JP2539726B2 - Backhoe - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to backhoes.

[0002]

2. Description of the Related Art A backhoe is an excavator of the same system as a power shovel of a civil excavation machine, and the backhoe is suitable for excavating the ground such as excavation of a building foundation or excavation of a trench for burial.

[0003]

By the way, when, for example, excavating a slope with a high slope by such a backhoe, the arm tip of the backhoe does not reach the slope due to the nature of the machine. There is. For this reason, a backhoe work scaffold is temporarily installed at the excavation work site, and the backhoe is placed on the scaffold to excavate the slope. Therefore, during this type of excavation work, it will be necessary to construct a scaffold on the site and to secure workers who will form a scaffold separately from the operator of the backhoe, and scaffolding temporary construction costs will increase to the excavation work cost. There are problems that the cost of excavation work rises, the efficiency of excavation work does not improve, and the construction period is prolonged.

[0004]

The present invention is a backhoe capable of advantageously performing the following work contents. (B) It is possible to easily excavate a high slope tip where the backhoe cannot bend and stretch. (B) Drainage gutters (drainages on the shoulders) can be easily excavated in small steps on the slope. (C) It is possible to easily excavate a small floor excavation for boundary anti-burial at the tip of the method. (D) It is possible to easily load the collapsed earth and sand etc. into a deep place. (E) It is possible to easily perform vibration compaction work of concrete and internal dismantling work of a house. (F) The rocks at the tip of the toe are hanging / narrow, making it impossible to install a backhoe, or deep rocks where there is no backhoe,
Concrete can be easily lifted / rocked on rocks / concrete where it is impossible for workers to get in / out, because there are obstacles / under bridges and obstacles. (G) It is possible to easily install and move small structures such as concrete blocks. (H) Materials such as concrete formwork that are difficult to carry by hand can be easily carried. More specifically, the present invention relates to a main unit that is generally composed of a crawler type traveling device, a turning operator room, an arm, etc., and a machine base, a bracket, an upper swing body, a radio control device or a remote control device for operating a child device, an arm. And an attachment and a slave unit that is more or less configured, and the tip of the arm of the master unit and the bracket of the slave unit are mutually attached by the connecting means to integrally configure the master unit and the slave unit. By providing a backhoe that is capable of excavating etc. by setting a multi-dimensional work range by interlocking operation of the child machine and operation unique to the child machine, the above (a) to (h) Can achieve the purpose.

[0005]

Next, the operation of the present invention will be described in detail. As described above, the present invention is a backhoe in which the child device B is connected to the tip portion 4a of the arm 4 of the parent device A, and the attachment 10 is attached to the tip portion 9a of the arm 9 of the child device B. Operates by receiving hydraulic pressure and electric power (power) from the master unit A. Further, the child device B is operated by the radio control device or the remote control device 8. FIG. 3 shows a construction example of excavating a high slope slope with the backhoe of the present invention. In this case, an operator is boarded in the turning operator room 3 of the master unit A, and the length and angle of the backhoe 1 are made to correspond to the tip of a high slope a by operating the operation system, and the entire backhoe 1 is swung to operate. Earth and sand bucket 11 attached to the tip 9a of the arm 9 of the machine B
(Attachment 10) makes it possible to excavate a slope tip with a high slope a, or a worker operates a radio control device or a remote control device 8 mounted on a slave device B by a worker at a construction site. B is independently swiveled, and the earth and sand bucket 11 (attachment 10) attached to the tip 9a of the arm 9 of the child machine B enables excavation of a slope with a high slope a. Conventionally, even if you try to excavate a slope with a high slope with a backhoe (single machine backhoe), this backhoe does not reach, so excavation by human power,
Alternatively, the backhoe was placed on a scaffold having a certain height for excavation. However, the construction example shown in Figure 3
Due to the high slope, it is possible to directly excavate the slope where the backhoe cannot reach.

