CN216406780U - Oil stealing prevention protection device for oil fishing wellhead - Google Patents

Oil stealing prevention protection device for oil fishing wellhead Download PDF

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Publication number
CN216406780U
CN216406780U CN202121351599.5U CN202121351599U CN216406780U CN 216406780 U CN216406780 U CN 216406780U CN 202121351599 U CN202121351599 U CN 202121351599U CN 216406780 U CN216406780 U CN 216406780U
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CN
China
Prior art keywords
oil
wellhead
tubular
protection device
theft
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Active
Application number
CN202121351599.5U
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Chinese (zh)
Inventor
景忠峰
南小东
文晓峰
李龙龙
南北杰
贾强
董传宾
王选涛
余明辉
张斌
张贇
李乃师
王祥己
史存胜
魏军
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Xi'an Qingyou Petrochemical Technology Equipment Co ltd
Xi'an Petroleum Chemical Technology Equipment Co ltd
Original Assignee
Xi'an Qingyou Petrochemical Technology Equipment Co ltd
Xi'an Petroleum Chemical Technology Equipment Co ltd
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Application filed by Xi'an Qingyou Petrochemical Technology Equipment Co ltd, Xi'an Petroleum Chemical Technology Equipment Co ltd filed Critical Xi'an Qingyou Petrochemical Technology Equipment Co ltd
Priority to CN202121351599.5U priority Critical patent/CN216406780U/en
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Publication of CN216406780U publication Critical patent/CN216406780U/en
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Abstract

The utility model discloses an oil stealing prevention protection device for an oil fishing wellhead, which comprises: the tubular cover body is formed by buckling and locking two vertical half-and-half-cut tubular structures; a connector disposed within the tubular shroud body; the anti-theft cover is arranged at the top of the tubular cover body; a locking mechanism assembled between the tubular cover body and the anti-theft cover. The oil stealing prevention protection device for the oil fishing wellhead solves the problem that the existing regular oil fishing well is easy to be stolen and damaged because no person is in charge.

Description

Oil stealing prevention protection device for oil fishing wellhead
Technical Field
The utility model belongs to the technical field of oil production well corollary equipment, and particularly relates to an oil stealing prevention protection device for an oil fishing wellhead.
Background
The oil field in Changqing has a large number of low-yield and low-efficiency oil wells, the low-yield and low-efficiency oil wells with limited reserves and limited energy supply have extremely low exploitation efficiency of a normal oil pumping machine, and a certain residual value can be utilized by changing the regular oil fishing production.
However, most of these regular oil wells are in remote areas, are unattended daily and are easily stolen or damaged. Therefore, a set of simple and practical wellhead protection cover which can prevent illegal mining and damage and simultaneously meet blowout prevention and oil fishing production needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil stealing prevention protection device for an oil fishing wellhead, which solves the problem that the existing regular oil fishing well is easy to be damaged by being stolen because no person is generally used for nursing.
In order to achieve the purpose, the utility model adopts the technical scheme that: an oil stealing prevention protection device for an oil fishing wellhead, comprising:
a tubular cover body;
a connector disposed within the tubular shroud body;
the anti-theft cover is arranged at the top of the tubular cover body;
a locking mechanism assembled between the tubular cover body and the anti-theft cover.
As a preferable technical scheme of the utility model, the tubular cover body is formed by buckling and locking two vertical half-split tubular structures.
As a preferred aspect of the present invention, the connector includes:
a first clamp disposed within the tubular housing;
a second collar disposed within the tubular housing and located below the first collar.
As a preferable technical solution of the present invention, a slide rail is disposed in the tubular cover, and the first clamp is slidably disposed on the slide rail.
As a preferred aspect of the present invention, the locking mechanism includes:
the seat body is arranged in the upper end of the tubular cover body;
the locking plates are arranged on the inner side of the anti-theft cover, and locking holes are formed in the locking plates;
the rotary table is rotatably arranged on the seat body;
one end of each lock rod is hinged to the rotary table, and the other end of each lock rod extends into the corresponding lock hole;
the wheel shaft of the first gear is arranged on the rotary disc;
the second gear is assembled on the base and meshed with the first gear, and a first conical shaft is arranged on a wheel shaft of the second gear;
the first sheath is arranged on the side part of the tubular cover body and is positioned on the outer side of one end of the first conical shaft.
As a preferable aspect of the present invention, the locking mechanism further includes:
the second sheath is arranged on the side part of the tubular cover body;
the reel is assembled on the base body, a steel wire is wound on the reel, a wheel shaft of the reel is provided with a second taper shaft, and the second taper shaft is positioned in the second sheath;
one end of the sliding plate is connected with the steel wire;
the baffle is arranged at one end of the first sheath, a sliding groove and a through hole which is communicated with the sliding groove by 90 degrees are formed in the baffle, and the sliding plate is placed in the sliding groove.
As a preferable technical solution of the present invention, the seat body is provided with a spring, and the spring is connected to the other end of the slide plate.
As a preferable technical scheme of the utility model, the number of the lock rods and the lock plates is three, and the lock rods and the lock plates are arranged at equal angles.
As a preferred technical scheme of the present invention, two sets of lock sleeves are disposed on the inner side of the tubular cover body, the two sets of lock sleeves are respectively located on the two tubular structures, and the two sets of lock sleeves are connected by a plurality of chains.
As a preferable technical scheme of the utility model, each group of lock sleeves is internally provided with a lock pin.
The utility model has the beneficial effects that: (1) according to the oil stealing prevention protection device for the oil fishing wellhead, the anti-theft cover and the tubular cover body can be locked, and can be opened only by a special key, so that daily protection can be performed on an oil production well; (2) according to the oil stealing prevention protection device for the oil fishing wellhead, the anti-theft cover can be opened during periodic oil extraction, the lock pin is drawn out, and the tubular cover body is detached; after the oil is fished, the tubular cover body is mounted, and the anti-theft cover is locked at the upper end of the tubular cover body, so that the crude oil is prevented from being stolen, and the normal operation of an oil well is not influenced while the oil is prevented from being stolen; (3) the oil stealing prevention protection device for the oil fishing wellhead has the advantages of simple integral structure, easiness in manufacturing, multiple locking, stability and reliability, and good market popularization and application prospects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of an oil stealing prevention protection device of an oil fishing wellhead of the utility model;
FIG. 2 is a schematic view of the installation of a locking mechanism in the oil well head anti-theft protection device of the present invention;
fig. 3 is a partial enlarged view of the oil stealing prevention protection device of the oil fishing wellhead.
In the figure: 1. the anti-theft device comprises a tubular cover body, 2 parts of a sliding rail, 3 parts of a second clamp, 4 parts of a first clamp, 5 parts of a first sheath, 6 parts of an anti-theft cover, 7 parts of a second sheath, 8 parts of a seat body, 9 parts of a lock sleeve, 10 parts of a lock pin, 11 parts of a lock plate, 12 parts of a reel, 13 parts of a second cone shaft, 14 parts of a steel wire, 15 parts of a baffle plate, 16 parts of a spring, 17 parts of a first cone shaft, 18 parts of a sliding plate, 19 parts of a lock rod, 20 parts of a rotary disc, 21 parts of a first gear and 22 parts of a second gear.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in fig. 1 to 3, the oil stealing prevention protection device for the oil fishing wellhead comprises a tubular cover body 1, a connecting piece, an anti-theft cover 6 and a locking mechanism. Wherein: the connecting piece is arranged in the tubular cover body 1; the anti-theft cover 6 is arranged at the top of the tubular cover body 1; the locking mechanism is assembled between the tubular cover body 1 and the anti-theft cover 6.
The wellhead casing of the oil fishing well is fixed in the tubular cover body 1 through a connecting piece. When the oil is not fished, the anti-theft cover 6 is fixed at the upper end of the tubular cover body 1 through a locking mechanism, the oil fishing wellhead is closed for protection, and crude oil is prevented from being stolen by a stealer. When oil is bailed, a worker opens the locking mechanism through a special key, unloads the anti-theft cover 6 from the upper end of the tubular cover body 1, draws out the lock pin 10, unloads the tubular cover body 1 from a wellhead casing pipe, and can carry out oil bailing operation after an oil bailing tool is installed on an oil bailing wellhead.
As shown in fig. 1, in the oil wellhead anti-theft protection device of the utility model, the tubular cover body 1 is formed by buckling and locking two vertical half-and-half cut tubular structures, so that the oil wellhead anti-theft protection device is convenient to mount and dismount the wellhead.
In a wellhead anti-theft protection device for oil fishing according to the present invention, as shown in fig. 1, the connector comprises a first yoke 4 and a second yoke 3. First clamp 4 and second clamp 3 all set up in the body 1 is covered to the tubulose, and second clamp 3 is located the below of first clamp 4, and first clamp 4 and second clamp 3 all cover at two tubular structure inboards, are used for the fixed of well head sleeve pipe on the one hand, and on the other hand can accomplish the fixed between two tubular structure.
As shown in fig. 1, in the oil stealing prevention protection device for the oil bailing wellhead, a sliding rail 2 is arranged in a tubular cover body 1, a first clamp 4 is slidably arranged on the sliding rail 2, and height adjustment is performed according to the length of the oil bailing wellhead casing, so that the wellhead casing can be stably fixed.
As shown in fig. 2, in the oil stealing prevention protection device for the oil fishing wellhead of the utility model, the locking mechanism comprises a base body 8, a plurality of locking plates 11, a rotating disc 20, a plurality of locking rods 19, a first gear 21, a second gear 22 and a first sheath 5. Wherein: the seat body 8 is arranged in the upper end of the tubular cover body 1; a plurality of locking plates 11 are arranged on the inner side of the anti-theft cover 6, and locking holes are formed in the locking plates 11; the rotating disc 20 is rotatably arranged on the seat body 8; one end of each lock rod 19 is hinged on the rotary table 20, and the other end of each lock rod extends into the corresponding lock hole; the axle of the first gear 21 is arranged on the turntable 20; the second gear 22 is assembled on the base, the second gear 22 is meshed with the first gear 21, and a first conical shaft 17 is arranged on a wheel shaft of the second gear 22; the first sheath 5 is arranged at the side of the tubular cover 1 and the first sheath 5 is located outside one end of the first conical shaft 17.
When the oil is not fished, the end parts of the lock rods 19 are respectively inserted into the corresponding lock holes of the lock plates 11, at the moment, the anti-theft cover 6 and the tubular cover body 1 are in a locking state, and a thief cannot open the anti-theft cover 6 to extract oil from the oil pipe. When fishing for oil, the staff inserts the key from first sheath 5, and the key tightly overlaps on first conical shaft 17, and first conical shaft 17 is twisted to the accessible key, and second gear 22 drives the carousel 20 through first gear 21 and moves this moment, and a plurality of locking levers 19 will deviate from the lockhole that corresponds after rotatory targetting in place, can take off theftproof cover 6 this moment, switch on oil pipe and carry out the oil recovery.
As shown in fig. 2, in the oil stealing prevention protection device for the oil fishing wellhead, the locking mechanism further comprises a second sheath 7, a reel 12, a sliding plate 18 and a baffle plate 15. Wherein: the second sheath 7 is arranged at the side part of the tubular cover body 1; a reel 12 is assembled on the seat body 8, a steel wire 14 is wound on the reel 12, a second taper shaft 13 is arranged on a wheel axle of the reel 12, and the second taper shaft 13 is positioned in the second sheath 7; one end of the sliding plate 18 is connected with the steel wire 14; the baffle 15 is arranged at one end of the first sheath 5, a sliding groove and a through hole which is communicated with the sliding groove at 90 degrees are arranged in the baffle 15, and the sliding plate 18 is placed in the sliding groove.
The key can be inserted into the second sheath 7 until it locks onto the second cone 13, and then the sliding plate 18 is pulled out of the sliding groove of the baffle 15 by twisting the key through the wire 14 on the capstan 12, and the key inserted into the first cone 17 can enter the first sheath 5 smoothly, further improving the anti-theft performance.
As shown in fig. 2, in the oil stealing prevention protection device for the oil fishing wellhead, a spring 16 is arranged on a seat body 8, and the spring 16 is connected with the other end of a sliding plate 18.
The spring 16 ensures smooth return of the slide plate 18 when it is returned.
As shown in figure 2, in the oil stealing prevention protection device for the oil fishing wellhead, the number of the locking rods 19 and the locking plates 11 is three, and the locking rods and the locking plates are arranged at equal angles, so that the locking stability and the locking safety can be ensured.
As shown in fig. 1, in the oil stealing prevention protection device for the oil fishing wellhead of the utility model, two groups of lock sleeves 9 are arranged on the inner side of a tubular cover body 1, the two groups of lock sleeves 9 are respectively positioned on two tubular structures, the two groups of lock sleeves 9 are connected through a plurality of chains, and a lock pin 10 is arranged in each group of lock sleeves 9.
It is obvious that: the locking between the anti-theft cover 6 and the tubular cover body 1 cannot be opened without a special key; the anti-theft cover 6 can not be detached, and the lock pins 10 arranged at the two sides of the inner side of the tubular cover body 1 can not be drawn out from the lock sleeve 9; the two vertical half-and-half locked tubular cover bodies 1 cannot be separated; the first clamp 4 and the second clamp 3 coated in the tubular cover body 1 can not be detached from the wellhead casing. The design can ensure multiple anti-theft property of the connection of the two tubular structures.
Therefore, according to the oil well head anti-theft protection device, the anti-theft cover 6 and the tubular cover body 1 can be locked, and can be opened only by a special key, so that daily protection of an oil well can be realized. Moreover, according to the oil stealing prevention protection device for the oil fishing wellhead, when oil is fished regularly, the anti-theft cover 6 can be opened, the lock pin 10 is drawn out, and the tubular cover body 1 is detached from a wellhead casing; after the oil is fished, the tubular cover body 1 is mounted, and the anti-theft cover 6 is locked at the upper end of the tubular cover body 1, so that the crude oil is prevented from being stolen, and the normal operation of an oil well is not influenced while the oil is prevented from being stolen. In addition, the oil stealing prevention protection device for the oil fishing wellhead has the advantages of simple integral structure, easiness in manufacturing, multiple locking, stability, reliability and better market popularization and application prospect.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But variations and modifications which do not depart from the spirit and scope of the utility model should be construed as being included in the scope of the appended claims.

Claims (9)

1. The utility model provides a well head theftproof oil protection device drags for oil which characterized in that includes:
a tubular cover (1);
a connector arranged within the tubular housing (1);
the anti-theft cover (6), the said anti-theft cover (6) is set up in the top of the said tubular cover body (1);
a locking mechanism assembled between the tubular cover body (1) and the anti-theft cover (6);
the tubular cover body (1) is formed by buckling and locking two vertical half-and-half-divided tubular structures.
2. The anti-theft protection device for oil fishing wellhead according to claim 1, characterized in that the connector comprises:
a first clamp (4), the first clamp (4) being arranged within the tubular housing (1);
a second clamp (3), the second clamp (3) being arranged inside the tubular cover (1) and the second clamp (3) being located below the first clamp (4).
3. A wellhead oil theft prevention protection device according to claim 2, characterized in that a slide rail (2) is arranged in the tubular cover body (1), and the first clamp (4) is slidably arranged on the slide rail (2).
4. The anti-theft protection device for oil fishing wellhead according to claim 3, characterized in that the locking mechanism comprises:
the seat body (8), the seat body (8) is arranged in the upper end of the tubular cover body (1);
the locking plates (11) are arranged on the inner side of the anti-theft cover (6), and locking holes are formed in the locking plates (11);
the rotary table (20), the said rotary table (20) is set up on the said stand (8) rotatably;
one end of each lock rod (19) is hinged to the corresponding rotary table (20), and the other end of each lock rod (19) extends into the corresponding lock hole;
a first gear (21), the axle of the first gear (21) is arranged on the turntable (20);
the second gear (22), the said second gear (22) is assembled on base, engage between first gear (21) and the second gear (22), there are first conical shafts (17) on the wheel axle of the second gear (22);
a first sheath (5), wherein the first sheath (5) is arranged at the side part of the tubular cover body (1), and the first sheath (5) is positioned outside one end of the first conical shaft (17).
5. The anti-theft protection device for oil fishing wellhead according to claim 4, characterized in that the locking mechanism further comprises:
a second sheath (7), said second sheath (7) being arranged laterally to said tubular enclosure (1);
the reel (12) is assembled on the base body (8), a steel wire (14) is wound on the reel (12), a second taper shaft (13) is arranged on a wheel axle of the reel (12), and the second taper shaft (13) is positioned in the second sheath (7);
a sliding plate (18), wherein one end of the sliding plate (18) is connected with the steel wire (14);
the baffle (15), the baffle (15) sets up in the one end of first sheath (5), is provided with the spout in baffle (15) and is 90 communicating through-holes with the spout, slide (18) are placed in the spout.
6. A wellhead oil theft prevention protection device according to claim 5, characterized in that a spring (16) is arranged on the seat body (8), and the spring (16) is connected with the other end of the sliding plate (18).
7. A wellhead oil theft prevention protection device according to claim 6, characterized in that the number of the locking bars (19) and the locking plates (11) is three and arranged at equal angles.
8. A protective device for preventing oil theft of a fishing wellhead according to claim 7, characterized in that the inner side of the tubular cover body (1) is provided with two sets of lock sleeves (9), the two sets of lock sleeves (9) are respectively positioned on two tubular structures, and the two sets of lock sleeves (9) are connected through a plurality of chains.
9. A wellhead oil theft prevention protection device according to claim 8, characterized in that a lock pin (10) is arranged in each set of lock sleeves (9).
CN202121351599.5U 2021-07-27 2021-07-27 Oil stealing prevention protection device for oil fishing wellhead Active CN216406780U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121351599.5U CN216406780U (en) 2021-07-27 2021-07-27 Oil stealing prevention protection device for oil fishing wellhead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121351599.5U CN216406780U (en) 2021-07-27 2021-07-27 Oil stealing prevention protection device for oil fishing wellhead

Publications (1)

Publication Number Publication Date
CN216406780U true CN216406780U (en) 2022-04-29

Family

ID=81281783

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121351599.5U Active CN216406780U (en) 2021-07-27 2021-07-27 Oil stealing prevention protection device for oil fishing wellhead

Country Status (1)

Country Link
CN (1) CN216406780U (en)

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