CN202693276U - Fatigue test table of engine connecting rod - Google Patents
Fatigue test table of engine connecting rod Download PDFInfo
- Publication number
- CN202693276U CN202693276U CN 201220260384 CN201220260384U CN202693276U CN 202693276 U CN202693276 U CN 202693276U CN 201220260384 CN201220260384 CN 201220260384 CN 201220260384 U CN201220260384 U CN 201220260384U CN 202693276 U CN202693276 U CN 202693276U
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- clamp
- clamp system
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- upside
- backward
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Abstract
The utility model relates to a fatigue test table of an engine connecting rod. The fatigue test table of the engine connecting rod is not prone to produce vibration in a testing process and comprises an actuating cylinder, an actuating cylinder supporting frame, a force sensor, a clamping mechanism connecting block, a clamping mechanism, a clamping mechanism supporting frame and two square boxes. The actuating cylinder is installed on the actuating cylinder supporting frame, the actuating cylinder supporting frame is installed on the two square boxes, the force sensor is respectively connected with the actuating cylinder and the clamping mechanism connecting block, the clamping mechanism connecting block is connected with the clamping mechanism, the clamping mechanism is installed on the clamping mechanism supporting frame, and the clamping mechanism supporting frame is fixed on the square boxes. The fatigue test table of the engine connecting rod has the advantages of eliminating fit clearance, preventing vibration in tests, improving rigidity, being high in test parameter accuracy, and facilitating sample installation.
Description
Technical field
The utility model relates to a kind of automobile test device, especially relates to a kind of engine link fatigue test board.
Background technology
The engine link fatigue test board refers to a kind of engine link be carried out torture test, the pressure that is subject to during the work of simulated engine connecting rod, the device that draws load.At present, existing testing table adopts hole shaft clearance fit system to be connected with engine link, thereby in process of the test, there is tolerance clearance in test specimen in the junction, easily produces vibration problem, and then affects the accuracy of test parameters.
Chinese patent Granted publication number: CN 201897525U, Granted publication day is on July 13rd, 2011, a kind of vertical vibration testing table is disclosed, comprise worktable and portal frame, portal frame is fixed on the worktable, and the portal frame middle part is hung with the start cylinder, in the start cylinder action shaft is arranged, the action shaft bottom is provided with displacement transducer, and the displacement transducer bottom is provided with the power sensor.The weak point of this utility model is, this testing table still adopts hole shaft clearance fit system when being connected with engine link, and there is tolerance clearance in test specimen in the junction, easily produces vibration problem, and then affects the accuracy of test parameters.
The utility model content
The utility model is in order to overcome testing table easy vibrative problem in process of the test in the prior art, a kind of vibrative engine link fatigue test board that is not easy in process of the test to be provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of engine link fatigue test board of the present utility model, comprise the start cylinder, start cylinder bearing support, the power sensor, the clamp system contiguous block, clamp system, clamp system bracing frame and two square chests, described start cylinder is installed on the start cylinder bracing frame, described start cylinder bracing frame is installed on two square chests, described power sensor, the clamp system contiguous block, clamp system and clamp system bracing frame place between two square chests, described power sensor upper end is connected with the start cylinder, described power sensor lower end is connected with the clamp system contiguous block, described clamp system contiguous block is connected with clamp system, described clamp system is installed on the clamp system bracing frame, and described clamp system bracing frame two ends are separately fixed on two square chests.
Described start cylinder is installed on the start cylinder bracing frame, in the start cylinder action shaft is arranged, described start cylinder bracing frame is installed on two square chests, adopt square chest as basic framework, can improve the rigidity of testing table, described power sensor, the clamp system contiguous block, clamp system and clamp system bracing frame place between two square chests, action shaft one end places between two square chests by start cylinder bracing frame, described power sensor upper end is connected with the action shaft of start cylinder, described power sensor lower end is connected with the clamp system contiguous block, described clamp system contiguous block is connected with clamp system, clamp system can effectively solve the vibration problem that engine link easily produces in the test, described clamp system is installed on the clamp system bracing frame, described clamp system bracing frame two ends are separately fixed on two square chests, can effectively clamp system be fixed on the square chest by the clamp system bracing frame, be convenient to test.Design has reached and solved the easy vibrative purpose of engine link in process of the test like this.
As preferably, described clamp system comprises contiguous block, upper clamping block, upside is clamp forward, upside is clamp backward, the small end of connecting rod pin, downside is clamp forward, downside is clamp backward, big end pin and lower clamp, described upper contiguous block upper end is connected with the clamp system contiguous block, described upper contiguous block lower end is connected with upper clamping block, described upper clamping block and upside be clamp forward, upside backward clamp connects, described small end of connecting rod pin passes through upper clamping block, upside is clamp forward, upside backward clamp is fixed, pass through upper clamping block, upside forward clamp and upside backward clamp clamp the small end of connecting rod pin, design can effectively be eliminated tolerance clearance like this, prevents from occurring vibration problem herein.Described engine link one end is provided with the small end of connecting rod pin, the other end is provided with the big end pin, described lower clamp and downside forward clamp, downside backward clamp be connected, described big end pin is by lower clamp, downside forward clamp, downside backward between the clamp, described lower clamp is connected with the clamp system bracing frame, by lower clamp, downside forward clamp and downside backward clamp clamp the big end pin, design can effectively be eliminated tolerance clearance like this, prevents from occurring vibration problem herein.By eliminating small end of connecting rod pin, big end pin in the gap of cooperation place, and then solve the vibration problem that engine link produces at the trial.
As preferably, described upper clamping block, upside forward clamp, upside backward clamp, downside clamp and lower clamp shape take the shape of the letter U backward, design is convenient to engine link is placed the groove of each clamp like this, makes its cooperation tightr, further eliminates tolerance clearance.
As preferably, clamp, upside are provided with the small end of connecting rod cotter way corresponding with the small end of connecting rod pin between the clamp connection to described upper clamping block backward forward with upside, clamp, downside are provided with the big end cotter way corresponding with the big end pin between the clamp connection to described lower clamp backward forward with downside, design is tightr for small end of connecting rod pin, big end pin are cooperated with its clamp like this, further eliminates tolerance clearance.
As preferably, described upper clamping block is provided with the pin block, and described lower clamp is provided with the downside pin block, and described upper pin block can prevent that the small end of connecting rod pin from skidding off, described downside pin block can prevent that the big end pin from skidding off, the labile factor that exists to reduce testing table.
As preferably, on the described start cylinder hydraulic control device is installed, can automatically regulate piston in the start cylinder by hydraulic control device, it is moved back and forth.
As preferably, described hydraulic control device comprises hydraulic pump and servo-valve, described hydraulic pump is connected with servo-valve, described servo-valve is installed on the start cylinder, hydraulic pump provides power for the start cylinder, servo valve control hydraulic pressure makes the start cylinder working, and both are used in conjunction with the purpose that reaches auto-adjustment control start cylinder.
As preferably, described engine link fatigue test board also comprises auxiliary support frame, described auxiliary support frame two ends are separately fixed on two square chests, described auxiliary support frame and clamp system bracing frame are bolted, can further clamp system be fixed on the square chest by auxiliary support frame, prevent that clamp system from producing relative displacement, cause the accuracy of test figure to reduce.
As preferably, described square chest one side is provided with some T-slots, described clamp system bracing frame two ends place the T-slot of square chest, described auxiliary support frame two ends place the T-slot of square chest, design is guaranteed the accuracy of testing for further fixedly auxiliary support frame and clamp system bracing frame like this.
The beneficial effects of the utility model are: adopted clamp system, eliminated tolerance clearance, prevented from occurring in test the phenomenon of vibration; Adopt square chest as basic framework, improve the rigidity of testing table; The accuracy of test parameters is high, and sample is easy for installation.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structural representation of clamp system.
Among the figure: 1. square chest, 2. start cylinder, 3. hydraulic pump, 4. servo-valve, 5. start cylinder bracing frame, 6. power sensor, 7. clamp system contiguous block, 8. clamp system, 9. clamp system bracing frame, 10. bolt, 11. auxiliary support frame, contiguous block on 12., 13. upper clamping blocks, 14. upper pin block, 15. upside is clamp backward, 16. small end of connecting rod pins, and 17. upsides are clamp forward, 18. engine link, 19. downside is clamp backward, 20. downsides are clamp forward, 21. connecting link major part pins, 22. lower clamp, 23. downside pin blocks.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Among the embodiment as shown in Figure 1, a kind of engine link fatigue test board, comprise start cylinder 2, start cylinder bearing support 5, power sensor 6, clamp system contiguous block 7, clamp system 8, clamp system bracing frame 9 and two square chests 1, in the described start cylinder 2 action shaft is arranged, described start cylinder 2 is installed on the start cylinder bracing frame 5, described start cylinder bracing frame 5 is installed on two square chests 1, described power sensor 6, clamp system contiguous block 7, clamp system 8 and clamp system bracing frame 9 place between two square chests 1, described power sensor 6 upper ends are connected with start cylinder 2, described action shaft one end is connected with power sensor 6 upper ends by start cylinder bracing frame 5, described power sensor 6 lower ends are connected with clamp system contiguous block 7, described clamp system contiguous block 7 is connected with clamp system 8, described clamp system 8 is installed on the clamp system bracing frame 9, and described clamp system bracing frame 9 two ends are separately fixed on two square chests 1.Described clamp system 8 comprises contiguous block 12, upper clamping block 13, upside is clamp 17 forward, upside is clamp 15 backward, small end of connecting rod pin 16, downside is clamp 20 forward, downside is clamp 19 backward, big end pin 21 and lower clamp 22, described upper contiguous block 12 upper ends are connected with clamp system contiguous block 7, described upper contiguous block 12 lower ends are connected with upper clamping block 13, described upper clamping block 13 and upside be clamp 17 forward, upside backward clamp 15 connects, described small end of connecting rod pin 16 is by upper clamping block 13, upside is clamp 17 forward, upside backward clamp 15 is fixing, described engine link 18 1 ends are provided with small end of connecting rod pin 16, the other end is provided with big end pin 21, described lower clamp 22 and downside be clamp 20 forward, downside backward clamp 19 connects, described big end pin 21 is by lower clamp 22, downside is clamp 20 forward, downside backward clamp 19 is fixing, described lower clamp 22 is connected with clamp system bracing frame 9, as shown in Figure 2.Described upper clamping block 13, upside forward clamp 17, upside backward clamp 15, downside backward clamp 19 take the shape of the letter U with lower clamp 22 shapes, well width is forward groove depth and upside groove depth sum on the clamp 15 backward on the clamp 17 of upside on the described upper clamping block 13, on the described lower clamp 22 well width and downside backward on the clamp 19 groove depth identical.Described upper clamping block 13 and upside forward clamp 17, upside are provided with the small end of connecting rod cotter way corresponding with small end of connecting rod pin 16 between clamp 15 connects backward, and described lower clamp 22 and downside forward clamp 20, downside are provided with the big end cotter way corresponding with big end pin 21 backward between clamp 19 connections.Described upper clamping block 13 is provided with pin block 14, and described lower clamp 22 is provided with downside pin block 23.On the described start cylinder 2 hydraulic control device is installed, described hydraulic control device comprises hydraulic pump 3 and servo-valve 4, and described hydraulic pump 3 is connected with servo-valve 4, and described servo-valve 4 is installed on the start cylinder 2.Described engine link fatigue test board also comprises auxiliary support frame 11, and described auxiliary support frame 11 two ends are separately fixed on two square chests 1, and described auxiliary support frame 11 is connected by bolt 10 with clamp system bracing frame 9.Described square chest 2 one sides are provided with 12 T-slots, and wherein laterally T-slot has 7, and vertically T-slot has 5, and described clamp system bracing frame 9 two ends place the horizontal T-slot of square chest 2, and described auxiliary support frame 11 two ends place the horizontal T-slot of square chest 2.
At first, according to the structure of foregoing description the engine link fatigue test board is assembled.Then, move reciprocatingly by the piston in the servo-valve 4 control start cylinders 2 in the hydraulic control device, hydraulic pump 3 provides power for start cylinder 2.Action shaft drive sensor 6 in the start cylinder 2 drives clamp system 8 by clamp system contiguous block 7, and it is moved back and forth.Because start cylinder bracing frame 5, clamp system bracing frame 9 all are fixedly connected with two square chests 1 with auxiliary support frame 11, just can detect engine link 18 pressure, draw load.When action shaft moves upward, since big end pin 21 by lower clamp 22, downside forward clamp 20 and downside backward clamp 19 be fixed on the clamp system bracing frame 9, clamp system contiguous block 7 drives upper contiguous block 12, so that upper clamping block 13, upside forward clamp 17 and upside backward clamp 15 upwards draw engine link 18 by small end of connecting rod pin 16, thereby can detect the load of drawing of engine link 18.Otherwise, when action shaft moves downward, downward hydraulic motor connecting rod 18, thus can detect the compressive load of engine link 18.
Claims (9)
1. engine link fatigue test board, it is characterized in that, comprise start cylinder (2), start cylinder bearing support (5), power sensor (6), clamp system contiguous block (7), clamp system (8), clamp system bracing frame (9) and two square chests (1), described start cylinder (2) is installed on the start cylinder bracing frame (5), described start cylinder bracing frame (5) is installed on two square chests (1), described power sensor (6), clamp system contiguous block (7), clamp system (8) and clamp system bracing frame (9) place between two square chests (1), described power sensor (6) upper end is connected with start cylinder (2), described power sensor (6) lower end is connected with clamp system contiguous block (7), described clamp system contiguous block (7) is connected with clamp system (8), described clamp system (8) is installed on the clamp system bracing frame (9), and described clamp system bracing frame (9) two ends are separately fixed on two square chests (1).
2. engine link fatigue test board according to claim 1, it is characterized in that, described clamp system (8) comprises contiguous block (12), upper clamping block (13), upside is clamp (17) forward, upside is clamp (15) backward, small end of connecting rod pin (16), downside is clamp (20) forward, downside is clamp (19) backward, big end pin (21) and lower clamp (22), described upper contiguous block (12) upper end is connected with clamp system contiguous block (7), described upper contiguous block (12) lower end is connected with upper clamping block (13), described upper clamping block (13) and upside be clamp (17) forward, upside backward clamp (15) connects, described small end of connecting rod pin (16) is by upper clamping block (13), upside is clamp (17) forward, upside backward clamp (15) is fixing, described engine link (18) one ends are provided with small end of connecting rod pin (16), the other end is provided with big end pin (21), described lower clamp (22) and downside be clamp (20) forward, downside backward clamp (19) connects, described big end pin (21) is by lower clamp (22), downside is clamp (20) forward, downside backward clamp (19) is fixing, and described lower clamp (22) is connected with clamp system bracing frame (9).
3. engine link fatigue test board according to claim 2, it is characterized in that, described upper clamping block (13), upside forward clamp (17), upside backward clamp (15), downside clamp (19) and lower clamp (22) shape take the shape of the letter U backward.
4. according to claim 2 or 3 described engine link fatigue test boards, it is characterized in that, described upper clamping block (13) and upside forward clamp (17), upside backward clamp (15) be provided with the small end of connecting rod cotter way corresponding with small end of connecting rod pin (16) between connecting, clamp (20), downside are provided with the big end cotter way corresponding with big end pin (21) between clamp (19) connection to described lower clamp (22) backward forward with downside.
5. engine link fatigue test board according to claim 4 is characterized in that, described upper clamping block (13) is provided with pin block (14), and described lower clamp (22) is provided with downside pin block (23).
6. engine link fatigue test board according to claim 1 is characterized in that, on the described start cylinder (2) hydraulic control device is installed.
7. engine link fatigue test board according to claim 6, it is characterized in that, described hydraulic control device comprises hydraulic pump (3) and servo-valve (4), and described hydraulic pump (3) is connected with servo-valve (4), and described servo-valve (4) is installed on the start cylinder (2).
8. engine link fatigue test board according to claim 1, it is characterized in that, described engine link fatigue test board also comprises auxiliary support frame (11), described auxiliary support frame (11) two ends are separately fixed on two square chests (1), and described auxiliary support frame (11) is connected by bolt (10) with clamp system bracing frame (9).
9. engine link fatigue test board according to claim 8, it is characterized in that, described square chest (2) one sides are provided with some T-slots, described clamp system bracing frame (9) two ends place the T-slot of square chest (2), and described auxiliary support frame (11) two ends place the T-slot of square chest (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260384 CN202693276U (en) | 2012-05-31 | 2012-05-31 | Fatigue test table of engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260384 CN202693276U (en) | 2012-05-31 | 2012-05-31 | Fatigue test table of engine connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693276U true CN202693276U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220260384 Expired - Fee Related CN202693276U (en) | 2012-05-31 | 2012-05-31 | Fatigue test table of engine connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693276U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411772A (en) * | 2013-06-06 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Fatigue test device applied to starlike main connecting rod |
| CN104006967A (en) * | 2014-05-29 | 2014-08-27 | 潍柴动力股份有限公司 | Connecting rod fatigue testing device |
| CN104198165A (en) * | 2014-07-10 | 2014-12-10 | 浙江吉利控股集团有限公司 | Shock absorber durability testing device |
| CN104990693A (en) * | 2015-06-11 | 2015-10-21 | 奇瑞汽车股份有限公司 | Connecting rod buckling point test apparatus and method of testing the connecting rod buckling point by using the apparatus |
| CN107202694A (en) * | 2017-06-26 | 2017-09-26 | 常州机电职业技术学院 | Engine link fatigue durability testing device |
| CN108776016A (en) * | 2018-09-13 | 2018-11-09 | 河南柴油机重工有限责任公司 | A kind of connecting rod fatigue experimental device that reliability is high |
-
2012
- 2012-05-31 CN CN 201220260384 patent/CN202693276U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411772A (en) * | 2013-06-06 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Fatigue test device applied to starlike main connecting rod |
| CN104006967A (en) * | 2014-05-29 | 2014-08-27 | 潍柴动力股份有限公司 | Connecting rod fatigue testing device |
| CN104198165A (en) * | 2014-07-10 | 2014-12-10 | 浙江吉利控股集团有限公司 | Shock absorber durability testing device |
| CN104198165B (en) * | 2014-07-10 | 2018-01-19 | 浙江吉利汽车研究院有限公司 | Damper durability degree experimental rig |
| CN104990693A (en) * | 2015-06-11 | 2015-10-21 | 奇瑞汽车股份有限公司 | Connecting rod buckling point test apparatus and method of testing the connecting rod buckling point by using the apparatus |
| CN104990693B (en) * | 2015-06-11 | 2018-09-21 | 奇瑞汽车股份有限公司 | Connecting rod buckling experimental tests device and the method for testing connecting rod buckling point using it |
| CN107202694A (en) * | 2017-06-26 | 2017-09-26 | 常州机电职业技术学院 | Engine link fatigue durability testing device |
| CN108776016A (en) * | 2018-09-13 | 2018-11-09 | 河南柴油机重工有限责任公司 | A kind of connecting rod fatigue experimental device that reliability is high |
| CN108776016B (en) * | 2018-09-13 | 2023-12-19 | 河南柴油机重工有限责任公司 | Connecting rod fatigue test device with high reliability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140531 |