CN209293749U - A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism - Google Patents
A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism Download PDFInfo
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- CN209293749U CN209293749U CN201822060815.5U CN201822060815U CN209293749U CN 209293749 U CN209293749 U CN 209293749U CN 201822060815 U CN201822060815 U CN 201822060815U CN 209293749 U CN209293749 U CN 209293749U
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Abstract
The utility model discloses a kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism, and include: valve body is internally provided with valve plate and valve seat；Bonnet, is connect with valve body top；Bottom flange is connect with valve body lower portion；Lower valve rod is spun on valve plate lower part；Upper valve rod is spun on valve plate top, and bearing pressure cap is equipped at the top of upper valve rod, and nut set is installed inside bearing pressure cap, and nut set is internal to install ball-screw, and ball-screw upper end is arranged with connect cylinder；Connect cylinder upper end connects drive sleeve, connect at the top of drive sleeve with gear reduction unit, when nut, which covers, to be rotated, the lead screw in ball-screw is driven to move up and down, and lead screw lower part is connected with upper valve rod, drives upper valve rod and valve plate to move up and down, realizes unlatching and closing for valve.The utility model ball-screw and valve rod type of attachment technique are good, are conducive to bar sealing installation；Ball-screw transmits torque using flange, and bearing capacity is strong, easy for installation, configures work-saving device, and Field Force can be made convenient for operation.
Description
Technical field
The utility model relates to oil and gas development equipment technical field, in particular to a kind of super-pressure heavy caliber band effort-saving mechanism
Pressure break gate valve.
Background technique
In petroleum gas field, middle and later periods of well head exploitation payzone block or earth formation due to so that well
The decline of mouth pressure, yield are reduced, it is necessary to carry out fracturing work to well head.Pressure break is that stratum is artificially made to generate crack, is improved
Oil gas increases oil and gas production in the flowing environment of underground, to improvement shaft bottom flox condition, slows down interlayer and improves reservoir producing
Situation plays an important role.
For fracturing valve as the core building block in fracturing work, high pressure heavy caliber fracturing valve is trend.High pressure exists
When pressing crack construction, stratum can be sufficiently pressed off, improves pressure break efficiency；Bore is big, increases pressure break discharge capacity, shortens the pressure break period, subtracts
Few pressure break expense.As shown in Figure 1, Figure 2 and Figure 3, heavy caliber high pressure power also brings valve torque increased dramatically therewith, not only makes existing
Field personnel are difficult to smooth operation opening and closing；And currently on the market, logical in the axis of 6 top drilling of upper valve rod and ball-screw 10
It crosses pin 15 to be connected, craftsmanship is poor, during the installation process pin hole sealing element easy to damage.Ball-screw 10 and nut set in the prior art
9 types of attachment be that torque is transmitted by key, hold that torque capability is small and requirement on machining accuracy is high, since bearing capacity is low plus
Work installation is inconvenient, can not adapt to present demand.
Utility model content
A kind of pressure break gate valve the purpose of this utility model is to provide super-pressure heavy caliber with effort-saving mechanism enhances ball
The bearing capacity and installation convenience of lead screw junction, and increase effort-saving mechanism and facilitate operation.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism, include: valve body is internally provided with valve plate and valve
Seat；Bonnet, is connect with the top of the valve body；Bottom flange is connect with the lower part of the valve body；Lower valve rod is spun on
The lower part of the valve plate；Upper valve rod is spun on the valve plate top, is provided with bearing pressure cap, the axis at the top of the upper valve rod
Nut set is installed, the nut set is internal to be equipped with ball-screw, and the ball-screw upper end, which is arranged with, to be connect inside pressure-bearing cap
Cylinder, the nut set, the ball-screw and the connect cylinder link into an integrated entity；The connect cylinder upper end is connected with drive sleeve, described
At the top of drive sleeve with for increase output torque and drive the drive sleeve rotation so that gear reduction unit connect, when the spiral shell
When mother set rotates, the lead screw in ball-screw is driven to move up and down, the lead screw lower part is connected with the upper valve rod, described in drive
Upper valve rod and the valve plate move up and down, and realize unlatching and closing for valve.
Preferably, the ball-screw is connected by flange and nut set.
Preferably, the nut set is connect by bolt with the connect cylinder.
Preferably, the connect cylinder upper end is connect by pin with the drive sleeve.
Preferably, connected at the top of the ball-screw bottom opening, the ball-screw bottom and the upper valve rod by pin
It connects.
Preferably, it is provided with bracket on the bearing pressure cap, the bracket covers on the outer of the connect cylinder and the drive sleeve
Portion.
Preferably, the gear reduction unit is equipped with rotatable handwheel.
Preferably, the gear reduction unit is located on the bracket, and is connect by bolt with the bracket.
Preferably, the bearing pressure cap is located on the bonnet,.
Compared with prior art, the utility model has the following beneficial effects: the ball-screw bottom opening of (1) the utility model
By pin connection, ball-screw and valve rod type of attachment technique are good at top with upper valve rod, are conducive to bar sealing installation；(2) this reality
Torque is transmitted using flange with novel ball-screw, bearing capacity is strong, easy for installation；(3) the utility model is in drive sleeve
Portion is equipped with gear reduction unit, increases output torque, configures work-saving device, and Field Force can be made convenient for operation.
Detailed description of the invention
Fig. 1 pressure break gate valve structure schematic diagram in the prior art；
The pressure break gate valve rod and ball-screw connection schematic diagram of Fig. 2 prior art；
The pressure break gate valve ball-screw and nut of Fig. 3 prior art cover connection schematic diagram；
The pressure break gate valve structure schematic diagram of Fig. 4 the utility model；
The pressure break gate valve rod and ball-screw connection schematic diagram of Fig. 5 the utility model；
The pressure break gate valve ball-screw and nut of Fig. 6 the utility model cover connection schematic diagram.
Wherein, 1. valve body；2. bottom flange；3. lower valve rod；4. valve plate；5. valve seat；6. upper valve rod；7. bonnet,；8. bearing
Pressure cap；9. nut set；10. ball-screw；11. connect cylinder；12. bracket；13. drive sleeve；14. gear reduction unit；15. pin；16.
Key.
Specific embodiment
In order to keep the utility model more obvious and easy to understand, the utility model is done below in conjunction with the drawings and specific embodiments
It further illustrates.
As shown in figure 4, pressure break gate valve of the super-pressure heavy caliber of the utility model with effort-saving mechanism includes valve body 1, lower valve
Lid 2, lower valve rod 3, valve plate 4, valve seat 5, upper valve rod 6 and bonnet, 7, wherein valve plate 4 and valve seat 5 are located among valve body 1, valve body 1
Lower end is connected with bottom flange 2, and lower valve rod 3 is spun on 4 lower end of valve plate, and 1 upper end of valve body is connected with bonnet, 7, and upper valve rod 6 is spun on valve plate
4 upper ends.
As shown in Fig. 4 and Fig. 5 combination, it is equipped with bearing pressure cap 8 at the top of upper valve rod 6, bearing and spiral shell are housed inside bearing pressure cap 8
Mother set 9, nut, which covers, is equipped with ball-screw 10 in 9,10 lower end of ball-screw is attached with upper valve rod 6 by pin 15.Specifically
Ground, passing through inside bearing pressure cap 8 has ball-screw 10 and nut set 9 and seat is on bonnet, 7, and 10 upper end of ball-screw is arranged with
Connect cylinder 11, nut set 9 are connect by bolt with connect cylinder 11, so that nut set 9, ball-screw 10 and connect cylinder 11 are connected to one
It rises.
11 upper end of connect cylinder is equipped with drive sleeve 13, and is attached by pin；Bearing pressure cap 8 is equipped with bracket 12 and covers on
Outside connect cylinder 11 and drive sleeve 13, it is connected at the top of gear reduction unit 14 and drive sleeve 13 and seat is carried out on bracket 12 by bolt
Connection.
