CN219358452U - General welding fixture for front axle section air suspension frame of full-bearing passenger car - Google Patents

Abstract

The utility model provides a general welding frock of full-load type passenger train front axle section air suspension frame belongs to air suspension frame technical field. The welding tool comprises a front transverse section positioning bracket assembly, a rear transverse section positioning bracket assembly, a central positioning bracket assembly component, a tool underframe assembly and a channel steel component assembly, wherein the four front transverse section positioning bracket assembly and the rear transverse section positioning bracket assembly are fixed at the four corners of the tool underframe assembly through bolts, the central positioning bracket assembly component is welded at the front end and the rear end of the tool underframe assembly, and the channel steel component assembly is symmetrically welded at the corresponding positions at the top of the tool underframe assembly. The welding tool can meet the welding production of front-section air suspension frames of vehicle models with different lengths, and is simple in structure and convenient to operate.

Description

General welding fixture for front axle section air suspension frame of full-bearing passenger car

Technical Field

The disclosure relates to the technical field of air suspension frames, in particular to a universal welding tool for a full-bearing type passenger car front axle segment air suspension frame.

Background

With the continuous development of new energy buses, the continuous subdivision of the bus market and the diversification of the demands of bus products now lead enterprises to face more and more tests in the vigorous market competition. In order to meet the current market demands, passenger car manufacturing enterprises all adopt customer point single production and adopt the modes of ordering, multi-variety and small batch mixed line production. Compared with other parts, the production process of the chassis frame of the passenger car is complex, and the requirements on product quality and consistency are high, so that the chassis frame of the passenger car is produced in the production process of the chassis frame of the full-bearing passenger car:

1. whether the welding position of the mounting bracket of the front suspension is correct or not is particularly important, and whether the assembly state of the front suspension is correct or not is related to the fact that the mounting bracket is incorrect in position, so that the assembly problems of wheel wheelbase deviation, wheel mounting abnormality, wheel steering out of control and the like are caused;

2. because the front section air suspension of the same model can be applied to vehicle types with different vehicle lengths, tools with different types of corresponding vehicle types are required to be manufactured, so that the cost is increased, and the space occupied by the tools for storing and occupying the production field is more.

Disclosure of Invention

One technical problem to be solved by the present disclosure is: the incorrect position of the mounting bracket leads to wheel wheelbase deviation, abnormal wheel mounting, out-of-control wheel steering and vehicle type application of different vehicle lengths, and different types of tools of corresponding vehicle types need to be manufactured, so that the problems of cost increase and more space occupation of production sites for storing the tools are caused.

In order to solve the technical problem, the embodiment of the disclosure provides a universal welding tool for a front axle section air suspension frame of a full-load type passenger car, which comprises a front transverse section positioning bracket assembly, a rear transverse section positioning bracket assembly, a center positioning bracket assembly component, a tool underframe assembly and a channel steel component assembly, wherein the four front transverse section positioning bracket assemblies and the rear transverse section positioning bracket assembly are fixed at the positions of four corners of the tool underframe assembly through bolts, the center positioning bracket assembly component is welded at the front end and the rear end of the tool underframe assembly, and the channel steel component assembly is symmetrically welded at the corresponding positions at the top of the tool underframe assembly.

In some embodiments, the channel steel component assembly comprises two channel steels I which are respectively and vertically symmetrically welded to corresponding positions on the tool underframe assembly component, a channel steel II is welded at the middle part of the two channel steels I in a manner of being perpendicular to the channel steel I, a channel steel III is welded at the left and right ends of the channel steel II and perpendicular to the channel steel II, a channel steel IV is welded at the outer end of the channel steel III and perpendicular to the channel steel III, a channel steel five is welded at the left and right sides of the center of the channel steel II, and an L-shaped positioning block is welded above the front end face and the rear end face of the channel steel five and perpendicular to the channel steel five plane.

In some embodiments, the air bag positioning and fixing plate is welded on the upper end face of the first channel steel, and the shock absorber support positioning and fixing plate is welded on the upper end face of the fourth channel steel.

In some embodiments, the air bag positioning and fixing plate and the shock absorber support positioning and fixing plate are provided with circular positioning plates.

In some embodiments, the tool underframe assembly comprises four channel steels six, two channel steels seven, one channel steel eight, two channel steels nine and four mounting bottom plates, wherein the four channel steels six are welded at the front end and the rear end of the two channel steels seven which are horizontally placed, one end of the tool underframe assembly is welded with the two channel steels six and is used for connecting the two channel steels seven, the two channel steels nine are respectively welded between the two channel steels six which are close to each end of the channel steels seven, the one channel steel eight is welded between the two channel steels six which are close to the middle, and the four mounting bottom plates are respectively welded at the two channel steels six two ends which are close to each end of the channel steels seven and are welded with the channel steels seven.

In some embodiments, the front-rear transverse section positioning bracket assembly comprises a channel steel ten, a mounting steel plate is welded at a position, close to the lower end, of the channel steel ten and perpendicular to the channel steel ten, the mounting steel plate is connected with the tool underframe assembly through a bolt, a triangular reinforcing steel plate is welded at the position of the concave surface of the lower end of the channel steel ten and the vertical surface of the mounting steel plate, an adjusting screw rod fixing channel steel is welded in the perpendicular direction of the plane of the lower end of the channel steel ten, a positioning steel plate is welded at the center of the plane of the channel steel ten and perpendicular to the adjusting screw rod fixing channel steel, and an adjusting screw rod assembly is welded at the position of the opening of the front end of the adjusting screw rod fixing channel steel.

In some embodiments, a vertical rotary positioning block is fixed on the plane of the ten upper ends of the channel steel through bolts.

In some embodiments, the centering bracket assembly member comprises a channel steel eleven and a channel steel twelve symmetrically welded on the channel steel eleven and provided with an inclined opening, and the lower ends of the channel steel eleven and the channel steel twelve are both welded on the tool underframe assembly.

Through above-mentioned technical scheme, the utility model provides a general welding frock of full-load type passenger train front axle section air suspension frame, preceding, back cross-section component location support assembly, it is removable, adjustable, can carry out X direction and Y direction regulation through dismouting location support assembly and the chassis installation connecting bolt of frock, can carry out Z direction regulation through connecting bolt on the vertical rotatory locating piece on the dismouting location support assembly and location support assembly below lead screw assembly, realize the front axle section air suspension frame welding production switching with the different length section motorcycle types of platform through adjusting, satisfy the front axle section air suspension frame welding production with the different length section motorcycle types of platform.

Through the technical scheme, the utility model provides a general welding frock of full-load type passenger train front axle section air suspension frame utilizes vertical rotatory locating piece assembly to fix a position preceding, the lower terminal surface of back cross-section component upper layer Y direction straight beam, make things convenient for whole after the front axle Duan Chejia assembly welding shaping to take out, but the lead screw assembly of upper and lower regulation fixes a position preceding, the lower terminal surface of back cross-section component lower layer Y direction straight beam, fix a position the gasbag support with the circular locating plate of the equal size of fixed plate on the gasbag, back shock absorber support, increase movable pin fixed product precision of guaranteeing after the welding, make installing support position correct, avoid wheel wheelbase deviation, wheel installation is unusual, the problem that the wheel turns to out of control.

Through above-mentioned technical scheme, the utility model provides a general welding frock of full-load type passenger train front axle section air suspension frame realizes the quick location of different motorcycle type front axle section air suspension frames and trades the type to promote welding production's efficiency, reduce the frock input, reduce cost.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of a front axle segment air suspension frame assembly of a welding tool disclosed in an embodiment of the present disclosure;

FIG. 2 is a matching diagram of a welding tool disclosed in an embodiment of the present disclosure;

FIG. 3 is a middle stringer member matching diagram of a welding tool disclosed in an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a front view of a tooling assembly diagram of a welding tooling disclosed in an embodiment of the present disclosure;

FIG. 5 is a left side structural schematic view of a tooling assembly diagram of a welding tooling disclosed in an embodiment of the present disclosure;

FIG. 6 is a schematic top view of a tooling assembly diagram of a welding tooling disclosed in an embodiment of the present disclosure;

FIG. 7 is a schematic view of a tooling chassis assembly of a welding tooling disclosed in an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a front-rear transverse cross-section locating bracket assembly of a welding tool disclosed in an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a center positioning bracket assembly of a welding tool according to an embodiment of the disclosure.

Reference numerals illustrate:

1. positioning bracket assemblies with front and rear transverse sections; 2. channel steel I; 3. an air bag positioning and fixing plate; 4. channel steel II; 5. channel steel III; 6. channel steel IV; 7. positioning and fixing plates of the shock absorber support; 8. a center positioning bracket assembly member; 9. channel steel V; 10. an L-shaped positioning block; 11. a tool underframe assembly; 12. channel steel six; 13. channel steel seven; 14. channel steel eight; 15. channel steel nine; 16. a mounting base plate; 17. channel steel ten; 18. triangular reinforced steel plates; 19. installing a steel plate; 20. adjusting screw rod fixing channel steel; 21. positioning a steel plate; 22. adjusting a screw rod assembly; 23. a vertical rotary positioning block; 24. channel steel eleven; 25. and twelve channels.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

Referring to fig. 4, 5 and 6, a universal welding tool for a front axle section air suspension frame of a full-load type passenger car comprises a front transverse section positioning bracket assembly 1, a center positioning bracket assembly component 8, a tool underframe assembly 11 and a channel steel component assembly, wherein the four front transverse section positioning bracket assemblies 1 are fixed at the four corners of the tool underframe assembly 11 through bolts, the center positioning bracket assembly component 8 is welded at the front end and the rear end of the tool underframe assembly 11, the channel steel component assembly is symmetrically welded at the corresponding positions at the top of the tool underframe assembly 11, the front and rear section component positioning support assemblies 1 are detachable and adjustable, the X direction and the Y direction can be adjusted through dismounting connecting bolts on the center positioning bracket assembly component 8 and the tool underframe assembly 11, the Z direction can be adjusted through connecting bolts on a vertical rotary positioning block 23 and a positioning support assembly lower lead screw assembly 22, and welding production switching of front axle section air suspension frames of different length section vehicle models of the same platform is realized through adjustment, and welding production of front axle section air suspension frames of different length section vehicle models of the same platform is met.

Referring to fig. 4, 5 and 6, in some embodiments, the channel steel member assembly includes two channel steel one 2 welded to corresponding positions on the member of the tooling underframe assembly 11 vertically and symmetrically, a channel steel two 4 is welded at the middle of the two channel steel one 2 perpendicularly to the channel steel one 2, a channel steel three 5 is welded at the left and right ends of the channel steel two 4 perpendicularly to the channel steel two 4, a channel steel four 6 is welded at the outer end of the channel steel three 5 perpendicularly to the channel steel three 5, a channel steel five 9 is welded at the left and right sides of the center of the channel steel two 4, namely, two sides of the center of an OY line as shown in fig. 5, and an L-shaped positioning block 10 is welded above the front and rear end faces of the channel steel five 9 and perpendicularly to the five 9 planes of the channel steel, namely, the front and rear end faces of an OX line as shown in fig. 4 and 6.

Referring to fig. 4, 5 and 6, in some embodiments, the air bag positioning and fixing plate 3 is welded on the upper end surface of the first channel steel 2, the shock absorber support positioning and fixing plate 7 is welded on the upper end surface of the fourth channel steel 6, and the air bag positioning and fixing plate 3 and the shock absorber support positioning and fixing plate 7 are respectively used for placing an air bag support and a shock absorber support.

In some embodiments, the air bag positioning and fixing plate 3 and the shock absorber support positioning and fixing plate 7 are provided with circular positioning plates, and the circular positioning plates are used for placing arc rods of wheel covers of the vehicle frame.

Referring to fig. 7, in some embodiments, the tool underframe assembly 11 includes four six channels 12, two seven channels 13, one eight channel 14, two nine channels 15 and four mounting plates 16, the four six channels 12 are welded at the front and rear ends of the two horizontally placed seven channels 13, one end is welded with the two six channels 12 and is used for connecting the two seven channels 13, the two nine channels 15 are respectively welded between the two six channels 12 close to each end of the seven channels 13, one eight channel 14 is welded between the two six channels 12 close to the middle, the four mounting plates 16 are respectively welded at the two six channels 12 close to each end of the seven channels 13 and are welded with the seven channels 13, and the firmness of the whole tool is ensured by using the tool underframe assembly 11 of the 14# channel assembly welding tool.

Referring to fig. 8, in some embodiments, the front-rear transverse section positioning bracket assembly 1 includes a channel steel decade 17, a mounting steel plate 19 is welded to the channel steel decade 17 at a position close to the lower end of the channel steel decade 17, the mounting steel plate 19 is connected with the tooling underframe assembly 11 through a bolt, a triangular reinforcing steel plate 18 is welded to the vertical surface of the mounting steel plate 19 at the concave surface of the lower end of the channel steel decade 17, an adjusting screw rod fixing channel steel 20 is welded to the vertical direction of the plane of the lower end of the channel steel decade 17, a positioning steel plate 21 is welded to the center of the lower plane of the channel steel decade 17 perpendicular to the adjusting screw rod fixing channel steel 20, an adjusting screw rod assembly 22 is welded to the opening of the front end of the adjusting screw rod fixing channel steel 20, and the lower end faces of the lower Y-direction straight beams of the front-rear section members are positioned by using the adjusting screw rod assembly 22 capable of being adjusted up and down.

Referring to fig. 8, in some embodiments, a vertical rotation positioning block 23 is fixed on the plane of the upper end of the channel steel ten 17 through bolts, the vertical rotation positioning block 23 can rotate, and the vertical rotation positioning block 23 is used for positioning the lower end surfaces of the upper layer Y-direction straight beams of the front and rear cross-section members, so that the whole front axle Duan Chejia assembly is conveniently taken out after welding and forming.

Referring to fig. 9, in some embodiments, the center positioning bracket assembly member 8 includes an eleven channel steel 24 and twelve channel steels 25 symmetrically welded on the eleven channel steels 24 and having an opening in a left-right direction, the eleven channel steels 24 and twelve channel steels 25 are both welded on the tooling underframe assembly 11, and two ends of the left and right sides of the tooling are respectively provided with the center positioning bracket assembly member 8 perpendicular to the tooling underframe assembly 11 for measuring and verifying the accuracy of the front axle center line OX at any time.

The working steps of welding the front axle section air suspension frame are as follows:

1. as shown in fig. 1 and 2, the structure of the front axle section air suspension frame is divided into a front transverse section, a rear transverse section and a middle left-right longitudinal section; wherein, the front transverse section and the rear transverse section are divided into an upper layer and a lower layer of beam structures, the upper beam is positioned by a vertical rotary positioning block 23 on a component of the front and rear transverse section positioning bracket assembly 1, the lower end surface of the upper beam is positioned by an adjusting screw rod assembly 22, and the side surfaces are aligned with the end surface of a positioning steel plate 21;

2. as shown in fig. 3, the left and right longitudinal sections of the middle part are respectively placed into an L-shaped positioning block 10 in the middle part of the tool to be welded with the interfaces of the front transverse section and the rear transverse section;

3. as shown in fig. 3, respectively placing an air bag support and a shock absorber support on a circular positioning plate of an air bag positioning and fixing plate 3 and a shock absorber support positioning and fixing plate 7, inserting a movable bolt for fixing and positioning, and then placing a frame wheel cover arc rod and welding and fixing;

4. and (3) welding various sectional materials, reinforcing plates, reinforcing beams and the like, lifting the workpiece by a crane for a certain distance, rotating the vertical rotary positioning block 23 by 90 degrees, and finally lifting the workpiece out of the tool integrally.

Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (8)

1. The universal welding tool for the full-bearing type passenger car front axle section air suspension frame is characterized by comprising a front transverse section positioning bracket assembly (1), a rear transverse section positioning bracket assembly component (8), a tool underframe assembly (11) and a channel steel component assembly; four front and back transverse section locating support assemblies (1) are fixed at the four corners of the tool underframe assembly (11) through bolts, the center locating support assembly components (8) are welded at the front end and the back end of the tool underframe assembly (11), and the channel steel component assemblies are symmetrically welded at the corresponding positions at the top of the tool underframe assembly (11).

2. The welding fixture of claim 1, wherein the channel steel component assembly comprises two channel steel I (2) which are respectively and vertically symmetrically welded to corresponding positions on a component of the fixture chassis assembly (11), channel steel II (4) is welded in the middle of the two channel steel I (2) perpendicular to the channel steel I (2), channel steel III (5) is welded at the left end and the right end of the channel steel II (4) perpendicular to the channel steel II (4), channel steel IV (6) is welded at the outer end of the channel steel III (5) perpendicular to the channel steel III (5), channel steel V (9) is welded at the left side and the right side of the center of the channel steel II (4), and L-shaped positioning blocks (10) are welded above the front end face and the rear end face of the channel steel V (9) and perpendicular to the plane of the channel steel V (9).

3. The welding fixture according to claim 2, wherein an air bag positioning and fixing plate (3) is welded on the upper end face of the first channel steel (2), and a shock absorber support positioning and fixing plate (7) is welded on the upper end face of the fourth channel steel (6).

4. A welding fixture according to claim 3, characterized in that the air bag positioning and fixing plate (3) and the shock absorber support positioning and fixing plate (7) are provided with circular positioning plates.

5. The welding fixture of claim 4, wherein the fixture chassis assembly (11) comprises six channels (12), seven channels (13), eight channels (14), nine channels (15) and a mounting bottom plate (16), four six channels (12) are welded at front and rear ends of two horizontally placed seven channels (13), one end of each six channels is welded with two six channels (12) for connecting two seven channels (13), two nine channels (15) are respectively welded between two six channels (12) close to each end of the seven channels (13), one eight channels (14) is welded between two six channels (12) close to the middle, and four mounting bottom plates (16) are respectively welded at two six channels (12) two ends close to each end of the seven channels (13) and are welded with the seven channels (13).

6. The welding fixture according to claim 5, wherein the front-rear transverse section positioning bracket assembly (1) comprises a channel steel ten (17), an installation steel plate (19) is welded at a position, close to the lower end, of the channel steel ten (17) and perpendicular to the channel steel ten (17), the installation steel plate (19) is connected with the fixture underframe assembly (11) through bolts, a triangular reinforcing steel plate (18) is welded at the vertical position of a concave surface at the lower end of the channel steel ten (17) and an installation steel plate (19), an adjusting screw fixing channel steel (20) is welded at the vertical direction of the plane of the lower end of the channel steel ten (17), a positioning steel plate (21) is welded at the center of the lower plane of the channel steel ten (17) and perpendicular to the adjusting screw fixing channel steel (20), and an adjusting screw assembly (22) is welded at the front end opening of the adjusting screw fixing channel steel (20).

7. The welding fixture according to claim 6, wherein a vertical rotary positioning block (23) is fixed on the upper end plane of the channel steel ten (17) through bolts.

8. The welding fixture according to claim 7, wherein the center positioning bracket assembly component (8) comprises an eleven channel steel (24) and twelve channel steel (25) symmetrically welded on the eleven channel steel (24) in a left-right symmetry mode, and the lower ends of the eleven channel steel (24) and twelve channel steel (25) are welded on the fixture underframe assembly (11).