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【Scope of Application】

It is used for the assembly tolerance and waterproof performance test in the field of bridge expansion devices. It has two functions of compression and drawing. It can push and pull the expansion device horizontally, and can simulate the actual stress state of the expansion device in the highway bridge. It can be used for single Testing of specimens such as slot modulus telescopic devices and multi-slit modulus telescopic devices.

【Standards compliant】

JT/T 327-2016 6.1.3.5.2 Assembly tolerance requirements-compression performance test

JT/T 327-2016 General Technical Requirements for Expansion Devices of Highway Bridges Appendix C Waterproof Performance Test Method

【technical parameter】

1. Display and control: microcomputer control 7.8-inch large color screen display, Chinese control menu

2. Clamping force unit: KN

3. Combined test bench: two sets of 1000mm*2000mm

4. Aluminum sliding rail: 10

5. I-beam auxiliary fixture: 4000mm

6. Blessing method: adjustable clamp positioning bolt

7. L120 type fixing clamp for expansion joint stretching device: 12 sets

8. Expansion joint compression device L80 type fixing fixture: 12 sets

9. The maximum telescopic space of the telescopic device: 1000mm

10. Adjustable stroke of specimen carrying device height difference: 0-20mm

11. Speed ??range: 0-200mm/min

12. Sensor: 50KN

13. Load measurement range: 2%--100%F.S

14. Load accuracy: ±0.02% F•S

16. Control method: Servo motor drive control

17. Displacement control: 0-1000mm, accuracy 0.1mm (inching + automatic)

18. Balance detection: JIGAOTEST v1.0 fixed load and positioning shift dual-function synchronous measurement and control system

19. Assembly tolerance test aids: 0-15mm digital display

20. Horizontal adjustment displacement of the test bench: 0-10mm

21. It has the function of displaying the value of the pushing and pulling force, and the clamping force is controllable

22. Specially made double-acting electric cylinder, with two-way force of horizontal pushing and horizontal pulling

23. Adopt aviation aluminum type high-strength precision slide rail to ensure that the sample is not restricted by the friction of the machine

24. Using split structure design, suitable for different sample testing

25. High load-bearing level working platform, the single platform can reach 50KN, suitable for all kinds of bridge expansion devices

26. Weight: 1500KG

27. Power supply: 220v

28. Appearance size: 200*150*95cm (length * width * height) test bench

600*700*165cm (length*width*height) Microcomputer control system

29. Operation area: 3.5*5 meters