CN110174250A - A kind of quiet torsion set composite of axle power - Google Patents
A kind of quiet torsion set composite of axle power Download PDFInfo
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- CN110174250A CN110174250A CN201910325717.6A CN201910325717A CN110174250A CN 110174250 A CN110174250 A CN 110174250A CN 201910325717 A CN201910325717 A CN 201910325717A CN 110174250 A CN110174250 A CN 110174250A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of quiet torsion set composites of axle power, and the cover structure of an entirety is integrated into including axial force test device and static torque testing device and by axial force test device and static torque testing device.It has the advantage that: technical scheme will test in the structure composite to a whole outer framework of axle power and static torque, the globality of realization device, Installation And Test is convenient and efficient；The setting of bearing arrangement effectively avoids having the non-perpendicular masterpiece used time on load sensor loading end, load sensor data linear distortion, and in the carrying of static torque sensor when having put on non-rotating power, the problem of static torque sensing data is linearly distorted, the linear correctness of data is ensured；Whole device outlet only has a cable output, embodies the globality of device.
Description
Technical field
The present invention relates to the axle powers and spiral shell in a kind of test equipment more particularly to a kind of threaded fastener PVvalue testing
The test device of line torque.
Background technique
Threaded fastener is almost the mechanical part used on all mechanical equipments, and the performance of threaded fastener is shadow
One of the most important technology of MACHINERY JOINT reliability is rung, in order to avoid threaded fastener occurs with fastening during the fastening process
Occur super stubborn, leakage afterwards and twist and twist insufficient phenomenon, it is ensured that can work normally, need tight to screw thread after each threaded fastener fastening
The static torque (hereinafter referred to as quiet torsion) and axle power of firmware are tested.It is tested in traditional test mode using testing machine
When can only individually complete a performance test, such as individually quiet torsions test or individual axial force test, device structure is many and diverse, grasps
It is cumbersome to make program；And axle power is tested by using load sensor, there is the non-perpendicular masterpiece used time on load sensor loading end, bears
Lotus sensing data will be linearly distorted；Likewise, static torque sensor tests quiet torsion, static torque sensor carries inner sleeve
On when having non-rotating power, static torque sensing data will be linearly distorted, and existing equipment can not effective guarantee load sensor
The linear correctness with the test data of static torque sensor.
Therefore, in view of the foregoing drawbacks, need to improve the prior art.
Summary of the invention
In view of the above problems, the invention proposes a kind of quiet torsion set composites of axle power, to solve in above-mentioned background technique
Defect.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of quiet torsion set composite of axle power, including the test fixture for being packed into threaded fastener to be tested, the test fixture
There is the tubular structure of flanged structure for one end, via hole is arranged in the tubular structure other end, and the via diameter is less than institute
Tubular structure intracavity diameter is stated, the stem portion of threaded fastener to be tested is set on the outside of test fixture by the via hole,
Head is locked in the tubular structure inner cavity；Pin hole I is arranged in the flanged structure edge, and dress stop pin passes through the pin hole
I。
Further, tubular structure inner ring face and via hole inner ring face respectively with threaded fastener to be tested
The matching setting of the outer ring face on stem portion and head.
The quiet torsion load-bearing part of load is arranged in the tubular structure outer ring of the test fixture, and the quiet torsion load-bearing part of load is for real
The conduction of axle power and quiet torsion in existing test process；Inner hole is set inside the quiet torsion load-bearing part of the load, outside setting diameter according to
The ladder-like bulge-structure of three-level of secondary the first bulge-structure to successively decrease, the second bulge-structure and third protrusion structure, wherein described
First bulge-structure is contacted with the flanged structure of the tooling to be measured, and the diameter of the bulge-structure is greater than the flange knot
Structure diameter, when so that the tubular structure being packed into the quiet torsion load-bearing part of the load, it is quiet that the flanged structure is locked to the load
It turns round on the outside of load-bearing part；Pin hole II, the pin hole II is arranged beyond the part of the flanged structure area in first bulge-structure
The interior quiet torsion drive pin of installation；Pin hole III is arranged in the part that first bulge-structure is overlapped with the flanged structure area, described
Pin hole III is aligned setting with the pin hole I, and the both ends of the tooling stop pin are separately positioned on the pin hole I and the pin hole
Conduction in III, in carrying out between the test fixture and the quiet torsion load-bearing part of the load.
Further, the outer ring face that the quiet torsion load-bearing part inner hole of the load is contacted with the test fixture is bonded completely.
The bulge-structure outer ring is provided with bearing arrangement to realize the conduction of axle power and quiet torsion, the bearing arrangement packet
Include needle roller bearing without inner ring I, needle roller bearing without inner ring II and cylindrical roller thrust bearing；Wherein, the needle roller bearing without inner ring I
It is loaded on using basic shaft system in the inner hole of device housing, and is adopted with quiet first bulge-structure outer ring for turning round load-bearing part of the load
Use hole base system of fits；The needle roller bearing without inner ring II is set in load sensor inner hole using basic shaft system, and is born with described
The quiet third protrusion structure outer ring for turning round load-bearing part of lotus uses hole base system of fits；The large diameter of the cylindrical roller thrust bearing
Bearing ring is fixed on the loading end of the load sensor, it is small it is interior through bearing ring and copper cage rolling element using basic hole system dress
Assigned on quiet the second bulge-structure loading end for turning round load-bearing part of the load.
Static torque sensor is installed in the flanged structure outer ring of the test fixture, and the static torque sensor is logical
It crosses bolt and is fixed on outside described device and put on, inner ring is bonded the flanged structure outer ring setting, and the static torque passes
The setting of sensor inner ring pin hole IV, the pin hole IV and the pin hole II are aligned setting, and the quiet torsion drive pin both ends are respectively set
Conduction in pin hole II and pin hole IV, in carrying out between the quiet torsion load-bearing part of the load and the static torque sensor.
Based on above structure, in threaded fastener rotary course to be tested, since the effect of frictional force is so that tested spiral shell
Line fastener is driven to be transferred on the test fixture, and the test fixture is transferred to institute by the tooling stop pin
The quiet torsion load-bearing part of load is stated, the quiet torsion load-bearing part of load is transferred to the static torque sensor by the quiet torsion drive pin
Inner ring, so that the static torque sensor inner ring relatively rotates with static torque sensor outer ring, it is quiet described in this process
What state torque sensor was measured is the torque of tested threaded fastener.
The load sensor is mounted on load sensor mounting plate, and the two is arranged concentrically；The load sensor peace
Through-hole is set in loading board, and the installation for the test fixture is tested, the load sensor mounting plate and described device housing
Between an entirety is assembled by screw, the described device housing other side is assembled into an entirety, institute by screw and cover board
It states load sensor mounting plate, described device housing and the cover board and collectively constitutes the quiet cover structure for turning round set composite of axle power.
Based on above-mentioned bearing arrangement, when test, threaded fastener stress rotation to be tested, threaded fastener to be tested is by power
It is transmitted to the test fixture, and then is transmitted on the quiet torsion load-bearing part of the load, the needle roller bearing without inner ring I and the nothing
The quiet torsion load-bearing part of the load is kept concentric with described device housing by inner ring needle bearing II, by the static torque sensor
Non-rotating power is put in carrying be reduced to infinitely approach zero；The cylindrical roller thrust bearing between the load sensor with
Among the quiet torsion load-bearing part of load, non-perpendicular power suffered on the load sensor loading end is down to and is infinitely approached
Zero；Ensure data correctness.
Above-mentioned set composite further includes shielded cable structure, and signal cable I, the letter are connected on the load sensor
Number cable I is led at the end cap by the quiet torsion set composite inner space channel of axle power；The static torque sensor connection
There is signal cable II to be directed directly at the end cap；Aviation plug, the signal cable I and the signal are set on the end cap
Cable II is connected on the aviation plug, and the output of 8 core shielded cables is connected at the aviation plug.
The present invention also provides a kind of testing machine, which includes test machine frame, power source, the dynamic test device and such as turned round
The axle power that aforementioned techniques are stated quiet torsion set composite is provided with fixed mounting plate and linear on the table top of the test machine frame
Track, the quiet outer cover for turning round set composite of the axle power is mounted in the fixed mounting plate, so that set composite and fixation
Mounting plate assembly is integral, and fixed mounting plate allows the quiet torsion set composite of axle power along dynamic loaded on the sliding block of linear guides
Power source axis direction is free to slide；The power source is fixed on the table top of the test machine frame, and the axis of the power source
Line is parallel with the linear track；Dynamic test device of turning round includes dynamic torque sensor, sleeve, and the dynamic torque sensor is logical
Crossing shaft coupling makes dynamic torque sensor driving end and power source fixation integral, and the sleeve is located at the dynamic torsion sensor
Output end, the sleeve is placed on the outside of threaded fastener to be tested, the conduction of power when realizing power source starting.
Further, bearing panel, the loading end are provided between the load sensor mounting plate and the sleeve
Perforation is set on plate, to realize passing through for threaded fastener stem portion to be tested, and is being located at holding for the sleeve side
It is also equipped with backing plate on section plate, perforation is correspondingly arranged on the backing plate, threaded fastener stem portion to be tested passes through pad
Plate hole eye, and it is located at the eyelet center.
By implementing the above-mentioned quiet torsion set composite of axle power, have the following beneficial effects:
(1) technical scheme will test in the structure composite to a whole outer framework of axle power and quiet torsion, realization device
Globality, Installation And Test is convenient and efficient；
(2) setting of bearing arrangement effectively avoids having non-perpendicular masterpiece used time, load sensor number on load sensor loading end
When according to having put on non-rotating power in linear distortion and the carrying of static torque sensor, static torque sensing data is linearly lost
Genuine problem ensures the linear correctness of data；
(3) whole device outlet only has a cable output, embodies the globality of device.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the quiet torsion set composite structural schematic diagram of axle power in the specific embodiment of the invention；
Fig. 2 is to have testing machine partial structural diagram shown in FIG. 1 in the specific embodiment of the invention.
Appended drawing reference:
1, test fixture；10, tubular structure；11, flanged structure；12, via hole；13, tooling stop pin；100, in tubular structure
Chamber；110, pin hole I；
2, the quiet torsion load-bearing part of load；20, the first bulge-structure；21, the second bulge-structure；22, third protrusion structure；23, quiet torsion
Drive pin；200, pin hole II；
30, needle roller bearing without inner ring I；31, needle roller bearing without inner ring II；32, cylindrical roller thrust bearing；
4, load sensor；40, signal cable I；
5, static torque sensor；50, signal cable II；51, static torque sensor inner ring；52, outside static torque sensor
Circle；510, pin hole IV；
60, load sensor mounting plate；61, device housing；62, end cap；63, bearing panel；64, backing plate；65, it is fixedly mounted
Plate；620, aviation plug；
7, dynamic torque sensor；70, dynamic torque sensor drives end；71, sleeve；
80, bolt；81, nut；82, hexagon socket cap head screw；800, stem portion；801, head.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Below with reference to Fig. 1-2 torsion set composite quiet for axle power, it is described in detail for testing screw bolt and nut.
It is a kind of quiet torsion set composite of axle power as shown in Figure 1, including the test fixture 1 for being packed into bolt to be tested, surveys
Trial work fills 1 tubular structure 10 for one end with flanged structure 11, and via hole 12 is arranged in 10 other end of tubular structure, and via hole 12 is straight
Diameter is less than 100 diameter of tubular structure inner cavity, and the stem portion 800 of bolt 80 to be tested is set to test fixture 1 by via hole 12
Outside, head 801 are locked in tubular structure inner cavity 100；Pin hole I110, peace in pin hole I110 is arranged in 11 edge of flanged structure
Fill tooling stop pin 13.
Wherein, 10 inner ring face of tubular structure and 12 inner ring face of the via hole stem portion 800 with bolt 80 to be tested respectively
Setting is matched with the outer ring face on head 801.
10 outer ring of tubular structure of test fixture 1 is arranged the quiet torsion load-bearing part 2 of load, the quiet torsion load-bearing part 2 of load for realizing
The conduction of axle power and quiet torsion in test process；Inner hole is set inside the quiet torsion load-bearing part 2 of load, and outside setting diameter successively successively decreases
The first bulge-structure 20, the second bulge-structure 21 and third protrusion structure 22 the ladder-like bulge-structure of three-level, wherein first
Bulge-structure 20 is contacted with the flanged structure 11 of tooling to be measured, and the diameter of the bulge-structure is greater than 11 diameter of flanged structure, makes
Tubular structure 10 when being packed into quiet the torsions load-bearing part 2 of load, flanged structure 11 is locked on the outside of the quiet torsion load-bearing part 2 of load；First is convex
It plays structure 20 and pin hole II200 is set beyond the part of 11 area of flanged structure, the quiet torsion drive pin 23 of installation in pin hole II200；The
Pin hole III is arranged in the part that one bulge-structure 20 is overlapped with 11 area of flanged structure, and pin hole III is aligned setting with pin hole I110,
The both ends of tooling stop pin 13 are separately positioned in pin hole I110 and pin hole III, carry out test fixture 1 and the quiet torsion load-bearing part of load
Conduction between 2.
Wherein, the outer ring face that quiet torsion 2 inner hole of load-bearing part of load is contacted with test fixture 1 is bonded completely.
Wherein, the quantity of pin hole I110 and pin hole III and tooling stop pin 13 is arranged two, can basis in practical operation
It needs that any amount is arranged.
Bulge-structure outer ring is provided with bearing arrangement to realize the conduction of axle power and quiet torsion, and bearing arrangement includes no inner ring
Needle bearing I30, needle roller bearing without inner ring II31 and cylindrical roller thrust bearing 32；Wherein, needle roller bearing without inner ring I30 is used
Basic shaft system is loaded in the inner hole of device housing 61, and uses datum hole with quiet 20 outer ring of the first bulge-structure for turning round load-bearing part 2 of load
Prepare conjunction；Needle roller bearing without inner ring II31 is set in 4 inner hole of load sensor using basic shaft system, and with the quiet torsion load-bearing part of load
2 22 outer ring of third protrusion structure uses hole base system of fits；The large diameter bearing ring of cylindrical roller thrust bearing 32 uses metal
Adhesive is fixed on the loading end of load sensor 4, it is small it is interior through bearing ring and copper cage rolling element using basic hole system assembly
In on quiet 21 loading end of the second bulge-structure for turning round load-bearing part 2 of load.
Static torque sensor 5 is installed in 11 outer ring of flanged structure of test fixture 1, and static torque sensor 5 passes through interior six
Angle fillister head screw 82 is fixed on device housing 61, and inner ring is bonded the setting of 11 outer ring of flanged structure, and static torque passes
Sensor inner ring 51 is arranged pin hole IV510, pin hole IV510 and pin hole II200 and is aligned setting, and quiet 23 both ends of torsion drive pin are respectively set
Conduction in pin hole II200 and pin hole IV510, in carrying out between the quiet torsion load-bearing part 2 of load and static torque sensor 5.
Wherein, pin hole II200 and pin hole IV510 and the quiet quantity for turning round drive pin 23 are arranged four, can in practical operation
Any amount is set as needed.
Based on above structure, in 80 rotary course of bolt, due to frictional force effect so that by bolt 80 be driven from
And be transferred on test fixture 1, test fixture 1 is transferred to the quiet torsion load-bearing part 2 of load by tooling stop pin 13, and the quiet torsion of load is held
Holder 2 is transferred to static torque sensor inner ring 51 by quiet torsion drive pin 23 so that static torque sensor inner ring 51 with it is quiet
State torque sensor outer ring 52 relatively rotates, and what this process static torque sensor 5 was measured is tested bolt 80
Screw thread torque.
Load sensor 4 is mounted on load sensor mounting plate 60 by hexagon socket cap head screw 82, and the two is concentric
Setting；Through-hole is set on load sensor mounting plate 60, the installation for test fixture 1 is tested, load sensor mounting plate 60
An entirety is assembled by interior hexagonal round head screw between device housing 61,61 other side of device housing passes through interior hexagonal circle
Chapiter screw 82 and cover board are assembled into an entirety, and load sensor mounting plate 60, device housing 61 and cover board collectively constitute axis
The quiet cover structure for turning round set composite of power.
Wherein, the inner ring of device housing 61 is globoidal structure, to reduce friction.
