JP3205723U - Attachment for construction machine and attachment system for construction machine - Google Patents

Abstract

The present invention provides an attachment for a construction machine and an attachment system for a construction machine that can completely eliminate wiring work up to the attachment and facilitate replacement. An attachment includes a receiver, a valve device, a drive unit, and a battery. The receiver 11 receives a radio signal from the transmitter and transmits a control signal for controlling the hydraulic circuit to the valve device 12. The drive unit 14 is connected to a hydraulic circuit and driven by hydraulic pressure. The valve device 12 controls the hydraulic circuit by a control signal. The battery 17 supplies power for driving the receiver 11 and the valve device 12. [Selection] Figure 1

Description

  The present invention relates to an attachment for a construction machine and an attachment system for a construction machine.

  Inventors have developed a device that can easily replace an attachment that is driven only by hydraulic pressure with an attachment that is driven by an electric signal in a construction machine, a forestry machine, or the like. That is, the operation means and the transmission means are provided inside the operation room, the electric signal from the operation means is transmitted wirelessly by the transmission means, and the electric signal from the transmission means is received by the reception transmission means provided outside the operation room. The information can be transmitted to the attachment (see, for example, Patent Document 1).

Utility Model Registration No. 3193120

  However, in the construction machine attachment of Patent Document 1, although electrical wiring from the operation room to the attachment is not necessary, there is a problem that wiring work is required to transmit an electrical signal from the reception transmission means to the attachment with a cable. there were.

  The present invention has been made paying attention to such a problem, and provides a construction machine attachment and a construction machine attachment system that can completely eliminate the wiring work up to the attachment and facilitate replacement. Objective.

  In order to achieve the above object, an attachment for a construction machine according to the present invention is an attachment for a construction machine in which a hydraulic circuit is controlled by a radio signal from a transmitter to drive a drive unit hydraulically, and includes a receiver and a valve. An apparatus, a drive unit, and a battery, wherein the receiver receives the radio signal and transmits a control signal for controlling the hydraulic circuit to the valve device, The hydraulic circuit is controlled by the control signal, the drive unit is connected to the hydraulic circuit and driven by hydraulic pressure, and the battery is a power source for driving the receiver and the valve device It has the structure which supplies this.

  Since the attachment for a construction machine according to the present invention is integrally provided with a receiver, a valve device, a drive unit, and a battery, the battery supplies power to the receiver and the valve device, and a radio signal from the transmitter is received. The drive unit can be driven by receiving the signal at the receiver and transmitting a control signal to the valve device to control the hydraulic circuit. As a result, the wiring work up to the attachment is completely eliminated, and the attachment driven by hydraulic pressure alone can be easily replaced.

  The attachment for a construction machine according to the present invention can be suitably used instead of the attachment driven only by hydraulic pressure. Moreover, you may use when replacing | attaching the attachment driven by an electrical signal with the other kind of attachment driven by an electrical signal. Wireless transmission between the transmitter and the receiver may use electromagnetic waves of any wavelength, but is preferably performed using infrared rays in order to prevent interference.

  In this specification, the construction machine is not limited to a machine only for construction, but includes various machines such as a civil engineering machine, a forestry machine, and a demolition machine. Further, the attachment may be anything such as a bucket, grapple, fork, or any movement. The construction machine attachment according to the present invention can be suitably used, for example, as a rental attachment.

The construction machine attachment according to the present invention preferably further includes a hydraulic power generator, and the hydraulic power generator is connected to the hydraulic circuit to generate power by hydraulic pressure and store in the battery.
In this case, even when the battery is exhausted, it can be stored in the battery by the hydraulic power generator, so that the trouble of charging the battery can be saved.

  An attachment system for a construction machine according to the present invention includes an attachment for a construction machine, an operation unit, and a transmitter, and the operation unit can generate an electric signal for driving the drive unit and transmit the electric signal to the transmitter. The transmitter is provided so as to be able to convert the electric signal from the operation means into a radio signal and transmit it.

  The attachment system for construction machines according to the present invention operates an operating means to transmit a radio signal from a transmitter, receives the signal by a receiver, transmits a control signal to a valve device, and controls a hydraulic circuit to control the construction machine. The drive unit of the attachment can be driven. As a result, the wiring work up to the attachment can be completely eliminated, and the replacement of the attachment can be facilitated. In the present invention, the operation means may be provided inside the operation room or may be portable with the transmitter.

  According to the present invention, it is possible to provide a construction machine attachment and a construction machine attachment system that can completely eliminate the wiring work up to the attachment and facilitate replacement.

BRIEF DESCRIPTION OF THE DRAWINGS It is the (A) side view of the construction machine provided with the attachment system for construction machines of embodiment of this invention, (B) The principal part enlarged front view. It is the (A) top view and (B) side view of the attachment for construction machines of embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show an embodiment of the present invention.
A construction machine 1 shown in FIG. 1A includes a vehicle main body 2 and a construction machine attachment system. The vehicle body 2 includes a diesel engine, a hydraulic pump, a hydraulic circuit, and arms 3, 4. The diesel engine is used as a power source, the hydraulic circuit is operated by a hydraulic pump, and traveling, turning and arm 3, using hydraulic pressure are performed. 4 and attachment operation.

  The construction machine attachment system includes construction machine attachments 5 and 6, operating means, and a transmitter. The operating means is provided so as to be able to generate an electrical signal for driving the drive portions of the construction machine attachments 5 and 6 and transmit it to the transmitter. The operation means can be attached to, for example, an operation lever inside the operation chamber 2a of the construction machine 1 and has an operation button. Each of the operation buttons can generate an electric signal by pushing in the left side or the right side.

  The transmitter is connected to a signal cable extending from the operation means so as to be able to receive an electric signal from the operation means. The transmitter can convert the electric signal from the operation means into a radio signal and transmit it. The transmitter is provided inside the operation room 2a so as to be attachable. The transmitter can be driven by a cigarette lighter inside the operation room 2a or a built-in battery.

  As shown in FIG. 1B, the construction machine attachment 5 is integrally provided with a receiver 11, a valve device 12, a winch 13, a drive unit 14, a hydraulic power generator 15, a charger 16, and a battery 17. Yes. The receiver 11 has a configuration that receives a radio signal from the transmitter and transmits a control signal for controlling the hydraulic circuit to the valve device 12.

  The valve device 12 includes a solenoid valve 12 a and a stack valve 12 b, and has a configuration for controlling the hydraulic circuit by a control signal from the receiver 11. Piping on the hydraulic pressure input side and hydraulic pressure return side and piping on the drive unit side are connected to the stack valve 12b. The attachment 5 can be operated by controlling the hydraulic circuit.

  The winch 13 is connected to a hydraulic circuit and can wind up the wire by hydraulic pressure. The drive unit 14 includes a blade connected to a hydraulic circuit and driven by hydraulic pressure, and is attached to the arm 3. The hydraulic power generator 15 is connected to a hydraulic circuit, generates power by hydraulic pressure, and stores in the battery 17 via the charger 16. The battery 17 has a configuration for supplying power to drive the receiver 11 and the valve device 12. The receiver 11, the valve device 12, the hydraulic power generator 15, the charger 16, and the battery 17 are housed inside the bracket 18 and are integrally attached to the drive unit 14.

  The construction machine attachment 6 includes a receiver 21, a valve device 22, a drive unit 24, a hydraulic generator 25, a charger 26, and a battery 27. The receiver 21 has a configuration that receives a radio signal from the transmitter and transmits a control signal for controlling the hydraulic circuit to the valve device 22.

  The valve device 22 includes a solenoid valve 22 a and a stack valve 22 b, and has a configuration for controlling a hydraulic circuit by a control signal from the receiver 21. Piping on the hydraulic pressure input side and hydraulic pressure return side and piping on the drive unit side are connected to the stack valve 22b. The attachment 6 can be operated by controlling the hydraulic circuit.

  The drive unit 24 is composed of a bucket or grapple connected to a hydraulic circuit and driven by hydraulic pressure, and is attached to the arm 4. A magnet 24 a is attached to the drive unit 24. The hydraulic power generator 25 is connected to a hydraulic circuit, generates power by hydraulic pressure, and stores in a battery 27 via a charger 26. The battery 27 has a configuration for supplying power to drive the receiver 21 and the valve device 22. The receiver 21, the valve device 22, the hydraulic power generator 25, the charger 26 and the battery 27 are housed inside the bracket 28 and attached to the base of the drive unit 24.

Next, the operation will be described.
The construction machine attachments 5 and 6 according to the embodiment of the present invention are integrally provided with the receivers 11 and 21, the valve devices 12 and 22, the drive units 14 and 24, and the batteries 17 and 27. , 27 supplies power to the receivers 11 and 21 and the valve devices 12 and 24, operates the operation means to transmit a radio signal from the transmitter, receives the radio signal by the receivers 11 and 21, and receives the control signal. The drive units 14 and 24 can be driven by transmitting to the valve devices 12 and 22 and controlling the hydraulic circuit.

  The construction machine attachments 5 and 6 can be used by being attached to the vehicle body 2 simply by being attached to the arms 3 and 4 and connected to the hydraulic circuit. For this reason, wiring work to the attachments 5 and 6 can be completely eliminated, and the attachment driven by hydraulic pressure alone can be easily replaced. Since the receivers 11 and 21, the valve devices 12 and 22, the drive units 14 and 24, and the batteries 17 and 27 are integrally provided, the receiver and the battery are individually prepared when replacing the attachment. Stock management is easy. The construction machine attachments 5 and 6 can be suitably used as, for example, a rental attachment.

  Since the construction machine attachments 5 and 6 further include the hydraulic generators 15 and 25 and the chargers 16 and 26 integrally, even when the batteries 17 and 27 are consumed, the hydraulic generators 15 and 25 and the chargers are provided. 16 and 26 can be stored in the batteries 17 and 27. For this reason, the trouble of battery charging can be saved, and the work can be continued without interruption even at a construction site where the battery cannot be charged.

DESCRIPTION OF SYMBOLS 1 Construction machine 2 Vehicle main body 2a Operation room 3, 4 Arm 5, 6 Construction machine attachment 11, 21 Receiver 12, 22 Valve device 12a, 22a Solenoid valve 12b, 22b Stack valve 13 Winch 14, 24 Drive part 24a Magnet 15 , 25 Hydraulic generator 16, 26 Battery charger 17, 27 Battery 18, 28 Bracket

Claims (3)

An attachment for a construction machine that controls a hydraulic circuit with a radio signal from a transmitter and drives a drive unit with hydraulic pressure,
A receiver, a valve device, a drive unit and a battery are integrally provided.
The receiver has a configuration for receiving the radio signal and transmitting a control signal for controlling the hydraulic circuit to the valve device;
The valve device has a configuration for controlling the hydraulic circuit by the control signal,
The drive unit is connected to the hydraulic circuit and driven by hydraulic pressure,
The battery has a configuration for supplying power to drive the receiver and the valve device.
A featured attachment for construction machinery. In addition, a hydraulic generator is integrated with
The hydraulic generator is connected to the hydraulic circuit and has a configuration in which power is generated by hydraulic pressure and stored in the battery.
The construction machine attachment according to claim 1, wherein: A construction machine attachment according to claim 1 or 2, an operation means, and a transmitter.
The operating means is provided so as to generate an electric signal for driving the driving unit and transmit the electric signal to the transmitter,
The transmitter is provided so as to be able to convert the electric signal from the operation means into a radio signal and transmit it.
A featured attachment system for construction machinery.