CN219890338U - Ground oil casing self-running diameter gauge - Google Patents
Ground oil casing self-running diameter gauge Download PDFInfo
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- CN219890338U CN219890338U CN202321182464.XU CN202321182464U CN219890338U CN 219890338 U CN219890338 U CN 219890338U CN 202321182464 U CN202321182464 U CN 202321182464U CN 219890338 U CN219890338 U CN 219890338U
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Abstract
The utility model provides a ground oil casing self-running drift diameter gauge, and relates to the technical field of oilfield casing drift diameter tools. The device comprises an outer shell, a first path testing mechanism and a second path testing mechanism, wherein the outer shell comprises a first end and a second end; the first drift diameter testing mechanism comprises a first sleeve, a first fixing plate, a first fan-shaped sliding plate, a first telescopic piece, a first locking plate, a first connecting ring body, a first spring, a first ejector rod and a first pull rope; the first walking frame is fixed at the first end of the outer shell. The first diameter testing mechanism and the second diameter testing mechanism are adopted, the portable diameter testing plate moves inside the sleeve, when encountering an obstacle, the first telescopic piece is controlled, so that the first diameter testing plate formed by the plurality of first fan-shaped sliding plates and the second diameter testing plate formed by the plurality of second fan-shaped sliding plates are contracted, and the obstacle can be overcome.
Description
Technical Field
The utility model relates to the technical field of oilfield casing drift diameter tools, in particular to a ground oil casing self-running drift diameter gauge.
Background
The conventional diameter means of the oil casing are to put ropes or steel wires tied at two ends of a cylindrical diameter gauge into the oil casing tool to be pulled from one end to the other end so as to check whether the inner diameter of the oil casing tool can be deformed and damaged.
At present, a pipeline robot is adopted to carry a test board to move in an oil sleeve, but once the test board encounters an obstacle, the test board cannot move forward any more, and only the device can be taken out in a way of returning in the original way, so that the checking step is complicated, the workload of workers is increased, and the mode can only detect the obstacle or deformation of the first place and cannot pass the obstacle point to carry out subsequent checking.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the ground oil casing self-running drift diameter gauge, which solves the problems that the existing drift diameter gauge can not move forward once encountering an obstacle and can only take out the device in a way of returning from an original path, so that the checking step is complicated, the workload of workers is increased, and the mode can only detect the obstacle or deformation at the first position and can not pass the obstacle point for subsequent checking.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the ground oil casing self-running diameter gauge comprises an outer shell, a first diameter testing mechanism and a second diameter testing mechanism, wherein the outer shell comprises a first end and a second end;
the walking device also comprises a first walking frame and a second walking frame; the first walking frame is fixed at the first end of the outer shell, and the second walking frame is fixed at the second end of the outer shell;
the first drift diameter testing mechanism comprises a first sleeve, a first fixing plate, a first fan-shaped sliding plate, a first telescopic piece, a first locking plate, a first connecting ring body, a first spring, a first ejector rod and a first pull rope; the first walking frame is far away from one end of the outer shell body and is fixedly connected with a first sleeve, one end of the first sleeve far away from the walking frame is fixedly connected with a first fixed plate, the first telescopic piece is positioned in the first sleeve, the fixed end is fixedly connected with the first walking frame, the movable end is fixedly connected with a first locking plate, the first fixed plate is far away from one side of the first walking frame and is in radial sliding connection with a first fan-shaped sliding plate along the first fixed plate, a plurality of first fan-shaped sliding plates are arranged and distributed in an annular array, one end of a first pull rope is fixedly connected with the first fan-shaped sliding plate, the other end of the first pull rope is fixedly connected with the side face of a telescopic rod of the first telescopic piece, the first fixed plate is far away from one side face of the first walking frame and is fixedly connected with a first connecting ring body, the first connecting ring body is positioned in the center of a plurality of the first fan-shaped sliding plates, one end of a first ejector rod is fixedly connected with the inner side face of the first fan-shaped sliding plate, the other end of the first ejector rod penetrates through the first connecting ring body and corresponds to the first locking plate, one end of the first spring is fixedly connected with the inner side of the first fan-shaped sliding plate, and the other end of the first spring is fixedly connected with the outer side of the first connecting spring;
the second path testing mechanism comprises a second walking frame, a second sleeve, a second fixing plate, a second fan-shaped sliding plate, a second telescopic piece, a second locking plate, a second connecting ring body, a second spring, a second ejector rod and a second pull rope; the one end fixed connection second sleeve of shell body is kept away from to the second walking frame, and the one end fixed connection second fixed plate of second walking frame is kept away from to the second sleeve, the second extensible member is located the inside of second telescopic, and stiff end and second walking frame fixed connection, expansion end and second locking plate fixed connection, the second fan-shaped sliding plate of radial sliding connection second of second fixed plate is kept away from to the second fixed plate side of second walking frame and along the second fixed plate, second fan-shaped sliding plate is provided with a plurality of, is annular array distribution, the one end and the fan-shaped sliding plate fixed connection of second stay cord, the telescopic link side fixed connection of the other end and second extensible member, a side fixed connection second ring body of second walking frame is kept away from to the second fixed plate, and the second connecting ring body is located the center of a plurality of second fan-shaped sliding plates, the inboard fixed connection of one end and second fan-shaped sliding plate of second ejector pin, the other end runs through second connecting ring body and second locking plate corresponds, the one end and the inboard fixed connection of second fan-shaped sliding plate of second spring, the other end and the outside fixed connection of second spring.
Preferably, the side of first walking frame is provided with the drive wheel, the side rotation of first walking frame is connected with the tensioning frame, and the axis of first walking frame and tensioning frame is crossing, the top of tensioning frame is provided with the take-up pulley, be provided with elastic support bar between tensioning frame and the side of first walking frame.
Preferably, the elastic supporting rod comprises a cylinder body and a fixing rod, a first connecting piece is arranged at the top end of the cylinder body and is movably connected with the tensioning frame, one end of the fixing rod extends into the cylinder body, a third spring is arranged between the end part of the fixing rod and the inner end part of the cylinder body, a second connecting piece is fixedly connected with the other end of the fixing rod, a first connecting seat is fixedly connected with the side face of the first walking frame, and the second connecting piece is rotatably connected with the first connecting seat.
Preferably, a battery module and a driving module are arranged at the top of the outer shell, a first bevel gear is arranged at the output end of the driving module, a second bevel gear is fixedly connected to a rotating shaft of the driving wheel, and the first bevel gear and the second bevel gear are in meshed transmission.
Preferably, the driving module is a remotely controllable driving motor, and the battery module supplies power to the driving module.
Preferably, a first gap is formed between two adjacent first sector sliding plates, and a first sector rubber plate is fixedly connected to the end face of the first fixing plate and positioned at the inner side of the first gap;
a second gap is formed between two adjacent second sector sliding plates, and a second sector rubber plate is fixedly connected to the end face of the second fixing plate and positioned on the inner side of the second gap.
Preferably, a first sliding groove is formed in the end portion of the first fixing plate, and a first sliding block is fixedly connected to the end face of the first sector-shaped sliding plate and located in the first sliding groove;
the end of the second fixed plate is provided with a second sliding groove, and a second sliding block is fixedly connected to the end face of the second fan-shaped sliding plate and positioned in the second sliding groove.
The utility model provides a ground oil casing pipe self-running diameter gauge. The beneficial effects are as follows:
1. when the first telescopic piece and the second telescopic piece are controlled to move in the sleeve and meet an obstacle, the first pull rope and the second pull rope are pulled backwards to respectively drive the first fan-shaped sliding plates and the second fan-shaped sliding plates to slide inwards, so that the second channel-shaped testing plates formed by the first fan-shaped sliding plates and the second fan-shaped sliding plates can be contracted and can cross the obstacle, after the obstacle is met, the first telescopic piece and the second telescopic piece are stretched out again to release the first pull rope and the second pull rope, the first fan-shaped sliding plates slide outwards under the action of the first spring, the second fan-shaped sliding plates slide outwards under the action of the second spring to enable the first fan-shaped sliding plates and the first ejector rod structure and the second locking plate and the second ejector rod structure to be tightly attached to the inner wall of a pipeline, and when the first telescopic piece and the second telescopic piece are stretched out, the first fan-shaped sliding plates and the second fan-shaped sliding plates can be limited to form a good locking effect.
