CN220267439U - Instrument anti-theft device of fossil fuel exploitation well head - Google Patents
Instrument anti-theft device of fossil fuel exploitation well head Download PDFInfo
- Publication number
- CN220267439U CN220267439U CN202320521594.5U CN202320521594U CN220267439U CN 220267439 U CN220267439 U CN 220267439U CN 202320521594 U CN202320521594 U CN 202320521594U CN 220267439 U CN220267439 U CN 220267439U
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- China
- Prior art keywords
- box body
- cover body
- locking shaft
- fossil fuel
- theft device
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- 239000002803 fossil fuel Substances 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 15
- 244000309464 bull Species 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model provides an instrument anti-theft device for a fossil fuel exploitation wellhead, and aims to solve the technical problem that an instrument on an exploitation well pipeline is stolen in the prior art. The device comprises: a case body; one end of the cover body is hinged with one end of the opening of the box body, the cover body can be embedded into the opening of the box body, one side of the cover body is provided with a limit groove, and the extending direction of the limit groove is the same as the length direction of the cover body; the instrument is arranged on the cover body; one side in the box body is provided with a lock cylinder groove matched with the limit groove, and the lock cylinder groove and the limit groove can form a complete cylindrical space; the lock cylinder groove is internally provided with a locking shaft, the cross section of the locking shaft is D-shaped, one side of the locking shaft with an arc shape can be embedded into the limit groove, and the side of the locking shaft with a straight surface can be flush with the inner wall of the box body; one side of the box body is fixedly provided with a lockset, the tail part of a lock core of the lockset extends out to form a core shaft, and the core shaft is in power connection with the locking shaft through a gear set. The device has the advantages of protecting the instrument and avoiding being stolen.
Description
Technical Field
The utility model relates to an instrument protection device on a pipeline, in particular to an instrument anti-theft device for a fossil fuel exploitation wellhead.
Background
Fossil fuel is produced by drilling a well and then placing a pipeline into the well. Various meters are arranged on a wellhead pipeline for natural gas exploitation, common meters are arranged on the pipeline and are not protected by natural theft-proof facilities, and known meters which are stolen exist.
The instrument has a relatively large effect and has a certain value, the detection of the exploitation well can be influenced after the instrument is stolen, workers need to be arranged for reinstallation, and time is spent.
Disclosure of Invention
Aiming at the technical problem that an instrument on a mining well pipeline is stolen in the prior art, the utility model provides an instrument anti-theft device for a fossil fuel mining well mouth, which has the advantages of protecting the instrument and avoiding being stolen.
The technical scheme of the utility model is as follows:
an instrument theft protection installation for a fossil fuel production wellhead, comprising:
the two ends of the connecting pipe are respectively connected with a pipeline discharged from the wellhead;
the box body is arranged on the side wall of the connecting pipe, and the top of the box body can be opened;
one end of the cover body is hinged with one end of the opening of the box body, the cover body can be embedded into the opening of the box body, one side of the cover body is provided with a limit groove, and the extending direction of the limit groove is the same as the length direction of the cover body;
wherein the instrument is arranged on the cover body;
one side in the box body is provided with a lock cylinder groove matched with the limit groove, and the lock cylinder groove and the limit groove can form a complete cylindrical space;
a locking shaft is arranged in the lock cylinder groove, the cross section of the locking shaft is D-shaped, one side of the locking shaft with an arc shape can be embedded into the limit groove, and the side of the locking shaft with a straight surface can be flush with the inner wall of the box body;
one side of the box body is fixedly provided with a lock, the tail part of a lock core of the lock is extended to form a core shaft, and the core shaft is in power connection with the locking shaft through a gear set.
Optionally, characterized in that,
the two sides in the box body are provided with supporting blocks, and the sum of the height of the supporting blocks and the thickness of the cover body is equal to the depth of the inner side of the box body.
Optionally, the top of supporting shoe is the inclined plane, one side that the supporting shoe width is little with the box body lateral wall is connected, the both sides of box body are equipped with the wash port of slope form, the one end of wash port is located the inclined plane department of supporting shoe.
Optionally, the section of the lock cylinder groove is arc-shaped, and the corresponding central angle of the lock cylinder groove is smaller than 160 degrees and larger than 100 degrees.
Optionally, the gear set includes:
the driving teeth are arranged on the mandrel;
and the driven teeth are arranged on the locking shaft, and the ratio of the driven teeth to the driving teeth is 1:4.
Optionally, a transmission shaft is arranged between the driving teeth and the driven teeth, one end of the transmission shaft is provided with a pinion, and the other end of the transmission shaft is provided with a large gear;
wherein the pinion gear meshes with the drive teeth and the bull gear meshes with the driven teeth.
Optionally, the transmission ratio of the pinion gear to the driving gear is 1:2, and the transmission ratio of the driven gear to the large gear is also 1:2.
Optionally, the inner side of one end of the box body provided with the lock is provided with a shell-shaped structure protruding inwards, and a notch is arranged at the corresponding position of the cover body.
Optionally, one end of the locking shaft is rotatably disposed on a convex shell structure in the box body.
Compared with the prior art, the utility model has the beneficial effects that:
the box body is arranged on the connecting pipe, then the instrument is arranged on the cover body, and when the cover body is buckled on the box body, the instrument can be hidden and is not easy to find.
In addition, a limit groove and a lock cylinder groove are arranged on one side of the cover body and one side of the box body, and the purpose of locking/unlocking the cover body is achieved by rotating the locking shaft in the lock cylinder groove. The principle is that when one side of the locking shaft is arc-shaped and is embedded into the limit groove, the cover body can be locked, otherwise, when one side of the locking shaft is straight and faces the limit groove, the cover body can be unlocked.
In order to increase the protection strength, the lock cylinder of one lockset drives the locking shaft to rotate, so that the cover body can be opened only by screwing the lock cylinder through a key. And if the lock is damaged by violence, the locking shaft cannot be directly rotated, namely the cover body cannot be opened, so that the device can be used for placing theft damaged by violence.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
fig. 4 is an enlarged schematic view of the lock.
Reference numerals:
1. a connecting pipe; 2. a case body; 3. a cover body; 4. a meter; 5. a notch; 6. a limit groove; 7. a lock; 8. a drain hole; 9. a lock cylinder groove; 10. a locking shaft; 11. a water tank; 12. a support block; 13. a driven shaft; 14. a large gear; 15. a mandrel; 16. the teeth are driven.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present utility model, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples:
referring to fig. 1-4, an anti-theft device for a meter 4 of a fossil fuel exploitation wellhead comprises a connecting pipe 1, a box body 2, a shell, a locking shaft 10 and a lock 7. Specific:
the two ends of the connecting pipe 1 are used for connecting a pipeline discharged from a wellhead. The box body 2 is of a rectangular structure and is arranged on the connecting pipe 1, and the length direction of the box body 2 is consistent with the extending direction of the connecting pipe 1. The bottom of the box body 2 is uncovered with the connecting pipe 1, and the top of the box body 2 is opened.
One end of the cover body 3 is rotatably connected with one end of the inner side of the box body 2, and the cover body 3 can be embedded into the opening of the box body 2, so that the top surface of the cover body 3 is flush with the top surface of the box body 2. One side of the cover body 3 is provided with a limiting groove 6 which is concave inwards, the cross section of the limiting groove 6 is arc-shaped, and the extending direction of the limiting groove 6 is consistent with the length direction of the cover body 3.
In addition, the meter 4 described in the present embodiment is provided on the cover 3, and the meter 4 is located inside the case 2 when the cover 3 is covered on the case 2.
The side wall in the box body 2 is provided with a lock cylinder groove 9 matched with the limit groove 6, the section of the lock cylinder groove 9 is also arc-shaped, and the lock cylinder groove 9 and the limit groove 6 can be combined into a complete cylindrical space. Wherein, the central angle corresponding to the lock cylinder groove 9 is smaller than 160 degrees and larger than 100 degrees.
A locking shaft 10 is arranged in the lock cylinder groove 9, and two ends of the locking shaft 10 respectively rotate two pieces of woolen cloth and are arranged at two ends of the shell. The section of the locking shaft 10 is D-shaped, the locking shaft 10 can freely rotate in the lock cylinder groove 9, when one side of the locking shaft 10 with a straight surface faces the limit groove 6, the side surface of the locking shaft 10 is just flush with the inner side wall of the box body 2, and one side of the locking shaft 10 with an arc surface can be embedded into the limit groove 6.
The lock 7 is arranged outside one side of the box body 2 with the lock core groove 9, a core shaft 15 extends out of the lock core tail of the lock 7, and the core shaft 15 is in power connection with the locking shaft 10 through a gear 14 group. When the lock cylinder is turned by a key, the spindle 15 can drive the lock shaft 10 to rotate.
The working principle of the embodiment is as follows:
the box body 2 is arranged on the connecting pipe 1, then the instrument 4 is arranged on the cover body 3, and when the cover body 3 is buckled on the box body 2, the instrument 4 can be hidden and is not easy to find.
In addition, a limit groove 6 and a lock cylinder groove 9 are arranged on one side of the cover body 3 and one side of the box body 2, and the purpose of locking/unlocking the cover body 3 is achieved by rotating the locking shaft 10 in the lock cylinder groove 9. The principle is that when one side of the locking shaft 10 is arc-shaped and is embedded into the limit groove 6, the cover body 3 can be locked, otherwise, when one side of the locking shaft 10 is straight and faces the limit groove 6, the cover body 3 can be unlocked.
In order to increase the protection strength, the lock cylinder of one lock 7 drives the locking shaft 10 to rotate, so that the cover 3 can be opened only by screwing the lock cylinder with a key. If the lock 7 is broken by a violent force, the lock shaft 10 cannot be directly rotated, that is, the cover 3 cannot be opened, so that the device can be used for preventing the violent damage from being stolen.
In one particular embodiment:
support blocks 12 are arranged on two sides in the box body 2, and the top ends of the support blocks 12 are inclined and form a water tank 11 with the inner wall of the box body 2.
The two sides of the box body 2 are provided with drain holes 8 penetrating the inside and the outside of the box body, the drain holes 8 are inclined, and one end of each drain hole 8 is communicated with the bottom of the water tank 11.
The top of the supporting block 12 may be in contact with the bottom surface of the cover 3, and the sum of the height of the supporting block 12 and the thickness of the cover 3 is equal to the depth inside the case 2.
In the present embodiment, rainwater can be prevented from accumulating in the case 2 through the gap between the cover 3 and the case 2.
In another specific embodiment:
the set of gears 14 includes drive teeth 16, driven teeth, pinion gears 14, drive shafts, large gears 14. Specific:
one end of the locking shaft 10 penetrates into the box body 2 and is coaxially connected with the driven shaft 13, the driving teeth 16 are fixedly arranged on the mandrel 15, the driven teeth are arranged on the driven shaft 13, and the transmission ratio of the driven teeth to the driving teeth 16 is 1:4.
A transmission shaft is arranged between the mandrel 15 and the locking shaft 10, one end of the transmission shaft is fixedly provided with a large gear 14, and the other end is fixedly provided with a small gear 14. The large gear 14 is meshed with the driven gear, the small gear 14 is meshed with the driving gear 16, the transmission ratio of the driven gear to the large gear 14 is 1:2, and the transmission ratio of the small gear 14 to the driving gear 16 is also 1:2.
The inside of the case 2 provided with the lock 7 has an inwardly projecting shell-like structure in which the driven shaft 13 is arranged, correspondingly, the end of the cover 3 being provided with a notch 5.
In this embodiment, by setting the ratio of driven teeth to drive teeth 16 to 1:4, the lock/unlock is achieved by rotating the lock shaft 10 180 ° by only 45 ° when unlocking or locking the cover plate.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (9)
1. An instrument anti-theft device for a fossil fuel exploitation wellhead, comprising:
the two ends of the connecting pipe are respectively connected with a pipeline discharged from the wellhead;
the box body is arranged on the side wall of the connecting pipe, and the top of the box body can be opened;
one end of the cover body is hinged with one end of the opening of the box body, the cover body can be embedded into the opening of the box body, one side of the cover body is provided with a limit groove, and the extending direction of the limit groove is the same as the length direction of the cover body;
wherein the instrument is arranged on the cover body;
one side in the box body is provided with a lock cylinder groove matched with the limit groove, and the lock cylinder groove and the limit groove can form a complete cylindrical space;
a locking shaft is arranged in the lock cylinder groove, the cross section of the locking shaft is D-shaped, one side of the locking shaft with an arc shape can be embedded into the limit groove, and the side of the locking shaft with a straight surface can be flush with the inner wall of the box body;
one side of the box body is fixedly provided with a lock, the tail part of a lock core of the lock is extended to form a core shaft, and the core shaft is in power connection with the locking shaft through a gear set.
2. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 1, wherein,
the two sides in the box body are provided with supporting blocks, and the sum of the height of the supporting blocks and the thickness of the cover body is equal to the depth of the inner side of the box body.
3. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 2, wherein,
the top of supporting shoe is the inclined plane, one side that the supporting shoe width is little with the box body lateral wall is connected, the both sides of box body are equipped with the wash port of slope form, the one end of wash port is located the inclined plane department of supporting shoe.
4. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 1, wherein,
the section of the lock cylinder groove is arc-shaped, and the central angle corresponding to the lock cylinder groove is smaller than 160 degrees and larger than 100 degrees.
5. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 4, wherein,
the gear set includes:
the driving teeth are arranged on the mandrel;
and the driven teeth are arranged on the locking shaft, and the ratio of the driven teeth to the driving teeth is 1:4.
6. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 5, wherein,
a transmission shaft is arranged between the driving teeth and the driven teeth, one end of the transmission shaft is provided with a pinion, and the other end of the transmission shaft is provided with a large gear;
wherein the pinion gear meshes with the drive teeth and the bull gear meshes with the driven teeth.
7. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 6, wherein,
the transmission ratio of the pinion to the driving gear is 1:2, and the transmission ratio of the driven gear to the large gear is also 1:2.
8. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 1, wherein,
the box body is provided with a shell-shaped structure protruding inwards at the inner side of one end of the lock, and a notch is formed in the corresponding position of the cover body.
9. The meter anti-theft device for fossil fuel production wellhead as claimed in claim 8, wherein,
one end of the locking shaft is rotatably arranged on the convex shell-shaped structure in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521594.5U CN220267439U (en) | 2023-03-17 | 2023-03-17 | Instrument anti-theft device of fossil fuel exploitation well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521594.5U CN220267439U (en) | 2023-03-17 | 2023-03-17 | Instrument anti-theft device of fossil fuel exploitation well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267439U true CN220267439U (en) | 2023-12-29 |
Family
ID=89303767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320521594.5U Active CN220267439U (en) | 2023-03-17 | 2023-03-17 | Instrument anti-theft device of fossil fuel exploitation well head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267439U (en) |
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2023
- 2023-03-17 CN CN202320521594.5U patent/CN220267439U/en active Active
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| GR01 | Patent grant | ||
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