CN212532055U - Electric power lifts by crane operation safety warning device - Google Patents

Abstract

The utility model belongs to electric power construction safety warning device, concretely relates to electric power lifts by crane operation safety warning device. Comprises a crane body, the crane body comprises a lifting mechanism, a running mechanism, a luffing mechanism and a swing mechanism, the luffing mechanism comprises a suspension arm, one end of the suspension arm is arranged on the running mechanism through a hydraulic system, the other end of the suspension arm is connected with the lifting mechanism, the hydraulic system comprises a hydraulic electromagnetic valve, the top of the suspension arm is provided with a detector, the running mechanism is provided with a background terminal controller and a distance measuring module, the camera module is connected with the detector controller and respectively transmits measured distance data between the camera module and the obstacle and shot camera data of the obstacle to the detector controller, the background terminal comprises a background terminal controller and a wireless receiving module, the wireless receiving module receives the data sent by the wireless transmitting module and sends the data to the background terminal controller, and the background terminal controller is further electrically connected with the hydraulic system battery valve, the display screen module and the alarm module.

Description

Electric power lifts by crane operation safety warning device

Technical Field

The utility model belongs to electric power construction safety warning device, concretely relates to electric power lifts by crane operation safety warning device.

Background

The transformer substation is lifted, the working voltage is high, the working site is small, the distance from the electrified part is short, and accidents are easily caused. Particularly, when the construction is performed at the adjacent interval of the charged portion and below the charged portion, it is required to maintain a safe distance depending on the voltage level without directly contacting the charged object. The safety distance is not easy to master when the crane is lifted at high altitude, and effective shielding measures cannot be taken usually, so that great potential safety hazards exist.

The lifting warning equipment in the prior art generally aims at reminding ground walking personnel to pay attention, so that safety accidents are avoided; for the lifting operation in the transformer substation, not only the ground walking personnel need to be warned, but also the safety distance of obstacles such as power cables and the like needs to be kept.

Patent document with publication number CN206872302U discloses a safety warning device for a workshop moving lifting device, which is characterized by comprising a warning lamp, a range finder, a control system and a base fixedly mounted on the side surface of a beam of an overhead crane, wherein the range finder is fixedly mounted on the base, a warning lamp angle adjusting mechanism is fixedly arranged on the base, the warning lamp angle adjusting mechanism comprises a first stepping motor and a second stepping motor, the first stepping motor is fixedly mounted on the base, the second stepping motor is fixedly connected with a driving shaft of the first stepping motor, the warning lamp is fixedly connected with a driving shaft of the second stepping motor, the driving shaft of the first stepping motor is perpendicular to the driving shaft of the second stepping motor, and the first stepping motor, the second stepping motor, the warning lamp and the range finder are respectively and electrically connected with the control system; the lifting appliance has the advantages that when the lifting appliance works, the warning projection can be sent out through the warning lamp to remind personnel in a workshop to pay attention, so that safety accidents are avoided; and the warning projection sent by the warning lamp can be ensured to be positioned in front of the lifted object in real time, and the safety warning device of the lifting equipment cannot meet the safety warning requirement in the electric power construction process.

Disclosure of Invention

An object of the utility model is to provide an electric power lifts by crane operation safety warning device to the problem that exists among the prior art, the transformer substation that the device can control high altitude construction district scope lifts by crane operation safety protection and reports to the police, can effectively carry out real-time high altitude construction district within range monitoring warning to the border-crossing condition of equipment, guarantees construction safety.

The technical scheme of the utility model is that:

the electric hoisting operation safety warning device comprises a crane body, wherein the crane body comprises a lifting mechanism for lifting an object, a running mechanism for longitudinally and horizontally transporting a heavy object or adjusting the working position of the crane body, an amplitude variation mechanism for adjusting the lifting mechanism, a swing mechanism for controlling the lifting mechanism to swing and a suspension arm, one end of the suspension arm is arranged on the running mechanism through a hydraulic system, the other end of the suspension arm is connected with the lifting mechanism, the hydraulic system comprises a hydraulic electromagnetic valve for controlling and adjusting the pressure, flow and direction of liquid, and the electric hoisting operation safety warning device is characterized in that a detector is arranged at the top of the suspension arm, a background terminal controller is arranged on the running mechanism, the detector comprises a distance measuring module, a camera module, a detector controller and a wireless transmitting module, and the distance measuring module, the camera module and the detector controller are connected with one another and respectively measure distance data between the distance measuring module and an obstacle, The camera shooting data of the shot obstacles are transmitted to the detector controller, the detector controller sends the received data to the background terminal through the wireless transmitting module, the background terminal comprises a background terminal controller and a wireless receiving module, the wireless receiving module receives the data sent by the wireless transmitting module and sends the data to the background terminal controller, and the background terminal controller is electrically connected with the hydraulic system battery valve, the display screen module and the alarm module.

Specifically, the running mechanism comprises a truck chassis, the truck chassis comprises a driving control room, and the display screen module and the alarm module are both arranged in the driving control room.

Specifically, the alarm module comprises a buzzer alarm, and the buzzer alarm is electrically connected with the background terminal controller.

Specifically, the detector comprises a detector body, a shell, a magnetic element arranged on the inner side of the bottom of the shell, and an anti-sliding damping element arranged on the outer side of the bottom of the shell.

Specifically, the magnetic element is a magnet arranged on the inner side of the bottom of the shell.

Specifically, the anti-sliding damping element is a soft material veneer arranged on the outer side of the bottom of the shell.

Specifically, the background terminal controller is a PLC controller.

The utility model has the advantages that: this electric power lifts by crane operation safety warning device adopts high altitude range finding to survey and high altitude to make a video recording and carry out information acquisition, can set up the detector at several key points of crane davit top department according to particular case when the field usage, the sensing is with the distance of barrier or electric power cable, can set up safe distance in the PLC controller in advance, be 6 meters if 220KV safe distance, just begin to report to the police in advance when safe distance is 9 meters, and report the distance, strengthen during 8 meters, 7 meters alarm intensity is higher, 6 meters report to the police acutely and remind the requirement to get back to in the safe range, the utility model discloses be provided with the magnetic material adsorbable at the optional position of iron material bottom the detector, the installation is shifted and is torn the convenience. The utility model provides a this electric power lifts by crane operation safety warning device simple structure, convenient to use, the working range of control jack-up operation that can be fine carries out data transmission through wireless transmission and lifts by crane commander and lifting by crane operating personnel with the signal transmission, and existing voice prompt has video display again. The utility model provides a setting can provide alarm information for the staff, for lifting by crane work provides the foundation, makes the staff work in safe interval all the time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic block diagram of a detector;

fig. 3 is a schematic block diagram of the backend terminal.

1 background terminal controller, 2 detector controller, 3 barrier.

Detailed Description

The following detailed description of the present invention will be provided with reference to the accompanying drawings and the detailed description thereof.

Example 1

As shown in fig. 1, the electric hoisting operation safety warning device provided in this embodiment includes a crane body, where the crane body includes a lifting mechanism for lifting an object, a running mechanism for longitudinally and horizontally moving a heavy object or adjusting a working position of the crane body, a luffing mechanism for adjusting the lifting mechanism, and a swing mechanism for controlling the lifting mechanism to swing, where the luffing mechanism includes a boom, one end of the boom is disposed on the running mechanism through a hydraulic system, the other end of the boom is connected to the lifting mechanism, and the hydraulic system includes a hydraulic solenoid valve for controlling and adjusting pressure, flow rate, and direction of a liquid. The top of the suspension arm is provided with a detector 2, the running mechanism is provided with a background terminal controller 1, the detector comprises a distance measuring module, a camera module, a detector controller and a wireless transmitting module, the distance measuring module, the camera module and the detector controller are connected to respectively transmit measured distance data between the detector and an obstacle and shot camera data of the obstacle to the detector controller, the detector controller transmits the received data to the background terminal through the wireless transmitting module, the background terminal comprises the background terminal controller 1 and a wireless receiving module, the wireless receiving module receives the data transmitted by the wireless transmitting module and transmits the data to the background terminal controller 1, the background terminal controller 1 is also electrically connected with a battery valve of a hydraulic system, a display screen module and an alarm module to transmit instructions, the background terminal controller 1 is a PLC controller.

The running gear truck chassis that this embodiment provided is full gyration hydraulic pressure and controls. The truck chassis comprises a driving control room, and the display screen module and the alarm module are both arranged in the driving control room. When the crane is shifted from a running state to crane operation, the power of an automobile engine is transmitted to the gear pump through the power takeoff device after the power takeoff control lever is operated in the chassis driving control chamber to enable the power takeoff device to be jointed, the gear pump works, and pressure oil generated by the gear pump drives the slewing mechanism to rotate, change the amplitude and stretch the mechanism and the lifting mechanism to work through the hydraulic system.

The hoisting mechanism that this embodiment provided comprises hydraulic motor, cylindrical gear, reduction gear, stopper, reel, wire rope, lifting hook etc.. The brake is a normally closed friction plate dry brake, the control of which is realized by a brake oil cylinder, and the heavy object can be stably stopped without sliding down at any position in the hoisting process. A balance valve is arranged in a hydraulic loop of the hoisting mechanism and used for controlling the descending speed of the heavy object.

The slewing mechanism consists of a hydraulic motor, a worm and worm gear reducer, a slewing bearing and the like. When the rotary mechanism works, pressure oil is supplied by the gear pump, the rotary mechanism is driven by the quantitative motor, and positive and negative rotation can be realized by controlling the rotary distribution valve.

The amplitude-changing mechanism is composed of a suspension arm, a rotary table and a double-acting oil cylinder which is arranged in a forward inclining mode, the amplitude-changing action of the amplitude-changing mechanism is realized through the stretching and the contracting of the double-acting oil cylinder, and the amplitude-changing mechanism is used for changing the elevation angle of the suspension arm, so that the distance (namely the amplitude) between the lifting hook and the upper vehicle rotation center is changed.

The alarm module comprises a buzzer alarm, and the buzzer alarm is electrically connected with the background terminal controller 1.

When the device is used on site, detectors placed at different angles can be arranged at several key points at the top end of the crane boom according to specific conditions, the distance between the device and an obstacle or a power cable is sensed, the safety distance can be set in advance in the PLC controller, for example, the safety distance of 220KV is 6 m, the system starts to give an alarm in advance when the safety distance is 9 meters, the distance is reported, the alarm intensity is higher when the safety distance is 8 meters, the alarm intensity is higher when the safety distance is 7 meters, the alarm intensity is higher when the safety distance is 6 meters, the requirement is reminded to return to the safety range, the system can effectively monitor the high-altitude operation area in real time aiming at the out-of-range condition of the equipment through the distance measuring module and the camera module, the PLC controller is used for judging and sending out an alarm signal, and the buzzer alarm and the display module are used for carrying out sound prompt alarm and data display, meanwhile, a command of stopping the action can be given to a hydraulic control valve of the hydraulic system, and the construction safety is further ensured.

Example 2

The present embodiment is different from embodiment 1 in that: the detector comprises a detector body, a shell, a magnetic element arranged on the inner side of the bottom of the shell and an anti-sliding damping element arranged on the outer side of the bottom of the shell. The magnetic element is a magnet arranged on the inner side of the bottom of the shell, and the anti-sliding damping element is a soft material veneer arranged on the outer side of the bottom of the shell. The detector can be adsorbed at any position of the iron material due to the arrangement, the installation, the disassembly and the displacement are convenient, and the accurate measurement is further ensured.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (7)

1. The utility model provides an electric power lifts by crane operation safety warning device, includes the crane body, this crane body is including the hoist mechanism that is used for promoting the object, for the running gear of vertical horizontal migration heavy object or adjustment crane body operating position, the luffing mechanism that is used for adjusting hoist mechanism, the rotation mechanism that is used for controlling hoist mechanism gyration, still includes the davit, davit one end pass through hydraulic system and set up on the running gear, the davit other end connect hoist mechanism, hydraulic system including the hydraulic pressure solenoid valve of pressure, flow and the direction of control and regulation liquid, its characterized in that, davit top be provided with detector (2), the running gear on be provided with backstage terminal controller (1), the detector include ranging module, camera module, detector controller and wireless transmitting module, ranging module, The camera module is connected with the detector controller and respectively transmits measured distance data between the camera module and the barrier and shot camera data of the barrier to the detector controller, the detector controller sends the received data to the background terminal through the wireless transmitting module, the background terminal comprises a background terminal controller (1) and a wireless receiving module, the wireless receiving module receives the data sent by the wireless transmitting module and sends the data to the background terminal controller (1), and the background terminal controller (1) is electrically connected with the battery valve of the hydraulic system, the display screen module and the alarm module.

2. The electric power lifting operation safety warning device of claim 1, wherein the operating mechanism comprises a truck chassis, the truck chassis comprises a cab, and the display screen module and the alarm module are both arranged in the cab.

3. The electric power lifting operation safety warning device according to claim 1, wherein the alarm module comprises a buzzer alarm, and the buzzer alarm is electrically connected with the background terminal controller (1).

4. The electric power lifting operation safety warning device of claim 1, wherein the detector comprises a detector body, a housing, a magnetic element arranged on the inner side of the bottom of the housing, and an anti-slip damping element arranged on the outer side of the bottom of the housing.

5. The electric power lifting operation safety warning device as claimed in claim 4, wherein the magnetic element is a magnet disposed inside the bottom of the housing.

6. The electric power lifting operation safety warning device of claim 4, wherein the anti-slip damping element is a soft material overlay disposed on the outside of the bottom of the housing.

7. The electric power hoisting operation safety warning device according to claim 1, wherein the background terminal controller (1) is a PLC controller.

Images