KR102300271B1 - Worktable fixation device for constructing bridge - Google Patents

Abstract

The present invention relates to a device for fixing a temporary workbench for pouring bridge slabs, and a pair of temporary workbenches respectively positioned at both ends in the width direction of a bridge slab, and a device for fixing a temporary workbench for placing a bridge slab for coupling the bridge slab and the temporary workbench, respectively In the slab, the first connection part of one side is seated correspondingly on the upper surface of the slab in the width direction, and a pair of connectors that the second connection part of the other side protrudes in the width direction of the slab, and the width direction is seated on the upper surface of the slab, A pair of tension beams each having both ends in the longitudinal direction coupled to the first connection part by the first fastening member, the lower end being respectively coupled to the upper surface of the temporary workbench, and the upper end being respectively coupled to the second connecting part by the second fastening member includes a fastening beam of

Description

Temporary workbench fixing device for pouring bridge slabs {WORKTABLE FIXATION DEVICE FOR CONSTRUCTING BRIDGE}

The present invention relates to a device for fixing a temporary workbench for pouring bridge slabs, and more particularly, the temporary workbench is coupled to a connector seated on the upper surface of the slab, and the interval between the connectors is fixed by a tension beam seated on the upper surface of the slab. Because it is maintained, the temporary workbench does not flow in the vertical and horizontal directions, and it relates to a fixing device for the temporary workbench for placing the bridge slab that can secure the safety of the worker.

In general, a bridge is a structure for allowing roads, railroads, waterways, pipelines, etc. to cross over rivers, lakes, straits or other traffic routes.

In the process of bridge construction (bridges, overpasses, etc.), the foundation is built on the ground to support the bridge deck, reinforcement is placed on the upper part of the foundation, the formwork is assembled, and the concrete is poured and cured, followed by abutments and piers. structures were built.

In the process of bridge construction (bridges, overpasses, etc.), workers of a certain length and width are installed at the site so that the workers can easily move to various work sections, and the conventional workbench is fixedly installed on a slab or the like by a separate fastening member. do.

However, the conventional workbench has a complicated structure of the fastening member for fixing the slab and the installation process is cumbersome and acts as a factor to increase the air. safety could not be guaranteed.

As a prior document related to the present invention, there is Republic of Korea Patent Publication No. 10-2000-0050166 (August 05, 2000), and the prior document discloses a mobile workbench for bridge construction.

An object of the present invention is that the temporary workbench is coupled to the connector seated on the upper surface of the slab, and the distance between the connectors is fixed by the tension beam seated on the upper surface of the slab, so the temporary workbench does not flow in the vertical and horizontal directions. An object of the present invention is to provide a temporary workbench fixing device for bridge slab casting that can ensure the safety of workers.

The device for fixing a temporary workbench for pouring bridge slabs according to the present invention includes a pair of temporary workbenches positioned at both ends of a slab in the width direction of a bridge, and a device for fixing a temporary workbench for placing a bridge slab for coupling the slab of the bridge and the temporary workbench In the above, a pair of first connecting portions seated on the upper surface of the slab in the width direction and provided with a connecting rod protruding to one side and a horizontal hole passing through the front and rear of the connecting rod, and a second connecting portion protruding to the upper side of the other side are formed. connector of; Both ends of the lengthwise side are penetrated through the horizontal hole and are respectively coupled to the first connection part by a first fastening member, and one end of the temporary workbenches is connected to both sides of the slab by pressing the connector in a direction facing each other or maintaining a gap. a tension beam to be positioned in close contact with the; and a pair of fastening beams each having a lower end coupled to the upper surface of the temporary workbench, and an upper end coupled to the second connecting portion by a second fastening member, wherein the first fastening member includes: One end of the longitudinal side is horizontally coupled through a locking plate that is hooked on the rear surface of the connecting rod, a washer that is positioned on the rear surface of the locking plate, and one end of the tension beam in the longitudinal direction are screwed together in a screwing manner, and the washer It includes a horizontal coupling nut that is hooked on the rear surface of the, and the connecting rod protrudes backward in the upper left and right directions based on the horizontal hole, and a locking projection is formed to lock the upper end of the locking plate downward. do.

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In addition, the second connection part may be provided with a socket protruding upwardly and a vertical hole penetrating through the top and bottom of the socket, and the upper end of the fastening beam is connected to the second fastening member while penetrating through the vertical hole. It may be coupled to a hooked position on the upper end of the socket.

In addition, the second fastening member may use a nut that is coupled to the upper end of the fastening beam in a screw-coupled manner, and is hooked on the upper end of the socket.

In addition, the first connection part and the tension beam may be fixed in a state embedded in the upper surface of the slab by concrete poured on the upper surface of the slab.

Further, at the upper end of the left and right side of the first connection part, each of the locking steps having a length in the front and rear directions may be formed to protrude, and the concrete poured on the upper surface of the slab may be introduced between the locking steps.

According to the present invention, the temporary workbench is coupled to the connector seated on the upper surface of the slab, and the interval between the connectors is fixedly maintained by the tension beam seated on the upper surface of the slab. It has the effect of ensuring safety.

In addition, the present invention has the effect of further improving the bonding force between the connector and the concrete since the concrete is inserted between the engaging steps when the concrete is poured on the upper surface of the slab.

1 is an exploded perspective view showing a temporary workbench fixing device for pouring bridge slabs according to the present invention.
Figure 2 is a perspective view for showing the process of installing a temporary workbench fixing device for pouring bridge slabs according to the present invention.
3 is a perspective view showing a state in which the temporary workbench fixing device for pouring bridge slabs according to the present invention is installed.
4 is a side view for showing a state in which the temporary workbench fixing device for pouring bridge slabs according to the present invention is installed.
5 is a front view for showing in detail the connector of the temporary workbench fixing device for pouring bridge slabs according to the present invention.
6 is a plan view for showing in detail the connector of the temporary workbench fixing device for pouring bridge slabs according to the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

Advantages and features of the present invention, and a method of achieving the same, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited by the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

In addition, when it is determined that related known techniques may obscure the gist of the present invention in describing the present invention, a detailed description thereof will be omitted.

1 is an exploded perspective view for showing a temporary workbench fixing device for pouring bridge slabs according to the present invention, and FIG. 3 is a perspective view for showing a state in which the temporary workbench fixing device for pouring bridge slabs according to the present invention is installed.

4 is a side view for showing a state in which the temporary workbench fixing device for pouring bridge slabs according to the present invention is installed, and FIG. , Figure 6 is a plan view for showing in detail the connector of the temporary workbench fixing device for pouring bridge slabs according to the present invention.

1 to 6, the temporary workbench fixing device for pouring bridge slabs according to the present invention combines a pair of temporary workbenches respectively located at both ends of the bridge slab in the width direction, and the bridge slab and the temporary workbench, respectively it is to make

To this end, the temporary workbench fixing device for pouring bridge slabs of the present invention includes a pair of connectors 110 , a tension beam 120 , and a pair of fastening beams 130 .

First, the connector 110 is for coupling the slab 11 of the bridge 10 and the temporary workbench 20, and a first connector 111 is formed at the front end of the connector 110, and the second connector is formed at the opposite rear end. Two connection parts 112 are formed.

Here, the connector 110 may have a predetermined length along the front-rear direction in which the first connection part 111 and the second connection part 112 are positioned, and may be made of a metal material to have a certain strength.

The first connection part 111 is a part coupled to one end of the tension beam 120 in the longitudinal direction to be described later in a state of being seated on the upper surface of the slab 11, and the connection rod 111a and the horizontal hole 111b are formed. can be

The connecting rod 111a is formed to protrude upward from the upper surface of the first connecting unit 111 , and the horizontal hole 111b is formed through the front and rear of the connecting rod 111a.

And, the upper end of the horizontal hole 111b may be opened upward, and one end of the tension beam 120, which will be described later, in the longitudinal direction is inserted through the upper side of the horizontal hole 111b, or the front of the horizontal hole 111b. can be inserted horizontally.

The tension beam 120 is for interconnecting the connectors 110 , and the tension beam 120 may be manufactured to have a predetermined length using a metal material to have a predetermined strength.

Here, a thread may be formed on the outer surface of the tension beam 120 in the longitudinal direction, and the thread may be formed only at both ends of the tension beam 120 in the longitudinal direction, respectively.

Such a tension beam 120 is seated on the upper surface of the slab 11 in the width direction, and both ends in the longitudinal direction are respectively coupled to the first connection part 111 by the first fastening member 140 .

In addition, both ends of the tension beam 120 in the longitudinal direction are coupled to the first fastening member 140 in a state of being penetrated through the above-described horizontal hole 111b to be hooked on the rear surface of the connecting rod 111a.

At this time, both ends of the longitudinal side of the tension beam 120 may be horizontally seated on the upper surface of the slab 11 in a state in which they are respectively coupled to the connecting rods 111a of the couplers 110 .

The first fastening member 140 is for coupling both ends of the tension beam 120 in the longitudinal direction and the connecting rods 111a of the connectors 110, respectively, a locking plate 141, a washer 142, and a nut. (143) may be provided.

The locking plate 141 is hooked on the rear surface of the connecting rod 111a in a state in which one end of the tension beam 120 in the longitudinal direction is horizontally coupled through, as shown in FIGS. 2 to 4 .

Here, the upper and lower ends of the engaging plate 141 may be horizontal, left and right ends may be formed vertically, and the lower end of the engaging plate 141 may be seated on the upper end of the connector 110 .

In addition, fastening holes are formed in the locking plate 141 back and forth so that both ends of the tension beam 120 in the longitudinal direction can be through-coupled therethrough, and may be made of a metal material to have a certain strength.

In addition, a locking protrusion 111c for positioning the upper end of the locking plate 141 to be hooked downward may be formed to protrude from the rear surface of the aforementioned connecting rod 111a.

The locking protrusions 111c may be formed in the left and right directions of the connecting rod 111a based on the horizontal hole 111b, respectively, and in this case, the locking projections 111c are the upper ends of the locking plates 141 in the left and right directions, respectively. can support

The washer 142 is positioned to be hooked on the rear surface of the locking plate in a state in which one end of the longitudinal side of the tension beam 120 is horizontally through-coupled, and the washer 142 has both ends of the tension beam 120 in the longitudinal direction. The fastening hole is formed through the front and back so as to be through-coupled, and may be made of a metal material to have a certain strength.

The nut 143 is coupled to one end of the tension beam 120 in the longitudinal direction in a threaded manner, and is hooked on the rear surface of the washer 142 .

In this state, the nut 143 presses the washer 142 in the direction of the locking plate 141 , and the locking plate 141 is positioned in close contact with the rear surface of the connecting rod 111a.

And, by adjusting the coupling position of the nut 143, the seating position of the connector 110 can be variably adjusted, and the temporary workbench 20 to be described later coupled to the second connection part 112 is installed on the slab 11 . It can be fixed in a state in close contact with the side.

Conversely, when separating the connecting rod 111a and the tension beam 120, the nut 143 is rotated in the unlocking direction to separate it from the tension beam 120, and is caught with the washer 142 in the reverse order to the above-described coupling sequence. The plate 141 may be separated.

The pair of fastening beams 130, the lower ends are respectively coupled to the upper surface of the temporary workbench 20, and the opposite upper ends are respectively coupled to the second connection part 112 by the second fastening member 150.

The second connection part 112 is provided with a socket 112a protruding upward as in 1, 2, and 6, and a vertical hole 112b penetrating through the top and bottom of the socket 112a.

Here, the upper end of the fastening beam 130 is through-coupled through the lower side of the vertical hole 112b, and the second fastening member 150 is screwed to the upper end of the fastening beam 130 protruding to the upper end of the vertical hole 112b. It may be bound in a binding manner.

The second fastening member 150 is coupled to the upper end of the fastening beam 130 in a screwing manner, and may be positioned to be hooked on the upper end of the socket 112a, and the second fastening member 150 may use a nut. .

At this time, since the fastening beam 130 coupled to the temporary workbench 20 is coupled to the socket 112a, the temporary workbench 20 is caught by the connector 110 so as not to be lowered.

At the same time, since the tension beam 120 presses the connector 110 in a direction facing each other or maintains a gap, one end of the temporary work benches 20 can be positioned in close contact with both sides of the slab 11. .

Such a temporary workbench fixing device 100 may be arranged in a plurality of spaced apart states along the longitudinal direction of the slab 11 and the temporary workbench 20, and the location and size of the temporary workbench fixing device 100 are It can be applied in various ways according to need.

On the other hand, the upper surface of the slab 11 may be cured after concrete (C) is poured to a certain thickness, the first connection part 111 and the tension beam 120 are concrete poured on the upper surface of the slab 11 (C) may be fixed in a state embedded in the upper surface of the slab 11.

In this state, the tension beam 120 and the first connection part 111 are not exposed to the upper part of the slab 11, and the tension beam 120 and the first connection part 111 are fixed by the concrete C, The temporary workbench 20 does not flow in the vertical and horizontal directions.

On the other hand, at the upper end of the first connection part 111 in the left-right direction, the engaging step 111d may be formed to protrude so that the connector 110 does not flow in the left-right direction.

The locking steps 111d are spaced apart from each other at regular intervals in the left and right directions, and the locking steps 111d may have a length in the front-rear direction of the connector 110 .

For example, when the concrete (C) is poured and cured on the upper surface of the slab 11, the concrete (C) may be introduced between the engaging steps 111d as shown in FIG. 4 .

In this state, the concrete (C) is inserted between the engaging steps (111d), and the engaging steps (111d) are located in a state embedded in the concrete (C), so the connector 110 is moved in the left and right direction by an external force. does not move

As a result, in the present invention, the temporary workbench 20 is coupled to the connector 110 seated on the upper surface of the slab 11, and the connectors 110 by the tension beam 120 seated on the upper surface of the slab 11. Since the interval between them is maintained fixedly, the temporary workbench 20 does not flow in the vertical and horizontal directions, thereby ensuring the safety of the operator.

In addition, since the present invention is coupled with the concrete (C) inserted between the engaging steps (111d) when the concrete (C) is poured on the upper surface of the slab 11, the coupling force of the connector 110 and the concrete (C) is increased. can be further improved.

So far, although specific embodiments have been described with respect to the apparatus for fixing the temporary workbench for pouring bridge slabs according to the present invention, it is obvious that various implementation modifications are possible within the limits that do not depart from the scope of the present invention.

Therefore, the scope of the present invention should not be conveyed limited to the described embodiments, and should be defined by the following claims as well as the claims and equivalents.

That is, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims; All changes or modifications derived from the concept of equivalents thereof should be construed as being included in the scope of the present invention.

10: Bridge 11: Slab
20: temporary workbench 100: temporary workbench fixing device
110: connector 111: first connector
111a: connecting rod 111b: horizontal hole
111c: jamming protrusion 111d: jamming step
112: second connection 112a: socket
112b: vertical hole 120: tension beam
130: fastening beam 140: first fastening member
141: catch plate 142: washer
143: nut 150: second fastening member
C: Concrete

Claims (8)

A pair of temporary workbenches positioned at both ends in the slab width direction of a bridge, and a device for fixing a temporary workbench for placing bridge slabs for coupling the slab of the bridge and the temporary workbench,
A pair of connectors seated on the upper surface of the slab in the width direction, a first connecting portion having a connecting rod protruding upward on one side and a horizontal hole penetrating through the front and rear of the connecting rod, and a second connecting portion protruding to the upper portion of the other side;
Both ends of the lengthwise side are penetrated through the horizontal hole and are respectively coupled to the first connector by a first fastening member, and one end of the temporary workbenches is connected to both sides of the slab by pressing the connector in a direction facing each other or maintaining a gap. a tension beam to be positioned in close contact with the; and
A pair of fastening beams each having a lower end coupled to the upper surface of the temporary workbench, and an upper end coupled to the second connecting part by a second fastening member, respectively;
The first fastening member,
One end of the tension beam in the longitudinal direction is horizontally coupled through a locking plate that is hooked on the rear surface of the connecting rod, a washer and one end of the tension beam in the longitudinal direction that are hooked on the rear surface of the locking plate in a screwing method. It is coupled and includes a horizontal coupling nut that is hooked on the rear surface of the washer,
The connecting rod,
Temporary workbench fixing device for pouring bridge slabs, characterized in that the locking projection is formed so as to protrude rearward in the left and right upward directions based on the horizontal hole to lock the upper end of the locking plate downward. delete delete delete The method according to claim 1,
In the second connection part,
A socket protruding upwardly and a vertical hole penetrating through the top and bottom of the socket are provided,
The upper end of the fastening beam,
Temporary workbench fixing device for pouring bridge slabs, characterized in that it is coupled to the second fastening member in a state penetrating through the vertical hole and is hooked on the upper end of the socket. 6. The method of claim 5,
The second fastening member,
Temporary workbench fixing device for bridge slab casting, characterized in that it is a nut that is coupled to the upper end of the fastening beam in a screwing manner, and is hooked on the upper end of the socket. The method according to claim 1,
The first connection part and the tension beam,
Temporary workbench fixing device for pouring bridge slabs, characterized in that it is fixed in a state embedded in the upper surface of the slab by the concrete poured on the upper surface of the slab. 8. The method of claim 7,
At the upper end of the left and right side of the first connection part,
Locking steps having a length in the front and rear directions are formed to protrude, respectively,
Between the locking steps,
Temporary workbench fixing device for pouring bridge slabs, characterized in that the concrete to be poured on the upper surface of the slab is introduced.

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