KR200274808Y1 - Lifting apparatus of the bridge beam - Google Patents

Abstract

The present invention relates to a bridge beam lifting device capable of simultaneously lifting one and the other bridge beam mounted on the bridge, the configuration thereof is as follows.

In the bridge is provided on the upper surface of the bridge, both bridge devices for receiving the bridge beam of the one, the other superstructure; It is mounted in front of the bridge beams on both sides, the center is provided with a jack mounting portion for mounting one or more jacks, both sides are provided with a front support portion, the rear of the front support portion, the bridge device is inserted A front bracket having an insertion portion; It is mounted symmetrically with the front bracket at the rear of the two bridge beams, the center is provided with a jack mounting portion for mounting at least one jack, both sides are provided with a rear support portion, the bridge in front of the rear support portion A rear bracket having a seat device insert into which the device is inserted; And it is characterized in that it is composed of a plurality of lower connecting rods connecting the teaching device inserts to each other while adjusting the width between the front and rear brackets.

Description

Lifting apparatus of the bridge beam

The present invention relates to a device for raising a bridge beam to replace the bridge device supporting the upper structure of the bridge, and more specifically, to raise the bridge beam that can simultaneously raise the one and the other bridge beam on the bridge Relates to a device.

Generally, a bridge is a general term for various structures that are made to cross rivers, valleys, and pit grounds.

The bridge is composed of a lower structure consisting of a plurality of bridges erected vertically, and an upper structure that is installed on top of the bridges, the upper structure, a plurality of upper and lower parts of the upper plate is mounted on the top of the bridges It consists of a reinforcing beam mounted.

On the other hand, on the top of the bridges of the substructure, a bridge device for supporting the bridge beam is installed to transfer the load generated from the superstructure to the substructure, the bridge device is to minimize the impact occurring on the superstructure and change the temperature To counteract the expansion and contraction of the superstructure according to, typically divided into metal or rubber materials.

However, as rainwater or contaminants penetrate into the teaching device, the teaching device made of metal causes corrosion and the teaching device made of rubber becomes damaged, so that the function of the teaching device becomes impossible.

Therefore, when replacing the damaged device as described above, the impression of the superstructure must be preceded. Therefore, in the case of raising the upper structure, by installing a jack on the top of the bridge where the bridge device is raised to raise the overall structure consisting of the bridge beam and the top plate as a whole.

However, in raising the upper structure as described above, when the space on the upper surface of the pier is narrow according to the type of bridge device or bridge, it is difficult to install the jack, there was a problem that a lot of difficulties in raising the upper structure.

In addition, in raising the upper structure through the jack, excessive pulling force acts on the end portion by pulling only a single bridge beam, so that the end portion of the bridge beam was directly damaged.

Accordingly, the present invention is designed to solve the above problems, by connecting the ends of one bridge beam mounted on both sides of the upper surface of the bridge, the other bridge beam through the one or more jacks at the same time, the bridge device or It is an object of the present invention to provide a bridge beam raising apparatus that enables the jack to be mounted even if the mounting space of the jack is narrow according to the type of the bridge.

In addition, by simultaneously pulling the one and the other bridge beam, there is also an object to uniformly distribute the pulling force of the jack to the one and the other bridge beam to prevent the end of the bridge beam caused by excessive pulling force.

In addition, it is possible to adjust the width of the front and rear brackets, and to adjust the lengths of the upper and lower horizontal and left and right vertical bands that constitute the front and rear support portions provided on both sides of the front and rear brackets. Regardless of the purpose, the impression device can be used interchangeably.

In the present invention for achieving the above object, in the bridge, which is provided on the upper surface of the bridge both side bridge device for receiving the bridge beam of the one, the other superstructure; It is mounted in front of the bridge beams on both sides, the center is provided with a jack mounting portion for mounting one or more jacks, both sides are provided with a front support portion, the rear of the front support portion, the bridge device is inserted A front bracket having an insertion portion; It is mounted symmetrically with the front bracket at the rear of the two bridge beams, the center is provided with a jack mounting portion for mounting at least one jack, both sides are provided with a rear support portion, the bridge in front of the rear support portion A rear bracket having a seat device insert into which the device is inserted; And it is characterized in that it is composed of a plurality of lower connecting rods connecting the teaching device inserts to each other while adjusting the width between the front and rear brackets.

1 is a schematic view showing the installation state of the bridge beam lifting apparatus according to the present invention.

Figure 2 is an enlarged perspective view of the bridge beam lifting device of the present invention.

3 and 4 is a partially exploded perspective view of the bridge beam lifting apparatus according to the present invention.

Explanation of symbols for main parts of the drawings

1: pier

11: upper surface

2: superstructure

21: bridge beam

22: teaching device

3: front bracket

31: jack mounting

32: front support

33: insertion unit insertion unit

4 rear bracket

41: jack mounting

42: front support

43: insertion unit insertion unit

6: jack

Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic view showing the installation state of the bridge beam raising apparatus according to the present invention, Figure 2 is an enlarged perspective view of the bridge beam raising apparatus of the present invention, first, the configuration will be described as follows.

In the bridge, which is provided on the upper surface 11 of the bridge (1), both bridge devices (22) for supporting the bridge beam (21) of the other side superstructure (2);

It is mounted in front of the both side beam beams 21, the center is provided with a jack mounting portion 31 in which at least one jack (6) is mounted, the front support portion 32 is provided on both sides thereof, the front A front bracket (3) provided at the rear of the support part (32) having a seat device insert (33) into which the seat device (22) is inserted; The rear side of the bridge beam (2) is mounted symmetrically with the front bracket (3), the center is provided with a jack mounting portion 41 is mounted at least one jack (6), both sides of the rear support ( A rear bracket (4) provided with a rear seat support (42) and a front seat support (42) having a seat device insertion portion (43) into which the seat device (22) is inserted; And it is composed of a plurality of lower connecting rods (s1) connecting the teaching device inserting portions (33, 43) to each other while adjusting the width between the front, rear brackets (3, 4).

In particular, the jacks 6 mounted to the front and rear brackets 3 and 4 are operated through a separate hydraulic device (not shown), and the jacks 6 may be cylindrical, and the chamber may have elasticity. The type may be used.

The configuration is described in more detail as follows.

Figure 3 is a partially exploded perspective view of the bridge beam lifting apparatus according to the present invention, the jack mounting portion 31 of the front and rear brackets (3, 4), a plurality of pipe skeletons (311, 411) and the pipe frame ( Intermediate jack mounting plates 312 and 412 protruding in the middle of the 311, 411, and both jack mounting plates 313, 413 protruding at a position higher than the intermediate supporting plate on both sides of the intermediate jack mounting plate 312. .

Accordingly, two jacks 6 are provided in the middle jack mounting plate 312 of the front and rear brackets 3 and 4, or four jacks 6 are provided according to the upper surface space of the piers 1. The front and rear brackets (3, 4) can be selectively installed on both side jack mounting plate (313,413).

That is, when the distance between the lower surface of the bridge beam 21 and the upper surface of the bridge is narrow, the front and rear support portions cannot be mounted to the jack 4 having a constant height in the center of the lower surface of the load sharing support portion 3. The one and the other bridge beams 21 are selectively mounted by mounting two jacks 6 at the front and rear or at four corners at the bottom of the jack mounting plates 312 and 412 provided at the upper ends of the 33 and 43. You can raise it at the same time.

4 is a partially exploded perspective view of the bridge beam lifting apparatus according to the present invention, wherein the front and rear support portions 32 and 42 formed on both sides of the front and rear brackets 3 and 4 are the jack mounting portions 31 and 41. It is connected to both sides of the, and stretched through the connecting rod (s2) is to be composed of the upper, lower horizontal and the left, right vertical fixed to the bolt (b).

The upper and lower horizontal bands and the left and right vertical bands each include a plurality of connecting pipes each having a right angle to a pipe on which at least one through hole h1 is formed, and a plurality of gap maintaining holes h2 inserted into the pipe. It is composed of a plurality of connecting table (s2) and the assembly of a plurality of bolts (b) fastened through the through hole (h1) and the space maintaining hole (h2).

Accordingly, by holding the front and rear surfaces of the ends of the one and the other bridge beam 21 through the front and rear support portions 32 and 42, the lifting device is prevented from shaking when the bridge beam is raised, as well as the pulling device. It is possible to prevent the deviation from the lower surface of the bridge beam.

In addition, since the upper and lower horizontal and left and right vertical bars constituting the front and rear support parts 32 and 42 can be stretched, the pulling device can be used interchangeably regardless of the size of the bridge beam.

On the other hand, as shown in Figure 3, the insertion device 33, 43 formed on both sides of the lower front and rear brackets (3, 4) of the lower left of the front and rear support portions (32, 42) It consists of two vertical pipes p1 protruding from the right side. In addition, the plurality of lower connecting rods s1 are inserted into the vertical pipes p1 so as to adjust the widths between the front and rear brackets 3 and 4 and are fixed and stretched.

In addition, at least one through hole h1 is formed in the vertical pipe p1, and a plurality of gap maintaining holes h2 are formed in the lower connecting rod s1, so that the through hole h1 and the gap maintaining hole h2 are formed in the vertical pipe p1. The bolt (b) is to be fastened through.

In particular, the expansion pad 7 is further mounted on the upper side of the vertical pipe p1 constituting the bridge device insertion parts 33 and 43, thereby improving the adhesion between the vertical pipe p1 and the bridge beam 21. By doing so, it is possible to prevent rocking of the pulling device when the bridge beam is raised.

Therefore, as the width of the front and rear brackets (3, 4) can be adjusted freely, the bridge beam lifting device of the present invention can be used interchangeably regardless of the width of the bridge beam.

Hereinafter, a method of raising the bridge beam through the pulling device configured as described above will be described.

As shown in Figures 1 to 4, one, the one to receive the bridge beam of the other upper structure, respectively, in raising the bridge beam in the state in which the other bridge device 22 is installed on the upper surface of the bridge (1), First, the front bracket (3) passing through the both sides of the bridge device 22 is mounted in front of the bridge beam 21, then the bridge beam (behind the bridge beam 21, which is the rear of the front bracket 3) 21).

Next, two or more jacks 6 are mounted between the lower surface of the jack mounting portion 3 formed on the front and rear brackets 3 and the upper surface of the piers 1.

And finally, by extending the jack 6 through a hydraulic device (not shown) to simultaneously pull up the bridge beam 21 of one, the other superstructure 2, it is possible to replace the bridge device. .

After replacing the bridge device, the bridge beam is lowered in the reverse order. That is, the bridge beam is lowered by the operation of the jack 6, and then the jack 4 mounted on the lower portion of the load sharing support part 3 is separated, and then the front and rear brackets 3 are separated from each other. The rear brackets 3 and 4 are separated from the lower part of the bridge beam 21.

Therefore, it is possible to uniformly distribute the pulling force of the jack 6 to one, the other bridge beam to prevent the end of the bridge beam caused by the excessive pulling force.

On the other hand, in the jack installation as described above, by installing the jack (6) in the center front and rear of the upper surface 11 of the piers (1), which is the front, rear, front and rear of the center of the front and rear brackets (3, 4), two jacks ( 6) it is possible to simultaneously raise the beam beams of one side and the other.

In addition, the jack 6 is installed in both front and rear sides of the upper surface 11 of the piers 1, which are the front and rear sides of the front and rear brackets 3 and 4, so that the bridges on the one side and the other side through the four jacks 4 are provided. You can also raise the beam at the same time.

As described above, the present invention has an effect of quickly replacing the bridge device by easily raising the bridge beam by allowing the jack to be mounted even if the mounting space of the jack is narrow according to the type of bridge device or bridge. will be.

In addition, by uniformly distributing the jack's pulling force to the one and the other bridge beam to prevent the end of the bridge beam caused by excessive pulling force, there is also an effect that can quickly replace the bridge device without breaking the bridge.

In addition, regardless of the size of the bridge beam, there is an effect that allows the use of the impression device compatible.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Claims (7)

In the bridge, which is provided on the upper surface 11 of the bridge (1), both bridge devices (22) for supporting the bridge beam (21) of the other side superstructure (2); It is mounted in front of the both side beam beams 21, the center is provided with a jack mounting portion 31 in which at least one jack (6) is mounted, the front support portion 32 is provided on both sides thereof, the front A front bracket (3) provided at the rear of the support part (32) having a seat device insert (33) into which the seat device is inserted; It is mounted symmetrically with the front bracket (3) in the rear of the bridge beams on both sides, the center is provided with a jack mounting portion 41 for mounting one or more jacks, the rear support portion 42 is provided on both sides A rear bracket (4) having a seat device insertion portion (43) into which the seat device (22) is inserted in front of the rear support (42); And Bridge beam raising device, characterized in that consisting of a plurality of lower connecting rods (s1) connecting the bridge device insertion portion (33,43) to each other while adjusting the width between the front and rear brackets (3,4). According to claim 1, The jack mounting portion (31, 41) of the front and rear brackets (3, 4), a plurality of curved pipe frame (311, 411), the intermediate jack mounting formed in the middle of the pipe frame (311, 411) A bridge beam raising apparatus comprising: a plate (312, 412), and both jack mounting plates (313, 413) protruding on both sides of the intermediate jack support plate (312, 412) at a position higher than the intermediate support plate. The front and rear support portions 32 and 42 formed on both sides of the front and rear brackets 3 and 4 are connected to both sides of the jack mounting portions 31 and 41, respectively, and the connecting table s2. Bridge beam lifting device, characterized in that it is configured to be stretched through and fixed to the bolt (b) up, down horizontal and left and right vertical. According to claim 3, wherein the upper and lower horizontal and left and right vertical bands, a plurality of connecting pipes formed at right angles to the pipe, each formed with one or more through-holes (h1), and a plurality of spacing holes inserted into the pipe (h2) is a bridge beam lifting, characterized in that composed of a plurality of connecting rods (s2) and the assembly of a plurality of bolts (b) fastened through the through-hole (h1) and the interval maintaining hole (h2) Device. The method of claim 1, wherein the insertion device insertion portion (33, 43) formed on both sides of the lower front and rear brackets (3, 4) protrude from the lower left and right of the front and rear support (32, 42). It consists of two vertical pipes (p1), characterized in that the plurality of lower connecting rods (s1) is inserted and fixed to the vertical pipe (p1) to adjust the width between the front and rear brackets (3,4). Bridge beam raising device. The at least one through hole h1 is formed in the vertical pipe p1, and a plurality of gap maintaining holes h2 are formed in the lower connecting rod s1 to maintain the gap with the through hole h1. The bridge beam lifting device, characterized in that the bolt (b) is penetrated through the hole (h2). The expansion pad (7) according to claim 5, wherein the upper side of the vertical pipe (p1) constituting the stabilization device insertion portion (33, 43) to improve the adhesion between the vertical pipe (p1) and the bridge beam (21) Bridge beam raising device, characterized in that it is additionally mounted.