Transverse moving device for erecting precast beam slab of tunnel connecting bridge

Abstract

The utility model discloses a transverse moving device for erecting a prefabricated beam plate of a tunnel connecting bridge. The device is applied to beam and slab erection at the joint of a tunnel and a bridge, and mainly solves the problems that the boundary beam erection cannot be realized due to the fact that the tunnel building limit transverse width is smaller for the surplus width of the transverse moving space of a bridge girder erection machine; the structure is composed of the channel steel, the vertical jack, the transverse jack, the finish rolling deformed steel bar, the nut and the anchor bearing plate, transverse moving and falling of the precast beam can be achieved, and a reliable transverse moving device is provided for edge beam erection. The corresponding structure is simple in form and clear in stress, and the assembly type structure can be repeatedly used; according to the structure, the beam plate can be moved and placed at the corresponding position without large equipment, the cost is low, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the prefabricated beam plate erecting construction field, concretely relates to a kind of tunnel bridge prefabricated beam plate erecting horizontal displacement device. BACKGROUND

[0002] Currently, prefabricated beam plate erecting is usually carried out by bridge erecting machine or by crane lifting, but this construction method still has many problems for prefabricated beam plate erecting at the joint of tunnel and bridge: (1) tunnel bridge is generally arranged at the place crossing gully, canyon and steep slope, and the bottom terrain environment is complex, so crane cannot be arranged for beam plate erecting; (2) when the length of roadbed is short, the operation length cannot meet the erection and horizontal displacement operation of bridge erecting machine; (3) when the erection sequence of beam is tunnel as the only transport channel, the lateral width of tunnel construction limit is small for the surplus width of horizontal displacement space of bridge erecting machine, so side beam erection cannot be realized. UTILITY MODEL CONTENTS

[0003] Therefore, in order to solve the above problems, the utility model provides a kind of tunnel bridge prefabricated beam plate erecting horizontal displacement device; the device is applied to beam plate erection at the joint of tunnel and bridge, mainly solves the lateral width of tunnel construction limit being small for the surplus width of horizontal displacement space of bridge erecting machine, and side beam erection cannot be realized and other problems; the structure is composed of channel steel, vertical jack, horizontal jack, finished rolled threaded steel, nut and anchor pad, so that the horizontal displacement of prefabricated beam can be realized, and a reliable horizontal displacement device is provided for side beam erection.

[0004] The utility model is implemented as follows: a kind of tunnel bridge prefabricated beam plate erecting horizontal displacement device is constructed, and it is characterized by: comprising channel steel, vertical jack, horizontal jack, finished rolled threaded steel, limiting steel plate, nut and anchor pad;

[0005] The channel steel is arranged at the front side of bent cap cushion stone and used as vertical jack horizontal displacement track to prevent lateral deviation of jack;

[0006] The vertical jack is arranged in the inner side of channel steel and used as vertical support of beam plate to make it higher than the height of support, and the vertical jack is adjusted to drop beam after horizontal displacement;

[0007] The horizontal jack is a through jack, the finished rolled threaded steel is inserted into the jack, the limiting steel plate is arranged at the bottom of jacking beam plate to transfer horizontal force to beam plate;

[0008] A hole is reserved on the bent cap block, one end of the finished rolled threaded steel is arranged on the bent cap block through anchor pad and nut, and the other end is arranged on the horizontal jack to transfer horizontal load to jacking beam plate to the erection position;

[0009] The limiting steel plate is tightly combined with the bottom of beam plate, and a hole is arranged on the limiting steel plate to arrange the finished rolled threaded steel;

[0010] The nut is positioned at the tail of the precision-rolled threaded steel bar and, together with the cap beam stop, provides a reaction force.

[0011] The anchor plate is arranged at the tail of the fine-rolled threaded steel bar to transfer the load to the cap beam stop.

[0012] According to the present application, a transverse movement device for erecting precast beams of a tunnel bridge is characterized in that the limiting steel plate 5 is a 2cm thick steel plate.

[0013] This utility model has the following advantages: It provides a transverse movement device for the erection of precast beams at the junction of a tunnel and a bridge. This device is applied to the erection of beams at the junction of a tunnel and a bridge, mainly solving the problem that the transverse width of the tunnel construction clearance is too small for the bridge erecting machine to allow for transverse movement, making it impossible to erect side beams. This structure consists of channel steel, vertical jacks, transverse jacks, precision-rolled threaded steel, nuts, and anchor plates, enabling the transverse movement and placement of precast beams, providing a reliable transverse movement device for the erection of side beams. The structure corresponding to this application is simple in form, has clear force distribution, and the prefabricated structure can be reused. This structure can move and place beams in the corresponding positions without the need for large equipment, resulting in low cost and high efficiency. Attached Figure Description

[0014] Fig. 1 This is a front view of a transverse movement device for erecting precast beams and slabs of a tunnel-connected bridge.

[0015] Fig. 2 This is a side view of a transverse movement device for erecting precast beams and slabs in a tunnel-connected bridge.

