1. The utility model provides a quick location installation mechanism of air suspension axle which characterized in that: the outer rectangular frame body is respectively connected with four corners of the inner rectangular frame body through four hoisting riggings, and a plurality of transverse positioning jackscrews are arranged on the outer rectangular frame body corresponding to two sides of the inner rectangular frame body; the three groups of positioning supports are arranged in the inner rectangular frame in parallel, and each group of positioning supports comprises an axle positioning seat and two suspension positioning seats positioned in front of the axle positioning seat.

2. The air suspension axle quick positioning installation mechanism of claim 1, wherein: the axle positioning seat is provided with a spiral lifter corresponding to each suspension positioning seat, the suspension positioning seats are installed at the top ends of the spiral lifters, and the spiral lifters are driven to lift by a servo motor.

3. The air suspension axle quick positioning installation mechanism of claim 2, wherein: the bottom of the inner rectangular frame body is provided with a horizontal supporting plate, the middle positioning support is fixed on the horizontal supporting plate, the bottoms of the positioning supports at two ends are respectively provided with wheels, the positioning supports at two ends are movably placed on the horizontal supporting plate, the middle positioning support is provided with a motor speed reducer set, a longitudinal ball screw is respectively arranged between the motor speed reducer set and the positioning supports at two ends, the motor speed reducer set drives the positioning supports at the end part to longitudinally move, and the two ends of the positioning supports at the end part extend to the inner walls of two frames of the inner rectangular frame body so as to control the movement direction.

4. The air suspension axle quick positioning installation mechanism of claim 3, wherein: the suspension positioning seat is characterized by further comprising a PLC control system, a wheel base infrared sensor and a height infrared sensor, wherein the wheel base infrared sensor is used for measuring the distance between the three groups of positioning supports, the height infrared sensor is used for measuring the height of the suspension positioning seat, the PLC control system controls the opening, closing and steering of the motor speed reducer unit according to the distance information of the positioning supports, and the PLC control system controls the opening, closing and steering of the servo motor according to the height information of the suspension positioning seat.

5. The air suspension axle quick positioning installation mechanism of claim 4, wherein: the industrial display touch screen is used for inputting instructions to the PLC control system and displaying spacing information of the positioning support and height information of the hanging positioning seat.

6. The air suspension axle quick positioning installation mechanism of claim 5, wherein: an emergency stop button is arranged on the control cabinet and is connected into power lines of the servo motor and the motor speed reducer set so as to control the on-off of the power supply.

7. The air suspension axle quick positioning installation mechanism according to any one of claims 1 to 6, characterized in that: two hub V-shaped clamping grooves are formed in the axle positioning seat.

8. The air suspension axle quick-positioning mounting mechanism of claim 7, wherein: the hoisting rigging comprises a lifting hook fixed on the outer rectangular frame body and a chain connected with the lifting hook and the inner rectangular frame body.

Background

With the implementation of the new national standard GB7258-2017 motor vehicle running safety technical condition, the traditional semitrailer distinguishes the age of plate spring suspension, and the semitrailer needs to be provided with air suspension from 1 month in 2020. Due to the special working mechanism of the air suspension, the air suspension has high requirements on assembly precision, the positioning tolerance is generally within +/-1 mm, the assembly process is more complex, the existing air suspension of the semitrailer is generally installed and debugged manually, time and labor are wasted, the requirement on professional literacy of installers by a new process is high, the production cost is high, and the production efficiency is low.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides the quick positioning and mounting mechanism for the air suspension axle, which has the advantages of scientific design, simplicity and convenience in operation, accurate positioning, time saving and labor saving.

In order to achieve the purpose, the invention adopts the technical scheme that: a quick positioning and mounting mechanism for an air suspension axle comprises an outer rectangular frame body, an inner rectangular frame body and three groups of positioning supports, wherein the outer rectangular frame body is respectively connected with four corners of the inner rectangular frame body through four hoisting rigging; the three groups of positioning supports are arranged in the inner rectangular frame in parallel, and each group of positioning supports comprises an axle positioning seat and two suspension positioning seats positioned in front of the axle positioning seat.

Based on the above, the axle positioning seats are respectively provided with the spiral lifters corresponding to the suspension positioning seats, the suspension positioning seats are installed at the top ends of the spiral lifters, and the spiral lifters are driven to lift by the servo motors.

Based on the above, interior rectangle framework bottom is provided with horizontal layer board, and middle locating support fixes on the horizontal layer board, the locating support bottom at both ends all is provided with the wheel, and the locating support at both ends is movably placed on the horizontal layer board, be provided with motor reducer unit on the locating support of middle, be provided with vertical ball between the locating support at motor reducer unit and both ends respectively, motor reducer unit passes through the locating support longitudinal movement of vertical ball drive tip, the locating support both ends of tip extend to interior rectangle framework both sides inner wall is so that the control direction of motion.

Based on the above, the suspension positioning seat device further comprises a PLC control system, an axle distance infrared sensor and a height infrared sensor, wherein the axle distance infrared sensor is used for measuring the distance between the three groups of positioning supports, the height infrared sensor is used for measuring the height of the suspension positioning seat, the PLC control system controls the opening, closing and steering of the motor speed reducer unit according to the distance information of the positioning supports, and the PLC control system controls the opening, closing and steering of the servo motor according to the height information of the suspension positioning seat.

Based on the above, the positioning device further comprises a control cabinet, wherein an industrial display touch screen is arranged on the control cabinet, the PLC control system is arranged in the control cabinet, and the industrial display touch screen is used for inputting instructions to the PLC control system and displaying the distance information of the positioning support and the height information of the hanging positioning seat.

Based on the above, be provided with emergency stop button on the switch board, emergency stop button inserts in servo motor with in the power cord of motor reducer unit to the break-make of control power.

Based on the above, two hub V-shaped clamping grooves are arranged on the axle positioning seat.

Based on the above, the hoisting rigging comprises a hook fixed on the outer rectangular frame body and a chain connected between the hook and the inner rectangular frame body.

Compared with the prior art, the semi-trailer has outstanding substantive characteristics and remarkable progress, and particularly, the semi-trailer has the advantages that 3 axles and 6 air suspensions can be positioned according to set positions by utilizing three groups of positioning brackets, so that the relative positions are accurate, then a semi-trailer to be installed is moved to the upper part of the inner rectangular frame, a semi-trailer girder is lowered to the lower plane to be 1-2cm away from the air suspension, the air posture of the inner rectangular frame is finely adjusted by utilizing four hoisting rigging, the horizontal position of the inner rectangular frame is fixed by utilizing a plurality of transverse positioning jackscrews after the adjustment is finished, the shaking in the assembling process is avoided, and the whole installation can be finished by one-time adjustment.

Furthermore, the servo motor drives the suspension positioning seat to lift through the spiral lifter, so that the height of the suspension positioning seat can be accurately adjusted, and the suspension positioning seat is suitable for installation of air suspensions of different specifications; the motor speed reducer unit can adjust the distance between the end positioning support and the middle positioning support through the two longitudinal ball screws, so that the wheelbase is changed, and the motor speed reducer unit is suitable for installation of trailers with different wheelbases.

Furthermore, the arrangement of the wheelbase infrared sensor and the height infrared sensor can facilitate monitoring of the distance between the positioning supports and the height of the suspension positioning seat, so that the PLC control system can accurately control the installation height of the wheelbase and the air suspension of the trailer, and the installation precision is improved.

Furthermore, due to the arrangement of the industrial display touch screen, the operation and observation of workers are facilitated; the emergency stop button is convenient for emergency power-off when danger occurs; the two ends of the V-shaped clamping groove of the wheel hub are convenient for positioning the wheel hubs at the two ends of the axles with different specifications.

Drawings

FIG. 1 is a top view of the air suspension axle quick positioning mounting mechanism of the present invention.

FIG. 2 is a side view of the air suspension axle quick locate mounting mechanism of the present invention.

Fig. 3 is a control schematic block diagram in the present invention.

In the figure: 1. an outer rectangular frame; 2. an inner rectangular frame; 3. positioning the bracket; 4. transversely positioning a jackscrew; 5. an axle positioning seat; 6. hanging the positioning seat; 7. a screw lifter; 8. a hook; 9. a chain; 10. a horizontal support plate; 11. a longitudinal ball screw; 51. the V-shaped clamping groove of the hub.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

As shown in fig. 1-3, a quick positioning and mounting mechanism for an air suspension axle comprises an outer rectangular frame body 1, an inner rectangular frame body 2 and three groups of positioning brackets 3, wherein the outer rectangular frame body 1 is respectively connected with four corners of the inner rectangular frame body 2 through four hoisting rigging, and a plurality of transverse positioning jackscrews 4 are arranged on two sides of the outer rectangular frame body 1 corresponding to the inner rectangular frame body 2; the hoisting rigging can be specifically fixed lifting hook 8 and connection on the outer rectangular framework 1 lifting hook 8 with the chain 9 of interior rectangular framework 2, chain 9 hang interior rectangular framework 2 aloft, can finely tune the gesture of interior rectangular framework 2 through pulling each chain 9, withstands interior rectangular framework 2 through operation transverse orientation jackscrew 4, can fix the horizontal position of interior rectangular framework 2, avoids it to rock in assembling process.

Three groups of positioning brackets 3 are arranged in the inner rectangular frame body 2 in parallel, the bottom of the inner rectangular frame body 2 is provided with a horizontal supporting plate 10, the middle positioning bracket 3 is fixed on the horizontal supporting plate 10, the bottoms of the positioning brackets 3 at two ends are respectively provided with a wheel, the positioning brackets 3 at two ends are movably placed on the horizontal supporting plate 10, the middle positioning bracket 3 is provided with a motor speed reducer set, longitudinal ball screws 11 are respectively arranged between the motor speed reducer set and the positioning brackets 3 at two ends, the motor speed reducer set drives the positioning brackets 3 at the end part to move longitudinally through the longitudinal ball screws 11, wherein two ends of the positioning brackets 3 at the end part extend to the inner walls of the two side frames of the inner rectangular frame body 2, the movement directions of the two side frames of the inner rectangular frame body 2 are limited not to deviate, and the motor speed reducer set drives the positioning brackets 3 at the end part to move through the longitudinal ball screws 11, the spacing between the three sets of positioning brackets 3 can be adjusted.

Every group locating support 3 all includes axle positioning seat 5 and is located two suspension positioning seats 6 in axle positioning seat 4 the place ahead, correspond every on the axle positioning seat 5 suspension positioning seat 6 is provided with spiral riser 7 respectively, it installs to hang positioning seat 6 spiral riser 7 top, spiral riser 7 is gone up and down by servo motor drive to the adjustment hangs the mounting height of positioning seat 6, be provided with two wheel hub V-arrangement draw-in grooves 51 on the axle positioning seat 5, can block the axle wheel hub of different specifications.

In order to further improve the installation precision, the quick positioning installation mechanism for the air suspension axle further comprises a PLC control system, an axle distance infrared sensor and a height infrared sensor, wherein the axle distance infrared sensor is used for measuring the distance between the three groups of positioning brackets 3 and can be specifically installed on the middle positioning bracket 3; the height infrared sensor is used for measuring the height of the suspension positioning seat 6, and can be specifically installed at the bottom of the spiral lifter 7, the PLC control system controls the opening, closing and steering of the motor speed reducer unit according to the distance information of the positioning support 3, the PLC control system controls the opening, closing and steering of the servo motor according to the height information of the suspension positioning seat 6, and the specific type of the PLC can be Siemens 7-1200; through to the control of locating support 3 interval with 6 heights of suspension positioning seat, be convenient for PLC control system controls wheelbase and height more accurately to improve the installation accuracy.

In order to facilitate operation and observation, this quick location installation mechanism of air suspension axle still includes the switch board, be provided with the industrial display touch-sensitive screen on the switch board, PLC control system sets up in the switch board, the industrial display touch-sensitive screen be used for to PLC control system input instruction and demonstration the spacing information of locating support 3 with hang the height information of positioning seat 6, not only easy to operate but also show directly perceived.

In order to avoid danger caused by an accident, an emergency stop button is arranged on the control cabinet and is connected into power lines of the servo motor and the motor speed reducer set so as to control the on-off of a power supply; when danger occurs, the power supply can be quickly cut off through the emergency stop button, and the running of the motor is stopped.

The working principle is as follows:

firstly, placing three axles on three axle positioning frames 5, and placing 6 air suspensions on 6 suspension positioning seats 6; then, inputting required parameters to the industrial display touch screen according to the wheelbase of the semitrailer and the installation height of the air suspension, controlling the opening, closing and steering of the servo motor and the speed reduction motor set by the PLC control system according to information fed back by the wheelbase infrared sensor and the height infrared sensor, accurately adjusting the distance between the three positioning brackets 3 and the height of the suspension positioning seat 6, and fixing the relative positions of the air suspension and the axle at the moment; then, moving the semi-trailer to be loaded above the inner rectangular frame 2, lowering a semi-trailer girder to a lower plane 1-2cm away from an air suspension, finely adjusting the air posture of the inner rectangular frame 2 by using four hoisting riggings, and fixing the horizontal position of the inner rectangular frame by using a plurality of transverse positioning jackscrews 4 after the adjustment; and finally, installing the air suspension and the axle at the bottom of the girder of the semitrailer in a welding or bolt fastening mode and the like, and moving the semitrailer to the next station after the installation is finished.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.