Power equipment mounting device for building and mounting method thereof

Abstract

The invention discloses a building electrical equipment mounting device, which comprises a remote control movable base, a lifting plate and a mounting plate, a self-fixing mechanism is arranged between the lifting plate and the mounting plate, the self-fixing mechanism comprises a distance sensor, a connecting plate and a negative pressure suction hole, and a negative pressure assembly is fixedly connected between the connecting plate and the mounting plate. A side auxiliary mechanism is arranged outside the remote control movable base and comprises a side auxiliary plate. According to the device, the electrical equipment is pushed to the position above the mounting plate and reaches a preset sensing value of the distance sensor, so that the interior of the negative pressure suction hole is in a negative pressure state to adsorb and fix the electrical equipment on the mounting plate, and the adsorption effect can be automatically relieved while the electrical equipment is automatically fixed; the power equipment can be pushed to the position above the mounting plate through the inclined side auxiliary plate, the power equipment does not need to be manually lifted to the position above the mounting plate, and the side auxiliary plate can be stored in the groove B so that the occupied area of the device can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of power equipment installation, and in particular to a power equipment installation device for buildings and an installation method thereof. Background Art

[0002] Building power equipment mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment mainly includes power station boilers, steam turbines, gas turbines, water turbines, generators and transformers, etc. Power supply equipment mainly includes transmission lines of various voltage levels, mutual inductors and contactors, etc. Since the above-mentioned power equipment is relatively heavy, it is necessary to lift the power equipment through ground devices during installation to facilitate high-point installation of the power equipment.

[0003] After searching, the utility model patent with Chinese patent number CN 219239132 U discloses a lifting device for installing power equipment at high points of buildings, including a placement box, the upper side of which is set to be open, and the side is provided with an inlet, and a lifting assembly is arranged inside the placement box, and the lifting assembly includes a lifting frame, a bottom plate, a mounting plate, a bottom column and a telescopic rod, two lifting frames are symmetrically arranged inside the placement box, the bottom plate is fixedly connected between the two lifting frames, the two bottom columns are symmetrically fixedly connected below the middle of the bottom plate, the telescopic rod is fixedly installed inside the bottom column, the mounting plate is fixedly connected to the upper ends of the two telescopic rods, a bayonet is opened in the middle of the upper side of the bottom plate, and the mounting plate protrudes from the lower side and is clamped inside the bayonet. Compared with the prior art, the utility model patent with Chinese patent number CN219239132 U can be moved to a designated location for installation, which improves the portability of installation.

[0004] However, during actual use of the above-mentioned high-point power equipment installation and lifting device for buildings, the power equipment placed on the mounting plate needs to be fixed by straps, but the fixing with straps is inconvenient, and there is a certain height between the mounting plate and the ground. It is labor-intensive to manually lift the power equipment to the mounting plate. Therefore, there is a need for a building power equipment installation device that can be self-fixed and easy to place power equipment. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that the fixing with binding straps is inconvenient and the manual lifting of power equipment is labor-intensive, and to propose a building power equipment installation device and an installation method thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A device for installing electric power equipment for buildings, comprising a remote-controlled movable base, a lifting plate arranged above the remote-controlled movable base, and a mounting plate arranged above the lifting plate, a self-fixing mechanism for self-fixing electric power equipment is arranged between the lifting plate and the mounting plate, the self-fixing mechanism comprises a distance sensor arranged outside the lifting plate, a connecting plate, and a negative pressure suction hole axially symmetrically opened outside the mounting plate, a negative pressure component related to the distance sensor is fixedly connected between the connecting plate and the mounting plate;

[0008] The outside of the remote-controlled movable base is provided with a side auxiliary mechanism for assisting the placement of the electric power equipment, and the side auxiliary mechanism includes a side auxiliary plate in contact with the ground.

[0009] The above technical solution further includes:

[0010] An empty slot A is provided on the top of the remote-controlled movable base, and a remote-controlled lifting telescopic rod fixedly connected to the lifting plate is installed inside the empty slot A; the lifting and resetting of the lifting plate can be achieved through the remote-controlled lifting telescopic rod.

[0011] The self-fixing mechanism also includes an L-shaped mounting plate fixedly connected to the outside of the lifting plate and a group of limiting holes opened on the outside of the lifting plate. The distance sensor is installed on the inner side of the L-shaped mounting plate. The bottom of the connecting plate is fixedly connected to a group of limiting rods that pass through the group of limiting holes and extend to the inside of the empty slot A. The lifting plate can drive the connecting plate to move upward when it is lifted upward.

[0012] The negative pressure component includes an annular sealed air pressure chamber fixedly connected between the connecting plate and the mounting plate, the annular sealed air pressure chamber is communicated with the negative pressure suction hole, an annular piston is arranged inside the annular sealed air pressure chamber, and an annular piston plate is fixedly connected to the bottom of the annular piston; when the annular piston moves downward, the inside of the negative pressure suction hole can be in a negative pressure state.

[0013] The negative pressure component also includes an electro-hydraulic push rod fixedly connected to the bottom of the connecting plate and a circular groove opened on the top of the connecting plate, the electro-hydraulic push rod is electrically connected to the distance sensor, and the inside of the circular groove is slidably connected with a circular plate fixedly connected to the annular piston plate; when the electrical equipment reaches the preset sensing value of the distance sensor, the electro-hydraulic push rod will shorten and drive the annular piston plate and the annular piston to move downward, so that the inside of the negative pressure suction hole is in a negative pressure state to adsorb and fix the electrical equipment on the mounting plate.

[0014] A one-way pipe fitting is symmetrically arranged on the outer axis of the annular sealed air pressure chamber, and the one-way pipe fitting includes a connecting pipe connected to the annular sealed air pressure chamber, and a conical cover and a cross are fixedly connected to the interior of the connecting pipe. The closing end of the conical cover is close to the annular sealed air pressure chamber, and a sealing ball is arranged inside the conical cover, and a sealing spring is fixedly connected between the sealing ball and the cross connecting frame; when the annular piston moves downward, the sealing ball tightly seals the conical cover, and when the annular piston resets upward, the sealing ball will detach from the conical cover and compress the sealing spring, so that the negative pressure state inside the negative pressure suction hole disappears.

[0015] The side auxiliary mechanism also includes a connecting plate symmetrically fixedly connected to the top of the remote control movable base, and a sliding block is rotatably connected to the inner side of the connecting plate; when the side auxiliary plate is stored, the sliding groove can slide on the outside of the sliding block.

[0016] The side of the side auxiliary plate that contacts the ground is evenly rotated and connected with a rotating wheel, and sliding grooves are opened on both sides of the side auxiliary plate, and the slider is slidably connected inside the sliding groove; the rotating wheel can assist the side auxiliary plate to move following the remote control movable base.

[0017] The side auxiliary mechanism also includes a groove B opened on the side of the remote-controlled movable base, and a dual-axis motor is installed inside the groove B. The two output ends of the dual-axis motor are fixedly connected to connecting arms, and the ends of the two connecting arms are jointly rotatably connected to a U-shaped connecting frame that is rotatably connected to the two sides of the side auxiliary plate; by starting the dual-axis motor, the two connecting arms can drive the side auxiliary plate through the U-shaped connecting frame to store the side auxiliary plate into the interior of the groove B.

[0018] A method for installing electrical equipment for a building comprises the following steps:

[0019] Step 1: First, push the electric device to the top of the mounting plate through the side auxiliary plate, so that the electric device reaches the preset sensing value of the distance sensor, and then the electro-hydraulic push rod will shorten and drive the annular piston plate and the annular piston to move downward through the circular plate. The downward moving annular piston makes the inside of the negative pressure suction hole present a negative pressure state, thereby adsorbing and fixing the electric device on the mounting plate;

[0020] Step 2: After the electrical equipment on the mounting plate is adsorbed and fixed, the two connecting arms are rotated inward by starting the dual-axis motor. The two connecting arms rotating inward drive the side auxiliary plate to approach the groove B through the U-shaped connecting frame, thereby storing the side auxiliary plate inside the groove B;

[0021] Step 3: Then, the electric equipment is moved to the bottom of the installation position by remote control of the movable base, and then the lifting plate is lifted upward by remote control of the lifting telescopic rod, so that the lifting plate drives the connecting plate, the negative pressure assembly, the mounting plate and the electric equipment to move to the installation position, and then the electric equipment can be installed;

[0022] Step 4: After the installation of the power equipment is completed, the lifting plate is reset downward by remotely lifting the telescopic rod, and the mounting plate is adsorbed on the bottom of the power equipment through the negative pressure suction hole, so that the negative pressure component and the connecting plate are fixed under the power equipment. The lifting plate is reset downward to drive the distance sensor away from the power equipment, so that the electro-hydraulic push rod is reset to release the negative pressure state inside the negative pressure suction hole, so that the mounting plate, negative pressure component and connecting plate are reset downward along with the lifting plate.

[0023] The present invention has the following beneficial effects:

[0024] 1. The present invention pushes the electric equipment to the top of the mounting plate and makes the electric equipment reach the preset sensing value of the distance sensor, so that the annular piston can move downward, so that the inside of the negative pressure suction hole is in a negative pressure state to adsorb and fix the electric equipment on the mounting plate, and by remotely lifting the telescopic rod to reset the lifting plate downward, the annular piston can move upward, so that the blocking ball is separated from the conical cover and the blocking spring is compressed, thereby eliminating the negative pressure state inside the negative pressure suction hole to release the adsorption effect on the electric equipment, that is, the adsorption effect can be autonomously released while the electric equipment can be self-fixed.

[0025] 2. The present invention can push the power equipment to the top of the mounting plate through the inclined side auxiliary plate, without the need to manually lift the power equipment to the top of the mounting plate, thereby saving manpower, and can start the dual-axis motor to make the two connecting arms drive the side auxiliary plate close to the groove B through the U-shaped connecting frame, so that the side auxiliary plate is stored in the inside of the groove B to reduce the footprint of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the first external structure of a building power equipment installation device proposed by the present invention;

[0027] Figure 2 A second external structural schematic diagram of a building power equipment installation device proposed by the present invention;

[0028] Figure 3 A schematic diagram of the internal structure of a building power equipment installation device proposed by the present invention;

[0029] Figure 4 It is a schematic diagram of the internal structure of the self-fixing mechanism in the present invention;

[0030] Figure 5 for Figure 4Schematic enlarged view of the structure at position A in [the figure];

[0031] Figure 6 For Figure 4 Schematic enlarged view of the structure at position B in [the figure].

[0032] In the figure: 1, remotely controlled movable base; 2, lifting plate; 3, mounting plate; 4, power equipment; 5, self - fixing mechanism; 51, distance sensor; 52, connecting plate; 53, negative pressure suction hole; 54, negative pressure component; 541, annular sealed air pressure chamber; 542, annular piston; 543, annular piston plate; 544, electro - hydraulic push rod; 545, circular groove; 546, circular plate; 55, L - shaped mounting plate; 56, limit hole group; 57, limit rod group; 58, one - way pipe fitting; 581, connecting pipe; 582, conical cover; 583, cross; 584, blocking ball; 585, blocking spring; 6, side auxiliary mechanism; 61, side auxiliary plate; 62, connecting plate; 63, slider; 64, runner; 65, sliding groove; 66, groove B; 67, double - shaft motor; 68, connecting arm; 69, U - shaped connecting frame; 7, empty slot A; 8, remotely controlled lifting telescopic rod. Specific implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1

[0035] As Figure 1-6 shown, an installation device for building power equipment proposed by the present invention includes a remotely controlled movable base 1, a lifting plate 2 arranged above the remotely controlled movable base 1, and a mounting plate 3 arranged above the lifting plate 2. An empty slot A7 is opened at the top of the remotely controlled movable base 1, and a remotely controlled lifting telescopic rod 8 fixedly connected to the lifting plate 2 is installed inside the empty slot A7. The lifting and reset of the lifting plate 2 can be realized through the remotely controlled lifting telescopic rod 8;

[0036] A self-fixing mechanism 5 for self-fixing the electric equipment 4 is arranged between the lifting plate 2 and the mounting plate 3. The self-fixing mechanism 5 includes a distance sensor 51 arranged outside the lifting plate 2, a connecting plate 52 and a negative pressure suction hole 53 axially symmetrically opened outside the mounting plate 3. The self-fixing mechanism 5 also includes an L-shaped mounting plate 55 fixedly connected to the outside of the lifting plate 2 and a limit hole group 56 opened outside the lifting plate 2. The distance sensor 51 is installed on the inner side of the L-shaped mounting plate 55. The bottom of the connecting plate 52 is fixedly connected with a limit rod group 57 passing through the limit hole group 56 and extending to the inside of the empty slot A7. When the lifting plate 2 is lifted upward, it can drive the connecting plate 52 to move upward. A negative pressure component 54 related to the distance sensor 51 is fixedly connected between the connecting plate 52 and the mounting plate 3.

[0037] The negative pressure assembly 54 includes an annular sealed air pressure chamber 541 fixedly connected between the connecting plate 52 and the mounting plate 3, the annular sealed air pressure chamber 541 is connected to the negative pressure suction hole 53, an annular piston 542 is arranged inside the annular sealed air pressure chamber 541, when the annular piston 542 moves downward, the inside of the negative pressure suction hole 53 can be in a negative pressure state, the bottom of the annular piston 542 is fixedly connected to the annular piston plate 543, the negative pressure assembly 54 also includes an electro-hydraulic push rod 544 fixedly connected to the bottom of the connecting plate 52 and a The circular groove 545 on the top of the connecting plate 52, the electro-hydraulic push rod 544 is electrically connected to the distance sensor 51, and the circular plate 546 fixedly connected to the annular piston plate 543 is slidably connected inside the circular groove 545. When the electric device 4 reaches the preset sensing value of the distance sensor 51, the electro-hydraulic push rod 544 will shorten and drive the annular piston plate 543 and the annular piston 542 to move downward through the circular plate 546, so that the inside of the negative pressure suction hole 53 is in a negative pressure state to absorb and fix the electric device 4 on the mounting plate 3;

[0038] A one-way pipe fitting 58 is symmetrically arranged on the outer axis of the annular sealed air pressure chamber 541, and the one-way pipe fitting 58 includes a connecting pipe 581 connected to the annular sealed air pressure chamber 541, and a conical cover 582 and a cross 583 are fixedly connected inside the connecting pipe 581. The closing end of the conical cover 582 is close to the annular sealed air pressure chamber 541, and a sealing ball 584 is arranged inside the conical cover 582. A sealing spring 585 is fixedly connected between the sealing ball 584 and the cross connecting frame 583. When the annular piston 542 moves downward, the sealing ball 584 tightly seals the conical cover 582. When the annular piston 542 is reset upward, the sealing ball 584 will detach from the conical cover 582 and compress the sealing spring 585, so that the negative pressure state inside the negative pressure suction hole 53 disappears.

[0039] In this embodiment: when the electric device 4 is pushed to the top of the mounting plate 3 and the electric device 4 reaches the preset sensing value of the distance sensor 51, the electro-hydraulic push rod 544 will shorten and drive the annular piston plate 543 and the annular piston 542 to move downward through the circular plate 546, and the downwardly moving annular piston 542 will make the inside of the negative pressure suction hole 53 present a negative pressure state, thereby adsorbing and fixing the electric device 4 on the mounting plate 3;

[0040] Then, the electric equipment 4 can be moved to the lower part of the installation position by remote control of the movable base 1, and then the lifting plate 2 can be lifted upward by remote control of the lifting telescopic rod 8, so that the lifting plate 2 drives the connecting plate 52, the negative pressure assembly 54, the mounting plate 3 and the electric equipment 4 to move to the installation position, and then the electric equipment 4 can be installed;

[0041] After the installation of the power equipment 4 is completed, the lifting plate 2 is reset downward by remotely lifting the telescopic rod 8, and the mounting plate 3 is adsorbed on the bottom of the power equipment 4 through the negative pressure suction hole 53, so that the negative pressure component 54 and the connecting plate 52 are fixed below the power equipment 4. When the lifting plate 2 is reset downward, it will drive the distance sensor 51 away from the power equipment 4 through the L-shaped mounting plate 55, so that the electro-hydraulic push rod 544 is reset and drives the annular piston plate 543 and the annular piston 542 to move upward through the circular plate 546, and the upward moving annular piston 542 will squeeze the gas above the inside of the annular sealing air pressure chamber 51, so that the blocking ball 584 is separated from the conical cover 582 and compresses the blocking spring 585, so that the negative pressure state inside the negative pressure suction hole 53 disappears. Once the negative pressure state inside the negative pressure suction hole 53 disappears, the mounting plate 3, the negative pressure component 54 and the connecting plate 52 will fall and follow the lifting plate 2 to reset downward;

[0042] The electric power equipment installation device for buildings can make the interior of the negative pressure suction hole 53 present a negative pressure state by pushing the electric power equipment 4 to the top of the installation plate 3 and making the electric power equipment 4 reach the preset sensing value of the distance sensor 51, so as to adsorb and fix the electric power equipment 4 on the installation plate 3. By remotely controlling the telescopic rod 8 to reset the lifting plate 2 downward, the negative pressure state inside the negative pressure suction hole 53 can be eliminated to release the adsorption effect on the electric power equipment 4, that is, the electric power equipment 4 can be self-fixed and the adsorption effect can be released autonomously.

[0043] Embodiment 2

[0044] like Figure 1-3 As shown, based on the first embodiment, a side auxiliary mechanism 6 for assisting the placement of the electric device 4 is arranged on the outside of the remote-controlled movable base 1. The side auxiliary mechanism 6 includes a side auxiliary plate 61 in contact with the ground. The electric device 4 can be pushed to the top of the mounting plate 3 through the inclined side auxiliary plate 61, and there is no need to manually lift the electric device 4 to the top of the mounting plate 3, thereby saving manpower;

[0045] The side auxiliary mechanism 6 also includes a connecting plate 62 symmetrically fixedly connected to the top of the remote-controlled movable base 1, a slider 63 is rotatably connected to the inner side of the connecting plate 65, and a rotating wheel 64 is evenly rotatably connected to the side auxiliary plate 61 that contacts the ground. The rotating wheel 64 can assist the side auxiliary plate 61 to move following the remote-controlled movable base 1. Slide grooves 65 are provided on both sides of the side auxiliary plate 61, and the slider 63 is slidably connected inside the slide groove 63. When the side auxiliary plate 61 is stored, the slide groove 65 can slide outside the slider 63. The side auxiliary mechanism 6 also includes a groove B66 provided on the side of the remote-controlled movable base 1, and a double-axis motor 67 is installed inside the groove B66. The two output ends of the double-axis motor 67 are fixedly connected to connecting arms 68, and the ends of the two connecting arms 68 are rotatably connected to a U-shaped connecting frame 69 that is rotatably connected to the two sides of the side auxiliary plate 61. By starting the double-axis motor 67, the two connecting arms 68 can drive the side auxiliary plate 61 through the U-shaped connecting frame 69 to store the side auxiliary plate 61 into the groove B66.

[0046] In this embodiment: after the electric device 4 is pushed to the top of the mounting plate 3 by the inclined side auxiliary plate 61, the two connecting arms 68 can be rotated inward by starting the dual-axis motor 67, and the two connecting arms 68 rotating inward drive the side auxiliary plate 61 to approach the groove B66 through the U-shaped connecting frame 69. When the side auxiliary plate 61 approaches the groove B66, the sliding groove 65 on the outside of the side auxiliary plate 61 can slide on the outside of the slider 63, so that the side auxiliary plate 61 can be stored in the inside of the groove B66 to reduce the footprint of the device;

[0047] The electric power equipment installation device for a building can push the electric power equipment 4 to the top of the installation plate 3 through the inclined side auxiliary plate 61, without the need to manually lift the electric power equipment 4 to the top of the installation plate 3, thereby saving manpower, and the side auxiliary plate 61 can be stored into the interior of the groove B66 by starting the dual-axis motor 67 to reduce the footprint of the device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for installing electric power equipment for a building, comprising a remote-controlled movable base (1), a lifting plate (2) arranged above the remote-controlled movable base (1), and a mounting plate (3) arranged above the lifting plate (2), characterized in that: A self-fixing mechanism (5) for self-fixing the electric power equipment (4) is arranged between the lifting plate (2) and the mounting plate (3); the self-fixing mechanism (5) comprises a distance sensor (51) arranged outside the lifting plate (2), a connecting plate (52), and a negative pressure suction hole (53) axially symmetrically opened outside the mounting plate (3); a negative pressure component (54) related to the distance sensor (51) is fixedly connected between the connecting plate (52) and the mounting plate (3); The remote-controlled movable base (1) is provided with a side auxiliary mechanism (6) on the outside for assisting the placement of the electric power equipment (4), and the side auxiliary mechanism (6) comprises a side auxiliary plate (61) in contact with the ground.

2. A building power equipment installation device according to claim 1, characterized in that: The top of the remote-controlled movable base (1) is provided with an empty slot A (7), and a remote-controlled lifting telescopic rod (8) fixedly connected to the lifting plate (2) is installed inside the empty slot A (7).

3. The electric power equipment installation device for buildings according to claim 1, characterized in that: The self-fixing mechanism (5) further comprises an L-shaped mounting plate (55) fixedly connected to the outside of the lifting plate (2) and a limit hole group (56) provided on the outside of the lifting plate (2); the distance sensor (51) is mounted on the inner side of the L-shaped mounting plate (55); and a limit rod group (57) passing through the limit hole group (56) and extending to the inside of the empty slot A (7) is fixedly connected to the bottom of the connecting plate (52).

4. A building power equipment installation device according to claim 2, characterized in that: The negative pressure assembly (54) includes an annular sealed air pressure chamber (541) fixedly connected between the connecting plate (52) and the mounting plate (3); the annular sealed air pressure chamber (541) is communicated with the negative pressure suction hole (53); an annular piston (542) is arranged inside the annular sealed air pressure chamber (541); and an annular piston plate (543) is fixedly connected to the bottom of the annular piston (542).

5. A building power equipment installation device according to claim 4, characterized in that: The negative pressure assembly (54) further comprises an electro-hydraulic push rod (544) fixedly connected to the bottom of the connecting plate (52) and a circular groove (545) provided on the top of the connecting plate (52), wherein the electro-hydraulic push rod (544) is electrically connected to the distance sensor (51), and a circular plate (546) fixedly connected to the annular piston plate (543) is slidably connected inside the circular groove (545).

6. A building power equipment installation device according to claim 4, characterized in that: A one-way pipe fitting (58) is symmetrically arranged on the outside of the annular sealed air pressure chamber (541), and the one-way pipe fitting (58) includes a connecting pipe (581) connected to the annular sealed air pressure chamber (541), and the inside of the connecting pipe (581) is fixedly connected with a conical cover (582) and a cross (583), and the closing end of the conical cover (582) is close to the annular sealed air pressure chamber (541), and the inside of the conical cover (582) is provided with a blocking ball (584), and a blocking spring (585) is fixedly connected between the blocking ball (584) and the cross connecting frame (583).

7. The device for installing electrical equipment for a building according to claim 5, characterized in that: The side auxiliary mechanism (6) further comprises a connecting plate (62) symmetrically fixedly connected to the top of the remote-controlled movable base (1), and a sliding block (63) is rotatably connected to the inner side of the connecting plate (65).

8. A building power equipment installation device according to claim 7, characterized in that: The side of the side auxiliary plate (61) that contacts the ground is evenly rotatably connected to a rotating wheel (64), and both sides of the side auxiliary plate (61) are provided with sliding grooves (65), and the sliding block (63) is slidably connected inside the sliding grooves (63).

9. A building power equipment installation device according to claim 8, characterized in that: The side auxiliary mechanism (6) further comprises a groove B (66) provided on the side of the remote control movable base (1), a dual-axis motor (67) being installed inside the groove B (66), both output ends of the dual-axis motor (67) being fixedly connected to connecting arms (68), and ends of the two connecting arms (68) being rotatably connected to a U-shaped connecting frame (69) rotatably connected to both sides of the side auxiliary plate (61).

10. A method for installing electrical equipment for a building according to claim 9, characterized in that: The following steps are involved: Step 1: First, the electric device (4) is pushed to the top of the mounting plate (3) through the side auxiliary plate (61), so that the electric device (4) reaches the preset sensing value of the distance sensor (51), and then the electro-hydraulic push rod (544) is shortened and drives the annular piston plate (543) and the annular piston (542) to move downward through the circular plate (546). The downwardly moving annular piston (542) causes the inside of the negative pressure suction hole (53) to present a negative pressure state, thereby adsorbing and fixing the electric device (4) on the mounting plate (3); Step 2: After the electric equipment (4) on the mounting plate (3) is fixed by adsorption, the two connecting arms (68) are rotated inward by starting the double-axis motor (67), and the two connecting arms (68) rotating inward drive the side auxiliary plate (61) to approach the groove B (66) through the U-shaped connecting frame (69), so that the side auxiliary plate (61) is stored inside the groove B (66); Step 3: Then, the electric equipment (4) is moved to the lower part of the installation position by remotely controlling the movable base (1), and then the lifting plate (2) is lifted upward by remotely controlling the lifting telescopic rod (8), so that the lifting plate (2) drives the connecting plate (52), the negative pressure assembly (54), the mounting plate (3) and the electric equipment (4) to move to the installation position, and then the electric equipment (4) can be installed; Step 4: After the installation of the power equipment (4) is completed, the lifting plate (2) is reset downward by remotely controlling the telescopic rod (8), and the mounting plate (3) is adsorbed on the bottom of the power equipment (4) through the negative pressure suction hole (53), so that the negative pressure component (54) and the connecting plate (52) are fixed under the power equipment (4). The lifting plate (2) is reset downward to drive the distance sensor (51) away from the power equipment (4), so that the electro-hydraulic push rod (544) is reset to release the negative pressure state inside the negative pressure suction hole (53), so that the mounting plate (3), the negative pressure component (54) and the connecting plate (52) are reset downward along with the lifting plate (2).

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