CN210795561U

CN210795561U - Landing leg warning device and crane

Info

Publication number: CN210795561U
Application number: CN201921850495.1U
Authority: CN
Inventors: 刘杰; 邓连喜
Original assignee: Sany Automobile Hoisting Machinery Co Ltd
Current assignee: Sany Automobile Hoisting Machinery Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-19
Anticipated expiration: 2029-10-30

Abstract

The utility model provides a landing leg warning device and hoist belongs to engineering machine tool and makes technical field. On landing leg warning device was applied to engineering machine tool's landing leg, including controller, sound generating mechanism and set up the warning light on the landing leg, controller and engineering machine tool's landing leg controlling means signal connection, sound generating mechanism and warning light respectively with controller signal connection, the controller is used for receiving the operating signal that landing leg controlling means sent to control warning light and sound generating mechanism and open. The crane comprises the supporting leg warning device. An object of the utility model is to provide a landing leg warning device and hoist, at the landing leg lift in-process of hoist, can warn the peripheral people or animal of hoist through landing leg warning device to arouse people or animal's attention, reduce the potential safety hazard.

Description

Landing leg warning device and crane

Technical Field

The utility model relates to an engineering machine tool makes technical field, particularly, relates to a landing leg warning device and hoist.

Background

The crane can vertically lift and horizontally carry heavy objects within a certain range. Off-road cranes typically use tires as the running gear in order to be able to have better maneuverability. And because the bearing capacity of tire is relatively poor, can't satisfy the demand of the great object of hoisting weight, consequently cross country crane is provided with the landing leg of liftable usually in order to support the operation platform of hoist to improve the bearing capacity of hoist.

The driver's cabin and the control chamber of hoist share same space usually, therefore the button that the control landing leg goes up and down is located the control chamber, and at the in-process that the landing leg goes up and down, operating personnel exists certain blind area to the position that the landing leg goes up and down in the control chamber, and the human or animal that is being close to the landing leg that is in the lift process is difficult for noticing, causes the injury to peripheral human or animal easily, exists certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landing leg warning device and hoist, at the landing leg lift in-process of hoist, can warn the peripheral people or animal of hoist through landing leg warning device to arouse people or animal's attention, reduce the potential safety hazard.

The embodiment of the utility model is realized like this:

the utility model discloses an aspect provides a landing leg warning device, is applied to engineering machine tool's landing leg on, include: the controller is in signal connection with a supporting leg control device of the engineering machinery, the sound generating device and the warning lamp are in signal connection with the controller respectively, and the controller is used for receiving working signals sent by the supporting leg control device to control the warning lamp and the sound generating device to be started.

Optionally, the leg warning device further comprises a motion sensor arranged on the leg, the motion sensor is in signal connection with the controller, the motion sensor is used for sensing the motion state of the leg, and the controller is further used for controlling the warning lamp and the sounding device to be turned off according to signals of the motion sensor.

Optionally, the sound generating device is a driving horn of the engineering machinery, and a control switch of the driving horn is in signal connection with the controller.

Optionally, the sounding device is a buzzer, and a switch of the buzzer is in signal connection with the controller.

Optionally, the sound generating device is an audio player, the audio player is preset with a warning audio file, and a play switch of the audio player is in signal connection with the controller.

Optionally, the sound generating device comprises an ultrasonic generator and a transducer connected to each other, the ultrasonic generator being in signal connection with the controller.

Optionally, the warning light is a light emitting diode strip.

Optionally, the led strip is a flexible strip, and the flexible strip is wound around the support leg along the circumferential direction of the support leg.

Optionally, the warning light has a plurality ofly, and a plurality of warning lights evenly distributed is in the side of landing leg.

The utility model discloses another aspect of the embodiment provides a crane, include: the leg warning device of any one of the above.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a pair of landing leg warning device is applied to engineering machine tool's landing leg usually on. The supporting leg warning device comprises a controller, a sound generating device and warning lamps arranged on the supporting legs. The sounding device and the warning lamp are respectively in signal connection with the controller, and the controller is further in signal connection with a supporting leg control device of the engineering machinery. The supporting leg control device of the engineering machinery sends out working signals to control the supporting leg to descend or ascend, the controller can simultaneously receive the working signals sent by the supporting leg control device and responds to the working signals to send out control signals to control the warning lamp and the sound generating device which are in signal connection with the warning lamp and the sound generating device to be started, and the warning lamp and the sound generating device can be started simultaneously along with descending or ascending of the supporting leg of the engineering machinery. The light through the warning light and the sound that sound generating mechanism sent can play the warning effect to the peripheral people or animal of engineering machine tool, warn people or animal and keep away from this engineering machine tool's landing leg to reduce the landing leg and cause the risk of harm to peripheral people or animal at the lift in-process, reduce the potential safety hazard. And because the signal that is used for the response that the controller received is the same with the working signal of landing leg controlling means control landing leg, consequently can realize that warning light and sound generating mechanism open automatically when the lift of landing leg begins, avoid operating personnel to forget to open warning light and sound generating mechanism and can't play the condition emergence of warning effect.

The embodiment of the utility model provides a pair of hoist adopts foretell landing leg warning device, can warn the peripheral people or animal of hoist to arouse people or animal's attention, reduce the potential safety hazard.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a leg warning device according to an embodiment of the present invention;

fig. 2 is a second schematic structural view of a leg warning device according to an embodiment of the present invention;

fig. 3 is a third schematic structural view of a leg warning device according to an embodiment of the present invention;

fig. 4 is a fourth schematic structural view of the leg warning device according to the embodiment of the present invention.

Icon: 110-a controller; 120-a sound-emitting device; 121-an ultrasonic generator; 122-a transducer; 130-warning light; 140-a motion sensor; 200-support leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the utility model provides a landing leg warning device is applied to on engineering machine's landing leg, as shown in fig. 1, include: the control device comprises a controller 110, a sound generating device 120 and a warning light 130 arranged on a supporting leg 200, wherein the controller 110 is in signal connection with a supporting leg control device (not shown in the drawing) of the engineering machine, the sound generating device 120 and the warning light 130 are in signal connection with the controller 110 respectively, and the controller 110 is used for receiving a working signal sent by the supporting leg control device so as to control the warning light 130 and the sound generating device 120 to be turned on.

First, the normal warning Light 130 may be an LED (Light-emitting diode) lamp body having a built-in driving chip, and may be driven by the driving chip to blink at a certain frequency in an on state. The light flickering through the warning light 130 can enhance the warning effect on people or animals around. Moreover, the color of the light emitted from the warning light 130 can be set to red, yellow, or other colors with better warning effect, so as to enhance the warning effect of the warning light 130 on surrounding people or animals. Of course, in the embodiment of the present invention, whether the light color of the warning light 130, the specific type of the light emitting device of the warning light 130 and the warning light 130 can flash can be set according to the specific requirements of the technical personnel in the field, and the embodiment of the present invention is not limited herein as long as the light emitting of the warning light 130 can play a warning role for the surrounding human or animal.

Second, the controller 110 of the leg warning device may be a sub-module (part of) in a leg control device of the construction machine; or may be a separate control device.

Third, the sound emitted by the sound emitting device 120 of the leg warning device may be a high-frequency audible sound (a sound having a frequency range within the range of human hearing); or ultrasonic waves with higher frequency can be used to warn animals with wider hearing range through the ultrasonic waves, and the ultrasonic waves are not heard by people to reduce noise pollution to the surrounding environment. Of course, in practical applications, the sound generated by the sound generating device 120 may also be set to a specific audio frequency according to the actual needs of those skilled in the art, and the present invention is not limited herein as long as the warning effect can be provided for people or animals around.

The embodiment of the utility model provides a pair of landing leg warning device is applied to engineering machine tool's landing leg 200 usually on. The leg warning device includes a controller 110, a sound generating device 120, and a warning light 130 disposed on the leg 200. The sound generating device 120 and the warning light 130 are respectively in signal connection with the controller 110, and the controller 110 is further in signal connection with a leg control device of the engineering machine. When the landing leg control device of the engineering machine sends out a working signal to control the landing leg 200 to descend or ascend, the controller 110 can simultaneously receive the working signal sent by the landing leg control device, and responds to the working signal to send out a control signal to control the warning lamp 130 and the sound generating device 120 connected with the control signal to be turned on, so that the warning lamp 130 and the sound generating device 120 can be turned on simultaneously along with the descending or ascending of the landing leg 200 of the engineering machine. The light through warning light 130 and the sound that sound generating mechanism 120 sent can play the warning effect to the peripheral people or animal of engineering machine, warn people or animal and keep away from this engineering machine's landing leg 200 to reduce landing leg 200 and cause the risk of harm, reduce the potential safety hazard to peripheral people or animal in the lift in-process. In addition, since the signal received by the controller 110 for responding is the same as the operating signal of the leg control device controlling the leg 200, the warning light 130 and the sound generating device 120 can be automatically turned on when the leg 200 starts to ascend or descend, and the situation that the warning light 130 and the sound generating device 120 are forgotten to be turned on by an operator and cannot play a warning role is avoided.

Optionally, as shown in fig. 2, the leg warning device further includes a motion sensor 140 disposed on the leg 200, the motion sensor 140 is in signal connection with the controller 110, the motion sensor 140 is configured to sense a motion state of the leg 200, and the controller 110 is further configured to control the warning light 130 and the sound generating device 120 to turn off according to a signal of the motion sensor 140.

The motion sensor 140 is arranged on the supporting leg 200, the motion state of the supporting leg 200 can be sensed through the motion sensor 140, a signal can be sent to the controller 110 when the supporting leg 200 is sensed to be in motion (namely, the supporting leg 200 is in the process of descending or rising), the controller 110 processes the signal sent by the motion sensor 140 after receiving the signal, if the controller 110 cannot receive the signal of the motion sensor 140, the controller 110 controls the warning lamp 130 and the sound generating device 120 to be turned off, so that the warning lamp 130 and the sound generating device 120 are automatically turned off after the supporting leg 200 is completely descended or is completely lifted, and the intelligent degree of the supporting leg warning device is improved.

Optionally, the sound generating device 120 is a horn of the engineering machine, and a control switch of the horn is in signal connection with the controller 110.

The traffic horn of the engineering machinery is used as the sound generating device 120 of the supporting leg warning device, and the controller 110 controls the traffic horn to sound in the lifting process of the supporting leg 200 so as to warn people or animals around. In practical application, the controller 110 is connected with the control switch signal of the horn of the traveling crane, so that the additional arrangement of the sound generating device 120 can be omitted, and the cost of the engineering machinery for arranging the landing leg warning device is reduced.

Alternatively, the sound emitting device 120 is a buzzer, and a switch of the buzzer is in signal connection with the controller 110.

The sounding device 120 is set as a buzzer, the buzzer can emit sound with high loudness and high frequency, the buzzer is generally used as an alarm sound of a dangerous place, and the danger represented by the emitted sound and the alarm meaning are relatively familiar to people, so that the sounding device 120 of the landing leg alarm device is set as the buzzer, and the alarm effect on surrounding people can be improved.

Optionally, the sound generating device 120 is an audio player, the audio player is preset with an alert audio file, and a play switch of the audio player is in signal connection with the controller 110.

The warning audio file preset by the audio player can be an audio file containing warning prompt tones and prompts, for example, the prompts can be voice segments which can prompt surrounding people for danger such as 'notice of leg lifting and do not approach'. Of course, the specific content of the prompt tone or the prompt language of the audio file is not limited here, and the dangerous prompt and warning functions can be achieved.

Alternatively, as shown in fig. 3, the sound generating device 120 comprises an ultrasonic generator 121 and a transducer 122 connected with each other, and the ultrasonic generator 121 is in signal connection with the controller 110.

The sound production device 120 is provided with the ultrasonic generator 121 and the transducer 122 which are connected with each other, the transducer 122 is driven by the ultrasonic generator 121, the transducer 122 can emit ultrasonic waves with a certain frequency, the warning effect can be achieved on surrounding animals by the ultrasonic waves (the hearing range of common animals is usually larger than that of human ears), the sound cannot be heard by people, the noise pollution to the surrounding environment can be reduced, and the interference generated by the operation of an operator can be reduced.

Optionally, as shown in fig. 1, the warning light 130 is a light emitting diode strip.

Set up warning light 130 into emitting diode lamp area (LED lamp area), its volume is less is convenient for set up to have higher luminance, can produce better warning effect.

Optionally, as shown in fig. 1, the led strip is a flexible strip, and the flexible strip is disposed around the leg 200 along a circumferential direction of the leg 200.

Set up emitting diode into flexible light strip, with flexible light strip around establishing on landing leg 200, can make the illumination of light relatively even around landing leg 200 to improve warning light 130 light-emitting scope, reduce the unable dead angle that shines that appears around landing leg 200 of light of warning light 130.

Alternatively, as shown in fig. 4, the warning light 130 is provided in plurality, and the plurality of warning lights 130 are uniformly distributed on the side surface of the leg 200.

Set up warning light 130 into a plurality ofly, through the irradiation range of the further increase warning light 130 of a plurality of warning lights 130, improve this landing leg warning device's warning scope.

This hoist adopts foretell landing leg warning device, can warn peripheral people or animal of hoist to arouse people or animal's attention, reduce the potential safety hazard.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a landing leg warning device, is applied to on engineering machine's the landing leg, its characterized in that includes: controller, sound generating mechanism and set up in warning light on the landing leg, controller and engineering machine's landing leg controlling means signal connection, sound generating mechanism and the warning light respectively with controller signal connection, the controller is used for receiving the working signal that landing leg controlling means sent, with control the warning light with sound generating mechanism opens.

2. The leg warning device according to claim 1, further comprising a motion sensor disposed on the leg, wherein the motion sensor is in signal connection with the controller, the motion sensor is configured to sense a motion state of the leg, and the controller is further configured to control the warning light and the sound generating device to turn off according to a signal of the motion sensor.

3. The leg warning device according to claim 1, wherein the sound generating device is a horn of the construction machine, and a control switch of the horn is in signal connection with the controller.

4. The leg warning device as claimed in claim 1, wherein the sound-generating device is a buzzer, and a switch of the buzzer is in signal connection with the controller.

5. The leg warning device as claimed in claim 1, wherein the sound generating device is an audio player, the audio player is preset with a warning audio file, and a play switch of the audio player is in signal connection with the controller.

6. The leg warning device of claim 1, wherein the sound generator comprises an ultrasonic generator and a transducer connected to each other, the ultrasonic generator being in signal communication with the controller.

7. The leg warning device of claim 1, wherein the warning light is a light emitting diode strip.

8. The leg warning device according to claim 7, wherein the led strip is a flexible strip, and the flexible strip is wound around the leg along a circumference of the leg.

9. The leg warning device as claimed in claim 1, wherein the warning light is provided in plurality, and the plurality of warning lights are uniformly distributed on the side surface of the leg.

10. A crane comprising a leg warning device as claimed in any one of claims 1 to 9.