CN112459812A - Combined single hydraulic prop - Google Patents
Combined single hydraulic prop Download PDFInfo
- Publication number
- CN112459812A CN112459812A CN202011613173.2A CN202011613173A CN112459812A CN 112459812 A CN112459812 A CN 112459812A CN 202011613173 A CN202011613173 A CN 202011613173A CN 112459812 A CN112459812 A CN 112459812A
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- CN
- China
- Prior art keywords
- hole
- top surface
- cylinder
- cuboid
- rotating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/545—Details of the ends of props hydraulic or pneumatic
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
Abstract
The invention relates to a combined single hydraulic prop which comprises a base, wherein a plurality of bottom supporting blocks are installed on the base, the upper surfaces of the bottom supporting blocks are provided with column sockets matched with the single props, a single prop is correspondingly installed in each column socket, and adjacent single props are connected together through an anti-falling frame. The invention has the following beneficial effects: the combined single hydraulic prop disclosed by the invention forms a powerful combined supporting force, and the supporting strength is enhanced to the maximum extent. The soft bottom of the coal face is solved, the base is enabled to bear pressure in a balanced manner, and the support is prevented from being inserted into the bottom plate. The installation, adjustment are convenient, are convenient for carry and move. The reliability is improved, the difference of the connection strength among the multiple groups of single hydraulic pillars is small, the reliability is high, the time required for installation is short, the types of materials required to be carried are few, the carrying is convenient, a large amount of cost and time are saved, and the practicability and the reliability are improved.
Description
Technical Field
The invention relates to a combined single hydraulic prop, and belongs to the technical field of coal face support.
Background
Under the conditions of a rock burst mine and a large mining depth and a thick coal seam, two crossheading advance support sections are influenced by mining stress during the stoping period of a working face, so that energy accumulation is caused, and huge anti-impact potential safety hazards exist. At present, a coal face adopts a one-beam three-column supporting mode, and usually the mode of connecting adjacent single hydraulic supports by using plastic-coated steel wire ropes is adopted to realize the falling prevention of the single hydraulic supports, but the strength of the plastic-coated steel wire ropes is lower, the safety factor of the falling prevention of the single hydraulic supports is low, and the single hydraulic support bodies are more disordered after being tied, so that the falling prevention effect is poorer.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: to solve one of the above problems, a combined single hydraulic prop is provided.
The invention relates to a combined single hydraulic prop, which is characterized in that: the base is provided with a plurality of bottom supporting blocks, the upper surfaces of the bottom supporting blocks are provided with column sockets matched with the single support columns, each column socket is correspondingly provided with one single support column, and adjacent single support columns are connected together through an anti-falling frame.
Preferably, the base includes cuboid form cylinder A, top surface rectangular hole A has been seted up along its length direction to cuboid form cylinder A's upper surface, top surface rectangular hole A runs through cuboid form cylinder A's upper and lower surface, just top surface rectangular hole A's both ends do not lead to the head, top surface rectangular hole A's both sides side is provided with side rectangular hole A along its length direction, side rectangular hole A is linked together with top surface rectangular hole A, and side rectangular hole A's both ends do not lead to the head.
Preferably, the bottom supporting block comprises a lower sliding block arranged in the top surface strip hole a in a sliding mode, the upper surface of the lower sliding block is provided with a supporting top plate, the width of the supporting top plate is larger than that of the top surface strip hole a, the lower surface of the supporting top plate is supported on the upper surface of the cuboid cylinder a, two sides of the lower sliding block are respectively provided with at least one limiting pin shaft, the limiting pin shafts penetrate through the side edge strip hole a, and the upper surface of the supporting top plate is provided with a column socket.
Preferably, the number of the limiting pin shafts on one side of the lower sliding block is at least two, the bottom end of each limiting pin shaft is provided with a threaded section, the side surface of the lower sliding block is provided with a threaded hole matched with the threaded section, the threaded section is connected with the lower sliding block through the threaded hole, and the limiting pin shafts are perpendicular to the lower sliding block.
Preferably, the single prop comprises a cylinder body and a piston rod which are connected with each other, the bottom of the cylinder body is located in the column socket, and the top of the piston rod is provided with an oil cylinder top plate.
Preferably, the middle part cover of cylinder body is equipped with down the staple bolt.
Preferably, the anti-falling frame comprises a cuboid-shaped cylinder B, a top surface strip hole B is formed in the upper surface of the cuboid-shaped cylinder B along the length direction of the upper surface, the top surface strip hole B penetrates through the upper surface and the lower surface of the cuboid-shaped cylinder B, the two ends of the top surface strip hole B are not communicated with the heads, side strip holes B are formed in the two side edges of the cuboid-shaped cylinder B along the length direction of the side strip hole B, the side strip holes B are communicated with the top surface strip holes B, and the two ends of the top surface strip holes B are not communicated with the heads.
Preferably, the anti-falling frame further comprises a rotating sliding block located in the top surface long hole B, two sides of the rotating sliding block are respectively provided with a rotating pin, and the rotating pins penetrate through the side edge long hole B.
Preferably, the bottom end of the rotating pin is provided with a threaded section, the side surface of the rotating slide block is provided with a screw hole matched with the threaded section, the threaded section is connected with the rotating slide block through the screw hole, the rotating pin is perpendicular to the rotating slide block, and the rotating slide block is provided with a central hole for the cylinder body to penetrate through.
Preferably, the processing of the base comprises primary positioning of a cuboid-shaped cylinder A; positioning two side surfaces of a cuboid cylinder A; clamping a cuboid cylinder A; milling a top surface strip hole A and a side edge strip hole A; the base is lifted out.
Compared with the prior art, the invention has the following beneficial effects: the combined single hydraulic prop disclosed by the invention forms a powerful combined supporting force, and the supporting strength is enhanced to the maximum extent.
The soft bottom of the coal face is solved, the base is enabled to bear pressure in a balanced manner, and the support is prevented from being inserted into the bottom plate.
The installation, adjustment are convenient, are convenient for carry and move.
The reliability is improved, the difference of the connection strength among the multiple groups of single hydraulic pillars is small, the reliability is high, the time required for installation is short, the types of materials required to be carried are few, the carrying is convenient, a large amount of cost and time are saved, and the practicability and the reliability are improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a rectangular parallelepiped pillar A according to the present invention;
FIG. 3 is a schematic structural view of a rectangular parallelepiped pillar B according to the present invention;
FIG. 4 is a schematic structural view of a single prop according to the present invention;
FIG. 5 is a schematic view of the construction of the top support plate of the present invention;
fig. 6 is a schematic structural diagram of the rotating slider of the present invention.
In the figure: 1. the device comprises a base 2, a bottom supporting block 3, a single support pillar 4, a rectangular cylinder A5, a top surface long hole A6, a side edge long hole A7, a lower sliding block 8, a supporting top plate 9, a limiting pin shaft 10, a cylinder socket 11, a cylinder body 12, a piston rod 13, an oil cylinder top plate 14, a lower hoop 15, a rectangular cylinder B16, a top surface long hole B17, a side edge long hole B18, a rotating sliding block 19, a rotating pin 20 and a central hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Examples
As shown in fig. 1-6, the combined single hydraulic prop includes a base 1, a plurality of bottom supporting blocks 2 are mounted on the base 1, a pillar socket matched with a single prop 3 is formed on the upper surface of each bottom supporting block 2, a single prop 3 is correspondingly mounted in each pillar socket, and adjacent single props 3 are connected together through an anti-falling frame.
