CN212837895U

CN212837895U - Supporting device of fully mechanized coal mining face for coal mine

Info

Publication number: CN212837895U
Application number: CN202021329002.2U
Authority: CN
Inventors: 姜波; 胡瀚超; 徐兴思; 董春雨; 张国清
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-30
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a colliery is with combining supporting device who adopts working face belongs to combine and adopts working face technical field, including a support a, a support a includes bottom plate, stand and base, the stand is installed to base top both sides, the stand top can be dismantled and be connected with the bottom plate, the bottom plate upper surface bonds there is the carbon fiber board, the carbon fiber board surface is connected with the peek board, the peek board surface can be dismantled and be connected with the wire netting, the telescopic link is installed to the base both sides, the spout has been seted up to the base bottom, sliding connection has the diaphragm in the spout. The carbon fiber plate, the peek plate and the wire netting are connected to the surface of the bottom plate at the top end of the support frame, the carbon fiber plate, the peek plate and the wire netting are matched with each other, so that the overall strength of the bottom plate can be enhanced, the supporting force is strong, and the service life is long; after the position of the support frame is fixed, the telescopic rod drives the transverse plate to move downwards to increase the friction force between the transverse plate and the ground, and the support frame is prevented from sliding in the supporting process.

Description

Supporting device of fully mechanized coal mining face for coal mine

Technical Field

The utility model relates to a combine and adopt working face technical field, especially relate to a colliery is with combining supporting device who adopts working face.

Background

The fully mechanized coal mining face is called a comprehensive mechanized coal mining face. The mining working face is provided with a hydraulic support, a high-power scraper conveyor and a double-drum coal mining machine. The working procedures of the method comprise the steps of breaking coal, loading coal, transporting coal, supporting, processing a goaf, specially supporting two ends and the like, and are mostly mechanized. The coal mining method is a strike longwall end beveling feed mode, and certainly, a few inclined longwall coal mining modes are also available, and specifically the method comprises the following steps: when the double-roller coal cutter cuts coal, the upper roller cuts top coal, the lower roller cuts bottom coal, and when the double-roller coal cutter cuts coal, the lower roller cuts bottom coal, and the upper roller cuts top coal.

Patent No. CN 111042848A discloses a combine and adopt working face haulage roadway advance support device, combine and adopt working face haulage roadway advance support hydraulic support supporting device for, have that the support height is high, the supporting force is big, the support area is big, the specific pressure is little to the end, have from moving the function, easy and simple to handle, high security and strong adaptability etc. outstanding advantage, can be fine solution combine and adopt a series of problems that working face haulage roadway advance support used monomer hydraulic prop supporting technology to exist.

The fully mechanized mining face in the prior art has the following defects: 1. the upper bottom plate of the supporting device supports the fully mechanized coal mining face, the strength of the bottom plate is low, and the bottom plate is easy to break after long-time use; 2. the supporting device supports the fully mechanized coal mining face, after the supporting device is moved for many times, the supporting device is not tightly connected with the ground, is easy to slide and incline, and threatens the life safety of people.

SUMMERY OF THE UTILITY MODEL

The utility model provides a supporting device of a fully mechanized coal mining face for a coal mine, wherein a carbon fiber plate, a peek plate and a wire netting are connected on the surface of a bottom plate at the top end of a supporting frame, the carbon fiber plate, the peek plate and the wire netting are mutually matched to enhance the overall strength of the bottom plate, and the supporting device has strong supporting force and long service life; after the position of the support frame is fixed, the telescopic rod drives the transverse plate to move downwards to increase the friction force between the transverse plate and the ground, and the support frame is prevented from sliding in the supporting process.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of support device of working face is adopted with combining in colliery, including a support frame a, a support frame a includes bottom plate, stand and base, the stand is installed to base top both sides, the stand top can be dismantled and be connected with the bottom plate, the bottom plate upper surface bonds there is the carbon fiber board, carbon fiber board surface connection has the peek board, the peek board surface can be dismantled and is connected with the wire netting, the telescopic link is installed to the base both sides, the spout has been seted up to the base bottom, sliding connection has the diaphragm in the spout, the telescopic link bottom runs through base and telescopic link bottom can be dismantled and be connected with the diaphragm, the welding of diaphragm bottom both sides has the fixed anchor, the tooth's socket has been seted up to the diaphragm bottom, the base bottom bonds there is the skid.

Optionally, the support frame a is located below the working surface, the support frame a is located on the left side of the support frame b, and the support frame b is located on the left side of the support frame c.

Optionally, the bottom of the bottom plate is fixedly connected with a vertical plate a, the vertical plate a is detachably connected with an inclined rod a, and the inclined rod a is connected with an inclined rod b.

Optionally, the bottom of the diagonal rod b is detachably connected with a vertical plate b, the vertical plate b is fixedly connected with a base, and the diagonal rod b is connected with the diagonal rod a through a damping spring.

Optionally, hydraulic cylinders are installed on the left sides of the support frame b and the support frame c, and the current input ends of the telescopic rods and the hydraulic cylinders are electrically connected with an external power supply through wires.

The utility model has the advantages as follows:

the embodiment of the utility model provides a colliery is with combining supporting device who adopts working face:

1. the carbon fiber plate, the peek plate and the wire netting are connected to the surface of the bottom plate at the top end of the support frame, the carbon fiber plate, the peek plate and the wire netting are matched with each other, so that the overall strength of the bottom plate can be enhanced, the supporting force is strong, and the service life is long; the carbon fiber plate, peek board and wire netting have been connected gradually to the bottom plate upper surface, the tensile strength of carbon fiber plate is more than the several times of ordinary steel, elastic modulus is superior to steel, excellent creep resistance has, shock resistance and shock resistance, carbon fiber plate intensity is high, the quality is 1/5 only of steel, there is higher toughness, the reinforcement effect is good, peek board comprises the linear aromatic macromolecular compound who contains the chain link in the molecule main chain, it is high to have mechanical strength, high temperature resistant, shock-resistant, wear-resisting, performances such as fatigue resistance, the wire netting is on peek board surface, network structure has, tensile strength is strong, carbon fiber plate, peek board and wire netting cooperation are connected and can improve bottom plate bulk strength on the bottom plate surface, improve the whole holding power of support frame promptly, long service life.

2. After the position of the support frame is fixed, the telescopic rod drives the transverse plate to move downwards to increase the friction force between the transverse plate and the ground, so that the support frame is prevented from sliding in the supporting process; the telescopic link of base both sides installation behind support frame position removal and suitable position starts, the telescopic link extends after the circular telegram and drives the diaphragm of bottom and follow the spout lapse on the base, the diaphragm lasts the fixed anchor of the in-process diaphragm bottom both sides of sliding downwards and contacts with ground earlier, the diaphragm lasts and moves down to drive the fixed anchor and insert and fix the diaphragm position in the ground, diaphragm bottom and ground contact simultaneously, the tooth's socket has been seted up to the diaphragm bottom, the frictional force between diaphragm and ground can be increased to the tooth's socket, increase the frictional force between base and ground, the skid resistant course of pasting bottom the base contacts with the frictional force between increase ground and base with ground, the diaphragm moves down and drives fixed anchor and inserts ground and tooth's socket and ground contact increase friction, can avoid the support frame to slide after fixed and cause and support the.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a supporting device of a fully mechanized coal mining face for a coal mine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a support frame of a support device of a fully mechanized coal mining face for a coal mine according to an embodiment of the present invention;

fig. 3 is the embodiment of the utility model discloses a colliery is with combining anti-skidding subassembly of supporting device who adopts working face.

In the figure: 1. a working surface; 2. a support frame a; 3. an inclined rod a; 4. a vertical plate a; 5. a column; 6. a support frame b; 7. a damping spring; 8. a support frame c; 9. a telescopic rod; 10. a vertical plate b; 11. an inclined rod b; 12. a roller; 13. a hydraulic cylinder; 14. a wire mesh; 15. a peek board; 16. a carbon fiber sheet; 17. a base plate; 18. a base; 19. an anti-slip layer; 20. a transverse plate; 21. a chute; 22. a tooth socket; 23. and (6) fixing the anchor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A supporting device for a fully mechanized coal mining face according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1 to 3, the support device for a fully mechanized coal mining face provided by the embodiment of the present invention includes a support frame a2, the support frame a2 includes a bottom plate 17, a column 5 and a base 18, the column 5 is installed on two sides of the top end of the base 18, the top end of the column 5 is detachably connected with the bottom plate 17, a carbon fiber plate 16 is bonded on the upper surface of the bottom plate 17, a peek plate 15 is connected on the surface of the carbon fiber plate 16, a wire netting 14 is detachably connected on the surface of the peek plate 15, telescopic rods 9 are installed on two sides of the base 18, a sliding groove 21 is formed on the bottom of the base 18, a transverse plate 20 is slidably connected in the sliding groove 21, the bottom of the telescopic rod 9 penetrates through the base 18 and the bottom of the telescopic rod 9 is detachably connected with the transverse plate 20, fixing anchors 23 are welded on two sides of the bottom end of the transverse plate 20, tooth, the rollers 12 are connected to both sides of the base 18.

Illustratively, a carbon fiber plate 16, a peek plate 15 and a wire mesh 14 are connected to the surface of the bottom plate 17, the carbon fiber plate 16 and the peek plate 15 have high strength to improve the overall strength of the bottom plate 17, the peek plate 15 is made of polyetheretherketone, which is a linear aromatic polymer compound with chain links in a molecular main chain, the carbon fiber plate 16 is a carbon fiber plate formed by infiltrating and hardening carbon fibers arranged in the same direction with resin, the anti-slip layer 19 is made of rubber particles, the fine rubber particles can increase the friction force between the base 18 and the ground to prevent the base 18 from sliding, the hydraulic cylinder 13 comprises a push rod, a piston and a cylinder body, the cylinder body is connected with the piston in a sliding manner, the push rod is fixed at the top end of the piston, the cylinder body is sealed in the cylinder body, the piston is pushed to move upwards after oil enters the cylinder body, the top end of the piston is connected with the, the motor is started to drive the gear box internal gear to operate, so that the inner pipe slides out of the outer pipe to push the transverse plate 20 to move downwards.

Referring to fig. 1, the supporting frame a2 is located below the work surface 1, the supporting frame a2 is located at the left side of the supporting frame b6, and the supporting frame b6 is located at the left side of the supporting frame c 8.

For example, a support frame a2, a support frame b6 and a support frame c8 all provide support for the working surface 1, the right side of the support frame a2 is connected with the support frame b6 through a hydraulic cylinder 13, and the hydraulic cylinder 13 stretches and retracts to drive the support frame a2 to move left and right.

Referring to fig. 1, a vertical plate a4 is fixedly connected to the bottom of the bottom plate 17, an inclined rod a3 is detachably connected to the vertical plate a4, and an inclined rod b11 is connected to the inclined rod a 3.

For example, the bottom plate 17 provides support for a riser a4, the plug rod a penetrates through the riser a4 and the oblique rod a3 to fix the top end of the oblique rod a3, and the oblique rod a3 can rotate around the riser a4 by a certain angle by taking the plug rod a as an axis.

Referring to fig. 1, a vertical plate b10 is detachably connected to the bottom of the oblique rod b11, a base 18 is fixedly connected to the vertical plate b10, and the oblique rod b11 is connected with the oblique rod a3 through a damping spring 7.

Illustratively, the base 18 provides support for a vertical plate b10, an insert rod b penetrates through the vertical plate b10 and an inclined rod b11 to fix the bottom of an inclined rod b11, the inclined rod b11 can rotate around the vertical plate b10 for a certain angle by taking the insert rod b as an axis, and two ends of the damping spring 7 are respectively connected with an inclined rod a3 and an inclined rod b11 to damp vibration.

Referring to fig. 1, hydraulic cylinders 13 are installed on the left sides of the support frame b6 and the support frame c8, and the current input ends of the telescopic rod 9 and the hydraulic cylinders 13 are electrically connected with an external power supply through wires.

For example, the hydraulic cylinder 13 is respectively installed on the left sides of the support frame b6 and the support frame c8, the support frame a2 and the support frame b6 can be respectively driven to move left and right, and an external power supply respectively provides power for the telescopic rod 9 and the hydraulic cylinder 13.

When the coal mining machine is used, an external power supply supplies power, a starting button is pressed, the coal is dug for a certain distance, the upright posts 5 on the two sides of the bottom end of the bottom plate 17 on the rear support a2 are shortened to drive the bottom plate 17 to move downwards, the bottom plate 17 moves downwards to drive the inclined rod a3 to move downwards, the inclined rod a3 rotates for a certain angle along the vertical plate a4, the bottom end of the inclined rod a3 is connected with the inclined rod b11, the inclined rod b11 rotates for a certain angle along the vertical plate b10, the distance between the inclined rod a3 and the inclined rod b11 is gradually shortened in the continuous downward movement process of the bottom plate 17, the damping spring 7 connected with the inclined rod a3 and the inclined rod b11 is gradually compressed, the damping spring 7 wants to restore the outward acting force of the inclined plate to counteract the downward force of the upright posts 5 to drive the bottom plate 17 to move downwards, so that the bottom plate 17 can be stably moved downwards, the bottom plate 17 moves downwards, the hydraulic cylinder 13 connected with the right side of the rear support a2 moves downwards for a certain distance extends to drive the support a2 to integrally move left, after moving a certain length to the left, the hydraulic cylinder 13 stops working, the upright post 5 extends to drive the bottom plate 17 to move upwards to contact with the working surface 1 for supporting and protecting, the position of the support frame a2 moves and the telescopic rods 9 arranged at the two sides of the base 18 are started after the proper position, the model of the telescopic rods 9 is XTL50, the telescopic rods 9 extend to drive the transverse plate 20 at the bottom end to slide downwards along the upper sliding grooves 21 of the base 18 after being electrified, the fixed anchors 23 at the two sides of the bottom end of the transverse plate 20 are firstly contacted with the ground in the continuous downward sliding process of the transverse plate 20, the transverse plate 20 continuously moves downwards to drive the fixed anchors 23 to be inserted into the ground to fix the position of the transverse plate 20, meanwhile, the bottom of the transverse plate 20 is contacted with the ground, the bottom of the transverse plate 20 is provided with tooth grooves 22, the tooth grooves 22 can increase the friction force between the transverse plate 20 and the, the transverse plate 20 moves downwards to drive the fixed anchor 23 to be inserted into the ground, the tooth grooves 22 are in contact with the ground to increase friction, the phenomenon that the supporting frame a2 slides after being fixed can be avoided, the supporting frame a2 fixes the position of the rear supporting frame b6, the upper upright post 5 shortens to drive the bottom plate 17 to move downwards to be far away from the working surface 1, the hydraulic cylinder 13 arranged on the left side of the supporting frame b6 shortens while the hydraulic cylinder 13 connected with the right side of the supporting frame b6 extends synchronously, the supporting frame b6 moves leftwards for a certain distance, the moving length is equal to the moving length of the supporting frame a2, the supporting frame b6 fixes the position of the rear upright post 5 to extend to drive the top end bottom plate 17 to abut against the working surface 1, the same reason that the supporting frame c8 moves leftwards for the same distance, the upper surface of the bottom plate 17 is sequentially connected with the carbon fiber plate 16, the peek plate 15 and the wire netting 14, the tensile strength of, the carbon fiber plate 16 is high in strength, the quality is only 1/5 of steel, the high toughness is achieved, the reinforcing effect is good, the peek plate 15 is made of linear aromatic high polymer compounds with chain links in molecular main chains, the mechanical strength is high, the high temperature resistance, the impact resistance, the wear resistance, the fatigue resistance and the like are achieved, the wire netting 14 is arranged on the surface of the peek plate 15 and has a net structure and high tensile strength, the carbon fiber plate 16, the peek plate 15 and the wire netting 14 are connected to the surface of the bottom plate 17 in a matched mode, the overall strength of the bottom plate 17 can be improved, and the overall supporting force of the support frame is improved to support the working face 1.

The utility model relates to a supporting device of a fully mechanized coal mining face for coal mine, which comprises a working face 1; 2. a support frame a; 3. an inclined rod a; 4. a vertical plate a; 5. a column; 6. a support frame b; 7. a damping spring; 8. a support frame c; 9. a telescopic rod; 10. a vertical plate b; 11. an inclined rod b; 12. a roller; 13. a hydraulic cylinder; 14. a wire mesh; 15. a peek board; 16. a carbon fiber sheet; 17. a base plate; 18. A base; 19. an anti-slip layer; 20. a transverse plate; 21. a chute; 22. a tooth socket; 23. the anchors, the components are all universal standard parts or components known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a supporting device of coal mine fully mechanized coal mining face, includes a support a (2), its characterized in that, support a (2) includes bottom plate (17), stand (5) and base (18), stand (5) are installed to base (18) top both sides, stand (5) top can be dismantled and be connected with bottom plate (17), bottom plate (17) upper surface bonds has carbon fiber board (16), carbon fiber board (16) surface is connected with peek board (15), peek board (15) surface can be dismantled and be connected with wire netting (14), telescopic link (9) are installed to base (18) both sides, spout (21) have been seted up to base (18) bottom, sliding connection has diaphragm (20) in spout (21), telescopic link (9) bottom runs through base (18) and telescopic link (9) bottom can be dismantled and be connected with diaphragm (20), the welding of diaphragm (20) bottom both sides has set anchor (23), tooth's socket (22) have been seted up to diaphragm (20) bottom, base (18) bottom bonding has skid resistant course (19), base (18) both sides are connected with gyro wheel (12).

2. The support device for the fully mechanized coal mining face of the coal mine according to claim 1, wherein the support frame a (2) is located below the face (1), the support frame a (2) is located on the left side of a support frame b (6), and the support frame b (6) is located on the left side of a support frame c (8).

3. The supporting device for the fully mechanized coal mining face of the coal mine according to claim 1, wherein a vertical plate a (4) is fixedly connected to the bottom of the bottom plate (17), an inclined rod a (3) is detachably connected to the vertical plate a (4), and an inclined rod b (11) is connected to the inclined rod a (3).

4. The support device for the fully mechanized coal mining face of the coal mine according to claim 3, wherein a vertical plate b (10) is detachably connected to the bottom of the inclined rod b (11), the vertical plate b (10) is fixedly connected with a base (18), and the inclined rod b (11) is connected with the inclined rod a (3) through a damping spring (7).

5. The supporting device for the fully mechanized mining face of the coal mine according to claim 2, wherein hydraulic cylinders (13) are installed on the left sides of the supporting frame b (6) and the supporting frame c (8), and current input ends of the telescopic rods (9) and the hydraulic cylinders (13) are electrically connected with an external power supply through wires.