CN209579426U - A kind of slush pump pulls out valve device - Google Patents
A kind of slush pump pulls out valve device Download PDFInfo
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- CN209579426U CN209579426U CN201822184835.3U CN201822184835U CN209579426U CN 209579426 U CN209579426 U CN 209579426U CN 201822184835 U CN201822184835 U CN 201822184835U CN 209579426 U CN209579426 U CN 209579426U
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- valve
- lead screw
- coupler body
- seat
- slot
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Abstract
The utility model discloses a kind of slush pumps to pull out valve device, including lead screw, is set with tripod seat on lead screw top, is set with hook assembly in lead screw lower end, is set with fluid cylinder close to tripod seat in lead screw middle and upper part；The cylinder seat of fluid cylinder is fixedly connected by a circle attachment screw with guide holder；The structure of the hook assembly is, including the coupler body as main body, coupler body is two valve symmetrical structures, arc groove is provided on coupler body top, tensioning spring is provided in the arc groove, it is radially provided with a through slot along two valve contact surfaces in the lower section of arc groove, both sides are fitted with a roller pin respectively in the through slot, by being set with circle locking steel wire in the locking hole of a pair of of roller pin jointly.Utility model device, further simplifies the structure for pulling out valve device, avoids disassembly suction manifold when in use, is remarkably improved the efficiency of slush pump replacement valve seat.
Description
Technical field
The utility model belongs to technical field of oil drilling equipment, is related to a kind of slush pump and pulls out valve device.
Background technique
Slush pump is the chief component that drilling machine mud circulating system is indispensable in drillng operation, mud when drillng operation
Slurry enters fluid cylinder valve chamber through drilling well pump inlet valve, then is discharged after piston pressurization by dump valve, subsequently into the high-voltage tube of drilling machine
Converge, the inlet valve of slush pump, dump valve be by the effect of high-pressure slurry in the process, and when mud pump work pump impulse compared with
Height, therefore inlet valve, dump valve become " consumptive material " for being easy to damage.
The installation site for sucking valve seat in slush pump fluid cylinder, valve seat being discharged, since fluid cylinder more than inlet valve is intracavitary always
The conical surface of acting in high-pressure slurry and two valve seats with fluid cylinder mating surface for constant slope, therefore inlet valve/dump valve work
After making a period of time, valve seat is by indentation fluid cylinder tightly and in the presence of very big magnitude of interference；In addition, due to valve seat replacement relatively frequency
It is numerous and fluid cylinder operating space is relatively limited.Based on the These characteristics of valve seat installation, just valve seat taking-up tool is proposed very high
It is required that, it is necessary to meet that light, structure is simple and swift to operate, it is desirable that operating space and the fluid cylinder components dismantled of needs as far as possible
It is few etc..It much pulls out valve device at present and requires to remove the suction line of slush pump during dismantling valve seat, by from suction inlet
Operation could remove valve seat, affect the efficiency of valve seat replacement.
Utility model content
The purpose of the utility model is to provide a kind of slush pumps to pull out valve device, solve prior art construction design it is unreasonable,
It needs to remove the suction line of slush pump, valve seat could be removed by the operation from suction inlet, affect valve seat replacement efficiency
The problem of.
The technical solution adopted in the utility model is, a kind of slush pump pulls out valve device, including lead screw, is set on lead screw top
Tripod seat, is set with hook assembly in lead screw lower end, is set with fluid cylinder close to tripod seat in lead screw middle and upper part；The cylinder seat of fluid cylinder
It is fixedly connected by a circle attachment screw with guide holder；
The structure of the hook assembly is that, including the coupler body as main body, coupler body is two valve symmetrical structures, on coupler body
Portion is provided with arc groove, is provided with tensioning spring in the arc groove, is radially provided with one along two valve contact surfaces in the lower section of arc groove
Through slot, both sides are fitted with a roller pin respectively in the through slot, by being set with a circle jointly in the locking hole of a pair of of roller pin
Lock steel wire.
The slush pump of the utility model pulls out valve device, it is further characterized in that:
For the coupler body using through slot as boundary, two more than through slot valve coupler body opposite faces are maximum section diametrically, through slot
Two valves coupler body opposite face below is incisal bevel in symmetrical.
The interior incisal bevel of the coupler body is provided with corresponding consistent internal screw thread, and the internal screw thread of two valve coupler bodies and lead screw circle
The external screw thread of perimeter surface is mating.
Safety valve is provided between the cylinder seat and fluid cylinder.
The utility model has the beneficial effects that with it is existing pull out valve device compared with, this pulls out valve device lower part hanging seat structure using more
Easy automatic folding type structure, further simplifies the substructure of lead screw, lead screw is enable more smoothly to fall into or take out
Valve seat out (existing lead screw is sometimes difficult to smoothly extract out after falling into valve seat)；Secondly the use for pulling out valve device also avoids disassembly suction
Enter manifold, directly coupler body is fallen into valve seat from plug hole, lead screw lower end is then threaded into coupler body, significantly improved
The efficiency of slush pump replacement valve seat.
Detailed description of the invention
Fig. 1 is that the utility model pulls out valve device scheme of installation；
Fig. 2 is that the utility model pulls out valve device perspective view of the explosion；
Fig. 3 is the hook assembly front view in the utility model；
Fig. 4 is the hook assembly side view in the utility model；
Fig. 5 is the coupler body schematic diagram in the utility model；
Fig. 6 is the coupler body cross-sectional view in the utility model；
Fig. 7 is the roller pin schematic diagram in the utility model；
Fig. 8 is the safety valve schematic view of the mounting position in the utility model；
Fig. 9 is that the utility model pulls out valve device in the mounting means schematic diagram of working condition.
In figure, 1. tripod seats, 2. fluid cylinders, 3. attachment screws, 4. cylinder seats, 5. guide holders, 6. lead screws, 7. hook assemblies, 8.
Safety valve, 9. high pressure oil inlets, 10. locking holes, 11. coupler bodies, 12. tensioning springs, 13. roller pins, 14. locking steel wires, 15. circles
Arc slot, 16. through slots, 22. discharge valve seats, 23. valve seat mounting holes, 24. sucking valve seats, 25. hydraulic cylinder of drill pump, 26. suction manifolds.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, Fig. 2, the structure that the utility model slush pump pulls out valve device are, including lead screw 6, are set on 6 top of lead screw
There is tripod seat 1, be set with hook assembly 7 in 6 lower end of lead screw, is set with fluid cylinder 2 close to tripod seat 1 in 6 middle and upper part of lead screw；Liquid
The cylinder seat 4 of cylinder 2 is fixedly connected by a circle attachment screw 3 with guide holder 5,
Wherein fluid cylinder 2, attachment screw 3, cylinder seat 4 and the sealing ring of inside are collectively referred to as pulling out the power source part of valve device,
High pressure oil is squeezed into the plunger shaft of fluid cylinder 2 by oil inlet, makes the relative motion of cylinder seat 4 and the generation of fluid cylinder 2 to drive lead screw 6
And hook assembly 7 moves, and then applies pulling force to valve seat 4 and disengage it from fluid cylinder 2.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, hook assembly 7 pulls out the executing agency of valve device as this, and structure is, including
As the coupler body 11 of main body, coupler body 11 is two valve symmetrical structures, is provided with arc groove 15 on 11 top of coupler body, sets in the arc groove 15
It is equipped with tensioning spring 12, is radially provided with a through slot 16 along two valve contact surfaces in the lower section of arc groove 15, both sides in the through slot 16
It is fitted with a roller pin 13 respectively, by being set with circle lock in the locking hole 10 (horizontal pore) of a pair of of roller pin 13 jointly
Gu steel wire 14.
Referring to Fig. 5, Fig. 6, two valve coupler bodies 11 are boundary with through slot 16, and two valve coupler bodies, 11 opposite face of 16 or more through slot is along straight
The maximum section of diameter, two valves coupler body, 11 opposite face below of through slot 16 are incisal bevel in symmetrical, and this structure makes two valve hooks
Body 11 can open and close in a certain range around a pair of of roller pin 13；The interior incisal bevel of each coupler body 11 is provided with corresponding consistent interior
Screw thread, and the internal screw thread of two valve coupler bodies 11 and the external screw thread of 6 circumferential surface of lead screw are mating.12 head and the tail of tensioning spring are connected
Cyclic structure is tightly placed in the arc groove 15 of two valve coupler bodies 11；The steel wire 14 that locks passes through a pair of of 13 outer end of roller pin (stub end)
Locking hole 10 in, roller pin 13 is strained and fixed in the through slot 16 that two valve coupler bodies 11 form to prevent falling off with coupler body 11.
Referring to Fig. 8, safety valve 8 is provided between cylinder seat 4 and fluid cylinder 2, for the pressure release in the excessive situation of pressure.
Referring to Fig. 9, the mounting means of utility model device is:
1) hook assembly 7 is installed,
Before use, hook assembly 7 and lead screw 6 are disengaging, the valve seat that hook assembly 7 is first passed through hydraulic cylinder of drill pump 25
Mounting hole 23 is put into the sucking valve seat 24 for needing to dismantle, since hook assembly 7 is in the effect of tensioning spring 12 and roller pin 13
The lower open-shaped state of two valve coupler body 11, and the upward opening for sucking valve seat 24 is in the shape of a trumpet, therefore inhales when hook assembly 7 is packed into
After entering valve seat 24, two valve coupler bodies 11 will open automatically make its be stuck in sucking 24 lower end edge of valve seat, by control hook assembly 7 and
The hole size of sucking valve seat 24 makes the inner hole that two valve coupler bodies 11 form under the constraint of sucking 24 inner hole of valve seat of hook assembly 7 still
It is a complete internal screw thread.In addition, since the presence of a pair of of 13 outer end stub end of roller pin will guarantee that hook assembly 7 is mounted on
It will not be fallen to downwards in the suction manifold 26 of lower section when on sucking valve seat 24.
2) lead screw 6 and other component are installed,
This is pulled out into the guide holder 5 of valve device first and is installed together by the hydraulic cylinder that fluid cylinder 2, cylinder seat 4, attachment screw 3 form
In the valve cover hole on 25 top of hydraulic cylinder of drill pump, then the hydraulic cylinder centre bore that lead screw 6 is pulled out valve device is screwed into downwards and has been pacified
It is attached in the hook assembly 7 of position, then by rotation so that external screw thread and 7 liang of 11 lower parts of valve coupler body of hook assembly of 6 lower end of lead screw
Internal screw thread spin together, due to suck 24 inner hole of valve seat effect of contraction, so the external screw thread of 6 lower part of lead screw remains to and two
The female thread of valve coupler body 11 is at complete screw thread pair without adversely affecting to its bonding strength.To lead screw 6 and hang
Triangulum 1 is mounted on the external screw thread of 6 upper end of lead screw again after screwing completely for hook assembly 7 and pre-tightening is pressed on it on fluid cylinder 2,
In this way the step of 7 lower part of hook assembly face upward with sucking valve seat lower end step face contact, so far pull out valve device in drilling well pump liquid
Installation operation in cylinder 25 is fully completed.
The course of work that the utility model pulls out valve device is: hand hydraulic pump access is pulled out to the high pressure oil inlet 9 of valve device fluid cylinder 2
And carry out suppressing operation, the fluid cylinder 2 for pulling out valve device under the action of high pressure oil generates relative motion and then drives lead screw 6 together with hook
Assembly 7 moves upwardly together, as the pulling force of 6 pairs of lead screw of raising sucking valve seats 24 of pressure is also gradually increased until being pulled out
Out；Lead screw 6 and hook assembly 7 are disengaged after extraction, then hook assembly 7 is taken out from sucking valve seat 24, is finally pacified from valve seat
It takes out sucking valve seat 24 and places under repair or renew in dress hole 23.
Claims (4)
1. a kind of slush pump pulls out valve device, it is characterised in that: including lead screw (6), be set with tripod seat (1), In on lead screw (6) top
Lead screw (6) lower end is set with hook assembly (7), is set with fluid cylinder (2) close to tripod seat (1) in lead screw (6) middle and upper part；Fluid cylinder
(2) cylinder seat (4) is fixedly connected by circle attachment screw (3) with guide holder (5)；
The structure of the hook assembly (7) is, including the coupler body (11) as main body, coupler body (11) is two valve symmetrical structures,
Arc groove (15) are provided on coupler body (11) top, tensioning spring (12) are provided in the arc groove (15), in arc groove (15)
Lower section is radially provided with a through slot (16) along two valve contact surfaces, and both sides are fitted with a roller pin respectively in the through slot (16)
(13), by being set with circle locking steel wire (14) in the locking hole (10) of a pair of of roller pin (13) jointly.
2. slush pump according to claim 1 pulls out valve device, it is characterised in that: the coupler body (11) is with through slot (16)
Boundary, two more than through slot (16) valve coupler body (11) opposite faces are maximum section diametrically, through slot (16) two valves coupler body below
(11) opposite face is incisal bevel in symmetrical.
3. slush pump according to claim 1 pulls out valve device, it is characterised in that: the interior incisal bevel of the coupler body (11) is arranged
There is corresponding consistent internal screw thread, and the internal screw thread of two valve coupler bodies (11) and the external screw thread of lead screw (6) circumferential surface are mating.
4. slush pump according to claim 1 pulls out valve device, it is characterised in that: set between the cylinder seat (4) and fluid cylinder (2)
It is equipped with safety valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184835.3U CN209579426U (en) | 2018-12-25 | 2018-12-25 | A kind of slush pump pulls out valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184835.3U CN209579426U (en) | 2018-12-25 | 2018-12-25 | A kind of slush pump pulls out valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209579426U true CN209579426U (en) | 2019-11-05 |
Family
ID=68378732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822184835.3U Active CN209579426U (en) | 2018-12-25 | 2018-12-25 | A kind of slush pump pulls out valve device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209579426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548941A (en) * | 2020-12-22 | 2021-03-26 | 中国石油天然气集团有限公司 | Hydraulically acting valve seat puller and use method thereof |
| WO2022232156A1 (en) * | 2021-04-26 | 2022-11-03 | John Vela | Valve Seat Puller Head Assembly |
-
2018
- 2018-12-25 CN CN201822184835.3U patent/CN209579426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548941A (en) * | 2020-12-22 | 2021-03-26 | 中国石油天然气集团有限公司 | Hydraulically acting valve seat puller and use method thereof |
| WO2022232156A1 (en) * | 2021-04-26 | 2022-11-03 | John Vela | Valve Seat Puller Head Assembly |
| US11958174B2 (en) | 2021-04-26 | 2024-04-16 | John Vela | Valve seat puller head assembly |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |