CN201531229U - Opened type hydraulic dynamic clamp safety door interlocking protecting device - Google Patents
Opened type hydraulic dynamic clamp safety door interlocking protecting device Download PDFInfo
- Publication number
- CN201531229U CN201531229U CN2009202836101U CN200920283610U CN201531229U CN 201531229 U CN201531229 U CN 201531229U CN 2009202836101 U CN2009202836101 U CN 2009202836101U CN 200920283610 U CN200920283610 U CN 200920283610U CN 201531229 U CN201531229 U CN 201531229U
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- CN
- China
- Prior art keywords
- safety door
- valve
- interlocking
- dynamic clamp
- over valve
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- Expired - Fee Related
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Abstract
An opened type hydraulic dynamic clamp safety door interlocking protecting device is composed of a dynamic clamp body, a safety door, a hydraulic motor, a mechanical draw wire type change-over valve, a manual change-over valve, a connecting connector, an interlocking wire, a fixing holder, a screw, an interlocking wire sleeve and the like. The mechanical draw wire type change-over valve is arranged between the manual change-over valve and the hydraulic motor, the mechanical draw wire type change-over valve is composed of a valve body, a valve core, a baffle plate, a connecting bolt, a fastening nut, a valve tail sleeve, a spring, an adjusting sleeve and a locking nut. The interlocking wire is arranged between the mechanical draw wire type change-over valve and the safety door, one end of the interlocking wire is connected with the end portion of the valve core of the mechanical draw wire type change-over valve, and the other end is fixed on the safety door. The safety door is closed well, the dynamic clamp can operate normally, the safety door is opened, and the dynamic clamp can not operate, thereby achieving the purpose of interlocking protection. The opened type hydraulic dynamic clamp safety door interlocking protecting device has simple structure, convenient operation and adjustment, and is safe and reliable.
Description
Technical field
The utility model relates to the safe automatic safety device of the security protection facility, particularly open hydraulic power tongs of oil drilling and well workover usefulness Power Tong.It belongs to oilfield machinery security protection technology field.
Background technology
At present, oil drilling and well workover Power Tong are the common equipments that unloads drilling rod, sleeve pipe and oil pipe operation on the oil field, are divided into open-type, closed type and survivor of a murder attempt's type by the binding clip pattern, and the open-type Power Tong is a kind of of the most normal employing.The open-type Power Tong generally all requires to be equipped with safety door, and oilfield safety needs now, also requires to accomplish that safety door shuts, and Power Tong could run well; Safety door is opened, and Power Tong can not turn round, and plays the interlock protection, prevents the operator in maloperation or careless, and health or other object enter opening, security incident occurs.
Summary of the invention
The purpose of this utility model provides a kind of open hydraulic power tongs safety door safe and reliable, simple in structure interlock protective device.
Technical solutions of the utility model are made up of Power Tong caliper, safety door, hydraulic motor, mechanical pulling reversal valve, hand-operated direction valve, jointing, train line, holder, screw and train line cover etc.But safety door is folding, is installed in Power Tong caliper opening part.Between hand-operated direction valve and hydraulic motor, be provided with the mechanical pulling reversal valve.The mechanical pulling reversal valve is made up of valve body, spool, baffle plate, connecting bolt, fastening screw nut, valve tail cover, spring, regulating sleeve, locking nut etc.There is train line to be connected between mechanical pulling reversal valve and the safety door.Train line one end is connected the spool end of mechanical pulling reversal valve by connecting bolt and fastening screw nut, and an end is fixed on the safety door by jointing.Train line overlaps on the regulating sleeve that an end is fixed on the mechanical pulling reversal valve, an end by holder and screw on the Power Tong caliper.Train line transmission in the train line cover drives spool and moves in valve body, realizes commutation; Spring plays reset response; Regulating sleeve is adjusted the installation length of train line, and it is consistent with the safety door switch motion to guarantee that spool moves, and locks with locking nut.Connected mode is divided into and board-likely is connected and is threaded between hand-operated direction valve and the hydraulic motor: when connected mode was board-like the connection, the mechanical pulling reversal valve was built up between hand-operated direction valve and the hydraulic motor, and fastening with screw, hydraulic fluid port directly communicates; Connected mode is when being threaded, and the mechanical pulling reversal valve links to each other with oil pipe or sebific duct with hydraulic motor with hand-operated direction valve, and hydraulic fluid port communicates by oil pipe or sebific duct.When safety door is closed, the commutation of linkage motivation tool stay-supported reversal valve, oil circuit is unobstructed between hand-operated direction valve and the hydraulic motor, handles hand-operated direction valve and just can make hydraulic motor running, Power Tong operate as normal; When safety door was opened, spring promoted valve core reset, cut off the oil circuit between hand-operated direction valve and the hydraulic motor; and make the off-load that communicates of oil-in, oil return opening, and hydraulic motor can't be turned round, Power Tong can't operate as normal; play safety door and be not related to, the interlock protection purpose that Power Tong can't turn round.It is characterized in that: be provided with the mechanical pulling reversal valve between hand-operated direction valve and hydraulic motor, described mechanical pulling reversal valve is to be made of valve body, spool, baffle plate, connecting bolt, fastening screw nut, valve tail cover, spring, regulating sleeve, locking nut.Be provided with train line between mechanical pulling reversal valve and the safety door, and train line one end is connected the spool end of mechanical pulling reversal valve, an end is fixed on the safety door.
The beneficial effects of the utility model are, have improved the security reliability of open hydraulic power tongs, and simple in structure, convenient disassembly, its economy and obvious social benefit.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the front view (board-like connection) of the utility model structural representation.