Based on above-mentioned bearing arrangement, when test, is rotated to 80 stress of bolt, power is transmitted to test fixture 1 to bolt 80,
And then be transmitted on the quiet torsion load-bearing part 2 of load, needle roller bearing without inner ring I30 and needle roller bearing without inner ring II31 hold the quiet torsion of load
Holder 2 keeps concentric with device housing 61, by static torque sensor 5 carry it is interior put on non-rotating power and be reduced to infinitely approach
Zero；Cylindrical roller thrust bearing 32 is among load sensor 4 and the quiet torsion load-bearing part 2 of load, by 4 loading end of load sensor
Upper suffered non-perpendicular power, which is down to, infinitely approaches zero, ensures data correctness.
Signal cable I40 is connected on load sensor 4, signal cable is logical by the quiet torsion set composite inner space of axle power
Road is led at end cap 62；Static torque sensor 5 is connected with signal cable II50 and is directed directly at end cap 62；It is arranged on end cap 62
Aviation plug 620, signal cable I40 and signal cable II50 are connected at aviation plug 620, are connected at aviation plug 620
Piece 8 core shielded cables (attached drawing is not shown a) output.
It is a kind of partial structurtes of testing machine as shown in Figure 2, which includes test machine frame (attached drawing is not shown), moves
Power source (attached drawing is not shown), dynamic torsion test device, and such as the quiet torsion set composite of axle power that aforementioned techniques are stated, test board
Fixed mounting plate 65 and linear track (attached drawing is not shown), the quiet outer cover installation for turning round set composite of axle power are provided on the table top of frame
In fixed mounting plate 65, so that set composite assembles integral with fixed mounting plate 65, fixed mounting plate 65 is loaded on linearly leading
On the sliding block of rail, allow the quiet torsion set composite of axle power free to slide along power source axis direction；Power source is mentioned for test
For the source of rotary power, generally provided using servo motor cooperation planet-gear speed reducer, power source is fixed on test board
On the table top of frame, and the axis of power source is parallel with linear track；Dynamic test device of turning round includes dynamic torque sensor 7, sleeve
71, dynamic torsion sensor 7 makes dynamic sensor 7 of turning round drive end 70 and power source fixation integral by shaft coupling, and sleeve 71 is located at
The dynamic output end for turning round sensor 7, sleeve 71 are placed on 8181 outside of nut to be tested, and the torque of power source output turns round sensing by dynamic
Device 7 is transferred on sleeve 71, the conduction of power when realizing power source starting.
Wherein, it is provided with bearing panel 63 between load sensor mounting plate 60 and sleeve 71, is arranged on bearing panel 63
Perforation to realize passing through to 80 stem portion 800 of bolt, and is also installed on the bearing panel 63 for being located at 71 side of sleeve
There is the smooth hard packing plate 64 in surface, be correspondingly arranged perforation on the smooth hard packing plate 64 in surface, passes through pad to 80 stem portion 800 of bolt
64 eyelet of plate, and it is located at the eyelet center.
Based on above structure, when carrying out axle power and quiet torsional test, tested bolt is packed into test fixture, will be tested
Tooling is fitted into the quiet torsion set composite of axle power in quiet 2 inner hole of torsion load-bearing part of load, and tested bolt head 801 compares quilt beyond part
81 thickness of nut and the smooth 64 thickness summation of hard packing plate in surface mostly about 5mm are tested, tested nut 81 is spun on tested spiral shell manually
On bolt and tested 81 surface of nut must not be contacted with the smooth hard packing plate 64 in surface, and the quiet torsion set composite of axle power is pushed to be tested
Nut 81 is tried to enter in sleeve 71；Start power source, tested nut 81 is made by dynamic torsion sensor 7 and 71 conductance of sleeve
Start to rotate, this is tested bolt in the process, test fixture, the quiet torsion load-bearing part 2 of load, cylindrical roller thrust bearing 32, bears
Lotus sensor 4, bearing panel 63, the smooth hard packing plate 64 in surface, generates between tested nut 81 load sensor mounting plate 60
Axial force；The power of test is transferred at the aviation plug 620 of cover board by load sensor 4 by signal cable I40, and passes through 8
The output of core shielded cable.
In tested 81 rotary course of nut, since the effect of frictional force is so that tested bolt is driven to transmit
To test fixture, test fixture is transferred to the quiet torsion load-bearing part 2 of load by tooling stop pin 13, and the quiet torsion load-bearing part 2 of load is logical
It crosses quiet torsion drive pin 23 and is transferred to static torque sensor inner ring 51, so that static torque sensor inner ring 51 and static torque pass
Sensor outer ring 52 relatively rotates, and what this process static torque sensor 5 was measured is tested bolt and tested nut
Torque between 81；The power of test is transferred to the aviation plug 620 of cover board by static torque sensor 5 by signal cable II50
Place, and exported by 8 core shielded cables.
It should be added that unless otherwise defined, the technical term or scientific term used herein should be this
The ordinary meaning that personage in field that the present invention belongs to general technical ability is understood.Present patent application specification and right
" connection " used in claim either the similar word such as " connected " is not limited to physics or mechanical connection, but
It may include electrical connection, it is either direct or indirect."upper", "lower" " end ", " side " etc. are only used for indicating opposite
Positional relationship, after the absolute position for being described object changes, then the relative positional relationship also correspondingly changes.
Those skilled in the art will readily occur to other realities of the invention after considering the invention of specification and practice here
Apply scheme.This application is intended to cover any purposes of the invention, perhaps these purposes of adaptive change or adaptive change are abided by
Follow general principle of the invention and including the undocumented common knowledge or conventional techniques in the art of the present invention.
The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are pointed out by claims.
It should be understood that the invention is not limited to the structures for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change under the premise of without departing from the scope.The scope of the present invention only by appended claims Lai
Limitation.
Claims (10)
1. a kind of quiet torsion set composite of axle power, including the test fixture for being packed into threaded fastener to be tested, the test work
Dress is the tubular structure that one end has flanged structure, and via hole, the flanged structure edge is arranged in the tubular structure other end
Pin hole I is set, and tooling stop pin passes through the pin hole I；
The quiet torsion load-bearing part of load is arranged in the tubular structure outer ring of the test fixture, and the quiet torsion load-bearing part of load is for realizing survey
The conduction of axle power and static torque during examination；Inner hole is set inside the quiet torsion load-bearing part of load, and outside setting diameter is successively
The ladder-like bulge-structure of three-level of the first bulge-structure, the second bulge-structure and third protrusion structure that successively decrease, wherein described
One bulge-structure is contacted with the flanged structure of the tooling to be measured, and the diameter of the bulge-structure is greater than the flanged structure
Diameter, when so that the tubular structure being packed into the quiet torsion load-bearing part of the load, the flanged structure is locked to the quiet torsion of the load
On the outside of load-bearing part；First bulge-structure is beyond in part setting the pin hole II, the pin hole II of the flanged structure area
Quiet torsion drive pin is installed；Pin hole III, the pin is arranged in the part that first bulge-structure is overlapped with the flanged structure area
Hole III is aligned setting with the pin hole I, and the both ends of the tooling stop pin are separately positioned on the pin hole I and the pin hole III
In, the conduction in carrying out between the test fixture and the quiet torsion load-bearing part of the load；
The bulge-structure outer ring is provided with bearing arrangement to realize the conduction of axle power and quiet torsion, and the bearing arrangement includes nothing
Inner ring needle bearing I, needle roller bearing without inner ring II and cylindrical roller thrust bearing；Wherein, the needle roller bearing without inner ring I between
Between described device housing and quiet first bulge-structure for turning round load-bearing part of the load；The needle roller bearing without inner ring II is situated between
Between the quiet third protrusion structure for turning round load-bearing part of the load sensor and the load；The cylindrical roller thrust axis
The large diameter bearing ring held is fixed on the loading end of the load sensor, small interior through bearing ring and copper cage rolling element dress
Assigned on quiet the second bulge-structure loading end for turning round load-bearing part of the load；
Static torque sensor is installed in the flanged structure outer ring of the test fixture, and the static torque sensor passes through spiral shell
Bolt, which is fixed on outside described device, to be put on, and inner ring is bonded the flanged structure outer ring setting, and the static torque sensor
Inner ring setting pin hole IV, the pin hole IV and the pin hole II are aligned setting, and the quiet torsion drive pin both ends are separately positioned on pin
Conduction in hole II and pin hole IV, in carrying out between the quiet torsion load-bearing part of the load and the static torque sensor；
The load sensor is mounted on load sensor mounting plate, and the two is arranged concentrically；The load sensor mounting plate
Upper setting through-hole, the installation for the test fixture is tested, between the load sensor mounting plate and described device housing
It is assembled into an entirety by screw, the described device housing other side is assembled into an entirety by screw and cover board, described negative
Lotus sensor mounting plate, described device housing and the cover board collectively constitute the quiet cover structure for turning round set composite of axle power；
Aviation plug is set on the end cap, 8 core shielded cables of connection output at the aviation plug.
2. the quiet torsion set composite of axle power according to claim 1, it is characterised in that: the via diameter is less than the tubulose
The stem portion of structure inner chamber diameter, threaded fastener to be tested is set on the outside of test fixture by the via hole, head card
It terminates in the tubular structure inner cavity.
3. the quiet torsion set composite of axle power according to claim 1, it is characterised in that: tubular structure inner ring face and institute
It states via hole inner ring face and matches setting with the outer ring face on the stem portion of threaded fastener to be tested and head respectively.
4. the quiet torsion set composite of axle power according to claim 1, it is characterised in that: the quiet torsion load-bearing part inner hole of load with
The outer ring face of the test fixture contact is bonded completely.
5. the quiet torsion set composite of axle power according to claim 1, it is characterised in that: be connected with letter on the load sensor
Number cable I, the signal cable I lead to the aviation at the end cap by the quiet torsion set composite inner space channel of axle power
On plug；The static torque sensor is connected on the aviation plug that signal cable II is directed directly at the end cap.
6. the quiet torsion set composite of axle power according to claim 1, it is characterised in that: the needle roller bearing without inner ring I is used
Basic shaft system is loaded in the inner hole of device housing, and uses base with quiet first bulge-structure outer ring for turning round load-bearing part of the load
Hole prepares conjunction；The needle roller bearing without inner ring II is set in load sensor inner hole using basic shaft system, and quiet with the load
The third protrusion structure outer ring for turning round load-bearing part uses hole base system of fits；The large diameter pressure-bearing of the cylindrical roller thrust bearing
Ring is fixed on the loading end of the load sensor, small interior to be assemblied in copper cage rolling element using basic hole system through bearing ring
On quiet the second bulge-structure loading end for turning round load-bearing part of the load.
7. a kind of testing machine, which is characterized in that it is quiet to be equipped with the described in any item axle powers of preceding claims 1-6 on the testing machine
Turn round set composite.
8. testing machine according to claim 7, which is characterized in that including test machine frame, power source, dynamic torsion test device
The quiet torsion set composite of axle power stated with such as aforementioned techniques, it is described test machine frame table top on be provided with fixed mounting plate and
Linear track, the quiet outer cover for turning round set composite of the axle power are mounted in the fixed mounting plate so that set composite with
Fixed mounting plate assembly is integral, and fixed mounting plate is loaded on the sliding block of linear guides, so that the quiet torsion set composite of axle power can be with
It is free to slide along power source axis direction；The power source is fixed on the table top of the test machine frame, and the power source
Axis it is parallel with the linear track；Dynamic test device of turning round includes dynamic torque sensor, sleeve, the dynamic torque sensing
Device makes dynamic torque sensor drive end and power source fixation integral by shaft coupling, and the sleeve is located at dynamic torsion
The output end of square sensor, the sleeve are placed on the outside of threaded fastener to be tested, the biography of power when realizing power source starting
It leads.
9. testing machine according to claim 7, which is characterized in that between the load sensor mounting plate and the sleeve
It is provided with bearing panel, perforation is set on the bearing panel, to realize passing through for threaded fastener stem portion to be tested.
10. testing machine according to claim 9, which is characterized in that also pacify on the bearing panel of the sleeve side
Equipped with backing plate, perforation is correspondingly arranged on the backing plate, threaded fastener stem portion to be tested passes through padeye, and is located at
The eyelet center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325717.6A CN110174250B (en) | 2019-04-22 | 2019-04-22 | Axial force static torsion composite device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325717.6A CN110174250B (en) | 2019-04-22 | 2019-04-22 | Axial force static torsion composite device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110174250A true CN110174250A (en) | 2019-08-27 |
| CN110174250B CN110174250B (en) | 2022-07-19 |
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