Five-arm anchor rod transferring device for coal mine

Abstract

The utility model aims to disclose a five-arm anchor rod transfer device for a coal mine, and relates to the technical field of coal mine tunnel construction. Comprising a chassis, a receiving hopper, a conveying belt, side anchor rod assemblies arranged on the two sides of the receiving hopper correspondingly, a first top anchor rod assembly arranged at the front end of the chassis and second top anchor rod assemblies arranged on the two sides of the rear end of the chassis correspondingly. The first top anchor rod assembly is provided with a transverse moving assembly, and the first top anchor rod assembly conducts anchor rod operation on the middle range of the top of the roadway; the second top anchor rod assembly carries out anchor rod operation in the range of the two sides of the top of the roadway; the side anchor rod assembly performs anchor rod operation in the side range of the roadway, and has the beneficial effects that the three rows of drill arms are arranged and sequentially comprise the side anchor rod assembly, the first top anchor rod assembly and the second top anchor rod assembly from front to back, so that an area which is prone to falling off is anchored and protected firstly, and the area which is prone to falling off is protected; and the balance of efficiency and safety between the side anchor and the top anchor is integrally realized.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine tunnel construction, in particular to a five-arm anchor transfer device for coal mines. Background Art

[0002] Coal transfer is a way to transport the excavated coal. The layout of the drill arm during transfer will affect the efficiency of anchoring and protection, and will also affect the synergy between anchoring and protection and excavation. How to further improve the balance between anchoring and protection and ensure the safety of excavation is a technical problem that needs to be continuously overcome in the industry. Summary of the invention

[0003] The utility model aims to disclose a five-arm anchor transfer device for coal mines.

[0004] In order to achieve the above-mentioned invention object, the utility model provides a five-arm anchor transfer device for coal mines, comprising a chassis, a receiving hopper, a conveyor belt, a side anchor assembly respectively arranged on both sides of the receiving hopper, a first top anchor assembly arranged at the front end of the chassis, and a second top anchor assembly respectively arranged on both sides of the rear end of the chassis;

[0005] The first top anchor rod assembly is provided with a transverse movement assembly, and the first top anchor rod assembly performs anchor rod operation on the middle range of the top of the tunnel;

[0006] The second top anchor assembly performs anchoring operations on both sides of the tunnel top;

[0007] The side anchor rod assembly performs anchor rod operations in the side range of the tunnel.

[0008] Preferably, the stroke of the transverse movement assembly is 1000mm-1500mm.

[0009] Preferably, the center distance between two of the second top anchor rod assemblies is 2000 mm-2400 mm.

[0010] Preferably, the center distance between the first top anchor assembly and the side anchor assembly is 500mm-800mm.

[0011] Preferably, the center distance between the first top anchor assembly and the second top anchor assembly is 3000mm-3500mm.

[0012] Preferably, a crushing assembly is installed at the bottom of the receiving hopper.

[0013] Preferably, the gang anchor assembly comprises a first vertical support, a first lifting cylinder, a first lifting slide, a first chain cylinder, a first rotary assembly and a first drill arm;

[0014] The first lifting cylinder drives the first lifting slide to move up and down with the first vertical support as a fulcrum;

[0015] The first lifting slide is provided with a first vertical slide rail, the first chain cylinder drives the first rotating assembly to lift and lower along the first vertical slide rail with the first lifting slide as a fulcrum, and the first rotating assembly drives the first drill arm to rotate 0-90°.

[0016] Preferably, the transverse movement assembly includes a transverse slide rail and a transverse oil cylinder, and the transverse oil cylinder drives the first top anchor rod assembly to move along the transverse slide rail with the chassis as a fulcrum.

[0017] Preferably, the first top anchor assembly includes a second swivel assembly and a second drill arm, the second swivel assembly moves along the transverse slide rail, and the second swivel assembly drives the second drill arm to swing left and right by ±8°.

[0018] Preferably, the second top anchor assembly comprises a mounting seat, a hinge plate, a first swing angle cylinder, a second swing angle cylinder and a third drill arm;

[0019] The first swing angle oil cylinder drives the third drill arm to swing forward and backward by ±6°, and the second swing angle oil cylinder drives the third drill arm to swing left and right by ±8°.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model is provided with three rows of drill arms, which are, from front to back, a side anchor assembly, a first top anchor assembly and a second top anchor assembly, and the side anchor assemblies are on both sides of the receiving hopper, closer to the latest excavated area, and the side anchor assembly and the first top anchor assembly are close to each other, so timely anchoring and protection are achieved, and the safety of the tunnel is increased; for the anchoring and protection at the top of the tunnel, a strategy is adopted in which the middle range of the top of the tunnel is anchored first, and the two sides of the top of the tunnel are anchored later, which helps to anchor and protect the areas that are prone to falling off first, and achieves an overall balance between efficiency and safety between the side anchors and the top anchors. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a three-dimensional structural schematic diagram of a five-arm anchor transfer device for coal mines.

