CN223940178U - Chassis height measuring device - Google Patents

Abstract

This utility model discloses a chassis height measuring device, relating to the field of automotive manufacturing technology. The chassis height measuring device includes a base, a lifting assembly, a positioning assembly, and a detection component. The lifting assembly is mounted on the base; the positioning assembly is movably mounted on the lifting assembly and is used to detect the lowest point of the object being measured; the detection component is located on one side of the lifting assembly and is used to detect the height of the positioning assembly on the lifting assembly. The technical solution of this utility model places both the base and the object being measured on a supporting surface. The lowest point of the object is found by moving the positioning assembly up and down on the lifting assembly. Once the lowest point of the object is determined, the distance from the lowest point of the object to the supporting surface can be directly obtained through the detection component. This eliminates the need for the measurer to lie down and avoids direct contact with the object being measured, reducing the risk of damage.

Description

Chassis height measuring device

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to a chassis height measuring device.

Background

In the manufacturing process of the vehicle, one index is to measure the lowest ground clearance of the vehicle, namely whether the distance between the lowest point of the chassis and the supporting plane meets the GB requirement when the vehicle is fully loaded and stationary.

In the prior art, a main stream automobile manufacturer corresponds to a minimum ground clearance measuring method, mainly performs double operation measurement, one person lies down on the ground to find the lowest point of the lower part of the chassis of the vehicle, then uses a needle gauge to measure the position of the lowest point, and the other person performs data reading and recording. The measurer can lie down for a long time, which is easy to cause lumbar muscle strain, the body (head and arm) is contacted with the vehicle, which is easy to cause injury, the needle gauge angle is sharp, and the risk of injury to the chassis part of the vehicle is easy to be caused during movement.

Disclosure of utility model

The utility model mainly aims to provide a chassis height measuring device, and aims to solve the technical problems that in the prior art, when the lowest ground clearance of a vehicle is measured, the labor intensity of measuring staff is high, and a measuring jig is easy to damage the vehicle.

In order to achieve the above object, the chassis height measuring apparatus according to the present utility model includes:

a base;

The lifting assembly is arranged on the base;

The positioning component is movably arranged on the lifting component and is used for detecting the lowest point of the object to be detected;

The detection piece is arranged on one side of the lifting assembly and is used for detecting the height of the positioning assembly on the lifting assembly.

In one embodiment, the positioning assembly comprises:

The laser instrument can be arranged on the lifting assembly in a lifting manner;

The light measuring plate is arranged on one side of the base, so that a detection area for accommodating an object to be measured is formed between the laser instrument and the light measuring plate, and the detection direction of the laser instrument faces the light measuring plate.

In one embodiment, the laser is used for emitting linear laser light extending along a direction parallel to the horizontal direction, and the photometry plate is used for receiving and displaying the linear laser light of the laser;

And driving the laser instrument to move upwards along the lowest point of the lifting assembly until one or more break points are formed on the linear laser on the photometry plate, and determining that the laser instrument is flush with the lowest point of the object to be measured.

In one embodiment, the lifting assembly comprises:

The fixing piece is arranged on the base;

The bottom of the internal threaded rod is rotatably arranged on the fixing piece, and the top of the internal threaded rod extends to one side deviating from the base;

The sliding table frame is arranged on the internal threaded rod, and the positioning component is arranged on the sliding table frame

The driving piece is arranged at the top of the internal threaded rod to drive the internal threaded rod to rotate.

In one embodiment, the driving member is a hand rocker.

In one embodiment, the skid is provided in an "L" shape.

In one embodiment, the base and the fixing member are integrally formed.

In one embodiment, the lifting assembly further comprises a driving motor, and a driving shaft of the driving motor is connected with the top of the internal threaded rod.

In an embodiment, the detecting member is a graduated scale, and the graduated scale is closely attached to the internal threaded rod.

In one embodiment, the lifting assembly further comprises a protective cover, and the protective cover is sleeved on the internal threaded rod.

According to the technical scheme, the base and the object to be detected are placed on the supporting surface, and the lowest point of the object to be detected is found by means of moving the positioning assembly up and down on the lifting assembly. After the lowest point of the object to be detected is determined, the distance from the lowest point of the object to be detected to the supporting surface can be directly obtained through the detection piece. Need not the measurer and groveling down, avoid simultaneously with the thing direct contact that awaits measuring, reduce the damage risk.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a chassis height measurement apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a chassis height measurement device according to the present utility model;

FIG. 3 is a schematic diagram of a test result in the chassis height measurement apparatus according to the present utility model;

Fig. 4 is a schematic diagram of another test result in the chassis height measurement device provided by the utility model.

Reference numerals illustrate:

10. 20 parts of a base, 20 parts of a lifting assembly, 21 parts of a fixing piece, 22 parts of an internal threaded rod, 23 parts of a sliding table frame, 24 parts of a driving piece, 25 parts of a protective cover, 30 parts of a positioning assembly, 31 parts of a laser instrument, 32 parts of a light measuring plate.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present utility model), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a chassis height measuring device.

Referring to fig. 1, in an embodiment of the utility model, the chassis height measuring device includes a base 10, a lifting assembly 20, a positioning assembly 30 and a detecting member, wherein the lifting assembly 20 is disposed on the base 10, the positioning assembly 30 is movably disposed on the lifting assembly 20, the positioning assembly 30 is used for detecting a lowest point of an object to be measured, the detecting member is disposed on one side of the lifting assembly 20, and the detecting member is used for detecting a height of the positioning assembly 30 on the lifting assembly 20.

In this embodiment, the base 10 may be a flat plate structure, and the area of the base 10 may be increased as required by placing the base 10 on the supporting surface to provide support.

The lifting assembly 20 is vertically arranged on the base 10, and the positioning assembly 30 is driven to move up and down on the lifting assembly 20 so as to find the lowest point position on the object to be detected. In this embodiment, taking an object to be measured as an automobile as an example, specifically, the positioning assembly 30 is moved to an initial position, and the initial position of the positioning assembly 30 is the bottommost part of the lifting assembly 20. After moving to the initial position, the positioning assembly 30 is driven to slowly move upwards along the lifting assembly 20 until the positioning assembly is flush with the lowest point of the object to be detected.

It should be noted that, in order to determine whether the positioning assembly 30 is flush with the lowest point of the object to be measured, the plate-shaped contact member may be installed on the positioning assembly 30, and the contact member may be inserted into the bottom of the object to be measured and connected with the positioning assembly 30 before measurement, so that the positioning assembly 30 drives the contact member to rise when rising, and the device touches the lowest point of the object to be measured. Alternatively, the positioning assembly 30 may be directly detected by a laser 31, or by laser light.

After determining the lowest point of the object to be measured, the distance between the supporting surface and the lowest point on the object to be measured is indirectly obtained by measuring the distance between the positioning component 30 and the supporting surface through the detecting component.

In this embodiment, the detecting member may be a scale, and the scale is tightly attached to one side of the lifting assembly 20, so as to facilitate the reading of the field personnel. And an electronic ruler can be adopted, automatic identification can be realized through the stroke size, and the degree of automation is further improved.

According to the technical scheme of the utility model, the base 10 and the object to be detected are both placed on the supporting surface, and the lowest point of the object to be detected is found by moving the positioning assembly 30 up and down on the lifting assembly 20. After the lowest point of the object to be detected is determined, the distance from the lowest point of the object to be detected to the supporting surface can be directly obtained through the detection piece. Need not the measurer and groveling down, avoid simultaneously with the thing direct contact that awaits measuring, reduce the damage risk.

As another embodiment, the positioning assembly 30 in this embodiment employs a laser 31. Referring to fig. 2, specifically, the positioning assembly 30 includes a laser 31 and a light measuring plate 32, the laser 31 is disposed on the lifting assembly 20 in a lifting manner, the light measuring plate 32 is disposed on one side of the base 10, so as to form a detection area between the laser 31 and the light measuring plate 32 for accommodating an object to be detected, and a detection direction of the laser 31 faces the light measuring plate 32.

At the time of measurement, the laser 31 is moved to the left side of the object to be measured, and the photometry plate 32 is placed on the right side of the object to be measured. After the laser 31 is turned on, referring to fig. 3, the laser 31 is configured to emit a linear laser beam extending parallel to the horizontal direction, and the linear laser beam emitted by the laser 31 irradiates the opposite light measuring plate 32.

When the laser 31 reaches the position flush with the lowest point of the object to be measured, referring to fig. 4, the linear laser is blocked by the lowest point, so that a break point is generated in a certain part of the linear laser on the opposite light measuring plate 32.

Therefore, when the linear laser on the light measuring plate 32 generates a break point, it can be determined that the laser 31 is flush with the lowest point position on the object to be measured.

It will be appreciated that the object may have a plurality of nadir points at the same height, so that when one or more break points are generated on the linear laser, the laser 31 is flush with the nadir point of the object.

In another embodiment, the lifting assembly 20 includes a fixing member 21, an internal threaded rod 22, a sliding table frame 23 and a driving member 24, wherein the fixing member 21 is disposed on the base 10, the bottom of the internal threaded rod 22 is rotatably disposed on the fixing member 21, the top of the internal threaded rod 22 extends to a side away from the base 10, the sliding table frame 23 is disposed on the internal threaded rod 22, the positioning assembly 30 is disposed on the sliding table frame 23, and the driving member 24 is disposed on the top of the internal threaded rod 22 to drive the internal threaded rod 22 to rotate.

The fixing piece 21 and the base 10 can be integrally formed, so that overall stability is improved.

The fixing member 21 has a through hole, and the internal threaded rod 22 is inserted into the through hole of the fixing member 21 so that the internal threaded rod 22 can rotate in the fixing member 21. The top of the internal threaded rod 22 extends vertically upward. A driving member 24 is provided at the top of the internal threaded rod 22, and the internal threaded rod 22 is rotated by the driving member 24. The internal thread rod 22 can convert a rotational motion into a linear motion of the slide table frame 23 during rotation. Thereby driving the slide block 23 to move in the extending direction of the internal threaded rod 22.

The sliding rack 23 adopts an L-shaped arrangement, wherein one side wall is fixedly connected with the internal threaded rod 22, and the other side wall is used for placing the laser instrument 31 so as to ensure the stability of the laser instrument 31 in the lifting and moving process along with the sliding rack 23.

As an implementation of this embodiment, the driving member 24 may be a hand lever, such as a circular hand lever, and the operator may manually rotate the hand lever to rotate the internal threaded rod 22. As another implementation of this embodiment, the driving member 24 may also adopt a driving motor, and connect a driving shaft of the driving motor with the internal threaded rod 22, so that remote control can be implemented by using a controller, and accurate control of the stroke can be implemented by controlling the driving motor, so as to improve the measurement result.

In addition, as another implementation manner of the embodiment, two driving modes can be reserved at the same time, namely, when the driving motor cannot be used normally, an operator can also manually measure through the hand lever, so that compatibility is improved.

As another embodiment, the lifting assembly 20 further includes a protecting cover 25, and the protecting cover 25 is sleeved on the internal threaded rod 22. The protection cover 25 is cylindrical, the inside is hollow structure, and the protection cover 25 is used for the cover to establish on the internal thread pole 22 to play the guard action to the threaded rod, avoid dust spot erosion, influence measurement accuracy.

The foregoing description is only exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A chassis height measuring device, characterized in that the chassis height measuring device comprises: Base; A lifting assembly, wherein the lifting assembly is mounted on the base; A positioning component is movably mounted on the lifting component, and the positioning component is used to detect the lowest point of the object to be measured. A detection element is disposed on one side of the lifting assembly, and the detection element is used to detect the height of the positioning assembly on the lifting assembly. 2. The chassis height measuring device as described in claim 1, wherein the positioning component comprises: A laser device, wherein the laser device is vertically and vertically mounted on the lifting assembly; A light meter plate is disposed on one side of the base to form a detection area for accommodating the object to be tested between the laser and the light meter plate, wherein the detection direction of the laser is toward the light meter plate. 3. The chassis height measuring device as described in claim 2, wherein the laser instrument is used to emit a straight laser beam extending parallel to the horizontal direction, and the photometer plate is used to receive and display the straight laser beam emitted by the laser instrument; Specifically, the laser is driven to move upward along the lowest point of the lifting assembly until one or more breakpoints are formed on the straight laser on the photometer plate, thus determining that the laser is level with the lowest point of the object being measured. 4. The chassis height measuring device as described in claim 1, wherein the lifting assembly comprises: The fastener is disposed on the base; An internally threaded rod, the bottom of which is rotatably mounted on the fixing member, and the top of which extends toward the side opposite to the base; A slide frame, wherein the slide frame is mounted on the internally threaded rod, and the positioning assembly is mounted on the slide frame; A drive element is disposed at the top of the internally threaded rod to drive the internally threaded rod to rotate. 5. The chassis height measuring device as described in claim 4, wherein the driving component is a hand crank. 6. The chassis height measuring device as described in claim 4, wherein the slide frame is arranged in an "L" shape. 7. The chassis height measuring device as described in claim 4, wherein the base and the fixing member are integrally formed. 8. The chassis height measuring device as described in claim 4, wherein the lifting assembly further includes a drive motor, and the drive shaft of the drive motor is connected to the top of the internal threaded rod. 9. The chassis height measuring device as described in claim 4, wherein the measuring element is a scale, and the scale is tightly fitted to the internal threaded rod. 10. The chassis height measuring device as described in claim 4, wherein the lifting assembly further includes a protective cover, the protective cover being sleeved on the internal threaded rod.