KR101413885B1 - Paving apparatus of shotcrete for paved road and bridge deck - Google Patents

Abstract

The present invention relates to a bridge of a high-speed railroad and a concrete placing device for a tunnel. The concrete placing device includes an automatic transfer device rapidly transferring concrete to a placing position when the concrete with a low slump value mixed in a ready-mixed concrete vehicle is poured into a chute. Therefore, the present invention improves workability of the concrete with the low slump value and prevents material segregation of the concrete. The present invention also improves persisting periods of the concrete with the low slump value by maintaining rigidity after the concrete is cured.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a concrete pouring apparatus for a high-speed railway bridge and a tunnel,

The present invention relates to a high-speed railway bridge and a tunnel concrete pouring technique, and more particularly, to a concrete pouring method for a high-speed railway bridge and a tunnel using an automatic transfer device applied to a chute when pouring concrete having a low slump value into a chute, Speed railway bridges and tunnels that can increase the durability of concrete with low slump value by maintaining the strength after concrete curing while preventing the concrete material separation and improving the workability of the concrete The present invention relates to a concrete pouring apparatus.

Generally, concrete casting of railway and road is performed by using a pump car equipped with a press-feeding device in a concrete mixer as in Patent Registration No. 10-1213573 (published on December 20, 2012) and a method of casting concrete using a concrete mixer directly in a concrete mixer .

However, the above-mentioned method has a problem in that when the slump teeth (water, cement, fine aggregate (sand) + coarse aggregate + water) are poured into a cylindrical container and the cylindrical container is lifted up When the concrete is laid with a good concrete, the workability and quality control are satisfactory. However, when the concrete having a low slump value is poured, the construction speed is low due to the concrete dough and the strength of the concrete is lowered due to the material separation. In addition to the need for reinforcement work, concrete must be rebuilt after demolishing the concrete structure, which results in problems such as construction cost increase, construction efficiency, and strength reduction factor.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an automatic transfer device for rapidly transferring a concrete having a low slump value into a chute, By constructing the piling system, it is possible to improve the workability of concrete with low slump value and to prevent the separation of concrete material, while maintaining the strength after concrete curing, so as to increase the durability of concrete with low slump value. The purpose of the device is to provide.

According to an aspect of the present invention, there is provided a concrete pouring apparatus for a high-speed railway bridge and a tunnel, comprising: a hollow structure formed at both sides of a high-speed railway bridge or tunnel along a traveling direction thereof; And a first electric motor installed at a height in a horizontal direction free end and a vertical direction lower end of the frame so as to be raised on the ground of the bridge structure or the high speed railway bridge or the tunnel, A moving truck moving forward and backward along the traveling direction of the high-speed railway bridge or tunnel through the truck wheels when the first electric motor is driven; And a concrete putting suit coupled to the moving truck through an adjusting member and sequentially placing concrete to be dropped from the ready-mixed vehicle on the ground along the traveling direction of the high-speed railway bridge or tunnel when the moving truck is moved back and forth; .

The concrete pouring chute may include a semicircular chute having a predetermined length for receiving concrete by being coupled with the movable brakes through the adjusting member so as to be vertically and horizontally rotatable; A first rotating bar provided at one end in the longitudinal direction of the semicircular chute and having a first chain gear and a second chain gear at both right and left ends; A second rotary bar installed at the other end in the longitudinal direction of the semicircular chute and forming a pair of left and right third and fourth chain gears at both ends; A pair of left and right first chains connecting the first and third chain gears or second and fourth chain gears; A second electric motor provided at a lower end of the semicircular chute and having a drive shaft forming a fifth chain gear corresponding to the first chain gear; A second chain connecting the first and second chain gears; And a pair of left and right chains fixed to opposite ends of the first chain at regular intervals through a fixing body and adapted to move in accordance with the movement of the first chain to move the concrete inserted into the semicircular chute to a placement position; .

According to another aspect of the present invention, there is provided a concrete pouring apparatus for a high-speed railway bridge and a tunnel, comprising: a first electric motor installed at a height in a horizontal direction free end and a vertical direction lower end, 1. An electric motor, comprising: an electric motor and a bogie wheel connected by a chain, the bogie moving back and forth through the bogie wheel when the first electric motor is driven; A concrete casting shoe coupled to the moving truck through an adjusting member; A semicircular chute having a predetermined length for receiving concrete by being coupled with the movable carriage so as to be vertically and horizontally rotatable through the regulating member; A first rotating bar provided at one end in the longitudinal direction of the semicircular chute and having a first chain gear and a second chain gear at both right and left ends; A second rotary bar installed at the other end in the longitudinal direction of the semicircular chute and forming a pair of left and right third and fourth chain gears at both ends; A pair of left and right first chains connecting the first and third chain gears or second and fourth chain gears; A second electric motor provided at a lower end of the semicircular chute and having a drive shaft forming a fifth chain gear corresponding to the first chain gear; A second chain connecting the first and second chain gears; And a pair of left and right chains fixed to opposite ends of the first chain at regular intervals through a fixing body and adapted to move in accordance with the movement of the first chain to move the concrete inserted into the semicircular chute to a placement position; .

The control member may include a fixed frame protruding from a lower end of the moving carriage; A vertical rod coupled to the semicircular chute so as to rotate the semicircular chute in a vertical direction of the semicircular chute, the lower side of the semicircular chute being vertically coupled to the fixed frame to rotate the semicircular chute in the left-right direction; And a support rod extending from one side of the stationary frame to the bottom of the semicircular chute to be coupled with the hinge shaft so as to provide a supporting force when the semicircular chute is rotated in the vertical direction; .

In addition, the first chain maintains flexibility in the depressed state, and the first chain is folded in one direction in the unfolded state to puncture the first hollow holes at both ends so as to prevent the bending in the reverse direction, A second chain connecting piece for perforating a pair of second hollow holes at both ends of the first and second chain connecting pieces, and a first and a second hollow holes of the first and second chain connecting pieces, And a combination of chain coupling members for providing a stable bearing force so that twisting is suppressed.

The chain connecting piece includes a first fin portion that is engaged with and engaged with the first hollow hole of the first chain connecting piece, and a second hollow portion that is separated from the center portion of the first pin portion and the chain combining piece, And a second fin portion that is fitted and coupled to the hole.

In addition, the first chain connecting piece has a wing coupling part extended, and the wing coupling part is coupled to the wing coupling part through a fastening screw so that the moving wing is vertically erected through a fixing body.

As described above, the present invention provides a concrete pouring apparatus including an automatic transfer device for rapidly transferring a concrete having a low slump value mixed in a ready-mixed vehicle to a placement position when pouring concrete into a chute. Since the puka is not needed, the punching device is not needed compared with the conventional method, and the concrete with a low slump value is quickly poured. Therefore, the quality of the concrete is secured and the workability is good. It is possible to expect the effect of securing the quality and economical efficiency while maintaining the strength constant and increasing the durability of the concrete, thereby reducing the maintenance cost in the future.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a concrete installation state for a high-speed railway bridge and a tunnel according to an embodiment of the present invention. FIG.
2 is a perspective view showing a structure of a concrete pouring apparatus for a high-speed railway bridge and a tunnel according to an embodiment of the present invention.
3 is a front view showing a structure of a concrete pouring apparatus for a high-speed railway bridge and a tunnel according to an embodiment of the present invention.
4 is a perspective view showing the structure of a concrete casting chute as an embodiment of the present invention.
5 is a perspective view showing a combined state of a chain and a moving blade according to an embodiment of the present invention.
6 is an enlarged perspective view of a control member for connecting a concrete casting chute to a moving car in accordance with an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

2 is a perspective view showing the structure of a high-speed railway bridge and a concrete pouring apparatus for a tunnel according to an embodiment of the present invention, and Fig. 3 is a cross-sectional view of a concrete pouring apparatus for a high- 1 is a front view showing a structure of a concrete pouring apparatus for a high-speed railway bridge and a tunnel according to an embodiment of the present invention.

FIG. 4 is a perspective view showing the structure of a concrete putting chute according to an embodiment of the present invention, FIG. 5 is a perspective view showing a combined state of a chain and a moving blade according to an embodiment of the present invention, And an enlarged perspective view of the adjusting member for connecting the casting chute to the moving carriage.

1 to 6, a concrete pouring apparatus for a high-speed railway bridge and a tunnel according to an embodiment of the present invention includes a hollow structure 300 formed at a predetermined height on both sides along a traveling direction of a high-speed railway bridge or tunnel, The concrete pouring apparatus and the remicon vehicle 200 are moved through the railway wheels from the ground of the high-speed railway bridge or the tunnel, and the concrete is sequentially placed on the bottom surface of the high-speed railway bridge or the tunnel so that the railway 600 or the road can be constructed A movable carriage 10, a control member 20, and a concrete casting chute 30.

The first and second electric motors 11 and 13 are formed at the lower ends of the left and right frames. The first and second electric motors 11 and 12 are connected to each other, And the chain wheel 13 are connected to the chain 12.

