CN104389625B - Gib mine individual hydraulic prop - Google Patents
Gib mine individual hydraulic prop Download PDFInfo
- Publication number
- CN104389625B CN104389625B CN201410644694.2A CN201410644694A CN104389625B CN 104389625 B CN104389625 B CN 104389625B CN 201410644694 A CN201410644694 A CN 201410644694A CN 104389625 B CN104389625 B CN 104389625B
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- handle body
- gib
- ring
- triple
- 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.)
- Expired - Fee Related
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 9
- 241001330002 Bambuseae Species 0.000 claims abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000011425 bamboo Substances 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 239000012530 fluid Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003245 coal Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of gib mine individual hydraulic prop, solve large, the unhandy problem of existing apparatus weight, it is characterized in that: oil cylinder outward appearance is bamboo rod, oil cylinder is Bamboo-shaped at the outer wall that connects base, handle body, triple-use valve pedestal place, and remaining oil cylinder outer wall is thick bamboo tube shape; In described capital stomidium alive, seal plug is housed, top cylindrical is installed top cover; Oil cylinder is connected with base, handle body by connecting steel wire; Described triple-use valve pedestal is arranged on handle body lower end, and solid welding is on oil cylinder outer wall. Pillar weight of the present invention significantly alleviates, easily supporting, and safety coefficient increases; Appearance and modeling is attractive in appearance, and original height is short, fluid injection constant height, and hydraulic power unit, high-pressure hydraulic pump all can be to pillar feed flows, for liquid medium clear water etc.
Description
Technical field
The present invention relates to a kind of hydraulic prop, relate to or rather a kind of hydraulic prop that gib is carried out in the top, tunnel of down-hole driving.
Background technology
Under coal mine, tunnel other gib of gib and down-hole and perplexed coal production for many years, its difficult problem is: 1, supporting is frequent, labour intensity is large, inefficiency, supporting product weight weight used. Down-hole headwork is construction by stages. During this time, need to carry out gib to top, tunnel, to protect workmen's safety. When top, lane, the reinforcing of lane wall and the follow-up of other facility in a stage are laid after completion, then carry out the tunneling construction of next stage. Like this, leap repeatedly, completes driving and opens up to coal-face. A team of driving class, will complete the digging footage task in 6-8 stage every day. Therefore, frequent supporting, frequently time and the muscle power of removing post and having consumed driving workman. Meanwhile, gib pillar weight used is too heavy. As DW31.5(3.15M) pillar, its weight is 78 ㎏, it is motionless that people shoulders, it is also painstaking that two people lift, a class will remove post, 8 left and right of supporting are too large to workman's labour intensity, and, also directly affect operating efficiency. 2, unsafe factor increases. Because each class wants frequent supporting, frequently to remove post and reach 8 times more than, labor strength is large, fatiguability, unsafe factor increases. According to investigations, a medium size coal mine, every year pounding workman residual, that injure by a crashing object because of gib just has more than 8～10 people, and for colliery, safety be sky. 3, because digging laneway is developing unit, distant from underground hydraulic pressure pumping plant. Therefore, the pillar feed flow of gib is also one of difficult problem, and must reduce the water quality of pillar feed flow, preferably uses the clear water of down-hole.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art provides a kind of gib mine individual hydraulic prop, and lightweight, easy supporting, raises labour efficiency, and alleviates labor strength.
The present invention includes oil cylinder, post alive, base, handle body, top cover, triple-use valve pedestal, seal plug, seal, back-moving spring, described seal is O-ring seals, anti-extrusion ring, D shape sealing ring, it is characterized in that: oil cylinder outward appearance is bamboo rod, oil cylinder is Bamboo-shaped at the outer wall that connects base, handle body, triple-use valve pedestal place, and remaining oil cylinder outer wall is thick bamboo tube shape; In described capital stomidium alive, seal plug is housed, top cylindrical is installed top cover; Oil cylinder is connected with base, handle body by connecting steel wire; Described triple-use valve pedestal is arranged on handle body lower end, and solid welding is on oil cylinder outer wall.
As shown from the above technical solution, the present invention has following beneficial effect: lightweight, and easily supporting, safety coefficient increases, and hydraulic power unit, high-pressure hydraulic pump all can be to pillar feed flows, for liquid medium clear water etc. 1, pillar weight significantly alleviates, and people can withdraw, can supporting and remove post. Than the original pillar using light a lot, as DWL31.5-150/90 t shore, weight is that 44 ㎏ are more, and the pillar weight of original DWS31.5-250/100 is 78 ㎏, two compare, light 33 ㎏. 2, pillar appearance and modeling is attractive in appearance, and original height is short, fluid injection constant height, and the operation that is applicable to height crowd's supporting and removes post, has therefore ensured operator's personal safety. 3, pillar nominal operation hydraulic pressure is greater than 2 times of supporting pressure. Because top and two walls of digging laneway mostly are rock stratum, little for driving top board geology pressure, the operating pressure that requires pillar in its colliery just can meet the pressure requirement of gib below 9MPa, supporting pressure of the present invention is brought up to more than 2 times, for 19.1MPa, improve greatly safety coefficient. 4, hydraulic power unit, high-pressure hydraulic pump all can be to pillar feed flows, and what use is clear water for liquid medium completely. Working pressure carries out pillar feed flow at the high-pressure hydraulic pump of 3MPa, and liquid is clear water, very environmental protection entirely. And reduce the operations such as laying of the installation of hydraulic power unit in the past, liquid feeding pipeline, greatly improved drivage efficiency, reduced mining costs.
Brief description of the drawings
Accompanying drawing is structural representation of the present invention.
In figure, 1. base, the post guide ring of 2. living, 3.O shape sealing ring I, 4. anti-extrusion ring I, 5. connect steel wire I, 6. oil cylinder, the post of 7. living, 8. back-moving spring, 9. handle body, 10. connect steel wire II, 11.O shape sealing ring II, 12. anti-extrusion ring II, 13.D shape sealing ring, 14. anti-extrusion ring III, 15. handle body guide rings, 16. dust rings, 17. top covers, 18. elastic cylindrical pins, 19. seal plugs, 20.O shape sealing ring III, 21. anti-extrusion ring IV, 22. triple-use valve pedestals, 23. spring carrier arms, 24. limiting stands, 25. base hooks.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in drawings, the present invention is mainly made up of base 1, oil cylinder 6, live post 7, back-moving spring 8, handle body 9, top cover 17, seal plug 19, triple-use valve pedestal 22, seal etc.
Described oil cylinder 6 is carrying rod members of pillar bottom, also be the cavity of hydraulic action, main bearing radial force, by connecting steel wire I 5 with base 1, be connected respectively with handle body 9 by being connected steel wire II 10, outward appearance is bamboo rod, outer wall at the oil cylinder 6 at mounting seat 1, handle body 9, triple-use valve pedestal 22 places is Bamboo-shaped, and the outer wall of remaining oil cylinder 6 is thick bamboo tube shape.
The post 7 of living is hollow tube-shape, it is the carrying rod member of pillar, realize setting prop and retraction by the effect of hydraulic coupling, and roof pressure is passed to oil cylinder 6(with hydraulic pressure form is mainly radial load), base 1, it bottom and the post guide ring 2 of living is installed between the inwall of oil cylinder 6, the limiting stand 24 that lower end is provided with protrusion, is equipped with seal plug 19 in topped hole, as the sealing of post 7 upper ends of living. Seal plug 19 is realized the sealing on pillar top, and hydraulic coupling is applied on top cover 17 by seal plug 19, to reduce the axial compressive force of post 7 alive, improves the stress of pillar. Live and be provided with O-ring seals III 20, anti-extrusion ring IV 21 between post 7 and seal plug 19. There is a spring carrier arm 23 seal plug 19 lower ends, are connected with back-moving spring 8 and base hook 25, play and fall post reset response. The post 7 top cylindricals of living are installed top cover 17, and the top pawl of top cover 17 contacts with π shape hinge back timber, plays the effect that pressure transmits, and top cover 17, post 7 tops alive and three elastic cylindrical pins 18 of seal plug 19 use are simultaneously fixing.
Handle body 9 is handgrips that pillar is carried, moved, and is connected steel wire II 10 connects with oil cylinder 6 use, forms one. Between handle body 9 and oil cylinder 6, be provided with O-ring seals II, anti-extrusion ring II, and live and be provided with D shape sealing ring 13, anti-extrusion ring III 14, handle body guide ring 15, dust ring 16 between post 7, play oil cylinder 6 upper end sealings, the external seal of the post 7 of living, the post 7 retractable dustproof effects of living.
Triple-use valve pedestal 22 is responsible for to pillar feed flow and is returned liquid, is arranged on handle body 9 lower ends, and solid welding, near oil cylinder 6 outer walls cylinder ports, is played the function of triple-use valve, liquid filling pole-raising being installed, falling post discharge opeing unloading. For the hydraulic prop of model DWL31.5-150/90, triple-use valve pedestal 22 is arranged on handle body 9 lower end 165mm, apart from oil cylinder 6 least significant end 1565mm, apart from cylinder ports 200mm place, be applicable to the fluid injection of height people group operation, solved conventional column fluid injection high, the unsafe drawback of inconvenient operation.
Base 1 is in pillar bottom, be the important spare part of pillar bearing pressure, the roof pressure that the post 7 of living is born passes to base plate, is connected steel wire I 5 is integrally connected with oil cylinder 6 use, and O-ring seals I 3, anti-extrusion ring I 4 are housed between oil cylinder 6, oil cylinder 6 lower ends are sealed completely.
As mentioned above, just formed the hydraulic system of a sealing.
Operation principle:
The pillar that installs triple-use valve is holded up, fluid injection gun is installed, lock safety collar, the four paws of top cover 17 is aimed at the lower v notch v of articulated roof beam, opens pumping plant or high-pressure hydraulic pump to pillar inner chamber feed flow, under the effect of high-pressure work liquid, force post 7 alive slowly to stretch out, when stud overcap contacts articulated roof beam and back timber stretching top board is reached after setting load, the post 7 of living no longer raises, and the hydraulic coupling of pillar inner chamber reaches working hydraulic pressure in a short period of time. Unclamp fluid injection handgrip, stop feed flow, the fluid injection closed check valve in triple-use valve, pillar keeps the active support force to top board, dismantles safety collar, takes off fluid injection gun, and the supporting that completes pillar installs work.
When working face is constructed complete, need to remove post time, insert with special unloading handgrip in the unloading positioning sleeve of triple-use valve, rotate unloading handgrip, force the valve pocket of triple-use valve, connecting screw rod, the entirety such as fluid injection valve body move vertically, compression unloaded spring, unloading valve pad leaves left valve cylinder sealing surface, and unloading is opened completely. The working solution of pillar inner chamber sprays through left valve cylinder liquid injection hole, pillar inner chamber decompression, the post 7 of living retracts in oil cylinder 6 bodies, unloading handgrip is taken off under the effect of deadweight and back-moving spring, under the effect of unloaded spring, feather valve cuts out again, return to the state before use, thus complete pillar remove post recovery operation.
The DWL type gib mine individual hydraulic prop of developing taking applicant is as example: DWL31.5-150/90, and wherein, D is product type code name, represents monomer; W is First Characteristic code name, represents outer feed liquid way; L is Second Characteristic code name, represents gib; 31.5 represent that maximum supporting height is 31.5dm; 150 represent that the working resistance of pillar is 150KN; 90 represent that oil cylinder internal diameter is 90mm; Thick bamboo tube shape oil cylinder external diameter: 98.5mm; Bamboo-shaped oil cylinder external diameter: 104mm; Column internal diameter: 70mm lives; Post external diameter 80mm lives; Meet MT112.1-2006 standard-required; Working hydraulic pressure: 19.1MPa; Maximum height: 3150mm; Minimum constructive height: 1770mm; Impulse stroke: 1380mm; Pillar gross weight: 44.97kg when aneroid, 49.97kg while having liquid.
Claims (5)
1. a gib mine individual hydraulic prop, comprise oil cylinder, post alive, base, handle body, top cover, triple-use valve pedestal, seal plug, seal, back-moving spring, described seal is O-ring seals, anti-extrusion ring, D shape sealing ring, it is characterized in that: oil cylinder (6) outward appearance is bamboo rod, the outer wall that oil cylinder (6) is located at connection base (1), handle body (9), triple-use valve pedestal (22) is Bamboo-shaped, and remaining oil cylinder (6) outer wall is thick bamboo tube shape; In described post alive (7) topped hole, seal plug (19) is housed, top cylindrical is installed top cover (17); Oil cylinder (6) is connected with base (1), handle body (9) respectively by connecting steel wire; Described triple-use valve pedestal (22) is arranged on handle body (9) lower end, and solid welding is on oil cylinder (6) outer wall.
2. gib mine individual hydraulic prop as claimed in claim 1, it is characterized in that: a post guide ring alive (2) is installed between described post alive (7) lower end and the inwall of oil cylinder (6), and between seal plug (19), is provided with O-ring seals III (20), anti-extrusion ring IV (21).
3. gib mine individual hydraulic prop as claimed in claim 1, is characterized in that: between described handle body (9) and post alive (7), be provided with D shape sealing ring (13), anti-extrusion ring III (14), handle body guide ring (15), dust ring (16).
4. gib mine individual hydraulic prop as claimed in claim 1, it is characterized in that: described triple-use valve pedestal (22) is arranged on handle body (9) lower end 165mm, apart from oil cylinder (6) least significant end 1565mm, apart from cylinder ports 200mm place.
5. gib mine individual hydraulic prop as claimed in claim 1, is characterized in that: O-ring seals I (3), anti-extrusion ring I (4) are housed between described base (1) and oil cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410644694.2A CN104389625B (en) | 2014-11-14 | 2014-11-14 | Gib mine individual hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410644694.2A CN104389625B (en) | 2014-11-14 | 2014-11-14 | Gib mine individual hydraulic prop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389625A CN104389625A (en) | 2015-03-04 |
| CN104389625B true CN104389625B (en) | 2016-05-11 |
Family
ID=52607574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410644694.2A Expired - Fee Related CN104389625B (en) | 2014-11-14 | 2014-11-14 | Gib mine individual hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389625B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334913Y (en) * | 2008-12-30 | 2009-10-28 | 中国矿业大学 | Exhaust single hydraulic prop |
| CN201496079U (en) * | 2009-08-17 | 2010-06-02 | 中矿重工有限公司 | Mining single hydraulic prop |
| CN202417537U (en) * | 2012-01-08 | 2012-09-05 | 陶宾 | Anti-leakage single hydraulic prop |
| US8366077B2 (en) * | 2010-09-01 | 2013-02-05 | Chin Jih Shern Industrial Co., Ltd. | Jack structure for a clutch |
| CN204253066U (en) * | 2014-11-14 | 2015-04-08 | 淮北安来机电装备有限公司 | Temporary lining mine individual hydraulic prop |
-
2014
- 2014-11-14 CN CN201410644694.2A patent/CN104389625B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334913Y (en) * | 2008-12-30 | 2009-10-28 | 中国矿业大学 | Exhaust single hydraulic prop |
| CN201496079U (en) * | 2009-08-17 | 2010-06-02 | 中矿重工有限公司 | Mining single hydraulic prop |
| US8366077B2 (en) * | 2010-09-01 | 2013-02-05 | Chin Jih Shern Industrial Co., Ltd. | Jack structure for a clutch |
| CN202417537U (en) * | 2012-01-08 | 2012-09-05 | 陶宾 | Anti-leakage single hydraulic prop |
| CN204253066U (en) * | 2014-11-14 | 2015-04-08 | 淮北安来机电装备有限公司 | Temporary lining mine individual hydraulic prop |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104389625A (en) | 2015-03-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161114 |