CN101813105A - Bidirectional sequence control valve special for tubing tong - Google Patents
Bidirectional sequence control valve special for tubing tong Download PDFInfo
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- CN101813105A CN101813105A CN 201010142169 CN201010142169A CN101813105A CN 101813105 A CN101813105 A CN 101813105A CN 201010142169 CN201010142169 CN 201010142169 CN 201010142169 A CN201010142169 A CN 201010142169A CN 101813105 A CN101813105 A CN 101813105A
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- shackle
- tong
- screwed
- valve body
- pressurized machine
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Abstract
The invention relates to a bidirectional sequence control valve special for a tubing tong, which mainly comprises a valve body, a screwed-on supercharging valve in a screwed-on oil inlet channel and a screwed-off supercharging valve in a screwed-off oil inlet channel. A screwed-on supercharger has the same structure as a screwed-off supercharger, and the oil channels are communicated in reverse directions. When one supercharger is opened, the other supercharger is closed. The screwed-on supercharger is used for delaying the pipe-clamping time of a main tong of the tubing tong during the screwed-on work; and the screwed-off supercharger is used for delaying the pipe-clamping time of the main tong of the tubing tong during the screwed-off work. Due to the blockage action of the screwed-on supercharger and the screwed-off supercharger on hydraulic oil in the screwed-on and screwed-off hydraulic oil channels through the main tong, the pipe-clamping action time of the main tong of the tubing tong during the screwed-on and screwed-off work is delayed. Therefore, sequential work of successively clamping the pipe by a back-up tong and the main tong is realized. The bidirectional sequence control valve special for the tubing tong has the advantages of light weight, small volume, stable hydraulic transmission, and the like, realizes integrated combination, and has convenient operation, reliable and safe work, and high applicability and reliability.
Description
Technical field:
The present invention relates to the oil field well workover with tubing tongs in last, shackle oil pipe operation, can effectively control tubing tongs master, back-up tong clamp and move a kind of bidirectional sequence control valve of sequencing.
Background technique:
At present, the well workover tubing tongs of domestic production, in last, shackle oil pipe operation, for various reasons, the action of tubing tongs master clamp pipe is often too early, too fast than the tubing tongs back-up tong, makes back-up tong produce when clamp and skids, and the oil pipe surface caused damage, when serious, can cause whole oil pipe to be scrapped, bring heavy losses and be easy to cause personal accident accident and device damage to the oil field.
Summary of the invention:
The objective of the invention is to, a kind of bidirectional sequence control valve that can effectively control tubing tongs master, back-up tong clamp order when last, shackle oil pipe is provided, require the moment master pincers of back-up tong clamp to carry out clamp immediately.
Technical solution of the present invention is as follows:
A kind of bidirectional sequence control valve of tubing tongs special use.This control valve comprises in valve body and the valve body goes up button pressurized machine and shackle pressurized machine in the oil circuit, on detain pressurized machine and be arranged on main pincers and go up in the button oil circuit, the shackle pressurized machine is arranged in the main pincers shackle oil circuit.Last button pressurized machine is identical with the shackle supercharger structure.Last button pressurized machine is to be communicated with in the other direction with shackle pressurized machine oil circuit, and when one of them pressurized machine was opened, another pressurized machine cut out.Described valve body is provided with: two connect the back-up tong hydraulic fluid port, connect with tubing tongs back-up tong oil cylinder two hydraulic fluid ports respectively; Two connect reverse valve oil head, connect into and out of hydraulic fluid port with selector valve respectively; Two connection motor hydraulic fluid ports clamp motor with the tubing tongs master respectively and connect into and out of hydraulic fluid port.Filler opening is gone up with main pincers respectively and is detained oil circuit, main pincers shackle oil circuit on button oil circuit, the back-up tong and connect that filler opening is interconnected under the motor under the connection selector valve in the valve body; Filler opening is respectively with back-up tong shackle oil circuit and connect that filler opening is interconnected on the motor on the connection selector valve in the valve body.
Last button pressurized machine is used to postpone tubing tongs when last button operation, the clamp time of main pincers; The shackle pressure charging valve is used to postpone tubing tongs when the shackle operation, the clamp time of main pincers.
Go up, go up in the shackle hydraulic circuit button pressurized machine, shackle pressurized machine retardation by main pincers, and reach the actuation time that postpones tubing tongs master pincers clamp when last, shackle operation hydraulic oil.
That this bidirectional sequence control valve has is in light weight, volume is little, steady performance.Therefore, realized combined integratedly, easy to operate, safe and reliable, had favorable applicability and reliability.
Description of drawings:
Fig. 1 is a bidirectional sequence control valve overall structure sectional view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 shackle piston, on detain the piston structure schematic representation.
Fig. 5 shackle plug screw, on detain the plug screw structural representation.
Among the figure: 1, valve body, 2, the hole that is fixedly connected, 3, back-up tong shackle oil circuit, 4, connect filler opening on the selector valve, 5, the shackle piston, 6, main pincers shackle oil circuit, 7, the shackle spring, 8, shackle seal ring 9, the shackle plug screw, 10, connect filler opening under the motor, 11, connect filler opening on the motor, 12, connect filler opening under the selector valve, 13, connect back-up tong shackle filler opening, 14, detain oil circuit on the back-up tong, 15, last button piston, 16, main pincers are gone up the button oil circuit, 17, connect on the back-up tong and tip hydraulic fluid port in, 18, last button spring, 19, last button seal ring, 20, last button plug screw, 21, the selector valve conjunction plane, 22, the oil hydraulic motor conjunction plane
Embodiment:
Referring to Fig. 1-Fig. 3, a kind of bidirectional sequence control valve special for tubing tong of the present invention comprises that going up in the oil circuit detained pressurized machine, shackle pressurized machine in valve body and the valve body.Last button pressurized machine is arranged in main pincers and goes up button oil circuit 16, by last button piston 15, on detain spring 18, on buckle seal ring 19, on buckle plug screw 20 and combine, be used for postponing tubing tongs when last button operation, the actuation time of main clamp pipe; The shackle pressurized machine is arranged in main pincers shackle oil circuit 6, is combined by shackle piston 5, shackle spring 7, shackle seal ring 8, shackle plug screw 9, is used for postponing tubing tongs when the shackle operation, the actuation time of main clamp pipe.Last button pressurized machine is to be connected in the other direction with shackle pressurized machine oil circuit, and hydraulic oil is opened one of them pressurized machine, and another is closed.Last button pressurized machine is all identical with the structure and the design size of shackle pressurized machine.Button piston 15 on one is arranged in the last button pressurized machine, and head is tapered, is used for fitting into the row sealing with the taper mouth of pipe of oil circuit; The afterbody of last button piston 15 is cylindrical, button spring 18 on the outer lining one, and its elastic force is specified.Because the elastic force effect of last button spring 18, make the taper of detaining piston 15 tops and the conical pipe in the oil circuit tight-lipped connect airtight to touch seal.The afterbody of last button spring 18 has buckle plug screw 20 on one, at last button plug screw 20 and valve body 1 contacts side surfaces place one annular groove is arranged, in be provided with and detain seal ring 19 on the O shape, be used for end face seal; Last button plug screw 20 is connected and fixed by outside thread and valve body 1 internal thread, on detain plug screw 20 tops one circular cavity arranged, be used for detaining the location of spring 18.Identical with last button pressurized machine, a shackle piston 5 is also arranged in the shackle pressurized machine, head is tapered, is used for fitting into the row sealing with the taper mouth of pipe of oil circuit; The afterbody of shackle piston 5 is cylindrical, outer lining one shackle spring 7, and its elastic force is specified.Because the elastic force effect of shackle spring 7, make the taper on shackle piston 5 tops and the conical pipe in the oil circuit tight-lipped connect airtight to touch seal.The afterbody of shackle spring 7 has a shackle plug screw 9, with valve body 1 contacts side surfaces place one annular groove is arranged at shackle plug screw 9, in be provided with an O shape shackle seal ring 8, be used for end face seal; Shackle plug screw 9 is connected and fixed by outside thread and valve body 1 internal thread, and a circular cavity is arranged at shackle plug screw 9 tops, is used for the location of shackle spring 7.The structure of shackle piston 5 and last button piston 15 is seen Fig. 4, and shackle plug screw 9 and last button plug screw 20 structures are seen Fig. 5.
The front of valve body 1 is provided with and connects under the selector valve filler opening 12 and connect that filler opening 4 connects into and out of hydraulic fluid port with selector valve respectively on the selector valve; The back side of valve body 1 is provided with and connects under the motor filler opening 10 and connect filler opening 11 on the motor, clamps motor with the tubing tongs master respectively and connects into and out of hydraulic fluid port; The side of valve body 1 is provided with to connect and tips hydraulic fluid port 17 on the back-up tong in and connect back-up tong shackle filler opening 13, connects with tubing tongs back-up tong oil cylinder two hydraulic fluid ports respectively.Wherein, filler opening 12 is gone up button oil circuit 14 on button oil circuit 16, the back-up tong, main pincers shackle oil circuit 6 with main pincers respectively and is connected that filler opening 10 is interconnected under the motor under the connection selector valve in the valve body 1; Filler opening 4 is respectively with back-up tong shackle oil circuit 3 and connect that filler opening 11 is interconnected on the motor on the connection selector valve in the valve body 1.
