CN205601964U - Fine adjustment device for assembling front and rear suspensions of passenger car chassis - Google Patents

Abstract

The utility model discloses a front and rear suspension assembly fine-tuning device of a passenger car chassis, which comprises a base, an adjusting seat and a supporting part, the suspension is supported on the supporting part; the middle part of the adjusting seat is hinged on the base, and the adjusting seat There is a Z-axis rotation drive mechanism that can make the suspension rotate around the Z-axis between the base and the base; the support component includes a first support assembly, a second support assembly and a Y-axis rotation support assembly, and the suspension is supported on the first On the support assembly and the second support assembly, the suspension is also supported on the support assembly that rotates around the Y axis. The Y axis rotation support assembly is installed on the adjustment seat. When the action rotates the support assembly around the Y axis, the suspension can rotate around the Y axis. rotate. The utility model can fine-tune the degree of freedom of the front and rear suspensions of the passenger car chassis, thereby reducing the difficulty of workers' operation, helping to improve the assembly progress of products and improve production efficiency.

Description

Front and rear suspension assembly fine-tuning device for passenger car chassis

technical field

The utility model relates to a fine-tuning device for assembly of front and rear suspensions of a passenger car chassis.

Background technique

At present, in the new process of passenger car assembly: when the body is welded, the frame assembly, the left and right side panel assemblies, the roof frame assembly and the front and rear panel assemblies are assembled and welded together to form a complete hexahedron, which enters the chassis after painting The assembly line is assembled according to the full load body assembly method. The front suspension assembly, rear suspension assembly, engine assembly and oil and gas pipelines of the chassis are formed into independent units for pre-assembly. In this way, the assembly of each unit can realize parallel operation, which greatly shortens the assembly time of the whole vehicle online and improves the production efficiency.

Among the three assemblies of the chassis assembly, the installation of the front and rear suspension assemblies is one of the difficult points in the operation of the assembly line. Because it is different from non-load-bearing assembly, the front and rear suspension assembly modules are pre-assembled, and their weight is relatively large, so it is difficult to use manpower for assembly and positioning, so a mobile trolley and a lifting device must be used. However, the positioning accuracy of these devices cannot be guaranteed, and the operator needs to spend a lot of energy on fine-tuning.

Contents of the invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a fine-tuning device for assembly of the front and rear suspensions of the bus chassis, which can fine-tune the degrees of freedom of the front and rear suspensions of the bus chassis, thereby reducing the difficulty of workers' operation, and It is beneficial to improve the assembly progress of products and improve production efficiency.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a fine-tuning device for assembly of front and rear suspensions of a passenger car chassis, which includes a base, an adjustment seat and a supporting part, and the suspension is supported on the supporting part; wherein,

The middle part of the adjustment seat is hinged on the base, and a Z-axis rotation drive mechanism is provided between the adjustment seat and the base to allow the suspension to rotate around the Z-axis;

The support component includes a first support component, a second support component and a support component that rotates around the Y axis, the suspension is supported on the first support component and the second support component, and the suspension is also supported on the support component that rotates around the Y axis, The Y-axis rotation support assembly is installed on the adjustment seat, when the action rotates the support assembly around the Y-axis, the suspension can rotate around the Y-axis; the second support assembly is installed at one end of the adjustment seat, and the first support assembly It is limited in the other end of the adjustment seat, and the first support assembly can move in the Z direction on the adjustment seat, and a device is arranged between the first support assembly and the adjustment seat to make the first support assembly Z on the adjustment seat. The moving drive mechanism rotates around the X axis. When the drive mechanism rotates around the X axis, the suspension can rotate around the X axis.

Further provided is a specific structure of a drive mechanism for rotating around the Z axis, the driving mechanism for rotating around the Z axis has a rotating member around the Z axis, the rotating member around the Z axis is connected to the base through threads, and the rotating member around the Z axis The end of the rotating member abuts against the end of the adjusting seat, and the suspension is rotated around the Z axis by screwing the rotating member around the Z axis.

Further provided is a specific structure of a driving mechanism that rotates around the X axis. The driving mechanism that rotates around the X axis has a rotating member that rotates around the X axis. The end of the shaft rotating member abuts against the first support assembly, and the suspension is rotated around the X axis by screwing the rotating member around the X axis.

Further provided is a specific structure of a support assembly rotating around the Y axis, the support assembly rotating around the Y axis includes two adjustment assemblies around the Y axis, the two adjustment assemblies around the Y axis are installed on the adjustment seat, and the two around the Y axis The Y-axis adjustment assembly is respectively located on both sides of the first support assembly or the second support assembly. The adjustment assembly around the Y-axis includes an adjustment screw and a fixing plate. The adjustment screw is threadedly connected to the corresponding fixing plate, and the adjustment screw The head of the nail is against the suspension, and the rotation position of the suspension around the Y axis can be adjusted by turning two adjustment screws.

Further provides a specific structure of the first support assembly and the second support assembly, the first support assembly and the second support assembly each have a support plate, and the support plate is provided with a slot, the suspension is supported on In the slot.

Further, a bearing seat is installed in the middle of the adjustment seat, a bearing is installed on the base, and the bearing is installed in the bearing seat, and the adjustment seat is rotatably supported on the base through cooperation between the bearing and the bearing seat.

After adopting the above technical solution, the suspension supported on the supporting part can be rotated around the Z axis by rotating the driving mechanism around the Z axis, and the suspension supported on the supporting part can be rotated by rotating the supporting assembly around the Y axis. Rotate around the Y axis, and rotate the drive mechanism around the X axis through the action, so that the suspension supported on the support component can rotate around the X axis, thereby fine-tuning the degree of freedom of the suspension, reducing the difficulty of operation for workers, and helping to improve the assembly progress of the product ,Increase productivity.

Description of drawings

Fig. 1 is the structural schematic diagram of the front and rear suspension assembly fine-tuning device of the passenger car chassis of the present invention;

Fig. 2 is the structural representation of the adjustment seat of the present utility model;

Fig. 3 is a diagram of the use state of the front and rear suspension assembly fine-tuning device of the passenger car chassis of the utility model.

detailed description

In order to make the content of the utility model more clearly understood, the utility model will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1, 2, and 3, a front and rear suspension assembly fine-tuning device for a passenger car chassis includes a base 1, an adjustment seat 2 and a support member, and the suspension 3 is supported on the support member; wherein,

Adjusting base 2, the middle part of the adjusting base 2 is rotatably supported on the base 1, and between the adjusting base 2 and the base 1 is provided a rotation drive mechanism around the Z axis that can make the suspension 3 rotate around the Z axis;

A support component, the support component includes a first support component 41, a second support component 42 and a support component that rotates around the Y axis, the suspension 3 is supported on the first support component 41 and the second support component 42, and the suspension 3 is also supported On the Y-axis rotation support assembly, the Y-axis rotation support assembly is installed on the adjustment base 2, when the action rotates the Y-axis support assembly, the suspension 3 can rotate around the Y-axis; the second support assembly 42 is installed on One end of the adjustment seat 2, the first support assembly 41 is limited in the other end of the adjustment seat 2, and the first support assembly 41 can move in the Z direction on the adjustment seat 2, the first support assembly 41 and the adjustment seat 2 is provided with a drive mechanism for rotating the first support assembly 41 on the adjustment seat 2 in the Z direction. When the drive mechanism for rotating the X axis operates, the suspension 3 can rotate around the X-axis rotation.

As shown in Figures 1 and 2, the Z-axis rotating drive mechanism has a Z-axis rotating member, which is connected to the base 1 through threads, and the end of the Z-axis rotating member is against On the end of the adjusting seat 2, the suspension 3 is rotated around the Z axis by screwing the Z axis rotating member.

As shown in Figures 1 and 2, the X-axis rotation driving mechanism has a X-axis rotation member 5, and the X-axis rotation member 5 is connected to the adjustment seat 2 through threads, and the X-axis rotation member 5 The end of the suspension 3 is abutted against the first supporting component 41, and the suspension 3 is rotated around the X-axis by screwing the rotating member 5 around the X-axis.

As shown in Figures 1 and 2, the rotating support assembly around the Y axis includes two adjustment components around the Y axis, both of which are installed on the adjustment seat 2, and the two adjustment components around the Y axis are respectively located Both sides of the first support assembly 41 or the second support assembly 42, the adjustment assembly around the Y axis includes an adjustment screw 6 and a fixed plate 7, the adjustment screw 6 is threaded with the corresponding fixed plate 7, and the adjustment screw The nail head of 6 is against the suspension 3, and the rotation position of the suspension 3 around the Y axis is adjusted by screwing two adjustment screws 6.

As shown in Figures 1 and 2, both the first support assembly 41 and the second support assembly 42 have a support plate 43, and a slot is provided on the support plate 43, and the suspension 3 is supported in the slot.

