Steering assembly of wheeled tractor

Abstract

The utility model relates to the technical field of tractor steering, in particular to a wheel type tractor steering assembly, which comprises a steering mechanism and a fixing mechanism, the steering mechanism comprises a universal joint, the universal joint comprises a cross shaft, a driven connecting shaft and a driving connecting shaft, and the driven connecting shaft and the driving connecting shaft are connected with the cross shaft. A supporting mechanism is arranged on the outer side of the driven connecting shaft and the outer side of the driving connecting shaft, a driving mounting shaft sleeve is arranged at the tail end of the driving connecting shaft, a driven mounting shaft sleeve is arranged at the tail end of the driven connecting shaft, and positioning grooves are formed in the driving mounting shaft sleeve and the driven mounting shaft sleeve correspondingly. Corrugated rubber sleeves are arranged on the outer sides of the steering mechanism, the driving installation shaft sleeve and the driven installation shaft sleeve, the two ends of the corrugated rubber sleeves are located in the positioning grooves, and the fixing mechanisms are installed in the positioning grooves. The universal joint has the advantages that the protection mechanism is arranged, the steering assembly can be protected, and dust can be prevented from entering the universal joint pin.

Description

Technical Field

[0001] The utility model relates to the technical field of tractor steering, in particular to a steering component for a wheeled tractor. Background Art

[0002] A wheeled tractor is a type of tractor whose running gear is wheels. (Unlike crawler tractors) There are many types, such as two-wheel (walk-behind tractors) and four-wheel. They are further divided into rear-wheel drive and four-wheel drive. High-horsepower wheeled tractors have better traction performance and are suitable for large farms equipped with wide-width agricultural implements for high-speed operation. The tractor can move by relying on the power of the internal combustion engine through the transmission system, so that the drive wheels obtain driving torque Mk. The driving wheels, which obtain driving torque, then apply a small, backward horizontal force (tangential force) to the ground through the tire pattern and tire surface. The ground reacts with a horizontal reaction force Pk of equal magnitude and opposite direction to the driving force. This Pk reaction force is the driving force (also called feed propulsion) that propels the tractor forward.

[0003] A steering assembly is required for steering a wheeled tractor, and the steering assembly is mainly a universal joint. Currently, the universal joint is not provided with a protective mechanism during steering. During use, dust will enter the cross shaft, and the dust will affect the rotation of the universal joint, thereby affecting the steering work of the wheeled tractor and causing inconvenience to the use of the universal joint. Utility Model Content

[0004] The purpose of the utility model is to provide a wheeled tractor steering assembly, which has the advantages of being provided with a protection mechanism, being able to protect the steering assembly and prevent dust from entering the cross shaft, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wheeled tractor steering assembly, comprising a steering mechanism and a fixing mechanism, wherein the steering mechanism comprises a universal joint, and the universal joint comprises:

[0006] A cross shaft and a driven connecting shaft and a driving connecting shaft connected thereto, wherein a support mechanism is provided on the outer sides of the driven connecting shaft and the driving connecting shaft;

[0007] The end of the active connecting shaft is provided with an active mounting sleeve, and the end of the driven connecting shaft is provided with a driven mounting sleeve;

[0008] The active mounting sleeve and the driven mounting sleeve are both provided with positioning grooves, and the steering mechanism, the active mounting sleeve and the driven mounting sleeve are provided with corrugated rubber sleeves on the outside. Both ends of the corrugated rubber sleeves are located in the positioning grooves, and the fixing mechanism is installed in the positioning grooves.

[0009] When using the wheeled tractor steering assembly of the utility model,

[0010] Place both ends of the corrugated rubber sleeve in the positioning groove, then install the fixing mechanism in the positioning groove, position the left positioning plate and the right positioning plate symmetrically in the positioning groove, and connect and fix the left positioning plate and the right positioning plate through the fixing holes on the fixing plate with bolts and bolts. With the cooperation of the left positioning plate and the right positioning plate, the two ends of the corrugated rubber sleeve can be pressed into the positioning groove. The corrugated rubber sleeve can protect the steering assembly and prevent dust from entering the cross shaft of the universal joint. The support ring can support the corrugated rubber sleeve to prevent friction between the corrugated rubber sleeve and the universal joint.

[0011] Preferably, shaft mounting holes are provided at the ends of the active mounting sleeve and the driven mounting sleeve.

[0012] Preferably, the active mounting sleeve and the driven mounting sleeve are both provided with mounting holes penetrating the active mounting sleeve and the driven mounting sleeve, the mounting holes are communicated with the shaft mounting holes, and mounting bolts are inserted into the mounting holes.

[0013] Preferably, the fixing mechanism includes:

[0014] A left positioning plate and a right positioning plate are both installed with symmetrically distributed fixing plates, fixing holes are opened on the fixing plates, and the left positioning plate and the right positioning plate are fixedly connected by bolts and nuts.

[0015] Preferably, the left positioning plate and the right positioning plate are both arranged in an arc shape, and the left positioning plate and the right positioning plate are circular after being connected.

[0016] Preferably, the support mechanism includes:

[0017] The support rod and the support ring are provided with two symmetrically mounted on the outer surfaces of the driven connecting shaft and the active connecting shaft, and the support ring is mounted at the end of the support rod, and the support ring is located on the outer sides of the driven connecting shaft and the active connecting shaft.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] During use, the corrugated rubber sleeve is located on the outside of the steering mechanism. The corrugated rubber sleeve can protect the steering assembly and prevent dust from entering the cross shaft of the universal joint. The support ring can support the corrugated rubber sleeve to prevent friction between the corrugated rubber sleeve and the universal joint, thereby preventing the corrugated rubber sleeve from affecting the steering work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the first partial front view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the second partial front view structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model from the front.

[0024] The reference numerals and names in the figures are as follows:

[0025] 101. Steering mechanism; 102. Universal joint; 103. Driven connecting shaft; 104. Active connecting shaft; 201. Active mounting sleeve; 202. Driven mounting sleeve; 203. Mounting bolt; 204. Positioning groove; 301. Fixing mechanism; 302. Left positioning plate; 303. Right positioning plate; 304. Fixing plate; 401. Corrugated rubber sleeve; 501. Support mechanism; 502. Support rod; 503. Support ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figures 1 to 4 The present invention provides an embodiment of a wheeled tractor steering assembly, comprising:

[0029] The steering mechanism 101 and the fixing mechanism 301 include: a universal joint 102; and the universal joint 102 includes:

[0030] A cross shaft and a driven connecting shaft 103 and a driving connecting shaft 104 connected thereto, wherein a support mechanism 501 is provided on the outer sides of the driven connecting shaft 103 and the driving connecting shaft 104;

[0031] The end of the active connecting shaft 104 is provided with an active mounting sleeve 201, and the end of the passive connecting shaft 103 is provided with a passive mounting sleeve 202;

[0032] A positioning groove 204 is provided on the active mounting sleeve 201 and the driven mounting sleeve 202. A corrugated rubber sleeve 401 is provided on the outside of the steering mechanism 101, the active mounting sleeve 201 and the driven mounting sleeve 202. Both ends of the corrugated rubber sleeve 401 are located in the positioning groove 204. The fixing mechanism 301 is installed in the positioning groove 204.

[0033] In this embodiment, during use, the active mounting sleeve 201 is connected to the active shaft on one side of the steering wheel, and the driven mounting sleeve 202 is connected to the driven output shaft on one side of the tractor wheel. The steering wheel controls the rotation of the active connecting shaft 104, thereby rotating the driven connecting shaft 103 and controlling the steering of the wheel. During use, the corrugated rubber sleeve 401 can protect the steering assembly and prevent dust from entering the cross shaft of the universal joint 102.

[0034] Further,

[0035] The ends of the active mounting sleeve 201 and the driven mounting sleeve 202 are both provided with shaft mounting holes.

[0036] The shaft mounting holes are provided for installing the active mounting sleeve 201 and the driven mounting sleeve 202 . The active shaft on the steering wheel side is plugged into the active mounting sleeve 201 , and the driven output shaft on the tractor wheel side is plugged into the driven mounting sleeve 202 .

[0037] Further,

[0038] The active mounting sleeve 201 and the driven mounting sleeve 202 are both provided with mounting holes penetrating the active mounting sleeve 201 and the driven mounting sleeve 202 . The mounting holes are communicated with the shaft mounting holes, and mounting bolts 203 are inserted into the mounting holes.

[0039] The mounting bolt 203 can be limited by inserting it into the mounting hole and the limiting hole of the driving shaft on the steering wheel side or the driven output shaft on the tractor wheel side. Then a nut is installed at the end of the mounting bolt 203 to complete the installation of the utility model.

[0040] Example 2

[0041] See also Figures 1 to 4 The present invention provides an embodiment of a wheeled tractor steering assembly. Compared with the first embodiment, this embodiment further includes:

[0042] The fixing mechanism 301 includes:

[0043] The left positioning plate 302 and the right positioning plate 303 are both mounted with symmetrically distributed fixing plates 304 , fixing holes are provided on the fixing plates 304 , and the left positioning plate 302 and the right positioning plate 303 are fixedly connected by bolts and nuts.

[0044] In this embodiment, when the corrugated rubber sleeve 401 is installed, its two ends are located in the positioning groove 204, and then the fixing mechanism 301 is installed in the positioning groove 204, and the left positioning plate 302 and the right positioning plate 303 are symmetrically located in the positioning groove 204, and the left positioning plate 302 and the right positioning plate 303 are connected and fixed through the fixing holes on the fixing plate 304 and the bolts. With the cooperation of the left positioning plate 302 and the right positioning plate 303, the two ends of the corrugated rubber sleeve 401 can be pressed into the positioning groove 204, thereby completing the installation of the corrugated rubber sleeve 401.

[0045] Further,

[0046] The left positioning plate 302 and the right positioning plate 303 are both arranged in an arc shape, and the left positioning plate 302 and the right positioning plate 303 are circular after being connected.

[0047] The arc-shaped arrangement of the left positioning plate 302 and the right positioning plate 303 is used to match the shape of the positioning groove 204 , so as to facilitate the fixed installation of the corrugated rubber sleeve 401 .

[0048] Example 3

[0049] See also Figures 1 to 4 The present invention provides an embodiment of a wheeled tractor steering assembly. Compared with the first embodiment, this embodiment further includes:

[0050] The support mechanism 501 includes:

[0051] The support rod 502 and the support ring 503 are provided with two symmetrically mounted on the outer surfaces of the driven connecting shaft 103 and the active connecting shaft 104, and the support ring 503 is mounted at the end of the support rod 502, and the support ring 503 is located on the outer sides of the driven connecting shaft 103 and the active connecting shaft 104.

[0052] In this embodiment, during use of the present invention, the support ring 503 can support the corrugated rubber sleeve 401 , thereby preventing the corrugated rubber sleeve 401 from generating friction with the universal joint 102 and preventing the steering operation from being affected.

[0053] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A wheeled tractor steering assembly, comprising a steering mechanism (101) and a fixing mechanism (301), characterized in that: The steering mechanism (101) includes a universal joint (102), and the universal joint (102) includes: A cross shaft and a driven connecting shaft (103) and a driving connecting shaft (104) connected thereto, wherein a support mechanism (501) is provided on the outer sides of the driven connecting shaft (103) and the driving connecting shaft (104); The end of the active connecting shaft (104) is provided with an active mounting sleeve (201), and the end of the passive connecting shaft (103) is provided with a passive mounting sleeve (202); The active mounting sleeve (201) and the driven mounting sleeve (202) are both provided with positioning grooves (204); a corrugated rubber sleeve (401) is provided on the outer sides of the steering mechanism (101), the active mounting sleeve (201) and the driven mounting sleeve (202); both ends of the corrugated rubber sleeve (401) are located in the positioning grooves (204); and the fixing mechanism (301) is installed in the positioning grooves (204).

2. A wheeled tractor steering assembly according to claim 1, characterized in that: The ends of the active mounting sleeve (201) and the driven mounting sleeve (202) are both provided with shaft mounting holes.

3. A wheeled tractor steering assembly according to claim 1, characterized in that: The active mounting sleeve (201) and the driven mounting sleeve (202) are both provided with mounting holes penetrating the active mounting sleeve (201) and the driven mounting sleeve (202), the mounting holes are communicated with the shaft mounting holes, and mounting bolts (203) are inserted into the mounting holes.

4. A wheeled tractor steering assembly according to claim 1, characterized in that: The fixing mechanism (301) comprises: A left positioning plate (302) and a right positioning plate (303) are provided, wherein the left positioning plate (302) and the right positioning plate (303) are both provided with symmetrically distributed fixing plates (304), fixing holes are provided on the fixing plates (304), and the left positioning plate (302) and the right positioning plate (303) are fixedly connected by bolts and nuts.

5. A wheeled tractor steering assembly according to claim 4, characterized in that: The left positioning plate (302) and the right positioning plate (303) are both arranged in an arc shape, and the left positioning plate (302) and the right positioning plate (303) are circular after being connected.

6. A wheeled tractor steering assembly according to claim 1, characterized in that: The support mechanism (501) comprises: A support rod (502) and a support ring (503), wherein the support rod (502) is provided with two outer surfaces symmetrically mounted on the driven connecting shaft (103) and the driving connecting shaft (104), and the support ring (503) is mounted at the end of the support rod (502), and the support ring (503) is located outside the driven connecting shaft (103) and the driving connecting shaft (104).

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