CN206311248U - A kind of rotary shaft destructive testing device under given moment of torsion - Google Patents
A kind of rotary shaft destructive testing device under given moment of torsion Download PDFInfo
- Publication number
- CN206311248U CN206311248U CN201621144142.6U CN201621144142U CN206311248U CN 206311248 U CN206311248 U CN 206311248U CN 201621144142 U CN201621144142 U CN 201621144142U CN 206311248 U CN206311248 U CN 206311248U
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- China
- Prior art keywords
- rotary shaft
- shaft
- flywheel
- measured
- bearing seat
- Prior art date
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- 238000009658 destructive testing Methods 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses the rotary shaft destructive testing device under a kind of given moment of torsion, including motor, clutch, driving shaft, flywheel, rotary shaft to be measured, universal joint, first shaft coupling, torque sensor, second shaft coupling, brake disc and workbench, motor connects one end of driving shaft, flywheel is installed on driving shaft, the other end of driving shaft connects one end of rotary shaft to be measured by universal joint, and rotary shaft to be measured is sequentially connected first bearing seat, first shaft coupling, torque sensor, second shaft coupling, second bearing seat and brake disc.The utility model provides rotary inertia using the larger flywheel of quality, and motor only needs to drive flywheel to specified rotating speed, therefore motor selects common electric machine, greatly reduces the cost of equipment；Using flywheel as impulse source, it is the size that can control different size of impulsive torque power to control the quality of flywheel and the braking time of brake disc, so as to adapt to the test of different moments of torsion.
Description
Technical field
The utility model is related to torsion-testing technical field, in particular, more particularly to turning under a kind of given moment of torsion
Moving axis destructive testing device.
Background technology
Rotary shaft connection zero main part of product must be used, and moment of torsion was born for not only having born moment of flexure in rotation work
Axle.The peak torque that rotary shaft can bear directly influences the performance of rotary shaft and uses, therefore, dispatched from the factory in rotary shaft
Before, it is necessary to by torsion-testing, i.e., in the destructive testing of the given peak torque of rotary shaft, check in the maximum torque
In the case of rotary shaft whether can be twisted off, could be used as certified products after the assay was approved.As a rule, rotary shaft is measured
The method of moment of torsion is that the rotation of rotary shaft is driven using one end of motor connection rotary shaft, the other end connection brake of rotary shaft
Disk, is also associated with the torque sensor for measuring moment of torsion on the rotating shaft.The rotary shaft relatively low for partial torque demand is come
Say, can so measure the moment of torsion of rotary shaft really, but the rotary shaft larger for torque, and this method just cannot be direct
Carry out, because the power for needing motor to provide when reaching peak torque is very big, cannot actually buy ready-made high-power
Motor is too high using the cost of heavy-duty motor, does not meet the demand of actual production reduces cost.Therefore, a kind of energy is designed
The torsion-testing method and device of enough rotary shafts that high torque is realized with common electric machine seem particularly necessary.
Utility model content
The purpose of this utility model is because power of motor limitation causes in the torsion-testing method for solve existing rotary shaft
The test problem of large torque rotates axle cannot be carried out, there is provided a kind of use common electric machine is the given of attainable high torque
Rotary shaft destructive testing method and its device under moment of torsion.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of rotary shaft destructive testing device under given moment of torsion, including motor, clutch, driving shaft, flywheel,
Rotary shaft to be measured, universal joint, first shaft coupling, torque sensor, second shaft coupling, brake disc and workbench, the driving electricity
Machine connects one end of driving shaft by clutch, and flywheel is provided with the driving shaft, and the driving shaft is by being arranged on work
3rd bearing seat and fourth bearing seat on platform are supported, and the other end of driving shaft connects rotary shaft to be measured by universal joint
One end, the rotary shaft to be measured is sequentially connected first bearing seat, first shaft coupling, torque sensor, second shaft coupling, the second axle
Bearing and brake disc, the rotary shaft to be measured are supported by first bearing seat and second bearing seat, the rotary shaft to be measured
It is horizontally disposed with driving shaft；The brake disc, motor, first bearing seat, second bearing seat, 3rd bearing seat and the 4th
Bearing block is each attached on workbench, the rotary shaft to be measured, first bearing seat, first shaft coupling, torque sensor, second
The axle center of axle device, second bearing seat and brake disc is located on the same line.
Further, into 120-180 degree angle between the driving shaft and rotary shaft to be measured.
Further, the motor is fixed on the table by motor cabinet.
Further, the flywheel is the discoid flywheel of uniform quality distribution.
The beneficial effects of the utility model are：The utility model provides rotary inertia using the larger flywheel of quality, drives
Dynamic motor only needs to drive flywheel to rotating speed is specified, and without time requirement, therefore motor selects common electric machine, pole
The big cost for reducing equipment；Using flywheel as impulse source, actually required moment of torsion is directly provided by flywheel, controls flywheel
Quality and brake disc braking time be can control different size of impulsive torque power, so as to adapt to the test of different moments of torsion；
Torque sensor is used to detect the actual torque value that rotary shaft to be measured is subject in destructive testing, is easy to understand in process of the test and turns round
The size of square value and change；The utility model can not only measure the moment of torsion of rotary shaft to be measured, can also measure including rotary shaft, universal
The peak torque of the rotary shaft on the workpiece such as the particular automobile part of section and driving shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the rotary shaft destructive testing device under a kind of given moment of torsion described in the utility model.
In figure, 1- motors, 2- driving shafts, 3- flywheels, 4- rotary shafts to be measured, 5- universal joints, 6- first shaft couplings, 7-
Torque sensor, 8- second shaft couplings, 9- first bearing seats, 10- second bearing seats, 11- 3rd bearings seat, 12- fourth bearings
Seat, 13- brake discs, 14- workbench, 15- clutches.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, the rotary shaft destructive testing device under a kind of given moment of torsion, including motor 1, clutch
15th, driving shaft 2, flywheel 3, rotary shaft to be measured 4, universal joint 5, first shaft coupling 6, torque sensor 7, second shaft coupling 8, brake
Disk 13 and workbench 14, the motor 1 connect one end of driving shaft 2 by clutch 15, are provided with the driving shaft 2
Flywheel 3, the driving shaft 2 is supported by the 3rd bearing seat 11 and fourth bearing seat 12 being arranged on workbench 14, main
The other end of moving axis 2 connects one end of rotary shaft to be measured 4 by universal joint 5, and the rotary shaft to be measured 4 is sequentially connected clutch shaft bearing
Seat 9, first shaft coupling 6, torque sensor 7, second shaft coupling 8, second bearing seat 10 and brake disc 13, the rotary shaft to be measured
4 are supported by first bearing seat 9 and second bearing seat 10, and the rotary shaft to be measured 4 is horizontally disposed with driving shaft 2；Institute
State brake disc 13, motor 1, first bearing seat 9, second bearing seat 10,3rd bearing seat 11 and fourth bearing seat 12 solid
It is scheduled on workbench 14, the rotary shaft to be measured 4, first bearing seat 9, first shaft coupling 6, torque sensor 7, second shaft coupling
8th, the axle center of second bearing seat 10 and brake disc 13 is located on the same line.
Into 120-180 degree angle between the driving shaft 2 and rotary shaft to be measured 4, between driving shaft 2 and rotary shaft to be measured 4
Best angle is 150 degree.
The motor 1 is fixed on workbench 14 by motor cabinet.Motor cabinet is bolted on workbench 14
On, motor 1 is bolted on motor cabinet.
The flywheel 3 is the discoid flywheel of uniform quality distribution.The quality of flywheel 3 is larger, and motor 1 only needs to provide
Ordinary rotational speed flywheel driven 3 is rotated can provide larger rotary inertia to flywheel 3, so as to realize that rotary shaft to be measured 4 is promptly made
Larger impulsive torque is produced when dynamic.
The impulsive torque that the utility model is applied to rotary shaft to be measured is measured, while being also applied for rotary shaft to be measured with active
The impulsive torque measurement of the auto parts and components that axle and universal joint are integrally constituted, measurement accuracy is high, complete equipment low cost.
The specific method of testing of the utility model is as follows：
A kind of rotary shaft destructive testing method under given moment of torsion, installs on the driving shaft 2 being connected with motor 1
One flywheel 3, and the other end of driving shaft 2 is connected into one end of rotary shaft to be measured 4 by universal joint 5, rotary shaft to be measured 4 it is another
One end is sequentially connected first shaft coupling 6, torque sensor 7, second shaft coupling 8 and brake disc 13, is driven by motor 1 and led
Flywheel 3 on moving axis 2 is rotated, and when flywheel 3 reaches specified rotating speed N, control brake disc 13 completes system in specified braking time s
It is dynamic and big using the moment of torsion that rotary shaft to be measured 4 in the detection braking procedure of torque sensor 7 being connected with rotary shaft to be measured 4 is subject to
Small and torque limit.
The braking brake time s of brake disc 13 and the rotary inertia J of flywheel 3 directly affect the maximum torsion of rotary shaft to be measured 4
Square value M, its computing formula is：
In formula, w0Start the angular speed of moment in braking time s for flywheel 3, w terminates moment for flywheel 3 in braking time s
Angular speed, because the end-state of flywheel 3 is totally stationary, so w=0.
Flywheel 3 is that uniform quality is distributed and in the form of annular discs, and the computing formula of the rotary inertia J of flywheel 3 is：
In formula, M is the quality of flywheel 3, and R is the radius of flywheel 3.
The motor 1 connects driving shaft 2 by clutch 15, and clutch 15 will when flywheel 3 reaches specified rotating speed N
Driving shaft 2 is disengaged with motor 1.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized on the basis of above-described embodiment without creative work, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (5)
1. the rotary shaft destructive testing device under a kind of given moment of torsion, it is characterised in that：Including motor (1), clutch
(15), driving shaft (2), flywheel (3), rotary shaft to be measured (4), universal joint (5), first shaft coupling (6), torque sensor (7),
Two shaft couplings (8), brake disc (13) and workbench (14), the motor (1) connect driving shaft (2) by clutch (15)
One end, flywheel (3) is installed on the driving shaft (2), the driving shaft (2) by be arranged on workbench (14) the 3rd
Bearing block (11) and fourth bearing seat (12) are supported, and the other end of driving shaft (2) connects rotation to be measured by universal joint (5)
One end of axle (4), the rotary shaft (4) to be measured is sequentially connected first bearing seat (9), first shaft coupling (6), torque sensor
(7), second shaft coupling (8), second bearing seat (10) and brake disc (13), the rotary shaft (4) to be measured is by first bearing seat
(9) it is supported with second bearing seat (10), the rotary shaft (4) to be measured is horizontally disposed with driving shaft (2)；The brake disc
(13), motor (1), first bearing seat (9), second bearing seat (10), 3rd bearing seat (11) and fourth bearing seat (12)
It is each attached on workbench (14), the rotary shaft (4) to be measured, first bearing seat (9), first shaft coupling (6), torque sensor
(7), the axle center of second shaft coupling (8), second bearing seat (10) and brake disc (13) is located on the same line.
2. the rotary shaft destructive testing device under a kind of given moment of torsion according to claim 1, it is characterised in that：It is described
Into 120-180 degree angle between driving shaft (2) and rotary shaft to be measured (4).
3. the rotary shaft destructive testing device under a kind of given moment of torsion according to claim 2, it is characterised in that：It is described
Best angle between driving shaft (2) and rotary shaft to be measured (4) is 150 degree.
4. the rotary shaft destructive testing device under a kind of given moment of torsion according to claim 1, it is characterised in that：It is described
Motor (1) is fixed on workbench (14) by motor cabinet.
5. the rotary shaft destructive testing device under a kind of given moment of torsion according to claim 1, it is characterised in that：It is described
The discoid flywheel that flywheel (3) is distributed for uniform quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144142.6U CN206311248U (en) | 2016-10-20 | 2016-10-20 | A kind of rotary shaft destructive testing device under given moment of torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144142.6U CN206311248U (en) | 2016-10-20 | 2016-10-20 | A kind of rotary shaft destructive testing device under given moment of torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311248U true CN206311248U (en) | 2017-07-07 |
Family
ID=59243373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144142.6U Expired - Fee Related CN206311248U (en) | 2016-10-20 | 2016-10-20 | A kind of rotary shaft destructive testing device under given moment of torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668730A (en) * | 2019-01-30 | 2019-04-23 | 成都瑞迪机械科技有限公司 | Life test tooling and life testing method for harmonic wave speed reducing machine |
-
2016
- 2016-10-20 CN CN201621144142.6U patent/CN206311248U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668730A (en) * | 2019-01-30 | 2019-04-23 | 成都瑞迪机械科技有限公司 | Life test tooling and life testing method for harmonic wave speed reducing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20201020 |