When needing controlled valve, handwheel on rotate gear retarder 14 is then turned round in the increase output of gear reduction unit 14
Under the action of square, effortlessly can the very big high pressure heavy-caliber gate valve of operation resistance, the torque of output rotates drive sleeve 13
With connect cylinder 11 and nut set 9.As shown in fig. 6, the utility model is compared by flanged joint ball-screw 10 and nut set 9
Bigger torque can be carried and transmitted in common key connection, and handling ease, high production efficiency, installation are more convenient.Rotation
Nut set 9 make lead screw in ball-screw 10 walk to move up and down, lead screw lower end is connected with upper valve rod 6, drive upper valve rod 6 and valve
Plate 4 moves up and down, and realizes unlatching and closing for valve.
The utility model passes through pin 15 at 10 bottom opening of ball-screw, 10 bottom of ball-screw and the top of upper valve rod 6
Connection, improve craftsmanship in the prior art is poor, in installation process pin hole sealing element easy to damage defect, improve intensity,
Connection type craftsmanship is more preferable, and in mounting rod sealing it is possible to prevente effectively from scratching.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (9)
1. a kind of pressure break gate valve of super-pressure heavy caliber with effort-saving mechanism, characterized by comprising:
Valve body (1) is internally provided with valve plate (4) and valve seat (5)；
Bonnet, (7) is connect with the top of the valve body (1)；
Bottom flange (2) is connect with the lower part of the valve body (1)；
Lower valve rod (3), is spun on the lower part of the valve plate (4)；
Upper valve rod (6) is spun on the valve plate (4) top, is provided with bearing pressure cap (8), the axis at the top of the upper valve rod (6)
It is equipped with nut set (9) inside pressure-bearing cap (8), ball-screw (10), the ball-screw is installed inside the nut set (9)
(10) upper end is arranged with connect cylinder (11), and the nut set (9), the ball-screw (10) and the connect cylinder (11) connect into one
Body；Connect cylinder (11) upper end is connected with drive sleeve (13), at the top of the drive sleeve (13) and for increasing output torque and band
Move the drive sleeve (13) rotate so that gear reduction unit (14) connection, when the nut set (9) rotation when, drive ball wire
Lead screw in thick stick (10) moves up and down, and the lead screw lower part is connected with the upper valve rod (6), drives the upper valve rod (6) and institute
Valve plate (4) up and down motion is stated, realizes unlatching and closing for valve.
2. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the ball wire
Thick stick (10) is connect by flange with the nut set (9).
3. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the nut set
(9) it is connect by bolt with the connect cylinder (11).
4. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the connect cylinder
(11) upper end is connect by the first pin with the drive sleeve (13).
5. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the ball wire
Thick stick (10) bottom opening, ball-screw (10) bottom and the upper valve rod (6) top pass through the second pin connection.
6. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the bearing pressure
It is provided on cap (8) bracket (12), the bracket (12) covers on the outside of the connect cylinder (11) Yu the drive sleeve (13).
7. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the gear subtracts
Fast device (14) is equipped with rotatable handwheel.
8. pressure break gate valve of the super-pressure heavy caliber as claimed in claim 6 with effort-saving mechanism, which is characterized in that the gear subtracts
Fast device (14) is located on the bracket (12), and is connect by bolt with the bracket (12).
9. pressure break gate valve of the super-pressure heavy caliber as described in claim 1 with effort-saving mechanism, which is characterized in that the bearing pressure
Cap (8) is located on the bonnet, (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060815.5U CN209293749U (en) | 2018-12-10 | 2018-12-10 | A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060815.5U CN209293749U (en) | 2018-12-10 | 2018-12-10 | A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293749U true CN209293749U (en) | 2019-08-23 |
Family
ID=67657938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822060815.5U Active CN209293749U (en) | 2018-12-10 | 2018-12-10 | A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356551A (en) * | 2018-12-10 | 2019-02-19 | 美钻深海能源科技研发（上海）有限公司 | A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism |
-
2018
- 2018-12-10 CN CN201822060815.5U patent/CN209293749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356551A (en) * | 2018-12-10 | 2019-02-19 | 美钻深海能源科技研发（上海）有限公司 | A kind of pressure break gate valve of the super-pressure heavy caliber with effort-saving mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230530 Granted publication date: 20190823 |
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| PP01 | Preservation of patent right |