Suspension device for maintenance of coal mine electromechanical equipment

By designing a maintenance suspension device for mechanical and electrical equipment of coal mines with torque adjustment mechanism, the problem that existing devices cannot adjust the torque and swing range of the cantilever beam is solved, and flexible adjustment of equipment weight and height is achieved, and the scope of application is expanded and improved. Mobility efficiency and security.

CN222454370UActive Publication Date: 2025-02-11HEBI COAL & ELECTRICITY CO LTD NO 3 COAL MINE

Patent Information

Application Number
CN202421084415.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-02-11
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The existing coal mine electromechanical equipment maintenance suspension devices cannot adjust the torque and swing range of the cantilever beam, resulting in limited scope of application and inability to effectively increase the weight and height of the equipment.

Method used

A suspension device including a chassis, a support arm, a cantilever beam assembly, a manual hydraulic push rod and a torque adjustment mechanism are designed. The torque adjustment mechanism adjusts the position of the upper end of the manual hydraulic push rod by rotating the torque adjustment screw arranged below the cantilever beam assembly, thereby adjusting the torque and swing range of the cantilever beam.

Benefits of technology

By adjusting the torque and swing range of the cantilever beam, the lifting weight and height of the equipment can be changed, the scope of application of the suspension device is expanded, and the movement efficiency and safety of the equipment are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a suspension device for maintenance of coal mine electromechanical equipment, which comprises a bottom frame, walking wheels uniformly arranged at the bottom of the bottom frame, a supporting arm fixedly arranged at the top of the bottom frame, a cantilever beam assembly hinged to the upper end of the supporting arm, and a lifting hook connected below one end, deviating from the supporting arm, of the cantilever beam assembly through a steel rope. A manual hydraulic push rod is arranged between the supporting arm and the cantilever beam assembly, the bottom end of the manual hydraulic push rod is hinged to one side of the supporting arm, a torque adjusting mechanism is arranged between the top end of the manual hydraulic push rod and the cantilever beam assembly, and the torque adjusting mechanism is used for adjusting the position of the upper end of the manual hydraulic push rod along the cantilever beam assembly; according to the lifting device, the torque and the swing range of the cantilever beam assembly can be adjusted by adjusting the position of the upper end of the manual hydraulic push rod along the cantilever beam assembly through the torque adjusting mechanism, the weight and the height of the lifting device can be changed, and the application range of the lifting device is widened.
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Description

Technical Field

[0001] The utility model belongs to the technical field of suspension devices, and in particular relates to a suspension device for repairing electromechanical equipment in coal mines. Background Art

[0002] During the daily inspection and maintenance of underground coal mines, mining equipment is usually moved and inspected by manual lifting and handling during its transportation. Not only is the labor intensity high and prone to safety accidents, but the manual handling of equipment is slow, resulting in low equipment maintenance efficiency, which greatly affects the normal production of coal mines.

[0003] In the prior art, a Chinese utility model patent document with authorization announcement number CN211255037U discloses a lifting device for coal mine maintenance equipment, which uses a manual hydraulic push rod as a power source to drive the cantilever beam to move up and down to lift and carry the equipment, thereby solving the problem of high manual labor intensity and greatly improving the equipment moving speed compared to manual handling. However, the upper and lower ends of the manual hydraulic push rod are respectively hinged to the cantilever beam and the support beam, but the torque and swing range of the cantilever beam cannot be adjusted, thereby limiting its scope of application.

[0004] Therefore, it is necessary to design a suspension device for coal mine electromechanical equipment maintenance that can adjust the torque and swing range of the cantilever beam to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the utility model provides a suspension device for repairing coal mine electromechanical equipment, which can adjust the moment and swing range of a cantilever beam.

[0006] The technical solution of the utility model is: a suspension device for repairing electromechanical equipment in coal mines, comprising a base frame, the bottom of the base frame is evenly provided with walking wheels, the top of the base frame is fixedly provided with a support arm, the upper end of the support arm is hinged with a cantilever beam assembly, a hook is connected to the lower end of the cantilever beam assembly away from the support arm through a steel cable, a manual hydraulic push rod is arranged between the support arm and the cantilever beam assembly, the bottom end of the manual hydraulic push rod is hinged to one side of the support arm, a torque adjustment mechanism is arranged between the top end of the manual hydraulic push rod and the cantilever beam assembly, and the torque adjustment mechanism is used to adjust the position of the upper end of the manual hydraulic push rod along the cantilever beam assembly.

[0007] The torque adjustment mechanism comprises a torque adjustment screw which is rotatably arranged below the cantilever beam assembly; the upper end of the manual hydraulic push rod is hinged with an articulated seat, and the articulated seat is threadedly connected to the torque adjustment screw.

[0008] The torque adjustment screw is rotatably supported at the bottom of the cantilever beam assembly through a support, and a hexagonal prism is arranged at one end of the torque adjustment screw.

[0009] A sliding sleeve is fixedly arranged on the top of the hinge seat, and the sliding sleeve is slidably sleeved on the outer side of the cantilever beam assembly.

[0010] The cantilever beam assembly comprises an outer cantilever beam, one end of the outer cantilever beam is hinged to the top end of the support arm, an inner cantilever beam is slidably arranged inside the other end of the outer cantilever beam, a telescopic adjustment screw is arranged along the inside of the end of the outer cantilever beam away from the inner cantilever beam, one end of the telescopic adjustment screw is rotatably connected to the end of the outer cantilever beam, the other end of the telescopic adjustment screw is threadedly connected to the inner cantilever beam, and the steel cable is connected to the end of the inner cantilever beam away from the outer cantilever beam.

[0011] The base frame is evenly provided with supporting mechanisms, and the supporting mechanisms have lifting and lowering adjusting screws arranged along the vertical direction, the lifting and lowering adjusting screws are threadedly connected with the base frame, and the bottom ends of the lifting and lowering adjusting screws are rotatably provided with supporting chassis.

[0012] The support arm and the base frame form an angle of 60-80 degrees, and a reinforcing rod is arranged between the support arm and the base frame.

[0013] Beneficial effects of the utility model: In the utility model, by adjusting the position of the upper end of the manual hydraulic push rod along the cantilever beam assembly through the torque adjustment mechanism, the torque and swing range of the cantilever beam assembly can be adjusted, the weight and height of the lifting equipment can be changed, and the scope of application can be expanded. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is one of the structural schematic diagrams of the suspension device for repairing coal mine electromechanical equipment.

[0015] Figure 2 The second structural schematic diagram of the suspension device for repairing electromechanical equipment in a coal mine according to the utility model.

[0016] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0017] Figure 4 for Figure 2 Cross-section view at the middle BB. DETAILED DESCRIPTION

[0018] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is by no means intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0019] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] like Figure 1 and 2 As shown, the suspension device for repairing electromechanical equipment in coal mines comprises a base frame 1, the bottom of the base frame 1 is evenly provided with walking wheels 2, a support arm 3 is fixedly provided on the top of the base frame 1, a cantilever beam assembly 5 is hinged on the upper end of the support arm 3, a hook 7 is connected to the lower end of the cantilever beam assembly 5 away from the support arm 3 through a steel cable, a manual hydraulic push rod 9 is arranged between the support arm 3 and the cantilever beam assembly 5, the bottom end of the manual hydraulic push rod 9 is hinged to one side of the support arm 3, a torque adjustment mechanism 6 is arranged between the top end of the manual hydraulic push rod 9 and the cantilever beam assembly 5, and the torque adjustment mechanism 6 is used to adjust the position of the upper end of the manual hydraulic push rod 9 along the cantilever beam assembly 5; in this embodiment, by adjusting the position of the upper end of the manual hydraulic push rod 9 along the cantilever beam assembly 5 through the torque adjustment mechanism 6, the torque and swing range of the cantilever beam assembly 5 can be adjusted, the weight and height of the lifting equipment can be changed, and the scope of application can be expanded.

[0021] In some embodiments, Figure 2 and 3 As shown, the torque adjustment mechanism 6 has a torque adjustment screw 64 rotatably arranged under the cantilever beam assembly 5, and the upper end of the manual hydraulic push rod 9 is hinged with an articulated seat 61, and the articulated seat 61 is threadedly connected to the torque adjustment screw 64. The torque adjustment screw 64 is rotated, and the torque adjustment screw 64 cooperates with the articulated seat 61 through a threaded structure, which can drive the adjustment seat 61 to move along the cantilever beam assembly 5, thereby driving the upper end of the manual hydraulic push rod 9 to move along the cantilever beam assembly 5, changing the torque of the cantilever beam assembly 5 and the angle range of the cantilever beam assembly 5.

[0022] In some embodiments, the torque adjustment screw 64 is rotatably supported at the bottom of the cantilever beam assembly 5 by a support 63. The torque adjustment screw 64 is rotatably set inside the support 63. The support 63 is welded and fixed to the bottom of the cantilever beam assembly 5. A hexagonal prism 65 is set at one end of the torque adjustment screw 64. The hexagonal prism 65 facilitates clamping to rotationally adjust the torque adjustment screw 64.

[0023] In some embodiments, a sliding sleeve 62 is fixedly provided on the top of the articulated seat 61, and the sliding sleeve 62 is slidably mounted on the outer side of the cantilever beam assembly 5. The articulated seat 61 is slidably connected to the cantilever beam assembly 5 through the sliding sleeve 62, thereby improving the stability of the sliding connection between the articulated seat 61 and the cantilever beam assembly 5.

[0024] In some embodiments, Figure 2 and 4 As shown, the cantilever beam assembly 5 has an outer cantilever beam 51, one end of the outer cantilever beam 51 is hinged to the top end of the support arm 3, and an inner cantilever beam 52 is slidably arranged inside the other end of the outer cantilever beam 51, and a telescopic adjustment screw 53 is arranged along the inner side of the end of the outer cantilever beam 51 away from the inner cantilever beam 52, one end of the telescopic adjustment screw 53 is rotatably connected to the end of the outer cantilever beam 51, and the other end of the telescopic adjustment screw 53 is threadedly connected to the inner cantilever beam 52, and the steel cable 71 is connected to the end of the inner cantilever beam 52 away from the outer cantilever beam 51, and a handle is arranged at one end of the telescopic adjustment screw 53, and the telescopic adjustment screw 53 is rotated by the handle. The telescopic adjustment screw 53 cooperates with the inner cantilever beam 52 through a threaded structure, which can drive the inner cantilever beam 52 to move and telescope inside the outer cantilever beam 51, thereby realizing the length adjustment of the cantilever beam assembly 5.

[0025] In some embodiments, a support mechanism 8 is evenly arranged on the base frame 1, and the support mechanism 8 has a lifting and adjusting screw 82 arranged in the vertical direction. The lifting and adjusting screw 82 is threadedly connected to the base frame 1, and a supporting chassis 81 is rotatably arranged at the bottom end of the lifting and adjusting screw 82. Before lifting the equipment, a handle is arranged on the top of the lifting and adjusting screw 82. The lifting and adjusting screw 82 is screwed by the handle, so that the lifting and adjusting screw 82 and the base frame 1 cooperate through the threaded structure, driving the lifting and adjusting screw 82 to drive the supporting chassis 81 to move up and down, and the supporting chassis 81 moves downward and contacts the ground, which can improve the stability of the base frame 1 during the lifting process of the equipment.

[0026] In some embodiments, the support arm 3 and the base frame 1 form an angle of 60 to 80 degrees, and a reinforcing rod 4 is provided between the support arm 3 and the base frame 1 .

[0027] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0028] The above-mentioned embodiments only express some implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A suspension device for coal mine electromechanical equipment maintenance, characterized in that: The invention comprises a base frame, the bottom of which is evenly provided with walking wheels, the top of which is fixedly provided with a support arm, the upper end of the support arm is hinged with a cantilever beam assembly, a hook is connected to the lower end of the cantilever beam assembly away from the support arm through a steel cable, a manual hydraulic push rod is provided between the support arm and the cantilever beam assembly, the bottom end of the manual hydraulic push rod is hinged to one side of the support arm, a torque adjustment mechanism is provided between the top end of the manual hydraulic push rod and the cantilever beam assembly, and the torque adjustment mechanism is used to adjust the position of the upper end of the manual hydraulic push rod along the cantilever beam assembly.

2. The suspension device for coal mine electromechanical equipment maintenance according to claim 1 is characterized in that: The torque adjustment mechanism comprises a torque adjustment screw which is rotatably arranged below the cantilever beam assembly; the upper end of the manual hydraulic push rod is hinged with an articulated seat, and the articulated seat is threadedly connected to the torque adjustment screw.

3. The suspension device for coal mine electromechanical equipment maintenance according to claim 2 is characterized in that: The torque adjustment screw is rotatably supported at the bottom of the cantilever beam assembly through a support, and a hexagonal prism is arranged at one end of the torque adjustment screw.

4. The suspension device for coal mine electromechanical equipment maintenance according to claim 2 is characterized in that: A sliding sleeve is fixedly arranged on the top of the hinge seat, and the sliding sleeve is slidably sleeved on the outer side of the cantilever beam assembly.

5. The suspension device for coal mine electromechanical equipment maintenance according to claim 1 is characterized in that: The cantilever beam assembly comprises an outer cantilever beam, one end of the outer cantilever beam is hinged to the top end of the support arm, an inner cantilever beam is slidably arranged inside the other end of the outer cantilever beam, a telescopic adjustment screw is arranged along the inside of the end of the outer cantilever beam away from the inner cantilever beam, one end of the telescopic adjustment screw is rotatably connected to the end of the outer cantilever beam, the other end of the telescopic adjustment screw is threadedly connected to the inner cantilever beam, and the steel cable is connected to the end of the inner cantilever beam away from the outer cantilever beam.

6. The suspension device for coal mine electromechanical equipment maintenance according to claim 1 is characterized in that: The base frame is evenly provided with supporting mechanisms, and the supporting mechanisms have lifting and lowering adjusting screws arranged along the vertical direction, the lifting and lowering adjusting screws are threadedly connected with the base frame, and the bottom ends of the lifting and lowering adjusting screws are rotatably provided with supporting chassis.

7. The suspension device for coal mine electromechanical equipment maintenance according to claim 1 is characterized in that: The support arm and the base frame form an angle of 60-80 degrees, and a reinforcing rod is arranged between the support arm and the base frame.

Citation Information

Patent Citations

  • Coal mine maintenance equipment hoisting device

    CN211255037U

Cited By

  • Suspension device for coal mine electromechanical equipment

    CN224493552U