Tailor-welding tool for new energy forklift drive axle

Abstract

The utility model provides a tailor-welding tool for a drive axle of a new energy forklift truck, which comprises a bottom plate, an axle package positioning mechanism and a pair of sector plate positioning mechanisms are mounted on the bottom plate, the sector plate positioning mechanisms are respectively positioned on two sides of the axle package positioning mechanism, the axle package positioning mechanism comprises a positioning ring for placing an axle package, and the sector plate positioning mechanisms are positioned on two sides of the positioning ring. The positioning ring is horizontally arranged, the sector plate positioning mechanism comprises a vertically-installed positioning plate, a plurality of positioning holes corresponding to pin holes in a sector plate are formed in the positioning plate, and the positioning holes and the corresponding pin holes are positioned through locking assemblies. According to the tailor-welding tool, the mode of partial positioning and manual mechanical locking is adopted, the optimal positioning precision can be obtained, the efficiency is relatively high, the structure is simple, manufacturing is easy, the stability of tailor-welding of the 4.5 t new energy forklift drive axle can be guaranteed through the tool, and then the consistency of tailor-welding sizes is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift manufacturing, in particular to a butt welding tooling for a drive axle of a new energy forklift. Background Technique

[0002] An electric forklift uses a storage battery as the power source to drive a driving motor and an oil pressure system motor, so as to realize driving and loading / unloading operations. An electric forklift is a loading, unloading and handling vehicle powered by a DC power supply.

[0003] As a key component in a new energy forklift, the drive axle has an important structure and high requirements for welding strength. If the manual placement and adjustment method is adopted for assembly, the product assembly and welding efficiency is low, the spot welding size consistency is poor, and the labor intensity of employees is high, which is not suitable for mass production. Content of the Utility Model

[0004] In view of the above problems, the utility model provides a butt welding tooling for a drive axle of a new energy forklift. The butt welding tooling adopts a method of partial positioning and manual mechanical locking, which can obtain the best positioning accuracy, has relatively high efficiency, and has a simple structure and is easy to manufacture. Secondly, the tooling can ensure the stability of the butt welding of the drive axle of a 4.5t new energy forklift, thereby improving the consistency of the butt welding size.

[0005] In order to solve the above problems, the technical solution adopted by the utility model is:

[0006] A butt welding tooling for a drive axle of a new energy forklift, including a bottom plate, a bridge housing positioning mechanism and a pair of sector plate positioning mechanisms are installed on the bottom plate. The pair of sector plate positioning mechanisms are respectively located on both sides of the bridge housing positioning mechanism. The bridge housing positioning mechanism includes a positioning ring for placing the bridge housing. The positioning ring is horizontally placed. The sector plate positioning mechanism includes a vertically installed positioning plate. A plurality of positioning holes corresponding to the pin holes on the sector plate are opened on the positioning plate. The positioning holes and the corresponding pin holes are positioned by a locking assembly.

[0007] Preferably, the bridge housing positioning mechanism further includes a cross-shaped support plate. The positioning ring is fixedly installed on the top of the cross-shaped support plate. The bottom of the cross-shaped support plate is fixedly installed on the bottom plate.

[0008] Preferably, the sector plate positioning mechanism further includes a mounting plate. The mounting plate is fixedly installed at the bottom of the positioning plate. The mounting plate is installed on the bottom plate through a plurality of bolts.

[0009] Preferably, the number of the positioning holes is two, which are respectively arranged on the front and rear sides of the positioning plate.

[0010] Preferably, the locking assembly includes a positioning pin and a nut. The positioning pin is adapted to the positioning hole and the pin hole. The nut is threadedly connected to the end of the positioning pin.

[0011] Preferably, an arc-shaped opening is provided at the top of the positioning plate.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. The welding fixture adopts the method of sectional positioning and manual mechanical locking, which can obtain the best positioning accuracy, has relatively high efficiency, and has a simple structure and is easy to manufacture. Secondly, this fixture can ensure the stability of the welding of the drive axle of a 4.5t new energy forklift, thereby improving the consistency of the welding dimensions.

[0014] 2. The welding fixture is a welding fixture with a simple structure, easy to use and flexible to adjust. Using this fixture structure can improve the welding efficiency of workpieces, and can ensure the consistency of the welding dimensions of workpieces, thus guaranteeing the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic side view of the positioning plate proposed by the present utility model;

[0017] Figure 3 is a schematic structural diagram of the locking component proposed by the present utility model;

[0018] Figure 4 is a schematic structural diagram of the drive axle proposed by the present utility model;

[0019] Figure 5 is a schematic diagram of the welding state of the present utility model.

[0020] In the figure: 1 bottom plate, 2 positioning ring, 3 cross-shaped support plate, 4 mounting plate, 5 positioning plate, 6 positioning hole, 7 positioning pin, 8 nut, 9 axle housing, 10 sector plate, 11 pin hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0022] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are only for the purpose of illustration and do not represent the only implementation.

[0023] Referring to Figures 1-5 , a welding fixture for a drive axle of a new energy forklift, including a bottom plate 1, on which a bridge housing positioning mechanism and a pair of sector plate positioning mechanisms are installed. The pair of sector plate positioning mechanisms are respectively located on both sides of the bridge housing positioning mechanism. The bridge housing positioning mechanism includes a positioning ring 2 for placing the bridge housing 9. The positioning ring 3 is placed horizontally. The bridge housing positioning mechanism also includes a cross-shaped support plate 3. The positioning ring 2 is fixedly installed on the top of the cross-shaped support plate 3. The bottom of the cross-shaped support plate 3 is fixedly installed on the bottom plate 1. During welding, the main body of the drive axle housing (bridge housing 9) is first placed on the bridge housing positioning mechanism, that is, on the positioning ring 2, which can stably support the drive axle.

[0024] The sector plate positioning mechanism includes a vertically installed positioning plate 5. A plurality of positioning holes 6 corresponding to the pin holes 11 on the sector plate 10 are provided on the positioning plate 5. The sector plate positioning mechanism also includes a mounting plate 4. The mounting plate 4 is fixedly installed at the bottom of the positioning plate 5. The mounting plate 4 is installed on the bottom plate 1 through a plurality of bolts. The sector plate 10 is sleeved upwards at both ends of the drive axle, and then rotated downwards to be positioned and fitted with the positioning plate 5, and the sector plate positioning mechanism is used for positioning.

[0025] Furthermore, the number of the positioning holes 6 is two, which are respectively arranged on the front and rear sides of the positioning plate 5. The number of the pin holes 11 is multiple, and the positioning holes 6 can correspond to the pin holes 11 on both sides.

[0026] The positioning between the positioning hole 6 and the corresponding pin hole 11 is carried out through a locking assembly. The locking assembly includes a positioning pin 7 and a nut 8. The positioning pin 7 is adapted to the positioning hole 6 and the pin hole 11. The nut 8 is threadedly connected to the end of the positioning pin 7. The positioning pin 7 is passed through the corresponding positioning hole 6 and the pin hole 11, and the nut 8 is tightened to carry out positioning and locking, and then welding is carried out.

[0027] Furthermore, an arc-shaped opening is provided at the top of the positioning plate 5 to facilitate the placement of the drive axle.

[0028] The main body of the drive axle welding fixture is formed by welding, machining and assembling. Components such as the axle housing positioning mechanism and the sector plate positioning mechanism are respectively installed on the main body of the fixture. During welding, the main body of the drive axle housing (axle housing 9) is first placed on the axle housing positioning mechanism, that is, on the positioning ring 2. The sector plate 10 is sleeved upwards at both ends of the drive axle, then rotated downwards to be positioned and fitted with the positioning plate 5, and the sector plate positioning mechanism is used for positioning, that is, the positioning pin 7 is passed through the corresponding positioning hole 6 and the pin hole 11, and the nut 8 is tightened for positioning and locking, and then welding is carried out. Thus, the welding of the drive axle is completed. This welding fixture is a welding fixture with a simple structure, easy to use and flexible adjustment. Using this fixture structure can improve the welding efficiency of workpieces, and can ensure the consistency of the welding dimensions of workpieces, and guarantee the product quality.

[0029] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A welding fixture for the drive axle of a new energy forklift, including a bottom plate (1), characterized in that, A bridge housing positioning mechanism and a pair of sector plate positioning mechanisms are installed on the bottom plate (1). The pair of sector plate positioning mechanisms are respectively located on both sides of the bridge housing positioning mechanism. The bridge housing positioning mechanism includes a positioning ring (2) for placing the bridge housing (9). The positioning ring (3) is horizontally placed. The sector plate positioning mechanism includes a vertically installed positioning plate (5). A plurality of positioning holes (6) corresponding to the pin holes (11) on the sector plate (10) are formed on the positioning plate (5). The positioning holes (6) and the corresponding pin holes (11) are positioned by a locking assembly.

2. The welding fixture for the drive axle of a new energy forklift according to claim 1, characterized in that, The bridge housing positioning mechanism further includes a cross-shaped support plate (3). The positioning ring (2) is fixedly installed on the top of the cross-shaped support plate (3). The bottom of the cross-shaped support plate (3) is fixedly installed on the bottom plate (1).

3. A welding fixture for a drive axle of a new energy forklift according to claim 1, characterized in that, The sector plate positioning mechanism further includes a mounting plate (4). The mounting plate (4) is fixedly installed at the bottom of the positioning plate (5). The mounting plate (4) is installed on the bottom plate (1) through a plurality of bolts.

4. A welding fixture for a drive axle of a new energy forklift according to claim 1, characterized in that, The number of the positioning holes (6) is two, which are respectively arranged on the front and rear sides of the positioning plate (5).

5. A welding fixture for a drive axle of a new energy forklift according to claim 1, characterized in that, The locking assembly includes a positioning pin (7) and a nut (8). The positioning pin (7) is adapted to the positioning hole (6) and the pin hole (11). The nut (8) is threadedly connected to the end of the positioning pin (7).

6. A welding fixture for a drive axle of a new energy forklift according to claim 1, characterized in that, An arc-shaped opening is provided at the top of the positioning plate (5).

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