FIG. 4 shows an example of construction of excavating a drainage gutter in a small step on a slope and an example of construction of excavating a small floor excavation for burying boundary piles at a slope tip according to the present invention. In this case, an operator gets on the turning operator room 3 of the base unit A and operates the operation system to make the length and angle of the backhoe 1 correspond to the small step b ₁ of the slope b and / or the purpose of burying the boundary pile at the slope tip. The drainage ditch d is excavated in the small step b ₁ of the slope b with the earth and sand bucket 11 (attachment 10) attached to the tip 9a of the arm 9 of the child device B by turning the entire backhoe 1 in correspondence with the location c / Alternatively, a small floor digging e is to be excavated at the boundary pile burying destination c at the tip of the slope, or at the construction site, the operator operates the radio control device or the remote control device 8 mounted on the slave device B to operate the slave device. B was independently pivoting operation, the drainage gutter d is drilled berms b ¹ of slope b by attachment rather sediment bucket 11 (the attachment 10) on the distal end portion 9a of the arm 9 of the slave unit B Or to allow drilling the toe of the boundary stakes buried object location c in drilling small floor boundary stakes buried e. Conventionally, when excavating drainage gutters on small slopes, the small backhoe single unit was lifted to small slopes by a truck crane, etc., and excavation work was carried out using earth and sand buckets, etc. Excavation work will be difficult on rough terrain. In addition, when the step width of the slope is narrow, it is possible to excavate only by relying on manual work, and even when excavating a small floor excavation for burying boundary piles at the tip of the slope, it must be done manually by the worker. I was excavating. However, in the construction example shown in FIG. 4, mechanization and safety of a method of excavating a drainage gutter in a small step on the slope and a method of excavating a small floor excavation for burying boundary piles at the tip of the slope are attempted.

FIG. 5 shows an example of use in which soil and the like that have fallen on the ground at a deep and distant place are loaded by the backhoe of the present invention. In this case, the turning operator room 3 of the base unit A
The operator boarded the vehicle, made the backhoe 1 correspond to the ground surface f by operating the operation system, and swung the entire backhoe 1 to move the tip 9a of the arm 9 of the handset B.
The earth and sand bucket 11 (attachment 10) attached to the equipment enables loading of the earth and sand f ^{1 and the} like that have fallen on the ground, or a field operator has a radio control device or a remote control device 8 mounted on the child device B. Is operated to rotate the handset B, and the earth and sand bucket 11 (attachment 10) attached to the tip portion 9a of the arm 9 of the handset B loads the collapsed earth and sand f ¹ onto the ground f at a deep and distant location. To enable. Conventionally, when carrying out the above-mentioned loading work, it depends on the operator's manual work, or a small backhoe (single machine) is hung on the ground, and the earth and sand are loaded on a wire mocco, etc. and lifted by a crane. It was However, in the usage example shown in FIG.
Does not require the use of cranes, etc. When the earth and sand bucket 11 (attachment 10) is attached to the tip portion 9a of the arm 9 of the child device B, excavation work in deep and narrow places and excavation of excavated earth and sand, which is impossible by the operation of the backhoe unit, are performed on the road. It is also possible to advantageously perform parallel water channel excavation, excavation in a place where a small backhoe cannot be set, excavation in a place such as soft soil that cannot be approached.

FIG. 6 shows an example of construction in which a hydraulic vibrator for concrete compaction as an attachment is attached to the tip of an arm of a child machine to perform concrete compaction. In this case, the operator boarded the turning operator room 3 of the base unit A, and by operating the operation system, the length and angle of the backhoe 1 were made to correspond to the concrete g, and the backhoe 1 as a whole was turned to operate, so that the handset B The hydraulic vibrator 12 for concrete compaction attached to the tip portion 9a of the arm 9 enables concrete g to be compacted, or a radio control device or a remote control device 8 mounted on the slave B by a site worker is installed. The child machine B is operated to rotate, and the concrete g can be compacted by the concrete compaction hydraulic vibrator 12 attached to the tip portion 9a of the arm 9 of the child machine B. Conventionally, when compacting concrete,
A worker stood on a scaffold, holding a concrete vibrator by hand and compacting the concrete. However, in the construction example shown in FIG. 6, the scaffolding was not necessary, and the work of compacting concrete could be greatly saved.

FIG. 7 shows an example of use in which a breaker as an attachment is attached to the tip of the arm of a child machine to enable the internal dismantling work of a house. In this case, the operator boarded the turning operator room 3 of the base A and operated the operation system to adjust the length of the backhoe 1.
The angle corresponds to the interior dismantling point h of the house and backhoe 1
The entire body is swung, and the tip 9a of the arm 9 of the child device B is moved.
The breaker 13 (attachment 10) attached to the housing allows the interior of the house to be dismantled, or a worker at the dismantling site operates the radio control device or the remote control device 8 mounted on the slave device B, and the slave device B
Is rotated, and the interior of the house can be dismantled by the breaker 13 attached to the tip 9a of the arm 9 of the child device B.
If a breaker as an attachment is attached to the tip of the arm of the cordless handset, the rock at the tip of the toe will be suspended / narrow, and the machine cannot be installed. Rocks and concrete can be suspended / etc. Where there is an obstacle underneath and there is no access.

Further, as shown in FIG. 8, the arm 9 of the child device B
Crane 1 as an attachment 10 at the tip 9a of the
4 can be attached to enable the small structure i to be installed or moved by a block or the like. Further, as shown in FIG. 9, when the workbench 15 as the attachment 10 is attached to the tip portion 9a of the arm 9 of the child device B, a mold frame,
It can also be used for materials and tools that are difficult to carry by human power, for transporting materials, and as a loading platform. Further, as shown in FIG. It is also possible for an operator to get on and operate the vehicle directly.

The backhoe 1 of the present invention comprises a master A and a slave B.
The main unit A is a crawler type traveling device 2,
The swivel operator chamber 3, the arm 4 and the like are roughly configured. The child machine B includes a machine base 5, a bracket 6, an upper swing body 7,
Radio control device or remote control device 8, arm 9 and attachment 10 for operating a child device
More generally, it is composed. Tip 4 of arm 4 of base unit A
a and the bracket 6 of the child device B are mutually connected by an appropriate connecting means, and the child device B receives hydraulic pressure and electric power (power) from the parent device A.
And the like, and the slave unit B is operated by the radio control device or the remote control device 8. In the figure, reference numeral 11 is a sand and sand bucket as the attachment 10, 12 is a hydraulic control compaction vibrator as the attachment 10, 13 is a breaker as the attachment 10, 14 is a crane as the attachment 10, and 15 is the attachment 10 Shows the workbench as.

[0012]

INDUSTRIAL APPLICABILITY As described above, the present invention is a backhoe having a structure in which a master unit and a slave unit are linked, and the backhoe can be operated by the interlocking operation of the master unit and the slave unit and the independent operation of the slave unit. Dimensional work range is set, multi-dimensional work contents corresponding to ground excavation, trench excavation, material loading, slope shaping, building foundation, etc. are facilitated and the work efficiency is improved. In addition, by attaching and detaching various attachments to the slave unit, it can be used for a wide range of applications. Furthermore, mechanization of the above work, safety, and reduction of work cost can be achieved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an entire backhoe according to the present invention.

FIG. 2 is a perspective view showing a slave unit that constitutes a backhoe according to the present invention.

FIG. 3 is an explanatory view showing a usage state of the backhoe according to the present invention.

FIG. 4 is an explanatory view showing a usage state of the backhoe according to the present invention.

FIG. 5 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

FIG. 6 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

FIG. 7 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

FIG. 8 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

FIG. 9 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

FIG. 10 is an explanatory diagram showing a usage state of the backhoe according to the present invention.

[Explanation of symbols]

A parent machine B child machine 1 backhoe 2 crawler type traveling device 3 swing operator room 4 arm 4a arm tip 5 machine stand 6 bracket 7 upper swing body 8 radio control device or remote control device 9 arm 10 attachment 11 earth and sand bucket (attachment ) 12 Concrete compactor hydraulic vibrator (attachment) 13 Breaker (attachment) 14 Crane (attachment) 15 Workbench (attachment)

Claims (1)

(57) [Claims] 1. A main unit, which is generally composed of a crawler type traveling device, a turning operator room, an arm, etc., and a machine stand, a bracket, an upper swing body, a radio control device or a remote control device for operating a child device, an arm, and It is equipped with an attachment and a child device that is more or less configured, and the tip of the arm of the parent device and the bracket of the child device are mutually attached by the connecting means to integrally configure the parent device and the child device. A backhoe that enables excavation by setting a multi-dimensional work range by interlocking operation of the machine and unique operation of the child machine.