CN215701514U - Coal-winning machine maintenance device - Google Patents
Coal-winning machine maintenance device Download PDFInfo
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- CN215701514U CN215701514U CN202121279857.3U CN202121279857U CN215701514U CN 215701514 U CN215701514 U CN 215701514U CN 202121279857 U CN202121279857 U CN 202121279857U CN 215701514 U CN215701514 U CN 215701514U
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Abstract
The utility model provides a maintenance device of a coal mining machine, which relates to the technical field of coal mine machinery maintenance, and comprises: place the board subassembly, place board subassembly below and install rotating device, the both sides of placing the board all are provided with elevating system, the last rotation of elevating system is provided with the fixture that is used for centre gripping coal-winning machine apron both sides, the spout has been seted up on fixture's the fixed end, it is provided with the gear to slide in the spout, the both sides of placing the board subassembly all are provided with the dead lever, set up on the dead lever can with gear engagement's rack, contrary mechanism that ends is installed to one side of fixture's stiff end, the pushing mechanism who is used for promoting gear shift is installed at the top of dead lever. Will drive fixture through gear and rack meshing and rotate 180 degrees and prevent fixture antiport through contrary mechanism, when fixture upset 180 degrees, promote the subassembly and push gear and rack and break away from the contact, elevating system descends and places the coal-winning machine apron after the upset on placing the board.
Description
Technical Field
The utility model relates to the technical field of coal mine machinery maintenance, in particular to a maintenance device for a coal mining machine.
Background
The coal mining machine is one of main devices of fully mechanized mining complete equipment, the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, a cover plate of the coal mining machine needs to be maintained, welded and hammered to bear force, the maintenance and the welding and the hammering are mainly carried out manually, and the coal mining machine is very inconvenient.
In chinese patent with an authorization publication number of CN209223895U, a rotary maintenance device for a cover plate of a coal mining machine is disclosed, which comprises a frame body and is characterized in that: the upside both ends of base are the one end of fixed connection round bar one respectively, the symmetry the other end of round bar one is one side of fixed connection square respectively, one of them the square articulates the one end of screw rod one, a screw rod screw thread passes another the center of square, one side center of the other end fixed connection disc of screw rod one, two sections reverse screw thread difference threaded connection sliders of screw rod one, the symmetry the downside center of slider articulates the one end of connecting rod respectively, two the other end of connecting rod articulates round bar three respectively, the symmetry the downside of round bar three is the upside of fixed connection round block respectively. The utility model relates to the field of coal mine maintenance equipment, in particular to a rotary maintenance device for a cover plate of a coal mining machine. The utility model relates to a rotary maintenance device for a cover plate of a coal mining machine, which is beneficial to realizing the maintenance of the cover plate of the coal mining machine.
However, in the above technical solution, the connecting rod is driven by the screw to rotate so as to drive the coal mining machine to rotate, and when the cover plate of the coal mining machine is overhauled, only the outer surface of the cover plate of the coal mining machine can be overhauled, and the inner side surface of the cover plate of the coal mining machine cannot be overhauled.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a maintenance device for a coal mining machine, and aims to solve the problem that the maintenance device for the coal mining machine in the prior art cannot maintain the inner surface of a cover plate of the coal mining machine.
In order to achieve the purpose, the utility model adopts the following technical scheme: a coal cutter maintenance device, comprising: place the board subassembly, place board subassembly below and install rotating device, the both sides of placing the board all are provided with elevating system, elevating system goes up to rotate and is provided with the fixture that is used for centre gripping coal-winning machine apron both sides, the spout has been seted up on fixture's the fixed end, it is provided with the gear to slide in the spout, the both sides of placing the board subassembly all are provided with the dead lever, set up on the dead lever can with gear engagement's rack, contrary mechanism that ends is installed to one side of fixture's stiff end, the pushing mechanism who is used for promoting gear shift is installed at the top of dead lever, the pushing mechanism who resets the gear is installed to elevating system's stiff end.
In order to enable the coal mining machine to rotate more conveniently, the coal mining machine further adopts the technical scheme that the placing plate assembly comprises a placing plate used for placing a cover plate of the coal mining machine, a bottom plate is rotatably arranged below the placing plate, ball grooves are formed in the placing plate and the bottom plate, and balls are arranged between the two ball grooves.
In order to enable the rotary type coal mining machine cover plate to have the function of rotating, the rotary type coal mining machine cover plate further adopts the technical scheme that the rotating device is a servo motor, and the movable end of the servo motor is fixedly connected with the placing plate
In order to ensure that the lifting mechanism has the function of lifting the cover plate of the coal mining machine, the further technical scheme is that the lifting mechanism is a hydraulic cylinder
In order to enable the clamping mechanism to have the function of clamping the cover plate of the coal mining machine, the clamping mechanism further adopts the technical scheme that the clamping mechanism comprises an electric push rod fixedly provided with a movable end of a lifting mechanism, and an arc-shaped clamping plate is fixedly arranged at the movable end of the electric push rod.
In order to enable the clamping device to have the function of clamping the cover plate of the coal mining machine, the further technical scheme is that one surface, used for clamping the cover plate of the coal mining machine, of the arc-shaped clamping plate is made of soft anti-skid materials.
In order to prevent the clamping mechanism from rotating, the further technical scheme of the utility model is that the non-return mechanism comprises a ratchet wheel fixedly arranged on the electric push rod, and a pawl for preventing the ratchet wheel from rotating reversely is arranged at the movable end of the lifting mechanism.
In order to enable the utility model to have the function of separating the gear from the rack, the utility model has the further technical scheme that the pushing mechanism comprises a rotating shaft which is rotatably arranged at the top of the fixed rod or the fixed end of the lifting mechanism, a push rod with the middle part fixedly arranged on the rotating shaft is fixedly arranged on the rotating shaft, a torsion spring is arranged between the rotating shaft rotatably arranged at the top of the fixed rod and the fixed rod, and a torsion spring is arranged between the rotating shaft at the fixed end of the lifting mechanism and the fixed end of the lifting mechanism.
The utility model has the beneficial effects that:
after placing the coal-winning machine apron that will treat the maintenance on placing the board, it rotates and then coal-winning machine apron rotates to drive through servo motor's rotation to place the board, after the coal-winning machine apron is held to fixture centre gripping, elevating system drives fixture lift, in fixture lift in-process, set up gear and set up rack toothing on the dead lever, will drive fixture through gear and rack toothing and rotate 180 degrees and prevent fixture antiport through contrary mechanism, when fixture upset 180 degrees, promote the subassembly and promote gear and rack and break away from the contact, elevating system descends and places the coal-winning machine apron after the upset on placing the board.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
Fig. 5 is a schematic structural view of a setter plate assembly of the present invention.
In the figure: 1. placing the plate assembly; 11. placing the plate; 12. a base plate; 13. a ball groove; 14. a ball bearing; 2. A rotating device; 3. a lifting mechanism; 4. a clamping mechanism; 41. an electric push rod; 42. an arc-shaped clamping plate; 5. A chute; 6. a gear; 7. fixing the rod; 8. a rack; 9. a non-return mechanism; 91. a ratchet wheel; 92. a pawl; 10. a pushing mechanism; 101. a rotating shaft; 102. a push rod; 103. a torsion spring.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, a maintenance apparatus for a shearer, includes: a coal cutter maintenance device, comprising: place the board subassembly 1, place 1 below of board subassembly and install rotating device 2, the both sides of placing board subassembly 1 all are provided with elevating system 3, it is provided with fixture 4 that is used for centre gripping coal-winning machine apron both sides to rotate on elevating system 3, spout 5 has been seted up on fixture 4's the fixed end, it is provided with gear 6 to slide in the spout 5, the both sides of placing board subassembly 1 all are provided with dead lever 7, set up on dead lever 7 can with the rack 8 of gear 6 meshing, non-return mechanism 9 is installed to one side of fixture 4's stiff end, pushing mechanism 10 that is used for promoting gear 6 to remove is installed at the top of dead lever 7, pushing mechanism 10 that resets gear 6 is installed to elevating system 3's stiff end.
In the embodiment, when the lifting mechanism 3 drives the clamping mechanism 4 to lift to a position where the clamping mechanism 4 can clamp the cover plate of the coal mining machine, the clamping mechanism 4 is clamped by the clamping mechanism 4, the lifting mechanism 3 drives the clamping mechanism 4 to lift, in the lifting process of the clamping mechanism 4, the gear 6 arranged on the clamping mechanism 4 is meshed with the rack 8 arranged on the fixed rod 7, the length of the rack 8 enables the gear to rotate 180 degrees, when the clamping mechanism 4 rotates, the reverse rotation is prevented by the check mechanism 9, when the clamping mechanism 4 rotates 180 degrees, the pushing mechanism 10 arranged on the fixed rod 7 slides the pushing gear 6 in the sliding groove 5, the gear 6 is separated from the rack 8, then the lifting mechanism 3 drives the clamping mechanism 4 after the turnover to descend and place the cover plate of the coal mining machine on the placing plate assembly 1, in the descending process, the pushing mechanism 10 arranged on the lifting mechanism 3 pushes the gear 6 to reset, the shearer cover plate placed on the placing plate assembly 1 is rotated by the rotating device.
Specifically, the placing plate 11 assembly comprises a placing plate 11 used for placing a cover plate of the coal mining machine, a bottom plate 12 is rotatably arranged below the placing plate 11, ball grooves 13 are formed in the placing plate 11 and the bottom plate 12, and balls 14 are arranged between the ball grooves 13. The cover plate of the coal mining machine is placed on the placing plate 11, and the placing plate 11 can be more conveniently rotated by the balls 14 arranged in the ball grooves 13 formed in the placing plate 11 and the bottom plate 12.
Specifically, the rotating device 2 is a servo motor, and the movable end of the servo motor is fixedly connected with the placing plate 101. Place board 11 through servo motor drive and rotate, can control pivoted angle.
Preferably, the lifting mechanism 3 is a hydraulic cylinder. The clamping mechanism 4 is driven to lift through the hydraulic cylinder.
It should be noted that the clamping mechanism 4 includes an electric push rod 41 fixedly provided with a movable end of the lifting mechanism 3, and an arc-shaped clamping plate 42 is fixedly provided with the movable end of the electric push rod 41. The arc-shaped clamping plate 42 is controlled to stretch and retract through the electric pushing device 41, and the cover plate of the coal mining machine is clamped through the arc-shaped clamping plate 42.
The arc-shaped clamping plate 42 is made of soft anti-skid materials on one surface for clamping the cover plate of the coal mining machine. The soft anti-slip material is arranged at one end of the arc-shaped clamping plate 42 for clamping the cover plate of the coal mining machine, so that the cover plate of the coal mining machine can be prevented from being damaged by clamping.
Specifically, the non-return mechanism 9 includes a ratchet 91 fixedly disposed on the electric push rod 41, and a pawl 92 for preventing the ratchet 91 from reversely rotating is disposed at the movable end of the lifting mechanism 3. The gripping mechanism 4 can be reversed by the engagement of the ratchet 91 with the pawl 92.
Specifically, the pushing mechanism 10 includes a rotating shaft 101 rotatably disposed at the top of the fixing rod 7 or at the fixed end of the lifting mechanism 3, a middle push rod 102 fixedly disposed on the rotating shaft 101 is fixedly disposed on the rotating shaft 101, a torsion spring 103 is disposed between the rotating shaft rotatably disposed at the top of the fixing rod 7 and the fixing rod 7, and a torsion spring 103 is disposed between the rotating shaft 101 at the fixed end of the lifting mechanism 3 and the fixed end of the lifting mechanism. The movable end of the lifting mechanism 3 collides with one end of a push rod 102 fixedly arranged on the fixed rod 7 in the last process, the other end of the push rod 102 pushes a gear 6 to slide in the chute 5, when the lifting mechanism 3 descends, the movable end of the lifting mechanism 3 collides with one end of the push rod 102 arranged on the fixed end of the lifting mechanism, the other end of the push rod 2 pushes the gear 6 to reset, and the push rod 102 resets through a torsion spring 103.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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 specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A coal mining machine maintenance device is characterized by comprising: a placing plate component (1), a rotating device (2) is arranged below the placing plate component (1), both sides of the placing plate component (1) are provided with lifting mechanisms (3), the lifting mechanisms (3) are rotatably provided with clamping mechanisms (4) for clamping both sides of a cover plate of the coal mining machine, a sliding chute (5) is arranged at the fixed end of the clamping mechanism (4), a gear (6) is arranged in the sliding chute (5) in a sliding way, both sides of the placing plate component (1) are provided with fixed rods (7), the fixed rods (7) are provided with racks (8) which can be meshed with the gears (6), one side of the fixed end of the clamping mechanism (4) is provided with a non-return mechanism (9), the top of the fixed rod (7) is provided with a pushing mechanism (10) for pushing the gear (6) to move, and a pushing mechanism (10) for resetting the gear (6) is installed at the fixed end of the lifting mechanism (3).
2. The maintenance device for the coal mining machine according to claim 1, characterized in that the assembly of the placing plate (11) comprises a placing plate (11) for placing a cover plate of the coal mining machine, a bottom plate (12) is rotatably arranged below the placing plate (11), ball grooves (13) are respectively formed in the placing plate (11) and the bottom plate (12), and balls (14) are arranged between the two ball grooves (13).
3. The maintenance device of the coal mining machine according to claim 1, characterized in that the rotating device (2) is a servo motor, and the movable end of the servo motor is fixedly connected with the placing plate (11).
4. Shearer maintenance device according to claim 1, characterized in that the lifting mechanism (3) is a hydraulic cylinder.
5. The maintenance device for the coal mining machine according to claim 1, characterized in that the clamping mechanism (4) comprises an electric push rod (41) fixedly provided with a movable end of the lifting mechanism (3), and an arc-shaped clamping plate (42) is fixedly arranged at the movable end of the electric push rod (41).
6. The maintenance device for the coal mining machine according to claim 5, characterized in that one surface of the arc-shaped clamping plate (42) for clamping the cover plate of the coal mining machine is made of soft non-slip material.
7. The maintenance device of the coal mining machine according to claim 1, characterized in that the non-return mechanism (9) comprises a ratchet wheel (91) fixedly arranged on the electric push rod (41), and the movable end of the lifting mechanism (3) is provided with a pawl (92) for preventing the ratchet wheel (91) from reversely rotating.
8. The maintenance device for the coal mining machine according to any one of claims 1 to 7, characterized in that the pushing mechanism (10) comprises a rotating shaft (101) rotatably arranged at the top of the fixing rod (7) or at the fixed end of the lifting mechanism (3), a push rod (102) fixedly arranged at the rotating shaft (101) is fixedly arranged on the rotating shaft (101) at the middle part, a torsion spring (103) is arranged between the rotating shaft rotatably arranged at the top of the fixing rod (7) and the fixing rod (7), and a torsion spring (103) is arranged between the rotating shaft (101) at the fixed end of the lifting mechanism (3) and the fixed end of the lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121279857.3U CN215701514U (en) | 2021-06-08 | 2021-06-08 | Coal-winning machine maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121279857.3U CN215701514U (en) | 2021-06-08 | 2021-06-08 | Coal-winning machine maintenance device |
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| Publication Number | Publication Date |
|---|---|
| CN215701514U true CN215701514U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121279857.3U Active CN215701514U (en) | 2021-06-08 | 2021-06-08 | Coal-winning machine maintenance device |
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| CN (1) | CN215701514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741388A (en) * | 2022-11-21 | 2023-03-07 | 盐城久大机电设备有限公司 | Automatic grinding machine in duplex position |
| CN117444699A (en) * | 2023-12-26 | 2024-01-26 | 青州恒易机械有限公司 | Automatic overturning device for cylinder cover production |
-
2021
- 2021-06-08 CN CN202121279857.3U patent/CN215701514U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741388A (en) * | 2022-11-21 | 2023-03-07 | 盐城久大机电设备有限公司 | Automatic grinding machine in duplex position |
| CN117444699A (en) * | 2023-12-26 | 2024-01-26 | 青州恒易机械有限公司 | Automatic overturning device for cylinder cover production |
| CN117444699B (en) * | 2023-12-26 | 2024-03-12 | 青州恒易机械有限公司 | Automatic overturning device for cylinder cover production |
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