CN212892460U

CN212892460U - Shield constructs machine and prevents device and belt feeder that skids

Info

Publication number: CN212892460U
Application number: CN202021512892.0U
Authority: CN
Inventors: 许孝龙; 代春茹
Original assignee: Yizhong Group Tianjin Technology Research And Development Co ltd; Yizhong Group Tianjin Tunnel Engineering Co ltd; Tianjin Hongxuanda Technology Co ltd
Current assignee: Yizhong Group Tianjin Technology Research And Development Co ltd; Yizhong Group Tianjin Tunnel Engineering Co ltd; Tianjin Hongxuanda Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-06
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a shield constructs machine and prevents device and belt feeder that skids, including pipeline, class valve structure and sand jar. The conveying pipeline is of a hollow tubular structure, one end of the conveying pipeline is arranged above the starting end of the conveying belt and is positioned in front of the joint of the belt conveyor and the spiral conveyor. Is fixedly connected with the belt conveyor frame. The valve-like structure is a hollow structure which can be opened or closed and is fixedly connected with the conveying pipeline in an internal communication way. The sand tank is arranged above the conveying pipeline, and the bottom of the sand tank is fixedly arranged together with the conveying pipeline or the valve structure. Through the utility model discloses, can spill fine sand to the conveyor belt surface of belt feeder automatically to can solve the shield and construct the machine in the tunnelling, because static friction is less between dregs and conveyor belt, and arouse the technical problem that dregs skidded on conveyor belt.

Description

Shield constructs machine and prevents device and belt feeder that skids

Technical Field

The utility model belongs to the technical field of a shield constructs quick-witted technique and specifically relates to a shield constructs quick-witted dregs conveying system's a shield constructs machine and prevents device and belt feeder that skids.

Background

In the prior art, the muck conveying system of the shield tunneling machine comprises: when the shield machine works, the slag soil generated by the tunneling of the shield machine is discharged to the belt conveyor through the screw conveyor and then is conveyed to a transport vehicle through the belt conveyor. The spiral conveyer and the belt feeder joint department, the belt feeder is certain inclination with ground, and the inclination direction is from front to back, and belt feeder and ground distance are the trend of gradually increasing. This means that when the belt conveyor is used for conveying the dregs, the static friction force between the conveying belt and the conveyed dregs needs to be not less than the component force of the gravity of the dregs along the conveying belt, so that the dregs can be conveyed out. Otherwise, the dregs are difficult to be transmitted backwards along with the conveying belt, and at the moment, the following phenomena can occur: the dregs skid on the conveying belt and are accumulated at the position where the spiral conveyer discharges the dregs to the belt conveyer, thereby influencing the discharge of the dregs. The technical defect is particularly obvious and prominent when the residue soil is poor in improvement effect, is adhered in large blocks and has high water content. In actual construction, the technical defect is usually treated by manually cleaning or manually scattering powder substances such as sand or sawdust on the surface of the conveying belt so as to increase the static friction coefficient between the conveying belt and the muck and further improve the technical defect that the muck slips on the conveying belt.

Disclosure of Invention

To above technical defect, the utility model provides a shield constructs machine and prevents device and belt feeder of skidding can spill fine sand to the conveyor belt surface automatically to increase the coefficient of static friction between conveyor belt and dregs, thereby play skid-proof technological effect, and then effectively improved the dregs emission efficiency that the shield constructs the machine. In addition, the fine sand has the characteristic of absorbing muddy water, so that the pollution and damage of the muddy water in the muck to the conveying belt objects can be effectively reduced.

In order to achieve the technical purpose, the utility model discloses a following technical scheme realizes: the utility model provides a shield constructs machine and prevents device and belt feeder that skids, includes pipeline, class valve structure and sand tank. The conveying pipeline is of a hollow tubular structure, one end of the conveying pipeline is arranged above the starting end of the conveying belt, and the conveying pipeline is mainly used for conveying and spreading sand. One end of the conveying pipeline is fixedly connected with the belt conveyor frame to ensure that the position of the conveying pipeline on the belt conveyor is fixed. The valve-like structure is a hollow structure which can be opened or closed, is fixedly connected with the conveying pipeline in an internally communicated manner, and is mainly used for opening or closing the conveying pipeline and controlling the sand spreading speed. The sand tank is a sand containing container and is positioned above the conveying pipeline, and the bottom of the sand tank is fixedly installed together with the conveying pipeline or the inside of the valve structure. During operation, the valve structure is opened, sand in the sand tank flows out along the conveying pipeline and the valve structure under the action of gravity, and is uniformly spread on the surface of the conveying belt along with the transmission of the conveying belt, so that the static friction coefficient of the conveying belt is increased, and the purpose of preventing muck from slipping is achieved.

As a further improvement, the sand that is scattered for making is evenly distributed on conveyor belt horizontal, and foretell conveying pipeline is provided with 2 at least shunt tubes, and the shunt tube is along conveyor belt transverse arrangement.

As the utility model discloses a further improvement, above-mentioned sand tank bottom is taper funnel shape to ensure the smoothness nature that the during operation sand was spilled and put, simultaneously, do benefit to sand can all to spill through pipeline in the sand tank and put, the no end phenomenon of depositing. Thereby effectively improving the utilization rate of the sand.

As a further improvement, the valve structure is a sliding block and sliding groove structure. The sliding groove comprises a sliding block, a sliding groove body and a sliding block control mechanism, wherein the sliding groove body is provided with a through hole which is communicated up and down and a horizontal slide which can be matched with the sliding block, and the horizontal slide is communicated with the through hole. The two ends of the through hole are respectively communicated with the conveying pipeline, the sliding block can be arranged in the slideway in a forward and backward moving mode, and the sliding block can be conveniently separated or communicated with the through hole through the forward and backward moving mode. The sliding block control mechanism can be fixed on the frame in a forward and backward moving mode, the end part of the sliding block control mechanism is fixedly installed with the sliding block together, and the sliding block control mechanism is mainly used for controlling the sliding block to move forward and backward in the sliding way so as to partition or communicate with the through hole.

The slide block control mechanism can adopt a mechanical push rod mechanism with a locking structure, and can also adopt an automatic push rod mechanism with a locking function, such as an air pressure push rod, a hydraulic push rod and the like.

Drawings

Fig. 1 is a schematic perspective view of the anti-slip device and the belt conveyor for the shield machine of the present invention;

FIG. 2 is an assembly view of the valve structure of the present invention;

FIG. 3 is a schematic view of the structure of the component valve according to the present invention;

fig. 4 is a cross-sectional view of the components of the present invention;

fig. 5 is an installation schematic diagram of the shield tunneling machine of the present invention.

In the figure, 1, a sand tank, 2, a class valve structure, 201, a sliding groove body, 202, a sliding block, 203, a fixed mounting block, 204, a sliding block control mechanism, 3, a conveying pipeline, 4, a flow dividing pipe, 5, a conveying belt, 6, a belt conveyor frame, 7, a spiral conveyor residue soil outlet and 8, a connection part of the belt conveyor and the spiral conveyor.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in many ways other than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the invention. Accordingly, the present invention is not limited by the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "front," "rear," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular implementations only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 5, the utility model relates to a shield constructs machine and prevents device and belt feeder that skids, including conveying line 3, class valve structure 2 and sand tank 1. The conveying pipeline 3 is a hollow tubular structure, one end of the conveying pipeline is arranged above the starting end of the conveying belt 5, and the front of the joint of the spiral conveyor and the belt conveyor is arranged. The sand distributor is mainly used for conveying pipelines and spreading sand. The conveying pipeline 3 is fixedly connected with the belt conveyor frame 6 to ensure that the position of the conveying pipeline 3 on the belt conveyor is fixed. In order to further ensure that the sand spread is uniformly distributed in the transverse direction of the conveying belt 5, at least more than 2 shunt tubes 4 are arranged at one end of the conveying pipeline 2, and the shunt tubes 4 are transversely arranged along the conveying belt 5. The valve-like structure 2 is a hollow structure capable of being isolated or communicated, is fixedly mounted together with the inside of the other end of the conveying pipeline 3 and is used for controlling the sand spreading speed and whether sand is spread or not. The sand tank 1 is a sand container and is positioned above the conveying pipeline 3, and the bottom of the sand tank 1 is fixedly connected with the conveying pipeline 3 or the inside of the valve structure 2. During operation, open type valve structure 2, the sand in sand jar 1 flows along conveying line 3 and type valve structure 2 under the action of gravity, spills to conveyor belt 5, along with conveyor belt 5's transmission, and the even sand that spills is on conveyor belt 5 surface to reach the static friction coefficient of increase conveyor belt 5, prevent the purpose that the dregs skidded. The bottom of the sand tank 1 is in a conical funnel shape, so that the smoothness of sand spreading in the working process is facilitated, and meanwhile, sand in the sand tank 1 can be completely spread through the conveying pipeline 3 without bottom storage. Thereby effectively improving the utilization rate of the sand.

As shown in fig. 2, 3, and 4, the valve-like structure 2 is a sliding block-sliding groove structure, and includes a sliding block 202, a sliding groove body 201, a sliding block control mechanism 204, and a fixed mounting block 203, where the sliding groove body 201 is provided with a through hole that is through from top to bottom and a horizontal sliding way that can be matched with the sliding block, and the horizontal sliding way and the through hole are through with each other. Two ends of the through hole are respectively communicated with the conveying pipeline 3, the sliding block 202 can be arranged in the slideway in a back-and-forth moving mode, and can be conveniently separated or communicated with the through hole through the back-and-forth moving mode. One end of the chute body 201 is provided with a fixed mounting block 204, the slide block control mechanism 204 is arranged on the fixed mounting block 203 in a way of moving back and forth, one end of the slide block 202 is fixedly arranged with the slide block control mechanism 204 together, and the slide block control mechanism is mainly used for controlling the slide block 202 to move back and forth in the chute so as to partition or communicate the through hole.

The slide block control mechanism 204 may be a mechanical push rod mechanism with a locking structure, or an automatic push rod mechanism with a locking function, such as a pneumatic push rod, a hydraulic push rod, or the like.

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

Claims

1. The utility model provides a shield constructs machine and prevents device that skids which characterized in that: the method comprises the following steps:

a conveying pipeline: the belt conveyor is of a hollow tubular structure, one end of the belt conveyor is arranged above the starting end of the conveying belt and is fixedly connected with the belt conveyor frame;

the valve-like structure: the valve-like structure is a hollow structure which can be opened or closed and is fixedly connected with the conveying pipeline in a communication way;

sand tank: is positioned above the conveying pipeline, and the bottom of the sand tank is communicated with the conveying pipeline or the inside of the valve structure.

2. The anti-slip device for the shield tunneling machine according to claim 1, wherein: the conveying pipeline is provided with at least 2 shunt tubes which are transversely arranged along the conveying belt.

3. The anti-slip device for the shield tunneling machine according to claim 1, wherein: the bottom of the sand tank is in a cone funnel shape.

4. The anti-slip device for the shield tunneling machine according to claim 1, wherein: the valve-like structure is a sliding block and sliding groove structure.

5. The anti-slip device for the shield tunneling machine according to claim 4, wherein: the slider-chute structure, comprising: slider, spout body, slider control mechanism and fixed mounting piece, wherein:

a chute body: the device is provided with a through hole which is communicated up and down and a horizontal slideway which can be matched with the slide block, the horizontal slideway is communicated with the through hole, two ends of the through hole are respectively communicated with the conveying pipeline, one end of the horizontal slideway is a blind end, and the other end of the horizontal slideway is provided with a fixed mounting block;

a slide block: the sliding rail is arranged in the sliding way in a forward and backward moving way, and can conveniently separate or communicate with the through hole through the forward and backward moving way;

the slide block control mechanism: the movable and movable connecting block is connected with the fixed mounting block, and the end part of the movable and movable connecting block is fixedly mounted with the sliding block; so as to control the sliding block to move back and forth in the slideway and separate or communicate with the through hole.

6. The anti-slip device for the shield tunneling machine according to claim 5, wherein: the slide block control mechanism is a mechanical push rod mechanism with a locking structure.

7. The anti-slip device for the shield tunneling machine according to claim 5, wherein: the sliding block control mechanism is an automatic push rod mechanism with a locking function.

8. A belt conveyor is characterized in that: the anti-slip device for the shield tunneling machine is provided with the anti-slip device for the shield tunneling machine, and the conveying pipeline is located in front of the joint of the belt conveyor and the screw conveyor.