Half shaft shell structure and crawler tractor

Abstract

The utility model provides a half shaft shell structure and a caterpillar tractor. The half-shaft shell structure comprises a half-shaft shell, a driving shaft, a track driving wheel, a supporting plate, a first pin shaft used for installing a track and a second pin shaft used for installing the track, the driving shaft is rotationally installed in the half-shaft shell, the track driving wheel is installed on the driving shaft, the supporting plate is connected with the half-shaft shell, and the supporting plate is connected with the half-shaft shell. The first pin shaft is installed on the supporting plate, and the second pin shaft is installed on the half shaft shell. And the mounting bracket and the half shaft shell are integrated into one piece, so that the mounting error and the number of parts are reduced, and the crawler belt is convenient to assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle half-axles, in particular to a half-axle housing structure and a crawler tractor. Background Art

[0002] At present, the crawler tracks of crawler tractors are generally assembled on the half-axle housing through mounting brackets. Since the brackets in the middle are assembled multiple times, the assembly error is large. In addition, the mounting brackets are mostly welded structures with low welding accuracy, which leads to greater installation errors and is not conducive to the assembly of the tracks. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a half-axle housing structure and a crawler tractor in view of the deficiencies of the prior art.

[0004] The utility model solves the above-mentioned technical problem with the following technical solution: a half-axle housing structure, comprising: a half-axle housing, a drive shaft, a track driving wheel, a support plate, a pin shaft 1 for installing the track, and a pin shaft 2 for installing the track, the drive shaft being rotatably mounted in the half-axle housing, the track driving wheel being mounted on the drive shaft, the support plate being connected to the half-axle housing, the pin shaft 1 being mounted on the support plate, and the pin shaft 2 being mounted on the half-axle housing.

[0005] The beneficial effect of adopting the technical solution of the utility model is that the mounting bracket and the half-axle housing are integrated into one piece, thereby reducing the installation error and the number of parts, and facilitating the assembly of the crawler track.

[0006] Furthermore, the first pin shaft and the second pin shaft are coaxially arranged.

[0007] The beneficial effect of adopting the above further technical solution is that the pin shaft 1 and the pin shaft 2 are coaxially arranged, so that the track can be mounted on the pin shaft 1 and the pin shaft 2, and the track can swing around the axis where the pin shaft 1 and the pin shaft 2 are located.

[0008] Furthermore, a pair of support arms is provided on the half-axle housing, and both ends of the support plate are respectively connected to the pair of support arms.

[0009] The beneficial effect of adopting the above-mentioned further technical solution is: a support arm extends from each side of the half-axle housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts, improving installation accuracy, and improving the load strength of the half-axle housing structure.

[0010] Furthermore, the half-axle housing and the pair of support arms are an integrally formed structure, and the track driving wheel is located between the pair of support arms.

[0011] The beneficial effect of adopting the above further technical solution is that the mounting bracket and the half-axle housing are integrated into one piece, which reduces the installation error and the number of parts and facilitates the assembly of the crawler track.

[0012] Furthermore, a first pin shaft hole is provided on the support plate, and the pin shaft 1 is installed in the first pin shaft hole.

[0013] The beneficial effects of adopting the above further technical solution are: the setting of the first pin shaft hole facilitates the installation and maintenance of the pin shaft 1. A support arm extends from each side of the half-shaft housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts and improving the installation accuracy.

[0014] Furthermore, a second pin hole is provided at the bottom of the half-shaft housing, and the second pin is installed in the second pin hole.

[0015] The beneficial effects of adopting the above further technical solution are: the second pin shaft hole is set to facilitate the installation and maintenance of the second pin shaft. A support arm extends from each side of the half-shaft housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts and improving the installation accuracy.

[0016] Furthermore, the track driving wheel is fixedly mounted on the driving shaft.

[0017] The beneficial effect of adopting the above further technical solution is that the drive shaft is fixedly connected to the track driving wheel, the rotation of the drive shaft will transmit power to the track driving wheel, and the track driving wheel drives the track to rotate.

[0018] Furthermore, the first pin and the second pin are both sleeved with crawler tracks.

[0019] The beneficial effect of adopting the above further technical solution is that the crawler track is mounted on the first pin and the second pin, and the crawler track can swing around the axis where the first pin and the second pin are located.

[0020] Furthermore, a U-shaped support is integrally formed at the bottom of the half-axle housing, the pin shaft 2 is installed on the U-shaped support, the support plate includes a first connecting plate and a second connecting plate, the two ends of the first connecting plate are respectively connected to the half-axle housing by bolts, the second connecting plate is installed in the middle of the first connecting plate, and the pin shaft 1 is installed on the first connecting plate and the second connecting plate.

[0021] The beneficial effects of adopting the above further technical solution are: the setting of the U-shaped support facilitates the installation and maintenance of the second pin, improves the load strength of the half-shaft housing structure, and improves the stability and reliability of the half-shaft housing structure. The setting of the first connecting plate and the second connecting plate facilitates the installation and maintenance of the first pin.

[0022] In addition, the utility model also provides a crawler tractor, comprising a half-axle housing structure as described in any one of the above.

[0023] The beneficial effect of adopting the technical solution of the utility model is that the mounting bracket and the half-axle housing are integrated into one piece, thereby reducing the installation error and the number of parts, and facilitating the assembly of the crawler track.

[0024] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is one of the structural schematic diagrams of the half-axle housing structure provided in an embodiment of the utility model.

[0026] Figure 2 The second structural schematic diagram of the half-axle housing structure provided in the embodiment of the utility model.

[0027] Figure 3 The third structural schematic diagram of the half-axle housing structure provided in the embodiment of the utility model.

[0028] Explanation of the accompanying drawings: 1. Axle housing; 2. Drive shaft; 3. Track drive wheel; 4. Support plate; 5. Pin shaft one; 6. Pin shaft two; 7. Support arm; 8. Second pin shaft hole; 9. U-shaped support. DETAILED DESCRIPTION

[0029] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The embodiments given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0030] like Figures 1 to 3 As shown, an embodiment of the utility model provides a half-axle housing structure, including: a half-axle housing 1, a drive shaft 2, a track driving wheel 3, a support plate 4, a pin shaft 1 5 for installing the track, and a pin shaft 2 6 for installing the track, the drive shaft 2 is rotatably mounted in the half-axle housing 1, the track driving wheel 3 is mounted on the drive shaft 2, the support plate 4 is connected to the half-axle housing 1, the pin shaft 1 5 is mounted on the support plate 4, and the pin shaft 2 6 is mounted on the half-axle housing 1.

[0031] The beneficial effect of adopting the technical solution of the utility model is that the mounting bracket and the half-axle housing are integrated into one piece, thereby reducing the installation error and the number of parts, and facilitating the assembly of the crawler track.

[0032] The half-axle housing structure provided by the embodiment of the utility model has a support arm extending from each side, a pin shaft hole (second pin shaft hole) is processed on the lower side, a support plate is installed on the support arm, and the track is installed on the pin shaft (pin shaft 2) on the lower side of the half-axle housing and the pin shaft (pin shaft 1) of the support plate.

[0033] A support arm extends out from each side of the half-axle housing, and a pin hole (second pin hole) is processed on the lower side, so the track can be directly installed, reducing the number of parts and improving installation accuracy.

[0034] like Figures 1 to 3 As shown, further, the pin shaft 1 5 and the pin shaft 2 6 are coaxially arranged.

[0035] The beneficial effect of adopting the above further technical solution is that the pin shaft 1 and the pin shaft 2 are coaxially arranged, so that the track can be mounted on the pin shaft 1 and the pin shaft 2, and the track can swing around the axis where the pin shaft 1 and the pin shaft 2 are located.

[0036] like Figures 1 to 3 As shown, further, a pair of support arms 7 are provided on the half-axle housing 1, and both ends of the support plate 4 are respectively connected to the pair of support arms 7.

[0037] The beneficial effect of adopting the above-mentioned further technical solution is: a support arm extends from each side of the half-axle housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts, improving installation accuracy, and improving the load strength of the half-axle housing structure.

[0038] The support arm 7 may be an L-shaped structure.

[0039] like Figures 1 to 3 As shown, further, the half-axle housing 1 and the pair of support arms are an integrally formed structure, and the crawler driving wheel 3 is located between the pair of support arms.

[0040] The beneficial effect of adopting the above further technical solution is that the mounting bracket and the half-axle housing are integrated into one piece, which reduces the installation error and the number of parts and facilitates the assembly of the crawler track.

[0041] like Figures 1 to 3 As shown, further, the support plate 4 is provided with a first pin shaft hole, and the pin shaft 5 is installed in the first pin shaft hole.

[0042] The beneficial effects of adopting the above further technical solution are: the setting of the first pin shaft hole facilitates the installation and maintenance of the pin shaft 1. A support arm extends from each side of the half-shaft housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts and improving the installation accuracy.

[0043] like Figures 1 to 3As shown, further, a second pin hole 8 is provided at the bottom of the half-shaft housing 1 , and the pin 2 6 is installed in the second pin hole 8 .

[0044] The beneficial effects of adopting the above further technical solution are: the second pin shaft hole is set to facilitate the installation and maintenance of the second pin shaft. A support arm extends from each side of the half-shaft housing, and a pin shaft hole is processed on the lower side, so that the track can be directly installed, reducing the number of parts and improving the installation accuracy.

[0045] like Figures 1 to 3 As shown, further, the crawler driving wheel 3 is fixedly mounted on the driving shaft 2 .

[0046] The beneficial effect of adopting the above further technical solution is that the drive shaft is fixedly connected to the track driving wheel, the rotation of the drive shaft will transmit power to the track driving wheel, and the track driving wheel drives the track to rotate.

[0047] like Figures 1 to 3 As shown, further, the pin shaft 1 5 and the pin shaft 2 6 are both sleeved with tracks.

[0048] The beneficial effect of adopting the above further technical solution is that the crawler track is mounted on the first pin and the second pin, and the crawler track can swing around the axis where the first pin and the second pin are located.

[0049] like Figures 1 to 3 As shown, further, the bottom of the half-axle housing 1 is integrally formed with a U-shaped support 9, the pin shaft 2 6 is installed on the U-shaped support 9, the support plate 4 includes a first connecting plate and a second connecting plate, the two ends of the first connecting plate are respectively connected to the half-axle housing 1 by bolts, the second connecting plate is installed in the middle of the first connecting plate, and the pin shaft 1 5 is installed on the first connecting plate and the second connecting plate.

[0050] The beneficial effects of adopting the above further technical solution are: the setting of the U-shaped support facilitates the installation and maintenance of the second pin, improves the load strength of the half-shaft housing structure, and improves the stability and reliability of the half-shaft housing structure. The setting of the first connecting plate and the second connecting plate facilitates the installation and maintenance of the first pin.

[0051] The second connecting plate may be a U-shaped structure.

[0052] A support arm extends out from each side of the half-shaft housing, and a pin hole (second pin hole) is machined on the lower side.

[0053] A drive shaft 2 is installed in the half-axle housing 1, and the drive shaft 2 is fixedly connected to the track driving wheel 3. The rotation of the drive shaft 2 will transmit power to the track driving wheel 3, and the track driving wheel 3 drives the track to rotate.

[0054] Support plates 4 are fixedly mounted on the support arms on both sides of the half-axle housing 1, and a pin 1 5 is mounted in the pin hole (first pin hole) on the support plate 4; a pin 2 6 is mounted in the pin hole (second pin hole) on the lower side of the half-axle housing 1, and the pin 1 5 and the pin 2 6 are located on the same axis. The crawler is mounted on the pin 1 5 and the pin 2 6, and the crawler can swing on the axis where the pin 1 5 and the pin 2 6 are located.

[0055] In addition, the utility model also provides a crawler tractor, comprising a half-axle housing structure as described in any one of the above.

[0056] The beneficial effect of adopting the technical solution of the utility model is that the mounting bracket and the half-axle housing are integrated into one piece, thereby reducing the installation error and the number of parts, and facilitating the assembly of the crawler track.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A half-axle housing structure, characterized in that: include: A half-axle housing, a drive shaft, a track driving wheel, a support plate, a pin shaft 1 for installing the track, and a pin shaft 2 for installing the track. The drive shaft is rotatably installed in the half-axle housing, the track driving wheel is installed on the drive shaft, the support plate is connected to the half-axle housing, the pin shaft 1 is installed on the support plate, and the pin shaft 2 is installed on the half-axle housing.

2. A half-axle housing structure according to claim 1, characterized in that: The first pin shaft is coaxially arranged with the second pin shaft.

3. A half-axle housing structure according to claim 1, characterized in that: A pair of support arms is provided on the half-axle housing, and two ends of the support plate are respectively connected to the pair of support arms.

4. A half-axle housing structure according to claim 3, characterized in that: The half-axle housing and the pair of support arms are an integrally formed structure, and the track driving wheel is located between the pair of support arms.

5. The half-axle housing structure according to claim 1, characterized in that: The support plate is provided with a first pin shaft hole, and the pin shaft 1 is installed in the first pin shaft hole.

6. The half-axle housing structure according to claim 1, characterized in that: A second pin shaft hole is provided at the bottom of the half-shaft housing, and the second pin shaft is installed in the second pin shaft hole.

7. The half-axle housing structure according to claim 1, characterized in that: The crawler driving wheel is fixedly mounted on the driving shaft.

8. The half-axle housing structure according to claim 1, characterized in that: The pin shaft 1 and the pin shaft 2 are both sleeved with crawler belts.

9. The half-axle housing structure according to claim 1, characterized in that: The bottom of the half-axle housing is integrally formed with a U-shaped support, the pin shaft 2 is installed on the U-shaped support, the support plate includes a first connecting plate and a second connecting plate, the two ends of the first connecting plate are respectively connected to the half-axle housing by bolts, the second connecting plate is installed in the middle of the first connecting plate, and the pin shaft 1 is installed on the first connecting plate and the second connecting plate.

10. A crawler tractor, characterized in that: A half-axle housing structure comprising any one of claims 1 to 9.

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