CN213041667U

CN213041667U - Shock pad fatigue test device

Info

Publication number: CN213041667U
Application number: CN202022102255.2U
Authority: CN
Inventors: 孙汉清; 李千
Original assignee: Dongtai Haixun Railway Accessories Co ltd
Current assignee: Dongtai Haixun Railway Accessories Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-23
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a shock pad fatigue test device, including base and workstation, be equipped with workstation, first stand and second stand on the base, be equipped with the crossbeam on first stand and the second stand, the box is installed to the crossbeam top, is equipped with the fixed block in the middle of the crossbeam, is equipped with the motor in the box, and the motor is connected with the reduction gear, install the third stand in the box before the reduction gear, be equipped with the axle on the third stand, epaxial cam that is equipped with runs through the third stand through the axle and links to each other with the speed reducer, and the cam below is equipped with the connecting rod, and the connecting rod runs through the fixed block and is connected with the pressurization piece, adds the briquetting directly over the workstation, is equipped with force transducer on. The damping pad is mostly made of rubber, the rubber has high elasticity and high viscosity, and the clamping head is arranged to fix the damping pad, so that the pressurizing block cannot be adhered to the surface when moving.

Description

Shock pad fatigue test device

Technical Field

The utility model belongs to the technical field of fatigue test, concretely relates to shock pad fatigue test device.

Background

With the development of industrial production and the increase of factories, mechanical equipment runs continuously, machines on the production lines play their own roles by running, vibration is easily caused in the process, and the vibration can cause a series of adverse effects, such as machine abrasion, noise reduction of productivity and increase of maintenance cost.

The shock pad is widely applied to electronic instruments, instruments and equipment cabinets, and can also be used for fans, water pumps, water chilling units and the like. It is especially suitable for electronic instrument. In the domestic market at present, the bumper shock absorber type is various, but the most widely used is the shock pad. About 80% or more of the mechanical part failures are fatigue failures, and no significant deformation occurs before the fatigue failures, so the fatigue failures often cause major accidents, and thus a fatigue test device is required to detect the fatigue loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock pad fatigue test device can carry out the centre gripping back to the shock pad, carries out perpendicular fatigue test again.

The utility model provides a following technical scheme:

the utility model provides a shock pad fatigue test device, includes base and workstation, is equipped with workstation, first stand and second stand on the base, be equipped with the crossbeam on first stand and the second stand, the box is installed to the crossbeam top, is equipped with the fixed block in the middle of the crossbeam, is equipped with the motor in the box, the motor is connected with the reduction gear, install the third stand in the box before the reduction gear, be equipped with the axle on the third stand, epaxial cam that is equipped with the cam runs through the third stand through the axle and links to each other with the reduction gear, the cam below is equipped with the connecting rod, and the cover has the spring on the connecting rod, and the spring bottom sprag is on the crossbeam, and the connecting rod runs through the fixed block and is connected with the pressurization piece, adds the briquetting.

Both sides are equipped with the cylinder in the workstation, cylinder piston rod is connected with the push rod, and the push rod is equipped with the pin rod, still articulated on the workstation have the chuck, are equipped with the channel in the chuck, and the pin rod is worn in the channel, the display screen is installed to box one side.

Preferably, the table is in the shape of a groove, and the width of the pressurizing block is smaller than the distance between the chucks.

Preferably, the motor, the cylinder, the counter and the force sensor are all electrically connected with the display screen.

The utility model has the advantages that: the damping pad is mostly made of rubber, the rubber has high elasticity and high viscosity, and the clamping head is arranged to fix the damping pad, so that the pressurizing block cannot be adhered to the surface when moving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the left side view structure inside the box body of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

Labeled as: the device comprises a base 1, a first upright post 2, a workbench 3, a cross beam 4, a connecting rod 5, a counter 6, a fixed block 7, a second upright post 8, a shaft 9, a cam 10, a third upright post 11, a box 12, a pressurizing block 13, a force sensor 14, a motor 15, a speed reducer 16, an air cylinder 17, a push rod 18, a pin rod 19, a channel 20, a chuck 21 and a display screen 22.

Detailed Description

As shown in fig. 1, 2 and 3, a shock pad fatigue test device comprises a base 1 and a workbench 3, the base 1 is provided with the workbench 3, a first upright column 2 and a second upright column 8, the first upright column 2 and the second upright column 8 are provided with a cross beam 4, a box body 12 is installed above the cross beam 4, the middle of the cross beam 4 is provided with a fixed block 7, the box body 12 is internally provided with a motor 15, the motor 15 is connected with a speed reducer 16, the speed reducer 16 can change the stress of a pressurizing block 13, a third upright column 11 is installed in front of the speed reducer 16 and is arranged in the box body 12, the third upright column 11 is provided with a shaft 9, the shaft 9 is provided with a cam 10, the cam 10 penetrates through the third upright column 11 through the shaft 9 and is connected with the speed reducer 16, the cam 10 is driven by the motor 15 to apply pressure to a connecting rod 5 to make the connecting rod move downwards, a, the connecting rod 5 is sleeved with a spring, the bottom of the spring is supported on the cross beam 4, the connecting rod 5 penetrates through the fixing block 6 and is connected with the pressurizing block 13, the pressurizing block 13 is arranged right above the workbench 3, the pressurizing block 13 is provided with a force sensor 14, the box body 12 is further internally provided with a counter 6, and the counter 6 records the stress cycle times.

The two sides of the workbench 3 are provided with air cylinders 17, piston rods of the air cylinders 17 are connected with push rods 18, pin rods 19 are arranged on the push rods 18, the workbench 3 is further hinged with clamping heads 21, the clamping heads 21 are provided with grooves 20, the pin rods 19 penetrate through the grooves 20, and one side of the box body 12 is provided with a display screen 22. The workbench 3 is in a groove shape, and the width of the pressurizing block 13 is smaller than the distance between the two chucks 21. The motor 15, the air cylinder 17, the counter 6 and the force sensor 14 are all electrically connected with the display screen 22.

The utility model discloses when using, open display screen 22, the shock pad that will await measuring is put in 2 recesses of workstation, operation display screen 22 makes cylinder 17 piston rod stretch out, 18 inside movements of push rod, pin 19 removes in chuck 21 channel 20 on the push rod 18, promote chuck 21 downwards, the fixed shock pad that waits to detect, operation display screen 22 makes motor 15 rotate, motor 15 drives reduction gear 16 and cam 10 rotates, cam 10 supports connecting rod 5 and moves down, add the pressure piece 13 and exert force for the shock pad that awaits measuring, display screen 22 passes through

force sensor

14 and 6 record stress of counter and stress circulation week, when cam 10 got back to initial condition, the spring makes connecting rod 5 get back to initial position by self elasticity.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shock pad fatigue test device, includes base (1) and workstation (3), its characterized in that is equipped with workstation (3), first stand (2) and second stand (8) on base (1), be equipped with crossbeam (4) on first stand (2) and second stand (8), box (12) are installed to crossbeam (4) top, are equipped with fixed block (7) in the middle of crossbeam (4), are equipped with motor (15) in box (12), motor (15) are connected with reduction gear (16), install third stand (11) in box (12) before reduction gear (16), be equipped with axle (9) on third stand (11), be equipped with cam (10) on axle (9), cam (10) drive through motor (15) and exert pressure to connecting rod (5), make its downstream, the cam (10) below is equipped with connecting rod (5), the cam (10) is in contact with and not connected with the connecting rod (5), the connecting rod (5) is sleeved with a spring, the bottom of the spring is supported on the cross beam (4), the connecting rod (5) penetrates through the fixing block (7) to be connected with the pressurizing block (13), the pressurizing block (13) is arranged right above the workbench (3), the pressurizing block (13) is provided with a force sensor (14), and the box body (12) is internally provided with a counter (6);

workstation (3) both sides are equipped with cylinder (17), cylinder (17) piston rod is connected with push rod (18), is equipped with pin rod (19) on push rod (18), still articulated on workstation (3) have chuck (21), and chuck (21) have channel (20), and pin rod (19) are worn in channel (20), display screen (22) are installed to box (12) one side.

2. The shock pad fatigue test device of claim 1, wherein the table (3) is groove-shaped, and the width of the pressurizing block (13) is smaller than the distance between the two chucks.

3. The shock pad fatigue test device of claim 1, wherein the motor (15), the cylinder (17), the counter (6) and the force sensor (14) are all electrically connected with a display screen (22).