CN209014367U - A kind of electro-hydraulic servo concrete structure fatigue tester - Google Patents
A kind of electro-hydraulic servo concrete structure fatigue tester Download PDFInfo
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- CN209014367U CN209014367U CN201821816010.2U CN201821816010U CN209014367U CN 209014367 U CN209014367 U CN 209014367U CN 201821816010 U CN201821816010 U CN 201821816010U CN 209014367 U CN209014367 U CN 209014367U
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Abstract
The utility model discloses a kind of electro-hydraulic servo concrete structure fatigue testers, including hydraulic elevator, linear servo makees movement machine, controller, there is guide rail among the moving beam lower part of the hydraulic elevator, the first idler wheel is equipped in guide rail, first idler wheel is rotatably connected one end of connecting rod, the other end of connecting rod is rotatably connected the second idler wheel, the connecting rod connects the linear servo and makees movement machine, the bottom plate of the hydraulic elevator is equipped with groove, hydraulic elevator, linear servo is made movement machine and is connect with controller, the controller is also connected with control panel.The utility model can carry out concrete structural slab test specimen rolling fatigue test, simulate the stress condition that rolls of true road vehicle road pavement, and then test its compression fatigue.
Description
Technical field
The utility model relates to concrete fatigue test technical field, in particular to a kind of electro-hydraulic servo concrete structure is tired
Labor testing machine.
Background technique
Concrete is widely used in the construction on the building such as road, bridge road surface, and concrete road surface will bear various garages
The pressure sailed, especially after the rolling of large-sized truck, will be occurred after a period of time check crack, deformation, loose, depression and
The damage such as pit slot, causes big inconvenience to the trip of people.So the quality of cement concrete pavement is largely determined
The quality of road is determined, in order to guarantee the quality of concrete structure products, has needed to carry out testing fatigue, mesh to it before the use
Preceding common compression fatigue detection device majority can only detect its ability for resisting pressure surge, and can not simulate normal road
The fatigue rupture that it is generated in upper vehicle to run roller compaction process.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of electro-hydraulic servo concrete structure fatigue tests
Machine can carry out concrete structural slab test specimen rolling fatigue test, and that simulates true road vehicle road pavement rolls stress
Situation, and then its compression fatigue is tested.
Using following technical scheme:
Make movement machine, controller including hydraulic elevator, linear servo, in the moving beam lower part of the hydraulic elevator
Between there is guide rail, be equipped with the first idler wheel in guide rail, first idler wheel is rotatably connected one end of connecting rod, connecting rod it is another
Second idler wheel that is rotatably connected is held, the connecting rod connects the linear servo and makees movement machine, the bottom plate of the hydraulic elevator
Equipped with groove, hydraulic elevator, linear servo are made movement machine and are connect with controller, and the controller is also connected with control panel.
The hydraulic elevator further includes the guide upright post for being vertically arranged in bottom plate quadrangle respectively, the guide upright post difference
Across the four corners of moving beam, the moving beam top is fixedly connected with two raise-lower hydraulic columns, two raise-lower hydraulics
Column is fixed on top plate, and the electrically-controlled valve of described two raise-lower hydraulic columns is connect with controller.
The linear servo is made movement machine and is watched by electrohydraulic servo valve and piping connection electro-hydraulic servo hydraulic station, the straight line
Actuator is taken to be mounted on fixed frame.
The connecting rod is gas spring connecting rod, and the pressure cylinder connection linear servo of the gas spring connecting rod makees motivation
Device.
The connecting rod is detachably connected with linear servo actuator.
Pressure sensor is equipped in the groove, the pressure sensor is connect with controller, and the controller connection is aobvious
Display screen.
The linear servo makees movement machine connection speed sensor, and the velocity sensor is connect with controller.
The control panel includes hydraulic elevator pressure adjustment button and linear servo actuation machine speed regulation button.
The utility model has the beneficial effects that
There is this electro-hydraulic servo concrete structure fatigue tester hydraulic elevator and linear servo to make movement machine, and in liquid
Elevator moving beam lower part setting guide rail, the first idler wheel, connecting rod and the second idler wheel sub-assembly are pressed, the second idler wheel is bearing liquid
Make movement machine drive by linear servo while pressure elevator pressure to roll back and forth on concrete structural slab test specimen, simulating vehicle
The case where wheel rolls ensure that the quality of product to complete fatigue test.
Detailed description of the invention
The structural schematic diagram of Fig. 1 the utility model
Wherein, 1- hydraulic elevator, 2- linear servo make movement machine, 3- guide rail, the first idler wheel of 4-, 5- connecting rod, 6-
Second wheel, 7- groove, 8- fixed frame, 9- pressure sensor, 10- top plate, 11- moving beam, 12- bottom plate, 13- guide upright post,
14- raise-lower hydraulic column.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
1, as shown in Figure 1, a kind of electro-hydraulic servo concrete structure fatigue tester, including hydraulic elevator 1, linear servo
Make movement machine 2, controller, guide rail 3 is equipped among 11 lower part of moving beam of hydraulic elevator 1, is equipped with the first idler wheel in guide rail 3
4, the first idler wheel 4 is rotatably connected one end of connecting rod 5, and the other end of connecting rod 5 is rotatably connected the second idler wheel 6, the second rolling
Wheel 6 is used for grinding concrete structure plate test specimen, and connecting rod 5 connects linear servo and makees movement machine 2, and linear servo is used as movement machine 2
In driving connecting rod 5 to move back and forth, the bottom plate 12 of hydraulic elevator 1 is equipped with groove 7, and pressure sensor 9 is equipped in groove 7, recessed
Slot 7 can place concrete structural slab test specimen, and pressure sensor 9 is used to detect mixed when the weight and test of concrete structural slab test specimen
The pressure that Xtah Crude Clay structure plate test specimen is born, linear servo makees 2 hydraulic loaded cylinder connection speed sensor of movement machine, for detecting
Linear servo makees the speed of the hydraulic loaded cylinder operation of movement machine 2.It is velocity sensor, pressure sensor 9, hydraulic elevator 1, straight
Line servo is made movement machine 2 and is connect with controller, and controller is also separately connected with display screen and control panel, and display screen is for showing
Show 9 real-time detection of pressure sensor to pressure value and the speed that arrives of velocity sensor real-time detection, control panel includes hydraulic
Elevator pressure adjustment button and linear servo actuation machine speed regulation button.
The hydraulic press of large-scale pressure adjustable can be used in hydraulic elevator 1, it may include is vertically arranged in bottom plate quadrangle respectively
Guide upright post 13, guide upright post 13 be each passed through the four corners of moving beam 11,11 top of moving beam is fixedly connected with two
Raise-lower hydraulic column 14, two raise-lower hydraulic columns 14 are fixed on top plate 10, the electrically-controlled valve of two raise-lower hydraulic columns 14 with control
Device connection, electrically-controlled valve are adjusted solenoid valve using aperture, can be used for applying different pressure into raise-lower hydraulic column.Linear servo
Make movement machine 2 to be mounted on actuator fixed frame 8, it is electro-hydraulic to watch by electrohydraulic servo valve and piping connection electro-hydraulic servo hydraulic station
It takes valve to connect with controller, control linear servo makees the movement of movement machine 2, and it is adjustable using the speed of service that linear servo makees movement machine 2
Linear servo make movement machine.
The course of work:
Concrete structural slab test specimen is stably placed in groove 7 by worker, and starting hydraulic elevator 1 selects pressure appropriate
Power supports moving beam 11 to decline it no longer by the sub-assembly of the first idler wheel 4, connecting rod 5 and the second idler wheel 6, but logical
Cross the sub-assembly of the first idler wheel 4, connecting rod 5 and the second idler wheel 6 pressure constant to application to concrete structural slab test specimen, pressure
Sensor 9 will test pressure value and feed back to controller, and show on a display screen, and starting linear servo, which makees movement machine 2, makes the
The sub-assembly of one idler wheel 4, connecting rod 5 and the second idler wheel 6 moves back and forth on guides 3, and velocity sensor will test velocity amplitude
Controller is fed back to, and is shown on a display screen, the second idler wheel 6 is while bearing 1 pressure of hydraulic elevator in concrete knot
The time of setting is rolled on structure plate test specimen, back and forth to complete fatigue test.
Connecting rod 5 can be gas spring connecting rod, and the pressure cylinder connection linear servo of gas spring connecting rod makees movement machine, gas bullet
Spring connecting rod can not only play a supporting role can also compensator or trimmer pressure appropriate, and gas spring have be pressurized when deformation quantity it is small
Advantage.Linear servo actuator can be detachably connected with connecting rod, replacement easy to repair.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of electro-hydraulic servo concrete structure fatigue tester, which is characterized in that including hydraulic elevator, linear servo actuation
Machine, controller, the moving beam lower part centre of the hydraulic elevator have guide rail, and the first idler wheel is equipped in guide rail, described
First idler wheel is rotatably connected one end of connecting rod, and the other end of connecting rod is rotatably connected the second idler wheel, and the connecting rod connects
It connects the linear servo and makees movement machine, the bottom plate of the hydraulic elevator is equipped with groove, and hydraulic elevator, linear servo make motivation
Device is connect with controller, and the controller is also connected with control panel.
2. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that the hydraulic elevator
It further include the guide upright post for being vertically arranged in bottom plate quadrangle respectively, the guide upright post is each passed through the four corners of moving beam,
The moving beam top is fixedly connected with two raise-lower hydraulic columns, and two raise-lower hydraulic columns are fixed on top plate, and described two
The electrically-controlled valve of a raise-lower hydraulic column is connect with controller.
3. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that the linear servo is made
Movement machine is mounted on fixed frame by electrohydraulic servo valve and piping connection electro-hydraulic servo hydraulic station, the linear servo actuator
On.
4. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that the connecting rod is gas
The pressure cylinder connection linear servo of spring connecting rod, the gas spring connecting rod makees movement machine.
5. electro-hydraulic servo concrete structure fatigue tester as described in claim 1 or 4, which is characterized in that the connecting rod
It is detachably connected with linear servo actuator.
6. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that be equipped in the groove
Pressure sensor, the pressure sensor are connect with controller, and the controller connects display screen.
7. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that the linear servo is made
Movement machine connection speed sensor, the velocity sensor are connect with controller.
8. electro-hydraulic servo concrete structure fatigue tester as described in claim 1, which is characterized in that the control panel packet
Include hydraulic elevator pressure adjustment button and linear servo actuation machine speed regulation button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816010.2U CN209014367U (en) | 2018-11-06 | 2018-11-06 | A kind of electro-hydraulic servo concrete structure fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816010.2U CN209014367U (en) | 2018-11-06 | 2018-11-06 | A kind of electro-hydraulic servo concrete structure fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014367U true CN209014367U (en) | 2019-06-21 |
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ID=66841435
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821816010.2U Active CN209014367U (en) | 2018-11-06 | 2018-11-06 | A kind of electro-hydraulic servo concrete structure fatigue tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188933A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system |
| CN113188932A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system host |
| CN114047054A (en) * | 2021-11-15 | 2022-02-15 | 中国第一汽车股份有限公司 | Rolling testing device and testing method thereof |
| CN115406784A (en) * | 2022-10-31 | 2022-11-29 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
-
2018
- 2018-11-06 CN CN201821816010.2U patent/CN209014367U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188933A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system |
| CN113188932A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system host |
| CN114047054A (en) * | 2021-11-15 | 2022-02-15 | 中国第一汽车股份有限公司 | Rolling testing device and testing method thereof |
| CN114047054B (en) * | 2021-11-15 | 2024-03-26 | 中国第一汽车股份有限公司 | Rolling test device and test method thereof |
| CN115406784A (en) * | 2022-10-31 | 2022-11-29 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
| CN115406784B (en) * | 2022-10-31 | 2023-01-10 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
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