Unit support with top breaking device

By using a pneumatic adjusting rod and a worm gear self-locking mechanism, the problems of inconvenient adjustment and angle deviation of the existing roof-breaking unit support are solved, thus achieving the stability and safety of the roof-breaking jackknife and adapting to the roof-breaking requirements under complex geological conditions.

CN224107286UActive Publication Date: 2026-04-10ZHENGZHOU COAL MINING MASCH COMPREHENSIVE EQPT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENGZHOU COAL MINING MASCH COMPREHENSIVE EQPT CO LTD
Filing Date
2025-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing roof-breaking unit support is inconvenient to adjust and lacks a self-locking mechanism, which causes the angle to deviate during roof breaking and makes it impossible to break the roof accurately, especially posing a safety hazard under complex geological conditions.

Method used

The system employs a pneumatic adjusting rod and a worm gear self-locking mechanism. The worm gear is driven by a motor to rotate and drive the worm wheel, thereby adjusting the angle of the jacking. The self-locking property of the worm gear ensures stability, and the height and angle of the support plate are adjusted in conjunction with the pneumatic adjusting rod.

Benefits of technology

It improves the stability of the angle adjustment of the top-breaking device, prevents accidental retraction, expands the scope of application, ensures the safety and flexibility of the top-breaking process, and adapts to the top-breaking needs of different shapes and angles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine equipment, and discloses a unit support with a top breaking device, which comprises a base, two pneumatic adjusting rods are fixedly arranged on the upper surface of the base, a top breaking mechanism is arranged on the base, the top breaking mechanism comprises a support plate, a bearing seat, a transmission roller, a worm gear, a worm, a motor, a top breaking jack and a top breaking thorn, the supporting plate is fixedly installed at the upper ends of the two pneumatic adjusting rods, the two bearing seats are arranged on the front surface of the base, the transmission roller is fixedly arranged on the inner surfaces of the two bearing seats in a sleeving mode, and the worm gear is fixedly arranged on the outer surface of the transmission roller in a sleeving mode. The transmission roller transmits power, the top-breaking jack can complete angle adjustment, the stability of the top-breaking jack after angle adjustment is improved by means of the self-locking performance of the worm gear and the worm, the nail-breaking thorns can easily pierce into objects or structures needing top breaking after adjustment, and the purpose of top breaking is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine equipment technical field, concretely is a unit support with roof breaking device. BACKGROUND

[0002] The unit support with roof breaking device is a kind of equipment used in underground mining operations such as coal mine, which is usually composed of metal structural parts, including roof beam, column, base and other parts. The roof breaking device is usually installed at the front end of the roof beam or other suitable positions. Its principle is to crush and loosen the rock or coal seam of the roof when the support moves forward or performs support operation through specific mechanical structures or devices, such as telescopic roof breaking beam, components with crushing teeth, etc., to better control the roof and make it adapt to the support requirements of the support, which is also beneficial to subsequent mining operations.

[0003] Under complex geological conditions, especially when encountering hard roof, the roof breaking device can handle the roof in advance to prevent the roof from collapsing suddenly and ensure the safety of workers and equipment. However, the existing roof breaking unit support needs to adjust the angle of the roof breaking jack when breaking the roof, as the coal mine roof is not completely flat. The existing adjustment method is mostly adjusted directly by motor-driven transmission rollers, which may cause angle deviation of the roof breaking jack due to lack of self-locking mechanism, and cannot accurately break the roof. Therefore, the unit support with roof breaking device is proposed. SUMMARY

[0004] (I) Technical problem solved

[0005] To solve the problem of inconvenient adjustment of the roof breaking support, the utility model provides a unit support with roof breaking device.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a unit support with roof breaking device, comprising a base, the upper surface of the base is fixedly installed with two pneumatic adjusting rods;

[0008] Among them, the base is provided with a roof breaking mechanism, the roof breaking mechanism comprises a support plate, a bearing seat, a transmission roller, a worm gear, a worm, a motor, a roof breaking jack and a roof breaking spike.

[0009] Preferably, the support plate is fixedly installed at the upper end of the two pneumatic adjusting rods, and the two bearing seats are arranged on the front surface of the base.

[0010] Preferably, the transmission roller is fixedly sleeved on the inner surface of the two bearing seats, and the worm gear is fixedly sleeved on the outer surface of the transmission roller.

[0011] Preferably, the motor is fixedly installed on the upper surface of the base, the worm is fixedly installed on the output end of the motor, and the worm is in meshing connection with the worm wheel.

[0012] Preferably, the top-breaking jack is fixedly sleeved on the outer surface of the transmission roller, and the top-breaking spike is fixedly installed on the output end of the top-breaking jack.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the unit support with a top-breaking device has the following beneficial effects:

[0015] 1. The unit support with a top-breaking device, the motor provides power, the worm and the worm wheel are used for speed reduction and force increase, the transmission roller transmits power, the top-breaking jack can complete angle adjustment, the stability of the top-breaking jack after angle adjustment is improved by using the self-locking property of the worm and the worm wheel, and after adjustment, the top-breaking spike can easily penetrate into an object or a structure which needs to be broken, so that the purpose of breaking the top is achieved.

[0016] 2. The unit support with a top-breaking device, the base provides stable support to prevent the device from shaking or toppling over; the support plate protects the surrounding structure and personnel safety; the self-locking function of the worm and the worm wheel prevents the top-breaking jack from accidentally retracting, ensures the safety and stability of the breaking process, and the pneumatic adjusting rod can flexibly adjust the height and angle of the support plate, so that the device can adapt to different shapes, heights and angles of the breaking scene, and the application range is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the unit support with a top-breaking device of the utility model;

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

[0019] Figure 3 It is the unit support with a top-breaking device of the utility model Figure 2 It is an enlarged view of structure A in the utility model.

[0020] In the drawing: 1, base; 2, pneumatic adjusting rod; 3, support plate; 4, bearing seat; 5, transmission roller; 6, worm wheel; 7, worm; 8, motor; 9, top-breaking jack; 10, top-breaking spike. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-3 The utility model provides a new technical scheme: a unit support with a roof breaking device, comprising a base 1, the upper surface of the base 1 is fixedly installed with two pneumatic adjusting rods 2;

[0023] Wherein, the base 1 is provided with a roof breaking mechanism, the roof breaking mechanism comprises a supporting plate 3, a bearing seat 4, a transmission roller 5, a worm wheel 6, a worm 7, a motor 8, a roof breaking jack 9 and a roof breaking spike 10.

[0024] Further, the supporting plate 3 is fixedly installed at the upper end of the two pneumatic adjusting rods 2, and the two bearing seats 4 are arranged on the front surface of the base 1.

[0025] Further, the transmission roller 5 is fixedly sleeved on the inner surface of the two bearing seats 4, and the worm wheel 6 is fixedly sleeved on the outer surface of the transmission roller 5.

[0026] Further, the motor 8 is fixedly installed on the upper surface of the base 1, the worm 7 is fixedly installed on the output end of the motor 8, and the worm 7 is meshed and connected with the worm wheel 6.

[0027] Further, the roof breaking jack 9 is fixedly sleeved on the outer surface of the transmission roller 5, and the roof breaking spike 10 is fixedly installed on the output end of the roof breaking jack 9.

[0028] The unit support with the roof breaking device, first, according to the specific requirements of roof breaking work, by controlling the extension and retraction of the pneumatic adjusting rod 2, the height and angle of the supporting plate 3 are adjusted, so that the device is in the appropriate working position, then the motor 8 is started, the output end of the motor 8 drives the worm 7 to rotate, the worm 7 drives the worm wheel 6 meshed with it to rotate, the worm wheel 6 drives the roof breaking jack 9 fixedly sleeved on the same transmission roller 5 to rotate, the mechanism inside the roof breaking jack 9 converts the rotary motion into linear motion, so that the output end thereof extends, the roof breaking spike 10 at the output end of the roof breaking jack 9 moves to the object or structure needing to be broken under the action of the pushing force, until the spike penetrates and completes the roof breaking action, when the roof breaking operation is completed, the motor 8 is reversed to drive the output end of the roof breaking jack 9 to retract, and the roof breaking spike 10 returns to the initial position, finally, according to the needs, the position of the supporting plate 3 is adjusted again through the pneumatic adjusting rod 2, to prepare for the next work.

[0029] The unit support with the roof breaking device, the motor 8 provides power, reduces the force through the worm gear 6 and the worm 7, the transmission roller 5 transmits power, the roof breaking jack 9 can complete angle adjustment, and the stability of the roof breaking jack 9 after angle adjustment is improved by using the self-locking property of the worm gear 6 and the worm 7, the roof breaking spike 10 can easily penetrate into the object or structure needing to be broken after adjustment, and the purpose of breaking the roof is achieved. The unit support with the roof breaking device, the base 1 provides stable support to prevent the device from shaking or toppling over; the support plate 3 protects the surrounding structure and personnel safety; the self-locking function of the worm gear 6 and the worm 7 prevents the roof breaking jack 9 from retracting accidentally, ensuring the safety and stability of the breaking process; the pneumatic adjusting rod 2 can flexibly adjust the height and angle of the support plate 3, so that the device can adapt to different breaking scenarios in terms of shape, height and angle, thereby expanding the application range.

[0030] Structural description:

[0031] The base 1 is the basic support structure of the entire device, which is used to bear all other components and ensure the stability and reliability of the entire unit support, so that it can maintain a fixed position under various working conditions and provide a stable support platform for the normal work of other components.

[0032] The pneumatic adjusting rod 2 connects the base 1 and the support plate 3, and can adjust the height and angle of the support plate 3 through the pneumatic principle to adapt to different working scenarios and breaking requirements, providing flexible support and adjustment function for the support plate to ensure that it can accurately act on the position needing to be broken.

[0033] The support plate 3 is fixed at the upper end of the pneumatic adjusting rod 2, and mainly plays a supporting and protecting role in the breaking process to protect the area or structure needing protection from unnecessary damage caused by the breaking operation, and also provides a mounting and fixing position for other components of the breaking mechanism.

[0034] The bearing seat 4 is arranged on the front surface of the base 1 and is used to fix and support the transmission roller 5, so that the transmission roller 5 can stably rotate, reducing friction and shaking during rotation and ensuring the stability of power transmission, thereby providing a stable support point for the transmission system of the entire breaking mechanism.

[0035] The transmission roller 5 is fixedly sleeved on the inner surfaces of the two bearing seats 4 and serves as a key component for power transmission, which transmits the power of the motor 8 to the roof breaking jack 9 through the transmission of the worm gear 6 and the worm 7, drives the roof breaking jack 9 to perform corresponding actions, and also plays a certain role in force amplification and transmission during rotation, making the breaking action more powerful and efficient.

[0036] Worm wheel 6: fixedly sleeved on the outer surface of transmission roller 5, meshing connection with worm 7, mainly used for converting the rotary motion of worm 7 into the rotary motion of transmission roller 5, and also can realize the function of deceleration and force amplification, so that the high speed and small torque output of motor 8 is converted into the low speed and large torque output suitable for the top breaking operation, and the working efficiency and top breaking capacity of the top breaking mechanism are improved.

[0037] Worm 7: fixedly installed on the output end of motor 8, meshing with worm wheel 6, and is the transmission component between motor 8 and worm wheel 6, which transmits the power of motor 8 to worm wheel 6, realizes the conversion and transmission of power through the meshing transmission with worm wheel 6, and can realize a larger transmission ratio due to the characteristics of worm and worm wheel transmission, and meet the requirements of force and speed of the top breaking mechanism.

[0038] Motor 8: fixedly installed on the upper surface of base 1, as the power source of the whole top breaking mechanism, provides the required power for the top breaking operation. It drives worm 7 to rotate through the output shaft, and then drives worm wheel 6, transmission roller 5 and top breaking jack 9 and other components to move, so that the top breaking mechanism can complete the top breaking action, and the speed and torque directly affect the working efficiency and top breaking capacity of the top breaking mechanism.

[0039] Top breaking jack 9: fixedly sleeved on the outer surface of transmission roller 5, its main function is to convert the rotary motion into linear motion under the driving of transmission roller 5, and through the output end, it can extend or retract to push top breaking spike 10 to perform the top breaking operation, and can provide corresponding thrust according to the actual top breaking demand, and is the key executive component to realize the top breaking function.

[0040] Top breaking spike 10: fixedly installed on the output end of top breaking jack 9, is the component directly acting on the top breaking object, and its sharp shape can concentrate power, easily penetrate into the object or structure needing to be broken under the pushing of top breaking jack 9, and realize the purpose of top breaking, and its shape and material are usually designed and selected according to the specific requirements of top breaking, so as to ensure the top breaking effect and service life.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A unit support with a roof breaking device, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly provided with two pneumatic adjusting rods (2); The base (1) is provided with a roof breaking mechanism, and the roof breaking mechanism comprises a supporting plate (3), a bearing seat (4), a transmission roller (5), a worm wheel (6), a worm (7), a motor (8), a roof breaking jack (9) and a roof breaking spike (10).

2. A cell holder with a top breaking device according to claim 1, characterized in that: The supporting plate (3) is fixedly installed at the upper end of the two pneumatic adjusting rods (2), and the two bearing seats (4) are arranged on the front surface of the base (1).

3. The unit support with a top breaking device according to claim 1, characterized in that: The transmission roller (5) is fixedly sleeved on the inner surface of the two bearing seats (4), and the worm wheel (6) is fixedly sleeved on the outer surface of the transmission roller (5).

4. The unit support with a top breaking device according to claim 1, characterized in that: The motor (8) is fixedly installed on the upper surface of the base (1), the worm (7) is fixedly installed on the output end of the motor (8), and the worm (7) is in meshing connection with the worm wheel (6).

5. The cell holder with a top breaking device of claim 1, wherein: The roof breaking jack (9) is fixedly sleeved on the outer surface of the transmission roller (5), and the roof breaking spike (10) is fixedly installed on the output end of the roof breaking jack (9).