CN220522509U - Packing box fixing clip - Google Patents
Packing box fixing clip Download PDFInfo
- Publication number
- CN220522509U CN220522509U CN202322160801.1U CN202322160801U CN220522509U CN 220522509 U CN220522509 U CN 220522509U CN 202322160801 U CN202322160801 U CN 202322160801U CN 220522509 U CN220522509 U CN 220522509U
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- CN
- China
- Prior art keywords
- slip
- packing box
- movable
- arc
- cam
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Links
- 238000012856 packing Methods 0.000 title claims abstract description 77
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 239000000945 filler Substances 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to the technical field of maintenance operation of packing boxes in oil fields, in particular to a packing box fixing clamp which comprises a fixing slip, a movable slip, a first pin shaft and a connecting piece. The utility model has reasonable and compact structure and convenient use, and can quickly and reliably fixedly install the movable slips and the fixed slips on the outer side of the polish rod corresponding to the lower side of the packing box gland through the cam locking mechanism and the anti-slip pad which are formed by the cam lock catch and the connecting rod, so as to continuously and reliably lift the packing box gland in mid-air, provide convenience for operators to quickly and laborsaving replace the sealing filler in the packing box, effectively prevent the packing box gland from falling and smashing the operators or the packing box connecting part in the replacement operation process, and avoid potential safety hazards; after the replacement operation is completed, the device can be taken down from the polish rod by releasing the locking state of the cam lock catch, so that the operation efficiency is greatly improved, and the operation time is saved.
Description
Technical Field
The utility model relates to the technical field of maintenance operation of packing boxes in oil fields, in particular to a packing box fixing clamp.
Background
The high temperature and high pressure are generally accompanied in the thick oil exploitation process in China, a sealing filler packing box is arranged at the wellhead of the pumping well, and the sealing filler is added into the sealing filler packing box to achieve the effect of sealing the wellhead and prevent the environment pollution such as oil leakage and seepage in the pumping production process. The packing box gland is usually matched with the packing box, the packing box gland is screwed up and pressurized to the gland by manpower, the gland is fixed on the extrusion of packing in the packing box, and the effect of sealing the polish rod is achieved.
In the production process, the sealing packing needs to be replaced frequently due to various reasons, and the packing box gland can not be taken off because the packing box gland is sleeved on the polish rod in the process of replacing the sealing packing, and the packing box gland must be unscrewed and moved upwards and fixed along the polish rod before the packing is replaced, so that the packing replacement operation can be performed. In the process, two persons are usually required to cooperate to detach the packing box to replace the sealing packing, when the sealing packing is scratched, the packing box gland cannot be fixed, one person can assist the help beside to lift the detached packing box gland by hand, due to the high temperature in the process of thick oil production, the surface temperature of the packing box is generally higher, the auxiliary person needs to frequently change hands or clamp the packing box gland on a polish rod by using a pipe wrench, the phenomena of slipping of the packing box gland, slipping of the pipe wrench and the like are easy to occur, and potential safety hazards such as hand smashing and packing box connecting buckle smashing are caused.
Disclosure of Invention
The utility model provides a packing box fixing clamp, which overcomes the defects of the prior art, and can effectively solve the problems of time and labor waste, lower construction efficiency and potential safety hazard existing in the existing packing sealing filler replacement process.
The technical scheme of the utility model is realized by the following measures: the utility model provides a packing box fixing clip, includes fixed slips, activity slips, first round pin axle and connecting piece, and fixed slips left part is in the same place through first round pin axle with activity slips left part is articulated, and fixed slips middle part is equipped with the back arc breach that the opening link up forward and from top to bottom, is equipped with the preceding arc breach that the opening link up backward and from top to bottom on the activity slips of corresponding back arc breach position, and fixed slips right part and activity slips right part are in the same place through the connecting piece detachable connection.
The following are further optimizations and/or improvements to the above-described inventive solution:
the connecting piece can comprise a connecting rod, a second pin shaft, a third pin shaft and a cam lock catch, wherein the right side of the front part of the fixed slip is provided with a first clamping table, the right side of the rear part of the movable slip corresponding to the position of the fixed clamping table is provided with a second clamping table, the right part of the second clamping table is provided with a first bayonet with an opening communicated right and front and back, the first clamping table corresponding to the position of the first bayonet is provided with a second bayonet with an opening communicated right and front and back, the second bayonet is hinged with a connecting rod with the front part positioned in the first bayonet through the second pin shaft, the front end of the connecting rod is hinged with the right rear end of the cam lock catch through the third pin shaft, and the right rear end of the cam lock catch can well prop against the front side of the second clamping table when the cam lock catch rotates left.
The right rear end of the cam lock catch can be in a cam shape.
The right rear end of the cam lock catch can be in a shape of a circular arc protruding backwards, and the front end of the connecting rod and the right rear end of the cam lock catch are eccentrically hinged together.
The front side of the second clamping table can be provided with a locking groove with a forward opening and a shape matched with the shape of the right rear end of the cam lock catch.
The anti-slip device can further comprise a rear anti-slip pad and a front anti-slip pad, wherein the rear anti-slip pad in an arc shape is fixedly arranged in the rear arc-shaped notch, and the front anti-slip pad in an arc shape is fixedly arranged in the front arc-shaped notch.
A gap can be arranged between the right part of the fixed slip and the right part of the movable slip.
The utility model has reasonable and compact structure and convenient use, and can quickly and reliably fixedly install the movable slips and the fixed slips on the outer side of the polish rod corresponding to the lower side of the packing box gland through the cam locking mechanism and the anti-slip pad which are formed by the cam lock catch and the connecting rod, so as to continuously and reliably lift the packing box gland in mid-air, provide convenience for operators to quickly and laborsaving replace the sealing filler in the packing box, effectively prevent the packing box gland from falling and smashing the operators or the packing box connecting part in the replacement operation process, and avoid potential safety hazards; after the replacement operation is completed, the device can be taken down from the polish rod by releasing the locking state of the cam lock catch, so that the operation efficiency is greatly improved, and the operation time is saved.
Drawings
FIG. 1 is a schematic top view of embodiments 1-7 of the present utility model.
Fig. 2 is a schematic perspective view of fig. 1.
Fig. 3 is a schematic top view of the open configuration of fig. 1.
The labels in the drawings are respectively: the slip is characterized in that the slip comprises a fixed slip body 1, a movable slip body 2, a first pin shaft 3, a rear arc notch 4, a front arc notch 5, a connecting rod 6, a second pin shaft 7, a third pin shaft 8, a cam lock catch 9, a first clamping table 10, a second clamping table 11, a locking groove 12, a rear anti-slip pad 13 and a front anti-slip pad 14.
Detailed Description
The present utility model is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present utility model.
In the present utility model, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The utility model is further described below with reference to examples and figures:
example 1: as shown in fig. 1-3, the packing box fixing clamp comprises a fixing slip 1, a movable slip 2, a first pin shaft 3 and a connecting piece, wherein the left part of the fixing slip 1 is hinged with the left part of the movable slip 2 through the first pin shaft 3, a rear arc notch 4 with a front opening and penetrating up and down is arranged in the middle of the fixing slip 1, a front arc notch 5 with a rear opening and penetrating up and down is arranged on the movable slip 2 corresponding to the position of the rear arc notch 4, and the right part of the fixing slip 1 is detachably connected with the right part of the movable slip 2 through the connecting piece.
When the packing box gland is used, after the packing box gland is lifted upwards for a certain distance along the axial direction of the polish rod, the right ends of the fixed slips 1 and the movable slips 2 are opened, the fixed slips 1 and the movable slips 2 are sleeved on the outer side of the polish rod at the lower side of the packing box gland, and then the right ends of the fixed slips 1 and the movable slips 2 are connected together again through the connecting piece, so that the polish rod is clamped firmly by the fixed slips 1 and the movable slips 2, and the packing box gland can be lifted above the packing box after the packing box gland is loosened; at this moment, the packing is replaced, the packing box gland does not need to be worried about sliding downwards to crush operators or crush the connecting part of the packing box in the operation process, the operation process is time-saving and labor-saving, the replacement operation efficiency is effectively improved, and after the packing is replaced, the device is taken down after the connecting piece is disassembled, so that the packing box gland falls back to the original position. According to the requirements, the connecting piece can realize the detachable connection and locking between the right ends of the fixed slip 1 and the movable slip 2 through a latch type clamp or a bolt or a switch type electromagnet or a cam locking mechanism and the like in the prior art; the rear arc notch 4 and the front arc notch 5 can just wrap the outer side of the polish rod, and the radial dimension between the rear arc notch 4 and the front arc notch is matched with the radial dimension of the polish rod.
The packing box pressing cover can be continuously and reliably lifted in mid-air after the hand is loosened, so that an operator can conveniently, quickly and laborsaving replace sealing filler in the packing box, and the condition that the packing box pressing cover falls down to smash the operator or the packing box connecting part in the replacement operation process is effectively prevented.
The packing box fixing clamp can be further optimized or/and improved according to actual needs:
example 2: as shown in fig. 1-3, the connecting piece comprises a connecting rod 6, a second pin shaft 7, a third pin shaft 8 and a cam lock catch 9, a first clamping table 10 is arranged on the right side of the front part of the fixed slip 1, a second clamping table 11 is arranged on the right side of the rear part of the movable slip 2 corresponding to the position of the fixed clamping table, a first bayonet with a rightward opening and penetrating front and back is arranged on the right side of the second clamping table 11, a second bayonet with a rightward opening and penetrating front and back is arranged on the first clamping table 10 corresponding to the position of the first bayonet, the connecting rod 6 with the front part positioned in the first bayonet is hinged in the second bayonet through the second pin shaft 7, the front end of the connecting rod 6 is hinged with the right rear end of the cam lock catch 9 through the third pin shaft 8, and the right rear end of the cam lock catch 9 can well prop against the front side of the second clamping table 11 when the cam lock catch 9 rotates leftwards.
When the packing box pressing device is used, the packing box pressing device is sleeved on the outer side of a polish rod corresponding to the lower side of a packing box pressing cover, then the cam lock catch 9 is held to pull the connecting rod 6 forwards, the front part of the connecting rod 6 enters a first bayonet, then the cam lock catch 9 rotates leftwards along the third pin shaft 8, and further the right rear end of the cam lock catch 9 is tightly propped against the front side of the second clamping table 11, so that the packing box pressing cover is fixedly arranged on the polish rod, and the packing box pressing cover is lifted in mid-air; after the device is used, the packing box gland is manually supported, and then the cam lock catch 9 is rotated rightwards to release the jacking state between the cam lock catch 9 and the second clamping table 11, so that the movable slips 2 are opened to take the device off the polish rod.
Example 3: as shown in fig. 1-3, the right rear end of the cam lock 9 is cam-shaped. By the arrangement, a cam locking mechanism in the prior art can be formed between the cam lock catch 9 and the second clamping table 11, so that the locking effect between the fixed slip 1 and the movable slip 2 is better, and the looseness between the cam lock catch 9 and the second clamping table 11 is reduced; in addition, the cam locking mechanism can be quickly adjusted and replaced, so that the use time and the adjustment time of the tool clamp are reduced, and the production efficiency and the economic benefit are improved.
Example 4: as shown in fig. 1-3, the right rear end of the cam lock catch 9 is in a shape of a circular arc protruding backwards, and the front end of the connecting rod 6 is eccentrically hinged with the right rear end of the cam lock catch 9.
By the arrangement, a cam lock catch 9 and a second clamping table 11 in the prior art can form a cam mechanism, so that a better locking effect is realized, and the device is prevented from falling off in the process of sealing filler replacement operation; in order to prevent the cam lock 9 from being hooked and unlocked by mistake in the operation process, in the embodiment, the tadpole shape with the downward curvature of the cam lock 9 is matched with the curvature of the lower side surface of the movable slip 2 in the curvature.
Example 5: as shown in fig. 1-3, the front side of the second clamping table 11 is provided with a locking groove 12 which is opened forward and has a shape matched with the shape of the right rear end of the cam lock 9. Through the arrangement, when the cam lock catch 9 is tightly propped against the second clamping table 11, the top cup at the right rear part of the cam lock catch 9 can be clamped into the locking groove 12, so that the problem that the cam lock catch 9 loosens and breaks open when the device is vibrated in the process of replacing the sealing filler is prevented, and potential safety hazards are avoided.
Example 6: as shown in fig. 1-3, the anti-slip device further comprises a rear anti-slip pad 13 and a front anti-slip pad 14, wherein the rear anti-slip pad 13 which is arc-shaped is fixedly arranged in the rear arc-shaped notch 4, and the front anti-slip pad 14 which is arc-shaped is fixedly arranged in the front arc-shaped notch 5.
Through such setting, the frictional force between fixed slips 1 and movable slips 2 internal surface and the polished rod can effectively be increased to back slipmat 13 and preceding slipmat 14, prevents to follow the polished rod surface gliding at sealed packing change operation in-process this device, can also prevent simultaneously that fixed slips 1 and movable slips 2 fish tail polished rod, has eliminated the potential safety hazard of changing packing operation in-process, greatly reduced personnel and equipment appearance probability of injury. According to the requirement, the rear anti-slip pad 13 and the front anti-slip pad 14 are made of elastic materials such as rubber, polyurethane or silica gel in the prior art, and the fixed installation between the rear anti-slip pad and the fixed slip 1 and the movable slip 2 can be realized through bonding, screwing, riveting or the like in the prior art.
Example 7: as shown in fig. 1-2, a gap is arranged between the right part of the fixed slip 1 and the right part of the movable slip 2. Through this setting, can make fixed slips 1 and movable slips 2 produce sufficient deformation to make fixed slips 1 and movable slips 2 hug tightly the polished rod better, and then provide sufficient lifting force, prevent packing box gland landing.
The technical characteristics form the embodiment of the utility model, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (9)
1. The packing box fixing clamp is characterized by comprising a fixing slip, a movable slip, a first pin shaft and a connecting piece, wherein the left part of the fixing slip is hinged with the left part of the movable slip through the first pin shaft, a rear arc notch with a forward opening and penetrating up and down is arranged in the middle of the fixing slip, a front arc notch with a backward opening and penetrating up and down is arranged on the movable slip corresponding to the position of the rear arc notch, and the right part of the fixing slip is detachably connected with the right part of the movable slip through the connecting piece; the connecting piece includes connecting rod, the second round pin axle, third round pin axle and cam hasp, fixed slips front portion right side is equipped with first block, movable slips rear portion right side that corresponds fixed block position is equipped with the second block, second block right part is equipped with the opening and just link up around and to the opening first bayonet socket that link up, be equipped with the opening right on the first block that corresponds first bayonet socket position and just link up around and to link up the second bayonet socket, it is located the connecting rod of first bayonet socket that the front portion is located through the second round pin axle in the second bayonet socket, the connecting rod front end articulates together through third round pin axle and cam hasp right rear end, and its right rear end just can jack up the second block front side when cam hasp rotates left.
2. The packing box fixing clip of claim 1, wherein the right rear end of the cam lock is cam-shaped.
3. The packing box fixing clip of claim 1, wherein the right rear end of the cam lock is in a shape of a circular arc protruding backward, and the front end of the connecting rod is eccentrically hinged with the right rear end of the cam lock.
4. A packing box fixing clip according to claim 1, 2 or 3, wherein the second clip front side is provided with a locking groove which is open forward and shaped to match the shape of the right rear end of the cam lock catch.
5. The packing box fixing clip of claim 1, 2 or 3, further comprising a rear anti-slip pad and a front anti-slip pad, wherein the rear anti-slip pad having an arc shape is fixedly installed in the rear arc-shaped notch, and the front anti-slip pad having an arc shape is fixedly installed in the front arc-shaped notch.
6. The packing box fixing clip of claim 4, further comprising a rear anti-slip pad and a front anti-slip pad, wherein the rear anti-slip pad is fixedly arranged in the rear arc-shaped notch, and the front anti-slip pad is fixedly arranged in the front arc-shaped notch.
7. The packing box anchor clamp of claim 1 or 2 or 3 or 6, wherein a gap is provided between the right portion of the stationary slip and the right portion of the movable slip.
8. The packing box anchor clamp of claim 4, wherein a gap is provided between the right portion of the stationary slip and the right portion of the movable slip.
9. The packing box anchor clamp of claim 5, wherein a gap is provided between the right portion of the stationary slip and the right portion of the movable slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322160801.1U CN220522509U (en) | 2023-08-11 | 2023-08-11 | Packing box fixing clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322160801.1U CN220522509U (en) | 2023-08-11 | 2023-08-11 | Packing box fixing clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522509U true CN220522509U (en) | 2024-02-23 |
Family
ID=89932345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322160801.1U Active CN220522509U (en) | 2023-08-11 | 2023-08-11 | Packing box fixing clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522509U (en) |
-
2023
- 2023-08-11 CN CN202322160801.1U patent/CN220522509U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |