CN206130074U - General controlling device of overgear gearbox - Google Patents

General controlling device of overgear gearbox Download PDF

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Publication number
CN206130074U
CN206130074U CN201620959437.2U CN201620959437U CN206130074U CN 206130074 U CN206130074 U CN 206130074U CN 201620959437 U CN201620959437 U CN 201620959437U CN 206130074 U CN206130074 U CN 206130074U
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CN
China
Prior art keywords
shifting
gearshift
overgear
block selecting
block
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CN201620959437.2U
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Chinese (zh)
Inventor
占伟
李�杰
李建华
鞠永生
郭晓艳
周万勇
吴志红
王树彬
向盼
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN201620959437.2U priority Critical patent/CN206130074U/en
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Publication of CN206130074U publication Critical patent/CN206130074U/en
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Abstract

The utility model provides a general controlling device of overgear gearbox, the rocking arm that includes that the gearbox selects selector shaft and the selection that go up to set up is shifted, select gear shifting push head, the gearbox selects selector shaft's one end to shift through the selection, and the rocking arm keeps off the flexible axle with the selection respectively, flexible axle transmission coordination shifts, the other end that the gearbox selected selector shaft is through selecting gear shifting push head and shifting guide block transmission coordination, the selection keeps off the flexible axle and keeps off position conversion equipment and the selection rocking arm transmission coordination that shifts through the overgear, the overgear keeps off position conversion equipment and includes the selector fork, the upper end of selector fork and the upper end transmission coordination who selects the rocking arm of shifting, the lower extreme of selector fork and the lower extreme transmission coordination who selects the rocking arm of shifting, the gearbox selects selector shaft to go up the cover and is equipped with interlocking seat, select behind the gear shifting push head drawing -in interlocking seat and shift guide block transmission coordination. Not only simple structure, low in manufacturing cost are designed to this, need not to change gearbox inner structure moreover and can realize that the gearbox keeps off the preface reversal.

Description

A kind of overgear change speed gear box General-purpose manipulators
Technical field
This utility model is related to gear box operating device, more particularly to a kind of overgear change speed gear box General-purpose manipulators, tool Body is applied to and simplifies gearbox designs, reduces design and manufacture cost.
Background technology
With flourishing for automobile market, the change speed gear box of a basic model is required for being equipped with direct gear and overgear two It is more than kind that speed compares to meet the needs for the segmenting market.With the lifting that market is required automobile gear shift comfortableness, power assisted gearshift system System is also increasingly widely used in the middle of gearbox shifting system, particularly commercial vehicle market.Due to the tooth of overgear change speed gear box Wheel arrangement is had any different with direct gear, causes the operating mechanism that original direct gear change speed gear box is used to have no idea directly to adapt to together On the overgear change speed gear box of platform.In order to solve this problem, manufacturer have to redesign new steerable system or Increase gearshift switching mechanism in original steerable system.Both modes are required for redesigning at least one new selector fork To meet requirement.
Chinese patent Authorization Notice No. is CN204213322U, and authorized announcement date is the utility model on March 18th, 2015 Patent discloses a kind of top cover control mechanism assembly with overgear translation function, has gearshift conversion to shake on the inside of top cover assembly Arm sub-unit, gearshift conversion rocking arm sub-unit includes gearshift conversion rocking arm, spacer, pivot bolt, locking nut, guide plate, changes On locking nut, one end is stuck on gear shifting pulling head gear conversion rocking arm middle part empty set, and the other end is stuck on gearshift guide block.Top cover is total Into inner side install gearshift conversion rocking arm, when gear shifting pulling head stir in one direction gearshift conversion rocking arm when, gearshift conversion rocking arm The other end drive gearshift guide block in the opposite direction, so as to by using lever principle, realize on top cover control mechanism assembly Change with the gearshift of direct gear overgear.Although the utility model can realize the commutation of overgear, it still suffers from following lacking Fall into:
The utility model needs additionally to increase a reversing arrangement to meet the gearshift need of overgear in transmission internal Ask, occupy larger arrangement space, increased installation difficulty, improve production cost.
The content of the invention
The purpose of this utility model is to overcome needed present in prior art additionally to increase commutation dress in transmission internal A kind of problem put, there is provided overgear change speed gear box General-purpose manipulators without the need for increasing reversing arrangement in transmission internal.
To realize object above, technical solution of the present utility model is:
A kind of overgear change speed gear box General-purpose manipulators, including gearbox selector shifting shaft and the shifting that arranges thereon shake Arm, shifting shifting block, one end of the gearbox selector shifting shaft is passed respectively by shifting rocking arm with block selecting flexible axle, gearshift flexible axle Dynamic to coordinate, the other end of the gearbox selector shifting shaft is coordinated by shifting shifting block with gearshift guide block transmission;
The block selecting flexible axle is coordinated by overgear gear conversion equipment with shifting rocking-arm driving, the overgear gear Conversion equipment includes selector fork, and the upper end of the selector fork coordinates with the upper end transmission of shifting rocking arm, under the selector fork End coordinates with the lower end transmission of shifting rocking arm.
The gearbox selector shifting shaft is circular tube structure, and the shifting rocking arm is welded in change speed gear box with shifting shifting block On the outer wall of shifting axle, interlock seat is arranged with the gearbox selector shifting shaft, the shifting shifting block is passed after interlock seat Coordinate with gearshift guide block transmission.
It is fixedly connected with from lock on the gearbox selector shifting shaft, the section from lock is W types, described from lock With the spacing cooperation of lock valve, it is welded on the outer wall of gearbox selector shifting shaft from lock.
The selector fork includes U-shaped fork arm, general gear block selecting bar, direct gear overgear block selecting bar and actuator push rod, described General gear block selecting bar and direct gear overgear block selecting bar are arranged each parallel to gearbox selector shifting shaft, the general gear block selecting bar One end coordinates with the first gearshift hole insertion of shifting rocking arm upper end, the other end and U-shaped fork arm of the general gear block selecting bar Upper end is fixedly connected, and one end of the direct gear overgear block selecting bar is matched somebody with somebody with the second gearshift hole insertion of shifting rocking arm lower end Close, the other end of the direct gear overgear block selecting bar is fixedly connected with the lower end of U-shaped fork arm, the middle part of the U-shaped fork arm is consolidated Surely actuator push rod is connected with, the actuator push rod coordinates with gearshift soft axle transmission.
The overgear gear conversion equipment also includes power assisted gearshift device, clutch end and the biography of the power assisted gearshift device One end of dynamic push rod is fixedly connected, and the other end of the actuator push rod is fixedly connected with the middle part of U-shaped fork arm, the actuator push rod Middle part with gearshift soft axle transmission coordinate, the power assisted gearshift device be pneumatic means.
The selector fork also includes U-shaped transmission slotware, and the bottom of the U-shaped transmission slotware is fixed with the middle part of actuator push rod Connection, the U-shaped transmission slotware is arranged parallel to gearbox selector shifting shaft, and the gearshift flexible axle passes sequentially through L-type gearshift transmission Plate, U-shaped transmission slotware, actuator push rod coordinate with the transmission of U-shaped fork arm;
One end of the L-type gearshift driver plate is connected with gearshift flexible axle, and the other end of L-type gearshift driver plate passes through its bottom The gearshift shifting block in portion coordinates with U-shaped transmission slotware transmission, and in the middle part of the L-type gearshift driver plate gearshift dowel hole is offered, The gearshift alignment pin for rotating cooperation, the bottom of the gearshift alignment pin and change speed gear box are provided with the gearshift dowel hole Housing is fixedly connected.
The end face of the general gear block selecting bar is with the end face of direct gear overgear block selecting bar along gearbox selector shifting shaft axial direction Minimum range be 1 millimeter to 3 millimeters, it is described it is general gear block selecting bar end face be with the end face of direct gear overgear block selecting bar Globoidal structure.
The interlock seat includes base and interlocking block, and the section of the base is inverted U-shaped structure, is opened in the middle part of the base Shifting block installing hole is provided with, the shifting shifting block is engaged with shifting block installing hole, the both sides of the base top shifting block installing hole An interlocking block structure is each provided with, be may be contained within gearbox selector retaining groove at the top of the interlocking block and shifting shifting block;Institute State the overall diameter of the A/F less than gearbox selector shifting shaft of base bottom.
Block selecting U-type groove is provided with the top of the shifting rocking arm, the block selecting U-type groove is perpendicular to gearbox selector shifting shaft Arrange, the block selecting flexible axle passes sequentially through L-type block selecting driver plate, block selecting U-type groove, shifting rocking arm and gearbox selector shifting shaft and passes It is dynamic to coordinate;
One end of the L-type block selecting driver plate is connected with block selecting flexible axle, and the other end of L-type block selecting driver plate passes through its bottom The block selecting shifting block in portion coordinates with the transmission of block selecting U-type groove, and block selecting dowel hole, institute are offered in the middle part of the L-type block selecting driver plate State and the block selecting alignment pin for rotating cooperation is provided with block selecting dowel hole, the bottom of the block selecting alignment pin and transmission housing Body is fixedly connected.
Compared with prior art, the beneficial effects of the utility model are:
1st, the upper/lower terminal of the shifting rocker structure in a kind of overgear change speed gear box General-purpose manipulators of this utility model Gearshift can be driven, using the different block selecting bar of the block selecting spor ts choice of shifting rocking arm, be elected to gear-shifting rocker arm with general gear choosing When pin coordinates transmission, manipulation device can complete the shifting of general gear;Elected gear-shifting rocker arm exceeds the speed limit with direct gear When gear block selecting bar transmission coordinates, reversely, manipulation device can realize the gearshift of direct gear and overgear to gear shifting force;It is above-mentioned to set Meter is capable of achieving change speed gear box gear sequence reversion without the need for increasing gearshift switching mechanism in addition in transmission internal, greatly reduces change speed gear box Design cost and manufacture processing cost, improve the universality of change speed gear box;While the selector fork and shifting rocking arm of the design Simple structure, easily fabricated assembling, practical value are high, can effectively reduce manufacturing cost.Therefore, the design structure letter Single, universality is high, and without the need for changing transmission internal structure change speed gear box gear sequence reversion is capable of achieving.
2nd, in a kind of overgear change speed gear box General-purpose manipulators of this utility model interlock seat structure, can not only avoid choosing The situation of gear shifting pulling head by mistake gearshift, and can during block selecting specification shifting rocking arm movement locus, further carry The block selecting reliability of high selector fork and shifting rocking arm.Therefore, the design can effectively realize interlocking, and block selecting reliability is high.
3rd, gearbox selector shifting shaft adopts hollow-core construction in a kind of overgear change speed gear box General-purpose manipulators of this utility model, The design is effectively reduced the weight of shifting axle on the premise of shifting axle necessity mechanical strength is ensured, realizes device light Quantify;Shifting shifting block, shifting rocking arm and it is welded on shifting axle from lock, alleviates gearbox selector shifting shaft weight Amount, simplifies manufacturing process and assembly technology, effectively reduces manufacturing cost, shortens installation work-hour.Therefore, the change of the design Fast case shifting axle construction is simple, it is easy to which assembling is installed, and quality is less is conducive to device lightweight.
4th, selector fork and the transmission of power assisted gearshift device coordinate in a kind of overgear change speed gear box General-purpose manipulators of this utility model, The structure of power assisted gearshift device can provide power-assisted for gear shift operation, improve the comfort level of driver's gearshift.Therefore, the design gearshift Operate smooth, shifting comfort good.
5th, the general end face and direct gear for keeping off block selecting bar in a kind of overgear change speed gear box General-purpose manipulators of this utility model Minimum range of the end face of overgear block selecting bar along gearbox selector shifting shaft axial direction is 1 millimeter to 3 millimeters, and such design is effective The accuracy of shifting rocking arm block selecting is ensure that, the reliability of gear selection mechanism is improve;Meanwhile, the end face of general gear block selecting bar with The end face of direct gear overgear block selecting bar is globoidal structure, such to be designed to further ensure that the block selecting of shifting rocking arm is grasped Make without interference, further increase the reliability of gear selection mechanism.Therefore, accurately, gear selection mechanism reliability is high for the design block selecting.
6th, L-type gearshift driver plate and L-type block selecting transmission in a kind of overgear change speed gear box General-purpose manipulators of this utility model Plate is directly fixed on gear box casing respectively by shift gears alignment pin and block selecting alignment pin, without the need for arrange in addition support or Arrange boss on gear box casing to fix, while L-type gearshift driver plate is designed to simple L-type, structure with L-type block selecting driver plate Simply, processing technique requirement is low, and its production cost greatly reduces.Therefore, the drive mechanism of the design is simple, installation side Just, without the need for arranging mounting seat low production cost.
7th, a kind of overgear change speed gear box General-purpose manipulators of this utility model are when in use by the movement of shifting rocking arm To select different block selecting bars, then the rotation of gearbox selector shifting shaft is driven by the motion of block selecting bar, when selector fork does same During action, different block selecting bars coordinate with shifting rocking arm, and the direction of rotation of fast case shifting axle is contrary.Therefore, the design knot Structure is simple, easy to use, and without the need for changing transmission internal structure change speed gear box gear sequence reversion is capable of achieving.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is dimensional structure diagram of the present utility model.
Fig. 3 is the structural representation of selector fork in Fig. 1.
Fig. 4 is the structural representation of interlock seat in Fig. 1.
Fig. 5 is the assembling schematic diagram of interlock seat in Fig. 1.
Fig. 6 is from the structural representation of lock in Fig. 1.
Fig. 7 is the structural representation of L-type gearshift driver plate in Fig. 1.
Fig. 8 is the structural representation of L-type block selecting driver plate in Fig. 1.
In figure:Gearbox selector shifting shaft 1, overgear gear conversion equipment 11, shifting rocking arm 2, first gearshift hole 21, the Two gearshift holes 22, block selecting U-type groove 23, selector fork 3, U-shaped fork arm 31, general gear block selecting bar 32, direct gear overgear block selecting bar 33, Actuator push rod 34, U-shaped driving groove 35, shifting shifting block 4, interlock seat 5, shifting block installing hole 51, base 52, interlocking block 53, gearshift Booster 6, shift gears from lock 7, lock valve 71, L-type driver plate 8, gearshift shifting block 81, gearshift dowel hole 82, gearshift alignment pin 83rd, L-type block selecting driver plate 9, block selecting shifting block 91, block selecting dowel hole 92, block selecting alignment pin 93.
Specific embodiment
This utility model is described in further detail below in conjunction with description of the drawings and specific embodiment.
Referring to Fig. 1 to Fig. 8, a kind of overgear change speed gear box General-purpose manipulators, including gearbox selector shifting shaft 1 and set thereon Shifting rocking arm 2, the shifting shifting block 4 put, one end of the gearbox selector shifting shaft 1 by shifting rocking arm 2 respectively with choosing Gear flexible axle, gearshift soft axle transmission coordinate, and the other end of the gearbox selector shifting shaft 1 is by shifting shifting block 4 and gearshift guide block Transmission coordinates;
The block selecting flexible axle is coordinated by overgear gear conversion equipment 11 with the transmission of shifting rocking arm 2, the overgear Gear conversion equipment 11 includes selector fork 3, and the upper end of the selector fork 3 coordinates with the upper end transmission of shifting rocking arm 2, described to change The lower end of gear fork 3 coordinates with the lower end transmission of shifting rocking arm 2.
The gearbox selector shifting shaft 1 is circular tube structure, and the shifting rocking arm 2 is welded in change with shifting shifting block 4 On the outer wall of fast case shifting axle 1, interlock seat 5 is arranged with the gearbox selector shifting shaft 1, the shifting shifting block 4 is passed Coordinate with gearshift guide block transmission after interlock seat 5.
Be fixedly connected with the gearbox selector shifting shaft 1 from lock 7, the section from lock 7 is W types, it is described from Lock 7 and the spacing cooperation of lock valve 71, are welded on the outer wall of gearbox selector shifting shaft 1 from lock 7.
The selector fork 3 includes that U-shaped fork arm 31, general gear block selecting bar 32, direct gear overgear block selecting bar 33 and transmission are pushed away Bar 34, the general gear block selecting bar 32 and direct gear overgear block selecting bar 33 are arranged each parallel to gearbox selector shifting shaft 1, described One end of general gear block selecting bar 32 coordinates with the first gearshift hole 21 insertion of the upper end of shifting rocking arm 2, the general gear block selecting bar 32 other end is fixedly connected with the upper end of U-shaped fork arm 31, and one end of the direct gear overgear block selecting bar 33 is shaken with shifting Second gearshift hole 22 insertion of the lower end of arm 2 coordinates, under the other end of the direct gear overgear block selecting bar 33 and U-shaped fork arm 31 End is fixedly connected, and the middle part of the U-shaped fork arm 31 is fixedly connected with actuator push rod 34, and the actuator push rod 34 is passed with gearshift flexible axle It is dynamic to coordinate.
The overgear gear conversion equipment 11 also includes power assisted gearshift device 6, the clutch end of the power assisted gearshift device 6 It is fixedly connected with one end of actuator push rod 34, the other end of the actuator push rod 34 is fixedly connected with the middle part of U-shaped fork arm 31, institute The middle part and gearshift soft axle transmission for stating actuator push rod 34 coordinates, and the power assisted gearshift device 6 is pneumatic means.
The selector fork 3 also includes U-shaped transmission slotware 35, the bottom of the U-shaped transmission slotware 35 and actuator push rod 34 Middle part is fixedly connected, and the U-shaped transmission slotware 35 is arranged parallel to gearbox selector shifting shaft 1, and the gearshift flexible axle passes sequentially through L Type gearshift driver plate 8, U-shaped transmission slotware 35, actuator push rod 34 coordinate with the transmission of U-shaped fork arm 31;
One end of the L-type gearshift driver plate 8 is connected with gearshift flexible axle, and the other end of L-type gearshift driver plate 8 passes through it The gearshift shifting block 81 of bottom and the U-shaped slotware 35 that is driven are driven cooperation, and the middle part of the L-type gearshift driver plate 8 offers gearshift and determines Position pin-and-hole 82, in the gearshift dowel hole 82 the gearshift alignment pin 83 for rotating cooperation, the gearshift alignment pin are provided with 83 bottom is fixedly connected with gear box casing.
The end face of the general gear block selecting bar 32 is with the end face of direct gear overgear block selecting bar 33 along gearbox selector shifting shaft 1 The minimum range of axial direction is 1 millimeter to 3 millimeters, the end face and direct gear overgear block selecting bar 33 of the general gear block selecting bar 32 End face is globoidal structure.
The interlock seat 5 includes base 52 and interlocking block 53, and the section of the base 52 is inverted U-shaped structure, the base 52 middle part offers shifting block installing hole 51, and the shifting shifting block 4 is engaged with shifting block installing hole 51, the top of the base 52 The both sides of shifting block installing hole 51 are each provided with a structure of interlocking block 53, and the interlocking block 53 is equal with the top of shifting shifting block 4 It is arranged in gearbox selector retaining groove;Overall diameter of the A/F of the bottom of the base 52 less than gearbox selector shifting shaft 1.
The top of the shifting rocking arm 2 is provided with block selecting U-type groove 23, and the block selecting U-type groove 23 is perpendicular to gearbox selector Shifting shaft 1 is arranged, and the block selecting flexible axle passes sequentially through L-type block selecting driver plate 9, block selecting U-type groove 23, shifting rocking arm 2 and speed change The transmission of case shifting axle 1 coordinates;
One end of the L-type block selecting driver plate 9 is connected with block selecting flexible axle, and the other end of L-type block selecting driver plate 9 passes through it The block selecting shifting block 91 of bottom coordinates with the transmission of block selecting U-type groove 23, and the middle part of the L-type block selecting driver plate 9 offers block selecting positioning The block selecting alignment pin 93 for rotating cooperation, the block selecting alignment pin 93 are provided with pin-and-hole 92, the block selecting dowel hole 92 Bottom be fixedly connected with gear box casing.
Principle of the present utility model is described as follows:
The gear box operating device of the design has versatility:
Overgear change speed gear box, is provided with the change speed gear box of overgear:General gear, gear of the gear ratio more than 1;Directly Gear, the gear that gear ratio is equal to 1, gearbox dynamic input shaft and power output shaft integral drive;Overgear, gear ratio is less than 1 Gear.It is driven on power output shaft because direct gear is located at nearly power input shaft one end on power output shaft in change speed gear box Power input shaft side to power output shaft side is disposed with:It is direct gear, direct gear overgear lock unit, overgear gear, general Shift gear is arranged in order from high gear to low gear, and correspondence lock unit is provided between general shift gear.Due to direct gear Gear is less than overgear, in gearshift to meet gear arrangement rule, needs to change the gear shifting force of direct gear and overgear To, therefore the gearshift of the design is by the general gear block selecting bar 32 and direct gear hypervelocity positioned at the upper/lower terminal of shifting rocking arm 2 Gear block selecting bar 33 meets the general gear shifting direction demand different with direct gear, overgear.
Direct gear change speed gear box, is provided with the change speed gear box of overgear:General gear, gear of the gear ratio more than 1;Directly Gear, the gear that gear ratio is equal to 1, gearbox dynamic input shaft and power output shaft integral drive.It is driven on power output shaft Power input shaft side to the gear gear ratio of power output shaft side increases successively, does not directly meet change speed gear box gear arrangement rule, therefore not Need to keep off sequence reversing device.
Because direct gear change speed gear box need not keep off in use sequence reversion, therefore the design can be by changing selector fork 3 Installation site, make gear box operating device be applied to direct gear change speed gear box, in direct gear change speed gear box shifting rocking arm 2 only with General gear block selecting bar 32 has transmission matching relationship, and direct gear overgear block selecting bar 33 is contactless with shifting rocking arm 2, shifting During general gear block selecting bar 32 always situated in the first gearshift hole 21, you can realize every gearshift work(of direct gear change speed gear box Energy.It is such to be designed with beneficial to unification therefore the design can be used in the direct gear change speed gear box and overgear change speed gear box of vehicle of the same race Accessory size, changes less to entire vehicle design, more disclosure satisfy that the requirement of existing assembly line.
Embodiment 1:
Referring to Fig. 1 to Fig. 8, a kind of overgear change speed gear box General-purpose manipulators, including gearbox selector shifting shaft 1 and set thereon Shifting rocking arm 2, the shifting shifting block 4 put, one end of the gearbox selector shifting shaft 1 by shifting rocking arm 2 respectively with choosing Gear flexible axle, gearshift soft axle transmission coordinate, and the other end of the gearbox selector shifting shaft 1 is by shifting shifting block 4 and gearshift guide block Transmission coordinates, and the block selecting flexible axle is coordinated by overgear gear conversion equipment 11 with the transmission of shifting rocking arm 2, the overgear Gear conversion equipment 11 includes selector fork 3, and the upper end of the selector fork 3 coordinates with the upper end transmission of shifting rocking arm 2, described to change The lower end of gear fork 3 coordinates with the lower end transmission of shifting rocking arm 2;The selector fork 3 includes U-shaped fork arm 31, general gear block selecting bar 32nd, direct gear overgear block selecting bar 33 and actuator push rod 34, the general gear block selecting bar 32 and direct gear overgear block selecting bar 33 Arrange each parallel to gearbox selector shifting shaft 1, one end of the general gear block selecting bar 32 is changed with the first of the upper end of shifting rocking arm 2 The insertion of gear hole 21 coordinates, and the other end of the general gear block selecting bar 32 is fixedly connected with the upper end of U-shaped fork arm 31, the direct gear One end of overgear block selecting bar 33 coordinates with the second gearshift hole 22 insertion of the lower end of shifting rocking arm 2, the direct gear overgear The other end of block selecting bar 33 is fixedly connected with the lower end of U-shaped fork arm 31, and the middle part of the U-shaped fork arm 31 is fixedly connected with transmission and pushes away Bar 34, the actuator push rod 34 coordinates with gearshift soft axle transmission;The end face of the general gear block selecting bar 32 and direct gear overgear Minimum range of the end face of block selecting bar 33 along the axial direction of gearbox selector shifting shaft 1 is 1 millimeter to 3 millimeters, the general gear block selecting bar 32 end face is globoidal structure with the end face of direct gear overgear block selecting bar 33;The interlock seat 5 includes base 52 and interlocking Block 53, the section of the base 52 is inverted U-shaped structure, and the middle part of the base 52 offers shifting block installing hole 51, and the choosing is changed Gear shifting block 4 is engaged with shifting block installing hole 51, and the both sides of the top shifting block installing hole 51 of the base 52 are each provided with one and interlock The structure of block 53, the interlocking block 53 may be contained within gearbox selector retaining groove with the top of shifting shifting block 4;The bottom of the base 52 A/F less than gearbox selector shifting shaft 1 overall diameter.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, and its difference is:
The overgear gear conversion equipment 11 also includes power assisted gearshift device 6, the clutch end of the power assisted gearshift device 6 It is fixedly connected with one end of actuator push rod 34, the other end of the actuator push rod 34 is fixedly connected with the middle part of U-shaped fork arm 31, institute The middle part and gearshift soft axle transmission for stating actuator push rod 34 coordinates, and the power assisted gearshift device 6 is pneumatic means;
Embodiment 3:
Embodiment 3 is substantially the same manner as Example 1, and its difference is:
The gearbox selector shifting shaft 1 is circular tube structure, and the shifting rocking arm 2 is welded in change with shifting shifting block 4 On the outer wall of fast case shifting axle 1, interlock seat 5 is arranged with the gearbox selector shifting shaft 1, the shifting shifting block 4 is passed Coordinate with gearshift guide block transmission after interlock seat 5.
Embodiment 4:
Embodiment 4 is substantially the same manner as Example 3, and its difference is:
Be fixedly connected with the gearbox selector shifting shaft 1 from lock 7, the section from lock 7 is W types, it is described from Lock 7 and the spacing cooperation of lock valve 71, are welded on the outer wall of gearbox selector shifting shaft 1 from lock 7.
Embodiment 5:
Embodiment 5 is substantially the same manner as Example 1, and its difference is:
The selector fork 3 also includes U-shaped transmission slotware 35, the bottom of the U-shaped transmission slotware 35 and actuator push rod 34 Middle part is fixedly connected, and the U-shaped transmission slotware 35 is arranged parallel to gearbox selector shifting shaft 1, and the gearshift flexible axle passes sequentially through L Type gearshift driver plate 8, U-shaped transmission slotware 35, actuator push rod 34 coordinate with the transmission of U-shaped fork arm 31;The L-type gearshift driver plate 8 One end be connected with gearshift flexible axle, the other end of L-type gearshift driver plate 8 is by the gearshift shifting block 81 of its bottom and U-shaped transmission The transmission of slotware 35 coordinates, and the middle part of the L-type gearshift driver plate 8 offers gearshift dowel hole 82, the gearshift dowel hole The gearshift alignment pin 83 for rotating cooperation is provided with 82, the bottom of the gearshift alignment pin 83 is fixed with gear box casing and connected Connect.
Embodiment 6:
Embodiment 6 is substantially the same manner as Example 5, and its difference is:
The top of the shifting rocking arm 2 is provided with block selecting U-type groove 23, and the block selecting U-type groove 23 is perpendicular to gearbox selector Shifting shaft 1 is arranged, and the block selecting flexible axle passes sequentially through L-type block selecting driver plate 9, block selecting U-type groove 23, shifting rocking arm 2 and speed change The transmission of case shifting axle 1 coordinates;One end of the L-type block selecting driver plate 9 is connected with block selecting flexible axle, L-type block selecting driver plate 9 The other end is coordinated by the block selecting shifting block 91 of its bottom with the transmission of block selecting U-type groove 23, and the middle part of the L-type block selecting driver plate 9 is opened It is provided with block selecting dowel hole 92, the block selecting dowel hole 92 and is provided with the block selecting alignment pin 93 for rotating cooperation, it is described The bottom of block selecting alignment pin 93 is fixedly connected with gear box casing.

Claims (9)

1. a kind of overgear change speed gear box General-purpose manipulators, including gearbox selector shifting shaft(1)And the shifting for arranging thereon is shaken Arm(2), shifting shifting block(4), the gearbox selector shifting shaft(1)One end pass through shifting rocking arm(2)It is soft with block selecting respectively Axle, gearshift soft axle transmission coordinate, the gearbox selector shifting shaft(1)The other end pass through shifting shifting block(4)With gearshift guide block Transmission coordinates, it is characterised in that:
The block selecting flexible axle passes through overgear gear conversion equipment(11)With shifting rocking arm(2)Transmission coordinates, the overgear Gear conversion equipment(11)Including selector fork(3), the selector fork(3)Upper end and shifting rocking arm(2)Upper end transmission match somebody with somebody Close, the selector fork(3)Lower end and shifting rocking arm(2)Lower end transmission coordinate.
2. a kind of overgear change speed gear box General-purpose manipulators according to claim 1, it is characterised in that:
The gearbox selector shifting shaft(1)For circular tube structure, the shifting rocking arm(2)With shifting shifting block(4)It is welded in Gearbox selector shifting shaft(1)Outer wall on, the gearbox selector shifting shaft(1)On be arranged with interlock seat(5), the shifting group Head(4)Pass interlock seat(5)Coordinate with gearshift guide block transmission afterwards.
3. a kind of overgear change speed gear box General-purpose manipulators according to claim 1, it is characterised in that:
The gearbox selector shifting shaft(1)On be fixedly connected with from lock(7), it is described from lock(7)Section be W types, it is described From lock(7)With lock valve(71)Spacing cooperation, from lock(7)It is welded in gearbox selector shifting shaft(1)Outer wall on.
4. a kind of overgear change speed gear box General-purpose manipulators according to claim 1,2 or 3, it is characterised in that:
The selector fork(3)Including U-shaped fork arm(31), general gear block selecting bar(32), direct gear overgear block selecting bar(33)And biography Dynamic push rod(34), the general gear block selecting bar(32)With direct gear overgear block selecting bar(33)Each parallel to gearbox selector shifting shaft (1)Arrange, the general gear block selecting bar(32)One end and shifting rocking arm(2)First gearshift hole of upper end(21)Insertion is matched somebody with somebody Close, the general gear block selecting bar(32)The other end and U-shaped fork arm(31)Upper end be fixedly connected, direct gear overgear choosing Pin(33)One end and shifting rocking arm(2)Second gearshift hole of lower end(22)Insertion coordinates, the direct gear overgear choosing Pin(33)The other end and U-shaped fork arm(31)Lower end be fixedly connected, the U-shaped fork arm(31)Middle part be fixedly connected with biography Dynamic push rod(34), the actuator push rod(34)Coordinate with gearshift soft axle transmission.
5. a kind of overgear change speed gear box General-purpose manipulators according to claim 4, it is characterised in that:
The overgear gear conversion equipment(11)Also include power assisted gearshift device(6), the power assisted gearshift device(6)Power output End and actuator push rod(34)One end be fixedly connected, the actuator push rod(34)The other end and U-shaped fork arm(31)Middle part consolidate Fixed connection, the actuator push rod(34)Middle part with gearshift soft axle transmission coordinate, the power assisted gearshift device(6)For pneumatic means.
6. a kind of overgear change speed gear box General-purpose manipulators according to claim 5, it is characterised in that:
The selector fork(3)Also include U-shaped transmission slotware(35), the U-shaped transmission slotware(35)Bottom and actuator push rod (34)Middle part be fixedly connected, the U-shaped transmission slotware(35)Parallel to gearbox selector shifting shaft(1)Arrange, the gearshift is soft Axle passes sequentially through L-type gearshift driver plate(8), U-shaped transmission slotware(35), actuator push rod(34)With U-shaped fork arm(31)Transmission coordinates;
The L-type gearshift driver plate(8)One end with gearshift flexible axle be connected, L-type gearshift driver plate(8)The other end pass through its The gearshift shifting block of bottom(81)With U-shaped transmission slotware(35)Transmission coordinates, the L-type gearshift driver plate(8)Middle part offer Gearshift dowel hole(82), the gearshift dowel hole(82)Inside it is provided with the gearshift alignment pin for rotating cooperation(83), institute State gearshift alignment pin(83)Bottom be fixedly connected with gear box casing.
7. a kind of overgear change speed gear box General-purpose manipulators according to claim 4, it is characterised in that:
The general gear block selecting bar(32)End face and direct gear overgear block selecting bar(33)End face along gearbox selector shifting shaft (1)The minimum range of axial direction is 1 millimeter to 3 millimeters, the general gear block selecting bar(32)End face and the block selecting of direct gear overgear Bar(33)End face be globoidal structure.
8. a kind of overgear change speed gear box General-purpose manipulators according to claim 4, it is characterised in that:
The gearbox selector shifting shaft(1)On be arranged with interlock seat(5), the interlock seat(5)Including base(52)And interlocking block (53), the base(52)Section be inverted U-shaped structure, the base(52)Middle part offer shifting block installing hole(51), institute State shifting shifting block(4)With shifting block installing hole(51)It is engaged, the base(52)Top shifting block installing hole(51)Both sides it is each It is provided with an interlocking block(53)Structure, the interlocking block(53)With shifting shifting block(4)Top may be contained within gearbox selector In retaining groove;The base(52)The A/F of bottom is less than gearbox selector shifting shaft(1)Overall diameter.
9. a kind of overgear change speed gear box General-purpose manipulators according to claim 4, it is characterised in that:
The shifting rocking arm(2)Top be provided with block selecting U-type groove(23), the block selecting U-type groove(23)Perpendicular to change speed gear box Shifting axle(1)Arrange, the block selecting flexible axle passes sequentially through L-type block selecting driver plate(9), block selecting U-type groove(23), shifting rocking arm (2)With gearbox selector shifting shaft(1)Transmission coordinates;
The L-type block selecting driver plate(9)One end be connected with block selecting flexible axle, L-type block selecting driver plate(9)The other end pass through its The block selecting shifting block of bottom(91)With block selecting U-type groove(23)Transmission coordinates, the L-type block selecting driver plate(9)Middle part offer choosing Gear dowel hole(92), the block selecting dowel hole(92)Inside it is provided with the block selecting alignment pin for rotating cooperation(93), it is described Block selecting alignment pin(93)Bottom be fixedly connected with gear box casing.
CN201620959437.2U 2016-08-26 2016-08-26 General controlling device of overgear gearbox Withdrawn - After Issue CN206130074U (en)

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Application Number Priority Date Filing Date Title
CN201620959437.2U CN206130074U (en) 2016-08-26 2016-08-26 General controlling device of overgear gearbox

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246906A (en) * 2016-08-26 2016-12-21 东风商用车有限公司 A kind of overgear change speed gear box General-purpose manipulators and using method thereof
CN108980339A (en) * 2018-08-17 2018-12-11 清华大学 A kind of double shift motor executing agency safety locks of automatic gear-box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246906A (en) * 2016-08-26 2016-12-21 东风商用车有限公司 A kind of overgear change speed gear box General-purpose manipulators and using method thereof
CN108980339A (en) * 2018-08-17 2018-12-11 清华大学 A kind of double shift motor executing agency safety locks of automatic gear-box

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