Spring elasticity testing machine

Abstract

The utility model relates to the technical field of spring detection, and discloses a spring elasticity testing machine which comprises a base plate, an outer side protection pipeline is fixedly arranged on the upper surface of the base plate, a power groove is fixedly formed in the middle of the back of the outer side protection pipeline, and a poke rod is rotationally arranged on the inner wall of the middle of the top of the power groove through a rotating rod. A main hanging rod is fixedly arranged at the bottom of one end of the poke rod, an auxiliary hanging rod is slidably arranged on a hook at the bottom of the main hanging rod, and the middle of the auxiliary hanging rod is rotationally arranged in the middle of one side of the middle plate through a rotating rod. According to the spring elasticity testing machine, by arranging the cross rod, the main hanging rod, the auxiliary hanging rod and other parts, three sets of gravity are driven at the same time to apply pressure to an internal spring, the phenomenon of non-uniform force in the process of testing the elasticity is avoided, the testing accuracy is guaranteed, the gravity setting is prevented from being disengaged in the process of testing, and the safety of the periphery of the test is protected; and moreover, the elastic force testing device can be used repeatedly, and the elastic force testing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring detection technical field, concretely is a kind of spring elasticity testing machine. BACKGROUND

[0002] Spring is a kind of mechanical part using elasticity to work.Parts made of elastic material are deformed under the action of external force, and restore to original shape after removing external force, and the types of spring are complex and diverse, according to shape, mainly have helical spring, spiral spring, plate spring, special-shaped spring etc., spring usually carries out a spring force test and can be produced and used.

[0003] In the conventional spring elasticity test process, only a single spring can be tested, it is inconvenient to test multiple springs simultaneously to achieve comparison effect, which affects the spring elasticity test record, and the current test efficiency is low, which affects the accuracy of spring elasticity test, and the gravity of the impact is not stable enough, which affects the judgment of spring elasticity. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a spring elasticity testing machine, which has the advantages of realizing simultaneous testing of three springs, applying the same force, facilitating observation of the change of spring under the same gravity, preventing errors in testing, avoiding the influence of external force on the applied gravity, facilitating testing of springs of different specifications, avoiding the need to replace the testing machine due to the size of spring, improving the working efficiency of spring elasticity test, etc., solving the problem that in the conventional spring elasticity test process, only a single spring can be tested, it is inconvenient to test multiple springs simultaneously to achieve comparison effect, which affects the spring elasticity test record, and the current test efficiency is low, which affects the accuracy of spring elasticity test, and the gravity of the impact is not stable enough, which affects the judgment of spring elasticity.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a spring elasticity testing machine, comprising a base plate, an outer protection pipe is fixedly arranged on the upper surface of the base plate, a power groove is fixedly arranged at the middle position of the back of the outer protection pipe, a driving rod is rotatably arranged on the inner wall of the middle position of the top of the power groove through a rotating rod, a main hanging rod is fixedly arranged at the bottom of one end of the driving rod, a secondary hanging rod is slidably arranged on the hook at the bottom of the main hanging rod, the middle part of the secondary hanging rod is rotatably arranged on the middle part of one side of the middle plate through a rotating rod, and the other side of the middle plate is fixedly arranged on the middle part outside the outer protection pipe.

[0007] The bottom of the auxiliary hanging rod is rotatably arranged on the top of the supporting plate through a rotating rod, the bottom of the supporting plate is fixedly arranged on the top of the square ring, the middle part of the square ring is rotatably sleeved on the middle part of the horizontal rod through a rotating rod, the middle part of the lower surface of the horizontal rod is fixedly provided with a fixing frame, the bottom of one side of the fixing frame is fixedly provided with a hydraulic rod, one end of the hydraulic rod away from the fixing frame is fixedly arranged on the top of one side of the fixing plate, and the bottom of the fixing plate is fixedly arranged on the upper surface of the base plate.

[0008] Preferably, the end of the pulling lever away from the main hanging rod is fixedly provided with a gravity supporting plate, the upper surface of the gravity supporting plate is provided with a circular groove, and the diameter of the gravity supporting plate is smaller than the diameter of the inner wall of the outer protective pipeline.

[0009] Preferably, the bottom of the auxiliary hanging rod is fixedly provided with an elliptical long groove, the diameter of the elliptical long groove is greater than the diameter of the rotating rod on the top of the supporting plate, and the hooks on the top of the auxiliary hanging rod and the hooks on the bottom of the main hanging rod are symmetrically arranged.

[0010] Preferably, the bottom of the fixing frame is fixedly provided with a sliding plate, the bottom of the sliding plate is slidably sleeved on the outer circumferential surface of the middle part of the limiting rod, and one end of the limiting rod is fixedly arranged on the middle part of one side of the fixing plate.

[0011] Preferably, the middle part of the inner wall of the outer protective pipeline is fixedly provided with a scale, the bottom of the inner wall of the outer protective pipeline is slidably provided with two symmetrical arc-shaped limiting plates, the outer side of the arc-shaped limiting plate is fixedly provided with an elastic plate, and the outer side of the elastic plate is arranged on the inner wall of the outer protective pipeline.

[0012] Preferably, the surface of the horizontal rod is uniformly sleeved with three same square rings, each square ring is provided with an auxiliary hanging rod through a supporting plate, and the three auxiliary hanging rods are arranged on the outer sides of the three outer protective pipelines.

[0013] (II) Beneficial effects

[0014] Compared with the prior art, the spring elasticity testing machine has the following beneficial effects:

[0015] 1. The spring elasticity testing machine, by setting the horizontal rod, the main hanging rod and the auxiliary hanging rod and other components, can simultaneously drive three groups of gravity to apply pressure to the internal spring, avoid the uneven phenomenon in the hand during the test of the elasticity, ensure the accuracy of the test, prevent the gravity setting from being separated during the test, protect the safety around the test, avoid the harm to the operator, and can be used multiple times, and reduce the cost of testing the elasticity.

[0016] 2. The spring force testing machine can test three springs at the same time and can apply the same force, which is convenient for observing the changes of the springs under the same gravity, preventing errors in the test and avoiding the influence of external forces on the applied gravity. At the same time, it is convenient for testing springs of different specifications, avoiding the need to replace the testing machine due to the size of the spring, and improving the work efficiency of testing spring force. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the back of the utility model;

[0018] Figure 2 This is a schematic diagram of the left side structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the front side of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the elastic plate of the utility model.

[0021] In the figure: 1. Base plate; 2. Arc-shaped limit plate; 3. Outer protective pipe; 4. Cross bar; 5. Square ring; 6. Middle plate; 7. Auxiliary hanging rod; 8. Toggle rod; 9. Power trough; 10. Main hanging rod; 11. Support plate; 12. Fixed frame; 13. Scale; 14. Slide plate; 15. Limit rod; 16. Fixed plate; 17. Hydraulic rod; 18. Elastic plate; 19. Gravity support plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The following is combined with Figures 1-4 This application is described in further detail.

[0024] An embodiment of the present application discloses a spring elastic force testing machine, including a base plate 1, an outer protective pipe 3 is fixedly provided on the upper surface of the base plate 1, a scale 13 is fixedly provided in the middle of the inner wall of the outer protective pipe 3, and two symmetrical arc-shaped limit plates 2 are slidingly provided on the bottom of the inner wall of the outer protective pipe 3, an elastic plate 18 is fixedly provided on the outer side of the arc-shaped limit plate 2, and the outer side of the elastic plate 18 is set on the inner wall of the outer protective pipe 3. The scale 13 is used to conveniently observe the deformation distance of the spring after being subjected to pressure, so as to judge the elastic force of the spring. The elastic plate 18 slides on the inner wall of the outer protective pipe 3, so that springs of more specifications can be stably placed inside.

[0025] The middle position of the back of the outer protective pipeline 3 is fixedly provided with a power groove 9, and the inner wall of the middle position of the top of the power groove 9 is rotatably provided with a push rod 8 through a rotating rod. The end of the push rod 8 away from the main hanging rod 10 is fixedly provided with a gravity supporting plate 19. The upper surface of the gravity supporting plate 19 is provided with a circular groove. The diameter of the gravity supporting plate 19 is smaller than the inner wall diameter of the outer protective pipeline 3. The gravity supporting plate 19 is arranged in the inner part of the outer protective pipeline 3, so as to facilitate the placement of the pressure ball and the pressing of the spring below.

[0026] The bottom of one end of the push rod 8 is fixedly provided with the main hanging rod 10. The hook at the bottom of the main hanging rod 10 is slidably provided with a secondary hanging rod 7. The bottom of the secondary hanging rod 7 is fixedly provided with an elliptical long groove. The diameter of the elliptical long groove is greater than the diameter of the rotating rod at the top of the supporting plate 11. The hook at the top of the secondary hanging rod 7 is symmetrically arranged with the hook at the bottom of the main hanging rod 10. The elliptical long groove at the bottom of the secondary hanging rod 7 prevents motion conflict when the secondary hanging rod 7 makes an arc motion. The middle part of the secondary hanging rod 7 is rotatably arranged at the middle part of one side of the middle plate 6 through a rotating rod. The other side of the middle plate 6 is fixedly arranged at the middle part of the outer side of the outer protective pipeline 3.

[0027] The bottom of the secondary hanging rod 7 is rotatably arranged at the top of the supporting plate 11 through a rotating rod. The bottom of the supporting plate 11 is fixedly arranged at the top of the square ring 5. The middle part of the square ring 5 is rotatably sleeved at the middle part of the horizontal rod 4 through a rotating rod. The surface of the horizontal rod 4 is uniformly sleeved with three same square rings 5. The top of each square ring 5 is provided with the secondary hanging rod 7 through the supporting plate 11. The three secondary hanging rods 7 are arranged at the outer sides of the three outer protective pipelines 3. The horizontal rod 4 drives the three secondary hanging rods 7 to move simultaneously through the three square rings 5 when the horizontal rod 4 moves, so as to realize the elastic force test of the three springs simultaneously.

[0028] The middle part of the lower surface of the horizontal rod 4 is fixedly provided with a fixing frame 12. The bottom of the fixing frame 12 is fixedly provided with a sliding plate 14. The bottom of the sliding plate 14 is slidably sleeved at the outer circumferential surface of the middle part of the limiting rod 15. One end of the limiting rod 15 is fixedly arranged at the middle part of one side of the fixed plate 16. The sliding plate 14 slides on the surface of the limiting rod 15, so as to ensure the stability of the fixing frame 12 in the movement process and limit the movement track.

[0029] The bottom of one side of the fixing frame 12 is fixedly provided with a hydraulic rod 17. The end of the hydraulic rod 17 away from the fixing frame 12 is fixedly arranged at the top of one side of the fixed plate 16. The bottom of the fixed plate 16 is fixedly arranged at the upper surface of the base plate 1.

[0030] The working principle of the spring elasticity testing machine is as follows: in use, the spring is placed in the inside of the outer protection pipe 3, the two arc limiting plates 2 on the two sides are used for clamping and limiting the two sides of the spring, the gravity ball is placed on the upper surface of the gravity supporting plate 19, the hydraulic rod 17 is started as a power to drive the fixed frame 12 to move, the fixed frame 12 drives the three square rings 5 to move through the cross rod 4, the square ring 5 drives the auxiliary hanging rod 7 to move in an arc through the supporting plate 11, when the auxiliary hanging rod 7 moves in a circle, the barb at the top of the auxiliary hanging rod 7 is separated from the clamping of the main hanging rod 10, so that the main hanging rod 10 is separated from the restraint, under the action of gravity, the gravity supporting plate 19 drives the stirring rod 9 to swing, so that the gravity ball hits the spring, the spring is deformed under the force, the amplitude of the deformation is lifted on the side of the scale, and the elasticity of the spring is judged by reading the position of the spring lifting.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spring force tester comprising a base plate (1) characterised in that: The upper surface of the base plate (1) is fixedly provided with an outer protection pipeline (3), the middle position of the back of the outer protection pipeline (3) is fixedly provided with a power groove (9), the inner wall of the middle position of the top of the power groove (9) is rotatably provided with a push rod (8) through a rotating rod, the bottom of one end of the push rod (8) is fixedly provided with a main hanging rod (10), the hook of the bottom of the main hanging rod (10) is slidably provided with a secondary hanging rod (7), the middle part of the secondary hanging rod (7) is rotatably arranged on the middle part of one side of a middle plate (6), the other side of the middle plate (6) is fixedly arranged on the middle part of the outer side of the outer protection pipeline (3). The bottom of the secondary hanging rod (7) is rotatably arranged on the top of a supporting plate (11), the bottom of the supporting plate (11) is fixedly arranged on the top of a square ring (5), the middle part of the square ring (5) is rotatably sleeved on the middle part of a horizontal rod (4) through a rotating rod, the middle part of the lower surface of the horizontal rod (4) is fixedly provided with a fixing frame (12), the bottom of one side of the fixing frame (12) is fixedly provided with a hydraulic rod (17), the end of the hydraulic rod (17) away from the fixing frame (12) is fixedly arranged on the top of one side of a fixed plate (16), the bottom of the fixed plate (16) is fixedly arranged on the upper surface of the base plate (1).

2. The spring force testing machine of claim 1, wherein: The end of the push rod (8) away from the main hanging rod (10) is fixedly provided with a gravity supporting plate (19), the upper surface of the gravity supporting plate (19) is provided with a circular groove, and the diameter of the gravity supporting plate (19) is smaller than the diameter of the inner wall of the outer protection pipeline (3).

3. The spring force testing machine of claim 1, wherein: The bottom of the secondary hanging rod (7) is fixedly provided with an elliptical long groove, the diameter of the elliptical long groove is greater than the diameter of the rotating rod on the top of the supporting plate (11), and the hooks on the top of the secondary hanging rod (7) and the hooks on the bottom of the main hanging rod (10) are symmetrically arranged.

4. The spring force testing machine of claim 1, wherein: The bottom of the fixing frame (12) is fixedly provided with a sliding plate (14), the bottom of the sliding plate (14) is slidably sleeved on the outer circumferential surface of the middle part of a limiting rod (15), and one end of the limiting rod (15) is fixedly arranged on the middle part of one side of the fixed plate (16).

5. The spring force testing machine of claim 1, wherein: The middle part of the inner wall of the outer protection pipeline (3) is fixedly provided with a scale (13), the bottom of the inner wall of the outer protection pipeline (3) is slidably provided with two symmetrical arc-shaped limiting plates (2), the outer side of the arc-shaped limiting plate (2) is fixedly provided with an elastic plate (18), and the outer side of the elastic plate (18) is arranged on the inner wall of the outer protection pipeline (3).

6. The spring force testing machine of claim 1, wherein: The surface of the horizontal rod (4) is uniformly sleeved with three same square rings (5), each square ring (5) is provided with a secondary hanging rod (7) through a supporting plate (11) on the top thereof, and the three secondary hanging rods (7) are arranged on the outer sides of the three outer protection pipelines (3).

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