CN209999133U - Axle assembly tooling and crane pre-assembly line for middle and rear axles - Google Patents

Abstract

The utility model relates to an engineering machine tool assembly field discloses kind of axle assembly fixture and hoist's well rear axle preassembly production line, axle assembly fixture includes base (1), base (1) is formed with leaf spring suspension assembly portion to and socket (2), socket (2) detachable install in base (1), and, socket (2) are formed with rubber suspension assembly portion the utility model provides an axle assembly fixture realizes the assembly of the axle of two different forms through with cover frock, only need when changing the axle form that needs the assembly install base (1) with socket (2) on, perhaps pull down from base (1) can, simple swift, improve the assembly efficiency of the axle of rubber suspension, and the assembly fixture of the axle that does need additionally to set up rubber suspension, practice thrift axle assembly fixture cost, and reduce the shared space of assembly line, be favorable to lean on the production.

Description

Axle assembly tooling and crane pre-assembly line for middle and rear axles

technical field

The utility model relates to the field of engineering machinery assembly, in particular to a middle and rear axle pre-assembly production line of a vehicle axle assembly tool and a crane.

Background technique

The middle and rear axles of cranes usually have the form of leaf springs and the later developed rubber suspension forms. However, the original pre-assembly production line of the middle and rear axles in the form of leaf springs is not suitable for the pre-assembly of the middle and rear axles in the form of rubber suspensions. , At present, the middle and rear axles in the form of rubber suspension are usually pre-assembled with a separate rubber suspension tooling. After pre-assembly, they are hoisted to the middle and rear axle conveying platform by driving, and then forklifted to the conveying platform. Through the aerial conveying system to the chassis assembly line, the crane and forklift are occupied, and the operation steps are complicated, which affects the assembly efficiency. Separately arranging the middle and rear axle pre-assembly production lines in the form of rubber suspensions leads to higher costs, and the additionally arranged assembly lines take up a larger space.

Accordingly, it would be desirable to have an apparatus that overcomes, or at least mitigates, the above-mentioned deficiencies of the prior art.

Utility model content

The purpose of the utility model is to provide a vehicle axle assembly tool, which is suitable for the assembly of a leaf spring suspension and a rubber suspension at the same time.

In order to achieve the above purpose, the present invention provides a vehicle axle assembly tool, the vehicle axle assembly tool includes: a base, the base is formed with a leaf spring suspension assembly part; and a socket, the socket is detachably installed on the The base is formed, and the socket is formed with a rubber suspension fitting portion.

Preferably, the base is formed with an insertion hole, and the socket is formed with an insertion block matched with the insertion hole.

Preferably, the base includes a bottom plate, a top plate spaced from the bottom plate, and a tubular connecting column connecting the bottom plate and the top plate, wherein the top plate serves as the leaf spring suspension fitting portion, and the tubular The top end of the connecting column extends through and is flush with the top plate, and the inner cavity of the tubular connecting column serves as the insertion hole.

Preferably, the plug-in block is formed as a tubular plug-in column, one end of the plug-in block can be plugged into the plug-in hole, and the rubber suspension assembly includes the other end disposed on the plug-in block and a rubber suspension positioning device arranged on the top of the tubular base.

Preferably, sealing plates are provided at both ends of the tubular base; and/or the rubber suspension positioning device includes a positioning pin and a positioning pressure plate.

Preferably, the base includes positioning baffles formed on opposite sides of the top plate.

Preferably, the base is provided with a leaf spring positioning stopper, and a leaf spring accommodating gap is formed between the top plate and the leaf spring positioning stopper.

Preferably, the leaf spring positioning baffle is detachably mounted on the positioning baffle.

Preferably, the axle assembly tool includes four bases arranged at four corners of a rectangle and four sockets corresponding to the bases; and/or the leaf spring suspension assembly part and all The rubber suspension fitting portion is formed with a buffer protection layer.

According to another aspect of the present invention, there is provided a middle and rear axle pre-assembly production line of a crane, the middle and rear axle pre-assembly production line of the crane includes a wire body and the axle assembly tooling according to the above, so The wire body includes a platen, and the base is mounted on the platen, wherein the positioning baffle of the base is parallel to the running direction of the wire body, and a line perpendicular to the wire is formed at the end of the base. The leaf spring suspension in the running direction of the body is positioned against the plate.

Through the above technical solution, the axle assembly tooling adopts the same tooling to realize the assembly of two different types of axles. It is only necessary to install the socket on the base when replacing the type of the axle to be assembled, or remove it from the base It is simple and fast, which improves the assembly efficiency of the rubber suspension axle, and it is necessary to additionally install the rubber suspension axle assembly tooling, which saves the cost of the axle assembly tooling and reduces the space occupied by the assembly line, which is beneficial to Lean production.

Other features and advantages of the present invention will be described in detail in the detailed description section that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and together with the following specific embodiments, are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the attached image:

1 is a schematic diagram of an axle assembly tooling according to an embodiment of the present invention, wherein the socket is mounted on the base;

Fig. 2 is the schematic diagram of the first base of the axle assembly tooling shown in Fig. 1;

Fig. 3 is the schematic diagram of the second base of the axle assembly tool shown in Fig. 1;

Fig. 4 is the schematic diagram of the third base of the axle assembly tooling shown in Fig. 1;

Fig. 5 is the schematic diagram of the fourth base of the axle assembly tooling shown in Fig. 1;

Fig. 6 is the schematic diagram of the first socket of the axle assembly tool shown in Fig. 1;

Fig. 7 is the schematic diagram of the second socket of the axle assembly tool shown in Fig. 1;

FIG. 8 is a side view of the axle assembly tool shown in FIG. 1 when it is used for pre-assembling the middle rear axle of the leaf spring suspension;

FIG. 9 is a top view of the axle assembly tool shown in FIG. 8 when it is used for pre-assembling the middle rear axle of the leaf spring suspension;

Fig. 10 is a side view of the axle assembly tool shown in Fig. 1 when it is used for pre-assembling the middle rear axle of the rubber suspension;

FIG. 11 is a top view when the axle assembly tool shown in FIG. 10 is used for pre-assembling the middle rear axle of the rubber suspension.

Description of reference numerals

1- Base; 11- Bottom plate, 12- Tubular connecting column, 13- Top plate, 14- Positioning baffle plate, 15- Leaf spring suspension positioning plate, 16- Insertion hole, 17- Reinforcing rib, 18- Barrier insertion Hole, 2-socket, 21-plug block, 22-tubular base, 23-positioning pin, 24-positioning pressure plate, 25-nut, 26-bolt, 27-sealing plate, 3-leaf spring suspension; 4- Middle axle, 5-rear axle, 6-rubber suspension.

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

In the present utility model, unless otherwise stated, the directional words used such as "top and bottom" generally refer to the relative positions of the workpiece azimuths used in the accompanying drawings of the description of the present utility model, and the directional words only It is used to illustrate the structure of the product and does not constitute a limitation on the protection scope of the present invention.

According to one aspect of the present invention, a vehicle axle assembly tool is provided. Referring to FIG. 1 , the vehicle axle assembly tool includes: a base 1, which is formed with a leaf spring suspension assembly part; and a socket 2, which is detachable is mounted on the base 1, and the socket 2 is formed with a rubber suspension fitting portion.

The above-mentioned axle assembly tooling realizes the assembly of two different types of axles through the same tooling. It is only necessary to install the socket 2 on the base 1 or remove it from the base 1 when replacing the type of the axle to be assembled. Simple and fast, improve the assembly efficiency of the rubber suspension axle, and it is necessary to additionally install the rubber suspension axle assembly tooling, save the axle assembly tooling cost, and reduce the space occupied by the assembly line, which is conducive to lean production. .

The installation method of the socket 2 can be appropriately selected according to actual needs, for example, it is clamped to the base, and the socket 2 is installed to the base through a screw mounting member. Referring to Figure 1, Figure 2 and Figure 6, the base 1 is formed with a plug hole 16, the socket 2 is formed with a plug block 21 matched with the plug hole 16, the socket 2 is plugged into the base 1, and the installation and disassembly are simple and quick, No complicated alignment and disassembly steps are required. A circumferential positioning structure is preferably formed between the insertion hole 16 and the insertion block 21 to avoid relative rotation of the two and improve the stability of the socket 2. In the illustrated embodiment, the insertion hole 16 is formed as a square hole, The plug-in block is formed as a matching cuboid, and no additional circumferential positioning structure is required.

The specific structures of the base 1 and the socket 2 can be appropriately designed according to actual needs, and the support and subsequent assembly of the leaf spring suspension and the rubber suspension can be realized. 2 to 5, in the illustrated preferred embodiment, the base 1 includes a bottom plate 11, a top plate 13 spaced from the bottom plate 11, and a tubular connecting column 12 connecting the bottom plate 11 and the top plate 13, wherein the top plate 13 serves as the In the assembly part of the leaf spring suspension, the top end of the tubular connecting column 12 extends through the top plate 13 and is flush with the top plate 13. The inner cavity of the tubular connecting column 12 is used as the insertion hole 16. The base 1 has a compact structure. On the premise of ensuring the strength of the base 1 , the weight of the base 1 is reduced, and the manufacturing cost of the base 1 is reduced.

The position where the tubular connecting column 12 is combined with the top plate 13 and/or the bottom plate 11 is preferably provided with a reinforcing rib 17 to improve the strength of the base 1 .

The structure of the socket 2 can also be appropriately designed according to the design requirements. Referring to FIG. 6 and FIG. 7 , the plug-in block 21 is formed as a tubular plug-in column, and one end of the plug-in block 21 can be plugged into the plug-in hole 16. The assembling part includes a tubular base 22 arranged at the other end of the plug-in block 21 and a rubber suspension positioning device arranged on the top of the tubular base 22 , the socket 2 has a compact structure, and the plug-in block 21 is formed as a tubular plug-in column , the weight of the plug-in block 21 is reduced under the condition of ensuring that the plug-in block 21 has sufficient strength, and the size of the plug-in block 21 in the hollow structure is large, which is convenient for the quick alignment of the plug-in block 21 and the plug-in hole 16, and in addition , the tubular base 22 of the socket 2 also uses tubular profiles, which can reduce the weight of the socket 2 on the premise of ensuring the strength of the socket 2. In addition, the rubber suspension positioning device arranged on the upper part of the tubular base 22 helps the rubber suspension. The positioning of the frame and the stability of the rubber suspension during the assembly process are kept to avoid the movement and shaking of the rubber suspension affecting the assembly of the axle.

Referring again to FIGS. 6 and 7 , both ends of the tubular base 22 are provided with sealing plates 27 , and the sealing plates 27 can further improve the strength of the tubular base 22 . A weight-reducing hole is formed in the middle of the sealing plate 27 to reduce the weight of the socket 2 .

The specific structure of the rubber suspension positioning device can be appropriately selected according to actual needs, for example, a positioning plate, a positioning pin, and the like. 6 and 7, the rubber suspension positioning device includes a positioning pin 23 and a positioning pressure plate 24, the positioning pin 23 can be inserted into the corresponding positioning hole on the rubber suspension, the positioning pressure plate 24 is installed on the tubular base 22, and can The surface of the rubber suspension is pressed, so as to realize the positioning of the point-to-surface combination of the rubber suspension, the positioning accuracy is high, and the stability of the rubber suspension can be improved.

The installation method of the positioning pressure plate 24 can be appropriately selected according to actual needs, so that the positioning pressure plate 24 can apply a pressing force to the rubber suspension to achieve positioning. The length and elastic coefficient of the spring can be appropriately selected according to actual needs. Preferably, the positioning pressure plate 24 is mounted on the tubular base 22 through a threaded mounting member, see FIGS. 6 and 7 , the screwed mounting member includes a bolt 26 and a nut 24 , and the bolt 26 sequentially passes through the tubular base 22 from the inside of the tubular base 22 . The positioning pressure plate 24 is pressed against the surface of the rubber suspension through the nut 25, and the positioning pressure plate 24 is compressed and loosened by tightening and loosening the nut 25.

2 to 5 , the base 1 includes positioning baffles 14 formed on opposite sides of the top plate 13 to prevent the leaf spring suspension from coming out of the base 1 and to facilitate the positioning of the leaf spring suspension. The shape and size of the positioning baffle 14 can be appropriately selected according to actual needs.

Further, the base 1 is provided with a leaf spring positioning stopper (not shown in the figure), and a leaf spring accommodating gap is formed between the top plate 13 and the leaf spring positioning stopper, so as to lock the leaf spring suspension to the base 1 . Above, the size of the leaf spring accommodating gap can be appropriately selected according to actual needs, as long as the part of the leaf spring corresponding to the position can be accommodated and the leaf spring can be positioned.

Wherein, the leaf spring positioning blocking rod is detachably installed on the positioning blocking plate 14 to facilitate the installation and removal of the leaf spring suspension. The installation method of the leaf spring positioning blocking rod can be appropriately selected according to the actual needs. Referring to FIG. 2 and FIG. 3 , in the illustrated embodiment, the positioning baffles 14 located on both sides of the top plate 13 are formed with corresponding blocking rod installations. A hole 18 through which the leaf spring positioning stop rod can pass through the stop rod mounting hole 18 and be locked in this position by a locking piece. In actual use, the leaf spring positioning baffle can pass through the mounting hole on the leaf spring suspension and the baffle mounting hole 18 , and locate the leaf spring suspension on the base 1 .

The number and distribution of the base 1 and the support 2 of the axle assembly tool can be appropriately selected according to actual needs. Because the axle of the vehicle is usually provided with suspensions at both ends along the width direction of the vehicle, and the suspension is The frame has a certain length, therefore, the axle assembly tool includes four bases 1 arranged at the four corners of the rectangle and four sockets 2 corresponding to the bases 1 to correspond to the two Both ends of the suspension. Among them, considering that the structures on both sides of the axle may be different, the tooling required for different positions of the suspension is also different. Therefore, the four bases and four sockets in the axle assembly tooling can be the same or different as required. , for example, in the axle assembly tool shown in Figure 1, the four bases 1 adopt different structures, the first is the base 1 shown in Figure 2, and the second is the base 1 shown in Figure 3 , the third is the base 1 shown in Figure 4, the fourth is the base 1 shown in Figure 5, and the first and third sockets are the sockets 2 shown in Figure 6, and the second and third sockets are sockets 2 shown in Figure 6. Four are sockets 2 shown in FIG. 7 .

When the above-mentioned tooling is used for the assembly of the middle and rear axles of the vehicle, refer to the schematic diagrams when the axle assembly tooling shown in Fig. 8 and Fig. 9 is used for pre-assembling the middle and rear axles of the leaf spring suspension. Both ends are supported on the corresponding base 1 and positioned by the leaf spring positioning stopper, and then the middle axle 4 and the rear axle 5 are assembled to the corresponding positions of the leaf spring suspension 3 to complete the pre-assembly of the middle and rear axles of the vehicle. Referring to the schematic diagram of the axle assembly tool used for pre-assembling the middle and rear axles of the rubber suspension shown in Figure 10 and Figure 11, plug the socket 2 on the base 1 before use, and support the two ends of the rubber suspension 6 The middle axle 4 and the rear axle 5 are assembled to the corresponding positions of the rubber suspension 6 to complete the pre-assembly of the middle and rear axles of the vehicle.

In addition, the size of the base 1 and socket 2 can also be appropriately selected according to actual needs. For example, in some assembly lines, there is a requirement for the height of the tooling, and the appropriate base 1 and socket 2 are selected according to the corresponding height requirements. size.

Preferably, a buffer protection layer is formed on the leaf spring suspension fitting part and the rubber suspension fitting part to prevent the base 1 and the socket 2 from damaging the paint surface of the workpiece, and the buffer protection layer can be appropriately selected according to actual needs , for example, a protective layer of polyurethane.

According to a middle and rear axle pre-assembly production line of a crane, the middle and rear axle pre-assembly production line of the crane includes a wire body and an axle assembly tool according to the above, wherein the wire body comprises a platen, and the base 1 is installed In the platen, the positioning baffle plate 14 of the base 1 is parallel to the running direction of the wire body, and the end of the base 1 is formed with a plate spring suspension positioning plate perpendicular to the running direction of the wire body. 15, so that the base 1 can accurately position the corresponding leaf spring suspension.

The middle and rear axle pre-assembly production line of the crane can realize the pre-assembly of two types of middle and rear axles, improve production efficiency, save space and cost, and be conducive to lean production.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present invention, many technical solutions of the present invention can be carried out. These simple modifications all belong to the protection scope of the present invention.

In addition, it should be noted that the specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner unless they are inconsistent. The combination method is not specified otherwise.

In addition, the various embodiments of the present invention can also be arbitrarily combined, as long as they do not violate the idea of the present invention, they should also be regarded as the content disclosed by the present invention.

Claims (10)

1. A vehicle axle assembly tooling is characterized in that, described vehicle axle assembly tooling comprises: a base (1) formed with a leaf spring suspension fitting; and A socket (2) is detachably mounted on the base (1), and the socket (2) is formed with a rubber suspension fitting portion. 2 . The vehicle axle assembly tool according to claim 1 , wherein the base ( 1 ) is formed with an insertion hole ( 16 ), and the socket ( 2 ) is formed with the insertion hole ( 16 ). 3 . Mating plug-in block (21). 3. The vehicle axle assembly tool according to claim 2, wherein the base (1) comprises a bottom plate (11), a top plate (13) arranged at intervals from the bottom plate (11), and a top plate (13) connected to the bottom plate (11). 11) and a tubular connecting post (12) of the top plate (13), wherein the top plate (13) serves as the leaf spring suspension fitting portion, and the top end of the tubular connecting post (12) extends through the The top plate (13) is flush with the top plate (13), and the inner cavity of the tubular connecting post (12) is used as the insertion hole (16). 4 . The vehicle axle assembly tool according to claim 3 , wherein the plug-in block ( 21 ) is formed as a tubular plug-in column, and one end of the plug-in block ( 21 ) can be plugged into the plug-in plug. 5 . an attachment hole (16), the rubber suspension fitting part comprises a tubular base (22) arranged at the other end of the plug-in block (21) and a rubber base (22) arranged at the top of the tubular base (22) Suspension positioning device. 5. The axle assembly tooling according to claim 4 is characterized in that, Sealing plates (27) are provided at both ends of the tubular base (22); and/or The rubber suspension positioning device includes a positioning pin (23) and a positioning pressure plate (24). 6. The axle assembly tool according to claim 3, wherein the base (1) comprises positioning baffles (14) formed on opposite sides of the top plate (13). 7 . The axle assembly tool according to claim 6 , wherein the base ( 1 ) is provided with a leaf spring positioning stopper, and a plate spring positioning stopper is formed between the top plate (13 ) and the leaf spring positioning stopper. 8 . The leaf spring accommodates the gap. 8 . The axle assembly tool according to claim 7 , wherein the leaf spring positioning stopper is detachably mounted on the positioning stopper ( 14 ). 9 . 9. The axle assembly tooling according to any one of claims 1-8, characterized in that, The axle assembly tool includes four bases (1) arranged at four corners of a rectangle and four sockets (2) corresponding to the bases (1); and/or The plate spring suspension fitting part and the rubber suspension fitting part are formed with a buffer protection layer. 10. A middle and rear axle pre-assembly production line of a crane, characterized in that the middle and rear axle pre-assembly production line of the crane comprises a wire body and the axle assembly tooling according to any one of claims 1-9 , the wire body comprises a platen, and the base (1) is mounted on the platen, wherein the positioning baffle (14) of the base (1) is parallel to the running direction of the wire body, and the base (1) The end of (1) is formed with a leaf spring suspension positioning plate (15) perpendicular to the running direction of the wire body.

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