CN111879245B - Automatic precision measuring device for vehicle part product - Google Patents

Abstract

The invention discloses an automatic precision measuring device for vehicle parts products, which comprises a base, side pillars are fixedly welded on both sides of the base, and cross beams are arranged on the two side pillars that can be lifted up and down, and two sides of the cross beam are The lower surface of the end is fixedly connected with a side electric telescopic rod for driving, the lower driving cylinder part of the side electric telescopic rod is fixedly connected with the side of the side column, and the lower surface of the beam is fixed and welded with a detector on both sides. , and a horizontal electric telescopic rod is fixed on the inner side of the detection machine, and the telescopic end of the horizontal electric telescopic rod is connected with a moving frame sleeved on the horizontal sliding rod. Then, the infrared distance sensor emits infrared rays to the reflector on the inner side of the detection head, and accurately measures the distance through reflection, and then calculates the moving distance of the two detection heads through a preset program. Compare the diameter parameters and calculate the exact wear value.

Description

Automatic precision measuring device for vehicle parts products

technical field

The invention belongs to the technical field of automobile parts detection, and in particular relates to an automatic precision measuring device for vehicle parts and components.

Background technique

Car tires are one of the important parts of the car. They are in direct contact with the road surface, and together with the car suspension, they can alleviate the impact of the car while driving, so as to ensure the car has good ride comfort and ride comfort; Good adhesion; improve the traction, braking and passability of the car; bear the weight of the car, the important role of the tire on the car is more and more people's attention.

Among them, the tire wear degree detection in the repair shop generally depends on the tire line. The original tire wear degree is of great significance to the evaluation of the car. Not only that, tire wear detection has more aspects of research, including testing the performance of tires, This requires a very accurate tire wear measurement device to measure.

The present invention has been made in view of this.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an automatic precision measuring device for vehicle parts products.

In order to solve the above-mentioned technical problems, the present invention adopts the technical scheme as follows:

An automatic precision measuring device for vehicle parts products, comprising a base, side pillars are fixedly welded on both sides of the base, and cross beams are arranged on the two side pillars to be lifted and lowered, and the lower surfaces of both ends of the cross beam are fixedly connected There is a side electric telescopic rod for driving. The lower driving cylinder part of the side electric telescopic rod is fixedly connected to the side of the side column. The lower surface of the beam is fixedly welded with a detection machine on both sides, and the detection machine is fixed on both sides. A horizontal electric telescopic rod is fixed on the inner side, the telescopic end of the horizontal electric telescopic rod is connected with the moving frame set on the horizontal sliding rod, and the detection machine and the detection head are also electrically connected by wires, and the inner part of the detection head is electrically connected. A pressure sensor is arranged on the side, an infrared distance sensor is also arranged on the inner side of the detection machine, and a reflection plate matched with the infrared distance sensor is arranged on the back side of the detection head.

The tire positioning mechanism includes a concave frame fixed vertically on the front side of the base, and a cross rail is rotatably hinged in the concave opening of the concave frame, the cross center of the cross rail is provided with a fixed block, and the ring of the fixed block is The four surfaces are connected with tire fixing rods slidably arranged on the cross rails through telescopic struts, and a turning drive mechanism is also arranged below the cross rails.

The overturning drive mechanism includes a diagonal strut, two ends of the diagonal strut are hinged on the lower surface of the front side of the cross rail and the upper surface of the base respectively, and the diagonal strut is in an inclined state.

The front side of the concave frame is also provided with an upper tire platform, and the two measuring surfaces of the upper tire platform are oblique broken surfaces.

The moving frame includes two sliding sleeves, and a through hole sleeved on the surface of the horizontal sliding rod is opened in the middle of the sliding sleeve, and a plurality of pulleys are arranged in the through hole, and the wheel surface of the pulley and the surface of the horizontal sliding rod are rolled. fit.

The horizontal slide bar is arranged in the shape of a rectangular strip, and there are four pulleys, and the wheel surfaces of the four pulleys are respectively rolled and fit on the four sides of the horizontal slide bar.

After adopting the above technical solution, the present invention has the following obvious outstanding substantive features and significant technical progress compared with the prior art.

When testing the tire diameter, the tire can be placed flat in the tire positioning structure under the beam, so that one of the diameters of the tire can be on the same line with the two detection heads, and the detection machines on both sides control the horizontal electric expansion and contraction. The rod drives the moving frame to move to the middle until it touches the tire surface, the pressure sensor on the inner side of the detection head senses the contact with the tire surface, transmits the signal to the detection head, stops moving, and then the infrared distance sensor transmits infrared rays to detect The reflector on the inner side of the head accurately measures the distance through reflection, and then calculates the movement distance of the two detection heads through a preset program, and calculates the accurate wear value by comparing the measured diameter with the factory diameter parameters.

Description of drawings

The accompanying drawings are used as a part of the present application to provide a further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is an enlarged view of a partial structure at A in FIG. 1 .

In the picture: 1-base; 2-side column; 3-beam; 4-side electric telescopic rod; 5-detector; 6-horizontal sliding rod; 7-mobile frame; 8-detection head; 9-concave 10-cross rail; 11-tire fixing rod; 12- telescopic strut; 13- diagonal strut; 14- upper tire platform; 51- infrared distance sensor.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

In order to make the objectives, technical solutions and advantages of the preferred embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention. invention, but not intended to limit the scope of the invention.

Example 1:

Referring to FIG. 1 , an automatic precision measuring device for vehicle parts and components includes a base 1 , a side post 2 is fixedly welded on both sides of the base 1 , and a liftable cross beam 3 is arranged on the two side posts 2 , and the lower surfaces of both ends of the beam 3 are fixedly connected with side electric telescopic rods 4 for driving, and the lower driving cylinder part of the side electric telescopic rod 4 is fixedly connected with the side of the side column 2, and the side of the beam 3 is fixedly connected. A detector 5 is fixedly welded on both sides of the lower surface, and a horizontal electric telescopic rod is fixed on the inner side of the two detectors 5, and the telescopic end of the horizontal electric telescopic rod is sleeved on a horizontal level parallel to the beam. A moving frame 7 on the slide bar 6 is connected, and the detection machine 5 is also electrically connected with a detection head 8 installed on the moving frame 7 through a wire. The inner side of the detection head 8 is provided with a pressure sensor, so The inner side of the detection machine 5 is also provided with an infrared distance sensor 51 , and the back side of the detection head 8 is provided with a reflector matched with the infrared distance sensor 51 , and there is a tire positioning mechanism under the beam 3 .

Embodiment 2:

This embodiment is basically the same as the first embodiment, and the special features are as follows:

The tire positioning mechanism includes a concave frame 9 fixed vertically on the front side of the base 1, and a cross rail 10 is rotatably hinged in the concave opening of the concave frame 9, and the cross center of the cross rail 10 is provided with a cross rail 10. The fixed block is connected to a tire fixing rod 11 slidably arranged on the cross rail 10 through a telescopic support rod 12 on the surrounding four surfaces of the fixed block.

The overturning drive mechanism includes a retractable diagonal strut 13, two ends of the diagonal strut 13 are hinged on the lower surface of the front side of the cross rail 10 and the upper surface of the base 1 respectively, and the diagonal strut 13 is in an inclined state. .

The front side of the concave frame 9 is also provided with an upper tire platform 14, and the two sides of the upper tire platform 14 are oblique broken surfaces.

The moving frame 7 includes two sliding sleeves, and a through hole sleeved on the surface of the horizontal sliding rod 6 is opened in the middle of the sliding sleeve, and a number of pulleys are arranged in the through hole, and the wheel surface of the pulley is connected to the horizontal sliding rod 6 . surface rolling fit.

The horizontal slide bar 6 is arranged in the shape of a rectangular strip, and is provided with four pulleys, and the wheel surfaces of the four pulleys are respectively rolled and fit with the four sides of the horizontal slide bar 6 .

Embodiment three:

This embodiment is basically the same as the first embodiment, and the special features are as follows:

As shown in FIG. 1 to FIG. 2 , the base 1 is included. Side pillars 2 are fixedly welded on both sides of the base 1 , and the two side pillars 2 are provided with cross beams 3 that can be lifted up and down, and the lower surfaces of both ends of the cross beam 3 The side electric telescopic rod 4 for driving is fixedly connected, the lower driving cylinder part of the side electric telescopic rod 4 is fixedly connected with the side of the side column 2, and the lower surface of the beam 3 is fixedly welded with a detector 5 on both sides, and The inner side of the detection machine 5 is fixed with a horizontal electric telescopic rod, and the telescopic end of the horizontal electric telescopic rod is connected with the moving frame 7 sleeved on the horizontal sliding rod 6, and the detection machine 5 and the detection head 8 are also electrically connected by wires. connected, the inner side of the detection head 8 is provided with a pressure sensor, the inner side of the detection machine 5 is also provided with an infrared distance sensor 51, and the back side of the detection head 8 is provided with a reflector that is matched with the infrared distance sensor 51. When the tire diameter is detected, the tire can be placed flat in the tire positioning mechanism under the beam 3, so that one of the diameters of the tire can be on the same line with the two detection heads 8, and the detection machines 5 on both sides control the level. The electric telescopic rod drives the moving frame 7 to move to the middle until it touches the tire surface, the pressure sensor on the inner side of the detection head 8 senses the contact with the tire surface, transmits the signal to the detection head 8, stops moving, and then the infrared distance sensor By emitting infrared rays to the reflection plate on the inner side of the detection head 8, the reflection plate is not shown in the figure, and the distance is accurately measured by reflection, and then the moving distance of the two detection heads 8 is calculated through a preset program. The diameter is compared with the factory diameter parameters, and the accurate wear value is calculated. The two detection heads 8 are connected with the operating computer through lines, which are conventional means in the prior art, so they will not be described in the drawings and in this description.

The tire positioning structure includes a concave frame 9 that is vertically fixed on the front side of the base 1, and a cross rail 10 is rotatably hinged in the concave opening of the concave frame 9. The cross center of the cross rail 10 is provided with a fixed block, and the fixed block is The four surfaces of the ring are connected to the tire fixing rods 11 slidably arranged on the cross rail 10 through the telescopic support rod 12. First, each tire fixing rod 11 is located in the middle and close to each other, and the tires are placed on the cross rail 10. The tire fixing rods 11 are located in the inner ring of the tire, and then each tire fixing rod 11 expands synchronously and at a constant speed outward, and the tire is accurately positioned under the beam. The same moving distance of each tire fixing rod is in accordance with the tire inner ring specification. It is set that a turning drive mechanism is also arranged below the cross rail 10. In order to facilitate the removal of the tire after testing, the cross rail 10 is slowly turned over so that the original upper surface is vertical, so it can be easily removed.

The overturning drive mechanism includes a diagonal strut 13, two ends of which are hinged on the lower surface of the front side of the cross rail 10 and the upper surface of the base 1 respectively, and the diagonal strut 13 is in an inclined state, and the contraction of the diagonal strut 13 can The inversion of the cross rail 10 is realized, and the structure is simple and reasonable.

In order to make it easy to place the tire on the cross rail 10 or remove it for removal, an upper tire platform 14 is also provided on the front side of the concave frame 9, and the two sides of the upper tire platform 14 are inclined broken surfaces, which is convenient for rolling the tire onto the platform. , or roll off the table.

The moving frame 7 includes two sliding sleeves, and a through hole sleeved on the surface of the horizontal sliding rod 6 is opened in the middle of the sliding sleeve, and a number of pulleys are arranged in the through hole, and the wheel surface of the pulley is rolled and attached to the surface of the horizontal sliding rod 6. Combined, friction loss during movement can be reduced.

Further, the horizontal sliding bar 6 is arranged in the shape of a rectangular strip, and there are four pulleys, and the wheel surfaces of the four pulleys are rolled and fit on the four sides of the horizontal sliding bar 6 respectively.

From the above embodiments, it can be seen that the present invention discloses an automatic precision measuring device for vehicle parts and components, which includes a base, and side posts are fixedly welded on both sides of the base, and two side posts can be lifted and lowered. A beam, and the lower surfaces of both ends of the beam are fixedly connected with side electric telescopic rods for driving, and the lower driving cylinder part of the side electric telescopic rod is fixedly connected to the side of the side column, and the lower surface of the beam is on both sides. A detection machine is fixedly welded, and a horizontal electric telescopic rod is fixed on the inner side of the detection machine, and the telescopic end of the horizontal electric telescopic rod is connected with a mobile frame sleeved on the horizontal sliding rod. Then the infrared distance sensor transmits infrared rays to the reflector on the inner side of the detection head, and accurately measures the distance through reflection, and then calculates the moving distance of the two detection heads through a preset program. Compare the diameter parameters and calculate the exact wear value.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (5)

1. An automatic precision measuring device for vehicle parts and components, comprising a base (1), characterized in that a side post (2) is fixedly welded on both sides of the base (1), and two side posts are welded. (2) A liftable cross beam (3) is provided on the cross beam (3), and the lower surfaces of both ends of the cross beam (3) are fixedly connected with side electric telescopic rods (4) for driving. The lower driving cylinder part is fixedly connected with the side surface of the side column (2), a detection machine (5) is fixedly welded on both sides of the lower surface of the beam (3), and the inner sides of the two detection machines (5) are fixedly welded. Each is fixed with a horizontal electric telescopic rod, the telescopic end of the horizontal electric telescopic rod is connected with a moving frame (7) set on a horizontal sliding rod (6) parallel to the beam (3), and the detection machine ( 5) It is also electrically connected to a detection head (8) installed on the moving frame (7) through a wire, the inner side of the detection head (8) is provided with a pressure sensor, and the inner surface of the detection machine (5) is provided with a pressure sensor. The side is also provided with an infrared distance sensor (51), and the back side of the detection head (8) is provided with a reflector that is matched and installed with the infrared distance sensor (51), and a tire positioning mechanism ( 100); the tire positioning mechanism (100) includes a concave frame (9) vertically fixed on the front side of the base (1), and a cross rail (9) is rotatably hinged in the concave opening of the concave frame (9). 10), a fixed block is provided in the center of the cross of the cross rail (10), and the surrounding four surfaces of the fixed block are each connected with a telescopic support rod (12) that is slidably arranged on the cross rail (10). A tire fixing rod (11), and a turning drive mechanism is also arranged below the cross rail (10). 2 . The automatic precision measuring device for vehicle parts and components according to claim 1 , wherein the overturning drive mechanism comprises a retractable diagonal strut ( 13 ), and two ends of the diagonal strut ( 13 ) are respectively It is hinged on the lower surface of the front side of the cross rail (10) and the upper surface of the base (1), and the diagonal strut (13) is in an inclined state. 3. The automatic precision measuring device for vehicle parts and components according to claim 1, characterized in that, an upper tire platform (14) is further provided on the front side of the concave frame (9), and the upper tire platform (14) is two The side is sloping. 4. The automatic precision measuring device of a vehicle parts product according to claim 1, characterized in that, the moving frame (7) comprises two sliding sleeves, and the middle of the sliding sleeves is provided with a horizontal sliding rod (6). ) surface through holes, and a plurality of pulleys are arranged in the through holes, and the wheel surfaces of the pulleys are in rolling contact with the surface of the horizontal sliding rod (6). 5. The automatic precision measuring device for vehicle parts and components according to claim 4, wherein the horizontal slide bar (6) is arranged in a rectangular strip shape, and is provided with four pulleys, and the wheel surfaces of the four pulleys are respectively The four sides of the horizontal slide bar (6) are rolled and fitted.

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