CN115488380A - Boring hole repairing device and repairing method thereof - Google Patents
Boring hole repairing device and repairing method thereof Download PDFInfo
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- CN115488380A CN115488380A CN202211162836.2A CN202211162836A CN115488380A CN 115488380 A CN115488380 A CN 115488380A CN 202211162836 A CN202211162836 A CN 202211162836A CN 115488380 A CN115488380 A CN 115488380A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 230000008439 repair process Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 8
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/28—Associations of only boring or drilling machines directed to a particular metal-working result
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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Abstract
The invention discloses a boring hole repairing device and a repairing method thereof, and relates to the technical field of boring holes. The boring hole repairing device comprises an installation frame, a first connecting plate, a second connecting plate, a displacement mechanism, a driving motor, a boring rod, a boring cutter and two positioning mechanisms. The boring device comprises a mounting frame, a first connecting plate, a boring rod, a displacement mechanism, a driving motor, a boring rod, a bearing hole, a first connecting plate, a second connecting plate, a boring cutter and a boring cutter. The boring hole repairing device provided by the invention can be used for accurately and efficiently repairing the bearing hole, eliminating abrasion and deformation of the bearing hole, achieving a good repairing effect, effectively shortening the repairing period and reducing the repairing cost and the transportation cost.
Description
Technical Field
The invention relates to the technical field of boring, in particular to a boring repairing device and a repairing method thereof.
Background
At present, in-process at the long-time use of diesel engine, the condition such as big and unusual knocking noise of operation vibrations appears easily, and its concrete reason is: in the working process of the diesel engine, the main bearing hole of the diesel engine is constantly subjected to alternating cylinder explosive force and unbalanced inertia force of the crank mechanism, so that the main bearing hole is subjected to extrusion stress of a crankshaft, and slight abrasion and deformation occur. At present, two ways for solving the problems are generally available, one way is to install a main bearing bush in a main bearing hole and bore the main bearing bush to enable the main bearing bush to be matched with a crankshaft, but the deformation of the main bearing hole can affect the back joint surface of the main bearing bush to cause the reduction of the binding force, and the fundamental problems (the abrasion and the deformation of the main bearing hole) are not solved, so that certain hidden dangers exist; the other is sent back to the manufacturer for repair, but the repair cycle is long, the repair cost and the transportation cost are high, and the economic benefit is low.
In view of this, it is important to design and manufacture a bore hole repairing device capable of repairing a bearing hole and a repairing method thereof, particularly in diesel engine maintenance.
Disclosure of Invention
The invention aims to provide a boring hole repairing device which can accurately and efficiently repair a bearing hole, eliminate abrasion and deformation of the bearing hole, has a good repairing effect, can effectively shorten the maintenance period, and reduces the maintenance cost and the transportation cost.
Another object of the present invention is to provide a method for repairing a bore hole repairing device, which can repair a bearing hole accurately and efficiently, eliminate wear and deformation of the bearing hole, achieve a good repairing effect, effectively shorten a repairing period, and reduce a repairing cost and a transportation cost.
The invention is realized by adopting the following technical scheme.
A boring hole repairing device is used for carrying out boring hole repairing on a bearing hole of a diesel engine and comprises a mounting frame, a first connecting plate, a second connecting plate, a displacement mechanism, a driving motor, a boring rod, a boring cutter and two positioning mechanisms, wherein the first connecting plate and the second connecting plate are used for being connected with the diesel engine and are oppositely arranged at two ends of the diesel engine, the mounting frame is connected with the first connecting plate, the displacement mechanism is installed on the mounting frame and is connected with the driving motor, the driving motor is in transmission connection with the boring rod, the boring rod sequentially penetrates through the first connecting plate, the bearing hole and the second connecting plate are arranged, the two positioning mechanisms are installed on the first connecting plate and the second connecting plate in a one-to-one correspondence mode, the two positioning mechanisms are matched with the boring rod to ensure that the axis of the boring rod coincides with the axis of the bearing hole, the boring cutter is installed on the circumferential surface of the boring rod and is arranged in the bearing hole, and the boring cutter is used for repairing the bearing hole when the boring rod is driven by the driving motor to rotate.
