Trailing and hanging integrated device for tractor

Abstract

The utility model provides a towing and hanging integrated device for a tractor, which comprises a support component, and the support component comprises a first support and a second support which have the same structure and are symmetrically arranged on two side surfaces of a transmission case shell; wherein the first bracket comprises a body part, a first mounting part and a second mounting part; the first mounting part is formed in a first area of the body part and can be used for mounting a suspension assembly; the second mounting part is formed in the second area of the body part and can be used for mounting the trailer assembly. The first support and the second support are installed on the left side and the right side of the transmission case shell respectively to serve as a support assembly, the first installation portion and the second installation portion are arranged on the first support to form an integrated installation structure, a hanging assembly and a pulling assembly can be installed on the integrated installation structure respectively, and therefore the tractor has the hanging function and the pulling function at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of lifters, in particular to an integrated towing and hanging device for a tractor. Background Art

[0002] The hitch and suspension of the tractor are mainly used to connect the tractor with the towed implements and the suspended implements. The towed implements are connected to the tractor through one or more points, and the towed implements rely on their own weight to contact the ground and passively follow the movement of the tractor. The suspended implements are connected to the tractor through the tractor's three-point suspension device, and the three-point suspension device is provided with a hoist to allow the suspended implements to be raised and lowered under the control of the suspension device.

[0003] Although the suspension device and the towing device are both integrated at the rear end of the transmission case housing, they are two different components, which results in the overall structure of the tractor being more complicated, occupying a larger space, and the height of the entire machine cannot be lowered, seriously affecting the operating comfort.

[0004] Therefore, it is necessary to provide a tractor towing and hanging integrated device to overcome the above-mentioned defects. Utility Model Content

[0005] The utility model aims to provide a towing and hanging integrated device for a tractor.

[0006] According to the utility model, a towing and suspension integrated device for a tractor is provided, comprising: a bracket assembly, the bracket assembly comprising two integrated first brackets, the two first brackets being symmetrically arranged on two sides of the transmission box housing;

[0007] Wherein, the first bracket comprises:

[0008] Body part;

[0009] A first mounting portion, formed in a first area of ​​the main body, capable of mounting a suspension assembly; the first area is defined as an overlapping area between the main body and the side surface of the transmission case housing;

[0010] The second mounting portion is formed in a second area of ​​the main body and is capable of mounting a towing assembly; the second area is defined as a non-overlapping area between the main body and the side surface of the transmission case housing.

[0011] Preferably, the first mounting portion is a first mounting seat protruding outward;

[0012] The second mounting portion is a hanging hole penetrating through the main body.

[0013] Preferably, the first bracket further comprises:

[0014] The support portion is formed in the first area of ​​the main body and is arranged perpendicular to the outer surface of the main body; the first mounting portion is arranged at the connecting corner of the main body and the support portion.

[0015] Preferably, the other side of the support portion is also connected to an extension portion extending to the outer surface of the transmission box housing.

[0016] Preferably, the inner contour of the extension portion is adapted to the outer contour of the transmission box housing and / or the attachment, and is fixedly mounted on the transmission box housing and / or the attachment.

[0017] Preferably, the first bracket further comprises:

[0018] The connecting hole is arranged on the first area of ​​the main body and can be connected to the transmission case housing; and at least one connecting hole is located on the first mounting portion and passes through the first mounting portion.

[0019] Preferably, the suspension assembly comprises:

[0020] The lifting device assembly includes two lifting arms and two lifting cylinders; one end of the lifting arm is rotatably mounted on the upper end surface of the transmission box shell, one end of the lifting cylinder is rotatably mounted on the first mounting portion, and the other end of the lifting cylinder drives the lifting arm to rotate along the lifting shaft.

[0021] Preferably, the suspension assembly further comprises:

[0022] The suspension frame assembly includes at least two lower suspension arms and at least one upper suspension arm; the lower suspension arms are respectively installed on the two side surfaces of the transmission box housing, and the lower suspension arms are connected to the lifting arms through a connecting rod; the upper suspension arm is installed on the rear end surface of the transmission box housing.

[0023] Preferably, a limit rod is disposed on the outer side of each lower suspension arm.

[0024] Preferably, the suspension assembly comprises:

[0025] A towing rack is detachably mounted on the second mounting portion.

[0026] Compared with the prior art, the integrated towing and suspension device for tractors provided by the utility model has the following beneficial effects:

[0027] The utility model installs a first bracket and a second bracket on the left and right sides of the transmission case housing respectively as a bracket assembly, and a first mounting portion and a second mounting portion are arranged on the first bracket to form an integrated mounting structure, which can respectively install a suspension assembly and a towing assembly, so that the tractor has both suspension and towing functions. In addition, an extension portion is installed at one end of the first bracket, and the extension portion extends to the outer surface of the transmission case housing and is connected thereto, so as to improve the installation stability of the entire towing and suspension integrated device while ensuring that the entire towing and suspension integrated device has a relatively high degree of integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0029] Figure 1 It is a structural schematic diagram of the integrated towing and suspension device in the utility model.

[0030] Figure 2 It is a structural schematic diagram of the lifter assembly in the utility model.

[0031] Figure 3 This is one of the structural schematic diagrams of the first bracket in the utility model.

[0032] Figure 4 This is the second structural schematic diagram of the first bracket in the utility model.

[0033] Description of reference numerals:

[0034] 1. Bracket assembly; 1a. First bracket; 1b. Second bracket; 11. Main body; 11a. First area; 11b. Second area; 12. First mounting portion; 121. First mounting seat; 13. Second mounting portion; 131. Towing hole; 14. Support portion; 15. Extension portion; 16. Connecting hole;

[0035] 2. Suspension assembly; 21. Lifter assembly; 211. Second mounting seat; 212. Lifting shaft; 213. Lifting arm; 214. Lifting cylinder; 22. Suspension frame assembly; 221. Third mounting seat; 222. Fourth mounting seat; 223. Lower suspension arm; 224. Upper suspension arm; 225. Connecting rod; 226. Limit rod;

[0036] 9. Transmission case housing. DETAILED DESCRIPTION

[0037] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0039] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0040] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0041] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0042] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0043] See attached Figures 1 to 4 The present embodiment provides an integrated towing and suspension device for a tractor, comprising a bracket assembly 1, a suspension assembly 2 and a towing assembly.

[0044] The bracket assembly 1 includes a first bracket 1a and a second bracket 1b having the same structure and symmetrically arranged on two sides of the transmission case housing 9; Figure 3, Attachment Figure 4 The first bracket 1a includes a main body 11, a first mounting portion 12, a second mounting portion 13 and a supporting portion 14; the first mounting portion 12 is formed in a first area 11a of the main body 11, and can be installed with a suspension assembly 2; the first area 11a is defined as an overlapping area between the main body 11 and the side of the transmission case housing 9; the second mounting portion 13 is formed in a second area 11b of the main body 11, and can be installed with a towing assembly; the second area 11b is defined as a non-overlapping area between the main body 11 and the side of the transmission case housing 9. The first mounting portion 12 and the second mounting portion 13 are provided on the first bracket 1a to form an integrated mounting structure, and the suspension assembly 2 and the towing assembly can be installed respectively, so that the tractor has both suspension and towing functions, reduces the overall height of the tractor, and improves the operating comfort of the tractor.

[0045] For those skilled in the art, the first mounting portion 12 and the second mounting portion 13 may be in various forms, including but not limited to: the first mounting portion 12 is a first mounting seat 121 protruding outward; the second mounting portion 13 is a towing hole 131 penetrating the main body 11 .

[0046] The support portion 14 is formed in the first area 11a of the main body 11 and is arranged perpendicular to the outer surface of the main body 11; the first mounting seat 121 is arranged at the connecting corner of the main body 11 and the support portion 14. This means that the two surfaces of the first mounting seat 121 coincide with the two right-angled surfaces of the support portion 14 and the main body 11, respectively, ensuring the structural stability of the entire first bracket 1a.

[0047] In a further embodiment, the other side of the support portion 14 is also connected to an extension portion 15 extending to the outer surface of the transmission box housing 9, and the inner contour of the extension portion 15 is adapted to the outer contour of the transmission box housing 9 and / or the attachment, and is fixedly mounted on the transmission box housing 9 and / or the attachment, thereby improving the installation stability while ensuring that the entire towing and suspension integrated device has a relatively high degree of integration. For those skilled in the art, the extension portion 15 can be an integrated structure with the first bracket 1a, or it can be a split structure. In this embodiment, considering the processing cost of the first bracket 1a, this embodiment adopts a split structure, and the connection between the extension portion 15 and the support portion 14 is achieved by bolts.

[0048] In order to achieve the connection between the first bracket 1a and the transmission box housing 9, the first bracket 1a also includes: a plurality of connecting holes 16; the connecting holes 16 are arranged on the first area 11a of the main body 11, and the connection between the first bracket 1a and the transmission box housing 9 can be achieved by bolts; and there is at least one connecting hole 16 located on the first mounting portion 12 and passes through the first mounting portion 12, which can further improve the connection stability between the first bracket 1a and the transmission box housing 9.

[0049] The suspension assembly 2 includes: a lifter assembly 21 and a suspension frame assembly 22. The lifter assembly 21 includes two lift arms 213 and two lift cylinders 214. A second mounting seat 211 is also provided on the upper end surface of the transmission case housing 9, and a lift shaft is mounted on the second mounting seat 211. One end of the lift arm 213 is rotatably mounted on one end of the lift shaft, and one end of the lift cylinder 214 is rotatably mounted on the first mounting portion 12. The other end of the lift cylinder 214 drives the lift arm 213 to rotate along the lift shaft 212, thereby realizing the rotation of the lift arm 213. The suspension frame assembly 22 includes two lower suspension arms 223 and an upper suspension arm 224; third mounting seats 221 are respectively installed on both sides of the transmission case housing 9, the lower suspension arms 223 are respectively installed on the third mounting seats 221, and the lower suspension arms 223 are connected to the lifting arms 213 through connecting rods 225, and the rotation of the lifting arms 213 drives the rotation of the two lower suspension arms 223 to achieve the control of the suspended agricultural implement. In addition, a limit rod 226 is configured on the outer side of the lower suspension arm 223 to limit the swing amplitude of the lower suspension arm 223, so as to avoid interference between the suspension frame assembly 22 and / or the suspended agricultural implement and the tire of the tractor, thereby forming a safety hazard. A fourth mounting seat 222 is installed on the rear end surface of the transmission case housing 9, and the upper suspension arm 224 is installed on the fourth mounting seat 222.

[0050] The suspension assembly 2 includes a towing frame, which is detachably mounted on the second mounting portion 13. The towing frame is assembled on the integrated second mounting portion 13 through a connecting pin shaft to connect the trailer and the tow vehicle for towing operation.

[0051] It will be apparent to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A tractor towing and suspension integrated device, characterized in that: include: A bracket assembly, the bracket assembly comprising a first bracket and a second bracket having the same structure and symmetrically arranged on two sides of the transmission case housing; Wherein, the first bracket comprises: Body part; A first mounting portion, formed in a first area of ​​the main body, capable of mounting a suspension assembly; the first area is defined as an overlapping area between the main body and the side surface of the transmission case housing; The second mounting portion is formed in a second area of ​​the main body and is capable of mounting a towing assembly; the second area is defined as a non-overlapping area between the main body and the side surface of the transmission case housing.

2. The integrated towing and suspension device for a tractor according to claim 1, characterized in that: The first mounting portion is a first mounting seat protruding outward; The second mounting portion is a hanging hole penetrating through the main body.

3. The integrated towing and suspension device for a tractor according to claim 1 or 2, characterized in that: The first bracket also includes: The support portion is formed in the first area of ​​the main body and is arranged perpendicular to the outer surface of the main body; the first mounting portion is arranged at the connecting corner of the main body and the support portion.

4. The integrated towing and suspension device for a tractor according to claim 3, characterized in that: The other side of the support portion is also connected to an extension portion extending to the outer surface of the transmission box housing.

5. The integrated towing and suspension device for a tractor according to claim 4, characterized in that: The inner contour of the extension portion is adapted to the outer contour of the transmission case housing and / or the attachment, and is fixedly mounted on the transmission case housing and / or the attachment.

6. The integrated towing and suspension device for a tractor according to claim 1, characterized in that: The first bracket also includes: The connecting hole is arranged on the first area of ​​the main body and can be connected to the transmission case housing; and at least one connecting hole is located on the first mounting portion and passes through the first mounting portion.

7. The integrated towing and suspension device for a tractor according to claim 1, characterized in that: The suspension assembly comprises: The lifting device assembly includes two lifting arms and two lifting cylinders; one end of the lifting arm is rotatably mounted on the upper end surface of the transmission box shell, one end of the lifting cylinder is rotatably mounted on the first mounting portion, and the other end of the lifting cylinder drives the lifting arm to rotate along the lifting shaft.

8. The integrated towing and suspension device for a tractor according to claim 7, characterized in that: The suspension assembly also includes: The suspension frame assembly includes at least two lower suspension arms and at least one upper suspension arm; the lower suspension arms are respectively installed on the two side surfaces of the transmission box housing, and the lower suspension arms are connected to the lifting arms through a connecting rod; the upper suspension arm is installed on the rear end surface of the transmission box housing.

9. The integrated towing and suspension device for a tractor according to claim 8, characterized in that: The outer sides of the lower suspension arms are each provided with a limit rod.

10. The integrated towing and suspension device for a tractor according to claim 1, characterized in that: The suspension assembly comprises: A towing rack is detachably mounted on the second mounting portion.

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