The driving force of the first electric motor 11 is transmitted to the wheel 13 through the chain 12 and the rolling motion of the wheel 13 is performed to move the moving truck 10 back and forth Therefore, when the operator sitting on the cockpit chair 400 operates the adjustment panel 500 in the high-speed railway bridge or tunnel, the moving truck 10 can move to the placement position of the concrete having a low slump value.

That is, the left and right bogie wheels 13 of the moving bogie 10 are installed at different heights of the frame horizontal direction free end and the vertical direction frame lower end, respectively, The railway car 13 located at the lower end of the vertical frame is raised to the intermediate line floor of the high speed railway bridge or the tunnel The remicon vehicle 200 moves together with the moving carriage 10 in the forward and backward movements to move the concrete to the left side (or right side) of the high-speed railway bridge or tunnel The bottom surface 602 or the road surface on which the railway 601 is to be installed and the bottom surface 602 on which the railway 601 is installed after the bottom concrete is poured to the left side (or right side) The floor surface 602 to be installed on the right side (or left side) or the road surface construction to be installed on the right side (or left side) can be completed when the construction of the road surface is completed .

At this time, the concrete dropped by the ready-mixed vehicle 200 from the movement of the moving truck 10 is laid by the concrete casting chute 30, and the concrete casting chute 30 is moved The first and second rotating rods 32 and 33, the first chain 34, the second electric motor 35, and the first and second electric shafts 32 and 33, A second chain 36, and a moving blade 37.

The semicircular chute 31 has a predetermined length so as to receive concrete having a low slump value and to move the concrete to a pushed position. The semicircular chute 31 is coupled with the movable bogie 10 so as to be vertically and horizontally rotatable do.

The first rotating bar 32 is installed at one end in the lengthwise direction of the semicircular chute 31. A first chain gear 32a and a second chain gear 32b are provided at both ends of the first rotating bar 32, Respectively.

The second rotating rod 33 is installed at the other end in the longitudinal direction of the semicircular chute 31. The second rotating rod 33 is provided with a third chain gear 33a corresponding to the second chain gear 32b, Are formed as a pair.

The first chain 34 connects the first and third chain gears 32a and 33a or the second and fourth chain gears 32b and 33b which form a pair of left and right chains, As shown in Fig.

The second electric motor 35 is installed at the lower end of the semicircular chute 31 and is provided with a drive shaft in which a fifth chain gear 35a corresponding to the first chain gear 32a is formed.

The second chain 36 connects the first and second chain gears 32a and 35a to transmit the driving force of the second electric motor 35 to the first rotation bar 32, Accordingly, the first and second rotation bars 32 and 33 can be rotated by the first chain 34.

At this time, the first chain (34) maintains flexibility in the decoupled state and is folded in one direction in the unfolded state, so that the first chain (34) punches a pair of first hollow holes (71a) A second chain connecting piece 72 that punctures a pair of second hollow holes 72a at both ends and a first and a second hollow connecting pieces 72 and 72 of the first and second chain connecting pieces 71 and 72, And a chain coupling piece 73 which is coupled to the holes 71a and 72a to provide a stable supporting force so that the first and second chain coupling pieces 71 and 72 are prevented from being twisted.

The chain engaging piece 73 includes a first pin portion 73a and a first pin portion 73a that are engaged with the first hollow hole 71a of the first chain connecting piece 71, And a second pin portion 73b which is inserted into and engaged with the second hollow hole 72a of the second chain connecting piece 72 separated from the center portion 73c of the first chain connecting piece 71 by a predetermined distance, And the wing engaging piece 74 is coupled to the wing engaging piece 74 through the fastening screw 100 so that the moving wing 37 is vertically erected through the fixing body 37a.

At this time, the first fin 73a is finer than the first hollow hole 71a so as to be freely rotated in a state of being fitted in the first hollow hole 71a. The end of the first fin 73a is exposed to the outside A final rivet finishing portion (not shown) is provided.

The second fin portion 73b is narrower than the central portion 73c of the chain engaging piece 73 and is thicker than the first fin portion 73a. And is finer than the second hollow hole 72a so as to be fitted into the hollow hole 72a.

The moving blade 37 is fixed to the blade coupling piece 74 extending from the pair of left and right chains 34 at fixed intervals through the fixing member 37a and the coupling member 100 And is configured to move the concrete inserted into the semicircular chute (31) to the inserted position in accordance with the movement of the first chain (34).

The control member 20 includes a fixed frame 21, a vertical bar 22 and a support bar 23. The fixed frame 21 protrudes from one side of the lower end of the moving car 10. [

The vertical bar 22 is vertically coupled to the stationary frame 21 at its lower side so as to rotate the semicircular chute 31 in the left and right direction, And is connected to the semicircular chute 31 by a hinge shaft 22a.

The supporting rod 23 extends from one side of the fixing frame 21 to the bottom surface of the semicircular chute 31 so as to provide a supporting force when the semicircular chute 31 rotates in the vertical direction, .

1 to 6, a high-speed railway bridge and a concrete pouring apparatus for a tunnel according to an embodiment of the present invention are constructed such that, at the site of a high-speed railway bridge and a tunnel construction, ) And the concrete casting chute (30).

Next, the left and right bogie wheels 13 of the moving bogie 10 are at different heights, and the bogie wheels 13 located at the upper side are placed on the joint structure 300 of either the high speed railway bridge or the both sides of the tunnel And the balancer wheels 13 located on the lower end side are placed on the middle line of the high-speed railway bridge or the tunnel.

Next, the first electric motor 11 provided in the moving bogie 10 by operating the adjusting panel 500 while the operator is sitting on the bogie chair 400 provided on the upper surface of the moving bogie 10, The first electric motor 11 is driven in a state where electric power is connected to a second electric motor 35 provided in the concrete placement chute 30.

Since the driving force of the first electric motor 11 is transmitted to the wheel 13 through the chain 12 from the rolling motion of the wheel 13, It is possible to move to the concrete pouring position.

1, the left and right and / or up-and-down angles of the concrete placement chute 30 coupled to the moving bogie 10 via the adjustment member 20 are adjusted, The chute 201 of the tilting mechanism is positioned in the concrete casting chute 30 with the angle adjustment.

Next, the concrete mixed in the remicon vehicle 200, that is, concrete having a low slump value, is poured into the semicircular chute 31 of the concrete casting chute 30.

When the second electric motor 35 provided at the lower end of the semicircular chute 31 is driven, the driving force of the second electric motor 35 is transmitted to the first rotating rod 32 through the second chain 36 And the first rotation bar 32 is connected to the second rotation bar 33 through the first chain 34 so that the rotation of the second rotation bar 33 ) Are also rotated in an interlocked manner.

At this time, the first chain connecting piece 71 constituting the first chain 34 is formed with a wing engaging piece 74, and the wing engaging piece 74 is fastened with a fastening screw (100), and a plurality of the plurality of antenna elements

A moving wing 37 fixed upright perpendicularly to the first chain 34 when the first and second rotating rods 32 and 33 are rotated together through the first chain 34 is rotatably supported by the first chain 34 The concrete having a low slump value to be injected into the semicircular chute 31 is moved to the installation position and the installation thereof can be performed quickly.

The first electric motor 11 and the chain 12 are moved in the opposite direction to each other when the pouring of the concrete having a low slump value at one position is completed and then the pouring of the concrete having a low slump value at the next position is completed. And the concrete pouring chute 30 which is coupled through the adjusting member 20 can be moved together with the movement of the moving car 10.

Then, as described above, the first and second rotating rods 32 and 33, the first chain 34, and the moving blade 37 are rotated and transferred through the second electric motor 35 as described above, The concrete installation of the concrete with low slump value provided by the ready-mixed vehicle 200 is completed, and the rail 601 for the high-speed railway bridge and the tunnel is installed by repetitively installing the concrete with low slump value while repeating the above- The bottom surface 602 or the road surface construction is completed.

That is, according to the present invention, a moving bogie 10 and a concrete placement chute 30 coupled to the moving bogie 10 are moved forward along the traveling direction from the left side (or right side) of a high speed railway bridge or tunnel, The ready-mixed vehicle 200 also moves together with the concrete floor 10 to move the concrete floor to the left side (or right side) of the high-speed railway bridge or the tunnel to construct a floor surface 602 or a road surface on which the railway 601 is to be installed And the bottom surface 602 or the road surface construction on which the railway 601 is to be installed in the opposite direction may be sequentially performed while the bottom concrete is successively placed on the right side (or left side) in the opposite direction .

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10; Mobile truck 11; The first electric motor
12; Chain 13; Wheel
20; Adjusting member 21; Fixed frame
22; Vertical bar 22a; Hinge axis
23; A support rod 23a; Hinge axis
30; Concrete casting chute 31; Semicircular suit
32; First rotating rods 32a, 32b; The first and second chain gears
33; Second rotating rods 33a and 33b; The third and fourth chain gears
34; A first chain 35; The second electric motor
35a; A fifth chain gear 36; The second chain
37; A moving blade 37a; Fixed body
71; A first chain connecting piece 72; The second chain connecting piece
73; Chain coupling piece 74; Wing engagement piece
100; Fastening screws 200; Remicon vehicles
300; Cavity structure 400; Chair
500; Adjustment panel 601; Railway
602; Bottom surface

Claims (7)

A high-speed rail bridge structure or a hollow structure formed at a predetermined height on both sides along a traveling direction of a tunnel;
And a first electric motor installed at a height in a horizontal direction free end and a vertical direction lower end of the frame so as to be raised on the ground of the bridge structure or the high speed railway bridge or the tunnel, A moving truck moving forward and backward along the traveling direction of the high-speed railway bridge or tunnel through the truck wheels when the first electric motor is driven; And
A concrete putting suit coupled to the moving truck through an adjusting member and sequentially placing concrete to be dropped from the ready-mixed vehicle on the ground along the traveling direction of the high-speed railway bridge or tunnel when the moving truck is moved back and forth; And a concrete installation device for a high-speed railway bridge and a tunnel. 2. The apparatus according to claim 1, wherein the concrete casting chute comprises:
A semicircular chute having a predetermined length for receiving concrete by being coupled with the movable carriage so as to be vertically and horizontally rotatable through the adjustment member; A first rotating bar provided at one end in the longitudinal direction of the semicircular chute and having a first chain gear and a second chain gear at both right and left ends; A second rotary bar installed at the other end in the longitudinal direction of the semicircular chute and forming a pair of left and right third and fourth chain gears at both ends; A pair of left and right first chains connecting the first and third chain gears or second and fourth chain gears; A second electric motor provided at a lower end of the semicircular chute and having a drive shaft forming a fifth chain gear corresponding to the first chain gear; A second chain connecting the first and second chain gears; And a pair of left and right chains fixed to opposite ends of the first chain at regular intervals through a fixing body and adapted to move in accordance with the movement of the first chain to move the concrete inserted into the semicircular chute to a placement position; And a concrete installation device for a high-speed railway bridge and a tunnel. And a first electric motor installed at a different height from each other in the horizontal direction free end and the vertical direction lower end of the frame, which are manufactured in the shape of "a ", and includes a chain wheel connected with the first electric motor, A moving truck moving back and forth through the truck when the electric motor is driven; A concrete casting shoe coupled to the moving truck through an adjusting member; And,
The concrete pouring chute,
A semicircular chute having a predetermined length for receiving concrete by being coupled with the movable carriage so as to be vertically and horizontally rotatable through the adjustment member;
A first rotating bar provided at one end in the longitudinal direction of the semicircular chute and having a first chain gear and a second chain gear at both right and left ends;
A second rotary bar installed at the other end in the longitudinal direction of the semicircular chute and forming a pair of left and right third and fourth chain gears at both ends;
A pair of left and right first chains connecting the first and third chain gears or second and fourth chain gears;
A second electric motor provided at a lower end of the semicircular chute and having a drive shaft forming a fifth chain gear corresponding to the first chain gear;
A second chain connecting the first and second chain gears; And
A pair of left and right chains fixed to opposite ends of the first chain at regular intervals through a fixing body and connected to the first chain to move the concrete inserted into the semicircular chute to a placement position; And a concrete pouring device for a high-speed railway bridge and a tunnel. 4. The apparatus according to claim 1 or 3,
A fixed frame protruding from a lower end of one side of the moving truck;
A vertical rod coupled to the semicircular chute so as to rotate the semicircular chute in a vertical direction of the semicircular chute, the lower side of the semicircular chute being vertically coupled to the fixed frame to rotate the semicircular chute in the left-right direction; And
A support rod extending from one side of the stationary frame to the bottom of the semicircular chute and coupled to the hinge axis so as to provide a bearing force when the semicircular chute is rotated in an up and down direction; And a concrete pouring device for a high-speed railway bridge and a tunnel. 4. The chain according to claim 2 or 3,
A first chain connecting piece to which the moving wing is engaged and fixed while piercing a pair of first hollow holes at both ends so as to be folded in one direction so as to prevent bending in a reverse direction, A second chain connecting piece for piercing the second hollow hole of the first and second chain connecting pieces, and a second holding portion for holding the first and second hollow holes of the first and second chain connecting pieces, And a chain coupling member for connecting the high-speed railway bridge and the tunnel. 6. The apparatus according to claim 5,
A second pin hole formed in the second hollow hole of the first chain connecting piece and a second pin hole formed in the second hollow hole of the second chain connecting hole to be engaged with the first hollow hole of the first chain connecting piece; And a fin portion. The concrete pouring apparatus for high speed railway bridges and tunnels. 6. The method of claim 5,
Wherein the first chain connecting piece is formed with a wing engaging piece and the wing engaging piece is coupled to the wing engaging piece through a fastening screw so that the moving wing is vertically erected vertically through a fixing body. .

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