CN216846698U - Horizontal and vertical torque calibration device - Google Patents

Horizontal and vertical torque calibration device Download PDF

Info

Publication number
CN216846698U
CN216846698U CN202220663738.6U CN202220663738U CN216846698U CN 216846698 U CN216846698 U CN 216846698U CN 202220663738 U CN202220663738 U CN 202220663738U CN 216846698 U CN216846698 U CN 216846698U
Authority
CN
China
Prior art keywords
torque
horizontal
calibration
lever
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220663738.6U
Other languages
Chinese (zh)
Inventor
代福禄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Furuilaite Technology Development Co ltd
Original Assignee
Shenzhen Furuilaite Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Furuilaite Technology Development Co ltd filed Critical Shenzhen Furuilaite Technology Development Co ltd
Priority to CN202220663738.6U priority Critical patent/CN216846698U/en
Application granted granted Critical
Publication of CN216846698U publication Critical patent/CN216846698U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The utility model provides a horizontal perpendicular moment of torsion calibration equipment, include: a work table; the clamp plate set up in the surface of workstation, the surface of workstation sets up two fan type moment of torsion and tests the lever, the both sides that two fan type moment of torsion tested the lever all are provided with stainless steel band, the guide rail set up in the surface of workstation, the three-jaw (holding) chuck sets up in one side on workstation surface. The utility model provides a horizontal and vertical torque calibration device, the device has simple structure and convenient operation, the main body adopts a channel steel structure and an aluminum alloy porous panel to assemble and form, firstly, the assembly and disassembly are convenient, and the trouble of punching and fixing on the wall surface and the ground is avoided; secondly, the multi-hole panel is used for assembling, so that the fixed and the installation of the detected torquemeter are convenient, and the trouble of disassembling a sensor of the torquemeter is reduced; thirdly, the lever can be automatically balanced during verification, calibration or calibration, so that the use efficiency is improved; and fourthly, the connecting square units adopt large and small integrated standard connecting pieces, so that the universality is higher and the connection is firmer.

Description

Horizontal and vertical torque calibration device
Technical Field
The utility model relates to a horizontal perpendicular moment of torsion check-up field especially relates to a horizontal perpendicular moment of torsion check-up device.
Background
With the continuous progress of science and technology and the popularization and use of intelligent equipment, the requirements on torque in various industries are higher and more precise at present; in order to ensure the precision of the assembled torque in various industries, the assembled torque needs to be verified, verified or calibrated.
In the prior art, the torque sensor is firstly verified, verified or calibrated, and then the torque device is assembled and used, so that the torque precision requirement after assembly is difficult to ensure; and the calibration, verification or calibration of the torque sensor uses a torque standard machine, a single-arm metal lever or a double-arm metal circular lever.
The existing torque standard machine is large in size and heavy; the single-arm metal lever is also heavy and not easy to adjust balance, and the direction of the arm of force needs to be changed back and forth for bidirectional verification and calibration; the metal round lever is heavy on one hand, and on the other hand, the length of the force arm is limited due to the limitation of the shape, so that the metal round lever is not suitable for the verification, calibration and calibration of the large torque of the large force arm, and the verification, calibration and calibration of the torque sensor and part of the torque meters can only be met under the above conditions; most of the torque meters on the market can be calibrated, verified and calibrated only by detaching the sensors on the torque meters, and the torque meters are assembled for use after verification, calibration and calibration are completed, so that the whole precision of the torque meters is not influenced in the assembly process.
Therefore, it is necessary to provide a horizontal and vertical torque calibration device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a horizontal perpendicular moment of torsion calibration equipment has solved current horizontal perpendicular moment of torsion calibration equipment bulky to current horizontal perpendicular moment of torsion calibration equipment can only realize examination, calibration and the problem of demarcation.
In order to solve the technical problem, the utility model provides a pair of horizontal perpendicular moment of torsion calibration equipment, include: a work table;
the pressure plate is arranged on the surface of the workbench, the surface of the workbench is provided with a double-sector torque validation lever, and two sides of the double-sector torque validation lever are provided with stainless steel bands;
the guide rail is arranged on the surface of the workbench, a sliding block is arranged on the surface of the guide rail, a lifting block is arranged on the surface of the sliding block, a lifting lead screw is arranged inside the lifting block, a pulley is arranged at the central position of the surface of the lifting block, one side of the stainless steel band is connected with a steel wire rope through a connecting ring, one end of the steel wire rope is connected with a tray hook, and a force value weight is arranged on the surface of the tray hook;
the three-jaw chuck is arranged on one side of the surface of the workbench.
Preferably, the surface of the workbench is provided with a right-angle fixed baffle.
Preferably, a T-shaped wrench is arranged on one side of the three-jaw chuck.
Preferably, four angles of workstation bottom all are provided with the balance adjustment foot.
Preferably, a lifting hand wheel is arranged at the bottom of the lifting block and on the side opposite to the lifting screw rod.
Preferably, the surface of tray couple is provided with the movable block, one side of movable block is provided with display module, display module includes the rectangle box, be provided with the dwang between the both sides of rectangle box inner wall, the both sides on dwang surface all are provided with the coil spring, one side on dwang surface is provided with the connecting band, the surface of connecting band is provided with the scale mark.
Preferably, the bottom of connecting band is provided with coupling assembling, coupling assembling includes the connector link, the inside of connector link is provided with the threaded connection bolt, the surperficial threaded connection of threaded connection bolt has the thread bush.
Compared with the prior art, the utility model provides a pair of horizontal perpendicular moment of torsion calibration equipment has following beneficial effect:
the utility model provides a horizontal and vertical torque calibration device, which has simple structure and convenient operation, and the main body adopts a channel steel structure and an aluminum alloy porous panel to be assembled and molded, so that firstly, the assembly and disassembly are convenient, and the trouble of punching and fixing on the wall surface and the ground is avoided; secondly, the multi-hole panel is used for assembling, so that the fixed and the installation of the detected torquemeter are convenient, and the trouble of disassembling a sensor of the torquemeter is reduced; thirdly, the lever can be automatically balanced during verification, calibration or calibration, so that the use efficiency is improved; and fourthly, the connecting square units adopt large and small integrated standard connecting pieces, the universality is higher, the connection is firmer, the assembly and disassembly are easy, and the overall precision is high. Fifthly, the torque lever steel belt is linked with one end of the steel wire rope through a waist-shaped tension ring, the other end of the steel wire rope is linked with a tray hook through a lifting pulley, and the levels of the steel belt and the steel wire rope are adjusted by a lifting device; the six-tray hook is very convenient to put and take the weights, and the weights with corresponding force values can be sequentially superposed on the tray from small to large according to the torque values of verification, calibration and calibration; seventhly, after the torque meter is calibrated, verified or calibrated clockwise, only the weight, the hook and the steel wire rope need to be taken down, the lifting pulley slides to the left side of the verification table through the guide rail, and the counterclockwise calibration, verification and calibration can be completed according to the operation method in the clockwise direction; therefore, time and labor are saved, the overall precision of the torque meter is ensured, and the use efficiency is higher.
Drawings
Fig. 1 is a schematic structural diagram of a horizontal-vertical torque calibration apparatus according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a horizontal-vertical torque calibration apparatus according to a second embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 2;
fig. 5 is a schematic perspective view of the entire device shown in fig. 2.
Reference numbers in the figures: 1. the double-fan type torque checking lever comprises a double-fan type torque checking lever body, 2, a stainless steel belt, 3, a workbench, 4, a guide rail, 5, a right-angle fixed baffle, 6, a pressing plate, 7, a sliding block, 8, a lifting block, 9, a lifting hand wheel, 10, a three-jaw chuck, 11, a T-shaped wrench, 12, a connecting ring, 13, a steel wire rope, 14, a pulley, 15, a lifting screw rod, 16, a tray hook, 17, a balance adjusting foot, 18, a force value weight, 19, a display assembly, 191, a rectangular box, 192, a rotating rod, 193, a coil spring, 194, a connecting belt, 195, a scale mark, 20, a connecting assembly, 201, a connecting buckle, 202, a threaded connecting bolt, 203, a threaded sleeve, 21 and a moving block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The first embodiment:
please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a horizontal-vertical torque calibration apparatus according to a first embodiment of the present invention. A horizontal-vertical torque-checking apparatus comprising: a work table 3;
the pressing plate 6 is arranged on the surface of the workbench 3, the double-fan-shaped torque validation lever 1 is arranged on the surface of the workbench 3, and the stainless steel belts 2 are arranged on two sides of the double-fan-shaped torque validation lever 1;
the guide rail 4 is arranged on the surface of the workbench 3, a sliding block 7 is arranged on the surface of the guide rail 4, an elevating block 8 is arranged on the surface of the sliding block 7, an elevating screw rod 15 is arranged inside the elevating block 8, a pulley 14 is arranged at the central position of the surface of the elevating block 8, one side of the stainless steel belt 2 is connected with a steel wire rope 13 through a connecting ring 12, one end of the steel wire rope 13 is connected with a tray hook 16, and a force value weight 18 is arranged on the surface of the tray hook 16;
and the three-jaw chuck 10 is arranged on one side of the surface of the workbench 3, and the three-jaw chuck 10 is arranged on one side of the surface of the workbench 3.
The surface of the workbench 3 is provided with a right-angle fixed baffle 5.
A T-shaped wrench 11 is provided at one side of the three-jaw chuck 10.
Four angles of the bottom of the workbench 1 are provided with balance adjusting feet 17.
A. The center of the double-fan torque validation lever is provided with a connecting square pin which can be used for connecting a verified, verified or calibrated piece;
B. two steel belts, wherein one end of the steel belt is a circular hole, so that the steel belt can be conveniently screwed on the upper end of the circular arc surface of the double-sector torque validation lever, the other end of the steel belt is a long U-shaped hole, so that the steel belt can be conveniently connected with a steel wire rope and a tray hook (the steel belt and the steel wire rope are connected through a waist-shaped tension ring, and the tray hook is hung on the other end of the steel wire rope), and the two steel belts are respectively fixed on the upper end of the circular arc surface of the double-sector torque validation lever in opposite directions. When the torque verifying device is used for verifying, verifying or calibrating the torque, the standard force value weight is respectively placed on the tray hook according to the torque value to be verified, verified or calibrated at the two ends of the double-fan-shaped torque verifying lever, the corresponding standard torque value is obtained by calculating the product of the force arm of the double-fan-shaped torque verifying lever and the weight of the standard force value weight, and then the standard torque value is compared with the torque indicating value on the verified piece to calculate the error percentage of the standard force value weight, so that whether the standard force value weight is within the error range or not is judged.
C. The connecting square pin at the central position of the double-fan-shaped torque checking lever is provided with a protruding elastic steel ball which is convenient to be connected with a part to be checked, checked and calibrated. The elastic steel balls are used for firmly connecting the two parts, so that the connection is safer and the disassembly and the assembly are more convenient; the use is more convenient, rapid and efficient.
D. The hook of tray couple upper end is connected with the long U-shaped hole of steel band lower extreme, and it is very convenient to hang and get, and the tray of couple lower extreme holds power value weight, examines and determine according to the moment of torsion, check-up and calibration value from little to big, can be in proper order toward the tray on the stack corresponding power value weight can, until required maximum standard torque value position, avoid directly to hang repeatedly, get repeatedly and the loaded down with trivial details of the zero-bit that returns repeatedly when putting the weight on the couple.
E. A torque checking table is characterized in that a table top is vertically fixed on a workbench through two porous panels, a three-jaw chuck is arranged at the upper end of each vertical panel, a sliding guide rail is locked on the front side surface of the workbench and is provided with a high-precision steel ball which is connected with a lifting pulley device through a sliding block inner groove, and the three-jaw chuck can be conveniently adjusted left and right and up and down according to needs during checking, checking and calibrating until the three-jaw chuck is in a proper position. The lifting pulley device consists of a lifting hand wheel, a screw rod, a dovetail slide block and a V-shaped pulley (the V-shaped pulley is provided with two high-precision bearings), and a steel wire rope is connected with the tray hook through a pulley on the lifting device for use.
J, the double-fan torque checking lever 1 comprises two fan-shaped structures, a link square, a left arm and a right arm.
K, connect the square zui through the screw fixation in two fan-shaped central point puts, and 304 stainless steel elastic steel balls are inlayed to one face of its four sides zui, conveniently are connected with the external member tight fit.
And L, one ends of the two steel belts 2 are fixed at the upper end of the arc surface through screws, the other ends of the two steel belts are connected with a steel wire rope 13 through a connecting ring 12 after bypassing the arc surface, one end of the steel wire rope 13 is connected with a tray hook 16, the two steel belts are fixed in opposite directions, and verification, verification and calibration can be carried out through the connecting ring, the steel wire rope and a tray hook connecting force value weight.
When the horizontal and vertical torque calibration device is used for calibration, calibration and calibration, firstly, the workbench 3 is fixed and is adjusted to be balanced through four balance adjusting pins 17; then, placing the calibrated, verified or calibrated piece at a proper position of the porous panel of the workbench 3, fixing the calibrated, verified or calibrated piece by using a right-angle fixing baffle 5 and pressing the calibrated, verified or calibrated piece by using a pressing plate 6; then, the square parts of the double-fan-shaped torque checking lever 1 are connected with the square hole of the tested piece, the lower end of a steel belt on the right side of the torque checking lever is well linked and locked with a steel wire rope 13 through a connecting ring 12, and the other end of the steel wire rope 13 is linked with a tray hook 16 through a V-shaped pulley 14; adjusting a steel belt and a steel wire rope to a horizontal position through a lifting hand wheel 9, a lifting screw rod 15 and a lifting block 8, adjusting a lifting device to a position where the steel belt and the cambered surface at the right end of a torque checking lever form a tangent line through a sliding block 7 and a guide rail 4, placing a force value weight 18 on a tray hook 16 to test, calculating a standard torque value obtained by calculating the product of the standard force value weight 18 and the force arm of the double-sector torque checking lever 1, comparing the standard torque value with a torque real-time display value of a tested piece, calculating the percentage of the tested piece, and judging whether the tested piece is in a normal error range or not; if the error is within a reasonable range, the product is qualified, otherwise, the product is unqualified; if not, debugging and calibrating the measured real-time torque value through the standard torque value until the measured real-time torque value is qualified.
And a lifting hand wheel is arranged at the bottom of the lifting block 8 and at one side opposite to the lifting screw rod 15.
The utility model provides a pair of perpendicular moment of torsion calibration equipment of level's theory of operation as follows:
when the device is used, the moment (M) passing through the device is equal to the product (M = F L) of the force (F) and the force arm (L), namely, the distance from the square center point of the double-fan-shaped torque checking lever to the tangent line of any point on the arc surfaces at the two ends is the force arm (L), and the weight of the force value weight is the force (F); because the distance from the central point of the double-sector torque check lever to any point on the arc surface is equal and unchanged, force value weights with certain weight are placed on a tray hook at one end of the double-sector torque check lever according to the actual torque value which is verified, checked and calibrated, the corresponding standard torque value can be calculated according to the weight of the placed weight and certain force arm, then the actual torque value is compared with the standard torque value, the error percentage of the standard torque value is calculated, and if the actual torque value is within the proper error range, the standard torque value is qualified; otherwise, the product is unqualified; if the error is out of tolerance, debugging can be carried out according to the corresponding standard torque value until the standard torque value is qualified.
Compared with the prior art, the utility model provides a pair of horizontal perpendicular moment of torsion calibration equipment has following beneficial effect:
the utility model provides a horizontal and vertical torque calibration device, which has simple structure and convenient operation, and the main body adopts a channel steel structure and an aluminum alloy porous panel to be assembled and molded, so that firstly, the assembly and disassembly are convenient, and the trouble of punching and fixing on the wall surface and the ground is avoided; secondly, the multi-hole panel is used for assembling, so that the fixed and the installation of the detected torquemeter are convenient, and the trouble of disassembling a sensor of the torquemeter is reduced; thirdly, the lever can be automatically balanced during verification, calibration or calibration, so that the use efficiency is improved; and fourthly, the connecting square units adopt large and small integrated standard connecting pieces, the universality is higher, the connection is firmer, the assembly and disassembly are easy, and the overall precision is high. Fifthly, the torque lever steel belt is linked with one end of the steel wire rope through a waist-shaped tension ring, the other end of the steel wire rope is linked with a tray hook through a lifting pulley, and the levels of the steel belt and the steel wire rope are adjusted by a lifting device; the six-tray hook is very convenient to put and take the weights, and the weights with corresponding force values can be sequentially superposed on the tray from small to large according to the torque values of verification, calibration and calibration; seventhly, after the torque meter is calibrated, verified or calibrated clockwise, only the weight, the hook and the steel wire rope need to be taken down, the lifting pulley slides to the left side of the verification table through the guide rail, and the counterclockwise calibration, verification and calibration can be completed according to the operation method in the clockwise direction; therefore, time and labor are saved, the overall precision of the torque meter is ensured, and the use efficiency is higher.
Second embodiment:
referring to fig. 2, 3, 4 and 5, a second embodiment of the present application provides another horizontal-vertical torque checking device based on the horizontal-vertical torque checking device provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the horizontal and vertical torque calibration device that the second embodiment of this application provided lies in, a horizontal and vertical torque calibration device, the surface of tray couple 16 is provided with movable block 21, one side of movable block 21 is provided with display module 19, display module 19 includes rectangle box 191, be provided with dwang 192 between the both sides of rectangle box 191 inner wall, the both sides on dwang 192 surface all are provided with coil spring 193, one side on dwang 192 surface is provided with connecting band 194, the surface of connecting band 194 is provided with scale mark 195.
The intercommunicating pore has been seted up to the central point of movable block 21, both sides at the intercommunicating pore inner wall all are provided with the ball, use the ball to reduce frictional force when movable block 21 removes, the both ends of dwang 192 all are rotated with the both sides of rectangle box 191 inner wall through the axis of rotation and are connected, two coil springs 193 set up the both ends at dwang 192 respectively, and the direction of two coil springs 193 installations is the same, the both ends of coil spring 193 respectively with the both sides of rectangle box 191 inner wall and the both ends fixed connection of dwang 192, use coil spring 193 to drive dwang 192 automatic rolling.
The bottom of connecting band 194 is provided with coupling assembling 20, coupling assembling 20 includes connector link 201, the inside of connector link 201 is provided with threaded connection bolt 202, threaded connection bolt 202's surface threaded connection has thread bush 203.
One side of the threaded connection bolt 202 is rotatably connected with one end of the connection band 194 through a rotation shaft, a through hole matched with the threaded connection bolt 202 is formed in one side inside the connection buckle 201, and a thread is also formed in the inner wall of the through hole.
The utility model provides a pair of perpendicular moment of torsion calibration equipment of level's theory of operation as follows:
during the use, when placing the reading to power value weight 18, the operator at first passes the inside of connector link 201 with threaded connection bolt 202 of connecting band 194 bottom and extends to the opposite side of connector link 201, after threaded connection bolt 202 extended to the opposite side of connector link 201, the operator overlaps threaded sleeve 203 and establishes the surface at threaded connection bolt 202, can fix after threaded sleeve 203 overlaps and establishes.
When the force value weight 18 is added during work, the moving block 21 is pushed to move upwards, the rectangular box 191 on one side is driven to move upwards when the moving block 21 moves upwards, the internal rotating rod 192 is driven to pull upwards when the rectangular box 191 moves upwards, the connecting belt 194 is pulled downwards by the pulling force of the threaded connecting bolt 202 when the rotating rod 192 pulls upwards, the coil springs 193 at two ends are driven to extrude when the rotating rod 192 rotates, the coil springs 193 are in a compression state, and after the force value weight 18 is pulled to a proper position, an operator can read numerical values through the scale lines 195 on the surface of the connecting belt 194.
Compared with the prior art, the utility model provides a pair of horizontal perpendicular moment of torsion calibration equipment has following beneficial effect:
the utility model provides a horizontal vertical torque calibration device, it can follow power value weight 18 and move to set up movable block 21 on tray couple 16's surface, one side at movable block 21 sets up rectangle box 191 and dwang 192 cooperation connecting band 194 and scale mark 195 and uses and to replace current measuring method, can calculate by the faster quantity of carrying out power value weight 18, set up wind spring 193 and can carry out the rolling through dwang 192 to connecting band 194 voluntarily at the both ends of dwang 192, it can conveniently fix connecting band 194 to set up coupling assembling 20 in the bottom of connecting band 194, also dismantle connecting band 194 after convenient the measurement.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A horizontal-vertical torque-checking apparatus, comprising: a work table;
the pressure plate is arranged on the surface of the workbench, the surface of the workbench is provided with a double-sector torque testing lever, and two sides of the double-sector torque testing lever are provided with stainless steel bands;
the guide rail is arranged on the surface of the workbench, a sliding block is arranged on the surface of the guide rail, a lifting block is arranged on the surface of the sliding block, a lifting lead screw is arranged inside the lifting block, a pulley is arranged at the central position of the surface of the lifting block, one side of the stainless steel band is connected with a steel wire rope through a connecting ring, one end of the steel wire rope is connected with a tray hook, and a force value weight is arranged on the surface of the tray hook;
the three-jaw chuck is arranged on one side of the surface of the workbench.
2. The apparatus according to claim 1, wherein the surface of the table is provided with a right angle fixed stop.
3. The horizontal vertical torque verifier device of claim 1, wherein a T-wrench is provided on one side of the three-jaw chuck.
4. The apparatus according to claim 1, wherein the bottom of the worktable is provided with balance-adjusting feet at four corners.
5. The device for checking horizontal and vertical torques of claim 1 wherein a lifting handwheel is disposed at the bottom of the lifting block and on the side opposite to the lifting screw rod.
6. The device for calibrating horizontal and vertical torques according to claim 1, wherein a surface of the tray hook is provided with a moving block, one side of the moving block is provided with a display component, the display component comprises a rectangular box, a rotating rod is arranged between two sides of an inner wall of the rectangular box, two sides of the surface of the rotating rod are provided with coil springs, one side of the surface of the rotating rod is provided with a connecting band, and the surface of the connecting band is provided with scale marks.
7. The device for checking horizontal and vertical torques according to claim 6, characterized in that a connecting component is provided at the bottom of the connecting band, the connecting component comprises a connecting buckle, a threaded connecting bolt is provided inside the connecting buckle, and a threaded sleeve is screwed on the surface of the threaded connecting bolt.
CN202220663738.6U 2022-03-25 2022-03-25 Horizontal and vertical torque calibration device Active CN216846698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220663738.6U CN216846698U (en) 2022-03-25 2022-03-25 Horizontal and vertical torque calibration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220663738.6U CN216846698U (en) 2022-03-25 2022-03-25 Horizontal and vertical torque calibration device

Publications (1)

Publication Number Publication Date
CN216846698U true CN216846698U (en) 2022-06-28

Family

ID=82097435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220663738.6U Active CN216846698U (en) 2022-03-25 2022-03-25 Horizontal and vertical torque calibration device

Country Status (1)

Country Link
CN (1) CN216846698U (en)

Similar Documents

Publication Publication Date Title
US8800392B2 (en) Deformation testing device
CN206683954U (en) Fiber tensile test device
CN205643036U (en) An axle form crooked deformation test device
CN209656205U (en) A kind of dynamometer calibrating installation
CN110726636B (en) Four-axis centering adjustment system and method for biaxial tensile testing machine
CN208432196U (en) A kind of battery core thickness detection apparatus
CN216846698U (en) Horizontal and vertical torque calibration device
CN111207656A (en) Rapid metering device and metering method for tooth profile of cycloidal gear of RV reducer
CN204903046U (en) Starter shift fork spring dynamometer
CN201765051U (en) Weighing sensor corner load error tester
CN208476458U (en) Dynamometer calibrating installation
CN201653642U (en) Calibration device for miniature pressure sensor
CN208076309U (en) A kind of load-measuring device of four-point rotary bending tester
CN211855398U (en) Balanced clamping device of instrument debugging
CN208998725U (en) A kind of impeller panel flatness inspection devices
CN201438098U (en) Calibration auxiliary device for outside micrometer
CN2164038Y (en) Checking device of brake force test desk
CN211179394U (en) Four-axis centering adjustment system for biaxial tensile testing machine
CN103419165A (en) High-precision torque wrench and checkout, installation and detection method thereof
CN209310980U (en) A kind of push-pull effort machine calibration platform
CN208780104U (en) Angle of assembling examines tooling
CN208872206U (en) A kind of workpiece sensing clamp tool
CN217058595U (en) Machine part on-line inspection bench
CN2141554Y (en) Two-stage measuring displacement measurer
CN108489825A (en) A kind of load-measuring device of four-point rotary bending tester

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant