JP2002037454A - Concrete loader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To safely carry concrete to a concrete bucket landing position and throw the same into the concrete bucket safely and efficiently in the case of carrying the concrete for constructing a dam by a damp truck. SOLUTION: In this concrete loader 10 for throwing concrete into the concrete bucket landing on the ground surface, a base 11 is installed on the lower part, a vessel 26 is provided on the upper part, a first arm 19 and a second arm 20 are connected and constructed between the base 11 and the vessel 26, a cross part 21 of the first arm 19 and the second arm 20 is rotatably connected, and the connection between the first arm 19 and the base 11 and between the second arm 20 and the vessel 26 are accomplished so that the first arm 19 and the second arm 20 are respectively moved along the base 1. A jack 13 is mounted in the vicinity of the rear of the base 11, and the jack 13 and the rear of the first arm 19 are connected, whereby the vessel 26 is raised or lowered by expansion and contraction of the jack 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete loading machine, and more particularly, to a concrete loading machine capable of efficiently unloading concrete from a dump truck and then efficiently loading the concrete into a concrete bucket. It is about the machine.

[0002]

2. Description of the Related Art
When concrete for constructing a dam is cast by a cable crane or the like using a concrete bucket, if the distance from the batcher plant to the lifting position of the concrete bucket is long, concrete may be transported by a dump truck. At this time, as shown in FIG. 6 (a), a concrete bucket 2 for placing concrete is placed on the ground surface 1, and the concrete 3 transported by the dump truck 4 can be put in from the upper part 2a. A gantry 8 having a predetermined height is mounted on the loading platform of the dump truck 4 according to the height of the concrete bucket 2, and a vessel 7 is provided on the gantry 8 to transport the concrete 3. Therefore, since the concrete 3 is transported by the vessel 7 provided at a position higher than the loading platform of the dump truck 4, the center of gravity becomes high during operation, and there is a risk of falling over on a curve or the like.

As shown in FIG. 6 (b), the loading platform of the dump truck 4 is tilted so that the concrete bucket 2
When the concrete 3 is put into the vessel 7, if the concrete 3 in the vessel 7 is difficult to come out, the center of gravity is located behind the rear wheel, and the front wheel 5 of the dump truck 4 rises and the rear wheel 6, 6 There is also a risk that the support of the vehicle may become unstable.

[0004] In order to solve the above problem, a concrete loading machine capable of safely transporting concrete without unduly increasing the center of gravity of the dump truck, safely unloading the concrete, and efficiently loading the concrete into a concrete bucket is proposed. The technical problem to be solved arises, and the present invention aims to solve this problem.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and a concrete loading machine for putting concrete into a concrete bucket landing on the ground surface has a lower base. A vessel is provided on the top of the base, a first arm is provided between the rear of the base and the front of the vessel, and a second arm is provided between the front of the base and the rear of the vessel. , The base and the vessel are connected to each other, and a cross portion between the first arm and the second arm is rotatably connected. Further, the first arm, the base, and the second arm are connected to each other. The connection with the vessel is formed such that the first arm is movable along the base and the second arm is movable along the vessel, while installing a jack near the rear of the base. Jack and the first door And a concrete loader configured to move the vessel up or down by expansion and contraction of the jack, and a rear length of the second arm up to a connection between the cross section and the vessel. A concrete loader for forming a length longer than a front length of the first arm up to a connection portion between the cross portion and the vessel, and a concrete loader for charging concrete into a concrete bucket to land on the ground surface. A base is installed on the ground surface near the concrete bucket, a front part of the base is rotatably connected to an upper part of the concrete bucket, and a hanging part for lifting the base is provided at a rear part, and the base is provided. A vessel is provided at the top of the vessel, the concrete receiving section is provided at the rear of the vessel, and the concrete is provided along the base at the front. There is provided a concrete loader providing the chute portion to be introduced into the Tobaketto.

[0006]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described in detail with reference to FIG. The same components as those of the conventional example will be described using the same reference numerals.

FIG. 1 is a perspective view of a concrete loader 10 in which a vessel 26 for putting concrete into a concrete bucket is being raised. The concrete loader 10 has a base 11 made of steel at a predetermined interval at a lower portion thereof.
11 is provided horizontally, and a pedestal 25 made of a steel material to which the vessel 26 made of a steel plate is fixed is provided above the bases 11 and 11.

The rear portion 11b of the base 11 and the pedestal 2
The first arm 19, 1 made of a steel plate is provided between
9 are laid on the left and right, and between the front part 11a of the base 11 and the rear part 25b of the pedestal 25, second arms 20, 20 made of a steel plate are also laid on the left and right, and the first arms 19 are formed.
And a cross portion formed by the second arm 20 and a pin 21 is inserted into the center of the cross portion to connect the first arm 19 and the second arm 20 and rotate about the pin 21. It is formed as follows.

A member intersection between the first arm 19 and the front portion 25a of the pedestal 25 and a member intersection between the second arm 20 and the front portion 11a of the base 11 are respectively provided at the center thereof. The pin 23 and the pin 18 are inserted, the first arm 19 and the pedestal 25 are connected, and the second arm 20 and the base 11 are connected, respectively. The first arm 19 and the second arm 20 are formed to be rotatable.

[0010] Further, the connecting portion between the first arm 19 and the base 11 is formed such that the first arm 19 is connected to the rear portion 1 of the base 11.
In order to be able to move horizontally from 1b to near the front part 11a,
A long hole 17 having a predetermined length is provided in the base 11, and a rod 16, which will be described later, is inserted and connected to the rear portion of the first arm 19 and the center of the intersection of the long hole 17.

The connecting portion between the second arm 20 and the pedestal 25 is connected to the pedestal 2 so that the second arm 20 can move horizontally from the rear portion 25b of the pedestal 25 to the vicinity of the front portion 25a.
5 is provided with a long hole 24 of a predetermined length, and a pin 22 is inserted and connected at the center of the intersection of the rear portion of the second arm 20 and the long hole 24.

On the other hand, a rear portion 11b of the base 11 is formed by joining the left and right bases 11, 11 with steel, forming a boss portion 12 at the center thereof, and forming a rod portion 14 in the boss portion 12.
To the first arm 19 side and the hydraulic jack 13
Detain. Further, a bracket-like joint portion 15 is attached to the tip of the rod portion 14, and the tip of the bracket is inserted between the left and right first arms 19, 19, and the rod 16 connected to the bases 11, 11 is inserted through the joint. . Further, the front part 25a and the rear part 25b of the left and right pedestals 25 are joined with steel, and a bottom plate 27, a rear plate 29 and left and right side plates 28, 28 form a vessel 26 on the pedestal 25.

The vessel 26 projects a predetermined length from a front portion 25a of the pedestal 25 so that concrete 3 can be easily poured into a concrete bucket 2 described later, and the left and right side plates 28, 28 have a width of the rear plate 29. Further, the concrete bucket 2 is reduced to a predetermined width toward an upper opening (not shown), and the height of each plate is set to a length capable of accommodating a predetermined amount of concrete 3. The pedestal 25 and the vessel 2
The vessel 6 may be integrally formed without being divided from the vessel 6.

Next, a method of using the concrete loader 10 will be described with reference to FIGS. FIG. 2 shows a state where the concrete 3 is unloaded to the concrete loading machine 10,
The installed horizontally 3m ³ the concrete loader 10 in the vicinity of the concrete bucket 2 to landing on the ground surface 1.

In the concrete loading machine 10, the rod 14 of the hydraulic jack 13 is reduced, the first arms 19, 19 and the second arms 20, 20 are folded, and the vessel 11 is placed on the bases 11, 11. 26 is set in a superposed state. The concrete 3 is loaded and transported from a batcher plant (not shown) on a carrier of a normal 10 t dump truck 4. Then, after the rear wheels 6 and 6 of the 10t dump truck 4 are made to be adjacent to the rear end of the concrete loader 10, the loading platform is inclined and the concrete 3 is put into the vessel 26. The concrete transport by the ordinary 10t dump truck 4 does not have a high center of gravity, so that it can be transported safely and the unloading to the vessel 26 can be stably and safely performed.

Next, a method of putting the concrete 3 into the concrete bucket 2 will be described with reference to FIG. When the rod portion 14 of the hydraulic jack 13 is gradually extended, the rod 16 connected to the joint portion 15 provided at the tip of the rod portion 14 moves forward in the elongated hole 17 of the base 11. While moving, the first arm 19 gradually erects with the connecting portion A between the base 11 and the first arm 19 as a fulcrum. Also, since the first arm 19 is pin-connected to the second arm 20 at the cross portion D, the first arm 19 is erected and the connecting portion E between the base 11 and the second arm 20 is centered. The second arm 20 also stands upright.

Further, since the upper portions of the first arm 19 and the second arm 20 are connected to the vessel 26,
The vessel 26 rises with the first arm 19 and the second arm 20 standing upright. At this time, the connecting portion C between the first arm 19 and the vessel 26 rotates about the pin 23, but the connecting portion B between the second arm 20 and the vessel 26 It moves forward along the elongate hole 24 provided in the pedestal 25 while standing upright. still,
Stroke of the hydraulic jack 13, the first arm 19
The length of the second arm 20 is determined by the height of the upper surface 2a of the concrete bucket 2.

Further, the first arm 19 and the second arm
20 and the vessel 26 with the concrete bucket
The concrete 3 by tilting it toward
The first arm 19 and the second arm
From the cross portion D with the first arm 19
Length L to the connection portion A with the base 11_ThreeAnd the
From the loss portion D to the base 11 of the second arm 20
Length L to connection E ₁And the same
From the portion D to the vessel 26 of the second arm 20
Rear length L up to connecting part B_TwoFrom the cross portion D
The first arm 19 is connected to the connection portion C with the vessel 26.
Front length L_FourLonger, the vessel 26 is
C is the center of rotation, the rear end of the vessel 26 from the front end
To the upper surface 2a of the concrete bucket 2
Tilt toward

After the concrete 3 is put into the concrete bucket 2 from the vessel 26, the first arm 19 and the second arm 20 are folded while the rod portion 14 of the hydraulic jack 13 is gradually reduced. , The vessel 26 is superimposed on the base 11,
Wait for the next dump truck to arrive. Further, the concrete bucket 2 is suspended by a cable crane (not shown) or the like and transported to a dam construction site.

Therefore, conventionally, from the viewpoint of safety, the concrete bucket 2 is completely landed on the ground surface 1 and then the dump truck 4 is brought close to the concrete bucket 2 and the concrete 3 is charged. Had to wait until the concrete bucket 2 landed. Further, since the transport cycle time of the dump truck 4 is different from the transport cycle time of the cable crane, the dump truck 4 waits at the concrete loading site and adjusts the cycle time. Was not able to be performed continuously, and the number had to be increased.

On the other hand, the concrete loading machine 10
, The dump truck 4 does not wait for the concrete bucket 2 to land on the vessel 2
Since the concrete 3 can be discharged into the dump truck 6, the transport by the dump truck 4 can be performed smoothly, the transport cycle time of the cable crane can be separated, and the concrete transport efficiency can be improved.
Can also be reduced.

Next, a second embodiment will be described with reference to FIGS. FIG. 4 shows a side view of the concrete loader 30 installed on the ground surface 1.
Is connected to the upper outside of the concrete bucket 2 which is to be landed on the ground surface 1. A lower portion of the concrete loader 30 is provided with a base 32 made of steel at a predetermined interval, a rear portion is formed with a horizontal portion 32a of a predetermined length so as to be installed horizontally with respect to the ground surface 1, and a front portion is formed of the concrete portion 32a. The inclined portion 32b is formed toward the connecting portion 40 provided near the upper surface 2a of the bucket 2.

On the upper part of the base 32, a vessel 31 made of a steel plate for accommodating a predetermined amount of concrete 3 is provided.
Is formed and welded to the base 32. The vessel 3
1 is formed of a bottom plate (not shown), a rear plate 31c and side plates 31a and 31b arranged at a predetermined interval, and the rear plate 31c and the side plate 31a on the horizontal portion 32a of the base 32 form a concrete receiving portion. Height and the base 32
The side plate 31b on the inclined portion 32b is slightly lower than the side plate 31a so as to form a chute portion serving as a guide when concrete 3 is put into the concrete bucket 2 described later.

The interval between the side plates 31a and 31b is reduced to a predetermined width from the width of the rear plate 31c toward the upper opening (not shown) of the concrete bucket 2 so that the concrete 3 can be smoothly removed. It can be put into the concrete bucket 2. Further, the tip of the bottom plate has a shape along the outer shape of the concrete bucket 2 so as not to hinder rotation of the concrete loader 30 when concrete is poured into the concrete bucket 2 described later.

At the rear of the horizontal portion 32a of the base 32, a suspension portion 33 for lifting the concrete loader 30 is provided. The hanging portion 33 may be formed by perforating a shackle pin insertion hole (not shown) in the member of the base 32, or may be formed by welding a bracket (not shown) to the rear end of the base 32. Good. The periphery of the hanging portion 33 is reinforced to withstand lifting with the concrete bucket 2 described later. Further, a connecting portion 40 of the front portion of the base 32 with the concrete bucket 2 is provided with the bases 32b, 32b on both sides of the upper central portion of the concrete bucket 2, and the base 32 and the concrete bucket 2 are connected to each other. Pin 4 between
Insert 1 and connect. The pin 41 is attached so that the concrete loader 30 can rotate around the connecting portion 40.

Next, a method of using the concrete loader 30 will be described with reference to FIGS. FIG. 4 shows a state where the concrete 3 is unloaded to the concrete loading machine 30.
In conjunction with 3m ³ concrete bucket 2 to landing on the ground surface 1 is placed the concrete loader 30 in the horizontal horizontal portion 32a of the base 32.

The concrete 3 is loaded and transported from a batcher plant (not shown) on a carrier of a normal 10-ton dump truck 4, and the rear wheels 6, 6 are made adjacent to the rear end of the concrete loader 30. After that, the cargo bed is inclined and the concrete 3 is put into the vessel 31. Thereafter, a sling wire 34 is hung on a hanging portion 33 provided at the rear end of the base 32, and the sling wire 34 is further hung over a hook 35 of a cable crane (not shown).

Next, by winding up the wire 36 of the cable crane as shown in FIG.
The concrete loading machine 30 with the connecting portion 40 as the center
Rises and rises, the vessel 31 tilts, and the concrete 3 is put into the concrete bucket 2. Further, when the wire 36 of the cable crane is wound up, the concrete bucket 2 is lifted up through the connecting portion 40 as shown in FIG. 5B, and is transported to the dam construction site by operating the cable crane. Thus, the concrete bucket 2 of the concrete 3
The concrete loading machine 30 can be automatically used, and the concrete loader 30 is used as a part of a hanging tool.

The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified ones.

[0030]

As described above, according to the first aspect of the present invention, the base is provided at the lower part, and the vessel is provided at the upper part of the base via the first arm and the second arm arranged in a cross shape. And a jack installed on the base and the first
Since the concrete loader is formed by connecting the arm and the concrete loader, the concrete loader can be installed in the vicinity of the concrete bucket, and the jack can be reduced so that the vessel is superimposed on the base so that the normal dumping is performed. Concrete can be safely unloaded from trucks. Also, there is no danger during transportation of concrete by the dump truck.

Further, when the jack is extended, the vessel rises, so that concrete can be safely and efficiently poured into the upper portion of the concrete bucket. Also, concrete is temporarily stocked from the dump truck in the concrete loading machine and then put into the concrete bucket, so that the dump truck can be operated without being restricted by the transport cycle of the concrete bucket, thereby reducing the number of the dump truck. be able to.

According to the second aspect of the present invention, the length of the rear portion of the second arm up to the connection between the cross portion and the vessel is longer than the length of the front portion of the first arm up to the connection portion between the cross portion and the vessel. Therefore, the jack can be tilted forward with the rise of the vessel by the extension of the jack, and the concrete can be automatically charged into the concrete bucket.

According to a third aspect of the present invention, a base is installed near a concrete bucket, a front portion of the base is connected to an upper portion of the concrete bucket, and a suspension portion for lifting the base is provided at a rear portion. Since the concrete loading machine having the vessel provided on the upper portion of the base is formed, it is possible to safely unload the concrete from a normal dump truck. Also, there is no danger during transportation of concrete by the dump truck. Further, concrete can be automatically put into the concrete bucket by hoisting the suspension portion with a cable crane or the like. Therefore, the power for charging concrete from the concrete loader to the concrete bucket can be shared by the cable crane.

Thus, the concrete can be safely transported,
In addition, the present invention is an invention that can provide various kinds of remarkable effects, such as being able to be unloaded and efficiently put into a concrete bucket.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, and is a perspective view of a concrete loading machine.

FIG. 2 is a side view showing a state where concrete is unloaded from a dump truck to a concrete loading machine.

FIG. 3 is a side view showing a rising state of a vessel of the concrete loading machine.

FIG. 4 is a side view showing another embodiment and showing a state where concrete is unloaded from a dump truck to a concrete loader.

FIG. 5 (a) is a side view showing a state where a concrete loading machine is lifted by a crane. (B) The side view which shows the state which lifted the concrete loading machine and the concrete bucket with the crane.

FIG. 6A is a side view showing a state in which concrete is transported by a conventional dump truck. (B) The side view which shows the state which puts concrete in a concrete bucket from the dump truck of the prior art example.

[Explanation of symbols]

1 ground surface 2 concrete bucket 3 Concrete 10 Concrete loader 11 base 11a front 11b rear 13 jack 19 first arm 20 second arm 26 vessel 30 Concrete loader 31 Bessel 32 base 33 hanging portion 40 after connecting part L ₂ Part length L ₄ Front part length

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Kenjiro Aso 42-11 Sakaemachi, Chuo-ku, Chiba-shi, Chiba F-term in the Kumagaya Gumi Higashi Kanto Branch (reference) 3F075 AA10 BA09 BB01 CA04 CA09

Claims (3)

[Claims] 1. A concrete loading machine for putting concrete into a concrete bucket landing on the ground surface,
A base is provided at a lower portion, a vessel is provided at an upper portion of the base, a first arm is provided between a rear portion of the base and a front portion of the vessel, and a second arm is provided between a front portion of the base and a rear portion of the vessel. And the base and the vessel are connected to each other, and a cross portion between the first arm and the second arm is rotatably connected to the base. The connection between the arm and the vessel is formed such that the first arm is movable along the base and the second arm is movable along the vessel, while a jack is installed near the rear of the base. A concrete loading machine, wherein the jack is connected to a rear portion of the first arm, and the vessel is raised or lowered by expansion and contraction of the jack. 2. A length of a rear portion of the second arm up to a connection portion between the cross portion and the vessel is longer than a front length of the first arm up to a connection portion between the cross portion and the vessel. The concrete loader according to claim 1, characterized in that: 3. A concrete loading machine for charging concrete into a concrete bucket landing on the ground surface,
A base is installed on the ground surface near the concrete bucket, a front part of the base is rotatably connected to an upper part of the concrete bucket, and a hanging part for lifting the base is provided at a rear part, and a base part is provided at an upper part of the base. A concrete loading machine, comprising: a vessel; a concrete receiving portion provided at a rear portion of the vessel; and a chute portion for introducing the concrete into the concrete bucket along the base at a front portion.