CN110616932A - Vehicle tire fixture - Google Patents

Abstract

The invention discloses a vehicle tire clamping mechanism, which relates to the technical field of mechanical three-dimensional garages. The vehicle tire clamping mechanism comprises a linear drive device, a swing device and a base body; the linear drive device pushes the push plate of the swing device to make Linear reciprocating motion, arc-shaped thrust grooves are set on both sides of the push plate; the tire clamping arm of the swing device is hinged to the base, and a thrust column is arranged at one end relative to the hinge center point to cooperate with the arc-shaped thrust groove of the push plate; The arc-shaped thrust groove keeps the thrust arm in a large arc shape, pushes and pulls the thrust column on the clamping arm, drives the clamping arm hinged to the base to swing, and realizes the rotation and retraction of the tire clamping arm. The left and right push plates move oppositely or backwardly, driving the thrust groove to push the thrust column, so as to realize the clamping and opening of the vehicle tire.

Description

A vehicle tire clamping mechanism

technical field

The invention relates to a vehicle tire clamping mechanism, which is used in the field of mechanical three-dimensional garages.

Background technique

At present, the carrier in the three-dimensional garage, especially the clip-type car carrier, has a complex structure of the clamping arm, and guide columns are arranged on the upper and lower sides, and the thrust groove is mostly arranged in a straight line, and the sliding and swinging arc of the clamping arm is rigid and stable. Poor performance, low driving force efficiency, complex structure, and low reliability.

Contents of the invention

The technical problem to be solved by the present invention is to provide a vehicle tire clamping mechanism and a vehicle carrier composed of it, so as to solve the problems raised in the background technology.

In order to solve the above technical problems, specifically, the technical solution of the present invention is as follows:

A vehicle tire clamping mechanism, comprising a linear drive device, a swing device and a base;

Further, the swing device is composed of a push plate, an arc-shaped thrust groove, a thrust column, and a tire clamping arm; the arc-shaped thrust groove is arranged on both sides of the push plate, and the tire clamping arm is hinged to the The base body, the thrust column cooperates with the thrust groove of the push plate; the arc-shaped thrust groove is in the direction in which the thrust of the push plate to push the clamp arm is the largest to the force arm of the clamp arm rotation center during the movement to set and determine its arc.

Further, the linear drive device includes a linear power source and a linear sliding pair, the linear power source is a push rod, a motor and a screw, a motor and a chain, a motor and a synchronous belt, and a rack and pinion; the linear sliding pair One end is connected to the base body, and the other end is connected to the push plate; the push plate is connected to the linear power source, and the linear power source pushes the push plate to make a reciprocating linear motion along a linear sliding pair to drive an arc thrust The groove pushes the thrust column so that the tire clamping arm is driven around the hinge center to realize the rotation retraction and rotation of the tire clamping arm; the left and right coupling movement of the push plate pushes the clamping arm to realize the rotation of the vehicle tire Clamp and open.

Further, the linear drive device includes a linear power source and a linear sliding pair, the linear power source is a push rod, a motor and a screw, a motor and a chain, a motor and a synchronous belt, and a rack and pinion; the linear sliding pair One end is connected to the base body, and the other end is connected to the push plate; the push plate is connected to the linear power source, and the linear power source pushes the push plate to make a reciprocating linear motion along a linear sliding pair, driving the thrust column to push The arc-shaped thrust groove makes the tire clamping arm drive around the hinge center to realize the rotation retraction and rotation of the tire clamping arm; the left and right coupling movement of the push plate pushes the clamping arm to realize the rotation of the vehicle tire. Clamp and open.

Further, the tire clamping arm includes a clamping arm body, a thrust column and its auxiliary rollers.

Further, one end of the tire clamping arm is arranged with the thrust column relative to the hinge center point, and the thrust column and the tire clamping arm are arranged on both sides of the rotation center.

Adopting the above-mentioned technical scheme has the following technical effects:

1. Keep the clamping force constant during the opening and clamping process of the vehicle tire clamping arm, and has a simple structure, relatively low installation accuracy requirements, simple installation, and simple debugging;

2. Direct clamping, fast response, to realize the clamping and opening of vehicle tires, and improve the efficiency of vehicle handling.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic diagram of a retracted state of a vehicle tire clamping mechanism according to a specific embodiment;

Fig. 2 is a schematic diagram of the state when the tire clamping mechanism of a vehicle is opened at 45° in a specific embodiment;

Fig. 3 is a schematic diagram of a state in which a vehicle tire clamping mechanism is opened to 90° in a specific embodiment;

Fig. 4 is a schematic diagram of the retracted state of the vehicle tire clamping mechanism in the second embodiment;

Fig. 5 is a schematic diagram of the state when the vehicle tire clamping mechanism of the second embodiment is opened at 45°;

Fig. 6 is a schematic diagram of a state in which the vehicle tire clamping mechanism of the second embodiment is opened to 90°;

Among them, 101-linear driving device, 101a-linear motion pair, 101b-linear power source, 102-swing device, 102a-push plate, 102b-arc thrust groove, 102c-thrust column, 102d-tire clamping arm, 103 - Substrate.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be mutually arc-shaped as long as they do not constitute conflicts with each other.

Specific embodiment of the present invention one:

A vehicle tire clamping mechanism is composed of a linear drive device 101 , a swing device 102 and a base body 103 .

The swing device 102 is composed of a push plate 102a, an arc-shaped thrust groove 102b, a thrust column 102c, and a tire clamping arm 102d; the arc-shaped thrust groove 102b is arranged on both sides of the push plate 102a, and the tire clamping arm 102d Hinged to the base 103, one end of the tire clamping arm 102d is arranged with a thrust column 102c relative to the hinge center point, and the thrust column 102c and the clamping arm are respectively located on both sides of the rotation center; the thrust column cooperates with the thrust groove of the push plate 102a ; The arc-shaped thrust groove 102b is preferably set and determined according to the direction in which the thrust force of the push plate to push the clamping arm is the largest for the force arm of the clamping arm's rotation center during the movement process. In this way, the thrust groove and the thrust column always keep the direction of force tangent to the direction of movement during the movement, and can always maintain labor-saving movement, which can effectively reduce the power of the motor and improve the movement efficiency.

The linear drive device 101 includes a linear power source and a linear sliding pair. The linear power source can be selected as a push rod, a motor and a screw, a motor and a chain, a motor and a synchronous belt, and a rack and pinion. One end of pair 101a is connected with base body 103, and one end is connected with push plate 102a; Described push plate 102 is also connected with power source, and described power source pushes push plate to do reciprocating linear motion along linear motion pair 101a, drives arc-shaped thrust groove 102b to push The thrust column makes the clamping arm drive around the hinge center to realize the rotation and retraction of the tire clamping arm 102d; Open.

The tire clamping arm 102d includes a clamping arm body, a thrust column and its auxiliary roller; the clamping arm body is hinged to the base 103, and one end is provided with a thrust column relative to the hinge center point; the auxiliary roller is arranged on The clamping arms contact the tread side of the tire, and the rolling protects the tread.

As shown in Fig. 1, the vehicle tire clamping mechanism of the present invention performs a swing motion by a swing device 102 installed and fixed on a base body 103, and the swing device 102 is composed of a push plate 102a, an arc-shaped thrust groove 102b, a thrust column 102c, The tire clamping arm 102d is composed of; the arc-shaped thrust groove 102b is distributed on both sides of the push plate 102a, and the arc-shaped thrust groove 102b is preferably set and determined in the direction of the maximum thrust arm of the clamping arm 102d during the movement. The tire clamping arm 102d is hinged and fixed on the base 103, the thrust column 102c is arranged at one end of the tire clamping arm 102d relative to the hinge center point, and the thrust column is arranged at an obtuse angle to the rotation center of the tire clamping arm 102d to the clamping direction, and the The obtuse angle is preferably 115°, and the thrust column 102c cooperates with the arc-shaped thrust groove 102b of the push plate 102a.

As shown in Figures 1 to 3, the schematic diagram of the linear drive device 101 in the vehicle tire clamping mechanism of the present invention is installed and fixed on the left and right sides of the base 103, and the linear drive device 101 includes a linear power source 101b and a linear sliding pair 101a composition. The linear power source is preferably a push rod, a motor and a screw, a motor and a chain, a motor and a synchronous belt, a rack and pinion, etc. One end of the linear motion pair 101a in the linear drive device 101 is connected and fixed with the base 103 through a bearing seat, and one end is fixed by sliding The bearing seat is connected and fixed with the push plate 102a; the push plate 102a is connected with the linear power source 101b, and the power source 101b pushes the push plate 102a to make a reciprocating linear motion along the linear pair 101a, and drives the arc-shaped thrust groove 102b to push the thrust column 102c, so that the clamping arm 102d rotates around the hinge center to realize the rotation retraction and rotation of the tire clamping arm 102d; the left and right push plates 102a couple to and back to move, push the clamping arm 102d to retract and rotate out, and realize the clamping and opening of the vehicle tire.

As shown in Figures 2 to 3, they are the retracted state of the vehicle tire clamping mechanism, the state of opening 45°, and the state of fully opening 90°.

Specific embodiment two of the present invention:

As shown in Figure 4, a kind of vehicle tire clamping mechanism comprises linear drive device 101, swing device 102 and base body 103 and is made up; The swing device 102 that is installed and fixed on the base body 103 makes swing motion, swing device 102 It is composed of push plate 102a, arc-shaped thrust groove 102b, thrust column 102c, and tire clamping arm 102d; arc-shaped thrust groove 102b is set on tire clamping arm 102d, and arc-shaped thrust groove 102b is preferably used to clamp Arm 102d thrust arm maximum direction is set and arc; Thrust column is arranged on both sides of push plate, and thrust column is arranged at an obtuse angle to tire clamping arm 102d rotation center to clamping direction; Tire clamping arm 102d is hinged and fixed on On the base 103, the arc-shaped thrust groove 102b on the tire clamping arm 102d cooperates with the thrust column 102c of the push plate 102a.

As shown in Figures 4 to 6, the schematic diagram of the linear drive device 101 in the vehicle tire clamping mechanism of the present invention is installed and fixed on the left and right sides of the base 103, and the linear drive device 101 includes a linear power source 101b and a linear sliding pair 101a composition. The linear power source is preferably a push rod, a motor and a screw, a motor and a chain, a motor and a synchronous belt, a rack and pinion, etc. One end of the linear motion pair 101a in the linear drive device 101 is connected and fixed with the base 103 through a bearing seat, and one end is fixed by sliding The bearing seat is fixedly connected with the push plate 102a; the push plate 102a is connected with the power source 101b, and the power source 101b pushes the push plate 102a to make a reciprocating linear motion along the linear pair 101a, and drives the arc-shaped thrust groove 102b to push the thrust column 102c, so that the clamping arm 102d Rotate around the hinge center to realize the rotation retraction and rotation of the tire clamping arm 102d; the left and right push plates 102a couple to and back to move, push the clamping arm 102d to retract and rotate out, and realize the clamping and opening of the vehicle tire.

As shown in Figures 5-6, they are respectively the retracted state of the vehicle tire clamping mechanism, the state of opening 45°, and the state of fully opening 90°.

It can be seen that using the vehicle tire clamping structure requires relatively low installation accuracy, simple installation, and simple debugging; it can respond quickly, realize the clamping and opening of vehicle tires, and improve the efficiency of vehicle handling.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions and modifications to these embodiments still fall within the protection scope of the present invention.

Claims (5)

1. A vehicle tire clamping mechanism, comprising a linear drive device, a swing device and a base body. 2. A vehicle tire clamping mechanism according to claim 1, wherein the swing device is composed of a push plate, an arc-shaped thrust groove, a thrust column, and a tire clamping arm; the tire clamping arm Hinged to the base. 3 . The vehicle tire clamping mechanism according to claim 2 , wherein the arc-shaped thrust grooves are arranged on both sides of the push plate, and the thrust columns are arranged on the tire clamping arms. 4 . 4 . The vehicle tire clamping mechanism according to claim 2 , wherein the arc-shaped thrust groove is provided on the tire clamping arm, and the thrust columns are provided on both sides of the push plate. 5. A vehicle tire clamping mechanism according to claim 3 or 4, wherein the linear drive device comprises a linear power source and a linear sliding pair, one end of the linear sliding pair is connected to the base, One end is connected with the push plate; the push plate is connected with the linear power source.