CN208847434U - It is a kind of multi-functional without interconnecting piece flexural pivot test tool - Google Patents

It is a kind of multi-functional without interconnecting piece flexural pivot test tool Download PDF

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Publication number
CN208847434U
CN208847434U CN201821276402.4U CN201821276402U CN208847434U CN 208847434 U CN208847434 U CN 208847434U CN 201821276402 U CN201821276402 U CN 201821276402U CN 208847434 U CN208847434 U CN 208847434U
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CN
China
Prior art keywords
block
flexural pivot
fixed block
hole
screw
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Expired - Fee Related
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CN201821276402.4U
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Chinese (zh)
Inventor
洪鹄
上官文斌
刘亚俊
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201821276402.4U priority Critical patent/CN208847434U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of multi-functional ball pin front is circumferentially attached to without interconnecting piece flexural pivot test tool, including foil gauge, workbench, jacking block, fixed block, two halves circular block, L shape block, screw nipple, switching cylindrical piece, the foil gauge;The jacking block is fixedly connected with fixed block by fastening bolt, the ball seat that the two halves circular block fastens double team flexural pivot is placed in the centre bore of the fixed block, the surrounding of the fixed block has been disposed radially several threaded holes, and the lock-screw that may extend to the centre bore of the fixed block is provided in the threaded hole;The L shape block horizontal component is provided with the slotted hole that threaded connection element is fixedly connected with testing machine force application rod, and vertical portion is provided with the taper hole matched with ball pin conical section.The utility model need to only replace individual part for the flexural pivot of different ball seat radiuses and remaining parts can be general, reduce waste of material, reduce tooling processing required time and shorten flexural pivot test period.

Description

It is a kind of multi-functional without interconnecting piece flexural pivot test tool
Technical field
The utility model relates to a kind of flexural pivot test tools suitable for a variety of experimental conditions, can carry out without connecting portion Flexural pivot axis radial direction stiffness test, the flexural pivot cover board extrusion pressure test without connecting portion, specifically a kind of multi-functional not band connection Portion's flexural pivot test tool.
Background technique
Flexural pivot usually needs to carry out many tests during product R & D, such as axis, radial direction as chassis function part Stiffness test.When test is without connecting portion flexural pivot axis, radial rigidity, traditional tooling needs weight for the ball seat of different radii A set of tooling is newly processed than relatively time-consuming, therefore a variety of test situations can be suitable for by designing one kind, and for different ball seats The test tool that the flexural pivot of radius only needs to re-work only a few part is meaningful.In patent CN206504842 U A kind of flexural pivot axis radial direction stiffness test tooling is described, fixation kit and force component are included.The tooling is able to carry out band connection The flexural pivot axis at position, radial rigidity test not can be carried out band connection position flexural pivot rating test and axial rigidity test.For ball The different flexural pivot major part part of seat radius all needs to re-work.
Utility model content
Purpose of the utility model is to solve under a variety of test situations of flexural pivot, need to design more set toolings to increase Flexural pivot test period problem and flexural pivot to different ball seat radiuses, tooling need to redesign problem, by a variety of test works Row co-design is put into, a kind of multi-functional tooling that can be suitable for a variety of test situations is designed, flexural pivot test can be shortened Period need to only re-work few part simultaneously for the ball seat of different radii, can be reduced tooling process time, improve tooling Utilization rate reduces waste of material.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
It is a kind of multi-functional without interconnecting piece flexural pivot test tool, comprising:
Foil gauge, workbench, jacking block, fixed block, two halves circular block, L shape block, screw nipple, switching cylindrical piece,
The foil gauge is circumferentially attached to the ball pin front of band connection portion flexural pivot every 90 degree, is separated by two strains of 180 degree Piece constitutes one group totally two groups, and one group is used for X to calibration, and another group is demarcated for Y-direction;The jacking block and fixed block passes through fastening Bolt is fixedly connected, and the ball seat that the two halves circular block fastens double team flexural pivot is placed in the centre bore of the fixed block, institute The surrounding for stating fixed block has been disposed radially several threaded holes, and being provided in the threaded hole may extend in the fixed block The lock-screw in heart hole;
The L shape block horizontal component be provided with threaded connection element be fixedly connected with testing machine force application rod it is oval Hole, vertical portion are provided with the taper hole matched with ball pin conical section, and the vertical portion end of the L shape block is medially set vertically It is equipped with the grooving for the taper hole that goes directly and the cross through hole across the grooving, is provided with and matches in the cross through hole First clamping screw and the first locking nut;The screw nipple passes through screw-threaded coupling ball pin.
Preferably, the threaded connection element includes switching cylindrical piece, and the switching cylindrical piece upper end is provided with and institute The threaded hole of testing machine force application rod threaded connection is stated, lower end is provided with the insertion slotted hole and matches with the second locking nut External screw thread.
Preferably, the two halves circular block arc-shaped inner surface is provided with the semicircle matched after fastening with the ball seat Groove, the two sides of the semi-circular recesses are provided with the rib of limitation ball seat upper and lower surface axial position, the two halves circular block Periphery wall has been arranged radially several through-holes.
Preferably, when test without interconnecting piece flexural pivot axial rigidity, the jacking block and fixed block pass through fastening Bolt is fixed on the table.
Preferably, the periphery wall of the fixed block and jacking block is provided with the plane to fit with the top surface of the workbench.
Compared with prior art, the utility model has the beneficial effects that
Co-design method is used when the utility model designs, and can satisfy various flexural pivot test situations, simultaneously for ball The different flexural pivot of seat radius need to only re-work two semicircle parts, and remaining parts are in test without connecting portion axis, radial direction The tool part of rigidity is reusable.By being optimized to traditional L shape block, opened with ball pin coupling part at it Slot processing, the position of L shape block is locked by the first clamping screw.Circular hole becomes oblong hole, length above L shape block simultaneously It can require be designed according to different tests, it is slight to moderate error caused by processing to eliminate convenient for finely tuning, improve examination Precision, the reliability and stability tested can greatly shorten the flexural pivot test period, while tooling co-design also can be reduced material Unnecessary waste.
Detailed description of the invention
Fig. 1 is without interconnecting piece flexural pivot schematic diagram;
Fig. 2 is without interconnecting piece flexural pivot radial rigidity test tool schematic diagram;
Fig. 3 is without interconnecting piece flexural pivot axial rigidity test tool schematic diagram;
Fig. 4 is tested without the flexural pivot cover board extrusion pressure of interconnecting piece
Fig. 5 is semicircle block structure schematic diagram;
Fig. 6 is L shape block structure schematic diagram;
Attached drawing mark explanation: 1- ball pin, 2- ball seat, 3- workbench, the first clamping screw of 4-, 5- screw nipple, 6-L shape Block, 7- switching cylindrical piece, 8- testing machine force application rod, 9- sensor, 10- height adjusting blocks, the second clamping screw of 11-, 12- second Locking nut, the first locking nut of 13-, 14- jacking block, 15- fixed block, 16- fastening bolt, 17- lock-screw, 18- are semicircle Block, 19- press bench, 20- press machine loading blocks, 21- foil gauge.
Specific embodiment
The utility model in order to better understand with reference to the accompanying drawing does further in detail the embodiments of the present invention Explanation.
Fig. 1 is the spherical hinge structure figure without connecting portion.
As shown in Fig. 2, a kind of multi-functional without interconnecting piece flexural pivot test tool, comprising:
Foil gauge 21, workbench 3, jacking block 14, fixed block 15, two halves circular block 18, L shape block 6, screw nipple 5, switching Cylindrical piece,
The foil gauge 21 is circumferentially attached to the ball pin front of band connection portion flexural pivot every 90 degree, and be separated by 180 degree two answer Become piece and constitute one group totally two groups, one group is used for X to calibration, and another group is demarcated for Y-direction;
The jacking block 14 is fixedly connected with fixed block 15 by fastening bolt, and the two halves circular block 18, which fastens, to be sandwiched The ball seat 2 of flexural pivot is placed in the centre bore of the fixed block 15, and the surrounding of the fixed block 15 has been disposed radially several spiral shells Pit is provided with the lock-screw 17 that may extend to the centre bore of the fixed block 15 in the threaded hole.
As shown in fig. 6,6 horizontal component of L shape block is provided with threaded connection element and testing machine force application rod 8 is solid Surely the slotted hole connected, vertical portion are provided with the taper hole matched with ball pin conical section, the vertical portion end of the L shape block 6 The grooving and cross through hole across the grooving that end is medially vertically arranged with the taper hole that goes directly, in the cross through hole It is provided with the first clamping screw 4 and the first locking nut 13 matched, the screw nipple 5 passes through screw-threaded coupling ball pin. The threaded connection element include screw nipple 5, switching cylindrical piece 7,5 upper end of screw nipple be provided with it is described The threaded hole that testing machine force application rod 8 is threadedly coupled, lower end is provided with the threaded hole connecting with the ball pin 1, the switching cylinder 7 upper end of block is provided with the threaded hole being threadedly coupled with the testing machine force application rod 8, lower end be provided with the insertion slotted hole and with The external screw thread that second locking nut 12 matches.Pass through height adjusting blocks 10 and the second locking screw on the testing machine force application rod 8 Bolt 11 is provided with sensor 9.
It matches as shown in figure 5,18 arc-shaped inner surface of two halves circular block is provided with after fastening with the ball seat 2 Semi-circular recesses, the two sides of the semi-circular recesses are provided with the rib of limitation 2 upper and lower surface axial position of ball seat, the two halves 18 periphery wall of circular block has been arranged radially several through-holes.It is different for 2 radius of ball seat without interconnecting piece flexural pivot, it is carried out The semicircle block need to be only re-worked when axis, radial rigidity test, it is identical as described in Fig. 3 that Fig. 2 can be used in remaining parts Part.
The periphery wall of the fixed block 15 is provided with respect to 3 side of workbench to fit with the top surface of the workbench 3 Plane increases contact area, the stability of guarantee test.
As described in Figure 2, when carrying out flexural pivot calibration using MTS, tooling and flexural pivot install and use mode are as follows:
Rotation ball pin makes X be parallel to 13 contact surface of L shape block 6 and the first locking nut to a group foil gauge, later by L shape block 6 are packed into the first clamping screw 4 insertion 6 lower opening of L shape block in ball pin, tighten the fixed L shape block 6 of the first locking nut 13 and ball pin, And screw in screw nipple 5 prevent L shape block 6 load when sliding, operation MTS testing machine loaded, record different loads under answer Variate.It has demarcated X and has removed the second locking nut 12 backward, operation MTS moves up upper part, unloads screw nipple 5, unscrew First locking nut 13, the L shape that slightly moves right block 6, rotation ball pin make Y-direction foil gauge group be parallel to L shape block 6 and the first lock 13 contact surface of tight nut.It moves to right and loads onto L shape block 6, tighten the fixed L shape block 6 of the first locking nut 13, and screw in screw nipple 5, Adjusting MTS makes to transfer the insertion slotted hole of cylindrical piece 7 and tightens the second locking nut 12, can carry out Y-direction calibration.
It, can the progress radial rigidity test of coupling stiffness testing machine after completing calibration.
As shown in Fig. 2, tooling mainly includes jacking block 14, workbench at this time when testing without interconnecting piece flexural pivot radial rigidity 3, fixed block 15, switching cylindrical piece 7, semicircle block 18, lock-screw 17 etc., specific embodiment are as follows: by jacking block 14 and fix Block 15 is connected by fastening bolt 16, blocks 2 upper and lower surfaces of ball seat with semicircle block 18, then semicircle block 18 and flexural pivot one With being put into 15 middle part circular hole of fixed block, adjusts semicircle block position and lock-screw 17 is locked semicircle block, then Switching 7 one end of cylindrical piece is screwed on load bar, the other end is inserted into the slotted hole of L shape block 6, tightens the second locking nut 12. Then ball pin 1 is inserted into 6 lower end taper hole of L shape block, tightens the first locking nut 13, and screw in screw nipple 5 and fix L shape Block 6, fixed block 15 is moved down control machine until 15 lower plane of fixed block at this time may be used with the contact of 3 upper surface of workbench Measure flexural pivot radial rigidity.
As shown in figure 3, when being tested without interconnecting piece flexural pivot axial rigidity, specific embodiment are as follows: test radial rigid After degree, screw nipple 5 is backed out, unclamps the first locking nut 13, the part such as flexural pivot 1 and fixed block 15 is taken away, is then taken Jacking block 14 and fixed block 15 are fixed on 3 surface of workbench by fastening bolt 16, by spiral shell by lower L shape block 6 and switching cylindrical piece 7 Line connecting tube 5 screws in 1 threaded portion of ball pin, and 8 position of Adjustment Tests machine load bar makes it tap touching with 5 top of screw nipple And centering, rotation screw nipple 5 move up it to will test load bar to connect with ball pin 1, can carry out axial direction at this time Rigidity test, including axial compression rigidity test and axial compression rigidity test.
As shown in figure 4, when being tested without interconnecting piece flexural pivot cover board extrusion pressure, specific embodiment are as follows: test axial direction After rigidity, rotation screw nipple 5 is detached from it with test load bar, unscrews fastening bolt 16 for the same work of flexural pivot part of detecting Make platform disengaging, flexural pivot part of detecting is placed on press bench 19, adjusts press machine and make 5 upper surface of screw nipple With 20 following table face contact of press machine loading blocks, the test of flexural pivot cover board extrusion pressure can be carried out at this time.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.

Claims (5)

1. a kind of multi-functional without interconnecting piece flexural pivot test tool characterized by comprising
Foil gauge (21), jacking block (14), fixed block (15), two halves circular block (18), L shape block (6), is threadedly coupled workbench (3) (5), switching cylindrical piece (7) are managed,
The foil gauge (21) is circumferentially attached to the ball pin front of band connection portion flexural pivot every 90 degree, is separated by two strains of 180 degree Piece constitutes one group totally two groups, and one group is used for X to calibration, and another group is demarcated for Y-direction;The jacking block (14) and fixed block (15) It is fixedly connected by fastening bolt (16), the ball seat (2) that the two halves circular block (18) fastens double team flexural pivot is placed in described In the centre bore of fixed block (15), the surrounding of the fixed block (15) has been disposed radially several threaded holes, in the threaded hole It is provided with the lock-screw (17) that may extend to the centre bore of the fixed block (15);
Described L shape block (6) horizontal component is provided with the length that threaded connection element is fixedly connected with testing machine force application rod (8) Circular hole, vertical portion are provided with the taper hole matched with ball pin (1) conical section, and the vertical portion end of the L shape block (6) is placed in the middle Ground is vertically arranged with the grooving for the taper hole that goes directly and the cross through hole across the grooving, is provided in the cross through hole The first clamping screw (4) and the first locking nut (13) matched;The screw nipple (5) passes through screw-threaded coupling ball pin.
2. one kind according to claim 1 is multi-functional without interconnecting piece flexural pivot test tool, which is characterized in that the spiral shell Line connecting component includes switching cylindrical piece (7), and switching cylindrical piece (7) upper end is provided with and the testing machine force application rod (8) The threaded hole of threaded connection, lower end are provided with the external screw thread for being inserted into the slotted hole and matching with the second locking nut (12).
3. one kind according to claim 1 is multi-functional without interconnecting piece flexural pivot test tool, which is characterized in that described two Semicircle block (18) arc-shaped inner surface is provided with the semi-circular recesses matched after fastening with the ball seat (2), the semicircle The two sides of groove are provided with the rib of limitation ball seat (2) upper and lower surface axial position, two halves circular block (18) the periphery wall diameter To being provided with several through-holes.
4. one kind according to claim 1 is multi-functional without interconnecting piece flexural pivot test tool, which is characterized in that when carry out not When band connection portion flexural pivot axial rigidity is tested, the jacking block (14) and fixed block (15) pass through fastening bolt (16) and are fixed on work Make on platform (3).
5. one kind according to claim 4 is multi-functional without interconnecting piece flexural pivot test tool, which is characterized in that the fixation Block (15) and the periphery wall of jacking block (14) are provided with the plane to fit with the top surface of the workbench (3).
CN201821276402.4U 2018-08-09 2018-08-09 It is a kind of multi-functional without interconnecting piece flexural pivot test tool Expired - Fee Related CN208847434U (en)

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Application Number Priority Date Filing Date Title
CN201821276402.4U CN208847434U (en) 2018-08-09 2018-08-09 It is a kind of multi-functional without interconnecting piece flexural pivot test tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821276402.4U CN208847434U (en) 2018-08-09 2018-08-09 It is a kind of multi-functional without interconnecting piece flexural pivot test tool

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110867318A (en) * 2019-12-12 2020-03-06 梁昌爱 Manufacturing method of heat dissipation cooling system of power transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110867318A (en) * 2019-12-12 2020-03-06 梁昌爱 Manufacturing method of heat dissipation cooling system of power transformer

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20190510

Termination date: 20190809