Hydraulic prop mechanical buffer device
By designing a mechanical buffer device for hydraulic props, the impact of hydraulic props is buffered by the support components and pressure relief components, achieving rapid pressure relief. This solves the problem of damage to hydraulic props under rapid pressure, extends their service life, and improves safety and work efficiency.
Patent Information
- Application Number
- CN202520059354.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The existing hydraulic support's pressure relief valve cannot quickly release pressure under rapid pressure, leading to damage to the hydraulic support and affecting the normal operation and safety of the equipment.
Design a hydraulic prop mechanical buffer device, including a hydraulic prop and a pressure relief mechanism. Utilize support members and pressure relief components (such as disc springs) to buffer the impact of the hydraulic prop. Rapid pressure relief is achieved through the crushing of the support members and the deformation of the pressure relief components, thus avoiding damage to the hydraulic prop.
Effectively buffers the impact of hydraulic props, extends the service life of hydraulic props and supports, improves safety and work efficiency, and reduces costs.
Smart Images
Figure CN223634731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic prop technical field, especially hydraulic prop mechanical buffer device. BACKGROUND
[0002] In the process of roadway excavation, hydraulic support needs to be used to keep the roadway unobstructed and the surrounding rock stable, and the hydraulic support needs to use a hydraulic pump station to provide power for it. With the roof sinking, the hydraulic support will be subjected to rapid pressure from the roof. If this accumulated pressure is suddenly released, it will affect the normal operation of the equipment, which may cause the hydraulic components and pipes to break, the system may not be able to continue to work, and even cause personal safety accidents, etc. Therefore, the purpose of pressure relief is to release the pressure in the pipeline and the actuator.
[0003] Although a pressure relief valve is usually used for pressure relief, due to the working principle of the pressure relief valve, when the hydraulic support is subjected to rapid pressure, the pressure relief valve cannot quickly release the pressure, causing the hydraulic stand to be damaged. Therefore, a hydraulic prop mechanical buffer device is needed, which can buffer the impact on the hydraulic prop when the hydraulic support is subjected to rapid pressure, avoid damage to the hydraulic prop, and thus prolong the service life of the hydraulic prop and the hydraulic support. SUMMARY
[0004] The utility model aims at providing a hydraulic prop mechanical buffer device to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides a hydraulic prop mechanical buffer device, which comprises a hydraulic prop and a pressure relief mechanism arranged below the hydraulic prop, the hydraulic prop is connected with the pressure relief mechanism, the pressure relief mechanism comprises a support base, a support piece and a pressure relief part, the pressure relief part is arranged inside the support base, and the support piece is arranged above the pressure relief part and fixedly connected with the support base.
[0006] Preferably, the support base is cylindrical, and the support base has a cavity inside.
[0007] Preferably, one end of the pressure relief part is connected with the support base, and the other end of the pressure relief part is connected with the support piece.
[0008] Preferably, the support piece is a pin shaft or a disc, and the pin shaft and the disc are used to support the hydraulic prop.
[0009] Preferably, the pressure relief part is a pressure relief spring, and the pressure relief spring is a disc spring.
[0010] Therefore, the mechanical buffer device for hydraulic props provided by this utility model has the following beneficial effects: by setting a support member to support the hydraulic prop and setting a pressure relief component below the support member, the impact on the hydraulic prop can be buffered. When the hydraulic prop is subjected to rapid pressure, after the hydraulic prop breaks the support member, it will continue to move downward to compress the pressure relief component, causing the pressure relief component to be squeezed and deformed, thereby completing the pressure relief of the hydraulic prop. After the pressure relief is completed, the pressure relief component rebounds to restore its original shape, avoiding damage to the hydraulic prop and thus extending the service life of the hydraulic prop and hydraulic support. Attached Figure Description
[0011] Fig. 1 This is a schematic diagram of the structure of a hydraulic support mechanical buffer device in an embodiment of the present utility model;
[0012] Fig. 2 This is a schematic diagram of the structure when the support member is a disc in an embodiment of this utility model;
[0013] Figure Labels
[0014] 1. Hydraulic support; 2. Pressure relief mechanism; 3. Support base; 4. Pin; 5. Disc spring; 6. Disc. Detailed Implementation
[0015] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.
[0016] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0017] Example
[0018] like Figs. 1-2 As shown, the present invention provides a hydraulic support mechanical buffer device, including a hydraulic support 1 and a pressure relief mechanism 2 disposed below the hydraulic support 1. The hydraulic support 1 is connected to the pressure relief mechanism 2. The pressure relief mechanism 2 includes a support base 3, a support member, and a pressure relief component. The pressure relief component is disposed inside the support base 3, and the support member is disposed above the pressure relief component and fixedly connected to the support base 3.
[0019] The support base 3 is in a cylindrical shape, and the support base 3 is internally provided with a cavity.
[0020] One end of the pressure relief component is connected with the support base 3, and the other end of the pressure relief component is connected with the support member.
[0021] The support member comprises a pin shaft 4 and a disc 6 or other components capable of supporting the hydraulic prop 1, and the pin shaft 4 and the disc 6 are used for supporting the hydraulic prop 1.
[0022] The pressure relief component is a pressure relief spring, which is a disc spring 5. When the hydraulic prop 1 is subjected to rapid pressure, the hydraulic prop 1 will continue to move downward to compress the disc spring 5 after the pin shaft 4 or the disc 6 is broken, so that the disc spring 5 is extruded and deformed, thereby completing pressure relief of the hydraulic prop 1. After the pressure relief is completed, the disc spring 5 rebounds to restore the original state, so that the hydraulic prop 1 can be prevented from being damaged when subjected to rapid pressure, thereby prolonging the service life of the hydraulic prop 1 and the hydraulic support.
[0023] Therefore, the hydraulic prop mechanical buffering device has the advantages of simple structure, no extra occupation of roadway space, convenient installation and use, increased impact resistance without affecting support, effectively buffered impact received by the hydraulic prop, high safety factor, rapid recovery after resisting impact, improved work efficiency, reduced cost, reduced loss, and greatly prolonged service life of the hydraulic prop.
[0024] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can still be modified or replaced equivalently, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.
Claims
1. A hydraulic support mechanical buffer device, characterized in that: The device includes a hydraulic support and a pressure relief mechanism disposed below the hydraulic support. The hydraulic support is connected to the pressure relief mechanism. The pressure relief mechanism includes a support base, a support member, and a pressure relief component. The pressure relief component is disposed inside the support base, and the support member is disposed above the pressure relief component and fixedly connected to the support base.
2. The hydraulic support mechanical buffer device according to claim 1, characterized in that: The support base is cylindrical, and the interior of the support base has a cavity.
3. The hydraulic support mechanical buffer device according to claim 2, characterized in that: One end of the pressure relief component is connected to the support base, and the other end of the pressure relief component is connected to the support member.
4. A hydraulic support mechanical buffer device according to claim 3, characterized in that: The support component is configured as a pin or a disc, both of which are used to support the hydraulic strut.
5. A hydraulic support mechanical buffer device according to claim 4, characterized in that: The pressure relief component is configured as a pressure relief spring, which is a disc spring.