[0016] Among them: 1. Channel steel; 2. Vertical jack; 3. Horizontal jack; 4. Precision rolled threaded steel; 5. Limiting steel plate; 6. Nut; 7. Anchor plate; 8. Cap beam block; 9. Cap beam; 10. Pier column; 11. Precast beam; 12. Rubber bearing. Detailed Implementation

[0017] The following will be combined with the appendix Figs. 1-2 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0018] This utility model provides a transverse movement device for the erection of precast beams and slabs for tunnel-connected bridges, such as... Figs. 1-2 As shown, it can be implemented in the following manner; including channel steel 1, vertical jack 2, horizontal jack 3, precision rolled threaded steel 4, limit steel plate 5, nut 6, anchor plate 7;

[0019] The channel steel 1 is arranged on the front side of the cap beam pad stone as a horizontal movement track for the vertical jack 2 to prevent the jack from deviating to the side.

[0020] Vertical jack 2 is placed inside the channel steel 1 to serve as vertical support for the beam and slab, making it higher than the support height. After being moved into position laterally, the vertical jack is adjusted to lower the beam.

[0021] The transverse jack 3 is a through-hole jack. The precision-rolled threaded steel bar is inserted into the jack, and the transverse force is transmitted to the beam plate by setting a limiting steel plate 5 at the bottom of the jack.

[0022] Holes are pre-drilled in the cap beam block 8. The precision rolled threaded steel bar 4 is placed on the cap beam block 8 at one end and on the transverse jack 3 at the other end through the anchor plate 7 and nut 6, so as to transfer the transverse load and push the beam to the erection position.

[0023] The limiting steel plate 5 is tightly fitted to the bottom of the beam plate, and holes are opened on it to arrange fine rolled threaded steel 4.

[0024] The nut 6 is positioned at the tail of the precision-rolled threaded steel bar and, together with the cap beam stop 8, provides a reaction force.

[0025] The anchor plate 7 is arranged at the tail of the fine-rolled threaded steel bar to transfer the load to the cap beam block 8.

[0026] In this application, the limiting steel plate 5 is a steel plate with a thickness of 2cm.

[0027] The main structure and function of this patent are described in detail below;

[0028] (1) Channel steel: arranged on the front side of the cap beam pad stone as a horizontal track for the vertical jack to prevent the jack from deviating to the side.

[0029] (2) Vertical jacks: Arranged on the inside of the channel steel as vertical support for the beam and slab, making it higher than the support height. After the beam is moved into place, adjust the vertical jacks to lower the beam.

[0030] (3) Horizontal jack: A through jack is used. The finely rolled threaded steel bar is inserted into the jack and the lateral force is transmitted to the beam plate by setting a limiting steel plate at the bottom of the jack.

[0031] (4) Precision rolled threaded steel: holes are reserved on the cap beam block, and one end is placed on the block and the other end is placed on the transverse jack through anchor plate and nut to transfer transverse load and push the beam to the erection position.

[0032] (5) Limiting steel plate: It is closely fitted to the bottom of the beam plate, and holes are opened on it to arrange fine rolled threaded steel.

[0033] (6) Nut: Arranged at the tail of the fine-rolled threaded steel bar, together with the cap beam block to provide reaction force.

[0034] (7) Anchor plate: placed at the tail of the fine-rolled threaded steel bar to transfer the load to the cap beam block.

[0035] This patent has the following advantages and benefits: (1) The structure is simple, the force is clear, and the prefabricated structure can be reused; (2) This structure can move the beams and slabs to the corresponding positions without the need for large equipment, which is low in cost and high in efficiency.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A transverse movement device for erecting precast beams and slabs of tunnel-connected bridges. Its characteristics are: Includes channel steel (1), vertical jack (2), horizontal jack (3), precision rolled threaded steel (4), limit steel plate (5), nut (6), and anchor plate (7); The channel steel (1) is arranged on the front side of the cap beam pad stone as a horizontal track for the vertical jack (2) to prevent the jack from deviating to the side; The vertical jack (2) is arranged inside the channel steel (1) as a vertical support for the beam and slab, making it higher than the support height. After being moved into place, the vertical jack is adjusted to lower the beam. The transverse jack (3) is a through jack. The finely rolled threaded steel bar is inserted into the jack and the transverse force is transmitted to the beam plate by setting a limiting steel plate (5) at the bottom of the jack. A hole is reserved on the cap beam block (8). The fine-rolled threaded steel bar (4) is placed on the cap beam block (8) with one end through the anchor plate (7) and the nut (6), and the other end is placed on the transverse jack (3) to transfer the transverse load and push the beam to the erection position. The limiting steel plate (5) is tightly fitted to the bottom of the beam plate, and holes are opened on it to arrange fine rolled threaded steel (4). The nut (6) is arranged at the tail of the fine-rolled threaded steel bar and together with the cap beam stop (8) provides a reaction force; The anchor plate (7) is arranged at the tail of the fine-rolled threaded steel bar to transfer the load to the cap beam block (8).

2. The transverse movement device for erecting precast beams of a tunnel-connected bridge according to claim 1, characterized in that; The limiting steel plate (5) is a 2cm thick steel plate.

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