CN105253771B - A kind of de- tooth insurance system of locomotive crane loopback - Google Patents
A kind of de- tooth insurance system of locomotive crane loopback Download PDFInfo
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- CN105253771B CN105253771B CN201510832097.7A CN201510832097A CN105253771B CN 105253771 B CN105253771 B CN 105253771B CN 201510832097 A CN201510832097 A CN 201510832097A CN 105253771 B CN105253771 B CN 105253771B
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Abstract
The invention discloses a kind of de- tooth insurance system of locomotive crane loopback, it is characterised in that including:Housing(1)Housing is fixed on two ends(1)On central shaft(4), the central shaft(4)On be equipped with gear(2), the gear(2)Can be in central shaft(4)Upper slip, the housing(1)One end be provided with and mention cylinder(5), it is described to mention cylinder(5)Piston-rod end be connected with shift fork(7), the shift fork(7)With gear(2)It is connected, it is described to mention cylinder(5)By airduct(10)Be connected with train line, can precise positioning to the position for needing, and with multilayer logic insurance institution, it can be ensured that the de- tooth reliability of loopback, and the function of automatically controlling can be realized, make whole control process manipulation precisely with conveniently.
Description
Technical field
The present invention relates to locomotive technology field, the de- tooth insurance system of particularly a kind of locomotive crane loopback.
Background technology
At present, railway lifting is mainly used in the rescue of Railway Running Accidents, has two big functions for crane walking:One
It is as unpowered as car, lorry, rescue site or maintenance place quickly to be reached by locomotive traction, and be transmitted back to machine
Business section, the speed of service is commonly called as crane " loopback " than very fast.Two to be that crane is set a set of by self power and transmission mechanism reality
Now rely on oneself walking, using two moving axis are driven, speed is slower, and range ability is shorter, is commonly called as " traveling of relying on oneself ", existing in rescue work
Field needs crane to rely on oneself walking to lifting cargo point, implements goods lifting operation.
Locomotive crane relies on oneself walking by itself diesel powered, when driving gear is engaged with driven gear, by liquid
Pressure motor or mechanical drive mode drive driving gear rotation, drive driven gear(It is fixed on axletree)Moving axis rotate, realize
Traveling of relying on oneself is acted on.Crane is relied on oneself the driving gear of walking
Engaged with driven gear and typically realized using mechanical castellated, hydraulic cylinder or cylinder mode;Crane in loopback,
Rely on oneself the driving gear of walking and driven gear needs to disengage, it is general to be realized using mechanical castellated, hydraulic cylinder or cylinder mode
Disengage.In loopback long range, it is necessary to ensure that driving and driven gear is completely disengaged, referred to as " the de- tooth safeties of loopback ".Otherwise because
Crane rely on oneself walking the driven gear gear ratio driving gear number of teeth will it is many, belong to 2-3 times of transmission mechanisms of deceleration.Crane
Moving axis velocity of rotation in locomotive traction loopback is very fast during loopback, once driving and driven gear is engaged, driven gear(It is fixed on dynamic
On axle)Driving gear high-speed rotation is rotarily driven at a high speed, mechanical reduction box or hydraulic motor is rotated at a high speed, necessarily damage hydraulic pressure
Motor or reduction box, cause gearbox parts to damage and come off, and cause traffic safety accident, even result in overturning, cause personnel to hinder
Die, larger economic loss is caused to country, serious harmful effect is caused to society.Therefore, crane must assure that in loopback
Driving and driven gear is completely disengaged.
At present, the de- tooth safeties of loopback are using the de- tooth of the plug-in back-moving spring mode of mechanical castellated or shift fork.Mechanical tooth
The de- tooth of embedded is that, in the engagement of middle reduction box out-of-gear, two moving axis are connected by two universal drive shafts with middle reduction box and transmit dynamic
Power, universal drive shaft is not disengaged with moving axis, or forget disengage traveling mention, in loopback at a high speed rotate, easily cause universal drive shaft,
Reduction box bearing damage, in fact it could happen that element falling, causes traffic safety accident.
The de- tooth of the plug-in back-moving spring mode of shift fork is that driving tooth is moved with shift fork in splined shaft, in two back-moving springs
Under power effect, driving tooth is set to be disengaged with driven gear.Once back-moving spring is tired and pulling force is inadequate, or back-moving spring is damaged,
Even position spring breakage, in fact it could happen that driving and driven gear engagement, driven gear(It is fixed on moving axis)Rotarily drive at a high speed actively
High-speed gear is rotated, and hydraulic motor is rotated at a high speed, necessarily damages hydraulic motor or reduction box, causes gearbox parts to damage de-
Fall, cause traffic safety accident.
No matter the de- tooth safeties of loopback have driving using the de- tooth of the plug-in back-moving spring mode of mechanical castellated or shift fork
Potential safety hazard.The castellated de- tooth of machinery forgets that disengaging traveling mentions, and causes driving accident;The universal drive shaft of the castellated de- tooth of machinery with
Moving axis is not disengaged, and easily causes universal drive shaft, reduction box bearing damage, causes traffic safety accident;The castellated de- tooth of machinery must
Need to be using artificial shake, production efficiency is relatively low, while having certain labour intensity;The plug-in back-moving spring side of shift fork once resets
Spring fatigue and pulling force not enough, cause traffic safety accident;The plug-in back-moving spring of shift fork is likely to occur back-moving spring damage, causes
Traffic safety accident;The plug-in back-moving spring of shift fork causes traffic safety accident once being broken.
The content of the invention
Present invention aim at:Problem of the prior art is solved, a kind of de- tooth insurance system of locomotive crane loopback is proposed,
Can precise positioning to the position for needing, and with multilayer logic insurance institution, it can be ensured that the de- tooth reliability of loopback, and can be with
The function that automatically controls of realization, make whole control process manipulation precisely with conveniently.
The technical solution adopted by the present invention is as follows:
A kind of de- tooth insurance system of locomotive crane loopback, including:The central shaft that housing and two ends are fixed on housing, institute
State and gear is equipped with central shaft, the gear can be slided on center shaft, one end of the housing is provided with mentions cylinder, described
The piston-rod end for mentioning cylinder is connected with shift fork, and the shift fork is connected with gear, and the cylinder of mentioning is by airduct and row
Car airduct is connected, and such setting can make gear mentioning position, that is, rely on oneself walking position and de- tooth position, i.e. passive movement
Can easily be changed between position, and mention cylinder by control system control can realize automatically controlling for gear position.
A kind of de- tooth insurance system of locomotive crane loopback of the invention, the central shaft is provided with the de- tooth positioning of gear
Hole, the gear is provided with positioner, and the positioner includes spring and place kick, and the place kick can be de- with gear
Tooth location hole is engaged, and such setting can not only make gear accurately reach predetermined location, and can be with place kick
Also there is certain coupling mechanism force.
A kind of de- tooth insurance system of locomotive crane loopback of the invention, the central shaft is splined shaft, such setting
Gear can be made will not occur radial rotating on splined shaft, improve the positioning precision of gear, and be easy to gear on axle
Slip.
A kind of de- tooth insurance system of locomotive crane loopback of the invention, also including bayonet lock retaining mechanism, the bayonet lock lock
Tight mechanism includes, guide rod and clamping body, and the guide rod is slidably mounted on housing, and the guide rod is connected with shift fork, described
Guide rod is provided with bayonet lock mating groove, and the clamping body includes:Slide, the slide is fixed on housing, is set in the slide
There is bayonet lock, the bayonet lock connects with bayonet lock cylinders, bayonet lock oscilaltion in the presence of bayonet lock cylinder coordinates with bayonet lock
Groove is contacted and separated, and the ability that such setting makes gear be maintained at de- tooth position is further strengthened, from and also use mechanism structure
Cooperation realize it is spacing, it is more reliable with safety.
A kind of de- tooth insurance system of locomotive crane loopback of the invention, described mentioning is provided with back-moving spring in cylinder, institute
State back-moving spring one end to be connected with cylinder bottom is mentioned, the back-moving spring other end is connected with the piston shaft for mentioning cylinder, institute
State back-moving spring nature lower piston axle and to mention cylinder bottom distance most short, such setting makes to mention cylinder and has makes tooth
Wheel is maintained at the pretightning force of de- tooth position, has auxiliary screen resilience and is allowed to be maintained at from mentioning when position slides into de- tooth position needing
The elastic force of de- tooth position, so as to strengthen the coupling mechanism force of cylinder.
A kind of de- tooth insurance system of locomotive crane loopback of the invention, including:Housing and two ends are fixed on housing
Central shaft, is equipped with gear on the central shaft, the gear can be slided on center shaft, and one end of the housing is provided with mentions
Cylinder, the piston-rod end for mentioning cylinder is connected with shift fork, and the shift fork is connected with gear, and the cylinder of mentioning passes through
Airduct is connected with train line, and the central shaft is provided with the de- tooth location hole of gear, and the gear is provided with positioner, institute
Stating positioner includes spring and place kick, and the place kick can be engaged with the de- tooth location hole of gear, and the central shaft is
Splined shaft, also including bayonet lock retaining mechanism, the bayonet lock retaining mechanism includes, guide rod and clamping body, and the guide rod slides peace
Loaded on housing, the guide rod is connected with shift fork, and the guide rod is provided with bayonet lock mating groove, and the clamping body includes:It is sliding
Seat, the slide is fixed on housing, and bayonet lock is provided with the slide, and the bayonet lock connects with bayonet lock cylinders, the bayonet lock
Oscilaltion is contacted and separated with bayonet lock mating groove in the presence of bayonet lock cylinder, and described mentioning is provided with back-moving spring in cylinder,
Described back-moving spring one end is connected with cylinder bottom is mentioned, and the back-moving spring other end is connected with the piston shaft for mentioning cylinder,
The back-moving spring nature lower piston axle with mention cylinder bottom distance it is most short, described mentioning be provided with cylinder reset bullet
Spring, described back-moving spring one end is connected with cylinder bottom is mentioned, the back-moving spring other end and the piston shaft phase for mentioning cylinder
Even, the back-moving spring nature lower piston axle with mention cylinder bottom distance it is most short, such setting is maintained at gear
There is the function of multi-locking, its multi-locking function is in de- tooth position:One is to push down to mention cylinder piston by compressed air,
Gear is set to be in disengaged condition;Two be the piston for mentioning cylinder under action of reset spring, prevent gear to mention displacement move;Three
It is that place kick blocks gear under the compression of spring on splined shaft, gear is maintained at de- tooth position and put;Four is that bayonet lock is blocked
Guide rod, prevention gear is moved with from de- tooth position to displacement is mentioned.
As a result of above-mentioned technical scheme, the beneficial effects of the invention are as follows:Propose that a kind of locomotive crane loopback takes off
Tooth insurance system, can precise positioning to the position for needing, and with multilayer logic insurance institution, it can be ensured that the de- tooth of loopback can
Lean on, and the function of automatically controlling can be realized, make the manipulation of whole control process precisely with conveniently.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.
Fig. 1 is a kind of schematic diagram of the de- tooth insurance system of locomotive crane loopback of the invention;
Fig. 2 is a kind of bayonet lock retaining mechanism partial schematic diagram of the de- tooth insurance system of locomotive crane loopback of the invention;
Fig. 3 is a kind of pneumatic control schematic diagram of the de- tooth insurance system of locomotive crane loopback of the invention;
Fig. 4 is to mention cylinder partial schematic diagram in Fig. 3;
Marked in figure
1- housings, 2- gears, 3- positioners, 4- central shafts, 5- mention cylinder, 6- back-moving springs, 7- shift forks, 8- and lead
Bar, 9- clamping bodies, 91- slides, 92- bayonet locks, 93- bayonet locks cylinder, 10- airducts.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is as Figure 1-4 a kind of de- tooth insurance system of locomotive crane loopback of the invention, including:Housing 1 and two ends are solid
Due to the central shaft 4 on housing 1, gear 2 is equipped with the central shaft 4, the gear 2 can be slided on central shaft 4, described
One end of housing 1 is provided with mentions cylinder 5, and the piston-rod end for mentioning cylinder 5 is connected with shift fork 7, the shift fork 7 and gear
2 are connected, and the cylinder 5 of mentioning is connected by airduct 10 with train line, and such setting can make gear mentioning position,
Rely on oneself walking position and de- tooth position, i.e. passive movement position between can easily change, and by control system control
Mentioning cylinder can realize automatically controlling for gear position, and the central shaft 4 is provided with the de- tooth location hole of gear, the gear 2
Positioner 3 is provided with, the positioner 3 includes spring and place kick, and the place kick can be with the de- tooth location hole of gear
It is engaged, such setting can not only make gear accurately reach predetermined location, and can also have one with place kick
Fixed coupling mechanism force, the central shaft 4 is splined shaft, and such setting can be such that gear will not occur on splined shaft radially turns
It is dynamic, the positioning precision of gear is improved, and it is easy to slip of the gear on axle, a kind of de- tooth of described locomotive crane loopback is protected
Dangerous system, also including bayonet lock retaining mechanism, the bayonet lock retaining mechanism includes, guide rod 8 and clamping body 9, and the guide rod 8 is slided
It is installed on housing 1, the guide rod 8 is connected with shift fork 7, the guide rod 8 is provided with bayonet lock mating groove, the clamping body 9
Including:Slide 91, the slide 91 is fixed on housing 1, and bayonet lock 92, the bayonet lock 92 and bayonet lock gas are provided with the slide 91
Cylinder 93 is connected, and the oscilaltion in the presence of bayonet lock cylinder 93 of the bayonet lock 92 is contacted and separated with bayonet lock mating groove, so
Setting the ability that gear is maintained at de- tooth position is further strengthened, from and using mechanism structure cooperation realize it is spacing, more
Plus reliability and safety, described mentioning be provided with cylinder 5 back-moving spring 6, the one end of the back-moving spring 6 with mention the bottom of cylinder 5
It is connected, the other end of the back-moving spring 6 is connected with the piston shaft for mentioning cylinder 5, the nature lower piston axle of the back-moving spring 6
The distance from bottom of cylinder 5 is most short with mentioning, and such setting makes to mention cylinder and has makes gear be maintained at the pretightning force of de- tooth position,
Need from mentioning when position slides into de- tooth position with auxiliary screen resilience and being allowed to be maintained at the elastic force of de- tooth position, so as to strengthen cylinder
Coupling mechanism force.
Work and control principle:
Mention principle
Wind is beaten when diesel engine air pump before traveling of relying on oneself, is started, when compressed air is more than 7kg/cm2, the bayonet lock that first closes is disengaged
Button, two-position five-way electromagnetic pneumatic valve events be in unclamp bayonet lock position, compressed air through centre revolving joint to electromagnetism-gas-driving valve,
Arrive bayonet lock cylinder rodless cavity again, bayonet lock cylinder return spring force overcome under compressed air effect, promote bayonet lock in slide to
Upper movement, makes bayonet lock leave the bayonet lock mating groove of guide rod completely, while making bayonet lock push down the travel switch for disengaging bayonet lock, bayonet lock takes off
Open indicator lamp bright.Then close and mention button, two-position five-way electromagnetic pneumatic valve events are in mentions position, and compressed air is returned through center
Adapter to electromagnetism-gas-driving valve, then to mentioning cylinder rodless cavity, overcome under compressed air effect place kick block gear forces and
Mention cylinder return spring force, promote shift fork band moving gear to move forward, while drive guide rod toward reach, make to mention travel switch and take off
Convince bar by patient analysis, mention that indicator lamp is bright, driving gear is engaged with driven gear, rotarily driving moving axis in hydraulic drive motor rotates, real
Traveling of now relying on oneself is acted on.
It is de- to hang principle
After traveling of relying on oneself is finished, first disconnect and mention button, two-position five-way electromagnetism-gas-driving valve dead electricity, in magnetic valve reset bullet
Under spring effect, electromagnetism-gas-driving valve is in de- tooth position, compressed air through centre revolving joint to electromagnetism-gas-driving valve, then through shuttle valve to extension
Tooth cylinder rod chamber, pulls shift fork band moving gear to move backward in compressed air and under mentioning the effect of cylinder return spring force, while
Drive guide rod to move backward, de- tooth travel switch is pushed down guide rod, de- tooth indicator lamp is bright, and gear is disengaged with driven gear, meanwhile, tooth
Place kick on wheel just falls in bayonet lock mating groove, prevents gear reach from being engaged with driven gear.Bayonet lock button is then turned off,
Two-position five-way electromagnetic pneumatic valve events are in and block bayonet lock position, and compressed air is through centre revolving joint to electromagnetism-gas-driving valve, then arrives
Bayonet lock reservoir rodless cavity, pulling bayonet lock is in slide under compressed air, bayonet lock cylinder back-moving spring and bayonet lock Gravitative Loads
Move down, bayonet lock is snapped in the draw-in groove of guide rod, 5mm gaps are reserved between bayonet lock and draw-in groove, while making bayonet lock push down bayonet lock
The travel switch for blocking, it is bright that bayonet lock blocks indicator lamp.
The de- tooth security protection of loopback
During breakdown crane loopback, breakdown crane train pipe angle cork is opened, locomotive fills wind to crane, and compression is empty
Gas to mentioning shuttle valve one, then to cylinder rod chamber is mentioned, in compressed air and mentions cylinder reset bullet through crane angle cock
Under spring effect, while place kick blocks gear under compression spring effect on splined shaft.Train pipe compressed air bayonet lock shuttle valve two
Bayonet lock cylinder rod chamber is arrived again, under compressed air, bayonet lock cylinder action of reset spring and in the case of bayonet lock deadweight, bayonet lock card
Enter in the draw-in groove of guide rod, 5mm gaps are reserved between bayonet lock and draw-in groove.Gear can not be nibbled with driven gear in this case
Close, be safe during loopback.
If the crane train pipe non-compressed air in loopback, driving gear is held by mentioning return spring force, make gear
Can not be engaged with driven gear, be also safe during loopback.Once back-moving spring is tired and pulling force is inadequate, or back-moving spring is damaged
It is bad, in addition position spring breakage, gear only is blocked under compression spring effect by place kick on splined shaft, transported in whole quick loopback
During row, crane loopback epidemic situation comparison is complicated, and just with vibration, place kick card does not live gear sometimes, causes to be likely to occur
Gear is engaged with driven gear, driven gear(It is fixed on moving axis)High-speed gear rotation is rotarily driven at a high speed, makes the big torsion of low speed
Square motor rotates at a high speed, necessarily damages motor, causes gearbox parts to damage and comes off, and causes traffic safety accident.
If above-mentioned three kinds of loopback insurance institutions fail, bayonet lock works in the bayonet lock mating groove of guide rod.Bayonet lock is relied on
In the case of bayonet lock cylinder return spring force and bayonet lock deadweight, bayonet lock is fallen into the bayonet lock mating groove of guide rod.Card of the bayonet lock in guide rod
In groove during mobile 5mm, bayonet lock is blocked at the bayonet lock mating groove of guide rod completely, and crane loopback is also safe.
Beneficial effects of the present invention:(1)The system is used for the safe loopback operation of locomotive crane, and function covers all
The de- tooth safeties of the safe loopback of 100t, 160t locomotive crane.
(2)The system can make the operator de- tooth operation is carried out in the state of being separated with de- tooth operation field completely, realize " people
Separated with scene ".
(3)By the button on the driver operation control panel of crane cabin, control crane rely on oneself traveling mention and
Loopback off card pin assembly, saves cost of labor.
(4)The system makes full use of logic insurance institution, four layers of insurance of sequencing.One layer of crane train pipe compression
Air pushes down cylinder piston, gear is in disengaged condition;Under two layers of action of reset spring of double-acting cylinder, prevent gear with
Driven gear is engaged;Place kick blocks gear under compression spring effect on three layers of splined shaft, prevents gear from being nibbled with driven gear
Close;Four layers of bayonet lock card guide rod, prevention gear is engaged with driven gear.
(5)During crane loopback, bayonet lock cylinder piston is pushed down using the compressed air of train pipe, bayonet lock is snapped in guide rod
In bayonet lock mating groove, prevention gear is engaged with driven gear.
(6) during crane loopback, pushed down using the compressed air of train pipe and mention cylinder piston, make gear and driven tooth
Wheel is disengaged, and loopback is in a safe condition.
(7)Control system and drive mechanism preferentially use pneumatics, pressure sensor technique.
(8)Reservoir magnetic valve uses two-position five-way electromagnetism-gas-driving valve, and magnetic valve is normally opened, and in operation, magnetic valve obtains electric,
Reduce power consumption.
(9)Cylinder uses the cylinder of double action strip back-moving spring.
(10)Guide rod is pre-locked using bayonet lock mode, when other insurance institutions fails from lock and driving and driven be out of gear.
(11)Place kick on gear is stuck on splined shaft under spring force.
(12)Bayonet lock is moved in slide, and contrast locating is more accurate.
(13)Bayonet lock can be stuck in the bayonet lock mating groove of guide rod by bayonet lock deadweight.
(14) bayonet lock is stuck in the bayonet lock mating groove of guide rod under the action of reset spring of cylinder.
(15)Driver operated in drivers' cab mention, bayonet lock button, there is indicator lamp to show that de- tooth, bayonet lock snap in draw-in groove in place
Situation.
The foregoing is only the preferred embodiment of invention, be not intended to limit the invention, it is all this send out spirit and
Any modification, equivalent and improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of locomotive crane loopback takes off tooth insurance system, it is characterised in that including:Housing(1)Housing is fixed on two ends
(1)On central shaft(4), the central shaft(4)On be equipped with gear(2), the gear(2)Can be in central shaft(4)Upper slip,
The housing(1)One end be provided with and mention cylinder(5), it is described to mention cylinder(5)Piston-rod end be connected with shift fork(7), institute
State shift fork(7)With gear(2)It is connected, it is described to mention cylinder(5)By airduct(10)It is connected with train line, also including card
Pin locking mechanism, the bayonet lock retaining mechanism includes, guide rod(8)And clamping body(9), the guide rod(8)It is slidably mounted on shell
Body(1)On, the guide rod(8)With shift fork(7)It is connected, the guide rod(8)It is provided with bayonet lock mating groove, the clamping body
(9)Including:Slide(91), the slide(91)It is fixed on housing(1)On, the slide(91)Inside it is provided with bayonet lock(92), it is described
Bayonet lock(92)With bayonet lock cylinder(93)It is connected, the bayonet lock(92)In bayonet lock cylinder(93)In the presence of oscilaltion and bayonet lock
Mating groove is contacted and separated.
2. a kind of locomotive crane loopback according to claim 1 takes off tooth insurance system, it is characterised in that the central shaft
(4)It is provided with the de- tooth location hole of gear, the gear(2)It is provided with positioner(3), the positioner(3)Including spring
And place kick, the place kick can be engaged with the de- tooth location hole of gear.
3. a kind of locomotive crane loopback according to claim 2 takes off tooth insurance system, it is characterised in that the central shaft
(4)It is splined shaft.
4. a kind of locomotive crane loopback according to claim 1 takes off tooth insurance system, it is characterised in that described to mention gas
Cylinder(5)Inside it is provided with back-moving spring(6), the back-moving spring(6)One end with mention cylinder(5)Bottom is connected, the back-moving spring
(6)The other end with mention cylinder(5)Piston shaft be connected, the back-moving spring(6)Nature lower piston axle with mention cylinder
(5)Distance from bottom is most short.
5. a kind of locomotive crane loopback takes off tooth insurance system, it is characterised in that including:Housing(1)Housing is fixed on two ends
(1)On central shaft(4), the central shaft(4)On be equipped with gear(2), the gear(2)Can be in central shaft(4)Upper slip,
The housing(1)One end be provided with and mention cylinder(5), it is described to mention cylinder(5)Piston-rod end be connected with shift fork(7), institute
State shift fork(7)With gear(2)It is connected, it is described to mention cylinder(5)By airduct(10)It is connected with train line, the center
Axle(4)It is provided with the de- tooth location hole of gear, the gear(2)It is provided with positioner(3), the positioner(3)Including bullet
Spring and place kick, the place kick can be engaged with the de- tooth location hole of gear, the central shaft(4)It is splined shaft, also includes
Bayonet lock retaining mechanism, the bayonet lock retaining mechanism includes, guide rod(8)And clamping body(9), the guide rod(8)It is slidably mounted on
Housing(1)On, the guide rod(8)With shift fork(7)It is connected, the guide rod(8)It is provided with bayonet lock mating groove, the clamping body
(9)Including:Slide(91), the slide(91)It is fixed on housing(1)On, the slide(91)Inside it is provided with bayonet lock(92), it is described
Bayonet lock(92)With bayonet lock cylinder(93)It is connected, the bayonet lock(92)In bayonet lock cylinder(93)In the presence of oscilaltion and bayonet lock
Mating groove is contacted and separated, described to mention cylinder(5)Inside it is provided with back-moving spring(6), the back-moving spring(6)One end with mention gas
Cylinder(5)Bottom is connected, the back-moving spring(6)The other end with mention cylinder(5)Piston shaft be connected, the back-moving spring(6)
Nature lower piston axle with mention cylinder(5)Distance from bottom is most short, described to mention cylinder(5)Inside it is provided with back-moving spring(6), institute
State back-moving spring(6)One end with mention cylinder(5)Bottom is connected, the back-moving spring(6)The other end with mention cylinder(5)Work
Plug axle is connected, the back-moving spring(6)Nature lower piston axle with mention cylinder(5)Distance from bottom is most short.
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DE1951024C2 (en) * | 1968-10-10 | 1983-02-03 | Harnischfeger Corp., 53246 West Milwaukee, Wis. | Load crane |
CN202379606U (en) * | 2011-10-21 | 2012-08-15 | 南车成都机车车辆有限公司 | Pilot pressure and engine rotational speed linkage for railway cranes |
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