CN105673052A - Anti-jamming large-stroke mining single hydraulic prop - Google Patents
Anti-jamming large-stroke mining single hydraulic prop Download PDFInfo
- Publication number
- CN105673052A CN105673052A CN201610025371.4A CN201610025371A CN105673052A CN 105673052 A CN105673052 A CN 105673052A CN 201610025371 A CN201610025371 A CN 201610025371A CN 105673052 A CN105673052 A CN 105673052A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder body
- outer ring
- annular
- hydraulic prop
- Prior art date
- 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.)
- Pending
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Classifications
-
- 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
- E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
-
- 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
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/517—Extension elements
Abstract
An anti-jamming large-stroke mining single hydraulic prop comprises a plurality of long cylinders assembled on the upper portion of a movable column. The periphery of the lower portion of a cylinder body is sleeved with a valve seat, a three-way valve is arranged in the valve seat and is communicated with an inner cavity of the cylinder body through a liquid injection hole formed in the cylinder body in the radial direction, the inner cavity of the cylinder body is provided with an annular lower limiting boss on the upper portion of the liquid injection hole, and the bottom of a piston head located above the annular lower limiting boss is provided with a tension spring base, a fixed rod is arranged at the bottom end of the cylinder body in the radial direction, the tension spring base is connected with the fixed rod through a tension spring, the outer portion of the top end of the movable column is provided with a first outer annular step, the inner sides of the lower ends of the long cylinders are provided with first inner annular steps, the outer sides of the upper ends of the long cylinders are provided with second outer annular steps, the first inner annular step of the bottommost long cylinder is installed on the first outer annular step at the upper end of the movable column in a sleeving mode, and the second outer annular step of the uppermost long cylinder is inserted in the second inner annular step of a barrel body on the lower portion of a top cover. According to the single hydraulic prop, the lifting height can be increased flexibly as required, and the single hydraulic prop is simple in the manufacturing process, saves time and labor and is low in cost.
Description
Technical field
The present invention relates to mining equiment, be specifically related to a kind of big stroke mine individual hydraulic prop of anti-block.
Background technology
Hydraulic prop is widely used in coal mine down-hole tunnel and work surface as support apparatus, in actual use due to mask height not etc., the lift height of hydraulic prop is limited, in order to improve the supporting height of hydraulic prop, generally take the bottom at pillar that the way of lengthening section is set, although this method improves the supporting height of pillar, but complex manufacturing process, consuming time require great effort again, and need higher cost.
Summary of the invention
For above-mentioned prior art Problems existing, the present invention provides a kind of big stroke mine individual hydraulic prop of anti-block, and this hydraulic prop can carry out the increase of lift height neatly as required, and its manufacturing process is simple, time saving and energy saving, less costly.
To achieve these goals, the present invention provides a kind of big stroke mine individual hydraulic prop of anti-block, including post of living, cylinder body, it is assemblied in many root lengths cylinder on post top alive, described cylinder base is provided with base, cylinder body top is provided with handle body, post of living is positioned at the inwall slipper seal of cylinder interior and piston head and described cylinder body by being arranged on its lower end and coordinates, the lower periphery of described cylinder body is set with valve seat, described valve seat is provided with triple-use valve, described triple-use valve is through with inner chamber of cylinder block by the liquid injection hole being radially arranged on cylinder body, described inner chamber of cylinder block is provided with annular lower limit platform on liquid injection hole top, the bottom being positioned at the piston head above annular lower limit platform is provided with spring base, cylinder body bottom is radially provided with fixing bar, connected by extension spring between spring base and fixing bar, the tip exterior of described post alive is provided with outer ring step one, inboard, described long cylinder lower end is provided with the annular step one suitable with described outer ring step one, the outer ring step two identical with described outer ring step one shape and size it is provided with outside described long cylinder upper end, it is inserted in annular step one by outer ring step two between many root lengths cylinder and is connected with each other successively, the annular step one of the long cylinder of bottom is sleeved on the outer ring step one of post upper end alive, the outer ring step two of the long cylinder of the top is inserted in top cover lower cylinder,Handle body coordinates with post external cylindrical surface slipper seal of living, and described cylinder body top is provided with for piston head carries out spacing annular upper limit platform, and cylinder body is provided with note wind passage between annular upper limit platform and handle body.
Further, for the ease of processing, the length of described many root lengths cylinder is identical.
Further, in order to improve the versatility of this monomer liquid compression leg, the length of described many root lengths cylinder differs.
Further, in order to improve the versatility of this monomer liquid compression leg, in described many root lengths cylinder, the length of part long cylinder is identical, and the length of part long cylinder is different.
The present invention can increase the overall stroke of hydraulic prop by the setting of long cylinder, to meet supporting demand. By making the upper end of post alive be provided with outer ring step one, the lower end making long cylinder is provided with the annular step one suitable with outer ring step one, the upper end that so can make post alive is inserted in long cylinder easily, long cylinder and being mounted or separated of post of living can be realized quickly, by making the upper end of long cylinder be provided with the outer ring step two that shape and size are identical with outer ring step one, so can facilitate and be assembled quickly by plug-in mounting between long cylinder, it is thus possible to improve hydraulic prop operating efficiency. This hydraulic prop can carry out the increase of lift height neatly as required, and its manufacturing process is simple, time saving and energy saving, less costly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the unassembled long cylinder of the present invention and cover;
Fig. 2 is the structural representation of long cylinder in the present invention;
Fig. 3 is the structural representation of top cover in the present invention;
Fig. 4 is the structural representation that in the present invention, long cylinder and top cover match;
Fig. 5 is the integral installation figure of the present invention;
Fig. 6 is the partial enlarged drawing in the present invention.
In figure: post of 1, living, 2, cylinder body, 3, base, 4, handle body, 5, piston head, 6, long cylinder, 7, valve seat, 8, triple-use valve, 9, liquid injection hole, 10, annular lower limit platform, 11, spring base, 12, fixing bar, 13, extension spring, 14, outer ring step one, 15, annular step one, 16, outer ring step two, 17, annular step one, 18, top cover, 19, annular upper limit platform, 20, note wind passage.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figures 1 to 6, a kind of big stroke mine individual hydraulic prop of anti-block, including post 1 of living, cylinder body 2, it is assemblied in many root lengths cylinder 6 on post 1 top alive, it is provided with base 3 bottom described cylinder body 2, cylinder body 2 top is provided with handle body 4, post 1 of living is positioned at the inwall slipper seal of cylinder body 2 inside and piston head 5 and described cylinder body 2 by being arranged on its lower end and coordinates, the lower periphery of described cylinder body 2 is set with valve seat 7, described valve seat 7 is provided with triple-use valve 8, described triple-use valve 8 is through with cylinder body 2 inner chamber by the liquid injection hole 9 being radially arranged on cylinder body 2, described cylinder body 2 inner chamber is provided with annular lower limit platform 10 on liquid injection hole 9 top, the bottom being positioned at the piston head 5 above annular lower limit platform 10 is provided with spring base 11, cylinder body 2 bottom is radially provided with fixing bar 12, connected by extension spring 13 between spring base 11 and fixing bar 12, the tip exterior of described post alive 1 is provided with outer ring step 1, described 6 inboards, long cylinder lower end are provided with the annular step one 15 suitable with described outer ring step 1, the outer ring step two 16 identical with described outer ring step 1 shape and size it is provided with outside described long cylinder 6 upper end, it is inserted in annular step 1 by outer ring step 2 16 between many root lengths cylinder 6 and is connected with each other successively, the annular step 1 of the long cylinder 6 of bottom is sleeved on the outer ring step 1 of post 1 upper end alive, the outer ring step 2 16 of the long cylinder 6 of the top is inserted in top cover 18 lower cylinder, the hypomere of described cylinder is provided with annular step 2 17, the internal diameter of cylinder epimere is suitable with the external diameter of described outer ring step 2 16, the outer ring step 2 16 of the long cylinder 6 of the top is inserted in the epimere of described cylinder, now the annular step 2 17 of cylinder hypomere is just sleeved on the outer surface of post 1 alive, so can increase the post 1 bonding strength with top cover 18 of living, also quick connection can be facilitated implementation, working performance can be effectively improved.
As shown in figures 1 to 6, handle body 4 coordinates with post 1 external cylindrical surface slipper seal of living, and described cylinder body 2 top is provided with for piston head 5 carries out spacing annular upper limit platform 19, and cylinder body 2 is provided with note wind passage 20 between annular upper limit platform 19 and handle body 4. So when post of living can not normally reclaim, it is possible to flow into pressure-air by noting in the annular seal space that wind passage 20 changes into handle body 4, post 1 of living, piston head 5 and cylinder body 2, to promote the normal recovery of post 1 alive.
For the ease of processing, the length of described many root lengths cylinder 6 is identical.
In order to improve the versatility of this monomer liquid compression leg, the length of described many root lengths cylinder 6 differs.
In order to improve the versatility of this monomer liquid compression leg, in described many root lengths cylinder 6, the length of part long cylinder 6 is identical, and the length of part long cylinder 6 is different.
The overall stroke of hydraulic prop can be increased, to meet supporting demand by the setting of long cylinder 6. By making the upper end of post 1 alive be provided with outer ring step 1, the lower end making long cylinder 6 is provided with the annular step one 15 suitable with outer ring step 1, the upper end that so can make post 1 alive is inserted in long cylinder 6 easily, long cylinder 6 can be realized quickly and being mounted or separated of post 1 of living, by making the upper end of long cylinder 6 be provided with the outer ring step 2 16 that shape and size are identical with outer ring step 1, so can facilitate and be assembled quickly by plug-in mounting between long cylinder 6, it is thus possible to improve hydraulic prop operating efficiency. This hydraulic prop can carry out the increase of lift height neatly as required, and its manufacturing process is simple, time saving and energy saving, less costly.
Claims (4)
1. the big stroke mine individual hydraulic prop of anti-block, including post (1) of living, cylinder body (2), described cylinder body (2) bottom is provided with base (3), cylinder body (2) top is provided with handle body (4), post (1) of living is positioned at the inwall slipper seal of cylinder body (2) inside and piston head (5) and described cylinder body (2) by being arranged on its lower end and coordinates, it is characterized in that, also include the many root lengths cylinder (6) being assemblied in post alive (1) top, the lower periphery of described cylinder body (2) is set with valve seat (7), described valve seat (7) is provided with triple-use valve (8), described triple-use valve (8) is through with cylinder body (2) inner chamber by the liquid injection hole (9) being radially arranged on cylinder body (2), described cylinder body (2) inner chamber is provided with annular lower limit platform (10) on liquid injection hole (9) top, the bottom of the piston head (5) being positioned at annular lower limit platform (10) top is provided with spring base (11), cylinder body (2) bottom is radially provided with fixing bar (12), connected by extension spring (13) between spring base (11) and fixing bar (12), the tip exterior of described post alive (1) is provided with outer ring step one (14), described long cylinder (6) inboard, lower end is provided with the annular step one (15) suitable with described outer ring step one (14), the outer ring step two (16) identical with described outer ring step one (14) shape and size it is provided with outside described long cylinder (6) upper end, it is inserted in annular step one (15) by outer ring step two (16) between many root lengths cylinder (6) and is connected with each other successively, the annular step one (15) of the long cylinder (6) of bottom is sleeved on the outer ring step one (14) of post alive (1) upper end, the outer ring step two (16) of the long cylinder (6) of the top is inserted in top cover (18) lower cylinder, handle body (4) coordinates with post (1) external cylindrical surface slipper seal of living, described cylinder body (2) top is provided with for piston head (5) carries out spacing annular upper limit platform (19), and cylinder body (2) is provided with note wind passage (20) between annular upper limit platform (19) and handle body (4).
2. a kind of big stroke mine individual hydraulic prop of anti-block according to claim 1, it is characterised in that the length of described many root lengths cylinder (6) is identical.
3. a kind of big stroke mine individual hydraulic prop of anti-block according to claim 1, it is characterised in that the length of described many root lengths cylinder (6) differs.
4. a kind of big stroke mine individual hydraulic prop of anti-block according to claim 1, it is characterized in that, in described many root lengths cylinder (6), the length of part long cylinder (6) is identical, and the length of part long cylinder (6) is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025371.4A CN105673052A (en) | 2016-01-13 | 2016-01-13 | Anti-jamming large-stroke mining single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025371.4A CN105673052A (en) | 2016-01-13 | 2016-01-13 | Anti-jamming large-stroke mining single hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673052A true CN105673052A (en) | 2016-06-15 |
Family
ID=56300762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025371.4A Pending CN105673052A (en) | 2016-01-13 | 2016-01-13 | Anti-jamming large-stroke mining single hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673052A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114700U (en) * | 1992-02-22 | 1992-09-02 | 芙蓉矿务局 | Detachable length extension device for mine single hydraulic prop |
| CN2156287Y (en) * | 1993-03-13 | 1994-02-16 | 葛仲林 | Single body hydraulic support lifting device |
| CN2178280Y (en) * | 1993-12-28 | 1994-09-28 | 宜宾科技咨询服务中心芙蓉矿务局服务部 | Single hydraulic prop head assembly extensible device |
| DE4401480A1 (en) * | 1993-07-14 | 1995-07-27 | Vos Richard Grubenausbau Gmbh | Mine support prop with integral pressure limiting value sleeve |
| CN2835559Y (en) * | 2005-11-17 | 2006-11-08 | 赵士民 | Self-exhaust and lengthenable external-injection type single hydraulic support |
| CN201496080U (en) * | 2009-08-17 | 2010-06-02 | 安徽瑞达机械有限公司 | Single body hydraulic prop |
| CN201507314U (en) * | 2009-10-11 | 2010-06-16 | 河北天择重型机械有限公司 | Enhanced individual hydraulic prop |
| CN203201571U (en) * | 2013-04-03 | 2013-09-18 | 郑州昊鼎矿业装备有限公司 | Single hydraulic brace |
-
2016
- 2016-01-13 CN CN201610025371.4A patent/CN105673052A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114700U (en) * | 1992-02-22 | 1992-09-02 | 芙蓉矿务局 | Detachable length extension device for mine single hydraulic prop |
| CN2156287Y (en) * | 1993-03-13 | 1994-02-16 | 葛仲林 | Single body hydraulic support lifting device |
| DE4401480A1 (en) * | 1993-07-14 | 1995-07-27 | Vos Richard Grubenausbau Gmbh | Mine support prop with integral pressure limiting value sleeve |
| CN2178280Y (en) * | 1993-12-28 | 1994-09-28 | 宜宾科技咨询服务中心芙蓉矿务局服务部 | Single hydraulic prop head assembly extensible device |
| CN2835559Y (en) * | 2005-11-17 | 2006-11-08 | 赵士民 | Self-exhaust and lengthenable external-injection type single hydraulic support |
| CN201496080U (en) * | 2009-08-17 | 2010-06-02 | 安徽瑞达机械有限公司 | Single body hydraulic prop |
| CN201507314U (en) * | 2009-10-11 | 2010-06-16 | 河北天择重型机械有限公司 | Enhanced individual hydraulic prop |
| CN203201571U (en) * | 2013-04-03 | 2013-09-18 | 郑州昊鼎矿业装备有限公司 | Single hydraulic brace |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |