Automobile air spring airbag mounting equipment

Abstract

Automobile air spring airbag mounting equipment is provided with a box body, a metal protection sleeve clamping mechanism, a lifting table, a lifting table driving mechanism and an airbag compression mechanism. A metal protective sleeve clamping mechanism, a lifting table and a lifting table driving mechanism are arranged in the box body, and a workpiece penetrating hole is formed in a working table surface of the box body; the metal protective sleeve clamping mechanism is provided with a cylindrical cavity communicated with a workpiece penetrating hole in the working table, and a radial extrusion type multi-jaw chuck is arranged at the upper part of the cylindrical cavity; the lifting table is located below the metal protective sleeve clamping mechanism and assembled with the lifting table driving mechanism. The air bag compression mechanism is installed on the working table of the box body, and a pressing head is arranged in the air bag compression mechanism. According to the utility model, two processes of assembling the metal protective sleeve of the automobile air spring and the air bag and compressing the air bag are integrated together, so that the purposes of improving the working efficiency, ensuring the assembling quality and reducing the replacement cost of the air bag are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to an automobile air spring air bag mounting equipment for automobile suspension systems. BACKGROUND

[0002] The automobile air spring is an important component of high-grade fuel vehicles and new energy electric vehicle suspension systems, has ideal nonlinear elastic characteristics due to variable rigidity, and thus the vehicle equipped with the automobile air spring is excellent in ride comfort and driving experience. The automobile air spring provides elastic support by filling compressed air in the air bag, and the air bag of the air spring is usually used together with a damper, a shock absorber and other accessories to work cooperatively to achieve better suspension effect. The air bag of the air spring is generally made of rubber, polyurethane or other high-strength materials, and needs to be replaced after the vehicle travels a certain mileage or is used for a certain period of time.

[0003] As shown in a kind of automobile air spring 1 in the attached Figure 1 Metal protective sleeve 1-2 is arranged on the outer side of the air bag 1-1 of the automobile air spring 1, and one end of the metal protective sleeve 1-2 is clamped together with the air bag 1-1 through the internal support ring 1-3. When replacing the air bag 1-1, the upper end of the new air bag 1-1 needs to be fixedly connected with the upper cover part 1-4 of the cavity, the lower end needs to be fixedly connected with the sleeve piston 1-5 of the shock absorber, then the metal protective sleeve 1-2 is clamped and assembled with the air bag 1-1, and the air bag 1-1 is compressed to be curled in the cavity of the air spring. In the prior art, the operation method of separating the metal protective sleeve assembly and the air bag compression process is adopted when replacing the air bag of the automobile air spring, two or more sets of workpiece clamping positioning tools need to be configured, and the workpiece needs to be converted between two stations, which not only reduces the working efficiency, but also has the problems of large occupied space and high maintenance cost. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of automobile air spring air bag mounting equipment, it is designed to by the cooperation of lifting platform, lifting platform drive mechanism, metal protective sleeve clamping mechanism and air bag compression mechanism, to realize the integration of the two processes of the metal protective sleeve assembly and the air bag compression of automobile air spring, reach the purpose of improving working efficiency, guaranteeing assembly quality, reducing air bag replacement cost.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The application discloses an automobile air spring air bag mounting device which is characterized by comprising a box body, a metal protective sleeve clamping mechanism, a lifting platform, a lifting platform driving mechanism and an air bag compression mechanism; the box body is arranged on a horizontal ground, the metal protective sleeve clamping mechanism, the lifting platform and the lifting platform driving mechanism are arranged in the box body, and a workpiece passing hole is formed in a workbench surface of the box body; the metal protective sleeve clamping mechanism is provided with a cylindrical cavity which is in communication with the workpiece passing hole on the workbench surface, and a radial extrusion type multi-jaw chuck is arranged at an upper portion of the cylindrical cavity; the lifting platform is arranged below the metal protective sleeve clamping mechanism, and the lifting platform is matched with the lifting platform driving mechanism; the air bag compression mechanism is provided with a rotating arm, a rotating arm support and a pressing cylinder, the rotating arm is arranged on the workbench surface of the box body through the rotating arm support, and the pressing cylinder is arranged above the rotating arm, and a pressing head is arranged at an end of a piston rod of the pressing cylinder.

[0007] The pressing head of the automobile air spring air bag mounting device is provided with an outer conical surface which is matched with an inner conical surface of a lower end port of a shock absorber sleeve.

[0008] The automobile air spring air bag mounting device is provided with a cushion block and a positioning hole formed in the lifting platform; an upper end surface of the cushion block is a horizontal surface, a positioning column is arranged on a bottom surface of the cushion block, and the positioning column penetrates into the positioning hole on the lifting platform.

[0009] The lifting platform driving mechanism of the automobile air spring air bag mounting device comprises a motor, a gear and tooth type belt transmission assembly and a screw and nut transmission assembly; the motor is fixedly arranged on a fixed plate arranged in the box body and located at a rear portion of the metal protective sleeve clamping mechanism, a motor output shaft is matched with a driving gear in the gear and tooth type belt transmission assembly, a driven gear in the gear and tooth type belt transmission assembly is fixedly matched with a screw rod in the screw and nut transmission assembly, and a nut in the screw and nut transmission assembly is matched with the lifting platform.

[0010] The gear and tooth type belt transmission assembly of the automobile air spring air bag mounting device is provided with two groups of driven gears and stabilizing wheels which are arranged in a left-right symmetrical mode, and the screw and nut transmission assembly is also arranged in a left-right symmetrical mode; the two groups of driven gears in the gear and tooth type belt transmission assembly are respectively fixedly matched with the screw rods in the two groups of screw and nut transmission assemblies, and the two groups of stabilizing wheels are arranged between the driving gear and the driven gear, so that the tooth type belt is wrapped around the driving gear and the driven gear through the two groups of stabilizing wheels, and the wrap angle is not less than 180º.

[0011] The automobile air spring air bag mounting device is further provided with a lifting platform movement guide mechanism which comprises a sliding block and a guide rail; the guide rail is arranged on an inner wall of the box body, and the sliding block is fixed on a bottom surface of the lifting platform and matched with the guide rail.

[0012] The air spring bag mounting device for automobile, the rotating arm in the air bag compression mechanism is a cantilever beam structure, and is hingedly connected with a rotating shaft arranged at the top of the rotating arm support; and a locking assembly is arranged between the rotating arm and the rotating arm support.

[0013] The air spring bag mounting device for automobile, the locking assembly comprises a locking gear, a lock tongue and a lock tongue driving cylinder; the locking gear is fixedly connected with the rotating shaft at the top of the rotating arm support; the lock tongue driving cylinder is arranged on the rotating arm in a horizontal state, and the lock tongue is arranged at the end of the piston rod of the lock tongue driving cylinder; the lock tongue enters or leaves the gap between the gear teeth of the locking gear by the extension and retraction of the piston rod of the lock tongue driving cylinder, so that the switching between the free state and the locking state of the rotating arm is realized.

[0014] The air spring bag mounting device for automobile, a supporting rod is further arranged in the air bag compression mechanism, one end of the supporting rod is connected with a hinged seat arranged on the workbench of the box body, and the other end of the supporting rod is provided with a plug-in connector matched with the rotating arm.

[0015] The air spring bag mounting device for automobile further comprises a control panel, the control panel is arranged on the workbench of the box body, and is in communication connection with the control elements of the lifting platform driving mechanism, the metal protective sleeve clamping mechanism and the air bag compression mechanism.

[0016] The utility model provides a kind of automobile air spring air bag mounting equipment, and its working principle is: workpiece is provided with supporting action by lifting platform;The up-down position of workpiece is adjusted by lifting platform drive mechanism;Air bag of automobile air spring is clamped between internal support ring and metal protective sleeve by metal protective sleeve clamping mechanism, and the fixed connection of air bag and metal protective sleeve is realized;Air bag is compressed by air bag compression mechanism, and air bag is curled in the cavity of air spring.The utility model structure, the upper end surface of pad arranged on lifting platform is horizontal plane, workpiece can be placed on pad, when metal protective sleeve clamping mechanism works, the claw of radial extrusion type multi-claw chuck can be synchronously extruded inward, workpiece can move horizontally on pad, so that the self-centering effect of workpiece in the process of metal protective sleeve clamping operation is realized;When air bag compression mechanism works, the claw of radial extrusion type multi-claw chuck in metal protective sleeve clamping mechanism moves outward, the claw is separated from workpiece, workpiece is in free state in the cylindrical cavity of metal protective sleeve clamping mechanism, with the downward movement of pressure head driven by the piston rod of lower pressure cylinder, the outer conical surface of pressure head cooperates with the inner conical surface of shock absorber sleeve pipe piston lower end port, workpiece can move horizontally on pad, and the self-centering effect of workpiece is realized.In short, the utility model integrates the two processes of metal protective sleeve and air bag assembly of automobile air spring and air bag compression by the cooperation of lifting platform, lifting platform drive mechanism, metal protective sleeve clamping mechanism and air bag compression mechanism, avoids workpiece conversion between two stations, simplifies workpiece clamping positioning operation steps, so as to improve work efficiency, ensure assembly quality and reduce air bag replacement cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of automobile air spring section structure schematic diagram of the utility model specific embodiment;

[0018] Figure 2 It is Figure 1 Air bag, metal protective sleeve and shock absorber sleeve pipe piston assembly structure schematic diagram of automobile air spring in

[0019] Figure 3 It is the front view of the utility model;

[0020] Figure 4 It is Figure 3 K view;

[0021] Figure 5 It is lifting platform, pad, lifting platform drive mechanism schematic diagram;

[0022] Figure 6 It is in Figure 5 Lifting platform drive mechanism gear tooth type belt drive assembly schematic diagram shown in A-A section view;

[0023] Figure 7is the air bag compression mechanism schematic view;

[0024] Figure 8 is Figure 7 K view of the locking assembly in the air bag compression mechanism;

[0025] Figure 9 is the cushion block cross section structure schematic view;

[0026] Figure 10 is the working state schematic view of the utility model.

[0027] The explanation of each reference numeral in the drawing is as follows:

[0028] 1 is an automobile air spring, 1-1 is an air bag, 1-2 is a metal protective sleeve, 1-3 is an internal support ring, 1-4 is the upper cover part of the cavity, and 1-5 is the sleeve piston of a shock absorber;

[0029] 2 is a shock absorber;

[0030] 3 is a box body, and 3-1 is a fixed plate;

[0031] 4 is a metal protective sleeve clamping mechanism;

[0032] 5 is a lifting platform;

[0033] 6 is a lifting platform driving mechanism, 6-1 is a motor, 6-2 is a gear tooth type belt transmission assembly, 6-2-1 is a driving gear, 6-2-2 is a driven gear, 6-2-3 is a tooth type belt, 6-2-4 is a stabilizing wheel, and 6-3 is a screw nut transmission assembly;

[0034] 7 is an air bag compression mechanism, 7-1 is a rotating arm, 7-2 is a rotating arm support column, 7-3 is a downward pressing cylinder, 7-4 is a pressing head, 7-5 is a locking assembly, 7-5-1 is a locking gear, 7-5-2 is a locking tongue, 7-5-3 is a locking tongue driving cylinder, and 7-6 is a support rod;

[0035] 8 is a cushion block, 8-1 is a positioning column, and 8-2 is a horizontal plane;

[0036] 9 is a lifting platform movement guide mechanism, 9-1 is a sliding block, and 9-2 is a guide rail;

[0037] 10 is a control panel. DETAILED DESCRIPTION

[0038] The utility model will be further described below in combination with the drawings and specific embodiments.

[0039] Referring to FIG. 1, Figure 2The preferred embodiment of the utility model relates to a kind of automobile air spring 1, shock absorber 2 is fitted in its cavity, the metal protective sleeve 1-2 of the air bag 1-1 outside of this automobile air spring 1 is arranged, metal protective sleeve 1-2 one end is clamped together with air bag 1-1 by internal support ring 1-3, when replacing air bag 1-1, new air bag 1-1 upper end and the upper cover portion 1-4 of cavity are first fixedly connected, lower end and the sleeve piston 1-5 of shock absorber are fixedly connected, then metal protective sleeve 1-2 and air bag 1-1 are clamped and assembled, air bag 1-1 is compressed to make it curl in the cavity of air spring.

[0040] Referring to Figure 2 、 Figure 3 The utility model provides a kind of automobile air spring air bag mounting equipment, it is equipped with box 3, metal protective sleeve clamping mechanism 4, lifting platform 5, lifting platform drive mechanism 6, air bag compression mechanism 7 and control panel 10;The box 3 is placed on horizontal ground, adjustable foot bolt is equipped with rolling wheel in box four corner position, metal protective sleeve clamping mechanism 4, lifting platform 5 and lifting platform drive mechanism 6 are arranged in box 3, workpiece through hole is opened on the workbench surface of box 3;Metal protective sleeve clamping mechanism 4 is equipped with the cylindrical cavity that is penetrated with workpiece through hole on workbench surface, radial extrusion type multi-jaw chuck is set in the upper portion of cylindrical cavity;Lifting platform 5 is located below metal protective sleeve clamping mechanism 4, lifting platform 5 is fitted with lifting platform drive mechanism 6;Air bag compression mechanism 7 is installed on the workbench of box 3;Control panel 10 is installed on the workbench of box 3, and the control element of lifting platform drive mechanism 6, metal protective sleeve clamping mechanism 4 and air bag compression mechanism 7 is connected with communication.

[0041] Referring to Figure 3 、 Figure 4 、 Figure 5 、 Figure 6The utility model discloses a car air spring air bag mounting equipment, and its lifting platform drive mechanism 6 includes motor 6 1, gear tooth type belt drive component 6 2, screw nut drive component 6 3, the motor 6 1 fixed mounting is set up on the fixed plate 3 1 of the inside of box 3, is located the rear portion of metal protection sleeve joint mechanism 4, and the motor output shaft extends vertically downward and is assembled with the driving gear 6 2 1 in gear tooth type belt drive component 6 2, the screw nut drive component 6 3 is arranged two groups symmetrically left and right, and is in vertical arrangement state, and the nut of two screw nut drive components 6 3 is fixed in the left and right sides of lifting platform 5, gear tooth type belt drive component 6 2 still is equipped with two groups of driven gear 6 2 2 and stabilizer wheel 6 2 4 arranged left and right symmetrically, wherein two groups of driven gear 6 2 2 are fixed assembly with the screw rod in two screw nut drive components 6 3 respectively, and two groups of stabilizer wheel 6 2 4 are arranged between driving gear 6 2 1 and driven gear 6 2 2, and the wrap angle of tooth type belt 6 2 3 is not less than 180º by two groups of stabilizer wheel 6 2 4 around driving gear 6 2 1 and driven gear 6 2 2.

[0042] Referring to Figure 3 、 Figure 5 The utility model discloses a car air spring air bag mounting equipment, and it is also equipped with lifting platform movement guide mechanism 9, lifting platform movement guide mechanism 9 includes sliding block 9 1 and guide rail 9 2, the guide rail 9 2 is installed on the inner wall of box 3, and is in vertical arrangement state, and the sliding block 9 1 is fixed at the bottom surface of lifting platform 5, and sliding block 9 1 is also assembled with guide rail 9 2.

[0043] Referring to Figure 5 、 Figure 9 The utility model discloses a car air spring air bag mounting equipment, and sets up cushion 8 on its lifting platform 5, and sets up positioning hole on lifting platform 5, the upper end surface of cushion 8 is horizontal plane 8 2, and is equipped with positioning column 8 1 on the bottom surface of cushion 8, positioning column 8 1 is inserted into the positioning hole of lifting platform 5.

[0044] Referring to Figure 3 、 Figure 7The automotive air spring airbag installation device of this utility model includes an airbag compression mechanism 7 comprising a rotating arm 7-1, a rotating arm support 7-2, a pressing cylinder 7-3, and a support rod 7-6. The rotating arm 7-1 is a cantilever beam structure, hinged to a rotating shaft at the top of the rotating arm support 7-2, and mounted on the worktable of the housing 3 via the rotating arm support 7-2. A locking assembly 7-5 is provided between the rotating arm 7-1 and the rotating arm support 7-2. The pressing cylinder 7-3 is arranged on the rotating arm 7-1, and a pressure head 7-4 is provided at the end of the piston rod of the pressing cylinder 7-3. The pressing working surface of the pressure head 7-4 is an outer conical surface, which matches the inner conical surface of the lower port of the shock absorber sleeve piston 1-5 of the workpiece. One end of the support rod 7-6 is assembled with a hinge seat on the worktable of the housing 3, and the other end is provided with a plug that mates with the rotating arm 7-1. During airbag compression, the operator can pull the rotating arm 7-1 to rotate it around the top shaft of the rotating arm support 7-2, which will drive the pressing cylinder 7-3 to rotate above the workpiece. The rotating arm 7-1 is then locked and fixed by the locking assembly 7-5. The pressing cylinder 7-3 is then activated, causing its piston rod to extend. The outer conical surface of the pressure head 7-4 engages with the inner conical surface of the lower port of the shock absorber sleeve piston 1-5 of the workpiece, thereby achieving the self-centering function of the workpiece.

[0045] See Figure 7 , Figure 8 The automotive air spring airbag installation device of this utility model includes a locking assembly 7-5 for the rotating arm 7-1 and the rotating arm support 7-2, comprising a locking gear 7-5-1, a locking tongue 7-5-2, and a locking tongue drive cylinder 7-5-3. The locking gear 7-5-1 is fixedly assembled with the top rotating shaft of the rotating arm support 7-2. The locking tongue drive cylinder 7-5-3 is mounted on the rotating arm 7-1 in a horizontal position, and the locking tongue 7-5-2 is installed at the end of its piston rod. The locking tongue 7-5-2 enters or leaves the tooth gap of the locking gear 7-5-1 as the piston rod of the locking tongue drive cylinder 7-5-3 extends or retracts, thereby realizing the switching between the free and locked states of the rotating arm 7-1.

[0046] See Figures 1 to 10 The present invention is used to Figure 1 , Figure 2 When replacing the car air spring airbag shown, first place the workpiece (such as...) Figure 2The workpiece is placed on the cushion block 8 of the lifting platform 5, that is, the upper cover part 1-4 of the cavity is in contact with the horizontal surface 8-2 of the cushion block 8; then the lifting platform 5 is adjusted to the appropriate height by the lifting platform driving mechanism 6, the workpiece passes through the cylindrical cavity of the metal protection sleeve clamping mechanism 4, and the radial extrusion multi-jaw chuck of the workpiece metal protection sleeve clamping mechanism 4 is aligned with the metal protection sleeve 1-2, the inner support ring 1-3 and the air bag 1-1 clamping part of the workpiece; the workpiece metal protection sleeve clamping mechanism 4 is started, the clamping jaws of the radial extrusion multi-jaw chuck are synchronously extruded inward, and the workpiece is horizontally moved on the cushion block 8 to realize the self-centering of the workpiece; after the extrusion action is completed, the clamping jaws of the radial extrusion multi-jaw chuck move outward, the clamping jaws are separated from the workpiece, and the workpiece restores to the free state in the cylindrical cavity of the metal protection sleeve clamping mechanism; the position of the lower pressing cylinder 7-3 in the air bag compression mechanism 7 is adjusted by the rotating arm 7-1, so that the pressure head 7-4 is above the workpiece; the air bag compression mechanism 7 is started, the piston rod of the lower pressing cylinder 7-3 drives the pressure head 7-4 to move downward, the outer conical surface of the pressure head cooperates with the inner conical surface of the lower end port of the shock absorber sleeve, the workpiece can be horizontally moved on the cushion block to realize the self-centering of the workpiece, and the action of the lower pressing cylinder 7-3 is stopped; the rotating arm 7-1 is locked and fixed by the locking assembly 7-5, and the upper end of the support rod 7-6 is assembled with the rotating arm 7-1, so as to provide support for the cantilever beam structure of the rotating arm 7-1 and improve the bending resistance of the rotating arm 7-1; the lower pressing cylinder 7-3 in the air bag compression mechanism 7 is started again, the air bag 1-1 is compressed, and the air bag 1-1 is curled in the cavity of the air spring, so that the air spring air bag replacement work of the automobile is completed.

Claims

1. A car air spring airbag installation device, characterized in that: The utility model provides a kind of metal protection sleeve clamping mechanism, including box (3), metal protection sleeve clamping mechanism (4), lifting platform (5), lifting platform drive mechanism (6) and air bag compression mechanism (7);The box (3) is placed on horizontal ground, and metal protection sleeve clamping mechanism (4), lifting platform (5) and lifting platform drive mechanism (6) are arranged in the box (3), and workpiece through hole is opened on the workbench surface of the box (3);The metal protection sleeve clamping mechanism (4) is equipped with the cylindrical cavity that is penetrated with workpiece through hole on the workbench surface, and radial extrusion type multi-chuck is arranged in the upper portion of cylindrical cavity;The lifting platform (5) is below the metal protection sleeve clamping mechanism (4), and lifting platform (5) is matched with lifting platform drive mechanism (6);The air bag compression mechanism (7) is equipped with rotating arm (7-1), rotating arm support (7-2) and lower pressure cylinder (7-3), the rotating arm (7-1) is installed on the workbench surface of the box (3) by rotating arm support (7-2), and the lower pressure cylinder (7-3) is arranged above the rotating arm (7-1), and pressure head (7-4) is set in the piston rod end of lower pressure cylinder (7-3).

2. The automotive air spring air bag mounting apparatus according to claim 1, characterized by: The pressing surface of the pressure head (7-4) is outer conical surface, which is matched with the inner conical surface of the lower end of the shock absorber sleeve piston (1-5).

3. The automotive air spring air bag mounting apparatus according to claim 2, characterized by: The lifting platform (5) is provided with a cushion block (8), and a positioning hole is formed in the lifting platform (5);The upper end surface of the cushion block (8) is a horizontal surface (8-2), and a positioning column (8-1) is arranged on the bottom surface of the cushion block (8), and the positioning column (8-1) penetrates into the positioning hole on the lifting platform (5).

4. The automotive air spring air bag mounting apparatus according to any one of claims 1 to 3, characterized by: The lifting platform drive mechanism (6) includes a motor (6-1), a gear and tooth type belt transmission assembly (6-2), and a screw and nut transmission assembly (6-3);The motor (6-1) is fixedly installed on the fixed plate (3-1) arranged inside the box (3), located at the rear of the metal protection sleeve clamping mechanism (4), and the motor output shaft is matched with the driving gear (6-2-1) in the gear and tooth type belt transmission assembly (6-2);The driven gear (6-2-2) in the gear and tooth type belt transmission assembly (6-2) is fixedly matched with the screw in the screw and nut transmission assembly (6-3);The nut in the screw and nut transmission assembly (6-3) is matched with the lifting platform (5).

5. The automotive air spring air bag mounting apparatus according to claim 4, characterized by: Two groups of driven gears (6-2-2) and stabilizing wheels (6-2-4) are arranged symmetrically in the gear and tooth type belt transmission assembly (6-2), and two groups of screw and nut transmission assemblies (6-3) are arranged symmetrically;The two groups of driven gears (6-2-2) in the gear and tooth type belt transmission assembly (6-2) are respectively fixedly matched with the screws in the two groups of screw and nut transmission assemblies (6-3), and the two groups of stabilizing wheels (6-2-4) are arranged between the driving gear (6-2-1) and the driven gear (6-2-2), so that the tooth type belt (6-2-3) passes through the driving gear (6-2-1) and the driven gear (6-2-2) through the two groups of stabilizing wheels (6-2-4), and the wrap angle is not less than 180º.

6. The automotive air spring air bag mounting apparatus according to claim 5, characterized by: The lifting platform motion guide mechanism (9) comprises a sliding block (9-1) and a guide rail (9-2); the guide rail (9-2) is installed on the inner wall of the box body (3), and the sliding block (9-1) is fixed to the bottom surface of the lifting platform (5); the sliding block (9-1) is further matched with the guide rail (9-2).

7. The automotive air spring air bag mounting apparatus according to claim 5, characterized by: The rotating arm (7-1) in the air bag compression mechanism (7) is a cantilever beam structure, and is hingedly connected with a rotating shaft arranged at the top of the rotating arm support (7-2); a locking assembly (7-5) is arranged between the rotating arm (7-1) and the rotating arm support (7-2).

8. The automotive air spring air bag mounting apparatus according to claim 7, characterized by: The locking assembly (7-5) comprises a locking gear (7-5-1), a locking tongue (7-5-2) and a locking tongue driving cylinder (7-5-3); the locking gear (7-5-1) is fixedly connected with the rotating shaft at the top of the rotating arm support (7-2); the locking tongue driving cylinder (7-5-3) is installed on the rotating arm (7-1) and arranged in a horizontal state, and the locking tongue (7-5-2) is installed at the end of the piston rod of the locking tongue driving cylinder (7-5-3); the locking tongue (7-5-2) enters or exits the gear gap of the locking gear (7-5-1) along with the extension and retraction of the piston rod of the locking tongue driving cylinder (7-5-3), so as to realize the switching between the free state and the locking state of the rotating arm (7-1).

9. The automotive air spring air bag mounting apparatus according to claim 8, characterized by: A support rod (7-6) is further arranged in the air bag compression mechanism (7), one end of the support rod (7-6) is connected with the hinge seat arranged on the workbench of the box body (3), and the other end is provided with a plug connector matched with the rotating arm (7-1).

10. The automotive air spring air bag mounting apparatus according to claim 5, characterized by: A control panel (10) is further arranged, which is installed on the workbench of the box body (3) and is in communication connection with the control elements of the lifting platform driving mechanism (6), the metal protective sleeve clamping mechanism (4) and the air bag compression mechanism (7).

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