CN220393240U - Railway vehicle line maintenance engineering vehicle - Google Patents

Abstract

The utility model discloses a railway vehicle line maintenance engineering vehicle, which comprises a flat car and a lifting unit; and (3) trailer: the left end of the upper surface of the car hopper is provided with a rectangular fixed cylinder, the inside of the rectangular fixed cylinder is vertically connected with a rectangular sliding sleeve in a sliding manner, and the upper surface of the rectangular sliding sleeve is provided with a maintenance workbench; lifting unit: including scissors expansion bracket and spacing slider, the connecting rod fixed connection that the scissors expansion bracket lower right corner set up is in the inner chamber lower right corner of the fixed section of thick bamboo of rectangle, and the connecting rod that the scissors expansion bracket upper right corner set up is with rectangular sliding sleeve's inner chamber upper right corner fixed connection, this rail vehicle circuit maintenance engineering truck for rail vehicle circuit maintenance engineering truck can maintain the rail vehicle circuit of not co-altitude, ensures that maintenance workstation can hover at the required maintenance height of rail vehicle circuit, avoids electric telescopic handle to be in long bearing load and lead to causing irreversible wearing and tearing to electric telescopic handle for a long time.

Description

Railway vehicle line maintenance engineering vehicle

Technical Field

The utility model relates to the technical field of railway vehicle lines, in particular to a railway vehicle line maintenance engineering vehicle.

Background

The railway is an important component of national economy, the safety and smoothness of a maintenance line are key elements in railway transportation, a railway vehicle line maintenance engineering truck is an engineering truck for maintaining the railway line, the quality and safety of railway line equipment are improved through maintenance and detection of railway line equipment, normal operation of railway transportation is guaranteed, the railway vehicle line is a high-voltage transmission line erected along the upper part of a steel rail in an electrified railway and used for a pantograph to take flow, the railway vehicle line is a main framework of railway electrified engineering, the railway vehicle line is a special-form transmission line erected along the upper part of the railway line and used for supplying power to the railway vehicle, maintenance of a contact net line is usually carried out on a special railway vehicle line maintenance engineering truck, a lifting working platform is mounted on a truck body, maintenance personnel stand on the working platform for maintaining the line, the existing railway vehicle line maintenance engineering truck is composed of a scissor telescopic bracket, a hydraulic or mechanical telescopic rod serving as driving force, the hydraulic or mechanical telescopic rod serving as the driving force stretches out to drive the telescopic bracket so as to realize the normal power supply, the lifting of the railway vehicle line maintenance engineering truck can be suspended on the working platform in a proper mode when the lifting and the working platform is not suspended by the proper driving force, and the hydraulic or the telescopic rod serving as the driving force can not be suspended in a proper mode when the lifting and can not be suspended by the telescopic platform.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the existing defects, and provide the railway vehicle line maintenance engineering truck, so that the railway vehicle line maintenance engineering truck can maintain railway vehicle lines with different heights, has wider application range, ensures that a maintenance workbench can hover at the maintenance height required by the railway vehicle line, avoids irreversible abrasion to an electric telescopic rod caused by long-time long bearing load of the electric telescopic rod, reduces the failure rate of a lifting unit of the railway vehicle line maintenance engineering truck, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a railway vehicle line maintenance engineering vehicle comprises a flat car and a lifting unit;

and (3) trailer: the left end of the upper surface of the car hopper is provided with a rectangular fixed cylinder, the inside of the rectangular fixed cylinder is vertically connected with a rectangular sliding sleeve in a sliding manner, and the upper surface of the rectangular sliding sleeve is provided with a maintenance workbench;

lifting unit: including scissors expansion bracket and spacing slider, the connecting rod fixed connection that the scissors expansion bracket right side lower corner set up is in the inner chamber right lower corner of the fixed section of thick bamboo of rectangle, the connecting rod that the scissors expansion bracket right side upper corner set up and the inner chamber right upper corner fixed connection of rectangle sliding sleeve, equal sliding connection has spacing slider in the spout that wall upper end set up around the fixed section of thick bamboo lower extreme and the rectangle sliding sleeve front and back wall, the spacing slider fixed connection of its adjacent end respectively is located to the connecting rod front and back end that scissors expansion bracket left upper corner and left upper corner set up, make railway vehicle circuit maintenance engineering truck can maintain the railway vehicle circuit of co-altitude, application scope is wider, ensure that maintenance work platform can hover at the required maintenance height of railway vehicle circuit, avoid electric telescopic handle to be in long-time bearing load and lead to causing irreversible wearing and tearing to electric telescopic handle, the fault rate of railway vehicle circuit maintenance engineering truck elevating unit has been reduced.

Further, the lifting unit further comprises a mounting seat and an electric telescopic rod, the mounting seat is arranged on the right side of the bottom wall surface of the rectangular fixed cylinder, the electric telescopic rod is connected to the inner cavity of the mounting seat through rotation of a rotating shaft, the upper telescopic end of the electric telescopic rod is connected with the middle part of a connecting rod arranged at the upper end of the middle part of the scissor telescopic frame through a bearing in a rotating manner, and the input end of the electric telescopic rod is electrically connected with the output end of the control switch group inside the trailer cab to play a role in quick driving.

Further, still include the pawl, the pawl passes through the bearing two and rotates the connecting rod extrados middle part that is connected in scissors expansion bracket lower left corner setting, and the diapire face middle part left side of the fixed section of thick bamboo of rectangle is equipped with the ratchet board, and the ratchet board is connected with the pawl meshing, avoids electric telescopic handle 54 to be in long-time long bearing load and lead to causing irreversible wearing and tearing to electric telescopic handle 54.

Further, still include the fixed plate, the fixed plate sets up in the connecting rod extrados middle part rear end that scissors expansion bracket left side lower corner set up, and the front surface upper right corner of fixed plate is equipped with push-pull type electro-magnet, and the extrados upper right corner of pawl is equipped with the roof, and push-pull type electro-magnet's flexible end and roof cooperation set up, and the output of trailer driver's cabin internal control switch group has been connected to push-pull type electro-magnet's input electricity, has reached quick driven purpose.

Further, the upper left corner of the front surface of the fixing plate is provided with an elastic sheet, and the lower end of the elastic sheet is matched with the outer cambered surface of the pawl to play a role of elastic support.

Further, the right end of the upper surface of the hopper of the trailer is provided with a storage box, so that maintenance personnel can conveniently store tools for maintaining railway vehicle lines.

Further, the front end of the right surface of the head of the trailer is provided with a crawling ladder, so that maintenance personnel can climb conveniently.

Compared with the prior art, the utility model has the beneficial effects that: the railway vehicle line maintenance engineering vehicle has the following advantages:

1. when the railway vehicle line needs to be maintained, a driver drives the trailer to travel to the place of the railway vehicle line needing to be maintained, then the maintainer regulates and controls the operation of the electric telescopic rod through the control switch group in the cab according to the height of the railway vehicle line, the telescopic end of the electric telescopic rod stretches out and pushes the scissor telescopic frame to stretch out and draw back, the scissor telescopic frame stretches out and draws back to prop the rectangular sliding sleeve and the maintenance workbench to lift along the rectangular fixed cylinder, the connecting rod arranged at the lower left corner and the upper left corner of the scissor telescopic frame can slide to the right side through the limiting sliding block in the stretching process of the scissor telescopic frame, and the connecting rod arranged at the lower left corner of the scissor telescopic frame can drive the pawl to synchronously move when sliding to the right side, so that the railway vehicle line maintenance engineering vehicle can maintain railway vehicle lines with different heights, and the application range is wider.

2. The connecting rod that scissors expansion bracket left side lower corner set up can drive pawl synchronous movement when the side slides to the right, and at this in-process, the ratchet board then can be with the continuous jack-up of pawl in the movement to the right for the elasticity perk of shell fragment is overcome to the pawl, simultaneously along with the continuous right movement of pawl, the pawl can constantly reset and the ratchet groove continuous joint that corresponds on the ratchet board under the elastic force effect of shell fragment resilience, this process is constantly repeated at scissors expansion bracket flexible in-process, after the maintenance work platform moves to required height, the pawl then finally blocks into the ratchet inslot that the ratchet board corresponds under the elastic force effect of shell fragment resilience at this moment, thereby ensure that maintenance work platform can hover at the required maintenance height of railway vehicle circuit, avoid electric telescopic handle to be in long bearing load and lead to causing irreversible wearing and tearing to electric telescopic handle for a long time, the fault rate of railway vehicle circuit maintenance engineering car elevating unit has been reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a lifting unit according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the device comprises a trailer 1, a rectangular fixed cylinder 2, a rectangular sliding sleeve 3, a maintenance workbench 4, a lifting unit 5, a scissor telescopic frame 51, a limiting sliding block 52, a mounting seat 53, an electric telescopic rod 54, a pawl 6, a ratchet plate 7, a fixed plate 8, a push-pull electromagnet 9, a top plate 10, a spring plate 11, a storage box 12 and a ladder 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a railway vehicle line maintenance engineering vehicle comprises a flat car 1 and a lifting unit 5;

trailer 1: the trailer 1 provides an installation supporting place for the accessory mechanism unit, the left end of the upper surface of the hopper is provided with a rectangular fixed cylinder 2, the rectangular fixed cylinder 2 plays a role in fixing, supporting and guiding, the rectangular sliding sleeve 3 is vertically connected in a sliding manner in the rectangular fixed cylinder 2, the rectangular sliding sleeve 3 plays a role in sliding and supporting, the upper surface of the rectangular sliding sleeve 3 is provided with a maintenance workbench 4, and the maintenance workbench 4 is convenient for a worker to maintain a railway vehicle line;

lifting unit 5: comprises a scissors telescoping frame 51 and a limit slide block 52, wherein a connecting rod arranged at the right lower corner of the scissors telescoping frame 51 is fixedly connected with the right lower corner of an inner cavity of a rectangular fixed cylinder 2, a connecting rod arranged at the right upper corner of the scissors telescoping frame 5 is fixedly connected with the right upper corner of the inner cavity of a rectangular sliding sleeve 3, limit slide blocks 6 are respectively and slidably connected in sliding grooves arranged at the lower ends of the front wall surface and the rear wall surface of the rectangular fixed cylinder 2 and the upper end of the front wall surface and the rear wall surface of the rectangular sliding sleeve 3, the limit slide blocks 6 at the adjacent ends of the connecting rod arranged at the left upper corner and the left upper corner of the scissors telescoping frame 5 are respectively and fixedly connected, the connecting rod on the scissors telescoping frame 5 is connected with the connecting plate through a bearing in a three-rotation way, the lifting unit 5 also comprises a mounting seat 53 and an electric telescopic rod 54, the mounting seat 53 is arranged at the right side of the bottom wall surface of the rectangular fixed cylinder 2, the inner cavity of the mounting seat 53 is rotationally connected with the electric telescopic rod 54 through a rotating shaft, the upper end telescopic end of the electric telescopic rod 54 is rotatably connected with the middle part of a connecting rod arranged at the upper end of the middle part of the scissor telescopic frame 51 through a bearing, the input end of the electric telescopic rod 54 is electrically connected with the output end of a control switch group in the cab of the trailer 1, when a railway vehicle line needs maintenance, a driver drives the trailer 1 to travel into a railway vehicle line place needing maintenance, then a maintainer regulates and controls the electric telescopic rod 54 to operate through the control switch group in the cab according to the height of the railway vehicle line, the telescopic end of the electric telescopic rod 54 stretches out and pushes the scissor telescopic frame 51 to stretch, the scissor telescopic frame 51 stretches out and stretches out so as to prop the rectangular sliding sleeve 3 and the maintenance workbench 4 to lift along the rectangular fixed cylinder 2, in the telescopic process of the scissor telescopic frame 51, the connecting rod arranged at the lower left corner and the upper left corner of the connecting rod can slide rightwards through the limit sliding block 52, the railway vehicle line maintenance engineering truck can maintain railway vehicle lines with different heights, and has wider application range.

Wherein: the electric telescopic device comprises a scissors telescopic frame 51, a ratchet plate 7 is arranged in the middle of the outer cambered surface of the connecting rod arranged at the lower left corner of the scissors telescopic frame 51 through a bearing II, the ratchet plate 7 is meshed with the ratchet plate 6, the connecting rod arranged at the lower left corner of the scissors telescopic frame 51 can drive the ratchet plate 6 to synchronously move when sliding to the right, in the process, the ratchet plate 7 continuously jacks up the pawl 6 in the rightward movement, the elastic force of an elastic sheet 11 is overcome, meanwhile, the pawl 6 continuously moves to the right along with the continuous movement of the pawl 6, the ratchet groove corresponding to the ratchet plate 7 is continuously clamped under the action of the elastic sheet 11, the process is continuously repeated in the telescopic process of the scissors telescopic frame 51 until the maintenance workbench 4 moves to the required height, and then the pawl 6 is finally clamped into the ratchet groove corresponding to the ratchet plate 7 under the action of the elastic sheet 11, so that the maintenance workbench 4 can continuously jack up and down at the required maintenance height of a railway vehicle line, the electric telescopic rod 54 is prevented from being in the long-time to hover load to cause irreversible abrasion of the railway vehicle, and the maintenance unit is reduced.

Wherein: the automatic ratchet wheel is characterized by further comprising a fixing plate 8, wherein the fixing plate 8 is arranged at the rear end of the middle part of the outer cambered surface of the connecting rod, which is arranged at the left lower corner of the scissor expansion bracket 51, a push-pull electromagnet 9 is arranged at the right upper corner of the front surface of the fixing plate 8, a top plate 10 is arranged at the right upper corner of the outer cambered surface of the pawl 6, the telescopic end of the push-pull electromagnet 9 is matched with the top plate 10, the input end of the push-pull electromagnet 9 is electrically connected with the output end of a control switch group in the cab of the trailer 1, after railway vehicle line maintenance is finished, a maintainer regulates and controls the power supply of the push-pull electromagnet 9 to be disconnected through the control switch group in the cab, at the moment, the push-pull rod of the push-pull electromagnet 9 is pushed out and pushes the top plate 10 under the action of spring resilience force of the inner push-pull electromagnet 9, so that the pawl 6 is separated from the ratchet plate 7 against the spring force of the spring 11, after that the push-pull electromagnet 54 is reversely operated through the control switch group in the cab, the telescopic end of the electric telescopic rod 54 is retracted and drives the scissor bracket 51 to retract, so that each mechanism of the railway vehicle line maintenance engineering vehicle is reset, and finally the push-pull electromagnet 9 is electrified, an electromagnetic coil in the push-pull electromagnet 9 is electrified, and an electromagnetic coil is generated, and the electromagnetic coil is pushed to be pushed into the ratchet wheel groove under the action of the spring force of the ratchet wheel, and the ratchet wheel is ready to be pushed down again, and the ratchet wheel 11.

Wherein: the upper left corner of the front surface of the fixed plate 8 is provided with an elastic sheet 11, the lower end of the elastic sheet 11 is matched with the outer cambered surface of the pawl 6, the pawl 6 overcomes the elastic tilting of the elastic sheet 11, and simultaneously, along with the continuous rightward movement of the pawl 6, the pawl 6 continuously resets under the action of the resilience force of the elastic sheet 11 and is continuously clamped with a corresponding ratchet groove on the ratchet plate 7, so that the elastic support function is realized.

Wherein: the right end of the upper surface of the hopper of the trailer 1 is provided with a storage box 12, which is convenient for maintenance personnel to store tools for maintaining railway vehicle lines.

Wherein: the front end of the right surface of the head of the trailer 1 is provided with the cat ladder 13, so that maintenance personnel can climb conveniently.

The working principle of the railway vehicle line maintenance engineering vehicle provided by the utility model is as follows: when the railway vehicle line needs maintenance, a driver drives the trailer 1 to travel into a railway vehicle line place needing maintenance, then the maintenance personnel regulates and controls the operation of the electric telescopic rod 54 through the control switch group in the cab according to the height of the railway vehicle line, the telescopic end of the electric telescopic rod 54 stretches out to push the scissor telescopic frame 51 to stretch, the scissor telescopic frame 51 stretches out and draws back to prop the rectangular sliding sleeve 3 and the maintenance workbench 4 to lift along the rectangular fixed cylinder 2, the connecting rods arranged at the lower left corner and the upper left corner of the scissor telescopic frame 51 slide to the right side through the limit sliding block 52 in the telescopic process of the scissor telescopic frame 51, the connecting rods arranged at the lower left corner of the scissor telescopic frame 51 drive the pawls 6 to synchronously move when sliding to the right side, in the process, the ratchet plate 7 continuously jacks up the pawls 6 in the rightward movement, so that the pawls 6 tilt up against the elasticity of the elastic sheet 11, simultaneously, as the pawl 6 continuously moves rightwards, the pawl 6 continuously resets under the action of the resilience force of the elastic sheet 11 and is continuously clamped with the corresponding ratchet groove on the ratchet plate 7, the process is continuously repeated in the telescopic process of the scissors telescopic frame 51 until the maintenance workbench 4 moves to the required height, the pawl 6 at the moment is finally clamped into the ratchet groove corresponding to the ratchet plate 7 under the action of the resilience force of the elastic sheet 11, thereby ensuring that the maintenance workbench 4 can hover at the required maintenance height of a railway vehicle line, avoiding irreversible abrasion to the electric telescopic rod 54 caused by long-time long bearing load of the electric telescopic rod 54, reducing the failure rate of a lifting unit of the railway vehicle line maintenance engineering vehicle, regulating and disconnecting the power supply of the push-pull electromagnet 9 by a maintenance personnel through a control switch group in a cab after the maintenance of the railway vehicle line is completed, at this time, the push-pull rod of the push-pull electromagnet 9 is pushed out and pushes the top plate 10 under the action of the resilience force of the top spring in the push-pull electromagnet 9, so that the pawl 6 is separated from the ratchet plate 7 by overcoming the elasticity of the elastic sheet 11, after that, maintenance personnel regulate and control the electric telescopic rod 54 to reversely operate through the control switch group in the cab, the telescopic end of the electric telescopic rod 54 is retracted and drives the scissor telescopic frame 51 to retract, so that each mechanism of the railway vehicle line maintenance engineering truck is reset, the push-pull electromagnet 9 is conducted finally, the electromagnetic coil in the push-pull electromagnet 9 is electrified, the electromagnetic coil generates electromagnetic induction to pull the push-pull rod back, and the pawl 6 is clamped into the ratchet slot corresponding to the ratchet plate 7 again under the resilience force of the elastic sheet 11 to prepare for the next limiting.

It should be noted that, the electric telescopic rod 54 and the push-pull electromagnet 9 disclosed in the above embodiment can be freely configured according to the practical application scenario, the electric telescopic rod 54 can be an electric telescopic rod with the model JC35a19A, the push-pull electromagnet 9 can be a push-pull electromagnet with the model AU0837, and the control switch group in the cab of the trailer 1 is provided with switch buttons corresponding to the electric telescopic rod 54 and the push-pull electromagnet 9 one by one for controlling the switch operation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a railway vehicle circuit maintenance engineering truck which characterized in that: comprises a flat car and a lifting unit (5);

trailer (1): the left end of the upper surface of the car hopper is provided with a rectangular fixed cylinder (2), the inside of the rectangular fixed cylinder (2) is vertically and slidably connected with a rectangular sliding sleeve (3), and the upper surface of the rectangular sliding sleeve (3) is provided with a maintenance workbench (4);

lifting unit (5): including scissors expansion bracket (51) and spacing slider (52), the connecting rod fixed connection that scissors expansion bracket (51) right side lower corner set up is in the inner chamber right side lower corner of rectangle fixed cylinder (2), the connecting rod that scissors expansion bracket (51) right side upper corner set up and the inner chamber right side upper corner fixed connection of rectangle sliding sleeve (3), all sliding connection has spacing slider (52) in the spout that wall upper end set up around wall lower extreme around rectangle fixed cylinder (2) and rectangle sliding sleeve (3), spacing slider (52) that the connecting rod front and back end that scissors expansion bracket (51) left upper corner and left upper corner set up respectively its adjacent end all rotates through the bearing between connecting rod and the connecting plate on scissors expansion bracket (51).

2. A railway vehicle line maintenance engineering truck according to claim 1, wherein: the lifting unit (5) further comprises a mounting seat (53) and an electric telescopic rod (54), the mounting seat (53) is arranged on the right side of the bottom wall surface of the rectangular fixed cylinder (2), an inner cavity of the mounting seat (53) is rotationally connected with the electric telescopic rod (54) through a rotating shaft, the upper telescopic end of the electric telescopic rod (54) is rotationally connected with the middle part of a connecting rod arranged at the upper end of the middle part of the scissors telescopic frame (51) through a bearing, and the input end of the electric telescopic rod (54) is electrically connected with the output end of a control switch group in a cab of the trailer (1).

3. A railway vehicle line maintenance engineering truck according to claim 1, wherein: the novel scissors further comprises a pawl (6), the pawl (6) is rotationally connected to the middle part of the outer cambered surface of the connecting rod arranged at the lower left corner of the scissors telescopic frame (51) through a second bearing, a ratchet plate (7) is arranged on the left side of the middle part of the bottom wall surface of the rectangular fixed cylinder (2), and the ratchet plate (7) is meshed with the pawl (6).

4. A railway vehicle line maintenance engineering truck according to claim 3, wherein: still include fixed plate (8), fixed plate (8) set up in the connecting rod extrados middle part rear end that scissors expansion bracket (51) left side lower corner set up, and the front surface upper right corner of fixed plate (8) is equipped with push-pull type electro-magnet (9), and the extrados upper right corner of pawl (6) is equipped with roof (10), and the flexible end and the roof (10) cooperation setting of push-pull type electro-magnet (9), the output of trailer (1) driver's cabin internal control switch group is connected to the input electricity of push-pull type electro-magnet (9).

5. A railway vehicle line maintenance work vehicle as claimed in claim 4, wherein: the left upper corner of the front surface of the fixed plate (8) is provided with an elastic sheet (11), and the lower end of the elastic sheet (11) is matched with the outer cambered surface of the pawl (6).

6. A railway vehicle line maintenance engineering truck according to claim 1, wherein: the right end of the upper surface of the hopper of the trailer (1) is provided with a storage box (12).

7. A railway vehicle line maintenance engineering truck according to claim 1, wherein: the front end of the right surface of the head of the trailer (1) is provided with a ladder stand (13).