In this embodiment, the base 1 includes a rectangular parallelepiped cylinder a4, the upper surface of the rectangular parallelepiped cylinder a4 is provided with a top surface elongated hole a5 along the length direction thereof, the top surface elongated hole a5 penetrates through the upper and lower surfaces of the rectangular parallelepiped cylinder a4, the two ends of the top surface elongated hole a5 are not through, the two side edges of the top surface elongated hole a5 are provided with side elongated holes a6 along the length direction thereof, the side elongated holes a6 are communicated with the top surface elongated hole a5, and the two ends of the side elongated hole a6 are not through; the bottom supporting block 2 comprises a lower sliding block 7 which is arranged in a top surface strip hole A5 in a sliding mode, the upper surface of the lower sliding block 7 is provided with a supporting top plate 8, the width of the supporting top plate 8 is larger than that of the top surface strip hole A5, the lower surface of the supporting top plate 8 is supported on the upper surface of a cuboid cylinder A4, two sides of the lower sliding block 7 are respectively provided with at least one limiting pin shaft 9, the limiting pin shafts 9 penetrate through the side edge strip holes A6, and the upper surface of the supporting top plate 8 is provided with a column nest 10; at least two limiting pin shafts 9 are arranged on one side of the lower slider 7, a threaded section is arranged at the bottom end of each limiting pin shaft 9, a screw hole matched with the threaded section is formed in the side surface of the lower slider 7, the threaded section is connected with the lower slider 7 through the screw hole, and the limiting pin shafts 9 are perpendicular to the lower slider 7; the single prop 3 comprises a cylinder body 11 and a piston rod 12 which are connected with each other, the bottom of the cylinder body 11 is positioned in the pole socket 10, and the top of the piston rod 12 is provided with an oil cylinder top plate 13; the middle part of the cylinder body 11 is sleeved with a lower anchor ear 14; the anti-falling frame comprises a cuboid cylinder B15, the upper surface of the cuboid cylinder B15 is provided with a top surface long-strip hole B16 along the length direction, the top surface long-strip hole B16 penetrates through the upper surface and the lower surface of the cuboid cylinder B15, two ends of the top surface long-strip hole B16 are not communicated, two side edges of the cuboid cylinder B15 are provided with side edge long-strip holes B17 along the length direction, the side edge long-strip holes B17 are communicated with a top surface long-strip hole B16, and two ends of the top surface long-strip hole B16 are not communicated; the anti-falling frame further comprises a rotating slide block 18 positioned in the top surface long hole B16, two sides of the rotating slide block 18 are respectively provided with a rotating pin 19, and the rotating pin 19 penetrates through the side edge long hole B17; the bottom end of the rotating pin 19 is provided with a threaded section, the side surface of the rotating slide block 18 is provided with a screw hole matched with the threaded section, the threaded section is connected with the rotating slide block 18 through the screw hole, the rotating pin 19 is vertical to the rotating slide block 18, and the rotating slide block 18 is provided with a central hole 20 for the cylinder body 11 to penetrate through; the processing of the base 1 comprises primary positioning of a cuboid-shaped column A4; positioning two side surfaces of a cuboid cylinder A4; clamping a cuboid-shaped cylinder A4; milling a top surface strip hole A5 and a side edge strip hole A6; the base 1 is lifted out.
During operation, lower slider 7 is installed in top surface rectangular hole A5, passes limit pin 9 again and is connected with lower slider 7 in side rectangular hole A6, and lower slider 7 can slide along the length direction of cuboid form cylinder A4, installs staple bolt 14 and rotation slider 18 down on the cylinder body 11 respectively, rotate slider 18 and install in top surface rectangular hole B16, pass side rectangular hole B17 with commentaries on classics round pin 19 and be connected with rotation slider 18, rotate slider 18 and can be up-and-down slided on cylinder body 11, rotate slider 18 simultaneously and also can rotate for cuboid form cylinder B15, install in the column nest 10 bottom of cylinder body 11.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A modular hydraulic prop which is characterized in that: the base is provided with a plurality of bottom supporting blocks, the upper surfaces of the bottom supporting blocks are provided with column sockets matched with the single support columns, each column socket is correspondingly provided with one single support column, and adjacent single support columns are connected together through an anti-falling frame.
2. The modular hydraulic strut of claim 1, further comprising: the base includes cuboid form cylinder A, top surface rectangular hole A has been seted up along its length direction to cuboid form cylinder A's upper surface, top surface rectangular hole A runs through cuboid form cylinder A's upper and lower surface, just top surface rectangular hole A's both ends do not lead to the head, top surface rectangular hole A's both sides side is provided with side rectangular hole A along its length direction, side rectangular hole A is linked together with top surface rectangular hole A, and the both ends of side rectangular hole A do not lead to the head.
3. The modular hydraulic strut of claim 2, further comprising: the bottom supporting block comprises a lower sliding block arranged in the top surface strip hole A in a sliding mode, the upper surface of the lower sliding block is provided with a supporting top plate, the width of the supporting top plate is larger than that of the top surface strip hole A, the lower surface of the supporting top plate is supported on the upper surface of the cuboid-shaped cylinder A, at least one limiting pin shaft is arranged on each of two sides of the lower sliding block respectively, the limiting pin shafts penetrate through the side edge strip hole A, and the upper surface of the supporting top plate is provided with a column socket.
4. The modular hydraulic strut of claim 3, further comprising: the limiting hinge pin of lower slider unilateral is provided with two at least, the bottom of limiting hinge pin has the screw thread section, have the screw with screw thread section matched with on the side of lower slider, the screw thread section passes through the screw and is connected with the lower slider, and limiting hinge pin and lower slider keep perpendicular.
5. The modular individual hydraulic strut of claim 4, wherein: the single support column comprises a cylinder body and a piston rod which are connected with each other, the bottom of the cylinder body is located in the column socket, and an oil cylinder top plate is installed at the top of the piston rod.
6. The modular hydraulic strut of claim 5, wherein: the middle part cover of cylinder body is equipped with down the staple bolt.
7. The modular hydraulic strut of claim 6, further comprising: the anti-falling frame comprises a cuboid-shaped cylinder B, a top surface strip hole B is formed in the upper surface of the cuboid-shaped cylinder B along the length direction of the upper surface, the top surface strip hole B penetrates through the upper surface and the lower surface of the cuboid-shaped cylinder B, the two ends of the top surface strip hole B are not communicated with the heads, side edge strip holes B are formed in the two sides of the cuboid-shaped cylinder B along the length direction of the side edge strip hole B, the side edge strip holes B are communicated with the top surface strip holes B, and the two ends of the top surface strip holes B are not communicated with the heads.
8. The modular hydraulic strut of claim 7, further comprising: the anti-falling frame further comprises a rotating sliding block located in the top surface long hole B, two sides of the rotating sliding block are respectively provided with a rotating pin, and the rotating pins penetrate through the side edge long hole B.
9. The modular hydraulic strut of claim 8, wherein: the bottom of the rotating pin is provided with a threaded section, the side surface of the rotating slide block is provided with a screw hole matched with the threaded section, the threaded section is connected with the rotating slide block through the screw hole, the rotating pin is vertical to the rotating slide block, and the rotating slide block is provided with a central hole for the cylinder body to penetrate through.
10. The modular hydraulic strut of claim 9, further comprising: the processing of the base comprises the primary positioning of a cuboid cylinder A; positioning two side surfaces of a cuboid cylinder A; clamping a cuboid cylinder A (4); milling a top surface strip hole A and a side edge strip hole A; the base is lifted out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613173.2A CN112459812B (en) | 2020-12-31 | 2020-12-31 | Combined single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613173.2A CN112459812B (en) | 2020-12-31 | 2020-12-31 | Combined single hydraulic prop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112459812A true CN112459812A (en) | 2021-03-09 |
| CN112459812B CN112459812B (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011613173.2A Active CN112459812B (en) | 2020-12-31 | 2020-12-31 | Combined single hydraulic prop |
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| CN (1) | CN112459812B (en) |
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| CN2229971Y (en) * | 1995-06-16 | 1996-06-26 | 高波 | Falling down proof device for linking supporting-racks |
| AU2008201783A1 (en) * | 2008-04-23 | 2009-11-12 | Alminco Pty Ltd | Temporary roof support device and method |
| CN101936172A (en) * | 2010-08-06 | 2011-01-05 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
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| CN207583405U (en) * | 2017-08-11 | 2018-07-06 | 山东公信安全科技有限公司 | Individual prop interlocks reversion prevention apparatus |
| CN208886385U (en) * | 2019-01-03 | 2019-05-21 | 中山市华新气体有限公司 | Gas cylinder tilting prevention device |
| CN209083301U (en) * | 2018-10-31 | 2019-07-09 | 山东里能鲁西矿业有限公司 | The anti-down bar of mining advanced pillar and support system |
| CN209556529U (en) * | 2019-01-25 | 2019-10-29 | 天津市瑞隆禧钢铁有限公司 | A kind of protective fence buckstay |
| CN210195782U (en) * | 2019-06-14 | 2020-03-27 | 临沂矿业集团菏泽煤电有限公司 | Interlocking tilting prevention device for single hydraulic prop |
| CN210976850U (en) * | 2019-09-02 | 2020-07-10 | 上海永玺环境科技有限公司 | Municipal garden guardrail |
| CN211692518U (en) * | 2019-10-23 | 2020-10-16 | 宝钢集团新疆八一钢铁有限公司 | Hard-connection anti-tilting device for advance support single hydraulic prop of fully mechanized coal mining face |
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| CN2229971Y (en) * | 1995-06-16 | 1996-06-26 | 高波 | Falling down proof device for linking supporting-racks |
| AU2008201783A1 (en) * | 2008-04-23 | 2009-11-12 | Alminco Pty Ltd | Temporary roof support device and method |
| CN101936172A (en) * | 2010-08-06 | 2011-01-05 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
| CN202483595U (en) * | 2012-03-19 | 2012-10-10 | 北京天地华泰采矿工程技术有限公司 | Linked toppling-preventive device of single hydraulic props |
| CN204668373U (en) * | 2015-04-22 | 2015-09-23 | 上海电力学院 | A kind of adjustable battery fixed insulation case |
| CN204646276U (en) * | 2015-05-26 | 2015-09-16 | 陕西华彬煤业股份有限公司 | A kind of supplemental support seat of hydraulic prop |
| CN205154197U (en) * | 2015-10-27 | 2016-04-13 | 鄂尔多斯市中北煤化工有限公司 | Hydraulic pressure monomer pillar interlocking tilting prevention device |
| CN205349380U (en) * | 2016-02-03 | 2016-06-29 | 山西古县老母坡煤业有限公司 | Prevent whole crest truncation support of gob entry pucking |
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| CN107143363A (en) * | 2017-07-17 | 2017-09-08 | 平顶山平煤机煤矿机械装备有限公司 | A kind of lateral arrangement air way advance timbering group of firm support |
| CN206987862U (en) * | 2017-07-17 | 2018-02-09 | 平顶山平煤机煤矿机械装备有限公司 | A kind of lateral arrangement air way advance timbering group of firm support |
| CN207583405U (en) * | 2017-08-11 | 2018-07-06 | 山东公信安全科技有限公司 | Individual prop interlocks reversion prevention apparatus |
| CN207307029U (en) * | 2017-10-25 | 2018-05-04 | 周川 | A kind of pedestal for preventing that fire extinguisher from toppling over |
| CN209083301U (en) * | 2018-10-31 | 2019-07-09 | 山东里能鲁西矿业有限公司 | The anti-down bar of mining advanced pillar and support system |
| CN208886385U (en) * | 2019-01-03 | 2019-05-21 | 中山市华新气体有限公司 | Gas cylinder tilting prevention device |
| CN209556529U (en) * | 2019-01-25 | 2019-10-29 | 天津市瑞隆禧钢铁有限公司 | A kind of protective fence buckstay |
| CN210195782U (en) * | 2019-06-14 | 2020-03-27 | 临沂矿业集团菏泽煤电有限公司 | Interlocking tilting prevention device for single hydraulic prop |
| CN210976850U (en) * | 2019-09-02 | 2020-07-10 | 上海永玺环境科技有限公司 | Municipal garden guardrail |
| CN211692518U (en) * | 2019-10-23 | 2020-10-16 | 宝钢集团新疆八一钢铁有限公司 | Hard-connection anti-tilting device for advance support single hydraulic prop of fully mechanized coal mining face |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112459812B (en) | 2023-01-24 |
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