CN212389345U

CN212389345U - Self-propelled multifunctional trolley for shield tunnel

Info

Publication number: CN212389345U
Application number: CN202021147900.6U
Authority: CN
Inventors: 邱刚; 唐海斌; 刘吉东; 刘卫文; 罗有卿; 陈玉成; 朱虎标; 田涛; 张辉
Original assignee: China Railway Tunnel Group Co Ltd CRTG
Current assignee: China Railway Tunnel Group Co Ltd CRTG
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-22
Anticipated expiration: 2030-06-19

Abstract

The utility model belongs to the field of tunnel maintenance and transportation equipment, in particular to a self-propelled multifunctional trolley for a shield tunnel, which comprises a trolley body, walking wheels and a driving mechanism for driving the walking wheels to walk, wherein the axial direction of the trolley body extends along the axial direction of the tunnel, the cross section of the trolley body is a U-shaped structure with a downward opening, the trolley body strides across a transportation battery car in the tunnel, the front end and the rear end of the trolley body are respectively and correspondingly provided with a steering mechanism for controlling the steering of the walking wheels, two sides of the bottom of the trolley body are respectively provided with a hydraulic telescopic mechanism, the trolley body can be lifted up and down under the action of the hydraulic telescopic mechanism to enable the walking wheels to leave or contact the ground, the top of the trolley body is provided with an upper platform for carrying substances, the central position of the upper platform is provided with a lifting mechanism for lifting and lifting the materials, the multifunctional trolley is convenient to operate, can realize multiple purposes, improves the efficiency and reduces the cost.

Description

Self-propelled multifunctional trolley for shield tunnel

Technical Field

The utility model belongs to tunnel maintenance and transportation equipment field specifically discloses a shield tunnel self-propelled multifunctional trolley.

Background

The shield constructs the tunnelling and passes through the back, forms annular tunnel, and because the tunnel inner space is narrow and small, conventional transport means is shield tunnel transportation storage battery railcar, and other transport vechicles can't get into, lead to having some problems in the construction in-process in tunnel and the tunnel use, for example: in the tunnel construction process, on one hand, measurement equipment, secondary grouting equipment and materials enter the tunnel and need manual transportation or transportation by means of a storage battery transport vehicle, the transportation progress is slow, in the storage battery transport vehicle transportation process, due to the reason that the storage battery transport vehicle track is fixed or the storage battery transport vehicle is loaded in a shield tunnel, the storage battery transport vehicle derails when the transportation track deforms seriously, when the storage battery transport vehicle resets after derailing, an operator needs to install equipment such as a jack to jack, the transportation equipment and the lifting work all need to be completed manually, the labor intensity is high, the time consumption is long, the construction period is delayed, on the other hand, when the operation such as measurement and maintenance is carried out at the bottom of the tunnel, the storage battery vehicle passes through, all the personnel and the equipment can stand on one side of the tunnel to avoid risks, and the risk that the storage battery vehicle damages the personnel; when needing to overhaul in the tunnel use, the operation of ascending a height in the tunnel of normal condition needs to install simple and easy maintenance rack, the maintenance rack removes and needs the manual work to carry out or remove with the help of the storage battery transport vechicle, current maintenance rack change position difficulty, and because the shield tunnel section is circular, the maintenance rack is fixed needs the fixed slot steel track of the elder generation in the tunnel bottom in the tunnel, then place the maintenance rack on the track, it needs manual work on the section of jurisdiction to punch to set up the track, there is certain damage to the tunnel section of jurisdiction.

Disclosure of Invention

In order to solve the problem in the background art, the utility model discloses a shield tunnel self-propelled multifunctional trolley, automobile body stride transport storage battery car in the tunnel, including upper portion platform, maintenance platform and hydraulic telescoping mechanism, make things convenient for the transportation of goods and materials, carry and hang and personnel keep away the danger, still can be used as the maintenance rack simultaneously.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a self-propelled multifunctional trolley for a shield tunnel comprises a trolley body, travelling wheels, a driving mechanism for driving the travelling wheels to travel, a steering mechanism, a hydraulic telescopic mechanism, a control mechanism and a power mechanism, wherein the steering mechanism, the hydraulic telescopic mechanism, the control mechanism and the power mechanism are arranged on the trolley body, the axial direction of the trolley body extends along the axial direction of the tunnel, the cross section of the trolley body is a U-shaped structure with a downward opening, the trolley body crosses over a transport battery trolley in the tunnel and does not interfere with the passing of the transport battery trolley in the tunnel, the steering mechanism for controlling the travelling wheels to steer is respectively arranged at the front end and the rear end of the trolley body, the hydraulic telescopic mechanisms are respectively arranged at the two sides of the bottom of the trolley body, the trolley body can lift under the action of the hydraulic telescopic mechanisms to enable the travelling wheels to leave or contact the ground, an upper platform for carrying materials is arranged at the top, the power mechanism provides power for the driving mechanism, the steering mechanism, the control mechanism and the hydraulic telescopic mechanism.

Further, the vehicle body comprises a U-shaped frame, an upper platform and an overhauling platform, an opening of the U-shaped frame crosses over the storage battery vehicle in the tunnel downwards, the upper platform for carrying substances is arranged at the top of the U-shaped frame, and the overhauling platforms are respectively arranged on the outer sides of the side walls of the U-shaped frame.

Further, the U-shaped frame corresponds the crossbeam that sets up between U-shaped structure stand that the interval set up and the adjacent stand around including, and the stand includes front column, middle standing pillar, back stand, and the crossbeam includes entablature and bottom end rail that the interval set up from top to bottom, corresponds respectively in the below of tip under front column and back stand and is provided with opening U-shaped walking wheel frame down, walking wheel frame top rotates through steering wheel and the front column that corresponds or back stand lower tip respectively and is connected, the walking wheel frame rotates through the shaft that sets up between its opposite face and walking wheel to be connected, and walking wheel frame top is connected with steering mechanism, and the walking wheel frame can drive the walking wheel under steering mechanism's effect and rotate around the center of steering wheel.

Furthermore, the steering mechanism comprises a direction control mechanism and a force transmission mechanism, the direction control mechanism comprises a direction control rotating shaft A, a direction control rotating shaft B, a direction control rod and a locking device, the force transmission mechanism comprises a driving steering plate, a force transmission vertical rod A, a steering wheel, a force transmission plate, a driven steering plate, a force transmission vertical rod B and steering arms, the front part of the front upright post and the rear part of the rear upright post are respectively provided with the horizontally arranged force transmission plate, the left end and the right end of the force transmission plate are correspondingly penetrated with the vertically arranged force transmission vertical rod A and the vertically arranged force transmission vertical rod B, the lower ends of the force transmission vertical rod A and the force transmission vertical rod B are respectively hinged with corresponding walking wheel frames through the horizontally arranged steering arms, the upper end of the force transmission vertical rod A is connected with one end of the driving steering plate, the other end of the driving steering plate is rotatably connected with the vertically arranged direction control rotating shaft A, the direction control rod of vertical setting wears to be equipped with at the middle part of initiative steering panel, direction control rod lower extreme passes behind the initiative steering panel and is connected with the entablature is articulated, it has rectangular shape movable groove to open along its width direction on the initiative steering panel, direction control rod can be at the activity inslot horizontal hunting, still be provided with the wobbling lockplate of restriction direction control rod near on direction control rod position, the lockplate is connected with the initiative steering panel is articulated, the vertical setting of lockplate just is equipped with at the lockplate free end with direction control rod assorted draw-in groove, the lockplate 90 degrees draw-in grooves of upset downwards lock the direction control rod, the lockplate upset is controlled by motor, pass power montant B's upper end and be connected with the one end of driven steering panel, the other end and the vertical direction control pivot B rotation that sets up of driven steering panel are connected, direction control pivot B.

Furthermore, a lifting hole is formed in the middle of the upper platform, a movable lifting mechanism is arranged above the lifting hole and comprises a lifting frame and a lifting device, the lower end of the lifting frame is movably connected with the edge of the lifting hole, the lifting frame can move left and right relative to the lifting hole, the lifting device is movably connected to the upper end of the lifting frame and can move front and back relative to the lifting hole, and the lifting device is a chain block or a pulley block for lifting.

Furthermore, the front end and the rear end of the lower cross beam are respectively and correspondingly provided with a hydraulic telescopic mechanism, the hydraulic telescopic mechanism comprises a hydraulic cylinder, a fixed arm, a telescopic arm, a supporting leg, a supporting shaft, a rotating shaft, a movable shaft and a supporting leg rotating shaft, the supporting shaft, the rotating shaft, the movable shaft and the supporting leg rotating shaft are sequentially arranged in parallel at intervals from top to bottom, the fixed arm is two vertical bars which are arranged at intervals from front to back, the telescopic arm is two movable rods which are arranged between the two vertical bars at intervals from front to back, two ends of the supporting shaft correspondingly penetrate through the upper ends of the two vertical bars, two ends of the rotating shaft correspondingly penetrate through the lower ends of the two vertical bars, two ends of the movable shaft and the supporting leg rotating shaft respectively penetrate through the two movable rods, the upper ends of the movable rods are hinged with the lower ends of the vertical bars through the, the cylinder body of pneumatic cylinder is connected with the back shaft is articulated, and the flexible end and the loose axle of pneumatic cylinder are articulated to be connected, and the pneumatic cylinder is flexible to drive the movable rod and straightens or crooked, and the movable rod straightens or crooked messenger automobile body lift walking wheel and leaves or contact ground.

Furthermore, driving positions are respectively arranged at the positions, close to the direction control rods, of the front end and the rear end of the upper platform, display screens are respectively arranged at the driving positions, a plurality of cameras are respectively arranged at the front end and the rear end of the vehicle body and on the two sides of the vehicle body, and the cameras transmit collected rail position information to the display screens through data transmission lines in real time to display the rail position information.

Furthermore, the trolley is a four-wheel direct current drive trolley which adopts a storage battery to supply power to drive the travelling wheels to travel by low-voltage direct current power.

Furthermore, vertical ladders for overhauling the platforms from top to bottom are respectively arranged below two sides of the trolley, an inclined ladder is arranged between the overhauling platform and the upper platform, and a steel grating is paved on the upper platform.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a car body of the self-propelled multifunctional trolley strides across the transport battery car in the tunnel, does not hinder the passage of transport battery car in the tunnel, including upper portion platform, maintenance platform, lifting mechanism and hydraulic telescoping mechanism, the upper portion platform can be used for transporting grouting equipment or material, reduces intensity of labour, improves and transports efficiency; the maintenance platform is convenient for operation workers to perform operations such as measurement, maintenance and the like at the bottom of the tunnel, and when the maintenance platform meets the battery car, danger can be avoided by means of the maintenance platform, so that personnel are prevented from being injured; the trolley is an inspection rack capable of moving automatically, the hydraulic telescopic mechanism is arranged to ensure that the trolley can be freely switched between a fixed mode and a self-moving mode, and the tunnel can be conveniently inspected, inspected and measured by using the trolley; meanwhile, the trolley can be used as a hoisting rack, after the transportation track is deformed to cause the battery car to derail, the trolley lifting mechanism is used as an overhauling lifting frame to reset the battery car, and the track carriage is lifted and the operation such as homing is assisted.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of a steering mechanism in the present invention;

FIG. 4 is a schematic structural view of a hydraulic telescoping mechanism of the present invention;

fig. 5 is a schematic structural view of the movable hoisting frame of the utility model;

fig. 6 is a schematic view of the working state of the present invention;

in the above figures: 1-an upper platform; 1.1-steel grating; 1.2-hanging the object hole; 2-lifting and hanging the mechanism; 2.1-a slide block; 2.2-hoisting device; 2.3-hoisting frame; 2.4-guide wheel; 2.5-guide groove; 3-driving position; 4-a direction control mechanism; 4.1-direction control lever; 4.2-locking plate; 4.3-direction control rotation axis A; 4.4-direction control axis of rotation B; 5-upright column; 6-a cross beam; 7-a force transfer mechanism; 7.1-active steering plate; 7.2-force transmission vertical rod A; 7.3-steering wheel; 7.4-traveling wheel frame; 7.5-driven deflector; 7.6-force transmission plate; 7.7-force transmission vertical bar B; 7.8-steering arm; 8-walking wheels; 9-a hydraulic telescoping mechanism; 9.1-fixed arm; 9.2-hydraulic cylinder; 9.3-telescopic arm; 9.4-supporting feet; 9.5-supporting the shaft; 9.6-rotating shaft; 9.7-movable shaft; 9.8-supporting the foot rotating shaft; 10-maintenance of the platform; 11-a vertical ladder; 12-an inclined ladder; 13-transporting the battery car; 14-a tunnel; 15-ventilating pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The self-propelled multifunctional trolley for shield tunnel of the utility model is explained in detail by combining with the attached drawings 1-6, which comprises a trolley body, a walking wheel 8 and a driving mechanism for driving the walking wheel 8 to walk, and also comprises a steering mechanism arranged on the trolley body, a hydraulic telescopic mechanism 9, a lifting mechanism 2, a control mechanism and a power mechanism, wherein the axial direction of the trolley body extends along the axial direction of the tunnel, the cross section of the trolley body is a U-shaped structure with a downward opening, when the trolley walks in the tunnel, the trolley body crosses over a transport battery car 13 in the tunnel without obstructing the passing of the transport battery car 13, the steering mechanisms for controlling the walking wheel 8 to turn are respectively and correspondingly arranged at the front end and the rear end of the trolley body, the hydraulic telescopic mechanisms 9 are respectively arranged at the two sides of the bottom of the trolley body, the trolley body can be lifted up and down under the action of the, the center of the upper platform 1 is provided with a lifting mechanism 2 for lifting materials, the control mechanism controls the driving mechanism, the steering mechanism, the hydraulic telescopic mechanism 9 and the lifting mechanism 2 to perform actions, the control cabinet of the control mechanism is installed on the maintenance platform 10 on one side to facilitate operation and maintenance, and the power mechanism provides power for the driving mechanism, the steering mechanism, the control mechanism, the hydraulic telescopic mechanism 9 and the lifting mechanism 2.

The car body includes U-shaped frame, upper portion platform 1 and overhauls platform 10, and U-shaped frame opening strides across transport storage battery car 13 in the tunnel downwards, is equipped with the upper portion platform 1 that carries the material at the top of U-shaped frame, is provided with respectively in the outside of U-shaped frame lateral wall and overhauls platform 10.

The U-shaped frame includes that the U-shaped structure stand 5 that a plurality of front and back intervals set up and the crossbeam 6 that corresponds the setting between the adjacent stand 5, and stand 5 includes front column, middle standing pillar, back post, and crossbeam 6 includes entablature and bottom end rail that upper and lower interval set up, corresponds respectively in the below of front column and back stand tip and is provided with opening U-shaped walking wheel frame 7.4 down, walking wheel frame 7.4 top is connected through steering wheel 7.3 and the tip rotation under corresponding front column or the back stand respectively, walking wheel frame 7.4 rotates with walking wheel 8 through the shaft that sets up between its opposite face and is connected, and walking wheel frame 7.4 top is connected with steering mechanism, and walking wheel frame 7.4 can drive walking wheel 8 under steering mechanism's effect and rotate around steering wheel 7.3's center.

The steering mechanism comprises a direction control mechanism 4 and a force transmission mechanism 7, the direction control mechanism 4 comprises a direction control rotating shaft A4.3, a direction control rotating shaft B4.4, a direction control rod 4.1 and a locking device, the force transmission mechanism 7 comprises a driving steering plate 7.1, a force transmission vertical rod A7.2, a steering wheel 7.3, a force transmission plate 7.6, a driven steering plate 7.5, a force transmission vertical rod B7.7 and a steering arm 7.8, the front part of the front upright post and the rear part of the rear upright post are respectively provided with a horizontally arranged force transmission plate 7.6, the left end and the right end of the force transmission plate 7.6 are correspondingly penetrated with the vertically arranged force transmission vertical rod A7.2 and the vertically arranged force transmission vertical rod B7.7, the lower ends of the force transmission vertical rod A7.2 and the force transmission vertical rod B7.7 are respectively hinged and connected with a corresponding walking wheel frame 7.4 through the horizontally arranged steering arm 7.8, the upper end of the driving steering plate A7.2 is connected with one end of the driving steering plate 7.1, the other end of the driving steering plate 7.1 is connected with the vertically arranged direction control rotating shaft A4, a direction control rod 4.1 which is vertically arranged is arranged in the middle of the active steering plate 7.1 in a penetrating way, the lower end of the direction control rod 4.1 passes through the active steering plate 7.1 and then is connected with the upper beam in a hinged way, a strip-shaped movable groove is arranged on the active steering plate 7.1 along the width direction thereof, the direction control rod 4.1 can swing left and right in the movable groove, the central line of the width direction of the movable groove and the swing direction of the direction control rod 4.1 are on the same straight line, a locking device for limiting the swing of the direction control rod 4.1 is further arranged at a position close to the direction control rod 4.1, the upper end of a force transmission vertical rod B7.7 is connected with one end of a driven steering plate 7.5, the other end of the driven steering plate 7.5 is rotatably connected with a vertically arranged direction control rotating shaft B4.4, the lower end of the direction control rotating shaft B4.4 is fixedly connected with a right upper cross beam 6, and the central lines of the direction control rotating shaft A4.3 and the direction control rotating shaft B4.4 and the central line of a steering wheel 7.3 corresponding to the lower part of the direction control rotating shaft A4.3 are on the same straight line.

Locking device includes lockplate 4.2 with the articulated connection of initiative steering panel 7.1, lockplate 4.2 is vertical to be set up and be equipped with at lockplate 4.2 front end with direction control pole 4.1 assorted draw-in groove, lockplate 4.2 upset 90 degrees are set level back draw-in groove and are locked direction control pole 4.1, direction control pole 4.1 can't horizontal hunting after the locking, and then realize 8 locking that turn to the function with the walking wheel of same end, direction control pole 4.1 unblock when lockplate 4.2 upset 90 degrees are vertical sets up, direction control pole 4.1 can horizontal hunting after the unblock is decided, and then realize turning to the unblock of function with the walking wheel 8 of same end, lockplate 4.2 upset is by motor control.

The steering mechanism works as follows: the direction control rod 4.1 swings leftwards, the position of the upper platform 1, corresponding to the upper crossbeam, of the direction control rod 4.1 serves as a fulcrum, the active steering plate 7.1 is driven to rotate anticlockwise by taking the direction control rotating shaft A4.3 as a center by a lever principle, the direction control rotating shaft A4.3 rotates anticlockwise to drive the whole formed by the force transmission vertical rod A7.2, the steering arm 7.8 and the corresponding walking wheel frame 7.4 to rotate anticlockwise by taking the control rotating shaft A4.3 as a center, the force transmission vertical rod A7.2 applies a leftward pulling force to the force transmission plate 7.6, and further drives the whole formed by the force transmission vertical rod B7.7 on the other side of the force transmission plate 7.6, the driven steering plate 7.5, the steering arm 7.8 and the corresponding walking wheel frame 7.4 to rotate around the direction control rotating shaft B4.4 as a center synchronously, and finally the two walking wheels 8 of the control trolley turn; similarly, when the direction control rod 4.1 swings to the right, two walking wheels 8 of the trolley can be controlled to synchronously turn right, the direction control rod 4.1 is a rocker type direction control rod, direction steering can only swing left and right within a range of +/-3 degrees, the stability of steering of the trolley body is ensured, when the steering function of the walking wheels 8 needs to be locked, the locking plate 4.2 overturns downwards for 90-degree clamping grooves to clamp and lock the direction control rod 4.1, the direction control rod 4.1 cannot swing left and right after being locked, the walking wheels 8 cannot also steer, the walking wheels 8 at the front end of the trolley body are in a group, the walking wheels 8 at the rear end of the trolley body are in a group, each group of walking wheels 8 can synchronously walk and synchronously steer, each group of walking wheels 8 is respectively and correspondingly provided with a steering mechanism, the trolley can walk in two directions, the steering function of the walking wheels 8 in the front.

The middle part of the upper platform 1 is provided with a lifting hole 1.2, the edge of the lifting hole 1.2 is provided with a guide groove 2.5 which is concave downwards, a movable lifting mechanism 2 is arranged above the lifting hole 1.2, the lifting mechanism 2 comprises a lifting frame 2.3 and a lifting device 2.2, the lower end of the lifting frame 2.3 is provided with a guide wheel 2.4 which is matched with the guide groove 2.5, the lower end of the lifting frame 2.3 is movably connected with the edge of the lifting hole 1.2, the lifting frame 2.3 can move left and right relative to the lifting hole 1.2, the upper end of the lifting frame 2.3 is vertically provided with a slide rail in the direction of the guide groove 2.5, the slide rail is slidably connected with a slide block 2.1, the upper end of the lifting frame 2.3 is also movably connected with the lifting device 2.2 through the slide block 2.1, the lifting device 2.2 can move back and forth relative to the lifting hole 1.2, the lifting device 2.2 is a pulley block or a pulley block for lifting, and a hoist can be connected between the lower end of the lifting frame 2.3 and the edge in a movable mode through other hoisting devices, the movable connection mode is that prior art is no longer repeated here, preferably be equipped with two portable lifting mechanism 2 collaborative work that lift in the interval of the top of hanging thing hole 1.2, this platform truck can regard as the jack-up platform frame, overhaul partial equipment in the tunnel, if the railcar breaks down, can utilize this platform frame as overhauing and lifting frame, promote the railway carriage and assist its operation such as playback, air pipe 15 is on tunnel 14 upper portion in tunnel 14, two lifting mechanism 2 set up respectively in the both sides of air pipe 15, dodge this air pipe 15.

The front end and the rear end of the lower cross beam are respectively and correspondingly provided with a hydraulic telescopic mechanism 9, the hydraulic telescopic mechanism 9 comprises a hydraulic cylinder 9.2, a fixed arm 9.1, a telescopic arm 9.3, a supporting leg 9.4, a supporting shaft 9.5, a rotating shaft 9.6, a movable shaft 9.7 and a supporting leg rotating shaft 9.8 which are sequentially arranged in parallel from top to bottom at intervals, the fixed arm 9.1 is two vertical bars which are arranged at intervals from front to back, the telescopic arm 9.3 is two movable rods which are arranged between the two vertical bars at intervals from front to back, two ends of the supporting shaft 9.5 are correspondingly penetrated through the upper ends of the two vertical bars, two ends of the rotating shaft 9.6 are correspondingly penetrated through the lower ends of the two vertical bars after correspondingly penetrating through the upper ends of the two movable rods, two ends of the movable shaft 9.7 and the supporting leg 9.8 are respectively penetrated through the two movable rods, the upper ends of the movable rods are hinged and connected with the lower ends of the vertical bars through the rotating shaft 9.6, the upper ends of, a hydraulic cylinder 9.2 is arranged between a support shaft 9.5 and a movable shaft 9.7, the cylinder body of the hydraulic cylinder 9.2 is hinged with the support shaft 9.5, the telescopic end of the hydraulic cylinder 9.2 is hinged with the movable shaft 9.7, the hydraulic cylinder 9.2 is telescopic to drive a movable rod to be straightened or bent, the movable rod is straightened or bent to enable a vehicle body lifting travelling wheel 8 to leave or contact the ground, when the tunnel is constructed and used in a climbing operation and a maintenance rack is needed, the telescopic end of the hydraulic cylinder 9.2 is extended to drive the movable rod to be straightened, the vertical distance between the support shaft 9.5 and the movable shaft 9.7 after the movable rod is straightened is lengthened, a support leg 9.4 is in contact with the ground, the vehicle body height lifting travelling wheel 8 is not in contact with the ground, the position of the trolley is fixed trolley, the fixed trolley is converted into a fixed rack; when the maintenance rack needs to be removed, pneumatic cylinder 9.2 shrink drives the movable rod crooked, the perpendicular interval length between 9.5 of supporting axle and the loose axle 9.7 shortens supporting legs 9.4 and does not contact with ground after the movable rod is crooked, hydraulic telescoping mechanism 9 is folded and is gone up the automobile body height decline on the platform truck, walking wheel 8 contacts ground, through 8 walks and the removal platform truck that can be very convenient of walking wheel, through 9 platform trucks of hydraulic telescoping mechanism can be very convenient freely switch between removal and fixed mode.

The trolley is a four-wheel direct current driven trolley which adopts a storage battery to supply power and drives a low-voltage direct current electric power to drive a travelling wheel 8 to travel, driving positions 3 are respectively arranged at the positions, close to a direction control rod 4.1, of the front end and the rear end of an upper platform 1, the trolley can travel in two directions, an operator can operate the trolley to move forward at the driving positions 3 in different directions, a display screen is respectively arranged at the driving positions 3, a plurality of cameras are respectively arranged at the front end and the rear end of the trolley body and two sides of the trolley body, the cameras transmit acquired track position information to the display screen in real time through data transmission lines to display, the display screen displays the position deviation of a trolley central line relative to a track central line, the driver adjusts the running direction of the trolley according to the track position display on the display screen to ensure that the trolley central line and the track central line are within a deviation allowable range, and the driver operates a steering control rod, the tunnel inner space is narrow and small, and the skew track central line of platform truck exceeds 200mm distance, and the automatic parking of platform truck ensures that the platform truck position does not influence the operation of shield structure transportation storage battery car, ensures simultaneously that the platform truck does not touch the fixed object in tunnel both sides, and this technique has solved the relative position problem of platform truck and shield structure transportation storage battery car 13, ensures this platform truck and shield structure transportation storage battery car 13 each other does not influence.

The vertical ladder 11 that overhauls platform 10 about being equipped with respectively in the below of platform truck both sides, set up inclined ladder 12 between overhauing platform 10 and upper portion platform 1, it is equipped with steel grating 1.1 to lay on upper portion platform 1, operating personnel can climb on through vertical ladder 11 and overhaul platform 10, when the shield constructs the transport vechicle and passes through, the operation workman keeps away the danger on overhauing platform 10, the operation workman can stand and overhaul the tunnel side on lower floor overhauls platform 10, the operation workman can overhaul upper portion platform 1 to the upper strata from lower floor's overhaul platform 10 through inclined ladder 12, overhaul tunnel 14 upper portion on upper portion platform 1.

The working process of the utility model is as follows:

when the utility model is implemented, the utility model discloses the automobile body of platform truck strides over transportation storage battery car 13 in the tunnel, platform truck and transportation storage battery car 13 can pass through each other noninterference simultaneously, the upper portion platform 1 of platform truck can be used for transporting goods and materials, equipment, thick liquids, overhaul platform 10 and regard as the platform of keeping away the danger, meet urgent danger of keeping away when transporting storage battery car 13 in the convenient operating process of operating personnel, operating personnel is on upper portion platform 1 and overhaul platform 10 simultaneously, can be convenient overhaul and measure tunnel 14's lateral wall, top, when needing the platform truck position to fix, pneumatic cylinder 9.2 telescopic end extends and makes supporting legs 9.4 contact with ground, walking wheel 8 does not contact ground, the platform truck position is fixed, it changes into fixed rack to fix the platform truck, accomplish the operation of ascending a height with the help of the platform truck; when the maintenance rack needs to be removed, pneumatic cylinder 9.2 shrink supporting legs 9.4 do not contact with ground, hydraulic telescoping mechanism 9 is folded on the platform truck, 8 contact ground of walking wheel, through 8 walking of walking wheel with can be very convenient moving trolley, can be very convenient freely switch between removal and fixed mode through 9 platform trucks of hydraulic telescoping mechanism, need lift by crane through hoisting mechanism 2 can be convenient when goods and materials, this platform truck function is various, and convenient for operation can realize that one car is multi-purpose, and the efficiency is improved, and the cost is reduced.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of description of the present invention and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the present invention should not be construed as being limited thereto, and it should be noted that the terms "mounted" and "connected" should be interpreted broadly, for example, as being able to be fixedly connected, detachably connected, or integrally formed, mechanically connected, or indirectly connected through an intermediate medium, and the specific meaning of the terms in the present application can be understood through specific situations.

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 attributes 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a shield tunnel self-propelled multifunctional trolley, includes the actuating mechanism of automobile body, walking wheel and the walking of driven wheels, characterized by: the electric vehicle is characterized by further comprising a steering mechanism arranged on the vehicle body, a hydraulic telescopic mechanism, a lifting mechanism, a control mechanism and a power mechanism, wherein the axial direction of the vehicle body extends along the axial direction of the tunnel, the cross section of the vehicle body is of a U-shaped structure with a downward opening, the vehicle body crosses over the transport battery car in the tunnel and does not interfere with the passing of the transport battery car, the steering mechanism used for controlling the steering of the walking wheels is correspondingly arranged at the front end and the rear end of the vehicle body respectively, the hydraulic telescopic mechanism is arranged on two sides of the bottom of the vehicle body respectively, the vehicle body can lift to enable the walking wheels to leave or contact the ground under the action of the hydraulic telescopic mechanism, an upper platform used for carrying materials is arranged at the top of the vehicle body, the control mechanism controls the driving mechanism, the.

2. The self-propelled multifunctional trolley for the shield tunnel according to claim 1, which is characterized in that: the car body includes U-shaped frame, upper portion platform and overhauls the platform, and U-shaped frame opening strides across the interior transportation storage battery car of tunnel downwards, is equipped with the upper portion platform of carrying the material at the top of U-shaped frame, is provided with the maintenance platform respectively in the outside of U-shaped frame lateral wall.

3. The self-propelled multifunctional trolley for the shield tunnel according to claim 2, which is characterized in that: the U-shaped frame corresponds the crossbeam that sets up between U-shaped structure stand that the interval set up and the adjacent stand around including, and the stand includes front column, middle standing pillar, rear column, and the crossbeam includes entablature and bottom end rail that the interval set up from top to bottom, corresponds respectively in the below of tip under front column and rear column and is provided with opening U-shaped walking wheel frame down, walking wheel frame top rotates through the tip under steering wheel and the front column or the rear column that correspond respectively and is connected, the walking wheel frame rotates through the shaft that sets up between its opposite face and walking wheel to be connected, and walking wheel frame top is connected with steering mechanism, and walking wheel frame can drive the walking wheel under steering mechanism's effect and rotate around the center of steering wheel.

4. The self-propelled multifunctional trolley for the shield tunnel according to claim 3, wherein the self-propelled multifunctional trolley comprises: the steering mechanism comprises a direction control mechanism and a force transmission mechanism, the direction control mechanism comprises a direction control rotating shaft A, a direction control rotating shaft B, a direction control rod and a locking plate, the force transmission mechanism comprises a driving steering plate, a force transmission vertical rod A, a steering wheel, a force transmission plate, a driven steering plate, a force transmission vertical rod B and steering arms, the force transmission plate is horizontally arranged in front of the front upright post and behind the rear upright post respectively, the force transmission vertical rod A and the force transmission vertical rod B which are vertically arranged are correspondingly arranged at the left end and the right end of the force transmission plate in a penetrating way, the lower ends of the force transmission vertical rod A and the force transmission vertical rod B are respectively hinged and connected with corresponding walking wheel frames through the horizontally arranged steering arms, the upper end of the force transmission vertical rod A is connected with one end of the driving steering plate, the other end of the driving steering plate is rotatably connected with the vertically arranged direction control rotating shaft A, the lower end of the direction control rotating shaft A is, the direction control rod lower extreme passes and is connected with the entablature is articulated after the initiative steering panel, it has rectangular shape movable groove to open along its width direction on the initiative steering panel, the direction control rod can be at the inslot horizontal hunting that moves, still be provided with the lockplate of restriction direction control rod wobbling near direction control rod position, the lockplate is connected with the initiative steering panel is articulated, the vertical setting of lockplate just is equipped with at the lockplate free end with direction control rod assorted draw-in groove, 90 degrees draw-in grooves of lockplate upset downwards lock the direction control rod, the lockplate upset is by motor control, the upper end of biography power montant B is connected with the one end of driven steering panel, the other end and the vertical direction control pivot B that sets up of driven steering panel rotate and are connected, direction control pivot B lower extreme and right.

5. The self-propelled multifunctional trolley for the shield tunnel according to claim 2, which is characterized in that: the middle part of the upper platform is provided with a lifting hole, a movable lifting mechanism is arranged above the lifting hole and comprises a lifting frame and a lifting device, the lower end of the lifting frame is movably connected with the edge of the lifting hole, the lifting frame can move left and right relative to the lifting hole, the upper end of the lifting frame is also movably connected with the lifting device, the lifting device can move front and back relative to the lifting hole, and the lifting device is a chain block or a pulley block for lifting.

6. The self-propelled multifunctional trolley for the shield tunnel according to claim 3, wherein the self-propelled multifunctional trolley comprises: the front end and the rear end of the lower cross beam are respectively and correspondingly provided with a hydraulic telescopic mechanism, the hydraulic telescopic mechanism comprises a hydraulic cylinder, a fixed arm, a telescopic arm, a supporting leg, a supporting shaft, a rotating shaft, a movable shaft and a supporting leg rotating shaft, the supporting shaft, the rotating shaft, the movable shaft and the supporting leg rotating shaft are sequentially arranged in parallel at intervals from top to bottom, the fixed arm is two vertical bars which are arranged at intervals from front to back, the telescopic arm is two movable rods which are arranged between the two vertical bars at intervals from front to back, two ends of the supporting shaft correspondingly penetrate through the upper ends of the two vertical bars, two ends of the rotating shaft correspondingly penetrate through the lower ends of the two vertical bars and are correspondingly arranged on the lower ends of the two vertical bars, two ends of the rotating shaft of the movable shaft and the supporting leg rotating shaft respectively penetrate through the two movable rods, the cylinder body of pneumatic cylinder is connected with the back shaft is articulated, and the flexible end and the loose axle of pneumatic cylinder are articulated to be connected, and the pneumatic cylinder is flexible to drive the movable rod and straightens or crooked, and the movable rod straightens or crooked messenger automobile body lift walking wheel and leaves or contact ground.

7. The self-propelled multifunctional trolley for the shield tunnel according to claim 4, wherein the self-propelled multifunctional trolley comprises: the positions of the upper platform front end and the lower platform front end, which are close to the direction control rods, are respectively provided with driving positions, the driving positions are respectively provided with a display screen, the front end and the rear end of the vehicle body and two sides of the vehicle body are respectively provided with a plurality of cameras, and the cameras transmit collected rail position information to the display screen in real time through data transmission lines for display.

8. The shield tunnel self-propelled multifunctional trolley according to any one of claims 1 to 7, characterized in that: the trolley is a four-wheel direct current drive trolley which adopts a storage battery to supply power and drives the traveling wheels to travel by low-voltage direct current power.

9. The shield tunnel self-propelled multifunctional trolley according to any one of claims 1 to 7, characterized in that: the lower parts of two sides of the trolley are respectively provided with a vertical ladder for overhauling the platform from top to bottom, an inclined ladder is arranged between the overhauling platform and the upper platform, and a steel grating is paved on the upper platform.