CN108313940B - All-terrain traveling light-duty operation vehicle - Google Patents
All-terrain traveling light-duty operation vehicle Download PDFInfo
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- CN108313940B CN108313940B CN201810255077.1A CN201810255077A CN108313940B CN 108313940 B CN108313940 B CN 108313940B CN 201810255077 A CN201810255077 A CN 201810255077A CN 108313940 B CN108313940 B CN 108313940B
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- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
- B60F1/04—Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on different axles
- B60F1/043—Vehicles comprising own propelling units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F2301/00—Retractable wheels
- B60F2301/12—Retractable wheels using transverse wheels, endless chains, or the like, i.e. rail wheels axes orthogonal to road wheel axes
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- Forklifts And Lifting Vehicles (AREA)
Abstract
An all-terrain traveling light-duty operation vehicle is characterized in that: the device comprises an operation platform assembly, a lifting arm assembly, a folding hydraulic support leg assembly, a hub tire assembly, a walking and driving assembly, a walking and steering mechanism, an electromagnetic brake assembly, a combined axle assembly and a rectangular chassis, wherein the lifting arm assembly is fixed on a rotating device on the chassis; the traveling and driving assembly and the traveling and steering mechanism are respectively arranged at the front end and the rear end of the chassis, and the driving assembly and the traveling and steering mechanism are respectively provided with an electromagnetic brake assembly; the construction efficiency is high, and the operation time is shortened; the device can adapt to various terrains, runs on all terrains and rotates 360 degrees; the platform is telescopic, large in area, full in function, heavy in load, strong in stability, full in configuration and large in lifting height; the safety and reliability are high, and the labor intensity is reduced.
Description
Technical Field
The invention relates to a working vehicle, in particular to an all-terrain traveling light working vehicle.
Background
The construction progress and the finished product protection of overhead line engineering, electric power engineering and communication engineering (hereinafter referred to as three-electric engineering) of railway four-electric engineering are always limited by short construction time of engineering construction units and railway bureaus under railway lines. Because the roadbed and the bridge are not continuously penetrated, the construction of the contact net foundation is lagged, and the three-electric engineering construction lacks an effective working surface; after the steel rail is locked, railway construction is managed according to engineering lines, the operation time is shorter, and the construction period is locked unchanged. The common practice of construction enterprises is to take measures of man-sea tactics and rail-mounted equipment increase, fight for second and rob time, squeeze construction period, and ensure that the construction period is realized as expected. The construction period is accompanied by the continuous emergence of the defects of the construction process and the increase of the safety risks, the defects are continuously overcome, the safety risks are eliminated to become the cursors of construction enterprises, and the whole construction process is repeated.
The upper operation of railway contact net construction is used to install the suspension around the parts on the contact net post, and the wire adjustment is expressed. In the conventional operation mode, the upper operation flow is as follows: the upper operation worker is to step on the pole on the line, the bracket base is installed, the rod insulator is installed, the bracket is installed, the four workers push the ladder truck, the hanging and bearing rope is installed, the contact line part is regulated by the lead, the pole upper worker has the risk of falling in the high altitude in the process, the labor intensity of the worker is high, and the labor intensity and the safety risk accompany the whole construction process.
Aiming at the current situations of aging construction personnel, low construction efficiency, frequent safety accidents and continuous safety risk of railway communication, electric power and upper operation site on a contact network, the multifunctional operation vehicle for all-terrain running is developed.
Disclosure of Invention
The invention aims to solve the problems of low construction efficiency, frequent safety accidents and accompanying safety risks of the current railway communication, electric power and upper operation sites on a contact network.
The technical scheme adopted by the invention is as follows: an all-terrain traveling light-duty operation vehicle is characterized in that: the device comprises an operation platform assembly, a lifting arm assembly, a folding hydraulic support leg assembly, a hub tire assembly, a walking and driving assembly, a walking and steering mechanism, an electromagnetic brake assembly, a combined axle assembly and a rectangular chassis, wherein the lifting arm assembly is fixed on a rotating device on the chassis; the walking and driving assembly and the walking and steering mechanism are respectively arranged at the front end and the rear end of the chassis, and the driving assembly and the walking and steering mechanism are respectively provided with an electromagnetic brake assembly.
Further, the operation platform component comprises a working platform, a hydraulic winch, an electric and air interface, a working platform control valve and an upright post; the upright post is welded with the working platform, and an upper hole and a lower hole on the upright post are respectively connected with a lifting upper arm balance rod and a lifting upper arm through a penetrating shaft; the hydraulic winch is arranged on the guard rail of the working platform, and the position of the hydraulic winch can be adjusted along the guard rail.
Furthermore, the electric and air interface and workbench control valve consists of an air source interface and switch, a 220v/380v power interface and leakage protector and a hydraulic multi-way reversing valve, the reversing valve controls the lifting, rotating and hoisting operation of the working platform, and the air source and power interface are provided with rain covers.
Further, the lifting arm assembly comprises a rotary arm, an upper arm, a lower arm, an upper arm balance rod, a vertical arm, an upper arm oil cylinder, a lower arm balance rod, a lower arm oil cylinder, a revolving body hydraulic motor and a revolving body; the revolving body is connected with a rotating device on the chassis, the revolving body is hard connected with the revolving arm, the revolving body hydraulic motor is started to drive the revolving arm to revolve, and the revolving arm drives the lower arm, the vertical arm and the upper arm so as to enable the working platform to revolve in an angle; the connecting parts of the rotary arm, the lower arm, the vertical arm, the upper arm and the mounting balance bar are embedded with self-lubricating shaft sleeves, and are assembled and fixed by corresponding through shafts according to the illustrated relation; an upper arm oil cylinder and a lower arm oil cylinder control valve on the workbench are operated, the upper arm and the lower arm move in the same direction along with the oil cylinder, and the upper arm is connected with a workbench upright post, so that the workbench is driven to lift; the upper arm balance rod and the lower arm balance rod are driven, and the workbench is automatically adjusted to keep a horizontal state all the time.
Further, the folding hydraulic support leg consists of a leg seat, a support leg, a telescopic leg, a support leg, an oil cylinder and a limit adjusting rod; the upper and lower holes of the leg seat are provided with shafts which are respectively hinged with the ear rings and the supporting legs of the cylinder body of the oil cylinder, and the leg seat is fixed at four corners of the vehicle; the telescopic legs are inserted into the supporting legs and fixed on corresponding hole sites of the supporting legs by limit adjusting rods, and the length of the telescopic legs is adjusted to be millimeter; the support legs are hinged with the ear seats at the end parts of the telescopic legs, and the ground flatness can be self-adapted.
Further, the hub tire assembly comprises a tire and a rail wheel, the profile line of the vertical section of the rail wheel is consistent with the profile of the cross section of a steel rail, the rail wheel is arranged on an output shaft of a traveling motor and a steering half shaft, the distribution circle of bolts at the end part of the rail wheel is identical with the distribution circle diameter of bolt holes of a steel ring of the tire, the solid tire is arranged when the tire is driven on a roadbed, and the tire can be driven on the railway through the rail wheel after being disassembled; the tire is a solid maintenance-free tire.
Further, the walking and driving assembly comprises an oil cylinder base, an oil cylinder, a supporting seat, a supporting arm, a motor seat, a motor, a shaft sleeve, a half shaft and a supporting locking rod, wherein the upper part of the oil cylinder base is hinged with the oil cylinder, and the bottom of the oil cylinder base is fixedly connected with the chassis; the middle part of the connecting plate is provided with a middle ear seat supporting arm which is hinged with the tail end of the supporting seat, the middle ear seat is hinged with the output tail end of the cylinder piston rod, the motor seat is fixedly connected with the lower end of the supporting arm, and a motor is arranged on the motor seat; the shaft sleeve is fixed on the motor seat through bolts; the multi-way reversing valve for controlling the traveling and driving assembly on the vehicle platform is started, the oil cylinder piston stretches out, the supporting arm rotates and falls down, the supporting locking rod is inserted into the corresponding hole site and falls into the clamping groove on the supporting seat, the motor is started, the forward and backward movement of the vehicle is realized, when the supporting arm is retracted, the supporting locking rod is pulled out, the reversing valve is started, the oil cylinder piston retracts, and the supporting arm is driven to rotate and retract.
Further, the walking steering mechanism comprises a steering cylinder, a hollow shaft, a connecting rod, a pull rod, a boss, a triangular arm half shaft assembly and a through nail, wherein the hollow shaft is welded with a supporting arm of the walking steering mechanism, the hollow shaft is welded with a cylinder fixing clamp according to the installation size of the steering cylinder in the radial vertical direction, the steering cylinder is fixed at the position, the boss is inlaid at the two ends of the hollow shaft, the triangular arm half shaft assembly is fixed at the boss through the through nail, one end of the connecting rod is arranged on the pull rod and can be rotated, the other end of the connecting rod is fixedly connected with the output end of a piston rod of the steering cylinder, the two ends of the pull rod are hinged with the triangular arm half shaft assembly, the triangular arm half shaft assembly is adjusted to be consistent with the axis of the hollow shaft, the piston rod of the steering cylinder is sleeved into a dust cover, the piston rod extends out of one half to the center line position, a nut at the joint of the piston rod nut and the connecting rod is locked, and the connecting rod is fixed; and starting a corresponding reversing valve on the vehicle platform, driving a piston rod of the steering oil cylinder to retract and extend, driving a connecting rod to drive a pull rod to move left and right along the axial direction, and enabling the triangular arm half-shaft assembly to do corner motion around the penetrating nail in the positive and negative directions, so that the steering of the vehicle is realized.
Further, the electromagnetic brake assembly comprises an L-shaped connecting rod, a brake cover, a brake and a rectangular electromagnet; one end of the L-shaped connecting rod is fixed on the driving assembly or the walking and steering mechanism and is locked by a locking screw, the other end of the L-shaped connecting rod is connected with a stopper cover earring and is locked by a nut, and the rectangular electromagnet is positioned in the stopper; according to the running working condition of the vehicle, when working on a railway, loosening three locking screws of the L-shaped connecting rod, after the brake naturally contacts with a steel rail, fixing the locking screws, and when parking, starting the electromagnetic brake to be in an electrified braking state; when the railway is not operated, the locking screw is loosened, the L-shaped connecting rod is rotated by 90 degrees, the locking screw is fixed, the vehicle runs on the railway, and the electromagnetic brake assembly is in a power-off state.
Further, the combined axle assembly comprises a first axle, a second axle, a third axle and an air bag jack; the first axle is paved between the steel rails, one end of the second axle is hinged with the first axle, the other end penetrating nail of the second axle is hinged with the end of the axle, the second axle can reversely rotate along the limiting block, the first axle, the second axle and the third axle are stressed, the two air bag jacks are inflated and lifted, the limiting block on the third axle is reversely rotated around the penetrating nail of the third axle to be pressed on the second axle, the third axle and the second axle form an integral axle, and the vehicle is lifted and lowered along the axle assembly.
The invention has the beneficial effects and characteristics that: (1) The construction efficiency is high, the operation time is shortened, and operators and auxiliary constructors are reduced; (2) The device can adapt to various terrains, runs on all terrains and rotates 360 degrees; (3) The platform is telescopic, large in area, full in function, heavy in load, strong in stability, full in configuration and large in lifting height; (4) The safety and reliability are high, and the history of high safety risk and high labor intensity of the railway three-electricity engineering construction is finished.
Drawings
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the work platform assembly of FIG. 1;
FIG. 3 is a schematic view of the construction of the lift arm assembly of FIG. 1;
FIG. 4 is a schematic illustration of the configuration of the folding hydraulic leg assembly of FIG. 1;
FIG. 5 is a schematic view of the folding hydraulic leg assembly of FIG. 1 when open;
FIG. 6 is a schematic illustration of the construction of the rail tire assembly of FIG. 1;
FIG. 7 is a schematic view of the walking and drive assembly of FIG. 1;
FIG. 8 is an enlarged schematic view of the support base assembly of FIG. 7;
FIG. 9 is a schematic view of the travel steering mechanism of FIG. 1
FIG. 10 is an enlarged schematic view of the triangle arm half shaft assembly of FIG. 9;
FIG. 11 is a schematic structural view of a lateral steering mechanism;
FIG. 12 is a schematic view of the electromagnetic brake assembly of FIG. 1;
FIG. 13 is a schematic illustration of the configuration of the combination axle assembly of FIG. 1;
FIG. 14 is a schematic structural view of an air bag jack associated with a combination axle assembly;
FIG. 15 is a schematic view of the running and driving assembly and running and steering mechanism of the embodiment of FIG. 1 in operation;
FIG. 16 is a schematic view of the embodiment of FIG. 1 in an operational condition of the subgrade (land) section and in an operational condition of the folding hydraulic leg assembly;
FIG. 17 is a hydraulic system diagram of the embodiment of FIG. 1;
reference numerals in the drawings denote: 1-working platform assembly, 11-working platform, 12-electric, air interface and working platform control valve, 13-upright post, 14-hydraulic hoist, 15-working platform guard rail, 2-lifting arm assembly, 21-rotating arm, 22-upper arm, 23-lower arm, 24-upper arm balance bar, 25-vertical arm, 26-upper arm cylinder, 27-lower arm balance bar, 28-lower arm cylinder, 29-revolving body hydraulic motor, 210-revolving body, 211-rotating device, 3-folding hydraulic leg assembly, 31-leg seat, 32-leg, 33-telescopic leg, 34-supporting leg, 35-limit adjusting rod, 36-cylinder, 4-hub tire assembly, 41-tire 42-steel ring 43-rail wheel 5-travel and drive assembly, 51-cylinder mount, 52-cylinder, 53-support mount, 54-support arm, 55-motor mount, 56-motor, 57-bushing, 58-half-shaft, 59-support lock lever, 510-clamping slot, 6-travel and steering mechanism, 61-steering cylinder, 62-hollow shaft, 63-connecting rod, 64-tie rod, 65-boss, 66-delta arm half-shaft assembly, 67-through pin, 7-electromagnetic brake assembly, 71-brake, 72-brake cover, 73-L-shaped connecting rod, 74-lock screw, 8-combination axle assembly, 81-first axle, 82-second axle, 83-third axle, 84-stopper, 85-airbag jack.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
general description (1)
The invention relates to an all-terrain traveling multifunctional operation vehicle which can travel on a newly built railway subgrade and an engineering line railway track and can travel on an operation line. The combined axle can be quickly paved at the railway and the road shoulder for 3 minutes, the operation vehicle can be quickly moved up and down the railway along the combined axle, and the vehicle can transversely move in special topography; the hydraulic lifting device specifically comprises an operation platform assembly 1, a lifting arm assembly 2, a folding hydraulic support leg assembly 3, a hub tire assembly 4, a walking and driving assembly 5, a walking and steering mechanism 6, an electromagnetic brake assembly 7, a combined axle assembly 8 and a rectangular chassis 9, wherein the lifting arm assembly 2 is fixed on a rotating device 211 on the chassis 9, the tail end of the lifting arm assembly 2 is provided with the operation platform assembly 1, the combined axle assembly 8 is loaded on two sides of the chassis 9, and the folding hydraulic support leg assembly 3 is fixed on four corner areas of the chassis 9; the walking and driving assembly 5 and the walking and steering mechanism 6 are respectively arranged at the front end and the rear end of the chassis 9, and the driving assembly 5 and the walking and steering mechanism 6 are respectively provided with an electromagnetic brake assembly 7;
(II) component description and illustrations
1. Work platform assembly
As shown in fig. 2, the working platform assembly comprises a working platform 11, a hydraulic winch, an electric and air interface, a working platform control valve 12 and a stand column 13; the upright post 13 is welded with the working platform 11, and the upper and lower holes on the upright post are respectively connected with the lifting upper arm balance rod and the lifting upper arm through shafts. The hydraulic hoist 14 is mounted on a work platform rail 15, and is adjustable in position along the rail 15. The electric and air interface and working table control valve consists of an air source interface and switch, a 220v/380v power interface and leakage protector, and a hydraulic multi-way reversing valve, wherein the reversing valve controls the lifting, turning and hoisting operation of the working platform, and the air source and power interface are provided with rain-proof covers.
2. Lifting arm assembly
As shown in fig. 3, the lifting arm assembly 2 comprises a rotary arm 21, an upper arm 22, a lower arm 23, an upper arm balance bar 24, a vertical arm 25, an upper arm cylinder 26, a lower arm balance bar 27, a lower arm cylinder 28, a revolving body hydraulic motor 29 and a revolving body 210; the revolving body 210 is connected with a rotating device on the chassis, the revolving body 210 is hard connected with the revolving arm 21, the revolving body hydraulic motor 29 is started to drive the revolving arm to revolve, and the revolving arm drives the lower arm 23, the vertical arm 25 and the upper arm 22 so as to enable the working platform to revolve for 360 degrees; the joints of the rotary arm 21, the lower arm 23, the vertical arm 25 and the upper arm 22 and the joints where the balance bar is arranged are embedded with self-lubricating shaft sleeves which are assembled and fixed by corresponding through shafts according to the illustrated relation; an upper arm oil cylinder and a lower arm oil cylinder control valve on the workbench are operated, the upper arm and the lower arm move in the same direction along with the oil cylinder, and the upper arm is connected with a workbench upright post, so that the workbench is driven to lift; the upper arm balance bar 24 and the lower arm balance bar 27 are driven, and the workbench is automatically adjusted to keep a horizontal state all the time.
3. Folding hydraulic support leg assembly
As shown in fig. 4, the folding hydraulic support leg 3 consists of a leg seat 31, a support leg 32, a telescopic leg 33, a support leg 34, an oil cylinder 36 and a limit adjusting rod 35; FIG. 4 is a retracted state, and FIG. 5 is a post-drop operational state; the upper and lower holes of the leg seat 31 are provided with shafts which are respectively hinged with the ear rings of the cylinder body 36 and the supporting legs 32, and the leg seat 31 is fixed at four corners of the vehicle; the telescopic legs 33 are inserted into the supporting legs 32 and fixed on corresponding hole sites of the supporting legs 32 by limit adjusting rods 35, and the adjusting length is 500 mm. The stand bar 34 is hinged with the ear seat at the end part of the telescopic leg 33, so that the ground flatness can be self-adapted.
The left two oil ways and the right two oil ways of the folding hydraulic support leg (see the hydraulic system figure 17) respectively control the action of the left support leg and the right support leg.
4. Rail wheel tire assembly
As shown in fig. 6, the hub tire assembly 4 comprises a tire 41 and a rail wheel 42, wherein the profile line of the vertical section of the rail wheel 41 is consistent with the profile of the cross section of a steel rail, the rail wheel 41 is arranged on an output shaft and a steering half shaft of a traveling motor, the distribution circle of 46 bolts at the end part of the rail wheel is identical with the distribution circle diameter of 6 bolt holes of a steel ring of the tire 41, the solid tire 41 is arranged when the tire is driven on a roadbed, and the tire 41 can be driven on the railway through the rail wheel 42 after being detached; the tire 41 is a solid maintenance-free tire with high bearing capacity and reliable stability.
5. Walking and driving assembly
Referring to fig. 7, the walking and driving assembly 5 comprises an oil cylinder base 51, an oil cylinder 52, a supporting seat 53, a supporting arm 54, a motor seat 55, a motor 56, a shaft sleeve 57, a half shaft 58 and a supporting locking rod 59, wherein the upper part of the oil cylinder base 51 is hinged with the oil cylinder 52, and the bottom of the oil cylinder base 51 is fixedly connected with the chassis 9; the left and right support arms 54 are respectively provided with a connecting plate 541 between the left and right support arms 54, the middle part of the connecting plate 541 is provided with a middle lug 542, the support arms 54 are hinged with the tail ends of the support seats 53, and the middle lug 542 is hinged with the output tail ends of the cylinder piston rods. The motor seat 55 is fixedly connected with the lower end of the supporting arm 54, and a motor 56 is arranged on the motor seat 55; the sleeve 57 is fixed to the motor base 55 by an M10 bolt. All the rotary hinges are inlaid with self-lubricating shaft sleeves.
The multi-way reversing valve for controlling the traveling and driving assembly on the vehicle platform is started, the piston of the oil cylinder 52 extends, the supporting arm 54 rotates and falls down, the supporting locking rod 59 is inserted into the corresponding hole site and falls into the clamping groove 510 on the supporting seat 53, the motor 56 is started, the vehicle is driven to advance and retreat, and when the supporting arm is retracted, the supporting locking rod 59 is pulled out, the reversing valve is started, the piston of the oil cylinder 52 retracts, and the supporting arm 54 is driven to rotate and retract. The oil cylinder is kept in a pressure stabilizing state, the load of the oil cylinder during running of the vehicle is reduced, and meanwhile, the stability of the vehicle during running is improved.
6. Walking steering mechanism
As shown in fig. 9, the walking steering mechanism 6 includes a steering cylinder 61, a hollow shaft 62, a connecting rod 63, a pull rod 64, a boss 65, a triangle arm half shaft assembly 66 and a through nail 67, the hollow shaft 62 is welded with a supporting arm of the walking steering mechanism, the hollow shaft 62 is welded with a cylinder fixing clip according to the installation size of the steering cylinder 61 in the radial vertical direction, the steering cylinder 61 is fixed at the position, the boss 65 is inlaid at the two ends of the hollow shaft 62, the triangle arm half shaft assembly 66 is fixed at the boss 65 by the through nail 67, one end of the connecting rod 63 is installed on the pull rod 64 and is kept rotatable, the other end is fixedly connected with the output end of a piston rod of the steering cylinder 61, the two ends of the pull rod 64 are hinged with the triangle arm half shaft assembly 66, the triangle arm half shaft assembly 66 is adjusted to be consistent with the axis of the hollow shaft 2, the piston rod of the steering cylinder 61 is sleeved into a dust cover, the piston rod extends out half of the center line position, and a nut at the junction of the piston rod and the connecting rod is locked with the pull rod, and the connecting rod is fixed; the corresponding reversing valve on the vehicle platform is started, the piston rod of the steering cylinder 61 is driven to retract and extend, the connecting rod 63 is driven to further drive the pull rod 64 to move left and right along the axial direction, and the triangular arm half shaft assembly 66 rotates around the penetrating nail 67 in the forward and reverse directions, so that the steering of the vehicle is realized. The lateral running steering mechanism is consistent with the principle of the upper diagram, and has the structural difference that the damper block 1 is placed at 4 fixing bolts at the top of the shaft seat, the four bolts are fixed with corresponding holes of the chassis of the vehicle, threaded holes at the end part of the boss shaft are consistent with threaded holes at the end part of the steering cylinder, the steering cylinder is screwed into the boss shaft threaded holes, the boss shaft is locked by locking nuts, the boss shaft is placed at the position of the shaft seat, and the shaft seat cover is connected and fixed with the shaft seat by 4 bolts.
7. Electromagnetic brake assembly
As shown in fig. 12, the electromagnetic brake assembly includes an L-shaped connecting rod 73, a brake cover 72, a brake 71, and a rectangular electromagnet; one end of an L-shaped connecting rod 73 is fixed on the driving assembly 5 or the walking and steering mechanism 6 and is locked by a locking screw 74, the other end of the L-shaped connecting rod is connected with an earring of a brake cover 72 and is locked by a nut, a rectangular electromagnet is positioned in the brake 71, epoxy resin is used for filling water-proof treatment, and 16M 6 screws are used for connecting and fixing the brake and the brake cover; according to the running condition of the vehicle, when working on a railway, three locking screws of an L-shaped connecting rod 73 are loosened 74, after a brake 71 is naturally contacted with a steel rail, the locking screws 74 are fixed, and when parking, an electromagnetic brake is started to be in an electrified braking state; when the railway vehicle is not in operation, the locking screw 74 is loosened, the L-shaped connecting rod 73 is rotated by 90 degrees, the locking screw is fixed, the railway vehicle runs on the railway, and the electromagnetic brake assembly is in a power-off state and always keeps in sliding contact with the rail.
8. Combined axle assembly
As shown in fig. 13 and 14, the combined axle assembly provides convenience for the lateral up-and-down of the working vehicle, and comprises an axle 81, an axle 82, an axle 83 and an air bag jack; the first axle 81 is paved between the steel rails, one end of the second axle 82 is hinged with the first axle 81, U holes at the end parts of the third axle 83 and a U-shaped limiting block 84 can be self-adaptive to terrain, a penetrating nail at the other end part of the second axle 82 is hinged with the end part of the axle 3, the limiting block 84 can reversely rotate, the vehicle side moves upwards and downwards, the first axle 81, the second axle 82 and the third axle 83 are stressed, two air bag jacks 85 are inflated and adjusted to be 70 cm at the maximum, the limiting block on the third axle 83 is reversely rotated around the penetrating nail of the third axle 83 to be pressed on the second axle 82, the third axle 83 and the second axle 82 form an integral bridge, and the vehicle moves upwards and downwards along an axle assembly railway.
(III) characteristics:
1. the working vehicle has the advantages of small volume, light weight, large bearing capacity, reliable stability, stable operation, short working preparation time, quick up-and-down railway and suitability for all terrains.
Vehicle parameters:
body dimensions: length X width X height 3850X1950X2100.
The mass of the whole vehicle is as follows: 1800Kg
Vehicle dynamics: 24 horsepower of diesel engine
Vehicle driving method: double hydraulic motor
And (3) running of the vehicle: tyre/rail wheel
2. The vehicle runs on the track, the rail wheel is put down to be in contact with the steel rail through hydraulic drive, the side of the rail wheel is jacked up to be lifted up to about 10 centimeters of the rail surface, the rail wheel supporting arm and the supporting seat are locked by the locking rod, and the rail wheel hydraulic motor is started to drive the rail wheel to run. On the roadbed, the hydraulic motor of the rail wheel is started to drive the rail wheel to drive the tire to run on the ground
3. And the combined vehicle bridge configured along with the vehicle is paved with the avoidance function of the train on the business line, the hydraulic motors with the side up and down channels are started, and the vehicle moves down the railway along the vehicle bridge to the safety position of the roadbed. The track on the roadbed and the track on and off the roadbed are easy and free, such as track leveling.
4. The working platform is telescopic, large in area, full in function and heavy in load, and the lifting height can meet the installation requirement of the overhead contact system lifting column in the tunnel. Two pulleys are arranged on two sides of the upper part of the guardrail of the operation platform, and the parts to be installed are quickly lifted to the position conforming to the human mechanics by utilizing a winch, so that operators can easily operate the guardrail. The self-locking function of the working platform is realized through the hydraulic system during working, and the hydraulic system breaks down to release pressure manually so as to lower the working platform. The platform can run on the vehicle side after descending. The platform guardrail is provided with a 380V/220V power interface/air source interface/vehicle driving and workbench control valve, so that the requirements of construction electricity/illumination/gas consumption are met. The potential safety hazard of overlong power line and air pipe is eliminated.
Work platform parameters
Size: width X length 800X1200/1700.
Load: 300Kg
Radius of gyration: a length of 2800 mm,
radius of gyration limit 3900 mm
5. The lifting arm is of a folding arm type structure, can effectively avoid obstacles, and lifts the workbench to a required position to a lifting height of 7500 mm without dead angles.
6. The vehicle equipment is complete in configuration, the diesel generator set is used for providing power for a hydraulic source, construction illumination and air compressor power consumption, and the on-vehicle equipment is as follows:
(1) Permanent magnet 990X1 12Kg.f of air compressor
(2) 800Kg hydraulic motor winch with maximum lifting speed of 10m/min
(3) Pneumatic torque wrench
7. Vehicle operation stability. Corresponding supporting legs are used in different terrains, hydraulic crank arms with adjustable lengths are used in roadbed sections, the supporting legs can be quickly retracted and released through one-key operation, the complex structure and operation preparation time of the L-shaped telescopic supporting legs are eliminated, and as shown in fig. 16, the electromagnetic brake fixing bolts are loosened and rotated to be locked with the ground vertically. When the rail is operated, 4 electromagnetic brakes are arranged on the rail shaft, the electromagnetic brakes are retracted and put down along with the rail wheel, when the electromagnetic brakes are in a power-off state, the rail wheel rotates to operate the vehicle, and when the workbench works, the electromagnetic brakes are started to be adsorbed with the steel rail into a whole, as shown in fig. 16, the parking and braking of the vehicle are realized. When the vehicle moves, the working platform is lowered, the electromagnetic brake is closed, and the vehicle can be operated to move. When the wind power reaches more than 4 levels in the track curve section operation, the hydraulic crank leg support is started at the same time, as shown in fig. 16.
8. The vehicle and the workbench are controlled. The workbench, the lifting arm, the vehicle running and steering and rail wheel support rotating and retracting are all controlled by adopting hydraulic pressure, a hydraulic source is arranged at the position of a vehicle platform to provide power for the vehicle running and actuating mechanism, the vehicle running, direction control and folding hydraulic support legs are controlled by a multi-way reversing valve (II) arranged on the platform, and the workbench is lifted, rotated and hoisted by a multi-way reversing valve (I) arranged on the workbench, and the hydraulic lifting and steering device is particularly shown in fig. 17.
9. The vehicle side is up and down. The method comprises the steps of stopping a vehicle at a proper position of a road shoulder, operating hydraulic supporting legs, jacking a vehicle body, paving a combined axle according to a lateral wheel distance, locking the combined axle by a U-shaped locking rod, keeping a natural state adapting to a terrain gradient, starting an air bag to jack the combined axle by switching on an air source, starting the vehicle to laterally travel to a track position after safety is ensured, dropping a rail wheel supporting frame, jacking 4 lateral traveling wheels after the rail wheel supporting frame and the steel rail position are adjusted, locking the rail wheel supporting frame and a supporting seat by the locking rod, moving the vehicle, and retracting the combined axle and the air bag roof.
(IV) advantageous effects
The technical characteristics are as follows:
1. small length X width X height 3850X1950X2100.
2. Light weight of the whole vehicle: 1800Kg
3. All-terrain traveling, 360-degree rotation, auxiliary side upward and downward, rapid avoidance of the rail-mounted vehicle, and control of the vehicle and the workbench are respectively as follows:
vehicle lateral driving as drive-by-wire
The vehicle runs on the roadbed as follows: the manual double-way control can be controlled on a vehicle platform or a working platform.
4. The configuration is complete, and any operation in railway overhead contact systems, electric power, communication high altitude and tunnels can be met.
6. The vehicle personnel are configured as two operators, an auxiliary operator, and 2-3 operators form a contact network upper operation team according to the construction period arrangement.
7. Thoroughly solves the safety accident of side turning of the ladder car.
5. The running speed is moderate, and the maximum running speed is 15 km/h.
8. The vehicle should be hung with an unpowered transport flat car to load railway equipment and synchronously run along with the operation car.
5. Economic benefit and social effect comparison analysis:
1. economic benefit comparative analysis
And only aiming at the upper operation of the contact network, the construction of 40 positive line kilometer intervals is completed, and the direct labor cost required by the process engineering quantity with strong comparability is analyzed and compared.
List one direct manual fee list for completing the following engineering quantity by manual construction of ladder truck
Description: 1. work day = principal person quota X work time quota X number of works
2. Auxiliary working day means working time of common workers which are necessary for auxiliary working personnel to complete construction in cooperation with main personnel
3. Work personnel wage in the labor cost is 350 yuan, and common work wage is 150 yuan.
Meter two is used light-duty all terrain to travel the light-duty work vehicle to accomplish the following engineering quantity's direct manual fee table
Description: 1. work day = principal person quota X work time quota X number of works
2. Auxiliary working day means working time of common workers which are necessary for auxiliary working personnel to complete construction in cooperation with main personnel
3. Work personnel wage in the labor cost is 350 yuan, and common work wage is 150 yuan.
Through the calculation analysis of the first table and the second table, after the light all-terrain traveling light working vehicle is adopted for working, the labor intensity of operators is thoroughly reduced, the time for the operators to climb and descend is eliminated, parts are all hoisted to the optimal position for working by a hydraulic motor winch, the shoulder resistance pulling action of the operators is eliminated, the auxiliary operators for pushing the ladder truck by a working team are eliminated, the working time is reduced from 427.5 working days to 220 working days, the preparation working day is reduced from 1372.5 to 108.75, the direct labor cost is reduced from 355500 yuan to 93312.5 yuan, and the direct labor cost expenditure is reduced by 72.7%. The biggest change is that after the highway and railway dual-purpose working vehicle is used for working, the time for climbing and descending a pole and walking by personnel is eliminated, so that the working time is increased, the working efficiency is improved, the number of production auxiliary personnel is reduced, and the working time for preparing the working is shortened.
2. Social effect contrast analysis
The manual construction of the ladder truck is utilized, the potential safety hazard of side turning of the ladder truck can not be eliminated all the time, unsafe factors of people can not be eliminated all the time, and the labor intensity of climbing operation can not be reduced all the time. After the light all-terrain traveling operation vehicle is introduced into the upper operation of the contact net, the potential safety hazard of side turning of the ladder vehicle is thoroughly eliminated, the unsafe factors of auxiliary personnel and people are reduced to the minimum, the labor intensity of climbing operation is eliminated, and the operation efficiency is improved. After the technology is popularized, the state of aging of railway contact net, electric power, communication construction high strength, heavy physical force and constructors is thoroughly ended, and the railway four-electric construction is converted from a labor-intensive mode to a technology-intensive industrial mode mainly comprising mechanization.
The foregoing has shown and described the basic principles and features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the structural relationships and principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An all-terrain traveling light-duty operation vehicle is characterized in that: the hydraulic lifting device comprises an operation platform assembly (1), a lifting arm assembly (2), a folding hydraulic support leg assembly (3), a hub tire assembly (4), a walking and driving assembly (5), a walking and steering mechanism (6), an electromagnetic brake assembly (7), a combined axle assembly (8) and a rectangular chassis (9), wherein the lifting arm assembly (2) is fixed on a rotating device (211) on the chassis (9), the operation platform assembly (1) is arranged at the tail end of the lifting arm assembly (2), the combined axle assembly (8) is loaded on two sides of the chassis (9), and the folding hydraulic support leg assembly (3) is fixed on four corner areas of the chassis (9); the walking and driving assembly (5) and the walking and steering mechanism (6) are respectively arranged at the front end and the rear end of the chassis (9), and the walking and driving assembly (5) and the walking and steering mechanism (6) are respectively provided with an electromagnetic brake assembly (7); the combined axle assembly (8) comprises a first axle (81), a second axle (82), a third axle (83) and an air bag jack; the folding hydraulic support leg assembly (3) is composed of a leg seat (31), a supporting leg (32), a telescopic leg (33), a supporting leg (34), an oil cylinder (36) and a limit adjusting rod (35); the upper and lower holes of the leg seat (31) are provided with shafts which are respectively hinged with the earrings of the cylinder body of the oil cylinder (36) and the supporting legs (32), and the leg seat (31) is fixed at four corners of the vehicle; the telescopic legs (33) are inserted into the supporting legs (32) and fixed on corresponding hole sites of the supporting legs (32) by limit adjusting rods (35), and the adjusting length is 500 mm; the support legs (34) are hinged with the ear seats at the end parts of the telescopic legs (33), so that the ground flatness can be self-adapted;
the walking steering mechanism (6) comprises a steering oil cylinder (61), a hollow shaft (62), a connecting rod (63), a pull rod (64), a boss (65), a triangle arm half shaft assembly (66) and a penetrating nail (67); the hollow shaft (62) is welded with a supporting arm of the walking steering mechanism, the hollow shaft (62) is welded with a cylinder fixing clamp according to the installation size of the steering cylinder (61) in the radial vertical direction, the steering cylinder (61) is fixed at the position, two ends of the hollow shaft (62) are inlaid in bosses (65), a triangular arm half shaft assembly (66) is fixed at the bosses (65) by using penetrating nails (67), one end of a connecting rod (63) is arranged on the connecting rod (64) and is kept rotatable, the other end of the connecting rod is fixedly connected with the output end of a piston rod of the steering cylinder (61), two ends of the connecting rod (64) are hinged with the triangular arm half shaft assembly (66), the piston rod of the steering cylinder (61) is sleeved into a dust cover, one half of the piston rod extends to the center line position, a nut of the piston rod is locked, and the connecting rod is connected with the nut of the connecting rod, and the connecting rod is fixed; starting a corresponding reversing valve on a vehicle platform, driving a piston rod of a steering oil cylinder (61) to retract and extend, driving a connecting rod (63) to further drive a pull rod (64) to move left and right along the axial direction, and enabling a triangular arm half shaft assembly (66) to do forward and reverse rotation angle movement around a penetrating nail (67), so that the vehicle steering is realized; the electromagnetic brake assembly comprises an L-shaped connecting rod (73), a brake cover (72), a brake (71) and a rectangular electromagnet; one end of an L-shaped connecting rod (73) is fixed on the driving assembly (5) or the walking and steering mechanism (6) and is locked by a locking screw (74), the other end of the L-shaped connecting rod is connected with an earring of a brake cover (72) and is locked by a nut, and a rectangular electromagnet is positioned in the brake (71); according to the running working condition of the vehicle, when working on a railway, three locking screws (74) of an L-shaped connecting rod (73) are loosened, after a brake (71) is naturally contacted with a steel rail, the locking screws (74) are fixed, and when parking, an electromagnetic brake is started to be in an electrified braking state; when the railway is not operated, the locking screw (74) is loosened, the L-shaped connecting rod (73) is rotated by 90 degrees, the locking screw is fixed, the vehicle runs on the railway, and the electromagnetic brake assembly is in a power-off state.
2. The all-terrain traveling light duty vehicle of claim 1, wherein: the working platform assembly (1) comprises a working platform (11), a hydraulic winch, an electric and air interface, a working platform control valve (12) and an upright post (13); the upright post (13) is welded with the working platform (11), and an upper hole and a lower hole on the upright post are respectively connected with a lifting upper arm balance rod and a lifting upper arm through a shaft; the hydraulic winch is arranged on the guard rail of the working platform, and the position of the hydraulic winch can be adjusted along the guard rail.
3. The all-terrain traveling light duty vehicle of claim 2, wherein: the electric and air interface and workbench control valve (12) consists of an air source interface and switch, a 220v/380v power interface and leakage protector and a hydraulic multi-way reversing valve, wherein the reversing valve controls the lifting, rotating and hoisting operation of a working platform, and the air source and power interface are provided with rain covers.
4. The all-terrain traveling light duty vehicle of claim 1, wherein: the lifting arm assembly (2) comprises a rotary arm (21), an upper arm (22), a lower arm (23), an upper arm balance rod (24), a vertical arm (25), an upper arm oil cylinder (26), a lower arm balance rod (27), a lower arm oil cylinder (28), a rotary body hydraulic motor (29) and a rotary body (210); the revolving body (210) is connected with a rotating device on the chassis, the revolving body (210) is hard connected with the revolving arm (21), the revolving body hydraulic motor (29) is started to drive the revolving arm to revolve, and the revolving arm drives the lower arm (23), the vertical arm (25) and the upper arm (22) so as to enable the working platform to revolve for 360 degrees; the joints of the rotary arm (21), the lower arm (23), the vertical arm (25), the upper arm (22) and the positions where the balance bar is arranged are embedded with self-lubricating shaft sleeves which are assembled and fixed by corresponding through shafts; an upper arm oil cylinder and a lower arm oil cylinder control valve on the workbench are operated, the upper arm and the lower arm move in the same direction along with the oil cylinder, and the upper arm is connected with a workbench upright post, so that the workbench is driven to lift; the upper arm balance bar (24) and the lower arm balance bar (27) are driven, and the workbench is automatically adjusted to keep a horizontal state all the time.
5. The all-terrain traveling light duty vehicle of claim 1, wherein: the hub tire assembly (4) comprises a tire (41) and a rail wheel (42), wherein the profile line of the vertical section of the rail wheel (42) is consistent with the profile of the cross section of a steel rail, the rail wheel (42) is arranged on an output shaft and a steering half shaft of a running motor, the distribution circle of bolts at the end part (46) of the rail wheel is the same as the distribution circle diameter of 6 bolt holes of a steel ring of the tire (41), the solid tire (41) is arranged when the tire runs on a roadbed, and the tire (41) can be removed and then the tire can run on the railway through the rail wheel (42); the tire (41) is a solid maintenance-free tire.
6. The all-terrain traveling light duty vehicle of claim 1, wherein: the walking and driving assembly (5) comprises an oil cylinder base (51), an oil cylinder (52), a supporting seat (53), a supporting arm (54), a motor seat (55), a motor (56), a shaft sleeve (57), a half shaft (58) and a supporting locking rod (59), wherein the upper part of the oil cylinder base (51) is hinged with the oil cylinder (52), and the bottom of the oil cylinder base (51) is fixedly connected with the chassis (9); a connecting plate (541) is arranged between the left support arm (54) and the right support arm (54), a middle lug seat (542) is arranged in the middle of the connecting plate (541), the support arm (54) is hinged with the tail end of the support seat (53), the middle lug seat (542) is hinged with the output tail end of a cylinder piston rod, a motor seat (55) is fixedly connected with the lower end of the support arm (54), a motor (56) is arranged on the motor seat (55), and a shaft sleeve (57) is fixed on the motor seat (55) by an M10 bolt; the multi-way reversing valve for controlling the traveling and driving assembly on the vehicle platform is started, the piston of the oil cylinder (52) stretches out, the supporting arm (54) rotates to fall, the supporting locking rod (59) is inserted into a corresponding hole site and falls into a clamping groove (510) on the supporting seat (53), the motor (56) is started, the vehicle is enabled to advance and retreat, when the supporting arm is retracted, the supporting locking rod (59) is pulled out, the reversing valve is started, the piston of the oil cylinder (52) retracts, and the supporting arm (54) is driven to rotate and retract.
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| CN109160464B (en) * | 2018-10-30 | 2020-05-12 | 马鞍山纽盟知识产权管理服务有限公司 | High-altitude operation car with protective air bag |
| CN109398006B (en) * | 2018-11-29 | 2023-12-26 | 襄阳城雷机电工程有限公司 | Railway bogie driving system |
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| CN110500031A (en) * | 2019-09-04 | 2019-11-26 | 湖南创远矿山机械有限责任公司 | Rail wheel lifter and wheel churn |
| CN111422014A (en) * | 2020-04-17 | 2020-07-17 | 中铁建电气化局集团南方工程有限公司 | Highway-railway dual-purpose high-voltage cable paying-off operation vehicle and operation method thereof |
| CN111645570B (en) * | 2020-06-09 | 2024-06-04 | 北京卓维堂科技有限公司 | Multifunctional track traffic contact net ladder car |
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| CN113202547B (en) * | 2021-05-17 | 2022-02-15 | 中南大学 | Underground automatic adjustable safety protection vehicle and use method thereof |
| CN114589811A (en) * | 2022-02-18 | 2022-06-07 | 廊坊凯博建设机械科技有限公司 | Material distribution equipment and operation method thereof |
| CN115056854B (en) * | 2022-07-01 | 2023-09-05 | 吉林大学 | Pull type engineering machinery chassis |
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