Power output gear preposed structure and tractor

Abstract

The utility model provides a power output gear preposed structure and a tractor. A front structure of a power output gear comprises a first driving gear shaft, a tooth holder, a meshing sleeve, a first driven gear, a duplicate gear shaft and an input shaft, the tooth holder and the first driven gear are both arranged on the input shaft in a sleeving mode, the meshing sleeve is arranged on the tooth holder in a sleeving mode, and the duplicate gear shaft is arranged on the input shaft in a sleeving mode. The duplicate gear shaft is in transmission connection with the first driving gear shaft and the first driven gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle power system technical field especially relates to a power output gear front structure and tractor. BACKGROUND

[0002] At present, the mainstream tractor power output gear part, whether it is mechanical PTO or hydraulic PTO, its placement position can only be in the rear part of rear axle housing, which also is in the case of limited machine space and rear axle housing size, power output gear development is greatly limited, when power output deceleration is relatively big, driving gear can not be designed and produced because of being too small. SUMMARY

[0003] The utility model solves the technical problem that the prior art lacks and provides a power output gear front structure and tractor.

[0004] The utility model discloses a power output gear front structure, which comprises a first driving gear shaft, a gear seat, an engaging sleeve, a first driven gear, a double gear shaft and an input shaft.

[0005] The first driving gear shaft inputs power to the whole mechanism, and the power is outputted backward through the engaging sleeve and the gear seat, which forms a speed reduction mechanism composed of the first driving gear shaft, the double gear shaft, the first driven gear, the engaging sleeve and the gear seat.

[0006] Further, the gear seat and the engaging sleeve are located between the first driving gear shaft and the first driven gear.

[0007] The engaging sleeve is moved to the left, and the power is directly transmitted to the input shaft through the first driving gear shaft.

[0008] Further, the double gear shaft is provided with two gears, the first driving gear shaft is provided with a gear, and the two gears on the double gear shaft are respectively engaged with the gear on the first driving gear shaft and the first driven gear.

[0009] The beneficial effect of the above further technical scheme is that the engagement sleeve is easily moved to the right, and the power is transmitted to the input shaft through two-stage reduction of the first driving gear shaft, the double gear shaft and the first driven gear.

[0010] Further, the input shaft is connected with a second driving gear shaft, the second driving gear shaft is drivingly connected with a second driven gear, and the second driven gear is connected with a transmission shaft.

[0011] The beneficial effect of the above further technical scheme is that the second driving gear shaft and the second driven gear are in constant engagement to achieve three-stage reduction. The multi-stage reduction of power output is realized in a limited space.

[0012] Further, the transmission shaft is drivingly connected with an output shaft.

[0013] The beneficial effect of the above further technical scheme is that the final power is output by the output shaft through the transmission shaft.

[0014] Further, the input shaft is connected with the second driving gear shaft through a spline sleeve.

[0015] The beneficial effect of the above further technical scheme is that the input shaft and the second driving gear shaft are connected through the spline sleeve, and the power output by the front end reduction mechanism is transmitted to the second driving gear shaft through the input shaft. The input shaft and the second driving gear shaft are detachably connected, which facilitates the installation and maintenance of the input shaft and the second driving gear shaft.

[0016] Further, the second driving gear shaft is provided with a gear, and the gear on the second driving gear shaft is engaged with the second driven gear.

[0017] The beneficial effect of the above further technical scheme is to realize the driving connection of the second driving gear shaft and the second driven gear.

[0018] Further, the transmission shaft and the double gear shaft are located on one side of the input shaft.

[0019] The beneficial effect of the above further technical scheme is to realize multi-stage reduction of power output in a limited space. The problem of limited size design and development of the gear transmission part of the tractor power output due to space limitation is solved.

[0020] Further, the engagement sleeve is slidably sleeved on the tooth seat.

[0021] The beneficial effects of the further technical scheme are that the engaging sleeve is facilitated to slide, and the power of the first driving gear shaft and the first driven gear is facilitated to be transmitted to the input shaft.

[0022] In addition, the utility model still provides a tractor which includes the power output gear front structure of any one of the above.

[0023] The beneficial effects of the technical scheme of the utility model are that the first driving gear shaft inputs power to the whole mechanism, the power is outputted backward through the engaging sleeve and the gear seat, the first driving gear shaft, the double gear shaft, the first driven gear, the engaging sleeve and the gear seat constitute a speed reduction mechanism at this place, the engaging sleeve is pushed left, and the power is directly transmitted to the input shaft through the first driving gear shaft, the engaging sleeve is pushed right, and the power is transmitted to the input shaft through the first driving gear shaft, the double gear shaft and the first driven gear to realize two-stage speed reduction, power output multi-stage speed reduction is realized in limited space, and the problem that the size of the gear is limited in design and development due to the space limitation of the power output gear transmission part of the tractor is solved.

[0024] The advantages of the additional aspects of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The structure diagram of the power output gear front structure provided by the utility model embodiment.

[0026] Explanation of reference numerals: 1, first driving gear shaft; 2, gear seat; 3, engaging sleeve; 4, first driven gear; 5, double gear shaft; 6, input shaft; 7, spline sleeve; 8, second driving gear shaft; 9, second driven gear; 10, transmission shaft; 11, output shaft. DETAILED DESCRIPTION

[0027] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0028] As Figure 1 shown, the utility model embodiment provides a power output gear front structure, which comprises: a first driving gear shaft 1, a gear seat 2, an engaging sleeve 3, a first driven gear 4, a double gear shaft 5 and an input shaft 6, the gear seat 2 and the first driven gear 4 are sleeved on the input shaft 6, the engaging sleeve 3 is sleeved on the gear seat 2, and the double gear shaft 5 is in transmission connection with the first driving gear shaft 1 and the first driven gear 4.

[0029] The beneficial effect of the technical scheme of the utility model is: the first driving gear shaft inputs power to the whole mechanism, the power is outputted backward through the engaging sleeve and the gear seat, the first driving gear shaft, the double gear shaft, the first driven gear, the engaging sleeve and the gear seat constitute a speed reduction mechanism at this place, the engaging sleeve is pushed left, the power is directly transmitted to the input shaft through the first driving gear shaft, the engaging sleeve is pushed right, the power is transmitted to the input shaft through the first driving gear shaft, the double gear shaft and the first driven gear, realizing two-stage speed reduction.

[0030] As shown in Figure 1 , further, the gear seat 2 and the engaging sleeve 3 are located between the first driving gear shaft 1 and the first driven gear 4.

[0031] The beneficial effect of the above further technical scheme is: the engaging sleeve is pushed left, the power is directly transmitted to the input shaft through the first driving gear shaft, the engaging sleeve is pushed right, the power is transmitted to the input shaft through the first driving gear shaft, the double gear shaft and the first driven gear, realizing two-stage speed reduction.

[0032] As shown in Figure 1 , further, two gears are arranged on the double gear shaft 5, a gear is arranged on the first driving gear shaft 1, and the two gears on the double gear shaft 5 are engaged with the gear on the first driving gear shaft 1 and the first driven gear 4 respectively.

[0033] The beneficial effect of the above further technical scheme is: the engaging sleeve is pushed right, the power is transmitted to the input shaft through the first driving gear shaft, the double gear shaft and the first driven gear, realizing two-stage speed reduction.

[0034] As shown in Figure 1 , further, the input shaft 6 is connected with a second driving gear shaft 8, the second driving gear shaft 8 is drivingly connected with a second driven gear 9, and the second driven gear 9 is connected with a transmission shaft 10.

[0035] The beneficial effect of the above further technical scheme is: the second driving gear shaft and the second driven gear are engaged to realize three-stage speed reduction.

[0036] As shown in Figure 1 , further, the transmission shaft 10 is drivingly connected with an output shaft 11.

[0037] The beneficial effect of the above further technical scheme is: the final power is outputted through the transmission shaft and the output shaft.

[0038] AsFigure 1 Further, as shown in the figure, the input shaft 6 is connected with the second driving gear shaft 8 through the spline sleeve 7.

[0039] The beneficial effect of the above further technical solution is that the input shaft and the second driving gear shaft are connected through the spline sleeve, and the power output by the front end reduction mechanism is transmitted to the second driving gear shaft through the input shaft.

[0040] As shown in the figure, Figure 1 Further, as shown in the figure, the second driving gear shaft 8 is provided with a gear, and the gear on the second driving gear shaft 8 is engaged with the second driven gear 9.

[0041] The beneficial effect of the above further technical solution is that the transmission connection between the second driving gear shaft and the second driven gear is realized.

[0042] As shown in the figure, Figure 1 Further, as shown in the figure, the transmission shaft 10 and the double gear shaft 5 are located on one side of the input shaft 6.

[0043] The beneficial effect of the above further technical solution is that multi-stage reduction of power output is realized in a limited space, solving the problem that the size of the gear of the power output gear transmission part of the tractor is limited by the space.

[0044] As shown in the figure, Figure 1 Further, as shown in the figure, the engagement sleeve 3 is slidingly sleeved on the gear seat 2.

[0045] The beneficial effect of the above further technical solution is that the engagement sleeve slides, and the power of the first driving gear shaft and the first driven gear is transmitted to the input shaft.

[0046] The utility model mainly solves the problem that the size of the gear of the power output gear transmission part of the tractor is limited by the space.

[0047] The utility model embodiment provides a power output gear front structure, solves the problem that the power output gear is limited by the space and the design and development.

[0048] As shown in the figure, Figure 1As shown, in the structure (power output gear front structure), the first driving gear shaft 1 inputs power to the whole mechanism (power output gear front structure), and the power is output rearward through the engaging sleeve 3 and the gear seat 2, wherein the first driving gear shaft 1, the double gear shaft 5, the first driven gear 4, the engaging sleeve 3 and the gear seat 2 constitute a reduction mechanism, the engaging sleeve 3 is pushed to the left, and the power is directly transmitted to the input shaft 6 through the first driving gear shaft 1; the engaging sleeve 3 is pushed to the right, and the power is transmitted to the input shaft 6 through the first driving gear shaft 1, the double gear shaft 5 and the first driven gear 4 for two-stage reduction. The input shaft 6 is connected with the second driving gear shaft 8 through the spline sleeve 7, the power output by the front end reduction mechanism is transmitted to the second driving gear shaft 8 through the input shaft 6, and the second driving gear shaft 8 and the second driven gear 9 are in constant engagement for three-stage reduction. Finally, the power is output through the transmission shaft 10 by the power output shaft (output shaft 11).

[0049] The mechanism (power output gear front structure) arranges part of gears in front (power output gear front arrangement), and realizes multi-stage reduction of power output in limited space.

[0050] In addition, the utility model provides a tractor which comprises the power output gear front structure of any one of the above.

[0051] The beneficial effects of the technical scheme of the utility model are as follows: the first driving gear shaft inputs power to the whole mechanism, the power is output rearward through the engaging sleeve and the gear seat, wherein the first driving gear shaft, the double gear shaft, the first driven gear, the engaging sleeve and the gear seat constitute a reduction mechanism, the engaging sleeve is pushed to the left, and the power is directly transmitted to the input shaft through the first driving gear shaft; the engaging sleeve is pushed to the right, and the power is transmitted to the input shaft through the first driving gear shaft, the double gear shaft and the first driven gear for two-stage reduction. Multi-stage reduction of power output is realized in limited space. The problem that the size of the gear is limited in design and development due to the space limitation of the power output gear transmission part of the tractor is solved.

[0052] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A power output gear front-mounted structure, characterized in that, include: The system comprises a first driving gear shaft, a gear seat, a meshing sleeve, a first driven gear, a double gear shaft, and an input shaft. The gear seat and the first driven gear are both mounted on the input shaft, and the meshing sleeve is mounted on the gear seat. The double gear shaft is connected to both the first driving gear shaft and the first driven gear.

2. The power output gear front-mounted structure according to claim 1, characterized in that, The gear seat and the meshing sleeve are located between the first driving gear shaft and the first driven gear.

3. The power output gear front-mounted structure according to claim 1, characterized in that, The double gear shaft is provided with two gears, and the first driving gear shaft is provided with a gear. The two gears on the double gear shaft mesh with the gear on the first driving gear shaft and the first driven gear, respectively.

4. The power output gear front-mounted structure according to claim 1, characterized in that, The input shaft is connected to a second driving gear shaft, the second driving gear shaft is driven by a second driven gear, and the second driven gear is connected to a drive shaft.

5. The power output gear front-mounted structure according to claim 4, characterized in that, The drive shaft is connected to an output shaft.

6. The power output gear front-mounted structure according to claim 4, characterized in that, The input shaft is connected to the second drive gear shaft via a spline sleeve.

7. The power output gear front-mounted structure according to claim 4, characterized in that, The second driving gear shaft is provided with a gear, and the gear on the second driving gear shaft meshes with the second driven gear.

8. The power output gear front-mounted structure according to claim 4, characterized in that, Both the drive shaft and the double gear shaft are located on one side of the input shaft.

9. The power output gear front-mounted structure according to claim 1, characterized in that, The meshing sleeve is slidably fitted onto the gear seat.

10. A tractor, characterized in that, The power output gear front-mounted structure includes any one of claims 1 to 9.

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