CN2929187Y - Circulation cleaning type single hydraulic pillar in mine - Google Patents
Circulation cleaning type single hydraulic pillar in mine Download PDFInfo
- Publication number
- CN2929187Y CN2929187Y CN 200620077331 CN200620077331U CN2929187Y CN 2929187 Y CN2929187 Y CN 2929187Y CN 200620077331 CN200620077331 CN 200620077331 CN 200620077331 U CN200620077331 U CN 200620077331U CN 2929187 Y CN2929187 Y CN 2929187Y
- Authority
- CN
- China
- Prior art keywords
- ring
- tube
- spring
- hole
- catheter
- 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
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a circulating clean type single-body hydraulic supporter utilized in mine, which belongs to coal mine used special supporting equipments. The utility model adds an inner chamber clean system for supporters on the prior single-body hydraulic supporter for mine, which comprises an inner catheter, an outer catheter, a top flange, a bottom flange, a triple-purpose valve and the like, realizes the purpose of automatically discharge the impurity inside the supporters with the oil emulsion, wherein, a pressure indicator arranged on the head portion of the supporter which comprises a levorotation barrel, a dextrorotation barrel, a left spring seat, a right spring seat, a pressed spring, an indicating rod, an indicating board, a sealing ring and the like, which is capable of indicating the pressure the hydraulic supporter bears, and detecting the sealing property of the hydraulic supporter. The utility model has the advantages of simple structure and reliable performance, and provides reliable hardware support for realizing the standardization of the face supporting quality.
Description
Technical field
The utility model relates to the special-purpose support apparatus in a kind of colliery, is specifically related to have a kind of circulation cleaning formula mine individual hydraulic prop of inner impurity of automatic discharge and the demonstration roof pressure size of bearing.
Background technology
At present, being widely used in the mine individual hydraulic prop of colliery stope roof timbering, is one of important supporting equipment of Safety of Coal Mine Production, and it is big that it has a support force, can adapt to stope well under the constant-resistance state and crush, for significant role has been brought into play in the safety in production in colliery.But also have the following disadvantages: because the liquid inlet and outlet of hydraulic prop is on the top of pillar, the impurity of bringing in the time of can not be with the setting prop fluid injection (as ickings, sand grains etc.) is taken hydraulic cavities out of when the prop drawing discharge opeing, in the course of time, just there is a large amount of impurity to be deposited on the bottom of pillar, influence the sealing effectiveness of pillar, make hydraulic prop lose the ability of roof supporting; The size of roof pressure that hydraulic prop bears is the most important index of reflection stope support safe condition, so mine individual hydraulic prop increase pressure-indication means is very important.
Summary of the invention
The purpose of this utility model provides a kind of circulation cleaning formula mine individual hydraulic prop.Can clear up impurity automatically and show the roof pressure size of bearing.Overcome the deficiency that existing mine individual hydraulic prop can not be cleared up impurity automatically and can not show the roof pressure size of bearing.
The technical scheme that the utility model adopted is: a kind of circulation cleaning formula mine individual hydraulic prop, comprise plunger tube, triple-use valve, base body, be connected back-moving spring and oil cylinder piston between triple-use valve and base body, it is characterized in that: on the basis of former mining hydraulic prop, increased pillar inner chamber cleaning system and be installed in the pressure indicator that shows the roof pressure size of bearing on the column cap body;
Described pillar inner chamber cleaning system is the inside at hydraulic prop, catheter, outer catheter in increasing in the centre bore of back-moving spring, and the upper end rivet clasp of interior catheter is on the flange of top, and the inner chamber of outer catheter is inserted in the lower end; The lower end rivet clasp of outer catheter is on end flange, and interior catheter moves up and down with the flexible of hydraulic prop in the catheter outside; The small end of top flange is processed into the screw thread that matches with back-moving spring, and with fixed reset spring top, big end card is placed on the bottom of column cap body; The small end of end flange is processed into the screw thread that matches with back-moving spring, and with fixed reset spring bottom, big end is processed into screw thread, is tightened in together with the threads engaged that is processed on the base body, at four through holes of axle center design of holding capable flange greatly level with both hands of end flange.Emulsion enters the inner chamber of hydraulic prop during setting prop through four through holes of triple-use valve, interior catheter, outer catheter and the big end of end flange; The emulsion of hydraulic prop inner chamber is discharged the hydraulic prop inner chamber through four through holes of the big end of end flange, outer catheter, interior catheter, triple-use valve when falling post, and can take out of, thereby reach the purpose of clearing up the hydraulic prop inner chamber with the impurity that emulsion will remain in the hydraulic prop.
Described pressure indicator comprises left-handed tube, dextrorotation tube, left spring seat, right spring base, compression spring, indicating arm and direction board; The through hole of the same specification of parallel processing above the through hole of column cap body installation triple-use valve, the setting pressure indicator; Pressure indicator is by left-handed tube, the dextrorotation tube, the compression spring, the left spring seat, right spring base, indicating arm, direction board, dust cover, compositions such as sealing ring, left-handed tube and dextrorotation tube are by being threaded togather, have the right spring base that the left spring seat of through hole and centre have through hole and sealing ring is arranged in the middle of being equipped with in the inner chamber that constitutes by left-handed tube and dextrorotation tube, on a left side, between the right spring base compression spring is housed, the left end diameter of indicating arm is big, can not pass left spring seat intermediate throughholes, form the retaining head, the right-hand member diameter is less, pass left spring seat intermediate throughholes, right spring base intermediate throughholes is to the null value of direction board, under the effect of hydraulic prop liquid pressure, indicating arm moves right, the compression spring stops indicating arm to move right by the left spring seat, the reaction force equal and opposite in direction of active force that indicating arm moves right and compression spring, the indicating arm displacement was just big when liquid pressure was big, the displacement of liquid pressure hour indicating arm is just little, the size of utilizing the indicating arm displacement reaches the pressure purpose of indicating demarcating the size that just can indicate hydraulic prop carrying roof pressure on the good direction board.
Described oil cylinder piston comprises piston ring, baffle ring, piston guide ring, sealing ring and plunger tube, and piston ring, sealing ring, baffle ring are equipped with in the lower end of plunger tube, and they constitute the cylinder seal piston jointly, to replace original piston; The piston ring outer wall processes for the gathering sill that guide ring is installed, inwall and plunger tube lower end tight fit, and baffle ring is fixed together by the pin and the cylinder of living, and the Che Shi sealing ring is installed in the annular seal groove that forms between piston ring and the baffle ring.
The beneficial effects of the utility model are that this hydraulic prop not only can be discharged impurity automatically, and can indicate the roof pressure size of being born, and can also improve the sealing performance of this hydraulic prop effectively.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is a sectional structural map of the present utility model
Among the figure: 1. friction top, 2. sealing ring, 3. dextrorotation tube, 4. direction board, 5. dust cover, 6. right spring base, 7. triple-use valve, 8. back-moving spring, 9. sealing ring, 10. pin, 11. base body, 12. end flanges, 13. baffle rings, 14. piston guide rings, 15. piston ring, 16. oil cylinders, 17. plunger tubes, 18. outer catheters, 19. interior catheter, 20. top flanges, 21. left spring seats, 22. indicating arms, 23. left-handed tube, 24. compression springs, 25. column cap bodies, 26. sealing bolts.
The specific embodiment
As shown in drawings, catheter 19, outer catheter 18 in increasing in the centre bore of back-moving spring 8, the centre bore of top flange 20 is inserted in the upper end of interior catheter 19, and with the upper end of top flange 20 and interior catheter 19 upper end rivet clasps together, in the through hole of the outer catheter 18 of its lower end insertion; Insert in the centre bore of end flange 12 lower end of outer catheter 18, and with the lower end rivet clasp of the lower end of end flange 12 and outer catheter 18 together, the interior catheter 19 that inserts from outer catheter 18 upper ends can move up and down with stretching of plunger tube 17; The small end of top flange 20 is designed to the external screw thread that matches with back-moving spring 8, is fixed on the upper end of back-moving spring 8 on this external screw thread and the top flange couples together, and the external diameter of big end is bigger than the internal diameter of column cap body 25 lower end centre bores, can stop top flange 20 to fall; The small end of end flange 12 is processed into the external screw thread that matches with back-moving spring 8, the lower end of back-moving spring 8 is fixed on this external screw thread, couple together with end flange 12, the big end of end flange 12 is designed to screw thread, with the threads engaged that is processed in the base body 11, make end flange 12 and be fixed in the lump on the base body 11, be processed with four through holes at the capable centre bore of holding level with both hands greatly of end flange 12 with back-moving spring 8, outer catheter 18; Base body 11 is processed into screw thread with endoporus on intrinsic basis, connect with end flange 12.Four through holes of the centre bore of emulsion process triple-use valve 7, column cap body 25, interior catheter 19, outer catheter 18, end flange 12 enter the inner chamber of this hydraulic prop during setting prop, with the post rise alive of hydraulic prop; Centre bore, the triple-use valve 7 of the emulsion when falling post in the pillar four through holes on end flange 12, outer catheter 18, interior catheter 19, column cap body 25 under back-moving spring 8 effects are discharged the hydraulic prop inner chamber.
There is a through hole at the center of column cap body 25, and the upper diameter of through hole is big, is processed into internal thread on the top, is used to install sealing bolt 26, and lower diameter is little, is convenient to assembling, blocks top flange 20; The through hole that two of centre bore processing are parallel to each other, specification is identical of vertical column cap body 25, following through hole is installed triple-use valve 7, top through hole setting pressure indicator; Pressure indicator is made up of left-handed tube 23, dextrorotation tube 3, compression spring 24, left spring seat 21, right spring base 6, indicating arm 22, direction board 4, dust cover 5, Che Shi sealing ring 2, friction top 1 etc.; The right-hand member of left-handed tube 23 is processed into external screw thread, and left end has O shape seal groove; The left end of dextrorotation tube 3 is processed into internal thread, and the centre has O shape seal groove, and its right-hand member diameter of bore is less, and dust cover 5 and direction board 4 are installed; Left-handed tube 23 and dextrorotation tube 3 are by being threaded, have the left spring seat 21 and the right spring base 6 of through hole in the middle of inner the installation, right spring base 6 left end diameters are little and have Che Shi sealing ring 2 grooves, the right-hand member diameter has the O-ring seals groove greatly, compression spring 24 is installed between two spring bases, the big formation retaining of indicating arm 22 left end diameters head, the body of rod passes left spring seat 21, the interstitial hole of right spring base 6 is to the null value of direction board 4, friction top 1 is the thin cylinder that left end has aperture, dust cover 5 is organic glass pipes, direction board 4 is rules of expression pressure size, sticks on the dust cover 5; In hydraulic prop under the effect of liquid pressure, indicating arm 22 moves right, compression spring 24 stops indicating arm 22 to move right by left spring seat 21, the reaction force equal and opposite in direction of active force that indicating arm 22 moves right and compression spring 24, indicating arm 22 displacements were just big when liquid pressure was big, the displacement of liquid pressure hour indicating arm 22 is just little, the size of utilizing indicating arm 22 displacements reaches the pressure purpose of indicating demarcating the size that just can indicate hydraulic prop carrying roof pressure on the good direction board 4.
Claims (3)
1, a kind of circulation cleaning formula mine individual hydraulic prop, comprise plunger tube (17), triple-use valve (7), base body (11), be connected back-moving spring (8) and oil cylinder piston between triple-use valve (7) and base body (11), it is characterized in that: on the basis of former mining hydraulic prop, increased pillar inner chamber cleaning system and be installed in the pressure indicator that shows the roof pressure size of bearing on the column cap body;
Described inner chamber cleaning system is: in the centre bore of back-moving spring (8), set up interior catheter (19) and outside catheter (18); The upper end rivet clasp of interior catheter (19) is on top flange (20), and the bottom is inserted in the centre bore of outer catheter (18), and interior catheter moves up and down with the flexible of hydraulic prop in the catheter outside; The small end of top flange (20) is connected with back-moving spring (8) by external screw thread, and its big end card is placed in column cap body (25) the lower central hole; The lower end rivet clasp of outer catheter (18) is on end flange (12); The small end of end flange (12) is connected with back-moving spring (8) by external screw thread, holds car that screw thread is arranged greatly, and the inner hole thread of base body (11) tightens together, and has through hole at the big end of end flange (12), parallels with centre bore;
Described pressure indicator comprises left-handed tube (23), dextrorotation tube (3), left spring seat (21), right spring base (6), compression spring (24), indicating arm (22) and direction board (4); Have a central through hole on column cap body (25), upper diameter is big, and the upper end is processed with the screw thread that is used to assemble top flange (20), sealing bolt (26), and lower end diameter is little, is used to block top flange (20); Vertical column cap body (25) centre bore have two be parallel to each other, through hole that specification is identical, following through hole is installed triple-use valve (7), above through hole the pressure indicator of being made up of left-handed tube (23), dextrorotation tube (3), compression spring (24), left spring seat (21), right spring base (6), indicating arm (22), direction board (4), dust cover (5), sealing ring (2), friction top (1) is installed; The right-hand member of left-handed tube (23) is processed with external screw thread, and the left end external diameter has the seal with O ring groove; The left end of dextrorotation tube (3) is processed with internal thread, and the right-hand member external diameter has the seal with O ring groove, the right-hand member diameter of bore is less so that dust cover (5) and direction board (4) to be installed; Left-handed tube (23) and dextrorotation tube (3) are by being threaded, have the left spring seat (21) and the right spring base (6) of through hole in the middle of inner the installation, right spring base (6) left end diameter is little and have a seal groove, the right-hand member diameter is processed with the seal with O ring ring recess greatly, and compression spring (24) is installed between two spring bases; The big formation retaining of indicating arm (22) left end diameter head, the body of rod passes left spring seat (21) interstitial hole, right spring base (6) the interstitial hole null value to direction board (4), friction top (1) is the thin cylinder that left end has aperture, and right-hand member is fastened on the left end of right spring base (6); Direction board (4) sticks on organic glass dust cover (5) inwall of tubulose, is installed in jointly in the right-hand member aperture of dextrorotation tube (23).
