JPS5996310A - Method and apparatus for finishing floor surface of floor panel for bridge beam - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a method and apparatus for finishing a concrete floor surface of a bridge deck.

Conventional technology Conventional finishing of this type of concrete floor surface is all done by hand, and when finishing by hand, the finishing with a trowel is done by putting one's foot into the concrete soon after it has been poured, so the footprints are not visible. This caused unevenness. In addition, in order to check the thickness of the slab, the inspection reinforcing bars were erected and the machine tamper could not hit them sufficiently, and furthermore, it was not possible to fully finish the mD of these reinforcing bars as desired. There wasn't.

Purpose of the Invention This invention was proposed in view of the above-mentioned circumstances, and its purpose is to accurately and quickly finish a floor surface without the need for trowel finishing or inspection reinforcing bars. An object of the present invention is to provide four methods for finishing a concrete floor surface and an apparatus therefor.

Structure and operation of the invention The floor finishing method according to the present invention includes a method for finishing a bridge deck by using a horizontal auger protruding in the longitudinal direction of the deck in front of the lawn. The finishing roller and the horizontal auger are moved in the width direction of the slab along the cross slope, and then moved a predetermined distance in the longitudinal direction of the slab, and the horizontal auger is used to adjust the thickness of the floor surface. This method eliminates the need for trowel finishing and inspection side iron (i'(r), which were conventionally used to finish the floor surface using rollers, and allows the floor surface to be finished accurately and quickly.

The floor finishing device according to the present invention includes a finishing roller that can roll on the floor surface of a bridge deck in the width direction of the deck slab, and a finishing roller that is coaxial with the finishing roller in front of this finishing roller and that is coaxial with the roller in the longitudinal direction of the deck slab. The horizontal auger protrudes from the top, the rollers and the horizontal auger are moved in the width direction of the floor slab, and the widthwise running carriage is configured to move along the width direction of the floor slab. a girder extending between both ends in the width direction of the floor slab; and vertical adjustment devices arranged on the girder at intervals in the width direction of the floor slab and capable of making the guide rail equal to the cross slope of the floor surface. and a longitudinal traveling trolley installed on both layers of the girder to support the girder vertically and traveling in the longitudinal direction of the floor slab, and a vertical adjustment device to adjust the p guide rail to the cross slope of the floor surface. After adjusting it to be equal to
After the widthwise running cart is moved along the guide rail in the width direction of the floor slab, the longitudinal running trolley is moved a predetermined distance in the direction of the floor slab, and a horizontal auger is used to measure the thickness of the floor surface. 1i
JIi leveling is carried out, and the floor surface is finished using a finishing/ff loan, and the floor surface can be finished accurately and quickly using a relatively low-volume construction.

EXAMPLE Hereinafter, a description will be given of an example illustrating the present invention. As shown in FIGS. 1 and 2, the floor finishing apparatus according to the present invention includes a finishing row 22 that can roll on the floor surface of the bridge deck 1 in the width direction of the deck, and a In front of the row 22, there is a horizontal ocher 3 that rotates coaxially with the finishing row 22 and protrudes in the longitudinal direction of the floor slab.
3 in the direction of the floor slab O, and a guide rail 5 that resides in and guides and supports the width direction traveling vehicle 4t and the floor slab in the width direction of the floor slab. is a girder 6 which has been passed, a vertical adjustment device 7 that can make the guide rails 5 arranged in large number at intervals in the woodblock width direction on the girder 6 to be equal to the cross slope S of the floor surface, and both ends of the girder 6. A longitudinally traveling carriage 8 is provided in the section and supports the girder 6 in a vertically movable manner, and is disposed in the longitudinal direction of the floor slab and runs on an n'fc traveling rail.

As shown in FIGS. 6 to 5, the finishing roller 2 and the horizontal auger 3 are connected to the lower frame of the widthwise traveling truck 4 by four people in rotational direction.
Rotate through o2.

The upper mount 4B and lower mount 4A of the width direction traveling trolley 4 are as follows:
The angle of the row "y2" and the auger 3 can be changed by rotating the turntable 11, so that it can also be used for diagonal bridges.

The upper frame 4B has a pair of guide rails 5 in the longitudinal direction of the floor slab.
It has wheels 12 that roll on it and a drive section 13, by which the width direction traveling cart 4 is made to travel.

The drive unit 13 includes a motor 14, a drive sprocket 15 that is negatively driven by the motor 14, and a 7ζ driven sprocket 16 arranged on both sides of the drive sprocket 15.
In Karanashi, the chain 717 stretched 7' in the width direction of the floor slab was hung on the tin rockets 15 and 16 in the spring, and I was amazed.

Note that although this figure shows a hydraulic drive system, the system is not limited to this.

The girders 6 are arranged in a pair in the longitudinal direction of the floor slab, and are connected by a connecting member 18, as shown in FIGS. 3 and 7.

As shown in FIGS. 6 and 4, the vertical adjustment device 7 is a long pole rotatably installed inside the girder 6.
and a support member 20 whose upper part is screwed onto the long bolt 19 and whose lower part receives the guide rail 5 from below, and which is attached to the girder 6 so as to be slidable up and down. The vertical position of the guide rail 5 is adjusted by rotating the guide rail 19 in forward and reverse directions.

The longitudinal direction traveling carts 8 are arranged in pairs in the longitudinal direction of the floor slab, and as shown in FIG. 8, are composed of a cart section 22 that runs on the traveling rail 21 and an upper F position adjustment member 23.

The vertical position adjustment member 23 includes a male threaded member 24 whose lower end is pivoted to the trolley portion 22, a female threaded member 26 that is screwed into the male threaded member and rotated by a vertically movable handle 4 attached to the upper part. It consists of a support @ 27 that rotatably supports the female screw member 26 and a support member part that attaches this support tube 27 to the girder 6, and a vertically moving handle 25 (i: By rotating it, the vertical position of the cider 6 is adjusted. can.

Further, the mounting base 28A of the support member is attached to the girder 6 so as to be movable in the longitudinal direction of the girder, so that it can also be used for diagonal bridges. That is, as shown in FIGS. 7 and 8, an angle member 29 is attached to the upper end of the girder 6, and a locking plate 30 that can engage with the angle member 29 is attached to the back surface of the mounting base 28A with bolts.・
It is attached by a nut. Roughly, mounting base 28
A locking plate 31 that can engage with a partial lip of the girder 6 is attached to the lower rear surface of A by bolts and nuts.

In addition, as shown in FIGS. 10 and 11, a pair of truck parts 2
A motor 32 is attached to one side of the motor 3.
The wheels 34 are rotated through a power transmission 2 and a 4mh 33, allowing it to run on its own.

In this case as well, it is hydraulically driven as described above, but it is not limited to this.

In such a configuration, the vertical position and A alignment of the girder 6 are performed, and the guide rail 5 is made equal to the cross slope by a large number of vertical adjustment devices 7. Next, in the case of a diagonal bridge, one of the longitudinal carriages 8 is moved as shown by the chain line in FIG. 7, and the row-y2 and auger 3 are rotated to make the inclination angles the same.

Next, after the roller 2 and auger 3 are rotated while the width direction traveling cart 4 is run, the entire apparatus is moved a predetermined distance in the longitudinal direction of the floor slab, and then the width direction travel is performed. Here, the width direction traveling trolley 4 can be automatically reversed by a limit switch.

Through the operations described above, the thickness of the concrete is first adjusted by the auger 3 on the floor surface after concrete is poured, and then the finish is applied by the roller 2, so that the floor surface has the desired cross slope. Obtained automatically.

Effects of the Invention According to the floor finishing method according to the present invention, the following effects can be obtained.

■ Trowel finishing and inspection reinforcing bars are no longer required.

■ Accurate cross slope can be obtained, unevenness is eliminated, and errors in unevenness are reduced.

■ Finishing time is extremely shortened.

■ The required floor slab width can be obtained by combining several girders as unit girders.

Next, depending on the device, the floor finishing according to the present invention can achieve the above-mentioned effects (1) to (3) with a relatively simple configuration, and
It can also be easily applied to diagonal bridges.

[Brief explanation of the drawing]

1 and 2 are a perspective view and a front view showing the floor finishing apparatus according to the present invention, FIG. is the 6th prisoner V-V@
sectional view, FIG. 6, and FIG. 7 are a side view showing half of the device, a plan view, FIGS. 8, 9, and FIGS. FIG. 2 is a front view and a side view showing a truck section having a drive section. 1...Bridge woodblock, 2...Finishing roller, 3...Horizontal auger, 4...Width direction running trolley, 4A... Lower mount, 4B...
... Upper frame, 5 ... Guide rail, 6 ...
... Girder 17 ... Vertical straightening device, 8 ...
...Longitudinal traveling trolley, 9...Motor, lO
... Power transmission mechanism, 11 ... Turntable, 12 ... Wheels, 13 ... Drive unit, 1
4... Motor, 15... Drive Sugerocket, 16... Driven sprocket, 17...
...Chain, 18...Connecting material, 19...
... Long bolt, 20 ... Supporting member, 21.
...Traveling rail, 22...Bolly section, 23...
...Upper and lower tit adjustment member, 24...Male thread member, 25...Vertical movement knob, 26...
...Female thread member, 27... Support cylinder, 28...
...Supporting member, 28A...Several base, 29...
... Angle material, 30, 31... Locking plate,
32...Motor, 33...Power transmission mechanism, 34...Wheels, 35...Traveling drive section. 8th prisoner Figure 9

Claims (2)

[Claims] (1) A horizontal auger that protrudes in the longitudinal direction of the deck is installed in front of a finishing lawn that can roll on the deck surface of the bridge deck in the width direction of the deck, and these finishing rollers and horizontal augers are installed on the cross slope. After moving the floor slab in the width direction, the floor slab is moved a predetermined distance in the longitudinal direction, the thickness of the floor surface is adjusted by the horizontal auger, and the finishing of the floor surface is finished by the roller. The method for finishing the floor surface of bridge deck slabs is characterized by: (2) The finish that can roll on the floor of the bridge deck in the width direction of the deck is a roller, and this finish includes a horizontal auger in front of the roller that is coaxial with the finishing roller and protrudes in the longitudinal direction of the deck;
These finishings include a widthwise traveling carriage that can move the row 2 and the horizontal auger in the widthwise direction of the slab, and a guide rail that guides and supports this widthwise traveling carriage along the widthwise direction of the slab. The interspace includes a stepped girder, a large number of vertical adjustment devices arranged at intervals in the width direction of the floor slab on the girder and capable of making the guide rail equal to the cross slope of the floor surface, and a vertical adjustment device at both ends of the girder. 1. A floor surface finishing device for bridge deck slabs, comprising a longitudinally traveling truck that supports a girder in a vertically movable manner and travels in the longitudinal direction of the deck slab.