Rapid supporting device for replacing belt carrier roller

By designing a rapid support device that includes jacks and a support structure, the problems of high difficulty, long time consumption, and high safety risks in the replacement of idler rollers in coal mine belt conveyors have been solved, realizing rapid replacement and safe maintenance of idler rollers.

CN224212333UActive Publication Date: 2026-05-08CHINACOAL PINGSHUO GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINACOAL PINGSHUO GRP
Filing Date
2025-06-23
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

In coal mine belt conveyors, the replacement process of idler rollers is difficult, time-consuming, and carries high safety risks. Furthermore, the limited space for maintenance leads to low replacement efficiency and the inability to replace damaged idler rollers in a timely manner.

Method used

Design a rapid support device including a jack and a support structure. The belt is lifted by the support rod and support frame to achieve rapid separation of the belt from the idler roller. The idler roller can be quickly replaced using the power source of the jack.

Benefits of technology

This improved the efficiency of idler roller replacement, reduced maintenance difficulty and safety risks, and ensured the safety and convenience of the replacement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of belt conveyors, in particular to a rapid supporting device for replacing a belt carrier roller, which comprises a jack, and a supporting structure is arranged at the top end of the jack. The supporting structure comprises a vertically-arranged supporting rod, the bottom end of the supporting rod is fixedly connected with the output end of the jack, a plurality of adjusting holes are formed in the outer wall of the supporting rod at intervals in the axial direction of the supporting rod, an adjusting pin is arranged on the supporting rod, and the top end of the supporting rod is fixedly connected with a supporting frame used for directly bearing a belt. The support of the jack is used as a power source of the device, a screw thread above the original jack is changed into a shaft structure, the adjustable support rod is processed and mounted above the shaft structure of the jack, and meanwhile, the adjustable support rod is matched for use, so that the purpose of quickly supporting the belt and quickly replacing the carrier roller is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of belt conveyor technology, and specifically discloses a quick support device for replacing belt idlers. Background Technology

[0002] During the installation, commissioning, and maintenance of coal mine belt conveyors, there are instances of idlers falling off or becoming damaged. These need to be replaced promptly to prevent further damage to the belt. Each idler weighs an average of over 20 kg.

[0003] The weight and pressure of the conveyor belt increase the difficulty of replacing idler rollers. Especially when the belt is tensioned, replacing idler rollers requires maintenance personnel to use a hand-operated hoist to lift the belt or manually support it, posing a risk of idler rollers falling and injuring people during the process. Furthermore, limited maintenance space makes it inconvenient for personnel to work, and the use of hand-operated hoists and other tools is not practical. Replacing idler rollers is also time-consuming and inefficient, with the risk that not all damaged idler rollers can be replaced in a timely manner during each shift, which is detrimental to safe production. Therefore, a quick-support device for replacing conveyor belt idler rollers is needed to solve this problem. Utility Model Content

[0004] This utility model proposes a quick support device for replacing belt idlers. The device can quickly support the belt and separate it from the idler by using a support structure, thereby achieving the purpose of quick replacement of the idler, improving replacement efficiency and reducing maintenance difficulty.

[0005] This utility model is implemented as follows: a quick support device for replacing belt rollers includes a jack, and the top of the jack is provided with a supporting structure.

[0006] The supporting structure includes a vertically arranged support rod, the bottom end of which is fixedly connected to the output end of the jack. The outer wall of the support rod is provided with a plurality of adjustment holes spaced apart along its axial direction. An adjustment pin is provided on the support rod and is connected to the support rod by a connector. The size of the adjustment pin is adapted to the size of the adjustment hole, so that the adjustment pin can be selectively inserted into different adjustment holes to fix the extension height of the support rod relative to the jack. A support frame for directly supporting the belt is fixedly connected to the top end of the support rod.

[0007] As a preferred embodiment of the quick support device for replacing belt rollers according to this utility model, the bottom end of the jack is provided with an anti-slip pad.

[0008] As a preferred embodiment of the quick support device for replacing belt idlers according to this utility model, the top surface of the support frame has a structure that matches the belt.

[0009] As a preferred embodiment of the quick support device for replacing belt rollers according to this utility model, the surface of the support frame is provided with anti-slip texture.

[0010] As a preferred embodiment of the quick support device for replacing belt rollers according to this utility model, the connecting part is made of durable chain or high-strength nylon rope.

[0011] The beneficial effects of this utility model are:

[0012] By utilizing the support of a jack as the power source for this device, the original threaded connection above the jack is replaced with a shaft structure. An adjustable support rod is then machined and installed above the jack shaft structure. In conjunction with the use of the adjustable support rod, the belt can be quickly lifted, achieving the purpose of rapid replacement of idler rollers. Furthermore, this device has a simple structure, is lightweight and flexible in use, and is easy to carry. It also has a high safety factor when replacing various idler rollers during maintenance, installation, and debugging. Attached Figure Description

[0013] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0014] Figure 1 This is a front sectional view of a quick support device for replacing belt rollers according to the present invention.

[0015] Figure 2 This is a structural diagram of the anti-slip mat of this utility model.

[0016] The markings in the diagram are: 1. Jack; 101. Anti-slip mat; 2. Support rod; 201. Adjusting pin; 202. Adjusting hole; 203. Support frame. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0018] Please see Figure 1-2 A quick support device for replacing belt rollers includes a jack 1, and a support structure is provided at the top of the jack 1.

[0019] The supporting structure includes a vertically arranged support rod 2, the bottom end of which is fixedly connected to the output end of the jack 1. The outer wall of the support rod 2 is provided with a plurality of adjustment holes 202 spaced apart along its axial direction. An adjustment pin 201 is provided on the support rod 2 and is connected to the support rod 2 by a connector. The size of the adjustment pin 201 is adapted to the size of the adjustment hole 202, so that the adjustment pin 201 can be selectively inserted into different adjustment holes 202 to fix the extension height of the support rod 2 relative to the jack 1. A support frame 203 for directly supporting the belt is fixedly connected to the top end of the support rod 2.

[0020] In this embodiment: when it is necessary to replace the idler roller but the belt is pressing down on the idler roller and a single person cannot move it, and the idler roller cannot be replaced quickly, a support structure can be used to lift the belt. The height of the support rod 2 is adjusted according to the height of the belt. Specifically, a support point is selected at a suitable position on the belt longitudinal beam. The jack 1 is pressed to make the support rod 2 contact the belt and continuously raise it, so that the belt is detached from the idler roller. The adjusting pin 201 is inserted into the adjusting hole 202, which can quickly support the belt and separate the belt from the idler roller, so as to achieve the purpose of quickly replacing the idler roller. After replacing the idler roller, the jack 1 can be depressurized and retracted.

[0021] This device has a simple structure, is lightweight and flexible in use, and is easy to carry. It has a high safety factor when replacing various idler rollers during maintenance, installation and commissioning. It also greatly reduces the workload of employees, improves replacement efficiency, reduces labor input and reduces maintenance difficulty.

[0022] As a technical optimization of this utility model, the bottom end of the jack 1 is provided with an anti-slip pad 101.

[0023] In this embodiment, the anti-slip pad 101 can prevent the jack 1 from slipping during operation.

[0024] As a technical optimization of this utility model, the top surface of the support frame 203 is a structure that matches the belt.

[0025] In this embodiment, the top surface of the support frame 203 is designed to match the belt, allowing the support frame 203 to more closely and stably support the belt.

[0026] As a technical optimization of this utility model, the surface of the support frame 203 is provided with anti-slip texture.

[0027] In this embodiment, the anti-slip texture on the surface of the support frame 203 can significantly increase the coefficient of friction between the belt and the surface of the support frame 203, ensuring the reliability of the support.

[0028] As a technical optimization of this utility model, the connector is made of durable chain or high-strength nylon rope.

[0029] In this embodiment, by using a durable chain or high-strength nylon rope for the connector, the stability of the connection to the adjusting pin 201 can be increased, thereby preventing the adjusting pin 201 from being lost.

[0030] The working principle and usage process of this utility model are as follows: When it is necessary to replace the idler roller but the belt is pressing down on the idler roller and a single person cannot move it, making it impossible to quickly replace the idler roller, a supporting structure can be used to lift the belt. The height of the support rod 2 is adjusted according to the belt height. Specifically, a support point is selected at a suitable position on the belt longitudinal beam. The jack 1 is pressed to make the support rod 2 contact the belt and continuously raise it, causing the belt to detach from the idler roller. The adjusting pin 201 is inserted into the adjusting hole 202, which can quickly support the belt and separate the belt from the idler roller, achieving the purpose of quickly replacing the idler roller, improving replacement efficiency, and reducing maintenance difficulty. After replacing the idler roller, the adjusting pin 201 is removed from the adjusting hole 202, and the jack 1 is depressurized and retracted.

[0031] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A quick support device for replacing belt idlers, comprising a jack (1), characterized in that: The top of the jack (1) is provided with a supporting structure; The supporting structure includes a vertically arranged support rod (2), the bottom end of which is fixedly connected to the output end of the jack (1). The outer wall of the support rod (2) is provided with a plurality of adjustment holes (202) spaced apart along its axial direction. An adjustment pin (201) is provided on the support rod (2). The adjustment pin (201) is connected to the support rod (2) through a connector. The size of the adjustment pin (201) is adapted to the size of the adjustment hole (202), so that the adjustment pin (201) can be selectively inserted into different adjustment holes (202) to fix the extension height of the support rod (2) relative to the jack (1). The top end of the support rod (2) is fixedly connected to a support frame (203) for directly supporting the belt.

2. The quick support device for replacing belt idlers according to claim 1, characterized in that: The bottom of the jack (1) is provided with an anti-slip pad (101).

3. The quick support device for replacing belt idlers according to claim 1, characterized in that: The top surface of the support frame (203) is a structure that matches the belt.

4. The quick support device for replacing belt idlers according to claim 1, characterized in that: The surface of the support frame (203) is provided with anti-slip texture.

5. The quick support device for replacing belt idlers according to claim 1, characterized in that: The connectors are made of durable chains or high-strength nylon ropes.