CN211337525U

CN211337525U - Improved belt conveying device suitable for shield machine

Info

Publication number: CN211337525U
Application number: CN201922361991.7U
Authority: CN
Inventors: 郑伟; 郭宏耀; 刘恒; 吕专真; 陈贝贝; 陈福涛; 李峰
Original assignee: Xiamen XGMA CREC Heavy Machinery Co Ltd
Current assignee: Xiamen XGMA CREC Heavy Machinery Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-25
Anticipated expiration: 2029-12-25

Abstract

The utility model provides an improvement band conveyer suitable for shield constructs machine, its includes base, support, bearing roller, connecting plate and belt, the quantity of bearing roller be three, the support of both sides fix on the base, the bearing roller pass through round pin axle and leg joint by the connecting plate, the outer disc of belt and bearing roller contact, the bearing roller between adopt the round pin axle articulated, the bearing roller between have the linkage.

Description

Improved belt conveying device suitable for shield machine

Technical Field

The utility model relates to a shield constructs the machine, especially relates to an improvement band conveyer suitable for shield constructs machine.

Background

The shield machine is a tunnel boring machine using a shield method, and is provided with a belt conveying device, wherein the belt conveying device is used for conveying articles such as muck, the belt conveying device on the traditional shield machine is shown in figure 1 and comprises a base a, carrier rollers b, a belt d machine support c and a belt d, the six supports c are welded and fixed on the base a, the carrier rollers b are arranged between every two groups of supports c, the carrier rollers b are fixed by the supports c, and the belt d is directly contacted with the outer circular surface of the carrier rollers b and slides on the carrier rollers b; the support c is complex in structure, the welding quantity of the support c on the base a is large, the precision is difficult to control, the manufacturing cost is high, meanwhile, the carrier roller b is fixed on the support c, the position of the carrier roller b cannot be adjusted, when the shield tunneling machine turns, the belt d slides to one side easily, the carrier roller b on one side cannot rotate due to insufficient friction force caused by deviation of the belt d, and therefore the carrier roller b is not rotated for a long time and is easy to rub and wear with the belt d to cause damage of the carrier roller b due to eccentric wear.

In view of the above, the present inventors have made extensive studies on the defects in the prior art, and have made this disclosure.

Disclosure of Invention

An object of the utility model is to provide an easily processing, simple structure, safe and reliable easily changes, and can effectively prevent the belt conveyors of bearing roller eccentric wear problem.

In order to achieve the above object, the solution of the present invention is: the utility model provides an improvement band conveyer suitable for shield constructs machine, its includes base, support, bearing roller, connecting plate and belt, the quantity of bearing roller be three, the support of both sides fix on the base, the bearing roller pass through round pin axle and leg joint by the connecting plate, the outer disc of belt and bearing roller contact, the bearing roller between adopt the round pin axle articulated, the bearing roller between have the linkage.

Through the design, because the connection of adopting is the round pin axle is articulated between bearing roller and bearing roller, it makes the bearing roller can rotate round the round pin axle, makes conveyor have certain deformation space when being located the position of turning like this, reduces the off tracking range of belt, makes the eccentric wear problem that can reduce the bearing roller and produce.

Furthermore, a spring is arranged between the supporting roller and the outer circular surface of the supporting roller.

Through having increased the spring between the bearing roller, flexible connection through the spring makes can synchronous rotation between bearing roller and the bearing roller, prevents to have and grinds futilely between a pivoted bearing roller and the belt, prevents the sliding friction wearing and tearing between bearing roller and the belt.

Further, the left side springs of the two springs are arranged in a right-handed direction, and the right side springs are arranged in a left-handed direction.

Adopt the dextrorotation to arrange through the Tan river with left, the right side spring adopts the levogyration design, two springs all have inside extruded reaction force to the belt, when the belt does not have the off tracking, two kinds of effort are balanced, when the belt deflects towards the left side, the effort of the left spring of belt team is obviously greater than the right side spring this moment, it is corresponding, the effort of left side spring to the belt rightwards just is greater than the effort of right side spring to the belt towards the left side, the belt is slowly adjusted inwards under the effort of left spring this moment, reach the purpose of rectifying.

Further, the outer surface of the spring is provided with a friction layer skin for increasing the friction force of the spring.

Furthermore, the friction layer skin is of a composite rubber structure.

The spring adopts a composite structure of outer rubber. May be used to increase the friction of the spring against the belt.

Further, the carrier roller comprises end covers, bearing seats, bearings, a shaft and a cylinder body, wherein the end covers are positioned on two sides of the carrier roller, the bearing seats are arranged on the side of the end covers and are in contact with the shaft, the bearings are arranged in the bearing seats, and the end covers, the bearing seats and the cylinder body are connected into a whole through welding and can rotate around the shaft.

Through the design, the supporting rollers are hinged by the pin shafts, so that the supporting rollers have linkage, a certain deformation space is formed when the belt turns, the deviation amplitude of the belt is reduced, and meanwhile, the number of the supporting frames of the supporting rollers is reduced to 2, so that the structure is simple, the installation is easy, and the production cost is reduced; meanwhile, the outer aid surfaces of adjacent carrier rollers are connected by springs, the left springs and the right springs are arranged in different spiral directions, the carrier rollers can be prevented from rotating and dry-grinding a belt, and meanwhile, when the belt deviates, the springs have inward deviation rectifying force on the belt, so that the automatic deviation rectifying effect is achieved.

Drawings

FIG. 1 is a schematic cross-sectional view of a conventional belt conveyor;

fig. 2 is a schematic cross-sectional view of the belt conveyor of the present invention;

fig. 3 is a perspective view and a schematic view of a partially enlarged view a of the belt conveyor of the present invention;

fig. 4 is a perspective view and a schematic partial enlarged view B of the belt conveyor of the present invention;

fig. 5 is a schematic cross-sectional view of the spring of the present invention.

Reference numerals

Belt conveyor 100, base 1, bracket 2, belt 4, connecting plate 31, idler 3, pin 5, bolt 6, spring 33, end cover 321, bearing seat 322, bearing 323, shaft 324, cylinder 325, bracket connecting portion 21, and bracket mounting portion 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The utility model discloses a novel belt conveying device 100, wherein the belt 4 conveying device 100 is suitable for a shield machine and is used for conveying muck; the belt conveying device 100 is shown in fig. 3, and comprises a base 1, a support 2, a plurality of groups of carrier rollers 3, a connecting plate 31, a spring 33 and a belt 4, wherein the base 1 is positioned at two sides of the whole belt conveying device 100, is hollow in the middle and is used for mounting the carrier rollers 3; three carrier rollers 3 are arranged between the bases 1, the carrier rollers 3 are connected with the bases 1 through connecting plates 31 and are connected with the supports 2, the carrier rollers 3 are connected with the connecting plates 31 through bolts 6, the other ends of the connecting plates 31 are connected with the supports 2 through the bolts 6, the supports 2 are T-shaped and are provided with connecting parts 21 and mounting parts 22, the connecting parts 21 are used for being connected with the connecting plates 31, and the mounting parts 22 are fixed on the bases 1 through the bolts 6; the carrier rollers 3 are connected with the carrier rollers 3 through pin shafts 5 and can rotate around the pin shafts 5, and the carrier rollers 3 are linked, so that the conveying device has a certain deformation space at the turning position of the belt 4, the deviation amplitude of the belt 4 can be reduced, the number of the supports 2 of the carrier rollers 3 is reduced to 2, the structure is simpler, the installation is easy, and the manufacturing cost is greatly reduced; the belt 4 is arranged on the outer circular surface of the carrier roller 3, when the carrier roller works and operates, the belt 4 drives the roller to drive the belt 4 to slide, and the carrier roller 3 is driven to rotate in the sliding process of the belt 4.

As shown in fig. 2 and 4, the idler 3 includes end covers 321, bearing seats 322, bearings 323, a shaft 324 and a cylinder 325, the end covers 321 are located at two sides of the idler 3, the shaft 324 has a protruding connection part through the end covers 321, the protruding connection part is used for connecting the idler 3 to another idler 3 through a bolt 6, the bearing seats 322 are installed at the side of the end covers 321 to contact with the shaft 324, the end covers 321, the bearing seats 322 and the cylinder 325 are connected into a whole in a welding manner, the inner ring of the bearing 323 is sleeved on the shaft, the outer ring is sleeved in the bearing seats 322, when in operation, as the end covers 321, the bearing seats 322 and the cylinder 325 form a whole, the bearing can rotate around the shaft 324, and meanwhile, the outer ring surfaces of the three idlers 3 are flexibly connected through springs 33 between the idler 3 and the outer ring surfaces of the idlers 3, so that only two idlers 3 rotate, the rotating speed of the third carrier roller 3 can be ensured to be consistent with that of the other two carrier rollers 3, sliding friction and abrasion between the carrier rollers 3 and the belt 4 can be prevented, meanwhile, the three carrier rollers 3 are provided with a left spring 33 and a right spring 33, wherein the left spring 33 is arranged in a right-handed manner, the right spring 33 is arranged in a left-handed manner, the springs 33 are enabled to have reaction forces in different directions when being acted by the belt 4 by adopting the springs 33 in different rotating directions, the left spring 33 has a reaction force towards the right on the belt 4, the right spring 33 has a reaction force towards the left on the belt 4, the reaction forces of the two springs 33 on the belt 4 are inwards extruded, when the belt 4 is not deflected in operation, the two reaction forces are balanced, when the belt 4 is deflected towards the left, the action force of the belt 4 on the left spring 33 is obviously greater than the action force on the right spring 33, correspondingly, the acting force of the left spring 33 to the belt 4 towards the right is greater than the acting force of the right spring 33 to the belt 4 towards the left, and at the moment, the belt 4 is slowly adjusted inwards under the acting force of the left spring 33, so that the purpose of correcting deviation is achieved; when the belt 4 deflects towards the right, the direction of the force is opposite to that when the belt 4 deflects towards the left, and the purpose of correcting the deviation can be achieved.

As shown in FIG. 5, the spring 33 may be a composite structure with rubber lining, which not only increases the reaction friction of the spring 33 on the belt 4 and increases the deviation rectifying force of the spring 33 on the belt 4, but also reduces the wear of the spring 33 on the belt 4.

The design improves the connection mode between the carrier rollers on the belt conveying device, so that the carrier rollers have linkage, a certain deformation space is formed at the turning position of the belt, the deviation degree of the belt is reduced, and the structure is simple, the installation is convenient and the production cost is reduced due to the reduction of the brackets used by the carrier rollers; simultaneously, the spring is additionally arranged on the outer circular surface of the carrier roller, so that a certain carrier roller can be prevented from rotating and being dry-ground with a belt, the automatic deviation rectifying capability is realized on the belt, and the automatic deviation rectifying effect is realized.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides an improvement band conveyer suitable for shield constructs machine, its includes base (1), support (2), bearing roller (3), connecting plate (31) and belt (4), the quantity of bearing roller (3) be three, both sides support (2) fix on base (1), bearing roller (3) be connected with support (2) through round pin axle (5) by connecting plate (31), the outer disc of belt (4) and bearing roller (3) contact, its characterized in that, bearing roller (3) between adopt round pin axle (5) articulated, bearing roller (3) between have the linkage.

2. The improved belt conveying device for the shield tunneling machine according to claim 1, wherein a spring (33) is further provided between the supporting roller (3) and the outer circumferential surface of the supporting roller (3).

3. An improved belt conveyor system for use in a shield tunneling machine according to claim 2, wherein said springs (33) on the left side have a right-hand orientation and said springs (33) on the right side have a left-hand orientation.

4. An improved belt conveyor system for use in a shield tunneling machine according to claim 2 or 3, wherein the outer surface of said spring (33) has a friction layer to increase its friction.

5. The improved belt conveyor system for shield tunneling machines of claim 4, wherein said friction layer is a composite rubber structure.

6. The improved belt conveying device for the shield tunneling machine of claim 1, wherein the idler (3) comprises an end cover (321), a bearing seat (322), a bearing (323), a shaft (324) and a cylinder (325), the end cover (321) is located on two sides of the idler (3), the bearing seat (322) is installed on the side of the end cover (321) and contacts with the shaft (324), the bearing (323) is installed in the bearing seat (322), and the end cover (321), the bearing seat (322) and the cylinder (325) are connected into a whole by welding and can rotate around the shaft (324).