CN203275225U - Swinging abrasion tester for connecting fitting - Google Patents

Abstract

The utility model relates to a swing wear tester for connecting hardware, which comprises a frame, and the frame is divided into a power cabin, a control cabin and a swing test cabin. A power transmission device is fixed in the power cabin, which includes a crank wheel seat, a geared motor, and the power output shaft of the geared motor is linked with the crank wheel. One end of the crank wheel is flexibly connected to a connecting rod. A swing device is installed at the bottom of the swing experiment cabin. It includes guide rail fixing plate, guide rail, and swing rod rolling sleeve that can roll along the guide rail. The upper part of the swing rod rolling sleeve is equipped with a lower suspension device, and the lower part is flexibly connected with the connecting rod. The rear part of the swing test cabin is equipped with a load-bearing device. The load-bearing device includes The weight group, the tray, and the lifting device for controlling the lifting of the tray. A suspension plate is installed on the upper part of the swing test chamber, and an upper suspension device is installed on the suspension plate. The utility model can effectively verify the wear resistance of the connecting hardware itself and the rationality of the combination type of the connecting hardware.

Description

Connecting hardware swing wear tester

technical field

The utility model relates to a swing wear tester for connecting hardware.

Background technique

Links, rings, hooks and other connecting fittings used in the industry need to bear large vertical loads during use, and at the same time bear large swings, so under the conditions of large loads and large swings, Many connecting fittings have been put into production for less than a year, and they are severely worn, which poses safety hazards and needs to be replaced regularly. If all worn fittings are replaced, a large amount of manpower, material and financial resources are required, and the replacement cycle is long, which will have a certain impact on normal production and life. This requires a clear grasp of the wear resistance of the connecting fittings before use, so as to select the appropriate connecting fittings for use. At present, there are no relevant technical requirements for the wear resistance of connecting fittings in strong wind areas in China, and there is no testing machine for testing the wear resistance of fittings before installation. The relevant technical content of the application has not been reported.

Contents of the invention

The purpose of the utility model is to provide a wear tester for connecting fittings that can effectively verify the wear resistance of the connecting fittings itself and the rationality of the combination type of the connecting fittings, thereby reducing early failure accidents of the connecting fittings caused by wear.

The purpose of this utility model is achieved in that the connecting hardware swing wear tester includes a frame, which is divided into a power cabin on one side of the bottom, a control cabin on the upper side of the power cabin, and a swing test cabin in the frame. A control circuit is installed in the control cabin. A power transmission device is fixed in the power cabin, and the power transmission device includes a crank wheel seat fixed at the bottom of the power cabin, a deceleration motor fixed on the crank wheel seat, and a power output shaft of the deceleration motor motor is linked with a crank wheel. One end is flexibly connected with a connecting rod, and a swing device is fixedly installed in the lower part of the swing test cabin. The swing device includes a guide rail fixing plate, an arc-shaped guide rail, and a swing rod rolling sleeve that can roll along the guide rail. The upper part of the swing rod rolling sleeve is equipped with a Suspension device, the lower part is flexibly connected with the connecting rod, and the load-bearing device is installed at the rear of the swing test cabin. The load-bearing device includes a weight group, a tray, and a lifting device for controlling the lifting of the tray. There is an upper suspension device, the upper part of the upper suspension device is connected with a steel wire rope, and the other end of the steel wire rope passes through the pulley hoisted on the top of the experimental cabin and is connected with the upper part of the weight group. the

Due to the implementation of the above technical scheme, the utility model has the advantages of simple structure, convenient maintenance, no vibration, low noise, and high reliability in long-term operation. The device can effectively verify the wear resistance of the connecting fitting itself and the rationality of the combination type of the connecting fitting . Thereby reducing accidents of premature failure of connecting fittings due to wear and tear. This application has wide applicability and can efficiently measure connecting fittings in various industries.

Description of drawings: the technical scheme of the utility model is provided by the following drawings and examples:

Fig. 1 is a schematic diagram of the structure of the connecting hardware swing wear tester;

Fig. 2 is a schematic structural diagram of the power transmission device and the swing device;

Fig. 3 is a structural schematic diagram of a load-bearing device;

Fig. 4 is a schematic diagram of weight connection structure;

Fig. 5 is a structural schematic diagram of the weight connecting rod.

Legend: 1. Control cabin, 2. Hanging plate, 3. Pulling bushing, 4. Fixing U-ring chuck, 5. Connecting fittings, 6. Swinging U-ring chuck, 7. Swing test cabin, 8. Swing Device, 9. load-bearing device, 10. power transmission device, 11. power cabin, 12. reduction motor, 13. crank wheel, 14. crank wheel seat, 15. connecting rod, 16. straight rod handle, 17. swing adjustment rod , 18. Swing adjustment sleeve, 19. Swing rod rolling sleeve, 20. Roller, 21. Guide rail, 22. Guide rail fixing plate, 23. Weight group, 24. Pulley, 25. Pull shaft, 26. AC motor, 27. Screw lifter, 28. lifting screw, 29. pallet, 30. weight connecting rod, 31. weight, 32. suspension ring, 33. suspension hole, 34. connecting screw, 35. connecting piece, 36. connecting sleeve.

Detailed ways:

The utility model is not limited by the following examples, and the specific implementation manner can be determined according to the technical scheme of the utility model and actual conditions.

Embodiment: As shown in FIG. 1 , the swing wear tester for connected fittings includes a frame, which is divided into a power cabin 11 on one side of the lower part, a control cabin 1 on the upper side of the power cabin 11 , and a swing test cabin 7 . A control circuit is installed in the control cabin 1, and the control circuit is not the invention point of the present application, so its circuit will not be introduced in detail here. In the power cabin 11, a power transmission device 10 is fixed, and the power transmission device 10 includes a crank wheel seat 14 fixed on the bottom of the power cabin 11, a reduction motor 12 fixed on the crank wheel seat 14, and a power output shaft of the reduction motor motor 12 and A crank wheel 13 is interlocked, and a connecting rod 15 is flexibly connected to one end of the crank wheel 13 . A swing device 8 is fixedly installed in the lower part of the swing test cabin 7. The swing device 8 includes a guide rail fixing plate 22, an arc guide rail 21, and a swing rod rolling sleeve 19 that can roll along the guide rail 21. The swing rod rolling sleeve 19 top is equipped with Lower suspension device, the bottom is flexibly connected with connecting rod 15. A load-bearing device 9 is installed at the rear of the swing test cabin 7, and the load-bearing device 9 includes a weight group 23, a pallet 29, and a lifting device for controlling the lifting of the pallet 29. The upper part of the swing test cabin 7 is equipped with a hanging plate 2, and the hanging plate 2 is equipped with an upper suspension device. The upper part of the upper suspension device is connected with a steel wire rope. . The connecting fittings to be tested are respectively connected with the upper and lower suspension devices.

As shown in FIG. 2 , the upper end of the guide rail fixing plate 22 is an arc-shaped opening, and guide rails 21 are fixed on both sides of the arc-shaped opening. The swing rod rolling sleeve 19 is a door-shaped structure with an open lower end, and rollers 20 arranged up and down are installed on both sides of its inner wall.

As shown in Figure 3, the upper suspension device includes a pull shaft sleeve 3 fixed on the suspension plate 2, a pull shaft 25 passing through the pull shaft sleeve 3, and both ends of the pull shaft 25 extend out of the pull shaft sleeve 3, and the pull shaft 25 The upper end is connected with the wire rope, and the lower end is equipped with a fixed U-shaped ring chuck 4 .

As shown in Figure 2, the lower suspension device includes a fixed rod connected to the upper end of the swing rolling sleeve 19, a swing adjustment sleeve 18 is screwed on the fixed rod, and a swing adjustment rod 17 is screwed in the top of the swing adjustment sleeve 18, and the swing adjustment rod 17 upper ends are equipped with a swinging U-shaped ring chuck 6. A straight rod handle 16 is installed outside the swing adjustment sleeve 18 .

As shown in Figures 3, 4, and 5, the weight group 23 is composed of no less than two weights 31 stacked through the weight connecting rod 30, and a lifting ring 32 is installed in the center of the weight 31 on the top layer. Connected with wire rope. The lowermost weight 31 is placed on a tray 29, the lower end of the tray 29 links to each other with the lifting screw 28 of the screw lifter 27, the screw lifter 27 is a prior art, its structure is not described in detail here, and it links to each other with the AC motor 26 Driven by the coupling. Each weight 31 is provided with a suspension hole 33 along its circular surface, and the weight connecting rod 30 is placed in the suspension hole 33 and is slidably connected with it to connect each weight 31 . Hanging hole 33 openings are provided with a circle of ribs, and weight connecting rod 30 is made up of connecting screw 34 and connecting sleeve 36, and connecting sleeve 36 is the screw rod shape of lower thick upper thin, offers screw hole in its thinner part, and its more The outer diameter of the thick part is slightly smaller than the inner diameter of the hanging hole 33 card edges. The lower part of the connecting sleeve 36 extends into the hanging hole 33 of a weight 31, and the upper part extends into the hanging hole 33 of another weight. The connecting screw 34 is located in the hanging hole 33 and is connected with the connecting sleeve 36. There is a connecting piece 35 between them, and the outer diameter of the connecting piece 35 is greater than the inner diameter of the hanging hole 33 card edges. The connecting screw 34 is a screw-like shape with a thick upper part and a thinner bottom, with an external thread on the thinner part, a hexagonal opening at the center of the upper end of the thicker part, the outer diameter of the thicker part is greater than the inner diameter of the central opening of the connecting piece 35, and the outer diameter of the thinner part is smaller than The inner diameter of the central opening of the connecting piece 35 .

The reduction motor 12 and the AC motor 26 are connected with the control circuit.

When in use, the two ends of the connecting fittings to be tested are connected to the fixed U-shaped ring chuck 4 and the swinging U-shaped ring chuck 6 respectively, and then the swing adjusting sleeve 18 is adjusted to adjust the expansion and contraction of the swinging adjusting rod 17, and the connecting fittings to be tested The tension strength should be fine-tuned so that the connection fittings to be tested are in a relatively small tension state. Then, by adjusting the lift of the tray 29, the number of the weights 31 in the weight group 23 in the suspended state is adjusted, thereby determining the magnitude of the tensile force on the connecting hardware. Start the reduction motor 12, control the speed reduction motor 12 through the control circuit, the reduction motor 12 drives the crank wheel 13, the connecting rod 15, the swing rod rolling sleeve 19, the lower suspension device in turn, and the swing rolling sleeve 19 reciprocates on the guide rail 21, thereby Make the connection fittings to be tested accept the reciprocating wear test. By measuring parameters such as incoming swing frequency, the magnitude of the tension when swinging, and the degree of wear of the connecting fittings, the wear resistance of the connecting fittings to be tested can be determined.

The above technical features constitute the best embodiment of the utility model, which has strong adaptability and best implementation effect, and non-essential technical features can be increased or decreased according to actual needs to meet the needs of different situations.

Claims (8)

1. one kind connects gold utensil swing abrasion tester, comprise frame, the piggyback pod that is divided into a side of bottom in frame, the control cabinet of piggyback pod upside, and swing test cabin, be equiped with control circuit in control cabinet, it is characterized in that: be fixed with power transmission in piggyback pod, power transmission comprises the bent wheel seat that is fixed on the piggyback pod bottom, be fixed on the reducing motor on bent wheel seat, the power output shaft of reducing motor motor and crankwheel interlock, at the active connecting rod that is connected with of crankwheel one end, the bottom is installed with pendulous device in swinging Laboratory Module, pendulous device comprises guide rail fixed plate, arc-shaped guide rail, and the cover that can roll along the fork that guide rail rolls, fork rolling cover top is equiped with lower suspender, the bottom is connected with connecting rod is active, rear portion, swing test cabin installing load-bearing device, load-bearing device comprises weight group, pallet, and the jacking gear of controlling the pallet lifting, top, swing test cabin is equiped with boatswain chair, be equiped with suspender on boatswain chair, upper suspender top connecting steel wire ropes, the wire rope another end is passed the pulley that is lifted on the Laboratory Module top and is connected with weight group top.

2. connection gold utensil as claimed in claim 1 swings abrasion tester, it is characterized in that: the guide rail fixed plate upper end is arc port, all is fixed with guide rail in arc port both sides.

3. connection gold utensil as claimed in claim 1 swings abrasion tester, it is characterized in that: the fork cover that rolls be the portal structures of lower ending opening, and the wall both sides all are equiped with the roller of arranging up and down within it, and two rollers are clamped in respectively guide rail up and down on curved end.

4. connection gold utensil as claimed in claim 1 swings abrasion tester, it is characterized in that: upper suspender comprises the pulling shaft cover that is fixed on boatswain chair, is through at the pulling shaft in the pulling shaft cover, and the pulling shaft cover is all stretched out at pulling shaft two ends, the pulling shaft upper end is connected with wire rope, and the lower end installing is the U-loop chuck fixedly.

5. connection gold utensil as claimed in claim 1 swings abrasion tester, it is characterized in that: lower suspender comprises and the fixed bar that swings the rolling set upper side and be connected, be connected with the oscillation adjustment cover on fixed bar, oscillation adjustment cover top inward turning is connected to the oscillation adjustment bar, and the upper end installing of oscillation adjustment bar swings the U-loop chuck.

6. connection gold utensil as claimed in claim 1 swings abrasion tester, it is characterized in that: weight group is comprised of by the counterweight connecting rod is stacked the counterweight that is no less than two, counterweight center in the superiors is equiped with suspension ring, suspension ring are connected with wire rope, the orlop counterweight is placed on a pallet, and the pallet lower end is connected with the lifting screw of screw elevator.

7. connection gold utensil as claimed in claim 6 swings abrasion tester, and it is characterized in that: offer suppending hole along its disc on each counterweight, the counterweight connecting rod is placed in suppending hole, is connected with its slip, and the suppending hole opening part is provided with a circle card rib.

8. connection gold utensil as described in claim 6 or 7 swings abrasion tester, it is characterized in that: the counterweight connecting rod is comprised of attachment screw and adapter sleeve, adapter sleeve is lower thick thin screw shaped, offer screw in its thinner section, its thicker part external diameter is slightly less than the internal diameter of suppending hole Ka Lengchu, the suppending hole of a counterweight is stretched in the adapter sleeve bottom, the suppending hole of another counterweight is stretched on top, attachment screw is positioned at this suppending hole and is connected with adapter sleeve, attachment screw and adapter sleeve are lined with brace between the two, the brace external diameter is greater than the internal diameter of suppending hole Ka Lengchu, attachment screw is upper coarse and lower fine screw shaped, offer external thread in its thinner section, six square openings are offered in center, thicker part upper end, the thicker part external diameter is greater than brace central opening internal diameter, thinner section external diameter is less than brace central opening internal diameter.

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