CN220393093U - Heavy grade assists fortune tunnel and lifts by crane support - Google Patents

Abstract

The utility model discloses a large-gradient auxiliary transportation roadway lifting support which comprises two upright posts, wherein the lower ends of the upright posts are provided with bases which are detachably and fixedly connected with tracks paved in a roadway, the upper ends of the upright posts are fixedly connected with lifting arms of a cantilever structure, a first truss used for reinforcement is arranged between the lifting arm lifting side and the adjacent upright posts, the free ends of the lifting arms are provided with telescopic mechanisms, and the telescopic mechanisms can be adjusted to be abutted against roadway sides. The lifting support provided by the utility model utilizes two groups of rails laid in the auxiliary inclined shaft, the base of the lifting support is fixedly connected with the rails, and the tail end of the lifting arm of the cantilever structure is fixedly connected with the roadway side, so that the lifting safety and stability are ensured. The lifting support is convenient and quick to install, can be flexibly installed at a proper position in an engineering operation section, can be provided with a plurality of lifting points in the length range of the lifting arm, and can adjust the lifting position according to operation requirements.

Description

Heavy grade assists fortune tunnel and lifts by crane support

Technical Field

The utility model relates to the field of mining equipment, in particular to a large-gradient auxiliary transportation roadway lifting support.

Background

The auxiliary inclined shaft of the coal mine is a high-gradient roadway constructed at a proper position according to the transportation requirement by combining with the geological condition of the coal mine according to the use requirement, and is used as a special-function roadway, so that the construction period is shortened while the safe transportation is satisfied, and a stone-made structure is generally adopted. Because the tunnel adopts a supporting mode of the arch, a lifting anchor rod cannot be constructed, the difficulty is brought to the site safe lifting operation, and when facilities such as pipelines are installed, pipelines such as air supply, water supply or drainage are required to be transported, lifted and installed, manual operation is fully adopted, the construction difficulty is high, the work efficiency is low, the labor intensity is high, and the safety is not controlled.

Because the construction operation area is long, the roadway gradient is large, and the difficulty of installing the stable support is large. In order to ensure smooth construction of engineering, a lifting support suitable for large-gradient auxiliary roadway operation needs to be designed so as to meet the operation requirements of special working conditions.

Disclosure of Invention

The utility model provides a lifting bracket for a heavy-gradient auxiliary roadway, which aims to solve the technical problems of high construction difficulty and high safety risk in lifting operation of a heavy-gradient roadway.

The utility model adopts the following technical scheme: the utility model provides a heavy grade assists fortune tunnel and lifts by crane support, includes two stands, and the lower extreme of stand sets up the track of laying in base detachably fixed connection tunnel, and the lifting arm of cantilever structure is connected to the upper end fixed connection of stand, lifts by crane and is provided with the first truss that is used for the reinforcement between cantilever side and the adjacent stand, and the free end of lifting arm is provided with telescopic machanism, and telescopic machanism is adjustable to make it butt on the lane group.

Further, the lifting arm adopts a parallel chord truss.

Further, web members for reinforcement are connected between the two upright posts and the lifting arms in pairs.

Further, the base comprises a U-shaped clamping seat, the U-shaped clamping seat is buckled on the track, and the lower end of the U-shaped clamping seat is fixed by using a first bolt and a nut.

Further, the telescopic mechanism comprises a fixed plate fixed on the end part of the lifting arm, a plurality of second bolts are connected to the fixed plate in a threaded mode, nuts are connected to the second bolts in a threaded mode, and the nuts and screw heads of the second bolts are located on the inner side of the fixed plate.

The lifting support disclosed by the utility model utilizes two groups of rails laid in the auxiliary inclined shaft, the base of the lifting support is fixedly connected with the rails, the tail end of the lifting arm of the cantilever structure is fixedly connected with the roadway side, the base can be reliably fixed with the rails laid on the operation site, and the free end of the lifting arm is provided with the adjustable telescopic mechanism, so that the lifting arm can be tightly abutted with the roadway side top, and the lifting safety and stability are ensured. The lifting support for the large-gradient auxiliary transportation roadway is convenient and quick to install, can be flexibly arranged at a proper position in an engineering operation section, can be provided with a plurality of lifting points in the length range of a lifting arm, and can adjust the lifting position according to operation requirements.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the base of the present utility model;

fig. 3 is a schematic structural view of the telescopic mechanism of the present utility model.

In the figure: 1. a base; 11. a U-shaped clamping seat; 12. a first bolt; 2. a column; 3. lifting the boom; 4. a telescoping mechanism; 41. a fixing plate; 42. a second bolt; 5. a first truss; 6. and a web member.

Detailed Description

In order to better understand the purpose, structure and function of the present utility model, a heavy-gradient auxiliary roadway hoisting bracket of the present utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, a large-gradient auxiliary transportation roadway hoisting support comprises two upright posts 2, wherein the lower ends of the upright posts 2 are provided with tracks paved in a base 1 detachably and fixedly connected roadway, the upper ends of the upright posts 2 are fixedly connected with a hoisting arm 3 of a cantilever structure, a first truss 5 used for reinforcement is arranged between the overhanging side of the hoisting arm 3 and the adjacent upright posts 2, the free ends of the hoisting arm 3 are provided with telescopic mechanisms 4, and the telescopic mechanisms 4 can be adjusted to be abutted to the roadway sides.

In this embodiment, the parallel chord truss is adopted for the lifting arm 3, so that enough lifting height and bearing capacity can be ensured, the lifting arm 3 can be installed according to objects such as pipe fittings and the like, and lifting points of a loading and unloading vehicle are different, and the lifting points capable of meeting use requirements are correspondingly arranged. The web members 6 used for reinforcement are connected between the two upright posts 2 and the lifting arms 3 in pairs, so that the integral structural strength of the lifting support can be enhanced.

As shown in fig. 2, the base 1 includes a U-shaped clamping seat 11, the U-shaped clamping seat 11 is fastened on the rail, and the lower end is fixed by using a first bolt 12 and a nut. The lifting support can flexibly move, is convenient and quick to detach and install, and has strong adaptability.

As shown in fig. 3, the telescopic mechanism 4 includes a fixing plate 41 fixed on the end of the boom 3, a plurality of second bolts 42 are screwed on the fixing plate 41, nuts are screwed on the second bolts 42, and the nuts and the heads of the second bolts are both located on the inner side of the fixing plate 41.

According to the large-gradient auxiliary transportation roadway lifting support, two supports are matched in a group, the distance between the two supports is determined according to the length of a lifted object, and the large-gradient auxiliary transportation roadway lifting support is firmly fixed with a paved track clamping plate of a roadway through the base 1. The end part of the lifting arm 3 is provided with a telescopic mechanism 4 which is matched with a column cap and the like to tightly press the lifting arm 3 against the roadway side, so that the lifting operation is ensured to be safe and reliable, and a lifting chain is fixed at the reinforcing rib of the lifting arm 3 for lifting during lifting. When the loading and unloading truck works, the flat truck is stopped on the track at the joint part of the lifting bracket and the working area, and the phi 18 multiplied by 64 anchor chain is matched with the car arrester to firmly lock and fix the flat truck, so that the requirement of the safe loading and unloading truck is met.

The large-gradient auxiliary transportation roadway lifting support is applied to the auxiliary inclined shaft drainage pipeline replacement engineering after the design and processing are completed, the lifting support ensures safe and smooth construction of a pipeline laying engineering on the premise that an auxiliary inclined shaft cannot construct a lifting anchor rod, the support is simple to mount and operate and convenient to move, the lifting support can be popularized and applied to similar operation sites, the labor intensity of operators is reduced, the safety risk of lifting operation is reduced, the engineering construction efficiency is improved, and the lifting support has good popularization and application values.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a fortune tunnel lifting support is assisted to heavy grade, a serial communication port, including two stand (2), the lower extreme of stand (2) sets up the track of laying in base (1) detachably fixed connection tunnel, the upper end fixed connection cantilever structure's of stand (2) lifting arm (3), be provided with between lifting arm (3) cantilever side and adjacent stand (2) and be used for reinforced first truss (5), the free end of lifting arm (3) is provided with telescopic machanism (4), telescopic machanism (4) are adjustable make it butt on the lane group.

2. The heavy grade auxiliary roadway lifting support according to claim 1, wherein the lifting arms (3) are parallel chord trusses.

3. The heavy-gradient auxiliary roadway hoisting support according to claim 1 is characterized in that web members (6) for reinforcement are connected between two posts (2) and hoisting arms (3).

4. The heavy-gradient auxiliary roadway hoisting support according to claim 1, wherein the base (1) comprises a U-shaped clamping seat (11), the U-shaped clamping seat (11) is buckled on the rail, and the lower end of the U-shaped clamping seat is fixed by using a first bolt (12) matched with a nut.

5. The heavy-gradient auxiliary roadway lifting support according to claim 1, wherein the telescopic mechanism (4) comprises a fixed plate (41) fixed on the end part of the lifting arm (3), a plurality of second bolts (42) are connected to the fixed plate (41) in a threaded mode, nuts are connected to the second bolts (42) in a threaded mode, and the nuts and screw heads of the second bolts (42) are located on the inner side of the fixed plate (41).