Optionally, the displacement mechanism includes a first driving assembly, a lifting platform, a second driving assembly, a feeding platform, a third driving assembly and a fixing platform, the first driving assembly is mounted on the mounting frame and connected to the lifting platform, the first driving assembly is used for driving the lifting platform to lift in the vertical direction, the second driving assembly is mounted on the lifting platform and connected to the feeding platform, the second driving assembly is used for driving the feeding platform to move in the first direction, the third driving assembly is mounted on the feeding platform and connected to the fixing platform, the third driving assembly is used for driving the fixing platform to move in the second direction, the driving motor is mounted on the fixing platform, and the vertical direction, the first direction and the second direction are perpendicular to each other.
Optionally, the third driving assembly includes a stepping motor, a lead screw and a nut, the stepping motor is mounted on the feeding table and is in transmission connection with the lead screw, and the nut is sleeved outside the lead screw, is in threaded fit with the lead screw and is connected with the fixing table.
Optionally, the positioning mechanism includes a flange, a bearing, and an adjusting bolt, the flange is connected to the first connecting plate or the second connecting plate, the flange has an installation groove, the bearing is disposed in the installation groove, the bearing sleeve is disposed outside the boring bar and is matched with the boring bar, a threaded hole is disposed on a side wall of the installation groove, and the adjusting bolt is matched with the threaded hole to adjust a position of the bearing in the installation groove.
Optionally, the positioning mechanism further includes a limiting end cover, the limiting end cover is disposed outside the mounting groove and detachably connected to the flange, and the bearing is disposed between the limiting end cover and the bottom wall of the mounting groove.
Optionally, the number of the adjusting bolts and the number of the threaded holes are multiple, the threaded holes are distributed in an annular array, and each adjusting bolt is matched with one threaded hole.
Optionally, the boring hole repairing device further comprises a measuring part, the measuring part is mounted on the circumferential surface of the boring rod and arranged in the bearing hole, and the measuring part is used for measuring the roundness of the bearing hole when the driving motor drives the boring rod to rotate.
Optionally, the measuring part comprises a fixing rod and a dial indicator, one end of the fixing rod is connected to the circumferential surface of the boring rod, the other end of the fixing rod is connected with the dial indicator, and the dial indicator is used for abutting against the inner wall of the bearing hole.
Optionally, a plurality of tool mounting holes are formed in the circumferential surface of the boring bar, the plurality of tool mounting holes are arranged at intervals along the axial direction of the boring bar, the number of the bearing holes is multiple, the position of each tool mounting hole corresponds to the position of one bearing hole, and the boring tool is selectively installed in one tool mounting hole.
A method for repairing a boring hole repairing device is applied to the boring hole repairing device and comprises the following steps: installing a first connecting plate and a second connecting plate at two ends of the diesel engine respectively, and installing a boring rod so that the boring rod sequentially penetrates through the first connecting plate, the bearing hole and the second connecting plate; the position of the boring rod is adjusted by utilizing the two positioning mechanisms so as to ensure that the axis of the boring rod is superposed with the axis of the bearing hole; the position of the driving motor is adjusted by using the displacement mechanism, so that the axis of the output shaft of the driving motor is superposed with the axis of the boring rod, and the output shaft and the boring rod are connected through a coupler; and driving the boring cutter to rotate by using the driving motor through the boring rod so as to carry out boring hole repair on the bearing hole.
The boring hole repairing device and the repairing method thereof provided by the invention have the following beneficial effects:
the invention provides a boring hole repairing device, wherein a first connecting plate and a second connecting plate are both used for being connected with a diesel engine and are oppositely arranged at two ends of the diesel engine, a mounting frame is connected with the first connecting plate, displacement mechanisms are arranged on the mounting frame and are connected with a driving motor, the driving motor is in transmission connection with a boring rod, the boring rod sequentially penetrates through the first connecting plate, a bearing hole and the second connecting plate, two positioning mechanisms are arranged on the first connecting plate and the second connecting plate in a one-to-one correspondence manner, the two positioning mechanisms are both matched with the boring rod to ensure that the axis of the boring rod is coincident with the axis of the bearing hole, boring cutters are arranged on the circumferential surface of the boring rod and are arranged in the bearing hole, and the boring cutters are used for carrying out boring hole repairing on the bearing hole when the driving motor drives the boring rod to rotate. Compared with the prior art, the boring hole repairing device provided by the invention adopts the displacement mechanism connected with the boring rod through the driving motor and the positioning mechanism matched with the boring rod, so that the bearing hole can be accurately and efficiently repaired, the abrasion and deformation of the bearing hole are eliminated, the repairing effect is good, the repairing period can be effectively shortened, and the repairing cost and the transportation cost are reduced.
The method for repairing the boring hole repairing device is applied to the boring hole repairing device, can accurately and efficiently repair the bearing hole, eliminates abrasion and deformation of the bearing hole, has a good repairing effect, can effectively shorten the repairing period, and reduces the repairing cost and the transportation cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a boring hole repairing device applied to a diesel engine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a displacement mechanism in the boring hole repairing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the third driving assembly in FIG. 2;
fig. 4 is a schematic structural diagram of a view angle of a positioning mechanism in the boring hole repairing apparatus according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of another view of a positioning mechanism in the boring hole repairing apparatus according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a measuring part in the boring hole repairing apparatus provided in the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a boring bar in the boring hole repairing apparatus according to an embodiment of the present invention.
Icon: 100-bore hole repair devices; 110-a mounting frame; 120-a first connection plate; 130-a second connecting plate; 140-a displacement mechanism; 141-a first drive assembly; 142-a lifting platform; 143-a second drive assembly; 144-a feed station; 145-a third drive assembly; 146-a stationary table; 147-a stepper motor; 148-lead screw; 149-nut; 150-a drive motor; 151-output shaft; 152-a coupling; 160-boring bar; 161-tool loading hole; 170-boring cutter; 180-a measuring member; 181-fixing the rod; 182-dial indicator; 190-a positioning mechanism; 191-flange plate; 192-a bearing; 193-adjusting the bolt; 194-a limit end cap; 195-a mounting groove; 196-a threaded hole; 200-a diesel engine; 210-bearing bore.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a bore hole repairing apparatus 100, which is used for performing bore hole repairing on a bearing hole 210 of a diesel engine 200. It can repair bearing hole 210 accurately high-efficiently, eliminates its wearing and tearing and the deformation that appear, and repair effect is good to can effectively shorten maintenance cycle, reduce cost of maintenance and cost of transportation.
The bore hole repairing device 100 comprises a mounting frame 110, a first connecting plate 120, a second connecting plate 130, a displacement mechanism 140, a driving motor 150, a boring bar 160, a boring cutter 170, a measuring part 180 and two positioning mechanisms 190. The first connecting plate 120 and the second connecting plate 130 are used for being connected with the diesel engine 200, are arranged at two ends of the diesel engine 200 relatively, and are used for fixing the positions of the first connecting plate 120 and the second connecting plate 130 through the diesel engine 200. The mounting bracket 110 is connected to the first connecting plate 120, and the mounting bracket 110 is disposed on a side of the first connecting plate 120 away from the diesel engine 200. The displacement mechanism 140 is mounted on the mounting frame 110 and connected to the driving motor 150, and the displacement mechanism 140 is used for driving the driving motor 150 to move so as to adjust the position of the driving motor 150. The driving motor 150 is in transmission connection with the boring bar 160, specifically, an output shaft 151 of the driving motor 150 is connected with the boring bar 160 through a coupling 152, and the driving motor 150 is used for driving the boring bar 160 to rotate. The boring bar 160 sequentially penetrates through the first connecting plate 120, the bearing hole 210 and the second connecting plate 130, the two positioning mechanisms 190 are installed on the first connecting plate 120 and the second connecting plate 130 in a one-to-one correspondence mode, and the two positioning mechanisms 190 are matched with the boring bar 160 to guarantee that the axis of the boring bar 160 is overlapped with the axis of the bearing hole 210. The boring cutter 170 is installed on the circumferential surface of the boring bar 160 and is arranged in the bearing hole 210, and the boring cutter 170 is used for boring and repairing the bearing hole 210 when the driving motor 150 drives the boring bar 160 to rotate so as to eliminate abrasion and deformation of the bearing hole 210, so that the repairing effect is good, the repairing period can be effectively shortened, and the repairing cost and the transportation cost are reduced.
It should be noted that the measuring part 180 is installed on the circumferential surface of the boring bar 160 and is disposed in the bearing hole 210, and the measuring part 180 is configured to measure the roundness of the bearing hole 210 when the driving motor 150 drives the boring bar 160 to rotate, so as to facilitate the boring cutters 170 with different sizes to bore the bearing hole 210, and improve the accuracy of bore repairing. Specifically, before bore hole repair, the measuring member 180 is installed on the circumferential surface of the boring bar 160, and the driving motor 150 drives the measuring member 180 to rotate through the boring bar 160, so as to measure the roundness of the bearing hole 210; then, the measuring member 180 is detached, the boring cutter 170 of a corresponding size is selected according to the roundness of the bearing hole 210, the boring cutter 170 is mounted on the circumferential surface of the boring bar 160, and the boring cutter 170 is rotated by the boring bar 160 through the driving motor 150 to bore the bearing hole 210.
Referring to fig. 2, the displacement mechanism 140 includes a first driving assembly 141, a lifting table 142, a second driving assembly 143, a feeding table 144, a third driving assembly 145, and a fixing table 146. The first driving assembly 141 is installed on the mounting frame 110 and connected to the lifting platform 142, and the first driving assembly 141 is used for driving the lifting platform 142 to lift along the vertical direction. The second driving assembly 143 is mounted on the lifting table 142 and connected to the feeding table 144, and the second driving assembly 143 is configured to drive the feeding table 144 to move along the first direction. The third driving assembly 145 is installed on the feeding table 144 and connected to the fixing table 146, the third driving assembly 145 is configured to drive the fixing table 146 to move along the second direction, the driving motor 150 is installed on the fixing table 146, and the vertical direction, the first direction and the second direction are perpendicular to each other. The first drive assembly 141, the second drive assembly 143, and the third drive assembly 145 cooperate to effect movement of the drive motor 150 at any coordinate in three-dimensional space to facilitate adjustment of the position of the drive motor 150.
In this embodiment, the first driving assembly 141 and the second driving assembly 143 are both hydraulic cylinders, but the invention is not limited thereto, and in other embodiments, the first driving assembly 141 and the second driving assembly 143 may be both pneumatic cylinders or both electric push rods, and the types of the first driving assembly 141 and the second driving assembly 143 are not particularly limited.
Referring to fig. 3, the third driving assembly 145 includes a stepping motor 147, a lead screw 148, and a nut 149. The stepping motor 147 is mounted on the feeding stage 144 and is in transmission connection with the lead screw 148, and the nut 149 is sleeved outside the lead screw 148, in threaded fit with the lead screw 148 and is connected with the fixing stage 146. The stepping motor 147 can drive the lead screw 148 to rotate, so that the nut 149 displaces along the axial direction of the lead screw 148, thereby driving the fixing table 146 to move along the axial direction of the lead screw 148, and further driving the driving motor 150 to move along the axial direction of the lead screw 148.
Referring to fig. 4 and 5, the positioning mechanism 190 includes a flange 191, a bearing 192, an adjusting bolt 193, and a limit cover 194. The flange 191 is connected with the first connecting plate 120 or the second connecting plate 130, the flange 191 is provided with an installation groove 195, the bearing 192 is arranged in the installation groove 195, and a certain gap is formed between the bearing 192 and the side wall of the installation groove 195. The bearing 192 is sleeved outside the boring bar 160 and is matched with the boring bar 160, the boring bar 160 can rotate relative to the bearing 192, and the bearing 192 can limit the axial direction of the boring bar 160, so that the stability of the rotation of the boring bar 160 is ensured. Threaded holes 196 are formed in the side wall of the mounting groove 195, an adjusting bolt 193 is matched with the threaded holes 196, the adjusting bolt 193 abuts against the bearing 192, and the adjusting bolt 193 can be loosened or screwed relative to the threaded holes 196 so as to adjust the position of the bearing 192 in the mounting groove 195. The limiting end cover 194 covers the mounting groove 195 and is detachably connected with the flange plate 191, the bearing 192 is arranged between the limiting end cover 194 and the bottom wall of the mounting groove 195, and the limiting end cover 194 can stop the bearing 192 for limitation so as to prevent the bearing 192 from escaping from the mounting groove 195.
Specifically, adjusting bolt 193 and screw hole 196's quantity is a plurality ofly, and a plurality of screw hole 196 are annular array and distribute, and every adjusting bolt 193 cooperates with a screw hole 196, through adjusting the length that a plurality of adjusting bolt 193 stretch into the mounting groove 195 lateral wall, can realize the regulation of bearing 192 in mounting groove 195 internal position to guarantee the fixed effect of bearing 192 after the position control of bearing 192 is accomplished, prevent that the condition that bearing 192 rocks in mounting groove 195 from taking place. In this embodiment, the number of the adjusting bolts 193 and the number of the threaded holes 196 are four, but the number is not limited thereto, and in other embodiments, the number of the adjusting bolts 193 and the number of the threaded holes 196 may be six or eight, and the number of the adjusting bolts 193 and the number of the threaded holes 196 are not particularly limited.
It should be noted that one positioning mechanism 190 is disposed on the side of the first connecting plate 120 away from the diesel engine 200, and the other positioning mechanism 190 is disposed on the side of the second connecting plate 130 away from the diesel engine 200. One end of the boring bar 160 sequentially penetrates through the first connecting plate 120 and one flange 191 and is matched with one bearing 192, the other end of the boring bar 160 sequentially penetrates through the first connecting plate and the other flange 191 and is matched with the other bearing 192, and the positions of the two ends of the boring bar 160 are respectively adjusted through a plurality of adjusting bolts 193 arranged on the two flanges 191, so that the axis of the boring bar 160 is coincident with the axis of the bearing hole 210, and the boring hole repairing precision is improved.
Referring to fig. 6, the measuring member 180 includes a fixing rod 181 and a dial indicator 182. One end of the fixing rod 181 is connected to the circumferential surface of the boring bar 160, and the other end is connected to the dial indicator 182, so that the driving motor 150 can drive the fixing rod 181 to rotate through the boring bar 160, thereby driving the dial indicator 182 to rotate, and the dial indicator 182 is used for abutting against the inner wall of the bearing hole 210. In the process that the driving motor 150 drives the dial indicator 182 to rotate through the boring bar 160, the dial indicator 182 continuously abuts against the inner wall of the bearing hole 210 to measure the wear or deformation size of the inner wall of the bearing hole 210, so that the roundness of the bearing hole 210 is obtained, and the bearing hole 210 is conveniently bored and repaired by the boring cutter 170.
Referring to fig. 7, it should be noted that a plurality of tool mounting holes 161 are formed on the circumferential surface of the boring bar 160, the plurality of tool mounting holes 161 are spaced along the axial direction of the boring bar 160, the number of the bearing holes 210 is multiple, and the position of each tool mounting hole 161 corresponds to the position of one bearing hole 210. The boring cutter 170 is selectively installed in one cutter installing hole 161 to bore the corresponding bearing hole 210 of the cutter installing hole 161, after the boring repair of one bearing hole 210 is completed, the boring cutter 170 is taken out of the cutter installing hole 161 and installed in the other cutter installing hole 161 to bore the other bearing hole 210, and the process is repeated to complete the boring repair of the plurality of bearing holes 210.
Further, the fixing rod 181 is installed in the same size as the boring cutter 170, and the fixing rod 181 is also installed in the cutter installation hole 161, so that the measuring member 180 or the boring cutter 170 can be replaced during actual machining, and production machining can be facilitated.
In this embodiment, the diesel engine 200 is provided with seven bearing holes 210, the seven bearing holes 210 are coaxially arranged at intervals, and the boring bar 160 sequentially penetrates through the seven bearing holes 210, wherein the first bearing hole 210 and the seventh bearing hole 210 are not subjected to alternating load basically, and it can be considered that the first bearing hole 210 and the seventh bearing hole 210 are not worn or deformed basically, so that the axial position of the boring bar 160 needs to be corrected by using the first bearing hole 210 and the seventh bearing hole 210 as a reference, and the axis of the boring bar 160 is ensured to coincide with the axis of the seven bearing holes 210, thereby improving the bore repairing accuracy of the bore repairing device 100 on the second bearing hole 210, the third bearing hole 210, the fourth bearing hole 210, the fifth bearing hole 210, and the sixth bearing hole 210, and ensuring the repairing effect.
The embodiment of the invention also provides a method for repairing the boring hole repairing device, which comprises the following steps:
step S110: the first connection plate 120 and the second connection plate 130 are installed at both ends of the diesel engine 200, respectively, and the boring bar 160 is fitted such that the boring bar 160 passes through the first connection plate 120, the bearing hole 210, and the second connection plate 130 in sequence.
It should be noted that, in step S110, the boring bar 160 sequentially passes through one positioning mechanism 190, the first connecting plate 120, the seven bearing holes 210, the second connecting plate 130 and the other positioning mechanism 190, and respectively cooperates with the two bearings 192 of the two positioning mechanisms 190 to preliminarily determine the position of the boring bar 160 such that the boring bar 160 is located in the middle of the bearing hole 210.
Step S120: the position of the boring bar 160 is adjusted using two positioning mechanisms 190 to ensure that the axis of the boring bar 160 coincides with the axis of the bearing hole 210.
It should be noted that, in step S120, the positions of the two ends of the boring bar 160 are adjusted by screwing the plurality of adjusting bolts 193 in the two positioning mechanisms 190, so as to ensure that the axes of the boring bar 160 coincide with the axes of the seven bearing holes 210. Further, the axis of the boring bar 160 is corrected by using the first bearing hole 210 and the seventh bearing hole 210 as references, and first concentricity of the boring bar 160 and the first bearing hole 210 is measured by installing the measuring piece 180 in the tool installing hole 161 corresponding to the first bearing hole 210 and manually driving the boring bar 160 to rotate; then, a second concentricity between the boring bar 160 and the seventh bearing hole 210 is measured by installing the measuring part 180 in the cutter installing hole 161 corresponding to the seventh bearing hole 210 and manually driving the boring bar 160 to rotate; subsequently, the position of the boring bar 160 is adjusted according to the first concentricity and the second concentricity, so that the boring bar 160 and the bearing hole 210 are coaxially arranged, and the accuracy of subsequent bore hole repair is improved.
Step S130: the position of the driving motor 150 is adjusted by the displacement mechanism 140 so that the axis of the output shaft 151 of the driving motor 150 coincides with the axis of the boring bar 160, and the output shaft 151 and the boring bar 160 are coupled by the coupling 152.
It should be noted that, in step S130, after the position of the boring bar 160 is adjusted, the displacement mechanism 140 is used to drive the driving motor 150 to move, so that the output shaft 151 of the driving motor 150 is aligned with the boring bar 160, and the coupling 152 is used to connect the output shaft 151 with the boring bar 160, so as to ensure that the driving motor 150 can stably and reliably drive the boring bar 160 to rotate, so as to implement the boring function.
Step S140: the boring cutter 170 is driven by the driving motor 150 through the boring bar 160 to rotate, so that the bearing hole 210 is repaired by boring.
It should be noted that, in step S140, the rotation speed of the driving motor 150 is adjusted to a suitable range, and the driving motor 150 drives the boring tool 170 to rotate through the boring bar 160, so that the boring tool 170 cuts the inner wall of the bearing hole 210, thereby implementing the boring hole repairing function. Further, after the boring repair of one bearing hole 210 is completed, the mounting position of the boring cutter 170 on the boring bar 160 is changed to perform the boring repair of another bearing hole 210, and the above steps are repeated until the boring repair of a plurality of bearing holes 210 is completed.
In the bore hole repairing device 100 provided by the embodiment of the present invention, the first connecting plate 120 and the second connecting plate 130 are both used for being connected with the diesel engine 200 and are oppositely disposed at two ends of the diesel engine 200, the mounting frame 110 is connected with the first connecting plate 120, the displacement mechanism 140 is mounted on the mounting frame 110 and is connected with the driving motor 150, the driving motor 150 is in transmission connection with the boring bar 160, the boring bar 160 sequentially passes through the first connecting plate 120, the bearing hole 210 and the second connecting plate 130, the two positioning mechanisms 190 are mounted on the first connecting plate 120 and the second connecting plate 130 in a one-to-one correspondence manner, the two positioning mechanisms 190 are both matched with the boring bar 160 to ensure that the axis of the boring bar 160 coincides with the axis of the bearing hole 210, the boring cutter 170 is mounted on the circumferential surface of the boring bar 160 and is disposed in the bearing hole 210, and the boring cutter 170 is used for performing bore hole repairing on the bearing hole 210 when the driving rotation of the boring bar 160 by the driving motor 150. Compared with the prior art, the boring hole repairing device 100 provided by the invention adopts the displacement mechanism 140 connected with the boring bar 160 through the driving motor 150 and the positioning mechanism 190 matched with the boring bar 160, so that the bearing hole 210 can be repaired accurately and efficiently, the abrasion and deformation of the bearing hole are eliminated, the repairing effect is good, the repairing period can be effectively shortened, and the repairing cost and the transportation cost are reduced. The method for repairing the boring hole repairing device is simple in steps and high in repairing precision.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A boring hole repairing device for repairing a boring hole (210) of a diesel engine (200), which is characterized by comprising a mounting frame (110), a first connecting plate (120), a second connecting plate (130), a displacement mechanism (140), a driving motor (150), a boring rod (160), a boring cutter (170) and two positioning mechanisms (190), wherein the first connecting plate (120) and the second connecting plate (130) are used for being connected with the diesel engine (200) and are oppositely arranged at two ends of the diesel engine (200), the mounting frame (110) is connected with the first connecting plate (120), the displacement mechanism (140) is mounted on the mounting frame (110) and is connected with the driving motor (150), the driving motor (150) is in transmission connection with the boring rod (160), the boring rod (160) sequentially passes through the first connecting plate (120), the bearing hole (210) and the second connecting plate (130), the two positioning mechanisms (190) are mounted on the first connecting plate (120) and the second connecting plate (160) in a one-to one correspondence manner, and the axes of the two positioning mechanisms (190) are mounted on the first connecting plate (120) and the second connecting plate (160) to ensure that the boring cutter (160) is matched with the axis of the boring rod (170), and the boring cutter (170) is arranged in the bearing hole (210) and used for carrying out boring restoration on the bearing hole (210) when the driving motor (150) drives the boring rod (160) to rotate.
2. The bore hole repairing apparatus according to claim 1, wherein the displacement mechanism (140) comprises a first driving assembly (141), an elevating platform (142), a second driving assembly (143), a feeding platform (144), a third driving assembly (145) and a fixing platform (146), the first driving assembly (141) is mounted on the mounting frame (110) and connected with the elevating platform (142), the first driving assembly (141) is used for driving the elevating platform (142) to ascend and descend along a vertical direction, the second driving assembly (143) is mounted on the elevating platform (142) and connected with the feeding platform (144), the second driving assembly (143) is used for driving the feeding platform (144) to move along a first direction, the third driving assembly (145) is mounted on the feeding platform (144) and connected with the fixing platform (146), the third driving assembly (145) is used for driving the fixing platform (146) to move along a second direction, the driving motor (150) is mounted on the fixing platform (146), and the first direction and the second direction are perpendicular to the vertical direction.
3. The bore hole repairing device according to claim 2, wherein the third driving assembly (145) comprises a stepping motor (147), a lead screw (148) and a nut (149), the stepping motor (147) is mounted on the feeding table (144) and is in transmission connection with the lead screw (148), and the nut (149) is sleeved outside the lead screw (148), is in threaded fit with the lead screw (148) and is connected with the fixing table (146).
4. The bore hole repairing device according to claim 1, characterized in that the positioning mechanism (190) comprises a flange (191), a bearing (192) and an adjusting bolt (193), the flange (191) is connected with the first connecting plate (120) or the second connecting plate (130), the flange (191) is provided with a mounting groove (195), the bearing (192) is arranged in the mounting groove (195), the bearing (192) is sleeved outside the boring bar (160) and is matched with the boring bar (160), a threaded hole (196) is formed in the side wall of the mounting groove (195), and the adjusting bolt (193) is matched with the threaded hole (196) to adjust the position of the bearing (192) in the mounting groove (195).
5. The bore hole repairing device according to claim 4, characterized in that the positioning mechanism (190) further comprises a limiting end cover (194), the limiting end cover (194) is arranged outside the mounting groove (195) and detachably connected with the flange (191), and the bearing (192) is arranged between the limiting end cover (194) and the bottom wall of the mounting groove (195).
6. The bore hole repair device according to claim 4, characterized in that the number of the adjusting bolts (193) and the threaded holes (196) is multiple, the threaded holes (196) are distributed in an annular array, and each adjusting bolt (193) is matched with one threaded hole (196).
7. The boring hole repairing device according to claim 1, further comprising a measuring member (180), wherein the measuring member (180) is mounted on the circumferential surface of the boring bar (160) and is arranged in the bearing hole (210), and the measuring member (180) is used for measuring the roundness of the bearing hole (210) when the boring bar (160) is driven by the driving motor (150) to rotate.
8. The boring repair device according to claim 7, characterized in that the measuring part (180) comprises a fixing rod (181) and a dial indicator (182), one end of the fixing rod (181) is connected to the circumferential surface of the boring rod (160), the other end of the fixing rod is connected with the dial indicator (182), and the dial indicator (182) is used for abutting against the inner wall of the bearing hole (210).
9. The boring hole repairing device according to claim 1, wherein a plurality of tool mounting holes (161) are formed in the circumferential surface of the boring bar (160), the plurality of tool mounting holes (161) are arranged at intervals in the axial direction of the boring bar (160), the number of the bearing holes (210) is multiple, the position of each tool mounting hole (161) corresponds to the position of one bearing hole (210), and the boring tool (170) is selectively installed in one tool mounting hole (161).
10. A method for repairing a bore hole repairing apparatus, which is applied to the bore hole repairing apparatus according to any one of claims 1 to 9, comprising:
respectively installing the first connecting plate (120) and the second connecting plate (130) at two ends of the diesel engine (200), and installing the boring bar (160) so that the boring bar (160) sequentially passes through the first connecting plate (120), the bearing hole (210) and the second connecting plate (130);
adjusting the position of the boring bar (160) by using the two positioning mechanisms (190) to ensure that the axis of the boring bar (160) is coincident with the axis of the bearing hole (210);
adjusting the position of the driving motor (150) by using the displacement mechanism (140) so that the axis of an output shaft (151) of the driving motor (150) is coincident with the axis of the boring bar (160), and connecting the output shaft (151) and the boring bar (160) through a coupling (152);
the driving motor (150) is used for driving the boring cutter (170) to rotate through the boring rod (160), so that the boring hole (210) is repaired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211162836.2A CN115488380A (en) | 2022-09-23 | 2022-09-23 | Boring hole repairing device and repairing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211162836.2A CN115488380A (en) | 2022-09-23 | 2022-09-23 | Boring hole repairing device and repairing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115488380A true CN115488380A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211162836.2A Pending CN115488380A (en) | 2022-09-23 | 2022-09-23 | Boring hole repairing device and repairing method thereof |
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| CN (1) | CN115488380A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869997A (en) * | 2010-06-13 | 2010-10-27 | 镇江中船设备有限公司 | Boring device for cylinder hole of diesel engine stand |
| CN102615309A (en) * | 2012-04-27 | 2012-08-01 | 四川百世昌重型机械有限公司 | Porous boring machine for combined boring bar |
| CN203003200U (en) * | 2012-10-19 | 2013-06-19 | 蓬莱中柏京鲁船业有限公司 | Movable hole drilling machine |
| CN103659146A (en) * | 2012-09-22 | 2014-03-26 | 宝山钢铁股份有限公司 | Device for online repairing of large reduction gearbox bearing hole abrasion and method thereof |
| CN204194843U (en) * | 2014-11-06 | 2015-03-11 | 新余钢铁集团有限公司 | For the boring bar of adjustable boring tool |
| CN214080787U (en) * | 2020-12-30 | 2021-08-31 | 扬州华伦数控机械有限公司 | Precise numerical control grinding machine for machining |
| CN114211017A (en) * | 2021-11-19 | 2022-03-22 | 大连船舶重工集团有限公司 | Marine boring equipment capable of automatically correcting track |
-
2022
- 2022-09-23 CN CN202211162836.2A patent/CN115488380A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869997A (en) * | 2010-06-13 | 2010-10-27 | 镇江中船设备有限公司 | Boring device for cylinder hole of diesel engine stand |
| CN102615309A (en) * | 2012-04-27 | 2012-08-01 | 四川百世昌重型机械有限公司 | Porous boring machine for combined boring bar |
| CN103659146A (en) * | 2012-09-22 | 2014-03-26 | 宝山钢铁股份有限公司 | Device for online repairing of large reduction gearbox bearing hole abrasion and method thereof |
| CN203003200U (en) * | 2012-10-19 | 2013-06-19 | 蓬莱中柏京鲁船业有限公司 | Movable hole drilling machine |
| CN204194843U (en) * | 2014-11-06 | 2015-03-11 | 新余钢铁集团有限公司 | For the boring bar of adjustable boring tool |
| CN214080787U (en) * | 2020-12-30 | 2021-08-31 | 扬州华伦数控机械有限公司 | Precise numerical control grinding machine for machining |
| CN114211017A (en) * | 2021-11-19 | 2022-03-22 | 大连船舶重工集团有限公司 | Marine boring equipment capable of automatically correcting track |
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Inventor after: Deng Dao Inventor after: Lu Zhigang Inventor after: Peng Linfa Inventor after: Wu Sibin Inventor after: Liu Zipeng Inventor after: Xu Xingwen Inventor after: Hu Weijun Inventor after: Xiao Yiping Inventor before: Deng Shou Inventor before: Lu Zhigang Inventor before: Peng Linfa Inventor before: Wu Sibin Inventor before: Liu Zipeng Inventor before: Xu Xingwen Inventor before: Hu Weijun Inventor before: Xiao Yiping |