CN214533028U - Composite impact-resistant energy-absorbing device suitable for advanced hydraulic support - Google Patents
Composite impact-resistant energy-absorbing device suitable for advanced hydraulic support Download PDFInfo
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- CN214533028U CN214533028U CN202120175092.2U CN202120175092U CN214533028U CN 214533028 U CN214533028 U CN 214533028U CN 202120175092 U CN202120175092 U CN 202120175092U CN 214533028 U CN214533028 U CN 214533028U
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Abstract
A composite impact-resistant energy-absorbing device suitable for an advanced hydraulic support comprises a bottom support plate, a middle impact-resistant structure assembly and a top support block; the bottom supporting plate, the middle shock-resistant structure component and the top supporting block are sequentially arranged from bottom to top; four supporting upright posts are uniformly distributed on the outer peripheral side of the middle impact-resistant structure component, the supporting upright posts adopt a two-stage telescopic structure, and high-damping springs are vertically arranged in the supporting upright posts; the four top supporting blocks are uniformly distributed at the upper end of the middle impact-resistant structure component and are made of high-elasticity rubber; the middle impact-resistant structure component comprises a high-elasticity impact-resistant structural part and a shell, wherein the high-elasticity impact-resistant structural part adopts a plurality of hollow cylinders in parallel connection structure and is wrapped by the shell; the high-elasticity impact-resistant structural part is made of an impact-resistant functional gradient material; the middle part anti-impact structure subassembly lateral part is equipped with the supplementary anti-impact structure subassembly in side, and it includes a plurality of fixed columns, adopts the interconnect structure form between each fixed column.
Description
Technical Field
The utility model belongs to the technical field of the coal mine safety, especially, relate to a compound energy-absorbing device that shocks resistance suitable for leading hydraulic support.
Background
With the wide implementation of coal mine intelligent mining technology, the yield and efficiency of coal mine mining are greatly improved, but some problems still exist in the coal mine mining process, and the problems are more and more obvious as the yield is improved. For example, the advance hydraulic support is subjected to the alternating action of roof strata movement and impact pressure in the application process, and the phenomena of accelerated aging, shortened service life, even safety accidents and the like of the advance hydraulic support are easily caused due to overlarge impact force. In order to avoid such problems, simple impact-proof devices are usually fixedly installed at positions with large impact force, so as to play roles in shock absorption, protection and impact resistance. However, the conventional anti-impact device has a too simple structure, cannot achieve a good buffering and protecting effect, and cannot effectively avoid a series of problems caused by too large impact force and the like.
SUMMERY OF THE UTILITY MODEL
The problem that exists to prior art, the utility model provides a compound energy-absorbing device that shocks resistance suitable for leading hydraulic support has overcome the unsatisfactory problem of traditional protecting against shock device buffering guard action, has adopted brand-new structural design scheme, has increased substantially the shock resistance and the shock attenuation buffer capacity of device, can effectively avoid leading hydraulic support to cause because of reasons such as the impact force is too big in the application the emergence of a class of problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a composite impact-resistant energy-absorbing device suitable for an advanced hydraulic support comprises a bottom support plate, a middle impact-resistant structure assembly and a top support block; the bottom supporting plate, the middle shock-resistant structure assembly and the top supporting block are sequentially arranged from bottom to top; the lower end of the middle shock-resistant structure component is fixedly connected with the upper surface of the bottom supporting plate, and the top supporting block is fixedly arranged at the upper end of the middle shock-resistant structure component.
Four supporting upright columns are uniformly distributed on the outer peripheral side of the middle impact-resistant structure component, the supporting upright columns adopt a two-stage telescopic structure, high-damping springs are vertically arranged in the supporting upright columns, the upper ends of the high-damping springs are fixedly connected with the supporting upright column inner cylinder, and the lower ends of the high-damping springs are fixedly connected with the supporting upright column outer cylinder; the upper end of the inner cylinder body of the supporting column is fixedly connected with the lower surface of the top supporting block, and the lower end of the outer cylinder body of the supporting column is fixedly connected with the upper surface of the bottom supporting plate.
The number of the top supporting blocks is four, the four top supporting blocks are uniformly distributed at the upper end of the middle impact-resistant structure component, and the lower surfaces of the top supporting blocks are fixedly connected with the upper end of the middle impact-resistant structure component and the upper end of the cylinder body in the supporting upright column; the top supporting block is made of high-elasticity rubber.
The middle impact-resistant structure component comprises a high-elasticity impact-resistant structural part and a shell, the high-elasticity impact-resistant structural part adopts a structure in which a plurality of hollow cylinders are connected side by side, and the high-elasticity impact-resistant structural part is wrapped by the shell; the high-elasticity impact-resistant structural part is made of an impact-resistant functional gradient material.
A side auxiliary impact-resistant structure assembly is arranged on the side part of the middle impact-resistant structure assembly and comprises a plurality of fixing columns, the fixing columns are in an interactive connection structure form, and the fixing columns are fixedly connected together through a high-elasticity rolled plate; the fixing columns are connected to the shell of the middle anti-impact structure assembly, and the connecting position of each fixing column on the shell is located between two adjacent rows of hollow cylinders in the high-elasticity anti-impact structure.
The utility model has the advantages that:
the utility model discloses a compound energy-absorbing device that shocks resistance suitable for leading hydraulic support has overcome the unsatisfactory problem of traditional protecting effect of protecting against shock device buffering, has adopted brand-new structural design scheme, has increased substantially the shock resistance and the shock attenuation buffer capacity of device, can effectively avoid leading hydraulic support because of the emergence of a series of problems that the too big reason of impact force caused in the application
Drawings
Fig. 1 is a schematic structural view of a composite impact-resistant energy-absorbing device suitable for a hydraulic advance support of the present invention;
fig. 2 is a schematic structural diagram of a composite impact-resistant energy-absorbing device (a bottom support plate, a top support block and a support column are not shown) suitable for a hydraulic forepoling of the present invention;
in the figure, 1-bottom support plate, 2-middle impact-resistant structural component, 3-top support block, 4-support upright post, 5-high-elasticity impact-resistant structural component, 6-shell, 7-side auxiliary impact-resistant structural component, 8-fixed column, 9-high-elasticity coiled plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a composite impact-resistant energy-absorbing device suitable for a hydraulic advance support comprises a bottom support plate 1, a middle impact-resistant structural component 2 and a top support block 3; the bottom supporting plate 1, the middle shock-resistant structure component 2 and the top supporting block 3 are sequentially arranged from bottom to top; the lower end of the middle shock-resistant structure component 2 is fixedly connected with the upper surface of the bottom supporting plate 1, and the top supporting block 3 is fixedly arranged at the upper end of the middle shock-resistant structure component 2.
Four supporting upright posts 4 are uniformly distributed on the outer peripheral side of the middle shock-resistant structure component 2, the supporting upright posts 4 adopt a two-stage telescopic structure, high-damping springs are vertically arranged in the supporting upright posts 4, the upper ends of the high-damping springs are fixedly connected with the inner cylinder body of the supporting upright post 4, and the lower ends of the high-damping springs are fixedly connected with the outer cylinder body of the supporting upright post 4; the upper end of the inner cylinder body of the supporting upright post 4 is fixedly connected with the lower surface of the top supporting block 3, and the lower end of the outer cylinder body of the supporting upright post 4 is fixedly connected with the upper surface of the bottom supporting plate 1.
The number of the top supporting blocks 3 is four, the four top supporting blocks 3 are uniformly distributed at the upper end of the middle impact-resistant structure component 2, and the lower surface of each top supporting block 3 is fixedly connected with the upper end of the middle impact-resistant structure component 2 and the upper end of the cylinder body in the supporting upright post 4; the top supporting block 3 is made of high-elasticity rubber.
The middle impact-resistant structure component 2 comprises a high-elasticity impact-resistant structural part 5 and a shell 6, the high-elasticity impact-resistant structural part 5 adopts a structure that a plurality of hollow cylinders are connected side by side, and the high-elasticity impact-resistant structural part 5 is wrapped by the shell 6; the high-elasticity impact-resistant structural part 5 is made of an impact-resistant functional gradient material. Specifically, since the distribution directions of the plurality of hollow cylinders in the high-elasticity impact-resistant structural member 5 are the same, when the outer shell 6 is wrapped outside the high-elasticity impact-resistant structural member 5, a good side deviation prevention effect can be achieved.
A side auxiliary impact-resistant structural component 7 is arranged on the side part of the middle impact-resistant structural component 2, the side auxiliary impact-resistant structural component 7 comprises a plurality of fixing columns 8, the fixing columns are in an interactive connection structure, and the fixing columns 8 are fixedly connected together through a high-elasticity coiled plate 9; the fixing columns 8 are connected to the shell 6 of the middle anti-impact structure component 2, and the connecting position of each fixing column 8 on the shell 6 is located between two adjacent rows of hollow cylinders in the high-elasticity anti-impact structural component 5. Specifically, due to the existence of the side auxiliary impact-resistant structural component 7, the overall structure of the high-elasticity impact-resistant structural component 5 can be more stable, and the side deviation is not easy to occur.
In practical application the utility model discloses a during shock-resistant energy-absorbing device, bottom support plate 1 supports as the bottom basis of whole device, and it can adopt the light metal material preparation of low density, high rigidity, guarantees to support the stability of fixed action. In addition, for the supporting columns 4, in an initial state, the inner cylinders of the four supporting columns 4 are all in a completely extended state, and can retract downwards when being pressed, and at the moment, the high-damping springs inside the supporting columns 4 are compressed, so that the supporting, impact-resisting and shock-absorbing functions are achieved. For the top supporting block 3, the upper surface is directly contacted with the roadway rock wall, and the top supporting block is made of high-elasticity rubber, so that the top supporting block has good ductility and recoverability, and can generate good impact resistance and buffering effects. Middle part anti impact structure subassembly 2 is the core shock attenuation part that shocks resistance of whole device, when leading hydraulic support with the utility model discloses an after the cooperation of shock-absorbing energy-absorbing device that shocks resistance is used, shock resistance and shock attenuation buffer capacity that have finally increased substantially can effectively avoid leading hydraulic support to cause the emergence of a class of problem because of reasons such as the impact force is too big in the application.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a compound energy-absorbing device that shocks resistance suitable for forepoling, its characterized in that: comprises a bottom support plate, a middle shock-resistant structure component and a top support block; the bottom supporting plate, the middle shock-resistant structure assembly and the top supporting block are sequentially arranged from bottom to top; the lower end of the middle shock-resistant structure component is fixedly connected with the upper surface of the bottom supporting plate, and the top supporting block is fixedly arranged at the upper end of the middle shock-resistant structure component.
2. The composite impact-resistant energy-absorbing device suitable for the hydraulic advance support of claim 1 is characterized in that: four supporting upright columns are uniformly distributed on the outer peripheral side of the middle impact-resistant structure component, the supporting upright columns adopt a two-stage telescopic structure, high-damping springs are vertically arranged in the supporting upright columns, the upper ends of the high-damping springs are fixedly connected with the supporting upright column inner cylinder, and the lower ends of the high-damping springs are fixedly connected with the supporting upright column outer cylinder; the upper end of the inner cylinder body of the supporting column is fixedly connected with the lower surface of the top supporting block, and the lower end of the outer cylinder body of the supporting column is fixedly connected with the upper surface of the bottom supporting plate.
3. The composite impact-resistant energy-absorbing device suitable for the hydraulic advance support is characterized in that: the number of the top supporting blocks is four, the four top supporting blocks are uniformly distributed at the upper end of the middle impact-resistant structure component, and the lower surfaces of the top supporting blocks are fixedly connected with the upper end of the middle impact-resistant structure component and the upper end of the cylinder body in the supporting upright column; the top supporting block is made of high-elasticity rubber.
4. The composite impact-resistant energy-absorbing device suitable for the hydraulic advance support of claim 1 is characterized in that: the middle impact-resistant structure component comprises a high-elasticity impact-resistant structural part and a shell, the high-elasticity impact-resistant structural part adopts a structure in which a plurality of hollow cylinders are connected side by side, and the high-elasticity impact-resistant structural part is wrapped by the shell; the high-elasticity impact-resistant structural part is made of an impact-resistant functional gradient material.
5. The composite impact-resistant energy-absorbing device suitable for the hydraulic advance support is characterized in that: a side auxiliary impact-resistant structure assembly is arranged on the side part of the middle impact-resistant structure assembly and comprises a plurality of fixing columns, the fixing columns are in an interactive connection structure form, and the fixing columns are fixedly connected together through a high-elasticity rolled plate; the fixing columns are connected to the shell of the middle anti-impact structure assembly, and the connecting position of each fixing column on the shell is located between two adjacent rows of hollow cylinders in the high-elasticity anti-impact structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175092.2U CN214533028U (en) | 2021-01-22 | 2021-01-22 | Composite impact-resistant energy-absorbing device suitable for advanced hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120175092.2U CN214533028U (en) | 2021-01-22 | 2021-01-22 | Composite impact-resistant energy-absorbing device suitable for advanced hydraulic support |
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| Publication Number | Publication Date |
|---|---|
| CN214533028U true CN214533028U (en) | 2021-10-29 |
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| CN202120175092.2U Active CN214533028U (en) | 2021-01-22 | 2021-01-22 | Composite impact-resistant energy-absorbing device suitable for advanced hydraulic support |
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| CN (1) | CN214533028U (en) |
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2021
- 2021-01-22 CN CN202120175092.2U patent/CN214533028U/en active Active
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