CN219885525U - Bridge crane mounting structure in underground limited space - Google Patents

Abstract

The utility model discloses a bridge crane installation structure in a subsurface limited space, which comprises a bridge frame, a trolley track, a control room and a trolley travelling mechanism, wherein the trolley travelling mechanism is hoisted to the trolley track through a trolley anchor structure, ear plates are arranged at four corners of the trolley travelling mechanism, the trolley anchor structure comprises four trolley anchor units arranged on a top plate of the subsurface space, each trolley anchor unit comprises a lifting appliance, an electric hoist and a plurality of anchor rods, each lifting appliance comprises a first lifting plate, a second lifting plate and a third lifting plate which are respectively arranged at two sides of the first lifting plate, lifting lugs are respectively arranged at the bottoms of the front end and the rear end of the first lifting plate, through holes are formed in the lifting lugs, and the pin shafts penetrate through the through holes to fixedly connect the electric hoist with the lifting appliance, and lifting hooks of the electric hoist are matched with the ear plates. According to the utility model, the overhead anchor is matched with the electric hoist to finish the hoisting of the bridge crane trolley, the construction is performed in the underground factory building chamber with the optimized height dimension, the installation efficiency is greatly improved, the potential safety hazard of the construction is reduced, the construction period is shortened, and the excavation cost of the chamber is saved.

Description

Bridge crane mounting structure in underground limited space

Technical Field

The utility model belongs to the technical field of crane installation, and particularly relates to an underground limited space internal bridge crane installation structure.

Background

In the existing hydroelectric station underground powerhouse various electromechanical equipment installation, gate hoist installation and civil engineering concrete pouring construction, the bridge crane is required to be frequently used for hoisting, the underground powerhouse cavity excavation design height is larger in the past, the automobile crane is used for installing all components of the bridge crane, according to the technical Specification JGJ276-2012 of construction hoisting engineering safety, the horizontal included angle between a sling and the suspended components is 45-60 degrees, the outline dimension of the bridge crane trolley and the arrangement position of lifting lugs, the length of a steel wire rope in the vertical direction is not less than 1.7m, the total length of the automobile crane boom head, a pulley block steel wire rope and the lifting hook is not less than 1.8m, the hoisting space height is not less than 3.5m, the actual hoisting space of the underground limited space after optimization is at most about 1m, the crane hoisting cannot be used, along with the long-term construction planning of the state of the pump energy storage power station, more and more pump energy storage power stations are about to be constructed in the construction of the underground powerhouse cavity soil structure, the supporting and the slag soil transportation are required to be largely input, the bridge crane excavation height is optimized, the bridge crane cavity excavation height can be saved, the investment cost is reduced, the investment cost is limited by the construction cost is reduced, and the construction cost is limited in the construction period is limited by the bridge crane is limited, and the construction cost is limited in the construction is limited.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the bridge crane installation structure in the underground limited space, which is novel and reasonable in design, uses the overhead anchor to cooperate with the electric hoist to finish the hoisting of the bridge crane trolley, and is used for constructing in the underground factory building cavern after the height dimension is optimized, thereby greatly improving the installation efficiency, reducing the construction potential safety hazard, shortening the construction period, saving the cavern excavation cost, solving the technical problem of installing the bridge crane in the limited space and being convenient for popularization and use.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a bridge crane mounting structure in limited space in underground which characterized in that: including the crane span structure and all set up dolly track, department of controlling room and the big car running gear on the crane span structure, dolly running gear hoist to the dolly track through the sky anchor structure, and the otic placode is all installed to the four corners position department of dolly running gear, the sky anchor structure is including four sky anchor units that set up on the underground space roof, four sky anchor units and four otic placode position upper and lower one-to-one, the sky anchor unit include a plurality of stock and the hoist that is used for installing electric hoist with a plurality of stock fixed connection of anchor on the underground space roof, the hoist includes the first hanger plate that sets up along underground space length direction and sets up second hanger plate and third hanger plate in first hanger plate both sides respectively, and both ends bottom all is provided with the lug around the first hanger plate, has seted up the through-hole on the lug, and the round pin axle passes through-hole with electric hoist and hoist fixed connection, the hoist hook and the otic placode cooperation of electric hoist.

Foretell bridge crane mounting structure in restricted space in underground, its characterized in that: the bridge comprises two main beams and two end beams for connecting the two main beams, and a crane hoist is arranged on the trolley travelling mechanism.

Foretell bridge crane mounting structure in restricted space in underground, its characterized in that: the space anchor unit comprises four anchor rods which are fixedly connected with the front end and the rear end of the first hanging plate, the second hanging plate and the third hanging plate respectively.

Foretell bridge crane mounting structure in restricted space in underground, its characterized in that: the second hanging plate and the third hanging plate are arranged on two sides of the first hanging plate in a dislocation mode, and the planes of the axes of the two anchor rods connected to the second hanging plate and the third hanging plate are perpendicular to the cross section of the underground space.

Foretell bridge crane mounting structure in restricted space in underground, its characterized in that: two anchor rods at the front end and the rear end of the first hanging plate are respectively fixed at the left side and the right side of the first hanging plate.

The utility model has the beneficial effects that the design is novel and reasonable, the overhead anchor is used for being matched with the electric hoist to finish the hoisting of the bridge crane trolley, the construction is performed in the underground factory building chamber after the height dimension is optimized, the installation efficiency is greatly improved, the construction potential safety hazard is reduced, the construction period is shortened, the excavation cost of the chamber is saved, the technical problem of installing the bridge crane in the limited space is solved, and the popularization and the use are convenient.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

Fig. 1 is a schematic view of the bridge crane installation structure of the present utility model.

Fig. 2 is a right side view of the structure of fig. 1 with the cavity removed.

Fig. 3 is a top view of the spreader attachment anchor of the present utility model.

Fig. 4 is a front view of the spreader of fig. 3.

Fig. 5 is a right side view of fig. 4.

Reference numerals illustrate:

1-anchor rod; 2-lifting appliance; 2-1, a first hanger plate;

2-2, a second hanger plate; 2-3-a third hanger plate; 2-4-lifting lugs;

2-5-through holes; 3-an electric hoist; 4, a pin shaft;

5-a trolley travel mechanism; 6-a hoisting winch; 7, a main beam;

8-a control room; 9-cart travel mechanism; 10-bridge machine rock anchor beam;

11-bridge crane track; 12-ear plate; 13-chamber surrounding rock.

Detailed Description

As shown in fig. 1 to 5, the electric hoist comprises a bridge, a trolley track, a control room 8 and a trolley travelling mechanism 9 which are all arranged on the bridge, wherein the trolley travelling mechanism 5 is hoisted to the trolley track through a ceiling anchor structure, ear plates 12 are all arranged at four corners of the trolley travelling mechanism 5, the ceiling anchor structure comprises four ceiling anchor units which are arranged on a top plate of an underground space, the four ceiling anchor units are in one-to-one correspondence with the four ear plates 12 in position, each ceiling anchor unit comprises a plurality of anchor rods 1 anchored on the top plate of the underground space, a lifting appliance 2 which is fixedly connected with the anchor rods 1 and is used for installing the electric hoist 3, each lifting appliance 2 comprises a first lifting plate 2-1 arranged along the length direction of the underground space, a second lifting plate 2-2 and a third lifting plate 2-3 which are respectively arranged at two sides of the first lifting plate 2-1, through holes 2-5 are formed in the bottoms of the front end and the rear end of the first lifting plate 2-1, and lifting hooks 2-4 are fixedly connected with the lifting hooks 2-3 through the electric hoist pins 2-5.

The bridge crane trolley hoisting is completed by using the overhead anchor and the electric hoist, the construction is performed in the underground factory building chamber after the height dimension is optimized, the installation efficiency is greatly improved, the construction potential safety hazard is reduced, the construction period is shortened, the excavation cost of the chamber is saved, and the technical problem of installing the bridge crane in a limited space is solved.

In this embodiment, the bridge comprises two main beams 7 and two end beams for connecting the two main beams 7, and the trolley travelling mechanism 5 is provided with a hoisting winch 6.

In this embodiment, the Tian anchor unit includes four anchor rods 1, and the four anchor rods 1 are fixedly connected with the front end and the rear end of the first hanger plate 2-1, the second hanger plate 2-2 and the third hanger plate 2-3 respectively.

In this embodiment, the second hanger plate 2-2 and the third hanger plate 2-3 are arranged on two sides of the first hanger plate 2-1 in a staggered manner, and the planes of the axes of the two anchor rods 1 connected to the second hanger plate 2-2 and the third hanger plate 2-3 are perpendicular to the cross section of the underground space.

In this embodiment, two anchor rods 1 at the front and rear ends of the first hanger plate 2-1 are respectively fixed at the left and right sides of the first hanger plate 2-1.

