CN202988664U - Autorail - Google Patents
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- CN202988664U CN202988664U CN 201220644426 CN201220644426U CN202988664U CN 202988664 U CN202988664 U CN 202988664U CN 201220644426 CN201220644426 CN 201220644426 CN 201220644426 U CN201220644426 U CN 201220644426U CN 202988664 U CN202988664 U CN 202988664U
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Abstract
The utility model provides an autorail. Car wheels, a cab and an aerial work platform are arranged on a car frame. The autorail further comprises a brake system which comprises an air compressor, a braking manipulator and two sets of braking actuators. A second brake disc is placed on a wheel axle of a front guide wheel which is capable of lifting, and a second brake disc is arranged on a wheel axle of a back guide wheel which is capable of lifting. A brake clamp of one set of braking actuator is placed on a first brake disc, and a brake clamp of the other set of braking actuator is arranged on the second brake disc. The aerial work platform comprises a swing mechanism, a base, a retractable arm, a foldable arm, a drive oil cylinder and a work hopper. A down-regulation flat oil cylinder is arranged between a fixed arm and the base, an up-regulation flat oil cylinder is placed between a sliding arm and the foldable arm, a first chain wheel is connected on a hinge joint of the foldable arm and the sliding arm in a hinged mode, and a second chain wheel is placed on a hinge joint of the foldable arm and the work hopper. Braking properties of the autorail on a rail are improved, and the aerial work platform is adjusted conveniently.
Description
Technical field
The utility model relates to engineering truck, relates in particular to a kind of autorail.
Background technology
At present, autorail both can travel on highway because of it, can move on railway again, was widely used in the rail transport industry.The operations such as autorail is generally used for rail traction, repairing, constructs and speedily carries out rescue work.Autorail of the prior art mainly comprises: vehicle frame, wheel, liftable rear track adjusting wheel, liftable front jockey wheel and high-altitude operation platform.Autorail can travel on highway by wheel, and can travel on rail by the front and back track adjusting wheel.For autorail, front and back track adjusting wheel and high-altitude operation platform are important constituent elementss, still need when but autorail of the prior art travels on railway to brake by wheel and rail friction, cause braking effect relatively poor; And high-altitude operation platform in use, and high-altitude operation platform is owing to there being its rotation of motor-driven, and anglec of rotation control accuracy is lower, and the working bucket of high-altitude operation platform adopts separately hydraulic actuating cylinder to adjust usually, adjustment process is loaded down with trivial details, causes working bucket to be difficult for leveling, affects workman's work.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of autorail is provided, solve autorail of the prior art braking effect on railway poor, and high-altitude operation platform is difficult for the defective of adjustment, realize improving the deceleration and stopping performance of autorail on railway, and the convenient high-altitude operation platform of adjusting.
the technical scheme that the utility model provides is, a kind of autorail, comprise vehicle frame, be arranged on the wheel on described vehicle frame, liftable front jockey wheel and liftable rear track adjusting wheel, be provided with operator's compartment and high-altitude operation platform on described vehicle frame, it is characterized in that, also comprise: brake system, described brake system comprises air compressor, brake modulator and two cover brake actuators, described brake actuator comprises solenoid electric valve, unit brake cylinder, brake pump and brake clamp, described air compressor is connected with the admission port of described brake modulator, the air extractor duct of described solenoid electric valve is connected with the admission port of described unit brake cylinder, the piston rod of described unit brake cylinder and the piston rod of described brake pump link together, the hydraulic fluid port of described brake pump and the hydraulic fluid port of described brake clamp link together, what the normal supply air line of described brake modulator connected described solenoid electric valve often drives gas port into, the control supply air line of described brake modulator connects the normally closed admission port of described solenoid electric valve, be provided with the first brake dish on the wheel shaft of described wheel, the wheel shaft of described liftable front jockey wheel and the wheel shaft of described liftable rear track adjusting wheel are respectively arranged with the second brake disc, wherein the brake clamp in a described brake actuator of cover is arranged on described first brake dish, brake clamp in another set of described brake actuator is arranged on described the second brake disc, be provided with on service brake in described operator's compartment be used to the foot-operated switch of controlling described brake modulator operation, described foot-operated switch is connected with described brake modulator, described high-altitude operation platform, comprise swing type mechanism, base, telescopic boom, folding arm, drive oil cylinder and working bucket, the fixed arm of described telescopic boom is hinged on described base, one end of described folding arm is hinged on the travelling arm of described telescopic boom, described working bucket is hinged on the other end of described folding arm, one end of described driving oil cylinder is hinged on described base, the other end of described driving oil cylinder is hinged on the middle part of described fixed arm, described swing type mechanism comprises supporting seat, revolving bed and actuating device, described actuating device comprises hydraulic actuating cylinder and pivoting support, the inner ring of described pivoting support is fixed on described supporting seat, the outer ring of described pivoting support is fixed on described revolving bed, be connected with tooth bar on the piston rod of described hydraulic actuating cylinder, the outer ring of described pivoting support is gear ring structure, described tooth bar and the engagement of described outer ring, described base is fixed on described revolving bed, described revolving bed is fixed on described vehicle frame, also be provided with lower leveling cyclinder between described fixed arm and described base, an end and the described fixed arm of described lower leveling cyclinder are hinged, and the other end of described lower leveling cyclinder and described base are hinged, also be provided with leveling cyclinder between described travelling arm and described folding arm, one end and the described travelling arm of described upper leveling cyclinder are hinged, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, and the rodless cavity body of described lower leveling cyclinder is connected with the rodless cavity body of described upper leveling cyclinder, the hinged place of described folding arm and described travelling arm also is hinged with the first sprocket wheel, the edge of the other end of described upper leveling cyclinder and described the first sprocket wheel is hinged, the hinged place of described folding arm and described working bucket is provided with the second sprocket wheel, described the second sprocket wheel is fixed on described working bucket, be provided with chain between described the first sprocket wheel and described the second sprocket wheel, and described the first sprocket wheel is identical with described the second sprocket wheel, distance between the hinged place of the distance between the hinged place of the hinged place of described fixed arm and described base and described fixed arm and described lower leveling cyclinder, the hinged place that equals described the first sprocket wheel and described travelling arm and described the first sprocket wheel and described upper leveling cyclinder.
Autorail as above, be provided with in described operator's compartment for the first controller of controlling two described solenoid electric valve operations, be provided with on described high-altitude operation platform for the second controller of controlling two described solenoid electric valves operations, described the first controller be connected second controller and be connected with described solenoid electric valve respectively.
Autorail as above is provided with stop button on described operator's compartment and described high-altitude operation platform, and described stop button is connected with described solenoid electric valve.
Autorail as above, described actuating device also comprises guide piece, described guide piece comprises guide holder, orienting lug and slip cap, described slip cap is arranged on described guide holder, described orienting lug is slidably connected in described slip cap, the end of described slip cap is provided with adjusting bolt, be provided with spring between described bolt and described orienting lug, described guide holder is fixed on described supporting seat and is positioned at the outside of described tooth bar, and described orienting lug is resisted against on the sidewall of described tooth bar.
Autorail as above is respectively arranged with guide plate on the top of described guide holder and described supporting seat, and described tooth bar is between two described guide plates.
Autorail as above, be provided with the rotating shaft of vertical setting on described working bucket, be provided with mounting bracket in described rotating shaft, described mounting bracket is hinged on described folding arm, and described the second sprocket wheel is arranged on the hinged place of described folding arm and described mounting bracket; Be provided with bearing pin on described mounting bracket, described bearing pin and described shaft parallel are provided with push cylinder on described working bucket, and an end of described push cylinder is hinged on described working bucket, and the other end of described push cylinder is hinged on described bearing pin.
Autorail as above, also be hinged with the first connecting panel on described travelling arm, described folding arm also is hinged with the second connecting panel, described the first connecting panel and described the second connecting panel are hinged, also be hinged with folding oil cylinder between described mounting bracket and described the second connecting panel, one end of described folding oil cylinder is hinged on described the second connecting panel, and the other end of described folding oil cylinder is hinged on described folding arm.
Autorail as above, the hinged place of described folding oil cylinder and described the second connecting panel is positioned at a side of the hinged place of described the first connecting panel and described the second connecting panel.
Autorail as above is respectively arranged with adjustment block on the two side of described fixed arm and upper wall, is respectively arranged with adjustment block on the two side of described travelling arm and lower wall; Described adjustment block comprises fixed cover, wear-resisting plug, belleville spring and adjustment bolt, described wear-resisting plug is slidably connected in described fixed cover, described adjustment bolt thread is connected to the end of described fixed cover, and described belleville spring is between described adjustment bolt and described wear-resisting plug; Adjustment block on described fixed arm is fixed on described fixed arm by fixed cover, the wear-resisting plug of the adjustment block on described fixed arm is resisted against on described travelling arm, adjustment block on described travelling arm is fixed on described travelling arm by fixed cover, and the wear-resisting plug of the adjustment block on described travelling arm is resisted against on described fixed arm; The lower wall of described fixed arm and the upper wall of described travelling arm are respectively arranged with wear plate, and two described wear plates lay respectively between described fixed arm and described travelling arm.
the autorail that the utility model provides, by on liftable front jockey wheel and liftable rear track adjusting wheel, the second brake disc being set, and correspondence arranges two cover brake actuators in brake system, wherein a cover brake actuator is used for controlling the braking of wheel, another set of brake actuator is used for controlling the braking of track adjusting wheel, thereby when travelling on railway, can brake track adjusting wheel by the braking execution architecture corresponding with track adjusting wheel, thereby effectively raise braking effect, and also actv. is avoided because adopting wheel braking to cause the phenomenon of serious wear of wheel, actv. has extended the service life of wheel.And move back and forth by hydraulic actuating cylinder band carry-over bar, tooth bar will drive the outer ring rotating of pivoting support, to realize the rotation of revolving bed, tooth bar coordinates with the outer ring of gear ring structure, can control accurately the rotational angle of revolving bed, tooth bar and outer ring engagement can be guaranteed revolving bed pulsation-free rotation more, thereby realize high-altitude operation platform pulsation-free rotation more; In addition, the lower leveling cyclinder that arranges by interlock and upper leveling cyclinder are controlled the position of working bucket, can control accurately bench board and be in horizontality, and when working bucket is used run-off the straight for a long time, can coordinate the further working bucket of regulating to be in horizontality by two sprocket wheels, realize having improved the reliability of high-altitude operation platform.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model autorail embodiment;
Fig. 2 is the catenation principle figure of brake system in the utility model autorail embodiment;
Fig. 3 is the partial assembled schematic diagram of wheel in the utility model autorail embodiment;
Fig. 4 is the partial assembled schematic diagram of liftable rear track adjusting wheel in the utility model autorail embodiment;
Fig. 5 is the structural representation of the utility model autorail embodiment high and medium job platform;
Fig. 6 is the structural representation of swing type mechanism in the utility model autorail embodiment;
Fig. 7 be in Fig. 6 C-C to cutaway view;
Fig. 8 is the local enlarged diagram in D zone in Fig. 7;
Fig. 9 is the cutaway view of the guide piece in the utility model autorail embodiment;
Figure 10 be in Fig. 5 A to part sectional view;
Figure 11 be in Fig. 5 B to part sectional view;
Figure 12 is the local enlarged diagram in E zone in Fig. 5;
Figure 13 be in Figure 12 F to part sectional view;
Figure 14 is the cutaway view of the adjustment block in the utility model autorail embodiment;
Figure 15 descends the connection diagram of leveling cyclinder and upper leveling cyclinder in the utility model autorail embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
as shown in Figure 15 in 1-, the present embodiment autorail, comprise vehicle frame 1, be provided with wheel 2 on vehicle frame 1, liftable front jockey wheel 3 and liftable rear track adjusting wheel 4, be provided with operator's compartment 11 and high-altitude operation platform 6 on vehicle frame 1, also comprise: brake system 5, brake system 5 comprises air compressor 51, brake modulator 52 and two cover brake actuators, brake actuator comprises solenoid electric valve 53, unit brake cylinder 54, brake pump 55 and brake clamp 56, air compressor 51 is connected with the admission port of brake modulator 52, the air extractor duct of solenoid electric valve 53 is connected with the admission port of unit brake cylinder 54, the piston rod of the piston rod of unit brake cylinder 54 and brake pump 55 links together, the hydraulic fluid port of the hydraulic fluid port of brake pump 55 and brake clamp 56 links together, what the normal supply air line 521 of brake modulator 52 connected solenoid electric valves 53 often drives gas port into, the control supply air line 522 of brake modulator 52 connects the normally closed admission port of solenoid electric valve 53, be provided with first brake dish 501 on the wheel shaft 21 of wheel 2, the wheel shaft 41 of the wheel shaft of liftable front jockey wheel 3 and liftable rear track adjusting wheel 4 is respectively arranged with the second brake disc 502, wherein the brake clamp 56 in a cover brake actuator is arranged on first brake dish 501, brake clamp 56 in another set of brake actuator is arranged on the second brake disc 502, be provided with on service brake in operator's compartment 11 for the foot-operated switch 71 of controlling brake modulator 52, foot-operated switch 71 is connected with brake modulator 52.High-altitude operation platform 6, comprise swing type mechanism 61, base 62, telescopic boom 63, folding arm 64, drive oil cylinder 65 and working bucket 66, the fixed arm 631 of telescopic boom 63 is hinged on base 62, one end of folding arm 64 is hinged on the travelling arm 632 of telescopic boom 63, working bucket 66 is hinged on the other end of folding arm 64, an end that drives oil cylinder 65 is hinged on base 62, and the other end that drives oil cylinder 65 is hinged on the middle part of fixed arm 631; Swing type mechanism 61 comprises: supporting seat 611 and revolving bed 612, also comprise actuating device, actuating device comprises hydraulic actuating cylinder 613 and pivoting support 614, the inner ring 6141 of pivoting support 614 is fixed on supporting seat 611, the outer ring 6142 of pivoting support 614 is fixed on revolving bed 612, is connected with tooth bar 615 on the piston rod 631 of hydraulic actuating cylinder 613, and the outer ring 6142 of pivoting support 614 is gear ring structure, tooth bar 615 and outer ring 6142 engagements, base 62 is fixed on revolving bed 612.Also be provided with lower leveling cyclinder 671 between fixed arm 631 and base 62, an end and the fixed arm 631 of lower leveling cyclinder 671 are hinged, and the other end of lower leveling cyclinder 671 and base 62 are hinged; Also be provided with leveling cyclinder 672 between travelling arm 632 and folding arm 64, one end and the travelling arm 632 of upper leveling cyclinder 672 are hinged, the rod chamber body 712 of lower leveling cyclinder 671 is connected with the rod chamber body 6722 of upper leveling cyclinder 672, and the rodless cavity body 6711 of lower leveling cyclinder 671 is connected with the rodless cavity body 6721 of upper leveling cyclinder 672; Folding arm 64 is hinged with the first sprocket wheel 681 with the hinged place of travelling arm 632, the edge of the other end of upper leveling cyclinder 672 and the first sprocket wheel 681 is hinged, folding arm 64 is provided with the second sprocket wheel 682 with the hinged place of working bucket 66, the second sprocket wheel 682 is fixed on working bucket 66, be provided with chain 83 between the first sprocket wheel 681 and the second sprocket wheel 682, and the first sprocket wheel 681 is identical with the second sprocket wheel 682; Distance between the hinged place of the distance between the hinged place of the hinged place of fixed arm 631 and base 62 and fixed arm 631 and lower leveling cyclinder 671, the hinged place that equals the first sprocket wheel 681 and travelling arm 632 and the first sprocket wheel 681 and upper leveling cyclinder 672.
Wherein, for when pulling the hand brake, realization is all implemented braking to wheel shaft and the liftable rear track adjusting wheel 4 of wheel 2, liftable front jockey wheel 3, the air extractor duct of two unit brake cylinders 54 is connected to a relay valve 57 jointly, be provided with on parking brake in operator's compartment 11 (not shown) for the parking brake switch 75 of controlling relay valve 57 operations, parking brake switch 75 is connected with relay valve 57.In order to control the pressure of the air that enters into unit brake cylinder 54, also be provided with reducing valve 541 between solenoid electric valve 53 and unit brake cylinder 54.When braking failure appears in air compressor 51 et out of orders, for timely driver, also be connected with pressure switch 5211 on normal supply air line 521, the air extractor duct of air compressor 51 also is connected with electromagnetic valve 58, electromagnetic valve 58 is connected with steam whistle 59, and electromagnetic valve 58 is connected with pressure switch 5211.In addition, in railway and highway switchover operation and the maintenance activity process exist, control two cover brake actuator operations in order to facilitate chaufeur, be provided with in operator's compartment 11 for the first controller 72 of controlling 53 operations of two solenoid electric valves, be provided with on high-altitude operation platform 6 to be connected with second controller for second controller 73, the first controllers 72 of controlling 53 operations of two solenoid electric valves and be connected with solenoid electric valve 53 respectively.In addition, for when the emergency state, realize emergency braking, be provided with stop button 74 on operator's compartment 11 and high-altitude operation platform 6, stop button 74 is connected with solenoid electric valve 53.
Concrete, high-altitude operation platform 6 rotates in order to realize pulsation-free, and the revolving bed 612 in swing type mechanism 61 is fixed on the outer ring 6142 of pivoting support 614, and hydraulic actuating cylinder 613 coordinates with outer ring 6142 by tooth bar 615 will drive revolving bed 612 rotations.Due to the mode transferring power that adopts tooth bar 615 with outer ring 6142 engagements; can control more accurately the rotational angle of revolving bed 612; in addition; tooth bar 615 is connected with a joggle with outer ring 6142; can guarantee revolving bed 612 pulsation-free rotation more, avoid adopting belt or chain gear the phenomenon of skidding or threading off to occur.Further, for tooth bar 615 is positioned, actuating device in the present embodiment also comprises guide piece 616, guide piece 616 comprises guide holder 6161 and orienting lug 6162, orienting lug 6162 is arranged on guide holder 6161, guide holder 6161 is fixed on supporting seat 611 and is positioned at the outside of tooth bar 615, and orienting lug 6162 is resisted against on the sidewall of tooth bar 615.Concrete, can lead and locate tooth bar 615 by orienting lug 6162, guarantee tooth bar 615 and outer ring 6142 failure-free engaged transmission, preferred, be provided with two orienting lugs 6162 on the guide holder 6161 in the present embodiment.Further, the vibration that produces in motion process in order to reduce tooth bar 615, be provided with two slip caps 6163 on guide holder 6161 in the present embodiment, orienting lug 6162 is slidably connected in slip cap 6163, the end of slip cap 6163 is provided with adjusting bolt 6164, is provided with spring 6165 between adjusting bolt 6164 and orienting lug 6162.Concrete, exert pressure by 6165 pairs of orienting lugs 6162 of spring, orienting lug 6162 is attached on tooth bar 615 all the time closely, thereby has reduced the vibration that tooth bar 615 produces in motion process.For tooth bar 615 can be slided by pulsation-free, be respectively arranged with guide plate 617 on the top of the guide holder 6161 in the present embodiment and supporting seat 611, tooth bar 615 is between two guide plates 617.Concrete, guide plate 617 be brass plate, has to lead and wear-resisting effect, makes the slip that tooth bar 615 can steady and smooth between two guide plates 617.Wherein, stressed evenly in order to make outer ring 6142, the both sides of the pivoting support 614 in the present embodiment are respectively arranged with actuating device.Move back and forth by hydraulic actuating cylinder 613 band carry-over bars 615; tooth bar 615 will drive the outer ring 6142 of pivoting support 614 and rotate; to realize the rotation of revolving bed 612; tooth bar 615 coordinates with the outer ring 6142 of gear ring structure; can control accurately the rotational angle of revolving bed 612, in addition, tooth bar 615 and outer ring 6142 engagements; can guarantee revolving bed 612 pulsation-free rotation more, realize having improved the reliability of swing type mechanism 61.
high-altitude operation platform 6 is for the convenient position of regulating working bucket 66, guarantee that working bucket 66 is in horizontality, the lower leveling cyclinder 671 and the upper leveling cyclinder 672 that arrange by interlock coordinate, lower leveling cyclinder 671 is identical with upper leveling cyclinder 672, when telescopic boom 63 carries out luffing by driving oil cylinder 65 drives, lower leveling cyclinder 671 is along with telescopic boom 63 interlocks, when the rod chamber 6712 of lower leveling cyclinder 671 extends certain-length, the rodless cavity 6721 of upper leveling cyclinder 672 just shortens identical length, hydraulic pressure parallel four-bar linkage on this group oil cylinder theory of constitution, thereby guarantee when telescopic boom 63 carries out luffing, rotate by synchronous first sprocket wheel 681 that drives of upper leveling cyclinder 672, drive working bucket 66 by the second sprocket wheel 682 and be in the horizontality that regulates.wherein, the first sprocket wheel 681 and the second sprocket wheel 682 form is mechanically four-bar linkage, when upper leveling cyclinder 672 drives the first sprocket wheel 681 rotation, due to the distance between the hinged place of fixed arm 631 and lower leveling cyclinder 671 and base 62, equal the distance between the hinged place of the first sprocket wheel 681 and upper leveling cyclinder 672 and travelling arm 632, after making lower leveling cyclinder 671 elongations because of fixed arm 631 rotations or shrinking certain distance, upper leveling cyclinder 672 is understood corresponding contraction or extends identical distance, the opposite direction thereby the angle that realizes angle that the first sprocket wheel 681 rotates and fixed arm 631 rotations is identical, the first sprocket wheel 681 drives the second sprocket wheel 682 and rotates together when rotating, with be connected the working bucket 66 that sprocket wheel 682 connects and will remain at level attitude.In addition, when working bucket 66 works long hours or reveals and to cause working bucket 66 not at ordinary times due to hydraulic oil, can control separately that leveling cyclinder 672 drives the first sprocket wheels 681 and the second sprocket wheel 682 is manually adjusted level.Up and down leveling sprocket wheel and chain form four-bar linkage mechanically, and when high-altitude operation platform 6 liftings descended, hydraulic pressure and mechanical two groups of parallel four-bar linkages remained level, guarantee the position maintenance level of working bucket 66.
Further, in order to realize that controlling separately working bucket 66 swings in horizontal surface, be provided with the rotating shaft 60 of vertical setting on working bucket 66 in the present embodiment, be provided with mounting bracket 61 in rotating shaft 60, mounting bracket 61 is hinged on folding arm 64, and the second sprocket wheel 682 is arranged on the hinged place of folding arm 64 and mounting bracket 61; Be provided with bearing pin 611 on mounting bracket 61, bearing pin 611 is parallel with rotating shaft 60, is provided with push cylinder 62 on working bucket 66, and an end of push cylinder 62 is hinged on working bucket 66, and the other end of push cylinder 62 is hinged on bearing pin 611.Concrete, in high-altitude operation platform 6 operation process, sometimes need by a small margin adjustment is carried out in the position of working bucket 66, if at this moment with swing type mechanism 61, adjust the action inaccuracy, not easy to operate, must adjust the position of high-altitude operation platform 6 whole mechanisms simultaneously, needed energy is larger.And flexible by push cylinder 62 makes working bucket 66 rotate around rotating shaft 60, realize adjusting separately the position of working bucket 66, reached the purpose that working bucket 66 positions are adjusted by a small margin, improved the accuracy rate of action and the flexibility ratio of vehicle; Also reduce simultaneously the frequency of utilization of swing type mechanism 61, saved energy, improved mechanical efficiency.
Further again, in order to increase the luffing angle of folding arm 64, realize increasing the amplitude of fluctuation of folding arm 64, to satisfy job requirement, also be hinged with the first connecting panel 642 on travelling arm 632 in the present embodiment, folding arm 64 also is hinged with the second connecting panel 643, the first connecting panel 642 and the second connecting panel 643 are hinged, also be hinged with folding oil cylinder 641 between mounting bracket 61 and the second connecting panel 643, one end of folding oil cylinder 641 is hinged on the second connecting panel 643, and the other end of folding oil cylinder 641 is hinged on folding arm 64.Concrete, the first connecting panel 642 and the second connecting panel 643 rear formation V-type simple beam structure that is articulated and connected, folding oil cylinder 641 drives folding arm 64 by the first connecting panel 642 and the second connecting panel 643 and makes the pitching action, because folding oil cylinder 641 is not directly to be connected on folding arm 64, and folding oil cylinder 641, folding arm 64, the first connecting panel 642 and the second connecting panel 643 form bar linkage structure, can realize folding arm 64 swing by a larger margin.Preferably, for the amplitude of fluctuation that makes folding arm 64 reach ± 90 °, the hinged place of folding oil cylinder 641 and the second connecting panel 643 is positioned at a side of the hinged place of the first connecting panel 642 and the second connecting panel 643.
Further, in order automatically to adjust the position relationship between travelling arm 632 and fixed arm 631, realize the function of travelling arm 632 automatic centerings, be respectively arranged with adjustment block 633 on the two side of the fixed arm 631 in the present embodiment and upper wall, be respectively arranged with adjustment block 633 on the two side of travelling arm 632 and lower wall; Adjustment block 633 comprises fixed cover 6331, wear-resisting plug 6332, belleville spring 6334 and adjusts bolt 6333, wear-resisting plug 6332 is slidably connected in fixed cover 6331, adjust the end that bolt 6333 is threaded in fixed cover 6331, belleville spring 6334 is being adjusted between bolt 6333 and wear-resisting plug 6332; Adjustment block 633 on fixed arm 631 is fixed on fixed arm 631 by fixed cover 6331, the wear-resisting plug 6332 of the adjustment block 633 on fixed arm 631 is resisted against on travelling arm 632, adjustment block 633 on travelling arm 632 is fixed on travelling arm 632 by fixed cover 6331, and the wear-resisting plug 6332 of the adjustment block 633 on travelling arm 632 is resisted against on fixed arm; The upper wall of the lower wall of fixed arm 631 and travelling arm 632 is respectively arranged with 634, two wear plates 634 of wear plate and lays respectively between fixed arm 631 and travelling arm 632.Concrete, when telescopic boom 63 flexible operation, the phenomenon of off center easily appears in travelling arm 632, can realize travelling arm 632 automatic centerings by adjustment block 633 is set.In telescopic boom 63 assembling and setting processes, utilize and adjust bolt 6333 adjustings to belleville spring 6334 applied pressures, make travelling arm 632 be in the state of centering.In motion process, if the left and right skew appears in travelling arm 632, can compress the wear-resistant block 33 of respective side, and then the belleville spring 6334 of compression travelling arm 632 inside, therefore front belleville spring 6334 has been in compressive state, thereby can apply rightabout pressure to travelling arm 632, the skew of balance travelling arm 632, make travelling arm 632 automatic centerings, can the failure-free operation to guarantee telescopic boom 63.
Following according to the present embodiment autorail under different conditions, to two the cover brake actuators controlling runs describe.
1. under the road running state, control solenoid electric valve 53 energisings of the brake actuator that is used for brake wheel 2 by the first controller 72, make and control supply air line 522 and be communicated with unit brake cylinder 54 in this brake actuator, the brake clamp 56 on wheel 2 is in relieved state at this moment; Cut off the power supply and control by the first controller 72 solenoid electric valve 53 that is used for braking guide wheel, normal supply air line 521 is communicated with corresponding unit brake cylinder 54, brake clamp 56 on liftable front jockey wheel 3 and liftable rear track adjusting wheel 4 is in braking mode at this moment, operating personal touches foot-operated switch 71 by adopting service brake, is controlled by foot-operated switch 71 and controls supply air line 522 output high-pressure gas in brake modulator 52 so that wheel 2 is braked.
2. under the railway motoring condition, switch on respectively by the solenoid electric valve 53 that the first controller 72 is controlled the brake actuator that is used for brake wheel 2 and track adjusting wheel, brake clamp 56 on wheel 2, liftable front jockey wheel 3 and liftable rear track adjusting wheel 4 is in relieved state, operating personal touches foot-operated switch 71 by adopting service brake, is controlled by foot-operated switch 71 and controls supply air line 522 output high-pressure gas in brake modulator 52 so that wheel 2, liftable front jockey wheel 3 and liftable rear track adjusting wheel 4 are braked.
3. under the engineer operation state, control solenoid electric valve 53 energisings of the brake actuator that is used for brake wheel 2 by second controller 73, and control as required the power on/off of the solenoid electric valve 53 of the brake actuator that is used for braking guide wheel by second controller 73.
4. when operating personal was pressed any stop button 74, solenoid electric valve 53 cut off the power supply at once, and track adjusting wheel is braked at once.
the present embodiment autorail, by on liftable front jockey wheel and liftable rear track adjusting wheel, the second brake disc being set, and correspondence arranges two cover brake actuators in brake system, wherein a cover brake actuator is used for controlling the braking of wheel, another set of brake actuator is used for controlling the braking of track adjusting wheel, thereby when travelling on railway, can brake track adjusting wheel by the braking execution architecture corresponding with track adjusting wheel, thereby effectively raise braking effect, and also actv. is avoided because adopting wheel braking to cause the phenomenon of serious wear of wheel, actv. has extended the service life of wheel.And move back and forth by hydraulic actuating cylinder band carry-over bar, tooth bar will drive the outer ring rotating of pivoting support, to realize the rotation of revolving bed, tooth bar coordinates with the outer ring of gear ring structure, can control accurately the rotational angle of revolving bed, tooth bar and outer ring engagement can be guaranteed revolving bed pulsation-free rotation more, thereby realize high-altitude operation platform pulsation-free rotation more; In addition, the lower leveling cyclinder that arranges by interlock and upper leveling cyclinder are controlled the position of working bucket, can control accurately bench board and be in horizontality, and when working bucket is used run-off the straight for a long time, can coordinate the further working bucket of regulating to be in horizontality by two sprocket wheels, realize having improved the reliability of high-altitude operation platform.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. autorail, comprise vehicle frame, be arranged on the wheel on described vehicle frame, liftable front jockey wheel and liftable rear track adjusting wheel, be provided with operator's compartment and high-altitude operation platform on described vehicle frame, it is characterized in that, also comprise: brake system, described brake system comprises air compressor, brake modulator and two cover brake actuators, described brake actuator comprises solenoid electric valve, unit brake cylinder, brake pump and brake clamp, described air compressor is connected with the admission port of described brake modulator, the air extractor duct of described solenoid electric valve is connected with the admission port of described unit brake cylinder, the piston rod of described unit brake cylinder and the piston rod of described brake pump link together, the hydraulic fluid port of described brake pump and the hydraulic fluid port of described brake clamp link together, what the normal supply air line of described brake modulator connected described solenoid electric valve often drives gas port into, the control supply air line of described brake modulator connects the normally closed admission port of described solenoid electric valve, be provided with the first brake dish on the wheel shaft of described wheel, the wheel shaft of described liftable front jockey wheel and the wheel shaft of described liftable rear track adjusting wheel are respectively arranged with the second brake disc, wherein the brake clamp in a described brake actuator of cover is arranged on described first brake dish, brake clamp in another set of described brake actuator is arranged on described the second brake disc, be provided with on service brake in described operator's compartment be used to the foot-operated switch of controlling described brake modulator operation, described foot-operated switch is connected with described brake modulator, described high-altitude operation platform, comprise swing type mechanism, base, telescopic boom, folding arm, drive oil cylinder and working bucket, the fixed arm of described telescopic boom is hinged on described base, one end of described folding arm is hinged on the travelling arm of described telescopic boom, described working bucket is hinged on the other end of described folding arm, one end of described driving oil cylinder is hinged on described base, the other end of described driving oil cylinder is hinged on the middle part of described fixed arm, described swing type mechanism comprises supporting seat, revolving bed and actuating device, described actuating device comprises hydraulic actuating cylinder and pivoting support, the inner ring of described pivoting support is fixed on described supporting seat, the outer ring of described pivoting support is fixed on described revolving bed, be connected with tooth bar on the piston rod of described hydraulic actuating cylinder, the outer ring of described pivoting support is gear ring structure, described tooth bar and the engagement of described outer ring, described base is fixed on described revolving bed, described revolving bed is fixed on described vehicle frame, also be provided with lower leveling cyclinder between described fixed arm and described base, an end and the described fixed arm of described lower leveling cyclinder are hinged, and the other end of described lower leveling cyclinder and described base are hinged, also be provided with leveling cyclinder between described travelling arm and described folding arm, one end and the described travelling arm of described upper leveling cyclinder are hinged, the rod chamber body of described lower leveling cyclinder is connected with the rod chamber body of described upper leveling cyclinder, and the rodless cavity body of described lower leveling cyclinder is connected with the rodless cavity body of described upper leveling cyclinder, the hinged place of described folding arm and described travelling arm also is hinged with the first sprocket wheel, the edge of the other end of described upper leveling cyclinder and described the first sprocket wheel is hinged, the hinged place of described folding arm and described working bucket is provided with the second sprocket wheel, described the second sprocket wheel is fixed on described working bucket, be provided with chain between described the first sprocket wheel and described the second sprocket wheel, and described the first sprocket wheel is identical with described the second sprocket wheel, distance between the hinged place of the distance between the hinged place of the hinged place of described fixed arm and described base and described fixed arm and described lower leveling cyclinder, the hinged place that equals described the first sprocket wheel and described travelling arm and described the first sprocket wheel and described upper leveling cyclinder.
