Detection device for plate spring of plate trailer

Abstract

The utility model provides a detection device for a plate spring of a plate trailer, which relates to the technical field of plate spring processing, and comprises an L-shaped base, a groove is arranged in the middle of the top of the L-shaped base, an arc-shaped bracket is arranged on the bottom surface in the groove, a vertical column is fixed at the edge of the top of the L-shaped base close to one side, a suspension beam is fixed on one side of the vertical column, and the suspension beam is fixed on the other side of the vertical column. According to the plate spring, one side of the plate spring body extends to the position below the rolling wheel, the pressing plate is driven to slide downwards by rotating the adjusting rod, then the spring is pressed, and at the moment, when the adjusting rod descends, corresponding scale marks between scale strips on the adjusting rod and the top of the suspension beam can also be changed; people can obtain the stroke of pressing one end of the plate spring body by the rolling wheel by reading the change of the scale marks, and meanwhile, the rolling wheel is in contact with one side of the plate spring body, so that the plate spring body can slide towards the side edge under the guide of the rolling wheel when the plate spring body is pressed to laterally extend, and interference is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate spring processing technical field especially plate car plate spring's detection device. BACKGROUND

[0002] Spring is the most traditional elastic element in the automobile suspension system, and is widely used due to its good reliability, simple structure, short manufacturing process, low cost and greatly simplified structure.

[0003] At present, when the elasticity of the plate spring is detected, the plate spring needs to be pressed on one side, and the elasticity of the plate spring is obtained according to the stroke of the pressing. However, when pressing, one end of the plate spring is fixed, and the plate spring is arc-shaped, so that when the other end is pressed downward, the lateral displacement is generated at the same time of the downward sliding, which causes the friction damage of the contact part. UTILITY MODEL CONTENT

[0004] The utility model discloses a plate car plate spring's detection device to solve the prior art problem, and the basic idea of technical scheme that the utility model adopts is:

[0005] A plate car plate spring's detection device, including the L type base, the top of L type base is located in the recess that is set up in the middle, the inside bottom surface of recess is provided with arc-shaped bracket, the top of L type base is fixed with the stand near one side edge, one side of stand is fixed with the cantilever beam, the inside of cantilever beam is provided with adjusting cavity, the inner wall of adjusting cavity is slidably provided with the pressing plate, the bottom of pressing plate is fixed with the pressure rod, the bottom of pressure rod penetrates to the below of cantilever beam, the bottom of pressure rod is rotatably provided with the gyro wheel.

[0006] Optionally, the two side inner walls of the adjusting cavity are provided with guide openings, and two guide blocks are slidably arranged between the inner walls of the two guide openings.

[0007] Optionally, the top of the pressing plate is provided with an inner cavity, the inner cavity is rotatably provided with an adjusting rod, the top of the adjusting rod is threaded to the above of the cantilever beam, and the outer surface of the adjusting rod is provided with a scale bar.

[0008] Optionally, the bottom of the pressing plate is fixed with a spring, and the bottom of the spring is fixed to the inner bottom surface of the adjusting cavity.

[0009] Optionally, the top of the arc-shaped bracket is provided with a plate spring body, and the other side of the L-shaped base is provided with a constraint opening.

[0010] Optionally, one side of the plate spring body extends to the inside of the constraint port, and a magnetic strip is fixed to the top of the arc-shaped bracket near the rear side edge and is attached to the rear side of the plate spring body.

[0011] Optionally, the other side of the plate spring body extends below the roller.

[0012] After the technical scheme is applied, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0013] 1、 in the utility model, one side of the plate spring body extends below the roller, so that it is driven by the rotating adjusting rod to slide down the pressing plate, thereby pressing the spring, at this time, the scale bar on the adjusting rod and the corresponding scale line between the top of the cantilever will also change when the adjusting rod descends, and people can obtain the stroke of the roller pressing one end of the plate spring body by reading the change of the scale line, and at the same time, the roller is in contact with one side of the plate spring body, so that the plate spring body can slide to the side edge under the guidance of the roller when it extends laterally under pressure, thereby preventing interference.

[0014] 2、 in the utility model, when the plate spring body is placed, first, the plate spring body is placed on the arc-shaped bracket, the rear side of the plate spring body is pre-positioned by the magnetic strip on the arc-shaped bracket, then one end of the plate spring body extends to the inside of the constraint port, the one end of the plate spring body can be constrained, and the other side of the plate spring body is prevented from being raised when the one side of the plate spring body under the roller is pressed downward. BRIEF DESCRIPTION OF DRAWINGS

[0015] The following description of the drawings is merely some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:

[0016] Figure 1 A front view of the detection device for the plate spring of the board vehicle is provided for the utility model;

[0017] Figure 2 A side view of the detection device for the plate spring of the board vehicle is provided for the utility model;

[0018] Figure 3 A partial sectional view of the detection device for the plate spring of the board vehicle is provided for the utility model;

[0019] Figure 4 The utility model Figure 3 provides an enlarged view of A.

[0020] In the drawings, the component list represented by each reference numeral is as follows:

[0021] 1. L-shaped base; 2. Groove; 3. Arc-shaped bracket; 4. Leaf spring body; 5. Constraint opening; 6. Magnetic strip; 7. Column; 8. Cantilever beam; 9. Adjustment cavity; 10. Guide opening; 11. Guide block; 12. Adjustment rod; 13. Scale strip; 14. Pressure plate; 15. Inner cavity; 16. Spring; 17. Pressure rod; 18. Roller.

[0022] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings.

[0024] Example 1, as Figures 1-4 As shown, this utility model provides a technical solution for a detection device for a leaf spring of a board car: it includes an L-shaped base 1, a groove 2 is provided in the middle of the top of the L-shaped base 1, an arc-shaped bracket 3 is provided on the bottom surface of the groove 2, a column 7 is fixed near one edge of the top of the L-shaped base 1, a suspension beam 8 is fixed on one side of the column 7, an adjustment cavity 9 is provided inside the suspension beam 8, a pressure plate 14 is slidably arranged between the inner walls of the adjustment cavity 9, a pressure rod 17 is fixed at the bottom of the pressure plate 14, the bottom of the pressure rod 17 extends through to the bottom of the suspension beam 8, and a roller 18 is rotatably arranged at the bottom of the pressure rod 17.

[0025] The effect achieved by the entire embodiment 1 is that one side of the leaf spring body 4 extends below the roller 18, so that the pressure plate 14 slides down by rotating the adjusting rod 12, thereby pressing the spring 16. At this time, when the adjusting rod 12 descends, the scale bar 13 on it and the corresponding scale line between the top of the suspension beam 8 will also change. People can read the change of the scale line to determine the stroke of the roller 18 pressing down one end of the leaf spring body 4. At the same time, the roller 18 is in contact with one side of the leaf spring body 4, so that when the leaf spring body 4 extends laterally under the pressure, it can slide to the side under the guidance of the roller 18 to prevent interference.

[0026] Example 2, as Figures 1-4As shown, the two sides of the adjusting cavity 9 are provided with guide openings 10, and the inner walls of the two guide openings 10 are slidably provided with guide blocks 11, the two guide blocks 11 are correspondingly fixed on the two sides of the outer surface of the pressing plate 14, the top of the pressing plate 14 is provided with an inner cavity 15, the inner cavity 15 is rotatably provided with an adjusting rod 12, the top of the adjusting rod 12 is screwed to the upper side of the cantilever beam 8, the outer surface of the adjusting rod 12 is provided with a scale strip 13, the bottom of the pressing plate 14 is fixedly provided with a spring 16, the bottom of the spring 16 is fixed to the inner bottom surface of the adjusting cavity 9, the top of the arc-shaped bracket 3 is provided with a leaf spring body 4, the other side of the L-shaped base 1 is provided with a constraint opening 5, one side of the leaf spring body 4 extends to the inside of the constraint opening 5, the top of the arc-shaped bracket 3 is fixedly provided with a magnetic strip 6 near the rear edge, the magnetic strip 6 is attached to the rear side of the leaf spring body 4, and the other side of the leaf spring body 4 extends to the lower side of the roller 18.

[0027] The effect achieved by the whole embodiment 2 is that when the leaf spring body 4 is placed, the leaf spring body 4 is first placed on the arc-shaped bracket 3, the rear side of the leaf spring body 4 is adsorbed and positioned by the magnetic strip 6 on the arc-shaped bracket 3, then one end of the leaf spring body 4 extends to the inside of the constraint opening 5, so that one end of the leaf spring body 4 can be constrained, and when the side of the leaf spring body 4 below the roller 18 is pressed downward, the other side is prevented from being raised.

[0028] Working principle: one side of the leaf spring body 4 extends to the lower side of the roller 18, so that it drives the pressing plate 14 to slide downward by rotating the adjusting rod 12, and then the spring 16 is pressed, at this time, when the adjusting rod 12 descends, the scale line between the scale strip 13 on the adjusting rod 12 and the top of the cantilever beam 8 also changes, people can read the change of the scale line to obtain the stroke of the roller 18 pressing one end of the leaf spring body 4, and the roller 18 is in contact with one side of the leaf spring body 4, so that the leaf spring body 4 can slide to the side under the guidance of the roller 18 when it is pressed laterally, and interference is prevented, when the leaf spring body 4 is placed, the leaf spring body 4 is first placed on the arc-shaped bracket 3, the rear side of the leaf spring body 4 is adsorbed and positioned by the magnetic strip 6 on the arc-shaped bracket 3, then one end of the leaf spring body 4 extends to the inside of the constraint opening 5, so that one end of the leaf spring body 4 can be constrained, and when the side of the leaf spring body 4 below the roller 18 is pressed downward, the other side is prevented from being raised.

[0029] The utility model is not limited to the above-mentioned embodiment, anyone should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar technical scheme of the utility model falls into the protection scope of the utility model. The utility model does not describe the technology, shape, structure part in detail, which is the known technology.

Claims

1. A detection device for a trolley plate spring, comprising an L-shaped base (1), characterized in that: The top of the L-shaped base (1) is provided with a groove (2) in the middle, the inner bottom surface of the groove (2) is provided with an arc-shaped bracket (3), the top of the L-shaped base (1) is fixed with a stand (7) near one side edge, one side of the stand (7) is fixed with a cantilever beam (8), the inside of the cantilever beam (8) is provided with an adjusting cavity (9), the inner wall of the adjusting cavity (9) is slidably provided with a pressing plate (14), the bottom of the pressing plate (14) is fixed with a pressing rod (17), the bottom of the pressing rod (17) penetrates to the lower side of the cantilever beam (8), and the bottom of the pressing rod (17) is rotatably provided with a roller (18).

2. The detection device of a truck leaf spring according to claim 1, characterized in that: The two side inner walls of the adjusting cavity (9) are provided with guide holes (10), and the inner walls of the two guide holes (10) are slidably provided with guide blocks (11), and the two guide blocks (11) are correspondingly fixed on the two side outer surfaces of the pressing plate (14).

3. The detection device of a truck leaf spring according to claim 2, characterized in that: The top of the pressing plate (14) is provided with an inner cavity (15), the inner cavity (15) is rotatably provided with an adjusting rod (12), the top of the adjusting rod (12) is screwed to the upper side of the cantilever beam (8), and the outer surface of the adjusting rod (12) is provided with a scale bar (13).

4. The detection device of a truck leaf spring according to claim 3, characterized in that: The bottom of the pressing plate (14) is fixed with a spring (16), and the bottom of the spring (16) is fixed on the inner bottom surface of the adjusting cavity (9).

5. The apparatus for detecting a plate spring of a truck plate according to claim 4, wherein: The top of the arc-shaped bracket (3) is provided with a plate spring body (4), and the other side of the L-shaped base (1) is provided with a constraint hole (5).

6. The detection device of a truck leaf spring according to claim 5, characterized in that: One side of the plate spring body (4) extends to the inside of the constraint hole (5), the top of the arc-shaped bracket (3) is fixed with a magnetic attraction strip (6) near the rear side edge, and the magnetic attraction strip (6) is attached to the rear side of the plate spring body (4).

7. The detection device of a truck leaf spring according to claim 6, characterized in that: The other side of the plate spring body (4) extends to the lower side of the roller (18).

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