Longitudinal bar laying device used in tunnel

Abstract

The utility model relates to the technical field of tunnel construction equipment, and discloses a longitudinal bar laying device used in a tunnel, which comprises a door-shaped frame, a plurality of arched tracks and two power components, the door-shaped frame is fixed in the arched tracks, and the two power components are both mounted at the top of the door-shaped frame. The two power assemblies are located at the starting end and the tail end of the distribution direction of the arch-shaped rails respectively, pulley assemblies are installed on the arch-shaped rails, the power assemblies are used for driving the pulley assemblies to reciprocate along the arch-shaped rails, the adjacent pulley assemblies are connected through cross beams, a plurality of U-shaped frames are fixed to the cross beams and evenly distributed in the extending direction of the cross beams, and the U-shaped frames are fixed to the arc-shaped rails. And a frame opening of the U-shaped frame is provided with a hook claw. The longitudinal reinforcing steel bar binding machine has the advantages that longitudinal reinforcing steel bars needing to be bound are firstly placed in the U-shaped frame on the ground, then the pulley assembly walks on the arch-shaped track to reach each node of the longitudinal reinforcing steel bars needing to be bound, manual carrying of the longitudinal reinforcing steel bars is avoided, the labor intensity of workers is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction equipment technical field, especially a longitudinal reinforcement laying device for in tunnel. BACKGROUND

[0002] In tunnel construction engineering, waterproof and hoop reinforcement need to be laid along the inner wall of the tunnel before concrete pouring, and a construction trolley is usually needed.

[0003] Chinese utility model patent (authorized announcement number: CN209469438U name: tunnel excavation trolley) includes bottom layer trolley and the upper layer trolley on bottom layer trolley;The upper layer trolley has at least one layer, and the upper layer trolley can walk longitudinally relative to the bottom layer trolley;And when the upper layer trolley is multilayer, each layer of the upper layer trolley has independent walking power, and can walk longitudinally relative to adjacent lower layer. Preferably, the bottom layer trolley is loaded on the wheeled frame;The upper layer trolley is composed of middle layer trolley and top layer trolley, the middle layer trolley can walk longitudinally relative to the bottom layer trolley;The top layer trolley can walk longitudinally relative to the middle layer trolley;The bottom layer trolley is provided with a trestle, a steel rail bridge or a drawbridge for the walking of the middle layer trolley;The middle layer trolley is provided with a trestle or a steel rail bridge for the walking of the top layer trolley. The utility model has the beneficial effects that it is in the form of multilayer combination, can adapt to full-face, double-step or three-step tunnel excavation by changing the combination state, has wide application range, can be reused and effectively reduces the tunnel excavation cost. However, after the arc-shaped reinforcement laying is completed, the longitudinal reinforcement is fed to the trolley, and the adjacent arc-shaped reinforcement is connected by manually bundling the longitudinal reinforcement, so that the labor intensity of workers is large and the efficiency is low during the longitudinal reinforcement construction process. SUMMARY

[0004] The utility model aims at providing a longitudinal reinforcement laying device for in tunnel to overcome the shortcomings of prior art.

[0005] The utility model discloses a longitudinal reinforcement laying device for tunnel, including door type frame, a plurality of arch track and two power components, the door type frame is fixed in the arch track, a plurality of arch track distributes along the direction perpendicular to the face where it is, two power components all install in the top of door type frame, and two power components are located respectively at the beginning and the end of the distribution direction of arch track, the arch track is installed with the trolley assembly, and the power component is used for driving corresponding trolley assembly reciprocating motion along the arch track, and the adjacent trolley assembly is connected through the crossbeam, a plurality of U type frames are fixed on the crossbeam, the U type frame is evenly distributed along the extension direction of crossbeam, the face where the U type frame is parallel with the face where the arch track is, the frame mouth of U type frame faces away from the crossbeam, and the frame mouth of U type frame is installed with the hook claw on the side close to the door type frame, and the frame mouth of U type frame is provided with the gap on the side away from the door type frame, and the gap is used to take out the longitudinal reinforcement.

[0006] Preferably, the hook rotatingly installed in the U-shaped frame, the hook is installed with a bolt near the rotating shaft, and the bolt penetrates the U-shaped frame.

[0007] Preferably, the power component includes a reduction motor and a main sprocket, the reduction motor is fixed on the top of the door type frame, two reduction motors are linked through a transmission shaft, the main sprocket is rotatably installed on the door type frame and is driven by the reduction motor, a plurality of secondary sprockets are installed on the door type frame and the arch track, the secondary sprockets on the arch track are distributed in an arch shape, the main sprocket and the secondary sprocket are linked through a transmission chain, and the transmission chain is connected with the trolley assembly through a chain.

[0008] Preferably, the trolley assembly includes a pair of rollers and a door type support, the rollers are rotatably installed on the inner side of the door type support, the rollers are located on the two inner side walls of the door type support respectively, the arch track is clamped between the rollers, and the chain is hinged on the door type support.

[0009] Preferably, the bottom of the door type frame is provided with universal wheels.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The longitudinal reinforcement is placed in the U-shaped frame on the ground first, and then the trolley assembly walks on the arch track to reach each node of the longitudinal reinforcement to be bundled, so that manual carrying of the longitudinal reinforcement is avoided, the labor intensity of workers is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1A structure schematic view of the utility model;

[0013] Figure 2 A structure schematic view of the utility model; Figure 1 A partial enlarged schematic view of A in the middle;

[0014] Figure 3 A structure schematic view of the utility model; Figure 1 A partial enlarged schematic view of B in the middle;

[0015] Figure 4 A schematic view of the installation structure of the transmission chain;

[0016] In the figure, 1 is a door-shaped frame, 2 is an arched track, 3 is a crossbeam, 4 is a U-shaped frame, 5 is a hook claw, 6 is a bolt, 7 is a speed reducer motor, 8 is a main sprocket, 9 is a transmission shaft, 10 is a secondary sprocket, 11 is a transmission chain, 12 is a chain, 13 is a roller, 14 is a door-shaped support, and 15 is a universal wheel. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0020] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0021] In the description of the utility model, it needs to explain that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, or the orientation or position relationship commonly understood by the person skilled in the art, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As shown in Figure 1 and 3 , a longitudinal reinforcement laying device for tunnel, comprising a door type frame 1, a plurality of arch tracks 2 and two power components, the door type frame 1 is fixed in the arch track 2, the plurality of arch tracks 2 is distributed along the direction perpendicular to the plane where it is, the two power components are installed at the top of the door type frame 1, the two power components are located at the beginning and the end of the distribution direction of the arch track 2 respectively, the area between the door type frame 1 and the arch track 2 is used to build a construction platform, the construction platform is set as multi-layer, the arch track 2 is installed with a trolley assembly, the power component is used to drive the corresponding trolley assembly to reciprocate along the arch track 2, the adjacent trolley assemblies are connected through a cross beam 3, the cross beam 3 is fixed with a plurality of U-shaped frames 4, the U-shaped frames 4 are uniformly distributed along the extension direction of the cross beam 3, the plane where the U-shaped frame 4 is parallel to the plane where the arch track 2 is, the frame opening of the U-shaped frame 4 faces away from the cross beam 3, the side of the frame opening of the U-shaped frame 4 close to the door type frame 1 is installed with a hook 5, the hook 5 is provided with a gap away from the side of the frame opening of the U-shaped frame 4 away from the door type frame 1, the gap is used to take out the longitudinal reinforcement, the longitudinal reinforcement to be tied is placed in the U-shaped frame 4 on the ground, then the trolley assembly is walked on the arch track 2 to reach each node of the longitudinal reinforcement to be tied, avoiding manual carrying of the longitudinal reinforcement, reducing the labor intensity of workers and improving the work efficiency.

[0024] In the embodiment, as Figure 3As shown, the hook 5 is rotatably installed in the U-shaped frame 4, and the latch 6 is installed near the rotating shaft of the hook 5, the latch 6 penetrates the U-shaped frame 4, the latch 6 is pulled out when loading the steel bars, and then the hook 5 is rotated to the outside of the U-shaped frame 4, a plurality of steel bars can be loaded into the U-shaped frame 4 at one time, after loading is completed, the latch 6 is inserted to fix the hook 5, so that the steel bars do not slide out of the U-shaped frame 4 when moving along the arched track 2 to the other side of the door frame 1, and the gap between the hook 5 and the U-shaped frame 4 facilitates taking out a single longitudinal steel bar from the U-shaped frame 4 for bundling.

[0025] In the embodiment, as shown in Figure 1 and 4 The power assembly includes a speed reducer motor 7 and a main sprocket 8, the speed reducer motor 7 is fixed on the top of the door frame 1, two speed reducer motors 7 are linked through a transmission shaft 9, the main sprocket 8 is rotatably installed on the door frame 1 and is driven by the speed reducer motor 7, a plurality of secondary sprockets 10 are installed on the door frame 1 and the arched track 2, the secondary sprockets 10 on the arched track 2 are distributed in an arch shape, the main sprocket 8 and the secondary sprockets 10 are linked through a transmission chain 11, the transmission chain 11 is connected with the trolley assembly through a chain 12, two synchronous speed reducer motors 7 enhance the power when the cross beam 3 moves, so that the steel bars are not stuck during laying.

[0026] In the embodiment, as shown in Figure 2 The trolley assembly includes a pair of rollers 13 and a door-shaped support 14, the rollers 13 are rotatably installed on the inner sides of the door-shaped support 14, the same pair of rollers 13 are respectively located on the two inner side walls of the door-shaped support 14, the arched track 2 is clamped between the same pair of rollers 13, and the chain 12 is hinged on the door-shaped support 14, so that the structure is simple and the operation is stable.

[0027] In the embodiment, as shown in Figure 1 The bottom of the door frame 1 is provided with universal wheels 15, so that the movement of the device is facilitated.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A longitudinal reinforcement laying device for use in a tunnel, comprising a portal frame (1), a plurality of arched tracks (2) and two power assemblies, the portal frame (1) being fixed in the arched tracks (2), the plurality of arched tracks (2) being distributed along a direction perpendicular to the plane in which they lie, and the two power assemblies each being mounted on the top of the portal frame (1), characterized in that: Two said power components are respectively located at the beginning and end of the distribution direction of the arch-shaped track (2), a trolley assembly is installed on the arch-shaped track (2), the power component is used for driving the corresponding trolley assembly to reciprocate along the arch-shaped track (2), adjacent trolley assemblies are connected through a cross beam (3), a plurality of U-shaped frames (4) are fixed on the cross beam (3), the U-shaped frames (4) are uniformly distributed along the extension direction of the cross beam (3), the plane where the U-shaped frame (4) is located is parallel to the plane where the arch-shaped track (2) is located, the frame opening of the U-shaped frame (4) faces away from the cross beam (3), a hook (5) is installed on the side of the frame opening of the U-shaped frame (4) close to the portal frame (1), a gap is provided between the hook (5) and the side of the frame opening of the U-shaped frame (4) away from the portal frame (1), and the gap is used to take out the longitudinal reinforcement.

2. A device for longitudinal reinforcement placement within a tunnel according to claim 1, characterized in that: The hook (5) is rotatably installed in the U-shaped frame (4), a latch (6) is installed near the rotating shaft of the hook (5), and the latch (6) penetrates the U-shaped frame (4).

3. A device for longitudinal reinforcement placement within a tunnel according to claim 1, characterized in that: The power component comprises a speed reducer motor (7) and a main sprocket (8), the speed reducer motor (7) is fixed at the top of the portal frame (1), two speed reducer motors (7) are linked through a transmission shaft (9), the main sprocket (8) is rotatably installed on the portal frame (1) and is driven by the speed reducer motor (7), a plurality of secondary sprockets (10) are installed on the portal frame (1) and the arch-shaped track (2), the secondary sprockets (10) on the arch-shaped track (2) are distributed in an arch shape, the main sprocket (8) and the secondary sprocket (10) are linked through a transmission chain (11), and the transmission chain (11) and the trolley assembly are connected through a chain (12).

4. A device for longitudinal reinforcement placement within a tunnel according to claim 3, characterized in that: The trolley assembly comprises a pair of rollers (13) and a portal support (14), the roller (13) is rotatably installed on the inner side of the portal support (14), the same pair of rollers (13) are respectively located on the two inner side walls of the portal support (14), the arch-shaped track (2) is clamped between the same pair of rollers (13), and the chain (12) is hinged on the portal support (14).

5. A device for the laying of longitudinal reinforcement in a tunnel according to any one of claims 1 to 4, characterized in that: A universal wheel (15) is arranged at the bottom of the portal frame (1).

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