Coal mine underground cable take-up and pay-off device
By setting wheels and track wheels at both ends of the bearing shaft of the cable retracting and releasing device under the coal mine and choosing and using them according to the scene, the problem of poor flexibility of the existing devices is solved, and more efficient cable reel conveying is achieved.
Patent Information
- Application Number
- CN202421996885.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing underground cable retraction and release devices of coal mines have poor flexibility during transportation, especially in complex environments where manual assistance is required to pull or push the load bearing mechanism.
A coal mine underground cable retracting and releasing device is designed, and the rotating sleeves of both ends of the bearing shaft are provided with wheels and track wheels. The two track wheels are located between the two wheels, and there is a gap between adjacent wheels and track wheels. The wheels or track wheels are selected according to the scene to improve the flexibility of cable reel conveying.
Through this device, track wheels can be used to travel on the track where the track is laid, and wheels can be traveled on the track where there is no track, which significantly improves the flexibility of the cable reel conveying downhole and reduces the need for manual assistance.
Smart Images
Figure CN222907211U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of underground cable winding and unwinding, in particular to a cable winding and unwinding device for coal mines underground. Background Technique
[0002] There are many production equipment in coal mines underground, and a large number of cables are required for power supply. Usually, the underground power supply cables are pre-wound on cable drums and then transported underground together for use. At present, when transporting the cable drums with cables wound on them, the cable drums with cables wound on them are placed on a bearing mechanism with wheels, and the bearing mechanism is pulled by a winch to move in the roadway. The driving means is single and the flexibility is relatively poor. Even in some positions with complex environments, manual assistance is required to pull or push the bearing mechanism. Content of the Utility Model
[0003] In order to solve the deficiencies of the prior art, the utility model provides a cable winding and unwinding device for coal mines underground. Both ends of the bearing shaft of this device are rotatably sleeved with wheels and track wheels that can cooperate with the underground tracks. The two track wheels are located between the two wheels, and there is a gap between the adjacent wheels and track wheels. The wheels or track wheels are selected according to the actual scenario to improve the flexibility of the cable drum transportation.
[0004] The technical solution adopted by the utility model to solve the above technical problems is: a cable winding and unwinding device for coal mines underground, including a cable drum and a bearing mechanism for bearing the cable drum. The bearing mechanism includes a bearing plate and at least two bearing shafts fixedly arranged at the bottom of the bearing plate. Both ends of the bearing shaft are rotatably sleeved with wheels and track wheels that can cooperate with the underground tracks. The two track wheels are located between the two wheels, and there is a gap between the adjacent wheels and track wheels.
[0005] As a further optimization of a cable winding and unwinding device for coal mines underground of the utility model: both the wheels and the track wheels are rotatably connected to the bearing shaft through bearings.
[0006] As a further optimization of a cable winding and unwinding device for coal mines underground of the utility model: a partition ring is arranged between the adjacent wheels and the track wheels. The two sides of the partition ring are respectively attached to the wheels and the end cover of the bearing, and the partition ring is sleeved on the bearing shaft.
[0007] As a further optimization of a cable winding and unwinding device for coal mines underground of the utility model: a blocking ring is arranged on the opposite surfaces of the two track wheels. When the track wheels cooperate with the underground tracks, the blocking ring is attached to the inner side of the underground tracks.
[0008] As a further optimization of a cable winding and unwinding device for coal mines underground in the utility model: A turntable is rotatably arranged on the bearing plate, and the cable reel is detachably arranged on the turntable. A fixing member is fixedly arranged on the bearing plate, and the fixing member is used for fixing the direction of the turntable.
[0009] As a further optimization of a cable winding and unwinding device for coal mines underground in the utility model: The fixing member includes a mounting block fixedly arranged on the bearing plate. A threaded hole is provided in the mounting block, and a fixing screw rod is inserted through the threaded hole. A plurality of positioning holes are radially formed on the side of the turntable along its radial direction, and all the positioning holes are distributed circumferentially on the turntable. After the fixing screw rod passes through the threaded hole, it can be inserted into one of the positioning holes.
[0010] As a further optimization of a cable winding and unwinding device for coal mines underground in the utility model: A connecting shaft is coaxially inserted through the cable reel. Two groups of mounting rods are fixedly arranged on the bearing plate. The number of each group of mounting rods is two, and a space for accommodating the connecting shaft is formed between the two mounting rods of each group. A sliding block is jointly sleeved on the two mounting rods of each group. The part of the connecting shaft extending out of the cable reel can be placed on the sliding block. A jack is also arranged between the two mounting rods. The jack is fixedly connected with the turntable, and the lifting member of the jack is fixedly connected with the bottom of the sliding block.
[0011] As a further optimization of a cable winding and unwinding device for coal mines underground in the utility model: A vertical connecting rod is arranged on the bearing plate. A plurality of connecting rings are spaced along the length direction of the connecting rod, and the connecting rings are used for connecting the traction device.
[0012] As a further optimization of a cable winding and unwinding device for coal mines underground in the utility model: The connecting ring is connected with the traction device through a connecting chain.
[0013] Beneficial effects: Wheels are rotatably sleeved at both ends of the bearing shaft of the utility model, and track wheels capable of cooperating with the underground track are provided. The two track wheels are located between the two wheels, and there is a gap between the adjacent wheel and the track wheel. When transporting the cable reel underground, in places where there is a track, it can travel on the track through the track wheels on the bearing shaft, and in places without a track, it can travel through the wheels, improving the flexibility of transporting the cable reel underground. Description of the Drawings
[0014] Figure 1 is a schematic structural diagram of the utility model;
[0015] Figure 2 is a schematic diagram of the cooperation between the bearing plate and the cable reel;
[0016] Figure 3 is a schematic diagram of the installation of the bearing plate, wheels and track wheels;
[0017] Figure 4 Schematic diagram of the setting method of the partition ring
[0018] Markings in the figure: 1. Traction device, 2. Bearing shaft, 201. Wheel, 202. Rail wheel, 2021. Blocking ring, 203. Partition ring, 204. Bearing, 2041. End cover, 3. Bearing plate, 301. Mounting block, 302. Screw hole, 4. Turntable, 401. Positioning hole, 5. Mounting rod, 501. Space, 502. Slide block, 503. Jack, 6. Cable reel, 601. Connecting shaft, 7. Connecting rod, 701. Connecting chain, 702. Connecting ring Specific implementation mode
[0019] The technical solution of the present invention will be further elaborated in detail below in conjunction with specific embodiments. For parts that are not detailedly recorded and disclosed in the following embodiments of the present invention, they should all be understood as the prior art known or should be known to those skilled in the art, such as the models and structures of winches and mine cars, the models of wheels 201 and rail wheels 202, the model of bearing 204, the structure and model of jack 503, the structure and model of cable reel 6, and how the cable reel 6 is placed on the turntable 4, etc.
[0020] Embodiment 1
[0021] A cable winding and unwinding device for underground coal mines, as Figure 1 and Figure 2 shown, includes a cable reel 6 and a bearing mechanism for bearing the cable reel 6. The bearing mechanism includes a bearing plate 3 and at least two bearing shafts 2 fixedly arranged at the bottom of the bearing plate 3. Both ends of the bearing shaft 2 are rotatably sleeved with wheels 201 and rail wheels 202 that can cooperate with the underground track. The two rail wheels 202 are located between the two wheels 201, and there is a gap between the adjacent wheel 201 and the rail wheel 202. When transporting underground, when there is a track laid, it can travel on the track through the rail wheels 202 on the bearing shaft 2, and when there is no track, it can travel through the wheels 201, improving the flexibility of the cable reel 6 during underground transportation. In order not to affect the operation of the wheels 201 and the rail wheels 202, when the rail wheels 202 are on the track, the wheels 201 are in a state of leaving the ground. At an appropriate position, the cable on the cable reel 6 can be released for use, and after use, it is retracted and wound on the cable reel 6 again
[0022] The above is the basic implementation mode of the present invention, and further improvements, optimizations and limitations can be made on this basis to obtain the following embodiments
[0023] Embodiment 2
[0024] This embodiment is an improved scheme based on Embodiment 1, and its main structure is the same as that of Embodiment 1. The improvement lies in: asFigure 3 and Figure 4 As shown in Figure 4 , both the wheel 201 and the track wheel 202 are rotatably connected to the bearing shaft 2 through bearings 204. In order to ensure that the wheel 201 or the track wheel 202 will not be blocked during rotation, a spacer ring 203 is provided between the adjacent wheel 201 and the track wheel 202. The two sides of the spacer ring 203 are respectively in contact with the wheel 201 and the end cover 2041 of the bearing 204. The spacer ring 203 is sleeved on the bearing shaft 2.
[0025] Embodiment 3
[0026] This embodiment is an improved solution based on Embodiment 1. Its main structure is the same as that of Embodiment 1. The improvement lies in that: as Figure 3 shown, in order to prevent the track wheel 202 from derailing on the track, a blocking ring 2021 is provided on the opposite surfaces of the two track wheels 202. When the track wheel 202 cooperates with the underground track, the blocking ring 2021 is in contact with the inner side of the underground track.
[0027] Embodiment 4
[0028] This embodiment is an improved solution based on Embodiment 1. Its main structure is the same as that of Embodiment 1. The improvement lies in that: as Figure 1 and Figure 2 shown, in order to ensure that the cable reel is used more flexibly, a turntable 4 is rotatably provided on the bearing plate 3. The cable reel 6 is detachably provided on the turntable 4. After the bearing plate 3 is rotated to a suitable position, in order to ensure that the direction of the cable reel 6 is fixed at this time, a fixing member is fixedly provided on the bearing plate 3, and the fixing member is used to fix the direction of the turntable 4.
[0029] Embodiment 5
[0030] This embodiment is an improved solution based on Embodiment 4. Its main structure is the same as that of Embodiment 4. The improvement lies in that: as Figure 1 and Figure 2 shown, the fixing member includes a mounting block 301 fixedly provided on the bearing plate 3. A threaded hole 302 is provided in the mounting block 301. A fixing screw is inserted through the threaded hole 302. A plurality of positioning holes 401 are radially provided on the side of the turntable 4 along its circumference, and all the positioning holes 401 are distributed along the circumference of the turntable 4. After the fixing screw passes through the threaded hole 302, it can be inserted into one of the positioning holes 401. When it is necessary to rotate the turntable 4 again, the fixing screw can be removed.
[0031] Embodiment 6
[0032] This embodiment is an improved solution based on Embodiment 4. Its main structure is the same as that of Embodiment 4. The improvement lies in that: as Figure 1 and Figure 2As shown, in order to facilitate the installation of the cable reel 6 onto the turntable 4 without affecting the use of the cable reel 6, a connecting shaft 601 is coaxially disposed within the cable reel 6. Two sets of mounting rods 5 are fixedly provided on the bearing plate 3. Each set of mounting rods 5 has two rods, and a space 501 for accommodating the connecting shaft 601 is formed between the two rods of each set. A slider 502 is slidably sleeved on the two rods of each set in common. The portion of the connecting shaft 601 extending out of the cable reel 6 can be placed on the slider 502. A jack 503 is further provided between the two mounting rods 5. The jack 503 is fixedly connected to the turntable 4, and the lifting member of the jack 503 is fixedly connected to the bottom of the slider 502. The cable reel 6 is placed on the turntable 4, and at the same time, the connecting shaft 601 is located between the two mounting rods 5. At this time, due to its own gravity, the cable reel 6 will contact the surface of the turntable 4. The lifting member of the jack 503 pushes the slider 502 upward until the slider 502 contacts the portion of the connecting shaft 601 extending out of the cable reel 6, and then continues to push the slider 502 upward so that the cable reel 6 no longer contacts the turntable 4.
[0033] Embodiment 7
[0034] This embodiment is an improved solution based on Embodiment 1. Its main structure is the same as that of Embodiment 1. The improvement lies in: as Figure 1 and Figure 2 shown, a vertical connecting rod 7 is provided on the bearing plate 3. A plurality of connecting rings 702 are spaced along the length direction of the connecting rod 7. The connecting rings 702 are used to connect the traction device 1. The connecting rings 702 are connected to the traction device 1 through connecting chains 701. According to needs, one of the connecting rings 702 is selected for connection by the connecting chain 701. The traction device 1 can be set as a winch or a mine car. When set as a mine car, the two ends of the connecting chain 701 are respectively connected to the mine car and one of the connecting rings 702; when set as a winch, it is directly connected to one of the connecting rings 702 through the steel rope on the winch.
[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.
Claims
1. A cable retracting and releasing device for underground coal mines, characterized in that: The invention comprises a cable drum (6) and a bearing mechanism for bearing the cable drum (6), wherein the bearing mechanism comprises a bearing plate (3) and at least two bearing shafts (2) fixedly arranged at the bottom of the bearing plate (3), and wheels (201) and track wheels (202) capable of matching with underground tracks are rotatably sleeved at both ends of the bearing shafts (2), and the two track wheels (202) are located between the two wheels (201), and there is a gap between adjacent wheels (201) and track wheels (202).
2. The cable retracting and releasing device for underground coal mines according to claim 1, characterized in that: The wheel (201) and the track wheel (202) are both rotatably connected to the load-bearing shaft (2) via bearings (204).
3. The cable retracting and releasing device for underground coal mines according to claim 2, characterized in that: A baffle ring (203) is provided between adjacent wheels (201) and rail wheels (202), two sides of the baffle ring (203) are respectively fitted with the wheels (201) and the end covers (2041) of the bearings (204), and the baffle ring (203) is sleeved on the bearing shaft (2).
4. The cable retracting and releasing device for underground coal mines according to claim 1, characterized in that: Blocking rings (2021) are arranged on the opposite surfaces of the two track wheels (202), and when the track wheels (202) cooperate with the underground track, the blocking rings (2021) fit on the inner side of the underground track.
5. The cable retracting and releasing device for underground coal mines according to claim 1, characterized in that: A turntable (4) is rotatably arranged on the bearing plate (3), the cable reel (6) is detachably arranged on the turntable (4), and a fixing member is fixedly arranged on the bearing plate (3), the fixing member being used to fix the direction of the turntable (4).
6. The cable retracting and releasing device for underground coal mines according to claim 5, characterized in that: The fixing member comprises a mounting block (301) fixedly arranged on the bearing plate (3), the mounting block (301) being provided with a screw hole (302), a fixing screw rod being inserted into the screw hole (302), a plurality of positioning holes (401) being provided in the radial direction of the side of the rotating disk (4), and all the positioning holes (401) being distributed along the circumference of the rotating disk (4), and the fixing screw rod can be inserted into one of the positioning holes (401) after passing through the screw hole (302).
7. The cable retracting and releasing device for underground coal mines according to claim 5, characterized in that: A connecting shaft (601) is coaxially passed through the cable drum (6), and two groups of mounting rods (5) are fixedly arranged on the bearing plate (3), each group of mounting rods (5) has two rods, and a space (501) for accommodating the connecting shaft (601) is formed between the two mounting rods (5) in each group, and a slider (502) is slidably sleeved on the two mounting rods (5) in each group, and the portion of the connecting shaft (601) extending out of the cable drum (6) can be placed on the slider (502), and a jack (503) is also arranged between the two mounting rods (5), the jack (503) is fixedly connected to the turntable (4), and the lifting piece of the jack (503) is fixedly connected to the bottom of the slider (502).
8. The cable retracting and releasing device for underground coal mines according to claim 1, characterized in that: A vertical connecting rod (7) is provided on the bearing plate (3), and a plurality of connecting rings (702) are distributed at intervals along the length direction of the connecting rod (7), and the connecting rings (702) are used to connect the traction device (1).
9. The cable retracting and releasing device for underground coal mines according to claim 8, characterized in that: The connecting ring (702) is connected to the traction device (1) via a connecting chain (701).