2, circulation cleaning formula mine individual hydraulic prop according to claim 1, it is characterized in that: described oil cylinder piston comprises piston ring (15), baffle ring (13), piston guide ring (14), sealing ring (9) and plunger tube (17); Plunger tube (17) lower end external diameter is little, cooperate the piston of forming oil cylinder (16) with piston ring (15), guide ring (14), sealing ring (9), baffle ring (13), pin (10), piston ring (15) outer wall has for the gathering sill that guide ring (14) is installed, inwall and plunger tube (17) lower end tight fit, in plunger tube (17) lower end, sealing ring (9) is installed in the annular seal groove between piston ring (15) and the baffle ring (13) baffle ring (13) by pin (10) rivet clasp.
3, circulation cleaning formula mine individual hydraulic prop according to claim 1 and 2, it is characterized in that: described sealing ring (2), (9) are Che Shi O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620077331 CN2929187Y (en) | 2006-09-15 | 2006-09-15 | Circulation cleaning type single hydraulic pillar in mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620077331 CN2929187Y (en) | 2006-09-15 | 2006-09-15 | Circulation cleaning type single hydraulic pillar in mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929187Y true CN2929187Y (en) | 2007-08-01 |
Family
ID=38307571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620077331 Expired - Fee Related CN2929187Y (en) | 2006-09-15 | 2006-09-15 | Circulation cleaning type single hydraulic pillar in mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2929187Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775835A (en) * | 2015-01-26 | 2015-07-15 | 中国矿业大学 | Self-adjustment magnetorheological fluid single prop |
| CN106768015A (en) * | 2016-11-18 | 2017-05-31 | 安徽理工大学 | A kind of Roof And Floor Stability self-operated measuring unit and application method |
-
2006
- 2006-09-15 CN CN 200620077331 patent/CN2929187Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775835A (en) * | 2015-01-26 | 2015-07-15 | 中国矿业大学 | Self-adjustment magnetorheological fluid single prop |
| CN104775835B (en) * | 2015-01-26 | 2016-08-24 | 中国矿业大学 | A kind of self-regulation magnetic flow liquid individual prop |
| CN106768015A (en) * | 2016-11-18 | 2017-05-31 | 安徽理工大学 | A kind of Roof And Floor Stability self-operated measuring unit and application method |
| CN106768015B (en) * | 2016-11-18 | 2019-02-05 | 安徽理工大学 | A method of using an automatic measuring device for the stability of top and bottom plates |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202560256U (en) | Plug-in type stand column hydraulic control one-way valve | |
| CN2929187Y (en) | Circulation cleaning type single hydraulic pillar in mine | |
| CN201330613Y (en) | High-pressure large-flow-rate safety valve | |
| CN202746185U (en) | Dual-guide conical valve with non-metallic seal and hydraulic cylinder body structure thereof | |
| CN112412915A (en) | Three-stage unloading high-flow upright post hydraulic control one-way valve for hydraulic support | |
| CN201412169Y (en) | Pressure indication type single hydraulic prop for mine | |
| CN108678945A (en) | High-pressure diaphragm pump check valve | |
| CN102191944A (en) | Inserted medium flow upright post hydraulic control one-way valve | |
| CN202064971U (en) | Plug-in medium flow column pilot operated check valve | |
| CN201554477U (en) | Novel individual hydraulic prop | |
| CN203879472U (en) | Automatic dosing device of oil well | |
| CN204107251U (en) | Pneumatic cold oil separator | |
| CN102787819A (en) | Tire type puncture-proof eccentric packing box | |
| CN202047835U (en) | Inserted hydraulic control one-way valve for thin coal bed support | |
| CN201982121U (en) | Plug-in type pillar hydraulic control one-way valve | |
| CN203130113U (en) | Dual-extension individual hydraulic prop | |
| CN2695640Y (en) | Large-flow three-used valve special for single hydraulic pillar | |
| CN102767512A (en) | Dual-guide belt nonmetallic sealing conical valve and hydraulic cylinder body structure thereof | |
| CN207421622U (en) | A kind of air bleeding valve | |
| CN207960640U (en) | A kind of big flow column safety valve | |
| CN206845449U (en) | A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body | |
| CN202073574U (en) | Insertion-type large-flow rigidly-sealed hydraulic control one-way valve for upright post | |
| CN208487005U (en) | High-pressure diaphragm pump check valve | |
| CN214366657U (en) | Rich oil pump control system | |
| CN222377571U (en) | A test joint installation structure for the hydraulic chamber of a completion tool safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Hegu Mining Technology Development Co., Ltd. Assignor: Gu Dezhong Contract record no.: 2011320000406 Denomination of utility model: Circulation cleaning type single hydraulic pillar in mine Granted publication date: 20070801 License type: Common License Record date: 20110325 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070801 Termination date: 20130915 |