As shown in fig. 1, the tunnel room structure includes bridge machine rock anchor beams 10 respectively disposed inside the tunnel room surrounding rock 13 in the length direction of both sides of the tunnel and bridge machine rails 11 disposed on the bridge machine rock anchor beams 10.

When the utility model is implemented, the process is as follows:

step one, arranging a roof anchor structure on a roof of a limited space of an underground factory building;

step two, mounting a control room 8, an electric appliance control system, a cart travelling mechanism 9, a travelling platform and a cart track on the ground to two main beams 7 respectively to form two main beam large pieces, and mounting a cart frame, a speed reducer, a motor and a hoisting winch 6 on the ground to a cart travelling mechanism 5 to form a cart large piece;

hoisting one main girder large part onto bridge crane tracks 11 on two bridge crane rock anchor beams 10 which are respectively arranged on the inner sides of the surrounding rock 13 of the tunnel along the length direction of the two sides of the tunnel by using an automobile crane, hoisting the other main girder large part onto the two bridge crane tracks 11 by using the automobile crane, wherein the two main girders 7 are arranged in parallel, and the distance between the two main girders 7 is larger than the length of an end girder;

step four, respectively hoisting two end beams to two bridge crane rails 11 by using an automobile crane, wherein one end of each of the two end beams is connected with one of the main beams 7, the other end of each of the two end beams is placed on a jack for leveling, and a main beam large piece corresponding to the other main beam 7 is pulled to move to the other end of each of the two end beams, so that the connection of the two main beams 7 and the two end beams is completed, and the two main beam large pieces and the two end beams form a bridge frame large piece;

step five, moving a bridge frame large piece to the side of the Tian anchor structure on the bridge crane track 11;

step six, a trolley large part enters a limited space of an underground factory building through a flat trailer, is parked under a sky anchor structure, keeps the length direction of the trolley vertical to a main beam 7, is provided with lug plates 12 at four corners of a trolley travelling mechanism 5, and corresponds to four sky anchor units one by one up and down, and a lifting hook of an electric hoist 3 is matched with the lug plates 12 to lift the trolley large part and keep a suspended state, wherein the bottom of the trolley large part is higher than the top of a bridge large part;

and seventhly, moving the bridge frame large piece to the position below the trolley large piece on the bridge crane track 11, and synchronously vertically downwards arranging the trolley travelling mechanism 5 on the trolley track by the four electric hoists 3 to finish the installation of the bridge crane.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides a bridge crane mounting structure in limited space in underground which characterized in that: including crane span structure and all setting up dolly track, department accuse room (8) and big car running gear (9) on the crane span structure, on dolly running gear (5) hoist to the dolly track through the sky anchor structure, otic placode (12) are all installed in four corners position department of dolly running gear (5), the sky anchor structure is including setting up four sky anchor units on the underground space roof, four sky anchor units and four otic placode (12) position upper and lower one-to-one, the sky anchor unit includes a plurality of stock (1) of anchor on the underground space roof and hoist (2) with a plurality of stock (1) fixed connection and be used for installing electric hoist (3), hoist (2) are including first hanger plate (2-1) and third hanger plate (2-3) of setting up in first hanger plate (2-1) both sides along underground space length direction, and both ends are all provided with lug (2-4) in front and back bottom lug (2-1) of first hanger plate, and hoist (2-4) are connected with electric hoist (2-3) through-5) with electric hoist (5) and fixed through-hole (3).

2. A bridge crane installation structure in a confined space under the earth as claimed in claim 1, wherein: the bridge comprises two main beams (7) and two end beams for connecting the two main beams (7), and a hoisting winch (6) is arranged on the trolley travelling mechanism (5).

3. A bridge crane installation structure in a confined space under the earth as claimed in claim 1, wherein: the space anchor unit comprises four anchor rods (1), and the four anchor rods (1) are fixedly connected with the front end and the rear end of the first hanging plate (2-1), the second hanging plate (2-2) and the third hanging plate (2-3) respectively.

4. A bridge crane installation structure in a confined space under the earth as claimed in claim 3, wherein: the second hanging plate (2-2) and the third hanging plate (2-3) are arranged on two sides of the first hanging plate (2-1) in a staggered mode, and planes of axes of two anchor rods (1) connected to the second hanging plate (2-2) and the third hanging plate (2-3) are perpendicular to the cross section of the underground space.

5. A bridge crane installation structure in a confined space under the earth as claimed in claim 3, wherein: two anchor rods (1) at the front end and the rear end of the first hanging plate (2-1) are respectively fixed at the left side and the right side of the first hanging plate (2-1).