CN219219123U - A construction device for outer wall coils of open-cut tunnels - Google Patents

Abstract

The coiled material construction device for the outer wall of the open-cut tunnel comprises a tunnel, a walking device is arranged at the top of the tunnel, a fixing frame is arranged on the walking device, one end of the fixing frame extends to the outer wall surface of the tunnel, a working frame is arranged on the outer wall surface of the tunnel, and a liftable working platform is arranged in the working frame. Compared with the prior art, the device for paving the waterproof coiled material reduces the construction period and the construction strength, has less construction investment, provides guarantee for the levelness and the continuity of paving the waterproof coiled material, greatly improves the construction progress and the pasting quality of paving the waterproof coiled material, and reduces the safety risk; the device has the advantages of simple structure, convenient construction, simplified laying flow of the existing waterproof coiled material, equipment investment saving, manual investment and material investment saving, ensuring continuity and integrity in the laying construction of the waterproof coiled material, improving the construction efficiency, accelerating the construction progress, saving the cost, saving energy and protecting the environment.

Description

A construction device for outer wall coils of open-cut tunnels

technical field

The utility model relates to the technical field of waterproof coiled material construction for the outer wall of a tunnel, in particular to a coiled material construction device for the outer wall of an open-cut tunnel.

Background technique

In the construction of highway engineering or urban road engineering, due to the restrictive factors of each project, some road sections need to be passed underground, and the buried depth of some underground traffic projects is insufficient, so the shield method cannot be used for construction, and open-cut tunnel construction is required; After the side walls and roof of the tunnel are poured, in order to prevent water seepage in the main body of the tunnel and affect road traffic safety in the later stage and during operation, it is necessary to install waterproof membranes on the outer walls and top of the tunnel body; waterproof membrane construction is a concealed project, and it is also a tunnel construction One of the key processes of

At present, the laying of waterproof membranes often adopts scaffolding or hanging baskets by cranes; in the construction of erecting scaffolds to lay waterproof membranes, the preparation period for scaffolding is long, the construction strength is high, and the frequency of disassembling and assembling scaffolding is high. Coil laying efficiency is low and safety risk is high; during the construction of laying waterproof membranes by cranes and hanging baskets, the crane needs to be moved frequently, so that the levelness and continuity of waterproof membrane laying cannot be guaranteed, which greatly affects the construction progress and waterproof rolls. The sticking quality of material laying is poor, and the construction cost is high. Therefore, how to make a coil construction device for the outer wall of an open-cut tunnel that can solve the problems of the prior art has become a technical problem to be solved.

Utility model content

Based on the above-mentioned technical problems, the utility model proposes a coil construction device for the external wall of open-cut tunnels to solve the problems in the above-mentioned background technology.

In view of this, the utility model proposes a coiled material construction device for the outer wall of an open-cut tunnel, which includes: a tunnel, the top of the tunnel is provided with a movable device, and the movable device is provided with a fixing frame , one end of the fixed frame extends toward the outer wall of the tunnel, and a working frame is provided, and a liftable working platform is arranged inside the working frame.

Further, the fixed frame includes two sets of cross bars arranged at intervals on the bottom of the walkable device and longitudinal bars arranged between the ends of the two sets of cross bars, and the bottom of the cross bars is from outside to inside Two groups of traveling wheels, bearing supports and two groups of hooks are arranged in sequence, and the cross bars described in the two groups are respectively front end cross bars and rear end cross bars.

Further, the work frame includes a cuboid work frame composed of vertical channel steel, horizontal connecting rods and transverse connecting rods, the four corners of the top of the work frame are respectively provided with work frame suspension rings, and the work frame suspension rings are respectively Hanging on the hook, the lower part of the work frame is provided with a pole towards the direction of the wall, and the end of the pole is provided with a universal wheel.

Further, the vertical channel steel is set at the four corners of the work frame and the slots are opposite to each other horizontally, the four corners of the work platform are respectively provided with sliding bearings through bearing rods, and the work platform passes through the The sliding bearing can be lifted and arranged between the four sets of vertical channel steels. One end of the operation platform is provided with a first wire rope, and the other end of the operation platform is provided with a second wire rope. Two sets of sleeves are respectively arranged at intervals, a crescent hook is inserted in the sleeve, and a pin is arranged at the rear of the crescent hook.

Further, the walkable device is provided with a hoist, the two groups of hooks on the front end cross bar are provided with articulated fixed pulleys, and the two groups of hooks on the rear end cross bar are The outer side between the above-mentioned hooks is provided with a guide wheel and a fixed pulley sequentially from top to bottom, and the upper part of the first steel wire rope is respectively arranged on the output end of the hoist through the articulated fixed pulley and the fixed pulley. , the upper part of the second wire rope is set at the output end of the hoist through the guide wheel.

Further, the load-bearing support includes connectors and telescopic jacks, a ladder is provided on one side of the work frame, the outer side of the work frame is covered with a protective net, and the top of the work platform is provided with the protective net.

Further, the walkable device includes a flat electric tricycle, and a plurality of support rods are arranged at intervals between the flat electric tricycle and the outer longitudinal bar, and the support rods and the flat electric tricycle Counterweights are arranged on the top respectively, and the hoist described above is a double-barrel hoist.

The utility model proposes a coil construction device for the outer wall of an open-cut tunnel. Compared with the prior art, the utility model has the following advantages:

1. Compared with the installation of scaffolding, the use of this device to lay waterproof membranes reduces the construction period and construction strength of scaffolding, improves the efficiency of laying waterproof membranes, and reduces safety risks;

2. Compared with the laying of the waterproof membrane by the crane and the hanging basket, the use of this device to lay the waterproof membrane avoids the waste of materials caused by the level deviation of the waterproof membrane, and its construction investment is small, which provides a guarantee for the levelness and continuity of the waterproof membrane. , greatly improving the construction progress and the paste quality of waterproof membrane laying;

3. The movable device of this device runs to the construction site of the waterproof membrane and starts the telescopic jack, so that the inner wheel body of the cross bar leaves the ground, and the telescopic jack acts as a fulcrum to form a stable support positioning state under the action of the counterweight , to ensure the stability of the lower working frame;

4. During the construction process of this device, the hoist is used to limit the working platform once, and the crescent hook is hung on the horizontal connecting rod of the work frame to carry out the secondary limiting of the working platform, and the movable device moves horizontally to ensure the operation The horizontal laying conditions of the platform laying height at the same stage;

5. During the construction of this device, the operating platform is double-limited, so that the construction personnel will not vibrate up and down during the process of laying waterproof membranes on the operating platform, ensuring the stability of the operating platform and construction safety;

6. The lower part of the working frame can slide against the wall through universal wheels to prevent the body of the working frame from being scratched by the outer wall or the pasted waterproof membrane during the movement of the walkable device, and protect it during construction. the wall;

7. The device has a simple structure and convenient construction, which simplifies the laying process of the existing waterproof membrane, saves equipment investment, labor input and material input, ensures the continuity and integrity of the waterproof membrane laying construction, and improves the construction efficiency. Efficiency, speeding up the construction progress, saving costs, energy saving and environmental protection.

Description of drawings

Fig. 1 shows the overall structural representation of the utility model;

Fig. 2 shows the side view of the front cross bar structure;

Figure 3 shows a side view of the rear cross bar structure;

Figure 4 shows a top view of the working platform structure;

Fig. 5 shows the schematic diagram of crescent hook structure;

Figure 6 shows a top view of the connection structure between the work frame and the work platform;

Figure 7 shows a perspective view of the work frame structure;

In the figure: 1 tunnel top, 2 wall, 3 walkable device, 4 fixed frame, 5 working frame, 6 working platform, 7 cross bar, 8 longitudinal bar, 9 cross bar walking wheel, 10 load-bearing support, 11 hook, 12 Vertical channel steel, 13 Horizontal connecting rod, 14 Horizontal connecting rod, 15 Working frame lifting ring, 16 Support rod, 17 Universal wheel, 18 Bearing rod, 19 Sliding bearing, 20 Steel wire rope, 21 Lifting ring, 22 Sleeve, 23 Crescent Hook, 24 pin, 25 longitudinal load-bearing rod, 26 horizontal support rod, 27 hoist, 28 guide wheel, 29 fixed pulley, 30 cross-bar universal wheel, 31 first wire rope, 32 second wire rope, 33 ladder, 34 protective net , 35 support rods, 36 counterweights, 37 front end cross bars, 38 rear end cross bars, 39 articulated fixed pulleys.

Detailed ways

In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from those described here, therefore, the protection scope of the utility model is not limited by the following Restrictions on Disclosed Content.

The technical solution of the present utility model will be further described below in conjunction with FIG. 1 to FIG. 7 .

The first embodiment, as shown in Figures 1 to 7: a coil construction device for the outer wall of an open-cut tunnel, which includes: a tunnel, the tunnel top 1 is provided with a movable device 3, and the movable The traveling device 3 is provided with a fixed frame 4, and one end of the fixed frame 4 extends toward the outer wall surface 2 of the tunnel to be provided with a working frame 5, and a liftable working platform 6 is arranged in the described working frame 5.

The fixed frame 4 includes two sets of crossbars 7 arranged at intervals at the bottom of the walkable device 3 and longitudinal bars 8 arranged between the ends of the two sets of crossbars 7 , and the bottom of the crossbars 7 Two groups of road wheels, load-bearing supports 10 and two groups of hooks 11 are arranged successively from outside to inside, and the described cross bars 7 of two groups are front end cross bars 37 and rear end cross bars 38 respectively, and described road wheels include being arranged on The cross bar universal wheel 30 on the front end cross bar 37 and the cross bar travel wheel 9 arranged on the rear end cross bar 38, two groups of the travel wheels are arranged at intervals on the cross bar 7 At two-thirds of the outer side, two groups of hooks 11 are arranged at intervals on the protruding part of the inner side of the cross bar 7 to the outer wall surface 2 .

Described working frame 5 comprises the rectangular parallelepiped working frame 5 that is formed by the equidistant welding of vertical channel steel 12, horizontal connecting rod 13 and transverse connecting rod 14, and described working frame 5 top four corners are provided with described hook respectively. 11 Adapted work stand rings 15, the work stand rings 15 are hung on the hooks 11 respectively, the lower part of the work stand 5 is provided with a pole 16 towards the wall 2, the The pole 16 end of the pole is provided with universal wheel 17, prevents in the process that can walk device 3 moves, 5 frame bodies of working frame and outer wall surface 2 or the waterproof coiled material pasted up from scratching.

The vertical channel steel 12 is arranged at the four corners of the work frame 5 and the notches are opposite to each other horizontally. The four corners of the work platform 6 are respectively provided with sliding bearings 19 through bearing rods 18. The work platform 6 passes through The sliding bearing 19 can be lifted and installed between the four sets of vertical channel steels 12, the first steel wire rope 31 is arranged at one end of the working platform 6, and the second steel wire rope is arranged at the other end of the working platform 6 32. The first steel wire rope 31 and the second steel wire rope 32 are respectively provided with hoisting rings 21, and two sets of sleeves 22 are respectively arranged at intervals at the two ends of the work platform 6, and the inside of the sleeves 22 A crescent hook 23 is inserted, and a pin 24 is provided at the rear of the crescent hook 23, and the crescent hook 23 is arranged in the sleeve 22 through the pin 24, and the working platform 6 A longitudinal load-bearing bar 25 and a transverse support bar 26 are arranged on it.

The described walkable device 3 is provided with a winch 27, and between the two groups of hooks 11 on the front end cross bar 37 is provided with an articulated fixed pulley 39, and on the rear end cross bar 38, The outer sides between the two groups of hooks 11 are sequentially hinged with guide wheels 28 and fixed pulleys 29 from top to bottom, and the upper part of the first wire rope 31 passes through the hinged fixed pulley 39 and the fixed pulley respectively 29 is arranged on one side of the output end of the hoist 27, and the upper part of the second wire rope 32 is arranged on the other side of the output end of the hoist 27 through the guide wheel 28.

The load-bearing support 10 includes a connecting piece and a telescopic jack, and the telescopic jack is telescopically arranged at the bottom of the cross bar 7 through the connecting piece, and one side of the working frame 5 is from top to bottom. A ladder 33 is arranged below, and the outer side of the working frame 5 , that is, the side far away from the outer wall 2 and both sides are covered with a protective net 34 , and the top of the working platform 6 is provided with the protective net 34 .

The walkable device 3 includes a flat electric tricycle, and a plurality of support rods 35 are arranged at intervals between the flat electric tricycle and the outer vertical bar 8, and the support rods 35 and the flat electric tricycle are arranged at intervals. Counterweights 36 are respectively arranged on the tricycle, and the hoist 27 is a double-barrel hoist 27 .

The walking wheel at the outer end of the cross bar 7 is arranged at the end, the walking wheel on the left side is arranged at a distance of 130 cm from the inner end of the cross bar 7 , and a load-bearing support 10 is arranged below the 120 cm from the inner end of the cross bar 7 , and at the inner end of the front cross bar 7 And distance inner end 100cm place is provided with hook 11, two hooks 11 intermediate positions are provided with pulley or guide wheel, the distance between front end cross bar 37 and rear end cross bar 38 is 3m, and the thickness of described working frame 5 is 1.5m; After the work platform 6 is lifted to the height where the waterproof coiled material is pasted, the hook 23 hangs over the transverse connecting rod 14 of the work frame 5 to limit the position.

A construction method for an external wall coil construction device of an open-cut tunnel, characterized in that it comprises the following steps:

Step 1, the movable device 3 runs to the construction site of the waterproof membrane and starts the telescopic jack, so that the inner wheel body of the cross bar 7 leaves the ground, and the telescopic jack is used as a fulcrum to form a stable support positioning under the action of the counterweight 36 State, to ensure the stability of the lower working frame;

Step 2, the operator enters the work platform 6, starts the hoist 27, and with the assistance of the guide wheel 28 and the fixed pulley, the first steel wire rope 31 and the second steel wire rope 32 drive the work platform 6 to rise or fall to the waterproof coiled material in the work frame 5 In the first stage of laying height, close the hoist 27, and perform a limit of the working platform 6;

Step 3, insert the pin 24 into the sleeve 22, and hang the crescent hook 23 on the transverse connecting rod 14 of the work frame 5 to perform the secondary limit of the work platform 6, so as to ensure that the construction personnel lay the waterproof coiled material on the work platform 6. There is no up and down vibration during the process;

Step 4: Manually carry out the first stage partial laying of the waterproof membrane. After the partial laying is completed, start the telescopic jack so that the inner wheel body of the cross bar 7 falls to the ground and then repeat step 1 to carry out the first stage parallel laying of the waterproof membrane ;

Step 5: After completing the first stage of parallel laying of the waterproof membrane, remove the crescent hook 23, drive the winch 27 to control the working platform 6 to descend to the height of the second stage of waterproof membrane laying, and repeat steps 3 and 4 to complete the waterproof membrane The second stage of laying;

Step 6, repeat step 5 to complete the whole stage laying of waterproof membrane.

The device has a simple structure and convenient construction, simplifies the laying process of the existing waterproof membrane, saves equipment investment, labor input and material input, ensures the continuity and integrity of the waterproof membrane laying construction, and improves the construction efficiency. Speed up the construction progress, save costs, energy saving and environmental protection.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. Be used for open cut tunnel outer wall coiled material construction equipment, including the tunnel, its characterized in that: the tunnel top be provided with but running gear, but running gear on be provided with the mount, mount one end stretch to the outer wall face in tunnel be provided with the work frame, the work frame in be provided with liftable operation platform.

2. The construction device for an open cut tunnel exterior wall coiled material according to claim 1, wherein: the fixing frame comprises two groups of cross bars arranged at the bottom of the walking device at intervals and two groups of longitudinal bars arranged between the end parts of the cross bars, wherein the bottom of the cross bars is sequentially provided with two groups of walking wheels, a bearing support and two groups of hooks from outside to inside, and the two groups of cross bars are respectively a front end cross bar and a rear end cross bar.

3. The construction device for the open cut tunnel outer wall coiled material according to claim 2, wherein: the working frame comprises a cuboid working frame composed of vertical channel steel, horizontal connecting rods and transverse connecting rods, working frame hanging rings are respectively arranged at four corners of the top of the working frame, the working frame hanging rings are respectively hung on the hooks, the lower portion of the working frame is provided with supporting rods towards the wall face, and universal wheels are arranged at the end portions of the supporting rods.

4. The construction device for an open cut tunnel exterior wall coiled material according to claim 3, wherein: the vertical channel steel be in work frame four corners department and notch transversely set up relatively, work platform four corners department be provided with slide bearing through the bearing bar respectively, work platform pass through slide bearing liftable set up four sets of between the vertical channel steel, work platform one end be provided with first wire rope, the work platform other end be provided with second wire rope, work platform both ends interval respectively be provided with two sets of sleeves, the sleeve interpolation be equipped with the crescent moon hook, crescent moon hook rear portion be provided with the pin.

5. The construction device for the open cut tunnel outer wall coiled material according to claim 4, wherein: the travelling device on be provided with the hoist engine, two sets of on the front end horizontal pole the couple between be provided with articulated formula fixed pulley, two sets of on the rear end horizontal pole the couple between the outside top-down have set gradually leading wheel and fixed pulley, first wire rope upper portion respectively pass through articulated formula fixed pulley the fixed pulley set up the output of hoist engine, second wire rope upper portion pass through the leading wheel set up the output of hoist engine.

6. The construction device for the open cut tunnel outer wall coiled material according to claim 5, wherein: the bearing support include connecting piece and telescopic jack, work frame one side be provided with the cat ladder, work frame outside cladding have the protection network, the operation platform top be provided with the protection network.

7. The construction device for the open cut tunnel outer wall coiled material according to claim 6, wherein: the walking device comprises a flat electro-tricycle, a plurality of supporting rods are arranged between the flat electro-tricycle and the outer side of the longitudinal rod at intervals, weight parts are respectively arranged on the supporting rods and the flat electro-tricycle, and the winch is a double-barrel winch.

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