Forklift drive axle connecting device

Abstract

The utility model provides a forklift drive axle connecting device. The forklift drive axle connecting device comprises a connecting base, a highly-matched bolt and a common bolt. Highly-matched bolts are arranged at the positions, prone to relative movement, of the connecting base, and a plurality of common bolts are arranged at other positions of the connecting base. According to the utility model, through the arrangement of the connecting seat, the high-configuration bolt and the common bolt, the high-configuration bolt is used for connecting the connecting seat and the drive axle shell which are easy to move relatively, so that the failure risk caused by overlarge loading weight of the portal frame is avoided, and meanwhile, the common bolt is used at the other positions which are not easy to move relatively, so that the cost is reduced; the connecting base and the drive axle shell are not integrated, when a forklift with a larger tonnage needs to be adapted, only the number of common bolts needs to be increased, and the drive axle shell does not need to be redesigned.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial vehicle technical field, concretely is a forklift drive axle connecting device. BACKGROUND

[0002] At present, the main mode of forklift drive axle and forklift portal connection is reserving portal connection interface on drive axle shell, and connecting through half seat, but because the goods carried by forklift portal is heavy, the portal connection interface reserved on drive axle shell is designed to be relatively strong, and more materials are consumed, meanwhile, once the forklift drive axle needs to adapt to larger tonnage forklift, the drive axle shell needs to become stronger, more materials are consumed, and mold needs to be developed, so that the cost increases. SUMMARY

[0003] The utility model solves the technical problem of how to make forklift drive axle connect different tonnage forklift portal.

[0004] The utility model solves the above technical problem through the following technical scheme:

[0005] A forklift drive axle connecting device, including connecting seat (1), high -grade bolt (3), ordinary bolt (4), the position of connecting seat (1) of easy relative movement is provided with high -grade bolt (3), and the other positions of connecting seat (1) are provided with multiple ordinary bolts (4).

[0006] Beneficial effect: through the setting of connecting seat, high -grade bolt and ordinary bolt, using high -grade bolt to connect in the position of connecting seat and drive axle shell that is easy to move relative, avoid the failure risk caused by the portal load weight being too large, and the rest of the positions that are not easy to move relative use ordinary bolt, reduce the cost, the connecting seat is not integral with the drive axle shell, when needing to adapt to larger tonnage forklift, the number of ordinary bolts can be increased, and the drive axle shell does not need to be redesigned.

[0007] Further, the front and rear ends of the connecting seat (1) are provided with high-grade bolts (3), and a plurality of ordinary bolts (4) are arranged on the connecting seat (1) between the two high-grade bolts (3).

[0008] Beneficial effect: the front and rear ends of the connecting seat are positions that are easy to move relative, and are provided with high-grade bolts, which can effectively prevent the connecting seat and the forklift drive axle shell from moving relative due to the weight of the forklift portal.

[0009] Further, the vertical cross section of the connecting seat (1) is arranged in a ladder shape.

[0010] Further, the connecting seat (1) is made of cast iron.

[0011] Further, the cast iron is gray cast iron or nodular cast iron.

[0012] Beneficial effect: through the setting of the connecting seat material, the cost of cast iron is low, effectively saving the production cost.

[0013] Further, the high-fit bolt (3) comprises a rod body (32), the rod body (32) comprises a high-fit shaft (321) and a threaded shaft (322), the high-fit shaft (321) is fixedly connected with the threaded shaft (322), and the diameter of the threaded shaft (322) is smaller than that of the high-fit shaft (321).

[0014] Beneficial effect: through the setting of the high-fit shaft and the threaded shaft, the side of the high-fit shaft close to the threaded shaft is fixedly connected with the connecting seat and the connecting position of the forklift driving axle shell, the threaded shaft is fixedly screwed with the forklift driving axle shell, and relative movement of the connecting seat and the forklift driving axle shell due to the weight of the forklift portal frame can be effectively prevented.

[0015] Further, the high-fit bolt (3) further comprises a head body (31) fixed with the free end of the high-fit shaft (321).

[0016] Further, the high-fit bolt (3) is a hinge hole bolt.

[0017] Further, the connecting seat (1) is provided with a fixing assembly (2), and the connecting seat (1) can be fixed with the forklift portal frame (5) through the fixing assembly (2).

[0018] Further, the fixing assembly (2) comprises a pin shaft (21) and a fixing bolt (22), the pin shaft (21) penetrates through the connecting seat (1) and is fixed, and the side of the pin shaft (21) close to the forklift portal frame (5) is fixed with the forklift portal frame (5) through the fixing bolt (22). BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an assembly perspective view of the forklift driving axle connecting device (low tonnage) of the utility model embodiment one;

[0020] Figure 2 It is an assembly perspective view of the forklift driving axle connecting device (high tonnage) of the utility model embodiment one;

[0021] Figure 3 It is an assembly front sectional view of the forklift driving axle connecting device of the utility model embodiment one;

[0022] Figure 4 It is a schematic view of the high-fit bolt in the forklift driving axle connecting device of the utility model embodiment one. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Example 1

[0025] like Figure 1 As shown, this embodiment provides a forklift drive axle connection device, including a connecting seat 1, a fixing component 2, a high-end bolt 3, and a common bolt 4.

[0026] like Figure 1 , Figure 2 As shown, the connecting seat 1 has an irregular shape. In this embodiment, the vertical cross-section of the connecting seat 1 is trapezoidal. The side of the connecting seat 1 closest to the forklift mast 5 is fixed to the forklift mast 5 by the fixing component 2. The side of the connecting seat 1 closest to the forklift drive axle housing 6 is fixed by high-grade bolts 3 and ordinary bolts 4. The front and rear ends of the connecting seat 1, which are prone to relative movement, are fixed by high-grade bolts 3. Other parts of the connecting seat 1 are fixed by multiple ordinary bolts 4. In this embodiment, multiple ordinary bolts 4 are arranged between two high-grade bolts 3. The number of ordinary bolts 4 is set according to the tonnage of the forklift. The larger the tonnage of the forklift, the more ordinary bolts 4 are required. The cost of high-grade bolts 3 is higher than that of ordinary bolts 4. The connecting seat 1 is made of cast iron, specifically gray cast iron or ductile iron.

[0027] like Figure 1 As shown, the fixing component 2 includes a pin 21 and a fixing bolt 22. The pin 21 passes through the connecting seat 1 and is fixed. The side of the pin 21 near the forklift mast 5 is fixed to the forklift mast 5 by the fixing bolt 22.

[0028] like Figure 1 , Figure 3 , Figure 4 As shown, the high-profile bolt 3 includes a head body 31 and a rod body 32. The head body 31 and the rod body 32 are integrally formed. The rod body 32 includes a high-profile shaft 321 and a threaded shaft 322. One end of the high-profile shaft 321 is fixed to the head body 31, and the other end of the high-profile shaft 321 is fixed to the threaded shaft 322. The diameter of the threaded shaft 322 is smaller than the diameter of the high-profile shaft 321. The side of the high-profile shaft 321 near the threaded shaft 322 is interference-fitted with the connection point between the connecting seat 1 and the forklift drive axle housing 6. The high-profile bolt 3 is a reamed hole bolt.

[0029] In use, the connecting seat 1 is connected with the forklift mast 5 through the fixing assembly 2, then the two high-fit bolts 3 are respectively penetrated through the front and rear ends of the connecting seat 1 and the forklift drive axle shell 6, the head body 31 abuts against the connecting seat 1, the high-fit shaft 321 is fixed in interference fit with the connecting part of the connecting seat 1 and the forklift drive axle shell 6 on the side close to the threaded shaft 322, the threaded shaft 322 is fixed in screw thread with the forklift drive axle shell 6, which can effectively prevent the relative movement of the connecting seat 1 and the forklift drive axle shell 6 due to the weight of the forklift mast 5; the other parts of the connecting seat 1 and the forklift drive axle shell 6 are penetrated and fixed with a plurality of ordinary bolts 4, the force borne can be shared by the ordinary bolts 4, the number of the ordinary bolts 4 is set according to the tonnage of the forklift, the greater the tonnage of the forklift, the more the number of the ordinary bolts 4, when the device is used to adapt to a larger tonnage forklift, only the number of the ordinary bolts 4 needs to be increased, and the change is small.

[0030] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A forklift drive axle connection device, characterized in that, The connecting seat (1), the high-fit bolt (3), and the common bolt (4); The high-fit bolt (3) is arranged at a position of the connecting seat (1) prone to relative movement, and a plurality of common bolts (4) are arranged at other positions of the connecting seat (1).

2. The fork truck drive axle connection of claim 1, wherein: The high-fit bolt (3) is arranged at the front end and the rear end of the connecting seat (1), and a plurality of common bolts (4) are arranged on the connecting seat (1) between the two high-fit bolts (3).

3. The fork truck drive axle connection of claim 1, wherein: The vertical section of the connecting seat (1) is in a trapezoidal shape.

4. The fork truck drive axle connection of claim 1, wherein: The connecting seat (1) is made of cast iron.

5. The fork truck drive axle connection of claim 4, wherein: The cast iron is gray cast iron or nodular cast iron.

6. The fork truck drive axle connection of claim 1, wherein: The high-fit bolt (3) comprises a rod body (32), and the rod body (32) comprises a high-fit shaft (321) and a threaded shaft (322), wherein the high-fit shaft (321) is fixedly connected with the threaded shaft (322), and the diameter of the threaded shaft (322) is smaller than that of the high-fit shaft (321).

7. The fork truck drive axle connection of claim 6, wherein: The high-fit bolt (3) further comprises a head body (31) fixedly connected with the free end of the high-fit shaft (321).

8. The fork truck drive axle connection of claim 1, wherein: The high-fit bolt (3) is a hinge hole bolt.

9. The fork truck drive axle connection of claim 1, wherein: The connecting seat (1) is provided with a fixing assembly (2), and the connecting seat (1) can be fixed with the forklift mast (5) through the fixing assembly (2).

10. The fork truck drive axle connection of claim 9, wherein: The fixing assembly (2) comprises a pin shaft (21) and a fixing bolt (22), wherein the pin shaft (21) penetrates through the connecting seat (1) and is fixed, and the side of the pin shaft (21) close to the forklift mast (5) is fixed with the forklift mast (5) through the fixing bolt (22).

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