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the side anchor rod assembly of the utility model.

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the first top anchor rod assembly of the utility model.

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the second top anchor rod assembly of the utility model.

[0026] Among them, 1. chassis; 2. receiving hopper; 21. crushing assembly; 3. conveyor belt; 31. pitch cylinder; 4. side anchor assembly; 41. first vertical bracket; 42. first lifting cylinder; 43. first lifting slide; 431. first vertical slide rail; 44. first chain cylinder; 45. first slewing assembly; 46. first drill arm; 5. first top anchor assembly; 51. transverse assembly; 511. transverse slide rail; 512. transverse cylinder; 52. second slewing assembly; 53. second drill arm; 6. second top anchor assembly; 61. mounting seat; 62. hinged plate; 63. first swing angle cylinder; 64. second swing angle cylinder; 65. third drill arm; 7. side anchor storage bin; 8. top anchor storage bin. DETAILED DESCRIPTION

[0027] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] The specific implementation process of the present utility model is described below through multiple embodiments.

[0030] Example 1

[0031] See also Figures 1 to 4 This embodiment discloses a specific implementation method of a five-arm anchor transfer device for coal mines (hereinafter referred to as "transfer device").

[0032] Five-arm anchor transfer device for coal mines, see Figures 1 to 4, including a chassis 1, a receiving hopper 2, a conveyor belt 3, a side anchor rod assembly 4 respectively arranged on both sides of the receiving hopper 2, a first top anchor rod assembly 5 arranged at the front end of the chassis 1 and a second top anchor rod assembly 6 respectively arranged on both sides of the rear end of the chassis 1, a crushing assembly 21 is installed at the bottom of the receiving hopper 2, the crushing assembly 21 crushes large pieces of coal or rock before conveying, so as to avoid the influence of large pieces of materials on subsequent conveying, a pitch cylinder 31 is arranged at the tail of the conveyor belt 3, and the pitch cylinder 31 drives the tail of the conveyor belt 3 to pitch with the chassis 1 as a fulcrum so as to dock with the subsequent conveying equipment; the first top anchor rod assembly 5 is provided with a transverse movement assembly 51, and the first top anchor rod assembly 5 performs anchor rod operation on the middle range of the top of the tunnel; the second top anchor rod assembly 6 performs anchor rod operation on the two sides of the top of the tunnel; the side anchor rod assembly 4 performs anchor rod operation on the side range of the tunnel.

[0033] Specifically, the receiving hopper 2 of the transfer device receives the coal excavated by the tunnel boring machine and transports the coal to the outside through the conveyor belt 3. The present embodiment is provided with three rows of drill arms, which are, from front to back, the side anchor assembly 4, the first top anchor assembly 5 and the second top anchor assembly 6. The receiving hopper 2 is the part closest to the excavation area. The side anchor assemblies 4 of the present embodiment are arranged on both sides of the receiving hopper 2. The side of the tunnel that is easy to fall off can be anchored first, thereby increasing the safety of the tunnel. Side anchor storage bins 7 are respectively arranged on both sides of the chassis 1; the center distance between the first top anchor assembly 5 and the side anchor assembly 4 is 500mm-800mm, and the center distance is changed to the longitudinal distance, that is, the middle range of the tunnel top will follow the side anchoring, and the middle range of the tunnel top is anchored, which further ensures the safety of tunnel excavation. The transverse movement assembly 51 The stroke is 1000mm-1500mm, so that the first top anchor assembly 5 can perform anchoring operations within the formed range; the center distance between the first top anchor assembly 5 and the second top anchor assembly 6 is 3000mm-3500mm, and the center distance is changed to the longitudinal distance, and the two are separated by 3 rows of anchor spacing; the center distance between the two second top anchor assemblies 6 is 2000mm-2400mm, and the center distance is changed to the lateral distance, so that anchoring operations can be carried out on both sides of the top of the tunnel, and a top anchor storage bin 8 is set between the two second top anchor assemblies 6; for the top of the tunnel, the strategy of anchoring the middle range of the top of the tunnel first and anchoring the two sides of the top of the tunnel later is adopted, which helps to anchor the areas that are prone to falling off first, and achieves an overall balance between efficiency and safety between auxiliary anchors and top anchors.

[0034] See also Figure 1 and Figure 2The working principle of the side anchor rod assembly 4 is as follows: the side anchor rod assembly 4 includes a first vertical support 41, a first lifting cylinder 42, a first lifting slide 43, a first chain cylinder 44, a first slewing assembly 45 and a first drill arm 46; the first lifting cylinder 42 drives the first lifting slide 43 to rise and fall with the first vertical support 41 as a fulcrum, so that the first drill arm 46 performs anchor protection operations on the side parts of different heights; the first lifting slide 43 is provided with a first vertical slide rail 431, and the first chain cylinder 44 is provided with a first lifting The slide 43 is a fulcrum that drives the first rotating assembly 45 to rise and fall along the first vertical slide rail 431, so that the first drill arm 46 has a two-stage lifting driven by the first lifting cylinder 42 and the first chain cylinder 44. After the two-stage lifting, the lowest anchoring position of the side part is 700mm from the ground, and the highest anchoring position of the side part is 2700mm from the ground. The construction range of the side part is large. The first rotating assembly 45 drives the first drill arm 46 to rotate 0-90°, so that the first drill arm 46 remains vertical when retracted and is parallel to the ground during anchoring operations.

[0035] See also Figure 1 and Figure 3 The working principle of the first top anchor rod assembly 5 is as follows: the transverse movement assembly 51 includes a transverse slide rail 511 and a transverse cylinder 512. The transverse cylinder 512 drives the first top anchor rod assembly 5 to move along the transverse slide rail 511 with the chassis 1 as a fulcrum. The stroke of the transverse cylinder 512 is 1000mm-1500mm, so that the first top anchor rod assembly 5 can perform anchoring operations within the formed range; the first top anchor rod assembly 5 includes a second swivel assembly 52 and a second drill arm 53. The second swivel assembly 52 moves along the transverse slide rail 511. The second swivel assembly 52 drives the second drill arm 53 to swing left and right by ±8°, so that when the second drill arm 53 performs top anchoring, its left and right swing angles can be fine-tuned for precise anchoring.

[0036] See also Figure 1 and Figure 4 The working principle of the second top anchor rod assembly 6 is as follows: the second top anchor rod assembly 6 includes a mounting seat 61, a hinged plate 62, a first swing angle cylinder 63, a second swing angle cylinder 64 and a third drill arm 65; the first swing angle cylinder 63 drives the third drill arm 65 to swing forward and backward by ±6°, and the second swing angle cylinder 64 drives the third drill arm 65 to swing left and right by ±8°, so that the first swing angle cylinder 63 can fine-tune its anchor rod driving direction forward and backward and left and right.

Claims

1. A five-arm anchor transfer device for coal mines, characterized in that: It includes a chassis, a receiving hopper, a conveyor belt, a side anchor rod assembly respectively arranged on both sides of the receiving hopper, a first top anchor rod assembly arranged at the front end of the chassis, and a second top anchor rod assembly respectively arranged on both sides of the rear end of the chassis; The first top anchor rod assembly is provided with a transverse movement assembly, and the first top anchor rod assembly performs anchor rod operation on the middle range of the top of the tunnel; The second top anchor assembly performs anchoring operations on both sides of the tunnel top; The side anchor rod assembly performs anchor rod operations in the side range of the tunnel.

2. The five-arm anchor transfer device for coal mines according to claim 1, characterized in that: The travel range of the transverse movement component is 1000mm-1500mm.

3. The five-arm anchor transfer device for coal mines according to claim 1, characterized in that: The center distance between two of the second top anchor rod assemblies is 2000mm-2400mm.

4. The five-arm anchor transfer device for coal mines according to claim 1, characterized in that: The center distance between the first top anchor rod assembly and the side anchor rod assembly is 500mm-800mm.

5. The five-arm anchor transfer device for coal mines according to claim 1, characterized in that: The center distance between the first top anchor assembly and the second top anchor assembly is 3000mm-3500mm.

6. The five-arm anchor transfer device for coal mines as described in any one of claims 1 to 5, characterized in that: A crushing assembly is installed at the bottom of the receiving hopper.

7. The five-arm anchor transfer device for coal mines according to any one of claims 1 to 5, characterized in that: The gang anchor assembly includes a first vertical support, a first lifting cylinder, a first lifting slide, a first chain cylinder, a first rotary assembly and a first drill arm; The first lifting cylinder drives the first lifting slide to move up and down with the first vertical support as a fulcrum; The first lifting slide is provided with a first vertical slide rail, the first chain cylinder drives the first rotating assembly to lift and lower along the first vertical slide rail with the first lifting slide as a fulcrum, and the first rotating assembly drives the first drill arm to rotate 0-90°.

8. The five-arm anchor transfer device for coal mines as described in any one of claims 1 to 5, characterized in that: The transverse movement assembly includes a transverse slide rail and a transverse oil cylinder. The transverse oil cylinder drives the first top anchor rod assembly to move along the transverse slide rail with the chassis as a fulcrum.

9. The five-arm anchor transfer device for coal mines according to claim 8, characterized in that: The first top anchor assembly includes a second swivel assembly and a second drill arm. The second swivel assembly moves along the transverse slide rail, and the second swivel assembly drives the second drill arm to swing left and right by ±8°.

10. The five-arm anchor transfer device for coal mines according to any one of claims 1 to 5, characterized in that: The second top anchor assembly includes a mounting seat, a hinged plate, a first swing angle cylinder, a second swing angle cylinder and a third drill arm; The first swing angle oil cylinder drives the third drill arm to swing forward and backward by ±6°, and the second swing angle oil cylinder drives the third drill arm to swing left and right by ±8°.

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