CN202029729U - Switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle - Google Patents
Switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle Download PDFInfo
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- CN202029729U CN202029729U CN2011200598356U CN201120059835U CN202029729U CN 202029729 U CN202029729 U CN 202029729U CN 2011200598356 U CN2011200598356 U CN 2011200598356U CN 201120059835 U CN201120059835 U CN 201120059835U CN 202029729 U CN202029729 U CN 202029729U
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- output shaft
- input shaft
- bevel gear
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Abstract
The utility model relates to a switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle. the housing of a power switching device is fixed with a rotation hydraulic pump; the input shaft and the output shaft of the power switching device are respectively supported on the left and right side of the housing by a bearing; an driving bevel gear is sleeved on the in-housing end of the input shaft in idling mode; the in-housing end of the output shaft is a big end; the input shaft is inserted into the shaft hole on the big end of the output shaft and matched with the output shaft by a bearing; a power switching device is supported from a driven bevel gear to the third side of the housing by a bearing, and is connected with the rotating shaft of a rotation hydraulic pump; the driven bevel gear is normally engaged with the driving bevel gear; a synchronous converting gear is located between the driving bevel gear and the output shaft fitted on the input shaft by a spline; the shift fork of a shift fork mechanism is clamped in a circular groove of the synchronous converting gear for moving the synchronous converting gear. The switching apparatus can switch the output power of an engine, can be respectively used for driving wheel or freight container hydraulic lifting mechanism, and avoids that the running and freight container lifting operation of a small-sized motor vehicle are performed simultaneously.
Description
Technical field
The utility model relates to a kind of torque transfer of vehicle, particularly a kind of shifter of cyclecar container lifting transmission of power.
Background technology
Cyclecar is meant by hydraulic pressure or mechanical lifting and the vehicle of unloaded of cargo voluntarily.The driving of the Hydraulic Pump of the hydraulic lifting mechanism of the self-unloading cargo box of existing dump body truck, generally be by the lifting hydraulic cylinder supply pressure oil of direct motor drive Hydraulic Pump, by cargo-carring object in the container under the lifting hydraulic cylinder drive container inclination self-dumping to hydraulic lifting mechanism; Also have plenty of and utilize engine power to drive the lifting hydraulic cylinder supply pressure oil of Hydraulic Pump to hydraulic lifting mechanism, by cargo-carring object in the container under the lifting hydraulic cylinder drive container inclination self-dumping, adopt this structure, Hydraulic Pump is to obtain engine power by the change-speed box that power takeoff connects driving engine.These two kinds of driving Hydraulic Pumps are to the version of the lifting hydraulic cylinder supply pressure oil of hydraulic lifting mechanism, all there are serious problems, the transmission of power or the interruption that are engine driven wheel are to rely on operation transmission control, the driving of hydraulic lifting mechanism is to rely on to handle electrical motor or power takeoff, that is to say, the driving of travelling of vehicle is to control respectively by different operating controls with the task driven of hydraulic lifting mechanism, stay serious accident potential thus, in case maloperation occurs, will take place vehicle travel and the container lifting is carried out simultaneously, make vehicle container rise in the process of moving, hang up the cable of road top, or it is vehicle is stuck in the tunnel, under the bridge, cause greatly economic loss, this class accident happens occasionally.How to avoid because of misoperation causes the vehicle phenomenon that rises of container in the process of moving, the problem of being concerned about for the cyclecar user for a long time, but unresolved always.More than the driving Hydraulic Pump of two kinds of structures to the system structure of device complexity of the transferring power of hydraulic lifting mechanism, price is expensive.And existing cyclecar, as three, four-wheel motor cycle or this class load carrying ability of miniature farm vehicle and the less self-propelled vehicle of engine swept volume, the container of its lade does not possess usually from unloading functions; If repack this class cyclecar into have self-propelled vehicle from unloading functions, adopt complex structure, expensive engine installation and actuator drives loading space to tilt, certainly will improve the cost of cyclecar, increase user's economical burden.Because the price of existing cyclecar is lower usually, and the engine installation and the driving device of complex structure, the self-unloading of expensive driving container is assemblied on the cyclecar, loses more than gain really.
The utility model content
The purpose of this utility model is the deficiency that exists at prior art, a kind of shifter of cyclecar container lifting transmission of power is provided, it comprises powershift device and the rotating hydraulic pump that links together, its powershift device comprises housing, input shaft, output shaft, be used for driven wheel of differential to rotating hydraulic pump transferring power, shifting fork mechanism, can switch by the power of this device driving engine output, be respectively applied for drive wheels or drive the loading space hydraulic lifting mechanism, avoid cyclecar to travel and the container lifting phenomenon of carrying out simultaneously, stop because of handling the safety misadventure generation that error causes, especially simple in structure because of it, cost of manufacture is low, and durable in use, help three, assembling is used on the less cyclecar of this class load carrying ability of four-wheel motor cycle or miniature farm vehicle and engine swept volume.
The purpose of this utility model is achieved in that and comprises powershift device and rotating hydraulic pump, described powershift device comprises housing, input shaft, drive bevel gear, synchronous conversion gear, output shaft, be used for driven wheel of differential to rotating hydraulic pump transferring power, shifting fork mechanism, the housing of powershift device and rotating hydraulic pump are connected and fixed, the input shaft of powershift device by bearings in housing left side, this input shaft is positioned at the endoceliac end of shell and is set with a drive bevel gear, the input shaft other end stretches out housing, the output shaft of powershift device by bearings in the housing right side, this output shaft is positioned at the endoceliac end of shell and is made as major part, the output shaft other end stretches out housing, described input shaft and output shaft are same axial line, cooperate with output shaft by bearing in the axis hole of input shaft insertion output shaft stub end, be used for driven wheel of differential to rotating hydraulic pump transferring power by three side of bearings in housing, and captive joint with the S. A. of rotating hydraulic pump is circumferential, the axial line of this driven wheel of differential is perpendicular to the axial line of input shaft, driven wheel of differential and drive bevel gear constant-mesh, described drive bevel gear, output shaft is provided with interior perforation in opposite directions, one synchronous conversion gear can move axially the ground spline fitted on the input shaft and between drive bevel gear and output shaft interior perforation in opposite directions, the two ends circumference of described synchronous conversion gear is provided with external tooth, be provided with circular groove between the external tooth of two ends circumference, described shifting fork mechanism is installed in the housing, the shift fork of shifting fork mechanism is stuck in the circular groove of synchronous conversion gear, the shift fork of shifting fork mechanism is stuck in and is used to stir synchronous conversion gear in the circular groove of synchronous conversion gear and moves, with the internal tooth of perforation in the drive bevel gear or with output shaft in the internal gearing of perforation.
The axis hole of drive bevel gear, output shaft stub end is stepped hole, the big footpath section of stepped hole is made as interior perforation, the path section of stepped hole is made as smooth section, the stepped hole path section of drive bevel gear and input shaft free-running fit, the axle journal of input shaft cooperates with the stepped hole path section of output shaft by bearing.
Described shifting fork mechanism comprises shift fork, declutch shift shaft, dials arm, rotating shaft, torque arm, the two end supports of described declutch shift shaft is in housing, declutch shift shaft is parallel with input shaft and coaxial, connect shift fork on the declutch shift shaft, the shift fork sidepiece is provided with a bar-shaped trough, described rotating shaft two end supports is in housing, it is staggered that rotating shaft and declutch shift shaft are 90 degree spaces, circumferential captive joint is dialled arm in the rotating shaft, the elongated end of dialling arm is provided with the cylinder pusher dog, this pusher dog inserts in the bar-shaped trough of shift fork sidepiece, and captive joint one torque arm on the overhanging end of housing is stretched out in rotating shaft.
Described shift fork is fixedly connected on the declutch shift shaft, and the two ends of declutch shift shaft can be supported in housing with moving axially, and the axis hole of housing leaves the degree of freedom that declutch shift shaft moves; Perhaps, described shift fork is slidingly fitted on the declutch shift shaft, and the two ends of declutch shift shaft are fixed on the housing.
Described rotating shaft is supported in the upper end cover of housing rotationally, and upper end cover is captiveed joint with housing by bolt.
Described housing is provided with the blocking device that is used to lock the shift fork shift position, this blocking device comprises thimble, compression spring, spring perch, spring perch is fixed on the housing, compression spring, thimble place in the hole of spring perch successively, the tension force of compression spring makes thimble prop up shift fork, the position that the locking shift fork moves.
Described driven wheel of differential is provided with internal splined hole and is connected with the S. A. spline of rotating hydraulic pump.
Described rotating hydraulic pump is connected with the powershift device by a plate, and the housing and the connecting panel of rotating hydraulic pump are fixed by bolted connection, and the housing and the connecting panel of powershift device are fixed by bolted connection.
The housing left and right side of described powershift device is provided with bearing cap shim respectively, be equipped with on the left and right bearing cap shim and run through the axial ladder axis hole of bearing cap shim, two bearings all are set in the ladder axis hole of each bearing cap shim, a bearing in the ladder axis hole of described left bearing lid cooperates with input shaft, another bearing cooperates with drive bevel gear on the input shaft, and two bearings in the ladder axis hole of described right bearing lid all cooperate with output shaft.
Adopt such scheme that this device is had the following advantages:
Powershift device and rotating hydraulic pump are connected and fixed and form total member, and when making this device be located on the cyclecar, layout and installation are all convenient.
The powershift device comprise housing, input shaft, drive bevel gear, synchronously conversion gear, output shaft, be used for driven wheel of differential, shifting fork mechanism etc. to rotating hydraulic pump transferring power.The input shaft of powershift device, output shaft respectively by bearings in a housing left side, the right side, input shaft is positioned at the empty cover of the endoceliac end of shell one drive bevel gear, output shaft is positioned at the endoceliac end of shell and is made as major part, described input shaft and output shaft are same axial line, cooperate with output shaft by bearing in the axis hole of input shaft insertion output shaft stub end, be used for driven wheel of differential to rotating hydraulic pump transferring power by three side of bearings in housing, and captive joint with the S. A. of rotating hydraulic pump is circumferential, driven wheel of differential and drive bevel gear constant-mesh, and described drive bevel gear, output shaft is provided with interior perforation in opposite directions, one synchronous conversion gear can move axially the ground spline fitted on the input shaft and between drive bevel gear and output shaft interior perforation in opposite directions, the two ends circumference of described synchronous conversion gear is provided with external tooth, be provided with circular groove between the external tooth of two ends, described shifting fork mechanism is installed in the housing, the shift fork of shifting fork mechanism is stuck in the circular groove of synchronous conversion gear, the shift fork of shifting fork mechanism is stuck in and is used to stir synchronous conversion gear in the circular groove of synchronous conversion gear and moves, with the internal tooth of perforation in the drive bevel gear or with output shaft in the internal gearing of perforation.As long as this device is installed on the cyclecar (as three, four-wheel motor cycle or light type agricultural car), between the lifting hydraulic cylinder of the axle drive shaft of driving engine and wheel and container hydraulic lifting mechanism, control synchronous conversion gear shift position by handling shifting fork mechanism, the synchronous conversion gear of input shaft upper spline bonded assembly is moved axially along input shaft, with the internal tooth of perforation in the drive bevel gear or with output shaft in the internal tooth of perforation form the engagement transferring power.When moving with the internal tooth formation of output shaft, meshes synchronous conversion gear, the power of driving engine output passes to output shaft from input shaft by synchronous conversion gear, travel through the output shaft powered vehicle, at this moment, between input shaft and the drive bevel gear not transfer torque of idling conditions, power interruption, the rotating hydraulic pump can not get power driven, be in off position, the container hydraulic lifting mechanism lifting that can not drive; When moving with the internal tooth formation of drive bevel gear, meshes synchronous conversion gear, the power of driving engine output passes to drive bevel gear from input shaft by synchronous conversion gear, drive bevel gear drives the driven wheel of differential rotation, to rotating hydraulic pump transferring power, the rotating hydraulic pump work drives the lifting of container hydraulic lifting mechanism, at this moment, between input shaft and the output shaft not transfer torque of idling conditions, power interruption, output shaft can not the transferring power powered vehicle travel.Because the powershift device can pass to the powershift from driving engine input output shaft or to the driven wheel of differential of rotating hydraulic pump transferring power, make the power of transmission can only be separately to output shaft or driven wheel of differential transmission, can not be simultaneously to output shaft and driven gear transmission, therefore can stop the travel driving and the simultaneous possibility of lifting driving of cyclecar fully, thoroughly avoid the phenomenon of existing cyclecar container lifting in motion.
The axis hole of drive bevel gear, output shaft stub end is stepped hole, and the big footpath section of stepped hole is made as interior perforation, and the path section of stepped hole is made as smooth section.Can make like this drive bevel gear stepped hole path section can with the input shaft free-running fit, the axle journal of input shaft is cooperated with the stepped hole path section of output shaft by bearing, can make the big footpath of the axis hole section of drive bevel gear, output shaft stub end that internal tooth is set again, be used for and the transferring power of conversion gear engagement synchronously; And such structure can also make the right alignment of input shaft and output shaft be guaranteed, and simple in structure, compactness.
The declutch shift shaft of described shifting fork mechanism is parallel with input shaft and coaxial, connect shift fork on the declutch shift shaft, the shift fork sidepiece is provided with a bar-shaped trough, it is staggered that the rotating shaft of described shifting fork mechanism and declutch shift shaft are 90 degree spaces, circumferential captive joint is dialled arm in the rotating shaft, the elongated end of dialling arm is provided with in the bar-shaped trough that the cylinder pusher dog inserts the shift fork sidepiece, and captive joint one torque arm on the overhanging end of housing is stretched out in rotating shaft.Adopt the shifting fork mechanism of this structure, rotating shaft is rotated stir shift fork by operating control and move, operate light laborsavingly, control flexibly.
Described rotating shaft is supported in the upper end cover of housing rotationally, and upper end cover is captiveed joint with housing by bolt.So more help the assembling of shifting fork mechanism and housing, with rotating shaft, group arm component and the upper end cover assembly that assembles, with shift fork, declutch shift shaft assembly and the housing assembly that assembles, can make the assembling of these parts convenient easily, do not take place mutually to install and interfere, reduce workman's burden of working, enhance productivity.
Described housing is provided with the blocking device that is used to lock the shift fork shift position, this blocking device comprises thimble, compression spring, spring perch, spring perch is fixed on the housing, compression spring, thimble place in the hole of spring perch successively, the tension force of compression spring makes thimble prop up shift fork, the position that the locking shift fork moves.Make like this behind the shift fork shift position can be under the pressure of blocking device thimble latched position, guaranteeing can own shift position by the synchronous conversion gear of fork controls, to guarantee the stability of transmission of power.
The housing left and right side of described powershift device is provided with bearing cap shim respectively, be equipped with on the left and right bearing cap shim and run through the axial ladder axis hole of bearing cap shim, two bearings all are set in the ladder axis hole of each bearing cap shim, a bearing in the ladder axis hole of described left bearing lid cooperates with input shaft, another bearing cooperates with drive bevel gear on the input shaft, and two bearings in the ladder axis hole of described right bearing lid all cooperate with output shaft.So both helped the assembling of input shaft, output shaft, bearing, drive bevel gear, synchronous conversion gear etc., and made it when assembling, assembling not to take place to interfere; Simultaneously can allow input shaft, output shaft all can under the support of two bearings, keep the conformability of right alignment respectively again, not produce beat.
The shifter integral structure of the utility model cyclecar container lifting transmission of power is simple, compact, and cost of manufacture is lower, helps being installed in cyclecar and uses.It adopts physical construction to switch transmission of power, and is durable in use, not fragile; Can either utilize engine power to drive the container lifting, travelling of cyclecar driven or the container lifting drives and must pass through could realize transmission of power after the switching of this shifter, when realizing a kind of connection that drives transmission of power, just interrupt the another kind of transmission of power that drives, stopped fully engine power simultaneously powered vehicle travel and the phenomenon of container lifting, thoroughly avoid in the vehicle ' process, taking place, eliminated potential safety hazard because of faulty operation causes the situation of container lifting.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is an external structure scheme drawing of the present utility model;
Fig. 2 is a cross-sectional view of the present utility model;
Fig. 3 is that the A-A of Fig. 2 is to section-drawing.
In the accompanying drawing, 1 is input shaft, and 1a is an axle journal, and 2 is the powershift device, 3a is the left bearing lid, and 3b is the right bearing lid, and 4 is drive bevel gear, and 5 is synchronous conversion gear, 5a is a circular groove, and 6 is declutch shift shaft, and 7 is shift fork, and 7a is a bar-shaped trough, 8 are torque arm, and 9 are rotating shaft, and 10 for dialling arm, and 10a is a pusher dog, 11 is upper end cover, and 12 is connecting panel, and 13 is output shaft, and 14 is bearing, 15 is bearing, and 16 is housing, and 17 is oil sealing, and 18 are the screw of draining the oil, 19 is driven wheel of differential, and 20 is packing seal, 21,22 is bearing, 23 is the rotating hydraulic pump, and 23a is an inlet nozzle, and 23b is an oil outlet, 23c is a S. A., and 24 is spring perch, and 25 is compression spring, 26 is thimble, and 27 is oil seal cover, and 28 is oil sealing, 29 is packing seal, and 30 is bearing, and 31 is oil scale, 32 for seeing oily window, and 33 is the steam discharge mouth, and 34 is interior perforation.
The specific embodiment
Referring to Fig. 1 to Fig. 3, the shifter of the container lifting power of cyclecar comprises powershift device 2 and rotating hydraulic pump 23.Described powershift device comprise housing 16, input shaft 1, drive bevel gear 4, synchronously conversion gear 5, output shaft 13, be used for driven wheel of differential 19, shifting fork mechanism etc. to rotating hydraulic pump transferring power.The housing 16 and the rotating hydraulic pump 23 of described powershift device are connected and fixed, the inlet nozzle 23a of rotating hydraulic pump 23 is used to connect transport pipe and is communicated with fuel tank, and the oil outlet 23b of rotating hydraulic pump 23 is used to connect another transport pipe provides hydraulic pressure for the lifting hydraulic cylinder of compartment hydraulic lifting mechanism.Rotating hydraulic pump 23 is connected with powershift device 2 by a plate 12 in the present embodiment, the housing of rotating hydraulic pump 23 and connecting panel 12 are fixed by bolted connection, the housing of powershift device 2 and connecting panel 12 are fixed by bolted connection, and packing seal 29 tight connection gaps are set between the housing of powershift device 2 and the connecting panel 12.Described connecting panel 12 also can be used for this shifter is installed in being connected and fixed on the cyclecar.The input shaft 1 of powershift device 2 by bearings in housing 16 left sides, the end that this input shaft 1 is positioned at housing 16 chambeies is set with a drive bevel gear 4, input shaft 1 other end stretches out housing, and this end is provided with the output shaft that spline is used for circumferential captive joint cyclecar engine mission; The output shaft 13 of powershift device is supported in housing 16 right sides by bearing 14, the end that this output shaft 13 is positioned at housing 16 chambeies is made as major part, output shaft 13 other ends stretch out housing, and this end is provided with spline and is used for the axle drive shaft of circumferential captive joint to the wheel transferring power; Described input shaft 1 is same axial line with output shaft 13, and the interior bearing 15 that passes through of axis hole that input shaft 1 inserts the output shaft stub end cooperates with output shaft 13.The housing left side of the powershift device of present embodiment, the right side is provided with bearing cap shim respectively, a left side, right bearing lid 3a, be equipped with on the 3b and run through the axial ladder axis hole of bearing cap shim, two bearings all are set in the ladder axis hole of each bearing cap shim, a bearing 22 in the ladder axis hole of described left bearing lid 3a cooperates with input shaft 1, another bearing 21 cooperates with drive bevel gear 4 on the input shaft 1, two bearings 14 in the ladder axis hole of described right bearing lid 3b all cooperate with output shaft 13, gap between gap between left bearing lid 3a and the input shaft 1 and right bearing lid 3b and the output shaft 13, respectively with oil sealing 17 sealings, a left side, right bearing lid 3a, the 3b bolt up is fastened on housing 16 left sides respectively, the right side is provided with packing seal 20 between the faying face of bearing cap shim and housing.Adopt bearing cap shim to be fixed on the housing left and right side, and input shaft, output shaft are adopted two bearings respectively, the right alignment of diaxon is guaranteed, make the assembling of associated components convenient easily again.Described the 3rd side that is used for being supported in by bearing 30 housing 16 to the driven wheel of differential 19 of rotating hydraulic pump transferring power, and captive joint with the S. A. 23c of rotating hydraulic pump 23 is circumferential, bearing 30 is provided with oil seal cover 27 with connecting panel 12, and the tolerance clearance between oil sealing 28 sealing driven wheel of differentials 19 and the oil seal cover 27 is set in the oil seal cover 27.The driven wheel of differential 19 of present embodiment is provided with internal splined hole and is connected with the S. A. 23c spline of rotating hydraulic pump 23; Certainly, driven wheel of differential also can be provided with male splines and captives joint with the S. A. of rotating hydraulic pump is circumferential by coupler.The axial line of described driven wheel of differential 19 is perpendicular to the axial line of input shaft 1, driven wheel of differential 19 and drive bevel gear 4 constant-meshes.Described drive bevel gear 4, output shaft 13 are provided with interior perforation 34 in opposite directions, the axis hole of drive bevel gear 4, output shaft 13 stub ends is stepped hole, the big footpath section of stepped hole is made as interior perforation 34, the path section of stepped hole is made as smooth section, the stepped hole path section of drive bevel gear 4 and input shaft 1 free-running fit, the axle journal 1a of input shaft 1 cooperates with the stepped hole path section of output shaft 13 by bearing 15.One synchronous conversion gear 5 can move axially the ground spline fitted on the input shaft 1 and between drive bevel gear 4 and output shaft 13 interior perforation in opposite directions, the two ends circumference of described synchronous conversion gear 5 is provided with external tooth, be provided with circular groove 5a between the external tooth of two ends circumference, described shifting fork mechanism is installed in the housing 16, the shift fork 7 of shifting fork mechanism is stuck in and is used to stir synchronous conversion gear among the circular groove 5a of synchronous conversion gear 5 and moves, with the internal tooth of perforations in the drive bevel gear 4 or with output shaft 13 in the internal gearing of perforations.Described shifting fork mechanism comprises shift fork 7, declutch shift shaft 6, dials arm 10, rotating shaft 9, torque arm 8, the two end supports of described declutch shift shaft 6 is in housing, declutch shift shaft 6 is parallel and coaxial with input shaft 1, connect shift fork 7 on the declutch shift shaft 6, shift fork 7 sidepieces are provided with a bar-shaped trough 7a, described rotating shaft 9 two end supports are in housing, rotating shaft 9 is 90 degree spaces with declutch shift shaft 6 and interlocks, circumferential captive joint is dialled arm 10 in the rotating shaft 9, the elongated end of dialling arm 10 is provided with cylinder pusher dog 10a, this pusher dog 10a inserts among the bar-shaped trough 7a of shift fork 7 sidepieces, and captive joint one torque arm 8 on the overhanging end of housing is stretched out in rotating shaft 9.The shift fork 7 of present embodiment adopts pin or interference fit to be fixedly connected on the declutch shift shaft 6, the two ends of declutch shift shaft 6 can be supported in housing 16 with moving axially, the axis hole of housing 16 leaves the degree of freedom that declutch shift shaft 6 moves, when making group arm 10 stir shift fork 7, declutch shift shaft 6 can axially move in the axis hole of housing 16, drives synchronous conversion gear 5 thus and moves.Certainly, described shift fork 7 also can be slidingly fitted on the declutch shift shaft 6, and the two ends of declutch shift shaft 6 are fixed on the housing 16, and when making group arm 10 stir shift fork 7, shift fork 7 can move axially along declutch shift shaft 6, drives synchronous conversion gear 5 thus and moves.The rotating shaft 9 of present embodiment is supported in the upper end cover 11 of housing rotationally, upper end cover 11 is captiveed joint with housing 16 by bolt, makes the easy to assembly easy of rotating shaft 9 and upper end cover 11, also helps the easy to assembly of declutch shift shaft 6 and housing 16 simultaneously, alleviate workman's work, enhance productivity.Certainly, rotating shaft 9 also is supported in housing 16 rotationally, is that this structure makes difficulty of shifting fork mechanism and housing assembling.Described housing 16 is provided with the blocking device that is used to lock the shift fork shift position, this blocking device comprises thimble 26, compression spring 25, spring perch 24, spring perch 24 is fixed in the tapped bore that is provided with on the housing 16 by screw thread fit, compression spring 25, thimble 26 place in the hole of spring perch 24 successively, the tension force of compression spring 25 makes thimble 26 prop up shift fork 26, and the position that shift fork is moved locks.The sidepiece of the housing 16 of described powershift device 2 is provided with sees oily window 32 and oil scale 31, the bottom of housing 16 is provided with the screw 18 of draining the oil, housing upper end cover 11 is provided with steam discharge mouth 33, can in time understand the losing quantity of the lubricating oil that is equipped with in powershift device 2 chambeies like this, or exhaust reduction cavity pressure, and change oil.
With the shifter of the container lifting power of the utility model cyclecar be installed in three, between the hydraulic lifting mechanism of the change-speed box of the driving engine of cyclecar such as four-wheel motor cycle and wheel drive shaft and container, the input shaft of the powershift device of this shifter is captiveed joint by spline is circumferential with the output shaft of change-speed box, and the output shaft of powershift device is connected with wheel drive shaft by coupler.The inlet nozzle of described rotating hydraulic pump is used to connect transport pipe and is communicated with fuel tank, and the oil outlet of rotating hydraulic pump is used to connect another transport pipe provides hydraulic pressure for the lifting hydraulic cylinder of compartment hydraulic lifting mechanism.When being used to transmit the driving power that cyclecar travels, make the synchronous conversion gear of powershift device move output shaft engagement with the powershift device by handling the control shifting fork mechanism, connect the input shaft of powershift device and the transmission of power between the output shaft, allow the power of driving engine output pass to wheel drive shaft, drive cyclecar and travel from the power switch; At this moment, because the drive bevel gear of powershift device does not mesh with synchronous conversion gear, the powershift device is in interruption status to the transmission of rotating hydraulic pump power, the power of driving engine output can not pass to the rotating hydraulic pump, the rotating hydraulic air pump inoperative, can not provide hydraulic pressure to hydraulic lifting mechanism, hydraulic lifting mechanism can not be worked.When being used to transmit the driving power of cyclecar container lifting, move by the synchronous conversion gear of manipulation control shifting fork mechanism the powershift device, switch to drive bevel gear engagement with the powershift device, conversion gear separates with output shaft synchronously, the transmission of power that interruption is travelled and driven, cyclecar can not travel; At this moment, with the drive bevel gear constant-mesh be used for give the rotating hydraulic pump to the driven wheel of differential of rotating hydraulic pump transferring power with the transmission of power of driving engine output, the rotating hydraulic pump work, provide hydraulic pressure to hydraulic lifting mechanism, the work of driving hydraulic lifting mechanism, thus the container lifting that drives cyclecar realizes self-unloading; After self-unloading is finished, move between drive bevel gear and the output shaft by the synchronous conversion gear of manipulation control shifting fork mechanism the powershift device, conversion gear is in neutral gear position synchronously, all do not mesh with drive bevel gear and output shaft, the rotating hydraulic pump quits work, the hydraulic lifting mechanism pressure release, cyclecar container decline return, at this moment, the power of driving engine output interrupts at the powershift device, can not drive and travel, and can not drive lifting, have only once more synchronous conversion gear to be switched to and the output shaft engagement, cyclecar just can travel.Therefore, adopt the shifter of the container lifting power of the utility model cyclecar, travelling of cyclecar driven or the container lifting drives and must pass through could realize transmission of power after the switching of this shifter, when especially realizing a kind of connection that drives transmission of power, just interrupt the another kind of transmission of power that drives, can avoid that cyclecar travels, lifting drives simultaneous phenomenon and takes place, and eliminated the potential safety hazard of cyclecar container lifting in the process of moving.
The utility model is installed on the large-scale dump body truck, equally also can be used for the shifter of the container lifting power of large-scale dump body truck.
Claims (10)
1. the shifter of a cyclecar container lifting transmission of power, it is characterized in that: comprise powershift device and rotating hydraulic pump, described powershift device comprises housing, input shaft, drive bevel gear, synchronous conversion gear, output shaft, be used for driven wheel of differential to rotating hydraulic pump transferring power, shifting fork mechanism, the housing of powershift device and rotating hydraulic pump are connected and fixed, the input shaft of powershift device by bearings in housing left side, this input shaft is positioned at the endoceliac end of shell and is set with a drive bevel gear, the input shaft other end stretches out housing, the output shaft of powershift device by bearings in the housing right side, this output shaft is positioned at the endoceliac end of shell and is made as major part, the output shaft other end stretches out housing, described input shaft and output shaft are same axial line, cooperate with output shaft by bearing in the axis hole of input shaft insertion output shaft stub end, be used for driven wheel of differential to rotating hydraulic pump transferring power by three side of bearings in housing, and captive joint with the S. A. of rotating hydraulic pump is circumferential, the axial line of this driven wheel of differential is perpendicular to the axial line of input shaft, driven wheel of differential and drive bevel gear constant-mesh, described drive bevel gear, output shaft is provided with interior perforation in opposite directions, one synchronous conversion gear can move axially the ground spline fitted on the input shaft and between drive bevel gear and output shaft interior perforation in opposite directions, the two ends circumference of described synchronous conversion gear is provided with external tooth, be provided with circular groove between the external tooth of two ends circumference, described shifting fork mechanism is installed in the housing, the shift fork of shifting fork mechanism is stuck in and is used to stir synchronous conversion gear in the circular groove of synchronous conversion gear and moves, with the internal tooth of perforation in the drive bevel gear or with output shaft in the internal gearing of perforation.
2. the shifter of cyclecar container lifting transmission of power according to claim 1, it is characterized in that: the axis hole of drive bevel gear, output shaft stub end is stepped hole, the big footpath section of stepped hole is made as interior perforation, the path section of stepped hole is made as smooth section, the stepped hole path section of drive bevel gear and input shaft free-running fit, the axle journal of input shaft cooperates with the stepped hole path section of output shaft by bearing.
3. the shifter of cyclecar container lifting transmission of power according to claim 1, it is characterized in that: described shifting fork mechanism comprises shift fork, declutch shift shaft, dial arm, rotating shaft, torque arm, the two end supports of described declutch shift shaft is in housing, declutch shift shaft is parallel with input shaft and coaxial, connect shift fork on the declutch shift shaft, the shift fork sidepiece is provided with a bar-shaped trough, described rotating shaft two end supports is in housing, it is staggered that rotating shaft and declutch shift shaft are 90 degree spaces, circumferential captive joint is dialled arm in the rotating shaft, the elongated end of dialling arm is provided with the cylinder pusher dog, and this pusher dog inserts in the bar-shaped trough of shift fork sidepiece, and captive joint one torque arm on the overhanging end of housing is stretched out in rotating shaft.
4. the shifter of cyclecar container lifting transmission of power according to claim 3, it is characterized in that: described shift fork is fixedly connected on the declutch shift shaft, the two ends of declutch shift shaft can be supported in housing with moving axially, and the axis hole of housing leaves the degree of freedom that declutch shift shaft moves.
5. the shifter of cyclecar container lifting transmission of power according to claim 3, it is characterized in that: described shift fork is slidingly fitted on the declutch shift shaft, and the two ends of declutch shift shaft are fixed on the housing.
6. the shifter of cyclecar container lifting transmission of power according to claim 3, it is characterized in that: described rotating shaft is supported in the upper end cover of housing rotationally, and upper end cover is captiveed joint with housing by bolt.
7. the shifter of cyclecar container lifting transmission of power according to claim 1, it is characterized in that: described housing is provided with the blocking device that is used to lock the shift fork shift position, this blocking device comprises thimble, compression spring, spring perch, spring perch is fixed on the housing, compression spring, thimble place in the hole of spring perch successively, the tension force of compression spring makes thimble prop up shift fork, the position that the locking shift fork moves.
8. the shifter of cyclecar container lifting transmission of power according to claim 1 is characterized in that: described driven wheel of differential is provided with internal splined hole and is connected with the S. A. spline of rotating hydraulic pump.
9. the shifter of cyclecar container lifting transmission of power according to claim 1, it is characterized in that: described rotating hydraulic pump is connected with the powershift device by a plate, the housing and the connecting panel of rotating hydraulic pump are fixed by bolted connection, and the housing and the connecting panel of powershift device are fixed by bolted connection.
10. the shifter of cyclecar container lifting transmission of power according to claim 1, it is characterized in that: the housing left and right side of described powershift device is provided with bearing cap shim respectively, be equipped with on the left and right bearing cap shim and run through the axial ladder axis hole of bearing cap shim, two bearings all are set in the ladder axis hole of each bearing cap shim, a bearing in the ladder axis hole of described left bearing lid cooperates with input shaft, another bearing cooperates with drive bevel gear on the input shaft, and two bearings in the ladder axis hole of described right bearing lid all cooperate with output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200598356U CN202029729U (en) | 2011-03-09 | 2011-03-09 | Switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200598356U CN202029729U (en) | 2011-03-09 | 2011-03-09 | Switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202029729U true CN202029729U (en) | 2011-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200598356U Expired - Lifetime CN202029729U (en) | 2011-03-09 | 2011-03-09 | Switching apparatus used in the power transmission for lifting a freight container of a small-sized motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202029729U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180118A (en) * | 2011-03-09 | 2011-09-14 | 重庆动霸机械制造有限公司 | Carriage lifting power switching device of dump truck |
| CN104806734A (en) * | 2015-04-17 | 2015-07-29 | 芜湖富仕德机械股份有限公司 | Shifting fork disc-controlled spiral bevel gear box |
| CN108147333A (en) * | 2018-02-27 | 2018-06-12 | 太原科技大学 | A kind of electric cleaning car sub-power clutch transmission lifting device and method |
| CN104786838B (en) * | 2014-01-16 | 2018-10-12 | 迪尔公司 | Controlled type shift mechanism |
| CN111422122A (en) * | 2020-04-24 | 2020-07-17 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual transmission and method thereof |
-
2011
- 2011-03-09 CN CN2011200598356U patent/CN202029729U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180118A (en) * | 2011-03-09 | 2011-09-14 | 重庆动霸机械制造有限公司 | Carriage lifting power switching device of dump truck |
| CN102180118B (en) * | 2011-03-09 | 2012-08-22 | 重庆动霸机械制造有限公司 | Carriage lifting power switching device of dump truck |
| CN104786838B (en) * | 2014-01-16 | 2018-10-12 | 迪尔公司 | Controlled type shift mechanism |
| CN104806734A (en) * | 2015-04-17 | 2015-07-29 | 芜湖富仕德机械股份有限公司 | Shifting fork disc-controlled spiral bevel gear box |
| CN108147333A (en) * | 2018-02-27 | 2018-06-12 | 太原科技大学 | A kind of electric cleaning car sub-power clutch transmission lifting device and method |
| CN111422122A (en) * | 2020-04-24 | 2020-07-17 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual transmission and method thereof |
| CN111422122B (en) * | 2020-04-24 | 2024-04-09 | 东风商用车有限公司 | Vehicle electric control lifting control system matched with manual gearbox and method thereof |
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