CN217999519U - Electric chuck for well repair - Google Patents
Electric chuck for well repair Download PDFInfo
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- CN217999519U CN217999519U CN202222835807.XU CN202222835807U CN217999519U CN 217999519 U CN217999519 U CN 217999519U CN 202222835807 U CN202222835807 U CN 202222835807U CN 217999519 U CN217999519 U CN 217999519U
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Abstract
The utility model relates to a workover tool technical field is an electric chuck for workover, including chuck main part, valve, half left slips, half right slips, left connecting rod, right connecting rod, rocker and electric putter. The utility model has the advantages of reasonable and compact structure, high durability and convenient use, it swings to drive left connecting rod and right connecting rod after electric putter's the telescopic link withdrawal, make left axis of rotation and the synchronous rotation of right axis of rotation then, it all swings downwards and makes left half slips and right half slips be close to each other finally to drive left swing arm right-hand member and right swing arm left end, left half slips and right half slips block the tubular pole, when needs loosen the tubular pole, electric putter's telescopic link can drive left swing arm right-hand member and the equal upswing of right swing arm left end and make left half slips and right half slips keep away from each other after stretching out, finally loosen the tubular pole, electric putter can reduce cost, the card has been guaranteed, put the swift reliability of tubular pole, the incident of avoiding taking place to fall easily, and has safety, laborsaving, it is simple and convenient, high efficiency characteristics.
Description
Technical Field
The utility model relates to a workover tool technical field is an electric chuck for workover.
Background
In the oil field well repairing operation, a pipe rod in an oil well is often required to be clamped, so that the pipe rod in the oil well is prevented from falling, and a tool is required to realize the function.
At present, the manual elevator is generally used domestically, and is finished by manpower, specifically, two operators stand on a wellhead, and the pipe pole is clamped by the manual elevator when needed, a large amount of manpower is consumed during operation, and frequent falling is caused, so that personnel are injured and even dead serious accidents occur, and therefore, the operation is reliably and effectively finished, a device suitable for a section is developed, and meanwhile, the problem that potential safety hazards need to be solved urgently at present is solved.
Disclosure of Invention
The utility model provides an electric chuck for well repair has overcome above-mentioned prior art not enough, and it exists when effectively solving current manual elevator operation and expends a large amount of manpowers, and falls the problem that has the potential safety hazard easily.
The technical scheme of the utility model is realized through following measure: an electric chuck for well workover comprises a chuck main body, a valve, a left half slip, a right half slip, a left connecting rod, a right connecting rod, a rocker and an electric push rod, wherein a channel which is communicated up and down is arranged in the chuck main body, a notch communicated with the channel is arranged at the front side of the chuck main body, a valve is arranged at the front side of the middle part of the chuck main body corresponding to the position of the gap, a conical surface with a big top and a small bottom is arranged at the inner side of the middle part of the chuck main body, a left half slip and a right half slip which are matched with the conical surface at the outer side of the lower part are arranged on the conical surface upper seat, a left connecting component is fixedly arranged at the left side of the upper part of the left half slip, a right connecting component is fixedly arranged at the right side of the upper part of the right half slip, a left hinged seat is fixed on the left side of the middle part of the chuck body corresponding to the position of the left connecting component, a right hinged seat is fixed on the right side of the middle part of the chuck body corresponding to the position of the right connecting component, a left rotating shaft with the rear end positioned behind the left hinged seat is rotatably arranged on the left hinged seat, a left swing arm with the right end hinged with the left connecting component is fixedly arranged on the outer side of the middle part of the left rotating shaft, a left connecting rod is fixedly arranged on the rear end of the left rotating shaft, a right rotating shaft with the rear end positioned behind the right hinged seat is rotatably arranged on the right hinged seat, a right swing arm with the left end hinged with the right connecting component is fixedly arranged on the outer side of the middle part of the right rotating shaft, a right connecting rod is fixedly arranged on the rear end of the right rotating shaft, the left part of the rocker is rotatably connected with the rear end of the left connecting rod, an electric push rod is hinged with the rear side of the lower part of the chuck body, and a telescopic rod with the right end hinged with the rocker is arranged in the electric push rod, when the telescopic rod extends out, the right end of the left swing arm and the left end of the right swing arm can be driven to swing upwards so that the left half slip and the right half slip are away from each other, and the telescopic link can drive the left swing arm right-hand member and the right swing arm left end all swing downwards during retraction so that the left half slips and the right half slips are close to each other.
The following are further optimization or/and improvement of the technical scheme of the utility model:
above-mentioned chuck main part lower part rear side fixed mounting has the fixing base, and fixing base middle part rear side is equipped with the mounting groove that the opening is backward, and the articulated mounting in mounting groove lower part of electric putter left end corresponds the fixing base upside of rocker position and is equipped with and link up from top to bottom and open the guide way to the right.
The front side of the rocker corresponding to the upper position of the fixed seat can be fixed with a limiting block.
Above-mentioned half slips in left side can include preceding slips, back slips and slips board, preceding slips and back slips all are arc and front and back symmetry setting, the inboard equal fixed mounting of preceding slips and back slips inboard has arc slips board, the slip tooth that interval distribution about having a plurality of on the slips inboard wall, left side connecting member is including preceding connecting plate and the back connecting plate that the interval set up around, preceding connecting plate right side and back connecting plate right side respectively with preceding slips rear portion left side, the anterior left side fixed mounting of back slips is in the same place, articulated the installing between preceding connecting plate and back connecting plate in left swing arm right part, right side slips is the same and bilateral symmetry setting with half slips in left side structure in right side, right side connecting member is the same and bilateral symmetry setting with left connecting member structure in right side.
A plurality of vertically arranged expansion grooves with inward openings can be distributed on the upper side of the slip teeth at intervals along the circumference.
The left connecting rod and the right connecting rod can be L-shaped, a left mounting hole which is through from front to back is formed in the left portion of the rocker, a right mounting hole which is through from front to back is formed in the right portion of the rocker, the right rear end of the left connecting rod and the right rear end of the right connecting rod are rotatably mounted in the left mounting hole and the right mounting hole respectively, and the left front end of the left connecting rod and the left front end of the right connecting rod are fixedly mounted with the rear end of the left rotating shaft and the rear end of the right rotating shaft respectively.
The left front side of the chuck main body can be provided with a left hinge groove communicated with the gap at the right end, the right front side of the chuck main body is provided with a right hinge groove communicated with the gap at the left end, the valve is in a cross shape, the left part of the valve is arranged in the left hinge groove, and the right part of the valve is arranged in the right hinge groove.
The utility model has the advantages of reasonable and compact structure, high durability and convenient use, it swings to drive left connecting rod and right connecting rod after electric putter's the telescopic link withdrawal, make left axis of rotation and the synchronous rotation of right axis of rotation then, it all swings downwards and makes left half slips and right half slips be close to each other finally to drive left swing arm right-hand member and right swing arm left end, left half slips and right half slips block the tubular pole, when needs loosen the tubular pole, electric putter's telescopic link can drive left swing arm right-hand member and the equal upswing of right swing arm left end and make left half slips and right half slips keep away from each other after stretching out, finally loosen the tubular pole, electric putter can reduce cost, the card has been guaranteed, put the swift reliability of tubular pole, the incident of avoiding taking place to fall easily, and has safety, laborsaving, it is simple and convenient, high efficiency characteristics.
Drawings
Fig. 1 is a schematic front view of the preferred embodiment of the present invention.
Fig. 2 is a schematic top view of the preferred embodiment of the present invention.
Fig. 3 is a schematic right sectional view of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the chuck main part, 2 is the valve, 3 is left connecting rod, 4 is right connecting rod, 5 is the rocker, 6 is electric putter, 7 is left articulated seat, 8 is right articulated seat, 9 is the left turn axis, 10 is the right turn axis, 11 is left swing arm, 12 is right swing arm, 13 is the fixing base, 14 is the guide way, 15 is preceding slips, 16 is back slips, 17 is the slips board, 18 is the slips, 19 is preceding connecting plate, 20 is the back connecting plate, 21 is the inflation groove, 22 is the stopper.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of each component is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1, 2 and 3, the electric chuck for well workover comprises a chuck main body 1, a valve 2, a left half slip, a right half slip, a left connecting rod 3, a right connecting rod 4, a rocker 5 and an electric push rod 6, wherein a channel which is communicated up and down is arranged in the chuck main body 1, a gap communicated with the channel is arranged at the front side of the chuck main body 1, the valve 2 is arranged at the front side of the middle part of the chuck main body 1 corresponding to the gap, a conical surface which is big-end-up and small-end-down is arranged at the inner side of the middle part of the chuck main body 1, a left half slip and a right half slip which are matched with the conical surface at the outer side of the lower part are arranged on an upper seat of the conical surface, a left connecting component is fixedly arranged at the left side of the upper part of the left half slip, a right connecting component is fixedly arranged at the right side of the upper part of the right half slip, a left hinged seat 7 is fixedly arranged at the left side of the middle part of the chuck main body 1 corresponding to the left connecting component, a right hinged seat 8 is rotatably arranged on the left seat 7, a left rotating shaft 9 with the rear end positioned behind the left seat hinged 7, a left swing arm 11 with the right end hinged with a left connecting component is fixedly arranged on the outer side of the middle part of the left rotating shaft 9, a left connecting rod 3 is fixedly arranged on the rear end of the left rotating shaft 9, a right rotating shaft 10 with the rear end positioned behind the right hinged seat 8 is rotatably arranged on the right hinged seat 8, a right swing arm 12 with the left end hinged with a right connecting component is fixedly arranged on the outer side of the middle part of the right rotating shaft 10, a right connecting rod 4 is fixedly arranged on the rear end of the right rotating shaft 10, the left part of a rocker 5 is rotatably connected with the rear end of the left connecting rod 3, the right part of the rocker 5 is rotatably connected with the rear end of the right connecting rod 4, an electric push rod 6 is hinged with the rear side of the lower part of the chuck body 1, a telescopic rod with the right end hinged with the right end of the rocker 5 is arranged in the electric push rod 6, when the telescopic rod extends, the right end of the left swing arm 11 and the left end of the right swing arm 12 can be driven to swing upwards to enable a left half slip and a right slip to be away from each other, and the telescopic link can drive 11 right-hand members in left swing arm and the 12 left ends in right swing arm all swing downwards when withdrawing so that half left slips and half right slips are close to each other.
According to the requirement, the left hinging seat 7 and the right hinging seat 8 are both the prior known technology. In the use, the telescopic link of electric putter 6 retracts and drives left connecting rod 3 and right connecting rod 4 synchronous oscillation, then make left axis of rotation 9 and right axis of rotation 10 synchronous rotation, left axis of rotation 9 rotates along clockwise, right axis of rotation 10 rotates along counter-clockwise, finally drive the equal downswing of 11 right-hand members of left swing arm and the 12 left ends of right swing arm and make left half slips and right half slips close to each other, left half slips and right half slips block the tubular pole, avoid the tubular pole whereabouts, when needs loosen the tubular pole, electric putter 6's telescopic link stretches out and can drive the equal upswing of 11 right-hand members of left swing arm and the 12 left ends of right swing arm and make left half slips and right half slips keep away from each other, finally loosen the tubular pole, electric putter 6's setting, can reduce cost, the card has been guaranteed, the swift reliability of tubular pole, avoid taking place the incident that falls easily, the utility model discloses rational in infrastructure and compact, high durability and convenient use, have safety, laborsaving, simple and convenient, efficient characteristics.
The electric chuck for well repair can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1, 2 and 3, a fixed seat 13 is fixedly mounted at the rear side of the lower part of the chuck main body 1, a mounting groove with a backward opening is formed in the rear side of the middle part of the fixed seat 13, the left end of the electric push rod 6 is hinged and mounted at the lower part of the mounting groove, and a guide groove 14 which is through up and down and has a rightward opening is formed in the upper side of the fixed seat 13 corresponding to the position of the rocker 5. The setting of fixing base 13 can improve electric putter 6's stability, and the electric putter 6 of also being convenient for is connected with chuck main part 1, and the setting of guide way 14 can play direction and supporting role to rocker 5, prevents that rocker 5 swing in-process from taking place bending deformation.
As shown in figure 2, a limiting block 22 is fixed on the front side of the rocker 5 corresponding to the position above the fixed seat 13. After electric putter 6's the telescopic link withdrawal like this, stopper 22 and the contact of 13 upsides in fixing base play limiting displacement, prevent that electric putter 6's telescopic link withdrawal volume is too big to break down.
As shown in the accompanying drawings 1, 2 and 3, the left half slip comprises a front slip 15, a rear slip 16 and a slip plate 17, the front slip 15 and the rear slip 16 are both arc-shaped and symmetrically arranged front and back, the arc-shaped slip plate 17 is fixedly arranged on the inner side of the front slip 15 and the inner side of the rear slip 16, slip teeth 18 distributed at intervals up and down are arranged on the inner wall of the slip plate 17, a left connecting member comprises a front connecting plate 19 and a rear connecting plate 20 which are arranged front and back at intervals, the right side of the front connecting plate 19 and the right side of the rear connecting plate 20 are respectively left side of the rear portion of the front slip 15, the front left side of the rear slip 16 is fixedly installed together, the right part of the left swing arm 11 is hinged and installed between the front connecting plate 19 and the rear connecting plate 20, the right half slip is structurally identical with the left half slip and symmetrically arranged left, and right connecting member is structurally identical with the left connecting member and symmetrically arranged left. The left part of the right swing arm 12 is hinged between the front connecting plate and the rear connecting plate of the right connecting component. The left half slips and the right half slips are convenient to replace according to pipe rods of different specifications, the right half slips and the left half slips are identical in structure and are arranged in a bilateral symmetry mode, the eccentric phenomenon can be avoided after the pipe rods are clamped, and the pipe rods are prevented from being damaged due to bending deformation.
As shown in figure 2, a plurality of vertically arranged expansion grooves 21 with inward openings are distributed at intervals along the circumference on the upper side of the slip teeth 18. The inside diameter of the slip elements 18 may be expanded or reduced to better grip the pipe string.
As shown in fig. 1, 2 and 3, the left connecting rod 3 and the right connecting rod 4 are both L-shaped, the left part of the rocker 5 is provided with a left mounting hole which is through from front to back, the right part of the rocker 5 is provided with a right mounting hole which is through from front to back, the right rear end of the left connecting rod 3 and the right rear end of the right connecting rod 4 are respectively rotatably mounted in the left mounting hole and the right mounting hole, and the left front end of the left connecting rod 3 and the left front end of the right connecting rod 4 are respectively fixedly mounted with the rear end of the left rotating shaft 9 and the rear end of the right rotating shaft 10. According to requirements, the left mounting hole is located at the upper right of the left rotating shaft 9, and the right mounting hole is located at the lower right of the right rotating shaft 10. Therefore, the connecting rod can be quickly connected with the left rotating shaft 9 and the right rotating shaft 10, and the subsequent maintenance is facilitated.
As shown in the attached figures 1, 2 and 3, the front side of the left part of the chuck main body 1 is provided with a left hinge groove with the right end communicated with the notch, the front side of the right part of the chuck main body 1 is provided with a right hinge groove with the left end communicated with the notch, the valve 2 is in a cross shape, the left part of the valve 2 is arranged in the left hinge groove, and the right part of the valve 2 is arranged in the right hinge groove. According to the requirement, a left connecting pin and a right connecting pin which are respectively rotatably arranged at the left part and the right part of the valve 2 are arranged in the left hinge groove and the right hinge groove in a penetrating way. The pipe rod is clamped into the chuck main body 1, so that the notch can be quickly closed, the pipe rod is prevented from falling out of the notch to cause safety accidents, and the valve 2 is convenient and quick to install.
Above technical feature constitutes the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. An electric chuck for well workover is characterized by comprising a chuck main body, a valve, a left half slip, a right half slip, a left connecting rod, a right connecting rod, a rocker and an electric push rod, wherein a channel which is communicated up and down is arranged in the chuck main body, the front side of the chuck main body is provided with a notch communicated with the channel, the front side of the middle part of the chuck main body corresponding to the notch is provided with the valve, the inner side of the middle part of the chuck main body is provided with a conical surface with a big top and a small bottom, a conical surface upper seat is provided with the left half slip and the right half slip which are matched with the conical surface at the outer side of the lower part, the left side of the upper part of the left half slip is fixedly provided with a left connecting component, the right side of the middle part of the chuck main body corresponding to the position of the left connecting component is fixedly provided with a left hinged seat, the right side of the middle part of the chuck main body corresponding to the position of the right connecting component is fixedly provided with a right hinged seat, the left rotating shaft with the rear end positioned behind the left hinged seat is rotatably arranged on the left hinged seat, the left rotating shaft is fixedly provided with a left swing arm with a right end hinged with a left connecting member at the outer side of the middle part of the left rotating shaft, a left connecting rod is fixedly arranged at the rear end of the left rotating shaft, a right rotating shaft with a rear end positioned at the rear end of a right hinged seat is rotatably arranged on the right hinged seat, a right swing arm with a left end hinged with a right connecting member at the outer side of the middle part of the right rotating shaft is fixedly provided with a right connecting rod at the rear end of the right hinged seat, a rocker left part is rotatably connected with the rear end of the left connecting rod, a rocker right part is rotatably connected with the rear end of the right connecting rod, the rear side of the lower part of the chuck body is hinged with an electric push rod, a telescopic rod with a right end hinged with a rocker right end is arranged in the electric push rod, when the telescopic rod stretches out, the left swing arm right end and the right swing arm left end can be driven to swing upwards to keep left half slips and right half slips away from each other, when the telescopic rod retracts, the left swing arm right swing arm left end and the right swing arm left end can be driven to swing downwards to make left end and right swing left end to lean on each other And (4) approaching.
2. The electric chuck for well repair according to claim 1, wherein the fixing seat is fixedly installed at the rear side of the lower portion of the chuck body, a mounting groove with a backward opening is formed at the rear side of the middle portion of the fixing seat, the left end of the electric push rod is hinged to the lower portion of the mounting groove, and a guide groove which penetrates up and down and has a rightward opening is formed at the upper side of the fixing seat corresponding to the position of the rocker.
3. The electric chuck for well repair according to claim 2, wherein a stopper is fixed to the front side of the rocker arm corresponding to the position above the fixing seat.
4. The electric chuck for well repair according to claim 1, 2 or 3, wherein the left half slip comprises a front slip, a rear slip and a slip plate, the front slip and the rear slip are both arc-shaped and symmetrically arranged front and back, the arc-shaped slip plate is fixedly mounted on the inner side of the front slip and the inner side of the rear slip, a plurality of slip teeth distributed up and down at intervals are arranged on the inner wall of the slip plate, the left connecting member comprises a front connecting plate and a rear connecting plate which are arranged front and back at intervals, the right side of the front connecting plate and the right side of the rear connecting plate are fixedly mounted with the left side of the rear slip rear portion and the left side of the rear slip front portion respectively, the right part of the left swing arm is hinged and mounted between the front connecting plate and the rear connecting plate, the right half slip and the left half slip are structurally identical and symmetrically arranged left and right, and the right connecting member and the left connecting member are structurally identical and symmetrically arranged left and right.
5. The electric well-repairing chuck according to claim 4, wherein a plurality of vertically arranged expansion grooves with inward openings are circumferentially distributed at intervals on the upper side of the slip insert.
6. The electric chuck for well repair according to claim 1, 2, 3 or 5, wherein the left and right connecting rods are L-shaped, the left portion of the rocker is provided with a left mounting hole penetrating through the front and back, the right portion of the rocker is provided with a right mounting hole penetrating through the front and back, and the rear ends of the left and right connecting rods are rotatably mounted in the left and right mounting holes, respectively.
7. The electric chuck for well repair of claim 4, wherein the left and right connecting rods are L-shaped, the left portion of the rocker has a left mounting hole extending through the left and right portions of the rocker, the right portion of the rocker has a right mounting hole extending through the right and left portions of the rocker, the right rear end of the left connecting rod and the right rear end of the right connecting rod are rotatably mounted in the left and right mounting holes, respectively, and the left front end of the left connecting rod and the left front end of the right connecting rod are fixedly mounted to the rear end of the left rotating shaft and the rear end of the right rotating shaft, respectively.
8. The electric chuck for well repair according to claim 1, 2, 3, 5 or 7, wherein the front side of the left part of the chuck body is provided with a left hinge groove with the right end communicated with the notch, the front side of the right part of the chuck body is provided with a right hinge groove with the left end communicated with the notch, the valve is in a cross shape, the left part of the valve is arranged in the left hinge groove, and the right part of the valve is arranged in the right hinge groove.
9. The electric chuck for repairing well of claim 4, wherein the left front side of the chuck body is provided with a left hinge groove having a right end communicating with the notch, the right front side of the chuck body is provided with a right hinge groove having a left end communicating with the notch, the valve is cross-shaped, the left portion of the valve is installed in the left hinge groove, and the right portion of the valve is installed in the right hinge groove.
10. The electric chuck for well repair according to claim 6, wherein the left front side of the chuck body is provided with a left hinge groove having a right end communicating with the notch, the right front side of the chuck body is provided with a right hinge groove having a left end communicating with the notch, the shutter has a cross shape, the left portion of the shutter is installed in the left hinge groove, and the right portion of the shutter is installed in the right hinge groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222835807.XU CN217999519U (en) | 2022-10-27 | 2022-10-27 | Electric chuck for well repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222835807.XU CN217999519U (en) | 2022-10-27 | 2022-10-27 | Electric chuck for well repair |
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| Publication Number | Publication Date |
|---|---|
| CN217999519U true CN217999519U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222835807.XU Active CN217999519U (en) | 2022-10-27 | 2022-10-27 | Electric chuck for well repair |
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| CN (1) | CN217999519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118128443A (en) * | 2024-05-10 | 2024-06-04 | 新疆准东石油技术股份有限公司 | Anti-drop pipe clamp for coiled tubing |
-
2022
- 2022-10-27 CN CN202222835807.XU patent/CN217999519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118128443A (en) * | 2024-05-10 | 2024-06-04 | 新疆准东石油技术股份有限公司 | Anti-drop pipe clamp for coiled tubing |
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