As shown in Figures 1 and 2, a bearing seat 21 is installed in the middle of the adjustment seat 2, a bearing 11 is installed on the base 1, the bearing 11 is installed in the bearing seat 21, and the adjustment seat 2 passes through the bearing 11. Cooperating with the bearing seat 21, it is rotatably supported on the base 1.

The Y and Z directions described in this embodiment are shown in FIG. 1 , and the X direction is perpendicular to the Y and Z directions.

The working principle of the utility model is as follows:

By rotating the drive mechanism around the Z axis, the suspension 3 supported on the support component can rotate around the Z axis, and by rotating the support assembly around the Y axis, the suspension 3 supported on the support component can rotate around the Y axis. By rotating the driving mechanism around the X-axis, the suspension 3 supported on the supporting part can rotate around the X-axis, thereby fine-tuning the degree of freedom of the suspension, reducing the difficulty of operation for workers, and helping to improve the assembly progress of products and improve production efficiency. .

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the utility model in detail. It should be understood that the above descriptions are only specific embodiments of the utility model and are not intended to be used To limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (6)

1. A front and rear suspension assembly fine-tuning device of a passenger car chassis is characterized in that it comprises a base (1), an adjustment seat (2) and a support member, and the suspension (3) is supported on the support member; wherein, The middle part of the adjustment seat (2) is rotatably supported on the base (1), and a ring that can make the suspension (3) rotate around the Z axis is arranged between the adjustment seat (2) and the base (1). Z-axis rotation drive mechanism; The support component includes a first support assembly (41), a second support assembly (42) and a Y-axis rotating support assembly, and the suspension (3) is supported on the first support assembly (41) and the second support assembly (42) Above, the suspension (3) is also supported on the Y-axis rotation support assembly, and the Y-axis rotation support assembly is installed on the adjustment base (2). When the movement rotates the support assembly around the Y axis, the suspension (3) can rotate around Y-axis rotation; the second support assembly (42) is installed at one end of the adjustment seat (2), the first support assembly (41) is limited in the other end of the adjustment seat (2), and the The first support assembly (41) can move in the Z direction on the adjustment seat (2), and a device is arranged between the first support assembly (41) and the adjustment seat (2) so that the first support assembly (41) is positioned on the adjustment seat ( 2) A driving mechanism for rotating around the X axis moving in the Z direction. When the driving mechanism for rotating around the X axis operates, the suspension (3) can rotate around the X axis. 2. The assembly fine-tuning device for the front and rear suspension of a passenger car chassis according to claim 1, characterized in that: the Z-axis rotation drive mechanism has a Z-axis rotation member, and the Z-axis rotation member is threaded with the base (1) connection, the end of the Z-axis rotating member is against the end of the adjustment seat (2), and the suspension (3) is rotated around the Z-axis by screwing the Z-axis rotating member rotate. 3. The fine-tuning device for assembly of front and rear suspensions of passenger car chassis according to claim 1, characterized in that: said rotating drive mechanism around the X axis has a rotating part (5) around the X axis, and said rotating part (5) around the X axis It is connected with the adjustment base (2) through threads, the end of the X-axis rotating member (5) is against the first support assembly (41), and by screwing the X-axis rotating member (5) ) to rotate the suspension (3) around the X axis. 4. The assembly fine-tuning device for the front and rear suspension of a passenger car chassis according to claim 1, characterized in that: the rotating support assembly around the Y-axis includes two adjustment assemblies around the Y-axis, and the two adjustment assemblies around the Y-axis are installed on the adjusting on the seat (2), and two Y-axis adjustment components are located on both sides of the first support component (41) or the second support component (42), and the Y-axis adjustment components include adjustment screws (6) and fixing plate (7), the adjusting screw (6) is threadedly connected with the corresponding fixing plate (7), and the nail head of the adjusting screw (6) is against the suspension (3), by screwing the two adjusting screws (6) to adjust the position where the suspension (3) rotates around the Y axis. 5. The fine-tuning device for assembly of front and rear suspensions of passenger car chassis according to claim 1, characterized in that: the first support assembly (41) and the second support assembly (42) each have a support plate (43), and support A slot is provided on the plate (43), and the suspension (3) is supported in the slot. 6. The fine-tuning device for assembly of front and rear suspensions of passenger car chassis according to claim 1, characterized in that: a bearing seat (21) is installed in the middle of the adjustment seat (2), and a bearing (21) is installed on the base (1) 11), the bearing (11) is installed in the bearing seat (21), and the adjustment seat (2) is rotatably supported on the base (1) through the cooperation of the bearing (11) and the bearing seat (21).