A traction chain dragging device and a dragging method for a coal mining machine

Abstract

The present invention relates to the technical field of underground fully mechanized mining working faces in coal mines, and specifically to a traction chain towing device for a coal mining machine, comprising a hook assembly, a round link chain, a frame, a pin assembly A, and a pin assembly B. One end of the round link chain is connected to the hook assembly, and the other end is connected to the frame through a pin assembly B that penetrates the connecting ears A; in actual application, one end of the frame of the device is connected to the traction chain of the coal mining machine, and the other end of the hook assembly is connected to the scraper chain of the scraper conveyor, and the traction chain of the coal mining machine is towed forward by the power of the conveyor itself, without the need to disassemble the slide cover plate, and without the need for additional equipment or power, the operation is simple and time-consuming, and manpower is effectively saved; the present invention also proposes a towing method for the traction chain towing device for a coal mining machine.

Description

Technical Field

[0001] The invention relates to the technical field of fully mechanized mining working faces in underground coal mines, in particular to a towing device and a towing method for a traction chain of a coal mining machine. Background Art

[0002] Chain-hauled coal mining machines are commonly used in intelligent fully-mechanized mining faces in thin coal seams in coal mines. There are generally two methods for installing and arranging chain-hauled coal mining machines in fully-mechanized mining faces: Method 1. After removing the carriage covers of the conveyor equipment on the working face one by one, lay the coal mining machine traction chain in place and then install the carriage covers one by one; Method 2. Use a wire rope to pull the chain, and use a winch to drag the wire rope to drag the coal mining machine traction chain into place. Method 1 has many processes, is time-consuming, and has high labor intensity for workers; Method 2 requires additional winches for towing, which has greater limitations in the narrow working environment of thin coal seams.

[0003] Therefore, in view of the above-mentioned shortcomings, it is necessary to develop a coal mining machine traction chain towing device and a corresponding towing method to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a coal mining machine traction chain towing device and towing method, which can use the scraper conveyor's own power to drag the coal mining machine traction chain into place, which can reduce time consumption, save manpower, and will not occupy additional underground space when towing the coal mining machine traction chain.

[0005] The technical scheme of the present invention is as follows: the device comprises a hook assembly, a round link chain, a frame, a pin assembly A and a pin assembly B. The hook assembly is composed of two hooks, which are hingedly connected as a whole by a pin shaft A passing through a pin hole A; the frame is a symmetrical structure as a whole, and is symmetrically provided with connecting ears A and connecting ears B.

[0006] One end of the round link chain is connected to the hook assembly, and the other end of the round link chain is fixed by a pin assembly B penetrating through the connecting ears A and then connected to the frame.

[0007] The advantages of the present invention are: the device can connect the conveyor scraper chain and the coal mining machine traction chain, and use the scraper conveyor's own power to drag the coal mining machine traction chain forward. There is no need to disassemble a large number of slide covers, no need for additional equipment or power, the operation is simple and time-saving, and manpower is effectively saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further described below in conjunction with the accompanying drawings:

[0009] Figure 1 It is the overall structure diagram of the present invention;

[0010] Figure 2 It is the overall structure diagram of the hook assembly of the present invention;

[0011] Figure 3 A diagram of the hook connection part of the present invention;

[0012] Figure 4 This is a structural diagram of the frame of the present invention;

[0013] Figure 5 It is a structural diagram of the F-direction view of the present invention;

[0014] Figure 6 It is a connection schematic diagram of the present invention;

[0015] Figure 7 It is a practical application effect diagram of the present invention.

[0016] The serial numbers in the figure are:

[0017] 1. Hook assembly, 2. Round link chain, 3. Frame, 4. Pin assembly A, 5. Pin assembly B; 11. Hook, 12. Pin shaft A; Ⅰ. Pin hole A; 31. Connecting ears A, 32. Connecting ears B; h1. Distance between connecting ears A, h2. Distance between connecting ears B; 6. Conveyor scraper chain, 7. Coal mining machine traction chain; 8. Middle trough body, 9. Slide, 10. Slide cover. DETAILED DESCRIPTION

[0018] according to Figure 1-Figure 7 As shown, the technical solution of the present invention is further described:

[0019] like Figure 1 The illustrated embodiment of a traction chain towing device for a coal mining machine comprises a hook assembly 1, a round link chain 2, a frame 3, a pin assembly A4, and a pin assembly B5. The hook assembly 1 is composed of two hooks 11, and the hooks 11 are hingedly connected to form a whole through a pin shaft A12 passing through a pin hole AⅠ; the frame 3 is a symmetrical structure as a whole, and is symmetrically provided with connecting ears A31 and connecting ears B32.

[0020] One end of the round-link chain 2 is connected to the hook assembly 1, and the other end of the round-link chain 2 is fixed to the frame 3 through a pin assembly B5 that penetrates the connecting ears A31.

[0021] Combination Figure 1 Overall structure diagram and Figure 6 , Figure 7 The actual application diagram and effect diagram further illustrate the technical solution of the present invention: the carriage cover 10 of a certain section of the middle trough body 8 is disassembled, and the frame 3 is placed on the carriage 9 of the middle trough body 8 of the section; the frame 3 is connected to the conveyor scraper chain 6 through the hook 1, the round link chain 2 and the pin assembly B5, and the other end of the frame 3 is connected to the coal mining machine traction chain 7 through the pin assembly A4. After the connection is completed, the carriage cover 10 of the section is reinstalled. Start the conveying equipment, and the coal mining machine traction chain 7 can be towed forward by the conveying equipment's own power.

[0022] It should be understood that the detailed description of the technical solution of the present invention by means of the preferred embodiment is illustrative rather than restrictive. A person skilled in the art may modify the technical solution described in the embodiment or replace some of the technical features by equivalents based on reading the specification of the present invention; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present invention.

Claims

1. A traction chain dragging device for a coal mining machine, characterized in that: The invention comprises a hook assembly (1), a round link chain (2), a frame (3), a pin assembly A (4), and a pin assembly B (5); the hook assembly (1) is composed of two hooks (11), and the hooks (11) are hingedly connected to each other through a pin shaft A (12) passing through a pin hole A (I); the frame (3) is a symmetrical structure as a whole, and is symmetrically provided with connecting ears A (31) and connecting ears B (32); the thickness of the flat ring of the round link chain (2) is less than the distance h1 between the connecting ears A (31) and less than the thickness of the flat ring of the round link chain (2) + 8 mm; the thickness of the flat ring of the coal mining machine traction chain (7) is less than the distance h2 between the connecting ears B (32) and less than the thickness of the flat ring of the coal mining machine traction chain (7) + 8 mm; one end of the round link chain (2) is connected to the hook assembly (1), and the other end of the round link chain (2) is fixed by the pin assembly B (5) passing through the connecting ears A (31) and connected to the frame (3); The frame (3) is connected to the conveyor scraper chain (6) via a hook (1), a round link chain (2) and a pin assembly B (5); the other end of the frame (3) is connected to the coal mining machine traction chain (7) via a pin assembly A (4); a slide groove matching the shape of the slide cover (10) is provided in the middle of the frame (3).

2. A traction chain dragging device for a coal mining machine according to claim 1, characterized in that: The frame (3) is formed by splicing, welding or integral processing.

3. A method for dragging a coal mining machine traction chain, which is used to drag the coal mining machine traction chain using the power of a scraper conveyor, characterized in that: Using the coal mining machine traction chain towing device according to claim 1, the method comprises the following steps: Remove the slide cover (10) of the middle slot body (8) of a certain section; Place the frame (3) on the slide (9) of the slot body (8) in the middle of the section; One end of the coal mining machine traction chain (7) is connected to the frame (3) via a pin assembly A (4) that penetrates through the connecting ears B (32); Connecting the hook assembly (1) to the conveyor scraper chain (6); Install the carriage cover (10) back onto the carriage section (9); The scraper conveyor is started in the required dragging direction of the drag chain, and the drag chain (7) of the coal mining machine is dragged forward to the designated position by the power of the equipment itself.

Images