CN102183419B - Wheel wrench tester - Google Patents
Wheel wrench tester Download PDFInfo
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- CN102183419B CN102183419B CN201110054733XA CN201110054733A CN102183419B CN 102183419 B CN102183419 B CN 102183419B CN 201110054733X A CN201110054733X A CN 201110054733XA CN 201110054733 A CN201110054733 A CN 201110054733A CN 102183419 B CN102183419 B CN 102183419B
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- wheel spanner
- servomotor
- screw
- torque sensor
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Abstract
The invention relates to a wheel wrench tester. The wheel wrench tester is characterized by comprising a stander, a simulated screwhead, a torque sensor, a servo motor, an oscillating bar, a wheel wrench handle clamping mechanism and an industrial personal computer control system, wherein the simulated screwhead is arranged upward and used for sleeving a hexagonal sleeve of a tested wheel wrench; the torque sensor is arranged at the bottom of the simulated screwhead, and one end of the torque sensor is fixedly connected with the simulated screwhead and the other end of the torque sensor is fixed relative to the stander; the servo motor is fixed on the stander and positioned above the simulated screwhead; the output shaft of the servo motor is downward coaxial with the simulated screwhead; a rotation encoder for measuring an angular displacement of the output shaft is arranged on the servo motor; the oscillating bar is arranged transversely; one end of the oscillating bar is connected with the output shaft of the servo motor, and the other end of the oscillating bar extends; and the wheel wrench handle clamping mechanism extends downward from the oscillating bar body and is used for clamping and fixing a handle of the tested wheel wrench. The wheel wrench tester can automatically obtain a test result indicating whether the tested wheel wrench is qualified; therefore, troubles of manual measurement and judgment can be avoided, and the accuracy of the test result is guaranteed.
Description
Technical field
The present invention relates to a kind of automotive wheels spanner special tester, it applies moment of torsion by test request to wheel spanner, and can judge automatically that at last whether swing pinch bar surpasses setting value along the center line deflection, provides test result.
Background technology
Wheel spanner, as the specific purpose tool of automobile, it needs to test with continuing through testing fatigue before dispatching from the factory.Testing fatigue: promptly be with fastening nut of a fixing moment of torsion (about 220Nm is to 340Nm) degree of tightness, accomplish the degree of tightness cyclic process of set point number.Continue test: be on handle, to apply fixing moment of torsion (600 to 1000N) apart from Hexagonal jacket center 440 to 600mm with the wheel spanner that finishes testing fatigue; At last; Check that whether pinch bar surpasses setting value along the deflection of center line, is substandard product if surpass.
In the prior art; Fluid pressure type wheel spanner test machine is only arranged; It is by test request wheel spanner to be applied moment of torsion with a hydraulic cylinder, after wheel spanner is taken off from test machine, measures pinch bar along the deflection along center line with the mode of manual measurement at last; And with setting value relatively, draw whether qualified conclusion.Not enough below this fluid pressure type wheel spanner test machine exists:
1, can not judge automatically that whether the deflection through the wheel spanner handle of test surpasses setting value, provide test result, need manual measurement and judgement, consumption again consuming time is artificial;
2, adopt hydraulic cylinder, need to be equipped with hydraulic system, energy consumption is bigger, is prone to oil leaking pollution again.
Summary of the invention
The object of the invention provides a wheel spanner test machine, can not judge automatically that to solve prior art whether the wheel spanner handle deflection through test surpasses setting value, provides the problem of test result.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of wheel spanner test machine comprises:
One frame;
One simulation head of screw is provided with up, supplies the Hexagonal jacket cutting ferrule of measured wheel spanner;
One torque sensor is located at the bottom of simulating head of screw, and the one of which end is fixedly connected the simulation head of screw, and the relative frame of the other end is fixed;
One servomotor, be fixed on the frame and be positioned at the simulation head of screw the top, its output shaft down with the simulation head of screw be coaxially set; And, have the rotary encoder of the angular displacement that is used to measure output shaft on this servomotor;
One fork, along horizontally set, the one of which end is connected with the output shaft of servomotor, and the other end extends;
One wheel spanner handle clamping device by stretching out downwards on the fork shaft, is used for the handle of measured wheel spanner is clamped;
One industrial computer control system is connected with above-mentioned torque sensor, servomotor and rotary encoder.
Related content in the technique scheme is explained as follows:
1, in the such scheme, said industrial computer control system is meant with the industrial computer to be main automatic control system, generally comprises industrial computer, I/O control card, motion control card and data collecting card.Industrial computer, i.e. industrial computer, it comprises cabinet, passive backplane, industrial power, CPU, internal memory, video card, hard disk and display etc.
This industrial computer control system is used to accomplish following control: the signal that obtains with torque sensor and the torque ratio of setting are; Control servomotor stall when reaching the setting moment of torsion; And grasp the pulsed quantity that rotary encoder is exported, and calculate the anglec of rotation of servomotor, compare with the permissible value of setting; Draw the whether qualified test result of measured wheel spanner, and by showing on the display.
2, in the such scheme, said rotary encoder can be the servomotor scrambler that carries on the servomotor, also can be to be installed in being used on the servomotor to detect the scrambler of the angular displacement of servomotor output shaft.
3, in the such scheme, said frame is provided with a lifting table, and this lifting table is made up of the height adjustment mechanism on two guide rods, lifter plate and the effect lifter plate; Said two guide rods vertically are provided with; Lifter plate is set on two guide rods and is slidingly connected, and between lifter plate bottom and frame height adjustment mechanism is set, and said torque sensor is fixed on the upper surface of lifter plate; Thereby in the process of loading and unloading measured wheel spanner, can go up and down to simulate the position of head of screw through lifting table.
4, in the such scheme, the vertical section of corresponding measured wheel spanner is provided with wheel spanner vertical section clamping device on the said frame, is used for the vertical section of measured wheel spanner is clamped.
Design concept of the present invention is: on the one hand; The present invention is because of adopting torque sensor, servomotor and industrial computer control system; The suffered moment of torsion data of simulation head of screw that can automatically record in real time with torque sensor are controlled the running of servomotor, thereby can apply accurate moment of torsion to the measured wheel pinch bar by test request.On the other hand; Structurally be that the output shaft of servomotor and simulation head of screw are coaxially set; After the Hexagonal jacket of measured wheel spanner is placed on the simulation head of screw; Servomotor revolves to the handle of measured wheel spanner through fork and wheel spanner handle clamping device and adds moment of torsion, and the variation in angular displacement of servomotor output shaft can directly be represented the deflection that handle took place of wheel spanner, so with itself and setting value relatively; Can draw the whether qualified result of measured wheel spanner automatically, the trouble of having exempted manual measurement and judgement.
Because the application of technique scheme, the present invention compared with prior art has the following advantages:
1, whether qualified the present invention can apply accurate moment of torsion to the measured wheel pinch bar by test request, and can draw measured wheel spanner test result automatically, and the trouble of both having exempted manual measurement and judgement has guaranteed precision of test result again.
2, the present invention also can carry out the real-time curve monitoring to the tested suffered moment of torsion of spanner of swinging, and the data sync of being surveyed is preserved, and test is accomplished and obtained test report automatically, and test report comprises each association, supplies to print and preserve.Automaticity of the present invention is high, does not have the drawback of oil leaking pollution again.
Description of drawings
Accompanying drawing 3 is the block diagram of embodiment of the invention industrial computer control system;
Accompanying drawing 4 is the control flow chart of embodiment of the invention industrial computer control system.
In the above accompanying drawing: 1, frame; 2, simulation head of screw; 3, torque sensor; 4, servomotor; 5, fork; 6, wheel spanner handle clamping device; 7, measured wheel spanner; 8, rotary encoder; 9, speed reduction unit; 10, wheel spanner vertical section clamping device; 11, lifting table; 12, guide rod; 13, lifter plate; 14, worm-and-wheel gear; 15, handle.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment: shown in accompanying drawing 1～3:
A kind of wheel spanner test machine comprises frame 1, simulation head of screw 2, torque sensor 3, servomotor 4, fork 5 and wheel spanner handle clamping device 6; Said simulation head of screw 2 is provided with up, supplies the Hexagonal jacket cutting ferrule of measured wheel spanner 7; Said torque sensor 3 is located at the bottom of simulation head of screw 2, and the one of which end is fixedly connected simulation head of screw 2, and the relative frame 1 of the other end is fixed.
Said servomotor 4 is fixed on the frame 1 and is positioned at the top of simulation head of screw 2, and its output shaft is coaxially set with simulation head of screw 2 down, and, have the rotary encoder 8 of the angular displacement that is used to measure output shaft on this servomotor 4.Said fork 5 is along horizontally set, and the one of which end is connected with the output shaft of servomotor 4, and the other end extends.Specifically, in order to increase output torque, can in the output of servomotor 4, install speed reduction unit 9 additional, promptly the output shaft of servomotor 4 is in transmission connection through speed reduction unit 9 and fork 5 ends, but the center of rotation that must guarantee fork 5 still with the output shaft coaxial cable of servomotor 4.Said wheel spanner handle clamping device 6 by stretching out downwards on fork 5 shafts, is used for the handle of measured wheel spanner 7 is clamped.In addition, also can on frame 1, the vertical section of corresponding measured wheel spanner 7 also be provided with wheel spanner vertical section clamping device 10, be used for the vertical section of measured wheel spanner 7 is clamped.Wheel spanner handle clamping device 6 and wheel spanner vertical section clamping device 10 all can be formed by about two two fixture blocks and to folder screw etc.
Said frame 1 is provided with a lifting table 11; This lifting table 11 is made up of the height adjustment mechanism on two guide rods 12, lifter plate 13 and the effect lifter plate 13, and said two guide rods 12 vertically are provided with, and lifter plate 13 is set on two guide rods and is slidingly connected; 1 of lifter plate 13 bottoms and frame are provided with height adjustment mechanism; This height adjustment mechanism can be various hand or motorized adjustment mechanism, is exemplified as worm-and-wheel gear 14 like figure, connects handle 15 on the input shaft of this worm-and-wheel gear 14.Said torque sensor 3 is fixed on the upper surface of lifter plate 13.In the process of loading and unloading measured wheel spanner 7, can lifting table 11 be gone up and down through crank handle 15, and then simulation head of screw 2 is also gone up and down, be convenient to the clamping of measured wheel spanner 7.
Specifically, said industrial computer control system comprises industrial computer, I/O control card, motion control card and data collecting card, and the industrial computer control system is connected with torque sensor, servomotor and rotary encoder.This test machine also can comprise limit switch, emergency stop push button and audible-visual annunciator etc.Specifically as shown in Figure 3; Install additional on the passive backplane of industrial computer and connect I/O control card, motion control card and data collecting card; Limit switch, emergency stop push button and audible-visual annunciator are connected on the I/O control card; And torque sensor 3 is connected on the data collecting card with rotary encoder 8, and servomotor 4 is connected on the motion control card.
The concrete course of work of present embodiment is following, and process flow diagram is seen accompanying drawing 4:
When carrying out testing fatigue; Servomotor 4 actions; Apply moment of torsion through fork 5 and wheel spanner handle clamping device 6 to measured wheel spanner 7; This moment industrial computer high speed detection torque sensor 3 feedbacks instant torque, when torque that the instant torque of torque sensor 3 feedbacks equals to set, control servomotor 4 stops at once.Servomotor 4 stops the back keeping setting with current torque time; Industrial computer obtains the output pulsed quantity of rotary encoder 8 immediately after the time arrives; Calculate the angle (being angular displacement) of servomotor 4 rotations according to pulsed quantity; Industrial computer compares the angle (being angular displacement) of servomotor 4 rotations and the angle of setting again, thereby judges whether wheel spanner to be tested 7 is qualified.
For example:
If the torque=400NM that applies to wheel spanner is set in 1000 pulses of rotary encoder=1 degree, set the wheel spanner deflection that reaches torque and be qualified spanner less than 8 degree;
Behind test starting, if when industrial computer detects torque=400NM, the pulsed quantity of rotary encoder 8=8800, then the angle of servomotor 4 rotations is 8.8 degree, greater than 8 degree that set, judges that this wheel spanner is defective;
When if industrial computer detects torque=400NM, the pulsed quantity of rotary encoder 8=5300, then the anglec of rotation of servomotor 4 is 5.3 degree, less than 8 degree that set, judges that this wheel spanner is qualified.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. wheel spanner test machine is characterized in that: comprising:
One frame;
One simulation head of screw is provided with up, supplies the Hexagonal jacket cutting ferrule of measured wheel spanner;
One torque sensor is located at the bottom of simulating head of screw, and the one of which end is fixedly connected the simulation head of screw, and the relative frame of the other end is fixed;
One servomotor, be fixed on the frame and be positioned at the simulation head of screw the top, its output shaft down with the simulation head of screw be coaxially set; And, have the rotary encoder of the angular displacement that is used to measure output shaft on this servomotor;
One fork, along horizontally set, the one of which end is connected with the output shaft of servomotor, and the other end extends;
One wheel spanner handle clamping device by stretching out downwards on the fork shaft, is used for the handle of measured wheel spanner is clamped;
One industrial computer control system is connected with above-mentioned torque sensor, servomotor and rotary encoder.
2. according to the said wheel spanner test machine of claim 1; Its characteristic exists: be provided with a lifting table on the said frame; This lifting table is made up of the height adjustment mechanism on two guide rods, lifter plate and the effect lifter plate, and said two guide rods vertically are provided with, and lifter plate is set on two guide rods and is slidingly connected; Between lifter plate bottom and frame height adjustment mechanism is set; Said torque sensor is fixed on the upper surface of lifter plate, thereby in the process of loading and unloading measured wheel spanner, can go up and down to simulate the position of head of screw through lifting table.
3. according to the said wheel spanner test machine of claim 1, its characteristic exists: the vertical section of corresponding measured wheel spanner is provided with wheel spanner vertical section clamping device on the said frame, is used for the vertical section of measured wheel spanner is clamped.
4. according to the said wheel spanner test machine of claim 1, its characteristic exists: said industrial computer control system comprises industrial computer, I/O control card, motion control card and data collecting card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110054733XA CN102183419B (en) | 2011-03-08 | 2011-03-08 | Wheel wrench tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110054733XA CN102183419B (en) | 2011-03-08 | 2011-03-08 | Wheel wrench tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102183419A CN102183419A (en) | 2011-09-14 |
| CN102183419B true CN102183419B (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110054733XA Active CN102183419B (en) | 2011-03-08 | 2011-03-08 | Wheel wrench tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN102183419B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443283B (en) * | 2018-09-30 | 2020-09-04 | 长安大学 | Portable free gap detection device of aircraft |
| CN110595662B (en) * | 2019-08-30 | 2021-11-30 | 南京中车浦镇城轨车辆有限责任公司 | Method and device for detecting actual torque of railway vehicle after bolted connection |
| CN112936156B (en) * | 2020-04-14 | 2024-04-16 | 河南牛帕力学工程研究院 | Spanner |
| CN113848013B (en) * | 2021-09-19 | 2024-06-25 | 九德智能装备(常州)有限公司 | Vehicle armrest torque testing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188046Y (en) * | 2008-05-07 | 2009-01-28 | 中国北车集团大同电力机车有限责任公司 | Air-actuated torque spanner test bench |
| CN201731970U (en) * | 2010-07-30 | 2011-02-02 | 苏州龙盛测试设备有限公司 | Automatic calibration instrument of torque wrench |
| DE102009036691A1 (en) * | 2009-08-07 | 2011-02-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for non-destructive testing of e.g. welding screws, has changeable checking nut connected with hand-held wrenching tool by plug-in- or snap-fit connection and sectionally fixing work piece |
| CN201955213U (en) * | 2011-03-08 | 2011-08-31 | 苏州通锦精密工业有限公司 | Wheel wrench testing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0619315B2 (en) * | 1992-03-25 | 1994-03-16 | 東京工業大学長 | Displacement meter used for fastening screw tester etc. |
| US20100270721A1 (en) * | 2009-04-23 | 2010-10-28 | Chzn-Pou Liu | Holding device of a torque tester |
-
2011
- 2011-03-08 CN CN201110054733XA patent/CN102183419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188046Y (en) * | 2008-05-07 | 2009-01-28 | 中国北车集团大同电力机车有限责任公司 | Air-actuated torque spanner test bench |
| DE102009036691A1 (en) * | 2009-08-07 | 2011-02-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for non-destructive testing of e.g. welding screws, has changeable checking nut connected with hand-held wrenching tool by plug-in- or snap-fit connection and sectionally fixing work piece |
| CN201731970U (en) * | 2010-07-30 | 2011-02-02 | 苏州龙盛测试设备有限公司 | Automatic calibration instrument of torque wrench |
| CN201955213U (en) * | 2011-03-08 | 2011-08-31 | 苏州通锦精密工业有限公司 | Wheel wrench testing machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5－215657A 1993.08.24 |
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| CN102183419A (en) | 2011-09-14 |
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| C14 | Grant of patent or utility model | ||
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Address after: High tech Zone in Suzhou city of Jiangsu Province Jin Yan Road 215129 No. 8 Patentee after: Suzhou Tongjin precision industry Limited by Share Ltd Address before: 1 workshop No. 215129, Shishan industrial corridor, 89 Songshan Road, hi tech Zone, Jiangsu, Suzhou Patentee before: Suzhou Tongjin Precision Industry Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wheel wrench tester Effective date of registration: 20180326 Granted publication date: 20120725 Pledgee: Suzhou hi tech Zone SME Company limited by guarantee Pledgor: Suzhou Tongjin precision industry Limited by Share Ltd Registration number: 2018320010011 |
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Date of cancellation: 20200520 Granted publication date: 20120725 Pledgee: Suzhou hi tech Zone SME Company limited by guarantee Pledgor: SUZHOU TONGJIN PRECISION INDUSTRY JOINT-STOCK Co.,Ltd. Registration number: 2018320010011 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |