CN212923610U - Belt feeder antiskid in shield structure construction - Google Patents

Abstract

The utility model relates to a belt conveyor antiskid device in shield construction, which comprises a sand storage box and a kick-out device, wherein the sand storage box is arranged above the kick-out device, and the belt conveyor is arranged below the kick-out device; the kick-out device comprises a shell, a material distributing motor and a kick-out roller, the material distributing motor drives the kick-out roller to rotate in the shell, and the bottom of the shell is provided with a plurality of sand leakage holes; the top of the shell is communicated to the sand storage box. Utility model's an usage is, the fine sand of storage evenly spills to the belt feeder through the setting gauge in the storage sandbox, increases the frictional force of belt, and after smooth clay was carried to the belt feeder, the clay bottom can the fine sand of adhesion, improves the frictional force between clay and the belt, reduces or avoids the phenomenon of skidding to take place, need not artificial intervention, improves the efficiency of construction and improves the security.

Description

Belt feeder antiskid in shield structure construction

Technical Field

The utility model relates to a shield constructs construction field, more specifically, the utility model relates to a belt feeder antiskid in shield constructs construction.

Background

The earth pressure balance shield machine generally adopts a belt conveyor device to convey muck in tunnel construction, and when the shield machine tunnels in a clay stratum, the clay which is tunneled in and out has the characteristics of high cohesive force and slippery when encountering water. When the clay drops on the belt from the screw machine opening, the belt conveyor is difficult to drive the muck to move upwards because the friction between the clay muck and the belt is small, and the belt is extremely easy to be gradually accumulated on the belt conveyor to press the belt, so that the belt motor is damaged and the slag is difficult to discharge.

For avoiding this kind of phenomenon to take place, need the workman in screw conveyer slag notch both sides, use instruments such as spade to give the helping hand, help belt feeder dregs transportation, the construction is not only wasted time and energy like this, and is dangerous, causes workman's injury easily, also seriously influences the efficiency of construction simultaneously.

Therefore, a belt conveyor antiskid device in shield construction is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solve the current belt feeder and be difficult to the problem of carrying clay in the shield structure construction.

According to one aspect of the utility model, the belt conveyor antiskid device in shield construction is provided, which comprises a sand storage box and a kick-out device, wherein the sand storage box is arranged above the kick-out device, and the belt conveyor is arranged below the kick-out device; the kick-out device comprises a shell, a material distributing motor and a kick-out roller, the material distributing motor drives the kick-out roller to rotate in the shell, and the bottom of the shell is provided with a plurality of sand leakage holes; the top of the shell is communicated to the sand storage box.

Through this scheme, the fine sand of storage evenly spills to the belt feeder through the setting gauge in the storage sandbox on, the frictional force of increase belt, after wet smooth clay is carried to the belt feeder on, the fine sand of clay bottom can the adhesion, improves the frictional force between clay and the belt, reduces or avoids the phenomenon of skidding to take place, need not artificial intervention, improves the efficiency of construction and improves the security.

Preferably, the sand storage box is communicated to the shell through two leg pipes, and the two leg pipes are used for respectively communicating the left end and the right end of the sand storage box to the left end and the right end of the shell.

Through this scheme, the mouth of pipe that makes the screw machine can stretch out to the belt feeder through between the landing leg pipe on, conveniently arranges, and can improve the space utilization in the tunnel.

Preferably, the leg pipe is rotatably connected with an adjusting cylinder, the diameter of the adjusting cylinder is not smaller than that of the leg pipe, and the periphery of the adjusting cylinder is provided with a sand inlet hole and a sand outlet hole which are opposite.

Through this scheme, make the hourglass husky speed adjustable in the leg pipe to the conveying speed of adaptation screw machine improves the reliability that this device used, and can practice thrift the cost.

Preferably, one end of the adjusting cylinder is provided with an adjusting wheel, and the diameter of the adjusting wheel is not smaller than that of the adjusting cylinder.

Through this scheme, conveniently adjust a section of thick bamboo and carry out rotation regulation, can be provided with the scale on the regulating wheel.

Preferably, the stirring roller is provided with a double-head helical blade, and the stirring roller can stir sand to the middle of the shell under the action of the double-head helical blade.

Through this scheme, make fine sand can evenly spill the hourglass husky hole, improve the quality of laying of fine sand.

Preferably, a chute is arranged between the kick-out device and the belt conveyor, and the chute inclines towards the conveying direction of the belt conveyor.

Through this scheme, the fine sand falls into the chute back, can prolong the chute slip with higher speed, can have certain initial velocity after making it fall into on the belt feeder, avoids the landing belt feeder.

Preferably, the bottom of the chute is elastically connected to the outer shell of the belt conveyor through a spring.

Through this scheme, the spring can play absorbing effect, reduces the influence that the vibrations of belt feeder caused this device.

The utility model discloses a technological effect lies in, this device simple structure, convenient to use can improve the frictional force between clay and the belt to avoid or reduce the phenomenon of skidding and take place, improve the efficiency of construction, and improve the security in the construction.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is the utility model discloses the mounted position schematic diagram of belt feeder antiskid in the shield constructs the construction.

Fig. 2 is a schematic structural view of a belt conveyor antiskid device in shield construction of fig. 1.

Fig. 3 is a schematic structural diagram of an adjusting cylinder in the belt conveyor antiskid device in shield construction of fig. 2.

Fig. 4 is a schematic structural diagram of a kick-out device in the belt conveyor antiskid device in shield construction of fig. 2.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Examples

As shown in fig. 1 to 4, the belt conveyor antiskid device in shield construction in this embodiment includes a sand storage box 1100 and a kick-out device 1200, wherein the sand storage box 1100 is disposed above the kick-out device 1200, and the belt conveyor 2000 is disposed below the kick-out device 1200; the kick-out device 1200 comprises a shell 1210, a material distributing motor 1230 and a kick-out roller 1220, wherein the material distributing motor 1230 drives the kick-out roller 1220 to rotate in the shell 1210, and the bottom of the shell 1210 is provided with a plurality of sand leakage holes 1211; the top of the housing 1210 communicates with the sand bin 1100.

Through this scheme of this embodiment, the fine sand of storage in the sand storage box 1100 evenly spills to belt feeder 2000 through setting out ware 1200 on, the frictional force of increase belt, and after wet smooth clay was carried to the belt feeder, the clay bottom can the fine sand of adhesion, improves the frictional force between clay and the belt, reduces or avoids the phenomenon of skidding to take place, need not artificial intervention, improves the efficiency of construction and improves the security.

In this embodiment or other embodiments, the sand box 1100 is connected to the housing 1210 through two leg tubes 1110, and the two leg tubes 1110 connect the left and right ends of the sand box 1100 to the left and right ends of the housing 1210 respectively. The position of vacating between the landing leg pipe 1110 can allow the mouth of pipe of screw machine 3000 to pass through, makes the mouth of pipe of screw machine 3000 pass through and stretches out to belt feeder 2000 between the landing leg pipe 1110 on, conveniently arranges, and can improve the space utilization in the tunnel.

In this embodiment or other embodiments, an adjusting cylinder 1120 is rotatably connected to the leg tube 1110, the diameter of the adjusting cylinder 1120 is not smaller than the diameter of the leg tube 1110, and the adjusting cylinder 1120 is provided with a sand inlet 1121 and a sand outlet 1122 on the outer circumference thereof. The sand leakage speed in the supporting leg pipe 1110 is adjustable to adapt to the conveying speed of the screw machine 3000, the use reliability of the device is improved, and the cost can be saved.

In this embodiment or other embodiments, an adjusting wheel 1123 is disposed at one end of the adjusting cylinder 1120, and the diameter of the adjusting wheel 1123 is not smaller than the diameter of the adjusting cylinder 1120. The adjusting cylinder 1120 can be adjusted in a rotating mode conveniently, scales can be arranged on the adjusting wheel 1123, and sand outlet speed can be adjusted conveniently and visually.

In this embodiment or other embodiments, a double-ended helical blade 1221 is disposed on the stirring roller 1220, and the stirring roller 1220 can stir sand into the middle of the outer shell 1210 under the action of the double-ended helical blade 1221. The double-ended helical blade 1221 enables fine sand at both ends of the housing 1210 to be transported to the middle, thereby ensuring uniform leakage of the sand leakage hole 1211 and improving the laying quality of the fine sand.

In this embodiment or other embodiments, a chute 1300 is disposed between the kick-out device 1200 and the belt conveyor 2000, the chute 1300 is inclined towards the direction of conveying the belt conveyor 2000, and after fine sand falls into the chute 1300, the chute 1300 can slide and accelerate, so that the fine sand can have a certain initial speed after falling onto the belt conveyor 2000, the fine sand can conveniently move along the advancing direction of the belt conveyor 2000, and the fine sand is prevented from falling off the belt conveyor due to too large speed difference.

In this or other embodiments, the bottom of the chute 1300 is resiliently connected to the housing of the belt conveyor 2000 by a spring 1310. The spring 1310 can play a role in shock absorption, and the influence of the shock of the belt conveyor 2000 on the device is reduced.

The technical effect of this embodiment lies in, this device simple structure, and convenient to use can improve the frictional force between clay and the belt to avoid or reduce the phenomenon of skidding and take place, improve the efficiency of construction, and improve the security in the construction.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (7)

1. A belt conveyor antiskid device in shield construction comprises a sand storage box and a kick-out device, and is characterized in that the sand storage box is arranged above the kick-out device, and the belt conveyor is arranged below the kick-out device; the kick-out device comprises a shell, a material distributing motor and a kick-out roller, the material distributing motor drives the kick-out roller to rotate in the shell, and the bottom of the shell is provided with a plurality of sand leakage holes; the top of the shell is communicated to the sand storage box.

2. The belt conveyor antiskid device in shield construction according to claim 1, wherein the sand storage box is connected to the outer shell through two leg pipes, and the two leg pipes connect the left and right ends of the sand storage box to the left and right ends of the outer shell respectively.

3. The belt conveyor antiskid device in shield construction according to claim 2, wherein the leg tube is rotatably connected with an adjusting cylinder, the diameter of the adjusting cylinder is not less than that of the leg tube, and the periphery of the adjusting cylinder is provided with sand inlet holes and sand outlet holes which are opposite to each other.

4. The belt conveyor antiskid device in shield construction according to claim 3, wherein an adjusting wheel is provided at one end of the adjusting cylinder, and the diameter of the adjusting wheel is not less than the diameter of the adjusting cylinder.

5. The belt conveyor antiskid device in shield construction according to claim 2, wherein the material stirring roller is provided with a double-ended helical blade, and the material stirring roller can stir sand to the middle of the shell under the action of the double-ended helical blade.

6. The belt conveyor antiskid device in shield construction according to claim 4, wherein a chute is arranged between the kick-out device and the belt conveyor, and the chute is inclined towards the conveying direction of the belt conveyor.

7. The belt conveyor antiskid device in shield construction according to claim 6, wherein the chute bottom is elastically connected to a housing of the belt conveyor through a spring.

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