CN203836115U - Vehicle transmission for rice transplanter - Google Patents
Vehicle transmission for rice transplanter Download PDFInfo
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- CN203836115U CN203836115U CN201420287784.6U CN201420287784U CN203836115U CN 203836115 U CN203836115 U CN 203836115U CN 201420287784 U CN201420287784 U CN 201420287784U CN 203836115 U CN203836115 U CN 203836115U
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Abstract
The utility model relates to a vehicle transmission for a rice transplanter. The vehicle transmission comprises a transmission box, a differential, a steering clutch, a brake and a steering transmission mechanism, wherein the differential is arranged in the transmission box and is connected with a left half shaft and a right half shaft respectively; an independent sliding variable gear of a transmission shaft corresponds to an independent duplex gear arranged on an independent transmission shaft; an independent driving bevel gear on the independent transmission shaft is meshed with an independent output bevel gear shaft; a half shaft output driving bevel gear is connected with output shafts on left and right tail ends respectively through a half shaft output driven bevel gear and respective steering clutch; a differential lock arranged on the left half shaft is opposite to a differential shell; the brake is arranged on a right left shell and a differential transmission shaft; a second independent bevel gear on the differential shell is meshed with a second independent bevel gear shaft. The vehicle transmission has the characteristics of compact structure, adaptability to multifunctional configuration demand, high installation maintenance and reliability in use.
Description
Technical field
The utility model relates to a kind of rice transplanting type transmission for vehicles, belongs to transplanter power export technique field.
Background technique
Transplanter respectively by transmission of power to rice transplanting mechanism and seedlings sending mechanism, under the cooperatively interacting of two great institutions, the seedling pin of rice transplanting mechanism inserts seedling piece and captures rice shoot, and its taking-up is moved down, in the time moving on to the transplanting depth of setting, by the insert planting fork in rice transplanting mechanism, rice shoot is depressed from seedling pin, completed a rice transplanting process.Meanwhile, by kickboard and hydraulic system, control road wheel and the relative position of body and the relative position of kickboard and seedling pin, make transplanting depth basically identical.And high-speed transplanter, its speed changer by power the each gear by the each transmission shaft in speed changer and cooperation to form different drive ratios, realize forward and reverse walking of wheel by different gear state, and provide different velocity ratios to realize spacing in the rows control.
High-speed transplanter speed change is that device mostly adopts two casees composition Split box body structures at present, change and be inverted the configuration of the defeated spindle speed function of power, production technology difficulty is large, and pto＝power take-off end is while breaking down, dismounting difficulty is large, and exterior steer drive structure is not compact.Secondly, existing speed changer is provided with a sub-power output, be used for driving seedling-transplanting device work, but sub-power output is through double reduction, only can export the operating rate of single speed, single direction rotation, in the time that rice transplanting unit need to increase the functional requirement such as tillage implement and fertilizing equipment, to compound working tool or amelioration product adaptive capacity deficiency.Moreover, current existing walking braking gear, that break is arranged on the central driving shaft of gearbox, but the impact that required by break self structure, centre distance between central driving shaft and transmission shaft is larger, and makes the centre distance between central driving shaft and semiaxis larger, causes mission case larger, therefore the size of driving gear also becomes greatly, and speed changer general technical Economy is poor.In addition, the steering gear of existing rice transplanting type vehicle and speed changer are Split type structure, steering gear is arranged on the outside of mission case, not only loosely organized, and need the housing of steering gear and gear box casing to process respectively, therefore fabricating cost is high, operation inconvenience when installation and maintenance.
Summary of the invention
The purpose of this utility model is to provide a kind of compact structure, adapts to multi-functional configuration needs, and installation and maintenance are good, uses reliably the housing structure of the rice transplanting type transmission for vehicles of good economy performance.
The utility model is that the technological scheme achieving the above object is: a kind of rice transplanting type transmission for vehicles, it is characterized in that: comprise mission case, input shaft, transmission shaft, central driving shaft, left half axle, right axle shaft, differential mechanism, steering clutch and break and steering gear, described mission case comprises that a side opens wide and have the left shell of speed change cavity and left differential mechanism cavity and be connected to the right shell body on left shell with right differential mechanism cavity, left shell and right shell body one side are connected with respectively left steering clutch outer member and right steering clutch outer member, right shell body top has the obstructed transfer cavity of differential mechanism cavity right with it, transfer-case cover is arranged on the top of right shell body and covers on the transfer cavity place of right shell body,
Described input shaft passes through bearing cantilever support on left shell, transmission shaft passes through left bearing, intermediate bearing and right bearing are bearing in respectively left shell, on right shell body and transfer-case cover, the driving gear and the selective sliding gear that are arranged on transmission shaft are positioned at speed change cavity, central driving shaft is bearing on left shell and right shell body by bearing, the input gear being connected on input shaft engages with driving gear, be arranged on central transmission gearwheel and central transmission small gear on central driving shaft corresponding with selective sliding gear respectively, the gear shift fork being connected on transfer-case cover is connected with selective sliding gear,
The transfer selective sliding gear being arranged on transmission shaft is arranged in the transfer cavity of right shell body, transfer transmission shaft is bearing on left shell and transfer-case cover by bearing, transfer duplicate gear is arranged on transfer transmission shaft by free wheel device, and transfer selective sliding gear is corresponding with transfer duplicate gear, the transfer shift fork being arranged on transfer-case cover is connected with transfer selective sliding gear, and the transfer drive bevel gear that is arranged on transfer transmission shaft one side engages with the transfer output bevel gear wheel shaft being arranged on transfer-case cover;
Described differential mechanism comprises and being connected, and be bearing in the differential casing on left shell and be bearing in the differential mechanism transmission shaft on right shell body by bearing by bearing, the bevel planet gear being connected on differential casing engages with two-semiaxle bevel gear, be connected to differential casing or/and the differential gear on differential mechanism transmission shaft engages with central transmission small gear, left half axle is connected with semi-axle bevel gear separately respectively with right axle shaft, be arranged on differential lock on left half axle its initiatively engaging tooth is relative with the passive engaging tooth on differential casing, being arranged on differential lock on left shell, to handle bearing pin relative with differential lock, the semiaxis output drive bevel gear being arranged on respectively on differential casing and differential mechanism transmission shaft is engaged by dynamic bevel gear with each self-corresponding semiaxis output, and semiaxis output is connected with left-end point output shaft and right end output shaft respectively by steering clutch separately by dynamic bevel gear, be arranged on left steering clutch outer member and steering clutch bearing pin on right steering clutch outer member relative with the sliding shaft sleeve of steering clutch separately,
Second point of dynamic bevel gear is also installed on described differential casing, and the second transfer bevel gear shaft engages with second point of dynamic bevel gear, and the second transfer bevel gear shaft extends left steering clutch outer member;
Described break comprises braking platen, braking pin shaft and a plurality of braking driven plate and is disposed on the brake strip between braking driven plate, each braking driven plate is connected on right shell body, each brake strip is connected to differential mechanism transmission shaft, be sleeved on braking platen on right axle shaft relative with braking driven plate, be arranged on braking pin shaft on right shell body relative with braking platen, braking pin shaft one side is extended right shell body.
Wherein: described steering gear is arranged on left shell, the outside that left shell is positioned at speed change cavity is also provided with the boot-shaped cavity not communicating with speed change cavity and left differential mechanism cavity, lower end cap is arranged on left shell and is positioned at boot-shaped cavity bottom, steering shaft is bearing in by bearing on the top and lower end cap of its boot-shaped cavity of left shell, turn to output shaft be bearing on its boot-shaped cavity bottom of left shell and lower end cap by bearing and pass lower end cap, being arranged on the tooth sector turning on output shaft engages with the actuation gear in steering shaft, and tooth sector is provided with block, turn to clutch control lever shaft be bearing on its boot-shaped cavity bottom of left shell and lower end cap by bearing and pass lower end cap, turn to the push pedal on clutch control lever shaft with a side opening, in push pedal, symmetrically arranged pawling is positioned at the both sides of block, tooth sector is along in the time that the center of rotation that turns to output shaft is rotated, block is stirred push pedal and is turned to clutch control lever shaft to rotate along the center of rotation that turns to clutch control lever shaft, turn to the outside of clutch control lever shaft that actuating linkage is installed, regulating tie bar respectively with actuating linkage and turn to clutch rocking arm to be connected, turn to clutch rocking arm to be connected with steering clutch bearing pin.
Described block is roller, roller shaft is installed on tooth sector, roller is arranged on roller shaft, is provided with the arc-shaped limit groove matching with roller in push pedal in the inner side of pawling, and turns to the center of clutch control lever shaft and turn to the center of output shaft and the center of block on the same line.
Described transfer transmission shaft middle part is provided with the shaft shoulder, one end of being arranged on its inner ring of free wheel device on transfer transmission shaft is spacing by the shaft shoulder of transfer transmission shaft, the other end withstands on bearing by axle sleeve, transfer duplicate gear is connected on free wheel device by key, and two ends, free wheel device outer ring are connected with transfer duplicate gear by back-up ring respectively.
Described transfer drive bevel gear supports on transfer-case cover by bearing, and transfer output bevel gear wheel shaft supports on transfer-case cover by bearing, and transfer output bevel gear wheel shaft can oppositely be installed.
Described transmission shaft is Step Shaft, the packing holder that right shell body is provided with bearing support and is adjacent, and intermediate bearing and seal ring are arranged on transmission shaft and right shell body, and selective sliding gear and transfer selective sliding gear respectively key are connected on transmission shaft.
Described steering clutch comprises steering clutch housing, sliding shaft sleeve and a plurality ofly turn to clutch driven plate and be disposed on the clutch friction plate that turns to turning between clutch driven plate, semiaxis output is connected with steering clutch housing by dynamic bevel gear, left-end point output shaft is connected with sliding shaft sleeve separately respectively with right end output shaft, respectively turn to clutch friction plate to be connected with sliding shaft sleeve, respectively turn to clutch driven plate to be connected with steering clutch housing, sliding shaft sleeve end is connected with platen by clutch bearing, between platen and steering clutch housing, butterfly spring is also installed.
Second point of described dynamic bevel gear is bearing on left shell and left steering clutch outer member by bearing, second point of dynamic bevel gear and semiaxis output drive bevel gear arrange back-to-back, and the central axis of left-end point output shaft is parallel with the central axis of the second transfer bevel gear shaft.
Described differential mechanism transmission shaft is step-like, and differential mechanism transmission shaft outside is provided with splined shaft, the splined shaft inner side of differential mechanism transmission shaft has axle bed, and bearing is arranged on the bearing support in axle bed and the right shell body of differential mechanism transmission shaft, and the outer side surface of bearing support is the confined planes of braking driven plate.
Mission case of the present utility model adopts left shell, right shell body and transfer-case cover, and left shell, right shell body are connected with left steering clutch outer member and right steering clutch outer member respectively, there is good manufacturability and maintainability, and right shell body top has the obstructed transfer cavity of differential mechanism cavity right with it, left shell is different with transfer cavity from speed change cavity and differential mechanism cavity that right shell body forms, therefore to two cavity institute adapted lubricants capacity differences, therefore can reduce the use oil mass of speed change cavity and differential mechanism cavity, practical.On the utility model transmission shaft, be coaxially fitted with selective sliding gear and transfer selective sliding gear, the large and small gear mesh of central authorities on selective sliding gear and central driving shaft should, and transfer selective sliding gear is corresponding with transfer duplicate gear, therefore can form two grades of free-standing power outputs and sub-power output function, in addition in transfer duplicate gear, be provided with free wheel device, ensure that transfer transmission shaft can not reverse, and improves functional reliability.The utility model is provided with the second transfer bevel gear shaft on the differential casing of differential mechanism, the second transfer bevel gear shaft engages with transfer bevel gear shaft, therefore can form the power output of transmission backward, type modification is simple, the transmission shaft that can be used for other farm implements connects, and in the time transforming other management facility into, facilitates power to connect, and makes rice transplanting type transmission for vehicles can meet the functional requirements such as tillage implement, adapt to multi-functional configuration needs, expand the using scope of transplanter.Second point of dynamic bevel gear of the utility model is directly installed on left shell and left steering clutch outer member, and the second transfer bevel gear shaft is bearing on left shell and left steering clutch outer member, rational in infrastructure, compact.The utility model is provided with differential mechanism in mission case, and break is arranged on the differential mechanism transmission shaft of differential mechanism one side, and be connected with right shell body, therefore under definite velocity ratio condition, can dwindle the centre distance transmission shaft between central driving shaft and transmission shaft, thereby reduce the size of central driving shaft upper transfer gear, compact structure, drive path is short, transmission efficiency is high, speed changer general technical better economy.The utility model is provided with the boot-shaped cavity obstructed with gear cavity on left shell, steering gear is arranged in speed changer, not only reduce the quantity of housing, and significantly reduce and make processing cost, simultaneously by integrated to steering gear and speed changer, compact structure is convenient to the layout of type very much.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is the structural representation of model utility rice transplanting type transmission for vehicles.
Fig. 2 is the side-looking structural representation of Fig. 1.
Fig. 3 is the backsight structural representation of Fig. 1.
Fig. 4 is the sectional structure schematic diagram of the A-A of Fig. 1.
Fig. 5 is that the B-B of Fig. 3 analyses and observe rotational structure schematic diagram.
Fig. 6 is the structural representation of the utility model steering gear.
Fig. 7 is that the C of Fig. 6 is to structural representation.
Wherein: 1-mission case, 1-1-left shell, 1-2-lower end cap, 1-3-left steering clutch outer member, 1-4-right shell body, 1-5-transfer-case cover, 1-6-right steering clutch outer member, 2-actuating linkage, 3-turn to swing arm, 4-regulating tie bar, 5-turn to clutch rocking arm, 6-left-end point output shaft, the 7-the second transfer bevel gear shaft, 8-right end output shaft, 9-bearing, 10-input shaft, 11-input gear, 12-driving gear, 13-transmission shaft, 14-central transmission gearwheel, 15-central driving shaft, 16-differential mechanism, 16-1-differential lock is handled bearing pin, 16-2-spring, 16-3-differential lock, 16-4-differential casing, 16-5-differential gear, 16-6-differential mechanism transmission shaft, 16-7-semi-axle bevel gear, 16-8-differential mechanism bearing pin, 16-9-bevel planet gear, 17-the second point of dynamic bevel gear, 18-semiaxis output drive bevel gear, 19-left half axle, 20-semiaxis is exported by dynamic bevel gear, 21-steering clutch, 21-1-bearing support, 21-2-steering clutch housing, 21-3-butterfly spring, 21-4-platen, 21-5-clutch bearing, 21-6-turn to clutch friction plate, 21-7-turn to clutch driven plate, 21-8-steering clutch bearing pin, 21-9-sliding shaft sleeve, 22-selective sliding gear, 23-gear shift fork, 24-transfer selective sliding gear, 25-central transmission small gear, 26-break, 26-1-brake strip, 26-2-braking driven plate, 26-3-braking platen, 26-4-braking pin shaft, 27-right axle shaft, 28-transfer duplicate gear, 29-free wheel device, 30-transfer transmission shaft, 31-transfer drive bevel gear, 32-transfer output bevel gear wheel shaft, 33-steering gear, 33-1-steering shaft, 33-2-tooth sector, 33-3-turn to output shaft, 33-4-turn to clutch control lever shaft, 33-5-push pedal, 33-6-block, 33-7-roller shaft.
Embodiment
See shown in Fig. 1～7, rice transplanting type transmission for vehicles of the present utility model, comprises mission case 1, input shaft 10, transmission shaft 13, central driving shaft 15, left half axle 19, right axle shaft 27, differential mechanism 16, steering clutch 21 and break 26 and steering gear 33.
See shown in Fig. 1～4, mission case 1 of the present utility model comprises that a side opens wide and have the left shell 1-1 of speed change cavity and left differential mechanism cavity and be connected to the right shell body 1-4 on left shell 1-1 with right differential mechanism cavity, left shell 1-1 and right shell body 1-4 mono-side are connected with respectively left steering clutch outer member 1-3 and right steering clutch outer member 1-6, left shell 1-1 and right shell body 1-4 are dissymmetrical structure, right shell body 1-4 top has the obstructed transfer cavity of differential mechanism cavity right with it, transfer-case cover 1-5 is arranged on the top of right shell body 1-4 and covers on the transfer cavity place of right shell body 1-4, make the transfer cavity forming between cavity that left shell 1-1 and right shell body 1-4 form and right shell body 1-4 and transfer-case cover 1-5 realize independent lubricating, can reduce the oil mass of using of lubricant oil.
See Fig. 1, shown in 4, the utility model input shaft 10 passes through bearing 9 cantilever support at left shell 1-1, transmission shaft 13 passes through left bearing, intermediate bearing and right bearing are bearing in respectively left shell 1-1, on right shell body 1-4 and transfer-case cover 1-5, the driving gear 12 and the selective sliding gear 22 that are arranged on transmission shaft 13 are positioned at speed change cavity, central driving shaft 15 is bearing on left shell 1-1 and right shell body 1-4 by bearing, the input gear 11 being connected on input shaft 10 engages with the driving gear 12 on transmission shaft 13, be arranged on central transmission gearwheel 14 and central transmission small gear 25 on central driving shaft 15 corresponding with selective sliding gear 22, the gear shift fork 23 being connected on transfer-case cover 1-5 is connected with selective sliding gear 22, stirring selective sliding gear 22 by gear shift fork 23 engages with central transmission gearwheel 14 and central transmission small gear 25 respectively, realize the output of second gear power.As shown in Figure 4, the utility model transmission shaft 13 is Step Shaft, the packing holder that right shell body 1-4 is provided with bearing support and is adjacent, intermediate bearing and seal ring are arranged on right shell body 1-4 and transmission shaft 13, selective sliding gear 22 and transfer selective sliding gear 24 are connected on transmission shaft 13 by key respectively and are positioned at the both sides of intermediate bearing, realize the independent lubricating of two cavitys.
See Fig. 1, 4, shown in 5, the transfer selective sliding gear 24 that the utility model is arranged on transmission shaft 13 is arranged in the transfer cavity of right shell body 1-4, transfer transmission shaft 30 is bearing on right shell body 1-4 and transfer-case cover 1-5 by bearing, transfer duplicate gear 28 is arranged on transfer transmission shaft 30 by free wheel device 29, transfer transmission shaft 30 middle parts are provided with the shaft shoulder, the one end that is arranged on free wheel device 29 its circle sides on transfer transmission shaft 30 is spacing by transfer transmission shaft 30 shaft shoulders, the other end withstands on bearing by axle sleeve, transfer duplicate gear 28 is connected on free wheel device 29 by key, free wheel device 29 two ends, outer ring are connected with transfer duplicate gear 28 by back-up ring respectively, free wheel device 29 is reliably connected with transfer duplicate gear 28, and transfer selective sliding gear 24 is corresponding with transfer duplicate gear 28, being arranged on the upper transfer shift fork of transfer-case cover 1-5 is connected with transfer selective sliding gear 24, drive transfer selective sliding gear 24 to move axially by transfer shift fork, make it large, small gear respectively with transfer duplicate gear 28 on little, gearwheel engagement, to form two grades of free-standing sub-power outputs, the transfer drive bevel gear 31 that is arranged on transfer transmission shaft 30 1 sides engages with the transfer output bevel gear wheel shaft 32 being arranged on transfer-case cover 1-5.
See shown in Fig. 4,5, transfer drive bevel gear 31 of the present utility model is arranged on transfer transmission shaft 30, and transfer drive bevel gear 31 is connected with transfer-case cover 1-5 by bearing, and transfer output bevel gear wheel shaft 32 is also bearing on transfer-case cover 1-5 by bearing, the utility model also instead fills transfer output bevel gear wheel shaft 32, make to carry out pto＝power take-off counterrotating, the supporting requirement while meeting supporting different type of machines.
See Fig. 1, 4, shown in, the utility model differential mechanism 16 comprises and being connected, and be bearing in the differential casing 16-4 on left shell 1-1 and be bearing in the upper differential mechanism transmission shaft 16-6 of right shell body 1-4 by bearing by bearing, the bevel planet gear 16-9 being connected on differential casing 16-4 engages with two-semiaxle bevel gear 16-7, bevel planet gear 16-9 is connected with differential casing 16-4 by differential mechanism bearing pin 16-8, be connected to differential casing 16-4 or/and the differential gear 16-5 on differential mechanism transmission shaft 16-6 engages with central transmission small gear 25, left half axle 19 is connected with semi-axle bevel gear 16-7 separately respectively with right axle shaft 27, be arranged on differential lock 16-3 on left half axle 19 its initiatively engaging tooth is relative with the passive engaging tooth on differential casing 16-4, being arranged on differential lock on left shell 1-1, to handle bearing pin 16-1 relative with differential lock 16-3, between differential lock 16-3 and differential casing 16-4, be provided with spring 16-2, making differential lock handle bearing pin 16-1 by operating mechanism rotates, handling inclined-plane on bearing pin 16-1 or working surface by differential lock withstands on differential lock 16-3 and moves axially, make its active engaging tooth of differential lock 16-3 engage and engage with the passive engaging tooth on differential casing 16-4, when without external force, passive engaging tooth on its active engaging tooth of differential lock 16-3 and differential casing 16-4 is departed from, realize differential function.As shown in Figure 4, the semiaxis output drive bevel gear 18 that the utility model is arranged on differential casing 16-4 and differential mechanism transmission shaft 16-6 is engaged by dynamic bevel gear 20 with each self-corresponding semiaxis output, and semiaxis output is connected with left-end point output shaft 6 and right end output shaft 8 respectively by steering clutch 21 separately by dynamic bevel gear 20, be arranged on left steering clutch outer member 1-3 and steering clutch bearing pin 21-8 on right steering clutch outer member 1-6 relative with the sliding shaft sleeve 21-9 of steering clutch 21 separately, in the time that steering clutch bearing pin 21-8 rotates, promoting the sliding shaft sleeve 21-9 of steering clutch 21 separately by its inclined-plane or working surface moves, realization turns to clutch, left-end point output shaft 6 and right end output shaft 8 outputting powers are also made trailing wheel walking and are turned to by driving mechanism.
As shown in Figure 4, the utility model steering clutch 21 comprises steering clutch housing 21-2, sliding shaft sleeve 21-9 and a plurality of turn to clutch driven plate 21-7 and be disposed on to turn between clutch driven plate 21-7, turn to clutch friction plate 21-6, semiaxis output is connected with steering clutch housing 21-2 by dynamic bevel gear 20, the axle journal place of steering clutch housing 21-2 is connected with bearing support 21-1 by bearing, bearing support 21-1 and left shell 1-1 join, left-end point output shaft 6 is connected with sliding shaft sleeve 21-9 separately respectively with right end output shaft 8, respectively turn to clutch friction plate 21-6 to be connected with sliding shaft sleeve 21-9, respectively turn to clutch driven plate 21-7 to be connected with steering clutch housing 21-2, sliding shaft sleeve 21-9 end is connected with platen 21-4 by clutch bearing 21-5, between platen 21-4 and steering clutch housing 21-2, butterfly spring 21-3 is also installed, relative with sliding shaft sleeve 21-9 end face with the steering clutch bearing pin 21-8 on right steering clutch outer member 1-6 owing to being arranged on left steering clutch outer member 1-3, driving steering clutch bearing pin 21-8 rotation to push sliding shaft sleeve 21-9 by operating device moves axially, make to turn to clutch friction plate 21-6 to turn to clutch with turning to clutch driven plate 21-7 disengaging realization.
As shown in Figure 4, second point of dynamic bevel gear 17 is also installed on the utility model differential casing 16-4, the second transfer bevel gear shaft 7 engages with second point of dynamic bevel gear 17, the second transfer bevel gear shaft 7 extends left steering clutch outer member 1-3, can make the second transfer bevel gear shaft 7 be connected with the transmission shaft of other farm implements, realize multi-functional configuration.As shown in Figure 4, second point of dynamic bevel gear 17 of the utility model is bearing on left shell 1-1 and left steering clutch outer member 1-3 by bearing, second point of dynamic bevel gear 17 arranges back-to-back with semiaxis output drive bevel gear 18, reasonable stress, compact structure, and the central axis of left-end point output shaft 6 is parallel with the central axis of second point of dynamic bevel gear 17 transmission shaft, generate the synchronous mode output of transmission backward, because second point of dynamic bevel gear 17 is connected with steering clutch 21, and the second transfer bevel gear shaft 7 is bearing on left shell 1-1, rational in infrastructure, compact, can be used for meeting the functional requirements such as tillage implement, modification is convenient.
As shown in Figure 4, the utility model break 26 comprises braking platen 26-3, braking pin shaft 26-4 and a plurality of braking driven plate 26-2 and be disposed on the brake strip 26-1 between braking driven plate 26-2, each braking driven plate 26-2 is connected on right shell body 1-4, each brake strip 26-1 is connected on differential mechanism transmission shaft 16-6, be sleeved on braking platen 26-3 on right axle shaft 27 relative with braking driven plate 26-2, be arranged on braking pin shaft 26-4 on right shell body 1-4 relative with braking platen 26-3, by brake operating mechanism, braking pin shaft 26-4 is rotated, making to brake platen 26-3 by its inclined-plane or working surface moves axially, braking platen 26-3 is pressed in braking driven plate 26-2 by brake strip 26-1 and cuts off power.As shown in Figure 4, the utility model differential mechanism transmission shaft 16-6 is step-like, and differential mechanism transmission shaft 16-6 outside is provided with splined shaft, the splined shaft inner side of differential mechanism transmission shaft 16-6 has axle bed, bearing is arranged on the axle bed of differential mechanism transmission shaft 16-6 and the bearing support of right shell body 1-4, and the outer side surface of bearing support is the confined planes of braking driven plate 26-2, compact structure, reasonable.
See Fig. 6, shown in 7, steering gear 33 of the present utility model is arranged on left shell 1-1, the outside that left shell 1-1 is positioned at speed change cavity is also provided with the boot-shaped cavity not communicating with speed change cavity and left differential mechanism cavity, so form independently lubricating cavity, lower end cap 1-2 is arranged on left shell 1-1 and is positioned at boot-shaped cavity bottom, steering shaft 33-1 is bearing in respectively by bearing on the top and lower end cap 1-2 of its boot-shaped cavity of left shell 1-1, turn to output shaft 33-3 to be bearing in its boot-shaped cavity bottom of left shell 1-1 by bearing and lower end cap 1-2 goes up and pass lower end cap 1-2, turn to the outside of output shaft 33-3 to be connected with turning to swing arm 3, by turning to swing arm 3 to drive deflecting bar operating device to realize Vehicular turn.Being arranged on the tooth sector 33-2 turning on output shaft 33-3 engages with the actuation gear on steering shaft 33-1, the utility model can be welded on tooth sector 33-2 and turn on output shaft 33-3, or mounting hole on tooth sector 33-2 is with the mounting hole of position-limited edge, as polygonal hole with turn to output shaft 33-3 to be matchedly connected, make tooth sector 33-2 together with turning to output shaft 33-3 along turn to output shaft 33-3 center of rotation rotate.See shown in Fig. 6,7, the utility model tooth sector 33-2 is provided with block 33-6, this block 33-6 is roller, roller shaft 33-7 is installed on tooth sector 33-2, it is upper that roller is provided with roller shaft 33-7, and lock by fastening piece, and roller is arranged on to tooth sector 33-2, roller of the present utility model is rolling bearing, can improve its working life.
See shown in Fig. 6,7, the utility model turns to clutch control lever shaft 33-4 to be bearing in its boot-shaped cavity bottom of left shell 1-1 by bearing and lower end cap 1-2 goes up and pass lower end cap 1-2, turn to the push pedal 33-5 on clutch control lever shaft 33-4 with a side opening, upper symmetrically arranged the pawling of push pedal 33-5 is positioned at the both sides of block 33-6, tooth sector 33-2 is along in the time that the center of rotation that turns to output shaft 33-3 is rotated, and block 33-6 stirs push pedal 33-5 and turns to clutch control lever shaft 33-4 to rotate along the center of rotation that turns to clutch control lever shaft 33-4.As shown in Figure 7, the best push pedal 33-5 of the utility model is upper is provided with the arc-shaped limit groove matching with roller in the inner side of pawling, and roller can withstand on the arc-shaped limit groove of pawling, and drives and turns to clutch control lever shaft 33-4 to rotate.The utility model turns to the center of clutch control lever shaft 33-4 and turns to the center of output shaft 33-3 and the center of block 33-6 on the same line, i.e. convenient processing is stressed even in operation, and facilitates again control operating mechanism separately.
See shown in Fig. 1～3, the utility model turns to the outside of clutch control lever shaft 33-4 that actuating linkage 2 is installed, regulating tie bar 4 is respectively with actuating linkage 2 with turn to clutch Rocker arm 5 to be connected, turn to clutch Rocker arm 5 to be connected with steering clutch bearing pin 21-8, in the time turning to clutch control lever shaft 33-4 to drive actuating linkage 2 to move, control respectively left and right turn clutch, realize joint or the cut-out of power.
Claims (9)
1. a rice transplanting type transmission for vehicles, it is characterized in that: comprise mission case (1), input shaft (10), transmission shaft (13), central driving shaft (15), left half axle (19), right axle shaft (27), differential mechanism (16), steering clutch (21) and break (26) and steering gear (33), described mission case (1) comprises that a side opens wide and have the left shell (1-1) of speed change cavity and left differential mechanism cavity and be connected to the right shell body (1-4) on left shell (1-1) with right differential mechanism cavity, left shell (1-1) and right shell body (1-4) side are connected with respectively left steering clutch outer member (1-3) and right steering clutch outer member (1-6), right shell body (1-4) top has the obstructed transfer cavity of differential mechanism cavity right with it, transfer-case cover (1-5) is arranged on the top of right shell body (1-4) and covers on the transfer cavity place of right shell body (1-4),
Described input shaft (10) passes through bearing (9) cantilever support on left shell (1-1), transmission shaft (13) passes through left bearing, intermediate bearing and right bearing are bearing in respectively left shell (1-1), on right shell body (1-4) and transfer-case cover (1-5), the driving gear (12) and the selective sliding gear (22) that are arranged on transmission shaft (13) are positioned at speed change cavity, central driving shaft (15) is bearing on left shell (1-1) and right shell body (1-4) by bearing, the input gear (11) being connected on input shaft (10) engages with driving gear (12), be arranged on central transmission gearwheel (14) and central transmission small gear (25) on central driving shaft (15) corresponding with selective sliding gear (22) respectively, the gear shift fork (23) being connected on transfer-case cover (1-5) is connected with selective sliding gear (22),
The transfer selective sliding gear (24) being arranged on transmission shaft (13) is arranged in the transfer cavity of right shell body (1-4), transfer transmission shaft (30) is bearing on left shell (1-1) and transfer-case cover (1-5) by bearing, transfer duplicate gear (28) is arranged on transfer transmission shaft (30) by free wheel device (29), and transfer selective sliding gear (24) is corresponding with transfer duplicate gear (28), the transfer shift fork being arranged on transfer-case cover (1-5) is connected with transfer selective sliding gear (24), the transfer drive bevel gear (31) that is arranged on transfer transmission shaft (30) one sides engages with the transfer output bevel gear wheel shaft (32) being arranged on transfer-case cover (1-5),
Described differential mechanism (16) comprises and being connected, and be bearing in the differential casing (16-4) on left shell (1-1) and be bearing in the differential mechanism transmission shaft (16-6) on right shell body (1-4) by bearing by bearing, the bevel planet gear (16-9) being connected on differential casing (16-4) engages with two-semiaxle bevel gear (16-7), be connected to differential casing (16-4) or/and the differential gear (16-5) on differential mechanism transmission shaft (16-6) engages with central transmission small gear (25), left half axle (19) is connected with semi-axle bevel gear (16-7) separately respectively with right axle shaft (27), be arranged on differential lock (16-3) on left half axle (19) its initiatively engaging tooth is relative with the passive engaging tooth on differential casing (16-4), being arranged on differential lock on left shell (1-1), to handle bearing pin (16-1) relative with differential lock (16-3), the semiaxis output drive bevel gear (18) being arranged on respectively on differential casing (16-4) and differential mechanism transmission shaft (16-6) is engaged by dynamic bevel gear (20) with each self-corresponding semiaxis output, and semiaxis output is connected with left-end point output shaft (6) and right end output shaft (8) respectively by steering clutch (21) separately by dynamic bevel gear (20), be arranged on left steering clutch outer member (1-3) and steering clutch bearing pin (21-8) on right steering clutch outer member (1-6) relative with the sliding shaft sleeve of steering clutch (21) separately,
On described differential casing (16-4), second point of dynamic bevel gear (17) is also installed, the second transfer bevel gear shaft (7) engages with second point of dynamic bevel gear (17), and the second transfer bevel gear shaft (7) extends left steering clutch outer member (1-3);
Described break (26) comprises braking platen (26-3), braking pin shaft (26-4) and a plurality of braking driven plate (26-2) and be disposed on the brake strip (26-1) between braking driven plate (26-2), each braking driven plate (26-2) is connected on right shell body (1-4), each brake strip (26-1) is connected to differential mechanism transmission shaft (16-6), be sleeved on braking platen (26-3) on right axle shaft (27) relative with braking driven plate (26-2), be arranged on braking pin shaft (26-4) on right shell body (1-4) relative with braking platen (26-3), braking pin shaft (26-4) side is extended right shell body (1-4).
2. rice transplanting type transmission for vehicles according to claim 1, it is characterized in that: described steering gear (33) is arranged on left shell (1-1), the outside that left shell (1-1) is positioned at speed change cavity is also provided with the boot-shaped cavity not communicating with speed change cavity and left differential mechanism cavity, lower end cap (1-2) is arranged on left shell (1-1) and is positioned at boot-shaped cavity bottom, steering shaft (33-1) is bearing in by bearing on the top and lower end cap (1-2) of its boot-shaped cavity of left shell (1-1), turn to output shaft (33-3) to be bearing in its boot-shaped cavity bottom of left shell (1-1) by bearing and lower end cap (1-2) is gone up and passed to lower end cap (1-2), being arranged on the tooth sector (33-2) turning on output shaft (33-3) engages with the actuation gear in steering shaft (33-1), and tooth sector (33-2) is provided with block (33-6), turn to clutch control lever shaft (33-4) to be bearing in its boot-shaped cavity bottom of left shell (1-1) by bearing and lower end cap (1-2) is gone up and passed to lower end cap (1-2), turn to the push pedal (33-5) on clutch control lever shaft (33-4) with a side opening, upper symmetrically arranged the pawling of push pedal (33-5) is positioned at the both sides of block (33-6), tooth sector (33-2) is along in the time that the center of rotation that turns to output shaft (33-3) is rotated, block (33-6) is stirred push pedal (33-5) and is turned to clutch control lever shaft (33-4) to rotate along the center of rotation that turns to clutch control lever shaft (33-4), turn to the outside of clutch control lever shaft (33-4) that actuating linkage (2) is installed, regulating tie bar (4) is respectively with actuating linkage (2) with turn to clutch rocking arm (5) to be connected, turn to clutch rocking arm (5) to be connected with steering clutch bearing pin (28-1).
3. rice transplanting type transmission for vehicles according to claim 2, it is characterized in that: described block (33-6) is roller, roller shaft (33-7) is installed on tooth sector (33-2), roller is arranged on roller shaft (33-7), push pedal (33-5) is upper is provided with the arc-shaped limit groove matching with roller in the inner side of pawling, and turns to the center of clutch control lever shaft (33-4) and turn to the center of output shaft (33-3) and the center of block (33-6) on the same line.
4. rice transplanting type transmission for vehicles according to claim 1, it is characterized in that: described transfer transmission shaft (30) middle part is provided with the shaft shoulder, one end of being arranged on its inner ring of free wheel device (29) on transfer transmission shaft (30) is spacing by the shaft shoulder of transfer transmission shaft (30), the other end withstands on bearing by axle sleeve, it is upper that transfer duplicate gear (28) is connected to free wheel device (29) by key, and free wheel device (29) two ends, outer ring are connected with transfer duplicate gear (28) by back-up ring respectively.
5. rice transplanting type transmission for vehicles according to claim 1, it is characterized in that: described transfer drive bevel gear (31) supports on transfer-case cover (1-5) by bearing, it is upper that transfer output bevel gear wheel shaft (32) supports transfer-case cover (1-5) by bearing, and transfer output bevel gear wheel shaft (32) can oppositely be installed.
6. rice transplanting type transmission for vehicles according to claim 1, it is characterized in that: described transmission shaft (13) is Step Shaft, the packing holder that right shell body (1-4) is provided with bearing support and is adjacent, intermediate bearing and seal ring are arranged on transmission shaft (13) and right shell body (1-4) is upper, and selective sliding gear (22) and transfer selective sliding gear (24) respectively key are connected on transmission shaft (13).
7. the rice transplanting type transmission for vehicles described in 1 as requested, it is characterized in that: described steering clutch (21) comprises steering clutch housing (21-2), sliding shaft sleeve (21-9) and a plurality of turn to clutch driven plate (21-7) and be disposed on to turn between clutch driven plate (21-7), turn to clutch friction plate (21-6), semiaxis output is connected with steering clutch housing (21-2) by dynamic bevel gear (20), left-end point output shaft (6) is connected with sliding shaft sleeve (21-9) separately respectively with right end output shaft (8), respectively turn to clutch friction plate (21-6) to be connected with sliding shaft sleeve (21-9), respectively turn to clutch driven plate (21-7) to be connected with steering clutch housing (21-2), sliding shaft sleeve (21-9) end is connected with platen (21-4) by clutch bearing (21-5), between platen (21-4) and steering clutch housing (21-2), butterfly spring (21-3) is also installed.
8. the rice transplanting type transmission for vehicles described in 1 as requested, it is characterized in that: described second point of dynamic bevel gear (17) is bearing on left shell (1-1) and left steering clutch outer member (1-3) by bearing, second point of dynamic bevel gear (17) arranges back-to-back with semiaxis output drive bevel gear (18), and the central axis of left-end point output shaft (6) is parallel with the central axis of the second transfer bevel gear shaft.
9. the rice transplanting type transmission for vehicles described in 1 as requested, it is characterized in that: described differential mechanism transmission shaft (16-6) is step-like, and differential mechanism transmission shaft (16-6) outside is provided with splined shaft, the splined shaft inner side of differential mechanism transmission shaft (16-6) has axle bed, bearing is arranged on the bearing support in the axle bed of differential mechanism transmission shaft (16-6) and right shell body (1-4), and the outer side surface of bearing support is the confined planes of braking driven plate (26-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287784.6U CN203836115U (en) | 2014-05-30 | 2014-05-30 | Vehicle transmission for rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287784.6U CN203836115U (en) | 2014-05-30 | 2014-05-30 | Vehicle transmission for rice transplanter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836115U true CN203836115U (en) | 2014-09-17 |
Family
ID=51513958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287784.6U Withdrawn - After Issue CN203836115U (en) | 2014-05-30 | 2014-05-30 | Vehicle transmission for rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276119A (en) * | 2014-05-30 | 2016-01-27 | 常州东风农机集团有限公司 | Rice transplanter type vehicle transmission |
| CN106224529A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | A kind of farm machine gearbox of improvement |
-
2014
- 2014-05-30 CN CN201420287784.6U patent/CN203836115U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276119A (en) * | 2014-05-30 | 2016-01-27 | 常州东风农机集团有限公司 | Rice transplanter type vehicle transmission |
| CN105276119B (en) * | 2014-05-30 | 2017-07-04 | 常州东风农机集团有限公司 | Rice transplanting type transmission for vehicles |
| CN106224529A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | A kind of farm machine gearbox of improvement |
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