JP2001032325A - Soil pumping-up machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soil pumping-up machine in which the term of works and construction cost required for installation works and removal works on a field can be reduced while installation and removal can be conducted immediately at all times and trouble on traffic can be inhibited at an extremely small value. SOLUTION: An extensible expansion-contraction frame 6 is loaded in a crawler 1, and a belt conveyor 4 with box-shaped fins and a sealing belt 7 circulating along the belt conveyor are support to the expansion-contraction frame 6 so as to be expanded and contracted with the expansion and contraction of the expansion-contraction frame 6. A conveyor stocker 5 stocking the spare extending section 4a of the belt conveyor 4 with the box-shaped fins and a belt stocker 8 stocking the spare extending section 7a of the sealing belt 7 are installed onto the crawler 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earthmoving machine for excavating excavated earth and sand during underground excavation work on a vertical belt conveyor.

[0002]

2. Description of the Related Art JP-A-11-117682 discloses that
A lifting system using a box-type finned belt conveyor as a vertical belt conveyor is disclosed. In this unloading system, a box-type fin belt conveyor and a seal belt (flat belt) covering the opening surface are vertically penetrated from the surface of the ground into a guide pipe suspended in an underground excavation space, thereby forming a box-type fin. A conveyor stocker and a belt stocker that stock the pre-stretched portion of the belt conveyor and the pre-stretched portion of the seal belt, respectively, are installed on the ground.

[0003]

However, in such a fixed-type facility, installation and removal of guide pipes according to the situation at the site, a conveyor stocker of a belt conveyor with a box-type fin and a belt of a seal belt are required. The installation and removal of the stocker requires a period of construction, requires skill, and requires a period and cost for each site. Furthermore, since the conveyor stocker of the box-type finned belt conveyor and the belt stocker of the seal belt are permanently installed on the ground during the construction period, there are various problems such as always obstructing traffic during the construction period.

[0004] Therefore, an object of the present invention is to reduce the time and cost required for installation work and removal work at the site by making the whole movable, and installation and removal can be performed at any time, so that transportation to transportation is possible. An object of the present invention is to provide a lifting machine capable of minimizing obstacles.

[0005]

The earthmoving machine of the present invention has a telescopic frame which is extendable and retractable, and a vertical belt conveyor is supported on the telescopic frame so as to expand and contract with the expansion and contraction of the telescopic frame. In addition, a conveyor stocker for stocking the pre-stretched portion of the vertical belt conveyor is provided on the traveling carriage.

In the case where the vertical belt conveyor is a box-type finned belt conveyor, a seal belt circulating along the box-type finned belt conveyor is supported by the telescopic frame so as to expand and contract with the expansion and contraction of the telescopic frame. A belt stocker for stocking the pre-stretched portion of the belt is provided on the traveling carriage.

[0007] The telescopic frame has a structure in which a plurality of unit frames are telescopically combined with each other in a telescopic manner.

When the telescopic frame is mounted so as to be reversible between a vertical position and a horizontal position with respect to the traveling vehicle, the entire height is kept low by setting the telescopic frame in a horizontal position when the earth moving machine is moved. be able to.

[0009] A crawler is preferable as the traveling vehicle. It is preferable to provide a protective cover on the telescopic frame for safety.

[0010]

Next, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1 to FIG.
It has a structure in which all mechanisms are mounted on a carrier 2 of a crawler 1 which is a traveling vehicle and travels on its own. An outrigger 3 for suspending the earthmoving machine in a stable stop state is suspended from the carrier 2.

A pre-stretched portion 4a of an endless box-type finned belt conveyor 4 which is a vertical belt conveyor is placed on the loading platform 2.
Is fixedly installed. At the front end of the loading platform 2, a telescopic frame 6 for extending the box-shaped fin belt conveyor 4 and a belt stocker 8 for stocking a pre-extended portion 7a of the seal belt 7 are provided.
Are mounted so as to be integrally rotatable so that they can be reversed between a vertical posture (FIG. 1) and a horizontal posture (FIG. 4). That is,
The telescopic frame 6 and the belt stocker 8 are juxtaposed on a rotating frame 10 pivotally supported by a bearing 9 at the front end of the loading platform 2,
A vertical posture and a horizontal posture can be switched by a reversing hydraulic cylinder 12 provided between the rotating frame 10 and the fixed frame 11 on the loading platform 2.

The conveyor stocker 5 supports a plurality of fixed side pulleys 13 at predetermined positions in front of the fixed frame 11 on the loading platform 2 at intervals vertically, and slides back and forth along the fixed frame 11. Pulley truck 14
A plurality of movable side pulleys 15 are vertically supported at intervals,
The pulley truck 14 is connected to a hydraulic cylinder 16 for extending the conveyor.
To move back and forth. Then, the pre-stretched portion 4a of the box-type finned belt conveyor 4 is wrapped around the pulleys 13 and 15 so that the pre-stretched portion 4a of the box-type fin-shaped belt conveyor 4 can be stocked in a plurality of meandering states. At the same time, the pulley carriage 14 is advanced and retracted by the hydraulic cylinder 16 so that the belt conveyor 4 with box fins can be automatically extended and retracted.

The telescopic frame 6 has a telescopic structure in which a plurality of unit frames 6a whose sizes (peripheral lengths) are reduced stepwise are inserted in such a manner that smaller unit frames are sequentially slidably inserted into larger unit frames. The largest unit frame 6 a is fixed to the rotating frame 10.

A telescopic winch 1 is mounted on a rotating frame 10.
The telescopic frame 6 can be automatically expanded and contracted by winding or unwinding the wire 18 with the telescopic winch 17. 5 to 7 show a state in which the telescopic frame 6 is vertically extended.

The box-type finned belt conveyor 4 is pulled out from the conveyor stocker 5 side, enters the telescopic frame 6 via the guide pulleys 19 and 20 on the rotating frame 10, and becomes the smallest (most advanced) unit frame. The U-turn is made from the tip guide pulleys 21 and 22 at the tip of 6a, and returns to the inside of the telescopic frame 6 via the holding guide portion 23 provided on the foremost unit frame 6a. It returns to the conveyor stocker 5 via the section 24 and the guide pulleys 25 and 26 and circulates.

The seal belt 7 is wound around the plurality of fixed pulleys 27 and the plurality of movable pulleys 28 in the belt stocker 8 in a multi-stage meandering state.
The movable side pulley 28 is advanced and retracted by the belt extending hydraulic cylinder 29 so that the extension and retraction of the seal belt 7 can be automatically performed. Then, the seal belt 7 enters the telescopic frame 6 via the guide pulley 30 on the rotating frame 10, and passes through the guide pulleys 31 and 32 provided on the foremost unit frame 6 a, and the pressing guide portion. 23, make a U-turn, return along the box type fin belt conveyor 4 to the corner guide portion 24 while covering the opening surface thereof,
Belt stocker 8 via upper guide pulleys 33 and 34
It returns to and circulates.

A box-type finned belt conveyor 4 is provided on the lowermost unit frame 6a below the holding guide 23.
A charging chute 35 for charging earth and sand is provided.

On the other hand, on the fixed frame 11, which is also the frame of the conveyor stocker 5, a tilting frame 37 on which a carry-out relay belt conveyor 36 is mounted so that the vertical tilt can be adjusted by a hydraulic cylinder 38 for changing the angle. Have been. A dropping chute 39 is provided at the tip of the tilting frame 37 (the end of the carry-out belt conveyor 36).

The rotating frame 10 and the fixed frame 1
1 is a stopper 1 for restricting further rotation of the rotating frame 10 in a state where the telescopic frame 6 is in the vertical posture.
0a and 11b are protruded respectively. In FIG. 2, reference numeral 40 denotes an operator cab of the crawler 1, and 41 denotes a power unit.

The earth-moving machine is constructed as described above, and in use, the crawler 1 is operated to move it to a required point on the site. At that time, when the telescopic frame 6 and the belt stocker 8 are set to the vertical posture as shown in FIGS.
If the vehicle collides with a structure on the ground due to the height, it is moved to a required position in a horizontal posture as shown in FIG. 4 and then to a vertical posture. Then, as shown in FIGS. 5 to 7, the telescopic winch 17 is operated to extend the telescopic frame 6 downward toward the underground space, and at the same time, the conveyor extending hydraulic cylinder 16 and the belt extending hydraulic cylinder 29 are moved. The box conveyor finned belt conveyor 4 and the seal belt 7 are extended by operating.

In such a stretched state, the box-type finned belt conveyor 4 and the seal belt 7 are simultaneously circulated, and excavated earth and sand are charged into the charging chute 35. Is transported continuously to the ground while being prevented from dropping, is transferred to the unloading relay belt conveyor 36 on the ground, is then transferred from the dropping chute 39 to a truck or the like, and is discharged.

When the earth-lifting machine obstructs traffic on the ground, the telescopic frame 6 is pulled up and contracted by the telescopic winch 17, and the conveyor extending hydraulic cylinder 16 and the belt extending hydraulic cylinder 29 are retracted. When the belt conveyor 4 with box-type fins and the seal belt 7 are pulled up by operation, the earth-lifting machine immediately returns to the state shown in FIGS. 1 to 3 and FIG. 4. Can be removed immediately.

