CN216116695U

CN216116695U - Spring fatigue testing machine

Info

Publication number: CN216116695U
Application number: CN202122339008.9U
Authority: CN
Inventors: 王冠炫
Original assignee: Shanghai Kaze Precision Spring Co ltd
Current assignee: Shanghai Kaze Precision Spring Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-22
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the technical field of springs and discloses a spring fatigue testing machine which comprises a base, wherein a vertical rod is fixedly connected to the top of the base, a top plate is fixedly connected to the top end of the vertical rod, a square block is arranged at the top of the top plate, a testing plate is arranged on one side of the vertical rod, a pressing rod is arranged at the top of the testing plate, a push rod is arranged at the top end of the pressing rod, and a quick-release mechanism is arranged inside the push rod. This spring fatigue testing machine, move to the right through promoting first transfer line, first transfer line drives first loose axle and second transfer line bottom to move to the right when moving to the right, make first loose axle extrude first spring, second transfer line bottom moves to the right and drives second transfer line top and third loose axle and move to the left, make the third loose axle extrude the second spring, third loose axle moves to the left and drives third transfer line and move to the left, make third transfer line and fixed slot separation, and then take out inserted bar and depression bar, make inserted bar and slot separation, reach the convenient effect of depression bar dismantlement.

Description

Spring fatigue testing machine

Technical Field

The utility model relates to the technical field of springs, in particular to a spring fatigue testing machine.

Background

The spring is a mechanical part which works by utilizing elasticity, the part made of elastic materials deforms under the action of external force and recovers to the original shape after the external force is removed, and a spring fatigue testing machine is mostly adopted to test the spring in order to test the elastic performance of the spring.

China's patent application number CN207675424U discloses a spring fatigue testing machine, the on-line screen storage device comprises a base, the other electric connection controller of base, pillar fixedly connected with roof is passed through at the top of base, be provided with the spring between roof and the base and survey the board, the top fixed mounting of roof has the cylinder, and the quantity of cylinder is no less than two, the top movable mounting of cylinder has the push rod, the depression bar is installed to the bottom of cylinder, the other end of depression bar runs through the roof and extends to the top that the spring surveyed the board, the spring survey the top of board and seted up with depression bar assorted spring card groove. The spring fatigue testing machine is simple in structure and convenient to use, can control the compression process of a spring in a fatigue test, and can stop at any time.

This solution has the following drawbacks:

the depression bar is under the condition that the spring was pressed for a long time, probably leads to the condition that the depression bar corner appears damaged, just needs to dismantle the change to the depression bar this moment, but current depression bar generally adopts welded mode to fix for the depression bar dismantlement process is loaded down with trivial details, wastes time and energy, consequently, needs a spring fatigue testing machine urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a spring fatigue testing machine which has the advantage of convenience in dismounting a compression bar and solves the problem of complicated dismounting of the compression bar in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a spring fatigue testing machine, includes the base, base top fixedly connected with montant, montant top fixedly connected with roof, the roof top is provided with square piece, montant one side is provided with surveys test panel, it is provided with the depression bar to survey the test panel top, the depression bar top is provided with the push rod, the inside quick detach mechanism that is provided with of push rod.

Quick detach mechanism includes first transfer line, first loose axle, second transfer line, second loose axle, third transfer line, first transfer line one side and first loose axle surface swing joint, first loose axle surface and second transfer line bottom swing joint, inside and the second loose axle surface swing joint of second transfer line, second transfer line top and third loose axle surface swing joint, third loose axle surface and third transfer line one side swing joint.

Preferably, a first limiting groove is formed in the push rod, a first spring is fixedly connected to the inner wall of one side of the first limiting groove, a second limiting groove is formed in the push rod, and a second spring is fixedly connected to the inner wall of one side of the second limiting groove.

The first transmission rod moves along a straight line, the second spring is extruded when the third movable shaft moves leftwards, and the second limiting groove limits the third transmission rod so that the third transmission rod moves along the straight line.

Preferably, the outer fixed surface of one side of the push rod is connected with a fixed block, the inner top wall of the fixed block is fixedly connected with a third spring, the bottom end of the third spring is fixedly connected with a limiting block, a limiting hole is formed in the first transmission rod, the diameter of the limiting block is matched with the limiting hole, and the bottom end of the limiting block is in lap joint with the inner wall of the limiting hole.

The second transmission rod is always in a linear state, so that the second transmission rod is prevented from deviating, and the third spring can improve the stability of the limiting block.

Preferably, the top of the pressing rod is fixedly connected with an inserting rod, a fixing groove is formed in the inserting rod, a slot is formed in the push rod, the diameter of the inserting rod is matched with the slot, and the outer surface of the inserting rod is connected with the slot in an inserting mode.

The fixed slot is mainly fixedly mounted on the inserted bar, and the inserted bar is prevented from falling off.

Preferably, the square block is internally provided with a cavity, the cavity is internally provided with an air cylinder, the output end of the air cylinder is fixedly connected with a piston rod, the bottom end of the piston rod penetrates through the inside of the top plate and extends to the bottom of the top plate, and the bottom end of the piston rod is fixedly connected with the top of the push rod.

Preferably, survey the inside spring clamping groove that has seted up of test panel, the first grip block of spring clamping groove one side inner wall fixedly connected with, survey the inside screw hole that has seted up of test panel, the inside threaded rod that is provided with of threaded hole, threaded rod one end fixedly connected with turning block, spring clamping groove opposite side inner wall is provided with the second grip block.

Preferably, a rotating groove is formed in the second clamping plate, a rotating disc is arranged in the rotating groove, and the outer surface of one side of the rotating disc is fixedly connected with one end of the threaded rod.

Compared with the prior art, the utility model provides a spring fatigue testing machine, which has the following beneficial effects:

1. the spring fatigue testing machine is provided with a quick-release mechanism, and particularly, when a pressure rod needs to be disassembled and replaced, a worker pushes a first transmission rod to move rightwards, the first transmission rod moves rightwards and drives a first movable shaft and the bottom end of a second transmission rod to move rightwards, so that the first movable shaft extrudes a first spring, the bottom end of the second transmission rod moves rightwards and drives the top end of the second transmission rod and a third movable shaft to move leftwards, so that the third movable shaft extrudes a second spring, the third movable shaft moves leftwards and drives a third transmission rod to move leftwards, so that the third transmission rod is separated from a fixed groove, further the inserted rod and the pressure rod are taken out, the inserted rod is separated from a slot, when the pressure rod needs to be installed, the steps are repeated, the worker loosens the force on the first transmission rod, the extrusion force on the first spring disappears, so that the first spring drives the first movable shaft and the first transmission rod to move leftwards, simultaneously, the force received by the second spring also disappears, so that the second spring drives the third movable shaft and the third transmission rod to move rightwards, one end of the third transmission rod is connected with the inner wall of the fixed groove in an inserting mode, the inserting rod is fixedly installed, the pressing rod is fixedly installed, and the effect that the pressing rod is convenient to install and disassemble is achieved.

2. This spring fatigue testing machine, survey the board through being provided with, specifically be when needs are tested not unidimensional spring, the staff is through handheld turning block, it rotates turning block and threaded rod, make the threaded rod carry out threaded connection with the screw hole, and carry out the back and forth movement, the threaded rod drives the second grip block and carries out the back and forth movement, cooperation through first grip block and second grip block, it is fixed to carry out the centre gripping to unidimensional spring, make the inside not unidimensional spring that can place of spring clamping groove, improve the efficiency of software testing, reach the effect of surveying unidimensional spring of survey the board.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the utility model at B of FIG. 2;

FIG. 5 is a schematic view of a test board according to the present invention;

FIG. 6 is an enlarged view of the utility model at C of FIG. 5;

FIG. 7 is a perspective view of the testing board structure of the present invention.

Wherein: 1. a base; 2. a vertical rod; 3. a top plate; 4. a square block; 401. a chamber; 402. a cylinder; 403. a piston rod; 5. a test board; 501. a spring clamp groove; 502. a first clamping plate; 503. a threaded hole; 504. a threaded rod; 505. rotating the block; 506. a second clamping plate; 507. a rotating groove; 508. a turntable; 6. a pressure lever; 601. inserting a rod; 602. fixing grooves; 7. a push rod; 701. a first drive lever; 702. a first movable shaft; 703. a second transmission rod; 704. a second movable shaft; 705. a third movable shaft; 706. a third transmission rod; 707. a first limit groove; 708. a first spring; 709. a second limit groove; 710. a second spring; 711. a fixed block; 712. a third spring; 713. a limiting block; 714. a limiting hole; 715. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a spring fatigue testing machine comprises a base 1, a vertical rod 2 is fixedly connected to the top of the base 1, a top plate 3 is fixedly connected to the top end of the vertical rod 2, a square block 4 is arranged on the top of the top plate 3, a testing plate 5 is arranged on one side of the vertical rod 2, a pressure rod 6 is arranged on the top of the testing plate 5, a push rod 7 is arranged on the top end of the pressure rod 6, and a quick-release mechanism is arranged inside the push rod 7.

Specifically, the quick release mechanism comprises a first transmission rod 701, a first movable shaft 702, a second transmission rod 703, a second movable shaft 704, a third movable shaft 705 and a third transmission rod 706, one side of the first transmission rod 701 is movably connected with the outer surface of the first movable shaft 702, the outer surface of the first movable shaft 702 is movably connected with the bottom end of the second transmission rod 703, the inside of the second transmission rod 703 is movably connected with the outer surface of the second movable shaft 704, the top end of the second transmission rod 703 is movably connected with the outer surface of the third movable shaft 705, and the outer surface of the third movable shaft 705 is movably connected with one side of the third transmission rod 706.

Through the technical scheme, a worker pushes the first transmission rod 701 to move rightwards, the first transmission rod 701 moves rightwards and simultaneously drives the first movable shaft 702 and the bottom end of the second transmission rod 703 to move rightwards, the bottom end of the second transmission rod 703 moves rightwards and drives the top end of the second transmission rod 703 and the third movable shaft 705 to move leftwards, the third movable shaft 705 moves leftwards and drives the third transmission rod 706 to move leftwards, and the second movable shaft 704 plays an auxiliary role and fixes the second transmission rod 703.

Specifically, a first limiting groove 707 is formed inside the push rod 7, a first spring 708 is fixedly connected to the inner wall of one side of the first limiting groove 707, a second limiting groove 709 is formed inside the push rod 7, and a second spring 710 is fixedly connected to the inner wall of one side of the second limiting groove 709.

Through the technical scheme, the first spring 708 is extruded when the first movable shaft 702 moves rightwards, the first limiting groove 707 limits the first transmission rod 701, the first transmission rod 701 moves linearly, the second spring 710 is extruded when the third movable shaft 705 moves leftwards, and the second limiting groove 709 limits the third transmission rod 706 so that the third transmission rod 706 moves linearly.

Specifically, the outer surface of one side of the push rod 7 is fixedly connected with a fixing block 711, the inner top wall of the fixing block 711 is fixedly connected with a third spring 712, the bottom end of the third spring 712 is fixedly connected with a limiting block 713, a limiting hole 714 is formed in the first transmission rod 701, the diameter of the limiting block 713 is matched with the limiting hole 714, and the bottom end of the limiting block 713 is in lap joint with the inner wall of the limiting hole 714.

Through the technical scheme, when the first transmission rod 701 moves leftwards, the first transmission rod 701 is provided with the limiting hole 714 in the inner portion to be in lap joint with the limiting block 713, the first transmission rod 701 is limited, the second transmission rod 703 is always in a linear state, the second transmission rod 703 is prevented from being deviated, and the third spring 712 can improve the stability of the limiting block 713.

Specifically, the top of the compression bar 6 is fixedly connected with an inserted bar 601, a fixing groove 602 is formed in the inserted bar 601, a slot 715 is formed in the push rod 7, the diameter of the inserted bar 601 is matched with the slot 715, and the outer surface of the inserted bar 601 is inserted into the slot 715.

Through above-mentioned technical scheme, inserted bar 601 surface is pegged graft with slot 715, sets up like this and to make through the cooperation of inserted bar 601 with slot 715, carries out fixed mounting to depression bar 6, and fixed slot 602 mainly carries out fixed mounting to inserted bar 601, prevents that inserted bar 601 from droing.

Specifically, square 4 is inside to be seted up cavity 401, and cavity 401 is inside to be provided with cylinder 402, and cylinder 402 output fixedly connected with piston rod 403, piston rod 403 bottom run through roof 3 inside and extend to roof 3 bottom, piston rod 403 bottom and push rod 7 top fixed connection.

Through the technical scheme, the air cylinder 402 drives the piston rod 403 to move downwards, the piston rod drives the push rod 7 to move downwards, and the push rod 7 drives the press rod 6 to move downwards, so that the press rod 6 tests the spring, and the spring is normally subjected to fatigue test.

Specifically, survey test panel 5 inside and seted up spring card groove 501, the first grip block 502 of spring card groove 501 one side inner wall fixedly connected with surveys test panel 5 inside and seted up screw hole 503, the inside threaded rod 504 that is provided with of screw hole 503, threaded rod 504 one end fixedly connected with turning block 505, spring card groove 501 opposite side inner wall is provided with second grip block 506.

Through above-mentioned technical scheme, make the staff through put into spring card slot 501 inside with the spring, through handheld turning block 505, rotation turning block 505 rotates with threaded rod 504, make threaded rod 504 and screw hole 503 carry out threaded connection, and to the back and forth movement, threaded rod 504 drives second grip block 506 and carries out the back and forth movement, cooperation through first grip block 502 and second grip block 506, it is fixed to carry out the centre gripping to the spring of equidimension not, make the spring of equidimension not can be placed to spring card slot 501 inside, improve the efficiency of software testing of surveying board 5.

Specifically, a rotating groove 507 is formed in the second clamping plate 506, a rotating disc 508 is arranged in the rotating groove 507, and the outer surface of one side of the rotating disc 508 is fixedly connected with one end of the threaded rod 504.

Through the technical scheme, when the threaded rod 504 rotates, the rotary disc 508 is driven to be rotatably connected with the rotary groove 507, so that the rotation of the threaded rod 504 can only drive the second clamping plate 506 to move back and forth, and the second clamping plate 506 clamps and fixes the spring.

When the quick release mechanism is used, a worker pushes the first transmission rod 701 to move rightwards through the quick release mechanism, the first transmission rod 701 moves rightwards and drives the first movable shaft 702 and the bottom end of the second transmission rod 703 to move rightwards, so that the first movable shaft 702 extrudes the first spring 708, the bottom end of the second transmission rod 703 moves rightwards and drives the top end of the second transmission rod 703 and the third movable shaft 705 to move leftwards, so that the third movable shaft 705 extrudes the second spring 710, the third movable shaft 705 moves leftwards and drives the third transmission rod 706 to move leftwards, so that the third transmission rod 706 is separated from the fixed groove 602, the inserted rod 601 is taken out and the pressure lever 6 is separated from the slot 715, when the pressure lever 6 needs to be installed, the above steps are repeated, the worker loosens the force on the first transmission rod 701, the extrusion force on the first spring 708 disappears, so that the first spring 708 drives the first movable shaft 702 and the first transmission rod 701 to move leftwards, meanwhile, the force applied to the second spring 710 disappears, so that the second spring 710 drives the third movable shaft 705 and the third transmission rod 706 to move rightward, one end of the third transmission rod 706 is inserted into the inner wall of the fixed groove 602, the inserted link 601 is installed and fixed, the compression bar 6 is further installed and fixed, and the compression bar 6 is convenient to install and disassemble.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spring fatigue testing machine, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a vertical rod (2), the top end of the vertical rod (2) is fixedly connected with a top plate (3), a square block (4) is arranged at the top of the top plate (3), a test plate (5) is arranged on one side of the vertical rod (2), a pressure rod (6) is arranged at the top of the test plate (5), a push rod (7) is arranged at the top end of the pressure rod (6), and a quick-release mechanism is arranged inside the push rod (7);

the quick detach mechanism includes first transfer line (701), first loose axle (702), second transfer line (703), second loose axle (704), third loose axle (705), third transfer line (706), first transfer line (701) one side and first loose axle (702) surface swing joint, first loose axle (702) surface and second transfer line (703) bottom swing joint, inside and second loose axle (704) surface swing joint of second transfer line (703), second transfer line (703) top and third loose axle (705) surface swing joint, third loose axle (705) surface and third transfer line (706) one side swing joint.

2. The spring fatigue testing machine according to claim 1, wherein: a first limiting groove (707) is formed in the push rod (7), a first spring (708) is fixedly connected to the inner wall of one side of the first limiting groove (707), a second limiting groove (709) is formed in the push rod (7), and a second spring (710) is fixedly connected to the inner wall of one side of the second limiting groove (709).

3. The spring fatigue testing machine according to claim 1, wherein: the outer fixed surface of one side of push rod (7) is connected with fixed block (711), roof fixedly connected with third spring (712) in fixed block (711), third spring (712) bottom fixedly connected with stopper (713), spacing hole (714) have been seted up to first transfer line (701) inside, stopper (713) diameter and spacing hole (714) looks adaptation, stopper (713) bottom and spacing hole (714) inner wall overlap joint.

4. The spring fatigue testing machine according to claim 1, wherein: the top of the pressing rod (6) is fixedly connected with an inserting rod (601), a fixing groove (602) is formed in the inserting rod (601), a slot (715) is formed in the push rod (7), the diameter of the inserting rod (601) is matched with the slot (715), and the outer surface of the inserting rod (601) is connected with the slot (715) in an inserting mode.

5. The spring fatigue testing machine according to claim 1, wherein: square piece (4) inside cavity (401) of having seted up, cavity (401) inside is provided with cylinder (402), cylinder (402) output end fixedly connected with piston rod (403), inside and the extension to roof (3) bottom of roof (3) are run through to piston rod (403) bottom, piston rod (403) bottom and push rod (7) top fixed connection.

6. The spring fatigue testing machine according to claim 1, wherein: survey test panel (5) inside spring card groove (501) of having seted up, the first grip block of spring card groove (501) one side inner wall fixedly connected with (502), survey test panel (5) inside threaded hole (503) of having seted up, threaded hole (503) inside is provided with threaded rod (504), threaded rod (504) one end fixedly connected with turning block (505), spring card groove (501) opposite side inner wall is provided with second grip block (506).

7. The spring fatigue testing machine according to claim 6, wherein: a rotating groove (507) is formed in the second clamping plate (506), a rotating disc (508) is arranged in the rotating groove (507), and the outer surface of one side of the rotating disc (508) is fixedly connected with one end of the threaded rod (504).