2. autorail according to claim 1, it is characterized in that, be provided with in described operator's compartment for the first controller of controlling two described solenoid electric valve operations, be provided with on described high-altitude operation platform for the second controller of controlling two described solenoid electric valves operations, described the first controller be connected second controller and be connected with described solenoid electric valve respectively.
3. autorail according to claim 2, is characterized in that, is provided with stop button on described operator's compartment and described high-altitude operation platform, and described stop button is connected with described solenoid electric valve.
4. autorail according to claim 1, it is characterized in that, described actuating device also comprises guide piece, described guide piece comprises guide holder, orienting lug and slip cap, described slip cap is arranged on described guide holder, described orienting lug is slidably connected in described slip cap, the end of described slip cap is provided with adjusting bolt, be provided with spring between described bolt and described orienting lug, described guide holder is fixed on described supporting seat and is positioned at the outside of described tooth bar, and described orienting lug is resisted against on the sidewall of described tooth bar.
5. autorail according to claim 4, is characterized in that, is respectively arranged with guide plate on the top of described guide holder and described supporting seat, and described tooth bar is between two described guide plates.
6. autorail according to claim 1, it is characterized in that, be provided with the rotating shaft of vertical setting on described working bucket, be provided with mounting bracket in described rotating shaft, described mounting bracket is hinged on described folding arm, and described the second sprocket wheel is arranged on the hinged place of described folding arm and described mounting bracket; Be provided with bearing pin on described mounting bracket, described bearing pin and described shaft parallel are provided with push cylinder on described working bucket, and an end of described push cylinder is hinged on described working bucket, and the other end of described push cylinder is hinged on described bearing pin.
7. autorail according to claim 6, it is characterized in that, also be hinged with the first connecting panel on described travelling arm, described folding arm also is hinged with the second connecting panel, described the first connecting panel and described the second connecting panel are hinged, also be hinged with folding oil cylinder between described mounting bracket and described the second connecting panel, an end of described folding oil cylinder is hinged on described the second connecting panel, and the other end of described folding oil cylinder is hinged on described folding arm.
8. autorail according to claim 7, is characterized in that, the hinged place of described folding oil cylinder and described the second connecting panel is positioned at a side of the hinged place of described the first connecting panel and described the second connecting panel.
9. autorail according to claim 1, is characterized in that, is respectively arranged with adjustment block on the two side of described fixed arm and upper wall, is respectively arranged with adjustment block on the two side of described travelling arm and lower wall; Described adjustment block comprises fixed cover, wear-resisting plug, belleville spring and adjustment bolt, described wear-resisting plug is slidably connected in described fixed cover, described adjustment bolt thread is connected to the end of described fixed cover, and described belleville spring is between described adjustment bolt and described wear-resisting plug; Adjustment block on described fixed arm is fixed on described fixed arm by fixed cover, the wear-resisting plug of the adjustment block on described fixed arm is resisted against on described travelling arm, adjustment block on described travelling arm is fixed on described travelling arm by fixed cover, and the wear-resisting plug of the adjustment block on described travelling arm is resisted against on described fixed arm; The lower wall of described fixed arm and the upper wall of described travelling arm are respectively arranged with wear plate, and two described wear plates lay respectively between described fixed arm and described travelling arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644426 CN202988664U (en) | 2012-11-30 | 2012-11-30 | Autorail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644426 CN202988664U (en) | 2012-11-30 | 2012-11-30 | Autorail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202988664U true CN202988664U (en) | 2013-06-12 |
Family
ID=48559863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220644426 Withdrawn - After Issue CN202988664U (en) | 2012-11-30 | 2012-11-30 | Autorail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202988664U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935790A (en) * | 2012-11-30 | 2013-02-20 | 南车四方车辆有限公司 | Autorail |
| CN104129741A (en) * | 2014-07-03 | 2014-11-05 | 国家电网公司 | Vehicular elevated integrated platform device for electric power construction |
| CN113830709A (en) * | 2021-11-25 | 2021-12-24 | 徐州徐工随车起重机有限公司 | Double-rotation telescopic amplitude-variable lifting platform, leveling mechanism hydraulic system and control method |
-
2012
- 2012-11-30 CN CN 201220644426 patent/CN202988664U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935790A (en) * | 2012-11-30 | 2013-02-20 | 南车四方车辆有限公司 | Autorail |
| CN102935790B (en) * | 2012-11-30 | 2014-08-13 | 南车四方车辆有限公司 | Autorail |
| CN104129741A (en) * | 2014-07-03 | 2014-11-05 | 国家电网公司 | Vehicular elevated integrated platform device for electric power construction |
| CN104129741B (en) * | 2014-07-03 | 2016-08-24 | 国家电网公司 | A kind of vehicular power construction overhead comprehensive platform device |
| CN113830709A (en) * | 2021-11-25 | 2021-12-24 | 徐州徐工随车起重机有限公司 | Double-rotation telescopic amplitude-variable lifting platform, leveling mechanism hydraulic system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |