CN202788667U - Main oil cylinder self-locking type hydraulic energy-storage well service hoist - Google Patents
Main oil cylinder self-locking type hydraulic energy-storage well service hoist Download PDFInfo
- Publication number
- CN202788667U CN202788667U CN 201220467294 CN201220467294U CN202788667U CN 202788667 U CN202788667 U CN 202788667U CN 201220467294 CN201220467294 CN 201220467294 CN 201220467294 U CN201220467294 U CN 201220467294U CN 202788667 U CN202788667 U CN 202788667U
- Authority
- CN
- China
- Prior art keywords
- piston
- rotation
- master cylinder
- self
- hydraulic energy
- 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
Abstract
The utility model discloses a main oil cylinder self-locking type hydraulic energy-storage well service hoist, which is widely used for the well repair operation of oil-water wells. The main oil cylinder self-locking type hydraulic energy-storage well service hoist comprises a main oil cylinder and a rotating platform, wherein the main oil cylinder is arranged on the rotating platform; an ascending oil port of the main oil cylinder is connected with a self-locking brake valve; the self-locking brake valve comprises a piston; and a piston rod of the piston is connected with a valve plug. The main oil cylinder self-locking type hydraulic energy-storage well service hoist disclosed by the utility model can be more and more tightened by being pressed by the decompressed hydraulic oil of a hydraulic system, so that the main oil cylinder is locked without downwards sliding; and the main oil cylinder self-locking type hydraulic energy-storage well service hoist solves a series of problems caused by the downward sliding of the main oil cylinder in the prior art, enhances the safety coefficient, ensures the safe production and has obvious economic benefits and social benefits.
Description
Technical field
The utility model relates to the hydraulic energy-storing workover rig of petroleum industry, and particularly a kind of master cylinder self-locking type hydraulic energy-storing workover rig can be widely used in the workover treatment of oil-water well.
Background technology
Contrast the most widely used workover rig tractor hoist of present oil well, hydraulic energy-storing workover rig is widely used in present workover treatment, and result of use obtains affirming of each elephant unit in charge of construction.The adjustable-type back-frame on-vehicle hydraulic energy-storage workover rig of announcing take patent No. 200920021271.X is as example, exists at present after the large and brake of brake noise the problem that hydraulic system decompression master cylinder can glide automatically.Master cylinder automatically downslide meeting causes potential safety hazard to the site operation personnel, simultaneously under effect of inertia, also may make elevator wash out tubing coupling, causes the drop work accident in shaft bottom of tubing string, causes heavy economic losses.
Summary of the invention
The purpose of this utility model provides a kind of master cylinder self-locking type hydraulic energy-storing workover rig, solves the problem that the hydraulic system decompression causes master cylinder automatically to glide, and improves the security performance of equipment, and is easy to operate when guaranteeing safe production, reliable operation.
Technical solution of the present utility model is: a kind of master cylinder self-locking type hydraulic energy-storing workover rig comprises master cylinder and rotation platform, and master cylinder is installed on the rotation platform.The rising hydraulic fluid port of master cylinder is connected with the self-locking brake valve, and the self-locking brake valve comprises piston, and the piston rod of piston is connected with spool.
The piston rod of described piston passes spring and positioning piston, and spring fitting is between piston and positioning piston; Spool is installed in the piston-rod end of piston, fixes with back tightening nut, and is locking with safetied pin on it.Hydraulic oil after the hydraulic system decompression can make spool press tighter and tighter, and the locking master cylinder does not glide.
Compared with prior art, the beneficial effects of the utility model such as following.The self-locking brake valve is installed on the rising hydraulic fluid port of master cylinder, braking and the release of control master cylinder, and the miner diameter end of its spool is towards piston, and its bigger diameter end can be pressed tighter and tighter by the hydraulic oil after the hydraulic system decompression towards the oil-out valve pocket, makes the master cylinder locking.Solved the series of problems that the prior art master cylinder glides and brings.Improve safety factor, ensured safety in production, had obvious economic benefit and social benefit.Simultaneously, processed the buffering chamfering at the reversing piston of reversal valve, it is large because of the too fast impact of high-low pressure switch speed to solve reversal valve, the problems such as the noise of generation is large, vibration.The utility model is installed in swivel joint the both sides of rotation platform, transformed the structure of central oil passage and rotary sleeve, when its hydraulic oil is passed through from annular chamber, pressure is more balanced, guarantee its rotation flexibly, guaranteed that also the seal of rotary sleeve annular chamber both sides is unlikely to be stung bad because of imbalance of pressure.Be the resettlement of more convenient hydraulic energy-storing workover rig, the utility model has been installed the overhead traveling crane anti-rotation device on the top of master cylinder, and it is no longer rotated because of the problem that can't fix in transportation.The utility model has also solved the relevant issues that master cylinder in use exists when having solved the master cylinder lockout issue, further facilitated operation and the use of hydraulic energy-storing workover rig, has obvious improvement effect.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is the partial enlarged drawing of overhead traveling crane anti-rotation device installation position.
Fig. 4 is the structural representation of swivel joint.
Fig. 5 is the structural representation of self-locking brake valve.
Fig. 6 is the structural representation of reversal valve.
The specific embodiment
For further disclosing the technical solution of the utility model, set forth below in conjunction with Figure of description.Referring to Fig. 1 and Fig. 2, a kind of master cylinder self-locking type hydraulic energy-storing workover rig comprises master cylinder 4 and rotation platform 3, master cylinder 4 is installed on the rotation platform 3, the rising hydraulic fluid port of master cylinder 4 is connected with self-locking brake valve 18, self-locking brake valve 18 comprises piston 18-3, and the piston rod of piston 18-3 is connected with spool 18-11.
As shown in Figure 5, self-locking brake valve 18 comprises that interface baffle plate 18-1, cylinder sleeve 18-2, piston 18-3, positioning piston 18-13, spool 18-11, valve seat 18-12, spring 18-4, back tightening nut 18-9, safetied pin 18-10, oil-out valve pocket 18-8 and oil-in valve pocket 18-7 form.Cylinder sleeve 18-2 one end seals with interface baffle plate 18-1, and cylinder sleeve 18-2, oil-in valve pocket 18-7 are connected adpting flange 18-5 and are connected with harness cord flange 18-6 with oil-out valve pocket 18-8.Positioning piston 18-13 is installed in the middle of cylinder sleeve 18-2 and the oil-in valve pocket 18-7.Positioning piston 18-13 is processed with control port, but moves by control port and the positioning piston 18-13 control port control piston 18-3 of interface baffle plate 18-1, can open or close spool 18-11.The piston rod of piston 18-3 passes spring 18-4 and positioning piston 18-13, and spring 18-4 is installed between piston 18-3 and the positioning piston 18-13; Spool 18-11 is installed in the piston-rod end of piston 18-3, and 18-9 fixes with back tightening nut, and is locking with safetied pin 18-10 on it.The miner diameter end of spool 18-11 is towards piston 18-3, and its bigger diameter end is towards oil-out valve pocket 18-8.During inoperation, spool 18-11 can rely on spring 18-4 pushing piston 18-3 to realize self-locking, prevents that master cylinder 4 from gliding.Valve seat 18-12 is installed on the end of oil-in valve pocket 18-7, relies on oil-out valve pocket 18-8 to compress.Self-locking brake valve 18 is installed on the rising hydraulic fluid port of master cylinder 4, braking and the release of control master cylinder 4.
Such as Fig. 2 and shown in Figure 4, swivel joint 19 comprises oil-in 19-1, welded flange 19-2, central oil passage 19-5, adpting flange 19-6, the tight nut 19-4 of the back of the body and rotary sleeve 19-3.Rotary sleeve 19-3 is processed with annular chamber, and its annular chamber radially is provided with side opening and oil-in 19-1 welding, and the axle sleeve body in its side opening both sides is provided with seal.At least process three oil-through holes on the central oil passage 19-5, evenly distribute on its body, central oil passage 19-5 passes the annular chamber of rotary sleeve 19-3, and its oil-through hole is in the annular chamber of rotary sleeve 19-3; The oil-in 19-1 of swivel joint 19 is connected with the high pressure of hydraulic system or low pressure feed line, and its oil-out 19-6 is connected with reversal valve 16.When pressure was arranged, the annular chamber of rotary sleeve 19-3 can guarantee that central oil passage 19-5 internal pressure is balanced, solved problem ineffective because of the rotation of the unbalanced appearance of pressure or that seal damages.Central oil passage 19-5 one end is fixed with lock nut 19-4, and the other end is connected on the axis of rotation of rotation platform 3, and concentric with axis of rotation.Swivel joint 19 rotates jointly with rotation platform 3, is communicated with the upper and lower fluid pressure line of rotation platform 3.
Such as Fig. 1, Fig. 2 and shown in Figure 3, overhead traveling crane anti-rotation device 17 is equipped with at the top of master cylinder 4, overhead traveling crane anti-rotation device 17 comprises anti-rotation lead 17-1 and V-type clamp 17-4, and V-type clamp 17-4 is fixed on the top of master cylinder 4, and anti-rotation lead 17-1 is fixed on the base flange of overhead traveling crane assembly 7; Anti-rotation lead 17-1 front end is provided with slot, and rotation-preventing mechanism wherein is housed; The end of V-type clamp 17-4 is provided with the V-type draw-in groove, and this V-type draw-in groove cooperates with rotation-preventing mechanism in the anti-rotation lead 17-1 slot.Rotation-preventing mechanism comprises anti-rotation directive wheel 17-3 and bearing pin 17-2, and the external diameter of its anti-rotation directive wheel 17-3 conforms to the width of the V-type draw-in groove of V-type clamp 17-4, and anti-rotation directive wheel 17-3 inserts in the slot of anti-rotation lead 17-1 front end, and 17-2 fixes by bearing pin.When overhead traveling crane assembly 7 was transferred to the end, anti-rotation roller 17-3 fell among the V-type clamp 17-4 on master cylinder 4 tops, and overhead traveling crane assembly 7 is not rotated in transit.
Such as Fig. 2 and shown in Figure 6, reversal valve 16 comprises guide's flange 16-1, change valve 16-2, reversing piston and hydraulic fluid port flange 16-4.Master cylinder 4 both sides on rotation platform 3 are respectively installed a reversal valve 16 and are communicated with the hydraulic fluid port of master cylinder 4, by being used of reversal valve 16, come master cylinder 4 is operated.Control port by guide's flange 16-1 can promote reversing piston and moves back and forth from the hydraulic oil of driller chamber, selects to open or close each hydraulic fluid port.Processing buffer chamfering 16-3 on the piston only of reversing piston path both sides, its machining angle are set between 10 °-15 °
,It is large to solve the too fast impact of reversal valve 16 high-low pressure switch speeds, the problems such as the noise of generation is large, vibration.
Claims (9)
1. master cylinder self-locking type hydraulic energy-storing workover rig, comprise master cylinder (4) and rotation platform (3), master cylinder (4) is installed on the rotation platform (3), it is characterized in that, the rising hydraulic fluid port of master cylinder (4) is connected with self-locking brake valve (18), self-locking brake valve (18) comprises piston (18-3), and the piston rod of piston (18-3) is connected with spool (18-11).
2. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 1, it is characterized in that, the piston rod of described piston (18-3) passes spring (18-4) and positioning piston (18-13), and spring (18-4) is installed between piston (18-3) and the positioning piston (18-13); Spool (18-11) is installed in the piston-rod end of piston (18-3), and is fixing with back tightening nut (18-9), locking with safetied pin (18-10) on it.
3. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 2 is characterized in that, the miner diameter end of described spool (18-11) is towards piston (18-3), and its bigger diameter end is towards oil-out valve pocket (18-8).
4. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 1, it is characterized in that, swivel joint (19) is installed in the both sides of described rotation platform (3), swivel joint (19) comprises rotary sleeve (19-3) and central oil passage (19-5), central oil passage (19-5) is set on the end of rotary sleeve (19-3), and is fixing by back tightening nut (19-4).
5. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 4, it is characterized in that, described rotary sleeve (19-3) is processed with annular chamber, and its annular chamber radially is provided with side opening and oil-in (19-1) welding, and the axle sleeve body in its side opening both sides is provided with seal; At least process three oil-through holes on the central oil passage (19-5), evenly distribute on its body, central oil passage (19-5) passes the annular chamber of rotary sleeve (19-3), and its oil-through hole is in the annular chamber of rotary sleeve (19-3); The oil-in (19-1) of swivel joint (19) is connected with high pressure or the low pressure feed line of hydraulic system, and its oil-out (19-6) is connected with reversal valve (16).
6. according to claim 4 or 5 described a kind of master cylinder self-locking type hydraulic energy-storing workover rigs, it is characterized in that, described central oil passage (19-5) end is fixing with lock nut (19-4), and the other end is connected on the axis of rotation of rotation platform (3), and concentric with axis of rotation.
7. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 5, it is characterized in that, described reversal valve (16) comprises reversing piston, processing buffer chamfering (16-3) on the piston only of its reversing piston path both sides, and its machining angle is set between 10 °-15 °.
8. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 1, it is characterized in that, overhead traveling crane anti-rotation device (17) is equipped with at the top of described master cylinder (4), overhead traveling crane anti-rotation device (17) comprises anti-rotation lead (17-1) and V-type clamp (17-4), V-type clamp (17-4) is fixed on the top of master cylinder (4), and anti-rotation lead (17-1) is fixed on the base flange of overhead traveling crane assembly (7); Anti-rotation lead (17-1) front end is provided with slot, and rotation-preventing mechanism wherein is housed; One end of V-type clamp (17-4) is provided with the V-type draw-in groove, and this V-type draw-in groove cooperates with rotation-preventing mechanism in anti-rotation lead (17-1) slot.
9. a kind of master cylinder self-locking type hydraulic energy-storing workover rig according to claim 8, it is characterized in that, described rotation-preventing mechanism comprises anti-rotation directive wheel (17-3) and bearing pin (17-2), the external diameter of its anti-rotation directive wheel (17-3) conforms to the width of the V-type draw-in groove of V-type clamp (17-4), anti-rotation directive wheel (17-3) inserts in the slot of anti-rotation lead (17-1) front end, and is fixing by bearing pin (17-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467294 CN202788667U (en) | 2012-09-14 | 2012-09-14 | Main oil cylinder self-locking type hydraulic energy-storage well service hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467294 CN202788667U (en) | 2012-09-14 | 2012-09-14 | Main oil cylinder self-locking type hydraulic energy-storage well service hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788667U true CN202788667U (en) | 2013-03-13 |
Family
ID=47815943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220467294 Expired - Fee Related CN202788667U (en) | 2012-09-14 | 2012-09-14 | Main oil cylinder self-locking type hydraulic energy-storage well service hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202788667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014291A (en) * | 2016-07-07 | 2016-10-12 | 东营嘉岩石油工艺研究院 | Vehicle-mounted planetary reversing workover rig |
| CN113428781A (en) * | 2021-08-26 | 2021-09-24 | 山东旭能石油装备有限责任公司 | Energy storage workover rig for under-pressure operation |
-
2012
- 2012-09-14 CN CN 201220467294 patent/CN202788667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014291A (en) * | 2016-07-07 | 2016-10-12 | 东营嘉岩石油工艺研究院 | Vehicle-mounted planetary reversing workover rig |
| CN113428781A (en) * | 2021-08-26 | 2021-09-24 | 山东旭能石油装备有限责任公司 | Energy storage workover rig for under-pressure operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389514B (en) | The all-hydraulic top-drive drilling of high speed high pulling torque | |
| CN202745742U (en) | Three jaw chuck type wellhead elevator | |
| CN204238847U (en) | The all-hydraulic top-drive drilling of high speed high pulling torque | |
| CN202788667U (en) | Main oil cylinder self-locking type hydraulic energy-storage well service hoist | |
| CN103670278B (en) | A kind of continuous-tube electricity liquid machine control directional orientation tool mechanical system | |
| CN103410435A (en) | High-speed electric drive top driver used for deep hole coring | |
| CN205740129U (en) | A kind of 360 degree of direction wire line guides | |
| CN201460776U (en) | Power swivel of petroleum drilling machine | |
| CN202706908U (en) | Top drive well drilling device for petroleum drilling machine | |
| CN202465123U (en) | Crawler-type emulsion liquid crane | |
| CN205063848U (en) | Sliding sleeve formula safety joint | |
| CN202048287U (en) | Rotating connection device in oil way system | |
| CN203476882U (en) | Swing oil cylinder | |
| CN202007651U (en) | Automatic balancing device of oil pumping machine | |
| CN202273635U (en) | Climbing type reducing blowout preventer | |
| CN204663383U (en) | A kind of pressure balance workover rig hydraulic swivel head | |
| CN205154063U (en) | Vehicular energy storage hydraulic pressure workover rig | |
| CN103375457A (en) | Hydraulic locking device | |
| CN103511792B (en) | There is the high pressure perforator of external pressure balance cylinder | |
| CN204512623U (en) | A kind of mechanical lock fixed structure and tripper | |
| CN207122294U (en) | A kind of decentralized wellhead locked by spring catch | |
| CN102913688A (en) | Delivery pipe, manufacturing method thereof and concrete pumping device | |
| CN202531082U (en) | Eccentric test wellhead device with annual circulation groove | |
| CN105239936A (en) | Vehicle-mounted energy accumulating hydraulic workover rig | |
| CN202729681U (en) | Winch rope guider of well drilling rope |
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: 20130313 Termination date: 20140914 |
|
| EXPY | Termination of patent right or utility model |