CN108692951B - Light automobile traction device strength test device - Google Patents
Light automobile traction device strength test device Download PDFInfo
- Publication number
- CN108692951B CN108692951B CN201710236009.6A CN201710236009A CN108692951B CN 108692951 B CN108692951 B CN 108692951B CN 201710236009 A CN201710236009 A CN 201710236009A CN 108692951 B CN108692951 B CN 108692951B
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A strength test device of a light automobile traction device comprises a support frame, a height adjusting mechanism and a load loading mechanism; the support frame comprises a bottom plate, a bottom surface capable of rotating on the bottom plate, a side frame standing on the bottom surface, and a large positioning pin assembly arranged between the bottom plate and the bottom surface; the lower part of the bottom plate is provided with a base, the guide rod is arranged in the mounting groove of the base through jackscrew bolts at two ends, the upper surface of the guide rod corresponds to the bottom of the bottom plate, and the periphery of the bottom plate is provided with a sliding component matched with the base to work; the height adjusting mechanism comprises a screw rod, a screw nut and a screw nut seat, wherein the lower end of the screw rod is arranged on the bottom surface through a screw rod base, the upper end of the screw rod is connected with a speed reducer, the input end of the speed reducer is provided with a hand wheel, and the side part of the screw nut seat is provided with a lifting plate; the load loading mechanism comprises an electric cylinder, an electric cylinder mounting seat and a small locating pin assembly. The invention can output enough load to meet the test of most light automobile traction devices, and has the advantages of simple structure, high test precision, convenient operation and small occupied area.
Description
Technical Field
The invention relates to an automobile traction device strength test device.
Background
At present, when the strength strong detection test of the light automobile traction device is carried out according to national standard GB 32087-2015 'light automobile traction device', the traction device needs to be respectively applied with tensile static load F and compressive static load F along the horizontal direction, the vertical direction plus or minus 5 DEG and the horizontal direction plus or minus 25 DEG during the test. At present, a special test device aiming at the standard is not available, and the angle is difficult to adjust and the accuracy of the angle is difficult to ensure when the test is carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the strength test device for the light automobile traction device, which can output a load large enough to meet the test of the light automobile traction device, and has the advantages of simple structure, high test precision, convenient operation and small occupied area.
The technical scheme of the invention is as follows: comprises a supporting frame, a height adjusting mechanism and a load loading mechanism; the support frame comprises a bottom plate, a bottom surface capable of rotating on the bottom plate, a side frame standing on the bottom surface, and a large positioning pin assembly arranged between the bottom plate and the bottom surface; the lower part of the bottom plate is provided with a base, the guide rod is arranged in the mounting groove of the base through jackscrew bolts at two ends, the guide groove corresponds to the bottom of the bottom plate above the guide rod, and the periphery of the bottom plate is provided with a sliding component matched with the base to work; the height adjusting mechanism comprises a screw rod, a screw nut and a screw nut seat, wherein the lower end of the screw rod is arranged on the bottom surface through a screw rod base, the upper end of the screw rod is connected with a speed reducer, the input end of the speed reducer is provided with a hand wheel, and the side part of the screw nut seat is provided with a lifting plate; the load loading mechanism comprises an electric cylinder, an electric cylinder mounting seat capable of rotating on the lifting plate, and a small locating pin assembly arranged between the lifting plate and the electric cylinder mounting seat.
The large locating pin assembly and the small locating pin assembly comprise locating pins and jackscrews arranged at the upper ends of the locating pins, more than two upper locating holes matched and assembled with the locating pins are arranged on the bottom surface and the electric cylinder mounting seat, and a lower locating hole corresponding to the upper locating hole is arranged on the bottom plate and the lifting plate.
The speed reducer is arranged at the upper part of the side frame.
The bottom surface is movably arranged on the bottom plate through a first middle positioning pin, and the electric cylinder mounting seat is movably arranged on the lifting plate through a second middle positioning pin.
The piston rod end of the electric cylinder is provided with a force sensor, and the loading head is fixed on the force sensor.
The bottom surface is octagonal, and the bottom plate is square. The sizes of the bottom surface and the bottom plate are optimized, the weight of the table body is reduced, and the table body is prevented from interfering with bolts on the bottom plate when the bottom surface rotates.
And a bolt component is further arranged between the bottom plate and the base, between the bottom surface and the bottom plate and between the lifting plate and the electric cylinder mounting seat.
The sliding component comprises balls and ball plungers, the balls are arranged in ball holes in the bottom plate through the ball plungers, and the side parts of the ball plungers are threaded parts.
The invention can meet various requirements of national standard GB 32087-2015 light vehicle traction device on the traction device test, can simply and accurately realize loading along horizontal direction, vertical direction + -5 degrees and horizontal direction + -25 degrees respectively, and can cover various light vehicle types. The invention adopts the screw pair to adjust the height of the loading mechanism, adopts the mode of positioning the central hole and the positioning pin to accurately adjust the vertical and horizontal output directions of the load, and adopts the liftable guide rod and the liftable ball to realize the sliding of the table body. It has the following advantages: 1) The application range is wide, and the test of various light automobile traction devices can be satisfied; 2) The angle is convenient, simple and accurate to adjust; 3) The adjustment of the table body is easy; 4) The structure is compact, and the integration level is high; 5) The electric cylinder is adopted to finish loading, so that the weight is light and the use is convenient.
Drawings
The invention is further illustrated by the following examples provided in connection with the accompanying drawings.
Fig. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a second schematic structural view of the present invention.
Fig. 3 is a schematic view of a horizontal angle adjustment and a sliding structure of the table body.
Fig. 4 is a schematic view of a vertical direction angle adjustment structure.
In the figure: 1. guide rod, 2, ejector pin bolt, 3, bottom plate, 4, ball and ball plunger (4-1, ball plunger, 4-2, ball), 5 tripod, 6, lifter plate, 7, electric cylinder mount pad, 8, servo electric cylinder, 9 force sensor, 10, loading head, 11, small locating pin assembly, 11-1, small locating pin, 11-2, small jackscrew, 12, screw rod base, 13, screw rod, 14, screw seat, 15, screw nut, 16, hand wheel, 17, speed reducer, 18, large locating pin assembly, 18-1, large locating pin, 18-2, large jackscrew.
Detailed Description
The examples provided by the present invention are further described in three respects.
First, the invention provides components and primary functions of the embodiments.
In fig. 1 and 2, the invention is composed of a load loading mechanism, a support adjusting mechanism and a table body sliding mechanism. The load loading mechanism comprises an electric cylinder, a force sensor 9 and a loading head 10, wherein the electric cylinder is a servo electric cylinder 8, the servo electric cylinder 8 is fixed on an electric cylinder mounting seat 7 through a bolt, the force sensor 9 is arranged at the piston rod end of the servo electric cylinder 8, the size of the loading load can be monitored, and the loading head 10 is fixed on the force sensor 9. The supporting and adjusting mechanism comprises a height adjustment mechanism and an angle adjustment mechanism, wherein the height adjustment mechanism adopts a screw pair for adjustment, and the angle adjustment mechanism comprises a vertical direction adjustment mechanism and a horizontal direction adjustment mechanism. The tripod 5 is installed on the sliding bottom plate 3 through a central hole and a fixing bolt, the horizontal direction angle is adjusted through a large locating pin assembly 18, and the large locating pin assembly 18 consists of a large locating pin 18-1 and a large jackscrew 18-2. The supporting and adjusting mechanism is provided with the bottom plate 3, the supporting frame (the supporting frame is a tripod in the example) 5 is matched with the central positioning hole on the bottom plate 3 through the middle positioning pin at the bottom of the supporting frame, so that the tripod 5 can rotate on the bottom plate 3, the tripod 5 is provided with three positioning holes with 25-degree intervals, and the position of the tripod 5 on the bottom plate 3 can be accurately positioned through the large positioning pin assembly 18. The lifting plate 6 is connected with the screw seat 14 through bolts. The electric cylinder mounting seat 7 is matched with the central positioning hole on the lifting plate 6 through the middle positioning pin at the bottom of the electric cylinder mounting seat 7, so that the electric cylinder mounting seat 7 can rotate on the lifting plate 6, three positioning holes with 5-degree intervals are formed in the electric cylinder mounting seat 7, and the position of the electric cylinder mounting seat 7 on the lifting plate 6 can be accurately positioned through the small positioning pin assembly 11. The small locating pin assembly 11 consists of a small locating pin 11-1 and a small jackscrew 11-2, when the small locating pin assembly is used, the lower end of the small locating pin 11-1 is in tight fit with a locating hole, the small jackscrew 11-2 passes through a threaded hole at the upper end of the small locating pin 11-1 to be abutted against the bottom surface, and the small locating pin 11-1 is driven to be pulled out of the locating hole by screwing the small jackscrew 11-2. The screw seat 14 is mounted on the screw rod 13 through a screw 15. The screw rod 13 is mounted on the tripod 5 through a screw rod base 12 and a speed reducer 17. The input end of the speed reducer 17 is provided with a hand wheel 16, and the height of the servo electric cylinder 8 can be adjusted up and down by rotating the hand wheel 16.
The table body sliding mechanism adopts the ball 4-2 to slide and the guide rod 1 to guide. The sliding bottom plate 3 is provided with a guide groove which is matched with the guide rod 1 to ensure that the table body slides linearly left and right. The guide rod 1 is arranged in the iron bottom plate groove, the ejector rod bolts 2 are arranged in threaded holes at two ends of the guide rod 1, and the position of the guide rod 1 in the iron bottom plate groove can be adjusted up and down by screwing the ejector rod bolts 2. The four ball holes on the bottom plate 3 are respectively provided with the balls 4-2 and the ball plungers 4-1, the balls 4-2 are arranged in the ball holes on the sliding bottom plate 3 through the ball plungers 4-1, and the balls 4-2 are ejected out of the ball holes through adjusting the ball plungers 4-1, so that the bottom plate 3 can be suspended on the iron bottom plate through the balls 4-2 to easily push the whole table body to slide.
Second, the loading direction is adjusted in the horizontal direction during the test.
In fig. 3, three positioning holes spaced by 25 ° are provided in the tripod 5, and one positioning hole is provided in the base plate 3. During the test, the fixing screw on the tripod 5 is removed, the large locating pin 18 is taken down, the tripod 5 is rotated, the required angle is adjusted to be plus 25 degrees, 0 degrees and minus 25 degrees, the large locating pin assembly 18 is inserted into the locating hole, and finally the fixing screw on the tripod 5 is screwed, so that the angle adjustment is finished. The method is simple and the angle adjusting precision is high.
Thirdly, the loading direction is adjusted in the vertical direction during the test.
In fig. 4, the electric cylinder mounting seat 7 is provided with three positioning holes at 5 ° intervals, and the lifting plate 6 is provided with a positioning hole. During the test, the fixing screw on the electric cylinder mounting seat 7 is removed, the small locating pin 11 is taken down, the electric cylinder mounting seat 7 is rotated, the required angle (plus 5 degrees, 0 degrees and minus 5 degrees) is adjusted, the small locating pin 11 is inserted into the locating hole, and finally the fixing screw on the electric cylinder mounting seat 7 is screwed, so that the angle adjustment is finished.
Claims (8)
1. A light car draw gear intensity test device, its characterized in that: comprises a supporting frame (5), a height adjusting mechanism and a load loading mechanism;
the support frame (5) comprises a bottom plate (3), a bottom surface capable of rotating on the bottom plate (3), a side frame standing on the bottom surface, and a large positioning pin assembly (18) arranged between the bottom plate (3) and the bottom surface; the lower part of the bottom plate (3) is provided with a base, the guide rod (1) is arranged in an installation groove of the base through jackscrew bolts (2) at two ends, the upper surface of the guide rod (1) corresponds to the bottom of the bottom plate (3), and the periphery of the bottom plate (3) is provided with a sliding component matched with the base to work;
the height adjusting mechanism comprises a screw rod (13), a screw nut (15) and a screw nut seat (14), wherein the lower end of the screw rod (13) is arranged on the bottom surface through a screw rod base (12), the upper end of the screw rod (13) is connected with a speed reducer (17), a hand wheel (16) is arranged at the input end of the speed reducer (17), and a lifting plate (6) is arranged at the side part of the screw nut seat (14);
the load loading mechanism comprises an electric cylinder (8), an electric cylinder mounting seat (7) capable of rotating on the lifting plate (6) and a small locating pin assembly (11) arranged between the lifting plate (6) and the electric cylinder mounting seat (7);
three positioning holes with an interval of 25 degrees are formed in the support frame (5), and a positioning hole is formed in the bottom plate (3); during the test, the fixing screw on the support frame (5) is removed, the large locating pin in the large locating pin assembly (18) is taken down, the support frame (5) is rotated, the required angle is adjusted, the large locating pin assembly (18) is inserted into the locating hole, and finally the fixing screw on the support frame (5) is screwed, and the angle adjustment is completed;
be equipped with three interval 5 locating hole on electronic jar mount pad (7), be equipped with a locating hole on lifter plate (6), unload the set screw on electronic jar mount pad (7) during the test, take off the little locating pin in little locating pin subassembly (11), rotate electronic jar mount pad (7), adjust to required angle, insert little locating pin in the locating hole again, screw up the set screw on electronic jar mount pad (7) at last, the angle modulation finishes.
2. The light vehicle traction device strength test apparatus of claim 1, wherein: the large locating pin assembly (18) and the small locating pin assembly (11) comprise locating pins and jackscrews arranged at the upper ends of the locating pins, more than two upper locating holes matched and assembled with the locating pins are formed in the bottom surface and the electric cylinder mounting seat (7), and a lower locating hole corresponding to the upper locating hole is formed in the bottom plate (3) and the lifting plate (6).
3. The light vehicle traction device strength test apparatus of claim 1, wherein: the speed reducer (17) is arranged at the upper part of the side frame.
4. The light vehicle traction device strength test apparatus of claim 1, wherein: the bottom surface is movably arranged on the bottom plate (3) through a first middle positioning pin, and the electric cylinder mounting seat (7) is movably arranged on the lifting plate (6) through a second middle positioning pin.
5. The light vehicle traction device strength test apparatus of claim 1, wherein: the piston rod end of the electric cylinder (8) is provided with a force sensor (9), and a loading head (10) is fixed on the force sensor (9).
6. The light vehicle traction device strength test apparatus of claim 1, wherein: the bottom surface is an octagonal plate, and the bottom plate (3) is a square plate.
7. The light vehicle traction device strength test apparatus of claim 1, wherein: bolt assemblies are further arranged between the bottom plate (3) and the base, between the bottom surface and the bottom plate (3), and between the lifting plate (6) and the electric cylinder mounting seat (7).
8. The light vehicle traction device strength test apparatus of claim 1, wherein: the sliding component comprises balls (4-2) and ball plungers (4-1), wherein the balls (4-2) are arranged in ball holes on a bottom plate (3) through the ball plungers (4-1), and the side parts of the ball plungers (4-1) are threaded parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236009.6A CN108692951B (en) | 2017-04-12 | 2017-04-12 | Light automobile traction device strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236009.6A CN108692951B (en) | 2017-04-12 | 2017-04-12 | Light automobile traction device strength test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692951A CN108692951A (en) | 2018-10-23 |
| CN108692951B true CN108692951B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710236009.6A Active CN108692951B (en) | 2017-04-12 | 2017-04-12 | Light automobile traction device strength test device |
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| Country | Link |
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| CN (1) | CN108692951B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887654B (en) * | 2019-12-15 | 2020-11-10 | 安徽青松工具有限公司 | Stretching device for trailer hook detection |
| CN110823600B (en) * | 2019-12-15 | 2020-08-25 | 安徽青松工具有限公司 | Test detection system of light automobile traction device |
| CN114962873A (en) * | 2022-04-18 | 2022-08-30 | 中国第一汽车股份有限公司 | Attitude adjustment decoupling type automobile traction device loading test equipment and attitude adjustment method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980043322A (en) * | 1996-12-02 | 1998-09-05 | 박병재 | Strength and durability test device of vehicle towing hook |
| KR20020039038A (en) * | 2000-11-20 | 2002-05-25 | 이계안 | Apparatus for testing hardness and persistence of pulling hook for vehicle |
| CN102829985A (en) * | 2012-08-22 | 2012-12-19 | 株洲时代新材料科技股份有限公司 | Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart |
| CN103698137A (en) * | 2013-11-28 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Loading testing device used in vehicle body traction device |
| CN105890668A (en) * | 2016-05-18 | 2016-08-24 | 苏州诚峰机电设备有限公司 | Simulation load assembly of automobile cable test machine |
| CN106289793A (en) * | 2015-05-15 | 2017-01-04 | 广州汽车集团股份有限公司 | Strength testing device |
| CN206627290U (en) * | 2017-04-12 | 2017-11-10 | 襄阳达安汽车检测中心 | A kind of light-duty vehicle draw-gear strength test device |
-
2017
- 2017-04-12 CN CN201710236009.6A patent/CN108692951B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980043322A (en) * | 1996-12-02 | 1998-09-05 | 박병재 | Strength and durability test device of vehicle towing hook |
| KR20020039038A (en) * | 2000-11-20 | 2002-05-25 | 이계안 | Apparatus for testing hardness and persistence of pulling hook for vehicle |
| CN102829985A (en) * | 2012-08-22 | 2012-12-19 | 株洲时代新材料科技股份有限公司 | Fatigue testing device and fatigue testing method for traction connecting rod system of single-rail cart |
| CN103698137A (en) * | 2013-11-28 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Loading testing device used in vehicle body traction device |
| CN106289793A (en) * | 2015-05-15 | 2017-01-04 | 广州汽车集团股份有限公司 | Strength testing device |
| CN105890668A (en) * | 2016-05-18 | 2016-08-24 | 苏州诚峰机电设备有限公司 | Simulation load assembly of automobile cable test machine |
| CN206627290U (en) * | 2017-04-12 | 2017-11-10 | 襄阳达安汽车检测中心 | A kind of light-duty vehicle draw-gear strength test device |
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| CN108692951A (en) | 2018-10-23 |
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