CN110937334A

CN110937334A - Vertical elevator for subway tunnel construction

Info

Publication number: CN110937334A
Application number: CN201911412118.4A
Authority: CN
Inventors: 李爱君; 李春生; 王小强
Original assignee: Henan Zhong Industry Heavy Machinery Co Ltd
Current assignee: Henan Zhong Industry Heavy Machinery Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-31

Abstract

The invention relates to a vertical elevator for subway tunnel construction in the technical field of lifting devices, which comprises a vertical lifting corrugated flange conveyor and a lifting hanging basket, wherein the vertical lifting corrugated flange conveyor comprises a middle frame, two sides of the middle frame are provided with guard plates, the front end of the middle frame is provided with a guard shield, the guard plates on the two sides of the middle frame are connected with vertical groove-shaped guide rails through bolts, an upper group of guide wheel sets and a lower group of guide wheel sets are arranged at positions, corresponding to the groove-shaped guide rails, on the inner side of the lifting hanging basket, the lifting hanging basket is of a U-shaped structure and is sleeved on the outer sides of the guard plates and the guard shield, four corners of the lifting hanging basket are respectively provided with the lifting machine and a safety lock in a matched mode, the lifting machine and the safety lock are respectively provided with. The invention can solve the problem of material sticking of the corrugated flange adhesive tape during muck transfer, and facilitates quick installation, debugging, overhauling and maintenance of operating personnel through the lifting hanging basket.

Description

Vertical elevator for subway tunnel construction

Technical Field

The invention belongs to the technical field of lifting devices, and particularly relates to a vertical type lifting machine for subway tunnel construction.

Background

The slag soil is transported out during the construction of the subway tunnel, which is one of the main works, and the traditional slag discharging process comprises the following steps: the shield machine loads the produced muck into a muck box, the muck box is transported to a muck shaft through a rail car, the gantry crane lifts the muck box out of the ground, the muck box is lifted to a muck field to pour out the muck, and the iron box is returned to the rail car to form circulation. The whole process has the problems of poor continuity, complex operation, high labor intensity, low production efficiency, unsafe property and the like.

Chinese patent No. CN201610844571.2 discloses a vertical lifting corrugated flange conveyor, which is used to lift dregs, and a continuous telescopic belt conveyor is used to convey the dregs from a shield machine to the vertical lifting corrugated flange conveyor, so that the whole slag discharging process is continuous, efficient, good in safety, simple in operation and low in labor intensity. However, when the vertical lifting corrugated flange conveyor is used in the construction of a subway tunnel, and the depth of the subway tunnel is more than 30m, particularly when the depth reaches 60-90m, the installation, the overhaul and the maintenance of equipment are difficult, the installation is inconvenient and unsafe because a scaffold is generally used or a lifting hanging basket is hung by a crane for installation, and during debugging, an operator generally goes up and down through ladders on two sides of a rack, so that the labor intensity is high, the production efficiency is low, and serious potential safety hazards exist.

Disclosure of Invention

In order to solve the technical problems, the invention provides a vertical elevator for subway tunnel construction, which comprises a vertical lifting corrugated flange conveyor and a lifting basket, wherein the vertical lifting corrugated flange conveyor comprises a rack and a corrugated flange rubber belt, an upper carrier roller and a lower carrier roller for supporting the corrugated flange rubber belt are arranged on the rack, the rack comprises a vertically arranged middle frame, a head support arranged above the middle frame and a tail support arranged below the middle frame, the top of the middle frame is connected with the head support through a convex arc section rack, the bottom of the middle frame is connected with the tail support through a concave arc section rack, a transmission roller is arranged on the head support, a tail roller is arranged on the tail support, direction changing wheels are arranged on the convex arc section rack and the concave arc section rack, direction changing rollers are also arranged in the concave arc section rack, the middle part of the corrugated flange rubber belt bypasses the direction changing wheels and the direction changing rollers, the lifting basket is of a U-shaped structure and is sleeved outside the guard plate and the guard shield, four corners of the lifting basket are respectively provided with a lifting machine and a safety lock in a matching manner, the lifting machine and the safety lock are respectively provided with an independent lifting steel wire rope and an independent safety steel wire rope, the upper ends of the lifting steel wire rope and the safety steel wire rope are fixedly connected with the convex arc section rack, the lower ends of the lifting steel wire rope and the safety steel wire rope are fixedly connected with the concave arc section rack, and the lifting steel wire rope and the safety steel wire rope are kept parallel to the groove-shaped guide rail after being tensioned, the elevator is electrically connected with an electric cabinet on the lifting basket.

