CN104117542B - A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll - Google Patents
A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll Download PDFInfo
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- CN104117542B CN104117542B CN201410325967.7A CN201410325967A CN104117542B CN 104117542 B CN104117542 B CN 104117542B CN 201410325967 A CN201410325967 A CN 201410325967A CN 104117542 B CN104117542 B CN 104117542B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003292 diminished effect Effects 0.000 claims abstract description 149
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention belongs to hot-rolled steel section equipment technology field, relate to a kind of roller bed device and assembly and disassembly methods of the dismounting body of roll online. Roller bed device comprises roll shaft portion and body of roll portion, and roll shaft portion is connected by securing member with body of roll portion. Roll shaft portion comprises roll shaft and conic clamp slot part, and body of roll portion comprises the body of roll, diminished shaft and connecting plate, and the body of roll is made up of two and half bodies of roll again, and half body of roll adopts 180 ° of semicircle loop configuration. On a roll shaft, be welded with 90 ° of four conic clamp slot parts that are arranged symmetrically with, half body of roll and diminished shaft weld together by connecting plate, two connecting plates of each half body of roll welding and diminished shaft, and two connecting plates and diminished shaft are in 90 °. Half body of roll, connecting plate, the diminished shaft that have welded are contained in the conic clamp slot part of roll shaft, fastening by securing member. The present invention can realize the body of roll fast online replacement of wearing and tearing, greatly reduces worker's labour intensity simultaneously, and reduces spare parts cost. And the feature that the present invention has is simple in structure, swift to operate, cost is low.
Description
Technical field
The present invention relates to hot-rolled steel section equipment technology field, particularly, the present invention be more particularly directed to a kind of metallurgical production line and can dismantle online roller bed device and the assembly and disassembly methods of the body of roll.
Background technology
In hot-rolled steel section field, roller bed device is important equipment, and some shaped steel rolling line roller-way gross weight of equipment accounts for 80% of whole piece rolling line gross weight of equipment. Shaped steel rolling line is due to the drafts difference of different size, and rolled piece extension speed differs, and before and after milling train, roller-way rotating speed does not mate with rolled piece extension speed, and this just causes the roller-way wearing and tearing of milling train front and back very serious. The roller-way that simultaneously grinds groove easily causes again rolled piece bending, runs the rolling accidents such as material, so the replacing of rolling line roller-way is more frequent. Rolling line roller-way adopts the body of roll and the welded structure of roll shaft in the market, this overall roller-way version, in the time changing the body of roll of wearing and tearing, roll shaft does not damage toward contact, at least also do not damage when needing to change, owing to being overall roller-way structure, so need to carry out integral replacing, unify to change by the body of roll and roll shaft integrative-structure; Strengthen the consumption of roll shaft spare part.
In addition, when the body of roll and roll shaft integrative-structure are changed, need to dismantle the parts such as roller-way supported on both sides bearing block, bearing, roller-way shaft coupling; So just greatly increase the repair time and improved the cost of overhaul.
Summary of the invention
The object of the present invention is to provide a kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll, at least to solve the problems such as roll shaft spare part transition consumption that prior art exists, and solve further the problems such as slow and cost of overall roller-way time of existing replacing is higher.
In order to address the above problem, the invention provides a kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll, its technical scheme is as follows:
The roller bed device that can dismantle online the body of roll, comprising: roll shaft portion, and this roll shaft portion has roll shaft and is arranged on the first connector on roll shaft; With body of roll portion, this body of roll is deployed in the periphery of roll shaft portion, and described body of roll portion has the body of roll and is arranged on the second connector on body of roll inner peripheral surface; The first connector of described roll shaft portion and the second connector of body of roll portion are fixedly connected with.
Preferably, can dismantle online in the roller bed device of the body of roll described, described the first connector is the conic clamp slot part being fixedly connected on roll shaft, and conic clamp slot part is more than two, more than two conic clamp slot part is along on the circumferential uniform outer circumference surface that is fixedly mounted on described roll shaft of roll shaft, central part at described conic clamp slot part is processed with bellmouth along the axis direction of roll shaft, make two sides of conic clamp slot part on roll shaft axis direction penetrating, the axis of described bellmouth is identical with roll shaft axis direction, taking the side that is connected with described roll shaft in the side of described conic clamp slot part as bottom surface, when in the side of described conic clamp slot part, the side relative with described bottom surface is end face, on end face, have the straight trough connecting with described bellmouth, the top of described straight trough is positioned at the outside diameter side of bellmouth.
Preferably, can dismantle online in the roller bed device of the body of roll described, described the second connector comprises: two with upper junction plate, on connecting plate, be provided with two joint faces, be respectively the first joint face and the second joint face, the first joint face is relative joint face with the second joint face, two with upper junction plate respectively by the uniform inner peripheral surface that is fixedly mounted on the described body of roll of the first joint face separately; With more than two diminished shaft, the structure of the bellmouth of the structure of diminished shaft and conic clamp slot part matches, and the second joint face of each connecting plate is installed with a diminished shaft; Described connecting plate, diminished shaft are identical with the number of conic clamp slot part; Described diminished shaft mates grafting with the bellmouth of conic clamp slot part, and described connecting plate mates grafting with the straight trough of conic clamp slot part, by being fixedly connected with and body of roll portion and roll shaft portion are fastened together between securing member and the small end of diminished shaft.
Preferably, can dismantle online in the roller bed device of the body of roll described, the section of conic clamp slot part and connecting plate is rectangle, the width of conic clamp slot part, straight trough and connecting plate is the contour direction of bellmouth, the length direction of conic clamp slot part, straight trough and connecting plate is the axis direction of bellmouth, and the straight trough width of conic clamp slot part is less than the bellmouth end diameter of conic clamp slot part.
Preferably, can dismantle online in the roller bed device of the body of roll described, securing member is clamp nut; Described diminished shaft comprises diminished shaft body and head set bolt, and head set bolt is positioned at the small end place of diminished shaft body, by diminished shaft and conic clamp slot part being fastened together with being spirally connected of clamp nut.
Preferably, can dismantle online in the roller bed device of the body of roll described, described diminished shaft, connecting plate and conic clamp slot part are four; Four diminished shafts are respectively the first diminished shaft, the second diminished shaft, third hand tap oblique crank Z and the 4th diminished shaft; Four connecting plates are respectively the first connecting plate, the second connecting plate, the 3rd connecting plate and the 4th connecting plate; Four conic clamp slot parts are respectively the first conic clamp slot part, the second conic clamp slot part, triconic draw-in groove portion and the 4th conic clamp slot part.
Preferably, can dismantle online in the roller bed device of the body of roll described, described body of roll portion comprises the first half body of roll portions and the second half body of roll portions; Described the first half body of roll portions are identical with the structure of the second half body of roll portions;
The first half body of roll portions comprise: the first semicircular ring body of roll; The first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are fixedly mounted on the inner peripheral surface of the first semicircular ring body of roll by the first joint face symmetry respectively; And first diminished shaft and the second diminished shaft, the first diminished shaft and the second diminished shaft are fixedly mounted on respectively on the second joint face of the first connecting plate and the second connecting plate;
The second half body of roll portions comprise: the second semicircular ring body of roll; The 3rd connecting plate and the 4th connecting plate, the 3rd connecting plate and the 4th connecting plate are fixedly mounted on the inner peripheral surface of the second semicircular ring body of roll by its first joint face symmetry respectively; And third hand tap oblique crank Z and the 4th diminished shaft, third hand tap oblique crank Z and the 4th diminished shaft are fixedly mounted on respectively on the second joint face of the 3rd connecting plate and the 4th connecting plate;
The first connecting plate and the first diminished shaft correspondence are plugged on the bellmouth place of straight trough and the first conic clamp slot part of the first conic clamp slot part; The second connecting plate and the second diminished shaft correspondence are plugged on the bellmouth place of straight trough and the second conic clamp slot part of the second conic clamp slot part; The 3rd connecting plate and third hand tap oblique crank Z correspondence are plugged on the straight trough of triconic draw-in groove portion and the bellmouth place of triconic draw-in groove portion; The 4th connecting plate and the 4th diminished shaft correspondence are plugged on the bellmouth place of straight trough and the 4th conic clamp slot part of the 4th conic clamp slot part.
Preferably, can dismantle online in the roller bed device of the body of roll described, the two ends of the semicircular ring of the first semicircular ring body of roll and the second semicircular ring body of roll are processed as parallel cut surface.
The installation method that can dismantle online the roller bed device of the body of roll, its step is as follows:
Step 1, forms roll shaft portion by uniform to the first conic clamp slot part, the second conic clamp slot part, triconic draw-in groove portion and the 4th conic clamp slot part outer circumference surface place that is fixedly mounted on roll shaft;
Step 2, the first connecting plate and the second connecting plate are fixedly mounted on the inner peripheral surface of the first semicircle body of roll by the first joint face separately respectively, the first diminished shaft and the second diminished shaft are fixedly mounted on respectively on the second joint face of the first connecting plate and the second connecting plate, form the first half body of roll portions; The 3rd connecting plate and the 4th connecting plate are fixedly mounted on the inner peripheral surface of the second semicircle body of roll by the first joint face separately respectively, third hand tap oblique crank Z and the 4th diminished shaft are fixedly mounted on respectively on the second joint face of the 3rd connecting plate and the 4th connecting plate, form the second half body of roll portions;
Step 3, by corresponding with the bellmouth of the first conic clamp slot part and the bellmouth of the second conic clamp slot part of roll shaft portion respectively to the first diminished shaft and second diminished shaft of the first half body of roll portions, simultaneously the first connecting plate and the second connecting plate insert after corresponding with the straight trough of the first conic clamp slot part and the straight trough of the second conic clamp slot part respectively, and two clamp nuts are by being spirally connected and the first diminished shaft and the second diminished shaft are fastened on respectively on the first conic clamp slot part and the second conic clamp slot part with the head set bolt of the first diminished shaft and the head set bolt of the second diminished shaft; By corresponding with the bellmouth of triconic draw-in groove portion and the bellmouth of the 4th conic clamp slot part of roll shaft portion to third hand tap oblique crank Z and the 4th diminished shaft of the second half body of roll portions, simultaneously the 3rd connecting plate and the 4th connecting plate insert after corresponding with the straight trough of triconic draw-in groove portion and the straight trough of the 4th conic clamp slot part respectively, and two clamp nuts are by being spirally connected and third hand tap oblique crank Z and the 4th diminished shaft are fastened on respectively on triconic draw-in groove portion and the 4th conic clamp slot part with the head set bolt of third hand tap oblique crank Z and the head set bolt of the 4th diminished shaft; Complete thus the installation of body of roll portion and roll shaft portion.
The method for dismounting that can dismantle online the roller bed device of the body of roll, its step is as follows:
Step 1, removes and installs two clamp nuts on the first diminished shaft and the second diminished shaft, clashes into the head set bolt of the first diminished shaft and the second diminished shaft with weight, and the first half body of roll portions are deviate from from roll shaft portion;
Step 2, removes and installs two clamp nuts on third hand tap oblique crank Z and the 4th diminished shaft, clashes into the head set bolt of third hand tap oblique crank Z and the 4th diminished shaft with weight, and the second half body of roll portions are deviate from from roll shaft portion; Realize thus separating of body of roll portion and roll shaft portion.
Analyze knownly, compared with prior art, first the present invention has improved the installation relation of roll shaft portion and body of roll portion, and the mode that adopts clamp nut to be connected by roll shaft portion and body of roll portion, has realized removably connecting of roll shaft portion and body of roll portion; Thus, in use there is damaged condition in body of roll portion, only need to change body of roll portion, a whole set of body of roll roll shaft portion need not be changed together, saved like this consumption of spare roll axial region.
Moreover, the body of roll of the present invention portion comprises the first half body of roll portions and the second half body of roll portions, two and half body of roll portions are combined to form a complete body of roll portion, body of roll portion is in use if there is situation about damaging, the first half body of roll portions and the second half body of roll portions can be dismantled respectively, so just, without by parts dismountings such as the supporting bearing base of roller bed device both sides, bearing, roller-way shaft couplings, greatly reduce the repair time, improved operating efficiency. If only occurred in the course of the work in situation that the first half body of roll portions or the second half body of roll portions damage, because the first half body of roll portions are identical with the structure of the second half body of roll portions, can mutually replace, at this moment can only change the first half body of roll portions that wherein damage or the second half body of roll portions.
The present invention compared with prior art, tool has the following advantages: because body of roll portion of the present invention and roll shaft portion are demountable, while damage, can directly the body of roll portion of damage be unloaded in body of roll portion, roll shaft portion still can normally be used, and has saved the consumption of spare roll axial region. The body of roll of the present invention portion is formed by two half separate body of roll portion textural associations, and the structure of two half separate body of roll portions is identical, while so only occurring damaging in half body of roll portion, can only half body of roll portion damaging be changed, in addition because body of roll portion can be installed separately and dismantle, in the process of installing or dismantle, without first the parts of roller bed device supplemental support being removed to the installation and removal that can realize body of roll portion; So the present invention has saved the consumption of roll shaft spare part, accelerate again to change the time of roller bed device simultaneously, reduce cost, and improved operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1 and Figure 2, the roller bed device preferred embodiment that can dismantle online the body of roll of the present invention comprises roll shaft portion, and this roll shaft portion has roll shaft 1 and is arranged on the first connector on roll shaft; With body of roll portion, this body of roll is deployed in the periphery of roll shaft portion, and described body of roll portion has the body of roll 2 and is arranged on the second connector on body of roll inner peripheral surface; The second connector of body of roll portion is fixedly connected with the first connector of roll shaft portion.
Particularly, body of roll portion of the present invention and roll shaft portion are fixing by securing member 6, employing be the mode of removably connecting, while damage in body of roll portion like this, can, only by the replacing of body of roll portion, without roll shaft portion is together changed, reduce the waste of spare roll axial region.
For the ease of the installation and removal between roll shaft portion and body of roll portion, the first connector is to be fixedly connected on more than 5, two the conic clamp slot part 5 of more than two conic clamp slot part on roll shaft 1 along on the circumferential uniform outer circumference surface that is fixed on described roll shaft of roll shaft 1. Fixed form adopts conventional means as modes such as welding, be spirally connected; Central part at conic clamp slot part 5 is processed with bellmouth along the axis direction of roll shaft, makes two sides of conic clamp slot part on roll shaft axis direction penetrating, and the axis of bellmouth is identical with the axis direction of roll shaft 1; When relative side is as end face with bottom surface in the side of bottom surface, conic clamp slot part 5 taking the side that connects with roll shaft 1 in the side of conic clamp slot part 5, have the straight trough connecting with bellmouth on end face, the top of straight trough is positioned at the outside diameter side of bellmouth. Described straight trough can be determined according to actual conditions along the length of bellmouth axis direction, such as approaching the whole axial length of bellmouth, be preferably 1/3～2/3 of its axial length, the top of straight trough must be positioned at the outside diameter side of bellmouth, so that insert connecting plate and diminished shaft.
The second connector comprises: two with upper junction plate 3, and the width of connecting plate 3 is identical with the straight trough width of conic clamp slot part 5. On connecting plate 3, be provided with two joint faces, be respectively the first joint face and the second joint face, the first joint face is relative joint face with the second joint face, two with upper junction plate 3 respectively the first joint face by separately uniform fixing (as modes such as welding) on the inner peripheral surface of the body of roll 2; With more than two diminished shaft 4, the structure of the bellmouth of the conic clamp slot part 5 of the structure of diminished shaft 4 and roll shaft portion matches, and the second joint face of each connecting plate 3 is installed with a diminished shaft 4; Connecting plate 3, diminished shaft 4 are identical with the number of conic clamp slot part 5; Diminished shaft 4 mates grafting with the bellmouth of conic clamp slot part 5, and connecting plate 3 mates grafting with the straight trough of conic clamp slot part 5, by being fixedly connected with and body of roll portion and roll shaft portion are fastened together between securing member 6 and the small end of diminished shaft 4. Preferably diminished shaft 4, connecting plate 3 and conic clamp slot part 5 are four. The length of connecting plate 3 and width are according to the diameter of the body of roll 2 and Design of length.
The fastening installation of bellmouth in order to ensure diminished shaft 4 with conic clamp slot part 5, the fastening installation of straight trough of connecting plate 3 and conic clamp slot part 5; The section of conic clamp slot part 5 and connecting plate 3 is rectangle, the contour direction that the width of conic clamp slot part 5, straight trough and connecting plate 3 is bellmouth, the axis direction that the length direction of conic clamp slot part 5, straight trough and connecting plate 3 is bellmouth, the straight trough width of conic clamp slot part 5 is less than the diameter of the bellmouth small end of conic clamp slot part 5.
Play the fastening effect of entirety in order to make securing member 6 pair roller axial regions and body of roll portion, securing member 6 is clamp nut, diminished shaft 4 comprises diminished shaft body and head set bolt, head set bolt is positioned at the small end place of diminished shaft body, by being spirally connected with clamp nut 6, diminished shaft 4 and conic clamp slot part 5 are fastened together, roll shaft portion and body of roll portion one will be tightened up like this, the length of head set bolt is according to design alternative. Gradient, diameter and the length of diminished shaft body is according to the bellmouth design of conic clamp slot part 5.
In order to improve the operating efficiency of installation and removal, body of roll portion comprises the first half body of roll portions and the second half body of roll portions, and described the first half body of roll portions are identical with the structure of the second half body of roll portions; The first half body of roll portions comprise the first semicircular ring body of roll 21; The first connecting plate 31 and the second connecting plate 32, the first connecting plates 31 and the second connecting plate 32 are fixed on the inner peripheral surface of the first semicircular ring body of roll 21 by the first joint face symmetry respectively; And first diminished shaft 41 and the second diminished shaft 42, the first diminished shafts 41 and the second diminished shaft 42 be fixedly mounted on respectively on the second joint face of the first connecting plate 31 and the second connecting plate 32; The second half body of roll portions comprise the second semicircular ring body of roll 22; The 3rd connecting plate 33 and the 4th connecting plate 34, the three connecting plates 33 and the 4th connecting plate 34 are fixed on the inner peripheral surface of the second semicircular ring body of roll 22 by the first joint face symmetry respectively; And third hand tap oblique crank Z 43 and the 4th diminished shaft 44, the third hand tap oblique crank Zs 43 and the 4th diminished shaft 44 are fixedly mounted on respectively on the second joint face of the 3rd connecting plate 33 and the 4th connecting plate 34; Described four conic clamp slot parts are respectively the first conic clamp slot part 51, the second conic clamp slot part 52, triconic draw-in groove portion 53 and the 4th conic clamp slot part 54. Be two half-unit by body of roll part, in the process of installation and removal, without the parts such as roller bed device supported on both sides bearing block, bearing, roller-way shaft coupling are removed in advance, saved the time and improved operating efficiency like this; And in the time only having one and half body of roll portions to damage, can only change for half body of roll portion of this damage, like this can be cost-saving, be also convenient to the maintenance to roller bed device simultaneously. The first semicircular ring body of roll 21 and the second semicircular ring body of roll 22 adopt 180 ° of semicircle loop configuration, and half barrel length is according to design alternative.
For the ease of the installation of the first body of roll portion and the second body of roll portion, the two ends of the semicircular ring of the first semicircular ring body of roll 21 and the second semicircular ring body of roll 22 are processed as parallel cut surface; In the process of installing, can avoid like this collision of the first semicircular ring body of roll 21 and the second semicircle body of roll 22. Now, in four connecting plates 3, there are two connecting plates 3 to be positioned at the parallel cut surface place of the first semicircular ring body of roll 21 and the second semicircular ring body of roll 22.
A kind of online method for rapidly mounting, its step is as follows:
Step 1, forms roll shaft portion by uniform to the first conic clamp slot part 51, the second conic clamp slot part 52, triconic draw-in groove portion 53 and the 4th conic clamp slot part 54 outer circumference surface place that is fixedly mounted on roll shaft 1;
Step 2, the first connecting plate 31 and the second connecting plate 32 are fixedly mounted on the inner peripheral surface of the first semicircle body of roll 21 by the first joint face separately respectively, the first diminished shaft 41 and the second diminished shaft 42 are fixedly mounted on respectively on the second joint face of the first connecting plate 31 and the second connecting plate 32, form the first half body of roll portions; The 3rd connecting plate 33 and the 4th connecting plate 34 are fixedly mounted on the inner peripheral surface of the second semicircle body of roll 22 by the first joint face separately respectively, third hand tap oblique crank Z 43 and the 4th diminished shaft 44 are fixedly mounted on respectively on the second joint face of the 3rd connecting plate 33 and the 4th connecting plate 34, form the second half body of roll portions;
Step 3, by corresponding with the bellmouth of the first conic clamp slot part 51 and the bellmouth of the second conic clamp slot part 52 of roll shaft portion respectively to the first diminished shaft 41 and second diminished shaft 42 of the first half body of roll portions, simultaneously the first connecting plate 31 and the second connecting plate 32 are respectively with the straight trough of the first conic clamp slot part 51 with the straight trough of the second conic clamp slot part 52 is corresponding inserts afterwards (the large end tapping by the first conic clamp slot part 51 and the second conic clamp slot part 52 bellmouths inserts), so latter two clamp nut 6 is by being spirally connected and the first diminished shaft 41 and the second diminished shaft 42 are fastened on respectively on the first conic clamp slot part 51 and the second conic clamp slot part 52 with the head set bolt of the first diminished shaft 41 and the head set bolt of the second diminished shaft 42, by corresponding with the bellmouth of triconic draw-in groove portion 53 and the bellmouth of the 4th conic clamp slot part 54 of roll shaft portion to third hand tap oblique crank Z 43 and the 4th diminished shaft 44 of the second half body of roll portions, simultaneously the 3rd connecting plate 33 and the 4th connecting plate 34 are respectively with the straight trough of triconic draw-in groove portion 53 with the straight trough of the 4th conic clamp slot part 54 is corresponding inserts afterwards (the large end tapping by triconic draw-in groove portion 53 and the 4th conic clamp slot part 54 bellmouths inserts), then two other clamp nut 6 is by being spirally connected and third hand tap oblique crank Z 43 and the 4th diminished shaft 44 are fastened on respectively on triconic draw-in groove portion 53 and the 4th conic clamp slot part 54 with the head set bolt of third hand tap oblique crank Z 43 and the head set bolt of the 4th diminished shaft 42, complete thus the installation of body of roll portion and roll shaft portion.
A kind of online quick-detachment method, its step is as follows:
Step 1, remove and install two clamp nuts 6 on the first diminished shaft 41 and the second diminished shaft 42, clash into gently the head standing screw (direction contrary with installation direction) of the first diminished shaft 41 and the second diminished shaft 42 with weight (as hammer etc.), the first half body of roll portions are deviate from from roll shaft portion;
Step 2, remove and install two clamp nuts 6 on third hand tap oblique crank Z 43 and the 4th diminished shaft 44, clash into gently the head standing screw of third hand tap oblique crank Z 43 and the 4th diminished shaft 44 with weight (as hammer etc.), the second half body of roll portions are deviate from from roll shaft portion; Realize thus separating of body of roll portion and roll shaft portion.
From upper description, roll shaft portion and the body of roll portion of this preferred embodiment adopt dismountable annexation, make the present invention can directly change the part of damaging in advance.
As shown in Figure 1 and Figure 2, on a roll shaft 1, be welded with 90 ° of four conic clamp slot parts 5 that are arranged symmetrically with, the semicircle body of roll and diminished shaft 4 weld together by connecting plate 3, and two connecting plates 3 of each semicircle body of roll welding and 4, two connecting plates 3 of diminished shaft and diminished shaft 4 are in 90 °. Half body of roll having welded, connecting plate 3, diminished shaft 4 are contained in the conic clamp slot part 5 of roll shaft 1, by head standing screw, clamp nut 6 fixations of diminished shaft 4. Assemble laggard action blance test. Concrete structure and assembly relation are as follows:
Roller bed device comprises roll shaft portion and body of roll portion;
Roll shaft portion comprises roll shaft 1 and four conic clamp slot parts 5, the section of conic clamp slot part 5 is rectangle, central part at conic clamp slot part 5 is processed with bellmouth, bellmouth is through conic clamp slot part 5 (length direction), conic clamp slot part 5 upper surfaces (one side relative with the surface of roll shaft welding) open straight trough and bellmouth connects, and straight trough width is less than bellmouth minimum diameter; If four conic clamp slot parts 5 are respectively the first conic clamp slot part 51, the second conic clamp slot part 52, triconic draw-in groove portion 53 and the 4th conic clamp slot part 54; On the first conic clamp slot part 51, the second conic clamp slot part 52, triconic draw-in groove portion 53 and the uniform outer circumference surface that is welded on roll shaft 1 of the 4th conic clamp slot part 54;
Body of roll portion comprises the first half body of roll portions and the second half body of roll portions, and the first half body of roll portions are identical with the structure of the second half body of roll portions;
The first half body of roll portions comprise the first semicircular ring body of roll 21; The first connecting plate 31 and the second connecting plate 32, the first connecting plates 31 and the second connecting plate 32 are symmetrically welded on the inner peripheral surface of the first semicircular ring body of roll 21 by the first joint face respectively; And first diminished shaft 41 and the second diminished shaft 42, the first diminished shafts 41 and the second diminished shaft 42 be welded on respectively on the second joint face of the first connecting plate 31 and the second connecting plate 32;
The second half body of roll portions comprise the second semicircular ring body of roll 22; The 3rd connecting plate 33 and the 4th connecting plate 34, the three connecting plates 33 and the 4th connecting plate 34 are symmetrically welded on the inner peripheral surface of the second semicircular ring body of roll 22 by the first joint face respectively; And third hand tap oblique crank Z 43 and the 4th diminished shaft 44, the third hand tap oblique crank Zs 43 and the 4th diminished shaft 44 are welded on respectively on the second joint face of the 3rd connecting plate 33 and the 4th connecting plate 34;
By corresponding with the bellmouth of the first conic clamp slot part 51 and the bellmouth of the second conic clamp slot part 52 of roll shaft portion respectively to the first diminished shaft 41 and second diminished shaft 42 of the first half body of roll portions, simultaneously the first connecting plate 31 and the second connecting plate 32 insert after corresponding with the straight trough of the first conic clamp slot part 51 and the straight trough of the second conic clamp slot part 52 respectively, so latter two clamp nut 6 is by being spirally connected and the first diminished shaft 41 and the second diminished shaft 42 are fastened on respectively on the first conic clamp slot part 51 and the second conic clamp slot part 52 with the head set bolt of the first diminished shaft 41 and the head set bolt of the second diminished shaft 42,
By corresponding with the bellmouth of triconic draw-in groove portion 53 and the bellmouth of the 4th conic clamp slot part 54 of roll shaft portion respectively to third hand tap oblique crank Z 43 and the 4th diminished shaft 44 of the second half body of roll portions, simultaneously the 3rd connecting plate 33 and the 4th connecting plate 34 insert after corresponding with the straight trough of triconic draw-in groove portion 53 and the straight trough of the 4th conic clamp slot part 54 respectively, then two other clamp nut 6 is by being spirally connected and third hand tap oblique crank Z 43 and the 4th diminished shaft 44 are fastened on respectively on triconic draw-in groove portion 53 and the 4th conic clamp slot part 54 with the head set bolt of third hand tap oblique crank Z 43 and the head set bolt of the 4th diminished shaft 42, complete the installation of body of roll portion and roll shaft portion.
Need to enumerate two embodiment according to real work below:
Embodiment 1:
A roller bed device for the dismounting body of roll online, as shown in Figure 1 and Figure 2,1200 millimeters of roll shaft 1 appearance and sizes ×Millimeter, the external diameter of the first semicircle body of roll 21 and the second semicircle body of roll 22Millimeter × 600 millimeters, 20 millimeters × 60 millimeters × 350 millimeters of connecting plate 3 appearance and sizes, diminished shaft 4Millimeter (tapering 1:20) × 400 millimeters, 80 millimeters × 60 millimeters of conic clamp slot part 5 appearance and sizes ×Millimeter (tapering 1:20) × 320 millimeters.
Embodiment 2:
A roller bed device for the dismounting body of roll online, as shown in Figure 1 and Figure 2,1000 millimeters of roll shaft 1 appearance and sizes ×Millimeter, the external diameter of the first semicircle body of roll 21 and the second semicircle body of roll 22Millimeter × 650 millimeters, 20 millimeters × 60 millimeters × 350 millimeters of connecting plate 3 appearance and sizes, diminished shaft 4Millimeter (tapering 1:20) × 400 millimeters, 80 millimeters × 70 millimeters of conic clamp slot part 5 appearance and sizes ×Millimeter (tapering 1:20) × 320 millimeters.
Use roller bed device provided by the invention to realize to have worn and torn the roller-way fast online replacement of the body of roll, greatly reduce hand labor intensity simultaneously, and reduce spare parts cost. And the feature that the present invention has is simple in structure, swift to operate, cost is low.
To sum up, the present invention can be achieved as follows beneficial effect:
One, reduced the cost of spare part. Roller bed device provided by the invention is dismountable device, therefore, in the time preparing spare part, only need to prepare body of roll portion, has reduced like this spare parts cost of existing non-disconnectable roller bed device.
Two, realize quick-replaceable, save time and increase work efficiency. In the time changing, without the subsidiary parts of roller bed device are removed, only need to, by the dismounting of half body of roll portion, without by the dismounting of roll shaft portion, save the working time simultaneously.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature. Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only. Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.
Claims (9)
1. the roller bed device that can dismantle online the body of roll, is characterized in that, comprising:
Roll shaft portion, this roll shaft portion has roll shaft and is arranged on the first connector on roll shaft; With
Body of roll portion, this body of roll is deployed in the periphery of roll shaft portion, and described body of roll portion has the body of roll and is arranged on rollerThe second connector on body inner peripheral surface;
The first connector of described roll shaft portion and the second connector of body of roll portion are fixedly connected with;
Described the first connector is the conic clamp slot part being fixedly connected on roll shaft, and conic clamp slot part is twoAbove; More than two conic clamp slot part is along the circumferential uniform excircle that is fixedly mounted on described roll shaft of roll shaftOn face, be processed with bellmouth at the central part of described conic clamp slot part along the axis direction of roll shaft, makeTwo sides of conic clamp slot part on roll shaft axis direction are penetrating, the axis of described bellmouth and roll shaft axleLine direction is identical, with the side that is connected with described roll shaft in the side of described conic clamp slot part for bottom surface, instituteWhen stating side relative with described bottom surface in the side of conic clamp slot part and being end face, on end face, have and instituteState the straight trough that bellmouth connects, the top of described straight trough is positioned at the outside diameter side of bellmouth.
2. the roller bed device that can dismantle online the body of roll according to claim 1, is characterized in that:
Described the second connector comprises:
Two are provided with two joint faces with upper junction plate on connecting plate, are respectively the first joint face andTwo joint faces, the first joint face is relative joint face with the second joint face, two are with upper junction plate respectivelyOn the uniform inner peripheral surface that is fixedly mounted on the described body of roll of the first joint face separately; With
More than two diminished shaft, the structure of the bellmouth of the structure of diminished shaft and conic clamp slot part matches,The second joint face of each connecting plate is installed with a diminished shaft;
Described connecting plate, diminished shaft are identical with the number of conic clamp slot part; Described diminished shaft and taper draw-in grooveThe bellmouth coupling of portion is pegged graft, and described connecting plate mates grafting with the straight trough of conic clamp slot part, by fasteningBeing fixedly connected with and body of roll portion and roll shaft portion be fastened together between part and the small end of diminished shaft.
3. the roller bed device that can dismantle online the body of roll according to claim 2, is characterized in that:
The section of conic clamp slot part and connecting plate is rectangle,
The width of conic clamp slot part, straight trough and connecting plate is the contour direction of bellmouth,
The length direction of conic clamp slot part, straight trough and connecting plate is the axis direction of bellmouth,
The straight trough width of conic clamp slot part is less than the bellmouth end diameter of conic clamp slot part.
4. the roller bed device that can dismantle online the body of roll according to claim 2, is characterized in that,
Securing member is clamp nut;
Described diminished shaft comprises diminished shaft body and head set bolt, and head set bolt is positioned at diminished shaftThe small end place of body, by being fastenedly connected diminished shaft and conic clamp slot part with being spirally connected of clamp nutTogether.
5. the roller bed device that can dismantle online the body of roll according to claim 2, is characterized in that:
Described diminished shaft, connecting plate and conic clamp slot part are four;
Four diminished shafts are respectively the first diminished shaft, the second diminished shaft, third hand tap oblique crank Z and the 4th diminished shaft;
Four connecting plates are respectively the first connecting plate, the second connecting plate, the 3rd connecting plate and the 4th connecting plate;
Four conic clamp slot parts are respectively the first conic clamp slot part, the second conic clamp slot part, triconic cardSlot part and the 4th conic clamp slot part.
6. the roller bed device that can dismantle online the body of roll according to claim 5, is characterized in that:
Described body of roll portion comprises the first half body of roll portions and the second half body of roll portions;
Described the first half body of roll portions are identical with the structure of the second half body of roll portions;
The first half body of roll portions comprise:
The first semicircular ring body of roll;
The first connecting plate and the second connecting plate, the first connecting plate is connected by first respectively with the second connecting plateFace symmetry is fixedly mounted on the inner peripheral surface of the first semicircular ring body of roll; With
The first diminished shaft and the second diminished shaft, the first diminished shaft and the second diminished shaft are fixedly mounted on respectivelyOn the second joint face of a plate and the second connecting plate;
The second half body of roll portions comprise:
The second semicircular ring body of roll;
The 3rd connecting plate and the 4th connecting plate, the 3rd connecting plate and the 4th connecting plate are respectively by its first companyJunction symmetry is fixedly mounted on the inner peripheral surface of the second semicircular ring body of roll; With
Third hand tap oblique crank Z and the 4th diminished shaft, third hand tap oblique crank Z and the 4th diminished shaft are fixedly mounted on respectivelyOn the second joint face of three connecting plates and the 4th connecting plate;
The first connecting plate and the first diminished shaft correspondence are plugged on straight trough and first taper of the first conic clamp slot partThe bellmouth place of draw-in groove portion;
The second connecting plate and the second diminished shaft correspondence are plugged on straight trough and second taper of the second conic clamp slot partThe bellmouth place of draw-in groove portion;
The 3rd connecting plate and third hand tap oblique crank Z correspondence are plugged on straight trough and the triconic of triconic draw-in groove portionThe bellmouth place of draw-in groove portion;
The 4th connecting plate and the 4th diminished shaft correspondence are plugged on straight trough and the 4th taper of the 4th conic clamp slot partThe bellmouth place of draw-in groove portion.
7. the roller bed device that can dismantle online the body of roll according to claim 6, is characterized in that:
The two ends of the semicircular ring of the first semicircular ring body of roll and the second semicircular ring body of roll are processed as parallel cut surface.
8. according to the roller bed device that can dismantle online the body of roll described in any one in claim 6 to 7Installation method, its step is as follows:
Step 1, by the first conic clamp slot part, the second conic clamp slot part, triconic draw-in groove portion and the 4thThe uniform outer circumference surface place that is fixedly mounted on roll shaft of conic clamp slot part forms roll shaft portion;
Step 2, the first connecting plate and the second connecting plate are respectively by the first joint face fixed installation separatelyOn the inner peripheral surface of the first semicircle body of roll, the first diminished shaft and the second diminished shaft are fixedly mounted on respectivelyOn the second joint face of the first connecting plate and the second connecting plate, form the first half body of roll portions; The 3rd connecting plateBe fixedly mounted on respectively the inner circle of the second semicircle body of roll by the first joint face separately with the 4th connecting plateOn side face, third hand tap oblique crank Z and the 4th diminished shaft are fixedly mounted on respectively the 3rd connecting plate and the 4th connecting plateThe second joint face on, form the second half body of roll portions;
Step 3, by the first diminished shaft of the first half body of roll portions and the second diminished shaft respectively with of roll shaft portionThe bellmouth correspondence of the bellmouth of one conic clamp slot part and the second conic clamp slot part, simultaneously the first connecting plate andThe second connecting plate is corresponding with the straight trough of the first conic clamp slot part and the straight trough of the second conic clamp slot part respectively to be inserted afterwardsEnter, two clamp nuts are by solid with the head set bolt of the first diminished shaft and the head of the second diminished shaftDetermine bolt to be spirally connected and the first diminished shaft and the second diminished shaft are fastened on respectively to the first conic clamp slot part and secondOn conic clamp slot part; By the 3rd of the third hand tap oblique crank Z of the second half body of roll portions and the 4th diminished shaft and roll shaft portionThe bellmouth correspondence of the bellmouth of conic clamp slot part and the 4th conic clamp slot part, simultaneously the 3rd connecting plate and theFour connecting plates are corresponding with the straight trough of triconic draw-in groove portion and the straight trough of the 4th conic clamp slot part respectively to be inserted afterwardsEnter, two clamp nuts are by solid with the head set bolt of third hand tap oblique crank Z and the head of the 4th diminished shaftDetermine bolt to be spirally connected and third hand tap oblique crank Z and the 4th diminished shaft are fastened on respectively to triconic draw-in groove portion and the 4thOn conic clamp slot part; Complete thus the installation of body of roll portion and roll shaft portion.
9. according to the roller bed device that can dismantle online the body of roll described in any one in claim 6 to 7Method for dismounting, its step is as follows:
Step 1, removes and installs two clamp nuts on the first diminished shaft and the second diminished shaft, with heavyThing clashes into the head set bolt of the first diminished shaft and the second diminished shaft, by the first half body of roll portions from roll shaft portionIn deviate from;
Step 2, removes and installs two clamp nuts on third hand tap oblique crank Z and the 4th diminished shaft, with heavyThing clashes into the head set bolt of third hand tap oblique crank Z and the 4th diminished shaft, by the second half body of roll portions from roll shaft portionIn deviate from; Realize thus separating of body of roll portion and roll shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410325967.7A CN104117542B (en) | 2014-07-09 | 2014-07-09 | A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410325967.7A CN104117542B (en) | 2014-07-09 | 2014-07-09 | A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104117542A CN104117542A (en) | 2014-10-29 |
| CN104117542B true CN104117542B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410325967.7A Expired - Fee Related CN104117542B (en) | 2014-07-09 | 2014-07-09 | A kind of roller bed device and the assembly and disassembly methods that can dismantle online the body of roll |
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| CN (1) | CN104117542B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353677A (en) * | 2014-10-23 | 2015-02-18 | 山东钢铁股份有限公司 | Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method |
| CN110883109B (en) * | 2019-11-30 | 2021-06-04 | 宝钢特钢韶关有限公司 | Roller and disassembling and assembling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1400681A1 (en) * | 1986-08-12 | 1988-06-07 | Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов | Composite rolling mill roll |
| CN2030916U (en) * | 1988-04-20 | 1989-01-18 | 任国治 | Composition roller |
| CN201212508Y (en) * | 2008-07-12 | 2009-03-25 | 河北理工大学 | Double-roll forming machine without key connection structure |
| CN202343570U (en) * | 2011-12-02 | 2012-07-25 | 攀枝花钢城集团有限公司 | Roller guiding mechanism for lifting of rolling mill |
| CN202683603U (en) * | 2012-07-30 | 2013-01-23 | 重庆镪镔实业有限公司 | Combined roller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190116A (en) * | 1981-05-20 | 1982-11-22 | Mitsubishi Heavy Ind Ltd | Built-up roll manufacturing method |
-
2014
- 2014-07-09 CN CN201410325967.7A patent/CN104117542B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1400681A1 (en) * | 1986-08-12 | 1988-06-07 | Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов | Composite rolling mill roll |
| CN2030916U (en) * | 1988-04-20 | 1989-01-18 | 任国治 | Composition roller |
| CN201212508Y (en) * | 2008-07-12 | 2009-03-25 | 河北理工大学 | Double-roll forming machine without key connection structure |
| CN202343570U (en) * | 2011-12-02 | 2012-07-25 | 攀枝花钢城集团有限公司 | Roller guiding mechanism for lifting of rolling mill |
| CN202683603U (en) * | 2012-07-30 | 2013-01-23 | 重庆镪镔实业有限公司 | Combined roller |
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| CN104117542A (en) | 2014-10-29 |
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