CN212387597U

CN212387597U - Indoor early warning device with small-size hoist and mount hoist

Info

Publication number: CN212387597U
Application number: CN201922465803.5U
Authority: CN
Inventors: 宋瑞辉
Original assignee: Suzhou Zhongzhou Anbo Crane Co ltd
Current assignee: Suzhou Zhongzhou Anbo Crane Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-01-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an early warning device of an indoor small hoisting crane, wherein the crane comprises a case, a main bracket, an auxiliary bracket, a first pulley, a second pulley, a steel wire rope and a hook; the upper end of the main bracket is fixed with a top cap; the alarm device comprises an indicator light, a laser transmitter, a laser receiver, a relay, an alarm device and a power supply; the laser emitter is fixed on the main support, the laser receiver is fixed on a roof on the side face of the top cap, and the signal output end of the laser receiver is sequentially connected with the relay, the indicator lamp and the power supply. The advantages are that: the utility model discloses an indoor early warning device with small-size hoist and mount hoist, through mutually supporting of laser emitter, laser receiver, relay, alarm device and power. Whether the crane has the condition of deviation or even rollover in the working process can be found in time, and the safety of constructors is ensured.

Description

Indoor early warning device with small-size hoist and mount hoist

Technical Field

The utility model relates to an indoor early warning device with small-size hoist and mount hoist belongs to hoist technical field.

Background

The small hoisting electric crane is small mechanical equipment, is suitable for hoisting operation of high-rise buildings, such as various building materials and various decorative materials, and particularly has unique advantages on long-width materials such as wood boards, blockboards and the like which are inconvenient to carry in corridors. Meanwhile, the device can also be used for the aspects of machine tool loading and unloading of large workpieces in a machining workshop, production assembly lines of household power plants and food factories, warehouses, household lifting of articles and the like.

Whether the main support keeps vertical or not needs to be concerned with constantly in the use of small-size hoist and mount electric crane, if not vertical, can lead to work efficiency slow, can lead to turning on one's side even, causes the condition such as casualties. Whether the crane is vertical or not is generally evaluated by human observation, and when a constructor works, the constructor usually pays attention to the fact that the crane cannot be found in time if the crane deviates or even turns on the side, so that accidents are caused.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide an indoor early warning device with small-size hoist and mount hoist.

In order to solve the technical problem, the utility model provides an early warning device of an indoor small hoisting crane, which comprises a case, a main bracket, an auxiliary bracket, a first pulley, a second pulley, a steel wire rope and a hook; a power device is arranged in the case; the lower part of the main support is fixed in the case, the auxiliary support is obliquely and upwards arranged on one side of the main support, one end of the auxiliary support can be rotatably connected with the main support, a first pulley is arranged at the top of the other end of the auxiliary support, a second pulley is fixedly arranged on one side of the main support opposite to the auxiliary support, the height of the second pulley is lower than that of the first pulley, the steel wire rope is arranged in the case, one end of the steel wire rope is connected with a power device in the case, the other end of the steel wire rope is connected with a lifting hook after passing through the second pulley and the first pulley in sequence, the lower end of the main support is fixed; the alarm device comprises an indicator light, a laser transmitter, a laser receiver, a relay, an alarm device and a power supply; the laser emitter is fixed on the main support, the laser receiver is fixed on a roof on the side face of the top cap, and the signal output end of the laser receiver is sequentially connected with the relay, the indicator lamp and the power supply.

The laser emitter is fixed on the roof of the side face of the top cap, the indicating lamps are fixed on the outer side faces of the laser emitter and the fixing box, and the trigger, the power supply and the connecting wires are arranged in the fixing box.

Further, still include first mechanical switch, first mechanical switch establishes the lateral surface of fixed box, first mechanical switch, power, laser emitter establish ties.

Further, still include second mechanical switch, second mechanical switch also establishes the lateral surface of fixed box, second mechanical switch's one end is connected with laser receiver's positive pole, and the other end is connected with the power positive pole, and laser receiver's negative pole is connected to the negative pole of power.

Furthermore, the device also comprises a buzzer, wherein the buzzer is arranged on the outer side surface of the fixed box, and the buzzer, the laser receiver, the relay, the indicator light and the power supply are connected in series.

Furthermore, the laser receiver receives the laser signal of the laser transmitter, the laser receiver does not output a signal, the laser receiver does not receive the laser signal of the laser transmitter, the laser receiver outputs a control signal to the relay, the relay is powered on, and the indicator light is lightened.

The utility model discloses the beneficial effect who reaches:

the utility model discloses an indoor early warning device with small-size hoist and mount hoist, through mutually supporting of laser emitter, laser receiver, relay, alarm device and power. Whether the crane has the condition of deviation or even rollover in the working process can be found in time, and the safety of constructors is ensured.

Drawings

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

fig. 2 is a schematic circuit diagram of the early warning device of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, the early warning device of the indoor small hoisting crane comprises a case 2, a main bracket 1, an auxiliary bracket 3, a first pulley 4, a second pulley 5, a steel wire rope 6 and a hook 7; a power device (comprising an existing motor, a reducer, a clutch, a brake, a rope drum and the like) is arranged in the case 2; the lower part of a main support 1 is fixed in a case 2, an auxiliary support 3 is obliquely and upwards arranged on one side of the main support 1, one end of the auxiliary support 3 is rotatably connected with the main support 1, a first pulley 5 is arranged at the top of the other end of the auxiliary support 3, a second pulley 4 is fixedly arranged on one side of the main support 1 opposite to the auxiliary support 3, the height of the second pulley 4 is lower than that of the first pulley 5, a steel wire rope 6 is arranged in the case 3, one end of the steel wire rope is connected with a power device in the case 2, the other end of the steel wire rope is connected with a lifting hook 7 after passing through the second pulley 4 and the first pulley 5 in sequence, the lower end of the main support 1 is fixed in the case 2; the device also comprises a laser transmitter 8, a laser receiver 9, a relay, an alarm device and a power supply, wherein the alarm device comprises an indicator light 11; the laser emitter 8 is fixed on the main support 1 (fixed through a fastener), the laser receiver 9 is fixed on a roof 13 on the side surface of a top cap 14 (stuck on the roof), and the signal output end of the laser receiver 9 is sequentially connected with a relay, an indicator light 11 and a power supply. The laser receiver 9 receives the laser signal of the laser transmitter 8, the laser receiver 9 does not output a signal, the laser receiver 9 does not receive the laser signal of the laser transmitter 8, the laser receiver 9 outputs a control signal to the relay, the relay is powered on, and the indicator light 11 is lightened.

In this embodiment, the laser light source device further comprises a fixing box 10, the fixing box 10 is fixed on a roof 13 on the side surface of a top cap 14, an indicator light 11 is fixed on the outer side surface of the fixing box 10 and fixedly connected with the laser emitter 9 below the fixing box 10, and a trigger, a power supply and a connecting wire are arranged in the fixing box 10. Each component is combined together by the fixing box, and the mounting box is convenient to carry.

In this embodiment, the fixing device further includes a first mechanical switch 15, and the first mechanical switch 15 is disposed on an outer side surface of the fixing box 10. Whether the laser emitter is electrified to emit laser can be controlled.

In this embodiment, the device further includes a second mechanical switch 16, the second mechanical switch 16 is also disposed on the outer side surface of the fixing box 10, and the second mechanical switch 16 can control when the laser receiver receives the signal.

In this embodiment, the device further comprises a buzzer 12, wherein the buzzer 12 is arranged on the outer side surface of the fixing box. The alarm device can provide sound alarm, and the sound and light alarm is more obvious.

As shown in fig. 2, in this embodiment, the circuit of the warning device is: the positive pole of power VCC connects laser emitter A and laser receiver B 'S positive pole respectively, receives the power VCC negative pole behind laser emitter A' S the first mechanical switch S1 of negative pole series connection, receives the power VCC negative pole behind laser receiver B 'S the second mechanical switch S2 of negative pole series connection, receives the power VCC negative pole behind laser receiver B' S the signal output part series connection relay K in proper order, pilot lamp L and the bee calling organ H.

The working principle is as follows: after the crane is fixed indoors, the first mechanical switch is turned on first, and the laser receiver is ensured to receive laser emitted by the laser emitter through the fixed position box projected on the roof by the laser. After fixing, open second mechanical switch, laser receiver receives laser, and laser receiver's signal output part is the output signal not, and laser receiver can not receive laser signal when the main support takes place the skew, and output control signal gives the relay at once, and relay switch on, pilot lamp and bee calling organ initiate the police dispatch newspaper simultaneously, can in time remind constructor to notice the observation, whether exist danger.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. An early warning device of a small indoor hoisting crane comprises a case, a main bracket, an auxiliary bracket, a first pulley, a second pulley, a steel wire rope and a lifting hook; a power device is arranged in the case; the lower part of the main support is fixed in the case, the auxiliary support is obliquely and upwards arranged on one side of the main support, one end of the auxiliary support can be rotatably connected with the main support, a first pulley is arranged at the top of the other end of the auxiliary support, a second pulley is fixedly arranged on one side of the main support opposite to the auxiliary support, the height of the second pulley is lower than that of the first pulley, the steel wire rope is arranged in the case, one end of the steel wire rope is connected with a power device in the case, the other end of the steel wire rope is connected with a lifting hook after passing through the second pulley and the first pulley in sequence, the lower end of the main support is fixed; the device is characterized by further comprising a laser transmitter, a laser receiver, a relay, an alarm device and a power supply, wherein the alarm device comprises an indicator light; the laser emitter is fixed on the main support, the laser receiver is fixed on a roof on the side face of the top cap, and the signal output end of the laser receiver is sequentially connected with the relay, the indicator lamp and the power supply.

2. The early warning device of the indoor small hoisting crane as claimed in claim 1, further comprising a fixing box, wherein the fixing box is fixed on a roof on the side surface of the top cap, an indicator lamp is fixed on the outer side surface of the fixing box and fixedly connected with the laser emitter below the fixing box, and a trigger, a power supply and a connecting wire are arranged in the fixing box.

3. The early warning device of the indoor small-sized hoisting crane according to claim 2, further comprising a first mechanical switch, wherein the first mechanical switch is arranged on the outer side surface of the fixing box, and the first mechanical switch, the power supply and the laser emitter are connected in series.

4. The early warning device of the indoor small-sized hoisting crane according to claim 3, further comprising a second mechanical switch, wherein the second mechanical switch is also arranged on the outer side surface of the fixing box, one end of the second mechanical switch is connected with the anode of the laser receiver, the other end of the second mechanical switch is connected with the anode of the power supply, and the cathode of the power supply is connected with the cathode of the laser receiver.

5. The early warning device of an indoor small-sized hoisting crane according to claim 1, further comprising a buzzer, wherein the buzzer is arranged on the outer side surface of the fixing box, and the buzzer, the laser receiver, the relay, the indicator light and the power supply are connected in series.

6. The early warning device of the indoor small-sized hoisting crane according to claim 1, wherein the laser receiver receives the laser signal of the laser transmitter, the laser receiver does not output a signal, the laser receiver does not receive the laser signal of the laser transmitter, the laser receiver outputs a control signal to the relay, the relay is powered on, and the indicator light is turned on.