CN220059536U

CN220059536U - Suspended roof cutting device for fully-mechanized coal mining face

Info

Publication number: CN220059536U
Application number: CN202320845302.3U
Authority: CN
Inventors: 李阳; 洪赟鹏; 赵正为
Original assignee: Yunnan East Yunnan Yuwang Energy Co ltd
Current assignee: Yunnan East Yunnan Yuwang Energy Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-11-21
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a suspended roof cutting device for a fully-mechanized coal mining face of a coal mine, which comprises a first mounting plate, wherein one end of the first mounting plate is rotatably provided with a cylinder in a penetrating manner, the outer wall of the top end of the cylinder is fixedly provided with a first L-shaped plate, the top end of the first L-shaped plate is obliquely fixedly provided with a circular ring, the top of the first mounting plate is fixedly provided with a second L-shaped plate beside the cylinder, the top end of the second L-shaped plate is fixedly provided with a U-shaped plate at one side close to the circular ring, the outer wall of the cylinder is fixedly sleeved with a limiting ring, two ends of the U-shaped plate are rotatably provided with the same second circular rod in a penetrating manner, the outer wall of the second circular rod is fixedly sleeved with a first circular rod, two sides of the first circular rod are rotatably provided with rollers, and one end of the second circular rod far away from the second L-shaped plate is fixedly sleeved with a connecting plate. The utility model can avoid damage to the machine caused by the cutting knife clamped in the rock, avoid economic loss and ensure the working efficiency.

Description

Suspended roof cutting device for fully-mechanized coal mining face

Technical Field

The utility model relates to the technical field of cutting devices, in particular to a suspended roof cutting device for a fully-mechanized coal mining face.

Background

In the coal mining process, the movement of the rock stratum is often controlled by the support of a hard top plate above a coal seam, after the working face is pushed, if the top plate cannot technically collapse, large-area suspended roofs are formed behind the working face or on two sides of a roadway, stress concentration and surrounding rock deformation of the working face and the roadway can be caused by the existence of the suspended roofs, the difficulty in supporting the surrounding rock is increased, and the risk of collapsing of the suspended roofs is increased along with the continuous pushing of the working face, so that the suspended roofs are required to be cut.

The suspended roof cutting device of the fully-mechanized mining face in the prior art generally directly cuts the suspended roof in a plane, but is influenced by the rock hardness of a rock stratum, the cutting wheel is clamped inside the rock frequently, the clamping knife is caused, the power of the suspended roof cutting device is mostly large, the phenomenon after the clamping knife is easy to occur frequently, the machine is possibly damaged, the economic loss is caused, and the working efficiency is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a suspended roof cutting device for a fully-mechanized coal mining face.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a colliery is fully mechanized coal face and is hung top cutting device, includes first mounting panel, the one end of first mounting panel rotates wears to be equipped with the cylinder, the top outer wall of cylinder is fixed with first L shaped plate, the top slope of first L shaped plate is fixed with the ring, the top of first mounting panel is fixed with the second L shaped plate other the cylinder, the top of second L shaped plate is fixed with the U-shaped plate in one side that is close to the ring, the fixed cover of the outer wall of cylinder is equipped with the spacing ring, the same second round bar is worn to be equipped with in the both ends of U-shaped plate all rotations, the outer wall fixed cover of second round bar is equipped with first round bar, the both sides of first round bar are all rotated and are equipped with the gyro wheel, the one end outer wall fixed cover that the second L shaped plate was kept away from to the second round bar is equipped with the connecting plate, the top of connecting plate rotates and wears to be equipped with the third round bar, one side that the connecting plate was kept away from to the third round bar is fixed with the cutting wheel.

As a further scheme of the utility model, the limiting ring is rotationally connected with the first mounting plate, the first round rod is arranged in the U-shaped plate, and the roller is matched with the round ring.

As a further scheme of the utility model, a first motor is fixed on one side of the third round rod far away from the connecting plate, a second mounting plate is fixed on the bottom of the first motor, and one side of the second mounting plate close to the connecting plate is fixedly connected with the connecting plate.

As a further scheme of the utility model, the bottom end of the cylinder is sleeved with a circular tube, four sliding grooves which are uniformly distributed are formed in the bottom end of the cylinder, four sliding blocks which are uniformly distributed are fixed on the inner wall of the circular tube, the sliding blocks are matched with the sliding grooves, the sliding blocks are in sliding connection with the sliding grooves, and the circular tube is in sliding connection with the cylinder.

As a further scheme of the utility model, a transmission belt is sleeved on the outer wall of the top end of the circular tube, an output shaft of a second motor is arranged at one end, far away from the circular tube, of the transmission belt in a penetrating manner, and the output shaft of the second motor is fixedly connected with a reciprocating screw rod.

As a further scheme of the utility model, the reciprocating screw rod penetrates through the first mounting plate, threads matched with the reciprocating screw rod are arranged on the first mounting plate, the reciprocating screw rod is in threaded connection with the first mounting plate, a third mounting plate is fixedly arranged on the first side of the second motor, a limiting rod is fixedly arranged at the top of one end of the third mounting plate, the limiting rod penetrates through the first mounting plate in a sliding mode, and the bottom of the circular tube is fixedly connected with the third mounting plate.

The beneficial effects of the utility model are as follows:

the utility model comprises the following steps: due to the adoption of the technical means that the cutting wheel can lift and move, the cylinder rotates to drive the first L-shaped plate to rotate, the first L-shaped plate rotates to drive the circular ring to rotate, the circular ring rotates to drive the two rollers to move up and down, the two rollers move up and down to drive the first round rod to swing, the first round rod swings to drive the second round rod to swing, the second round rod swings to drive the connecting plate to swing, the connecting plate swings to drive the third round rod to swing, the third round rod swings to drive the cutting wheel to swing, and the cutting wheel can also reciprocate to rise and descend when the first mounting plate rises and descends, so that the cutting wheel can rise and descend when swinging, the suspended ceiling is cut a bit, instead of directly cutting the suspended ceiling once, the problem that the suspended ceiling is cut by the direct movement in one plane in the background technology is effectively solved, but the rock hardness of a rock layer is damaged, the cutting wheel is blocked inside the rock frequently, the machine is caused, the economic loss is avoided, the problem of affecting the working efficiency is further realized, the economic loss is avoided, the economic efficiency is avoided, and the machine is prevented from being damaged inside the rock.

Drawings

Fig. 1 is a schematic diagram of a first three-dimensional structure of a suspended roof cutting device for a fully-mechanized coal mining face;

fig. 2 is a schematic diagram of a second three-dimensional structure of a suspended roof cutting device for a fully-mechanized coal mining face;

FIG. 3 is a schematic diagram of a semi-sectional structure of a suspended roof cutting device for a fully mechanized coal mining face of the utility model;

fig. 4 is a schematic diagram of a partially developed structure of a roof-hanging cutting device for a fully-mechanized coal mining face.

In the figure: 1. a first mounting plate; 2. a cylinder; 3. a first L-shaped plate; 4. a circular ring; 5. a second L-shaped plate; 6. a U-shaped plate; 7. a limiting ring; 8. a first round bar; 9. a roller; 10. a second round bar; 11. a connecting plate; 12. a third round bar; 13. a cutting wheel; 14. a second mounting plate; 15. a first motor; 16. a second motor; 17. a transmission belt; 18. a round tube; 19. a chute; 20. a slide block; 21. a third mounting plate; 22. a limit rod; 23. and (5) a reciprocating screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-4, the suspended roof cutting device for the fully-mechanized coal mining face comprises a first mounting plate 1, one end of the first mounting plate 1 is rotatably provided with a cylinder 2, the outer wall of the top end of the cylinder 2 is fixedly provided with a first L-shaped plate 3, the top end of the first L-shaped plate 3 is obliquely fixedly provided with a circular ring 4, the top end of the first mounting plate 1 is fixedly provided with a second L-shaped plate 5 beside the cylinder 2, the top end of the second L-shaped plate 5 is fixedly provided with a U-shaped plate 6 at one side close to the circular ring 4, the outer wall of the cylinder 2 is fixedly sleeved with a limiting ring 7, two ends of the U-shaped plate 6 are rotatably provided with the same second circular rod 10, the outer wall of the second circular rod 10 is fixedly sleeved with a first circular rod 8, two sides of the first circular rod 8 are rotatably provided with rollers 9, one end of the second circular rod 10 far from the second L-shaped plate 5 is fixedly sleeved with a connecting plate 11, the top end of the connecting plate 11 is rotatably provided with a third circular rod 12, one side of the third circular rod 12 far from the connecting plate 11 is fixedly provided with a cutting wheel 13, because the technical means that the cutting wheel 13 can lift and move is adopted, the cylinder 2 rotates to drive the first L-shaped plate 3 to rotate, the first L-shaped plate 3 rotates to drive the circular ring 4 to rotate, the circular ring 4 rotates to drive the two rollers 9 to move up and down, the two rollers 9 move up and down to drive the first round rod 8 to swing, the first round rod 8 swings to drive the second round rod 10 to swing, the second round rod 10 swings to drive the connecting plate 11 to swing, the connecting plate 11 swings to drive the third round rod 12 to swing, the third round rod 12 swings to drive the cutting wheel 13 to swing, and the cutting wheel 13 also reciprocates to rise and descend while the first mounting plate 1 rises and falls repeatedly, so that the cutting wheel 13 can rise and fall while swinging to cut a point of a cantilever instead of directly cutting the cantilever at one time, the problem that the cutting wheel 13 is clamped inside the rock, so that the machine is damaged, economic loss is caused, and working efficiency is influenced is effectively solved, the problem that the cutting wheel 13 is clamped inside the rock to cause machine damage is further solved, economic loss is avoided, and the technical effect of work efficiency is guaranteed.

In this embodiment, the limiting ring 7 is rotatably connected with the first mounting plate 1, the first round rod 8 is arranged in the U-shaped plate 6, and the roller 9 is adapted to the circular ring 4.

In this embodiment, a first motor 15 is fixed on one side of the third round bar 12 away from the connecting plate 11, a second mounting plate 14 is fixed on the bottom of the first motor 15, and one side of the second mounting plate 14 close to the connecting plate 11 is fixedly connected with the connecting plate 11.

In this embodiment, the bottom of the cylinder 2 is sleeved with a round tube 18, four sliding grooves 19 uniformly distributed are formed in the bottom of the cylinder 2, four sliding blocks 20 uniformly distributed are fixed on the inner wall of the round tube 18, the sliding blocks 20 are matched with the sliding grooves 19, the sliding blocks 20 are slidably connected with the sliding grooves 19, and the round tube 18 is slidably connected with the cylinder 2.

In this embodiment, a driving belt 17 is sleeved on the outer wall of the top end of the circular tube 18, one end, far away from the circular tube 18, of the driving belt 17 is provided with an output shaft of a second motor 16 in a penetrating manner, and the output shaft of the second motor 16 is fixedly connected with a reciprocating screw rod 23.

In this embodiment, the reciprocating screw rod 23 passes through the first mounting plate 1, the first mounting plate 1 is provided with a thread adapted to the reciprocating screw rod 23, the reciprocating screw rod 23 is in threaded connection with the first mounting plate 1, the first of the second motor 16 is fixed with the third mounting plate 21, one end top of the third mounting plate 21 is fixed with the stop lever 22, the stop lever 22 slides through the first mounting plate 1, and the bottom of the circular tube 18 is fixedly connected with the third mounting plate 21.

Working principle: when in use, the device is placed on a transport vehicle, then the first motor 15 and the second motor 16 are started, the first motor 15 drives the third round rod 12 to rotate, the third round rod 12 drives the cutting wheel 13 to rotate and cut the suspended ceiling, the second motor 16 drives the transmission belt 17 and the reciprocating screw rod 23 to rotate, the reciprocating screw rod 23 rotates to drive the first mounting plate 1 to rise to the topmost point or descend again under the limit of the limit rod 22, the transmission belt 17 drives the round tube 18 to rotate, the round tube 18 rotates to drive the cylinder 2 to rotate, the first mounting plate 1 rises to drive the limit ring 7 to rise, the limit ring 7 drives the cylinder 2 to rise, the cylinder 2 rises to drive the first L-shaped plate 3 to rise, the first L-shaped plate 3 drives the round ring 4 to rise, simultaneously, the first mounting plate 1 drives the second L-shaped plate 5 to rise, the second L-shaped plate 5 rises to drive the U-shaped plate 6 to rise, the U-shaped plate 6 drives the second round bar 10 to rise, the second round bar 10 drives the connecting plate 11 to rise, the connecting plate 11 drives the third round bar 12 to rise, the third round bar 12 drives the cutting wheel 13 to rise to be close to the cantilever roof, when the cylinder 2 rotates, the driving ring 4 rotates, the ring 4 rotates and can enable the two rollers 9 to rise and descend respectively, the first round bar 8 swings to drive the second round bar 10 to swing, the second round bar 10 swings to drive the connecting plate 11 to swing, the connecting plate 11 swings to drive the third round bar 12 to swing, the third round bar 12 swings to drive the cutting wheel 13 to swing, in this way, the cutting wheel 13 swings while slowly rising, the cantilever roof is cut a bit, and the cutting wheel 13 is prevented from being blocked inside a rock due to the fact that the cutting wheel 13 is directly cut in a large quantity, and machine damage is caused.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Colliery is fully mechanized coal face and is hung top cutting device, including first mounting panel (1), a serial communication port, one end rotation of first mounting panel (1) wears to be equipped with cylinder (2), the top outer wall of cylinder (2) is fixed with first L shaped plate (3), the top slope of first L shaped plate (3) is fixed with ring (4), the top of first mounting panel (1) is fixed with second L shaped plate (5) other at cylinder (2), the top of second L shaped plate (5) is fixed with U shaped plate (6) in one side that is close to ring (4), the outer wall fixed cover of cylinder (2) is equipped with spacing ring (7), the both ends of U shaped plate (6) all rotate and wear to be equipped with same second round bar (10), the outer wall fixed cover of second round bar (10) is equipped with first round bar (8), the both sides of first round bar (8) all rotate and are equipped with gyro wheel (9), the one end outer wall fixed cover that second L shaped plate (5) was kept away from to second round bar (10) is equipped with connecting plate (11), the third round bar (12) are kept away from to wear to be equipped with round bar (12).

2. The suspended ceiling cutting device for the fully-mechanized coal mining face according to claim 1, wherein the limiting ring (7) is rotationally connected with the first mounting plate (1), the first round rod (8) is arranged in the U-shaped plate (6), and the roller (9) is matched with the circular ring (4).

3. The suspended ceiling cutting device for the fully-mechanized coal mining face according to claim 1, wherein a first motor (15) is fixed on one side, far away from the connecting plate (11), of the third round rod (12), a second mounting plate (14) is fixed on the bottom of the first motor (15), and one side, close to the connecting plate (11), of the second mounting plate (14) is fixedly connected with the connecting plate (11).

4. The suspended ceiling cutting device for the fully-mechanized coal mining face according to claim 1, wherein a round tube (18) is sleeved at the bottom end of the cylinder (2), four sliding grooves (19) which are uniformly distributed are formed in the bottom end of the cylinder (2), four sliding blocks (20) which are uniformly distributed are fixed on the inner wall of the round tube (18), the sliding blocks (20) are matched with the sliding grooves (19), the sliding blocks (20) are connected with the sliding grooves (19) in a sliding mode, and the round tube (18) is connected with the cylinder (2) in a sliding mode.

5. The suspended ceiling cutting device for the fully-mechanized coal mining face of claim 4, wherein a transmission belt (17) is sleeved on the outer wall of the top end of the round tube (18), an output shaft of a second motor (16) is arranged at one end, far away from the round tube (18), of the transmission belt (17), and the output shaft of the second motor (16) is fixedly connected with a reciprocating screw rod (23).

6. The suspended ceiling cutting device for the fully-mechanized coal mining face of claim 5, wherein the reciprocating screw rod (23) penetrates through the first mounting plate (1), threads matched with the reciprocating screw rod (23) are arranged on the first mounting plate (1), the reciprocating screw rod (23) is in threaded connection with the first mounting plate (1), a third mounting plate (21) is fixedly arranged on the first side of the second motor (16), a limiting rod (22) is fixedly arranged at the top of one end of the third mounting plate (21), the limiting rod (22) penetrates through the first mounting plate (1) in a sliding mode, and the bottom of the round tube (18) is fixedly connected with the third mounting plate (21).