Fig. 2 is the vertical view (board-like connection) of the utility model structural representation.
Fig. 3 is the vertical view (being threaded) of the utility model structural representation.
Fig. 4 is the sectional view of mechanical pulling reversal valve.
Fig. 5 is the sectional view of mechanical pulling change-over valve core when moving.
Among the figure: 1. Power Tong caliper, 2. safety door, 3. hydraulic motor, 4. mechanical pulling reversal valve, 5. hand-operated direction valve, 6. jointing, 7. train line, 8. holder, 9. screw, 10. train line cover, 11. baffle plate, 12. valve bodies, 13. spools, 14. fastening screw nut, 15. connecting bolts, 16. valve tail covers, 17. locking nuts, 18. springs, 19. regulating sleeves, 20. oil pipes (or sebific duct)
The specific embodiment
In Fig. 1, Fig. 2 and Fig. 4, but safety door 2 is foldings, is installed in Power Tong caliper 1 opening part.Mechanical pulling reversal valve 4 is made up of valve body 12, spool 13, baffle plate 11, connecting bolt 15, fastening screw nut 14, valve tail cover 16, spring 18, regulating sleeve 19, locking nut 17 etc.There is train line 7 to be connected between mechanical pulling reversal valve 4 and the safety door 2.Train line 7 one ends are connected spool 13 ends of mechanical pulling reversal valve 4 by connecting bolt 15 and fastening screw nut 14, and an end is fixed on the safety door 2 by jointing 6.Train line overlaps on the regulating sleeve 19 that 10 1 ends are fixed on mechanical pulling reversal valve 4, and an end is fixed on the Power Tong caliper 1 by holder 8 and screw 9.Train line 7 transmission in train line cover 10 drives spool 13 and moves in valve body 12, realizes commutation; 18 reset responses of spring; Regulating sleeve 19 is adjusted the installation length of train line 7, and it is consistent with safety door 2 switch motions to guarantee that spool 13 moves, and locks with locking nut 17.
In Fig. 1, Fig. 2 and Fig. 3, between hand-operated direction valve 5 and hydraulic motor 3, be provided with mechanical pulling reversal valve 4, connected mode is divided into and board-likely is connected and is threaded between hand-operated direction valve 5 and the hydraulic motor 3: when connected mode is board-like the connection, mechanical pulling reversal valve 4 is built up between hand-operated direction valve 5 and the hydraulic motor 3, fastening with screw, hydraulic fluid port directly communicates; Connected mode is when being threaded, and mechanical pulling reversal valve 4 links to each other with hydraulic motor 3 usefulness oil pipes (or sebific duct) 20 with hand-operated direction valve 5, and hydraulic fluid port communicates by oil pipe (or sebific duct) 20.Hydraulic fluid port X1 and Y1 lead to hand-operated direction valve 5 on the mechanical pulling reversal valve 4, and hydraulic fluid port X2 and Y2 lead to hydraulic motor 3.
In Fig. 4, when safety door 2 is closed, 4 commutations of safety door 2 linkage motivation tool stay-supported reversal valves, hydraulic fluid port X1 and X2 are logical on the mechanical pulling reversal valve 4, Y1 and Y2 are logical, oil circuit is unobstructed between hand-operated direction valve 5 and the hydraulic motor 3, handles hand-operated direction valve 5 and just can make hydraulic motor 3 runnings, Power Tong operate as normal.
In Fig. 5, when safety door 2 was opened, spring 18 promoted spools 13 and resets, and hydraulic fluid port X1 and Y1 are logical, the off-load that communicates of the oil-in of hydraulic oil and oil return opening; X2 and Y2 close, and the advancing of hydraulic motor 3, oil return opening are closed, and the oil circuit between hand-operated direction valve 5 and the hydraulic motor 3 is cut off, and hydraulic motor 3 can't turn round, and Power Tong can't operate as normal, plays safety door 2 and is not related to, the interlock protection purpose that Power Tong can't turn round.
Claims (2)
1. open hydraulic power tongs safety door interlock protective device; form by Power Tong caliper, safety door, hydraulic motor, mechanical pulling reversal valve, hand-operated direction valve, jointing, train line, holder, screw and train line cover; it is characterized in that: be provided with the mechanical pulling reversal valve between hand-operated direction valve and hydraulic motor, described mechanical pulling reversal valve is to be made of valve body, spool, baffle plate, connecting bolt, fastening screw nut, valve tail cover, spring, regulating sleeve, locking nut.
2. a kind of open hydraulic power tongs safety door interlock protective device according to claim 1; it is characterized in that: be provided with train line between mechanical pulling reversal valve and the safety door; and train line one end is connected the spool end of mechanical pulling reversal valve, and an end is fixed on the safety door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202836101U CN201531229U (en) | 2009-11-27 | 2009-11-27 | Opened type hydraulic dynamic clamp safety door interlocking protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202836101U CN201531229U (en) | 2009-11-27 | 2009-11-27 | Opened type hydraulic dynamic clamp safety door interlocking protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531229U true CN201531229U (en) | 2010-07-21 |
Family
ID=42526633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202836101U Expired - Fee Related CN201531229U (en) | 2009-11-27 | 2009-11-27 | Opened type hydraulic dynamic clamp safety door interlocking protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531229U (en) |
-
2009
- 2009-11-27 CN CN2009202836101U patent/CN201531229U/en not_active Expired - Fee Related
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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: 20100721 Termination date: 20171127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |