CN216130929U

CN216130929U - Tunnel excavation trolley

Info

Publication number: CN216130929U
Application number: CN202122054699.8U
Authority: CN
Inventors: 李林; 张丙利; 黄金玉; 王晨; 张树伟
Original assignee: China Railway 19th Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-25
Anticipated expiration: 2031-08-27

Abstract

The utility model provides a tunnel excavation trolley which comprises a chassis, a working table frame and a first driving device. The working platform is arranged on the chassis and comprises a middle platform and a pair of side platforms. Wherein, a pair of side platform is located the both sides of well platform respectively. The pair of side platforms are rotatably arranged on the chassis and can rotate towards the direction far away from or close to the middle platform. The first driving device is used for driving the pair of side platforms to rotate. So set up, if meet the tunnel width and change to some extent in the tunnel excavation process, then rotate to both sides through two side platforms of first drive arrangement drive for the work bench can adjust according to the tunnel width, thereby satisfy the construction demand under the different tunnel width, convenient to use is nimble, and the range of application is wide, has improved the use turnover efficiency of platform truck, and is economic high-efficient more, convenient to use and popularization.

Description

Tunnel excavation trolley

Technical Field

The utility model relates to the technical field of tunnel and underground engineering construction, in particular to a tunnel excavation trolley.

Background

At present, tunnel excavation trolleys are generally adopted to excavate tunnel faces in tunnel construction. The tunnel excavation trolley is provided with an operation platform, and workers can operate the drilling machine and install the steel arch frame and the like on the operation platform.

But because operation platform fixed mounting is on tunnel excavation platform truck, flexible poor, when meetting the great time of tunnel section width, can't satisfy the construction demand, it is inconvenient to use, and economic benefits is low, influences the operating efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tunnel excavation trolley which is used for solving the problems in the prior art.

The utility model provides a tunnel excavation trolley, comprising:

a chassis;

the working platform is arranged on the chassis and comprises a middle platform and a pair of side platforms, wherein the pair of side platforms are respectively positioned at two sides of the middle platform, the pair of side platforms are rotatably arranged on the chassis, and the pair of side platforms can rotate towards the direction far away from or close to the middle platform;

the first driving device is used for driving the pair of side platforms to rotate.

The tunnel excavation trolley provided by the utility model further comprises:

the first telescopic rods are arranged along the height direction of the working platform frame, the first telescopic rods are arranged at the bottom of at least one of the middle platform and the pair of side platforms, and the first telescopic rods arranged at the bottom of the side platforms are rotatably connected with the chassis;

and the second driving device is used for driving the first telescopic rods to do telescopic motion.

The tunnel excavation trolley provided by the utility model further comprises:

the first distance detection device is used for detecting the distance between the working rack and the inner wall of the tunnel;

the collision early warning device is in communication connection with the first distance detection device, and sends out a first early warning prompt when the distance between the working rack and the inner wall of the tunnel reaches a first preset value;

and the control device is in communication connection with the collision early warning device, the first driving device and the second driving device, and controls the first driving device and the second driving device to stop according to the first early warning prompt.

The tunnel excavation trolley provided by the utility model further comprises:

the supporting legs are used for abutting against the ground;

the plurality of second telescopic rods are arranged corresponding to the supporting legs and arranged along the width direction of the working table frame, and the first ends of the plurality of second telescopic rods are connected with the chassis and the second ends of the plurality of second telescopic rods are connected with the supporting legs;

and the third driving device is used for driving the plurality of second telescopic rods to do telescopic motion, and is in communication connection with the control device.

The tunnel excavation trolley provided by the utility model further comprises a second distance detection device, the second distance detection device is used for detecting the distance between the end part of the second telescopic rod and the inner wall of the tunnel,

the second distance detection device is in communication connection with the collision early warning device, the collision early warning device sends out a second early warning prompt under the condition that the distance between the end of the second telescopic rod and the inner wall of the tunnel reaches a second preset value, and the control device controls the third driving device to stop according to the second early warning prompt.

The tunnel excavation trolley further comprises a crane boom which is rotatably arranged on the chassis and used for hoisting.

According to the tunnel excavation trolley provided by the utility model, the crane boom is a telescopic crane boom which can do telescopic motion along the axial direction of the telescopic crane boom.

The tunnel excavation trolley further comprises a plurality of universal wheels which are rotatably arranged below the chassis.

According to the tunnel excavation trolley provided by the utility model, the first distance detection device and/or the second distance detection device are/is a distance measurement sensor, the first distance detection device is arranged at the top of the working platform frame, and the second distance detection device is arranged at the second end of the second telescopic rod.

According to the tunnel excavation trolley provided by the utility model, the middle platform and/or the pair of side platforms comprise:

the pair of longitudinal supporting frames are arranged along the vertical direction and are distributed at intervals along the width direction of the working table frame;

the pair of transverse supporting tables are arranged along the horizontal direction, each transverse supporting table is connected with the two longitudinal supporting frames, and the pair of transverse supporting tables are distributed at intervals along the height direction of the working table frame;

wherein the transverse support platform and the longitudinal support frame of the side platform are rotatably connected.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of a tunnel excavation trolley provided by the present invention;

FIG. 2 is a top plan view of a tunnel excavation trolley provided by the present invention;

figure 3 is one of the side views of the tunnel excavation trolley provided by the present invention;

fig. 4 is a second side view of the tunnel excavation trolley provided by the present invention;

reference numerals:

1: a chassis; 2: a middle platform; 3: a side platform;

4: a first driving device; 5: a first telescopic rod; 6: a second driving device;

7: first distance detection device 8: a collision warning device; 9: a control device; placing;

10: a support leg; 11: a second telescopic rod; 12: a second distance detection means;

13: a cargo boom; 14: a universal wheel; 15: a longitudinal support frame;

16: a transverse support table; 17: and a power device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 tunnel excavation trolley of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1 and 3, an embodiment of the present invention provides a tunnel excavation carriage including a chassis 1, a work bench, and a first driving device 4. The work bench is arranged on a chassis 1, which comprises a middle platform 2 and a pair of side platforms 3. Wherein, a pair of side platforms 3 are respectively positioned at two sides of the middle platform 2. A pair of side platforms 3 are rotatably provided on the chassis 1 and can be rotated in a direction away from the middle platform 2 or close to the middle platform 2. The first driving device 4 may be a lateral cylinder for driving the pair of side platforms 3 to rotate. Fig. 4 is a schematic view showing a position of the pair of side decks 3 after being rotated to the left and right. So set up, if meet the tunnel width and change to some extent in the tunnel excavation process, then rotate to both sides through two side platforms of 4 drive of first drive arrangement for the work bench can adjust according to the tunnel width, thereby satisfy the construction demand under the different tunnel widths, and convenient to use is nimble, and the range of application is wide, has improved the use turnover efficiency of platform truck, and is more economical and efficient, convenient to use and popularization.

In the embodiment of the utility model, the tunnel excavation trolley further comprises a plurality of first telescopic rods 5 and a plurality of second driving devices 6. Specifically, each first telescopic rod 5 is arranged along the height direction of the working platform, and the bottom of at least one of the middle platform 2 and the pair of side platforms 3 is provided with the first telescopic rod 5. As shown in fig. 3, the middle platform 2 and the pair of side platforms 3 are provided with a first telescopic rod 5. Wherein, the first telescopic rod 5 arranged at the bottom of the side platform 3 is rotatably connected with the chassis 1. The second driving device 6 can be a vertical oil cylinder and is used for driving the first telescopic rods 5 to do telescopic motion. In the arrangement position of the tunnel excavation carriage shown in fig. 3, the vertical direction in the drawing is the height direction of the working gantry, and the lower end in the drawing is the bottom of the middle platform 2 and the side platforms 3. Set up like this, well platform 2 and side platform 3 can go up and down the operation for the staff can be under construction in the not co-altitude department in tunnel, still can realize side platform 3 simultaneously and rotate, with the operation demand that adapts to different tunnel widths, thereby realized the comprehensive cover to tunnel face construction area.

In the embodiment of the utility model, the tunnel excavation trolley further comprises a first distance detection device 7, a collision early warning device 8 and a control device 9. The first distance detecting means 7 may be plural and installed on top of the middle platform 2 and the side platforms 3, respectively. The first distance detection device 7 can be a distance measurement sensor, and is used for detecting the distance between the working rack and the inner wall of the tunnel and monitoring the relative position relationship between the working rack and the surrounding environment in real time in the lifting process of the middle platform 2 and the side platform 3 and the rotating process of the side platform 3. It should be noted that, in the arrangement position of the tunnel excavation trolley shown in fig. 3, the upper end in the figure is the top of the middle platform 2 and the side platforms 3.

The collision early warning device 8 is in communication connection with the first distance detection device 7, and the specific structure, the electrical connection relation and the like of the collision early warning device are existing mature technologies. Under the condition that the distance between the working rack and the inner wall of the tunnel reaches a first preset value, the collision early warning device 8 sends out a first early warning prompt, such as sending out an alarm sound or lighting up a warning lamp. The first preset value can set a specific collision early warning critical condition according to actual requirements.

The control device 9 is in communication connection with the collision early warning device 8, the first driving device 4 and the second driving device 6, the control device 9 controls the first driving device 4 and the second driving device 6 to stop according to the first early warning prompt, and the specific structure, the electrical connection relation and the like of the control device are the existing mature technologies. The control means 9 can stop the first drive means 4 and the second drive means 6 by means of a control panel and control buttons and providing both automatic operation and manual operation modes. In addition, the control device 9 can set the elevation heights of the middle platform 2 and the side platform 3, the rotation angle of the side platform 3, and the like, so as to move the work bench to the target position. Meanwhile, the control device 9 can also store and number the operation parameters, so that the operation parameters can be called and referred in the subsequent construction, and the construction time is saved.

So set up, first distance detection device 7 gathers the distance data of work rack and all ring edge borders in real time, according to collision early warning critical condition, collision early warning device 8 analysis judges whether to send first early warning suggestion to feed back to controlling means 9. The control device 9 controls the first driving device 4 and the second driving device 6 to automatically stop after the collision early warning device 8 sends out the first early warning prompt. Therefore, when the working table frame is lifted or rotated, collision with the tunnel face is avoided, the use safety and reliability of the equipment are ensured, and safety accidents are prevented.

In the embodiment of the present invention, the tunnel excavation trolley further includes a plurality of support legs 10, a plurality of second telescopic rods 11, and a third driving device. As shown in fig. 2, a plurality of support legs 10 are uniformly distributed for abutting against the ground, so as to ensure that the equipment is stably supported during the construction process, and prevent the equipment from tipping over. The supporting legs 10 are adjustable supporting legs which are of conventional structures and are adapted to the rugged ground, so that the supporting legs are reliably contacted with the ground.

The plurality of second telescopic rods 11 are arranged corresponding to the support legs 10 and arranged along the width direction of the working table frame. A plurality of second telescopic rods 11 are connected at a first end to the chassis 1 and at a second end to the legs 10. When the second telescopic rod 11 makes telescopic motion, the supporting legs 10 can be driven to move along the width direction of the working table frame. In the arrangement position of the tunnel excavation carriage shown in fig. 3, the left-right direction in the drawing is the width direction of the work bench. Taking the left second telescopic rod 11 in fig. 3 as an example, the right end of the second telescopic rod 11 in the figure is the first end of the second telescopic rod 11, and the left end of the second telescopic rod 11 in the figure is the second end of the second telescopic rod 11.

The third driving device may be a horizontal oil cylinder, and is configured to drive the plurality of second telescopic rods 11 to perform telescopic motion. And the third drive arrangement and controlling means 9 communication connection can realize intelligent control, and its concrete structure and electric connection relation etc. are current mature technology. So set up, each landing leg 10 can stretch out and draw back along the width direction of work bench, according to the nimble adjustment of tunnel width, the equipment of being convenient for walks and uses in the tunnel.

Further, the tunnel excavation trolley further comprises a second distance detection device 12 for detecting the distance between the end of the second telescopic rod 11 and the inner wall of the tunnel. The second distance detecting device 12 may be a distance measuring sensor, and is installed at the second end of the second telescopic rod 11. The second distance detecting means 12 may be plural and provided in one-to-one correspondence with the respective legs 10.

Specifically, the second distance detection device 12 is in communication connection with the collision warning device 8, and the specific structure and the electrical connection relationship thereof are the existing mature technologies. Under the condition that the distance between the end part of the second telescopic rod 11 and the inner wall of the tunnel reaches a second preset value, the collision early warning device 8 sends out a second early warning prompt, and the control device 9 controls the third driving device to stop according to the second early warning prompt.

So set up, second distance detection device 12 gathers the distance data of second telescopic link 11 and all ring edge borders in real time, and according to collision early warning critical condition, collision early warning device 8 analysis judges whether to send out the second early warning suggestion to controlling means 9 is fed back. And the control device 9 controls the third driving device to automatically stop after the collision early warning device 8 sends out a second early warning prompt. Thereby when the second telescopic link 11 carries out flexible operation, avoid bumping with the tunnel face, ensure platform truck overall stability and constructor security.

In the embodiment of the utility model, the tunnel excavation trolley further comprises a crane arm 13 which is rotatably arranged on the chassis 1, and the crane arm 13 is used for hoisting operation. Specifically, as shown in fig. 1, the boom 13 is located at the front of the chassis 1, and the work bench is located at the rear of the chassis 1. The crane boom 13 is the current structure commonly used, can carry out 360 degrees rotations, realizes the transport to construction material fast, and the basket is hung in the cooperation, still can realize personnel's operation transportation, has greatly improved construction operating efficiency. In the placement position of the tunnel excavation carriage shown in fig. 1, the left-right direction in the drawing is referred to as the front-rear direction.

Further, the boom 13 is a telescopic boom, which is a conventional device. The telescopic crane boom can do telescopic motion along the axial direction, thereby being convenient for adjusting the hoisting height.

In the embodiment of the utility model, the tunnel excavation trolley further comprises a plurality of universal wheels 14 which are rotatably arranged below the chassis 1, and walking and braking control can be realized through the control device 9. Therefore, the trolley can realize 360-degree steering, walks in any direction, is flexible and convenient to move and quickly transition, and does not influence other construction operations such as slag removal and secondary lining. In addition, the tunnel excavation trolley is also provided with a power device 17 for providing power for the universal wheels 14, the crane arm 13, the first driving device 4, the second driving device 6, the third driving device and the like.

In an embodiment of the utility model, the middle platform 2 and/or the pair of side platforms 3 comprise a pair of longitudinal supports 15 and a pair of transverse supports 16. Specifically, as shown in fig. 3 and 4, the middle platform 2 and the pair of side platforms 3 each include a pair of longitudinal support frames 15 and a pair of lateral support tables 16. A pair of longitudinal support frames 15 are arranged in the vertical direction and are spaced apart in the width direction of the work bench. Wherein, the first distance detection device 7 is installed at the top of the longitudinal support frame 15, and the first telescopic rod 5 is installed at the bottom of the longitudinal support frame 15.

A pair of lateral supports 16 are arranged in a horizontal direction, and each lateral support 16 is connected to two longitudinal supports 15 to form an integral frame structure. A pair of horizontal brace table 16 forms double-deck work platform along the direction of height interval distribution of workstation, and the constructor of being convenient for stands and carries out the construction on horizontal brace table 16. Wherein, the horizontal support platform 16 and the longitudinal support frame 15 on the side platform 3 are rotatably connected to meet the rotation requirement of the side platform 3. Further, a level sensor may be mounted on the lateral support base 16 for detecting whether the lateral support base 16 is kept horizontal. If the transverse supporting platform 16 inclines, the inclination is timely fed back to the control device 9, the telescopic length of the first telescopic rods 5 on the two sides is adjusted, and the working surface is ensured to be still kept horizontal and stable after the side platform 3 rotates. In the arrangement positions of the tunnel excavation carriages shown in fig. 3 and 4, the horizontal direction and the width direction are the horizontal direction and the vertical direction and the height direction in the drawings.

In summary, the utility model provides a multifunctional tunnel excavation trolley, which comprises a chassis 1, a middle platform 2, side platforms 3, a first driving device 4, a second driving device 6, a first distance detection device 7, a second distance detection device 12, a collision early warning device, a control device 9, supporting legs 10, a lifting arm 13, universal wheels 14 and the like. Well platform 2 and side platform 3 can go up and down, and side platform 3 can rotate to adapt to the tunnel of co-altitude and different width, realize that the construction is comprehensive to be covered, and flexible can transition fast. Meanwhile, the hoisting function is integrated, the operation requirements of various procedures of the tunnel face are met, and the construction efficiency is greatly improved. And through collision early warning system, avoid the collision of platform truck and the body of a cave, ensure operation platform truck overall stability and construction operation personnel security. The tunnel excavation trolley solves the problems of single function, low automation degree, poor safety and low economic benefit of the existing operation trolley, is particularly suitable for the excavation requirement of small-section tunnels, and is mainly used for high-altitude hoisting construction operations such as tunnel advanced support construction, grouting, anchor rod construction, dangerous rock treatment, explosive filling, steel arch frame installation, reinforcing mesh hanging and the like.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A tunnel excavation trolley, comprising:

a chassis;

2. The tunnel excavation trolley of claim 1, further comprising:

3. The tunnel excavation trolley of claim 2, further comprising:

4. The tunnel excavation trolley of claim 3, further comprising:

the supporting legs are used for abutting against the ground;

5. The tunnel excavation trolley of claim 4, further comprising a second distance detection device for detecting a distance between an end of the second telescopic rod and an inner wall of the tunnel,

6. The tunnel excavation trolley of claim 1, further comprising a boom rotatably disposed on the chassis, the boom being configured to perform a lifting operation.

7. The tunnel excavation trolley of claim 6, wherein the boom is a telescopic boom that is capable of telescopic movement in an axial direction thereof.

8. The tunneling trolley of claim 1, further comprising a plurality of universal wheels rotatably disposed below the chassis.

9. The tunnel excavation trolley of claim 5, wherein the first distance detection device and/or the second distance detection device is a distance measuring sensor, the first distance detection device is disposed at a top of the working gantry, and the second distance detection device is disposed at a second end of the second telescoping rod.

10. The tunnel excavation trolley of claim 1, wherein the middle platform and/or the pair of side platforms comprise: