Towing cable structure of coal mining machine

By designing the coal mining machine streamer structure, the cables are securely connected by using components such as outer frames, clamps, clamp slots and ER chucks, and preventing dust from entering through components such as air pumps, the problems of poor cable adaptability and dust in the prior art are solved, and the stability and service cycle of the device are improved.

CN222884267UActive Publication Date: 2025-05-16TIANJIN JINDI COAL MINING MACHINERY EQUIP
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Patent Information

Application Number
CN202421716780.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-16
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing automatic streamer towing device of coal mining machine cannot be adapted to cables of various sizes, and is susceptible to dust when used in mines, resulting in shortening of service life and slippage at the connection.

Method used

A coal mining machine streamer structure is designed to achieve a stable connection of the cable by setting up components such as outer frames, card blocks, slots, and ER chucks, and prevent dust from entering through components such as air pumps and telescopic mechanisms.

Benefits of technology

It improves the stability and convenience of the automatic streamer towing device of the coal mining machine, extends the service cycle, and reduces the replacement frequency of cable connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the related field of coal mining machines, and particularly relates to a coal mining machine towing cable structure which comprises an outer frame, a clamping block arranged at the top of the outer frame, a clamping groove formed in the top of the outer frame, a bolt arranged in the clamping groove, a nut arranged on one side of the clamping groove, an installation groove formed in the outer frame, and an annular fixing plate arranged on the inner wall of the installation groove. According to the utility model, through the arrangement of the mounting groove, the annular fixing plate, the rubber ring, the ER chuck body, the insection, the ER chuck pressing cap, the arc-shaped groove and the tooth groove, when the automatic cable towing device of the coal mining machine is used, the automatic cable towing device can be more conveniently connected with a cable; the stability and convenience of the automatic cable towing device of the coal mining machine are improved through the method, then the fixing plate, the outer shell, the air pump, the telescopic mechanism, the connecting rod and the fixing block are utilized, fixing can be better conducted, dust can be prevented from entering, and the service life of the automatic cable towing device of the coal mining machine is prolonged through the method.
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Description

Technical Field

[0001] The utility model relates to the relevant field of coal mining machines, in particular to a towing cable structure of a coal mining machine. Background Art

[0002] Coal mining machine is one of the main equipment of comprehensive mining equipment. Coal mining machine has evolved from coal cutting machine. Coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic functions. The working environment is harsh. If a failure occurs, the entire coal mining work will be interrupted, causing huge economic losses. Coal mining machine is one of the important equipment for realizing the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor, improve safety, and achieve the goals of high output, high efficiency and low consumption. At present, the technical solution of the towing cable device used in the working face has solved the protection and towing problems of cables and water pipes, and has been widely used at home and abroad.

[0003] The prior art has the following problems:

[0004] 1. The existing automatic cable-hauling device for coal mining machines cannot be adapted to cables of various sizes due to its use environment. In such a case, it is necessary to frequently replace the corresponding cable connection device, which is troublesome.

[0005] 2. When the existing automatic cable-dragging device for coal mining machines is in use, since its use environment is in a mine cave, a large amount of dust will enter the device during operation, thus shortening the service life of the device. In addition, due to the dust, the connection will slip, affecting its use. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a coal mining machine towing cable structure, which solves the current problem of needing to frequently replace the corresponding cable connection device and dust entry device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mining machine towing cable structure, comprising an outer frame, a clamping block is arranged at the top of the outer frame, a clamping groove is arranged at the top of the outer frame, a bolt is arranged inside the clamping groove, a nut is arranged on one side of the clamping groove, a mounting groove is arranged inside the outer frame, an annular fixing plate is arranged on the inner wall of the mounting groove, a rubber ring is arranged on one side of the annular fixing plate, an ER chuck body is arranged on one side of the annular fixing plate, a tooth pattern is arranged at one end of the mounting groove, an ER chuck clamping cap is arranged on one side of the outer frame, an arc groove is arranged inside the ER chuck clamping cap, a tooth pattern is arranged at one end of the mounting groove, a fixing plate is arranged inside the outer frame, an outer shell is arranged at the bottom of the outer frame, an air pump is arranged inside the outer shell, a telescopic mechanism is arranged on one side of the air pump, a connecting rod is arranged on one side of the telescopic mechanism, a fixing block is arranged on one side of the connecting rod, a fixing hole is arranged on the surface of the clamping groove, and a connecting hole is arranged on the surface of the outer frame.

[0008] As a preferred technical solution of the utility model, the number of the clamping blocks is two groups, the number of the clamping slots is two groups, the number of the fixing holes is several groups, and the bolts movably connect the clamping blocks and the clamping slots through the fixing holes.

[0009] As a preferred technical solution of the utility model, there are two groups of air pumps, two groups of telescopic mechanisms, two groups of connecting rods, two groups of fixed blocks, and the telescopic mechanisms are connected to the fixed blocks via connecting rods.

[0010] As a preferred technical solution of the utility model, the number of the fixing plates is two groups, and the outer shell is movably connected to the outer frame through the fixing plates.

[0011] As a preferred technical solution of the utility model, the number of the mounting grooves is two groups, and the mounting grooves are transversely installed at both ends of the upper inner wall and the lower inner wall of the outer frame close to the port.

[0012] As a preferred technical solution of the utility model, the number of the ER chuck bodies is several groups, the ER chuck bodies are arranged at equal intervals around one end of the annular fixing plate, and the rubber ring is arranged at the periphery of the connection between the ER chuck body and the annular fixing plate.

[0013] As a preferred technical solution of the utility model, the number of the tooth grooves is several groups, the number of the tooth patterns is several groups, and the tooth grooves are provided with internal threads matching with the external threads of the tooth patterns.

[0014] Compared with the prior art, the utility model provides a coal mining machine towing cable structure, which has the following beneficial effects:

[0015] 1. The coal mining machine towing cable structure is provided with an installation groove, an annular fixing plate, a rubber ring, an ER chuck body, a tooth pattern, an ER chuck clamping cap, an arc groove, and a tooth groove. When the coal mining machine automatic towing cable device is used, the cable is inserted into the inner part of the outer frame from one side through the arc groove. When the cable enters the center of the outer frame, the ER chuck clamping cap is rotated to tighten the ER chuck body inwardly through the tooth pattern set at the bottom and the tooth groove inside the installation groove, thereby clamping the cable to connect them. This method improves the stability and convenience of the coal mining machine automatic towing cable device.

[0016] 2. This coal mining machine cable towing structure is provided with a fixing plate, an outer shell, an air pump, a telescopic mechanism, a connecting rod and a fixing block. When the automatic cable towing device of the coal mining machine is used, the outer shell is installed on the coal mining machine through the air pump, the telescopic mechanism, the connecting rod and the fixing block so that it is tightly clamped. Then, because the outer shell can also prevent dust from entering, the service life of the automatic cable towing device of the coal mining machine is improved by this method. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall internal structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall appearance structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the side structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the ER chuck of the utility model.

[0021] In the figure: 1. outer frame; 2. clamping block; 3. clamping slot; 4. bolt; 5. nut; 6. mounting slot; 7. annular fixing plate; 8. rubber ring; 9. ER chuck body; 10. tooth pattern; 11. ER chuck clamping cap; 12. arc groove; 13. tooth groove; 14. fixing plate; 15. outer shell; 16. air pump; 17. telescopic mechanism; 18. connecting rod; 19. fixing block; 20. fixing hole; 21. connecting hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4In this embodiment: a coal mining machine towing cable structure includes an outer frame 1, a clamping block 2 is arranged on the top of the outer frame 1, a clamping slot 3 is arranged on the top of the outer frame 1, a bolt 4 is arranged inside the clamping slot 3, a nut 5 is arranged on one side of the clamping slot 3, a mounting groove 6 is arranged inside the outer frame 1, an annular fixing plate 7 is arranged on the inner wall of the mounting groove 6, a rubber ring 8 is arranged on one side of the annular fixing plate 7, an ER chuck body 9 is arranged on one side of the annular fixing plate 7, a tooth pattern 10 is arranged at one end of the mounting groove 6, and an ER chuck is arranged on one side of the outer frame 1. A head clamping cap 11, an arc groove 12 is arranged inside the ER chuck clamping cap 11, a tooth groove 13 is arranged at one end of the mounting groove 6, a fixing plate 14 is arranged inside the outer frame 1, an outer shell 15 is arranged at the bottom of the outer frame 1, an air pump 16 is arranged inside the outer shell 15, a telescopic mechanism 17 is arranged on one side of the air pump 16, a connecting rod 18 is arranged on one side of the telescopic mechanism 17, a fixing block 19 is arranged on one side of the connecting rod 18, a fixing hole 20 is arranged on the surface of the slot 3, and a connecting hole 21 is arranged on the surface of the outer frame 1.

[0024] In this embodiment, the number of the blocks 2 is two groups, the number of the slots 3 is two groups, the number of the fixing holes 20 is several groups, the bolts 4 flexibly connect the blocks 2 and the slots 3 through the fixing holes 20 to clamp the device, the number of the air pumps 16 is two groups, the number of the telescopic mechanisms 17 is two groups, the number of the connecting rods 18 is two groups, the number of the fixing blocks 19 is two groups, the telescopic mechanisms 17 are connected to the fixing blocks 19 through the connecting rods 18 to better fix them, the number of the fixing plates 14 is two groups, and the outer shell 15 is fixed by the fixing plates 14 It is movably connected to the outer frame 1, and the number of mounting grooves 6 is two groups. The mounting grooves 6 are transversely installed at both ends of the upper inner wall and the lower inner wall of the outer frame 1 near the port. The number of ER chuck bodies 9 is several groups. The ER chuck bodies 9 are arranged at equal intervals around one end of the annular fixing plate 7. The rubber ring 8 is arranged on the periphery of the connection between the ER chuck body 9 and the annular fixing plate 7 so that it can fix the cable. The number of tooth grooves 13 is several groups, and the number of tooth patterns 10 is several groups. The tooth grooves 13 are provided with internal threads matching the external threads of the tooth patterns 10.

[0025] The working principle and use process of the utility model are as follows: when using the automatic cable-hauling device of the coal mining machine, the operator fixes the slot 3 set on the outer shell of the electrical box of the coal mining machine to engage with the block 2 on the top of the outer frame 1, and flexibly connects the block 2 and the slot 3 with the nut 5 by passing the bolt 4 through the fixing hole 20, and then inserts the cable from one side of the outer frame 1 through the arc groove 12 into the interior thereof. When the cable enters the center of the outer frame 1, the ER chuck clamping cap 11 is rotated, and the ER chuck body 9 is tightened inwardly through the tooth pattern 10 set at the bottom thereof and the tooth groove 13 on the inner side of the mounting groove 6, so as to clamp the cable and connect it. This method improves the stability of the automatic cable-hauling device of the coal mining machine, and then the outer shell 15 is installed on the coal mining machine through the air pump 16, the telescopic mechanism 17, the connecting rod 18 and the fixing block 19, so as to clamp it tightly.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal mining machine towing cable structure, comprising an outer frame (1), characterized in that: A clamping block (2) is provided at the top of the outer frame (1), a clamping slot (3) is provided at the top of the outer frame (1), a bolt (4) is provided inside the clamping slot (3), a nut (5) is provided on one side of the clamping slot (3), a mounting groove (6) is provided inside the outer frame (1), an annular fixing plate (7) is provided on the inner wall of the mounting groove (6), a rubber ring (8) is provided on one side of the annular fixing plate (7), an ER chuck body (9) is provided on one side of the annular fixing plate (7), a tooth pattern (10) is provided at one end of the mounting groove (6), an ER chuck clamping cap (11) is provided on one side of the outer frame (1), and the ER chuck is provided on one side of the outer frame (1). An arc groove (12) is provided inside the head clamping cap (11), a tooth groove (13) is provided at one end of the mounting groove (6), a fixing plate (14) is provided inside the outer frame (1), an outer shell (15) is provided at the bottom of the outer frame (1), an air pump (16) is provided inside the outer shell (15), a telescopic mechanism (17) is provided on one side of the air pump (16), a connecting rod (18) is provided on one side of the telescopic mechanism (17), a fixing block (19) is provided on one side of the connecting rod (18), a fixing hole (20) is provided on the surface of the slot (3), and a connecting hole (21) is provided on the surface of the outer frame (1).

2. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the clamping blocks (2) is two groups, the number of the clamping slots (3) is two groups, the number of the fixing holes (20) is a plurality of groups, and the bolts (4) movably connect the clamping blocks (2) and the clamping slots (3) through the fixing holes (20).

3. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the air pumps (16) is two, the number of the telescopic mechanisms (17) is two, the number of the connecting rods (18) is two, the number of the fixing blocks (19) is two, and the telescopic mechanisms (17) are connected to the fixing blocks (19) via the connecting rods (18).

4. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the fixing plates (14) is two groups, and the outer shell (15) is movably connected to the outer frame (1) via the fixing plates (14).

5. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the mounting grooves (6) is two groups, and the mounting grooves (6) are transversely mounted on the upper inner wall and the lower inner wall of the outer frame (1) at both ends close to the port.

6. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the ER chuck bodies (9) is several groups, and the ER chuck bodies (9) are arranged at equal intervals around one end of the annular fixing plate (7), and the rubber ring (8) is arranged on the periphery of the connection between the ER chuck body (9) and the annular fixing plate (7).

7. A coal mining machine towing cable structure according to claim 1, characterized in that: The number of the tooth grooves (13) is a plurality of groups, the number of the tooth patterns (10) is a plurality of groups, and the tooth grooves (13) are provided with internal threads that match the external threads of the tooth patterns (10).