FIGS. 8 to 10 show another embodiment of the earth-moving machine according to the present invention. In addition to the construction of the above-described embodiment, protective covers 42, 4 such as nets are provided on the outer periphery of the telescopic frame 6 and the belt stocker 8.
3 is attached.

The traveling vehicle is not limited to a crawler, and the vertical belt conveyor is not limited to a box-type finned belt conveyor.

[0026]

According to the present invention, the vertical belt conveyor is supported so as to expand and contract with the expansion and contraction of the telescopic frame mounted on the traveling vehicle, and the preliminary extending portion of the vertical belt conveyor is stocked on the traveling vehicle. The installation of a conveyor stocker can greatly reduce the construction period and cost required for installation work and removal work at the site compared to the past, and installation and removal can be done at any time as needed, minimizing obstacles to traffic as much as possible. .

If the telescopic frame is reversible between a vertical position and a horizontal position with respect to the traveling vehicle, the telescopic frame can be moved to a lower position while avoiding obstacles.

It is safe to provide a protective cover on the telescopic frame.

[Brief description of the drawings]

FIG. 1 is a side view of an earthmoving machine according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a rear view of the above.

FIG. 4 is a side view when the telescopic frame and the belt stocker are in a horizontal position.

FIG. 5 is a side view showing a state in which the telescopic frame is extended.

FIG. 6 is a front view of the same.

FIG. 7 is a rear view of the same.

FIG. 8 is a side view of another embodiment.

FIG. 9 is a front view of the same.

FIG. 10 is a rear view of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crawler 2 Packing bed 3 Outrigger 4 Box conveyor with fins 4a Preliminary extension part 5 Conveyor stocker 6 Telescopic frame 6a Unit frame 7 Seal belt 7a Preliminary extension part 8 Belt stocker 9 Bearing 10 Rotating frame 10a Stopper 11 Fixed frame 11a Stopper 12 Hydraulic cylinder for reversing 13 Fixed pulley 14 Pulley carriage 15 Movable pulley 16 Conveyor extending hydraulic cylinder 17 Telescopic winch 18 Wire 19 ・ 20 Guide pulley 21 ・ 22 Tip guide pulley 23 Holding guide 24 Corner guide 25 ・ 26 Guide Pulley 27 Fixed side pulley 28 Movable side pulley 29 Hydraulic cylinder for belt extension 30 Guide pulley 31 ・ 32 Guide pulley 33 ・ 34 Guide pulley 35 Input chute 36 Conveyance relay belt conveyor 37 Tilt Frame 38 Hydraulic cylinder for changing angle 39 Dropping chute 40 Operator's cab 41 Power unit 42/43 Protective cover

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65G 21/14 B65G 21/14 D 41/00 41/00 C (72) Inventor Masataka Hirata Minato-ku, Tokyo 2-5-8 Kita-Aoyama Aoyama Kiko Co., Ltd. (72) Inventor Masao Ishida 1-1-10 Minato, Chuo-ku, Tokyo Inside Totec Co., Ltd. (72) Inventor Junichi Okamoto 1-Chome, Minato, Chuo-ku, Tokyo No. 10-1 F-term in Totec Co., Ltd. (reference) 3F023 AA01 AB02 BA01 BA09 BB06 BC04 BC08 EA04 3F025 AA01 AC05 AD11

Claims (6)

[Claims] An excavating machine for excavating a stretchable circulating vertical belt conveyor, wherein an extensible telescopic frame is mounted on a traveling carriage, and the vertical belt conveyor is mounted on the telescopic frame. And a conveyor stocker for supporting the pre-stretched portion of the vertical belt conveyor on a traveling carriage. The vertical belt conveyor is a box-type finned belt conveyor, and supports a seal belt circulating along the box-type finned belt conveyor so as to expand and contract with the expansion and contraction of the expandable frame. The earth-lifting machine according to claim 1, wherein a belt stocker for stocking the pre-stretched portion of the seal belt is provided on the traveling carriage. 3. The earth-moving machine according to claim 1, wherein the telescopic frame has a structure in which a plurality of unit frames are telescopically combined with each other in a telescopic manner. 4. The earth-lifting machine according to claim 1, wherein the telescopic frame is mounted so as to be reversible between a vertical position and a horizontal position with respect to the traveling vehicle. 5. The vehicle according to claim 1, wherein the traveling vehicle is a crawler.
The earth-lifting machine according to 3 or 4. 6. The earth-lifting machine according to claim 1, wherein a protective cover is provided on the telescopic frame.