With embodiment the use principle and the operating procedure of duplex torque control valve are described further below:
Referring to Fig. 1-Fig. 5, suppose when detaining operation on the tubing tongs, hydraulic oil enters main pincers simultaneously and buckles oil circuit 16 from connecting under the selector valve filler opening 12, detain in the oil circuit 14 on main pincers shackle oil circuit 6 and the back-up tong, since main pincers go up go up in the button oil circuit 16 the button pressurized machine to shackle pressurized machine in the retardance of hydraulic oil and the main pincers shackle oil circuit 6 to the reverse sealing of hydraulic oil, so hydraulic oil enters back-up tong clamping control system by buckleing oil circuit 14 on the back-up tong by tipping hydraulic fluid port 17 on the connection back-up tong in earlier, make back-up tong carry out the clamp action earlier, clamp the moment of oil pipe at back-up tong, the main pressure of going up hydraulic oil in the button oil circuit 16 that clamps increases in the valve body, the pressure of the hydraulic oil after raising is during greater than the last elastic force of buckleing spring 18, hydraulic oil will be enclosed in main pincers go up buckle in the oil circuit 16 on buckle piston 15 and open, the working pressure of main pincers hydraulic oil raises, main pincers motor proper functioning makes main pincers carry out the clamp action.When having realized like this detaining operation on the tubing tongs, back-up tong elder generation clamp, the sequencing of main pincers back clamp.
When supposing tubing tongs shackle operation, hydraulic oil hydraulic fluid port 4 on connecting selector valve enters the back-up tong shackle oil circuit 3, filler opening 11 enters in the main pincers oil hydraulic motor on connecting motor then, and filler opening 10 enters main pincers shackle oil circuit 6 simultaneously and main pincers are gone up in the button oil circuit 16 through connecting under the motor.Because the shackle pressurized machine is gone up buckle to the retardance of hydraulic oil and main pincers and is upward buckled the reverse sealing of pressurized machine to hydraulic oil in the oil circuit 16 in the main pincers shackle oil circuit 6, so hydraulic oil unloads mouthful filler opening 13 by the connection back-up tong earlier and enters back-up tong clamping control system, make back-up tong carry out the clamp action earlier, clamp the moment of oil pipe at back-up tong, the pressure that the valve body master clamps hydraulic oil in the shackle oil circuit 6 increases, the pressure of the hydraulic oil after raising is during greater than the elastic force of shackle spring 7, the shackle piston 5 that hydraulic oil will be enclosed in the main pincers shackle oil circuit 6 is opened, the working pressure of main pincers hydraulic oil raises, main pincers motor proper functioning makes main pincers carry out the clamp action.When having realized tubing tongs shackle operation like this, back-up tong elder generation clamp, the sequencing of main pincers back clamp.
Claims (4)
1. bidirectional sequence control valve special for tubing tong is characterized in that:
This control valve comprises that going up in the oil circuit detained pressurized machine and shackle pressurized machine in valve body and the valve body; Last button pressurized machine is arranged on main pincers and goes up in the button oil circuit, and the shackle pressurized machine is arranged in the main pincers shackle oil circuit; Last button pressurized machine is identical with the shackle supercharger structure; Last button pressurized machine is to be communicated with in the other direction with shackle pressurized machine oil circuit, and when one of them pressurized machine was opened, another pressurized machine cut out;
Described valve body is provided with: two connect the back-up tong hydraulic fluid port, connect with tubing tongs back-up tong oil cylinder two hydraulic fluid ports respectively; Two connect reverse valve oil head, connect into and out of hydraulic fluid port with selector valve respectively; Two connection motor hydraulic fluid ports clamp motor with the tubing tongs master respectively and connect into and out of hydraulic fluid port;
Filler opening is gone up with main pincers respectively and is detained oil circuit, main pincers shackle oil circuit on button oil circuit, the back-up tong and connect that filler opening is interconnected under the motor under the connection selector valve in the valve body; Filler opening is respectively with back-up tong shackle oil circuit and connect that filler opening is interconnected on the motor on the connection selector valve in the valve body.
2. control valve according to claim 1 is characterized in that: on detain to have in the pressurized machine and detain piston on one, head is tapered; The afterbody of last button piston is cylindrical, detains spring on the outer lining one, on detain spring afterbody have and buckle plug screw on one, at last button plug screw and valve body contacts side surfaces place one annular groove is arranged, in be provided with and detain seal ring on the O shape; Last button plug screw is connected and fixed by screw thread and valve body, on detain plug screw top one circular cavity arranged, be used for detaining the location of spring.
3. control valve according to claim 1 is characterized in that: identical with last button pressurized machine, a shackle piston is also arranged in the shackle pressurized machine, and head is tapered; The afterbody of shackle piston is cylindrical, outer lining one shackle spring, the afterbody of shackle spring has a shackle plug screw, at shackle plug screw and valve body contacts side surfaces place one annular groove is arranged, in be provided with an O shape shackle seal ring; The shackle plug screw is connected and fixed by screw thread and valve body, and a circular cavity is arranged at shackle plug screw top, is used for the location of shackle spring.
4. control valve according to claim 1 is characterized in that: valve body tightens up by four be fixedly connected hole and selector valve conjunction planes, oil hydraulic motor conjunction plane and hand-operated direction valve, oil hydraulic motor on the tubing tongs and connects; After the connection, filler opening and connect that filler opening docks into and out of hydraulic fluid port with selector valve is corresponding respectively on the selector valve under the connection selector valve on the valve body; Filler opening and connect that filler opening docks into and out of hydraulic fluid port with motor is corresponding respectively on the motor under the connection motor on the valve body; Tip hydraulic fluid port on the connection back-up tong on the valve body in and connect back-up tong shackle filler opening respectively with corresponding the connecting of back-up tong oil cylinder oil phase of tubing tongs into and out of hydraulic fluid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142169 CN101813105B (en) | 2010-04-09 | 2010-04-09 | Bidirectional sequence control valve special for tubing tong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010142169 CN101813105B (en) | 2010-04-09 | 2010-04-09 | Bidirectional sequence control valve special for tubing tong |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101813105A true CN101813105A (en) | 2010-08-25 |
| CN101813105B CN101813105B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010142169 Active CN101813105B (en) | 2010-04-09 | 2010-04-09 | Bidirectional sequence control valve special for tubing tong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101813105B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993844A (en) * | 2014-06-06 | 2014-08-20 | 盐城特达钻采设备有限公司 | Seesaw type hydraulic control plug reversing reset device of power tongs |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA421887A (en) * | 1944-08-01 | Vinco Corporation | Sequence valve | |
| JPH03223508A (en) * | 1990-01-30 | 1991-10-02 | Mitsubishi Heavy Ind Ltd | Sequence valve |
| CN2486755Y (en) * | 2001-07-05 | 2002-04-17 | 焦集群 | Two-way pressure fixing valve for hydraulic oil pipe or rod clamp |
| CN2637708Y (en) * | 2003-06-27 | 2004-09-01 | 傅永森 | Torque regulating valve on power tongs |
| CN201627767U (en) * | 2010-04-09 | 2010-11-10 | 姜文岐 | Tubing tongs-dedicated two-way sequence control valve |
-
2010
- 2010-04-09 CN CN 201010142169 patent/CN101813105B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA421887A (en) * | 1944-08-01 | Vinco Corporation | Sequence valve | |
| JPH03223508A (en) * | 1990-01-30 | 1991-10-02 | Mitsubishi Heavy Ind Ltd | Sequence valve |
| CN2486755Y (en) * | 2001-07-05 | 2002-04-17 | 焦集群 | Two-way pressure fixing valve for hydraulic oil pipe or rod clamp |
| CN2637708Y (en) * | 2003-06-27 | 2004-09-01 | 傅永森 | Torque regulating valve on power tongs |
| CN201627767U (en) * | 2010-04-09 | 2010-11-10 | 姜文岐 | Tubing tongs-dedicated two-way sequence control valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993844A (en) * | 2014-06-06 | 2014-08-20 | 盐城特达钻采设备有限公司 | Seesaw type hydraulic control plug reversing reset device of power tongs |
| CN103993844B (en) * | 2014-06-06 | 2016-01-20 | 盐城特达钻采设备有限公司 | A kind of seesaw type hydraulic control latch commutation resetting means of Power Tong |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101813105B (en) | 2012-12-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LAIZHOU BALI PETROLEUM MACHINERY CO., LTD. Free format text: FORMER OWNER: JIANG WENQI Effective date: 20140319 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140319 Address after: 261400 Shandong city of Laizhou province Shifang Road No. 239 Patentee after: Laizhou Bali Petroleum Machinery Co.,Ltd. Address before: 261400 Shandong city of Laizhou province Shifang Road No. 239 Patentee before: Jiang Wenqi |