CN205534145U - Power switching case - Google Patents
Power switching case Download PDFInfo
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- CN205534145U CN205534145U CN201620052041.XU CN201620052041U CN205534145U CN 205534145 U CN205534145 U CN 205534145U CN 201620052041 U CN201620052041 U CN 201620052041U CN 205534145 U CN205534145 U CN 205534145U
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Abstract
The utility model relates to a power switching case, it goes up shifting fork mechanism on shifting fork mechanism and the second through the operation is first, changes the engagement of a clutch gear, the 2nd clutch gear and third gear, can realize exporting two output shafts alone or simultaneously with primary power source, drive first gear displacement through operating down shifting fork mechanism, make other the gear out -of -gears of the 2nd gear engagement inclusive AND of first gear and the 6th gear engagement inclusive AND, can make the machine be in the motion state of friction speed. The utility model relates to a rationally, compact structure, easy operation are convenient, operating efficiency is high, can realize transfer output and variable speed output, satisfy the construction requirements of different technologies, inside a plurality of bearings group that adopts can effectively alleviate inside wearing and tearing, has increased the life of spare part.
Description
Technical field
This utility model relates to one and main power source is exported to two output shafts individually or simultaneously, and operate different mechanical parts, it is achieved the transfer device of difference in functionality, specifically a kind of powershift case, belongs to the technical field in engineering machinery ground-based device.
Background technology
In some engineering mechanical devices, need to be allocated power, separately or concurrently export to front axle and rear axle, to reach to carry out power the purpose of reasonable distribution.Especially for the engineering mechanical device that some are large-scale, owing to its functional requirement is more, needing a lot of parts to realize, and drive the direct driving force source of these parts less, so needing to carry out power rationalizing distribution, realizing the operating of each parts.This is accomplished by using transfer device and main power source exports different output shafts individually or simultaneously, and operate different mechanical parts, it is achieved difference in functionality.But more existing conventional transfer device internal structures are more single, and between centers friction fit coefficient is relatively big, bigger to internal part injury so that part exchanging rate is higher, and can only export single-rate, it is difficult to meet the construction requirement of different process.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of powershift case, and it is reasonable in design, and compact conformation, simple to operation, operational efficiency is high.
The technical scheme provided according to this utility model: a kind of powershift case, it is characterized in that: include clutch shaft bearing, first gear, power shaft, second bearing, second gear, 3rd bearing, bearing gland, shaft coupling, casing, first bevel gear, 4th bearing, clutch shaft bearing box, first output shaft, first clutch gear, 3rd gear, 5th bearing, 6th bearing, second output shaft, second bearing box, 7th bearing, second bevel gear, second clutch gear, 4th gear, 5th gear, 6th gear, jackshaft, 8th bearing, lower shift fork mechanism, first upper shift fork mechanism and the second upper shift fork mechanism；Described power shaft is arranged on lower box, and power shaft right-hand member is arranged in the corresponding aperture on lower box left surface by clutch shaft bearing supporting, and with power shaft boring cover positioning package, power shaft boring cover is fixed on casing；Power shaft left end is arranged in bearing gland by the 3rd bearing supporting, and bearing gland is fixed on casing；Described shaft coupling is fixedly mounted on power shaft left end shaft extending portion；Described first gear is connected on power shaft right-hand member spline segment by spline, described second gear is arranged on the centre position of power shaft by the second bearing supporting, second gear right side is provided with cavity, and the inner peripheral surface of this cavity is provided with circle teeth, and these circle teeth can be mated with the first gear and engaged；Described lower shift fork mechanism is arranged on lower box, and lower shift fork mechanism is used for stirring the first gear, makes the first gear move axially on the spline segment of power shaft；Described first output shaft and the second output shaft are co-axially located at casing top, first output shaft left end is arranged in clutch shaft bearing box by the 4th bearing supporting, first output shaft right-hand member is arranged in the left end endoporus of the second output shaft by the 6th bearing supporting, described second output shaft right-hand member is arranged on the second bearing box by the 7th bearing supporting, and clutch shaft bearing box and the second bearing box are fixed by screws on two sides, casing top respectively；Described first clutch gear is connected in the middle part of the first output shaft on overstriking spline segment by spline, described 3rd gear is arranged on the first output shaft right-hand member by the 5th bearing supporting, being respectively equipped with external splines on the outer peripheral face at the 3rd gear hub two ends, the described internal spline of the first clutch gear right-hand member and the external splines of the 3rd gear hub left end match；Described first upper shift fork mechanism is arranged on casing top, and the first upper shift fork mechanism is used for stirring the first clutch gear, makes the first clutch gear move axially on the overstriking spline segment of the first output shaft；Described second clutch gear is connected on the overstriking spline segment of the second output shaft left end by spline, and the internal spline of the second clutch gear left end matches with the external splines of described 3rd gear hub right-hand member；Described second upper shift fork mechanism is arranged on casing top, and the second upper shift fork mechanism is used for stirring the second clutch gear, makes the second clutch gear move axially on the overstriking spline segment of the second output shaft；Described first bevel gear is fixedly mounted on the first output shaft left end shaft extending portion, and described second bevel gear is fixedly mounted on the second output shaft right-hand member axle extending portion；Described jackshaft is arranged in the middle part of casing, and in the corresponding installing hole that jackshaft two ends are arranged in the middle part of casing on two sides by the 8th bearings respectively, and respectively with jackshaft boring cover positioning package, jackshaft boring cover is fixed on casing；Described 4th gear, the 5th gear and the 6th gear are sequentially arranged from left to right, and are all fixedly mounted on jackshaft, have positioning sleeve to carry out spacing outside the 4th gear, the 6th gear；Described first gear can be engaged with the 6th gear under the effect of lower shift fork mechanism or is engaged with the second gear or is all disengaged with the 6th gear and the second gear, described 4th gear and the second gear engage all the time, described 5th bearing and the 3rd bearing engage all the time, described first clutch gear can be connected with the 3rd gear left end by spline or disengage connection under the effect of the first upper shift fork mechanism, and described second clutch gear can be connected by spline with the 3rd gear right-hand member under the second upper shift fork mechanism acts on or disengage connection.
As further improvement of the utility model, being provided with transparent cover outside described bearing gland, described transparent cover is enclosed within shaft coupling, is provided with sealing ring between endoporus and the outer peripheral face of shaft coupling of transparent cover.
As further improvement of the utility model, described lower shift fork mechanism includes the first axle sleeve, lower shifting block, sets aside fork shaft, lower shift fork, the second axle sleeve and handle；Described fork shaft of setting aside passes through the first axle sleeve and the second axle sleeve positioning support in casing lower end, set aside the end that fork shaft is positioned at outside casing and fixedly mount handle by pin, set aside fork shaft and be positioned at the middle part fixed installation lower shift fork of casing, installing lower shifting block on described lower shift fork, described lower shifting block and the first gear connect.
As further improvement of the utility model, described lower shift fork is semi-circular, and outer back is provided with installing hole in the middle of lower shift fork, described in set aside fork shaft and through the installing hole of lower shift fork and pass through the first key and be connected with lower shift fork；A lower shifting block is respectively installed at described lower shift fork two ends, and under two pieces, shifting block 180 degree is symmetrical and corresponding respectively snaps in two 180 degree of symmetrical grooves on the first gear.
As further improvement of the utility model, described first upper shift fork mechanism includes hands handle, the 3rd axle sleeve, upper shift fork axle, upper shift fork, upper shifting block and the 4th axle sleeve；Upper shift fork axle passes through the 3rd axle sleeve and the 4th axle sleeve positioning support in casing upper end, the end that upper shift fork axle is positioned at outside casing fixedly mounts hands handle by pin, upper shift fork axle is positioned at the middle part fixed installation upper shift fork of casing, install shifting block, described upper shifting block and the first clutch gear on described upper shift fork to connect；The structure of described second upper shift fork mechanism is identical with the first upper shift fork mechanism.
As further improvement of the utility model, described upper shift fork is semi-circular, and in the middle of upper shift fork, outer back is provided with installing hole, and described upper shift fork axle through the installing hole of upper shift fork and is connected with upper shift fork by the second key；A upper shifting block is respectively installed at described upper shift fork two ends, and in two pieces, shifting block 180 degree is symmetrical and corresponding respectively snaps in two 180 degree of symmetrical grooves on the first clutch gear.
As further improvement of the utility model, described second bearing, the 4th bearing, the 5th bearing and the 7th bearing are all two one group, are respectively equipped with spacer between two the second bearings, between two the 4th bearings, between two the 5th bearings and between two the 7th bearings.
As further improvement of the utility model, described shaft coupling is connected cooperation by internal splines with power shaft.
As further improvement of the utility model, described first bevel gear is connected by spline and the first output shaft right-hand member and coordinates, and described second bevel gear is connected by spline and the second output shaft right-hand member and coordinates.
This utility model compared with prior art, has the advantage that
(1), this utility model reasonable in design, compact conformation, simple to operation, operational efficiency is high, it is possible to achieve transfer output and speed change export, and meet the construction requirement of different process.
(2), this utility model is internal uses multiple bearing group, can effectively alleviate inter deterioration, add the service life of parts.
(3), structure of the present utility model be suitable for designing relatively big, bigger Power Component can be used, export bigger moment of torsion.
Accompanying drawing explanation
Fig. 1 is the main sectional view of this utility model embodiment.
Fig. 2 is the sectional view of this utility model embodiment.
Fig. 3 is the structural representation of the second gear in Fig. 1.
Fig. 4 is the structural representation of the 3rd gear in Fig. 1.
Fig. 5 is the structural representation of the first output shaft in Fig. 1.
Fig. 6 is the structural representation of the second output shaft in Fig. 1.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
nullAs shown in the figure: the powershift case in embodiment is mainly by clutch shaft bearing 1、First gear 2、Power shaft 3、Second bearing 4、Second gear 5、3rd bearing 6、Bearing gland 7、Transparent cover 8、Shaft coupling 9、First axle sleeve 10、Lower shifting block 11、Set aside fork shaft 12、First key 13、Lower shift fork 14、Second axle sleeve 15、Casing 16、Handle 17、Hands is 18、3rd axle sleeve 19、Upper shift fork axle 20、Second key 21、Upper shift fork 22、Upper shifting block 23、4th axle sleeve 24、First bevel gear 25、4th bearing 26、Clutch shaft bearing box 27、First output shaft 28、First clutch gear 29、3rd gear 30、5th bearing 31、6th bearing 32、Second output shaft 33、Second bearing box 34、7th bearing 35、Second bevel gear 36、Second clutch gear 37、4th gear 38、5th gear 39、6th gear 40、Jackshaft 41、8th bearing 42、Jackshaft boring cover 43 and power shaft boring cover 44 etc. form.
As shown in Fig. 1 ~ Fig. 3, described power shaft 3 is arranged on casing 16 bottom, power shaft 3 right-hand member is arranged in the corresponding aperture on casing 16 lower left side face by clutch shaft bearing 1 supporting, and with power shaft boring cover 44 positioning package, power shaft boring cover 44 is bolted on casing 16；Power shaft 3 left end is arranged in bearing gland 7 by the 3rd bearing 6 supporting, and bearing gland 7 is bolted on casing 16；Being provided with transparent cover 8 outside described bearing gland 7, described transparent cover 8 is enclosed within shaft coupling 9, is provided with sealing ring between endoporus and the outer peripheral face of shaft coupling 9 of transparent cover 8；Described shaft coupling 9 is fixedly mounted on power shaft 3 left end shaft extending portion；Described first gear 2 is connected on power shaft 3 right-hand member spline segment by spline, described second gear 5 is arranged on the centre position of power shaft 3 by the second bearing 4 supporting, second gear 5 right side is provided with cavity, the inner peripheral surface of this cavity is provided with circle teeth, and these circle teeth can be mated with the first gear 2 and engaged；Described lower shift fork mechanism is arranged on casing 16 bottom, and lower shift fork mechanism is used for stirring the first gear 2, makes the first gear 2 move axially on the spline segment of power shaft 3.
In this utility model embodiment, described lower shift fork mechanism mainly by the first axle sleeve 10, lower shifting block 11, set aside fork shaft the 12, first key 13, lower shift fork the 14, second axle sleeve 15 and handle 17 and form；Described set aside fork shaft 12 by the first axle sleeve 10 and the second axle sleeve 15 positioning support in casing 16 lower end, set aside the end that fork shaft 12 is positioned at outside casing 16 and fixedly mount handle 17 by pin, set aside fork shaft 12 and be positioned at the middle part fixed installation lower shift fork 14 of casing 16；Described lower shift fork 14 is semi-circular, and outer back is provided with installing hole in the middle of lower shift fork 14, described in set aside fork shaft 12 and through the installing hole of lower shift fork 14 and pass through the first key 13 and be connected with lower shift fork 14；A lower shifting block 11 is respectively installed at described lower shift fork 14 two ends, and under two pieces, shifting block 11180 degree is symmetrical and corresponding respectively snaps in two 180 degree of symmetrical grooves on the first gear 2.
As shown in Figure 1, Figure 2, shown in Fig. 4 ~ Fig. 6, described first output shaft 28 and the second output shaft 33 are co-axially located at casing 16 top, first output shaft 28 left end is arranged in clutch shaft bearing box 27 by the 4th bearing 26 supporting, first output shaft 28 right-hand member is arranged in the left end endoporus of the second output shaft 33 by the 6th bearing 32 supporting, described second output shaft 33 right-hand member is arranged on the second bearing box 34 by the 7th bearing 35 supporting, and clutch shaft bearing box 27 and the second bearing box 34 are fixed by screws on two sides, casing 16 top respectively；Described first clutch gear 29 is connected in the middle part of the first output shaft 28 on overstriking spline segment by spline, described 3rd gear 30 is arranged on the first output shaft 28 right-hand member by the 5th bearing 31 supporting, being respectively equipped with external splines on the outer peripheral face at the 3rd gear 30 wheel hub two ends, the described internal spline of the first clutch gear 29 right-hand member and the external splines of the 3rd gear 30 wheel hub left end match；Described first upper shift fork mechanism is arranged on casing 16 top, and the first upper shift fork mechanism is used for stirring the first clutch gear 29, makes the first clutch gear 29 move axially on the overstriking spline segment of the first output shaft 28；Described second clutch gear 37 is connected on the overstriking spline segment of the second output shaft 33 left end by spline, and the internal spline of the second clutch gear 37 left end matches with the external splines of described 3rd gear 30 wheel hub right-hand member；Described second upper shift fork mechanism is arranged on casing 16 top, and the second upper shift fork mechanism is used for stirring the second clutch gear 37, makes the second clutch gear 37 move axially on the overstriking spline segment of the second output shaft 33；Described first bevel gear 25 is fixedly mounted on the first output shaft 28 left end shaft extending portion, and described second bevel gear is fixedly mounted on the second output shaft 33 right-hand member axle extending portion.
In this utility model embodiment, described first upper shift fork mechanism is mainly made up of the 18, the 3rd axle sleeve 19, upper shift fork axle the 20, second key 21, upper shift fork 22, upper shifting block 23 and the 4th axle sleeve 24 etc. hands；Upper shift fork axle 20 is by the 3rd axle sleeve 19 and the 4th axle sleeve 24 positioning support in casing 16 upper end, and the end that upper shift fork axle 20 is positioned at outside casing 16 is by pin fixed installation hands 18, and upper shift fork axle 20 is positioned at the middle part of casing 16 and fixedly mounts upper shift fork 22；Described upper shift fork 22 is semi-circular, and in the middle of upper shift fork 22, outer back is provided with installing hole, and described upper shift fork axle 20 through the installing hole of upper shift fork 22 and is connected with upper shift fork 22 by the second key 21；A upper shifting block 23 is respectively installed at described upper shift fork 22 two ends, in two pieces 23180 degree of symmetries of shifting block and respectively correspondence snap in the first clutch gear 29.
The structure of described second upper shift fork mechanism is identical with the first upper shift fork mechanism, therefore here is omitted.
As shown in Figure 1 and Figure 2, described jackshaft 41 is arranged in the middle part of casing 16, jackshaft 41 two ends are supported by the 8th bearing 42 in the corresponding installing hole being arranged in the middle part of casing 16 on two sides respectively, and use jackshaft boring cover 43 positioning package respectively, jackshaft boring cover 43 is bolted on casing 16；Described 4th gear the 38, the 5th gear 39 and the 6th gear 40 are sequentially arranged from left to right, and are all fixedly mounted on jackshaft 41, have positioning sleeve to carry out spacing outside the 4th gear the 38, the 6th gear 40；Described first gear 2 can be engaged with the 6th gear 40 under the effect of lower shift fork mechanism or be engaged with the second gear 5 or all be disengaged with the 6th gear 40 and the second gear 5, described 4th gear 38 engages all the time with the second gear 5, described 5th bearing 31 engages all the time with the 3rd bearing 6, described first clutch gear 29 can be connected with the 3rd gear 30 left end by spline or disengage connection under the effect of the first upper shift fork mechanism, and described second clutch gear 37 can be connected by spline with the 3rd gear 30 right-hand member under the second upper shift fork mechanism acts on or disengage connection.
In this utility model embodiment, described second bearing the 4, the 4th bearing the 26, the 5th bearing 31 and the 7th bearing 35 are all two one group, are respectively equipped with spacer between two the second bearings 4, between two the 4th bearings 26, between two the 5th bearings 31 and between two the 7th bearings 35.Described shaft coupling 9 is connected cooperation by internal splines with power shaft 3.Described first bevel gear 25 is connected by spline and the first output shaft 28 right-hand member and coordinates, and described second bevel gear is connected by spline and the second output shaft 33 right-hand member and coordinates.
Operation principle of the present utility model is as follows:
Transfer principle: Power Component is connected with shaft coupling 9 by bolt, and input torque, band driven input shaft 3 rotates；Due between the second gear 5 and power shaft 3 equipped with the second bearing 4, therefore the second gear 5 does not rotates, and the first gear 2 rotates under the drive of spline；Now the first gear 2 engages with the 6th gear 40 under lower shift fork mechanism controls, thus drives jackshaft 41 to rotate, the 4th gear 38 and the 5th gear 39 also concomitant rotation；Owing to the 5th gear 39 engages with the 3rd gear 30, therefore the 3rd gear 30 rotates；Now by the hands operated in the first upper shift fork mechanism 18, upper shift fork axle 20 is made to drive upper shift fork 22 to rotate, the upper shifting block 23 of upper shift fork 22 twisting, first clutch gear 29 is promoted to the right, the first clutch gear 29 right-hand member and the 3rd gear 30 wheel hub left end is made to be connected by spline, so that the first clutch gear 29 rotates with the 3rd gear 30, the first clutch gear 29 drives the first output shaft 28 to rotate again；Due to the first bevel gear 25 by spline fitted on the first output shaft 28, therefore the first bevel gear 25 rotates with the first output shaft 28, thus finally exports moment of torsion；In like manner, by operating the second upper shift fork mechanism, the second clutch gear 37 can be made to be moved to the left, second clutch gear 37 left end and the 3rd gear 30 wheel hub right-hand member are connected by spline, the second output shaft 33 can be realized rotate, thus drive the rotation of the second bevel gear, export moment of torsion.By changing the first clutch gear the 29, second clutch gear 37 and engagement of the 3rd gear 30, can realize main power source exports two output shafts individually or simultaneously.
Transmission principle: the handle 17 in operation lower shift fork mechanism, handle 17 drive is set aside fork shaft 12 and is rotated, and sets aside fork shaft 12 and drives lower shift fork 14 to rotate, so that lower shifting block 11 drives the first gear 2 displacement by the first key 13；When the first gear 2 engages with the 6th gear 40, machine is in the state that slowly runs；When the first gear 2 moves to the centre position do not engaged with other gears, machine is in idling conditions；When the first gear 2 moves to engage with the second gear 5, machine is in high-speed motion state.
Claims (9)
- null1. a powershift case，It is characterized in that: include clutch shaft bearing (1)、First gear (2)、Power shaft (3)、Second bearing (4)、Second gear (5)、3rd bearing (6)、Bearing gland (7)、Shaft coupling (9)、Casing (16)、First bevel gear (25)、4th bearing (26)、Clutch shaft bearing box (27)、First output shaft (28)、First clutch gear (29)、3rd gear (30)、5th bearing (31)、6th bearing (32)、Second output shaft (33)、Second bearing box (34)、7th bearing (35)、Second bevel gear、Second clutch gear (37)、4th gear (38)、5th gear (39)、6th gear (40)、Jackshaft (41)、8th bearing (42)、Lower shift fork mechanism、First upper shift fork mechanism and the second upper shift fork mechanism；Described power shaft (3) is arranged on casing (16) bottom, power shaft (3) right-hand member is arranged in the corresponding aperture on casing (16) lower left side face by clutch shaft bearing (1) supporting, and with power shaft boring cover (44) positioning package, power shaft boring cover (44) is fixed on casing (16)；Power shaft (3) left end is arranged in bearing gland (7) by the 3rd bearing (6) supporting, and bearing gland (7) is fixed on casing (16)；Described shaft coupling (9) is fixedly mounted on power shaft (3) left end shaft extending portion；Described first gear (2) is connected on power shaft (3) right-hand member spline segment by spline, described second gear (5) is arranged on the centre position of power shaft (3) by the second bearing (4) supporting, second gear (5) right side is provided with cavity, the inner peripheral surface of this cavity is provided with circle teeth, and these circle teeth can be mated with the first gear (2) and engaged；Described lower shift fork mechanism is arranged on casing (16) bottom, and lower shift fork mechanism is used for stirring the first gear (2), makes the first gear (2) move axially on the spline segment of power shaft (3)；Described first output shaft (28) and the second output shaft (33) are co-axially located at casing (16) top, first output shaft (28) left end is arranged in clutch shaft bearing box (27) by the 4th bearing (26) supporting, first output shaft (28) right-hand member is arranged in the left end endoporus of the second output shaft (33) by the 6th bearing (32) supporting, described second output shaft (33) right-hand member is arranged on the second bearing box (34) by the 7th bearing (35) supporting, clutch shaft bearing box (27) and the second bearing box (34) are fixed by screws on casing (16) two sides, top respectively；Described first clutch gear (29) is connected on the overstriking spline segment of the first output shaft (28) middle part by spline, described 3rd gear (30) is arranged on the first output shaft (28) right-hand member by the 5th bearing (31) supporting, being respectively equipped with external splines on the outer peripheral face at the 3rd gear (30) wheel hub two ends, the described internal spline of the first clutch gear (29) right-hand member and the external splines of the 3rd gear (30) wheel hub left end match；Described first upper shift fork mechanism is arranged on casing (16) top, and the first upper shift fork mechanism is used for stirring the first clutch gear (29), makes the first clutch gear (29) move axially on the overstriking spline segment of the first output shaft (28)；Described second clutch gear (37) is connected on the overstriking spline segment of the second output shaft (33) left end by spline, and the internal spline of the second clutch gear (37) left end matches with the external splines of described 3rd gear (30) wheel hub right-hand member；Described second upper shift fork mechanism is arranged on casing (16) top, and the second upper shift fork mechanism is used for stirring the second clutch gear (37), makes the second clutch gear (37) move axially on the overstriking spline segment of the second output shaft (33)；Described first bevel gear (25) is fixedly mounted on the first output shaft (28) left end shaft extending portion, and described second bevel gear is fixedly mounted on the second output shaft (33) right-hand member axle extending portion；Described jackshaft (41) is arranged on casing (16) middle part, jackshaft (41) two ends are supported by the 8th bearing (42) in the corresponding installing hole being arranged on two sides, casing (16) middle part respectively, and use jackshaft boring cover (43) positioning package respectively, jackshaft boring cover (43) is fixed on casing (16)；Described 4th gear (38), the 5th gear (39) and the 6th gear (40) are sequentially arranged from left to right, and are all fixedly mounted on jackshaft (41), have positioning sleeve to carry out spacing outside the 4th gear (38), the 6th gear (40)；Described first gear (2) can be engaged with the 6th gear (40) under the effect of lower shift fork mechanism or is engaged with the second gear (5) or is all disengaged with the 6th gear (40) and the second gear (5), described 4th gear (38) engages all the time with the second gear (5), described 5th bearing (31) engages all the time with the 3rd bearing (6), described first clutch gear (29) can be connected by spline with the 3rd gear (30) left end under the effect of the first upper shift fork mechanism or disengage connection, described second clutch gear (37) can be connected by spline with the 3rd gear (30) right-hand member under the effect of the second upper shift fork mechanism or disengage connection.
- 2. powershift case as claimed in claim 1, it is characterized in that: described bearing gland (7) outside is provided with transparent cover (8), described transparent cover (8) is enclosed within shaft coupling (9), is provided with sealing ring between endoporus and the outer peripheral face of shaft coupling (9) of transparent cover (8).
- 3. powershift case as claimed in claim 1, it is characterised in that: described lower shift fork mechanism includes the first axle sleeve (10), lower shifting block (11), sets aside fork shaft (12), lower shift fork (14), the second axle sleeve (15) and handle (17)；Described fork shaft (12) of setting aside passes through the first axle sleeve (10) and the second axle sleeve (15) positioning support in casing (16) lower end, set aside fork shaft (12) and be positioned at casing (16) end outward by pin fixed installation handle (17), set aside fork shaft (12) and be positioned at middle part fixed installation lower shift fork (14) of casing (16), described lower shift fork (14) is upper installs lower shifting block (11), and described lower shifting block (11) is connected with the first gear (2).
- 4. powershift case as claimed in claim 3, it is characterized in that: described lower shift fork (14) is semi-circular, outer back is provided with installing hole in the middle of lower shift fork (14), described in set aside fork shaft (12) and through the installing hole of lower shift fork (14) and pass through the first key (13) and be connected with lower shift fork (14)；A lower shifting block (11) is respectively installed at described lower shift fork (14) two ends, and under two pieces, shifting block (11) 180 degree is symmetrical and in correspondence snaps in two 180 degree of symmetrical grooves on the first gear (2) respectively.
- 5. powershift case as claimed in claim 1, it is characterised in that: described first upper shift fork mechanism includes that hands is (18), the 3rd axle sleeve (19), upper shift fork axle (20), upper shift fork (22), upper shifting block (23) and the 4th axle sleeve (24)；Upper shift fork axle (20) passes through the 3rd axle sleeve (19) and the 4th axle sleeve (24) positioning support in casing (16) upper end, upper shift fork axle (20) is positioned at casing (16) end outward by pin fixed installation hands (18), upper shift fork axle (20) is positioned at middle part fixed installation upper shift fork (22) of casing (16), installing shifting block (23) on described upper shift fork (22), described upper shifting block (23) is connected with the first clutch gear (29)；The structure of described second upper shift fork mechanism is identical with the first upper shift fork mechanism.
- 6. powershift case as claimed in claim 5, it is characterized in that: described upper shift fork (22) is semi-circular, in the middle of upper shift fork (22), outer back is provided with installing hole, and described upper shift fork axle (20) through the installing hole of upper shift fork (22) and is connected with upper shift fork (22) by the second key (21)；A upper shifting block (23) is respectively installed at described upper shift fork (22) two ends, shifting block (23) 180 degree symmetry in correspondence snaps in two 180 degree of symmetrical grooves on the first clutch gear (29) respectively in two pieces.
- 7. powershift case as claimed in claim 1, it is characterized in that: described second bearing (4), the 4th bearing (26), the 5th bearing (31) and the 7th bearing (35) are all two one group, between two the second bearings (4), between two the 4th bearings (26), between two the 5th bearings (31) and between two the 7th bearings (35), be respectively equipped with spacer.
- 8. powershift case as claimed in claim 1, it is characterised in that: described shaft coupling (9) is connected cooperation by internal splines with power shaft (3).
- 9. powershift case as claimed in claim 1, it is characterised in that: described first bevel gear (25) is connected by spline and the first output shaft (28) right-hand member and coordinates, and described second bevel gear is connected by spline and the second output shaft (33) right-hand member and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052041.XU CN205534145U (en) | 2016-01-19 | 2016-01-19 | Power switching case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052041.XU CN205534145U (en) | 2016-01-19 | 2016-01-19 | Power switching case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534145U true CN205534145U (en) | 2016-08-31 |
Family
ID=56766599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620052041.XU Withdrawn - After Issue CN205534145U (en) | 2016-01-19 | 2016-01-19 | Power switching case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508574A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Power switching box |
-
2016
- 2016-01-19 CN CN201620052041.XU patent/CN205534145U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508574A (en) * | 2016-01-19 | 2016-04-20 | 江苏省无锡探矿机械总厂有限公司 | Power switching box |
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Granted publication date: 20160831 Effective date of abandoning: 20171128 |
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