CN213598005U - A hydraulic support top beam front mechanism - Google Patents
A hydraulic support top beam front mechanism Download PDFInfo
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- CN213598005U CN213598005U CN202022450931.5U CN202022450931U CN213598005U CN 213598005 U CN213598005 U CN 213598005U CN 202022450931 U CN202022450931 U CN 202022450931U CN 213598005 U CN213598005 U CN 213598005U
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Abstract
本实用新型提供了一种液压支架顶梁前部机构，它包括伸缩梁、伸缩梁油缸、托板和两级护帮板结构，所述伸缩梁与托板固定，所述伸缩梁为空心伸缩梁，所述伸缩梁油缸嵌入所述伸缩梁的内部空间中，所述伸缩梁油缸的前端铰接在伸缩梁上，所述伸缩梁油缸的后端用于连接主梁，所述两级护帮板结构安装在伸缩梁的前侧，两级护帮板结构可以分别翻转180度。该液压支架顶梁前部机构具有厚度大大减小、占用空间进一步减小、适用性提高的优点。
The utility model provides a front mechanism of a top beam of a hydraulic support, which comprises a telescopic beam, an oil cylinder for the telescopic beam, a support plate and a two-stage support plate structure. The telescopic beam is fixed with the support plate, and the telescopic beam is a hollow telescopic beam. The telescopic beam oil cylinder is embedded in the inner space of the telescopic beam, the front end of the telescopic beam oil cylinder is hinged on the telescopic beam, the rear end of the telescopic beam oil cylinder is used to connect the main beam, the two-stage guard The board structure is installed on the front side of the telescopic beam, and the two-level guard board structure can be turned 180 degrees respectively. The front mechanism of the top beam of the hydraulic support has the advantages of greatly reduced thickness, further reduced occupied space and improved applicability.
Description
Technical Field
The utility model relates to a hydraulic support accessory, specific theory has related to a hydraulic support back timber front portion mechanism.
Background
Along with the continuous reduction of coal resources, the mining area with violent coal seam thickness change is gradually paid attention to, and different coal seam thicknesses need to be used with the hydraulic support that has it to adapt to, cause this kind of mining area to need be equipped with the hydraulic support of multiple different models, lead to the problem such as equipment cost height, stock big, mining process are loaded down with trivial details.
The large-expansion-ratio hydraulic support suitable for different coal seam thicknesses can meet the requirements of the mining area, but the front top beam mechanism suitable for the large-expansion-ratio hydraulic support has the defects of large occupied space and insufficient adaptability due to the fact that the problem of space occupation is not considered by the design of the overall structure, and particularly cannot adapt to the problem of space limitation of corresponding positions when the hydraulic support is high and low.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a hydraulic support back timber front portion mechanism that thickness reduces greatly, occupation space further reduces, the suitability improves is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the front mechanism of the top beam of the hydraulic support comprises a telescopic beam, a telescopic beam oil cylinder, a supporting plate and two-stage side protection plate structures, wherein the telescopic beam is fixed with the supporting plate, the telescopic beam is a hollow telescopic beam, the telescopic beam oil cylinder is embedded into the inner space of the telescopic beam, the front end of the telescopic beam oil cylinder is hinged to the telescopic beam, the rear end of the telescopic beam oil cylinder is used for connecting a main beam, and the two-stage side protection plate structures are arranged on the front side of the telescopic beam.
The two-stage side protection plate structure comprises a first-stage side protection plate, a first-stage side protection oil cylinder, a second-stage side protection plate and a second-stage side protection oil cylinder, wherein the rear end of the first-stage side protection plate is hinged with the front end of the telescopic beam, the tail end of the first-stage side protection oil cylinder is hinged on the supporting plate, and the front end of the first-stage side protection oil cylinder is connected with the first-stage side protection plate to drive the first-stage side protection plate to turn 180 degrees; the rear end of the second-stage side protection plate is hinged with the front end of the first-stage side protection plate, the tail end of the second-stage side protection oil cylinder is hinged on the first-stage side protection plate, and the front end of the second-stage side protection oil cylinder is connected with the second-stage side protection plate to drive the second-stage side protection plate to turn over for 180 degrees.
The first-stage side protection plate is hinged with a connecting rod b, the supporting plate is hinged with a connecting rod a, the connecting rod a is rotatably connected with the connecting rod b through a first pin shaft, and the front end of the first-stage side protection oil cylinder is hinged with the first pin shaft.
The second-stage side protection plate is hinged with a connecting rod c, the first-stage side protection plate is hinged with a connecting rod d, the connecting rod c and the connecting rod d are rotatably connected through a second pin shaft, and the front end of the second-stage side protection oil cylinder is hinged with the second pin shaft.
And after the second-stage side protection plate is turned for 180 degrees, the height of the second-stage side protection plate overlapped with the first-stage side protection plate is not higher than the height of the telescopic beam.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses with the relation of flexible beam hydro-cylinder and flexible roof beam, by original extensive formula installation, like the mounting means that flexible roof beam and flexible beam hydro-cylinder overlapped mutually, change into and inlay the mounting means of dress in flexible roof beam inside with flexible beam hydro-cylinder, the occupation space of flexible beam hydro-cylinder has significantly reduced, with the thickness control of whole hydraulic support back timber front portion mechanism at lower level, when hydraulic support low-order or high-order operation, can downwards or upwards walk more spaces, satisfy the space needs that current coal seam thickness difference brought.
Furthermore, the design can be folded 180 degrees first grade and second grade and protect group's board, and the whole thickness of folding back is also compared in the whole thickness of the flip structure of original extensive formula and is thinner, improves space utilization.
Drawings
Fig. 1 is a schematic structural diagram of a front mechanism of a top beam of a middle hydraulic support of the present invention.
Fig. 2 is an enlarged view at m in fig. 1.
Fig. 3 is an enlarged view at n in fig. 1.
Fig. 4 is a schematic structural diagram of the front mechanism of the top beam of the middle hydraulic support of the present invention after assembly.
Fig. 5 is a schematic structural view of the second-stage side protection plate of the middle hydraulic support top beam front mechanism of the utility model in a state of being turned over by 180 degrees.
In the figure: 1. a telescopic beam; 2. a telescopic beam oil cylinder; 3. a support plate; 4. a first-stage side protecting oil cylinder; 5. a connecting rod a; 6. a connecting rod b; 7. a first-stage side protection plate; 8. a secondary side protection oil cylinder; 9. a connecting rod c; 10. a connecting rod d; 11. a secondary side protection plate; z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8 and Z9. pin shafts; a1, A2, a pin shaft; 12. a main beam.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-5, a front mechanism of a top beam of a hydraulic support comprises a telescopic beam 1, a telescopic beam cylinder 2, a support plate 3, a first-stage side protection cylinder 4, a connecting rod a5, a connecting rod b6, a first-stage side protection plate 7, a second-stage side protection cylinder 8, a connecting rod c9, a connecting rod d10 and a second-stage side protection plate 11.
The telescopic beam 1 is fixedly connected with the supporting plate 3 through a pin shaft A3, the telescopic beam 1 is a hollow telescopic beam, the telescopic beam oil cylinder 2 is embedded into the inner space of the telescopic beam 1, the front end of the telescopic beam oil cylinder 2 is hinged on the telescopic beam 1, the rear end of the telescopic beam oil cylinder 2 is used for connecting a main beam, and when the telescopic beam is used, the telescopic beam 1 drives the whole front mechanism to perform telescopic motion by taking the main beam as a reference through the driving of the telescopic beam oil cylinder 2.
The rear end of the first-stage side protection plate 7 is hinged with the front end of the telescopic beam 1 through a pin shaft A2, the tail end of the first-stage side protection oil cylinder 4 is hinged on the supporting plate 3 through a pin shaft Z8, the first-stage side protection plate 7 is hinged with a connecting rod b6 through a pin shaft Z2, the supporting plate 3 is hinged with a connecting rod a5 through a pin shaft Z3, the connecting rod a5 is rotatably connected with the connecting rod b6 through a first pin shaft Z1, and the front end of the first-stage side protection oil cylinder 4 is hinged with a first pin shaft Z1.
In this embodiment, the number of the first-stage side protection oil cylinders 4 is two, and the first-stage side protection oil cylinders are installed in parallel and in parallel, and the first-stage side protection plate 7 is driven to turn over for 180 degrees along with the extension and retraction of the first-stage side protection oil cylinders 4.
The rear end of the second-stage side protection plate 11 is hinged to the front end of the first-stage side protection plate 7 through a pin shaft A1, the second-stage side protection plate 11 is hinged to a connecting rod c10 through a pin shaft Z5, the first-stage side protection plate 7 is hinged to a connecting rod d9 through a pin shaft Z6, the connecting rod c10 is rotatably connected with the connecting rod d9 through a second pin shaft Z4, and the front end of the second-stage side protection oil cylinder 8 is hinged to the second pin shaft Z4.
In this embodiment, as shown in fig. 4, the number of the secondary upper protection cylinders 8 is two, and the two secondary upper protection cylinders are installed in parallel and in parallel, and drive the secondary upper protection plate 11 to turn over by 180 degrees along with the extension and retraction of the secondary upper protection cylinders 8. Meanwhile, the height of the second-stage side protection plate 11, which is overlapped with the first-stage side protection plate 7 after being turned for 180 degrees, is not higher than the height of the telescopic beam 1, and the purpose is to enable the first-stage side protection plate 7 to be turned for 180 degrees, and the first-stage side protection plate 7 after being turned can be parallel to the supporting plate 3, so that the whole thickness and size after being turned are controlled as much as possible.
When the coal seam automatic turnover mechanism is applied, the telescopic beam oil cylinder 2 is controlled to drive the whole front mechanism to do telescopic motion based on the main beam, the first-stage side protection oil cylinder 4 is controlled to drive the 180-degree turnover of the first-stage side protection plate 7, the second-stage side protection oil cylinder 8 is controlled to drive the 180-degree turnover of the second-stage side protection plate 11, the whole front mechanism is flexibly adjusted, the occupied space is small after adjustment, and the coal seam automatic turnover mechanism can adapt to diversified coal seam change conditions.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450931.5U CN213598005U (en) | 2020-10-29 | 2020-10-29 | A hydraulic support top beam front mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450931.5U CN213598005U (en) | 2020-10-29 | 2020-10-29 | A hydraulic support top beam front mechanism |
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| CN213598005U true CN213598005U (en) | 2021-07-02 |
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| CN202022450931.5U Active CN213598005U (en) | 2020-10-29 | 2020-10-29 | A hydraulic support top beam front mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121111337A (en) * | 2025-11-10 | 2025-12-12 | 中国矿业大学 | A mining support structure and support method for coal mining |
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2020
- 2020-10-29 CN CN202022450931.5U patent/CN213598005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121111337A (en) * | 2025-11-10 | 2025-12-12 | 中国矿业大学 | A mining support structure and support method for coal mining |
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Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: China Innovation Leadership (Zhengzhou) Industrial Technology Group Co., Ltd. Country or region after: China Patentee after: China ENERGY Group Ningxia Coal Industry Co., Ltd. Address before: No. 167, 9th Street, Zhengzhou Area (Economic Development Zone), Henan Pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Country or region before: China Patentee before: China ENERGY Group Ningxia Coal Industry Co., Ltd. |