CN204437233U - A kind of Novel walking tractor - Google Patents
A kind of Novel walking tractor Download PDFInfo
- Publication number
- CN204437233U CN204437233U CN201420792833.1U CN201420792833U CN204437233U CN 204437233 U CN204437233 U CN 204437233U CN 201420792833 U CN201420792833 U CN 201420792833U CN 204437233 U CN204437233 U CN 204437233U
- Authority
- CN
- China
- Prior art keywords
- shift fork
- casing
- fork hole
- seat
- hole seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of Novel walking tractor, comprise casing, casing is the integrated casing of metal casting, section along casing longitudinal direction is semicircular shell, and casing top is provided with a shift fork hole seat, and the angle between the axis of described shift fork hole seat and Vertical direction is α, α=30 °, the radial section of shift fork hole seat is a square, and the axial section of shift fork hole seat is one trapezoidal, and described seat lower end, shift fork hole section be square.The utility model, by technological improvement, optimizes shape and the structure of colter variable gear box, makes its intensity higher, not fragile, longer service life.Efficiently avoid the damage of casing.Shift fork hole of the present utility model seat may be used for installing shifting fork device, the angle between the axis of shift fork hole seat and Vertical direction be 30 ° make that shift fork hole seat installs shifting fork device after the operation of colter variable gear box user on more convenient hand tractor.
Description
Technical field
A kind of Novel walking tractor of the utility model relates to a kind of tractor, the colter variable gear box more precisely on a kind of hand tractor.
Background technique
The transmission device of hand tractor disclosed in Chinese patent literature CN2112923U is primarily of formations such as the gear on the gear on shift fork, input shaft, input shaft, jack shaft, jack shaft, sprocket shaft, sprocket shaft driving gear, double gear, minor sprocket, hinge wheel, chain, output shafts.Shift fork is wherein used for the meshing relation between control gear, thus realizes the switching of the different gear of gearbox.When advancing, gear on input shaft and the gears meshing on jack shaft, thus drive jack shaft to rotate, jack shaft engages with sprocket shaft driving gear and drives sprocket shaft to rotate, thus the minor sprocket on drive sprocket shaft rotates, minor sprocket is rotated by chain-driving hinge wheel, and hinge wheel drives output shaft rotation to output power, thus completes the gearbox transmission process under forward travel state.When retreating, input shaft gear engages with the gearwheel of double gear, small gear simultaneously on double gear and the gears meshing on jack shaft drive jack shaft to rotate, jack shaft and sprocket shaft gears meshing drive sprocket shaft to rotate, thus the minor sprocket on drive sprocket shaft rotates, minor sprocket is rotated by chain-driving hinge wheel, and hinge wheel drives output shaft rotation to output power, thus completes the gearbox transmission process under fallback state.
Speed changing box for walking tractor disclosed in Chinese patent literature CN203884149U is split-type structural, and casing is divided into two along axis.During assembling, in the middle of right case, arrange paper washer, then be joined with bolts, such casing has following shortcoming: insufficient strength, fragile, and working life is short; Junction plane easy to leak, lowers greasy property; Installation precision is low, and noise is large; Machining accuracy is low; Running is unstable.Hand tractor design of the prior art is comparatively slightly spacious, and local detail is optimized not, causes hand tractor to use inconvenience, earlier period damage.
Model utility content
The purpose of this utility model is to provide the colter variable gear box on a kind of hand tractor, improves the working life of hand tractor, and working efficiency and raising tilling depth stability, improve the overall performance of hand tractor greatly.Can solve the above problems.
The utility model for achieving the above object, is achieved through the following technical solutions:
Colter variable gear box on a kind of hand tractor, comprise casing, casing is the integrated casing of metal casting, section along casing longitudinal direction is semicircular shell, casing top is provided with a shift fork hole seat, angle between the axis of described shift fork hole seat and Vertical direction is α, α=30 °, the radial section of shift fork hole seat is a square, the axial section of shift fork hole seat is one trapezoidal, described seat lower end, shift fork hole section is square, seat lower end, the shift fork hole section length of side is H1, H1=54mm, the upper end section of described shift fork hole seat is square, the upper end section length of side of shift fork hole seat is H2, H2=46mm, the end face of described shift fork hole seat is provided with 4 tapped holes, described shift fork hole seat offers the first through hole, first through hole is connected with the cavity in casing.
In order to realize the purpose of this utility model further, can also by the following technical solutions: the left end of described casing and right-hand member respectively arrange second through hole, on the same axis, mounting flange on casing, flange plate is located at outside the second through hole of right-hand member two the second through holes.Described flange plate is provided with 5 the second screws.
The utility model has the advantage of: the utility model, by technological improvement, optimizes shape and the structure of colter variable gear box, makes its intensity higher, not fragile, longer service life.Efficiently avoid the damage of casing.Shift fork hole of the present utility model seat may be used for installing shifting fork device, the angle between the axis of shift fork hole seat and Vertical direction be 30 ° make that shift fork hole seat installs shifting fork device after the operation of colter variable gear box user on more convenient hand tractor.Section along casing longitudinal direction of the present utility model is that semicircular shell can be saved casing and takes up room on the basis reaching hand tractor usage requirement.The axial section of shift fork hole of the present utility model seat is that a trapezoidal shift fork hole seat that makes is more firm.The end face of shift fork hole of the present utility model seat is provided with a tapped hole and can facilitates on the seat of shift fork hole and install shifting fork device.The utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure, improves the working life of hand tractor, and working efficiency and raising tilling depth stability, improve the overall performance of hand tractor greatly.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is main TV structure schematic diagram of the present utility model; Fig. 2 is right TV structure schematic diagram of the present utility model; Fig. 3 is left TV structure schematic diagram of the present utility model.
Mark parts: 1 through hole 2 shift fork hole seat 3 first screw 4 casing 5 flange plate 6 second screw.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Colter variable gear box on a kind of hand tractor, as Fig. 1, shown in Fig. 2 and Fig. 3, comprise casing 4, casing 4 is the integrated casing of metal casting, section along casing 4 longitudinal direction is semicircular shell, casing 4 top is provided with a shift fork hole seat 2, angle between the axis of described shift fork hole seat 2 and Vertical direction is α, α=30 °, the radial section of shift fork hole seat 2 is a square, the axial section of shift fork hole seat 2 is one trapezoidal, described seat 2 lower end, shift fork hole section is square, seat 2 lower end, the shift fork hole section length of side is H1, H1=54mm, the upper end section of described shift fork hole seat 2 is square, the upper end section length of side of shift fork hole seat 2 is H2, H2=46mm, the end face of described shift fork hole seat 2 is provided with 4 tapped holes, described shift fork hole seat 2 offers the first through hole 1, first through hole 1 is connected with the cavity in casing 4.
The utility model, by technological improvement, optimizes shape and the structure of colter variable gear box, makes its intensity higher, not fragile, longer service life.Efficiently avoid the damage of casing.Shift fork hole of the present utility model seat 2 may be used for installing shifting fork device, the angle between the axis of shift fork hole seat 2 and Vertical direction be 30 ° make that shift fork hole seat 2 installs shifting fork device after the operation of colter variable gear box user on more convenient hand tractor.Section along casing 4 longitudinal direction of the present utility model is that semicircular shell can be saved casing and takes up room on the basis reaching hand tractor usage requirement.The axial section of shift fork hole of the present utility model seat 2 is that a trapezoidal shift fork hole seat 2 that makes is more firm.The end face of shift fork hole of the present utility model seat 2 is provided with 4 tapped holes and can facilitates on shift fork hole seat 2 and install shifting fork device.
The left end of described casing 4 and right-hand member respectively arrange second through hole 7, two the second through holes 7 on the same axis, and mounting flange 5 on casing 4, flange plate 5 is located at outside the second through hole 7 of right-hand member.Flange plate 5 of the present utility model can facilitate the colter variable gear box on hand tractor to be arranged on hand tractor.
Described flange plate 5 is provided with 5 the second screws 6.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a Novel walking tractor, it is characterized in that: comprise casing (4), casing (4) is the integrated casing of metal casting, the section longitudinal along casing (4) is semicircular shell, casing (4) top is provided with shift fork hole seat (2), angle between the axis of described shift fork hole seat (2) and Vertical direction is α, α=30 °, the radial section in shift fork hole seat (2) is a square, the axial section in shift fork hole seat (2) is one trapezoidal, described seat (2) lower end, shift fork hole section is square, seat (2) lower end, the shift fork hole section length of side is H1, H1=54mm, the upper end section of described shift fork hole seat (2) is square, the upper end section length of side in shift fork hole seat (2) is H2, H2=46mm, the end face of described shift fork hole seat (2) is provided with 4 tapped holes, described shift fork hole seat (2) offers the first through hole (1), first through hole (1) is connected with the cavity in casing (4).
2. a kind of Novel walking tractor according to claim 1, it is characterized in that: the left end of described casing (4) and right-hand member respectively arrange second through hole (7), two the second through holes (7) on the same axis, the upper mounting flange (5) of casing (4), flange plate (5) is located at the second through hole (7) outside of right-hand member.
3. a kind of Novel walking tractor according to claim 2, is characterized in that: described flange plate (5) is provided with 5 the second screws (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792833.1U CN204437233U (en) | 2014-12-16 | 2014-12-16 | A kind of Novel walking tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792833.1U CN204437233U (en) | 2014-12-16 | 2014-12-16 | A kind of Novel walking tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437233U true CN204437233U (en) | 2015-07-01 |
Family
ID=53605102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420792833.1U Expired - Fee Related CN204437233U (en) | 2014-12-16 | 2014-12-16 | A kind of Novel walking tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437233U (en) |
-
2014
- 2014-12-16 CN CN201420792833.1U patent/CN204437233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |