CN202659253U - Energy conservation and environmental protection type corrosion resistance single hydraulic prop - Google Patents
Energy conservation and environmental protection type corrosion resistance single hydraulic prop Download PDFInfo
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- CN202659253U CN202659253U CN 201220301001 CN201220301001U CN202659253U CN 202659253 U CN202659253 U CN 202659253U CN 201220301001 CN201220301001 CN 201220301001 CN 201220301001 U CN201220301001 U CN 201220301001U CN 202659253 U CN202659253 U CN 202659253U
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- hydraulic cylinder
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- tubing string
- corrosion resistance
- expansion bearing
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Abstract
The utility model provides an energy conservation and environmental protection type corrosion resistance single hydraulic prop, which substantially comprises a hydraulic cylinder, a piston, a movable supporting pipe column, a return spring, a supporting column head, a hinged type top cover component and a three-use valve, and the piston, the movable supporting pipe column, the return spring, the supporting column head, the hinged type top cover component and the three-use valve are assembled in the hydraulic cylinder. The energy conservation and environmental protection type corrosion resistance single hydraulic prop is observably characterized in that an anti-corrosion cylinder sleeve is assembled on the inner wall of the hydraulic cylinder in an inlaying mode, an anti-corrosion pipe sleeve is assembled on the outer wall of the movable supporting pipe column in the inlaying mode, the anti-corrosion cylinder sleeve and the anti-corrosion pipe sleeve are made from austenitic stainless steel materials which have strong corrosion resistance performance and excellent manufacturability, and also can effectively insulate and prevent the hydraulic cylinder and the movable supporting pipe column from being corroded and damaged by corrosive liquid by contacting even in bad underground work environment. The energy conservation and environmental protection type corrosion resistance single hydraulic prop has the advantages of simple structure, easy manufacture, low production cost, convenient operation and use, strong corrosion resistance performance, excellent sealing performance and long service life, and has excellent market prospect.
Description
Technical field
The utility model relates to the mining supports equipment; relate in particular to a kind of energy saving and environment friendly corrosion-resistant single-body hydraulic supporter; it is specially adapted to the stope of coal mines scope of operation top board is supported protection, also can be used for other mine laneway culvert tunneling construction scene and makes safe supporting and protecting.
Background technology
In the coal mining manufacturing process, the supporting protected working of conscientiously carrying out underground work face top board is very important technical measures that guarantee production safety.According to investigations: in coal in China production industry and other mineral enterprises, great majority all are to adopt mine individual hydraulic prop as the supporting protective gear of underworkings driving mining operations face.Basic structure and the operating principle of existing hydraulic prop are: it mainly is made of the triple-use valve that is fitted to portable stanchion, the back-moving spring in the hydraulic cylinder and has one way valve, feather valve, three kinds of functions of safety valve, it is by in the band press liquid input hydraulic cylinder of triple-use valve with the pumping plant supply, the working resistance of utilizing fluid pressure to produce realizes setting prop, carrying and unloading reclaimer operation, can effectively finish scope of operation top board is supported protected working.Show through use: existing hydraulic prop have safe and reliable, carrying evenly, setting load is large, supporting effect good, prop drawing is safe, the advantage such as easy to use.This is the main cause that existing hydraulic prop is generally used in coal in China industry and other mineral products industry.But, need not to dare not or would not speak up, also there are the critical defects such as corrosion and damage is serious, seal damages leakage easily, useful working life weak point, inconvenient maintenance in existing hydraulic prop in actual production is used.Its main cause is: because hydraulic prop is quite abominable at the working environment of down-hole, the dust of the scope of operation is serious, ponding is moist and contain acid, alkalescence is strong, can cause strong corrosiveness to the portable stanchion that stretches out, and input hydraulic cylinder in also very serious to the corrosiveness of hydraulic cylinder inwall with press liquid, after using a period of time, will produce a large amount of rust staining pits at portable stanchion external surface and hydraulic cylinder inner wall surface, corrosion pit, when portable stanchion when frequent flexible, these rust staining pits, corrosion pit can damage seal by serious damage, make the very fast damage of seal leakage decompression phenomenon occur, this causes existing hydraulic prop useful working life short just, a fast main cause is scrapped in inefficacy.In order to solve the surface corrosion problem, the hydraulic prop of copper facing or Nickel Plating Treatment had once appearred carrying out at hydraulic cylinder inwall and portable stanchion external surface, because factors such as electroplating technology power consumption is large, cost of production is high, contaminated environment is serious and coating also comes off easily formation pockmark scratching seals.This electrodeposition-type hydraulic prop also is difficult to promote the use of for the moment.This is a great technical task in the urgent need to address facing of hydraulic prop for mine production industry for a long time, this also just the utility model want the problem that solves.
The utility model content
The purpose of this utility model is exactly the defects that exists for existing hydraulic prop, proposes a kind of energy saving and environment friendly corrosion-resistant single-body hydraulic supporter.
The purpose of this utility model realizes according to following technical scheme:
A kind of energy saving and environment friendly corrosion-resistant single-body hydraulic supporter, it comprises base, triple-use valve, hydraulic cylinder, piston, expansion bearing tubing string and back-moving spring, the piston that is connected in expansion bearing tubing string bottom is fitted to and forms the hydraulic chamber in the hydraulic cylinder, top at hydraulic cylinder is installed with handgrip, said expansion bearing tubing string cunning is assigned in the handgrip, at the expansion bearing tubing string supporting column cap is installed, the hinged top cap assemblies, be fitted with range limiter at the expansion bearing tubing string, the upper end of back-moving spring mounts in supporting column cap bottom, the lower end of back-moving spring mounts in base, it is characterized in that: the triple-use valve accumbency that communicates with the hydraulic chamber is fitted in the bearing post headpin body, is fitted with the anticorrosion cylinder sleeve at hydraulic cylinder inwall edge cover.Range limiter is the maximum extension elongation of restraint supporting tubing string effectively, has good safeguard protection performance.Design feature of the present utility model is: it is selected has the acid-alkali-corrosive-resisting performance and certain toughness is arranged, plasticity, the good stainless steel material of manufacturability is made the anticorrosion cylinder sleeve, the principle that utilization is expanded with heat and contract with cold adopts respectively the mode of " heating-cooling ", the anticorrosion cylinder sleeve can be inlayed securely cover and be fitted to the hydraulic cylinder inwall, also can adopt bonding agent with the anticorrosion cylinder sleeve bonding hydraulic cylinder inwall that is fitted to securely, can effectively isolate and stop corrosive liquids Fluid Contacting cylinder pressure internal face to cause corrosion to invade damage, it is strong that the hydraulic prop of this edge set type structure has a decay resistance, good seal performance, the remarkable characteristic of long service life.
Say that further the utility model also has following technical characterictic:
The anticorrosion cylinder sleeve is to adopt austenitic stainless steel material to make, and wall thickness is controlled to be 0.3 ~ 3.0mm.Select this have extremely strong decay resistance and good technological material making anticorrosion cylinder sleeve, this has positive effect to compactness and the decay resistance that improves the assembling of edge cover, can effectively prolong the application life of hydraulic prop.
Be fitted with the anticorrosion pipe box at expansion bearing tubing string outer wall edge cover.Can adopt the respectively mode of " heating-cooling ", the corrosionproof pipes cover is inlayed cover securely be fitted to expansion bearing tubing string outer wall, also can adopt bonding agent that corrosionproof pipes is overlapped the securely bonding expansion bearing tubing string outer wall that is fitted to, can effectively isolate to stop corrosive liquids contact with expansion bearing tubing string outside wall surface to cause to corrode and invade damage, this decay resistance to further enhancing hydraulic prop, sealing performance and increase the service life to grow obvious effect is all arranged.
The anticorrosion pipe box is to adopt austenitic stainless steel material to make, and wall thickness is controlled to be 0.3 ~ 3.0mm.Select this material with extremely strong decay resistance and good processing performance to make the anticorrosion pipe box, this is to the decay resistance of further raising hydraulic prop and then increase the service life positive effect is all arranged.
The utility model is compared with prior art has following advantage:
The utility model has been initiated at hydraulic cylinder inwall and the expansion bearing tubing string outer wall edge shell type hydraulic prop of equipped anticorrosion cylinder sleeve, anticorrosion pipe box respectively.It can effectively be isolated the prevention corrosive liquids damage is invaded in hydraulic cylinder, the contact corrosion of expansion bearing tubing string, it has that structure is simple and direct, easy to manufacture, edge cover equipped easy to operate, decay resistance strong, the outstanding advantages of good seal performance and long service life, compare with the hydraulic prop that adopts all steel material to make, can save a large amount of valuable stainless steel materials, reduce manufacturing cost, have high cost performance and energy-saving, emission-reducing, environment friendly social effect, economic benefit is very remarkable.
Description of drawings:
Fig. 1 is structural representation of the present utility model, and accompanying drawing also makes an abstract.
Fig. 2 is Fig. 1
IPartial enlarged drawing is illustrated in the structural representation that hydraulic cylinder inwall, expansion bearing tubing string outer wall are inlayed respectively the equipped anticorrosion cylinder sleeve of cover, anticorrosion pipe box.
Description of symbols in the accompanying drawing:
1 is triple-use valve, and 2 is handgrip, and 3 is hydraulic cylinder, and 4 is the expansion bearing tubing string, 5 is piston, and 6 is base, and 7 is lower connection steel wire, 8 is black box, and 9 is back-moving spring, and 10 is range limiter, 11 is the hydraulic chamber, and 12 is upper connection steel wire, and 13 is dust seal, 14 are the supporting column cap, and 15 is straight pin, and 16 is the hinged top cap assemblies, 17 is chucking lug, and 18 are the anticorrosion cylinder sleeve, and 19 are the anticorrosion pipe box.
The specific embodiment:
Further describe embodiment of the present utility model below in conjunction with accompanying drawing:
The energy saving and environment friendly corrosion-resistant single-body hydraulic supporter that the utility model proposes, it is mainly by hydraulic cylinder 3, be fitted to the piston 5 in the hydraulic cylinder 3, expansion bearing tubing string 4, back-moving spring 9 and the supporting column cap 14 that is installed on the expansion bearing tubing string 4, triple-use valve 1, hinged top cap assemblies 16 consists of, the bottom of hydraulic cylinder 3 with under connect steel wire 7 and be fixedly connected with base 6 is installed, use connection steel wire 12 on hydraulic cylinder 3 tops and be fixedly connected with installation handgrip 2, expansion bearing tubing string 4 is slided to be assigned in the handgrip 2 and to join face in the cunning of handgrip 2 and is fitted with dust seal 13, the piston 5 that is connected in expansion bearing tubing string 4 bottoms is fitted to hydraulic cylinder 3 interior formation hydraulic chambeies 11, fitting face at piston 5 and hydraulic cylinder 3 is fitted with black box 8, be fixedly connected with mounting support column cap 14 at expansion bearing tubing string 4, accumbency is fitted with the triple-use valve 1 that communicates with hydraulic chamber 11 in supporting column cap 14 cylinders, said triple-use valve 1 has one way valve, feather valve, three kinds of functions of safety valve, top at supporting column cap 14 fixedly mounts hinged top cap assemblies 16 with straight pin 15, be provided with chucking lug 17 on the hinged top cap assemblies 16, said back-moving spring 9 upper ends mount in supporting column cap 14 bottoms, the lower end of back-moving spring 9 mounts in the hangers of base 6 interior diapires, at the equipped anticorrosion cylinder sleeve 18 of hydraulic cylinder 3 inwalls edge cover, at the equipped anticorrosion pipe box 19 of expansion bearing tubing string 4 outer walls edge cover, above-mentioned hydraulic cylinder 3 and expansion bearing tubing string 4 are to adopt the 27SiMn Steel material to make through machining, anticorrosion cylinder sleeve 18, anticorrosion pipe box 19 is to adopt the austenitic stainless steel material with extremely strong decay resistance and good process to make, it is to inlay as follows the cover assembly operation: with hydraulic cylinder 3 heating, after 18 coolings of anticorrosion cylinder sleeve are processed, anticorrosion cylinder sleeve 18 can be inlayed securely the inwall that cover is fitted to hydraulic cylinder 3, with 19 heating of anticorrosion pipe box, after 4 coolings of expansion bearing tubing string are processed, anticorrosion pipe box 19 can be inlayed securely the outer wall that cover is fitted to expansion bearing tubing string 4, also can adopt bonding agent respectively with anticorrosion cylinder sleeve 18, anticorrosion pipe box 19 is bonding hydraulic cylinder 3 inwalls that are fitted to securely, the outer wall of expansion bearing tubing string 4, compound through rotational pressure again, carry out smart machining, with anticorrosion cylinder sleeve 18, the wall thickness of anticorrosion pipe box 19 is controlled to be 0.3 ~ 3.0mm, remakes the roll forming processing in the position of expansion bearing tubing string 4 equipped range limiters 10 and gets final product.The energy saving and environment friendly corrosion-resistant single-body hydraulic supporter of manufacturing by the technical scheme that the utility model proposes, when for the scope of operation protection of top board being supported, only need perpendicular the placing of hydraulic prop treated the bearing position place, woven hose with pumping plant is connected in triple-use valve 1 again, and operation triple-use valve 1 can carry out the work that setting prop, carrying and unloading are reclaimed.The utility model adopts the technical measures of hydraulic cylinder 3 inwalls edge cover anticorrosion cylinder sleeve 18, expansion bearing tubing string 4 outer walls edge cover anticorrosion pipe box 19, can effectively isolate and stop corrosive liquids and hydraulic cylinder 3 internal faces, the 4 outside wall surface contact corrosions of expansion bearing tubing string to cause and invade damage, in the actual production operation process, have decay resistance by force, the remarkable characteristic of good seal performance, long service life.
Claims (4)
1. energy saving and environment friendly corrosion-resistant single-body hydraulic supporter, it comprises base (6), triple-use valve (1), hydraulic cylinder (3), piston (5), expansion bearing tubing string (4) and back-moving spring (9), the piston (5) that is connected in expansion bearing tubing string (4) bottom is fitted to and forms hydraulic chamber (11) in the hydraulic cylinder (3), be installed with handgrip (2) on the top of hydraulic cylinder (3), said expansion bearing tubing string (4) is sliding to be assigned in the handgrip (2), at expansion bearing tubing string (4) supporting column cap (14) is installed, hinged top cap assemblies (16), be fitted with range limiter (10) at expansion bearing tubing string (4), the upper end of back-moving spring (9) mounts in supporting column cap (14) bottom, the lower end of back-moving spring (9) mounts in base (6), it is characterized in that: triple-use valve (1) accumbency that communicates with hydraulic chamber (11) is fitted in supporting column cap (14) cylinder, is fitted with anticorrosion cylinder sleeve (18) at hydraulic cylinder (3) inwall edge cover.
2. energy saving and environment friendly corrosion-resistant single-body hydraulic supporter according to claim 1 is characterized in that: anticorrosion cylinder sleeve (18) is to adopt austenitic stainless steel material to make, and wall thickness is controlled to be 0.3 ~ 3.0mm.
3. energy saving and environment friendly corrosion-resistant single-body hydraulic supporter according to claim 1 is characterized in that: be fitted with anticorrosion pipe box (19) at expansion bearing tubing string (4) outer wall edge cover.
4. energy saving and environment friendly corrosion-resistant single-body hydraulic supporter according to claim 3 is characterized in that: anticorrosion pipe box (19) is to adopt austenitic stainless steel material to make, and wall thickness is controlled to be 0.3 ~ 3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301001 CN202659253U (en) | 2012-06-26 | 2012-06-26 | Energy conservation and environmental protection type corrosion resistance single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301001 CN202659253U (en) | 2012-06-26 | 2012-06-26 | Energy conservation and environmental protection type corrosion resistance single hydraulic prop |
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| Publication Number | Publication Date |
|---|---|
| CN202659253U true CN202659253U (en) | 2013-01-09 |
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| CN 201220301001 Expired - Fee Related CN202659253U (en) | 2012-06-26 | 2012-06-26 | Energy conservation and environmental protection type corrosion resistance single hydraulic prop |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615268A (en) * | 2013-12-17 | 2014-03-05 | 中国矿业大学 | Mine piston type clean water hydraulic prop |
| CN103758544A (en) * | 2014-01-22 | 2014-04-30 | 淮南巨万实业有限责任公司 | Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode |
| CN103775112A (en) * | 2014-01-22 | 2014-05-07 | 淮南巨万实业有限责任公司 | Method for arranging anticorrosive coating on hydraulic support prop by spirally wound welding |
| CN104533476A (en) * | 2014-11-14 | 2015-04-22 | 淮北安来机电装备有限公司 | Non-joint single hydraulic prop for blasting mining |
| CN105041350A (en) * | 2015-06-02 | 2015-11-11 | 辽宁工程技术大学 | Hydraulic prop having anchoring force energy-absorbing buffering function |
| CN105402190A (en) * | 2015-12-02 | 2016-03-16 | 蒙阴金华机械有限公司 | Blind-hole oil cylinder inlaid with sleeve |
-
2012
- 2012-06-26 CN CN 201220301001 patent/CN202659253U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615268A (en) * | 2013-12-17 | 2014-03-05 | 中国矿业大学 | Mine piston type clean water hydraulic prop |
| CN103615268B (en) * | 2013-12-17 | 2016-06-15 | 中国矿业大学 | A kind of mine piston type clean water hydraulic prop |
| CN103758544A (en) * | 2014-01-22 | 2014-04-30 | 淮南巨万实业有限责任公司 | Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode |
| CN103775112A (en) * | 2014-01-22 | 2014-05-07 | 淮南巨万实业有限责任公司 | Method for arranging anticorrosive coating on hydraulic support prop by spirally wound welding |
| CN103775112B (en) * | 2014-01-22 | 2016-02-17 | 淮南巨万实业有限责任公司 | Anticorrosive coat hydraulic support column method is installed in a kind of spiral winding welding additional |
| CN104533476A (en) * | 2014-11-14 | 2015-04-22 | 淮北安来机电装备有限公司 | Non-joint single hydraulic prop for blasting mining |
| CN105041350A (en) * | 2015-06-02 | 2015-11-11 | 辽宁工程技术大学 | Hydraulic prop having anchoring force energy-absorbing buffering function |
| CN105402190A (en) * | 2015-12-02 | 2016-03-16 | 蒙阴金华机械有限公司 | Blind-hole oil cylinder inlaid with sleeve |
| CN105402190B (en) * | 2015-12-02 | 2017-09-19 | 蒙阴金华机械有限公司 | Blind hole cylinder bore method of inhibiting corrosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |