CN216489096U - A prevent interim block terminal of electric shock type for building construction engineering - Google Patents

Abstract

The utility model provides a prevent electric shock type block terminal temporarily for building construction engineering, includes the box, installs waterproof cover on the box, and the guard gate is installed to box one side, and box below fixed mounting has inside threaded sleeve, and the sleeve endotheca has hob and threaded connection, and hob below fixed mounting has the back shaft, and fixed cover has driven bevel gear on the back shaft, and driven bevel gear and the vertical drive bevel gear meshing of placing, the box side evenly is provided with a plurality of wiring holes, the inside current sensor that is provided with of box. The distribution box is convenient to move, can be kept stable on uneven sandy soil ground, can normally run in rainy and snowy weather due to the waterproof cover, can monitor the electric leakage condition in real time due to the internal electric shock prevention circuit, ensures the safety of constructors, prevents water from entering the distribution box to damage the circuit and prevent casualties caused by electric leakage once the distribution box is positioned at a low-lying accumulated water position, and can be lifted manually.

Description

A prevent interim block terminal of electric shock type for building construction engineering

The technical field is as follows:

the utility model relates to electrical engineering technical engineering, in particular to an electric shock prevention type temporary distribution box for building construction engineering.

Background art:

on the building construction site, various machines need to be driven, so that a large amount of electricity is needed, and the distribution box is an essential infrastructure on the building site. When the building is built and is accomplished, used block terminal has also not had the usefulness, a interim simple and easy block terminal that can realize all necessary functions is necessary so, contain a large amount of power parts in the block terminal, will cause irreversible injury a little carelessly, in order to ensure constructor's personal safety, this interim block terminal need have the protection against electric shock function, however most block terminals on the market now either can't accomplish to retrench, or can't accomplish safe not electric leakage, so wait to develop a simple and easy convenient to detach removal and the block terminal of anticreep urgently.

The utility model has the following contents:

the utility model aims to provide an electric shock prevention type temporary distribution box for building construction engineering, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an electric shock prevention type temporary distribution box for building construction engineering comprises a box body, wherein a waterproof cover is installed above the box body, a protective door is installed on one side of the box body, a handle is installed on the protective door, a sleeve with internal threads is fixedly installed below the box body, a screw rod and a threaded connection are sleeved inside the sleeve, a support shaft is fixedly installed below the screw rod, a driven bevel gear is fixedly sleeved on the support shaft and meshed with a driving bevel gear which is vertically placed, the driving bevel gear and the driven bevel gear are arranged in a driving box, one end of a driving shaft is fixedly sleeved at the center of the driving bevel gear, the other end of the driving shaft extends out of the driving box and is in rotating connection, a vertical rod is fixedly installed below the sleeve and sleeved in a restraining rod in sliding connection, the restraining rod is fixedly installed outside the driving box, the lower part of the driving box is provided with three support legs, and the side surface of the box body is uniformly provided with a plurality of wiring holes; a grounding wire is led out of the interior of the box body and connected with the ground, a current sensor is arranged in the box body and connected with a filter, the filter is connected with an amplifier, one line of the amplifier is connected with a relay, and the other line of the amplifier is connected with an alarm; and a lightning protection circuit is arranged in the box body.

Preferably, the bearings are installed at two ends of the supporting shaft, the small bearing is installed at one end of the driving shaft, and the bearings and the small bearing are embedded in the driving box.

Preferably, the waterproof cover, the box body, the protective door and the handle are all made of insulating materials.

Preferably, the current sensor, the filter, the amplifier, the relay and the alarm are connected by wires.

Compared with the prior art, the utility model has the beneficial effects that: the distribution box used in a building construction site is very simple and convenient to move along with the change of the position of the construction site, the distribution box can be placed on uneven sandy soil ground on the construction site and can also be kept stable by the three support legs, the distribution box exposed in an outdoor environment can also normally operate by the waterproof cover in rainy and snowy weather, the construction progress is ensured, the internal electric shock prevention circuit can monitor the internal electric leakage condition in real time, the safety of constructors is ensured, and once the distribution box is positioned at a low-lying accumulated water position, the distribution box can be manually lifted in order to prevent the circuit from being damaged by water entering the interior of the distribution box and the casualties caused by electric leakage in order to avoid extreme weather conditions and special conditions of the construction site, and certain simple emergency measures can be taken on the distribution box.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the principal structure of the present invention;

FIG. 2 is a side view of the principal structure of the present invention;

FIG. 3 is an enlarged view of the lift mechanism of the present invention;

FIG. 4 is a schematic diagram of the main structure of the present invention;

FIG. 5 is a schematic diagram of the main structure of the present invention;

FIG. 6 is a diagram of an anti-shock circuit of the present invention;

FIG. 7 is a lightning protection circuit diagram of the present invention.

In the figure: 1. waterproof cover, 2, box, 3, handle, 4, guard gate, 5, sleeve, 6, hob, 7, montant, 8, stabilizer blade, 9, drive shaft, 10, drive case, 11, little bearing, 12, drive bevel gear, 13, restraint lever, 14, driven bevel gear, 15, back shaft, 16, bearing, 17, wiring hole, 18, earth connection, 19, current sensor, 20, wave filter, 21, amplifier, 22, relay, 23, siren.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an electric shock prevention type temporary distribution box for building construction engineering comprises a box body 2, wherein a waterproof cover 1 is arranged above the box body 2, so that water cannot enter the distribution box in rainy and snowy weather, an internal circuit is protected, and safety is ensured; a protective door 4 is arranged on one side of a box body 2, a handle 3 is arranged on the protective door 4, the door is convenient to open and close, a sleeve 5 with threads inside is fixedly arranged below the box body 2, a spiral rod 6 is sleeved inside the sleeve 5 and is in threaded connection, a support shaft 15 is fixedly arranged below the spiral rod 6, a driven bevel gear 14 is fixedly sleeved on the support shaft 15, the driven bevel gear 14 is meshed with a driving bevel gear 12 which is vertically arranged, the driving bevel gear 12 and the driven bevel gear 14 are arranged in a driving box 10, one end of a driving shaft 9 is fixedly sleeved at the center of the driving bevel gear 12, the other end of the driving shaft 9 extends out of the driving box 10 and is in rotating connection, when the driving shaft 9 exposed outside the driving box 10 is manually rotated, the driving bevel gear 12 is rotated to drive the driven bevel gear 14 to rotate, and further drive the spiral rod 6 to rotate to drive the sleeve 5 to move up and down, the up and down movement of a distribution box is realized, a vertical rod 7 is fixedly arranged below the sleeve 5, the vertical rod 7 is sleeved in the restraint rod 13 and is connected in a sliding mode, the restraint rod 13 is fixedly installed outside the driving box 10, the restraint sleeve 5 can only move up and down and cannot rotate along with the spiral rod 6, the three support legs 8 are installed on the lower portion of the driving box 10 and can keep the distribution box stably placed on the ground, and the side face of the box body 2 is uniformly provided with the plurality of wiring holes 17, so that wiring on a construction site is regular and convenient to overhaul; a grounding wire 18 is led out from the interior of the box body 2 and connected with the ground, and static electricity in the air in the box body 2 is timely conveyed to the ground. The current sensor 19 with the model of AHKCH is arranged in the box body 2, the static condition in the air in the box body 2 can be detected in real time, the current sensor 19 is connected with the filter 20 with the model of XDB2D-10A-S, the filter 20 is connected with the amplifier 21 with the model of LM258P, one line of the amplifier 21 is connected with the relay 22 with the model of PYF08A, the power supply is cut off in time, excessive charge accumulation is prevented, the other line of the amplifier 21 is connected with the alarm 23, and when the static inside the box body 2 is excessive, an alarm is sent out to remind a worker not to approach the box body; the box body 2 is internally provided with a lightning protection circuit, so that the internal circuit is protected from being damaged in the thunderstorm weather. Bearing 16 is installed at back shaft 15 both ends, and little bearing 11 is installed to drive shaft 9 one end, and bearing 16 and little bearing 11 inlay in drive box 10 for reduce the friction loss when drive shaft 9 rotates with back shaft 15, constructor rotates more laborsavingly. The waterproof cover 1, the box body 2, the protective door 4 and the handle 3 are made of insulating materials, so that electric shock of constructors is prevented. The current sensor 19, the filter 20, the amplifier 21, the relay 22 and the alarm 23 are connected by wires.

The working principle of the utility model is as follows: the support legs 8 of the distribution box are placed on the ground to ensure the stability of the distribution box, the driving shaft 9 is shaken according to the height requirement to drive the driving bevel gear 12 to rotate, so that the driven bevel gear 14 is driven to rotate, the supporting shaft 15 rotates along with the driven bevel gear 14 to drive the spiral rod 6 to rotate, and the sleeve 5 moves up and down under the action of the restraint rod 13; then the wires to be led out are led out from the wiring holes 17 on the side of the box body 2; the current sensor 19 in the box body 2 detects the static condition in the air in the box body 2 in real time, once the static aggregation is too much, the static aggregation can be detected by the current sensor 19, then a signal is transmitted to the filter 20, the static aggregation is amplified by the amplifier 21 and then divided into two lines, one line is connected with the relay 22, the power supply is cut off in time to prevent the static aggregation, and the other line is connected with the alarm 23 to warn construction personnel not to approach; meanwhile, the grounding wire 18 below the box body guides the internal charge underground at any time; in case there is thunderstorm weather, waterproof cover 1 shelters from the rainwater, and lightning protection circuit will protect the circuit not receive the infringement in the block terminal when thunder and lightning attack block terminal, at first reduces voltage through bleeder circuit, then reduces the electric current through current limiting circuit, and clamping circuit limits the electric current at the safe value within range at last.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. The utility model provides a prevent interim block terminal of electric shock type for building construction engineering, includes the box, its characterized in that: a waterproof cover is installed above the box body, a protective door is installed on one side of the box body, a handle is installed on the protective door, a sleeve with threads inside is fixedly installed below the box body, a spiral rod and a support shaft are sleeved inside the sleeve and are in threaded connection, a support shaft is fixedly installed below the spiral rod, a driven bevel gear is fixedly sleeved on the support shaft and is meshed with a driving bevel gear which is vertically placed, the driving bevel gear and the driven bevel gear are arranged in a driving box, one end of a driving shaft is fixedly sleeved at the center of the driving bevel gear, the other end of the driving shaft extends out of the driving box and is in rotating connection, a vertical rod is fixedly installed below the sleeve, the vertical rod is sleeved inside a restraining rod and is in sliding connection, the restraining rod is fixedly installed outside the driving box, and three support legs are installed at the lower part of the driving box, a plurality of wiring holes are uniformly formed in the side face of the box body; a grounding wire is led out of the interior of the box body and connected with the ground, a current sensor is arranged in the box body and connected with a filter, the filter is connected with an amplifier, one line of the amplifier is connected with a relay, and the other line of the amplifier is connected with an alarm; and a lightning protection circuit is arranged in the box body.

2. The electric shock prevention type temporary distribution box for building construction engineering according to claim 1, wherein bearings are installed at both ends of the support shaft, a small bearing is installed at one end of the drive shaft, and the bearings and the small bearing are embedded in the drive box.

3. The electric shock prevention type temporary distribution box for building construction engineering according to claim 1, characterized in that: the waterproof cover, the box body, the protective door and the handle are all made of insulating materials.

4. The electric shock prevention type temporary distribution box for building construction engineering according to claim 1, characterized in that: the current sensor, the filter, the amplifier, the relay and the alarm are connected by adopting electric wires.

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