CN212406629U - Pipe searching and centering device - Google Patents
Pipe searching and centering device Download PDFInfo
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- CN212406629U CN212406629U CN202020144627.5U CN202020144627U CN212406629U CN 212406629 U CN212406629 U CN 212406629U CN 202020144627 U CN202020144627 U CN 202020144627U CN 212406629 U CN212406629 U CN 212406629U
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Abstract
A pipe searching and centering device comprises a centering blocking clamp, a pipe searching guide component and a pipe searching follow-up frame device II, wherein a pipe searching and centering slideway is arranged on a shackle centering bracket of a vehicle-mounted workover rig, the pipe searching follow-up frame device II is slidably arranged on the pipe searching and centering slideway, and a driving mechanism for driving the pipe searching follow-up frame device II to slide along the pipe searching and centering slideway is arranged on the shackle centering bracket; the pipe searching guide part assembly is arranged on the driven supporting plate, the centering and blocking calipers are arranged on the driven supporting plate through an installation frame, and the cohesion center of the caliper arm coincides with the cohesion centers of the left and right clamping jaws. The pipe searching follow-up frame device II plays a role in setting errors of a stroke distance and an actual oil pipe distance for centering, and a telescopic yielding mechanism is used for diluting the effect of the error resistance; the opening relative range of the pipe searching guide component and the centering blocking caliper covers the extreme state that the oil pipe deviates from the center, the maximum blocking range of the blocking oil pipe is met, and the reliability of the performance of the equipment is ensured.
Description
Technical Field
The utility model relates to a well workover equipment field, especially a seek a tub centering device in petroleum industry.
Background
In general, the center of the lower tubing (with the collar) is displaced indefinitely (due to slip height misalignment of the orifice holder or other factors) from the center of the wellhead (center of the blowout preventer) each time the tubing is pulled. The oil supply pipe is still in a floating condition (greater deviation from the center). The workover rig (a mast lifting type full-automatic workover rig) with the existing structure adopts a structure that a two-way support is integrally connected to a lower mast, a hydraulic control upper shackle device and a centering device are arranged on the two-way support and move through feeding oil cylinders at two ends, and the connection is rigid. The moving distance between the upper shackle clamp and the centering device is from a theoretical fixed value to the center of an orifice, and the lower oil pipe slightly deviates to cause centering problems, so that the machine is frequently stopped, and the installation position is secondarily adjusted to find the center, so that inconvenience is brought to construction.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a following oil pipe excircle location, lead and go up oil pipe, let oil pipe's center coincidence from top to bottom, reach and detain, break out safe and reliable's seek a tub centering device.
The utility model discloses the technical problem that solve is realized through following technical scheme, a seek a tub centering device, its characteristics are:
comprises a centering and blocking caliper for clamping an upper oil pipe, a pipe searching guide component for clamping a lower oil pipe, and a pipe searching follow-up frame device II for fixedly mounting the centering and blocking caliper and the pipe searching guide component,
a pipe searching centering slideway is arranged on a shackle centering bracket of the vehicle-mounted workover rig, a pipe searching follow-up frame device II is slidably arranged on the pipe searching centering slideway, and a driving mechanism for driving the pipe searching follow-up frame device II to slide along the pipe searching centering slideway is arranged on the shackle centering bracket;
the pipe searching follow-up frame device II comprises an active supporting plate arranged on a pipe searching centering slideway, a passive supporting plate is arranged on the active supporting plate, a telescopic yielding mechanism is arranged between the passive supporting plate and the active supporting plate, the telescopic yielding mechanism comprises a vertical telescopic mechanism and a transverse yielding mechanism, the vertical telescopic mechanism comprises a plurality of vertical supporting springs arranged between the active supporting plate and the passive supporting plate, the transverse yielding mechanism comprises a plurality of transverse stopping springs, a vertical middle shaft is downwards arranged in the middle of the passive supporting plate, a circle of annular stopping rings are arranged on the upper surface of the active supporting plate around the middle shaft in a circle, the stopping rings are overlapped with the center of the middle shaft, the transverse stopping springs are radially arranged between the stopping rings and the middle shaft, and a mounting seat connected with a driving mechanism is arranged on the active supporting plate;
the pipe searching guide component is arranged on the driven supporting plate, the centering and blocking calipers are arranged on the driven supporting plate through a mounting frame,
the centering blocking clamp comprises two clamp arms which are hinged with each other, the clamp arms are bent inwards to form a structure which can be mutually clasped, a clamp handle at the rear end of each clamp arm is hinged with a driving arm, the rear end of the driving arm is hinged with the mounting frame through a pin shaft I, the front end of the driving arm is hinged with the clamp handle through a pin shaft II, an oil cylinder for driving the clamp arms to open and close is arranged between the pin shaft I and the pin shaft II,
the pipe searching guide component comprises a middle frame beam fixed with a pipe searching follow-up frame device II, a pipe searching component is arranged in the middle of the middle frame beam,
the pipe searching assembly comprises a left clamping jaw and a right clamping jaw which are mutually embraced, guide rails which are bilaterally symmetrical are arranged on the middle frame beam along the direction of the middle frame beam, a slide rod which can slide along the guide rails is arranged on the guide rails, the front end of the slide rod is respectively connected with the left clamping jaw and the right clamping jaw, a bidirectional hydraulic oil cylinder which drives the slide rod to slide is arranged on the middle frame beam, the rear end of the slide rod is connected with two free ends of the bidirectional hydraulic oil cylinder,
the clasping center of the clamp arm is coincided with the clasping centers of the left and right clamping jaws.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, actuating mechanism include the fixed drive seat that sets up on the centering support of breaking out, fixed drive seat with the mount pad between articulated through two mutual articulated actuating levers, two actuating levers are articulated through the hinge shaft, articulated shaft and break out between the centering support have actuating cylinder.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, fixed drive seat include the base arm, the cylinder bottom and the base arm of driving cylinder are articulated.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and the centering is blocked the opening distance of embracing calliper and is greater than or equal to 500 mm.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, be greater than oil pipe's diameter when the opening of the left jack catch of seeking pipe guide subassembly and right jack catch is opened and shut, hold 1/3 that is less than the oil pipe diameter when tight.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, the height of left jack catch and right jack catch all is more than or equal to 100 mm.
Compared with the prior art, the utility model, when oil pipe skew center, seek a tub follow-up frame device II through two-way hydraulic cylinder chucking oil pipe's external diameter, seek a tub follow-up frame device II and follow the oil pipe external diameter follow-up, block in other words the centering and embrace calliper and have had benchmark (oil pipe external diameter). Therefore, the pipe searching follow-up frame device II plays a role in centering, the error of the stroke distance and the actual distance of the oil pipe is set, and the effect of the error retarding force is diluted by using the self spring structure; the opening of the guide component is larger than the diameter of the oil pipe, the relative range of the opening of the centering and blocking caliper reaches 550mm, the limit state that the oil pipe deviates from the center is covered, the maximum blocking range for blocking the oil pipe is met, and the reliability of the equipment performance is ensured.
Drawings
FIG. 1 is a schematic structural view of a pipe-searching centering device;
FIG. 2 is a schematic structural diagram of a pipe-searching guide assembly;
FIG. 3 is a schematic view of a centering and embracing caliper;
fig. 4 is a diagram of a clamping state of the centering and embracing caliper.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
A pipe searching and centering device comprises a centering and blocking caliper 2 used for clamping an upper oil pipe 1, a pipe searching guide component 4 used for clamping a lower oil pipe 5, and a pipe searching follow-up frame device II used for fixedly mounting the centering and blocking caliper 2 and the pipe searching guide component 4,
a pipe searching centering slideway is arranged on a shackle centering bracket 6 of the vehicle-mounted workover rig, a pipe searching follow-up frame device II is slidably arranged on the pipe searching centering slideway, and a driving mechanism for driving the pipe searching follow-up frame device II to slide along the pipe searching centering slideway is arranged on the shackle centering bracket 6;
the pipe searching follow-up frame device II comprises an active supporting plate 8 arranged on a pipe searching centering slideway, a passive supporting plate 9 is arranged on the active supporting plate 8, a telescopic concession mechanism is arranged between the driven supporting plate 9 and the driving supporting plate 8, the telescopic concession mechanism comprises a vertical telescopic mechanism and a transverse concession mechanism, the vertical telescopic mechanism comprises a plurality of vertical supporting springs 13 arranged between the driving supporting plate and the driven supporting plate, the transverse yielding mechanism comprises a plurality of transverse stopping springs 11, a vertical central shaft 10 is arranged downwards in the middle of the driven supporting plate 9, a ring-shaped anti-return ring 12 is arranged on the upper surface of the driving supporting plate 8 around the central shaft 10, the anti-return ring 12 is superposed with the center of the middle shaft 10, the transverse anti-return spring 11 is radially arranged between the anti-return ring 12 and the middle shaft 10, and the driving support plate 8 is provided with a mounting seat 14 connected with a driving mechanism;
the pipe searching guide component 4 is arranged on a driven supporting plate 9, the centering and holding caliper 2 is arranged on the driven supporting plate 9 through a mounting frame 7,
the centering blocking clamp 2 comprises two clamp arms 21 which are hinged with each other, the clamp arms 21 are bent inwards to form a structure which can be mutually embraced, a clamp handle 22 at the rear end of the clamp arm 21 is hinged with a driving arm 23, the rear end of the driving arm 23 is hinged with the mounting frame 7 through a pin shaft I25, the front end of the driving arm 23 is hinged with the clamp handle 22 through a pin shaft II 26, an oil cylinder 24 for driving the clamp arms 21 to open and close is arranged between the pin shaft I and the pin shaft II,
the pipe searching guide component 4 comprises a middle frame beam 45 fixed with the pipe searching follow-up frame device II, a pipe searching component is arranged in the middle of the middle frame beam 45,
the pipe searching component comprises a left claw 42 and a right claw 41 which are mutually embraced, a guide rail which is symmetrical left and right is arranged on the middle frame beam 45 along the direction of the middle frame beam 45, a slide rod 43 which can slide along the guide rail is arranged on the guide rail, the front end of the slide rod 43 is respectively connected with the left claw 42 and the right claw 41, a two-way hydraulic oil cylinder 44 which drives the slide rod 43 to slide is arranged on the middle frame beam, the rear end of the slide rod 43 is connected with two free ends of the two-way hydraulic oil cylinder 44,
the cohesion center of the clamp arm 21 is superposed with the cohesion centers of the left and right clamping jaws (42, 41).
The driving mechanism comprises a fixed driving seat 17 arranged on the shackle centering bracket 6, the fixed driving seat 17 is hinged with the mounting seat 14 through two mutually hinged driving rods 18, the two driving rods 18 are hinged through a hinged shaft 19, and a driving oil cylinder 16 is hinged between the hinged shaft 19 and the shackle centering bracket.
The fixed driving seat 17 comprises a bottom arm 15, and the bottom of the driving oil cylinder 16 is hinged with the bottom arm 15.
The opening distance of the centering and embracing caliper 2 is more than or equal to 500 mm.
The openings of the left claw 42 and the right claw 41 of the pipe searching guide component 4 are 1/3 which are larger than the diameter of the oil pipe when being opened and closed and smaller than the diameter of the oil pipe when being held tightly.
The height of the left jaw 42 and the right jaw 41 are both greater than or equal to 100 mm.
The working principle of the device is that a driving oil cylinder 16 pushes a driving rod 18, a centering and clamping caliper 2 and a pipe searching guide component 4 to be arranged on a pipe searching follow-up frame device II to form an integral component, the integral component moves towards the left side shown in figure 1 by retracting the rod diameter of the driving oil cylinder 16, and the pipe searching guide component 4 extends to the in-place range of an oil pipe in an opening state. At this time, the pipe searching guide component 4 holds the outer diameter of the oil pipe tightly. The left clamping jaw 42 and the right clamping jaw 41 of the pipe searching guide component 4 are folded towards the center, in the clamping process of the bidirectional hydraulic oil cylinder 44, the pipe searching guide component moves towards the center of the oil pipe to be overlapped through the attachment of the left clamping jaw 42 and the right clamping jaw 41 to the outer diameter of the oil pipe, the center of the oil pipe is consistent with the centers of the left clamping jaw and the right clamping jaw, and the positioning is carried out according to the center of the oil pipe. The centering and blocking caliper 2 and the pipe searching guide component 4 are fixed on the pipe searching follow-up frame device II, and theoretically, the centering and blocking caliper 2 and the pipe searching guide component 4 are overlapped in center. The opening of the pipe searching guide component 4 is larger than the diameter of the oil pipe, the opening of the centering and blocking caliper 2 is relatively large enough, the requirement of pipe centering is completely met, and the control centering of the upper oil pipe on the lower oil pipe (coupling) is realized.
Claims (6)
1. A seek a tub centering device which characterized in that:
comprises a centering and blocking caliper for clamping an upper oil pipe, a pipe searching guide component for clamping a lower oil pipe, and a pipe searching follow-up frame device II for fixedly mounting the centering and blocking caliper and the pipe searching guide component,
a pipe searching centering slideway is arranged on a shackle centering bracket of the vehicle-mounted workover rig, a pipe searching follow-up frame device II is slidably arranged on the pipe searching centering slideway, and a driving mechanism for driving the pipe searching follow-up frame device II to slide along the pipe searching centering slideway is arranged on the shackle centering bracket;
the pipe searching follow-up frame device II comprises an active supporting plate arranged on a pipe searching centering slideway, a passive supporting plate is arranged on the active supporting plate, a telescopic yielding mechanism is arranged between the passive supporting plate and the active supporting plate, the telescopic yielding mechanism comprises a vertical telescopic mechanism and a transverse yielding mechanism, the vertical telescopic mechanism comprises a plurality of vertical supporting springs arranged between the active supporting plate and the passive supporting plate, the transverse yielding mechanism comprises a plurality of transverse stopping springs, a vertical middle shaft is downwards arranged in the middle of the passive supporting plate, a circle of annular stopping rings are arranged on the upper surface of the active supporting plate around the middle shaft in a circle, the stopping rings are overlapped with the center of the middle shaft, the transverse stopping springs are radially arranged between the stopping rings and the middle shaft, and a mounting seat connected with a driving mechanism is arranged on the active supporting plate;
the pipe searching guide component is arranged on the driven supporting plate, the centering and blocking calipers are arranged on the driven supporting plate through a mounting frame,
the centering blocking clamp comprises two clamp arms which are hinged with each other, the clamp arms are bent inwards to form a structure which can be mutually clasped, a clamp handle at the rear end of each clamp arm is hinged with a driving arm, the rear end of the driving arm is hinged with the mounting frame through a pin shaft I, the front end of the driving arm is hinged with the clamp handle through a pin shaft II, an oil cylinder for driving the clamp arms to open and close is arranged between the pin shaft I and the pin shaft II,
the pipe searching guide component comprises a middle frame beam fixed with a pipe searching follow-up frame device II, a pipe searching component is arranged in the middle of the middle frame beam,
the pipe searching assembly comprises a left clamping jaw and a right clamping jaw which are mutually embraced, guide rails which are bilaterally symmetrical are arranged on the middle frame beam along the direction of the middle frame beam, a slide rod which can slide along the guide rails is arranged on the guide rails, the front end of the slide rod is respectively connected with the left clamping jaw and the right clamping jaw, a bidirectional hydraulic oil cylinder which drives the slide rod to slide is arranged on the middle frame beam, the rear end of the slide rod is connected with two free ends of the bidirectional hydraulic oil cylinder,
the clasping center of the clamp arm is coincided with the clasping centers of the left and right clamping jaws.
2. The tube searching and centering device according to claim 1, wherein: actuating mechanism include the fixed drive seat that sets up on the centering support of breaking out, fixed drive seat with the mount pad between articulated through two mutual articulated actuating levers, two actuating levers are articulated through articulated axle, articulated axle and break out to articulate between the centering support has drive cylinder.
3. The tube searching and centering device according to claim 2, wherein: the fixed driving seat comprises a bottom arm, and the bottom of the driving oil cylinder is hinged with the bottom arm.
4. The tube searching and centering device according to claim 1, wherein: the opening distance of the centering and holding caliper is more than or equal to 500 mm.
5. The tube searching and centering device according to claim 1, wherein: and the openings of the left jaw and the right jaw of the pipe searching guide component are opened and closed 1/3 which are larger than the diameter of the oil pipe and smaller than the diameter of the oil pipe when the pipe searching guide component is held tightly.
6. The tube searching and centering device according to claim 1, wherein: the height of the left claw and the height of the right claw are both larger than or equal to 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144627.5U CN212406629U (en) | 2020-01-22 | 2020-01-22 | Pipe searching and centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144627.5U CN212406629U (en) | 2020-01-22 | 2020-01-22 | Pipe searching and centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406629U true CN212406629U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020144627.5U Active CN212406629U (en) | 2020-01-22 | 2020-01-22 | Pipe searching and centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406629U (en) |
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2020
- 2020-01-22 CN CN202020144627.5U patent/CN212406629U/en active Active
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