CN114856560A - Triangular coal cleaning device for underground coal mine coal face - Google Patents
Triangular coal cleaning device for underground coal mine coal face Download PDFInfo
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- CN114856560A CN114856560A CN202210571645.5A CN202210571645A CN114856560A CN 114856560 A CN114856560 A CN 114856560A CN 202210571645 A CN202210571645 A CN 202210571645A CN 114856560 A CN114856560 A CN 114856560A
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- 239000003245 coal Substances 0.000 title claims abstract description 249
- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 8
- 238000005065 mining Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
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Abstract
The invention relates to the technical field of triangular coal mining of coal mines, in particular to a triangular coal cleaning device for a coal face of an underground coal mine; the triangular coal cleaning device for the underground coal mine coal face is installed at the end part of the underground coal mine coal face and takes a monorail hanging beam on a roadway roof as a runway; the triangular coal cleaning device for the underground coal mine coal face comprises a displacement supporting assembly, a lifting and positioning mechanism is installed below the displacement supporting assembly, the top of the lifting and positioning mechanism is fixed on the displacement supporting assembly above the lifting and positioning mechanism, and a coal pushing structure is installed at the lower end of the lifting and positioning mechanism. The device is installed at the end part of the coal face of an underground coal mine, and the monorail hanging beam on the top plate of the roadway is used as the runway, so that the rapid coal pushing transfer of the coal blocks in the triangular coal area can be effectively realized by a simple structure, the operation efficiency is relatively high during the whole work, and the operation is flexible and convenient.
Description
Technical Field
The invention relates to the technical field of triangular coal mining of coal mines, in particular to a triangular coal cleaning machine which can be installed at the end part of a coal face of an underground coal mine in a matching manner, and particularly relates to a triangular coal cleaning device for the coal face of the underground coal mine.
Background
The triangular coal of the coal mine generally has two types, one is; due to the fact that faults and roadways are crossed obliquely, a certain triangular area is formed, and the triangular area is located on a plane; secondly, because the working face roadway is not constructed along the bottom plate, the part close to the roadway cannot be mined in the mining process, namely on the section.
Because the particularity of the position of the triangular coal in the coal mine makes the triangular coal at the current end generally be manually cleaned when mining, the efficiency of cleaning the coal blocks is generally low, and the problems of high cleaning difficulty, potential safety hazard in the cleaning process and the like in manual cleaning exist.
At present, a bucket type triangle coal cleaning device disclosed in patent document with patent application number CN201911387930.6 is generally adopted in the prior art, and the main structure thereof includes a connecting plate, a rotary bearing is fixedly connected on the connecting plate, a base is fixedly connected on the rotary bearing, one end of the base is hinged with a telescopic sleeve, a telescopic arm is sleeved in the telescopic sleeve, the other end of the base is hinged with a lifting cylinder, the other end of the lifting cylinder is hinged with a telescopic sleeve, the tail end of the telescopic arm is fixedly connected with a fixed plate which is symmetrically arranged up and down, one end of the fixed plate is hinged with a swing cylinder, the other end of the fixed plate is hinged with one side of a main arm, the other end of the swing cylinder is hinged with the end of the main arm close to the fixed plate, one side of the main arm close to the fixed plate is hinged with a cylinder, and the other end of the main arm cylinder is hinged with one end of the top of a bucket rod, the end portion, far away from the fixing plate, of the main arm is hinged to one end of the bottom of the bucket rod, the other end of the bucket rod is hinged to the bucket, the top of the bucket rod is hinged to the excavating oil cylinder, the other end of the excavating oil cylinder is hinged to the arc-shaped plate and hinged to the connecting rod, the other end of the connecting rod is hinged to the bucket, and the other end of the arc-shaped plate is hinged to one side, close to the bucket, of the bucket rod.
According to the structure and the working principle of the patent, the mode adopted when triangular coal is processed is excavation coal mining and coal collection by using the excavator bucket, but the oscillation performance and the working amplitude of the operation action are relatively large, when a coal mine roadway is narrow or the propelling space is limited, the structure in the patent cannot effectively achieve the purpose of quickly cleaning the triangular coal, and the structure is large in overall volume and low in flexibility of circumferential movement.
Therefore, the triangular coal cleaning machine which can be matched with and installed at the end part of the underground coal mine coal face is designed, so that the triangular coal at the end part can be better and quickly cleaned, the problems of high difficulty and low efficiency in manual cleaning of the triangular coal at the end part are effectively solved, the conventional manual operation is broken away, the mechanical operation is changed, the efficiency is ensured, the operation safety is improved, and the problems in the prior art are better solved.
Disclosure of Invention
The invention aims to solve one of the technical problems, the patent mainly aims to solve the problems of high difficulty and low efficiency of manual cleaning of the triangular coal at the end head, and the method gets rid of the previous manual operation and changes the manual operation into mechanical operation, thereby improving the safety of the operation while ensuring the efficiency; the adopted technical scheme is as follows: a triangular coal cleaning device for a coal face of an underground coal mine is arranged at the end part of the coal face of the underground coal mine and uses a monorail hanging beam on a roadway top plate as a runway;
the triangular coal cleaning device for the underground coal mine coal face comprises a displacement supporting assembly, a lifting position adjusting mechanism is installed below the displacement supporting assembly, the top of the lifting position adjusting mechanism is fixed above the displacement supporting assembly, a coal pushing structure is installed at the lower end of the lifting position adjusting mechanism, and the coal pushing structure is used for pushing coal blocks in a triangular coal area corresponding to the position to the working end of a scraper conveyor.
In any of the above schemes, preferably, the shifting support assembly includes two i-shaped steel beams arranged in parallel at intervals, a single-rail hanging wheel structure is fixedly installed at the tops of the middle sections of the two i-shaped steel beams respectively, the hanging wheel portions of the single-rail hanging wheel structure are installed at the corresponding positions of the single-rail hanging beam in a matching manner, the bottom of the wheel frame of the single-rail hanging wheel structure is fixed at the top of the i-shaped steel beam below the wheel frame, and a brake for realizing braking and locking of the current single-rail hanging wheel structure is installed on the i-shaped steel beam on one side of the single-rail hanging wheel structure on the rear side; and a stepping pushing assembly is arranged between the two I-shaped steel beams and is used as power for the two monorail hanging wheel structures to move along the monorail hanging beam.
In any of the above solutions, it is preferable that the triangular coal cleaning device on the underground coal mine coal face is displaced along the extension direction of the monorail hanging beam in a stepping forward mode.
In any of the above schemes, preferably, the stepping pushing assembly comprises a horizontally arranged traction hydraulic cylinder, and two ends of the traction hydraulic cylinder are respectively and movably hinged on the side wall of the middle section of the i-shaped steel beam at the corresponding position; and a supporting hydraulic cylinder is installed on the I-shaped steel beam at the rear end, and two ends of the supporting hydraulic cylinder are respectively hinged to the I-shaped steel beam at the rear end and the rear end part of the lifting and positioning mechanism.
In any of the above aspects, preferably, the front end of the support cylinder is arranged to be inclined downward.
In any of the above schemes, preferably, the lifting and positioning mechanism includes a structural main plate disposed below the i-beam at the front end, a piston rod of the supporting hydraulic cylinder is hinged to the rear end portion of the structural main plate, a vertically disposed fixed hydraulic cylinder is installed on the i-beam at the front end at intervals along the length direction of the i-beam, the two fixed hydraulic cylinders perform synchronous lifting motion in the same direction, a sliding insertion plate is disposed at the lower end of the structural main plate, and the sliding insertion plate is slidably inserted into guide groove tracks at two sides of the structural main plate; slip picture peg top install a flexible control assembly on the preceding lateral wall of structure mainboard, flexible control assembly is used for control the slip picture peg slides from top to bottom the front end of slip picture peg is installed push away the coal structure.
Preferably in any one of the above schemes, the telescopic control assembly comprises two vertical and spaced insertion plate hydraulic cylinders, the upper ends of the cylinder bodies of the insertion plate hydraulic cylinders are movably hinged on the structural main board at the corresponding positions, and the lower ends of the piston rods of the insertion plate hydraulic cylinders are movably hinged on the sliding insertion plate at the corresponding positions.
It is preferred in any preceding scheme, it articulates through the hinge activity to push away the coal pushing plate of one side of picture peg to push away the coal pushing plate, the coal pushing plate realizes pushing away the regional coal cinder of triangle coal to the work end of the scraper conveyor who corresponds through the swing push away the coal pushing plate with it pushes away the material structure to install a swing between the picture peg to slide, the swing pushes away the material structure and is used for control push away the coal pushing plate around the rotatory wobbling angle in close page position.
In any of the above schemes, preferably, the swinging pushing structure includes coal pushing hydraulic cylinders arranged at intervals from top to bottom, the two coal pushing hydraulic cylinders are both in a horizontal state, the rear ends of the two coal pushing hydraulic cylinders are both movably hinged on the front end face of the sliding flashboard, and the piston rod parts of the front ends of the two coal pushing hydraulic cylinders are both movably hinged on the coal pushing board; the two coal pushing hydraulic cylinders and the flashboard hydraulic cylinder are positioned on different planes and do not have movement interference.
In any of the above schemes, preferably, the two i-shaped steel beams and the monorail hanging beam are both arranged perpendicular to each other.
Compared with the prior art, the invention has the following beneficial effects:
1. the device is installed at the end part of the coal face of an underground coal mine, and the monorail hanging beam on the top plate of the roadway is used as the runway, so that the rapid coal pushing transfer of the coal blocks in the triangular coal area can be effectively realized by a simple structure, the operation efficiency is relatively high during the whole work, and the operation is flexible and convenient.
2. The device adopts the self-configured stepping pushing assembly to realize that the triangular coal area is close to along the monorail hanging beam by means of the self structure, so that the adjustment of stations in the coal pushing process can be realized, the coal pushing accuracy and the coal pushing quantity control are effectively guaranteed, the stepping type movement is realized in a mode of firstly pushing, then positioning and then pulling to return when the whole machine moves, and the shifting flexibility is high.
3. The control of the coal pushing quantity and the coal pushing angle can be realized by controlling the swing angle of the swing pushing structure on the device, and the control of the coal pushing efficiency and the coal pushing effect can be effectively realized according to the requirement.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
FIG. 1 is a schematic view of the present invention.
In the figure, 1, a brake; 2. a traction hydraulic cylinder; 3. a support hydraulic cylinder; 4. a monorail trolley wheel; 5. an I-beam; 6. fixing a hydraulic cylinder; 7. a monorail crane beam; 8. a structural motherboard; 9. a plate inserting hydraulic cylinder; 10. a sliding plug board; 11. a coal pushing plate; 12. a coal pushing hydraulic cylinder; 13. a guide slot track.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the invention is shown in figure 1.
Example 1:
a triangular coal cleaning device for a coal face of an underground coal mine is arranged at the end part of the coal face of the underground coal mine and uses a monorail hanging beam 7 on a roadway top plate as a runway;
the triangular coal cleaning device for the underground coal mine coal face comprises a displacement supporting assembly, a lifting position adjusting mechanism is installed below the displacement supporting assembly, the top of the lifting position adjusting mechanism is fixed above the displacement supporting assembly, a coal pushing structure is installed at the lower end of the lifting position adjusting mechanism, and the coal pushing structure is used for pushing coal blocks in a triangular coal area corresponding to the position to the working end of a scraper conveyor.
The triangular coal cleaning device for the underground coal mine coal face adopts the displacement support assembly to realize the forward and backward displacement by taking the monorail hanging beam 7 as a runway during working, and realizes braking by controlling the brake 1 after displacement; when coal pushing and mining work needs to be carried out, the lifting positioning mechanism is utilized to control the lifting of the coal pushing structure, and after the coal pushing structure is controlled to be moved to the proper position, the swinging angle of a coal pushing plate 11 on the coal pushing structure needs to be controlled according to the coal mining and pushing requirements, so that coal pushing under different angle amplitudes is realized, and the coal pushing quantity is effectively controlled.
In any of the above schemes, preferably, the shifting support assembly includes two i-shaped steel beams 5 arranged in parallel at intervals, a single-rail hanging wheel 4 structure is respectively and fixedly installed at the tops of the middle sections of the two i-shaped steel beams 5, the hanging wheel portions of the single-rail hanging wheel 4 structure are installed at the corresponding positions of the single-rail hanging beam 7 in a matching manner, the bottom of the wheel carrier of the single-rail hanging wheel 4 structure is fixed at the top of the i-shaped steel beam 5 correspondingly below, and a brake 1 for realizing braking and locking of the current single-rail hanging wheel 4 structure is installed on the i-shaped steel beam 5 at one side of the single-rail hanging wheel 4 structure at the rear side; a stepping pushing assembly is arranged between the two I-shaped steel beams 5 and used as power for moving the two monorail hanging wheels 4 along the monorail hanging beam 7.
The two I-shaped steel beams 5 are used as main supporting structures of the device, meanwhile, the hanging treatment is realized by utilizing the structure of the monorail hanging wheel 4, the brake 1 with the traditional structure is arranged on the structure of the monorail hanging wheel 4 at the rear end, the locking and unlocking of the structure of the monorail hanging wheel 4 can be realized by utilizing the work of the brake 1, the whole device is in a state that the device can not move along the monorail hanging beam 7 after being locked, and a free state is realized after being unlocked.
In any of the above schemes, preferably, the stepping pushing assembly comprises a horizontally arranged traction hydraulic cylinder 2, and two ends of the traction hydraulic cylinder 2 are respectively and movably hinged on the side wall of the middle section of the i-shaped steel beam 5 at the corresponding positions; install a support pneumatic cylinder 3 on the I-shaped steel roof beam 5 at the rear end, the both ends of supporting the pneumatic cylinder 3 articulate respectively in the rear end on the I-shaped steel roof beam 5 and promote the rear end portion of positioning mechanism.
The walking pushing assembly is mainly used as a power component, when the walking pushing assembly needs to be pushed forwards, the brake 1 on the structure of the monorail hanging wheel 4 on the rear side can be directly used for braking the rear end, then the traction hydraulic cylinder 2 is controlled, and the piston rod of the supporting hydraulic cylinder 3 extends forwards to drive the coal pushing structure connected with the front end of the walking pushing assembly to move forwards.
In any of the above schemes, preferably, the lifting and positioning mechanism includes a structural main plate 8 disposed below the i-shaped steel beam 5 at the front end, a piston rod of the supporting hydraulic cylinder 3 is hinged to the rear end portion of the structural main plate 8, a vertically disposed fixed hydraulic cylinder 6 is mounted on the i-shaped steel beam 5 at the front end at intervals along the length direction thereof, the two fixed hydraulic cylinders 6 perform synchronous lifting movement in the same direction, a sliding insertion plate 10 is disposed at the lower end of the structural main plate 8, and the sliding insertion plate 10 is slidably inserted into guide groove tracks at both sides of the structural main plate 8; the utility model discloses a coal pushing machine, including structure mainboard 8, slip picture peg 10, the front end of picture peg 10 is installed to the front side wall of structure mainboard 8, slip picture peg 10 top install a flexible control assembly, flexible control assembly is used for controlling slip picture peg 10 slides from top to bottom the front end of slip picture peg 10 is installed the coal pushing structure.
The sliding flashboard 10 on the structure main board 8 can be lifted under the action of the telescopic control assembly, so that the height of the coal pushing machine is controlled, and the adjustment of the lowest position of the coal pushing machine is guaranteed.
Preferably in any of the above schemes, the telescopic control assembly comprises two vertical and spaced insertion plate hydraulic cylinders 9, the upper ends of the cylinder bodies of the insertion plate hydraulic cylinders 9 are movably hinged on the structural main plate 8 at the corresponding positions, and the lower ends of the piston rods of the insertion plate hydraulic cylinders 9 are movably hinged on the sliding insertion plate 10 at the corresponding positions.
The two flashboard hydraulic cylinders 9 control the longitudinal extension of the sliding flashboard 10 below the two flashboard hydraulic cylinders through synchronous extension, thereby achieving the purpose of effectively ensuring extension and positioning.
It is preferred in any preceding scheme, it articulates including one through hinge activity to push away the coal board 11 of one side of picture peg 10 slides, push away coal board 11 and realize pushing away the regional coal cinder propelling movement of triangle coal to the work end of the scraper conveyor who corresponds through the swing push away coal board 11 with it pushes away the material structure to install a swing between the picture peg 10 to slide, swing pushes away the material structure and is used for control push away coal board 11 around the rotatory wobbling angle in hinge position.
The coal pushing plate 11 can swing through a hinge to realize the purpose of pushing coal; meanwhile, the power for pushing the coal is provided by the swinging pushing structure.
Example 2:
a triangular coal cleaning device for a coal face of an underground coal mine is arranged at the end part of the coal face of the underground coal mine and uses a monorail hanging beam 7 on a roadway top plate as a runway;
the triangular coal cleaning device for the underground coal mine coal face comprises a displacement supporting assembly, a lifting position adjusting mechanism is installed below the displacement supporting assembly, the top of the lifting position adjusting mechanism is fixed above the displacement supporting assembly, a coal pushing structure is installed at the lower end of the lifting position adjusting mechanism, and the coal pushing structure is used for pushing coal blocks in a triangular coal area corresponding to the position to the working end of a scraper conveyor.
The triangular coal cleaning device for the underground coal mine coal face adopts the displacement support assembly to realize the forward and backward displacement by taking the monorail hanging beam 7 as a runway during working, and realizes braking by controlling the brake 1 after displacement; when coal pushing and mining work needs to be carried out, the lifting positioning mechanism is utilized to control the lifting of the coal pushing structure, and after the coal pushing structure is controlled to be moved to the proper position, the swinging angle of a coal pushing plate 11 on the coal pushing structure needs to be controlled according to the coal mining and pushing requirements, so that coal pushing under different angle amplitudes is realized, and the coal pushing quantity is effectively controlled.
In any of the above schemes, preferably, the shifting support assembly includes two i-shaped steel beams 5 arranged in parallel at intervals, a single-rail hanging wheel 4 structure is respectively and fixedly installed at the tops of the middle sections of the two i-shaped steel beams 5, the hanging wheel portions of the single-rail hanging wheel 4 structure are installed at the corresponding positions of the single-rail hanging beam 7 in a matching manner, the bottom of the wheel carrier of the single-rail hanging wheel 4 structure is fixed at the top of the i-shaped steel beam 5 correspondingly below, and a brake 1 for realizing braking and locking of the current single-rail hanging wheel 4 structure is installed on the i-shaped steel beam 5 at one side of the single-rail hanging wheel 4 structure at the rear side; a stepping pushing assembly is arranged between the two I-shaped steel beams 5 and used as power for moving the two monorail hanging wheels 4 along the monorail hanging beam 7.
The two I-shaped steel beams 5 are used as main supporting structures of the device, meanwhile, the hanging treatment is realized by utilizing the structure of the monorail hanging wheel 4, the brake 1 with the traditional structure is arranged on the structure of the monorail hanging wheel 4 at the rear end, the locking and unlocking of the structure of the monorail hanging wheel 4 can be realized by utilizing the work of the brake 1, the whole device is in a state that the device can not move along the monorail hanging beam 7 after being locked, and a free state is realized after being unlocked.
In any of the above solutions, it is preferable that the triangular coal cleaning device on the underground coal mine coal face is displaced along the extension direction of the monorail hanging beam 7 in a stepping forward mode.
The front and back displacement of the whole device and the locking after the displacement can be realized by the telescopic matching of the stepping pushing assembly and the work of the brake 1.
In any of the above schemes, preferably, the stepping pushing assembly comprises a horizontally arranged traction hydraulic cylinder 2, and two ends of the traction hydraulic cylinder 2 are respectively and movably hinged on the side wall of the middle section of the i-shaped steel beam 5 at the corresponding positions; install a support pneumatic cylinder 3 on the I-shaped steel roof beam 5 at the rear end, the both ends of supporting the pneumatic cylinder 3 articulate respectively in the rear end on the I-shaped steel roof beam 5 and promote the rear end portion of positioning mechanism.
The walking pushing assembly is mainly used as a power component, when the walking pushing assembly needs to be pushed forwards, the brake 1 on the structure of the monorail hanging wheel 4 on the rear side can be directly used for braking the rear end, then the traction hydraulic cylinder 2 is controlled, and the piston rod of the supporting hydraulic cylinder 3 extends forwards to drive the coal pushing structure connected with the front end of the walking pushing assembly to move forwards.
In any of the above schemes, preferably, the front end of the supporting hydraulic cylinder 3 is arranged to be inclined downwards, and the supporting hydraulic cylinder 3 can play a supporting role to provide supporting force for the structural main plate 8.
In any of the above schemes, preferably, the lifting and positioning mechanism includes a structural main plate 8 disposed below the i-shaped steel beam 5 at the front end, a piston rod of the supporting hydraulic cylinder 3 is hinged to the rear end portion of the structural main plate 8, a vertically disposed fixed hydraulic cylinder 6 is installed on the i-shaped steel beam 5 at the front end at intervals along the length direction thereof, the two fixed hydraulic cylinders 6 perform synchronous lifting movement in the same direction, a sliding insertion plate 10 is disposed at the lower end of the structural main plate 8, and the sliding insertion plate 10 is slidably inserted into guide groove rails 13 at both sides of the structural main plate 8; the utility model discloses a coal pushing machine, including structure mainboard 8, slip picture peg 10, the front end of picture peg 10 is installed to the front side wall of structure mainboard 8, slip picture peg 10 top install a flexible control assembly, flexible control assembly is used for controlling slip picture peg 10 slides from top to bottom the front end of slip picture peg 10 is installed the coal pushing structure.
The sliding flashboard 10 on the structural main board 8 can be lifted under the action of the telescopic control assembly, so that the height of the coal pushing machine during coal pushing is controlled, and the adjustment of the lowest position of the coal pushing machine is guaranteed.
Preferably in any of the above schemes, the telescopic control assembly comprises two vertical and spaced insertion plate hydraulic cylinders 9, the upper ends of the cylinder bodies of the insertion plate hydraulic cylinders 9 are movably hinged on the structural main plate 8 at the corresponding positions, and the lower ends of the piston rods of the insertion plate hydraulic cylinders 9 are movably hinged on the sliding insertion plate 10 at the corresponding positions.
The two flashboard hydraulic cylinders 9 control the longitudinal extension of the sliding flashboard 10 below the two flashboard hydraulic cylinders through synchronous extension, thereby achieving the purpose of effectively ensuring extension and positioning.
It is preferred in any preceding scheme, it articulates including one through hinge activity to push away the coal board 11 of one side of picture peg 10 slides, push away coal board 11 and realize pushing away the regional coal cinder propelling movement of triangle coal to the work end of the scraper conveyor who corresponds through the swing push away coal board 11 with it pushes away the material structure to install a swing between the picture peg 10 to slide, swing pushes away the material structure and is used for control push away coal board 11 around the rotatory wobbling angle in hinge position.
The coal pushing plate 11 can swing through a hinge to realize the purpose of pushing coal; meanwhile, the power for pushing the coal is provided by the swinging pushing structure.
In any of the above schemes, preferably, the swinging pushing structure includes coal pushing hydraulic cylinders 12 arranged at intervals from top to bottom, the two coal pushing hydraulic cylinders 12 are both in a horizontal state, the rear ends of the two coal pushing hydraulic cylinders 12 are both movably hinged on the front end face of the sliding flashboard 10, and the piston rod parts of the front ends of the two coal pushing hydraulic cylinders 12 are both movably hinged on the coal pushing board 11; the two coal pushing hydraulic cylinders 12 and the flashboard hydraulic cylinder 9 are positioned on different planes and have no movement interference.
The swinging pushing structure controls the extension range of the coal pushing hydraulic cylinder 12 through the self extension and retraction, and then controls the inclination angle of the coal pushing plate 11, and finally achieves the purpose of coal pushing swinging.
In any of the above schemes, preferably, the two i-shaped steel beams 5 and the monorail hanging beam 7 are both arranged perpendicular to each other.
In any of the above schemes, preferably, the traction hydraulic cylinder 2, the support hydraulic cylinder 3, the plate inserting hydraulic cylinder 9 and the coal pushing hydraulic cylinder 12 are all fixed in a bolt hinge mode.
In any of the above solutions, it is preferable that the brake 1 is of the prior art, which is mounted on the monorail trolley 4 by means of a spring-type mechanical lock.
The working principle is as follows:
the structure main board 8 is matched with a monorail hanging beam 7 in a crossheading of the monorail hanging wheel 4 through the monorail hanging wheel 4 (2 groups of fixing hydraulic cylinders 6 are arranged above the monorail hanging wheel 4 for fixing a device below the monorail hanging wheel), and the monorail hanging wheel 4 is matched with the brake 1 for use, so that unlocking and braking of the device are realized; the sliding plugboard 10 is connected with the structural main board 8 through a plugboard hydraulic cylinder 9 and a guide groove, so that the sliding plugboard 10 can move up and down; the sliding inserting plate 10 is connected with the coal pushing plate 11 through a hinge and a coal pushing hydraulic cylinder 12 to realize the opening and closing of the coal pushing plate 11.
The device controls the movement of each cylinder body by working face high-pressure emulsion, thereby realizing the movement, braking and operation of the device.
The method comprises the following specific steps:
(1) moving and braking:
before operation, the brake 1 is tightly braked, and the whole device is fixed through the brake 1.
After the operation is finished, the brake 1 is loosened, the traction oil cylinder and the supporting hydraulic cylinder are extended → the brake 1 is tightly braked → the fixed hydraulic cylinder on the monorail hanging wheel 4 is retracted → the traction oil cylinder is retracted → the supporting hydraulic cylinder is adjusted → the fixed hydraulic cylinder is fastened and lifted, and the forward moving and the fixing of the device are realized.
(2) Operation:
the handle of the flashboard hydraulic cylinder 9 is operated, the sliding flashboard 10 extends out of the structural main board 8 through the flashboard hydraulic cylinder 9 and is tightly connected with a coal mine bottom board, the handle of the coal pushing hydraulic cylinder 12 is operated, the coal pushing board 11 is rotationally pushed out through the coal pushing hydraulic cylinder 12, and triangular coal is pushed into the scraper conveyor.
And returning the device to the original position according to the reverse sequence after the operation is finished.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The details of the present invention are not described in detail, but are known to those skilled in the art.
Claims (10)
1. The utility model provides a well worker colliery coal face triangle coal cleaning device which characterized in that: the triangular coal cleaning device for the underground coal mine coal face is installed at the end part of the underground coal mine coal face and takes a monorail hanging beam on a roadway roof as a runway;
the triangular coal cleaning device for the underground coal mine coal face comprises a displacement supporting assembly, a lifting position adjusting mechanism is installed below the displacement supporting assembly, the top of the lifting position adjusting mechanism is fixed above the displacement supporting assembly, a coal pushing structure is installed at the lower end of the lifting position adjusting mechanism, and the coal pushing structure is used for pushing coal blocks in a triangular coal area corresponding to the position to the working end of a scraper conveyor.
2. The triangular coal cleaning device for the underground coal mine coal face according to claim 1, characterized in that: the shifting support assembly comprises two I-shaped steel beams which are arranged in parallel at intervals, a single-rail hanging wheel structure is fixedly arranged at the tops of the middle sections of the two I-shaped steel beams respectively, the hanging wheel parts of the single-rail hanging wheel structure are arranged at the corresponding positions of the single-rail hanging beams in a matched mode, the bottom of a wheel carrier of the single-rail hanging wheel structure is fixed at the top of the I-shaped steel beam below the single-rail hanging wheel structure correspondingly, and a brake for realizing braking and locking of the current single-rail hanging wheel structure is arranged on the I-shaped steel beam on one side of the single-rail hanging wheel structure on the rear side; and a stepping pushing assembly is arranged between the two I-shaped steel beams and is used as power for the two monorail hanging wheel structures to move along the monorail hanging beam.
3. The triangular coal cleaning device for the underground coal mine coal face according to claim 2, characterized in that: the triangular coal cleaning device for the underground coal mine coal face is shifted along the extension direction of the monorail hanging beam in a stepping forward mode.
4. The triangular coal cleaning device for the underground coal mine coal face according to claim 3, characterized in that: the walking pushing assembly comprises a horizontally arranged traction hydraulic cylinder, and two ends of the traction hydraulic cylinder are respectively and movably hinged on the side wall of the middle section of the I-shaped steel beam at the corresponding position; and a supporting hydraulic cylinder is installed on the I-shaped steel beam at the rear end, and two ends of the supporting hydraulic cylinder are respectively hinged to the I-shaped steel beam at the rear end and the rear end part of the lifting and positioning mechanism.
5. The triangular coal cleaning device for the underground coal mine coal face according to claim 4, wherein: the front end of the supporting hydraulic cylinder is arranged in a downward inclined mode.
6. The triangular coal cleaning device for the underground coal mine coal face according to claim 5, wherein: the lifting and positioning mechanism comprises a structural main plate arranged below the I-shaped steel beam at the front end, the rear end part of the structural main plate is hinged with a piston rod of the supporting hydraulic cylinder, the I-shaped steel beam at the front end is provided with a vertically arranged fixed hydraulic cylinder at intervals along the length direction of the I-shaped steel beam, the two fixed hydraulic cylinders synchronously and synchronously move in a lifting manner in the same direction, the lower end of the structural main plate is provided with a sliding plug board, and the sliding plug board is slidably inserted into guide groove tracks on two sides of the structural main plate; slip picture peg top install a flexible control assembly on the preceding lateral wall of structure mainboard, flexible control assembly is used for control the slip picture peg slides from top to bottom the front end of slip picture peg is installed push away the coal structure.
7. The triangular coal cleaning device for the underground coal mine coal face according to claim 6, wherein: the telescopic control assembly comprises two vertical inserting plate hydraulic cylinders arranged at intervals, the upper ends of the cylinder bodies of the inserting plate hydraulic cylinders are movably hinged to the structural main boards at corresponding positions, and the lower ends of the piston rods of the inserting plate hydraulic cylinders are movably hinged to the corresponding positions on the sliding inserting plate.
8. The triangular coal cleaning device for the underground coal mine coal face according to claim 7, wherein: the coal pushing structure comprises a coal pushing plate movably hinged to one side of the sliding insertion plate through a hinge, the coal pushing plate pushes coal blocks in a triangular coal area to the working end of a corresponding scraper conveyor through swinging, the coal pushing plate and the sliding insertion plate are provided with a swinging material pushing structure, and the swinging material pushing structure is used for controlling the coal pushing plate to rotate and swing around the hinge position.
9. The triangular coal cleaning device for the underground coal mine coal face according to claim 8, wherein: the swinging pushing structure comprises coal pushing hydraulic cylinders which are arranged at intervals from top to bottom, the two coal pushing hydraulic cylinders are in a horizontal state, the rear ends of the two coal pushing hydraulic cylinders are movably hinged to the front end face of the sliding flashboard, and piston rod parts at the front ends of the two coal pushing hydraulic cylinders are movably hinged to the coal pushing board; the two coal pushing hydraulic cylinders and the flashboard hydraulic cylinder are positioned on different planes and do not have movement interference.
10. The triangular coal cleaning device for the underground coal mine coal face according to claim 9, characterized in that: the two I-shaped steel beams and the single-rail hanging beam are perpendicular to each other.
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| CN202210571645.5A CN114856560A (en) | 2022-05-25 | 2022-05-25 | Triangular coal cleaning device for underground coal mine coal face |
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| CN202210571645.5A CN114856560A (en) | 2022-05-25 | 2022-05-25 | Triangular coal cleaning device for underground coal mine coal face |
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| CN114856560A true CN114856560A (en) | 2022-08-05 |
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| US4062595A (en) * | 1976-10-15 | 1977-12-13 | The United States Of America As Represented By The Secretary Of The Interior | Automatic face transfer linear cutting rotary head continuous mining machine and method |
| US4274765A (en) * | 1977-11-19 | 1981-06-23 | Winster Engineering Limited | Mining equipment |
| CN205100980U (en) * | 2015-10-30 | 2016-03-23 | 中煤平朔集团有限公司 | Combine and put automatic coal device that pushes away of working face hydraulic pressure |
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| CN114183182A (en) * | 2021-12-24 | 2022-03-15 | 山东里能鲁西矿业有限公司 | Pressure-adjustable hydraulic gun supporting structure for fully mechanized mining of underground coal mine |
| CN114382471A (en) * | 2021-11-30 | 2022-04-22 | 乌审旗蒙大矿业有限责任公司 | Automatic cutting system of triangular coal following machine |
| CN216553959U (en) * | 2021-10-25 | 2022-05-17 | 国电建投内蒙古能源有限公司 | Gangue prevention side protection device for triangular coal area of thick coal seam of coal mine |
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2022
- 2022-05-25 CN CN202210571645.5A patent/CN114856560A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062595A (en) * | 1976-10-15 | 1977-12-13 | The United States Of America As Represented By The Secretary Of The Interior | Automatic face transfer linear cutting rotary head continuous mining machine and method |
| US4274765A (en) * | 1977-11-19 | 1981-06-23 | Winster Engineering Limited | Mining equipment |
| CN205100980U (en) * | 2015-10-30 | 2016-03-23 | 中煤平朔集团有限公司 | Combine and put automatic coal device that pushes away of working face hydraulic pressure |
| CN207944937U (en) * | 2018-03-02 | 2018-10-09 | 河南永锦能源有限公司云盖山煤矿二矿 | A kind of coal pusher tool arm |
| CN216553959U (en) * | 2021-10-25 | 2022-05-17 | 国电建投内蒙古能源有限公司 | Gangue prevention side protection device for triangular coal area of thick coal seam of coal mine |
| CN114382471A (en) * | 2021-11-30 | 2022-04-22 | 乌审旗蒙大矿业有限责任公司 | Automatic cutting system of triangular coal following machine |
| CN114183182A (en) * | 2021-12-24 | 2022-03-15 | 山东里能鲁西矿业有限公司 | Pressure-adjustable hydraulic gun supporting structure for fully mechanized mining of underground coal mine |
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