CN211841737U - Well head valve spanner - Google Patents
Well head valve spanner Download PDFInfo
- Publication number
- CN211841737U CN211841737U CN202020102810.9U CN202020102810U CN211841737U CN 211841737 U CN211841737 U CN 211841737U CN 202020102810 U CN202020102810 U CN 202020102810U CN 211841737 U CN211841737 U CN 211841737U
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- wheel
- cover plates
- ratchet wheel
- pawl
- wellhead valve
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- 241000242541 Trematoda Species 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000935974 Paralichthys dentatus Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
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Abstract
The utility model provides a well head valve spanner, it includes drive assembly and joint subassembly, wherein: the driving assembly comprises a ratchet wheel and an outer wheel sleeved outside the ratchet wheel, a plurality of grooves are uniformly distributed on the inner surface of the outer wheel along the circumferential direction, a pawl shaft is connected in each groove, a pawl and a torsion spring are sleeved on the pawl shaft, the first end of the torsion spring is connected with the grooves, the second end of the torsion spring is connected with the pawl, and the pawl is meshed with the ratchet wheel under the action of the torsion spring; the clamping assembly comprises cover plates which are arranged on two sides of the ratchet wheel in a covering mode, the two cover plates are connected with the ratchet wheel, and clamping pieces which can be clamped with a hand wheel of the wellhead valve are arranged on the surfaces, back to back, of the two cover plates. The utility model discloses a well head valve spanner utilizes the ratchet unidirectional rotation principle, realizes opening or closing the operation of well head valve, need not to relapse the hand wheel of interlock well head valve for switching valve's speed, thereby alleviateed staff's intensity of labour.
Description
Technical Field
The utility model relates to an oil work engineering technical field, in particular to well head valve spanner.
Background
At present, on-site operators of well head valves often use pipe tongs to bite the edge of a valve hand wheel and then push and pull a handle of the pipe tongs to open and close the valve, but the opening and closing method of the valve is slow in speed and long in time, the hand wheel is easy to break particularly in low temperature in winter, and the operators are easy to be injured in places where the work is not wide.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve the well head valve spanner of switch valve speed.
In order to achieve the above object, the utility model provides a well head valve spanner, it includes:
the driving assembly comprises a ratchet wheel and an outer wheel sleeved outside the ratchet wheel, a plurality of grooves are uniformly distributed on the inner surface of the outer wheel along the circumferential direction, a pawl shaft is connected in each groove, a pawl and a torsion spring are sleeved on the pawl shaft, the first end of the torsion spring is connected with the grooves, the second end of the torsion spring is connected with the pawl, and the pawl is meshed with the ratchet wheel under the action of the torsion spring;
the clamping assembly comprises cover plates and clamping pieces, wherein the cover plates are arranged on two sides of the ratchet wheel in a covering mode, the cover plates are connected with the ratchet wheel, and the clamping pieces capable of being clamped with a hand wheel of the wellhead valve are arranged on the surfaces, back to back, of the cover plates.
The wellhead valve wrench as described above, wherein the two cover plates are connected to the ratchet wheel by keys respectively.
The wellhead valve wrench as described above, wherein the two cover plates are connected by a connecting pin.
The wellhead valve wrench as described above, wherein the two cover plates are welded to the ratchet.
The wellhead valve wrench as described above, wherein the two cover plates are respectively connected with the ratchet wheel through bolts.
The wellhead valve wrench as described above, wherein a handle is connected to an outer circumferential surface of the outer wheel.
The wellhead valve wrench as described above, wherein the handle is welded to the outer wheel.
The wellhead valve wrench as described above, wherein the handle is provided with an external thread, the outer peripheral surface of the outer wheel is provided with a threaded hole, and the handle is connected with the outer wheel through the threaded fit of the external thread and the threaded hole.
The wellhead valve wrench as described above, wherein the clamping member comprises two flukes arranged at an interval.
The wellhead valve wrench comprises a cover plate, wherein the cover plate is circular, the outer diameter of the cover plate is larger than that of the outer wheel, and a plurality of clamping pieces are arranged on the cover plate at intervals along the circumferential direction.
Compared with the prior art, the utility model has the advantages as follows:
the wellhead valve wrench of the utility model can realize the operation of opening or closing the wellhead valve by repeatedly rotating the outer wheel in a certain range by utilizing the ratchet wheel unidirectional rotation principle, and the opening or closing speed of the wellhead valve is accelerated without repeatedly occluding the hand wheel of the wellhead valve, thereby lightening the dynamic strength of workers;
the utility model discloses a well head valve spanner is through connecting the handle on the foreign steamer for drive foreign steamer pivoted easy operation is convenient, labour saving and time saving.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic sectional view of a wellhead valve wrench according to the present invention;
FIG. 2 is a schematic illustration of the drive assembly of the wellhead valve wrench of FIG. 1;
fig. 3 is a schematic view showing a coupling structure of a pawl shaft, a pawl and a torsion spring in the ball drive assembly shown in fig. 2.
The reference numbers illustrate:
100. a drive assembly;
110. a ratchet wheel;
120. an outer wheel; 121. a groove;
130. a handle;
140. a pawl shaft;
150. a pawl;
160. a torsion spring;
200. a clamping assembly;
210. a cover plate; 211. connecting pins;
220. a clamping piece; 221. and (4) an anchor fluke.
Detailed Description
In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings. Where the adjective or adverbial modifiers "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the present invention provides a wellhead valve wrench, which includes a driving assembly 100 and a clamping assembly 200, wherein:
as shown in fig. 2, the driving assembly 100 includes a ratchet 110 and an outer wheel 120 sleeved outside the ratchet 110, the specific structure of the ratchet 110 is the prior art, and will not be described herein again, a plurality of grooves 121 are uniformly distributed along the circumferential direction on the inner surface of the outer wheel 120, specifically, the number of the grooves 121 is less than or equal to the number of teeth of the ratchet 110, preferably, the number of the grooves 121 is equal to the number of teeth of the ratchet 110, a pawl shaft 140 is respectively connected in each groove 121, that is, a pawl shaft 140 is connected in each groove 121, a pawl 150 and a torsion spring 160 are sleeved on the pawl shaft 140, the pawl 150 can rotate around the pawl shaft 140, as shown in fig. 2 and 3, a first end of the torsion spring 160 is connected to the groove 121, a second end of the torsion spring 160 is connected to the pawl 150, the pawl 150 is engaged with the ratchet 110 under the action of the torsion spring 160, that is, the rotation range of the pawl 150 is limited by the torsion spring 160, so that the pawl 150, specifically, when the outer wheel 120 rotates clockwise, the pawl 150 drives the ratchet wheel 110 to rotate clockwise under the action of the torsion spring 160, and when the outer wheel 120 rotates counterclockwise, the pawl 150 moves along the teeth of the ratchet wheel 110 and cannot drive the ratchet wheel 110 to rotate, so that the outer wheel 120 can only drive the ratchet wheel 110 to rotate in one direction;
as shown in fig. 1, the clamping assembly 200 includes cover plates 210 covering both sides of the ratchet 110, both cover plates 210 are connected to the ratchet 110, that is, both cover plates 210 can rotate synchronously with the ratchet 110, and the surfaces of the cover plates 210 opposite to each other are provided with clamping members 220 capable of clamping with a hand wheel of the wellhead valve, and the clamping members 220 can be tightly fitted with the hand wheel of the wellhead valve, so that the cover plates 210 rotate while driving the hand wheel of the wellhead valve to rotate synchronously, thereby realizing the opening or closing of the wellhead valve.
When using, as shown in fig. 1, make the hand wheel of joint spare 220 chucking well head valve, staff's drive foreign steamer 120 rotates repeatedly at the certain limit, when foreign steamer 120 clockwise turning, can make pawl 150 drive ratchet 110 rotate, ratchet 110 drives the synchronous rotation of apron 210, joint spare 220 of apron 210 drives the hand wheel synchronous rotation of well head valve, in order to open or closed well head valve, when foreign steamer 120 anticlockwise rotation, pawl 150 can not drive ratchet 110 and rotates, make the reseing that foreign steamer 120 can relax, need not to interlock the hand wheel of well head valve repeatedly, thereby the speed that drive well head valve opened or closed has been improved.
The utility model discloses a well head valve spanner utilizes ratchet 110 unidirectional rotation principle, through rotating foreign steamer 120 repeatedly in the certain limit, can realize opening or close the operation of well head valve, need not the hand wheel of interlock well head valve repeatedly for the speed of opening or closing of well head valve, thereby alleviateed staff's dynamic strength.
Further, two apron 210 meet through the connection key respectively with ratchet 110, and the key-type connection is prior art, and no longer gives unnecessary details here, and the mode of key-type connection is simple and convenient, is convenient for the equipment and the dismantlement between apron 210 and ratchet 110.
Furthermore, the two cover plates 210 are connected by the connecting pin 211, so that the two cover plates 210 can firmly clamp the ratchet 110, and the ratchet 110 can smoothly drive the two cover plates 210 to synchronously rotate.
Or the two cover plates 210 are welded with the ratchet wheel 110, and the welding connection mode is simple and reliable, so that the reliability of connection between the ratchet wheel 110 and the cover plates 210 is effectively ensured.
Or, the two cover plates 210 are respectively connected with the ratchet 110 through bolts, and the bolts are simple and convenient to connect, so that the cover plates 210 and the ratchet 110 can be assembled and disassembled conveniently.
Further, a handle 130 is connected to the outer circumferential surface of the outer wheel 120, and a worker can hold the handle 130 to drive the outer wheel 120 to rotate, so that the operation of driving the outer wheel 120 to rotate is simple and convenient.
Still further, handle 130 and foreign wheel 120 welded connection, the mode of welded connection is simple reliable, has effectively guaranteed the reliability of being connected between handle 130 and the foreign wheel 120.
Or, handle 130 is equipped with the external screw thread, and the outer peripheral face of foreign steamer 120 is equipped with the screw hole, and through the screw-thread fit of external screw thread and screw hole, handle 130 meets with foreign steamer 120, and the concrete structure of screw hole and external screw thread is prior art, no longer gives unnecessary details here, and threaded connection's mode is simple and convenient, and the dismouting of the handle 130 of being convenient for.
In a specific embodiment of the present invention, the joint member 220 includes two anchor flukes 221 arranged at intervals, the specific structure of the anchor flukes 221 is prior art, and no detailed description is given here, and the hand wheel of the clamping port valve that two anchor flukes 221 can be closed, so that the cover plate 210 can drive the hand wheel to rotate synchronously, thereby realizing the opening or closing of the wellhead valve.
Of course, the clip 220 may also include three or more than three anchor claws 221 arranged at intervals, and the intervals between two adjacent anchor claws 221 are different, so as to be suitable for handwheels with different sizes.
Or, the clamping piece 220 is a clamp capable of clamping a hand wheel, and when the hand wheel clamping device is used, the hand wheel is clamped by the clamp and is driven to rotate by the clamp.
Further, apron 210 is circular, and the external diameter of apron 210 is greater than the external diameter of foreign steamer 120 to make apron 210 can play the guard action to drive assembly 100, handle 130 extends to the outside of apron 210, so that the staff grips, apron 210 is equipped with a plurality of spaced joint spare 220 along circumference, the preferred, the circumference equipartition of apron 210 is followed to a plurality of joint spare 220, stability and the reliability of the hand wheel of the centre gripping mouth valve of joint spare 220 centre gripping are improved.
The utility model provides a well head valve spanner's use is specifically explained below in combination with the attached drawing:
as shown in fig. 1, when in use, the two anchor claws 221 of each clamping member 220 tightly clamp the hand wheel of the wellhead valve, a worker holds the handle 130 and repeatedly moves the handle 130 within a certain range, the repeated movement of the handle 130 can drive the outer wheel 120 to repeatedly rotate within a certain range, when the outer wheel 120 rotates clockwise, the pawl 150 can drive the ratchet wheel 110 to rotate, the ratchet wheel 110 drives the cover plate 210 to synchronously rotate, the clamping member 220 of the cover plate 210 drives the hand wheel of the wellhead valve to synchronously rotate, when the outer wheel 120 rotates counterclockwise, the pawl 150 cannot drive the ratchet wheel 110 to rotate, so that the outer wheel 120 can easily reset without repeatedly engaging the hand wheel of the wellhead valve, when the outer wheel 120 rotates clockwise again, the outer wheel 120 can drive the hand wheel to synchronously rotate again, and the handle 130 is stopped to move until the wellhead valve is opened or closed.
To sum up, the wellhead valve wrench of the utility model can realize the operation of opening or closing the wellhead valve by repeatedly rotating the outer wheel within a certain range by utilizing the ratchet wheel unidirectional rotation principle without repeatedly occluding the hand wheel of the wellhead valve, thereby accelerating the opening or closing speed of the wellhead valve and reducing the dynamic strength of workers;
the utility model discloses a well head valve spanner is through connecting the handle on the foreign steamer for drive foreign steamer pivoted easy operation is convenient, labour saving and time saving.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.
Claims (10)
1. A wellhead valve wrench, comprising:
the driving assembly comprises a ratchet wheel and an outer wheel sleeved outside the ratchet wheel, a plurality of grooves are uniformly distributed on the inner surface of the outer wheel along the circumferential direction, a pawl shaft is connected in each groove, a pawl and a torsion spring are sleeved on the pawl shaft, the first end of the torsion spring is connected with the grooves, the second end of the torsion spring is connected with the pawl, and the pawl is meshed with the ratchet wheel under the action of the torsion spring;
the clamping assembly comprises cover plates and clamping pieces, wherein the cover plates are arranged on two sides of the ratchet wheel in a covering mode, the cover plates are connected with the ratchet wheel, and the clamping pieces capable of being clamped with a hand wheel of the wellhead valve are arranged on the surfaces, back to back, of the cover plates.
2. The wellhead valve wrench of claim 1,
the two cover plates are respectively connected with the ratchet wheel through keys.
3. A wellhead valve wrench as claimed in claim 2,
the two cover plates are connected through a connecting pin.
4. The wellhead valve wrench of claim 1,
the two cover plates are connected with the ratchet wheel in a welding mode.
5. The wellhead valve wrench of claim 1,
the two cover plates are respectively connected with the ratchet wheel through bolts.
6. The wellhead valve wrench of claim 1,
the outer peripheral surface of the outer wheel is connected with a handle.
7. The wellhead valve wrench of claim 6,
the handle is connected with the outer wheel in a welding mode.
8. The wellhead valve wrench of claim 6,
the handle is provided with external threads, the peripheral face of foreign steamer is equipped with the screw hole, through the external threads with the screw-thread fit of screw hole, the handle with the foreign steamer meets.
9. The wellhead valve wrench according to any one of claims 1 to 8,
the clamping piece comprises two anchor flukes arranged at intervals.
10. A wellhead valve wrench as claimed in claim 9,
the apron is circular, just the external diameter of apron is greater than the external diameter of foreign steamer, the apron is equipped with a plurality of spaced joint spare along circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102810.9U CN211841737U (en) | 2020-01-17 | 2020-01-17 | Well head valve spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102810.9U CN211841737U (en) | 2020-01-17 | 2020-01-17 | Well head valve spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211841737U true CN211841737U (en) | 2020-11-03 |
Family
ID=73233109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020102810.9U Active CN211841737U (en) | 2020-01-17 | 2020-01-17 | Well head valve spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211841737U (en) |
-
2020
- 2020-01-17 CN CN202020102810.9U patent/CN211841737U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |