Excavator construction warning device

Abstract

The utility model relates to the field of safety technology, in particular to an excavator construction warning device which comprises a detection box body, a mounting cavity is formed in the detection box body, a telescopic part is mounted in the mounting cavity, and a sensor used for detecting whether personnel or other machines invade in the working range of an excavator or not is mounted at the telescopic end of the telescopic part. And the telescopic end can drive the sensor to move into the mounting cavity or extend out of the mounting cavity. The excavator has the effect of reducing the possibility of safety accidents during operation of the excavator.

Description

Technical Field

[0001] The present application relates to the field of safety technology, and in particular to an excavator construction alarm device. Background Art

[0002] An excavator, also known as an excavating machine or a backhoe, is an earth-moving machine that uses a bucket to dig materials above or below the surface and load them into transport vehicles or unload them to a stockpile.

[0003] The boom of the excavator will rotate when it is working, and it is difficult for the excavator operator in the cab to detect whether there are people or other machines intruding into the excavation operation range, which can easily cause safety accidents during the production and construction process. Utility Model Content

[0004] In order to reduce the possibility of safety accidents occurring during the operation of an excavator, the present application provides an excavator construction alarm device.

[0005] The excavator construction alarm device provided in this application adopts the following technical solution:

[0006] An excavator construction alarm device includes a detection box body, an installation cavity is defined in the detection box body, a telescopic part is installed in the installation cavity, a sensor for detecting whether there is human or other mechanical intrusion within the operating range of the excavator is installed on the telescopic end of the telescopic part, and the telescopic end can drive the sensor to move into the installation cavity or extend from the installation cavity.

[0007] By adopting the above technical solution, when the excavator is working, the telescopic end of the telescopic member extends, which can drive the sensor to extend out of the installation cavity, and then the sensor can detect whether there is a person or other machinery intruding into the operating range of the excavator, and finally the detection result can be fed back to the cab, thereby reducing the possibility of safety accidents when the excavator is working. When the excavator is not working, the telescopic end of the telescopic member is retracted, which can drive the sensor to retract into the installation cavity, thereby protecting the sensor.

[0008] Optionally, the sensor is an ultrasonic sensor.

[0009] By adopting the above technical solution, the ultrasonic sensor can determine whether there are people or other machinery approaching the excavator by transmitting and receiving ultrasonic waves. It has a wide coverage range and high precision, and can effectively ensure the accuracy of detection.

[0010] Optionally, the sensor is an infrared sensor.

[0011] By adopting the above technical solution, the ultrasonic sensor can determine whether there are people or other machinery approaching the excavator by transmitting and receiving ultrasonic waves. The procurement cost is low and the implementation cost can be effectively reduced.

[0012] Optionally, the telescopic member is an electric telescopic rod.

[0013] By adopting the above technical solution, the electric telescopic rod can realize the telescopic control of the sensor only by powering on, without the need to use an oil cylinder or a pneumatic cylinder, which can effectively reduce the implementation volume of the alarm device.

[0014] Optionally, cleaning bristles are circumferentially arranged on the inner wall of the installation cavity near one end of the opening.

[0015] By adopting the above technical solution, when the sensor enters into the installation cavity or extends out from the installation cavity under the drive of the telescopic member, the cleaning bristles can clean the sensor, thereby ensuring the cleanliness of the sensor.

[0016] Optionally, a flexible baffle is provided at the opening of the installation cavity.

[0017] By adopting the above technical solution, the flexible baffle can block the opening of the installation cavity. When the sensor passes through the opening of the installation cavity, the flexible baffle can produce elastic deformation and open. The flexible baffle can effectively prevent external foreign matter from entering the installation cavity.

[0018] Optionally, the flexible baffle is made of rubber.

[0019] By adopting the above technical solution, the rubber material has good flexibility and acid and alkali resistance, which can effectively ensure that the flexible baffle maintains good elasticity and service life during long-term windy day racing.

[0020] Optionally, the telescopic member is connected to a controller, the controller is connected to a vibration sensor, and the vibration sensor is installed on the excavator.

[0021] By adopting the above technical solution, when the excavator is working, the vibration sensor can sense the vibration and feed it back to the controller, and then the controller can control the telescopic end to extend the sensor out of the installation cavity. When the excavator stops working, the vibration disappears, and then the telescopic end of the telescopic member can retract the sensor into the installation cavity.

[0022] To summarize, the present application includes the following beneficial technical effects: when the excavator is working, the sensor can detect whether there is any personnel or other machinery intruding into the operating range of the excavator, and the detection results are fed back to the cab, thereby reducing the possibility of safety accidents during the operation of the excavator. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional schematic diagram of the excavator construction alarm device in an embodiment of the present application.

[0024] Explanation of the reference numerals: 1. detection box body; 11. mounting cavity; 2. telescopic member; 3. sensor; 4. cleaning bristles; 5. flexible baffle. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1 This application is described in further detail.

[0026] The embodiment of the present application discloses an excavator construction alarm device.

[0027] Reference Figure 1 The excavator construction alarm device includes a detection box body 1, a telescopic member 2 and a sensor 3. The detection box body 1 is installed at the tail of the excavator, and a mounting cavity 11 is provided in the detection box body 1. The telescopic member 2 is fixedly connected to the bottom of the mounting cavity 11. The sensor 3 is arranged on the telescopic end of the telescopic member 2, and the sensor 3 can reciprocate under the telescopic movement of the telescopic end of the telescopic member 2, so that the sensor 3 is driven by the telescopic member 2 to move into the mounting cavity 11 or extend from the mounting cavity 11.

[0028] The sensor 3 is used to detect whether there is a person or other machinery intruding into the working range of the excavator, and then the sensor 3 can wirelessly transmit the detection result to the cab, so that the operator can know the surrounding situation of the excavator. The detection box body 1 is used to protect the telescopic member 2 and the sensor 3, and when the sensor 3 is located in the installation cavity 11, it will not be polluted by the outside. When the excavator is in working state, the sensor 3 extends from the installation cavity 11 to the outside of the detection box body 1.

[0029] In the embodiment of the present application, the sensor 3 is an ultrasonic sensor, which can determine whether a person or other machinery is close to the excavator by transmitting and receiving ultrasonic waves. In other embodiments, the sensor 3 can also be an infrared sensor.

[0030] In the embodiment of the present application, the telescopic member 2 is an electric telescopic rod. In other embodiments, the telescopic member 2 can also be a pneumatic telescopic rod.

[0031] Reference Figure 1 A cleaning bristle 4 is fixedly connected to the inner wall of the installation cavity 11 near the opening end along the circumferential direction. As the excavator is stopped and started, the sensor 3 can enter into the installation cavity 11 or extend from the installation cavity 11 under the drive of the telescopic part 2, and the cleaning bristle 4 can clean the sensor 3, thereby improving the cleanliness of the sensor 3.

[0032] At the same time, two flexible baffles 5 are fixedly connected to the opening of the installation cavity 11. The two flexible baffles 5 are respectively located on both sides of the opening of the installation cavity 11, and the ends are located in the middle of the installation cavity 11 and abut against each other to reduce the possibility of rainwater or impurities entering the installation cavity 11. In the embodiment of the present application, the flexible baffle 5 is made of rubber material, which has good flexibility and acid and alkali resistance, and can effectively ensure that the flexible baffle 5 maintains good elasticity and service life in long-term windy days. In other embodiments, the flexible baffle 5 can also be made of silicone material.

[0033] In an embodiment of the present application, the telescopic member 2 is electrically connected to a controller to control the timing extension and retraction of the telescopic member 2 through the controller. In other embodiments, the telescopic member 2 can also be electrically connected to a vibration sensor 3, and the vibration sensor 3 is installed on the body of the rear part of the excavator. When the vibration sensor 3 is used, as long as the excavator is started, the vibration sensor 3 can sense the vibration. The vibration sensor 3 can output an analog voltage signal, which is then compared with a reference voltage by a comparator. When the excavator body vibrates, the vibration sensor 3 outputs a high level, and the comparator outputs a high level, and then outputs it to the controller. The controller is a single-chip microcomputer, which controls the telescopic end to extend the sensor 3 out of the installation cavity 11 after receiving the high level signal. When the excavator stops working, the vibration disappears, and then the telescopic end of the telescopic member 2 can retract the sensor 3 into the installation cavity 11.

[0034] The implementation principle of the excavator construction alarm device of the embodiment of the present application is as follows: when the excavator is working, the telescopic end of the telescopic member 2 extends, thereby driving the sensor 3 to extend from the installation cavity 11, and then the sensor 3 can detect whether there is a person or other machinery intruding into the operating range of the excavator, and the detection result is fed back to the cab, thereby reducing the possibility of safety accidents when the excavator is working. When the excavator stops working, the telescopic end of the telescopic member 2 is retracted, thereby driving the sensor 3 to retract into the installation cavity 11 to protect the sensor 3.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An excavator construction alarm device, characterized in that: The invention comprises a detection box body (1), wherein a mounting cavity (11) is provided in the detection box body (1), a telescopic member (2) is installed in the mounting cavity (11), a sensor (3) for detecting whether there is an intrusion of a person or other machinery within the working range of an excavator is installed on the telescopic end of the telescopic member (2), and the telescopic end can drive the sensor (3) to move into the mounting cavity (11) or to extend from the mounting cavity (11).

2. The excavator construction alarm device according to claim 1, characterized in that: The sensor (3) is an ultrasonic sensor.

3. The excavator construction warning device according to claim 1, characterized in that: The sensor (3) is an infrared sensor.

4. The excavator construction warning device according to claim 1, characterized in that: The telescopic member (2) is an electric telescopic rod.

5. The excavator construction warning device according to claim 1, characterized in that: Cleaning bristles (4) are arranged along the circumference of the inner wall of the installation cavity (11) close to one end of the opening.

6. The excavator construction warning device according to claim 5, characterized in that: A flexible baffle (5) is provided at the opening of the installation cavity (11).

7. The excavator construction warning device according to claim 6, characterized in that: The flexible baffle (5) is made of rubber.

8. The excavator construction warning device according to claim 6, characterized in that: The telescopic member (2) is connected to a controller, the controller is connected to a vibration sensor, and the vibration sensor is installed on the excavator.

Images