CN214946138U - Novel gear gearbox structure of crawling - Google Patents
Novel gear gearbox structure of crawling Download PDFInfo
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- CN214946138U CN214946138U CN202120505991.4U CN202120505991U CN214946138U CN 214946138 U CN214946138 U CN 214946138U CN 202120505991 U CN202120505991 U CN 202120505991U CN 214946138 U CN214946138 U CN 214946138U
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Abstract
The utility model relates to a novel crawling gear gearbox structure, which comprises a main speed change secondary shaft, an auxiliary speed change primary shaft and an auxiliary speed change secondary shaft, wherein the main speed change secondary shaft is arranged in a rotating way; the auxiliary transmission shaft is coaxially and rotatably arranged at one end of the main transmission shaft, and the auxiliary transmission shaft is parallelly and rotatably arranged at one side of the auxiliary transmission shaft; one end of the first auxiliary transmission shaft can be meshed with or separated from one end of the second main transmission shaft, or one end of the second auxiliary transmission shaft is meshed with or separated from one end of the second main transmission shaft, so that the first auxiliary transmission shaft or the second auxiliary transmission shaft and the second main transmission shaft synchronously rotate or are separated. The beneficial effects of the utility model are that simple structure, it is rationally distributed, shift main gear and vice variable speed and creep the shelves integration effectively respectively, realize that many gears shift, save space, the cost is lower.
Description
Technical Field
The utility model relates to a gearbox technical field, concretely relates to novel gear gearbox structure of crawling.
Background
At present, farmland operation is more and more to the low-speed demand of tractor, and current technique of crawling generally is that a set of structure of crawling of establishing ties realizes in the drive train, and this mode occupation space is great, often needs to lengthen the axle distance and reduces and control the performance realization, and this mode causes the bigger degree of difficulty to spare part commonality moreover, improves manufacturing cost. The design provides a parallel type crawling gear gearbox structure, a crawling mechanism can be connected in parallel on an auxiliary speed change structure of an ordinary machine type, and various crawling operation requirements are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel gear gearbox structure of crawling is provided, aim at solving above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a novel crawling gear gearbox structure comprises a main transmission secondary shaft, an auxiliary transmission primary shaft and an auxiliary transmission secondary shaft, wherein the main transmission secondary shaft is rotatably arranged; the auxiliary transmission shaft is coaxially and rotatably arranged at one end of the main transmission shaft, and the auxiliary transmission shaft is parallelly and rotatably arranged at one side of the auxiliary transmission shaft; one end of the first auxiliary transmission shaft can be meshed with or separated from one end of the second main transmission shaft, or one end of the second auxiliary transmission shaft is meshed with or separated from one end of the second main transmission shaft so as to synchronously rotate or separate from the second main transmission shaft.
The utility model has the advantages that: when the gear is shifted, the same end of the first auxiliary transmission shaft and the second auxiliary transmission shaft can be meshed with or separated from one end of the main transmission shaft respectively so as to synchronously rotate or separate from the main transmission shaft, and therefore the power of the main transmission shaft is transmitted to the first auxiliary transmission shaft and the second auxiliary transmission shaft respectively. The utility model discloses simple structure, it is rationally distributed, shift gear the integration with main variable speed and auxiliary transmission respectively effectively, realize that many gears shift, save space, the cost is lower.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, a first constant mesh gear is coaxially sleeved on one end of the first auxiliary speed changing shaft in a rotating mode, a second constant mesh gear is coaxially sleeved on one end of the second main speed changing shaft in a rotating mode capable of being located, and the second constant mesh gear is meshed with the first constant mesh gear.
The beneficial effect of adopting above-mentioned further scheme is that when shifting gears, fix a position constant mesh gear two through the mode that technicians in this field can think, then utilize the meshing force between constant mesh gear two and the constant mesh gear one to drive the rotation of auxiliary transmission first axle, realize the fast switch-over of gear.
Further, a second low-gear is coaxially sleeved on the second auxiliary transmission shaft and can rotate in a positioning mode, a first low-gear is coaxially sleeved on the first auxiliary transmission shaft and can rotate, and the first low-gear is meshed with the second low-gear.
The beneficial effect of adopting above-mentioned further scheme is that when shifting gears, fix a position low gear two through the mode that the skilled person in the art can think about, then utilize the meshing force between low gear one and low gear two to drive the rotation of vice variable speed two axles, realize the fast switch-over of gear.
Further, a first auxiliary transmission gear shifting piece is further coaxially sleeved on the second auxiliary transmission shaft in a sliding manner, is positioned between the second normally meshed gear and the second low-gear, and can slide along the axial direction of the second auxiliary transmission shaft; and sliding the first auxiliary transmission gear shifting piece to be meshed with or separated from the second normally meshed gear, so that the second auxiliary transmission shaft and the second main transmission shaft synchronously rotate or are separated, or to be meshed with or separated from the second low-gear, so that the first auxiliary transmission shaft and the second main transmission shaft synchronously rotate or are separated.
The beneficial effect of adopting above-mentioned further scheme is that when shifting gears, slide vice variable speed gear shifting piece one through the shift fork, until it and the meshing of normal mesh gear two or separation for vice variable speed two axles and the synchronous rotation of main variable speed two axles or separate to it and the meshing of low gear two or separation, make vice variable speed one axle and the synchronous rotation of main variable speed two axles or separation, realize the fast switch-over of power transmission mode, thereby realize the fast switch-over of high-low gear, realize shifting fast.
Further, a first intermediate gear is further coaxially sleeved on the first auxiliary transmission shaft in a rotating manner, a second intermediate gear is further coaxially sleeved on the second auxiliary transmission shaft in a positioning manner in a rotating manner, and the second intermediate gear is meshed with the first intermediate gear.
The beneficial effect of adopting above-mentioned further scheme is that when shifting gears, fix a position second through the mode that technical staff in the field can think, then utilize the meshing force between second and the first of middle gear to drive the rotation of second axle of auxiliary transmission, realize the fast switch-over of gear.
Further, a second auxiliary transmission gear shifting piece is coaxially sleeved on the second auxiliary transmission shaft at a position, close to one side of the second main transmission shaft, of the second intermediate gear, and can slide along the axial direction of the second auxiliary transmission shaft; and sliding the second auxiliary transmission gear shifting piece until the second auxiliary transmission gear shifting piece is meshed with or separated from the second intermediate gear.
The beneficial effects of adopting above-mentioned further scheme are that realize the location of second middle gear through second sub-transmission gear shifting piece, simple structure, reasonable in design realizes that the speed change is shifted to vice variable speed many gears, and it is convenient to shift.
The auxiliary transmission device comprises a main transmission shaft, a secondary transmission shaft and a crawling gear shifting device, wherein the crawling gear shifting device comprises a crawling gear shaft which is rotatably arranged on the other side of the secondary transmission shaft in parallel, and a crawling gear II is coaxially and fixedly sleeved on the crawling gear shaft; and a third crawling gear is coaxially sleeved on the secondary transmission shaft in a rotatable manner and can be positioned, and the third crawling gear is meshed with the second crawling gear.
The beneficial effect who adopts above-mentioned further scheme is that when shifting, will creep the third location of shelves gear through the mode that technical staff in the field can think, utilize the meshing force between third of the shelves gear of crawling and the second of the shelves gear of crawling to drive the rotation of vice variable speed two axles simultaneously, realize crawling the shelves and shift.
Further, a first crawling gear is coaxially and fixedly sleeved on the second crawling gear shaft, a fourth crawling gear is coaxially and rotatably sleeved on the second auxiliary speed change shaft in a positioning mode, and the first crawling gear is meshed with the fourth crawling gear.
The beneficial effect who adopts above-mentioned further scheme is when shifting, through the mode that technical staff in the field can think of with the gear four location of crawling, utilizes the gear four of crawling and the gear meshing force between one to drive the gear shaft rotation of crawling simultaneously, realizes the gear of crawling and shifts.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
5. the creep gear shifting device comprises a creep gear shifting device 10, a main transmission secondary shaft 15, an auxiliary transmission primary shaft 16, an auxiliary transmission secondary shaft 17, a normally meshed gear I, a normally meshed gear II, a normally meshed gear 19, a low gear II, a low gear I, a low gear 21, an auxiliary transmission shifting part I, a normally meshed gear 22, an auxiliary transmission shifting part II, a normally meshed gear 23, a creep gear shaft 24, a creep gear I, a creep gear 25, a creep gear II, a creep gear 26, a creep gear III, a creep gear 33, a middle gear I, a middle gear 34 and a middle gear II.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model provides a novel crawl gear transmission structure, which comprises a main transmission secondary shaft 10, an auxiliary transmission primary shaft 15 and an auxiliary transmission secondary shaft 16, wherein the main transmission secondary shaft 10 is rotatably arranged; the secondary transmission shaft 16 is coaxially and rotatably arranged at one end of the primary transmission shaft 10, and the secondary transmission shaft 15 is parallelly and rotatably arranged at one side of the secondary transmission shaft 16; one end of the primary counter-speed shaft 15 may be engaged with or disengaged from one end of the primary shift secondary shaft 10, or one end of the secondary counter-speed shaft 16 may be engaged with or disengaged from one end of the primary shift secondary shaft 10 to rotate or disengage in synchronism with the primary shift secondary shaft 10. When shifting gears, the same end of the first auxiliary transmission shaft 15 and the second auxiliary transmission shaft 16 can be respectively meshed with or separated from one end of the main transmission shaft 10, so that the first auxiliary transmission shaft 15 or the second auxiliary transmission shaft 16 can synchronously rotate or separate from the main transmission shaft 10, and the power of the main transmission shaft 10 can be respectively transmitted to the first auxiliary transmission shaft 15 and the second auxiliary transmission shaft 16. The utility model discloses simple structure, it is rationally distributed, shift gear the integration with main variable speed and auxiliary transmission respectively effectively, realize that many gears shift, save space, the cost is lower.
Example 1
On the basis of the above structure, in the present embodiment, a first normally meshed gear 17 is coaxially rotatably sleeved on one end of the primary countershaft 15 through a spline, a second normally meshed gear 18 is coaxially rotatably sleeved on one end of the secondary countershaft 10 through a spline, and the second normally meshed gear 18 is meshed with the first normally meshed gear 17. During gear shifting, the second constant mesh gear 18 is positioned in a manner that can be thought by a person skilled in the art, and then the meshing force between the second constant mesh gear 19 and the first constant mesh gear 17 is utilized to drive the first auxiliary transmission shaft 15 to rotate, so that the gears are quickly switched.
Example 2
In the present embodiment, on the basis of the first embodiment, the second counter shaft 16 is further coaxially and rotatably sleeved with the second low-gear 19 in a positionable manner, the first low-gear 20 is further coaxially and rotatably sleeved on the first counter shaft 15 through the spline, and the first low-gear 20 is meshed with the second low-gear 19. During gear shifting, the second low-gear 19 is positioned in a manner that can be thought by a person skilled in the art, and then the second auxiliary transmission shaft 16 is driven to rotate by using the meshing force between the first low-gear 20 and the second low-gear 19, so that the gears are quickly switched.
Example 3
On the basis of the second embodiment, in this embodiment, a first auxiliary gearshift member 21 is further sleeved on the second auxiliary gearshift shaft 16 through a spline in a coaxial sliding manner, and the first auxiliary gearshift member 21 is located between the second normally meshed gear 18 and the second low-gear 19 and can slide along the axial direction of the second auxiliary gearshift shaft 16; sliding the first range shift member 21 until it engages or disengages the second normally meshing gear 18 so that the second range shaft 16 rotates or disengages synchronously with the second main range shaft 10, or until it engages or disengages the second low range gear 19 so that the first range shaft 15 rotates or disengages synchronously with the second main range shaft 10. When the gear is shifted, the first auxiliary speed change gear shifting piece 21 slides through the shifting fork until the first auxiliary speed change gear shifting piece is meshed with or separated from the second normally meshed gear 18, so that the second auxiliary speed change shaft 16 and the second main speed change shaft 10 synchronously rotate or separate, or until the first auxiliary speed change shaft is meshed with or separated from the second low-gear 19, so that the first auxiliary speed change shaft 15 and the second main speed change shaft 10 synchronously rotate or separate, the quick switching of a power transmission mode is realized, the quick switching of high and low gears is realized, and the quick gear shifting is realized.
The first auxiliary speed changing gear shifting piece 21 is meshed with or separated from the second low-gear 19 or the second normally meshed gear 18 respectively, the structure is simple, and the cost is saved; in addition to the above embodiments, two shift stoppers may be disposed on the secondary shift secondary shaft 16 in a sliding manner at intervals, and the two shift stoppers are engaged with or disengaged from the second low-gear 19 or the second constant-gear 18, respectively.
Example 4
In the first embodiment, a first intermediate gear 33 is further coaxially and rotatably sleeved on the primary countershaft 15, a second intermediate gear 34 is further coaxially and rotatably sleeved on the secondary countershaft 16 in a positioning manner, and the second intermediate gear 34 is meshed with the first intermediate gear 33. During gear shifting, the second intermediate gear 34 is positioned in a manner that can be thought by a person skilled in the art, and then the second auxiliary transmission shaft 16 is driven to rotate by using the meshing force between the first intermediate gear 33 and the second intermediate gear 34, so that the gears are quickly switched.
Example 5
In addition to the fourth embodiment, in the present embodiment, a second sub-transmission shifting element 22 is coaxially slidably sleeved on the second sub-transmission shaft 16 at a position on the second middle gear 34 side close to the second main transmission shaft 10, and the second sub-transmission shifting element 22 can slide along the axial direction of the second sub-transmission shaft 16. The second intermediate gear is positioned through the second auxiliary speed changing gear shifting part, the structure is simple, the design is reasonable, the auxiliary speed changing multi-gear shifting speed changing is realized, and the gear shifting is convenient.
When the fifth embodiment and the fourth embodiment exist simultaneously, the specific installation manner is as follows: the auxiliary transmission shaft 15 is also coaxially sleeved with a first middle gear 33 through a spline, and the first middle gear 33 is positioned on one side, away from the first normally meshed gear 17, of the first low gear 20; the secondary speed changing shaft 16 is also coaxially sleeved with a second middle gear 34 in a rotating manner, and the second middle gear 34 is positioned on one side of the second low gear 19, which is far away from the second normally meshed gear 18, and is meshed with the first middle gear 33; the second counter gear shifting piece 22 is sleeved on the second counter shaft 16 and coaxially slides between the second low gear 19 and the second middle gear 34, and the second counter gear shifting piece 22 can slide along the axial direction of the second counter shaft 16.
During gear shifting, the auxiliary speed change stopper I21 slides leftwards through the shifting fork until the auxiliary speed change stopper I is meshed with the normally meshed gear II 18, so that the auxiliary speed change secondary shaft 16 and the main speed change secondary shaft 10 synchronously rotate, and high-grade gear shifting is realized; sliding the first auxiliary speed changing and shifting piece 21 rightwards through the shifting fork to enable the second low-speed gear 19 and the second auxiliary speed changing shaft 16 to be connected together, enabling the first auxiliary speed changing shaft 15 to drive the second auxiliary speed changing shaft 16 to rotate by utilizing the meshing force between the first low-speed gear 20 and the second low-speed gear 19, and achieving low-speed gear shifting;
sliding the second auxiliary speed change stopper 22 rightwards through the shifting fork to enable the second intermediate gear 34 and the second auxiliary speed change shaft 16 to be connected together, and then driving the second auxiliary speed change shaft to rotate by the first auxiliary speed change shaft 15 through the meshing force between the first intermediate gear 33 and the second intermediate gear 34 to realize intermediate speed gear change;
the first range shift element 21 and/or the second range shift element 22 may be sleeves or synchronizers.
Example 6
On the basis of the structure, the embodiment further comprises a crawling gear shifting device 5, wherein the crawling gear shifting device 5 comprises a crawling gear shaft 23, the crawling gear shaft 23 is parallelly and rotatably installed on the other side of the secondary transmission shaft 16, and a crawling gear wheel II 25 is coaxially and fixedly sleeved on the crawling gear shaft 23; a third crawling gear 26 is coaxially sleeved on the secondary speed change shaft 16 in a rotatable and positionable mode, and the third crawling gear 26 is meshed with the second crawling gear 25. During gear shifting, the third crawling gear 26 is positioned in a mode which can be thought by a person skilled in the art, and the second auxiliary transmission shaft 16 is driven to rotate by utilizing the meshing force between the third crawling gear 26 and the second crawling gear 25, so that gear shifting of the crawling gear is realized.
Preferably, the third crawling gear 26 is located between the second low gear 19 and the second middle gear 34, and the first countershaft 15 rotates to drive the first low gear 20 to rotate, and the second low gear 19 is driven to rotate by using the meshing force between the first low gear 20 and the second low gear 19; the second low-gear 19 drives the first crawling gear 24 and the second crawling gear shaft 23 to rotate, the second crawling gear shaft 23 drives the second crawling gear 25 to rotate, meanwhile, the second auxiliary gear shift piece 22 slides leftwards and is matched with the third crawling gear 26, so that the third crawling gear 26 is connected with the second crawling gear shaft 23, and the meshing force between the second crawling gear 25 and the third crawling gear 26 is utilized to drive the second auxiliary gear shift shaft 26 to rotate, and therefore crawling gear shifting is achieved.
This scheme simple structure, reasonable in design realizes the speed change of shifting of vice variable speed many gears and the variable speed of shifting of the shelves of crawling, and it is convenient to shift, saves space.
Example 7
On the basis of the sixth embodiment, in the present embodiment, the first creep gear 24 is further coaxially and fixedly sleeved on the creep gear shaft 23, the fourth creep gear is coaxially and rotatably sleeved on the secondary transmission shaft 16 in a positioning manner, and the first creep gear 24 is meshed with the fourth creep gear. During gear shifting, the fourth crawling gear is positioned in a mode which can be thought by a person skilled in the art, and meanwhile, the fourth crawling gear and the first crawling gear 24 drive the shaft 23 of the crawling gear to rotate by utilizing the meshing force between the fourth crawling gear and the first crawling gear, so that gear shifting of the crawling gear is realized.
The second low gear 19 is a duplicate gear, and both sides thereof are respectively engaged with the first low gear 20 and the first creep gear 24, i.e. the fourth creep gear corresponds to a structure of one side of the second low gear 19.
Preferably, the first auxiliary transmission shaft 15 is coaxially and rotatably sleeved with a first intermediate gear 33 through a spline, the second auxiliary transmission shaft 16 is coaxially and rotatably sleeved with a second intermediate gear 34, and the second intermediate gear 34 is meshed with the first intermediate gear 33; at this time, the third creep gear 26 and the second intermediate gear 34 form a set of two sub-transmission gears, and the second sub-transmission gear 22 is located on the third creep gear 26 and the second intermediate gear 34.
In the utility model, except a first crawling gear 24 and a second crawling gear 25 which are coaxially fixed on a crawling gear shaft 23 in a fixed way, the rest gears are coaxially and rotatably connected with the corresponding shaft bodies; when the gears are not shifted, the rest gears idle along with the corresponding shaft bodies, and the gears of the corresponding gears are positioned through the corresponding synchronizers or meshing sleeves during shifting so as to rotate along with the corresponding shaft bodies.
The working principle of the utility model is as follows:
when the gear is shifted, the auxiliary speed change stopper I21 slides leftwards through the shifting fork until the auxiliary speed change stopper I is meshed with the normally meshed gear II 18, so that the auxiliary speed change secondary shaft 16 is connected with the main speed change secondary shaft 10, and the auxiliary speed change secondary shaft 16 and the main speed change secondary shaft 10 synchronously rotate to realize high-grade gear shifting;
sliding the first auxiliary speed changing and shifting piece 21 rightwards through the shifting fork to enable the second low-speed gear 19 and the second auxiliary speed changing shaft 16 to be connected together, enabling the first auxiliary speed changing shaft 15 to drive the second auxiliary speed changing shaft 16 to rotate by utilizing the meshing force between the first low-speed gear 20 and the second low-speed gear 19, and achieving low-speed gear shifting;
sliding the second auxiliary speed change stopper 22 rightwards through the shifting fork to enable the second intermediate gear 34 and the second auxiliary speed change shaft 16 to be connected together, and then driving the second auxiliary speed change shaft to rotate by the first auxiliary speed change shaft 15 through the meshing force between the first intermediate gear 33 and the second intermediate gear 34 to realize intermediate speed gear change;
the auxiliary speed changing shaft 15 rotates to drive the first low-gear 20 to rotate, and the second low-gear 19 is driven to rotate by utilizing the meshing force between the first low-gear 20 and the second low-gear 19; the second low-gear 19 drives the first crawling gear 24 and the second crawling gear shaft 23 to rotate, the second crawling gear shaft 23 drives the second crawling gear 25 to rotate, meanwhile, the second auxiliary gear shift piece 22 slides leftwards and is matched with the third crawling gear 26, so that the third crawling gear 26 is connected with the second crawling gear shaft 23, and the meshing force between the second crawling gear 25 and the third crawling gear 26 is utilized to drive the second auxiliary gear shift shaft 26 to rotate, and therefore crawling gear shifting is achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel gear gearbox structure of crawling which characterized in that: the transmission comprises a main variable-speed secondary shaft (10), an auxiliary variable-speed primary shaft (15) and an auxiliary variable-speed secondary shaft (16), wherein the main variable-speed secondary shaft (10) is rotatably arranged; the auxiliary transmission secondary shaft (16) is coaxially and rotatably arranged at one end of the main transmission secondary shaft (10), and the auxiliary transmission primary shaft (15) is parallelly and rotatably arranged at one side of the auxiliary transmission secondary shaft (16); one end of the primary auxiliary transmission shaft (15) can be meshed with or separated from one end of the primary transmission secondary shaft (10), or one end of the secondary auxiliary transmission shaft (16) is meshed with or separated from one end of the primary transmission secondary shaft (10), so that the primary auxiliary transmission shaft (15) or the secondary auxiliary transmission shaft (16) and the primary transmission secondary shaft (10) synchronously rotate or are separated.
2. The novel creeper gear transmission structure of claim 1, wherein: one end of the primary auxiliary transmission shaft (15) is coaxially and rotatably sleeved with a primary normally-meshed gear (17), one end of the secondary main transmission shaft (10) is coaxially and rotatably sleeved with a secondary normally-meshed gear (18) in a positioning mode, and the secondary normally-meshed gear (18) is meshed with the primary normally-meshed gear (17).
3. The novel creeper gear transmission structure of claim 2, wherein: the secondary transmission shaft (16) is further coaxially and rotatably sleeved with a second low-gear (19) in a positioning mode, the primary transmission shaft (15) is further coaxially and rotatably sleeved with a first low-gear (20), and the first low-gear (20) is meshed with the second low-gear (19).
4. The novel creeper gear transmission structure of claim 3, wherein: a first auxiliary transmission gear shifting piece (21) is further coaxially sleeved on the second auxiliary transmission shaft (16) in a sliding manner, and the first auxiliary transmission gear shifting piece (21) is positioned between the second constant mesh gear (18) and the second low-gear (19) and can slide along the axial direction of the second auxiliary transmission shaft (16); sliding the first range shift member (21) into and out of engagement with the second normally engaged gear (18) such that the second range shaft (16) rotates or disengages synchronously with the main range shaft (10) or into and out of engagement with the second low gear (19) such that the first range shaft (15) rotates or disengages synchronously with the main range shaft (10).
5. The novel creeper gear transmission structure of any one of claims 2 to 4, wherein: the first auxiliary transmission shaft (15) is further coaxially sleeved with a first intermediate gear (33) in a rotating mode, the second auxiliary transmission shaft (16) is further coaxially sleeved with a second intermediate gear (34) in a rotating mode capable of being located, and the second intermediate gear (34) is meshed with the first intermediate gear (33).
6. The novel creeper gear transmission structure of claim 5, wherein: a second auxiliary speed changing and shifting piece (22) is sleeved on the second auxiliary speed changing shaft (16) at the position, close to the main speed changing shaft (10), of the second intermediate gear (34) in a coaxial sliding mode, and the second auxiliary speed changing and shifting piece (22) can slide along the axial direction of the second auxiliary speed changing shaft (16); sliding the second range shifter (22) into and out of engagement with the second mid gear (34).
7. The novel creeper gear transmission structure of any one of claims 1 to 4, wherein: the transmission device is characterized by further comprising a crawling gear shifting device (5), wherein the crawling gear shifting device (5) comprises a crawling gear shaft (23), the crawling gear shaft (23) is parallelly and rotatably installed on the other side of the secondary transmission shaft (16) in a rotating mode, and a crawling gear II (25) is coaxially and fixedly sleeved on the crawling gear shaft (23); a third crawling gear (26) is coaxially sleeved on the secondary speed change shaft (16) in a rotatable and positionable mode, and the third crawling gear (26) is meshed with the second crawling gear (25).
8. The novel creeper gear transmission structure of claim 7, wherein: the first crawling gear (24) is coaxially and fixedly sleeved on the crawling gear shaft (23), the second auxiliary transmission shaft (16) is coaxially and rotatably sleeved with a fourth crawling gear in a positioning mode, and the first crawling gear (24) is meshed with the fourth crawling gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505991.4U CN214946138U (en) | 2021-03-10 | 2021-03-10 | Novel gear gearbox structure of crawling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505991.4U CN214946138U (en) | 2021-03-10 | 2021-03-10 | Novel gear gearbox structure of crawling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946138U true CN214946138U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120505991.4U Active CN214946138U (en) | 2021-03-10 | 2021-03-10 | Novel gear gearbox structure of crawling |
Country Status (1)
| Country | Link |
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| CN (1) | CN214946138U (en) |
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2021
- 2021-03-10 CN CN202120505991.4U patent/CN214946138U/en active Active
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Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |