CN109812242A - A kind of theftproof collar clamp for oil production wellhead - Google Patents
A kind of theftproof collar clamp for oil production wellhead Download PDFInfo
- Publication number
- CN109812242A CN109812242A CN201910146874.0A CN201910146874A CN109812242A CN 109812242 A CN109812242 A CN 109812242A CN 201910146874 A CN201910146874 A CN 201910146874A CN 109812242 A CN109812242 A CN 109812242A
- Authority
- CN
- China
- Prior art keywords
- clip
- hole
- halfbody
- clip halfbody
- stud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of theftproof collar clamp for oil production wellhead, including the first clip halfbody, second clip halfbody, first clip halfbody is equipped with the first screw hole, second clip halfbody is equipped with the second screw hole, stud is equipped in first screw hole and the second screw hole, it further include head protector, fixing piece, closing piece, compression leg, unlocking key, the both ends of the stud are respectively equipped with the first nut, second nut, first nut is connect with the first clip halfbody, second nut is connect with the second clip halfbody, the connection end of first clip halfbody and the second clip halfbody is equipped with head protector, the inside of the first clip halfbody is equipped with closing piece, the closing piece and Stud connection, the inside of the second clip halfbody is equipped with fixing piece, the fixing piece and Stud connection, the unlocking key includes key body for opening closing piece and for opening fixation The mandril of part solves the problems, such as that current oil country tubular good front band is easily opened.
Description
Technical field
The present invention relates to oil extraction well mouth equipment technical field, specially a kind of theftproof collar clamp for oil production wellhead.
Background technique
Connection between valve, threeway, polished rod Mu Fengqi, resistance oil nozzle sleeve on oil water well production tree etc. is connected using clip
It connects, therefore, clip is essential attachment device on oil water well production tree.General tool is easy to after current clip installation
It can disassemble, theft one's share of expenses for a joint undertaking is easy to theft crude oil and wellhead equipment, and above-mentioned behavior in order to prevent sometimes can be by clip
On bolts and nuts weld together, although playing anti-theft function, be detrimental to subsequent disassembly, remove time-consuming
Arduously.
Summary of the invention
The present invention provides a kind of theftproof collar clamp for oil production wellhead, first aiming at deficiencies of the prior art
Clip ontology is interior to be equipped with closing piece, is equipped with fixing piece in vivo in the second clip half, self-locking to stud progress by closing piece and fixing piece,
Clip can not be opened removing the first nut from stud with the second nut, solve current oil country tubular good front band
The problem of being easily opened improves the safety that clip uses, prevents criminal from stealing petroleum, avoid the stream of national resources
It loses.
To achieve the above object, invention provides the following technical solutions:
A kind of theftproof collar clamp for oil production wellhead, including the first clip halfbody, the second clip halfbody, the first clip halfbody are equipped with first
Screw hole, the second clip halfbody are equipped with the second screw hole, are equipped with stud in the first screw hole and the second screw hole, further include head protector, solid
Determine part, closing piece, compression leg, unlocking key, the both ends of the stud are respectively equipped with the first nut, the second nut, first nut
It is connect with the first clip halfbody, second nut is connect with the second clip halfbody, the first clip halfbody and the second clip halfbody
Connection end be equipped with head protector, the inside of the first clip halfbody is equipped with closing piece, the closing piece and Stud connection, described the
The inside of two clip halfbodies is equipped with fixing piece, the fixing piece and Stud connection, and the unlocking key includes for opening closing piece
Key body and mandril for opening fixing piece.
Preferably, the upper end of the first clip halfbody is equipped with the first link slot, and the upper end of the second clip halfbody is set
There is the second link slot, first link slot is correspondingly arranged with the second link slot, and the head protector is equipped with anticreep hole, described anti-
De- hole is equipped with anticreep column, and the anticreep column cooperates with the first link slot, the second link slot respectively, and the upper end in anticreep hole is equipped with sealing
Plug.
Preferably, the upper surface of the head protector is obliquely installed.
Preferably, tread plate is equipped on the inner wall of the first clip plate body and the second clip halfbody.
