CN214702709U - Spring fatigue life test bed - Google Patents
Spring fatigue life test bed Download PDFInfo
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- CN214702709U CN214702709U CN202120747560.9U CN202120747560U CN214702709U CN 214702709 U CN214702709 U CN 214702709U CN 202120747560 U CN202120747560 U CN 202120747560U CN 214702709 U CN214702709 U CN 214702709U
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Abstract
The utility model discloses a spring fatigue life test bench relates to spring life test field. Spring fatigue life test bench includes the base, the last fixed surface of base is connected with L type support frame, the lower fixed surface of L type support frame horizontal part is connected with telescopic cylinder, telescopic cylinder's bottom fixedly connected with presses the clamp plate, the bottom of pressing the clamp plate is provided with pressing mechanism, pressing mechanism is used for pressing the spring, the backup pad of two symmetric distributions of the last fixed surface of base is connected with, the common fixedly connected with test bench in top of two backup pads, the top of test bench is provided with three regulating plate, the bottom of test bench is provided with the adjustment mechanism corresponding with the regulating plate, adjustment mechanism is arranged in adjusting the distance between the stripper plate in regulating plate and the pressing mechanism, thereby change the node of spring test. The utility model discloses a change and test the fatigue life of the different nodes of spring, can effectual improvement spring fatigue life test result's accuracy.
Description
Technical Field
The utility model relates to a spring life test technical field, concretely relates to spring fatigue life test bench.
Background
The spring can not replace the function of the whole manufacturing industry, the spring basically exists in any mechanical equipment, and the spring often plays a crucial role, so that the spring needs to be tested after being produced, the failure mode of the spring comprises various modes such as elastic failure and fatigue fracture, the fatigue fracture is the most important failure mode, serious equipment accidents or personal accidents can be caused by sudden occurrence of the fatigue fracture, and the fatigue resistance of the spring is one of important indexes for ensuring the high strength and the service life of the spring.
When the fatigue life of spring is experimental in needs, place the spring mostly and press the operation to it repeatedly on the test bench, learn the fatigue fracture life-span of spring according to the number of times of pressing, and have a plurality of different nodes on the spring, life diverse between a plurality of nodes can't be effectual tests a plurality of nodes of spring as required to lead to the test result not accurate enough.
Therefore, it is necessary to provide a spring fatigue life test stand to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a spring fatigue life test bench to have a plurality of different nodes on solving the spring that proposes in the above-mentioned background art, life diverse between a plurality of nodes can't effectually test a plurality of nodes of spring as required, thereby leads to the not accurate problem of test result inadequately.
In order to achieve the above object, the present invention provides the following technical solutions:
according to the utility model discloses, a spring fatigue life test bench is provided, the on-line screen storage device comprises a base, the last fixed surface of base is connected with L type support frame, the lower fixed surface of L type support frame horizontal part is connected with telescopic cylinder, telescopic cylinder's bottom fixedly connected with press plate, press plate's bottom is provided with pressing mechanism, pressing mechanism is used for pressing the spring, the backup pad of two symmetric distributions of the last fixed surface of base is connected with, two the common fixedly connected with test bench in top of backup pad, the top of test bench is provided with three regulating plate, the bottom of test bench is provided with the adjustment mechanism corresponding with the regulating plate, adjustment mechanism is arranged in adjusting the distance between the stripper plate in regulating plate and the pressing mechanism to change the node of spring test.
Preferably, the pressing mechanism comprises a telescopic rod, a connecting plate, three U-shaped frames and three extrusion plates, the bottom of the telescopic rod is fixedly connected with the top of the connecting plate, the bottom of the connecting plate is fixedly connected with the tops of the three U-shaped frames, and the bottoms of the three U-shaped frames are respectively fixedly connected with the tops of the three extrusion plates.
Preferably, it is three the equal fixedly connected with pointer in right side of regulating plate, one side that the regulating plate was kept away from to the pointer is provided with the scale plate, the bottom of scale plate and the top fixed connection of test bench.
