Device for checking precision of downhole tool dismounting test rack
By designing a downhole tool assembly and disassembly test frame with a tiltable rotating plate and elastic cloth structure, the problem of wear debris and impurities affecting measurement accuracy was solved, achieving higher measurement stability and device durability.
Patent Information
- Application Number
- CN202520328313.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
After frequent use, existing downhole tool disassembly and assembly testing machines are prone to the shedding of wear debris and external impurities from the tool surface, leading to unstable measurement data and decreased accuracy.
A device comprising a tiltable rotating plate, an elastic cloth, and a slot structure was designed. The tilting rotating plate speeds up the cleaning process, the elastic sheet vibrates and fixes the tool, and the elastic cloth prevents dust from entering the control console, thereby improving measurement accuracy and stability.
Effectively cleans impurities from the rotating plate surface, ensures stable tool placement, reduces dust damage to the control console, and improves measurement accuracy and device lifespan.
Smart Images

Figure CN223742020U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of well drilling tool checking, and in particular to a device for checking the precision of a downhole tool disassembly and assembly test rack. BACKGROUND
[0002] Downhole tools are essential equipment in the fields of oil drilling, oil and gas exploitation, etc. They are widely used in various downhole operations, including various oil pipes, sucker rods, deep well pumps, packers, water distributors, etc.
[0003] In order to comprehensively and accurately test and verify the performance of downhole tools for subsequent disassembly and installation, a downhole tool tester is usually used to measure and record various parameters of the tool during the test process, so as to find potential problems and make subsequent improvements and optimizations.
[0004] Through long-term observation, it is found that after the existing tester is frequently used, the wear debris generated on the surface of the test tool and part of the impurities from the outside will fall on the workbench area of the tester, making the workpiece to be processed prone to unstable placement when placed, which will affect the measurement data. Therefore, a device for checking the precision of a downhole tool disassembly and assembly test rack is proposed to solve the above problems. SUMMARY
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the utility model provides a device for checking the precision of a downhole tool disassembly and assembly test rack.
[0006] The utility model discloses a kind of devices for checking the precision of a downhole tool disassembly and assembly test rack, including test machine main body;The control console is installed on the top of test machine main body;Rotary connection is carried out in the middle of test machine main body with rotating plate;Two groups of support shafts are fixedly connected on the lateral wall of rotating plate;Frame plate is fixedly connected in the middle of support shaft;Multiple clamping grooves are formed in the middle of frame plate;Two groups of first supports are fixedly connected on the lateral wall of test machine main body;Connecting plate is equipped in the end of first support;Elastic sheet is fixedly connected on the inner wall of connecting plate.
[0007] Preferably, a receiving groove is formed in the inner wall of rotating plate;Elastic cloth is fixedly connected on the inner wall of receiving groove;Pulling groove is formed in the middle of elastic cloth;Two groups of clamping plates are fixedly connected on the top of elastic cloth;Protruding rod is fixedly connected on the outer wall of control console, and the inner wall of clamping plate is shape-matched with the top of protruding rod.
[0008] Preferably, inner groove is formed in the inner wall of first support;Spring rod is fixedly connected on the inner wall of inner groove;Rotary shaft is rotatably connected on the output end of spring rod;Fixed part is fixedly connected in the middle of rotary shaft, and the fixed part is polygonal;Rotary shaft and connecting plate are fixedly connected.
[0009] Preferably, the top of the rotating plate is fixedly connected with two groups of second supports; the middle of the second support is fixedly connected with a support rod; the middle of the support rod is rotatably connected with a plurality of rotating wheels, and the rotating wheel is in contact with the pull groove.
[0010] Preferably, the top of the test machine body is fixedly connected with a gasket, and the gasket is arranged close to the inner wall of the rotating plate.
[0011] Preferably, the middle of the support shaft is fixedly connected with a friction piece, and the surface of the friction piece is concave.
[0012] The beneficial effects of the present application are as follows:
[0013] The utility model provides a kind of device for checking the precision of downhole tool dismounting test frame, by cooperation setting can incline rotating plate, to make rotating plate after inclining speed up its cleaning speed, reduce the impurity of more protrusions on the surface of rotating plate and be difficult to clean, make subsequent placement other workpiece appear unstable and the problem of low measurement accuracy, and under the action of clamping groove, rotating plate can continuously vibrate when unfolding or closing, simultaneously utilize the position reset of protruding elastic sheet to closed rotating plate.
