CN108365552B - Hoisting device and cabinet installation method - Google Patents

Abstract

The invention relates to a hoisting device and a cabinet installation method. The movable switch cabinet is hoisted by arranging at least two mutually independent lifting hook assemblies, the length of a lifting hook of each lifting hook assembly is adjusted to level the switch cabinet or the instrument box, the switch cabinet is assembled by combining the switch cabinets or the instrument box, the installation quality is guaranteed, the labor intensity of installation personnel is greatly reduced, and the potential safety hazard in the installation process is reduced.

Description

A kind of hoisting device and installation method of cabinet

technical field

The invention relates to a hoisting device and an installation method of a cabinet.

Background technique

Switchgear is a kind of electrical equipment, which is mainly used to switch, control and protect electrical equipment in the process of power generation, transmission, distribution and electrical energy conversion in the power system. In recent years, the number of power engineering projects has increased, and the installation demand of switch cabinets has also increased the most. The traditional method of installing switchgear is to manually move the switchgear to a trolley, and then transport it to the installation location for adjustment, which requires a lot of manpower, time-consuming and labor-intensive, and poor safety and stability.

The Chinese patent with the authorization announcement number CN206225850U and the authorization announcement date of 2017.06.06 discloses a switchgear installation mobile appliance. The mobile appliance includes a bracket and a hook assembly installed on the bracket, and the switchgear is installed through the hook assembly. Handling, the mobile device realizes flexible handling, replaces manpower, reduces potential safety hazards, and improves work efficiency. However, the mobile device will tilt when handling objects of uneven quality. For example, when installing the instrument box of the switch cabinet, a large number of secondary cables electrically connected to the instrument box are hung in the front and bottom of the instrument box, causing the instrument box to be suspended. When starting, it will tilt forward. When assembling the instrument box and the cabinet, it is necessary to adjust the position of the instrument box several times to install it in place, which is time-consuming and laborious; when the switch cabinets are combined, the layout of the switch cabinet is asymmetrical. When the cabinet is tilted, it is difficult to combine the switch cabinets, and the straightness between the switch cabinets cannot be guaranteed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a hoisting device to solve the problem that the mobile appliance in the prior art will tilt when transporting the cabinet, and the purpose of the present invention is to provide an installation method of the cabinet using the hoisting device.

In order to achieve the above purpose, the first technical solution of the cabinet installation method of the present invention is: in the cabinet installation method, the cabinet body is first hoisted by a hoisting device, and then the height of at least two hooks in the hoisting device is adjusted. The cabinet in the hoisted state is adjusted to the installation state, and the cabinet is installed to the installation position of the cabinet.

The second technical solution of the cabinet installation method of the present invention is: on the basis of the first technical solution of the cabinet installation method of the present invention, after first adjusting the cabinet to the installation state, the cabinet body is translated to the installation position , and then install the cabinet to the cabinet installation position.

The third technical solution of the cabinet installation method of the present invention is: on the basis of the second technical solution of the cabinet installation method of the present invention, the installation state of the cabinet body is calibrated by the calibration device when moving to the installation position .

In order to achieve the above object, the first technical solution of the hoisting device of the present invention is that the hoisting device includes a bracket, and the bracket is provided with at least two hook assemblies that work independently of each other for hoisting the same object.

The second technical solution of the hoisting device of the present invention is: on the basis of the first technical solution of the hoisting device of the present invention, the number of the hook assemblies is two. While reducing the weight, the cabinet can be better adjusted to the level.

The third technical solution of the hoisting device of the present invention is: on the basis of the first or second technical solution of the hoisting device of the present invention, the bracket is provided with a hook component corresponding to each hook component one-to-one. Sliding rails. The hook components do not interfere with each other during the movement.

The fourth technical solution of the hoisting device of the present invention is: on the basis of the third technical solution of the hoisting device of the present invention, the slide rails are arranged in parallel with each other.

The fifth technical solution of the hoisting device of the present invention is: on the basis of the first or second technical solution of the hoisting device of the present invention, the bracket is provided with a slide rail for the hook assembly to slide, and the bracket includes a column, The upright column is provided with a top beam, and the slide rail is arranged on the top beam.

The sixth technical solution of the hoisting device of the present invention is: on the basis of the fifth technical solution of the hoisting device of the present invention, the bracket includes four uprights, wherein two uprights form a group, and each group of uprights is provided with a the top beams, the slide rails are arranged on the two top beams and located between the two top beams.

The seventh technical solution of the hoisting device of the present invention is: on the basis of the sixth technical solution of the hoisting device of the present invention, a support member for increasing the stability of the vertical column is arranged between each group of columns. Increase the stability of the stand.

The eighth technical solution of the hoisting device of the present invention is: on the basis of the seventh technical solution of the hoisting device of the present invention, the support member is in an X-shape.

The ninth technical solution of the hoisting device of the present invention is: on the basis of the first or second technical solution of the hoisting device of the present invention, the column is provided with a calibration device for calibrating the installation state of the cabinet. It can ensure the straightness between the cabinets.

The tenth technical solution of the hoisting device of the present invention is: on the basis of the ninth technical solution of the hoisting device of the present invention, the calibration device is a laser collimator.

The eleventh technical solution of the hoisting device of the present invention is: on the basis of the first or second technical solution of the hoisting device of the present invention, the electric control box on the bracket is provided with an antenna receiving component for receiving operation commands . By wirelessly controlling the movement of the hook assembly, it is not affected by space factors and can be controlled from a long distance.

The twelfth technical solution of the hoisting device of the present invention is: on the basis of the first or second technical solution of the hoisting device of the present invention, a roller is installed on the bracket to facilitate the movement of the bracket.

The beneficial effect of the present invention is that the moving object is hoisted by setting at least two mutually independent hook assemblies, and the hook length of the hook assembly is adjusted according to the required angle and position of the object, so as to better realize the switch cabinet The cabinet or instrument box is installed into the switch cabinet, which ensures the quality of the installation, and greatly reduces the labor intensity of the installation personnel, and reduces the hidden safety hazards in the installation process.

Description of drawings

1 is a schematic structural diagram of a specific embodiment 1 of the hoisting device of the present invention;

Fig. 2 is the left side view in Fig. 1;

Fig. 3 is the top view in Fig. 1;

FIG. 4 is a schematic structural diagram of a wireless remote control handle according to Embodiment 1 of the hoisting device of the present invention;

5 is a schematic structural diagram of a specific embodiment 2 of the hoisting device of the present invention;

6 is a schematic structural diagram of a specific embodiment 3 of the hoisting device of the present invention;

FIG. 7 is a schematic structural diagram of a specific embodiment 4 of the hoisting device of the present invention.

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

The specific embodiment 1 of the hoisting device of the present invention, as shown in FIG. 1 to FIG. 4 , the hoisting device includes a bracket 1, and the bracket 1 includes a column 6 and a top beam 9 arranged on the column 6 and extending in the front-rear direction. The top beam 9 A beam 2 is arranged on the beam 2, the beam 2 constitutes a slide rail, and a hook assembly 3 is arranged on the beam 2. The hook assembly 3 includes components such as a motor, a deceleration mechanism, a braking mechanism and a hook, which are used to control the lifting of the cabinet. The hook assembly 3 is slidably assembled on the beam 2, and the position can be adjusted in the length direction of the beam to facilitate the installation of the cabinet. In this embodiment, the two beams 2 are arranged in parallel. In other embodiments, the two beams 2 are also Can not be set in parallel. As shown in FIG. 2 and FIG. 3 , the number of beams 2 between the top beams 9 is two, and each beam 2 is provided with a hook assembly 3 . In other embodiments, two suspensions can be arranged on each beam 2 The hook assembly is used to hoist the four corners of the cabinet, so that the hook assembly can adjust the cabinet to the level more quickly.

In this embodiment, the bracket 1 includes four uprights 6, two uprights 6 are a group, and each group of uprights 6 is connected by a top beam 9. Due to the heavy weight of the cabinet, in order to ensure the safety of the hoisting device during the moving process , a support rod 10 is arranged between the two uprights 6 of each group, and the support rod 10 constitutes a support member. In this embodiment, the number of the support rods 10 is two and connected together in an X shape, and the support rod The overall strength of the bracket is improved, and the stability of the moving process after the cabinet is lifted and the safety of the staff are ensured. Among them, the support rod 10 is a steel pipe. In other embodiments, the support rod can also be an aluminum alloy pipe, a magnesium alloy High-strength metal materials such as pipes and iron pipes, or solid metal rods with high strength.

In this embodiment, in order to ensure that it is not affected by the complex terrain conditions of the construction site, as shown in FIG. 3, an electrical control box 4 is arranged on one of the beams 3, and the electrical control box 4 is equipped with an electrical control device and is used for receiving wireless It is a wireless receiving component that sends signals and commands to the electrical control device. The electrical control device is equipped with a frequency converter and a PLC. The frequency converter has the functions of high speed regulation accuracy, zero-speed start to provide full torque and fault diagnosis; PLC makes the hardware structure simple and wiring. The stability of the entire system is protected. The hoisting device sends commands to the wireless receiving components through the wireless remote control handle 11. After receiving the commands, the wireless receiving components send commands to the electrical control device. The electrical control device controls the lifting and lowering of the hook to make the cabinet reach an ideal position.

In this embodiment, as shown in FIG. 4 , the wireless remote control handle 11 includes an emergency stop button 1105, which is used to stop the hook assembly 3 in time when an emergency occurs; the wireless remote control handle 11 also includes an adjustment The front upper button 1101 for the upward movement of the hook of the hook assembly and the rear upper button 1103 for adjusting the upward movement of the hook of the rear hook assembly, and the front lower button 1102 for adjusting the downward movement of the hook of the front hook assembly and the adjustment of the rear hook The rear lower button 1104 for the downward movement of the hook of the assembly.

In this embodiment, a laser aligner 5 is provided on a column 6 on the right side of the bracket 1 , the laser aligner 5 constitutes a calibration device, and the laser aligner 5 is used to ensure that the cabinets are aligned during the process of merging cabinets. In this embodiment, the number of laser straighteners 5 is one and is located in the middle of the column 6. In other embodiments, the number of laser collimators 5 is two and is arranged on the column at intervals. 6 on.

In this embodiment, rollers are installed at the bottom ends of the four uprights 6, wherein the rollers of the front two uprights are directional wheels 7, and the rollers of the rear two uprights 6 are universal wheels 8. In other embodiments, the four The rollers installed at the bottom end of the uprights can all be universal wheels or directional wheels; the bottom ends of the four uprights can also not be provided with rollers and slide directly on the slide rails.

The cabinet in this embodiment may be a cabinet structure such as a switch cabinet and an instrument box.

When the hoisting device is used in the switchgear assembly: during the assembly process of the instrument box and the switchgear, the front and rear two hook assemblies 3 are hooked to the four lifting holes of the instrument box through the hanging rope. Too much drop of the secondary line of the box will cause the instrument box to tilt forward. Remote control the hook assembly 3 through the wireless remote control handle 11, adjust the lifting height of the front and rear hook assemblies 3 according to the inclination of the instrument box, and level the inclined instrument box. Then put the instrument box into the correct assembly position and quickly install it on the switchgear.

When the hoisting device is used in the switchgear cabinet: the front and rear two hook assemblies 3 hook the four hoisting installation loops on the switchgear through the hanging rope, and use the wireless remote control handle 11 to remotely control the initial hoisting. After hoisting, different cabinet types will appear. Different degrees of inclination, and then adjust the lifting height of the front and rear hook assemblies 3 according to the inclination of the cabinet, and level the switch cabinet. Then move the hoisting device along the cable trench to the position where the cabinets are combined to be close to the installed switchgear and initially align; then use a laser straightener to calibrate the straightness between the cabinets. After adjustment, drop the switchgear gently and tighten it. Combine the cabinet bolts to complete the switchgear cabinet.

The specific embodiment 2 of the hoisting device of the present invention: as shown in FIG. 5 , the difference from the specific embodiment 1 is that the number of the hook assemblies 3 is four.

The specific embodiment 3 of the hoisting device of the present invention: as shown in FIG. 6 , the difference from the specific embodiment 1 is that the two beams 2 are not parallel.

The specific embodiment 4 of the hoisting device of the present invention: as shown in FIG. 7 , the difference from the specific embodiment 1 is that the support rods 10 are arranged in parallel and do not cross. In other embodiments, the support rod may not be provided.

In other embodiments, the height of the hook on the hook assembly can also be adjusted through a wired control electrical control box; in other embodiments, the bracket may not be provided with rollers, and slide directly on the slide rail; in other implementations In an example, it is also possible to observe whether the two cabinets are straight or not through the human eye without setting a laser alignment instrument.

The specific embodiment 1 of the installation method of the cabinet of the present invention, the installation method of the cabinet is the same as the steps of the installation method of the switch cabinet described in any one of the specific embodiment 1 to the specific embodiment 4 in the above-mentioned hoisting device, and will not be repeated. .

In the specific embodiment 2 of the cabinet installation method of the present invention, the installation method of the cabinet is the same as the steps of the installation method of the instrument box described in any one of the specific embodiment 1 to the specific embodiment 4 in the above-mentioned hoisting device, and will not be repeated. .

Claims (8)

1. The utility model provides a hoisting device, includes the support, its characterized in that: the bracket is provided with at least two hook assemblies which work independently and are used for hoisting the same object; the support comprises four upright posts, wherein two upright posts form a group, each group of upright posts is provided with a top beam extending along the front-back direction, and each group of upright posts is respectively connected with the front end part and the rear end part of the top beam; the hoisting device also comprises a cross beam, the cross beam is arranged on the two top beams and positioned between the two top beams, the cross beam forms a slide rail, and the slide rail corresponds to each lifting hook component one by one and is used for the sliding of the lifting hook components; the slide rails are arranged at an included angle; when the cabinet is installed by using the hoisting device, the cabinet body is hoisted by the hoisting device firstly, and then the cabinet body in a hoisting state is adjusted to an installation state by adjusting the height of at least two lifting hooks in the hoisting device, so that the cabinet body is installed on the cabinet body installation position.

2. The hoisting device of claim 1, wherein: the number of the lifting hook components is two.

3. The hoisting device of claim 1, wherein: and a supporting piece for increasing the stability of the stand column is arranged between each group of stand columns.

4. The hoisting device of claim 3, wherein: the support piece is X-shaped.

5. The hoisting device according to claim 1 or 2, characterized in that: and the bracket is provided with a calibrating device for calibrating the installation state of the cabinet body.

6. The hoisting device of claim 5, wherein: the calibration device is a laser collimator.

7. The hoisting device according to claim 1 or 2, characterized in that: and an antenna receiving assembly for receiving an operation command is arranged in the electric control box on the bracket.

8. The hoisting device according to claim 1 or 2, characterized in that: and the support is provided with a roller convenient for the support to move.

Images