CN103692870A - Tractor traction device - Google Patents

Abstract

The invention provides a tractor traction device, which is installed between the transfer case and the vehicle frame, including a first traction frame connected to the transfer case, and a second traction frame connected to the end of the first traction frame away from the transfer case. A pin shaft, which is perpendicular to the axial direction of the first traction frame, and the first traction shaft bearing connected with the first pin shaft, also includes: a second traction frame, connected to the first traction shaft opposite at the other end of the first pin shaft and extends along the axial direction of the first traction shaft; the second pin shaft is perpendicular to the axial direction of the second traction frame and is installed horizontally on the first traction frame The end of the second traction frame; the second traction shaft, one end of which is connected with the second pin bearing, and the other end is welded with the vehicle frame. The invention adopts two sets of pin shafts and traction shafts to connect between the transfer case of the tractor and the vehicle frame, so as to realize freer rotation of the vehicle frame and the front axle.

Description

tractor puller

technical field

The invention relates to the field of traction device structure, in particular to a tractor traction device.

Background technique

In the traditional tractor traction device, between the transfer case and the frame, the traction frame is firmly welded to the transfer case in the form of welding, and the pin shaft is installed in the vertical direction, so that the traction shaft can rotate horizontally with the pin shaft as the center of the circle through the bearing. In this way, the rear wheels can realize the rotation in the horizontal direction corresponding to the front wheels, but in the actual operation process, the rear wheels also need to realize the vertical movement up and down.

Contents of the invention

In order to solve the above problems, the present invention provides a tractor traction device, which is installed between the transfer case and the vehicle frame, and includes a first traction frame connected to the transfer case, connected to the first traction frame away from the The first pin shaft at one end of the moving box, which is perpendicular to the axial direction of the first traction frame, and the first traction shaft connected with the first pin shaft bearing, also includes:

a second traction frame, connected to the other end of the first traction shaft relative to the first pin shaft, and extending along the axial direction of the first traction shaft;

the second pin shaft is perpendicular to the axial direction of the second lug frame and is installed horizontally at the end of the second lug frame,

One end of the second traction shaft is connected with the second pin bearing, and the other end is welded with the vehicle frame.

Preferably, in the tractor traction device, the first traction frame is Y-shaped, and its two Y-shaped bifurcated ends are respectively bearing-connected to the two ends of the first pin shaft; the second traction frame It is arranged horizontally in a U shape, and its closed end is welded to the first traction shaft, and a first pin hole is arranged on the end wall of the open end, and the first pin hole is connected to the second pin shaft.

Preferably, in the tractor traction device, a second pin hole is further provided on the first draw frame, and there are a plurality of second pin holes, along the axial direction of the first draw frame Spaced out.

Preferably, in the tractor traction device, the two ends of the Y-shaped draw frame are parallel to each other, and a plurality of supporting ribs are vertically arranged between the two ends.

Preferably, in the tractor traction device, the bearing is an anti-friction bearing.

Preferably, in the tractor traction device, the first traction frame, the first pin shaft, the first traction shaft, the second traction frame, the second pin shaft, and the The second traction shaft is all malleable cast iron.

Preferably, in the tractor traction device, a bearing seat and a bearing cover are installed on the bearing, and the bearing seat and the bearing cover are fixed with screws.

Preferably, in the tractor traction device, a sealing device is also provided on the bearing seat and the bearing cover.

Preferably, in the tractor traction device, a pressure-injected oil cup is also arranged on the bearing cover.

The invention provides a tractor traction device, which is installed between the transfer case and the vehicle frame, including a first traction frame connected to the transfer case, and a second traction frame connected to the end of the first traction frame away from the transfer case. A pin shaft, which is perpendicular to the axial direction of the first traction frame, and the first traction shaft bearing connected with the first pin shaft, also includes: a second traction frame, connected to the first traction shaft opposite at the other end of the first pin shaft and extends along the axial direction of the first traction shaft; the second pin shaft is perpendicular to the axial direction of the second traction frame and is installed horizontally on the first traction frame The ends of the two traction frames; the second traction shaft, one end of which is connected with the second pin bearing, and the other end is welded with the vehicle frame. In the present invention, two sets of pin shafts and traction shafts are used to connect between the transfer case of the tractor and the vehicle frame. The second pin shaft is circular to rotate vertically, so that the vehicle frame and the front axle can rotate more freely.

Description of drawings

Fig. 1 is the front view of the tractor pulling device of the invention,

Fig. 2 is a top view of the inventive tractor tractor.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

The present invention provides a tractor traction device, which is installed between the transfer case and the vehicle frame, including a first traction frame 1 connected to the transfer case, connected to an end of the first traction frame 1 away from the transfer case The first pin shaft 2, which is perpendicular to the axial direction of the first traction frame 1, and the first traction shaft 3 connected with the first pin shaft bearing 5, also includes:

The second traction frame 7 is connected to the other end of the first traction shaft 3 relative to the first pin shaft 2 and extends along the axial direction of the first traction shaft 3;

The second pin shaft 8 is perpendicular to the axial direction of the second traction frame 7 and is installed horizontally at the end of the second traction frame 7,

The second traction shaft 9 is bearing-connected at one end with the second pin shaft 8, and welded with the vehicle frame at the other end.

In the tractor traction device, the first traction frame 1 is Y-shaped, and its two Y-shaped bifurcated ends are respectively bearing-connected to the two ends of the first pin shaft 2; the second traction frame 7 is The U-shape is arranged horizontally, and its closed end is welded to the first traction shaft 3 , and a first pin hole is arranged on the end wall of the open end, and the first pin hole is connected to the second pin shaft 8 .

In the tractor traction device, second pin holes are also provided on the first draw frame 1, and there are a plurality of second pin holes arranged at intervals along the axial direction of the first draw frame 1 .

In the tractor pulling device, the two ends of the Y-shaped draw frame are parallel to each other, and a plurality of supporting ribs are vertically arranged between the two ends.

In the tractor traction device, the bearing 5 is a wear-resistant bearing.

In the tractor pulling device, the first traction frame 1, the first pin shaft 2, the first traction shaft 3, the second traction frame 7, the second pin shaft 8, and the The second traction shaft 9 is all malleable cast iron.

In the tractor traction device, a bearing seat and a bearing cover 4 are installed on the bearing 5, and the bearing seat and the bearing cover 4 are fixed with screws 6.

In the tractor traction device described above, a sealing device is also provided on the bearing seat and the bearing cover 4 .

In the tractor traction device described above, a pressure-injected oil cup is also arranged on the bearing cover.

The invention provides a tractor traction device, which is installed between the transfer case and the vehicle frame, including a first traction frame connected to the transfer case, and a second traction frame connected to the end of the first traction frame away from the transfer case. A pin shaft, which is perpendicular to the axial direction of the first traction frame, and the first traction shaft bearing connected with the first pin shaft, also includes: a second traction frame, connected to the first traction shaft opposite at the other end of the first pin shaft and extends along the axial direction of the first traction shaft; the second pin shaft is perpendicular to the axial direction of the second traction frame and is installed horizontally on the first traction frame The ends of the two traction frames; the second traction shaft, one end of which is connected with the second pin bearing, and the other end is welded with the vehicle frame. In the present invention, two sets of pin shafts and traction shafts are used to connect between the transfer case of the tractor and the vehicle frame. The second pin shaft is circular to rotate vertically, so that the vehicle frame and the front axle can rotate more freely.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1. A tractor traction device, which is installed between the transfer case and the vehicle frame, comprises a first draw frame connected to the transfer case, and a first draw frame connected to one end of the first draw frame away from the transfer case. The pin shaft, which is perpendicular to the axial direction of the first traction frame, and the first traction shaft bearing-connected with the first pin shaft, are characterized in that, further comprising: a second traction frame, connected to the other end of the first traction shaft relative to the first pin shaft, and extending along the axial direction of the first traction shaft; the second pin shaft is perpendicular to the axial direction of the second lug frame and is installed horizontally at the end of the second lug frame, One end of the second traction shaft is connected with the second pin bearing, and the other end is welded with the vehicle frame. 2. tractor traction device as claimed in claim 1, is characterized in that, described first draw frame is Y-type, and its two Y-type bifurcated ends are respectively bearing-connected to the two ends of described first bearing pin; The second traction frame is arranged horizontally in a U shape, and its closed end is welded to the first traction shaft, and a first pin hole is arranged on the end wall of the open end, and the first pin hole is connected to the second pin shaft. 3. The tractor traction device according to claim 1, characterized in that, a second pin hole is also provided on the first draw frame, and there are a plurality of second pin holes along the first traction frame. The racks are arranged at intervals in the axial direction. 4. The tractor traction device according to claim 2, wherein the two ends of the Y-shaped draw frame are parallel to each other, and a plurality of supporting ribs are vertically arranged between the two ends. 5. The tractor pulling device according to claim 1, wherein the bearing is an anti-friction bearing. 6. The tractor traction device according to claim 1, wherein the first traction frame, the first pin shaft, the first traction shaft, the second traction frame, the second pin Both the shaft and the second traction shaft are malleable cast iron. 7. The tractor traction device according to claim 1, characterized in that, a bearing seat and a bearing cover are installed on the bearing, and the bearing seat and the bearing cover are fixed with screws. 8. The tractor traction device according to claim 7, characterized in that a sealing device is also provided on the bearing seat and the bearing cover. 9. The tractor traction device according to claim 7, characterized in that, a pressure-injected oil cup is also arranged on the bearing cover.

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