Preferably, the end of the first clip halfbody is equipped with the first open hole, first open hole and the first screw hole
Connection, the closing piece include opening block, lock pillar, and the side wall of the lock pillar is equipped with block, and the stud is equipped with fixing groove, institute
It states block and fixing groove cooperates, one end of the lock pillar is equipped with set axis, and the set axis is connect with the lower rotation of the first open hole,
It covers axis and is equipped with torsional spring, the other end of lock pillar is equipped with butt hole, and the side opened block and be set to lock pillar, the one end for opening block is set
There is jack, be equipped with turn trough in the jack, the other end for opening block is equipped with connecting column, and the connecting column and butt hole cooperate, institute
Connecting column is stated equipped with second spring, one end of the second spring is connect with the inner wall of the first open hole, second spring it is another
One end is connect with block is opened.
Preferably, the upper inner wall of first open hole is equipped with indent, is equipped with compression leg in the indent, on the compression leg
Equipped with baffle ring, third spring is equipped between the baffle ring and the bottom of indent, the lower end of the compression leg is pressed on the upper surface of block.
Preferably, the end of the second clip halfbody is equipped with the second open hole, the bottom top of second open hole
Equipped with pressing plate groove, the pressing plate groove is connected to the second screw hole, and the fixing piece includes opening column, fixed plate, the unlatching column
One end is connect with fixed plate, and the unlatching column and the second open hole cooperate, and the fixed plate is set in pressing plate groove, and the one of fixed plate
Side is equipped with fixed column, and the stud is equipped with fixation hole, and the fixed column and fixation hole cooperate, fixed plate far from fixed column one
Side is equipped with the first spring.
Preferably, one end of the key body is equipped with turning handle, and the side wall of key body is equipped with bar, the key sheet
Body and jack cooperate, and the bar and turn trough cooperate, and the mandril and the second open hole cooperate.
Preferably, it is connected between the turning handle and mandril by connecting rod, connects outside and and mandril of the rod set in mandril
It is slidably connected, one end of the mandril is equipped with stop collar, and the other end of mandril is equipped with jacking block.
Compared with prior art, advantageous effect of the invention is:
1, the present invention is equipped with fixing piece in the second clip half, by closing piece and admittedly equipped with closing piece in the first clip ontology in vivo
It is self-locking to stud progress to determine part, clip can not be opened, be solved removing the first nut from stud with the second nut
The problem of current oil country tubular good front band is easily opened, improves the safety that clip uses, prevents criminal from stealing stone
Oil avoids the loss of national resources.
2, head protector of the invention can protect the junction of clip, prevent the erosion of rainwater, avoid internal lock
Block gets rusty with fixing piece, guarantees the reliability that clip uses, improves service life, convenient for the dismounting in later period.
3, the present invention is equipped with tread plate on the inner wall of the first clip plate body and the second clip halfbody, can increase connection
Fastness, while tread plate can prevent scratch petroleum pipeline, avoid damage to.
4, closing piece of the invention includes opening block, lock pillar, only will open block by unlocking key and connect and turn with lock pillar
It is dynamic to release restriction of the block to stud, the duplicate protection of unlocking is realized, makes use safer and more reliable, improves peace
Congruent grade.
5, the present invention is equipped with compression leg in indent, and third spring, the lower end of compression leg are equipped between baffle ring and the bottom of indent
It is pressed on the upper surface of block, by the elastic force of third spring, is fixed compression leg firmly block, improves block lock
The fastness of conjunction avoids the problem that torsional spring is used for a long time failure and brings, allows using relatively reliable.
6, stud of the invention is equipped with fixation hole, and fixed column and fixation hole cooperate, side of the fixed plate far from fixed column
Equipped with the first spring, the fixation to stud is realized automatically under the action of the first spring, it is easy to use, increase Stud connection
Security performance.
7, it is connected between turning handle and mandril of the invention by connecting rod, avoids losing, easy to use, connection rod set is being pushed up
It the outside of bar and is slidably connected with mandril, one end of the mandril is equipped with stop collar, and the other end of mandril is equipped with jacking block, prevents from pushing up
Bar falls off from connecting rod, while increasing the convenience that mandril uses, easy to use convenient for pressing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram after removing head protector；
Fig. 3 is partial cross-sectional view of the invention；
Fig. 4, which is that the part of the first clip halfbody is perpendicular, cuts open figure；
Fig. 5, which is that the part of the second clip halfbody is perpendicular, cuts open figure；
Fig. 6 is the cross-sectional view of head protector；
Fig. 7 is the structural schematic diagram of unlocking key；
Fig. 8 is the structural schematic diagram of lock pillar；
Fig. 9 is the structural schematic diagram of fixing piece；
Figure 10 is the structural schematic diagram of stud.
In figure: 1- head protector；101- sealing-plug；102- anticreep hole；2- the first clip halfbody；The first link slot of 201- 202-
First open hole；203- indent；3- the second clip halfbody；The first link slot of 301-；The second open hole of 302-；303- pressing plate groove；
4- tread plate；5- stud；The first nut of 501-；The second nut of 502-；503- fixing groove；504- fixation hole；6- fixing piece；601-
Open column；602- fixed plate；603- fixed column；604 first springs；7- closing piece；701- opens block；702- turn trough；703- jack；
704- connecting column；705- second spring；706- torsional spring；707- butt hole；708- block；709- covers axis；710- lock pillar；8- pressure
Column；801- third spring；802- baffle ring；9- unlocking key；901- turning handle；902- connecting rod；903- stop collar；904- mandril；
905- jacking block；906- key body；907- bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As Figure 1-10 shows, a kind of theftproof collar clamp for oil production wellhead, including the first clip halfbody 2, the second clip halfbody 3, the
One clip halfbody 2 is equipped with the first screw hole, and the second clip halfbody 3 is equipped with the second screw hole, sets in the first screw hole and the second screw hole
There is stud 5, further include head protector 1, fixing piece 6, closing piece 7, compression leg 8, unlocking key 9, the both ends of the stud 5 are respectively equipped with
One nut 501, the second nut 502, first nut 501 are connect with the first clip halfbody 2, second nut 502 and
The connection end of the connection of two clip halfbodies 3, the first clip halfbody 2 and the second clip halfbody 3 is equipped with head protector 1, first card
The inside for binding round halfbody 2 is equipped with closing piece 7, and the closing piece 7 is connect with stud 5, and the inside of the second clip halfbody 3 is equipped with fixing piece
6, the fixing piece 6 is connect with stud 5, and the unlocking key 9 includes key body 906 for opening closing piece 7 and is used for
Open the mandril 904 of fixing piece 6.
The upper end of the first clip halfbody 2 is equipped with the first link slot 201, and the upper end of the second clip halfbody 3 is equipped with second
Link slot 301, first link slot 201 are correspondingly arranged with the second link slot 301, and the head protector 1 is equipped with anticreep hole
102, the anticreep hole 102 is equipped with anticreep column, and the anticreep column cooperates with the first link slot 201, the second link slot 301 respectively,
The upper end in anticreep hole 102 is equipped with sealing-plug 101.
The upper surface of the head protector 1 is obliquely installed, and head protector 1 prevents the erosion of rainwater, avoids internal closing piece and fixation
Part gets rusty, and guarantees the reliability that clip uses, improves service life, convenient for the dismounting in later period.
It is equipped with tread plate 4 on the inner wall of the first clip plate body 2 and the second clip halfbody 3, connection can be increased
Fastness, while tread plate can prevent from scratching petroleum pipeline, avoid damage to.
The end of the first clip halfbody 2 is equipped with the first open hole 202, first open hole 202 and the first screw hole
Connection, the closing piece 7 include opening block 701, lock pillar 710, and the side wall of the lock pillar 710 is equipped with block 708, the stud 5
It is equipped with fixing groove 503, the block 708 cooperates with fixing groove 503, and one end of the lock pillar 710 is equipped with set axis 709, described
Set axis 709 is connect with the lower rotation of the first open hole 202, and set axis 709 is equipped with torsional spring 706, and the other end of lock pillar 710 is equipped with
Butt hole 707, the side opened block 701 and be set to lock pillar 710, the one end for opening block 701 is equipped with jack 703, the jack
Turn trough 702 is equipped in 703, the other end for opening block 701 is equipped with connecting column 704, and the connecting column 704 cooperates with butt hole 707,
The connecting column 704 is equipped with second spring 705, the inner wall company of one end of the second spring 705 and the first open hole 202
It connects, the other end of second spring 705 is connect with block 701 is opened.Block only will be opened by unlocking key to connect and turn with lock pillar
It is dynamic to release restriction of the block to stud, the duplicate protection of unlocking is realized, makes use safer and more reliable, improves peace
Congruent grade
The upper inner wall of first open hole 202 is equipped with indent 203, is equipped with compression leg 8 in the indent 203, on the compression leg 8
Equipped with baffle ring 802, third spring 801 is equipped between the baffle ring 802 and the bottom of indent 203, the lower end of the compression leg 8 is pressed on
The upper surface of block 708 is fixed compression leg firmly block by the elastic force of third spring, improves block lock
The fastness of conjunction avoids the problem that torsional spring is used for a long time failure and brings, allows using relatively reliable.
The end of the second clip halfbody 3 is equipped with the second open hole 302, the bottom top of second open hole 302
Equipped with pressing plate groove 303, the pressing plate groove 303 is connected to the second screw hole, and the fixing piece 6 includes opening column 601, fixed plate 602,
Described one end for opening column 601 is connect with fixed plate, and the unlatching column 601 and the second open hole 302 cooperate, the fixed plate
602 are set in pressing plate groove 303, and the side of fixed plate 602 is equipped with fixed column 603, and the stud 5 is equipped with fixation hole 504, described
Fixed column 603 and fixation hole 504 cooperate, and fixed plate 602 is equipped with the first spring 604 far from the side of fixed column 603, in the first bullet
Automatically the fixation to stud is realized under the action of spring, it is easy to use, increase the security performance of Stud connection.
One end of the key body 906 is equipped with turning handle 901, and the side wall of key body 906 is equipped with bar 907, described
Key body 906 and jack 703 cooperate, and the bar 907 cooperates with turn trough 702, the mandril 904 and the second open hole 302
Cooperation.
It is connected between the turning handle 901 and mandril 904 by connecting rod 902,902 sets of the connecting rod outsides in mandril 904
And be slidably connected with mandril 904, one end of the mandril 904 is equipped with stop collar 903, and the other end of mandril is equipped with jacking block 905, keeps away
Exempt to lose, it is easy to use, it prevents mandril from falling off from connecting rod, while increasing the convenience that mandril uses, convenient for pressing, uses
It is convenient.
In use, the first clip ontology 2 is connect with the second clip ontology 3 by stud 5, block 708 is matched with fixation hole 504
It closes, fixed column 603 and fixation hole 504 cooperate, and the lock to stud 5 and fixation are realized, then by 1 set of the head protector end in clip
When unlatching, the first nut 501 and the second nut 502 are backed out for portion, and key body 906 is inserted into jack 703, bar 907 with
Turn trough 702 cooperates, and presses key body 906, connect connecting column 704 with butt hole 707 and rotate turning handle 901, pass through simultaneously
Mandril 904 will open 601 top pillar of column, can take out stud 5, so that clip be opened.The present invention is in the first clip ontology
Equipped with closing piece, it is equipped with fixing piece in vivo in the second clip half, it is self-locking to stud progress by closing piece and fixing piece, even if by first
Nut is removed from stud with the second nut and can not also be opened clip, solves what current oil country tubular good front band was easily opened
Problem improves the safety that clip uses, prevents criminal from stealing petroleum, avoids the loss of national resources.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of theftproof collar clamp for oil production wellhead, including the first clip halfbody (2), the second clip halfbody (3), the first clip halfbody
(2) it is equipped with the first screw hole, the second clip halfbody (3) is equipped with the second screw hole, is equipped with stud in the first screw hole and the second screw hole
(5), it is characterised in that: further include head protector (1), fixing piece (6), closing piece (7), compression leg (8), unlocking key (9), the stud
(5) both ends are respectively equipped with the first nut (501), the second nut (502), first nut (501) and the first clip halfbody
(2) it connects, second nut (502) connect with the second clip halfbody (3), the first clip halfbody (2) and the second clip halfbody
(3) connection end is equipped with head protector (1), and the inside of the first clip halfbody (2) is equipped with closing piece (7), the closing piece (7) with
The inside of stud (5) connection, the second clip halfbody (3) is equipped with fixing piece (6), and the fixing piece (6) and stud (5) are even
It connects, the unlocking key (9) includes the top for opening the key body of closing piece (7) (906) and for opening fixing piece (6)
Bar (904).
2. a kind of theftproof collar clamp for oil production wellhead as described in claim 1, it is characterised in that: the first clip halfbody (2)
Upper end is equipped with the first link slot (201), and the upper end of the second clip halfbody (3) is equipped with the second link slot (301), and described first
Link slot (201) is correspondingly arranged with the second link slot (301), and the head protector 1 is equipped with anticreep hole (102), the anticreep hole
(102) it is equipped with anticreep column, the anticreep column cooperates with the first link slot (201), the second link slot (301) respectively, anticreep hole
(102) upper end is equipped with sealing-plug (101).
3. a kind of theftproof collar clamp for oil production wellhead as claimed in claim 2, it is characterised in that: the upper surface of the head protector (1)
It is obliquely installed.
4. a kind of theftproof collar clamp for oil production wellhead as described in claim 1, it is characterised in that: the first clip plate body (2) with
Tread plate (4) are equipped on the inner wall of second clip halfbody (3).
5. a kind of theftproof collar clamp for oil production wellhead as described in claim 1, it is characterised in that: the first clip halfbody (2)
End is equipped with the first open hole (202), and first open hole (202) is connected to the first screw hole, and the closing piece (7) includes opening
The side wall of block (701), lock pillar (710), the lock pillar (710) is equipped with block (708), and the stud (5) is equipped with fixing groove
(503), the block (708) and fixing groove (503) cooperate, and one end of the lock pillar (710) is equipped with set axis (709), the set
Axis (709) is connect with the lower rotation of the first open hole (202), set axis (709) be equipped with torsional spring (706), lock pillar (710) it is another
One end is equipped with butt hole (707), and the side opened block (701) and be set to lock pillar (710), the one end for opening block (701) is equipped with
Jack (703), the jack (703) is interior to be equipped with turn trough (702), and the other end for opening block (701) is equipped with connecting column (704), institute
It states connecting column (704) and butt hole (707) to cooperate, the connecting column (704) is equipped with second spring (705), second bullet
One end of spring (705) is connect with the inner wall of the first open hole (202), and the other end of second spring (705) and unlatching block (701) are even
It connects.
6. a kind of theftproof collar clamp for oil production wellhead as claimed in claim 5, it is characterised in that: first open hole (202)
Upper inner wall be equipped with indent (203), be equipped with compression leg (8) in the indent (203), the compression leg (8) is equipped with baffle ring (802),
Third spring (801) are equipped between the baffle ring (802) and the bottom of indent (203), the lower end of the compression leg (8) is pressed on block
(708) upper surface.
7. a kind of theftproof collar clamp for oil production wellhead as claimed in claim 6, it is characterised in that: the second clip halfbody (3)
End is equipped with the second open hole (302), is equipped with pressing plate groove (303) above the bottom of second open hole (302), the pressing plate
Slot (303) is connected to the second screw hole, and the fixing piece (6) includes opening column (601), fixed plate (602), the unlatching column
(601) one end is connect with fixed plate, and the unlatching column (601) and the second open hole (302) cooperate, the fixed plate (602)
In pressing plate groove (303), the side of fixed plate (602) is equipped with fixed column (603), and the stud (5) is equipped with fixation hole
(504), the fixed column (603) and fixation hole (504) cooperate, and fixed plate (602) is equipped with the far from the side of fixed column (603)
One spring (604).
8. a kind of theftproof collar clamp for oil production wellhead as claimed in claim 7, it is characterised in that: the one of the key body (906)
End is equipped with turning handle (901), and the side wall of key body (906) is equipped with bar (907), the key body (906) and jack
(703) cooperate, the bar (907) and turn trough (702) cooperate, and the mandril (904) and the second open hole (302) cooperate.
9. a kind of theftproof collar clamp for oil production wellhead as claimed in claim 8, it is characterised in that: the turning handle (901) and mandril
(904) it is connected between by connecting rod (902), connecting rod (902) covers the outside in mandril (904) and slides with mandril (904)
One end of connection, the mandril (904) is equipped with stop collar (903), and the other end of mandril is equipped with jacking block (905).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146874.0A CN109812242B (en) | 2019-02-27 | 2019-02-27 | Oil recovery well head theftproof clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146874.0A CN109812242B (en) | 2019-02-27 | 2019-02-27 | Oil recovery well head theftproof clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109812242A true CN109812242A (en) | 2019-05-28 |
| CN109812242B CN109812242B (en) | 2021-03-26 |
Family
ID=66607801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910146874.0A Active CN109812242B (en) | 2019-02-27 | 2019-02-27 | Oil recovery well head theftproof clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109812242B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856493A (en) * | 2022-03-08 | 2022-08-05 | 江苏恒达机械制造有限公司 | Theftproof clamp device that oil recovery well head was used |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115381U (en) * | 1991-05-31 | 1992-09-09 | 邹宪阁 | Multifunction anti-theft lock |
| CN2202839Y (en) * | 1994-11-02 | 1995-07-05 | 张必龙 | Theft-proof hoop |
| CN2750038Y (en) * | 2004-05-16 | 2006-01-04 | 赵贵明 | Theft-proof collar clamp |
| CN201407006Y (en) * | 2009-04-22 | 2010-02-17 | 张春来 | Security clamping hoop for wellhead of oil well or water well |
| CN202144824U (en) * | 2011-07-16 | 2012-02-15 | 王宇超 | Anti-theft bolt |
| CN202791026U (en) * | 2012-09-13 | 2013-03-13 | 唐武 | Anti-theft hoop |
| KR101559084B1 (en) * | 2014-09-22 | 2015-10-12 | 이영찬 | Bushing for pressurizing bilaterally and clamp for connecting pipes comprising the bushing |
-
2019
- 2019-02-27 CN CN201910146874.0A patent/CN109812242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115381U (en) * | 1991-05-31 | 1992-09-09 | 邹宪阁 | Multifunction anti-theft lock |
| CN2202839Y (en) * | 1994-11-02 | 1995-07-05 | 张必龙 | Theft-proof hoop |
| CN2750038Y (en) * | 2004-05-16 | 2006-01-04 | 赵贵明 | Theft-proof collar clamp |
| CN201407006Y (en) * | 2009-04-22 | 2010-02-17 | 张春来 | Security clamping hoop for wellhead of oil well or water well |
| CN202144824U (en) * | 2011-07-16 | 2012-02-15 | 王宇超 | Anti-theft bolt |
| CN202791026U (en) * | 2012-09-13 | 2013-03-13 | 唐武 | Anti-theft hoop |
| KR101559084B1 (en) * | 2014-09-22 | 2015-10-12 | 이영찬 | Bushing for pressurizing bilaterally and clamp for connecting pipes comprising the bushing |
Non-Patent Citations (1)
| Title |
|---|
| 岳红利等: "油新型水井防盗卡箍的研制与应用 ", 《科技与企业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856493A (en) * | 2022-03-08 | 2022-08-05 | 江苏恒达机械制造有限公司 | Theftproof clamp device that oil recovery well head was used |
| CN114856493B (en) * | 2022-03-08 | 2024-09-13 | 山东京喜信息科技有限公司 | Antitheft clamping device for oil extraction wellhead |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109812242B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109812242A (en) | A kind of theftproof collar clamp for oil production wellhead | |
| MX2012013843A (en) | Machine-actuated and removable safety closure with anti-rotation and machine-released holder. | |
| CN101263332A (en) | Quick connect coupling | |
| CN201187650Y (en) | Fast connecting structure of pipe | |
| CN202914002U (en) | Ball suspension type core catcher coring drill | |
| CN100529259C (en) | Anti-theft rail clip on railroad | |
| CN201301683Y (en) | Tubing plug for preventing oil well or water well from blowout | |
| CN207112111U (en) | A kind of sewage disposal equipment fixing device for installing | |
| CN109458152B (en) | Oil well wellhead anti-theft device | |
| CN203308071U (en) | Structure capable of connecting footboard of scaffold with beam | |
| CN210859519U (en) | Anti-theft anti-loosening bolt assembly | |
| CN112228778B (en) | Blowout prevention and disassembly prevention pressure gauge valve | |
| CN103174345A (en) | Push-pull type door stopper | |
| CN208069452U (en) | A kind of charging gun of the new-energy automobile with anti-theft feature | |
| CN206174926U (en) | Well head protector and specialized tool | |
| CN203129787U (en) | Push-pull door stopper | |
| CN202806359U (en) | Anti-theft device for automobile fuel | |
| CN108487322B (en) | Sewer well lid is with preventing opening structure | |
| CN109854088A (en) | Anti-theft lock end and matched private key | |
| CN220621783U (en) | Lock block type blowout prevention disengaging device | |
| CN219452047U (en) | Multifunctional wellhead device | |
| CN2849136Y (en) | Antitheft well head cap capable of discharging oil gas and its special spanner | |
| CN104533899A (en) | Rigid connector of offshore buoyancy tank system | |
| CN205936481U (en) | Oil production wellport anti -theft device | |
| CN203640036U (en) | Sewer well lid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti theft clamp for oil production wellhead Effective date of registration: 20221109 Granted publication date: 20210326 Pledgee: Agricultural Bank of China Limited Binhai County sub branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980021400 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |