Four-arm dig-anchor machine for coal mine

Abstract

The utility model discloses a four-arm driving anchor machine for a coal mine, and relates to the field of four-arm driving anchor machines for the coal mine, and the four-arm driving anchor machine comprises a cutting part, a shovel plate part, a temporary support, a body part, a hydraulic system, an anchor protection part, a walking part, a rear support, a first conveyor, an electrical system and the like. The anchor protection part extends forwards to the front end of a roadway, the first conveyor is hinged to the shovel plate through the middle of the body part, and the hydraulic system and the electrical system are installed on the body part and other components, move synchronously with the rotating main shaft and serve as the sealing contact face of the rotating oil seal. The bolting machine extends forwards to the front end of the digging and bolting machine through a sliding rail telescopic oil cylinder and a gear and rack mechanism to carry out anchor rod supporting work, supporting work of roadway anchor rods and anchor cables is completed through adjustment of all actions, parallel supporting work of two rows of anchor rods can be achieved, manual operation of workers is not needed, labor intensity is reduced, and anchor protection efficiency is improved. Therefore, the working safety can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of four-arm tunneling and anchoring machines for coal mines, in particular to a four-arm tunneling and anchoring machine for coal mine tunnels and a tunneling and anchoring method thereof, and belongs to the range of tunnel anchoring equipment for coal mines. BACKGROUND

[0002] A coal mine is an area where coal resources are mined in a coal-rich mining area. It is usually divided into underground coal mines and open-pit coal mines. Underground coal mines are suitable for areas where coal seams are far from the ground surface and are mined by excavating tunnels underground. Open-pit coal mines are suitable for areas where coal seams are close to the ground surface and directly remove the surface soil layer to mine coal.

[0003] At present, the underground tunneling operation of coal mines has been mechanized, but the tunnel anchor rod supporting operation still relies on manual operation, and through manual operation, the labor intensity of the workers is large and the anchor support efficiency is low, and there are dangerous factors such as working in the empty top area, which seriously threatens the safety of the workers and has great safety hazards. CONTENT OF THE INVENTION

[0004] In order to improve the safety of the workers, the present application provides a four-arm tunneling and anchoring machine for coal mines.

[0005] The four-arm tunneling and anchoring machine for coal mines provided by the present application adopts the following technical solution: a four-arm tunneling and anchoring machine for coal mines, comprising a cutting part, a shovel plate part, a temporary support, a body part, a hydraulic system, an anchor support part, a walking part, a rear support, a first conveyor, an electrical system, etc.

[0006] The body part is a mounting carrier, and the other components are directly or indirectly mounted on it. The cutting part is hingedly mounted on the mounting ear seat above the body part. The shovel plate part is mounted on the mounting ear seat below the body part and is pushed up and down by the shovel plate lifting oil cylinder. The walking part is fixed by bolts on both sides of the body part. The temporary support is installed above the cutting part. The anchor support part is installed above the walking part and on both sides of the body part, and the front of the anchor support part extends to the front end of the tunnel.

[0007] By adopting the above technical solution, through the adjustment of each action, the supporting operation of the tunnel anchor rod and anchor cable is completed, so that two rows of anchor rods can be supported in parallel, and the workers do not need to manually operate, thereby reducing the labor intensity and improving the anchor support efficiency, and thus the safety during work can be improved.

[0008] Preferably, the anchor support part is composed of a left anchor machine part and a right anchor machine part formed by a right front anchor rod machine, a left front anchor rod machine, a right rear anchor rod machine, and a left rear anchor rod machine. Each of the left and right anchor machine parts is composed of a mounting base assembly, a sliding carriage assembly, a front anchor rod drill assembly, and a rear anchor rod drill assembly.

[0009] By adopting the technical scheme, the sliding frame assembly is arranged to assist the installation of the driving device.

[0010] Preferably, the anchor protection part is provided with a front anchor rod drilling machine and a rear anchor rod drilling machine, and the front anchor rod drilling machine and the rear anchor rod drilling machine are respectively provided with a sliding rail telescopic oil cylinder and a gear and rack mechanism for driving.

[0011] By adopting the technical scheme, the anchor rod drilling machine is extended to the front end of the anchor drilling machine through the sliding rail telescopic oil cylinder and the gear and rack mechanism.

[0012] Preferably, the anchor protection part further comprises an anchor rod installation trolley, an anchor machine rotary swing cylinder, an anchor machine swing swing cylinder, a trolley body, a front valve box assembly and a telescopic cylinder assembly.

[0013] By adopting the technical scheme, the anchor rod installation trolley is arranged to assist the installation.

[0014] Preferably, the front anchor rod drilling machine on the anchor protection part is respectively provided with a main arm telescopic oil cylinder, a main arm lifting oil cylinder and a leveling oil cylinder for driving the front and rear telescoping.

[0015] By adopting the technical scheme, the anchor rod drilling machine is adjusted to be perpendicular to the roof by the leveling oil cylinder, and the anchor rod drilling machine is fine-tuned to the eye position by the anchor machine swing swing cylinder.

[0016] Preferably, the rear anchor rod drilling machine on the anchor protection part is respectively provided with a rotary frame, a rear valve box assembly, a rear anchor machine swing frame, a rear anchor machine rotary swing cylinder, a rear anchor machine lifting cylinder assembly, a rear anchor machine lifting oil cylinder, a sliding rail, a rear anchor machine rotary accelerator and a rear anchor machine swing oil cylinder.

[0017] By adopting the technical scheme, the anchor rod drilling machine is adjusted to be rotated to the horizontal anchor protection by the anchor machine rotary swing cylinder, and the rear anchor machine lifting cylinder assembly is swung forward and backward by the rear anchor machine swing oil cylinder.

[0018] Preferably, the sliding rail telescopic oil cylinder and the gear and rack mechanism are respectively provided with an oil cylinder ear seat and a mounting frame base for assisting the installation, and the bottom of the mounting frame base is fixedly provided with a plurality of supports.

[0019] By adopting the technical scheme, the oil cylinder ear seat is arranged to assist the installation.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1.The application adopts the cooperation of the anchor protection part, etc., extends the anchor protection part to the front end of the roadway, the first conveyor is installed on the shovel plate through the middle articulated body part, the hydraulic system and the electrical system are installed in the body part and other components and rotate with the main shaft, which is used as the sealing contact surface of the rotary oil seal, after the roadheader completes the cutting work, the anchor rod machine extends to the front end of the anchor machine through the slide rail telescopic oil cylinder and the gear rack mechanism, and performs anchor support work, through the adjustment of each action, the support work of the roadway anchor rod and anchor cable is completed, so that two rows of anchor rods can be parallel supported, and then the staff does not need to manually operate, reduces the labor intensity and improves the anchor protection efficiency, and thus the safety during work can be improved.

[0022] 2.The application adopts the cooperation of the anchor machine swing cylinder, etc., adjusts the anchor rod machine eye position through the anchor machine swing cylinder, adjusts the anchor rod machine rotation to the horizontal anchor support through the anchor machine rotary swing cylinder, adjusts the left and right rotation of the rear anchor machine lifting cylinder assembly through the rear anchor machine swing oil cylinder, and adjusts the left and right rotation of the rear anchor machine lifting cylinder assembly through the rear anchor machine rotary accelerator, so that the working efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic diagram of a four-arm roadheader for coal mine according to an embodiment of the application;

[0024] Figure 2 It is a schematic diagram of the anchor rod support structure according to an embodiment of the application;

[0025] Figure 3 It is an explosion schematic diagram of the anchor rod support structure according to an embodiment of the application;

[0026] Figure 4 It is a local enlarged schematic diagram of the anchor rod support structure according to an embodiment of the application.

[0027] Reference: 1, cutting part; 2, shovel plate part; 3, temporary support; 4, body part; 5, hydraulic system; 6, anchor protection part; 7, walking part; 8, rear support; 9, first conveyor; 10, electrical system; 11, right front anchor rod machine; 12, left front anchor rod machine; 13, right rear anchor rod machine; 14, left rear anchor rod machine; 15, anchor rod installation turret; 16, anchor machine rotary swing cylinder; 17, anchor machine swing swing cylinder; 18, turret body; 19, front valve box assembly; 20, telescopic cylinder assembly; 21, main arm telescopic oil cylinder; 22, slewing frame; 23, rear valve box assembly; 24, carriage assembly; 25, rear anchor machine swing frame; 26, rear anchor machine rotary swing cylinder; 27, rear anchor machine lifting cylinder assembly; 28, rear anchor machine lifting oil cylinder; 29, slide rail; 30, rack and pinion mechanism; 31, slide rail telescopic oil cylinder; 32, oil cylinder ear seat; 33, mounting frame body base; 34, support; 35, rear anchor machine slewing accelerator; 36, rear anchor machine swing oil cylinder; 37, main arm lifting oil cylinder; 38, leveling oil cylinder; 39, mounting base assembly. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The present application is further described in detail.

[0029] The embodiment of the present application discloses a four-arm tunneling and anchoring machine for coal mine.

[0030] Referring to Figures 1-3 A four-arm tunneling and anchoring machine for coal mine comprises an anchor rod supporting mechanism and a driving mechanism arranged on the anchor rod supporting mechanism.

[0031] Among them, the anchor rod supporting mechanism comprises a cutting part 1, a shovel plate part 2, a temporary support 3, a body part 4, a hydraulic system 5, an anchor protection part 6, a walking part 7, a rear support 8, a first conveyor 9, an electrical system 10, etc., the body part 4 is a mounting carrier, and the remaining parts are directly or indirectly mounted thereon, the cutting part 1 is hingedly mounted on the mounting ear seat above the body part 4, the shovel plate part 2 is mounted on the mounting ear seat below the body part 4, the shovel plate part 2 is pushed up and down by the shovel plate lifting oil cylinder, the walking part 7 is fixed by bolts on both sides of the body part 4, the temporary support 3 is mounted above the cutting part 1, the anchor protection part 6 is mounted above the walking part 7 and on both sides of the body part 4, and the anchor protection part 6 extends to the front end of the roadway.

[0032] Among them, the anchor rod supporting mechanism further comprises a left anchor machine part and a right anchor machine part formed by the anchor protection part 6 through the right front anchor rod machine 11, the left front anchor rod machine 12, the right rear anchor rod machine 13, and the left rear anchor rod machine 14, both sides of the anchor machine part are composed of the mounting base assembly 39, the carriage assembly 24, the front anchor rod drill machine assembly, and the rear anchor rod drill machine assembly, the anchor protection part 6 is provided with the front anchor rod drill machine and the rear anchor rod drill machine, and the front anchor rod drill machine and the rear anchor rod drill machine are both provided with the slide rail telescopic oil cylinder 31 and the rack and pinion mechanism 30 for driving.

[0033] In use, the anchor rod machine is extended forward to the front end of the anchor rod machine through the slide rail telescopic cylinder 31 and the gear rack mechanism 30, and performs anchor rod support work. Through each action adjustment, the support work of the roadway anchor rod and anchor cable is completed, so that two rows of anchor rods can be supported in parallel, and manual operation by workers is not required, labor intensity is reduced, and anchor support efficiency is improved, thereby improving safety during work.

[0034] Referring to Figures 2-4 , the driving mechanism includes an anchor rod installation trolley 15, an anchor machine rotary swing cylinder 16, an anchor machine swing swing cylinder 17, a trolley body 18, a front valve box assembly 19, and a telescopic cylinder assembly 20 arranged on the anchor support part 6, and the front anchor rod drilling machine on the anchor support part 6 is respectively provided with a main arm telescopic cylinder 21 for driving forward and backward telescoping, a main arm lifting cylinder 37, a leveling cylinder 38, a rotary frame 22, a rear valve box assembly 23, a rear anchor machine swing frame 25, a rear anchor machine rotary swing cylinder 26, a rear anchor machine lifting cylinder assembly 27, a rear anchor machine lifting cylinder 28, a slide rail 29, a rear anchor machine rotary accelerator 35, a rear anchor machine swing cylinder 36, a slide rail telescopic cylinder 31, and a gear rack mechanism 30, and the slide rail telescopic cylinder 31 and the gear rack mechanism 30 are respectively provided with a cylinder ear seat 32 for auxiliary installation, and an installation frame base 33 is arranged on the bottom of the anchor support part 6.

[0035] In use, the left front anchor rod machine 12 is pushed forward by the main arm telescopic cylinder 21, the left front anchor rod machine 12 is pushed up and down by the main arm lifting cylinder 37, the left front anchor rod machine 12 is swung left and right by the rear anchor machine swing cylinder 36, the anchor rod machine is adjusted vertically to the roof by the leveling cylinder 38, the anchor rod machine is fine-tuned to the eye position by the anchor machine swing cylinder 17, the anchor rod machine is adjusted to be horizontal by the anchor machine rotary swing cylinder 16, the rear anchor machine lifting cylinder assembly 27 is swung forward and backward by the rear anchor machine swing cylinder 36, the rear anchor machine lifting cylinder assembly 27 is adjusted to rotate left and right by the rear anchor machine rotary accelerator 35, the left rear anchor rod machine 14 is pushed up and down by the rear anchor machine lifting cylinder 28, and the rear anchor rod machine is pushed left and right by the rear anchor machine rotary swing cylinder 26.

[0036] The implementation principle of the four-arm tunneling and anchoring machine for coal mines is as follows: in use, the body part 4 is a mounting carrier, and the other parts are directly or indirectly mounted on the body part 4; the cutting part 1 is hingedly mounted on the upper mounting lug of the body part 4, and can swing up and down relative to the body part 4 or rotate left and right on the body part 4; the shovel plate part 2 is mounted on the lower mounting lug of the body part 4, and is pushed up and down by the shovel plate lifting oil cylinder to swing up and down; the walking part 7 is fixed on the two sides of the body part 4 by bolts, and is driven by the walking reducer driven by the hydraulic motor to walk forward and backward, thereby driving the whole machine to walk forward and backward; the temporary support 3 is mounted on the cutting part 1, and is adjusted by each action to realize the temporary support of the empty roof above the cutting head; the anchor protection part 6 is mounted on the walking part 7 and the two sides of the body part 4, and is extended to the front end of the tunnel after the tunneling machine completes the work; the first conveyor 9 is hingedly mounted on the shovel plate through the middle of the body part 4; the hydraulic system 5 and the electrical system 10 are mounted on the body part 4 and other parts, and are synchronously moved with the rotating main shaft to serve as the sealing contact surface of the rotating oil seal; after the tunneling machine completes the cutting work, the anchor rod machine is extended to the front end of the tunneling machine through the slide rail telescopic oil cylinder 31 and the gear and rack mechanism 30 to perform the anchor rod support work, and the support work of the anchor rod and the anchor cable is completed through the adjustment of each action, so that the parallel support work of two rows of anchor rods can be realized, and manual operation of the workers is not needed, the labor intensity is reduced, the anchor protection efficiency is improved, and the safety during work is improved.

[0037] The anchor protection part 6 is pushed forward by the slide rail telescopic oil cylinder 31, the slide rail 29 is moved forward by the gear and rack mechanism 30, the left front anchor rod machine 12 is moved forward by the main arm telescopic oil cylinder 21, the left front anchor rod machine 12 is moved up and down by the main arm lifting oil cylinder 37, the left front anchor rod machine 12 is swung left and right by the rear anchor machine swinging oil cylinder 36, the anchor rod machine is adjusted to be vertical to the roof by the leveling oil cylinder 38, the anchor rod machine is finely adjusted to find the eye position by the anchor machine swinging cylinder 17, the anchor rod machine is adjusted to be horizontal to the anchor protection by the anchor machine rotating cylinder 16, the rear anchor machine lifting cylinder assembly 27 is swung forward and backward by the rear anchor machine swinging oil cylinder 36, the rear anchor machine lifting cylinder assembly 27 is rotated left and right by the rear anchor machine rotating accelerator 35, the left rear anchor rod machine 14 is lifted up and down by the rear anchor machine lifting oil cylinder 28, and the left rear anchor rod machine 14 is rotated left and right by the rear anchor machine rotating cylinder 26.

[0038] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A four-arm mining excavating and anchoring machine, comprising a cutting part (1), a shovel plate part (2), a temporary support (3), a body part (4), a hydraulic system (5), an anchor protection part (6), a walking part (7), a rear support (8), a first conveyor (9), and an electrical system (10), characterized in that: the body part (4) is a mounting carrier, and the other parts are directly or indirectly mounted thereon; the cutting part (1) is hingedly mounted on an upper mounting lug of the body part (4); the shovel plate part (2) is mounted on a lower mounting lug of the body part (4) and is pushed up and down by a shovel plate lifting cylinder; the walking part (7) is fixedly mounted on both sides of the body part (4) by bolts; the temporary support (3) is mounted above the cutting part (1); and the anchor protection part (6) is mounted above the walking part (7) and on both sides of the body part (4) and extends to the front end of the roadway. The anchor protection part (6) is composed of left and right anchor machine parts formed by right front anchor rod machines (11), left front anchor rod machines (12), right rear anchor rod machines (13), and left rear anchor rod machines (14), and each anchor machine part is composed of a mounting base assembly (39), a carriage assembly (24), a front anchor rod drilling machine assembly, and a rear anchor rod drilling machine assembly.

2. The four-arm mining and bolting machine for coal mines according to claim 1, characterized in that: The anchor protection part (6) is provided with front and rear anchor rod drilling machines, and each of the front and rear anchor rod drilling machines is provided with a slide rail telescopic cylinder (31) and a gear rack mechanism (30) for driving.

3. A four-boomed mining machine according to claim 2, characterised in that: The anchor protection part (6) further comprises anchor rod mounting turrets (15), anchor machine rotary swing cylinders (16), anchor machine swing cylinders (17), turret bodies (18), front valve box assemblies (19), and telescopic cylinder assemblies (20).

4. The four-boomed excavating and bolting machine for coal mines according to claim 2, characterized in that: The front anchor rod drilling machine on the anchor protection part (6) is respectively provided with a main arm telescopic cylinder (21) for driving forward and backward telescoping, a main arm lifting cylinder (37), and a leveling cylinder (38).

5. The four-boomed excavating and bolting machine for coal mines according to claim 2, characterized in that: The rear anchor rod drilling machine on the anchor protection part (6) is respectively provided with a rotary frame (22), a rear valve box assembly (23), a rear anchor machine swing frame (25), a rear anchor machine rotary swing cylinder (26), a rear anchor machine lifting cylinder assembly (27), a rear anchor machine lifting cylinder (28), a slide rail (29), a rear anchor machine rotary accelerator (35), and a rear anchor machine swing cylinder (36).

6. The four-boomed excavating and bolting machine for coal mines according to claim 2, characterized in that: The slide rail telescopic cylinder (31) and the gear rack mechanism (30) are respectively provided with cylinder lugs (32) and mounting frame bases (33) for auxiliary installation, and the mounting frame bases (33) are fixedly mounted with a plurality of supports (34) at the bottom.

7. The four-boomed excavating and bolting machine for coal mines according to claim 3, characterized in that: ​

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