CN112356759A - Low-position girder transporting vehicle - Google Patents

Low-position girder transporting vehicle Download PDF

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Publication number
CN112356759A
CN112356759A CN202011310451.7A CN202011310451A CN112356759A CN 112356759 A CN112356759 A CN 112356759A CN 202011310451 A CN202011310451 A CN 202011310451A CN 112356759 A CN112356759 A CN 112356759A
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walking
trolley
frame
traction
beams
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CN112356759B (en
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张光明
郝永刚
梅慧浩
唐坤元
杜小刚
苏六帅
邓博
曹翠
王嵽显
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China Railway 11th Bureau Group Co Ltd
China Railway 11th Bureau Group Hanjiang Heavy Industry Co Ltd
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China Railway 11th Bureau Group Co Ltd
China Railway 11th Bureau Group Hanjiang Heavy Industry Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

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  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

本发明提供了一种低位运梁车,两根主梁之间的内侧壁的下部设置有台阶状结构的走行台阶,后驮梁小车包括后小车横梁、行走梁、连接梁和承托梁,两个行走梁分别固定于后小车横梁的左右两端,行走梁的底部位于走行台阶上,行走梁的前后两端与后牵引系统相连;承托梁沿水平方向朝车架前端设置,承托梁通过连接梁固定于后小车横梁的下方。该低位运梁车中前驮梁小车和后驮梁小车分别在不同的高度、沿着不同的轨道进行纵向移动,同时两者所采用的牵引系统也安装在车架上不同的高度,因此本发明中能够有效降低承托箱梁的承托高度易于过隧,且扩大了后驮梁小车的纵向移动范围,使其在运梁、喂梁的工作过程中更加灵活。

Figure 202011310451

The invention provides a low-position beam transporting vehicle. The lower part of the inner side wall between two main beams is provided with a walking step with a stepped structure. The walking beam is respectively fixed on the left and right ends of the rear trolley beam, the bottom of the walking beam is located on the walking step, and the front and rear ends of the walking beam are connected with the rear traction system; the supporting beam is arranged horizontally toward the front end of the frame, and the supporting beam passes The connecting beam is fixed under the cross beam of the rear trolley. The front piggyback trolley and the rear piggyback trolley in the low-position beam transporter move longitudinally at different heights and along different tracks. At the same time, the traction systems used by the two are also installed at different heights on the frame. In the invention, the supporting height of the supporting box girder can be effectively reduced, which is easy to pass through the tunnel, and the longitudinal movement range of the rear supporting girder trolley is enlarged, so that it is more flexible in the working process of transporting and feeding the beam.

Figure 202011310451

Description

Low-position girder transporting vehicle
Technical Field
The invention belongs to the technical field of bridge construction machinery and methods, and particularly relates to a low-position girder transporting vehicle suitable for transporting different box girders.
Background
The beam transporting vehicles in use at present mainly comprise two types: however, the tunnel type beam transporting vehicle and the cross-tunnel type beam transporting vehicle are also called a high-position beam transporting vehicle and a low-position beam transporting vehicle. The two girder transporting vehicles have basically the same structure: all adopt a frame girder to put in, the vertical equipartition tire group in girder both sides, full hydraulic drive. The difference lies in that: the high-position girder transporting vehicle usually adopts large-specification tires, the number of bearing shafts can be reduced under the condition of satisfying the girder transporting, but the height of the girder transporting is high, and the box girder is difficult to transport through the tunnel. The low-position beam transporting vehicle usually adopts a multi-axis double-tire juxtaposition small tire mode. Under the condition of underfilling of a backfill layer of the tunnel, the box girder and the bridge girder erection machine can be carried through the tunnel.
At present, the transportation of high-speed rail concrete box girders mostly adopts a small-tire girder transporting vehicle, and the problems that the girder transporting is difficult to pass through the tunnel and the bridge girder erection machine is difficult to pass through the tunnel still exist. The applicant has announced a utility model patent named as a low level fortune roof beam car in 2019, 3 month 15, patent number ZL 201821072202.7, the low level fortune roof beam car that provides in this patent is high low, does not do any special requirement to the tunnel section and can transport the roof beam and pass through the tunnel, can pack the bridge girder erection machine and cross the tunnel, has reduced the post-processing on tunnel backfill layer, has improved high-speed railway construction progress and quality.
However, the applicant finds that the product still has the optimization and improvement space during the use process: because the front girder-carrying trolley and the rear girder-carrying trolley adopt the same structure, move on the same track and are dragged by the same traction system, the longitudinal positions of the front girder-carrying trolley and the rear girder-carrying trolley along the direction of the main girder are in conflict, and the installation positions of the traction systems corresponding to the front girder-carrying trolley and the rear girder-carrying trolley on the frame are in conflict, so that the front girder-carrying trolley can only move on the front section of the frame, the rear girder-carrying trolley can only move on the rear section of the frame, and the movable ranges of the front girder-carrying trolley and the rear girder-carrying trolley have a boundary. Generally, in the process of feeding beams by a bridge girder erection machine, the moving distance of a front beam-carrying trolley is short, but the moving distance of a rear beam-carrying trolley is long, the rear beam-carrying trolley needs to be matched with a front crane trolley of the bridge girder erection machine to send a box beam to a beam-taking position of the rear crane trolley together, namely the rear beam-carrying trolley needs to move forwards as far as possible (to obtain a larger moving range), but the rear beam-carrying trolley cannot move forwards too much due to the obstruction of traction systems of the front beam-carrying trolley and the front beam-carrying trolley, so that inconvenience is brought to the using process.
Disclosure of Invention
The invention provides a low-position beam transporting vehicle, which solves the defects in the prior art, and is characterized in that the low-position beam transporting vehicle is improved aiming at the structure and the traction mode of a rear beam carrying trolley and the structure of a main beam, so that the front beam carrying trolley and the rear beam carrying trolley respectively move longitudinally at different heights along different tracks, and traction systems adopted by the front beam carrying trolley and the rear beam carrying trolley are also arranged at different heights on a vehicle frame.
The technical scheme adopted for realizing the above purpose of the invention is as follows:
a low-position girder transporting vehicle at least comprises a frame, telescopic support legs, a box girder jacking oil cylinder, a suspension walking assembly, a steering oil cylinder, a driver cab, an electrical system and a hydraulic system, as well as a front girder-carrying trolley positioned on the front section of the frame, a rear girder-carrying trolley positioned on the rear section of the frame, a front traction system used for driving the front girder-carrying trolley and a rear traction system used for driving the rear girder-carrying trolley, wherein the cross section of the frame is of a U-shaped structure and comprises two main girders and cross girders distributed between the two main girders, and two ends of each cross girder are respectively connected and fixed below the two main girders;
the front section of the frame is provided with two longitudinal beams parallel to the main beam, the two longitudinal beams and the cross beam at the front section of the frame are connected with each other to form a grid structure, the upper top surfaces of the two longitudinal beams are provided with tracks, and the front beam carrying trolley is mounted on the tracks and moves along the tracks under the driving of a front traction system; the rear girder-carrying trolley comprises a rear trolley cross beam, two walking beams and a bearing bracket, wherein the two walking beams are arranged along the direction of the main beams, the two walking beams are respectively fixed at the left end and the right end of the rear trolley cross beam, the bottom of each walking beam is positioned on the walking steps and can move along the walking steps, the bearing bracket is provided with more than one group, the bearing bracket comprises a connecting beam and a bearing beam, the bearing beam is arranged towards the front end of the frame along the horizontal direction, the bearing beam is fixed below the rear trolley cross beam through the connecting beam, the height of the bearing beam is lower than the track surface of the walking steps and higher than that of the cross beam in the frame, and a bearing area for bearing the box girder is arranged in the upper top surface of the bearing beam; the front end and the rear end of each walking beam are connected with a rear traction system, the rear traction systems are provided with two groups, the two groups of rear traction systems are respectively driven correspondingly to the two walking beams, each rear traction system at least comprises a driving motor, a chain wheel and a traction chain, the driving motors and the chain wheels are fixedly installed on the walking beams, two ends of the traction chains are respectively fixed at the front end and the rear end of each walking step on the main beam, and the driving motors drive the chain wheels to rotate, so that the walking beams are further driven to move along the traction chains and the walking steps.
The rear traction system comprises a driving motor, a traction chain, a front lug plate, a rear lug plate, a driving chain wheel, a driven chain wheel, a front fixed chain seat and a rear fixed chain seat, two ends of the traction chain are respectively fixedly connected with the front fixed chain seat and the rear fixed chain seat, the front fixed chain seat and the rear fixed chain seat are respectively fixed at the front end and the rear end of a walking step, the front lug plate and the rear lug plate are respectively connected at the front end and the rear end of a walking beam, the rear lug plate is internally provided with the driving chain wheel and the driven chain wheel which are distributed up and down, the front lug plate is internally provided with the two driven chain wheels which are distributed up and down, an output shaft of the driving motor is connected with the driving chain wheel and drives the driving chain wheel to rotate, the traction chain sequentially penetrates out of the rear lug plate and the front lug plate and is wound into an omega shape together with.
Adjusting rods capable of adjusting the tensioning degree of the traction chain are arranged in the front fixed chain seat and the rear fixed chain seat.
The bottom of the walking beam is fixed with a sliding plate made of engineering plastic alloy and capable of sliding on the walking steps, and pulleys/sliding rails are arranged on the walking steps correspondingly.
And a rubber cushion block is arranged in a bearing area on the bearing beam.
And guide devices are arranged below the left end and the right end of the rear trolley beam, and the distance between each guide device and the side surface of the walking step is 5-15 mm.
Compared with the prior art, the low-position girder transporting vehicle provided by the invention has the following advantages: 1. in the invention, the lower part of the inner side wall between the two main beams is provided with a walking step, then the rear beam-carrying trolley is arranged on the walking step, and the front beam-carrying trolley is still arranged on the lower longitudinal beam, so that the two trolleys respectively have own track and do not share the same track. In addition, the structure of a traction system of the front girder-carrying trolley is kept unchanged and is arranged below the longitudinal beam; the traction system of the rear beam-carrying trolley is changed to be arranged on a walking step, so that the traction systems of the rear beam-carrying trolley and the walking step are respectively positioned on different height planes, and the whole traction chain of the rear beam-carrying trolley is arranged along the main beam, thereby endowing the rear beam-carrying trolley with the capability of widely moving along the main beam of the frame and providing a space for the rear beam-carrying trolley to widely move. 2. The utility model discloses in owing to carry the novel structure of roof beam dolly behind, can effectively reduce the bearing height of bearing case roof beam, hang under the condition that the height reduces, easily transport the roof beam and cross the tunnel. 3. In the invention, because the rear beam-carrying trolley does not need to move on the lower longitudinal beam and only the front beam-carrying trolley needs to move on the lower longitudinal beam in a small range, the length of the lower longitudinal beam can be greatly shortened and the welding area between the lower longitudinal beam and the cross beam is greatly reduced, thereby simplifying the product structure and further reducing the cost.
Drawings
Fig. 1 is a schematic overall structure diagram of a rear beam-carrying trolley used in a beam-transporting vehicle passing through a tunnel;
FIG. 2 is a longitudinal side view of FIG. 1;
FIG. 3 is a longitudinal side view of the frame structure;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a lateral side view of FIG. 3;
FIG. 6 is a schematic structural view of a rear girder-carrying trolley and a rear traction system;
FIG. 7 is a top view of a piggyback trolley;
FIG. 8 is a longitudinal side view of a piggyback trolley;
FIG. 9 is a schematic view of the structure of the slide plate;
FIG. 10 is a top view of the rear traction system configuration;
FIG. 11 is a schematic structural view of a front girder-carrying trolley and a front traction system;
FIG. 12 is a longitudinal side view of a piggyback trolley;
FIG. 13 is a schematic diagram showing the relative positions of a front girder-carrying trolley and a box girder under a tunnel-passing condition;
FIG. 14 is a schematic diagram of the relative positions of a rear beam-carrying trolley and a box beam under a tunnel-passing condition;
FIG. 15 is a schematic diagram of the relative positions of a front beam-carrying trolley and a box beam under a beam feeding condition;
FIG. 16 is a schematic diagram of the relative positions of a rear beam-carrying trolley and a box beam under the working condition of beam feeding;
in the figure: 1 frame, 2-telescopic supporting legs, 3-box girder jacking oil cylinders, 4-suspension traveling assemblies, 5-cab, 6-front girder-carrying trolley, 7-rear girder-carrying trolley, 8-front traction system, 9-rear traction system, 101-main girder, 102-cross beam, 103-traveling step, 104-longitudinal girder, 701-rear trolley cross beam, 702-traveling beam, 703-connecting beam, 704-bearing beam, 705-sliding plate, 706-rubber cushion block, 707-guiding device, 901-driving motor, 902-traction chain, 903-front lug plate, 904-rear lug plate, 905-driving chain wheel, 906-driven chain wheel, 907-front fixed chain seat, 908-rear fixed chain seat and 909-adjusting rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the scope of the present invention is not limited to the following embodiments.
The overall structure of the low-position beam transporting vehicle provided by the invention is shown in fig. 1 and fig. 2, and the low-position beam transporting vehicle comprises a frame 1, a telescopic supporting leg 2, a box girder jacking oil cylinder 3, a suspension walking assembly 4, a steering oil cylinder, a cab 5, an electric system and a hydraulic system which are arranged on the frame, a front beam carrying trolley 6 positioned at the front section of the frame, a rear beam carrying trolley 7 positioned at the rear section of the frame, a front traction system 8 for driving the front beam carrying trolley and a rear traction system 9 for driving the rear beam carrying trolley. The telescopic supporting legs, the box girder jacking oil cylinder, the suspension walking assembly, the steering oil cylinder, the cab, the electric system and the hydraulic system, as well as the front girder-carrying trolley and the front traction system in the components are all conventional components, so the structure of the components is not described in detail in the patent.
The structure of the frame is shown in fig. 3, 4 and 5, the cross section of the frame is a U-shaped structure, the frame comprises two main beams 101 and cross beams 102 distributed between the two main beams, two ends of each cross beam are respectively connected and fixed below the two main beams, the lower part of the inner side wall between the two main beams is provided with a walking step 103 with a step-shaped structure, the front section of the frame is provided with two longitudinal beams 104 parallel to the main beams, the two longitudinal beams and the cross beams at the front section of the frame are connected with each other to form a grid structure, the upper top surfaces of the two longitudinal beams are provided with tracks, and a front girder-carrying trolley is mounted on the tracks and moves along the tracks under the driving of a. The structures of the front pack beam trolley and the front traction system are shown in figures 11 and 12.
The structure of the rear beam-carrying trolley is shown in fig. 6, 7 and 8, and comprises a walking frame and a support bracket, wherein the walking frame comprises a rear trolley cross beam 701 and a walking beam 702, the walking beams are provided with two walking beams which are arranged along the direction of a main beam, the two walking beams are respectively fixed at the left end and the right end of the rear trolley cross beam, the bottom of the walking beam is positioned on a walking step and can move along the walking step, and the front end and the rear end of the walking beam are connected with a rear traction system; the bearing bracket is provided with more than a set of, and the bearing bracket includes tie-beam 703 and bearing beam 704, and the bearing beam sets up towards the frame front end along the horizontal direction, and the bearing beam is fixed in the below of back dolly crossbeam through the tie-beam, and the height of bearing beam is less than walk the height of walking step track face and being higher than crossbeam in the frame, is provided with the bearing region who is used for bearing the case roof beam in the last top surface of bearing beam, rubber cushion block 706 is installed in the bearing region on the bearing beam. A sliding plate 705 made of engineering plastic alloy and capable of sliding on the walking steps is fixed at the bottom of the walking beam, the structure of the sliding plate is shown in fig. 9, and pulleys/sliding rails are correspondingly arranged on the walking steps. Two guide devices 707 are fixed below the left end and the right end of the rear trolley beam, and the distance between each guide device and the side face of the walking step is 5-15 mm.
The structure of the rear traction system is as shown in fig. 6 and 10, the rear traction system is provided with two groups, the two groups of rear traction systems are respectively driven by two walking beams correspondingly, the rear traction system at least comprises a driving motor 901, a chain wheel and a traction chain 902, the driving motor and the chain wheel are fixedly installed on the walking beams, two ends of the traction chain are respectively fixed at the front end and the rear end of the walking step on the main beam, and the driving motor drives the chain wheel to rotate, so that the walking beams are further driven to move along the traction chain and the walking step. Further, the rear traction system comprises a driving motor, a traction chain, a front lug plate 903, a rear lug plate 904, a driving sprocket 905, a driven sprocket 906, a front fixed chain seat 907 and a rear fixed chain seat 908, wherein two ends of the traction chain are respectively fixedly connected with the front fixed chain seat and the rear fixed chain seat, the front fixed chain seat and the rear fixed chain seat are respectively fixed at the front end and the rear end of the walking step, the front lug plate and the rear lug plate are respectively connected at the front end and the rear end of the walking beam, the rear lug plate is internally provided with the driving sprocket and the driven sprocket which are vertically distributed, the front lug plate is internally provided with the two driven sprockets which are vertically distributed, an output shaft of the driving motor is connected with the driving sprocket and drives the driving sprocket to rotate, and the traction chain sequentially penetrates out of the rear lug plate and the front lug plate and is wound into an omega shape together with the sprockets in the rear lug plate and the front lug plate. An adjusting rod 909 capable of adjusting the tensioning degree of the traction chain is arranged in each of the front fixed chain seat and the rear fixed chain seat.
The working process of the low-position girder transporting vehicle provided by the invention is as follows: firstly, placing box girders on a girder transporting vehicle body in a girder yard, and directly hoisting and placing the box girders on a front girder carrying trolley and a rear girder carrying trolley if the box girders do not need to pass through a tunnel when being transported to a bridge girder erection machine, wherein high-position girder transporting is adopted; if the vehicle needs to pass through the tunnel, the front girder-carrying trolley and the rear girder-carrying trolley need to be respectively pulled to the end parts of the vehicle frame, and then the box girder is hoisted and placed on the vehicle frame (as shown in fig. 13 and 14) so as to reduce the overall height and facilitate the transportation through the tunnel. When the girder transporting vehicle transports the girder to the girder feeding position of the bridge girder erection machine, the telescopic supporting legs of the girder transporting vehicle extend and support on the road surface, and the cab rotates by 90 degrees to allow the box girder to pass through.
And secondly, the box girder jacking oil cylinder jacks the box girder, and the front traction system and the rear traction system respectively drive the front girder-carrying trolley and the rear girder-carrying trolley to drive into the bottom of the box girder (as shown in figures 15 and 16), and then the box girder jacking oil cylinder retracts. It should be noted that if the high-position transportation beam is adopted in the first step, the step can be directly omitted.
And thirdly, the front traction system and the rear traction system respectively drive the front beam-carrying trolley and the rear beam-carrying trolley to carry beams forward for a short distance, so that the box beam reaches the beam taking position of the front crane trolley of the bridge girder erection machine.
And fourthly, the lifting appliance of the front trolley of the bridge girder erection machine falls to take the beam, the front trolley and the rear beam carrying trolley are controlled by an electrical system to synchronously move the beam feeding forwards (the rear beam carrying trolley moves forwards for a long distance independently under the drive of a rear traction system) until the box beam reaches the beam taking position of the rear trolley of the bridge girder erection machine. In the invention, firstly, a walking step is arranged at the lower part of the inner side wall between two main beams, and then a rear beam-carrying trolley is arranged on the walking step and does not share the same track with a front beam-carrying trolley. And the traction system of the rear beam-carrying trolley is changed to be arranged on a walking step, so that the traction system and the front traction system are respectively positioned on different height planes, and the traction chain of the rear beam-carrying trolley can be integrally arranged along the main beam, thereby endowing the rear beam-carrying trolley with the capability of widely moving along the main beam of the frame on one hand, and providing a space for the rear beam-carrying trolley to widely move on the other hand. Finally, the operation of the rear beam-carrying trolley in the step is more convenient and flexible, and the moving distance is longer.
Fifthly, after the box girder reaches the position where the trolley is taken out after the bridge girder erection machine, the trolley lifting appliance falls to take out the girder after the bridge girder erection machine, the box girder leaves the girder transporting vehicle, the telescopic supporting legs of the girder transporting vehicle are retracted at the moment, the cab rotates in the reverse direction by 90 degrees, the girder transporting vehicle returns to the girder yard to load the girder, and the next construction cycle is carried out.

Claims (6)

1.一种低位运梁车,至少包括车架以及安装在车架上的伸缩支腿、箱梁顶升油缸、悬挂走行总成、转向油缸、司机室、电气系统和液压系统,以及位于车架前段的前驮梁小车、位于车架后段的后驮梁小车、用于驱动前驮梁小车的前牵引系统和用于驱动后驮梁小车的后牵引系统,所述车架的截面为U型结构,包括两根主梁以及分布在两根主梁之间的横梁,横梁的两端分别连接固定在两根主梁的下方,其特征在于:1. A low-position beam transporting vehicle, comprising at least a frame and telescopic outriggers mounted on the frame, a box girder lifting cylinder, a suspension travel assembly, a steering cylinder, a driver's cab, an electrical system and a hydraulic system, and a front section of the frame. The front piggyback trolley, the rear piggyback trolley located in the rear section of the frame, the front traction system for driving the front piggyback trolley and the rear traction system for driving the rear piggyback trolley, the section of the frame is U-shaped The structure includes two main beams and beams distributed between the two main beams, and the two ends of the beams are respectively connected and fixed below the two main beams, and is characterized in that: 所述车架的前段设置有与主梁相平行的两根纵梁,两根纵梁与车架前段的横梁相互连接呈网格状结构,两根纵梁的上顶面设置有轨道,前驮梁小车安装于轨道上并在前牵引系统的驱动下沿轨道移动;两根主梁之间的内侧壁的下部设置有台阶状结构的走行台阶,后驮梁小车包括后小车横梁、行走梁、承托架,行走梁设置有两个且行走梁沿主梁方向设置,两个行走梁分别固定于后小车横梁的左右两端,行走梁的底部位于走行台阶上并能够沿走行台阶移动,所述承托架设置有一组以上,承托架包括连接梁和承托梁,承托梁沿水平方向朝车架前端设置,承托梁通过连接梁固定于后小车横梁的下方,且低于走行台阶轨道面且高于车架中横梁的高度,承托梁的上顶面中设置有用于承托箱梁的承托区域;行走梁的前后两端与后牵引系统相连,所述后牵引系统设置有两组,两组后牵引系统分别与两根行走梁相对应驱动,所述后牵引系统中至少包括驱动电机、链轮和牵引链条,驱动电机以及链轮均与行走梁安装固定,牵引链条的两端分别固定于主梁上所述走行台阶的前后两端处,驱动电机驱动链轮转动,从而进一步驱动行走梁沿着牵引链条以及走行台阶移动。The front section of the frame is provided with two longitudinal beams that are parallel to the main beam, the two longitudinal beams and the cross beam of the front section of the frame are connected to each other in a grid-like structure, and the upper top surfaces of the two longitudinal beams are provided with tracks, and the front The piggyback trolley is installed on the track and moves along the track under the drive of the front traction system; the lower part of the inner side wall between the two main beams is provided with a walking step with a stepped structure, and the rear piggyback trolley includes the rear trolley beam and the walking beam. , Bearing bracket, the walking beam is provided with two and the walking beam is arranged along the direction of the main beam, the two walking beams are respectively fixed on the left and right ends of the rear trolley beam, and the bottom of the walking beam is located on the walking step and can move along the walking step, The bearing bracket is provided with more than one group, the bearing bracket includes a connecting beam and a bearing beam, the bearing beam is arranged toward the front end of the frame along the horizontal direction, and the bearing beam is fixed under the cross beam of the rear trolley through the connecting beam, and is lower than the walking step. The track surface is higher than the height of the beam in the frame, and the upper top surface of the supporting beam is provided with a supporting area for supporting the box beam; the front and rear ends of the walking beam are connected with the rear traction system, and the rear traction system is provided with There are two groups. The rear traction systems of the two groups are driven correspondingly to the two walking beams. The rear traction system at least includes a driving motor, a sprocket and a traction chain. The two ends of the walking beam are respectively fixed at the front and rear ends of the walking steps on the main beam, and the driving motor drives the sprocket to rotate, thereby further driving the walking beam to move along the traction chain and the walking steps. 2.根据权利要求1所述的低位运梁车,其特征在于:所述后牵引系统包括驱动电机、牵引链条、前耳板、后耳板、主动链轮、从动链轮以及前固链座和后固链座,牵引链条的两端分别与前固链座和后固链座固定连接,前固链座和后固链座分别固定于走行台阶的前后两端处,前耳板和后耳板分别连接于行走梁的前后两端处,后耳板中安装有上下分布的一个主动链轮和一个从动链轮,前耳板中安装有上下分布的两个从动链轮,驱动电机的输出轴与主动链轮连接并驱动主动链轮旋转,牵引链条依次从后耳板和前耳板中穿出,并与后耳板和前耳板中的链轮绕成Ω形。2. The low-position beam transport vehicle according to claim 1, wherein the rear traction system comprises a drive motor, a traction chain, a front ear plate, a rear ear plate, a driving sprocket, a driven sprocket and a front fixing chain The two ends of the traction chain are fixedly connected to the front and rear chain fixing seats respectively, and the front and rear chain fixing seats are respectively fixed at the front and rear ends of the walking steps. The front lugs and The rear lugs are respectively connected to the front and rear ends of the walking beam, a driving sprocket and a driven sprocket are installed in the rear ear, and two driven sprockets are installed in the front ear. The output shaft of the driving motor is connected with the driving sprocket and drives the driving sprocket to rotate. The traction chain passes through the rear ear plate and the front ear plate in turn, and is wound with the chain wheel in the rear ear plate and the front ear plate in an omega shape. 3.根据权利要求2所述的低位运梁车,其特征在于:所述前固链座和后固链座中均设置有能够调节牵引链条张紧程度的调节杆。3 . The low-position beam transporting vehicle according to claim 2 , wherein the front chain fixing seat and the rear chain fixing seat are both provided with adjustment rods capable of adjusting the tension of the traction chain. 4 . 4.根据权利要求1所述低位运梁车,其特征在于:所述行走梁的底部固定有能够在走行台阶滑动的工程塑料合金材质的滑板,与之对应的在走行台阶上设置有滑轮/滑轨。4. The low-position beam transport vehicle according to claim 1, wherein the bottom of the walking beam is fixed with a sliding plate made of an engineering plastic alloy material that can slide on the walking steps, and correspondingly, a pulley/wheel is provided on the walking steps. rails. 5.根据权利要求1所述低位运梁车,其特征在于:所述承托梁上的承托区域安装有橡胶垫块。5 . The low-position beam transport vehicle according to claim 1 , wherein a rubber pad is installed in the supporting area on the supporting beam. 6 . 6.根据权利要求1所述低位运梁车,其特征在于:所述后小车横梁左右两端的下方设置有导向装置,所述导向装置与走行台阶侧面之间的间距为5~15mm。6 . The low-position beam transporter according to claim 1 , wherein guide devices are provided below the left and right ends of the rear trolley beam, and the distance between the guide device and the side surface of the walking step is 5-15 mm. 7 .
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Denomination of invention: A low-level beam transport vehicle

Granted publication date: 20210924

Pledgee: Bank of China Limited Xiangyang Branch

Pledgor: CHINA RAILWAY 11 BUREAU HANJIANG HEAVY INDUSTRY CO.,LTD.

Registration number: Y2024980046885