Cable bracket of coal mine fully-mechanized coal winning machine

Abstract

The utility model relates to the technical field of coal mine underground cable lifting, in particular to a coal mine roadheader cable bracket, which comprises a base, seat plates are fixed on two sides of the base, adjusting plates are sleeved in the seat plates in a sliding manner, and the top ends of the two adjusting plates are fixedly connected with a limiting clamping plate; an adjusting box is arranged on the base, a first servo motor and a second servo motor which are opposite in rotating direction are installed in the adjusting box side by side, the output end of the first servo motor is fixedly connected with a first disc which is movably connected with a first connecting rod through a rotating shaft, and the output end of the second servo motor is fixedly connected with a second disc which is movably connected with a second connecting rod through a rotating shaft. The other end of the first connecting rod and the other end of the second connecting rod are movably connected with a shaft plate through rotating shafts, a longitudinal plate is fixedly connected to the upper portion of the shaft plate, and the top of the longitudinal plate is fixedly connected with a limiting clamping plate. According to the utility model, the lifting height can still be adjusted when a cable is installed, and the application scene is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of cable lifting in coal mines, in particular to a cable bracket for a coal mine tunneling machine. Background Art

[0002] A coal mine excavator (TDM) is a comprehensive mechanized machine that integrates multiple functions, including tunneling, rock loading, coal transportation, support, and track nailing. During coal mining, cables are used to power the TDM. As the TDM moves, the cables are susceptible to wear and tear from contact with the ground. Therefore, the TDM cables need to be supported to minimize wear and tear, which can lead to safety hazards.

[0003] The utility model patent with publication number CN 210113689 U provides a height-adjustable bracket structure, including an upper ferrule and a lower ferrule, with fixing holes provided on both sides of the upper ferrule and engaging holes provided on both sides of the lower ferrule, the engaging holes corresponding to the fixing holes and connected by threads; the outer surface of the upper ferrule is provided with an interpenetrating hole, the interior of the interpenetrating hole is engaged with a bracket rod, the bottom of the bracket rod is fixedly connected to a balance block, the top of the bracket rod is fixedly connected to a bracket, and the top of the bracket is provided with a cable groove. When the lifting height needs to be adjusted, the underground miner only needs to twist the bracket rod to adjust its position in the interpenetrating hole. The shortcoming of this technical solution is that rotating the bracket rod will drive the cable groove and other structures on the top of the bracket to rotate together. Therefore, it is necessary to remove the cable from the bracket before adjusting the lifting height, and then re-fix the cable after the lifting height is adjusted. The operation steps are relatively cumbersome, which greatly limits the diversity of the bracket's use and affects the use effect of the bracket. Utility Model Content

[0004] Aiming at the technical problem that the existing coal mine excavator cable bracket needs to remove the cable from the bracket before adjusting the height, and then reinstall and fix it after adjusting the height, which is a relatively cumbersome operation step, the utility model provides a coal mine excavator cable bracket.

[0005] The technical solution of this utility model is as follows:

[0006] The cam is fixedly provided with a base, and the top of the two adjusting plates is fixedly provided with a limit clamp, and the limit clamp is used to fix the cable; an adjusting box is also provided on the base, and two servo motors with opposite rotation directions are installed side by side inside the adjusting box, namely a first servo motor and a second servo motor, an output end of the first servo motor is fixedly connected to a first disc, the first disc is movably connected to a first connecting rod through a rotating shaft, and an output end of the second servo motor is fixedly connected to a second disc, and the second disc is movably connected to a second connecting rod through a rotating shaft, the first connecting rod and the second connecting rod are symmetrically arranged with a center line between the two servo motors as an axis, the other end of the first connecting rod and the other end of the second connecting rod are movably connected to the two ends of the shaft plate through a rotating shaft, and a longitudinal plate is fixedly connected to the top of the shaft plate, a through hole is opened on the top of the adjusting box, and the top of the longitudinal plate is fixedly connected to the limit clamp through the through hole.

[0007] Furthermore, the top of the axis plate is fixedly connected to the horizontal plate via a connecting block, the top of the horizontal plate is fixedly connected to the bottom of the vertical plate, and the top of the horizontal plate is also fixedly connected to the spring, the top of the spring is fixedly connected to the inner top surface of the adjustment box. The spring can limit the movement speed of the horizontal plate, thereby ensuring a more stable upward movement of the vertical plate.

[0008] Furthermore, vertical grooves are provided on the inner sidewalls of the adjustment boxes at both ends of the horizontal plate, and the horizontal plate can slide in the vertical grooves. The arrangement of the vertical grooves reduces friction between the horizontal plate and the adjustment box, prolongs the service life of the horizontal plate, and also serves as a limit for the horizontal plate.

[0009] Furthermore, an L-shaped plate is fixedly connected to the connection between the longitudinal plate and the transverse plate, so that the longitudinal plate is more tightly connected to the transverse plate, thereby preventing the longitudinal plate and the transverse plate from separating.

[0010] Furthermore, the limiting clamping plate includes an upper clamping plate and a lower clamping plate, and both ends of the upper clamping plate and the lower clamping plate are respectively connected by bolts, and a cable accommodating space is formed between the upper clamping plate and the lower clamping plate.

[0011] Furthermore, the device also includes a controller, which is linearly connected to the power supply and is controlled by the two servo motors.

[0012] Furthermore, the bottoms of the two servo motors are respectively fixedly connected to the machine base, and the bottom of the machine base is fixedly connected to the inner bottom surface of the adjustment box.

[0013] Furthermore, the base and the outer side wall of the adjustment box are fixed by a C-shaped plate. By providing the C-shaped plate, the adjustment box can be more firmly connected to the base, thereby preventing separation between the adjustment box and the base.

[0014] The beneficial effects of the present invention are:

[0015] The cable bracket of the coal mine tunneling machine provided by the utility model has a cable lifting height adjustment function, can adapt to cables of different heights, and can still adjust the lifting height when the cables are installed, and has a wider range of applicable scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 This is a structural schematic diagram of the cable bracket of the coal mine tunneling machine in Example 1.

[0018] Figure 2 This is a schematic diagram of the internal structure of the adjustment box in the cable bracket of the coal mine excavator in Example 1.

[0019] In the figure, 1-base, 2-seat plate, 3-adjustment plate, 4-limiting clamping plate, 5-cable, 6-adjustment box, 7-first disc, 8-first connecting rod, 9-second disc, 10-second connecting rod, 11-axis plate, 12-horizontal plate, 13-vertical groove, 14-longitudinal plate, 15-spring, 16-L-shaped plate, 17-C-shaped plate. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will be combined with the drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0021] Example 1

[0022] A cable bracket for a coal mine excavator includes a base 1 with a seat plate 2 fixed to each side of the base 1. The seat plate 2 has a mountain-shaped cross-section and includes two shoulder plates and a straight strip plate disposed between the shoulder plates. The shoulder plates are connected to the bottom of the straight strip plates. The straight strip plates are hollow and open at the top. An adjustment plate 3 is vertically arranged and slidably sleeved within the straight strip plates. In other embodiments, the seat plate 2 can be a single hollow straight strip plate with an open top, or another structure that allows the adjustment plate 3 to be vertically arranged and slidably sleeved within it.

[0023] The top ends of the two adjustment plates 3 on both sides of the base 1 are fixedly connected to the limit clamping plate 4. The limit clamping plate 4 includes an upper clamping plate and a lower clamping plate. The two ends of the upper clamping plate and the lower clamping plate are respectively connected by bolts. A accommodating space for the cable 5 is formed between the upper clamping plate and the lower clamping plate. In order to reduce the wear of the limit clamping plate 4 on the cable, an arc-shaped groove can be provided on the side opposite to the upper clamping plate and the lower clamping plate. At this time, a cable accommodating space with a circular or quasi-circular cross-section is formed between the upper clamping plate and the lower clamping plate.

[0024] An adjusting box 6 is also provided on the base 1. Two machine bases are installed side by side inside the adjusting box 6. Servo motors (named as the first servo motor and the second servo motor) are installed on the two machine bases respectively. The rotation directions of the two servo motors are opposite. The output end of the first servo motor is fixedly connected to the first disc 7, and the first disc 7 is movably connected to the first connecting rod 8 through a rotating shaft. The output end of the second servo motor is fixedly connected to the second disc 9, and the second disc 9 is movably connected to the second connecting rod 10 through a rotating shaft. The first connecting rod 8 and the second connecting rod 10 are symmetrically arranged with the center line between the two servo motors as the axis. The other end of the first connecting rod 8 and the other end of the second connecting rod 10 are respectively connected to the two ends of the shaft plate 11 through a rotating shaft. The top of the shaft plate 11 is fixedly connected to the horizontal plate 12 through a connecting block. The inner wall of the adjustment box 6 corresponding to the two ends of the horizontal plate 12 is provided with a vertical groove 13. The vertical groove 13 is a groove. The horizontal plate 12 can slide in the vertical groove 13. The top of the horizontal plate 12 is fixedly connected to the bottom of the vertical plate 14. The top of the horizontal plate 12 is also fixedly connected to the spring 15. The top of the spring 15 is fixedly connected to the inner top surface of the adjustment box 6. The top of the adjustment box 6 is provided with a through hole. The top of the vertical plate 14 passes through the through hole and is fixedly connected to the limit clamp 4. The cable bracket of the coal mine excavator in this embodiment also includes a controller. The controller is linearly connected to the power supply and is connected to the two servo motors. When the cable lifting height needs to be adjusted, the underground miners control the two servo motors to rotate simultaneously through the controller, driving the vertical plate 14 to rise and fall, thereby realizing the change of the cable lifting height.

[0025] In order to increase the structural stability of the bracket of this embodiment, an L-shaped plate 16 is fixedly connected at the connection between the longitudinal plate 14 and the transverse plate 12 , and the base 1 and the outer side wall of the adjustment box 6 are fixedly connected via a C-shaped plate 17 .

[0026] Although the present invention has been described in detail with reference to the accompanying drawings and in conjunction with preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, persons of ordinary skill in the art may make various equivalent modifications or substitutions to the embodiments of the present invention, and such modifications or substitutions shall fall within the scope of the present invention. Any changes or substitutions that can be easily conceived by persons skilled in the art within the technical scope disclosed in the present invention shall fall within the scope of protection of the present invention.

Claims

1. A cable bracket for a coal mine excavator, comprising a base, characterized in that: The control cabinet that is located at the top of two support plates is fixed with the control cabinet, and the control cabinet that is located at the top of two support plates is fixed with the control cabinet.

2. The cable bracket for a coal mine excavator according to claim 1, characterized in that: The top of the shaft plate is fixedly connected to the transverse plate through a connecting block, the top of the transverse plate is fixedly connected to the bottom of the longitudinal plate, the top of the transverse plate is also fixedly connected to a spring, and the top of the spring is fixedly connected to the inner top surface of the regulating box.

3. The cable bracket for a coal mine excavator according to claim 2, characterized in that: Vertical grooves are provided on the inner side walls of the adjustment box corresponding to the two ends of the horizontal plate, and the horizontal plate can slide in the vertical grooves.

4. The cable bracket for a coal mine excavator according to claim 2, wherein: An L-shaped plate is fixedly connected to the connection between the longitudinal plate and the transverse plate.

5. The cable bracket for coal mine excavator according to claim 1, characterized in that: The limiting clamping plate includes an upper clamping plate and a lower clamping plate. Both ends of the upper clamping plate and the lower clamping plate are connected by bolts respectively, and a cable accommodating space is formed between the upper clamping plate and the lower clamping plate.

6. The cable bracket for a coal mine excavator according to claim 1, characterized in that: The utility model also includes a controller, which is linearly connected to the power supply and controlled by the two servo motors.

7. The cable bracket for a coal mine excavator according to claim 1, characterized in that: The bottoms of the two servo motors are respectively fixedly connected with a machine base, and the bottom of the machine base is fixedly connected with the inner bottom surface of the adjustment box.

8. The cable bracket for a coal mine excavator according to claim 1, wherein: The base and the outer side wall of the adjustment box are fixed by a C-shaped plate.

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