CN218956263U - Rigidity tester - Google Patents

Abstract

The utility model relates to a rigidity tester, which comprises a display screen, a linear actuator, a displacement scale, an instrument main body frame and a mechanical sensor, wherein the linear actuator is arranged on the display screen; wherein the instrument main body frame comprises an instrument upper frame body and an instrument lower frame body; the main body of the linear actuator is fixed to the upper frame of the instrument, the displacement scale is fixed to the upper frame of the instrument, and the digital display pointer of the displacement scale is fixedly connected with the moving rod of the linear actuator; the mechanical sensor is arranged at the upper part of the inner part of the lower frame of the instrument, is fixedly connected with the moving rod of the linear actuator, and is used for testing the rigidity of the tested part in the lower frame of the instrument; the display screen is used for displaying detection data of the mechanical sensor. The rigidity tester can measure the rigidity of various elastic parts, has wide application range, meets the requirement of measuring various elastic parts, and is simple and convenient to operate.

Description

Rigidity tester

Technical Field

The utility model relates to the field of elasticity testing, in particular to a rigidity tester.

Background

With the development of mechanization and intelligence, the life or industry is increasingly applied to elastic components, the most common elastic components such as spring devices are applied to various devices in various industries, and the elasticity of each elastic component has strict regulation on a precise instrument, so that the elastic component needs to be measured under certain requirements.

The existing elasticity measuring instrument, also called stiffness tester, measures the deformation of the spring by stretching and compressing the spring, and measures the spring stiffness by the deformation and deformation coefficient of the spring, while the existing stiffness tester is generally used for measuring the stiffness of the spring intelligently and cannot measure other elastic components, so that the requirement cannot be met when a tester needs to measure other types of elastic components.

Disclosure of Invention

The utility model provides a rigidity tester. The rigidity tester can measure the rigidity of various elastic components, has wide application range, meets the requirement of measuring various elastic components, and is simple and convenient to operate.

In order to achieve the above object, the present utility model discloses a rigidity tester, which comprises a display screen, a linear actuator, a displacement scale, an instrument main body frame and a mechanical sensor; wherein, the liquid crystal display device comprises a liquid crystal display device,

the instrument main body frame comprises an instrument upper frame body and an instrument lower frame body;

the main body of the linear actuator is fixed to the upper frame of the instrument, the displacement scale is fixed to the upper frame of the instrument, and the digital display pointer of the displacement scale is fixedly connected with the moving rod of the linear actuator;

the mechanical sensor is arranged at the upper part of the inner part of the lower frame of the instrument, is fixedly connected with the moving rod of the linear actuator, and is used for testing the rigidity of the tested part in the lower frame of the instrument;

the display screen is used for displaying detection data of the mechanical sensor.

Further, an heightening bracket is arranged in the instrument lower frame body of the instrument main body frame, the bottom of the heightening bracket is fixed at the bottom of the instrument lower frame body, and a height adjusting screw is arranged on the heightening bracket.

Further, an elastic component tray is arranged on the height adjusting screw and used for bearing the tested part.

Further, a shock absorber fixing frame is arranged on the height adjusting screw, shock absorber fixing pins are arranged on the shock absorber fixing frame, a shock absorption fixing frame is connected to the lower portion of the mechanical sensor, shock absorber fixing pins are arranged on the shock absorption fixing frame, and two ends of the measured part are respectively fixed on the shock absorber fixing frame and the shock absorber fixing frame through the shock absorber fixing pins and the shock absorber fixing pins.

Further, the height adjusting screw is an external thread, and the heightening bracket and the elastic component tray are provided with internal threads matched with the heightening bracket and the elastic component tray.

Further, the rigidity tester further comprises a scram switch and an electric cabinet for controlling the linear actuator, wherein the scram switch stops the linear actuator through the electric cabinet.

Further, the rigidity tester further comprises lifting hands arranged on two sides of the lower instrument frame body of the instrument main body frame.

Further, the rigidity tester also comprises a guide rod, one end of the guide rod is fixed at the moving end of the linear actuator, and the other end of the guide rod is fixed at the bottom of the upper frame body of the instrument

Further, the linear actuator includes a main body fixed to the instrument main body frame, and a moving rod capable of performing linear telescopic movement with respect to the main body.

Further, the displacement scale comprises a scale and a digital display pointer, one end of the scale is fixed on a transverse fixing strip arranged on one side of the upper frame of the instrument, the other end of the scale is fixed at the bottom of the upper frame of the instrument, and the digital display pointer and the scale can perform relative linear motion to display position values.

Further, the mechanical sensor comprises a sensor cylinder body and a pressure measuring head, wherein the sensor cylinder body is a fixed end and fixed on the instrument main body frame, and the pressure measuring head contacts the surface of the measured part to collect pressure test data.

The embodiment of the utility model discloses a rigidity tester, which comprises an electric cabinet, a display screen, a linear actuator, a displacement scale, a guide rod, an instrument main body frame and a mechanical sensor, wherein the display screen is arranged on the electric cabinet; wherein the instrument main body frame comprises an instrument upper frame body and an instrument lower frame body; the electric control box is arranged at the upper part of the upper frame body of the instrument, and the display screen is arranged on one side surface of the electric control box; the main body of the linear actuator is fixed on a frame of the upper frame of the instrument, one end of the displacement scale is fixed on a transverse fixing strip arranged on one side of the upper frame of the instrument, the other end of the displacement scale is fixed at the bottom of the upper frame of the instrument, one end of the guide rod is fixed at the moving end of the linear actuator, and the other end of the guide rod is fixed at the bottom of the upper frame of the instrument; the mechanical sensor is arranged at the upper part of the inner part of the lower frame of the instrument and is fixedly connected with the moving rod of the linear actuator, and the tested part performs rigidity test in the lower frame of the instrument. The rigidity tester can measure the rigidity of various elastic parts, such as tires, springs, shock absorbers and the like, has wide application range, meets the requirements of measuring various elastic parts, and is simple and convenient to operate.

The foregoing description is only a summary of the utility model, and is intended to be used as a basis for the understanding of the principles of the utility model, as it is further defined in the appended claims and in the description to provide further understanding of the utility model with the aid of the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a rigidity tester according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a stiffness tester according to another embodiment of the present utility model;

FIG. 3 is a schematic diagram of a stiffness tester according to another embodiment of the present utility model;

FIG. 4 is a schematic view of a linear actuator according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a displacement scale according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a mechanical sensor according to an embodiment of the utility model.

Reference numerals:

1. electric control box

2. Display screen

3. Scram switch

4. Linear actuator

4-1 body

4-2 moving rod

5. Displacement scale

5-1 Scale

5-2 digital display pointer

6. Guide rod

7. Main body frame

8. Lifting hand

9. Mechanical sensor

9-1 sensor cylinder

9-2 pressure measuring head

100. Part under test

11. Height increasing support

12. Height adjusting screw

13 elastic component tray

14-1 lower shock absorber fixing frame and 14-2 upper shock absorber fixing frame

15-1 lower damper fixing pin and 15-2 upper damper fixing pin

Detailed Description

In order to more clearly describe the technical contents of the present utility model, a further description will be made below in connection with specific embodiments.

The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

As shown in fig. 1, a structural schematic diagram of a rigidity tester according to an embodiment of the present utility model is shown, where the rigidity tester includes an electric cabinet 1, a display screen 2, an emergency stop switch 3, a linear actuator 4, a displacement scale 5, a guide rod 6, an instrument main body frame 7, a hand lifting 8, and a mechanical sensor 9; wherein the instrument main frame 7 comprises an instrument upper frame and an instrument lower frame; the electric control box 1 is arranged at the upper part of the upper frame body of the instrument, and the display screen 2 is arranged on one side surface of the electric control box 1; the emergency stop switch 3 is arranged at the top position of the electric cabinet 1; the main body of the linear actuator 4 is fixed on a frame of the upper frame of the instrument, one end of the displacement scale 5 is fixed on a transverse fixing strip arranged on one side of the upper frame of the instrument, the other end of the displacement scale is fixed at the bottom of the upper frame of the instrument, a digital display pointer of the displacement scale is fixedly connected with a moving rod of the linear actuator, one end of the guide rod 6 is fixed at the moving end of the linear actuator, and the other end of the guide rod is fixed at the bottom of the upper frame of the instrument; the lifting hands 8 are arranged on two sides of the lower instrument frame body of the main instrument frame body 6; the mechanical sensor 9 is disposed at an upper portion of an inner portion of the lower frame of the apparatus and is fixedly connected with a moving rod of the linear actuator 4, the tested part 100 is subjected to rigidity test in the lower frame of the apparatus, and the display screen 2 is used for displaying detection data of the mechanical sensor. The emergency stop switch 3 stops the linear actuator through the electric cabinet 1. In the example of the tire shown as the measured part 100 in the drawing, the tire is prevented from being placed in the lower frame of the main body frame 7, and the tire is subjected to a deformation pressure test by the linkage of the linear actuator 4, the displacement scale 5, the guide rod 6 and the mechanical sensor, so that the rigidity value of the tire is determined. It should be noted that the part 100 to be tested in this embodiment is not limited to a tire, and may be any device, apparatus or part having an elastic material, such as a rubber product, a plastic product, a metal product, and the like.

The instrument mainly comprises the following components and performs the following steps:

(1) The instrument main body frame 7 is formed by welding a plurality of metal pieces, is the largest supporting frame, and is convenient to carry because the two lifting hands 8 are respectively fixed together.

(2) The body of the linear actuator 4 is fixed to the instrument body frame 7, and the moving rod is fixed to the mechanical sensor 9 so that the mechanical sensor 9 can perform both ascending and descending actions.

(3) The guide rod 6 plays a guiding role, so that the moving end of the linear motor 4 can be vertically lifted.

(4) The scale 5-1 of the displacement scale 5 is fixed to the instrument body frame 7, and the digital display pointer is connected with the moving end of the linear actuator 4 so that the lifting distance can be read out.

(5) When the mechanical sensor 9 touches the tyre to be tested, the pressure value is displayed on the display screen 2 of the electric cabinet 1.

(6) The stiffness value can be directly calculated according to the displacement value of the displacement scale 5 and the force value of the mechanical sensor 9.

(7) The real instrument can be powered off through the emergency stop switch 3, so that personal safety is ensured.

Referring to fig. 2, a schematic structural diagram of a rigidity tester according to another embodiment of the present utility model is shown, and an elevation bracket 11, a height adjusting screw 12 and an elastic component tray 13 are added in combination with fig. 1. The height adjusting device comprises an instrument main frame body 7, a height adjusting screw 12, a height adjusting bracket 11, a height adjusting screw rod 12 and a height adjusting screw rod, wherein the height adjusting screw rod 11 is arranged in the instrument main frame body 7, and the bottom of the height adjusting screw rod 11 is fixed at the bottom of the instrument main frame body. An elastic component tray 13 is arranged on the height adjusting screw 12, and the elastic component tray 13 is used for bearing the tested part 100. The height adjusting screw 12 is an external thread, and the height increasing bracket 11 and the elastic component tray 13 are provided with internal threads matched with the height increasing bracket.

In this embodiment, the following tools are required to be added and executed when the spring or the bushing is measured:

(1) An elevating bracket 11, a height adjusting screw 12 and an elastic component tray 13 are added.

(2) The height-adjusting screw 12 is externally threaded by screwing the height-adjusting bracket 11 to the instrument body frame 7, and the height-adjusting bracket 11 and the elastic component tray 13 have internal threads to be mated therewith. When the height adjusting screw 12 is rotated, the height of the elastic component tray 13 can be adjusted, so that the device can measure large and micro elastic components.

Referring to fig. 3, a schematic structural diagram of a rigidity tester according to another embodiment of the present utility model is shown, and an elevation bracket 11, a height adjusting screw 12 and an elastic component tray 13 are added in combination with fig. 1. The height adjusting device comprises an instrument main frame body 7, a height adjusting screw 12, a height adjusting bracket 11, a height adjusting screw rod 12 and a height adjusting screw rod, wherein the height adjusting screw rod 11 is arranged in the instrument main frame body 7, and the bottom of the height adjusting screw rod 11 is fixed at the bottom of the instrument main frame body. The height adjusting screw 12 is provided with a lower shock absorber fixing frame 14-1, the lower shock absorber fixing frame 14-1 is provided with a lower shock absorber fixing pin 15-1, the lower part of the mechanical sensor 9 is connected with an upper shock absorber fixing frame 14-2, the upper shock absorber fixing frame 14-2 is provided with an upper shock absorber fixing pin 15-2, and two ends of the measured part 100 are respectively fixed on the lower shock absorber fixing frame 14-1 and the upper shock absorber fixing frame 14-2 through the lower shock absorber fixing pin 15-1 and the upper shock absorber fixing pin 15-2. The height adjusting screw 12 is an external thread, and the height increasing bracket 11 and the elastic component tray 13 are provided with internal threads matched with the height increasing bracket.

In this embodiment, the following tools are required to be added and executed when the shock absorber is measured:

(1) The height-adjusting screw 12 of the height-adjusting bracket 11, the lower damper fixing frame 14-1 and the upper damper fixing frame 14-2, the lower damper fixing pin 15-1 and the upper damper fixing pin 15-2.

(2) The height-adjusting screw 12 is externally threaded as a whole by screwing the height-adjusting bracket 11 to the instrument body frame 7, and the height-adjusting bracket 11 and the lower damper mount 14-1 and the upper damper mount 14-2 are internally threaded to be mated therewith. When the height adjusting screw 12 is rotated, the lower damper fixing frame 14-1 can be adjusted in height, so that the device can measure dampers of different specifications.

Referring to fig. 4, a schematic structural diagram of a linear actuator according to an embodiment of the present utility model is shown, where the linear actuator 4 includes a main body 4-1 and a moving rod 4-2, the main body 4-1 is fixed on the main frame 6 of the apparatus, and the moving rod 4-2 can perform linear telescopic motion relative to the main body 4-1.

Fig. 5 is a schematic structural diagram of a displacement scale according to an embodiment of the present utility model, where the displacement scale 5 includes a scale 5-1 and a digital display pointer 5-2, one end of the scale 5-1 is fixed on a transverse fixing strip disposed on one side of an upper frame of the apparatus, and the other end of the scale is fixed on the bottom of the upper frame of the apparatus, and the digital display pointer 5-2 and the scale 5-1 can perform relative linear motion to display a position value.

Referring to fig. 6, a schematic structural diagram of a mechanical sensor in an embodiment of the present utility model is shown, where the mechanical sensor 9 includes a sensor cylinder 9-1 and a pressure measuring head 9-2, the sensor cylinder 9-1 is a fixed end and is fixed on the main frame 6 of the apparatus, and the pressure measuring head 9-2 contacts the surface of the part 100 to be measured to collect pressure test data.

According to the utility model, the elastic component is subjected to deformation pressure test through linkage of the linear actuator, the displacement scale, the guide rod and the mechanical sensor, so that the rigidity value of the elastic component is determined; meanwhile, according to the type and structure of the elastic measured part, the height-increasing support, the height-adjusting screw, the elastic component tray and/or the height-increasing support are/is selectively increased, the height-adjusting screw, the shock absorber fixing pin and the shock absorber fixing support are/is used for fixing and adjusting the height of the corresponding elastic measured part, so that rigidity measurement of various measured elastic parts is carried out. The rigidity tester can measure the rigidity of various elastic parts, has wide application range, meets the requirement of measuring various elastic parts, and is simple and convenient to operate.

The embodiments described above are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

In this specification, the utility model has been described with reference to specific embodiments thereof. It will be apparent, however, that various modifications and changes may be made without departing from the spirit and scope of the utility model. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims (10)

1. The rigidity tester is characterized by comprising a display screen (2), a linear actuator (4), a displacement scale (5), an instrument main body frame (7) and a mechanical sensor (9); wherein, the liquid crystal display device comprises a liquid crystal display device,

the instrument main body frame (7) comprises an instrument upper frame body and an instrument lower frame body;

the main body of the linear actuator (4) is fixed to the upper frame of the instrument, the displacement scale (5) is fixed to the upper frame of the instrument, and the digital display pointer of the displacement scale is fixedly connected with the moving rod of the linear actuator;

the mechanical sensor (9) is arranged at the upper part of the inner part of the lower frame of the instrument, is fixedly connected with a moving rod of the linear actuator (4), and is used for testing the rigidity of the tested part (100) in the lower frame of the instrument;

the display screen is used for displaying detection data of the mechanical sensor.

2. The rigidity tester according to claim 1, wherein a height-increasing bracket (11) is provided in the lower instrument frame body of the instrument main body frame (7), the bottom of the height-increasing bracket (11) is fixed at the bottom of the lower instrument frame body, and a height-adjusting screw (12) is provided on the height-increasing bracket (11).

3. The rigidity tester according to claim 2, wherein an elastic component tray (13) is provided on the height adjusting screw (12), and the elastic component tray (13) is used for carrying the part (100) to be tested.

4. The rigidity tester according to claim 2, wherein a lower damper fixing frame (14-1) is arranged on the height adjusting screw (12), a lower damper fixing pin (15-1) is arranged on the lower damper fixing frame (14-1), an upper damper fixing frame (14-2) is arranged below the mechanical sensor (9) in a connecting manner, an upper damper fixing pin (15-2) is arranged on the upper damper fixing frame (14-2), and two ends of the part (100) to be tested are respectively fixed on the lower damper fixing frame (14-1) and the upper damper fixing frame (14-2) through the lower damper fixing pin (15-1) and the upper damper fixing pin (15-2).

5. A rigidity tester according to claim 3, wherein the height adjusting screw (12) is an external screw thread, and the height increasing bracket (11) and the elastic component tray (13) have internal screw threads mating therewith.

6. The stiffness tester according to claim 1, further comprising a scram switch (3) and an electric cabinet (1) controlling the linear actuator, the scram switch (3) stopping the linear actuator through the electric cabinet (1).

7. The stiffness tester according to claim 1, further comprising a lifting hand (8) provided on both sides of the instrument lower frame of the instrument main body frame (7).

8. The stiffness tester according to claim 1, further comprising a guide rod (6), one end of the guide rod (6) being fixed to the moving end of the linear actuator, and the other end being fixed to the bottom of the upper frame of the instrument.

9. The rigidity tester according to claim 1, wherein the displacement scale (5) comprises a scale (5-1) and a digital display pointer (5-2), one end of the scale (5-1) is fixed on a transverse fixing strip arranged on one side of the upper frame of the instrument, the other end of the scale is fixed at the bottom of the upper frame of the instrument, and the digital display pointer (5-2) and the scale (5-1) can perform relative linear motion to display position values.

10. The stiffness tester according to claim 1, wherein the mechanical sensor (9) comprises a sensor cylinder (9-1) and a pressure measuring head (9-2), the sensor cylinder (9-1) is a fixed end and is fixed on the instrument main body frame (7), and the pressure measuring head (9-2) contacts the surface of the part (100) to be tested to collect pressure test data.

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