[0014] The utility model provides a kind of device for checking the precision of downhole tool dismounting test frame, by under the action of elastic cloth, can reduce the problem that more dust falls into after control cabinet is placed for a long time in outside, reduce the damage of dust to control cabinet internal electronic components, and under the action of elastic cloth, after the support of protruding rod is lost to clamping plate, cooperation storage groove can be stored and handled to elastic cloth. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings:
[0016] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;
[0017] Figure 2 It is the rotating plate structure schematic diagram in the utility model;
[0018] Figure 3 It is Figure 2 the enlarged view of A in the drawings;
[0019] Figure 4 It is the frame plate structure schematic diagram in the utility model.
[0020] LEGEND:
[0021] 1, test machine main body; 11, control console; 12, rotating plate; 13, support shaft; 14, frame plate; 15, clamping groove; 16, first support; 17, connecting plate; 18, elastic sheet; 2, storage groove; 21, elastic cloth; 22, pull groove; 23, clamping plate; 24, protruding rod; 3, inner groove; 31, spring rod; 32, rotating shaft; 33, fixing piece; 4, second support; 41, support rod; 42, rotating wheel; 5, gasket; 6, friction piece. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Specific embodiments are given below.
[0024] As Figures 1-4As shown, a device for checking the accuracy of the disassembly test bench of downhole tools, including test machine body 1; The top of the test machine body 1 is provided with a control console 11; The middle of the test machine body 1 is rotatably connected with a rotating plate 12; The side wall of the rotating plate 12 is fixedly connected with two groups of supporting shafts 13; The middle of the supporting shaft 13 is fixedly connected with a frame plate 14; A plurality of clamping grooves 15 are formed in the middle of the frame plate 14; The side wall of the test machine body 1 is fixedly connected with two groups of first supports 16; The end of the first support 16 is provided with a connecting plate 17; The inner wall of the connecting plate 17 is fixedly connected with an elastic sheet 18; When working, the worker needs to install the test machine body 1 in the designated working area, and fix its position, then the worker can place the tool to be processed on the top of the test machine body 1, and contact with the flat rotating plate 12, start the control console 11 to measure and detect the tool, when there are more impurities on the top of the rotating plate 12, hold the middle of the two supporting shafts 13 and rotate, make the rotating plate 12 rotate around the supporting shaft 13 as the center point, until the rotating plate 12 is inclined, and in the movement process of the rotating plate 12, cooperate with the frame plate 14 arranged to expand, the elastic sheet 18 can continuously contact with the recessed clamping groove 15, and the deformed elastic sheet 18 can continuously hit the clamping groove 15 and generate vibration force, and the subsequently placed elastic sheet 18 can also contact with the specified clamping groove 15 and preliminarily fix the rotating plate 12, this step cooperates with the inclined rotating plate 12, so that the rotating plate 12 can speed up the cleaning speed after inclination, reduce the problem that it is difficult to clean the rotating plate 12 with more protruding impurities on the surface, make the subsequent placement of other workpieces unstable and low in measurement accuracy, and under the action of the clamping groove 15, the rotating plate 12 can continuously vibrate when it is expanded or closed, and the protruding elastic sheet 18 is used to reset the position of the closed rotating plate 12.
[0025] As Figures 1-4As shown, the inner wall of the rotating plate 12 is provided with a receiving groove 2; the inner wall of the receiving groove 2 is fixedly connected with an elastic cloth 21; the middle part of the elastic cloth 21 is provided with a pulling groove 22; the top of the elastic cloth 21 is fixedly connected with two groups of clamping plates 23; the outer wall of the control console 11 is fixedly connected with a protruding rod 24, and the top of the protruding rod 24 is in shape matching with the inner wall of the clamping plate 23; during operation, when the tester main body 1 is not used subsequently and the rotating plate 12 is unfolded, the worker can hold the middle part of the pulling groove 22 and pull it outward until the elastic cloth 21 is stressed and elongated, and then the two groups of clamping plates 23 at the ends of the elastic cloth 21 are hung on the protruding positions at the top of the protruding rod 24 in turn, so that the unfolded elastic cloth 21 can shield the control console 11 and part of the area at the top of the tester main body 1, and under the action of the elastic cloth 21, the problem of dust falling into the control console 11 after being placed outside for a long time can be reduced, the damage of dust to the electronic components inside the control console 11 is reduced, and under the action of the elastic cloth 21, the clamping plate 23 loses the support from the protruding rod 24, and the elastic cloth 21 can be stored in the receiving groove 2.
[0026] As shown in the figure, Figures 1-4 The inner wall of the first support 16 is provided with an inner groove 3; the inner wall of the inner groove 3 is fixedly connected with a spring rod 31; the output end of the spring rod 31 is rotatably connected with a rotating shaft 32; the middle part of the rotating shaft 32 is fixedly connected with a fixing piece 33, and the fixing piece 33 is polygonal; the rotating shaft 32 is fixedly connected with the connecting plate 17; during operation, by providing the fixing piece 33 on the inner wall of the first support 16, when the working angle of the connecting plate 17 needs to be adjusted, the worker can pull the fixing piece 33 outward as a whole, so that the fixing piece 33 is completely separated from the spring rod 31, and then it is rotated until it is adjusted to the appropriate position, and then the fixing piece 33 is loosened to be fixed again by the reverse pulling force of the spring rod 31, and this step can improve the flexibility of the connecting plate 17 during use by the fixing piece 33 arranged in combination, and the position change of the connecting plate 17 can improve the arc of the elastic sheet 18 pressed by the clamping groove 15, so as to increase or decrease the vibration of the rotating plate 12 as a whole.
[0027] As shown in the figure, Figures 1-4 The top of the rotating plate 12 is fixedly connected with two groups of second supports 4; the middle part of the second support 4 is fixedly connected with a supporting rod 41; the middle part of the supporting rod 41 is rotatably connected with a plurality of rotating wheels 42, and the rotating wheel 42 is in contact with the pulling groove 22; during operation, by providing two groups of second supports 4 at the ends of the rotating plate 12, when the elastic cloth 21 is elongated and turned over, the pulling groove 22 will slide in the middle part of the plurality of rotating wheels 42 and drive the specified rotating wheel 42 to rotate, and under the action of the rotating wheel 42, the abrasion of the elastic cloth 21 during movement can be reduced, the service life of the elastic cloth 21 is improved, and under the action of the plurality of rotating wheels 42, the stress uniformity of the elastic cloth 21 can be improved.
[0028] As shown in Figures 1-4 The test machine body 1 top fixed with gasket 5, and gasket 5 is close to the inner wall of the setting of the rotating plate 12; work, by in the middle of the test machine body 1 is provided with gasket 5, and the rotating plate 12 in the test machine body 1 between the closure, its bottom wall area will first with gasket 5 contact, this step under the action of soft material gasket 5, can be on the part of the rotating plate 12 falling buffer, at the same time increase the stability of the rotating plate 12 and test machine body 1 closed.
[0029] As shown in Figures 1-4 The support shaft 13 middle part is fixed with friction piece 6, and the surface of friction piece 6 is concave; work, by in the middle of the support shaft 13 is provided with friction piece 6, using the characteristics of the surface of friction piece 6 concave, so that in hand support shaft 13 can be directly with friction piece 6 contact, this step with the setting of friction piece 6 can reduce the problem of slip in the process of rotating support shaft 13, improve the stability of the rotating plate 12 in the turnover.
[0030] Working principle: through the test machine body 1 is installed in the designated work area, and its position is fixed, and then the subsequent workers can place the tools to be processed on the top area of the test machine body 1, and contact with the flat rotating plate 12, start the console 11, and then the tool can be measured and detected, and when there are more impurities on the top of the rotating plate 12, the middle part of the two sets of supporting shafts 13 can be held and rotated, so that the rotating plate 12 rotates around the supporting shaft 13 as the center point, until the rotating plate 12 is inclined, and in the movement process, the frame plate 14 arranged in expansion can make the elastic sheet 18 continuously contact with the recessed groove 15, and the elastic sheet 18 deformed and then reset can continuously hit the groove 15 and generate vibration force, and the subsequent rotating plate 12 can also contact with the specified groove 15 when the elastic sheet 18 is retracted during placement, and the preliminary fixation of the rotating plate 12 is realized, so that when the test machine body 1 is not used and the rotating plate 12 is expanded, the worker can hold the middle part of the pull slot 22 and pull it outward, until the elastic cloth 21 is stressed and elongated, and the two sets of clamping plates 23 at the end of the elastic cloth 21 are hung on the protruding position at the top of the protruding rod 24 in turn, so that the elastic cloth 21 arranged in expansion can shield the console 11 and part of the area on the top of the test machine body 1, and when the working angle of the connecting plate 17 needs to be adjusted, the worker can pull the fixing piece 33 outward as a whole, so that the fixing piece 33 is completely separated from the spring rod 31, and then rotated until the appropriate position is adjusted, and then the fixing piece 33 is fixed again by the reverse pulling force of the spring rod 31, and when the elastic cloth 21 is elongated and turned over, the pull slot 22 slides in the middle part of the plurality of rotating wheels 42, and drives the specified rotating wheel 42 to rotate, and when the rotating plate 12 is closed with the test machine body 1, the bottom wall area thereof will first contact with the gasket 5 arranged in the middle part of the test machine body 1, and the friction piece 6 arranged in the middle part of the supporting shaft 13, and the surface of the friction piece 6 is recessed, so that when the supporting shaft 13 is held, it can directly contact with the friction piece 6.
[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A device for checking the accuracy of a downhole tool disassembly test bench, comprising a test machine body (1); a control console (11) is installed on the top of the test machine body (1); characterized in that: The middle of the test machine body (1) is rotatably connected with a rotating plate (12); the side wall of the rotating plate (12) is fixedly connected with two groups of supporting shafts (13); the middle of the supporting shaft (13) is fixedly connected with a frame plate (14); the middle of the frame plate (14) is provided with a plurality of clamping grooves (15); the side wall of the test machine body (1) is fixedly connected with two groups of first supports (16); the end of the first support (16) is provided with a connecting plate (17); the inner wall of the connecting plate (17) is fixedly connected with an elastic sheet (18).
2. The device for checking the accuracy of a downhole tool disassembly test stand of claim 1, characterized in that: The inner wall of the rotating plate (12) is provided with a receiving groove (2); the inner wall of the receiving groove (2) is fixedly connected with an elastic cloth (21); the middle of the elastic cloth (21) is provided with a pulling groove (22); the top of the elastic cloth (21) is fixedly connected with two groups of clamping plates (23); the outer wall of the control console (11) is fixedly connected with a protruding rod (24), and the top of the protruding rod (24) and the inner wall of the clamping plate (23) are matched in shape.
3. The device for checking the accuracy of a downhole tool disassembly test stand of claim 1, wherein: The inner wall of the first support (16) is provided with an inner groove (3); the inner wall of the inner groove (3) is fixedly connected with a spring rod (31); the output end of the spring rod (31) is rotatably connected with a rotating shaft (32); the middle of the rotating shaft (32) is fixedly connected with a fixing piece (33), and the fixing piece (33) is polygonal; the rotating shaft (32) is fixedly connected with the connecting plate (17).
4. The device for checking the accuracy of a downhole tool disassembly test stand of claim 2, wherein: The top of the rotating plate (12) is fixedly connected with two groups of second supports (4); the middle of the second support (4) is fixedly connected with a supporting rod (41); the middle of the supporting rod (41) is rotatably connected with a plurality of rotating wheels (42), and the rotating wheel (42) is in contact with the pulling groove (22).
5. The device for verifying the accuracy of a downhole tool assembly and disassembly test frame as described in claim 1, characterized in that: The top of the test machine body (1) is fixedly connected with a gasket (5), and the gasket (5) is arranged close to the inner wall of the rotating plate (12).
6. The device for verifying the accuracy of a downhole tool assembly and disassembly test frame as described in claim 1, characterized in that: The middle of the supporting shaft (13) is fixedly connected with a friction piece (6), and the surface of the friction piece (6) is recessed.