Self-moving hydraulic clamping wheel walking device suitable for I-shaped steel monorail crane

Abstract

The utility model provides a self-moving type hydraulic drive clamping wheel walking device suitable for an I-steel monorail crane, which relates to the technical field of coal mine equipment, and comprises a driving part, a clamping wheel assembly, a gravity swing part assembly and two groups of main plates, the driving part is arranged at the middle ends of the interiors of the two groups of main plates, and the clamping wheel assembly is arranged on the middle ends of the interiors of the two groups of main plates. The clamping wheel assemblies are arranged at the two ends of the interiors of the two main plates and used for being movably clamped on I-shaped steel. The hydraulic motor of the driving part is matched with the speed reducer, power is provided for the walking wheels based on the driving driving shaft and the driven driving shaft, walking on the I-shaped steel rail is achieved, the swing piece toothed bar is located at the front end meshing position between the two sets of gears, and under the action of gravity, when the two sets of gears rotate reversely, the swing piece toothed bar is driven to rotate. The swing piece toothed bar is clamped between the two sets of gears for self-locking, the triple protection effect is achieved in cooperation with the self-locking function of the hydraulic motor and the self-locking function of the speed reducer, the overall structure is compact, power is high, and operation is safe and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine equipment, in particular to a self-moving hydraulic clamping wheel walking device suitable for an I-beam monorail crane. Background Art

[0002] When the fully mechanized mining face in the coal mine is circulated and advanced, the fully mechanized mining equipment such as the coal mining machine, the transfer machine, and the scraper conveyor need to drag a large number of cables and hydraulic pipes when they are moving. These power cables and hydraulic pipes are generally hung on the pulley assembly. The pulley assembly uses the I-beam monorail crane as the track and retreats with the working face under the drag of the unit. However, since the pulley assembly lacks an independent power source, it cannot actively move along the I-beam monorail crane track. In particular, it is easy to get stuck or even run away in the tunnels with ups and downs, which makes it difficult for the fully mechanized mining equipment to move forward. In the case of overload, the pipeline will break, which poses a great safety hazard and seriously affects the production efficiency.

[0003] There are also many existing pneumatic or electro-hydraulic towing power cable liquid pipe devices, but such devices are often 4 meters long, occupying a large amount of space, and have a mass greater than 1 ton. They generate a large load on the existing monorail crane during operation, and are difficult to meet actual needs in terms of volume, convenient power source, traction, safety, etc. Therefore, the utility model proposes a self-moving hydraulic clamping wheel walking device suitable for I-beam monorail crane to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a self-moving hydraulic clamp wheel traveling device suitable for I-beam monorail crane. The self-moving hydraulic clamp wheel traveling device suitable for I-beam monorail crane achieves triple protection, has a compact overall structure, strong power, and safe and efficient operation.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a self-moving hydraulic clamping wheel walking device suitable for an I-beam monorail crane, comprising a driving part, a clamping wheel assembly, a gravity pendulum assembly and a main board, the main board is provided with two groups, the driving part is arranged at the middle end inside the two groups of the main boards, the clamping wheel assembly is arranged at the two ends inside the two groups of the main boards, and the clamping wheel assembly is used to movably clamp on the I-beam, the driving part comprises a reducer fixing frame, a hydraulic motor, an active drive shaft and a driven drive shaft, the reducer fixing frame is fixed between the two groups of the main boards, and a reducer is arranged on the reducer fixing frame, the output end of the hydraulic motor is connected to the reducer, and the output end of the reducer is connected to the active drive shaft, the driven drive shaft is rotatably mounted on the main board on one side, the upper ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with walking wheels, and the two groups of the walking wheels are respectively used to movably clamp on both sides of the I-beam, and the lower ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with gears meshing with each other;

[0006] The gravity pendulum assembly includes a gear rod frame and a pendulum gear rod. The gear rod frame is fixed to a main board on one side. A mounting groove is provided inside the gear rod frame. The upper end of the pendulum gear rod is hinged to the mounting groove, and the pendulum gear rod is located at the front end between the two groups of gears.

[0007] A further improvement is that: connecting studs are connected between the two groups of main boards, and multiple groups of connecting studs are provided, and a limiting column is provided at one end between the two groups of main boards.

[0008] A further improvement is that the active drive shaft and the driven drive shaft have the same structure, and both the active drive shaft and the driven drive shaft include a first rotating shaft, a first coupling and a plum blossom pad, the first rotating shaft is connected to the first coupling, and the first coupling is provided with a plum blossom pad, and the gear is installed on the first rotating shaft.

[0009] A further improvement is that: a second coupling is provided on the plum blossom pad, and a second rotating shaft is provided on the second coupling, and the travel wheel is installed on the second rotating shaft.

[0010] A further improvement is that bearing seats are provided on the inner sides of the two groups of main boards, and the active drive shaft and the driven drive shaft are rotatably mounted on the bearing seats on both sides respectively.

[0011] A further improvement is that the clamping wheel assembly comprises a front fixing frame and a rear fixing frame, and the front fixing frame and the rear fixing frame are respectively installed at two ends between the two groups of main boards.

[0012] A further improvement is that a mounting frame is provided above the front fixing frame and the rear fixing frame, and clamping wheels are rotatably provided on both sides of the mounting frame, and the clamping wheels at the two side positions are respectively used to flexibly clamp on both sides of the I-beam.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model utilizes a hydraulic motor of a driving unit in combination with a reducer, and provides power to the traveling wheels based on an active driving shaft and a driven driving shaft, so as to realize traveling on an I-beam track. The swing gear rod is located at the front end meshing position between the two sets of gears. Under the action of gravity, when the two sets of gears rotate in opposite directions, the swing gear rod is inserted between the two sets of gears for self-locking, and cooperates with the self-locking function of the hydraulic motor and the reducer itself to achieve triple protection. The overall structure is compact, the power is strong, and the operation is safe and efficient.

[0015] 2. The clamping wheel of the clamping wheel assembly of the utility model is nested in the groove of the I-beam. Through the action of the clamping wheel assembly, the whole device is firmly hung on the I-beam, which is more stable.

[0016] 3. The hydraulic motor of the utility model uses the high-pressure emulsion of the same source as the hydraulic support of the fully mechanized working face in the coal mine as the power, and shares the power source. The high-pressure power liquid comes from the underground emulsion pump station. The power source is convenient and fast, and the maintenance is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the driving part of the utility model;

[0020] Figure 4 This is a schematic diagram of the clamping wheel assembly of the utility model;

[0021] Figure 5 It is a schematic diagram of the gravity pendulum component of the utility model.

[0022] Among them: 1. Driving unit; 2. Clamp wheel assembly; 3. Gravity pendulum assembly; 4. Main board; 5. Reducer fixing frame; 6. Hydraulic motor; 7. Reducer; 8. Travel wheel; 9. Gear rod frame; 10. Pendulum gear rod; 11. Connecting stud; 12. Limiting column; 13. First rotating shaft; 14. Gear; 15. First coupling; 16. Plum blossom pad; 17. Second coupling; 18. Second rotating shaft; 19. Bearing seat; 20. Front fixing frame; 21. Rear fixing frame; 22. Mounting frame; 23. Clamp wheel. DETAILED DESCRIPTION

[0023] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0024] Embodiment 1

[0025] according to Figure 1 , 2As shown in Figures 3, 4 and 5, this embodiment proposes a self-propelled hydraulic clamping wheel walking device suitable for an I-beam monorail crane, comprising a driving unit 1, a clamping wheel assembly 2, a gravity pendulum assembly 3 and a main board 4, wherein the main board 4 is provided with two groups, wherein the driving unit 1 is provided at the middle end of the two groups of main boards 4, the clamping wheel assembly 2 is provided at both ends of the two groups of main boards 4, and the clamping wheel assembly 2 is used for movably clamping on the I-beam, the driving unit 1 comprises a reducer fixing frame 5, a hydraulic motor 6, an active drive shaft and a driven drive shaft, and the reducer The reducer fixing frame 5 is fixed between the two groups of main boards 4, and a reducer 7 is provided on the reducer fixing frame 5, the output end of the hydraulic motor 6 is connected to the reducer 7, and the output end of the reducer 7 is connected to the active drive shaft, and the driven drive shaft is rotatably mounted on the main board 4 on one side, and the upper ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with walking wheels 8, and the two groups of walking wheels 8 are respectively used for movably clamping on both sides of the I-beam, and the lower ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with mutually meshing gears 14;

[0026] The gravity pendulum component 3 includes a gear bar frame 9 and a pendulum gear bar 10. The gear bar frame 9 is fixed on the main board 4 on one side. The gear bar frame 9 is provided with a mounting groove inside. The upper end of the pendulum gear bar 10 is hinged to the mounting groove, and the pendulum gear bar 10 is located at the front end between the two groups of gears 14. When in use, the hydraulic motor 6 of the drive unit 1 is matched with the reducer 7, and the active drive shaft and the driven drive shaft are used to provide power for the walking wheel 8 to achieve walking on the I-beam track. It also has three self-locking functions to prevent the device from running on a slope. The first self-locking function is that a one-way locking valve is installed in the inlet and return pipeline of the hydraulic motor 6. The valve will be closed in one direction when the liquid supply stops. The residual pressure in its closed chamber will prevent the motor from rotating, achieving a self-locking effect; the second self-locking device is that the reducer 7 has a two-way active self-locking function, and the two-way locking feature makes the operation safer; the third self-locking device is that the pendulum gear bar 10 is located at the front end meshing between the two groups of gears 14. Under the action of gravity, when the two groups When the gear 14 rotates in the opposite direction, the swing gear rod 10 is stuck between the two sets of gears 14 for self-locking; the hydraulic motor 6 is connected to the high-pressure emulsion of the same power source as the hydraulic support of the underground comprehensive mining working face of the coal mine as the power, and the hydraulic motor 6 runs at high speed driven by the high-pressure emulsion, and the reducer 7 works. The reducer 7 converts the high-speed rotation force of the hydraulic motor 6 into a low-speed rotation force, and changes the output torque size and direction, and finally drives the travel wheel 8 to rotate, so that the whole device can move with the I-beam as the track. A one-way locking valve is installed in the inlet and return pipeline of the hydraulic motor 6. The valve will be closed in one direction when the fluid supply is stopped. The residual pressure in its closed chamber will prevent the motor from rotating, thereby achieving a self-locking effect.

[0027] A connecting stud 11 is connected between the two groups of main boards 4, and multiple groups of connecting studs 11 are provided. A limiting column 12 is provided at one end between the two groups of main boards 4. There are nine connecting studs 11 in total, which are fixedly connected to the front and rear main boards 4 respectively to firmly connect the front and rear main boards 4 together; the limiting column 12 is installed between the front and rear main boards 4 to limit the installation position of the front and rear main boards 4.

[0028] The active drive shaft and the driven drive shaft have the same structure, and both the active drive shaft and the driven drive shaft include a first rotating shaft 13, a first coupling 15 and a plum blossom pad 16. The first rotating shaft 13 is connected with the first coupling 15, and the first coupling 15 is provided with a plum blossom pad 16, which has good shock absorption and vibration absorption effects. The gear 14 is installed on the first rotating shaft 13. The plum blossom pad 16 is provided with a second coupling 17, and the second coupling 17 is provided with a second rotating shaft 18, and the walking wheel 8 is installed on the second rotating shaft 18. The inner sides of the two groups of main boards 4 are provided with bearing seats 19, and the active drive shaft and the driven drive shaft are rotatably installed with the bearing seats 19 on both sides respectively.

[0029] Embodiment 2

[0030] according to Figure 1 , 2 As shown in Figures 3, 4 and 5, this embodiment proposes a self-propelled hydraulic clamping wheel walking device suitable for an I-beam monorail crane, comprising a driving unit 1, a clamping wheel assembly 2, a gravity pendulum assembly 3 and a main board 4, wherein the main board 4 is provided with two groups, wherein the driving unit 1 is provided at the middle end of the two groups of main boards 4, the clamping wheel assembly 2 is provided at both ends of the two groups of main boards 4, and the clamping wheel assembly 2 is used for movably clamping on the I-beam, the driving unit 1 comprises a reducer fixing frame 5, a hydraulic motor 6, an active drive shaft and a driven drive shaft, and the reducer The reducer fixing frame 5 is fixed between the two groups of main boards 4, and a reducer 7 is provided on the reducer fixing frame 5, the output end of the hydraulic motor 6 is connected to the reducer 7, and the output end of the reducer 7 is connected to the active drive shaft, and the driven drive shaft is rotatably mounted on the main board 4 on one side, and the upper ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with walking wheels 8, and the two groups of walking wheels 8 are respectively used for movably clamping on both sides of the I-beam, and the lower ends of the outer sides of the active drive shaft and the driven drive shaft are both provided with mutually meshing gears 14;

[0031] The gravity pendulum component 3 includes a gear bar frame 9 and a pendulum gear bar 10. The gear bar frame 9 is fixed on the main board 4 on one side. The gear bar frame 9 is provided with a mounting groove inside. The upper end of the pendulum gear bar 10 is hinged to the mounting groove, and the pendulum gear bar 10 is located at the front end between the two groups of gears 14. When in use, the hydraulic motor 6 of the drive unit 1 is matched with the reducer 7, and the active drive shaft and the driven drive shaft are used to provide power for the walking wheel 8 to achieve walking on the I-beam track. It also has three self-locking functions to prevent the device from running on a slope. The first self-locking function is that a one-way locking valve is installed in the inlet and return pipeline of the hydraulic motor 6. The valve will be closed in one direction when the liquid supply stops. The residual pressure in its closed chamber will prevent the motor from rotating, achieving a self-locking effect; the second self-locking device is that the reducer 7 has a two-way active self-locking function, and the two-way locking feature makes the operation safer; the third self-locking device is that the pendulum gear bar 10 is located at the front end meshing between the two groups of gears 14. Under the action of gravity, when the two groups When the gear 14 rotates in the opposite direction, the swing gear rod 10 is stuck between the two sets of gears 14 for self-locking; the hydraulic motor 6 is connected to the high-pressure emulsion of the same power source as the hydraulic support of the underground comprehensive mining working face of the coal mine as the power, and the hydraulic motor 6 runs at high speed driven by the high-pressure emulsion, and the reducer 7 works. The reducer 7 converts the high-speed rotation force of the hydraulic motor 6 into a low-speed rotation force, and changes the output torque size and direction, and finally drives the travel wheel 8 to rotate, so that the whole device can move with the I-beam as the track. A one-way locking valve is installed in the inlet and return pipeline of the hydraulic motor 6. The valve will be closed in one direction when the fluid supply is stopped. The residual pressure in its closed chamber will prevent the motor from rotating, thereby achieving a self-locking effect.

[0032] The clamping wheel assembly 2 includes a front fixing frame 20 and a rear fixing frame 21, and the front fixing frame 20 and the rear fixing frame 21 are respectively installed at the two ends between the two groups of the main boards 4. A mounting frame 22 is provided above the front fixing frame 20 and the rear fixing frame 21, and clamping wheels 23 are rotatably provided on both sides of the mounting frame 22. The clamping wheels 23 at the two sides are respectively used to flexibly clamp on both sides of the I-beam. There are four clamping wheels 23 in total, and the outer circle of each clamping wheel 23 has a certain inclination to meet the inclination requirements of the I-beam. The outer circle of the clamping wheel 23 is respectively embedded in the grooves on the two sides of the I-beam. The clamping wheels 23 are used in pairs of two. The front and rear groups of clamping wheels 23 firmly suspend the entire device on the I-beam to provide support for the entire device.

[0033] The self-propelled hydraulic clamp wheel walking device suitable for I-beam monorail crane utilizes the hydraulic motor 6 of the driving part 1 with the reducer 7, and provides power for the walking wheel 8 based on the active driving shaft and the driven driving shaft, so as to realize walking on the I-beam track. The swing gear rod 10 is located at the front end meshing position between the two sets of gears 14. Under the action of gravity, when the two sets of gears 14 rotate in opposite directions, the swing gear rod 10 is clamped between the two sets of gears 14 for self-locking, and cooperates with the self-locking function of the hydraulic motor and the reducer to achieve triple protection. The overall structure is compact, the power is strong, the operation is safe and efficient, and the hydraulic motor 6 is powered by the high-pressure emulsion of the same source as the hydraulic support of the underground fully-mechanized working face of the coal mine, and the power source is shared. The high-pressure power liquid comes from the underground emulsion pump station, and the power source is convenient and fast, and the maintenance is simple. This product has a small size and large traction. The maximum pressure resistance of the hydraulic motor 6 is up to 31.5MPa, which can achieve the same power as a 7kW motor. Compared with electric and pneumatic devices, this product is smaller and more powerful, meeting the special requirements of confined spaces underground; high thrust-to-weight ratio, this product weighs about 160kg, thrust is 15500N, and the thrust-to-weight ratio is very high; compact structure, this product locomotive length is 0.75 meters, width is 0.4 meters, height is 0.75 meters, suitable for transportation requirements in narrow areas underground in coal mines; high safety, this finished product uses the self-locking characteristics of the hydraulic motor 6, the two-way self-locking characteristics of the reducer 7, and the self-locking of the gravity pendulum gear built into the structure. The triple self-locking protection makes the operation of this device safe and reliable; one or more devices can be arranged on the same I-beam track for flexible use. In addition, the clamping wheel 23 of the clamping wheel assembly 2 of this product is nested in the groove of the I-beam. Through the action of the clamping wheel assembly 2, the entire device is firmly hung on the I-beam, which is more stable.

[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A self-propelled hydraulic clamp wheel travel device suitable for an I-beam monorail crane, comprising a driving part (1), a clamp wheel assembly (2), a gravity pendulum assembly (3) and a main board (4), characterized in that: The main board (4) is provided with two groups, the driving part (1) is provided at the middle ends of the two groups of main boards (4), the clamping wheel assembly (2) is provided at the two ends of the two groups of main boards (4), and the clamping wheel assembly (2) is used for movably clamping on the I-beam, the driving part (1) comprises a reducer fixing frame (5), a hydraulic motor (6), an active drive shaft and a passive drive shaft, the reducer fixing frame (5) is fixed between the two groups of main boards (4), and a reducer (7) is provided on the reducer fixing frame (5), the output end of the hydraulic motor (6) is connected to the reducer (7), and the output end of the reducer (7) is connected to the active drive shaft, and the passive drive shaft is rotatably mounted on the main board (4) on one side, the upper ends of the outer sides of the active drive shaft and the passive drive shaft are both provided with walking wheels (8), and the two groups of walking wheels (8) are respectively used for movably clamping on the two sides of the I-beam, and the lower ends of the outer sides of the active drive shaft and the passive drive shaft are both provided with gears (14) meshing with each other; The gravity pendulum component (3) comprises a gear rod frame (9) and a pendulum gear rod (10), wherein the gear rod frame (9) is fixed on a main board (4) on one side, a mounting groove is provided inside the gear rod frame (9), an upper end of the pendulum gear rod (10) is hinged to the mounting groove, and the pendulum gear rod (10) is located at the front end between the two sets of gears (14).

2. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 1, characterized in that: A connecting stud (11) is connected between the two groups of main boards (4), and a plurality of connecting studs (11) are provided. A limiting column (12) is provided at one end between the two groups of main boards (4).

3. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 1, characterized in that: The active drive shaft and the driven drive shaft have the same structure, and both the active drive shaft and the driven drive shaft comprise a first rotating shaft (13), a first coupling (15) and a plum blossom washer (16); the first rotating shaft (13) is connected to the first coupling (15), and the first coupling (15) is provided with a plum blossom washer (16); the gear (14) is mounted on the first rotating shaft (13).

4. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 3, characterized in that: The plum blossom pad (16) is provided with a second coupling (17), and the second coupling (17) is provided with a second rotating shaft (18), and the travel wheel (8) is mounted on the second rotating shaft (18).

5. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 4, characterized in that: The inner sides of the two sets of main boards (4) are both provided with bearing seats (19), and the active drive shaft and the driven drive shaft are rotatably mounted on the bearing seats (19) on both sides respectively.

6. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 1, characterized in that: The clamping wheel assembly (2) comprises a front fixing frame (20) and a rear fixing frame (21), and the front fixing frame (20) and the rear fixing frame (21) are respectively mounted at two ends between the two sets of main boards (4).

7. The self-propelled hydraulic clamp wheel travel device suitable for I-beam monorail crane according to claim 6, characterized in that: A mounting frame (22) is provided above the front fixing frame (20) and the rear fixing frame (21), and clamping wheels (23) are rotatably provided on both sides of the mounting frame (22). The clamping wheels (23) at the two side positions are respectively used to flexibly clamp on both sides of the I-beam.

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