CN215334184U - Shield constructs quick-witted platform truck buffer stop suitable for minor diameter tunnel - Google Patents

Abstract

The utility model aims to provide a shield machine trolley anti-collision device suitable for a small-diameter tunnel, which can effectively solve the problem that a transport battery car in the small-diameter tunnel collides with a shield machine trolley and comprises a first fixed seat, a second fixed seat and an anti-collision beam, wherein the first fixed seat and the second fixed seat are respectively arranged on a side beam at the tail part of the trolley; one end of the anti-collision beam is rotatably installed on the first fixing seat, the anti-collision beam is in a vertical upward state in an initial state, and when the anti-collision beam works, the anti-collision beam rotates downwards by 90 degrees to enable the other end of the anti-collision beam to be fixed on the second fixing seat.

Description

Shield constructs quick-witted platform truck buffer stop suitable for minor diameter tunnel

Technical Field

The utility model belongs to the technical field of tunnel shield engineering, and particularly relates to a shield machine trolley anti-collision device suitable for a small-diameter tunnel.

Background

In the tunneling process of the shield tunneling machine, a transport worker crosses a long and narrow tunnel to enter the front, and materials such as duct pieces, various slurries and the like required by operation need to be solved in front of the storage battery truck. Especially in the middle of a small-diameter tunnel, the space is narrow, the equipment installation is more closely crowded, the activity space of operating personnel is limited, and when the storage battery car advances to the periphery of a trolley of the supporting equipment behind the shield along a guide rail, if the phenomenon of brake failure or car slipping occurs, the storage battery car can directly impact the trolley once out of control, serious damage can be brought to core equipment on the trolley and electrical equipment and pipelines on two sides of the tunnel, the tunneling operation of the shield machine is influenced, even the casualties of the operating personnel can be caused, direct economic loss is brought, and the safety of the engineering is seriously influenced. Therefore, an anti-collision device which is simple in structure, small in occupied space and convenient to operate and control needs to be designed to solve the problem that the storage battery car collides with the shield machine trolley.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shield machine trolley anti-collision device suitable for a small-diameter tunnel, which can effectively solve the problem that a transport battery car in the small-diameter tunnel collides with a shield machine trolley.

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

a shield tunneling machine trolley anti-collision device suitable for a small-diameter tunnel comprises a first fixed seat, a second fixed seat and an anti-collision beam, wherein the first fixed seat and the second fixed seat are respectively arranged on a side beam at the tail part of a trolley;

one end of the anti-collision beam is rotatably installed on the first fixing seat, the anti-collision beam is in a vertical upward state in an initial state, and when the anti-collision beam works, the anti-collision beam rotates downwards by 90 degrees to enable the other end of the anti-collision beam to be fixed on the second fixing seat.

Furthermore, the lateral surface of anticollision roof beam is equipped with a plurality of springs in proper order, the other end of spring is fixed with the crashproof board through the connecting plate, the blotter has been laid to the lateral surface of crashproof board.

Furthermore, a rotating shaft which is transversely distributed is arranged on the top end of the first fixing seat in a rotating mode, and one end of the rotating shaft is fixedly connected with the root of the anti-collision beam.

Furthermore, a driving gear is fixed at the other end of the rotating shaft, a driving motor is arranged in the first fixing seat, and an output shaft of the driving motor is connected with the driving gear in a matched mode through a gear transmission assembly.

Furthermore, the top of second fixing base is equipped with the installation piece, be equipped with the convenience on the installation piece the rotatory positioning groove who imbeds of head end of anticollision roof beam.

Furthermore, a laser sensor capable of detecting the distance is installed on the anti-collision beam.

Furthermore, both ends of the anti-collision plate are arc-shaped, and the anti-collision plate is made of section steel.

Further, the buffer cushion is a rubber layer with the thickness of 10-20cm, and the front side of the buffer cushion is provided with reflective paper.

Further, the number of the springs is 3-5.

Compared with the prior art, the utility model has the following beneficial effects:

(1) when no battery truck enters, the anti-collision beam is in the vertical direction, so that the space in the tunnel is saved, and the normal operation activities nearby the trolley are not influenced; when the battery car approaches, the anti-collision beam rotates downwards by 90 degrees to enable the head end of the anti-collision beam to be fixed on the second fixing seat, if the battery car fails to brake, the anti-collision beam blocks and buffers the impact force of the battery car, and the damage to the trolley is avoided;

(2) the outer side surface of the anti-collision beam is sequentially provided with a plurality of springs, the other ends of all the springs are fixedly provided with anti-collision plates through connecting plates, and the outer side surfaces of the anti-collision plates are paved with cushion pads. The buffer cushion plays a role in buffer protection of the battery car, and the spring can effectively absorb the impact force of the battery car, so that the impact force of the battery car on the trolley is greatly reduced, and the safety is improved;

(3) the utility model has simple structure, low manufacturing cost and convenient operation, and is worth popularizing and using in small-diameter tunnels.

Drawings

FIG. 1 is a schematic view of a shield tunneling machine trolley collision avoidance device in a use state;

FIG. 2 is a top view of the shield tunneling machine trolley collision avoidance apparatus of the present invention;

FIG. 3 is a schematic perspective view of the rotating shaft according to the present invention;

FIG. 4 is a schematic view of a second fixing base according to the present invention;

in the figure: 1. the anti-collision device comprises a first fixing seat, 2, a second fixing seat, 3, an anti-collision beam, 4, an anti-collision plate, 5, a rotating shaft, 6, a driving gear, 7, a spring, 8, a laser sensor, 9, a battery car, 10 and a cushion pad.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the embodiment discloses a shield machine trolley anti-collision device suitable for a small-diameter tunnel, which includes a first fixing seat 1, a second fixing seat 2, an anti-collision beam 3, an anti-collision plate 4 and a rotating shaft 5. First fixing base and second fixing base 2 set up on the boundary beam left and right sides of platform truck afterbody through bolt assembly respectively, and pivot 5 adopts the preparation of martensite stainless steel material to form, and pivot 5 circles round through bearing assembly and installs the top at first fixing base 1 to transverse distribution. The root of the anti-collision beam 3 of front end fixed connection of pivot 5, drive gear 6 is installed through the parallel key in the rear end of pivot 5, installs driving motor in first fixing base 1, and driving motor's output shaft passes through the gear drive subassembly cooperation and connects drive gear 6. In this embodiment, the gear transmission assembly is a chain and a gear assembly, the driving motor is an advanced servo motor, the servo motor can control the speed, the position precision is very accurate, and the voltage signal can be converted into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. So design, driving motor passes through gear drive assembly control drive gear 6 and drives 5 positive and negative rotations of pivot to make anticollision roof beam 3 go up and down. The top of the second fixing seat 2 is provided with an installation block through a bolt assembly, and a positioning groove which is convenient for the head end of the anti-collision beam 3 to be embedded in a rotating mode is arranged on the installation block. During initial state, anticollision roof beam 3 is in vertical state up, and when the during operation, anticollision roof beam 3 down rotates 90 and makes the head end realize anticollision roof beam 3's operating condition in can imbedding the positioning groove of installation piece.

Three springs 7 are sequentially and fixedly mounted on the front side face of the anti-collision beam 3 in the left-right direction, the other ends of all the springs 7 are used for fixing the anti-collision plate 4 through a matching connecting plate, the anti-collision plate 4 is made of profile steel, the two ends of the anti-collision plate are arc-shaped, a rubber layer with the thickness of 15cm is arranged on the front side face of the anti-collision plate 4 and serves as a cushion pad 10 capable of buffering impact force, and reflective paper is pasted on the front side face of the cushion pad 10.

In order to realize automatic control, in the embodiment, a laser sensor 8 is installed on the anti-collision beam 3, and both the laser sensor 8 and the driving motor are electrically connected to the controller, wherein the laser sensor 8 is a sensor for measuring by using a laser technology. It consists of laser, laser detector and measuring circuit. The laser sensor 8 is a novel measuring instrument, and has the advantages of capability of realizing non-contact remote measurement, high speed, high precision, large measuring range, strong light and electric interference resistance and the like.

The shield machine trolley anti-collision device suitable for the small-diameter tunnel has the following specific working process:

when the storage battery car 9 for transporting goods drives to the trolley of the shield machine, if the storage battery car 9 drives out of the reasonable range of the trolley of the shield machine, the laser sensor acquires the distance information of the storage battery car 9 and sends a signal to the alarm through the controller, and the alarm gives an alarm to prompt a driver of the storage battery car 9 to brake; meanwhile, the controller enables the driving motor to be started, the rotating shaft starts to drive the anti-collision beam to rotate 90 degrees downwards along the axis of the rotating shaft under the control of the driving motor, so that the anti-collision beam falls in the horizontal direction, and the head end of the anti-collision beam enters the positioning groove of the mounting block. If the storage battery car takes place to brake inefficacy or swift current car phenomenon this moment, the storage battery car can at first strike the blotter, and simultaneously, the spring receives the compression, produces elasticity and can realize absorbing and buffering to the impact that comes from the storage battery car. Therefore, the protection of the rear matched equipment of the shield machine, electromechanical equipment on two sides and pipelines is realized.

Claims (9)

1. The anti-collision device for the shield machine trolley is characterized by comprising a first fixed seat, a second fixed seat and an anti-collision beam, wherein the first fixed seat and the second fixed seat are respectively arranged on a side beam at the tail part of the trolley;

one end of the anti-collision beam is rotatably installed on the first fixing seat, the anti-collision beam is in a vertical upward state in an initial state, and when the anti-collision beam works, the anti-collision beam rotates downwards by 90 degrees to enable the other end of the anti-collision beam to be fixed on the second fixing seat.

2. The shield tunneling machine trolley collision avoidance device of claim 1, wherein a plurality of springs are sequentially arranged on the outer side surface of the collision avoidance beam, the other ends of the springs are fixed with collision avoidance plates through connecting plates, and cushion pads are laid on the outer side surfaces of the collision avoidance plates.

3. The anti-collision device for the shield tunneling machine trolley according to claim 2, wherein a transversely distributed rotating shaft is rotatably mounted at the top end of the first fixing seat, and one end of the rotating shaft is fixedly connected with the root of the anti-collision beam.

4. The anti-collision device for the shield tunneling machine trolley according to claim 3, wherein a driving gear is fixed to the other end of the rotating shaft, a driving motor is arranged in the first fixing seat, and an output shaft of the driving motor is connected with the driving gear in a matched mode through a gear transmission assembly.

5. The shield tunneling machine trolley anti-collision device according to claim 2, wherein a mounting block is arranged at the top end of the second fixing seat, and a positioning groove facilitating the head end of the anti-collision beam to be rotatably embedded is formed in the mounting block.

6. The shield tunneling machine trolley collision avoidance device of claim 1, wherein a laser sensor capable of detecting distance is mounted on the collision beam.

7. The anti-collision device for the shield tunneling machine trolley according to claim 2, wherein two ends of the anti-collision plate are arc-shaped, and the anti-collision plate is made of section steel.

8. The shield tunneling machine trolley collision avoidance device according to claim 2, wherein the cushion pad is a rubber layer with a thickness of 10-20cm, and the front side of the cushion pad is provided with a reflective paper.

9. The shield tunneling machine trolley collision avoidance device according to any one of claims 2 to 5, wherein the number of said springs is 3 to 5.

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