2. According to the utility model, the first travelling frame adopts the structure of the bottom driving wheel and the top tensioning wheel, and can cope with sleeves with different inner diameters, and the tensioning frame is rotated upwards or downwards under the action of the elastic supporting rod, so that the tensioning wheel is always attached to the inner diameter of the sleeve, and normal travelling is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a top view of the present utility model;
FIG. 5 is a schematic perspective view of a first diameter test plate;
FIG. 6 is a schematic perspective view of a second diameter test plate;
FIG. 7 is a schematic perspective view of a first carriage of the present utility model;
fig. 8 is a schematic view of the driving wheel structure of the present utility model.
1, a first walking frame; 2. an outer housing; 3. a battery module; 4. a driving module; 41. bevel gears I; 5. a driving wheel; 51. bevel gears II; 6. a tensioning frame; 7. a tensioning wheel; 8. an elastic strut; 81. a first connecting piece; 82. a cylinder; 83. a third spring; 84. a fixed rod; 85. a second connecting piece; 86. a first connecting seat; 9. a first sleeve; 10. a first fixing plate; 11. a first fan-shaped sliding plate; 12. a first telescopic member; 13. a first locking plate; 14. a first connection ring body; 15. a first spring; 16. a first ejector rod; 17. a first fan-shaped rubber plate; 18. a first sliding groove; 19. a first slider; 20. a first pull rope; 21. a second walking frame; 22. a second sleeve; 23. a second fixing plate; 24. a second fan-shaped sliding plate; 25. a second telescopic member; 26. a second locking plate; 27. a second connecting ring body; 28. a second spring; 29. a second ejector rod; 30. a second fan-shaped rubber plate; 31. a second sliding groove; 32. a second slider; 33. and a second pull rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1, the embodiment of the utility model provides a ground oil casing self-running diameter gauge, which comprises a first running frame 1, an outer casing 2, a first diameter testing mechanism, a second diameter testing mechanism and a second running frame 21, wherein the outer casing 2 comprises a first end and a second end, the outer casing 2 is in a long cylinder shape, and can be inserted into the ground oil casing along the length direction.
The first running frame 1 is fixed to a first end of the outer casing 2, and the second running frame 21 is fixed to a second end of the outer casing.
Referring to fig. 1 to 5, the first path testing mechanism includes a first sleeve 9, a first fixing plate 10, a first fan-shaped sliding plate 11, a first telescopic member 12, a first locking plate 13, a first connecting ring 14, a first spring 15, a first ejector rod 16, and a first pull rope 20; the first walking frame 1 is far away from the first sleeve 9 of one end fixed connection of the shell body 2, the first sleeve 9 is far away from the first fixed plate 10 of one end fixed connection of the first walking frame 1, the first telescopic piece 12 is located in the first sleeve 9, the first telescopic piece 12 has telescopic part and fixed part, the telescopic part slides axially relative to the fixed part, wherein, the fixed end is fixedly connected with the first walking frame 1, the movable end is fixedly connected with the first locking plate 13, the first fixed plate 10 is far away from one side of the first walking frame 1 and is connected with the first fan-shaped sliding plate 11 along the radial sliding of the first fixed plate 10, the first fan-shaped sliding plates 11 are provided with a plurality of ring-shaped arrays, when the ring-shaped arrays slide along the radial sliding, the circular outline size formed by the plurality of the first fan-shaped sliding plates 11 can be changed, the ring-shaped first locking plate comprises two shapes, one is circular with the diameter larger than the first fixed plate 10, the other part is in an irregular ring shape, but all parts of the first fixing plate 10 are positioned right in front of the first fixing plate 10, one end of the first pull rope 20 is fixedly connected with the first fan-shaped sliding plate 11, the other end of the first pull rope 20 is fixedly connected with the side face of the telescopic rod of the first telescopic piece 12, one end of the first pull rope 20 can be driven by the telescopic rod of the first telescopic piece 12 to retract, the other end of the first pull rope is further inwards tightened to drive the first fan-shaped sliding plate 11 to slide inwards, one side face of the first fixing plate 10, far away from the first walking frame 1, is fixedly connected with the first connecting ring body 14, the first connecting ring body 14 is positioned at the center of the plurality of first fan-shaped sliding plates 11, one end of the first ejector rod 16 is fixedly connected with the inner side of the first fan-shaped sliding plate 11, the other end of the first spring 15 penetrates through the first connecting ring body 14 to correspond to the first locking plate 13, the other end of the first spring 15 is fixedly connected with the outer side surface of the first connecting ring body 14. In the embodiment presented in fig. 1, 3 first sector-shaped slide plates 11 constitute a ring-shaped first path test plate.
Under the action of the first spring 15, the first fan-shaped sliding plate 11 has a trend of sliding outwards, so that the outer side edge of the first fan-shaped sliding plate 11 is always attached to the inner wall of the pipeline, and the drift diameter effect is very good.
In the practical use process, the first fan-shaped sliding plate 11 has an elastic space which slides outwards, but the inner side is limited by the first ejector rod 16 and the first locking plate 13, so that the first fan-shaped sliding plate has an innermost movement limitation, and the effect of the drift diameter is ensured.
Referring to fig. 1 to 4 and 6, the second path testing mechanism includes a second sleeve 22, a second fixing plate 23, a second fan-shaped sliding plate 24, a second telescopic member 25, a second locking plate 26, a second connecting ring 27, a second spring 28, a second ejector rod 29, and a second pull rope 33; one end of the second walking frame 21 far away from the outer shell 2 is fixedly connected with the second sleeve 22, one end of the second sleeve 22 far away from the second walking frame 21 is fixedly connected with the second fixing plate 23, the second telescopic piece 25 is located in the second sleeve 22, the fixed end is fixedly connected with the second walking frame 21, the movable end is fixedly connected with the second locking plate 26, the second fixing plate 23 is far away from one side surface of the second walking frame 21 and is connected with the second fan-shaped sliding plate 24 in a sliding manner along the radial direction of the second fixing plate 23, a plurality of second fan-shaped sliding plates 24 are arranged and distributed in an annular array, one end of the second stay cord 33 is fixedly connected with the second fan-shaped sliding plate 24, the other end of the second stay cord 33 is fixedly connected with the telescopic rod side surface of the second telescopic piece 25, one side surface of the second fixing plate 23 far away from the second walking frame 21 is fixedly connected with the second connecting ring body 27, the second connecting ring body 27 is located in the center of the plurality of second fan-shaped sliding plates 24, one end of the second ejector rod 29 is fixedly connected with the inner side of the second fan-shaped sliding plate 24, the other end penetrates through the second connecting ring body 27 to correspond to the second locking plate 26, and the other end of the second fan-shaped sliding plate 28 is fixedly connected with the outer side of the second ring body 28 of the second spring 28. In the embodiment presented in fig. 1, 3 second sector slide plates 24 constitute a ring-shaped second path test plate.
Referring to fig. 1-8, a driving wheel 5 is arranged on the side surface of the first walking frame 1, a tensioning frame 6 is rotatably connected to the top of the first walking frame 1, the axis of the tensioning frame 6 is intersected with the axis of the first walking frame 1, a tensioning wheel 7 is arranged at the top end of the tensioning frame 6, an elastic supporting rod 8 is arranged between the tensioning frame 6 and the side surface of the first walking frame 1, the elastic supporting rod 8 always provides an upward elastic force for the tensioning frame 6, so that the tensioning frame 6 is lifted upwards, and the tensioning wheel 7 is propped against the inner wall of the pipe sleeve.
Referring to fig. 1-8, the elastic supporting rod 8 comprises a cylinder 82 and a fixing rod 84, wherein a first connecting piece 81 is arranged at the top end of the cylinder 82, the first connecting piece 81 is movably connected with the tensioning frame 6, one end of the fixing rod 84 stretches into the cylinder 82, a third spring 83 is arranged between the end of the fixing rod 84 and the inner end of the cylinder 82, the other end of the fixing rod 84 is fixedly connected with a second connecting piece 85, a first connecting seat 86 is fixedly connected with the side face of the first walking frame 1, the second connecting piece 85 is rotatably connected with the first connecting seat 86, two end parts of the elastic supporting rod 8 are movably connected, then the fixing rod 84 and the cylinder 82 can slide relatively, and the elastic stretching function can be achieved by means of the third spring 83.
The top of the outer shell 2 is provided with a battery module 3 and a driving module 4, the output end of the driving module 4 is provided with a first bevel gear 41, a second bevel gear 51 is fixedly connected to a rotating shaft of the driving wheel 5, the first bevel gear 41 and the second bevel gear 51 are in meshed transmission, a reduction gear set is arranged in the driving module 4, power is transmitted to the first bevel gear 41 through the reduction gear set, then the second bevel gear 51 is driven to rotate, and further the driving wheel 5 is driven to rotate, so that movement of the device is achieved.
The battery module 3 supplies power to the driving module 4, the driving module 4 is a remotely controllable driving motor, and a user can remotely control the driving module 4 to move and control the device to move.
Referring to fig. 5, a first slit opening is provided between two adjacent first sector sliding plates 11, and a first sector rubber plate 17 is fixedly connected to the end surface of the first fixing plate 10 and located inside the first slit opening.
Referring to fig. 6, a second slit opening is provided between two adjacent second fan-shaped sliding plates 24, and a second fan-shaped rubber plate 30 is fixedly connected to the end surface of the second fixing plate 23 and located inside the second slit opening.
Referring to fig. 5, a first sliding groove 18 is formed at an end of the first fixing plate 10, and a first sliding block 19 is fixedly connected to an end surface of the first fan-shaped sliding plate 11 and located inside the first sliding groove 18;
referring to fig. 6, a second sliding groove 31 is formed at an end of the second fixing plate 23, and a second sliding block 32 is fixedly connected to an end surface of the second fan-shaped sliding plate 24 and located inside the second sliding groove 31.
Working principle: when the device is used, the device is placed in the sleeve, and then the remote control driving module 4 acts to drive the driving wheel 5 to rotate, so that the first diameter test board and the second diameter test board are pushed to move in the sleeve.
When encountering an obstacle, the first telescopic piece 12 is controlled to act, the first locking plate 13 is pulled inwards, one end of the first pull rope 20 is driven to move, the other end of the first locking plate is pulled to slide inwards, the diameter of a first drift diameter test plate formed by the plurality of first sector sliding plates 11 is reduced, after the obstacle is overcome, the first telescopic piece 12 is moved to stretch out, namely, the pulling force of the first pull rope 20 is released, under the action of the first spring 15, the first sector sliding plate 11 is pushed to slide outwards, the outer side face of the first sector sliding plate 11 is attached to the inner side wall of the oil sleeve, the first locking plate 13 extends to the central position of the first ejector rod 16, and the first sector sliding plate 11 can be limited to slide inwards.
Similarly, the working principle of the second path testing mechanism is the same as that of the first path testing mechanism.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a ground oil casing is drift diameter gauge by oneself, includes shell body, first drift diameter testing mechanism and second drift diameter testing mechanism, the shell body includes first end and second end, its characterized in that:
the walking device also comprises a first walking frame and a second walking frame; the first walking frame is fixed at the first end of the outer shell, and the second walking frame is fixed at the second end of the outer shell;
the first drift diameter testing mechanism comprises a first sleeve, a first fixing plate, a first fan-shaped sliding plate, a first telescopic piece, a first locking plate, a first connecting ring body, a first spring, a first ejector rod and a first pull rope; the first walking frame is far away from one end of the outer shell body and is fixedly connected with a first sleeve, one end of the first sleeve far away from the walking frame is fixedly connected with a first fixed plate, the first telescopic piece is positioned in the first sleeve, the fixed end is fixedly connected with the first walking frame, the movable end is fixedly connected with a first locking plate, the first fixed plate is far away from one side of the first walking frame and is in radial sliding connection with a first fan-shaped sliding plate along the first fixed plate, a plurality of first fan-shaped sliding plates are arranged and distributed in an annular array, one end of a first pull rope is fixedly connected with the first fan-shaped sliding plate, the other end of the first pull rope is fixedly connected with the side face of a telescopic rod of the first telescopic piece, the first fixed plate is far away from one side face of the first walking frame and is fixedly connected with a first connecting ring body, the first connecting ring body is positioned in the center of a plurality of the first fan-shaped sliding plates, one end of a first ejector rod is fixedly connected with the inner side face of the first fan-shaped sliding plate, the other end of the first ejector rod penetrates through the first connecting ring body and corresponds to the first locking plate, one end of the first spring is fixedly connected with the inner side of the first fan-shaped sliding plate, and the other end of the first spring is fixedly connected with the outer side of the first connecting spring;
the second path testing mechanism comprises a second walking frame, a second sleeve, a second fixing plate, a second fan-shaped sliding plate, a second telescopic piece, a second locking plate, a second connecting ring body, a second spring, a second ejector rod and a second pull rope; the one end fixed connection second sleeve of shell body is kept away from to the second walking frame, and the one end fixed connection second fixed plate of second walking frame is kept away from to the second sleeve, the second extensible member is located the inside of second telescopic, and stiff end and second walking frame fixed connection, expansion end and second locking plate fixed connection, the second fan-shaped sliding plate of radial sliding connection second of second fixed plate is kept away from to the second fixed plate side of second walking frame and along the second fixed plate, second fan-shaped sliding plate is provided with a plurality of, is annular array distribution, the one end and the fan-shaped sliding plate fixed connection of second stay cord, the telescopic link side fixed connection of the other end and second extensible member, a side fixed connection second ring body of second walking frame is kept away from to the second fixed plate, and the second connecting ring body is located the center of a plurality of second fan-shaped sliding plates, the inboard fixed connection of one end and second fan-shaped sliding plate of second ejector pin, the other end runs through second connecting ring body and second locking plate corresponds, the one end and the inboard fixed connection of second fan-shaped sliding plate of second spring, the other end and the outside fixed connection of second spring.
2. The ground oil casing self-running diameter gauge of claim 1, wherein: the side of first walking frame is provided with the drive wheel, the side of first walking frame rotates and is connected with the tensioning frame, and the walking frame intersects with the axis of tensioning frame, the top of tensioning frame is provided with the take-up pulley, be provided with elastic support pole between tensioning frame and the side of first walking frame.
3. The ground oil casing self-running diameter gauge of claim 2, wherein: the elastic support rod comprises a cylinder body and a fixing rod, wherein a first connecting piece is arranged at the top end of the cylinder body and is movably connected with the tensioning frame, one end of the fixing rod extends into the cylinder body, a third spring is arranged between the end part of the fixing rod and the inner end part of the cylinder body, a second connecting piece is fixedly connected with the other end of the fixing rod, a first connecting seat is fixedly connected with the side face of the first walking frame, and the second connecting piece is rotatably connected with the first connecting seat.
4. A ground oil casing self-running diameter gauge according to claim 3, wherein: the top of the outer shell is provided with a battery module and a driving module, the output end of the driving module is provided with a first bevel gear, a second bevel gear is fixedly connected to a rotating shaft of the driving wheel, and the first bevel gear and the second bevel gear are in meshed transmission.
5. The ground oil casing self-running diameter gauge according to claim 4, wherein: the driving module is a remotely controllable driving motor, and the battery module supplies power for the driving module.
6. The ground oil casing self-running diameter gauge of claim 1, wherein: a first gap opening is formed between two adjacent first sector sliding plates, and a first sector rubber plate is fixedly connected to the end face of the first fixing plate and positioned at the inner side of the first gap opening;
a second gap is formed between two adjacent second sector sliding plates, and a second sector rubber plate is fixedly connected to the end face of the second fixing plate and positioned on the inner side of the second gap.
7. The ground oil casing self-running diameter gauge of claim 1, wherein: the end part of the first fixed plate is provided with a first sliding groove, and a first sliding block is fixedly connected to the end surface of the first fan-shaped sliding plate and positioned in the first sliding groove;
the end of the second fixed plate is provided with a second sliding groove, and a second sliding block is fixedly connected to the end face of the second fan-shaped sliding plate and positioned in the second sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182464.XU CN219890338U (en) | 2023-05-16 | 2023-05-16 | Ground oil casing self-running diameter gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182464.XU CN219890338U (en) | 2023-05-16 | 2023-05-16 | Ground oil casing self-running diameter gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890338U true CN219890338U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321182464.XU Active CN219890338U (en) | 2023-05-16 | 2023-05-16 | Ground oil casing self-running diameter gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890338U (en) |
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2023
- 2023-05-16 CN CN202321182464.XU patent/CN219890338U/en active Active
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