CN112276885A - Radial operation platform for test pipe fitting - Google Patents
Radial operation platform for test pipe fitting Download PDFInfo
- Publication number
- CN112276885A CN112276885A CN202011095666.1A CN202011095666A CN112276885A CN 112276885 A CN112276885 A CN 112276885A CN 202011095666 A CN202011095666 A CN 202011095666A CN 112276885 A CN112276885 A CN 112276885A
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- Prior art keywords
- test pipe
- fixed
- circumferential
- pipe fitting
- test
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a radial operating platform for a test pipe fitting, which comprises: the working frame and the annular mapping device arranged on the working frame comprise an annular fixing frame for fixing the test pipe fitting, a dial which is arranged on the annular fixing frame and provided with circumferential scales, an axis calibration device for adjusting the axis of the test pipe fitting, and a pen holder for drawing marks in the annular direction of the test pipe fitting; and the temporary placing device is used for placing the test pipe which is not used temporarily or has completed part of the pretreatment operation. The invention integrates the functions of circumferential measurement and drawing of the test pipe on one working frame, not only can complete the circumferential measurement work of the test pipe, but also has the functions of circumferential drawing points and drawing lines, and completes the circumferential outline drawing work of the outer surface of the test pipe in a flow manner.
Description
Technical Field
The invention relates to the field of pretreatment of test components, in particular to an operating platform for realizing automatic line drawing processing on the annular direction of a test pipe fitting.
Background
In recent years, reserves are continuously reduced along with continuous exploration of oil and gas resources on land and offshore, but with the development of global economy and the continuous increase of population, the demand of the oil and gas resources is steadily increased, therefore, the deep sea oil and gas field development is more and more emphasized, the riser system and the submarine pipeline are used as the foundation structure of the deep sea oil and gas field development system, has multiple purposes in the development of marine oil and gas fields, but has the problems that marine risers and submarine pipelines are easy to bend and spread under the actions of seawater corrosion, deep sea ultrahigh pressure and the like, therefore, the development of relevant theory and experimental research such as bending and bending propagation of the riser and the submarine pipeline has very important significance, and before relevant experiments are developed, pretreatment, namely drawing of the outer surface contour line and other work on the test pipe is needed to determine a measuring point, so that preparation is made for subsequent work such as sticking of a strain gauge of the test pipe, measurement of the appearance (such as ovality and the like).
At present, the related technologies of the pretreatment of the test pipe, namely drawing of the outline of the outer surface are less, and especially when the end part of the test pipe is not smooth, the coincidence of the axis of the pipe and the axis of a positioning tip cone is difficult to ensure, so that the rotation angle of a turntable and the rotation angle of the pipe are deviated, and further the circular drawing point error of the pipe is caused; in addition, because of the no locking device of marking pen, lead to pipe fitting ring direction to draw the line incomplete or difficult to carry out.
Disclosure of Invention
The invention aims to provide an operation platform for realizing automatic line drawing processing on the annular direction of a test pipe fitting.
Specifically, the invention provides a radial operating platform for a test pipe fitting, which comprises:
the working frame is used for providing a drawing space and comprises a support frame, a table top and a placing table, wherein the table top and the placing table are fixed on the support frame at intervals up and down;
the circumferential surveying and mapping device is arranged on the table top and used for realizing circumferential measurement and line drawing on the test pipe fitting, and comprises a circumferential fixing frame for fixing the test pipe fitting, a dial which is arranged on the circumferential fixing frame and provided with circumferential scales, an axis calibration device for adjusting the axis of the test pipe fitting, and a pen rack for drawing marks in the circumferential direction of the test pipe fitting;
and the temporary placing device is arranged on the table top and is used for placing the test pipe which is not used temporarily or has completed part of the pretreatment operation.
The invention integrates the functions of circumferential measurement and drawing of the test pipe on one working frame, not only can complete the circumferential measurement work of the test pipe, but also has the functions of circumferential drawing points and drawing lines, realizes the flow of circumferential contour line drawing on the outer surface of the test pipe, and leads the circumferential pretreatment work of the test pipe to be rapid and efficient. By calibrating the axis of the test pipe, the accuracy of circumferential measurement of the test pipe can be improved, and the accuracy of circumferential drawing points and lines of the test pipe is ensured; through a plurality of fixing and locking devices, the accuracy of the test pipe fitting in circumferential measurement, point drawing and line drawing is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a pretreatment operation platform according to an embodiment of the present invention;
FIG. 2 is a schematic view of a support structure of a temporary placement device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a circumferential fixing frame according to an embodiment of the present invention;
FIG. 4 is a schematic view of a screw lock configuration according to an embodiment of the present invention;
FIG. 5 is a schematic view of a shaft center calibration device according to an embodiment of the present invention;
FIG. 6 is a schematic view of an adjustment device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a brake apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a pen stand configuration according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a line drawing control device according to an embodiment of the present invention;
Detailed Description
The detailed structure and implementation process of the present solution are described in detail below with reference to specific embodiments and the accompanying drawings. It should be noted that all screw lock structures in the present invention are consistent, and therefore, after the structure of one screw lock is described in detail, the description thereof will not be repeated.
As shown in fig. 1, in one embodiment of the present invention, a radial operation platform for testing pipe fittings is disclosed, which comprises a work frame 1, a circumferential mapping device 3 and a temporary placing device 4.
The working frame 1 is used for providing a drawing space for a test tube, and comprises a frame consisting of four support frames 11, a table top 12 and a placing table 13, wherein the table top 12 and the placing table are fixed on the support frames 11 at intervals up and down; the table top 12 is used for mounting a corresponding drawing device, and the rest 13 may be used for placing various tools or parts.
The hoop surveying and mapping device 3 is installed on one side of the table top 12 and used for realizing hoop drawing to the test pipe fitting, and comprises a hoop fixing frame 31 for fixing the test pipe fitting, a dial 32 with circumferential scales and an axis calibration device 33 for adjusting the axis of the test pipe fitting, and a pen holder 34 for drawing marks on the hoop of the test pipe fitting.
As shown in fig. 2, the temporary placement device 4 is mounted on the table 12 and on the side of the circumferential mapping device 3 for placing test tubulars that are not temporarily used. The specific temporary placing device 4 generally comprises a plurality of groups of placing racks arranged in pairs, wherein the placing racks are spaced and arranged in parallel, each group of placing racks comprises two supports 41 with the same structure but different spacing distances, the supports 41 comprise bases 411 fixed perpendicular to the table top 12 and concave pipe holders 412 fixed at the top ends of the bases 411, and the spacing distances between the supports 41 in each group of placing racks are different. When a plurality of test pipes exist, the test pipes can be placed on different shelf racks according to the length.
When the circumferential direction of the test pipe fitting needs to be drawn and measured, the two ends of the test pipe fitting are fixed on the circumferential direction fixing frame 31, the axis of the test pipe fitting is adjusted to be consistent with the axis of the dial 32 by the axis calibration device 33, and then the circumferential direction position of the test pipe fitting corresponding to the dial 32 is drawn by the line drawing pen on the pen rack 34.
The embodiment concentrates the functions of circumferential measurement and drawing of the test pipe on one working frame, can complete the circumferential measurement work of the test pipe and has the functions of circumferential drawing points and drawing lines to complete the circumferential outline drawing work of the outer surface of the test pipe in a flow manner. The pretreatment work of the test pipe fitting is quick and efficient. By calibrating the axis of the test pipe, the accuracy of circumferential measurement of the test pipe can be improved, and the accuracy of circumferential drawing points and lines of the test pipe is further ensured; through a plurality of fixing and locking devices, the accuracy of the test pipe fitting in circumferential measurement, point drawing and line drawing is determined.
In one embodiment of the present invention, the supporting frame 11 between the table 12 and the rest 13 of the specific work frame 1 is a hydraulic rod structure capable of being lifted, and a handle 16 for conveniently pushing the work frame 1 to move and a switch 17 for controlling the lifting of the hydraulic rod are arranged on one side of the table 12. In order to facilitate the integral movement and parking of the workbench 1, universal wheels 14 with brake pads 15 are installed at the bottom of the workbench 1. After the workbench 1 has the lifting and movable functions, the storage, measurement and line drawing operations of the test pipe fittings can be adapted to different heights in different places, and the usability is improved.
As shown in fig. 3, in an embodiment of the present invention, the ring-shaped fixing frame 31 includes a ring-shaped sliding rail 311 fixed on the table 12, two ring-shaped sliding bases 312 slidably engaged with the ring-shaped sliding rail 311, and bearing seats 313 fixed on each ring-shaped sliding base 312 to serve as fixing bases, and the ring-shaped sliding bases 312 are provided with screw locks 314 capable of fixing the ring-shaped sliding bases 312 at any position.
The bearing seats 313 are provided with through holes 315 for the end portions of the test tubes to pass through, bearings 316 are fixed in the through holes 315, the outer rings of the bearings 316 are fixed to the inner surfaces of the through holes 315, the axis calibration devices 33 are respectively fixed to the ends of the two bearing seats 313 away from each other, and the dial plate 32 is located around the through holes 315 on the side of the bearing seats 313 facing the axis calibration devices 33.
As shown in fig. 4, the screw lock 314 has the structure: a threaded hole opposite to the axial slide rail 311 is arranged on one side of the slide block 312, a screw 2151 is screwed in the threaded hole, a flexible extrusion pad 2152 is installed at one end of the screw 2151 close to the axial slide rail 311, and a rotating button 2153 convenient for screwing the screw 2151 is fixed at one end far away from the axial slide rail 311. When the sliding block 312 is moved to a predetermined position, the rotating button 2153 is screwed to make the flexible pressing pad 2152 contact and press against the axial sliding rail 311, so that the sliding block 312 is locked with respect to the axial sliding rail 311.
When the device is used, two ends of a test pipe are respectively inserted into the through holes 315 on the bearing seat 313, then the two annular sliding seats 312 are fixed by the screw lock 314, the axes of the two ends of the test pipe are calibrated by the axis calibration device 33, the axes of the two ends of the test pipe are superposed with the axis of the dial 32, and then the positions of the line drawing pen on the pen rack 34 on the annular direction of the test pipe can be used for drawing lines or drawing points.
As shown in fig. 5, the specific axis calibration device 33 includes a stepped cylindrical tube 331, a section of the cylindrical tube 331 with a small diameter is fixed to the inner ring of the bearing 316 in the through hole 315, and three adjusting devices 317 for adjusting the position of the end of the test tube relative to the axis are respectively disposed in a section of the tube wall with a large diameter at intervals of 120 degrees.
As shown in fig. 6, each adjusting device 317 comprises a rectangular push block 3171 with a slope shape 3172 on one side, a rotating handle 3174 connected with a screw 3173, and a push rod 3175 with a ball 3176 on one end and an arc-shaped pipe bracket 3177 fixed on the other end; an inner ring is arranged at one end of the screw 3173 close to the rotating handle 3174 and is fixed with the screw 3173, an outer ring is in sliding contact with a bearing 3178 on the inner surface of the pipe wall of the cylindrical pipe 331, the other end of the screw 3173 is in threaded connection with one end of the push block 3171 far away from the slope 3172, the ball 3176 is in contact with the slope 3172 of the push block 3171, the moving direction of the arc pipe support 3177 is vertical to the axial lead of the cylindrical pipe 331, and a pointer 3179 is arranged on the cylindrical pipe 331 in the direction towards the dial 32 on the bearing seat 313.
The side wall of the push block 3171 is provided with a ball 3180, which can reduce the friction effect between the push block 3171 and the installation channel in the cylindrical tube 331.
The end part of the test pipe inserted into the bearing seat 313 passes through the thin diameter section of the cylindrical pipe 331 and then enters the thick diameter section, the arc pipe support 3177 of the adjusting device 317 is contacted with the outer surface of the end part of the inserted test pipe, the screw 3173 is driven to rotate by rotating the rotating handle 3174, and then the rectangular push block 3171 is pushed to move in the mounting groove by using the thread, when the rectangular push block 3171 moves forwards, the slope 3172 at the end part pushes the contacted ball 3176 to move towards the top of the slope 3172, and then the pushing support rod 3175 and the arc pipe support 3177 are driven to be attached to the direction of the test pipe, so that the axis of the test pipe can move towards the direction far away from the thrust direction; when the rocking handle 3174 is rotated reversely, the rectangular push block 3171 is driven by the screw 3173 to move towards the direction of the rocking handle 3174, and the ball 3176 in contact with the end slope 3172 drives the push supporting rod 3175 to move towards the bottom of the slope 3172, so that the push supporting rod 3175 drives the arc pipe support 3177 to move towards the direction far away from the test pipe fitting; the axis of the test pipe can be finally superposed with the axis of the dial plate 32 by adjusting the three adjusting devices 317, and the three adjusting devices can be locked after the test pipe is adjusted in place, so that the test pipe is prevented from moving.
After the test pipe fitting is adjusted in place, the pointer 3179 on the cylindrical tube 331 can point to any angle of the dial 32 by rotating the cylindrical tube 331, and at the moment, the circular drawing line or drawing point of the test pipe fitting can be completed by using the pen rack 34.
As shown in fig. 7, further, in order to prevent the test tube member from moving during the line drawing process, a stopper 318 for limiting the rotation of the cylindrical tube 331 is fixed on the bearing seat 313, the stopper 318 includes a connecting arm 3181 having one end fixed on the outer surface of the bearing seat 313, the other end of the connecting arm 3181 extending to the large diameter section of the cylindrical tube 331, a fixing seat 3182 fixed on the other end of the connecting arm 3181 and having a through threaded hole therein, a rocking handle 3184 passing through the threaded hole by a screw 3183, and a stopper 3185 fixed on the other end of the screw 3183 and close to the cylindrical tube 331, and a bearing 3186 is installed at one end close to the rocking handle, and the function thereof is consistent with the function of the aforementioned bearing 2146 and is not repeated.
When the rocking handle 3184 drives the screw 3183 to rotate, the stopping piece 3185 at the other end is driven to contact with or separate from the cylindrical tube 331, so that the rotation of the cylindrical tube 331 can be limited when needed, when the cylindrical tube 331 is in a limited state, circumferential drawing lines or drawing points can be carried out on the surface of the cylindrical tube 331, and the drawing precision can be improved.
As shown in FIG. 8, in one embodiment of the present invention, the specific pen stand 34 may include a vertical slide rail 341 vertically fixed on the upper surface of the bearing seat 313, a vertical slide block 342 mounted on the vertical slide rail 341 and having a screw lock 343, an inner rail lock block 344 fixedly connected to the vertical slide block 342, and a line drawing control device 35 and a line drawing pen 36 mounted in the inner rail lock block 344.
The vertical slider 342 can move up and down on the vertical slide rail 341, so as to realize the up and down movement of the line drawing pen 36, and the vertical slider 342 can be fixed at any position of the vertical slide rail 341 by the screw lock 343. After being switched by the inner rail lock block 344, the line drawing pen 36 is positioned on the surface of the bearing seat 313 away from the dial 32, so that the line drawing pen can directly draw lines or draw points on the clamped test pipe. The inner rail lock 344 is hollow and has a rectangular opening 345 at one side, and the opening is located at the other side opposite to the vertical sliding rail 341.
As shown in fig. 9, the thread drawing control device 35 includes a pen holder 351 inserted into the inner rail lock 344 from the opening 345 thereof, and a button 352 inserted into the inner space of the inner rail lock 344 through a through hole formed at the upper portion of the inner rail lock 344 and fixed to the upper portion of the pen holder 351, wherein a through hole 353 is formed at a position of the pen holder 351 outside the inner rail lock 344, a thread drawing pen 36 is inserted into the through hole 353, and a screw lock 354 for fixing the thread drawing pen 36 is formed at one side of the through hole 353.
Four screw rods 355 are arranged at the positions of the pen holder 351 in the inner rail locking block 344, the lower ends of the screw rods 355 penetrate through the pen holder 351, and springs 356 are sleeved on the penetrating rods; a locking hole 357 is formed in the side of the inner rail lock 344, a pressure blocking block 358 is inserted into the locking hole 357, and the pressure blocking block 358 is positioned between the four screw rods 355 after entering the inner rail lock 344, so that the pen holder 351 can be prevented from falling.
One end of the pressure-blocking piece 358, which is positioned outside the inner rail lock piece 344, is provided with a handle 3581 which is convenient for controlling the pressure-blocking piece 358 to move, a U-shaped frame 3582 is arranged on the outer side surface of the inner rail lock piece 344, which is opposite to the handle 3581, an L-shaped lock rod 3583 is inserted on the U-shaped frame 3582, and after the L-shaped lock rod 3583 is inserted in the U-shaped frame 3582, the lower end of the L-shaped lock rod extends into the handle 3581 of the pressure-blocking piece 358, so that the pressure-blocking piece 358.
When the drawing pen 36 is fixed in the through hole 353 of the pen holder 351 by the screw lock 354, the pen holder 351 can synchronously descend when descending; in the present embodiment, the pen holder 351 is lowered at the line drawing stage, and the pen holder 351 is raised by the spring 356 after the button 352 is released, indicating that the line drawing is completed. The line drawing pen 36 can be adjusted to a proper position by the screw lock 354 in advance, so that the line drawing position can be achieved after the button 352 is pressed.
When no drawing line is needed or the circumferential measuring device 3 is not used, the pressing block 358 can be inserted into the locking hole 357 and enters the gap between the screw rods 355, so that the pen holder 351 cannot be pressed down; meanwhile, an L-shaped lock lever 3583 is inserted into the U-shaped frame 3582, and the drooping end of the L-shaped lock lever 3583 enters the handle 3581 of the pressure blocking piece 358 to lock the pressure blocking piece 358.
In addition, the height of the line drawing pen 36 can be adjusted by adjusting the position of the vertical slider 342 on the vertical slide rail 341.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides a radial operation platform of experimental pipe fitting which characterized in that includes:
the working frame is used for providing a drawing space and comprises a support frame, a table top and a placing table, wherein the table top and the placing table are fixed on the support frame at intervals up and down;
the circumferential surveying and mapping device is arranged on the table top and used for realizing circumferential measurement and line drawing on the test pipe fitting, and comprises a circumferential fixing frame for fixing the test pipe fitting, a dial which is arranged on the circumferential fixing frame and provided with circumferential scales, an axis calibration device for adjusting the axis of the test pipe fitting, and a pen rack for drawing marks in the circumferential direction of the test pipe fitting;
and the temporary placing device is arranged on the table top and is used for placing the test pipe which is not used temporarily or has completed part of radial pretreatment operation.
2. Test tube radial manipulation platform according to claim 1,
the support frame between the table top and the placing table is a lifting hydraulic rod, and one side of the table top is provided with a pushing handle and a switch for controlling the lifting of the hydraulic rod.
3. Test tube radial manipulator platform according to claim 2, characterized in that a universal wheel with brake pads is mounted at the bottom of the table.
4. Test tube radial manipulation platform according to claim 1,
the temporary placement device comprises a plurality of groups of placement frames which are arranged in pairs, the placement frames are arranged in parallel at intervals, each group of placement frames comprises two supports with the same structure, each support comprises a base which is vertically fixed with the table top and an inward concave pipe support which is fixed at the top end of the base, and the spacing distances among the supports in each group of placement frames are different.
5. Test tube radial manipulation platform according to claim 1,
the hoop mount includes that one fixes the hoop slide rail on the mesa, and two hoop slides of slip block on the hoop slide rail are fixed respectively and are taken as the load bearing seat of fixed baseplate on every hoop slide, bear and be provided with the through-hole that supplies experimental pipe fitting to pass through on the seat, are fixed with the bearing in the through-hole, axle center calibrating device fixes respectively two one ends of bearing the seat and keeping away from each other, the calibrated scale is located the orientation on the load bearing seat side of axle center calibrating device one side.
6. Test tube radial manipulation platform according to claim 5,
the axis calibration device comprises a cylindrical pipe with a stepped outer part, a section of end with a small diameter is fixed with the movable inner ring of the bearing, and three adjusting devices for adjusting the axis position of the test pipe fitting are respectively arranged in a section of pipe wall with a large diameter at intervals of 120 degrees.
7. Test tube radial manipulation platform according to claim 6,
the adjusting device comprises a slope-shaped rectangular push block on one side, a rotating handle connected with a screw rod, a pushing support rod with a ball bearing fixed with an arc-shaped pipe support at the other end, a bearing with an inner ring in sliding contact with the inner surface of the pipe wall of the outer ring fixed with the screw rod and the inner surface of the pipe wall of the cylindrical pipe, and a bearing with an inner ring in sliding contact with the inner surface of the pipe wall of the cylindrical pipe, wherein the inner ring is installed at one end, close to the rotating handle, of the screw rod, the other end of the screw rod is in threaded connection with one end, far away.
8. Test tube radial work platform according to claim 7, characterized in that a pointer is mounted on the cylindrical tube in the direction of the dial on the carrier.
9. Test tube radial manipulation platform according to claim 5,
the bearing seat is fixedly provided with a braking device for limiting the rotation of the cylindrical tube, the braking device comprises a connecting arm, a fixing seat and a braking piece, one end of the connecting arm is fixed on the outer surface of the bearing seat, the fixing seat is fixed with the connecting arm and internally provided with a through threaded hole, the rocking handle penetrates through the threaded hole through a screw rod, and the braking piece is fixed at the other end of the screw rod and is close to the cylindrical tube.
10. Test tube radial manipulation platform according to claim 9,
the pen rack comprises a vertical slide rail vertically fixed on the upper surface of the bearing seat, a vertical slide block which is arranged on the vertical slide rail and is provided with a screw lock, an inner rail lock block fixedly connected on the vertical slide block, and a line drawing control device and a line drawing pen which are arranged in the inner rail lock block;
the line drawing control device comprises a pen holder, one end of the pen holder is inserted into the inner rail locking block, a button connected with the inserting end of the pen holder is arranged on the upper surface of the inner rail locking block, four screw rods, the bottom ends of which extend out of the pen holder, are arranged at the inserting end of the pen holder from top to bottom, and springs are sleeved on the extending ends of the screw rods;
a vertical through hole is formed in one end, located outside the inner rail locking block, of the pen holder, a line drawing pen is inserted into the through hole, and a screw lock for fixing the current position of the line drawing pen is arranged on one side of the through hole;
and a pressure resistant block which can be inserted into the inner rail locking block is arranged at one side of the inner rail locking block and opposite to the extending end of the screw rod, and the inserted pressure resistant block is positioned between the screw rods to prevent the pen holder from being pressed downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095666.1A CN112276885B (en) | 2020-10-14 | 2020-10-14 | Radial operation platform for test pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095666.1A CN112276885B (en) | 2020-10-14 | 2020-10-14 | Radial operation platform for test pipe fitting |
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| CN112276885B CN112276885B (en) | 2022-07-19 |
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| CN107901016A (en) * | 2017-12-18 | 2018-04-13 | 集美大学 | The experiment pipe fitting chalker and method of a kind of angle adjustable |
| CN108638014A (en) * | 2018-05-11 | 2018-10-12 | 苏州蓝王机床工具科技有限公司 | Marking off intersecting line tool |
| CN209050729U (en) * | 2018-10-25 | 2019-07-02 | 广东省建筑构件工程有限公司 | A kind of pipeline scoring tool |
| CN110174226A (en) * | 2019-06-17 | 2019-08-27 | 中机试验装备股份有限公司 | A kind of pipeline resonance fatigue test board |
| CN209945312U (en) * | 2019-07-25 | 2020-01-14 | 宁波创世轴业有限公司 | Shaft clamping device for measuring shaft diameter |
| CN211220669U (en) * | 2019-12-26 | 2020-08-11 | 山东盛达塑胶有限公司 | Pipe fitting finished product shell surface marking device |
| CN111289352A (en) * | 2020-03-27 | 2020-06-16 | 江苏理工学院 | Vascular stent twists reverse testing arrangement |
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