JPH0668165B2 - Concrete transport method and device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method of transporting concrete from a batcher plant installation point having a height difference to a concrete placing point in a dam construction work or the like, and a transportation device used therefor. It is a thing.

[Prior Art] Conventionally, as shown in FIG. 7, a treadle girder c is supported from a lower part of a batcher plant b installed on a dam shore a by a leg d extending horizontally from the center of the dam to a transfer car. Concrete is loaded from the batcher plant b into a concrete bucket g on a truck f towed by e, and the transfer car e runs on the trestle girder c to move the concrete bucket g into the working radius of the climbing jib crane h. An empty concrete bucket g ′ is placed on a carriage f by the climbing jib crane h, and the concrete bucket g containing concrete is lifted and conveyed to a concrete placing point in the dam bank.

[Problems to be Solved by the Invention] However, such a conventional method has the following problems.

(I) A real bucket g on the truck f of the transfer car e
In order to carry out the work of suspending the concrete bucket from the empty bucket g ′, manpower is required. Moreover, a driver of the transfer car e is required.

(Ii) Since the concrete bucket is suspended on the trestle girder c, it is dangerous because the work is performed at a high place.

(Iii) There are many iron structures such as the trestle gata c and legs d, and the production cost is high.

(Iv) Trestle girder c Since the running surfaces are parallel, the cycle time becomes long and the efficiency is poor when the concrete placing surfaces are separated.

[Means for Solving Problems] The present invention is intended to solve the above problems and to simplify equipment, improve efficiency, and improve safety. A traveling path laid on one side of the inclined surface. Concrete is transferred from the batcher plant installed on the upper part of the vehicle to the hopper on the incline carriage, the incline carriage is caused to travel along the traveling path, and the incline carriage is on the traveling path and the working radius of the crane. Characterized in that it is stopped immediately before the bucket trolley stopped inside, concrete is poured from the hopper of the incline trolley to the concrete bucket on the bucket trolley, and the actual concrete bucket is transported to the setting point by the crane. The concrete transportation method to be used, and a batcher plant is installed above the upper end of the traveling path laid in the inclination direction of the inclined surface on one side, An incline trolley provided with a hopper on a traveling path is arranged so as to be towed by a winch, and a bucket trolley is disposed below the incline trolley so that the bucket trolley can be stopped and moved. The present invention relates to a concrete carrying device characterized in that a concrete is provided so that concrete can be delivered to the above concrete bucket and the crane is carried to a concrete placing point.

[Operation] The concrete prepared in the batcher plant is put into the hopper of the incline truck below the batcher plant, and then the incline truck is lowered along the traveling path by unwinding the winch and the concrete is Stopped just before the bucket carrier that stops on the running path near the setting surface, concrete is delivered from the hopper of the Incline carrier to the concrete bucket on the bucket carrier,
After that, the concrete bucket is transported to a concrete placing point by a climbing jib crane.

Embodiments Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show a first embodiment of the present invention, in which a running path 4 composed of two rails 3 and 3 is laid on an inclined surface 2 of a dam shore 1 on one side in the inclination direction of the inclined surface 2. Then, the incline carriage 5 and the bucket receiving carriage 6 are arranged on the travel path 4 so as to be movable.

The incline carriage 5 is made of shaped steel, steel pipe, steel plate or the like, and a hopper 11 is pinned between a pair of support frames 9,9 'and 10,10' fixed on a carriage body 8 having wheels 7.
It is mounted so as to be tiltable at 12, and the tip of a piston rod 14 of a cylinder 13 is pivotally attached to the center of the front end of the bogie body 8 by a bracket 15 and a pin 18, and the cylinder of the cylinder 13 is placed at the bottom of the hopper 11. The hopper 11 is pivoted by a bracket 17 and a pin 18 so that the hopper 11 can be dumped up.

A hoisting winch 20 is installed in a machine room 19 provided on the dam shore 1 in the extension direction of the upper end of the traveling path 4, and one or two hoisting ropes 21 of the hoisting winch 20 are connected to the incline carriage. Pin 23 is attached to the bucket 22 fixed to the rear end of the bogie body 8 of No. 5
It is connected to the lower end of the lever 24 pivotally attached so that the incline carriage 5 can be pulled and run.

Actuation lever for the escape prevention device 25 attached to the bogie body 8
The rod 27 is connected to the end of 26, the other end of the rod 27 is connected to the upper end of the lever 24 through a reversing mechanism, and when tension is lost due to breakage of the hoisting rope 21, The rod 27 uses a reverse rotation mechanism and a spring to support the bucket carrier 6
It is forced to move to the side so that the escape prevention device 25 operates.

The bucket trolley 6 is made of shaped steel, steel pipe, steel plate or the like, and is provided between a pair of support frames 30, 30 'and 31, 31' fixed on a trolley body 29 having wheels 28. 32 is attached so that the bucket trolley 6 becomes horizontal when moving on the traveling path 4, and a guide fence 33 is attached to the periphery of the bucket pedestal 32 so that miscellaneous loads other than the concrete bucket 34 can be placed, A hoisting rope 36 having one or two hoists from the hoisting winch 35 installed in the machine room 19,
A pin is connected to a lever pivotally attached to the rear end of the trolley body 29, as in the case of the incline trolley 5, so that the vehicle can be towed and the escape prevention device 37 operates.

A cable reel 38 and a compressor are mounted on the bucket carrier 6 and a concrete bucket 34 is passed from the compressor via an automatic air supply device 39 provided on the bucket carrier 32.
Compressed air is supplied to the air receiver tank inside. Concrete bucket 34 on the bucket support 32
A bucket alignment jig 40 for aligning the above is provided, and when the concrete bucket 34 is installed on the bucket receiving stand 32, the approach interlock with the incline carriage 5 is released so that the bucket comes close to the vehicle at a slight speed. is there. The connecting portion between the bucket trolley 6 and the incline trolley 5 has a structure in which they are fitted with each other. When the concrete bucket 34 is placed on the bucket trolley 6, the concrete bucket
Compressed air is supplied from the air receiver tank in 34 to the cylinder 13 on the side of the incline carriage 5 to tilt the hopper 11. The cable reel 38 is connected to the machine room 19
The cable 41 guided from is unwound to a required length.

Here, without installing a compressor, the air hose 42 may be guided from the machine room 19 and unwound to a required length from the air hose reel 43, and compressed air may be supplied to the automatic air supply device 39 from the outside. . Further, instead of the automatic air supply device 39, the air receiver tank, etc., a hydraulic device may be mounted on the incline carriage 5 and the cylinder 13 may be hydraulically driven by supplying power from the cable reel 38 and the cable 41.

A batcher plant 44 is installed above the upper end of the travel path 4, and a fixing device is provided below the batcher plant 44 to fix the incline carriage 5 at rest, and near the lower end of the travel path 4. A climbing type jib crane 45 is installed.

Further, the hoisting rope 21 may be connected to the position of the pin 12 when the position of the pin 12 changes forward of the wheel 7 due to the inclination of the traveling path 4.

In the figure, reference numeral 46 indicates a control panel provided in the machine room 19. Next, the concrete carrying method of the present invention will be described.

The dump-type incline carriage 5 is aligned with the lower part of the batcher plant 44 by the hoisting winch 20. Concrete is loaded into the hopper 11 of the incline truck 5 from the batcher plant 44.

When the crane working radius is set by operating inside the cab 47 on the crane side, the bucket trolley 6 is lifted by the hoist 35
The hoisting rope 36 is used to travel the traveling path 4 to the crane working radius position and stop.

The concrete bucket 34 hung by the jib crane 45 is installed on the bucket pedestal 32 of the bucket trolley 6 by the hoisting and lowering operation on the jib crane 45 side, and is aligned by the bucket alignment jig 40. At the same time as installing the concrete bucket 34, an automatic air supply device for the bucket carrier 6
Air is automatically supplied from the air receiver tank of the concrete bucket 34 from 39, and the approach interlock with the incline carriage 5 is released.
Are approaching at a very low speed, and the incline carriage 6 is connected to the bucket receiving carriage 6.

By connecting the carriages 5 and 6, a power supply device or an automatic air supply device 3
9, the cylinder 13 on the side of the incline carriage 5 is operated, the piston rod 14 is projected, and the hopper 11 is tilted,
The concrete in the hopper 11 is transferred to the concrete bucket 34 on the bucket carrier 6.

Incline carriage 5 automatically separates from bucket carrier 6 and returns to below batcher plant 44.

Next, a driver on the jib crane 45 side lifts the concrete bucket 34, and when the concrete bucket 34 leaves the bucket pedestal 32, the limit switch for the interline carriage approach interlock installed near the bucket alignment jig 40 is It will be canceled.

FIG. 5 shows a second embodiment of the present invention, in which a push-out type hopper 48 is attached to the incline carriage 5'in place of the dump type hopper 11 in a configuration similar to that of the first embodiment. Is. That is, the opening / closing plate 20 at the tip-side bottom of the container-shaped hopper body 49 having a large opening at the top can be opened and closed by the cylinder 51, and the concrete pushing plate 52 in the hopper body 49 can be pushed forward and backward by the cylinder 53. Is done. In FIG. 5, the same symbols as those in FIGS. 1 to 4 indicate the same components.

In the case of the present embodiment, after the concrete is loaded from the batcher plant 44 into the hopper body 49, the concrete is connected to the bucket carrier 6, and when the concrete bucket 34 is installed, the opening / closing plate 50 is opened by the cylinder 51. Extrusion cylinder
The concrete push plate 52 driven by 53 pushes the concrete 54 in the hopper body 49 into the concrete bucket 34.

FIG. 6 shows a third embodiment of the present invention, in which a lower discharge type hopper 55 is attached to the incline carriage 5 ″ in place of the dump type hopper 11 in a configuration similar to that of the first embodiment. For example, a hopper body 57 having a discharge port 56 at the bottom is attached by a damper 58 so that it can be held horizontally, and a gate 59 attached at the bottom of the hopper body 57 can be opened and closed by a cylinder 60.

In FIG. 6, the same symbols as those in FIGS. 1 to 4 indicate the same components.

In the case of this embodiment, concrete is loaded in the hopper body 57 at the bottom of the batcher plant 44, and after connecting with the bucket carrier 6, the gate 60 is opened by the cylinder 60.
Concrete goes through chute 61 and concrete bucket
It is thrown into 34.

In the above, the bucket carriage 6 can be controlled from the operator's cab of the crane or the position of the operator's cab on the batcher plant 44 and other operating equipment. When the work radius of the jib crane 45 is set to the stop position of the bucket carrier 6, the stop position of the bucket carrier 6 is automatically set, and the hoisting, undulating and turning drives are automatically driven to that position. When the stop position of the bucket trolley 6 is set, the incline trolley 5 is decelerated and stopped immediately before the bucket trolley 6 by the control panel 46.

The present invention is not limited to the above-described embodiments, and a climbing crane may be combined with a general fixed jib crane, a cable crane may be used, and the dam may be used for other than dam construction work. Of course, various changes can be made without departing from the scope of the invention.

[Effects of the Invention] As described above, according to the concrete carrying method and apparatus of the present invention, various excellent effects as described below are exhibited.

(I) Receiving concrete from a batcher plant by an incline trolley, connecting it to a movable bucket trolley after traveling, putting it in a concrete bucket on the bucket trolley, and carrying it by a crane to a setting point Therefore, the conventional trestle girder and transfer car are not required.

(II) Since the work of suspending the concrete bucket on the trolley of the transfer car as in the past is eliminated and the work at a high place on the truss girder is eliminated, work safety is ensured.

(III) A transfer car driver and a concrete suspension operator are not required, which reduces running costs.

(IV) The equipment cost can be reduced because the trestle girder etc. is not necessary.

(V) It becomes possible to perform an operation close to a fully automatic operation, and in particular, it is possible to significantly reduce the ups and downs of the working radius operation on the crane side, which improves operability and greatly shortens the cycle time.

[Brief description of drawings]

FIG. 1 is an overall explanatory view of the first embodiment of the device of the present invention, and FIG.
The figure is a view taken in the direction of arrows II-II in FIG. 1, FIG. 3 is an explanatory view of the incline carriage and the bucket carriage in FIG. 1, the right half of FIG. 4 is IV-IV and the left half of FIG. Is an IV'-IV 'direction arrow view, FIG. 5 is a partial explanatory view of a second embodiment of the apparatus of the present invention, FIG. 6 is a partial explanatory view of a third embodiment of the apparatus of the present invention,
FIG. 7 is an explanatory view showing an example of a conventional concrete carrying device. 2 is an inclined surface, 4 is a traveling path, 5, 5 ', 5 "are incline carriages, 6 is a bucket carrier, 11 is a hopper, 12 is a pin, 13 is a cylinder, 19 is a machine room, 20 and 35 are windings. Upper winch, 21 and 36 are hoisting ropes, 25 and 37 are escape prevention devices, 32 is bucket support, 33 is guide fence, 34 is concrete bucket, 38 is cable reel, 39 is automatic air supply device, 41 is cable , 42 is an air hose, 43 is an air hose reel, 44 is a batcher plant, 45 is a jib crane, 48 and 55 are hoppers, 49 and 57 are hopper bodies, 50 is an opening / closing plate, 52 is a concrete pressing plate, 53 is an extruding cylinder, 59 Indicates a gate, and 60 indicates a cylinder.

Claims (2)

[Claims] 1. A concrete is transferred from a batcher plant installed on an upper part of a traveling path laid on one inclined surface to a hopper on an incline carriage, the incline carriage is made to travel along the traveling path, and the ink is discharged. The line truck is stopped on the traveling path and immediately before the bucket truck that has stopped within the working radius of the crane, concrete is poured from the hopper of the incline truck into the concrete bucket on the bucket truck, and the actual conley A method for carrying a fillet, characterized in that a bucket is carried by the crane to a setting point. 2. A batcher plant is installed above the upper end of a traveling path laid in the direction of inclination of the one-sided inclined surface, and an incline carriage equipped with a hopper is arranged on the traveling path so that it can be towed by a winch. At the same time, a bucket carrier is disposed below the incline carrier so as to be stopped and movable so that concrete can be transferred from the incline carrier to a concrete bucket on the bucket carrier, and the concrete bucket is placed at a concrete pouring point. A concrete transportation device characterized by the installation of a crane for carrying it up to.