Installation device of electric power engineering high-voltage cabinet

Abstract

The invention provides an installation device of an electric power engineering high-voltage cabinet, and relates to the field of electric power high-voltage cabinet installation. The installation device of the electric power engineering high-voltage cabinet comprises an equipment main body frame, a power assembly, a stable carrying unit and a hoisting unit, the power assembly is installed at the bottom of the equipment main body frame and used for supporting and transferring the equipment main body frame, and the hoisting unit is installed at the top of the equipment main body frame. According to the installation device for the electric power engineering high-voltage cabinet, two devices are used at the same time, the power assembly can be used for jointly getting close to the two sides of the electric power high-voltage cabinet, the stable carrying unit can be used for supporting the electric power cabinet from the lower portion, pressure can be applied to the side face to protect the side face of the high-voltage cabinet, and then upper lifting is matched; the power cabinet can be protected from the upper portion, the middle portion and the lower portion, so that the power cabinet is more stable in the transferring process, due to the fact that the multiple sliding type hoists are arranged on the upper portion, the power cabinet transferring device is also suitable for power cabinets with single lifting lugs and multiple lifting lugs, stability is better, and power cabinet transferring is safer.

Description

Technical Field

[0001] The present invention relates to the field of electric high-voltage cabinet installation, in particular to an installation device for an electric power engineering high-voltage cabinet. Background Art

[0002] During the construction of power transmission and distribution projects, a large number of high-voltage cabinets and transformer boxes are required. During the specific installation process, they need to be installed on the mounting frame and fixed with bolts. In the traditional installation process, the high-voltage cabinets are manually moved to the front of the mounting frame and kept at a certain height until the bolts are fixed. Only then can the workers loosen the high-voltage cabinets. Currently, the existing technology not only uses manual transportation to install power cabinets, but also uses various forms such as hoisting and clamping.

[0003] For example, existing patent application number CN202411950124.6 discloses a detachable portable gantry crane, which relates to the technical field of power construction equipment and aims to improve the problem of manual handling of protective cabinets, which consumes pulling power and poses a great safety hazard. A detachable portable gantry crane includes two sets of legs and a crossbeam disposed on top of the two sets of legs. The bottom of the legs are provided with several sets of turning wheels for movement; the crossbeam is provided with a lifting assembly for lifting cargo; and a connecting assembly is provided between the crossbeam and each set of legs for fixedly connecting the crossbeam and the legs.

[0004] In the above scheme, only traction ropes and hooks are used to lift the power cabinet. During transportation, the power cabinet is prone to shaking and causing danger. In addition, some power cabinets are only equipped with a simple lifting ring in the middle of the top, which is not reliable during actual lifting. Currently, carrying is the most stable method.

[0005] Alternatively, the prior art application number: CN202221004836.5 discloses an installation device used for a high-voltage cabinet in an electric power engineering project, including a base, a fixed frame is vertically fixedly connected to the rear side of the upper end of the base, a placement mechanism is provided at the front end of the fixed frame, the placement mechanism includes a placement plate, a slide groove is provided at the middle position inside the placement plate, a bidirectional threaded rod is rotatably connected inside the slide groove, a clamping mechanism is provided on the front and rear sides of the slide groove, a plurality of slots are provided at the positions on both sides of the slide groove inside the placement plate, and support rollers are rotatably connected inside the slots.

[0006] Although the above-mentioned installation equipment has a certain degree of stability when in use and achieves a certain degree of lifting effect on the high-voltage cabinet through the placement mechanism, its clamping mechanism is arranged on the surface of the placement plate, that is, the clamping mechanism can only clamp the bottom of the high-voltage cabinet. Therefore, in actual use, since there is no effective clamping component on the upper part of the high-voltage cabinet with a higher height, the high-voltage cabinet is prone to tilt when it shakes during the movement of the equipment, which makes the high-voltage cabinet less safe when moving. Summary of the Invention

[0007] In view of the deficiencies in the prior art, the present invention provides an installation device for a high-voltage cabinet in an electric power engineering project, which solves the problems raised in the above background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: an installation device for a high-voltage cabinet of an electric power engineering project, comprising an equipment main frame, a power assembly, a stable transport unit and a hoisting unit, the power assembly being installed at the bottom of the equipment main frame for supporting and transporting the equipment main frame, and the hoisting unit being installed at the top of the equipment main frame.

[0009] The stable transport unit includes a rectangular beam frame and two sets of protective brackets. The two sets of protective brackets are installed on the rectangular beam frame and can slide and adjust their positions along the Y axis of the coordinate system. The rectangular beam frame is installed on the main frame of the equipment, and the main frame of the equipment can control the rectangular beam frame to slide and adjust its position along the X and Z axes of the coordinate system.

[0010] The lifting unit includes a supporting beam installed at the top of the equipment main frame and multiple sliding hoists installed on the supporting beam. The supporting beam can slide along the Z axis of the coordinate system along the equipment main frame to adjust its position. The sliding hoist can slide along the Y axis of the coordinate system along the supporting beam to adjust its position. Any sliding hoist can also be used to stabilize the upper end of the rectangular beam frame.

[0011] Preferably, the main frame of the equipment includes two longitudinal reinforcement beams, which are L-shaped as a whole. The bottoms of the two longitudinal reinforcement beams are fixed with connecting parts. A hydraulic cylinder A is fixedly installed on one side of the upper end of any longitudinal reinforcement beam. The supporting crossbeam is slidably connected to the two longitudinal reinforcement beams, and the output shaft of the hydraulic cylinder A is fixed to the end of the supporting crossbeam.

[0012] Two supporting arms are fixedly installed in the middle of any longitudinal reinforcement beam, and cross arms are slidably installed on the supporting arms. The cross arms slide along the X-axis of the coordinate system. Hydraulic cylinders B are fixedly installed on the supporting arms below to push and pull the cross arms. The rectangular beam frame is installed at one end of the multiple cross arms away from the longitudinal reinforcement beam and can slide relative to it along the Z-axis direction of the coordinate system.

[0013] A hydraulic cylinder C is fixedly installed at the bottom end of any longitudinal reinforcement beam to lift the rectangular beam frame.

[0014] Preferably, a slide is fixedly installed at one end of the cross arm away from the longitudinal reinforcement beam, and the two vertical ends of the rectangular beam frame are slidably connected to the slide. L-shaped top plates are fixedly installed at the bottom of the two vertical ends of the rectangular beam frame, and the L-shaped top plates are on the output shaft of the hydraulic cylinder C. When the rectangular beam frame is away from the longitudinal reinforcement beam, the L-shaped top plates always remain on the output shaft of the hydraulic cylinder C.

[0015] Preferably, a through-type long groove is provided on the horizontal end above the rectangular beam frame, and the hook of the sliding lifter can be hooked in the long groove and tighten the rectangular beam frame.

[0016] Preferably, the sliding hoist includes a pulley block and a ratchet hoist installed at the bottom of the pulley block, the pulley block is installed above the supporting beam and is slidingly connected thereto, and the ratchet hoist is located below the supporting beam.

[0017] Preferably, a shovel plate is fixedly mounted on the bottom end of the protective bracket, and a protective pad is provided on the inner side of the protective bracket.

[0018] Preferably, the supporting beam is located on one side of the longitudinal reinforcement beam, and an extension tripod is fixedly installed on each end of the supporting beam. The other end of the extension tripod is installed on the longitudinal reinforcement beam and is slidably connected thereto, and the output shaft of the hydraulic cylinder A is fixed to the extension tripod.

[0019] Preferably, the power assembly includes a power box, a hydraulic cylinder D and a universal drive wheel group. The power box is installed between the bottom ends of the two longitudinal reinforcement beams and is used for counterweighting and providing power to the hydraulic cylinder. There are two groups of hydraulic cylinders D, which are installed on both sides of the power box and correspond to the two longitudinal reinforcement beams respectively. The universal drive wheel group is installed on the output shaft of the hydraulic cylinder D. When the hydraulic cylinder D is extended, the universal drive wheel group can be grounded and the longitudinal reinforcement beam can be lifted off the ground.

[0020] Preferably, the universal drive wheel assembly includes a wheel frame mounted on a hydraulic cylinder D and a hydraulic drive wheel capable of rotating ninety degrees relative to the wheel frame.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The installation device of the high-voltage cabinet of the power engineering project uses two devices at the same time. The power components can be used to approach the two sides of the power high-voltage cabinet together. The stable handling unit can support the power cabinet from the bottom, and pressure can be applied on the side to protect the side of the high-voltage cabinet. Combined with the lifting from above, the power cabinet can be protected from top, middle and bottom, so it is more stable during transportation.

[0022] The installation device of the high-voltage cabinet of the power project is applicable to power cabinets with single lifting ears and multiple lifting ears because multiple sliding hoists are arranged on the top. The remaining sliding hoists can also be mounted on the upper end of the rectangular beam frame to keep the upper end of the rectangular beam frame under force. It can not only lift the high-voltage cabinet alone, but also lift the rectangular beam frame. The rectangular beam frame is subjected to upper pressure, upper tension and side extrusion pressure, so it has better stability and is safer to transport the power cabinet.

[0023] The installation device of the high-voltage cabinet of the power project can first lift the power cabinet, and then insert the protective bracket to transport the power cabinet. Even if it is faced with a power cabinet with a seamless bottom, it can be lifted stably.

[0024] The installation device of the high-voltage cabinet of the electric power project is provided with a power component. When the two devices are used together, they can simultaneously have a force to approach the power cabinet. During transportation, there is also a speed difference between the electric drive wheels of the two devices, which can better squeeze the power cabinet and facilitate the transfer of position. Even if the width of the power cabinet is different, it will not be affected. This overcomes the disadvantage of the existing technology that the transportation equipment needs to be set wide enough to cope with power cabinets of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structural state of the present invention; Figure 2 It is a front view of the structure of the present invention; Figure 3 This is a schematic diagram of the second structural state of the present invention; Figure 4 This is a schematic diagram of the third structural state of the present invention; Figure 5 For the present invention Figure 4 A magnified view of the structure at point A; Figure 6 This is a schematic structural diagram of a stable transport unit according to the present invention; Figure 7 For the present invention Figure 6 A magnified view of the structure at B in the middle; Figure 8 It is a structural schematic diagram of the hoisting unit and the supporting beam of the present invention; Figure 9 It is a partial structural diagram of the lifting unit of the present invention.

[0026] In the figure: 1. Equipment main frame; 101. Longitudinal reinforcement beam; 102. Hydraulic cylinder A; 103. Support arm; 104. Cross arm; 105. Hydraulic cylinder B; 106. Hydraulic cylinder C; 107. Slide; 108. L-shaped top plate; 2. Power assembly; 201. Power box; 202. Hydraulic cylinder D; 203. Universal drive wheel group; 2031. Wheel frame; 2032. Hydraulic drive wheel; 3. Stable handling unit; 301. Rectangular beam frame; 302. Protection bracket; 303. Long groove; 304. Protection pad; 305. Shovel plate; 4. Hoisting unit; 401. Support beam; 402. Sliding hoist; 4021. Pulley group; 4022. Ratchet hoist; 403. Extended tripod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0029] In this application, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0031] like Figure 1-9As shown, an installation device for a high-voltage cabinet of an electric power engineering project includes an equipment main frame 1, a power assembly 2, a stable transport unit 3 and a hoisting unit 4. The power assembly 2 is installed at the bottom of the equipment main frame 1 for supporting and transporting the equipment main frame 1, and the hoisting unit 4 is installed at the top of the equipment main frame 1.

[0032] The stable transport unit 3 includes a rectangular beam frame 301 and two sets of protective brackets 302. The two sets of protective brackets 302 are installed on the rectangular beam frame 301 and can slide and adjust their positions along the Y axis of the coordinate system. The rectangular beam frame 301 is installed on the main frame of the equipment 1. The main frame of the equipment 1 can control the rectangular beam frame 301 to slide and adjust its position along the X and Z axes of the coordinate system.

[0033] The lifting unit 4 includes a supporting beam 401 installed at the top of the equipment main frame 1 and multiple sliding hoists 402 installed on the supporting beam 401. The supporting beam 401 can slide along the Z axis of the coordinate system along the equipment main frame 1 to adjust its position, and the sliding hoist 402 can slide along the Y axis of the coordinate system along the supporting beam 401 to adjust its position. Any sliding hoist 402 can also be used to stabilize the upper end of the rectangular beam frame 301.

[0034] The device is usually used in combination of two units, and can also be used alone under special circumstances. The rectangular beam frame 301 is a square structure, and the protective bracket 302 is arranged longitudinally. Sliders are installed on the upper and lower sides of the protective bracket 302. The slider is stuck on the rectangular beam frame 301 and can be manually pulled left and right. Grease needs to be applied regularly between the slider and the rectangular beam frame 301 to ensure that the friction is kept small enough during manual sliding.

[0035] The supporting beam 401 is a linear guide structure, and the sliding hoist 402 can slide manually on the linear guide, and the sliding connection position between the two is also coated with grease to maintain low friction resistance.

[0036] In an optional embodiment, the main frame 1 of the equipment includes two longitudinal reinforcement beams 101, which are L-shaped as a whole. The bottoms of the two longitudinal reinforcement beams 101 are fixed with connecting parts. A hydraulic cylinder A102 is fixedly installed on one side of the upper end of any longitudinal reinforcement beam 101. The supporting beam 401 is slidingly connected to the two longitudinal reinforcement beams 101, and the output shaft of the hydraulic cylinder A102 is fixed to the end of the supporting beam 401.

[0037] Two support arms 103 are fixedly installed in the middle of any longitudinal reinforcement beam 101, and a cross arm 104 is slidably installed on the support arms 103. The cross arm 104 slides along the X-axis of the coordinate system. A hydraulic cylinder B105 is fixedly installed on the support arms 103 below, which is used to push and pull the cross arm 104. The rectangular beam frame 301 is installed at one end of the multiple cross arms 104 away from the longitudinal reinforcement beam 101 and can slide relative to it along the Z-axis direction of the coordinate system.

[0038] A hydraulic cylinder C106 is fixedly installed at the bottom end of any longitudinal reinforcement beam 101 for lifting the rectangular beam frame 301 .

[0039] In this embodiment, the bottom end of the longitudinal reinforcement beam 101 is a right-angle corner structure, and the bottom plane structure of the longitudinal reinforcement beam 101 is rough. When grounded, it can generate strong resistance between the ground and avoid the overall displacement of the equipment after being subjected to the reaction force.

[0040] The support arm 103 is fastened to the longitudinal reinforcement beam 101 by bolts, and the cross arm 104 is perpendicular to the support arm 103 .

[0041] In an optional embodiment, a slide 107 is fixedly installed at one end of the cross arm 104 away from the longitudinal reinforcement beam 101, and the two vertical ends of the rectangular beam frame 301 are slidably connected to the slide 107. An L-shaped top plate 108 is fixedly installed at the bottom of the two vertical ends of the rectangular beam frame 301. The L-shaped top plate 108 is on the output shaft of the hydraulic cylinder C106. When the rectangular beam frame 301 is away from the longitudinal reinforcement beam 101, the L-shaped top plate 108 always remains on the output shaft of the hydraulic cylinder C106.

[0042] In this embodiment, the two vertical ends of the rectangular beam frame 301 are both linear guide structures. The two vertical end structures of the rectangular beam frame 301 cooperate with the slide 107. The L-shaped top plate 108 is fixed to the rectangular beam with bolts. The L-shaped top plate 108 has a certain length. When it is away from the longitudinal reinforcement beam 101, the L-shaped top plate 108 is always above the hydraulic cylinder C106. Within the moving range of the L-shaped plate, the output force of the hydraulic cylinder C106 is sufficient to lift the rectangular beam frame 301.

[0043] In an optional embodiment, a through long slot 303 is provided on the horizontal end above the rectangular beam frame 301 , and the hook of the sliding hoist 402 can be hooked in the long slot 303 and tighten the rectangular beam frame 301 .

[0044] In this embodiment, the long slot 303 occupies eighty percent of the width of the rectangular beam frame 301 , and when the sliding hoist 402 slides along the supporting beam 401 , the hook can always be in the long slot 303 .

[0045] In an optional embodiment, the sliding hoist 402 includes a pulley block 4021 and a ratchet hoist 4022 installed at the bottom of the pulley block 4021, the pulley block 4021 is installed above the supporting beam 401 and is slidingly connected thereto, and the ratchet hoist 4022 is located below the supporting beam 401.

[0046] In this embodiment, the ratchet hoist 4022 can adopt the electric hoist in the existing technology, which can withstand a large pulling force. It is difficult to pull it downward in the opposite direction if it is not unlocked after stopping rotation. A force plate is also installed at the bottom of the pulley group 4021. The force plate can withstand the pressure of the pulley group 4021 on the supporting beam 401 to avoid damage to the axle and bearings of the pulley group 4021.

[0047] In an optional embodiment, a shovel plate 305 is fixedly installed at the bottom end of the protection bracket 302 , and a protection pad 304 is provided on the inner side of the protection bracket 302 .

[0048] In this embodiment, the shovel plate 305 is vertical to the bottom of the protective bracket 302. One end of the shovel plate 305 is thinner and can be inserted into the gap at the bottom of the electric high-voltage cabinet. The protective pad 304 generally adopts a rubber pad, but can also adopt a sponge pad. The protective bracket 302 is close to the side of the electric high-voltage cabinet when in use. The provision of the protective pad 304 will not scratch the electric high-voltage cabinet, nor will it cause the high-voltage cabinet to be squeezed and deformed.

[0049] In an optional embodiment, the supporting beam 401 is located on one side of the longitudinal reinforcement beam 101, and an extension tripod 403 is fixedly installed at both ends of the supporting beam 401. The other end of the extension tripod 403 is installed on the longitudinal reinforcement beam 101 and is slidably connected thereto, and the output shaft of the hydraulic cylinder A102 is fixed to the extension tripod 403.

[0050] In this embodiment, a slider is fixedly installed on one end of the extension tripod 403 away from the supporting beam 401 , and the slider slides on the longitudinal reinforcement beam 101 .

[0051] In an optional embodiment, the power assembly 2 includes a power box 201, a hydraulic cylinder D202 and a universal drive wheel group 203. The power box 201 is installed between the bottom ends of the two longitudinal reinforcement beams 101 and is used for counterweighting and providing power to the hydraulic cylinder. There are two groups of hydraulic cylinders D202, which are installed on both sides of the power box 201 and correspond to the two longitudinal reinforcement beams 101 respectively. The universal drive wheel group 203 is installed on the output shaft of the hydraulic cylinder D202. When the hydraulic cylinder D202 is extended, the universal drive wheel group 203 can be grounded and the longitudinal reinforcement beam 101 can be lifted off the ground.

[0052] In this embodiment, hydraulic components, navigation components, safety components, etc. are installed inside the power box 201, and an electrical system is also installed inside the power box 201, which can realize automatic and manual control of the operation of the equipment.

[0053] In an optional embodiment, the universal drive wheel assembly 203 includes a wheel frame 2031 mounted on the hydraulic cylinder D202 and a hydraulic drive wheel 2032 capable of rotating ninety degrees relative to the wheel frame 2031 .

[0054] In this embodiment, the hydraulic drive wheel 2032 is powered by the hydraulic components inside the power box. The hydraulic drive wheel 2032 can control the steering, making it easier for the equipment to turn and move in complex environments.

[0055] When in use, first move the two devices to the vicinity of the electric high-voltage cabinet. Use the universal drive wheel group 203 of the power assembly 2 to transfer the devices and try to move them to the side that is close to the high-voltage cabinet. Then, if there is a lifting ring on the top of the high-voltage cabinet, move the sliding hoist 402 to the vicinity of the lifting ring, pull down the hook, and hang the hook on the lifting ring. Then start the sliding hoist 402 to tighten the wire rope, and finally lift the power cabinet as a whole upward. If there is a gap at the bottom of the power cabinet that can be embedded, then only the wire rope needs to be tightened, and there is no need to lift the power cabinet off the ground. Then, the hydraulic cylinder B105 is used to push the cross arm 104, so that the rectangular beam frame 301 moves closer to the power cabinet, and then the protective bracket 302 is pressed against the side of the power cabinet, so that the shovel plate 305 at the bottom of the protective bracket 302 is inserted into the gap at the bottom of the power cabinet. Then, the hydraulic cylinder C106 is controlled to lift up, and the shovel plate 305 at the bottom of the protective bracket 302 can be used to lift the entire power cabinet off the ground. During this process, the universal drive wheel groups 203 of the two devices can apply rotational forces in opposite directions, so that the two devices can always be pressed against the power cabinet and will not be separated from the power cabinet due to external forces. Since the power box 201 is heavy, the hydraulic drive wheels 2032 can be controlled to stop, so the stability is better. When the hydraulic cylinder C106 lifts the power cabinet, the hydraulic cylinder B105 will also always apply a top pressure to the rectangular beam frame 301, thereby maintaining the clamping of the two devices on the power cabinet under the premise of cooperating with the universal drive wheel group 203; when the hydraulic cylinder C106 lifts the power cabinet off the ground, the sliding hoist 402 also starts to lift the equipment, thereby achieving upward pulling and downward pushing. At this time, the equipment cannot be transferred immediately, and then the remaining hook of the sliding hoist 402 is pulled down and hooked on the rectangular beam frame 301. After hooking, tighten the lifting equipment to make the wire rope taut. Generally, the lifting ring is set on the top of the equipment and there is a certain distance from the side. Therefore, after tightening the hook, the upper end of the rectangular beam frame 301 can be tightened to make it close to the power cabinet, showing that the sliding hoist 402 and the rectangular beam frame 301 are integrated. At this time, the hydraulic cylinder A102 is controlled to extend to lift the supporting crossbeam 401 upward as a whole. Combined with the top pressure of the hydraulic cylinder C106, there is basically no pressure when lifting the power cabinet. By controlling the rotation of the hydraulic drive wheel 2032, the two devices can cooperate to transport the equipment, and the hydraulic drive wheel 2032 can also turn ninety degrees, so that the equipment can be transported in a variety of ways such as straight line, horizontal, and diagonal, and is applicable to basically all installation environments.

[0056] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0057] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0058] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An installation device for a high-voltage cabinet in an electric power project, characterized in that: The device comprises a main frame (1), a power assembly (2), a stable transport unit (3) and a hoisting unit (4), wherein the power assembly (2) is installed at the bottom of the main frame (1) for supporting and transporting the main frame (1), and the hoisting unit (4) is installed at the top of the main frame (1); The stable transport unit (3) comprises a rectangular beam frame (301) and two sets of protection brackets (302), the two sets of protection brackets (302) are both mounted on the rectangular beam frame (301) and can slide and adjust their positions along the Y axis of the coordinate system, the rectangular beam frame (301) is mounted on the main frame (1) of the equipment, and the main frame (1) of the equipment can control the rectangular beam frame (301) to slide and adjust its position along the X and Z axes of the coordinate system; The hoisting unit (4) includes a supporting beam (401) installed at the top of the equipment main frame (1) and a plurality of sliding hoists (402) installed on the supporting beam (401), wherein the supporting beam (401) can be slidably adjusted along the Z axis of the coordinate system along the equipment main frame (1), and the sliding hoist (402) can be slidably adjusted along the Y axis of the coordinate system along the supporting beam (401), and any one of the sliding hoists (402) can also be used to stabilize the upper end of the rectangular beam frame (301).

2. The installation device for a high-voltage cabinet for electric power engineering according to claim 1, characterized in that: The main frame (1) of the equipment includes two longitudinal reinforcement beams (101), the longitudinal reinforcement beams (101) are L-shaped as a whole, the bottoms of the two longitudinal reinforcement beams (101) are fixed by connecting pieces, a hydraulic cylinder A (102) is fixedly installed on one side of the upper end of any longitudinal reinforcement beam (101), the supporting crossbeam (401) is slidably connected to the two longitudinal reinforcement beams (101), and the output shaft of the hydraulic cylinder A (102) is fixed to the end of the supporting crossbeam (401); Two supporting arms (103) are fixedly mounted in the middle of any longitudinal reinforcement beam (101), and a cross arm (104) is slidably mounted on each supporting arm (103). The cross arm (104) slides along the X-axis of the coordinate system. A hydraulic cylinder B (105) is fixedly mounted on each supporting arm (103) at the bottom for pushing and pulling the cross arm (104). The rectangular beam frame (301) is mounted at one end of the plurality of cross arms (104) away from the longitudinal reinforcement beam (101) and can slide relative thereto along the Z-axis direction of the coordinate system. A hydraulic cylinder C (106) is fixedly mounted on the bottom end of any longitudinal reinforcement beam (101) for lifting the rectangular beam frame (301).

3. The installation device for a high-voltage cabinet for electric power engineering according to claim 2, characterized in that: A slide (107) is fixedly mounted on one end of the cross arm (104) away from the longitudinal reinforcement beam (101), and the two vertical ends of the rectangular beam frame (301) are slidably connected to the slide (107). An L-shaped top plate (108) is fixedly mounted on the bottom of the two vertical ends of the rectangular beam frame (301), and the L-shaped top plate (108) is located on the output shaft of the hydraulic cylinder C (106). When the rectangular beam frame (301) is away from the longitudinal reinforcement beam (101), the L-shaped top plate (108) always remains on the output shaft of the hydraulic cylinder C (106).

4. The installation device for a high-voltage cabinet for electric power engineering according to claim 3, characterized in that: A through-type long groove (303) is provided on the horizontal end above the rectangular beam frame (301), and the hook of the sliding hoist (402) can be hooked in the long groove (303) and tighten the rectangular beam frame (301).

5. The installation device for a high-voltage cabinet for electric power engineering according to claim 4, characterized in that: The sliding hoist (402) comprises a pulley block (4021) and a ratchet hoist (4022) installed at the bottom of the pulley block (4021). The pulley block (4021) is installed above the supporting beam (401) and is slidably connected thereto. The ratchet hoist (4022) is located below the supporting beam (401).

6. The installation device for a high-voltage cabinet for electric power engineering according to claim 5, characterized in that: A shovel plate (305) is fixedly mounted on the bottom end of each of the protection brackets (302), and a protection pad (304) is provided on the inner side of the protection bracket (302).

7. The installation device for a high-voltage cabinet for electric power engineering according to claim 6, characterized in that: The supporting crossbeam (401) is located on one side of the longitudinal reinforcement beam (101), and an extension tripod (403) is fixedly mounted on each end of the supporting crossbeam (401). The other end of the extension tripod (403) is mounted on the longitudinal reinforcement beam (101) and is slidably connected thereto. The output shaft of the hydraulic cylinder A (102) is fixed to the extension tripod (403).

8. The installation device for a high-voltage cabinet for electric power engineering according to claim 7, characterized in that: The power assembly (2) comprises a power box (201), a hydraulic cylinder D (202) and a universal drive wheel group (203). The power box (201) is installed between the bottom ends of the two longitudinal reinforcement beams (101) and is used for counterweighting and providing power to the hydraulic cylinder. Two groups of hydraulic cylinders D (202) are provided, which are installed on both sides of the power box (201) and correspond to the two longitudinal reinforcement beams (101) respectively. The universal drive wheel group (203) is installed on the output shaft of the hydraulic cylinder D (202). When the hydraulic cylinder D (202) is extended, the universal drive wheel group (203) can be grounded and the longitudinal reinforcement beam (101) can be lifted off the ground.

9. The installation device for a high-voltage cabinet for electric power engineering according to claim 8, characterized in that: The universal drive wheel assembly (203) comprises a wheel frame (2031) mounted on a hydraulic cylinder D (202) and a hydraulic drive wheel (2032) capable of rotating ninety degrees relative to the wheel frame (2031).

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