CN116443787A - Railway electrification construction ladder car capable of leveling - Google Patents
Railway electrification construction ladder car capable of leveling Download PDFInfo
- Publication number
- CN116443787A CN116443787A CN202310577033.1A CN202310577033A CN116443787A CN 116443787 A CN116443787 A CN 116443787A CN 202310577033 A CN202310577033 A CN 202310577033A CN 116443787 A CN116443787 A CN 116443787A
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- sliding
- fixed
- base
- operation platform
- groove
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000000872 buffer Substances 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
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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
- B66F13/00—Common constructional features or accessories
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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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention relates to a leveling railway electrification construction ladder vehicle which comprises a vehicle base, a rail grabbing device arranged below the vehicle base and an operation platform arranged above the vehicle base, wherein the operation platform is connected with the vehicle base through an air cylinder, a groove is embedded in the side surface of the operation platform, and a buffer rod is arranged in the groove in a sliding mode.
Description
Technical Field
The invention relates to the technical field of railway ladders, in particular to a railway electrification construction ladder capable of being leveled.
Background
The overhead contact system is a high-voltage power transmission line which is erected along the upper part of a steel rail in a zigzag manner and is used for a pantograph to take current, and the ladder car is an indispensable auxiliary tool in daily maintenance and overhaul of the overhead contact system and is formed by combining an aluminum alloy scaffold at the bottom and the upper part of the overhead contact system and throwing frames at two sides of the overhead contact system.
The ladder car can not avoid having the relatively poor problem of stability because of the higher ratio that sets up, though prior art realizes the ladder car through grabbing rail ware and is connected with the rail, but the rail has the problem that both sides height is uneven in crooked part, and the ladder car also can break away from the rail and directly use sometimes, through retrieving, current patent mostly improves grabbing rail ware, like chinese patent a prevent turning on one's side device (grant bulletin number is CN 211995564U) and chinese patent a car ladder (grant bulletin number CN 104612580B) that is used for electrified railway contact net to overhaul, all relate to grab rail structure improvement and prevent empting ability.
With respect to the prior art, the inventor considers that the firmness of connection between the bottom of the ladder car and the rail can be effectively improved by improving the rail grabbing device, but the inventor does not search for the related improvement of self protection when the ladder car is overturned, so that when the ladder car is overturned accidentally, personnel safety can be directly influenced when an operator on an operating platform falls from a high place, and therefore, the railway electrification construction ladder car still needs to be technically improved and has a high quality.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a leveling railway electrification construction ladder vehicle, which comprises a vehicle base, a rail grabbing device arranged below the vehicle base and an operation platform arranged above the vehicle base, wherein the operation platform is connected with the vehicle base through a cylinder, a groove is embedded in the side surface of the operation platform, a buffer rod is arranged in the groove in a sliding manner, one end of the buffer rod is connected with a first spring with the inner end of the groove, the other end of the buffer rod is fixedly provided with a buffer plate, and a pressure relief pipe is connected between the groove and a cylinder barrel of the cylinder;
the bottom of the operation platform is provided with a pressure release control mechanism, the pressure release control mechanism comprises a horizontal sliding rail fixed at the bottom of the operation platform, a trigger sliding block is arranged in the horizontal sliding rail in a sliding manner, the trigger sliding block and the inner side of the horizontal sliding rail are connected with a second spring, the outer side of the horizontal sliding rail is fixedly provided with a pneumatic switch, and the pneumatic switch is arranged on the pressure release pipe;
the surface sliding of car base is equipped with the counter weight base, and is equipped with on the car base and drives the gliding actuating mechanism of counter weight base, the upper end of cylinder with operating platform's bottom slidable mounting, and operating platform with be fixed with scalable connecting element between the counter weight base.
Preferably, the number of the grooves is two, the two grooves are symmetrically arranged on two sides of the operation platform, and the bottom of each groove is provided with a pressure relief hole in a penetrating mode.
Preferably, the buffer rod comprises a first sliding rod with one end in sliding connection with the groove and a second sliding rod in sliding connection with the first sliding rod, a third spring is connected between the second sliding rod and the first sliding rod, and the buffer plate is fixedly connected with the second sliding rod.
Preferably, the driving mechanism comprises a fixed sliding rail fixed on the vehicle base, the counterweight base is in sliding connection with the fixed sliding rail, the fixed sliding rail is rotationally provided with a screw rod, the screw rod is in threaded connection with the counterweight base, one end of the fixed sliding rail is fixedly provided with a stepping motor, an output shaft of the stepping motor is fixedly connected with one end of the screw rod, a stepping motor switch is arranged on the outer side of the horizontal sliding rail, and the stepping motor switch is electrically connected with the stepping motor.
Preferably, a one-way valve is connected between the pneumatic switch and the groove.
Preferably, the telescopic connecting member comprises a fixed rod with one end fixed with the operating platform, the fixed rod is sleeved with a sliding rod in a sliding manner, and the lower end of the sliding rod is fixedly connected with the counterweight base.
Preferably, the upper end of the cylinder is fixed with a T-shaped sliding block, a T-shaped sliding groove is embedded in the bottom of the operating platform, and the T-shaped sliding block is in sliding connection with the T-shaped sliding groove.
Preferably, the operation platform is provided with guardrails around, and one side of each guardrail is rotatably provided with a guardrail door.
Preferably, a supporting plate opposite to the sliding direction of the counterweight base is arranged in the car base, a first rack is fixed on the supporting plate, a gear is rotatably arranged in the car base, a second rack is fixed on the counterweight base, the second rack is meshed with the upper side of the gear, and the first rack is meshed with the lower side of the gear.
Preferably, the embedded spout that is equipped with both ends open-ended in the car base, backup pad slidable mounting is in the spout, the lower extreme of counter weight base is fixed with the connecting block, connecting block and second rack fixed connection, connecting block and fixed slide rail sliding connection and with screw rod threaded connection, the lower extreme of connecting block runs through to in the spout.
The technical scheme adopted for solving the technical problems is as follows:
the beneficial effects of the invention are as follows:
1. when the ladder truck tilts to a certain degree, the sliding block is triggered to slide in the horizontal sliding rail and extrude the pneumatic switch, after the pneumatic switch is pressed, under the pressure action of the operation platform, the air in the cylinder barrel of the air cylinder is rapidly discharged through the pressure release pipe and enters the groove, so that the buffer plate extends out of the side face of the operation platform to play a role of protection, and because the air in the air cylinder is discharged, the air cylinder is automatically shortened, the gravity center of the ladder truck is reduced, the stability of the ladder truck is improved, and because the air cylinder is shortened, the height of the operation platform is reduced, and the risk of construction at the high position of an operator is reduced as much as possible;
2. when the ladder car is seriously inclined, the sliding block is triggered to slide in the horizontal sliding rail and extrude the stepping motor switch, so that the circuit of the stepping motor is connected and works, the output shaft of the stepping motor drives the screw to rotate when rotating, the counterweight base is driven to slide to the side far away from the dumping side of the ladder car when the screw rotates, the weight of the ladder car at the side far away from the dumping side is increased, the balance of the ladder car is regulated by regulating the gravity center, and the stability of the ladder car is improved;
3. a telescopic connecting member is fixed between the operating platform and the counterweight base, when the ladder truck is inclined towards one side, the counterweight base slides towards the inclined other side under the action of the driving mechanism, and the operating platform is driven to move together through the telescopic connecting member when the counterweight base slides towards the other side, so that the operating platform can be far away from the ground as far as possible when the ladder truck is inclined, and hard objects on the ground are prevented from being impacted;
4. the support plate is arranged in the trolley base of the ladder trolley in a sliding way, when the ladder trolley inclines towards one side, the counterweight base can be driven to move towards the opposite direction under the action of the driving mechanism, the second rack drives the gear to rotate when the counterweight base moves, the gear rotates to drive the first rack to slide, the support plate is driven to extend towards one inclined side of the ladder trolley through the sliding of the first rack, the inclined side of the ladder trolley is supported, and further the ladder trolley is prevented from falling over on the ground.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall construction of a preferred embodiment of a leveled railway electrification construction ladder truck provided by the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of another embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
fig. 5 is an enlarged schematic view of the structure of fig. 1 at B according to the present invention.
In the figure: 1. a vehicle base; 2. a rail grabber; 3. an operating platform; 4. a cylinder; 5. a groove; 6. a buffer rod; 7. a first spring; 8. a buffer plate; 9. a pressure relief tube; 91. a branch pipe; 10. a pressure release control mechanism; 11. a horizontal slide rail; 12. triggering the sliding block; 13. a second spring; 14. a pneumatic switch; 15. a counterweight base; 16. fixing the sliding rail; 17. a screw; 18. a stepping motor; 19. a step motor switch; 20. a T-shaped slider; 21. t-shaped sliding grooves; 22. a fixed rod; 23. a slide bar; 24. a pressure relief hole; 25. a first slide bar, 26, a second slide bar; 27. a third spring; 28. a one-way valve; 29. guard bars; 30. a support plate; 31. a first rack; 32. a gear; 33. a second rack; 34. a chute; 35. and (5) connecting a block.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 1-5, the leveling railway electrification construction ladder truck comprises a truck base 1, a rail grabbing device 2 arranged below the truck base 1 and an operation platform 3 arranged above the truck base 1, wherein a guardrail 29 is arranged on the side surface of the operation platform 3, a guardrail door is rotatably arranged on one side of the guardrail 29, a ladder stand is fixedly welded on one side of the ladder truck corresponding to the guardrail door, when the leveling railway electrification construction ladder truck is used, the rail grabbing device 2 is arranged on a rail of a railway, the installation of the truck base 1 is realized, the rail grabbing device 2 is moved on the rail to move the truck base 1, the operation platform 3 is climbed by the ladder stand to close the guardrail door, and high-position operation is realized on the operation platform 3.
In the embodiment of the invention, the operation platform 3 is connected with the car base 1 through the air cylinders 4, the number of the air cylinders 4 is 4, the lower ends of the 4 air cylinders 4 are respectively fixed at the four corners of the car base 1, when not in use, the air cylinders 4 are shortened, the height of the ladder car is reduced, when in use, the air cylinders 4 are lengthened, the height of the ladder car is increased, the side face of the operation platform 3 is embedded with the groove 5, the buffer rod 6 is horizontally arranged in the groove 5, one end of the buffer rod 6 is connected with the inner end of the groove 5, the buffer plate 8 is fixed at the other end of the buffer rod 6, the pressure release pipe 9 is connected between the groove 5 and the cylinder barrel of the air cylinders 4, when the ladder car is inclined towards one side and is about to overturn, the air in the cylinder barrel of the air cylinders 4 is discharged into the groove 5 through the pressure release pipe 9, the buffer rod 6 is pushed towards the outer side of the operation platform 3, when the ladder car is dumped on the ground, the buffer plate 8 is contacted with the ground, the first spring 7 is compressed, and the first spring is played. The surface of the buffer plate 8 may be fixed with a foam plate or a rubber plate to improve the buffer effect when the buffer plate 8 collides with the ground.
Specifically, the bottom of operation platform 3 is equipped with pressure release control mechanism 10, pressure release control mechanism 10 is including fixing the horizontal slide rail 11 of operation platform 3 bottom, the sliding of horizontal slide rail 11 is equipped with triggers slider 12, trigger slider 12 with the inboard of horizontal slide rail 11 is connected with second spring 13, the outside of horizontal slide rail 11 is fixed with pneumatic switch 14, pneumatic switch 14 installs on the pressure release pipe 9, as the name implies, horizontal slide rail 11 is under normal circumstances with ground keep level, when the ladder truck has the trend of toppling over, horizontal slide rail 11 also can take place corresponding slope, under the action of gravity for trigger slider 12 slides in horizontal slide rail 11 and stretches second spring 13, when the ladder truck inclines to a certain extent, triggers slider 12 and extrudes pneumatic switch 14, and after pneumatic switch 14 presses, opens cylinder 4, under the pressure effect of operation platform 3, makes the air in the cylinder 4 discharge fast and get into recess 5 through pressure release pipe 9, makes buffer plate 8 follow the side of operation platform 3, and the high-speed air cylinder 4 is stretched out, because the high-lift truck's of the protection risk of the side, can reduce the high-speed air protection platform, the safety of the air is realized, the safety and the safety of the side of the air is shortened.
Further, the surface horizontal slip of car base 1 is equipped with counter weight base 15, and is equipped with on the car base 1 and drive counter weight base 15 gliding actuating mechanism, actuating mechanism is including fixing the fixed slide rail 16 on the car base 1, in this embodiment, the quantity of fixed slide rail 16 is two, counter weight base 15 and fixed slide rail 16 sliding connection, fixed slide rail 16 rotates and is equipped with screw rod 17, screw rod 17 and counter weight base 15 threaded connection, the one end of fixed slide rail 16 is fixed with step motor 18, step motor 18's output shaft with the one end fixed connection of screw rod 17, drive screw rod 17 rotation when the output shaft of step motor 18 rotates, drive counter weight base 15 and slide when screw rod 17 rotates, adjust the focus of car base 1 to make car base 1 by the slope to balanced under the regulation effect of counter weight base 15, have simple regulation balanced effect, specifically, step motor switch 19 is installed to the outside of horizontal slide rail 11, step motor switch 19 with step motor 18 electricity is connected, step motor 12 inclines to a certain degree, triggers sliding block 12 and contacts step motor switch 19 and makes step motor circuit 18 switch on.
In fact, the air compressor connected to the cylinder 4, and the power supply connected to the stepper motor 18, can be mounted on the counterweight base 15, with a weight of up to hundreds of jin, and when the ladder truck is tilted to a certain extent, the counterweight base 15 slides, so as to achieve a good balance adjustment effect.
Furthermore, the upper end of the cylinder 4 is slidably mounted with the bottom of the operation platform 3, the upper end of the cylinder is fixedly provided with a T-shaped sliding block 20, the bottom of the operation platform 3 is embedded with a T-shaped sliding groove 21, the T-shaped sliding block 20 is slidably connected with the T-shaped sliding groove 21, the operation platform 3 can horizontally move at the top of the cylinder 4, a telescopic connecting member is fixed between the operation platform 3 and the counterweight base 15, the position of the counterweight base 15 is fixed under normal conditions, the position of the telescopic connecting member is fixed, namely the operation platform 3 is fixed at the top of the cylinder 4, the telescopic connecting member comprises a fixed rod 22 with one end fixed with the operation platform 3, the fixed rod 22 is slidably sleeved with a sliding rod 23, the lower end of the sliding rod 23 is fixedly connected with the counterweight base 15, the cylinder 4 is telescopic and drives the operation platform 3 to stretch out and draw back together when the ladder truck is inclined towards one side, the counterweight base 15 is slid towards the other side under the action of the driving mechanism, the counterweight base 15 is driven towards the other side to move towards the sliding member through the telescopic connecting member, the telescopic connecting member can drive the operation platform 3 to move along with the cylinder 3, and the ground can be prevented from being inclined to the top of the operation platform 3 when the ladder truck is inclined, and the operation platform 3 is reduced as soon as possible, the ground is reduced.
Specifically, the quantity of recess 5 is two, two recess 5 symmetry sets up the both sides of operation platform 3, and the bottom of recess 5 runs through and is equipped with relief hole 24, buffer board 8 passes through two recess 5 symmetry and installs in the both sides of operation platform 3, the gas vent of many cylinders 4 is connected on same pressure release pipe 9, and be equipped with two minutes pipe 91 on the pressure release pipe 9, two minutes pipes 91 connect two recesses 5 respectively, be equipped with a pneumatic switch 14 on each minute pipe 91, when the elevator takes place to empty, the pneumatic switch 14 on corresponding one side minute pipe 91 opens, make the air in many cylinders 4 cylinder get into pressure release pipe 9 together, get into the recess 5 of corresponding one side through the minute pipe 91 of pressure release pipe 9, promote the outside extension of buffer rod 6 of this side, make buffer board 8 strike ground, compress the air in the recess 5 of operation platform 3 and the ground emergence striking one side, make the air in the recess 5 outwards discharge through the relief hole 24, produce heat energy conversion when compressing the recess 5 air, thereby play the cushioning effect.
Specifically, the buffer rod 6 includes one end with recess 5 sliding connection's first slide bar 25 and with first slide bar 25 sliding connection's second slide bar 26, be connected with third spring 27 between second slide bar 26 and the first slide bar 25, buffer plate 8 with second slide bar 26 fixed connection, the air in the cylinder 4 gets into recess 5, promotes buffer rod 6 outwards and removes, makes buffer plate 8 follow one side of operation platform 3 and stretches out, and when the ladder car falls to the ground, buffer plate 8 takes place the direct collision with the ground, and third spring 27 contracts, cushions.
Specifically, a one-way valve 28 is connected between the pneumatic switch 14 and the groove, so that air in the cylinder 4 enters the groove 5 in one way.
It should be noted that, the supporting plate 30 opposite to the sliding direction of the counterweight base 15 is provided in the vehicle base 1, the supporting plate 30 is fixed with the first rack 31, the gear 32 is provided in the vehicle base 1 in a rotating way, the counterweight base 15 is fixed with the second rack 33, the second rack 33 is engaged with the upper side of the gear 32, the first rack 31 is engaged with the lower side of the gear 32, when the ladder is inclined towards one side, the counterweight base 15 slides towards the other side under the driving of the driving mechanism, and when the counterweight base 15 slides, the second rack 33 is driven to slide, when the second rack 33 slides, the gear 32 is driven to rotate, the first rack 31 is driven to slide when the gear 32 rotates, the supporting plate 30 is driven to slide, and the inclined side of the ladder is supported, thereby further preventing the ladder from falling over on the ground.
Specifically, the car base 1 is embedded to be equipped with both ends open-ended spout 34, backup pad 30 slidable mounting is in spout 34, and the length of backup pad 30 keeps unanimous with the length of spout 34, the lower extreme of counter weight base 15 is fixed with connecting block 35, connecting block 35 and fixed slide rail 16 sliding connection and with screw 17 threaded connection, the lower extreme of connecting block 35 runs through to spout 34 in and with second rack 33 fixed connection, during operation, screw 17 rotates and drives connecting block 35 and slide, drive counter weight base 15 when connecting block 35 slides, and drive second rack 33 when connecting block 35 slides. According to the leveling railway electrification construction ladder car, the structure is adopted, when the leveling railway electrification construction ladder car inclines to a certain extent, the trigger sliding block 12 slides in the horizontal sliding rail and extrudes the pneumatic switch 14, after the pneumatic switch 14 is pressed, air in the cylinder barrel of the air cylinder 4 is rapidly discharged through the pressure release pipe 9 and enters the groove 5 under the pressure action of the operation platform 3, the buffer plate 8 extends out of the side face of the operation platform 3 to play a role in protection, and because the air in the air cylinder 4 is discharged, the air cylinder 4 is automatically shortened, the gravity center of the ladder car is reduced, the stability of the ladder car is improved, and because the air cylinder 4 is shortened, the height of the operation platform 3 is reduced, and the risk of construction at high positions of operators is reduced as much as possible.
When the gradient of the ladder car is serious, the sliding block 12 is triggered to slide in the horizontal sliding rail and extrude the stepping motor switch 19, so that the circuit of the stepping motor 18 is connected and works, the output shaft of the stepping motor 18 drives the screw rod 17 to rotate when rotating, the counterweight base 15 is driven to slide towards the side far away from the gradient car when the screw rod 17 rotates, the weight of the gradient car at the side far away from the gradient car is increased, and the balance of the gradient car is regulated by regulating the gravity center, so that the stability of the gradient car is improved; a telescopic connecting member is fixed between the operating platform 3 and the counterweight base 15, when the ladder car is inclined towards one side, the counterweight base 15 slides towards the inclined other side under the action of the driving mechanism, and when the counterweight base 15 slides towards the other side, the operating platform 3 is driven to move together through the telescopic connecting member, so that the operating platform 3 is far away from one side of the ladder car, which is about to collide with the ground, and when the ladder car is inclined, the operating platform 3 can be far away from the ground as far as possible, hard objects impacted on the ground are prevented, and personnel injury is reduced; the support plate 30 is arranged in the cart base 1 of the ladder cart in a sliding manner, when the ladder cart is inclined towards one side, the counterweight base 15 is driven to move towards the opposite direction under the action of the driving mechanism, the gear 32 is driven to rotate through the second rack 33 when the counterweight base 15 moves, the gear 32 rotates to drive the first rack 31 to slide, the support plate 30 is driven to extend towards one inclined side of the ladder cart through the sliding of the first rack 31, the inclined side of the ladder cart is supported, and further the overturning of the ladder cart on the ground is prevented.
The invention can level the electrified construction ladder car of the railway, can automatically lower the gravity center when the ladder car tilts and is about to tip over, can automatically extend out of the buffer plate and the supporting plate at the same time of lowering the gravity center, supports the car base through the supporting plate to prevent tip over, and buffers the impact about to be received through the supporting plate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a leveling railway electrification construction ladder car, includes car base (1), sets up grab rail ware (2) and setting of car base (1) below are in operation platform (3) of car base top, its characterized in that: the automobile seat is characterized in that the operation platform (3) is connected with the automobile seat (1) through an air cylinder (4), a groove (5) is embedded in the side face of the operation platform (3), a buffer rod (6) is arranged in the groove (5) in a sliding mode, one end of the buffer rod (6) is connected with a first spring (7) with the inner end of the groove (5), a buffer plate (8) is fixed at the other end of the buffer rod (6), and a pressure relief pipe (9) is connected between the groove (5) and a cylinder barrel of the air cylinder (4);
the bottom of the operation platform (3) is provided with a pressure release control mechanism (10), the pressure release control mechanism (10) comprises a horizontal sliding rail (11) fixed at the bottom of the operation platform (3), a trigger sliding block (12) is arranged in the horizontal sliding rail (11) in a sliding manner, the trigger sliding block (12) and the inner side of the horizontal sliding rail (11) are connected with a second spring (13), the outer side of the horizontal sliding rail (11) is fixedly provided with a pneumatic switch (14), and the pneumatic switch (14) is installed on the pressure release pipe (9);
the surface sliding of car base (1) is equipped with counter weight base (15), and is equipped with on car base (1) to drive counter weight base (15) gliding actuating mechanism, the upper end of cylinder (4) with the bottom slidable mounting of operation platform (3), and operation platform (3) with be fixed with scalable connecting piece (16) between counter weight base (15).
2. The leveled railway electrification construction ladder truck as claimed in claim 1, wherein: the number of the grooves (5) is two, the two grooves (5) are symmetrically arranged on two sides of the operation platform (3), and the bottom of each groove (5) is provided with a pressure relief hole (24) in a penetrating mode.
3. The leveled railway electrification construction ladder truck as claimed in claim 1, wherein: the buffer rod (6) comprises a first slide rod (25) with one end in sliding connection with the groove (5) and a second slide rod (26) in sliding connection with the first slide rod (25), a third spring (27) is connected between the second slide rod (26) and the first slide rod (25), and the buffer plate (8) is fixedly connected with the second slide rod (26).
4. The leveled railway electrification construction ladder truck as claimed in claim 2, wherein: the driving mechanism comprises a fixed sliding rail (16) fixed on the vehicle base (1), the counterweight base (15) is in sliding connection with the fixed sliding rail (16), the fixed sliding rail (16) is rotationally provided with a screw rod (17), the screw rod (17) is in threaded connection with the counterweight base (15), one end of the fixed sliding rail (16) is fixedly provided with a stepping motor (18), an output shaft of the stepping motor (18) is fixedly connected with one end of the screw rod (17), a stepping motor switch (19) is installed on the outer side of the horizontal sliding rail (11), and the stepping motor switch (19) is electrically connected with the stepping motor (18).
5. The leveled railway electrification construction ladder truck as claimed in claim 1, wherein: a one-way valve (28) is connected between the pneumatic switch (14) and the groove (5).
6. The leveled railway electrification construction ladder truck as claimed in claim 1, wherein: the telescopic connecting member (16) comprises a fixed rod (22) with one end fixed with the operating platform (3), the fixed rod (22) is sleeved with a sliding rod (23) in a sliding mode, and the lower end of the sliding rod (23) is fixedly connected with the counterweight base (15).
7. The leveled railway electrification construction ladder truck as claimed in claim 6, wherein: the upper end of the air cylinder (4) is fixedly provided with a T-shaped sliding block (20), the bottom of the operating platform (3) is embedded with a T-shaped sliding groove (21), and the T-shaped sliding block (20) is in sliding connection with the T-shaped sliding groove (21).
8. The leveled railway electrification construction ladder truck as claimed in claim 1, wherein: the side of operation platform (3) is equipped with guardrail (29), one of them side rotation of guardrail (29) is installed the guardrail door.
9. The leveled railway electrification construction ladder truck as claimed in claim 4, wherein: be equipped with in car base (1) with backup pad (30) that counter weight base (15) slip direction is opposite, backup pad (30) are fixed with first rack (31), car base (1) internal rotation is equipped with gear (32), counter weight base (15) are fixed with second rack (33), second rack (33) with the upside meshing of gear (32) is connected, first rack (31) with the downside meshing of gear (32) is connected.
10. The leveled railway electrification construction ladder truck as claimed in claim 9, wherein: the automobile seat (1) is internally embedded with a sliding groove (34) with two open ends, the supporting plate (30) is slidably installed in the sliding groove (34), a connecting block (35) is fixed at the lower end of the counterweight base (15), the connecting block (35) is fixedly connected with a second rack (33), the connecting block (35) is slidably connected with the fixed sliding rail (16) and is in threaded connection with the screw (17), and the lower end of the connecting block (35) penetrates into the sliding groove (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577033.1A CN116443787A (en) | 2023-05-22 | 2023-05-22 | Railway electrification construction ladder car capable of leveling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577033.1A CN116443787A (en) | 2023-05-22 | 2023-05-22 | Railway electrification construction ladder car capable of leveling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116443787A true CN116443787A (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310577033.1A Pending CN116443787A (en) | 2023-05-22 | 2023-05-22 | Railway electrification construction ladder car capable of leveling |
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| Country | Link |
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| CN (1) | CN116443787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812823A (en) * | 2023-08-24 | 2023-09-29 | 江苏华益中亨金属科技发展有限公司 | Adjustable lifting equipment of stacker cargo carrying platform |
-
2023
- 2023-05-22 CN CN202310577033.1A patent/CN116443787A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812823A (en) * | 2023-08-24 | 2023-09-29 | 江苏华益中亨金属科技发展有限公司 | Adjustable lifting equipment of stacker cargo carrying platform |
| CN116812823B (en) * | 2023-08-24 | 2024-01-23 | 江苏华益中亨金属科技发展有限公司 | Adjustable lifting equipment of stacker cargo carrying platform |
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