CN212693035U

CN212693035U - A dregs weighing device for shield constructs belt feeder

Info

Publication number: CN212693035U
Application number: CN202021640174.1U
Authority: CN
Inventors: 吴问霆; 宗伟奇; 刘灿文; 陈琦
Original assignee: Cssc Heavy Equipment Co ltd
Current assignee: Cssc Heavy Equipment Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-12
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a muck weighing device for a shield belt conveyor, which comprises a fixed frame, a fixed base, a suspension frame and a weighing frame, wherein two ends of the weighing frame are fixedly connected with a fixed support I through a convex plate; the weighing frame is positioned below the suspension rod I, and a weighing sensor is fixedly connected to the surface of the weighing frame, which is in contact with the suspension rod I; an adjusting screw is movably connected in the suspension rod I above the weighing sensor, and the moving direction of the adjusting screw is parallel to the suspension rod II; the bottom of one end swing joint U type frame of adjusting screw, the top fixed connection of U type frame are in ball bearing's center pin both sides, and ball bearing and bellying board contact, and can roll along vertical direction on the bellying board. The utility model discloses restricted the degree of freedom of suspension frame and its top belt feeder in the horizontal plane, only kept its degree of freedom in vertical direction, ensured that it can not take place to remove in the horizontal plane, but furthest's the precision that utilizes weighing sensor realizes that the high accuracy is weighed.

Description

A dregs weighing device for shield constructs belt feeder

Technical Field

The utility model relates to a shield constructs quick-witted technical field, concretely relates to dregs weighing device for shield constructs belt feeder.

Background

After a city is developed to a certain scale, traffic jam in a core area of the city becomes an important factor restricting the development of the city, and to solve the problem, an engineer turns the eyes to the underground, and inconvenience brought by traffic jam to people in going is relieved through the construction of underground rail transit and underground passages. At present, underground traffic of a plurality of cities in China is relatively laggard, and an underground traffic system with a corresponding scale needs to be constructed urgently. The shield machine is a common device for underground traffic system construction, the shield machine is a special engineering machine for tunnel excavation, the modern shield machine integrates light, mechanical, electrical, hydraulic, sensing and information technologies, has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like, relates to multiple subject technologies such as geology, construction, machinery, mechanics, hydraulic pressure, electricity, control, measurement and the like, and is designed and manufactured in a 'body-measuring clothes' mode according to different geology, and the reliability requirement is extremely high. The shield tunneling machine is widely used for tunnel engineering of subway, railway, highway, municipal administration, hydropower and the like.

In the construction process of the shield machine, muck is mainly transported through a belt conveyor and a mud pump, and the belt conveyor is used for weighing and managing the muck tunneled by a cutter head of the shield machine in order to prevent the occurrence of the phenomenon of overbreak and overbreak, so that the problem that how to realize accurate muck weighing is urgently to be solved by technical personnel is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dregs weighing device for shield constructs belt feeder to the not enough of prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a muck weighing device for a shield belt conveyor comprises a fixing frame, wherein the fixing frame comprises two parallel and equal fixing supports I and a fixing support II fixed between the two fixing supports I, and the fixing supports II are perpendicular to the fixing supports I and are respectively and fixedly connected to one ends of the fixing supports I;

the two fixing bases are respectively positioned on the upper surface of one side of the two fixing supports I connected with the fixing support II; the two roller bearings are respectively and axially connected in the two fixed bases, and the centers of the two roller bearings are fixedly connected with the two ends of the fixed rod;

the suspension frame comprises two parallel suspension rods I and at least two suspension rods II, wherein one sides of the two suspension rods I are fixedly connected with fixing rods through supports, two ends of each suspension rod II are respectively and fixedly connected to the two suspension rods I, the suspension rods I are parallel to the fixing supports I, and the suspension rods II are parallel to the fixing supports II; one ends of the suspension rod I and the fixed support I, which are close to the weighing frame, can rotate around the fixed rod; a carrier roller is arranged on the suspension bracket, and a belt conveyor for bearing muck is movably connected to the carrier roller;

the weighing frame is parallel to the fixed support II and is positioned at the other end of the fixed support I; two ends of the weighing frame are fixedly connected with the fixing support I through the protruding plates; the weighing frame is positioned below the suspension rod I, and a weighing sensor is fixedly connected to the surface of the weighing frame, which is in contact with the suspension rod I; an adjusting screw is movably connected in the suspension rod I above the weighing sensor, and the moving direction of the adjusting screw is parallel to the suspension rod II; one end swing joint U type frame's of adjusting screw bottom, the top fixed connection of U type frame is in ball bearing's center pin both sides, ball bearing and protruding board contact, and can roll along vertical direction on protruding board.

Further, the suspension rod II is located between the fixing support II and the weighing frame.

Furthermore, the carrier roller is fixedly connected between two adjacent suspension rods II.

Furthermore, the fixed support I and the fixed support II are located in the same horizontal plane, and the height of the weighing frame is lower than that of the fixed support I and the fixed support II.

Furthermore, the muck weighing device further comprises an adjusting nut, wherein the adjusting nut is movably connected with the adjusting screw and is positioned on the contact surface of the adjusting screw and the suspension rod I.

Furthermore, the fixing support I is an L-shaped support, the fixing support I comprises a horizontal fixing support I and vertical fixing supports I, the upper surface of the horizontal fixing support I is fixedly connected with a fixing base, and the two vertical fixing supports I are fixedly connected with the two ends of a fixing support II; and the vertical fixing bracket I is positioned on one side close to the weighing sensor.

Furthermore, the protruding plate is parallel to vertical fixed bolster I, and with I fixed connection of vertical fixed bolster.

Further, vertical fixed bolster I highly equals the height of suspension pole I, just the lower surface of vertical fixed bolster I and suspension pole I is fixed on the horizontal direction.

The beneficial effects of the utility model reside in that: the utility model discloses restricted the degree of freedom of suspension frame and its top belt feeder in the horizontal plane, only kept its degree of freedom in vertical direction, ensured that it can not take place to remove in the horizontal plane, but furthest's the precision that utilizes weighing sensor realizes that the high accuracy is weighed.

Drawings

FIG. 1 is a top view of the muck weighing device of the present invention;

FIG. 2 is a side view of the muck weighing device of the present invention;

FIG. 3 is a left side view of the muck weighing device of the present invention;

FIG. 4 is a schematic diagram of the position of a weighing sensor in the muck weighing device of the utility model;

reference numerals: 11 fixed bolster I, 12 fixed bolster II, 13 unable adjustment base, 14 roller bearings, 15 dead levers, 16 weighing racks, 17 raised plates, 21 suspension pole I, 22 suspension pole II, 23 supports, 24 weighing sensor, 31 adjusting screw, 32U type frame, 33 ball bearing, 111 horizontal fixed bolster I, the vertical fixed bolster I of 112.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

referring to the attached drawings 1-4, the utility model provides a muck weighing device for a shield belt conveyor, which comprises a fixed frame, wherein the fixed frame comprises two parallel and equal fixed supports I11 and a fixed support II 12 fixed between the two fixed supports I11, and the fixed support II 12 is perpendicular to the fixed supports I11 and is respectively and fixedly connected with one end of the fixed supports I; the fixed support I and the fixed support II are located in the same horizontal plane. The two fixing bases 13 are respectively positioned on the upper surface of one side of the two fixing supports I11, which is connected with the fixing support II 12; the fixed base 13 comprises a cylindrical through hole penetrating through the fixed base, roller bearings 14 are arranged in the through hole, and the centers of the two roller bearings are fixedly connected with the two ends of a fixed rod 15; the fixing rod can drive the roller bearing to rotate in the through hole.

The muck weighing device also comprises a weighing frame 16, wherein the weighing frame is parallel to the fixed support II 12 and is positioned at the other end of the fixed support I11; two ends of the weighing frame 16 are fixedly connected with the fixing support I11 through the convex plates 17; the height of the weighing frame 16 in the horizontal direction is lower than that of the fixing frame, and the protruding plate is located at the same height as the fixing frame and used for connecting the weighing frame 16 with the fixing support I11. In the top view of fig. 1, it can be seen that the fixing bracket i 11, the fixing bracket ii 12 and the weighing rack 16 form a hollow rectangle; the side view in fig. 2 and the left side view in fig. 3 show that the height of the weigh frame 16 is lower than the height of the mount, and that both the mount and the weigh frame are horizontally disposed.

The muck weighing device further comprises a suspension frame, the suspension frame comprises two parallel suspension rods I21 and at least two suspension rods II 22, one side of each of the two suspension rods I21 is fixedly connected with the fixing rod 15 through a support 23, and the other end of each of the two suspension rods I21 is in contact with the weighing frame 16. The both ends of suspension pole II 22 are fixed connection respectively on two suspension poles I21, and suspension pole I21 is on a parallel with fixed bolster I11, and suspension pole II 22 is on a parallel with fixed bolster II 12, as shown in figure 1, one of them suspension pole II is located between dead lever and the fixed bolster II, and another suspension pole II is located between dead lever and the weighing-rack. In the utility model, the suspension rod I21, the suspension rod II 22, the fixed bracket I11 and the fixed bracket II 12 are positioned in the same horizontal plane, and the suspension frame is nested in the fixed bracket; one ends of the suspension rod I21 and the fixed bracket I11, which are close to the weighing frame 16, can rotate around the fixed rod 15; the suspension frame is provided with a carrier roller, and the carrier roller is movably connected with a belt conveyor for bearing dregs. The relationship between the carrier roller, the belt conveyor and the muck can be found in the prior art and will not be described in detail here.

The carrier roller fixed connection is between two adjacent suspension poles II. Use two suspension poles II to explain as the example in the drawing, the bearing roller is installed between two suspension poles II, and wherein, the suspension pole II that is close to weighing sensor one side is more near apart from weighing sensor, and then the structure of weighing is more accurate, and in fact, this suspension pole II can not infinitely be close to weighing sensor, therefore there is certain distance between belt feeder and the dregs of the soil and the weighing sensor above it, and the weighing error that this distance brought can be rectified through the algorithm.

With continued reference to fig. 1-4, the weighing frame 16 is located below the suspension rod i 21, and a weighing sensor 24 is fixedly connected to a surface of the weighing frame 16 contacting the suspension rod i 21; note that the load cell is fixedly mounted on the weighing frame, and the upper surface of the load cell is in contact with the suspension rod I. And an adjusting screw 31 is movably connected in the suspension rod I21 above the weighing sensor 24, the adjusting screw 31 penetrates through the suspension rod I21, and the moving direction of the adjusting screw 31 is parallel to the suspension rod II 22. Adjusting screw 31 is close to the bottom of the one end swing joint U type frame 32 of fixed bolster I, and the top fixed connection of U type frame 32 is in ball bearing 33's center pin both sides, and ball bearing 33 and bellying board 17 contact, and can roll along vertical direction on bellying board 17. The adjusting nut is movably connected with the adjusting screw 31 and is positioned on the contact surface of the adjusting screw 31 and the suspension rod I21. By controlling the position of the adjusting nut, the adjusting screw and the U-shaped frame drive the ball bearing to be in contact with the protruding plate, and therefore no gap is formed between the suspension frame II and the fixed support frame II. Therefore, the suspension frame is fixed in the horizontal plane, deviation can not occur, and the suspension frame can only rotate around the fixed rod, so that the belt conveyor on the suspension frame can not deviate, the precision of the weighing sensor can be utilized to the maximum extent, and high-precision weighing is realized.

As shown in fig. 4, the fixing bracket i may be, but is not limited to, an L-shaped bracket, and includes a horizontal fixing bracket i 111 and a vertical fixing bracket i 112, the upper surface of the horizontal fixing bracket i is fixedly connected to the fixing base 13, and the vertical fixing bracket i 112 is fixedly connected to two ends of the fixing bracket ii 12; and the vertical fixing bracket i 112 is located on the side close to the load cell 24, i.e., the inside of the rectangle. The height of the vertical fixing support I112 is equal to that of the suspension rod I21, and the lower surfaces of the vertical fixing support I112 and the suspension rod I21 are fixed in the horizontal direction; the convex plate 17 is parallel to the vertical fixing support I112 and is fixedly connected with the vertical fixing support I112. The utility model discloses weighing device's mounting means attached 2 and attached 3 show, and mount and suspension frame are fixed in same horizontal plane, and weighing frame 16 is fixed in the horizontal plane that is less than the mount, and weighing sensor horizontal installation is on weighing frame. It should be noted that, in the present invention, the weighing sensors, the U-shaped frame, the roller bearings, the adjusting screws, etc. located at the two ends of the weighing frame 16 are all symmetrical and the same, and only one side is taken as an example in fig. 4, and the other side has the same structure, which is not necessary to be specifically shown in the drawings.

The utility model discloses restricted the degree of freedom of suspension frame and its top belt feeder in the horizontal plane, only kept its degree of freedom in vertical direction, ensured that it can not take place to remove in the horizontal plane, but furthest's the precision that utilizes weighing sensor realizes that the high accuracy is weighed.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A muck weighing device for a shield belt conveyor is characterized by comprising a fixing frame, wherein the fixing frame comprises two parallel and equal fixing supports I and a fixing support II fixed between the two fixing supports I, and the fixing supports II are perpendicular to the fixing supports I and are respectively and fixedly connected to one ends of the fixing supports I;

2. The muck weighing device for the shield belt conveyor as claimed in claim 1, wherein the suspension rod II is positioned between the fixing support II and the weighing frame.

3. The muck weighing device for the shield belt conveyor of claim 2, wherein the carrier roller is fixedly connected between two adjacent suspension rods II.

4. The muck weighing device for the shield belt conveyor as claimed in claim 1, wherein the first fixing support and the second fixing support are located in the same horizontal plane, and the height of the weighing frame is lower than that of the first fixing support and that of the second fixing support.

5. The muck weighing device for the shield belt conveyor of claim 1, further comprising an adjusting nut, wherein the adjusting nut is movably connected with the adjusting screw and is positioned on a contact surface of the adjusting screw and the suspension rod I.

6. The muck weighing device for the shield belt conveyor as claimed in claim 1, wherein the fixing support I is an L-shaped support and comprises a horizontal fixing support I and a vertical fixing support I, the upper surface of the horizontal fixing support I is fixedly connected with a fixing base, and the two vertical fixing supports I are fixedly connected with two ends of a fixing support II; and the vertical fixing bracket I is positioned on one side close to the weighing sensor.

7. The muck weighing device for the shield belt conveyor of claim 6, wherein the convex plate is parallel to and fixedly connected with the vertical fixing support I.

8. The muck weighing device for the shield belt conveyor as claimed in claim 6, wherein the height of the vertical fixing support I is equal to that of the suspension rod I, and the lower surfaces of the vertical fixing support I and the suspension rod I are fixed in the horizontal direction.