Preferably, be equipped with washing unit on the head support, washing unit includes high pressure water pump, water pipe and connects the shower nozzle on the water pipe, the shower nozzle is fixed in the below of head support and spout towards ripple flange sticky tape, the water pipe is connected with high pressure water pump, and high pressure water pump is connected with the water source through the pipeline. Because the water content of the dregs generated in the construction process of the subway tunnel is large and reaches 30-40%, when the corrugated flange adhesive tape is used for transporting the dregs, the dregs are easy to adhere to the baffle plates and the partition plates of the corrugated flange adhesive tape and are not easy to fall off, and the corrugated flange adhesive tape can be washed by high-pressure water by adopting a washing device, so that the efficient cleaning is realized.

Preferably, a vibration sweeper is arranged on the head support and is arranged above the corrugated flange adhesive tape return section, a blank section sweeper is arranged on the tail support and is arranged above the corrugated flange adhesive tape return section. Through vibration sweeper and washing device, realize washing and vibrate two kinds and clean the mode and combine together, existing saving washing water that is favorable to can guarantee again to clean more high-efficiently, through setting up the dead end sweeper, can prevent long-pending material between afterbody cylinder and the ripple flange sticky tape, guarantee the reliability of vertical promotion ripple flange conveyer operation.

Preferably, the hanging frame of lift hanging flower basket adopts split type structure, including U-shaped bottom plate, bottom plate frame and guardrail frame all adopt 40 # square steel tube welded forming, the bottom plate adopts 2mm thick decorative pattern steel sheet and lays on the bottom plate frame, still be equipped with the business turn over door that can lock on the guardrail frame, through bolt fixed connection between each components of a whole that can function independently of hanging frame, hanging frame adopts split type structure, makes things convenient for long-distance transport and equipment.

The invention also comprises other components which can enable the vertical elevator for subway tunnel construction to be normally used, for example, an anti-deviation wheel for preventing the deviation of the corrugated flange rubber belt and a driving device for driving the vertical lifting corrugated flange conveyor are also arranged on the frame, and the components are conventional technical means in the field. In addition, the undefined devices or components of the present invention are all those conventionally used in the art.

The working principle of the invention is that the corrugated flange rubber belt is redirected rightwards by a tail roller and an upper carrier roller on a tail support through a redirection wheel of a concave arc section rack and then vertically upwards, is redirected to the upper carrier roller on a convex arc section rack through an upper carrier roller on a middle rack and then horizontally rightwards, reaches a transmission roller through the upper carrier roller on a head support, is redirected to the horizontal leftwards by the transmission roller, is redirected to the vertical downwards by a lower carrier roller on the head support and a redirection wheel on the lower part of the convex arc section rack, is redirected to the horizontal leftwards by a lower carrier roller on the middle rack and a redirection wheel on the concave arc section rack, and forms a closed cycle through the lower carrier roller on the tail support and the tail roller. The bolt fixing holes in the groove-shaped guide rail are waist-shaped, so that the groove-shaped guide rail can be adjusted left and right when being fixed, and the groove-shaped guide rail formed after installation is ensured to be consistent up and down and not to be staggered. Through install the lift hanging flower basket additional on vertical promotion ripple flange conveyer's backplate, make things convenient for the operation personnel to reach fast the equipment and maintain the position to high-efficient safe installing, debugging, maintenance and maintenance.

The device has the advantages that the operation is simple, when the construction depth of the subway tunnel is more than 30m, particularly when the construction depth reaches 60-90m, the device can realize the rapid transfer of muck, effectively solve the problem of material sticking of the corrugated flange adhesive tape, facilitate operators to rapidly reach the assembly and maintenance positions by lifting the hanging basket, and be beneficial to efficiently and safely installing, debugging, overhauling and maintaining the device.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the upper structure of fig. 1.

Fig. 3 is an enlarged schematic view of the middle structure in fig. 1.

Fig. 4 is an enlarged schematic view of a lower structure in fig. 1.

Figure 5 is a schematic view of the lifting basket and fender assembly of figure 1.

Figure 6 is a schematic overall structure view from another perspective of the lifting basket of figure 5.

In the figure: 1-head support, 2-transmission roller, 4-vibration cleaner, 6-ripple edge tape, 7-convex arc section rack, 8-bend wheel, 10-protective cover, 11-middle rack, 12-middle rack supporting leg, 13-concave arc section rack, 14-bend roller, 15-protective plate, 16-empty section cleaner, 17-tail roller, 19-tail support, 23-water washing device, 25-lifting basket, 26-groove type guide rail, 27-guide wheel set, 28-lifter, 29-safety lock, 30-electric cabinet, 31-lifting steel wire rope and 32-safety steel wire rope.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.

Examples

As shown in fig. 1 to 6, the invention provides a vertical elevator for subway tunnel construction, which comprises a vertical elevating corrugated rib conveyor and an elevating basket 25, wherein the vertical elevating corrugated rib conveyor comprises a frame and a corrugated rib rubber belt 6, the frame is provided with an upper carrier roller and a lower carrier roller for supporting the corrugated rib rubber belt 6, the frame comprises a vertically arranged middle frame 11, a head support 1 arranged above the middle frame 11 and a tail support 19 arranged below the middle frame 11, the top of the middle frame 11 is connected with the head support 1 through a convex arc section frame 7, the bottom of the middle frame 11 is connected with the tail support 19 through a concave arc section frame 13, the head support 1 is provided with a transmission roller 2, the tail support 19 is provided with a tail roller 17, the convex arc section frame 7 and the concave arc section frame 13 are both provided with a bend wheel 8, the concave arc section frame 13 is also internally provided with a bend roller 14, the middle part of the corrugated flange rubber belt 6 is wound around a bend wheel 8 and a bend drum 14, two ends of the corrugated flange rubber belt are respectively connected with a transmission drum 2 and a tail drum 17, the back part of the middle frame 11 is provided with middle frame support legs 12, two sides of the middle frame are provided with guard plates 15, the front end of the middle frame is provided with a protective cover 10, the guard plates 15 on two sides of the middle frame 11 are connected with vertical groove-shaped guide rails 26 through bolts, bolt fixing holes on the groove-shaped guide rails 26 are waist-shaped, an upper group of guide wheel sets 27 and a lower group of guide wheel sets 27 are arranged at positions corresponding to the groove-shaped guide rails 26 on the inner side of the lifting hanging basket 25, the lifting hanging basket 25 is of a U-shaped structure and is sleeved on the outer sides of the guard plates 15 and the protective cover 10, 4 lifting machines 28 and 4 safety machines 29 are arranged at four corners of the lifting hanging basket 25 in a, the lower end of the lifting steel wire rope 31 is fixedly connected with the concave arc section frame 13, the lifting steel wire rope 32 is tensioned and then keeps parallel with the groove-shaped guide rail 26, and the lifter 28 is electrically connected with the electric control box 30 on the lifting basket 25.

The head support 1 is provided with a washing device 23, the washing device 23 comprises a high-pressure water pump (not shown in the figure), a water pipe (not shown in the figure) and a spray head (not shown in the figure) connected to the water pipe, the spray head is fixed below the head support 1, a nozzle faces the corrugated flange adhesive tape 6, the water pipe is connected with the high-pressure water pump, and the high-pressure water pump is connected with a water source through a pipeline. Because the water content of the dregs generated in the construction process of the subway tunnel is large and reaches 30-40%, when the ripple flange adhesive tape 6 transports the dregs, the dregs are easy to adhere to the baffle and the clapboard of the ripple flange adhesive tape 6 and are not easy to fall off, and the washing device 23 is adopted, so that the ripple flange adhesive tape 6 can be washed by high-pressure water, and efficient cleaning is realized.

The head support 1 is provided with a vibration sweeper 4, the vibration sweeper 4 is arranged above the return section of the corrugated flange adhesive tape 6, the tail support 19 is provided with a blank section sweeper 16, and the blank section sweeper 16 is arranged above the return section of the corrugated flange adhesive tape 6. Through vibration sweeper 4 and washing device 23, realize washing and two kinds of modes of cleaning of vibration and combine together, existing saving washing water that does benefit to can guarantee again to clean more high-efficiently, through setting up vacant section sweeper 16, can prevent long-pending material between afterbody cylinder 17 and ripple flange sticky tape 6, guarantee the reliability of vertical promotion ripple flange conveyer operation.

The hanging frame of the lifting hanging basket 25 adopts a split type structure and comprises a U-shaped bottom plate, a bottom plate frame and a guardrail frame, wherein the bottom plate frame and the guardrail frame are formed by welding through 40 # square steel tubes, the bottom plate adopts a 2mm thick pattern steel plate and is laid on the bottom plate frame, a lockable access door (not shown in the figure) is further arranged on the guardrail frame, the hanging frame adopts a split type structure through fixed connection of bolts between each split type part of the hanging frame, and the long-distance transportation and the assembly are facilitated.

The working principle of the invention is that the corrugated flange rubber belt 6 is redirected rightwards by a tail roller 17 and an upper carrier roller on a tail support 19 through a redirection wheel 8 of a concave arc section rack 13 and then vertically upwards, is redirected to the upper carrier roller on a convex arc section rack 7 through an upper carrier roller on a middle support 11 and then horizontally rightwards, reaches a transmission roller 2 through the upper carrier roller on a head support 1, is redirected to the left horizontally through the transmission roller 2, is redirected to the downward vertically downwards through a lower carrier roller on the head support 1 and a redirection wheel 8 on the lower part of the convex arc section rack 7, is redirected to the left horizontally through a lower carrier roller on the middle support 11 and a redirection wheel 14 on the concave arc section rack 13, and forms a closed cycle through a lower carrier roller on the tail support 19 and the tail roller 17. The bolt fixing holes on the groove-shaped guide rail 26 are waist-shaped, so that the groove-shaped guide rail 26 can be adjusted left and right during fixing, and the groove-shaped guide rail 26 formed after installation is ensured to be consistent up and down and not to be staggered. Through install lifting hanging flower basket 25 additional on vertical promotion ripple flange conveyer's backplate 15, make things convenient for the operation personnel to reach fast and assemble and maintain the position to high-efficient safe installing, debugging, maintenance and maintenance.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a subway tunnel construction is with vertical lifting machine, includes vertical promotion ripple flange conveyer, its characterized in that: the vertical lifting corrugated flange conveyor comprises a rack and a corrugated flange rubber belt, an upper carrier roller and a lower carrier roller for supporting the corrugated flange rubber belt are arranged on the rack, the rack comprises a vertically arranged middle frame, a head support arranged above the middle frame and a tail support arranged below the middle frame, the top of the middle frame is connected with the head support through a convex arc section rack, the bottom of the middle frame is connected with the tail support through a concave arc section rack, a transmission roller is arranged on the head support, a tail roller is arranged on the tail support, direction changing wheels are arranged on the convex arc section rack and the concave arc section rack, direction changing rollers are further arranged in the concave arc section rack, the direction changing wheels and the direction changing rollers are bypassed in the middle of the corrugated flange rubber belt, two ends of the corrugated flange rubber belt are respectively connected with the transmission roller and the tail roller, and middle frame supporting legs are arranged at the back of the middle frame, both sides are equipped with the backplate, and the front end is equipped with the guard shield, there is vertical cell type guide rail through bolted connection on the backplate of intermediate frame both sides, bolt fastening hole on the cell type guide rail is waist circle shape, two sets of direction wheelsets about the inboard position corresponding with the cell type guide rail of lift hanging flower basket is provided with, the lift hanging flower basket is the U-shaped structure and overlaps and establish in the backplate and the guard shield outside, four angles of lift hanging flower basket are supporting respectively and install lifting machine and safety lock, lifting machine and safety lock are equipped with independent lifting wire rope and safety wire rope separately, lifting wire rope and safety wire rope upper end and convex arc section frame fixed connection, lower extreme and concave arc section frame fixed connection, lifting wire rope and safety wire rope keep parallel with the cell type guide rail after taut, the lifting machine is connected with the electric.

2. The vertical hoist for subway tunnel construction as claimed in claim 1, wherein: the head support is provided with a washing device, the washing device comprises a high-pressure water pump, a water pipe and a nozzle connected to the water pipe, the nozzle is fixed below the head support, the nozzle faces the corrugated flange adhesive tape, the water pipe is connected with the high-pressure water pump, and the high-pressure water pump is connected with a water source through a pipeline.

3. The vertical hoist for subway tunnel construction as claimed in claim 2, wherein: the head support is provided with a vibration sweeper, the vibration sweeper is arranged above the corrugated flange adhesive tape returning section, the tail support is provided with a blank section sweeper, and the blank section sweeper is arranged above the corrugated flange adhesive tape returning section.

4. The vertical hoist for subway tunnel construction as claimed in claim 3, wherein: the lifting basket is characterized in that the lifting frame of the lifting basket is of a split structure and comprises a U-shaped bottom plate, a bottom plate frame and a guardrail frame, wherein the bottom plate frame and the guardrail frame are formed by welding No. 40 square steel tubes, the bottom plate is made of a 2mm thick pattern steel plate and laid on the bottom plate frame, a lockable access door is further arranged on the guardrail frame, and all parts of the lifting frame are fixedly connected through bolts.