Preferably, adjustment mechanism includes fixed plate, three spiral shell section of thick bamboo and three screw rod, the left and right sides of fixed plate respectively with two one side fixed connection that the backup pad is relative, three notch corresponding with three spiral shell section of thick bamboo is seted up on the surface of fixed plate, and fixedly connected with bearing in the notch, the inner wall of bearing and the outer wall fixed connection of spiral shell section of thick bamboo, screw thread setting between spiral shell section of thick bamboo and the screw rod, the second through-hole corresponding with the screw rod is seted up to the bottom of test bench, and is three the third through-hole has all been seted up to the center department of regulating plate, the outer wall and the third through-hole fixed connection of screw rod, the center department of stripper plate sets up the first through-hole corresponding with the screw rod.
Preferably, the outer wall fixedly connected with limiting plate of screw rod, the left and right sides of limiting plate all is provided with the deflector, the top of deflector and the bottom fixed connection of test bench, the equal fixedly connected with guide block in the left and right sides of limiting plate, two the guide way corresponding with the guide block is all seted up to the relative one side of deflector.
The utility model has the advantages of as follows:
through being provided with three regulating plate on the test bench, and be provided with the screw rod at the center of three regulating plate, with the spring housing on the screw rod, and carry on spacingly to the top of spring through using the stripper plate, through rotating the barrel, make the barrel rotate inside the bearing on the fixed plate, screw thread in the barrel and the screw rod outer screw thread interact, promote the screw rod through the principle that uses the screw thread to remove, the screw rod stimulates the regulating plate, regulating plate extrusion spring, make the spring take place certain deformation volume, thereby change the atress node of spring, and because of being provided with three regulating plate, consequently, can test three group springs simultaneously, make the atress node diverse of three group springs, thereby obtain different results, the average calculation, can the accuracy of effectual improvement spring fatigue life test result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention.
In the figure: 1. a base; 2. an L-shaped support frame; 3. a telescopic cylinder; 4. a pressing plate; 5. a pressing mechanism; 51. a telescopic rod; 52. a connecting plate; 53. a U-shaped frame; 54. a pressing plate; 6. a support plate; 7. a test bed; 8. an adjusting plate; 9. an adjustment mechanism; 91. a fixing plate; 92. a screw cylinder; 93. a screw; 10. a pointer; 11. a scale plate; 12. a limiting plate; 13. a guide plate.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
According to the embodiment of the utility model, a spring fatigue life test bench as shown in fig. 1-2 is provided, including base 1, base 1's last fixed surface is connected with L type support frame 2, the lower fixed surface of 2 horizontal parts of L type support frame is connected with telescopic cylinder 3, telescopic cylinder 3's bottom fixedly connected with presses down clamp plate 4, press down clamp plate 4's bottom is provided with pressing means 5, pressing means 5 is used for pressing down the spring, base 1's last fixed surface is connected with two symmetric distribution's backup pad 6, the common fixedly connected with test bench 7 in top of two backup pad 6, the top of test bench 7 is provided with three regulating plate 8, the bottom of test bench 7 is provided with the adjustment mechanism 9 corresponding with regulating plate 8, adjustment mechanism 9 is arranged in adjusting plate 8 and pressing means 5 the distance between the stripper plate 54, thereby change the node of spring test.
Meanwhile, the pressing mechanism 5 comprises an expansion link 51, a connecting plate 52, three U-shaped frames 53 and three extrusion plates 54, the expansion link 51 comprises an outer barrel and an inner rod, threaded holes are formed in the outer barrel, bolts are arranged in the threaded holes, the inner rod is limited through the supporting force of the bolts, the bottom of the expansion link 51 is fixedly connected with the top of the connecting plate 52, the bottom of the connecting plate 52 is fixedly connected with the tops of the three U-shaped frames 53, the bottoms of the three U-shaped frames 53 are respectively fixedly connected with the tops of the three extrusion plates 54, and the springs can be conveniently limited and extruded.
In addition, the equal fixedly connected with pointer 10 in right side of three regulating plate 8, one side that pointer 10 kept away from regulating plate 8 is provided with scale plate 11, the bottom of scale plate 11 and the top fixed connection of test bench 7, regulating plate 8 can drive pointer 10 and move on scale plate 11 when removing, according to the position that pointer 10 indicates, can take notes the node data of spring.
More specifically, the adjusting mechanism 9 includes a fixing plate 91, three screw barrels 92 and three screw rods 93, a spring is sleeved on the screw rods 93, the spring is broken in the spring testing process, and the spring is located on the outer side of the screw rods 93, so the spring cannot bounce off after being broken, the left side and the right side of the fixing plate 91 are respectively fixedly connected with one side opposite to the two support plates 6, three notches corresponding to the three screw barrels 92 are formed in the surface of the fixing plate 91, bearings are fixedly connected in the notches, the inner walls of the bearings are fixedly connected with the outer walls of the screw barrels 92, the screw barrels 92 and the screw rods 93 are in threaded arrangement, second through holes corresponding to the screw rods 93 are formed in the bottom of the test bed 7, third through holes are formed in the centers of the three adjusting plates 8, the outer walls of the screw rods 93 are fixedly connected with the third through holes, first through holes corresponding to the screw rods 93 are formed in the centers of the extrusion plates 54, the distance between the adjusting plates 8 and the extrusion plates 54 can be effectively adjusted, thereby testing the fatigue life of different nodes of the spring.
It should be further noted that the outer wall of the screw 93 is fixedly connected with the limiting plate 12, the left side and the right side of the limiting plate 12 are both provided with the guide plates 13, the top of each guide plate 13 is fixedly connected with the bottom of the test bed 7, the left side and the right side of the limiting plate 12 are both fixedly connected with the guide blocks, guide grooves corresponding to the guide blocks are formed in one sides, opposite to the two guide plates 13, of the two guide plates 13, the screw 93 pulls the limiting plate 12, the limiting plate 12 pulls the guide blocks, the guide blocks slide in the guide grooves in the guide plates 13, and the screw 93 can be lost for limiting and guiding.
The utility model discloses a theory of operation:
sleeving a spring on a screw 93, enabling an expansion rod 51 to push a connecting plate 52 to move downwards by rotating a bolt, enabling the connecting plate 52 to push a U-shaped frame 53, enabling the U-shaped frame 53 to push an extrusion plate 54, limiting the top end of the spring by using the extrusion plate 54, enabling a screw cylinder 92 to rotate inside a bearing on a fixed plate 91 by rotating the screw cylinder 92, enabling threads in the screw cylinder 92 to interact with threads outside the screw 93, pushing the screw 93 by using a principle of thread movement, enabling the screw 93 to pull a limiting plate 12, enabling the limiting plate 12 to pull a guide block to enable the guide block to slide in a guide groove on a guide plate 13, enabling the screw 93 to pull an adjusting plate 8, enabling the adjusting plate 8 to pull a pointer 10 to enable the pointer 10 to move on a scale plate 11, recording the position of the pointer 10 on the scale plate 11, reserving test data, enabling the adjusting plate 8 to extrude the spring to generate a certain deformation amount, thereby change the atress node of spring, and because of being provided with three regulating plate 8, consequently can test three group's springs simultaneously, make the atress node diverse of three group's springs, start telescopic cylinder 3, drive stripper plate 54 through using telescopic cylinder 3 and press the spring repeatedly, can test out the life of the different node of spring.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A spring fatigue life test bed comprises a base (1), wherein an L-shaped support frame (2) is fixedly connected to the upper surface of the base (1), a telescopic cylinder (3) is fixedly connected to the lower surface of the horizontal part of the L-shaped support frame (2), and the spring fatigue life test bed is characterized in that a pressing plate (4) is fixedly connected to the bottom of the telescopic cylinder (3), a pressing mechanism (5) is arranged at the bottom of the pressing plate (4), the pressing mechanism (5) is used for pressing a spring, two symmetrically-distributed support plates (6) are fixedly connected to the upper surface of the base (1), a test bed (7) is fixedly connected to the tops of the two support plates (6) together, three adjusting plates (8) are arranged at the top of the test bed (7), an adjusting mechanism (9) corresponding to the adjusting plates (8) is arranged at the bottom of the test bed (7), the adjusting mechanism (9) is used for adjusting the distance between the adjusting plate (8) and the pressing plate (54) in the pressing mechanism (5), so that the node of the spring test is changed.
2. The spring fatigue life test bed according to claim 1, wherein the pressing mechanism (5) comprises a telescopic rod (51), a connecting plate (52), three U-shaped frames (53) and three extrusion plates (54), the bottom of the telescopic rod (51) is fixedly connected with the top of the connecting plate (52), the bottom of the connecting plate (52) is fixedly connected with the tops of the three U-shaped frames (53), and the bottoms of the three U-shaped frames (53) are respectively fixedly connected with the tops of the three extrusion plates (54).
3. The spring fatigue life test bed according to claim 1, wherein pointers (10) are fixedly connected to the right sides of the three adjusting plates (8), a scale plate (11) is arranged on one side, away from the adjusting plates (8), of each pointer (10), and the bottom of each scale plate (11) is fixedly connected with the top of the test bed (7).
4. A spring fatigue life test bench according to claim 2, wherein the adjusting mechanism (9) comprises a fixed plate (91), three screw cylinders (92) and three screw rods (93), the left side and the right side of the fixing plate (91) are respectively fixedly connected with one side opposite to the two supporting plates (6), the surface of the fixing plate (91) is provided with three notches corresponding to the three screw cylinders (92), and the inside of the notch is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with the outer wall of the screw cylinder (92), the screw barrel (92) and the screw rod (93) are arranged in a threaded manner, the bottom of the test bed (7) is provided with a second through hole corresponding to the screw rod (93), the centers of the three adjusting plates (8) are provided with third through holes, the outer wall of the screw (93) is fixedly connected with the third through hole, and the center of the extrusion plate (54) is provided with a first through hole corresponding to the screw (93).
5. The spring fatigue life test bed according to claim 4, wherein a limiting plate (12) is fixedly connected to the outer wall of the screw (93), guide plates (13) are arranged on the left side and the right side of the limiting plate (12), the top of each guide plate (13) is fixedly connected with the bottom of the test bed (7), guide blocks are fixedly connected to the left side and the right side of the limiting plate (12), and guide grooves corresponding to the guide blocks are formed in the two opposite sides of each guide plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747560.9U CN214702709U (en) | 2021-04-13 | 2021-04-13 | Spring fatigue life test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747560.9U CN214702709U (en) | 2021-04-13 | 2021-04-13 | Spring fatigue life test bed |
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| Publication Number | Publication Date |
|---|---|
| CN214702709U true CN214702709U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120747560.9U Active CN214702709U (en) | 2021-04-13 | 2021-04-13 | Spring fatigue life test bed |
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| CN (1) | CN214702709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371087A (en) * | 2021-12-31 | 2022-04-19 | 诸暨市海纳特钢有限公司 | Device with spring steel wire fatigue life test structure |
| CN116698322A (en) * | 2023-08-02 | 2023-09-05 | 青州锦荣液压科技有限公司 | Spring automatic checkout device |
-
2021
- 2021-04-13 CN CN202120747560.9U patent/CN214702709U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371087A (en) * | 2021-12-31 | 2022-04-19 | 诸暨市海纳特钢有限公司 | Device with spring steel wire fatigue life test structure |
| CN114371087B (en) * | 2021-12-31 | 2022-09-06 | 诸暨市海纳特钢有限公司 | Device with spring steel wire fatigue life test structure |
| CN116698322A (en) * | 2023-08-02 | 2023-09-05 | 青州锦荣液压科技有限公司 | Spring automatic checkout device |
| CN116698322B (en) * | 2023-08-02 | 2023-09-26 | 青州锦荣液压科技有限公司 | Spring automatic checkout device |
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