CN106374375A - Movement device for installation of switchgear - Google Patents

Abstract

The invention discloses a switchgear installation mobile device, which includes a lifting device and a multi-directional slide rail, the lifting device includes a base, a supporting structure and a vertical lifting structure; the vertical lifting structure includes a vertically arranged on the base The telescopic cylinder is provided with a column in the Z direction above the telescopic cylinder, and the column is connected to the piston rod of the telescopic cylinder; two lifting devices are arranged symmetrically, and a lateral movement structure in the X direction is arranged between the two lifting devices; The multi-directional slide rail is arranged between two lifting devices and is located below the lateral movement structure. The multi-directional slide rail includes a track seat extending along the Y direction, and two parallel Y-direction slide rails are installed in the track seat. There is an X-direction sliding structure between the Y-direction slide rail and the track seat, and a plurality of plane bearings are set up along the Y-direction on the two Y-direction slide rails. The invention is flexible and convenient to use, can improve work efficiency, reduce labor intensity and reduce safety risks.

Description

A switchgear installation mobile appliance

technical field

The invention belongs to the technical field of electric power construction, and in particular relates to a switchgear installation mobile device.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. The main function of the switch cabinet is to generate, transmit, distribute and In the process of power conversion, switch, control and protect electrical equipment.

In recent years, the number of power engineering projects is increasing day by day, and the engineering volume is large, and the installation demand of switch cabinets is also increasing. The traditional construction method of the installation cabinet is to first move the switch cabinet to the trolley by manpower, and then transport it to the installation location for installation. However, the traditional construction method requires a large amount of manpower, and the safety and stability are poor.

Although there are forklifts, cranes and other equipment on the market that can be used for heavy objects, the operation of forklifts and cranes is complicated, and professional drivers are mainly responsible for the operation. It is difficult to precisely control and there are potential safety hazards.

To sum up, there is an urgent need for a switchgear installation mobile device to solve the current vacancies, so as to improve work efficiency, reduce safety risks, and overcome the technical defects of traditional construction.

Contents of the invention

In order to solve the problems in the prior art, the present invention provides a switch cabinet installation mobile appliance, which is flexible and convenient to use, can improve work efficiency, reduce labor intensity, and reduce safety risks.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a switchgear installation mobile appliance, which includes a lifting device and a multi-directional slide rail, and the lifting device includes a base, a supporting structure and a vertical lifting structure;

The vertical lifting structure includes a telescopic cylinder vertically arranged on the base, and a three-dimensional coordinate system is established with the extension direction of the telescopic cylinder as the Z direction. Both the X direction and the Y direction are perpendicular to the Z direction and form a horizontal plane. There is a column in the Z direction, and the column is connected with the piston rod of the telescopic cylinder. The outer cover of the column is provided with a guide sleeve that slides with it. The guide sleeve is fixed with a guide sleeve positioning rod, and the guide sleeve positioning rod is fixedly connected with the base;

The support structure includes a triangular support frame respectively arranged on both sides of the vertical lifting structure, the triangular support frame is composed of two inclined arms, the lower ends of the two arms are fixedly connected with the base, and the two arms The upper ends are fixedly docked to form the apex of the triangular support frame; a Y-direction cross arm is arranged between the two triangular support frames, and the two ends of the cross arm are respectively fixedly connected with the vertices of the two three support frames; A guide hole is provided at the corresponding position of the column of the vertical lifting structure, and the column passes through the guide hole;

There are two lifting devices arranged symmetrically, and a lateral movement structure in the X direction is arranged between the two lifting devices. Column fixed connection;

The multi-directional slide rail is arranged between two lifting devices and is located below the lateral movement structure. The multi-directional slide rail includes a track seat extending along the Y direction, and two parallel Y-direction slide rails are installed in the track seat. There is an X-direction sliding structure between the Y-direction slide rail and the track seat. There are multiple plane bearings on the two Y-direction slide rails along the Y-direction. The plane bearings are composed of a plane cage with balls and a plane washer. The ball protrudes above the plane cage, and the plane washer is in contact with the upper side of the two Y-direction slide rails. The plane washer of each plane bearing is fixedly connected with a bearing top block, and the bearing top block is located on the two Y-direction slide rails. between the slide rails;

The X-direction sliding structure is arranged at both ends of the track seat, the X-direction sliding structure includes an X-direction slide groove opened on the track seat, and each Y-direction slide rail is fixedly connected with the X-direction slide rail. The X-direction slider with groove fit, the X-direction slider and the X-direction chute form a sliding fit, and the same two-way adjusting screw is installed on the two X-direction sliders, and the forward thread part of the two-way adjusting screw is connected to one of them. The X-direction slider is positively threaded, and the reverse thread part of the two-way adjusting screw is connected with the other X-direction slider by reverse thread;

The bearing top block, the X-direction sliding structure and the two Y-direction slide rails form an openable and closable locking mechanism for the plane bearing.

A crown block with a hook is arranged on the beam.

The beam is an I-beam, the car body of the crown block is arranged under the I-beam, and there are at least 4 pulleys of the crown block, which are arranged symmetrically between the upper and lower wings on both sides of the web of the I-beam .

A plurality of guide sleeves are arranged along the Z-direction of the column, and each guide sleeve is fixedly connected with the positioning rod of the guide sleeve.

Described telescopic cylinder selects jack for use.

The telescopic cylinder is a hydraulic cylinder, and the hydraulic cylinders of the two lifting devices are connected with the same hydraulic station.

A Y guide groove is provided at a position corresponding to the bearing top block on the track seat, and the bearing top block is located in the Y guide groove and slidably fits therewith.

One end of the two-way adjusting screw is configured as a hexagonal prism.

There are two multidirectional sliding rails arranged in parallel.

The beneficial effects of the present invention are:

1. The present invention solves the vacancies existing in the construction and installation of the current switchgear. It is flexible and convenient to use. When used at the work site, it is easy to move and place, easy to disassemble and transfer, and can be used in multiple construction sites. The invention improves the work efficiency, reduces the labor intensity and shortens the working time during the in-place installation of the switchgear, realizes the smooth lifting of the equipment transportation, improves the safety factor to a certain extent, reduces the safety risk, and is safe for the switchgear. It has a very good protective effect, reduces the inconvenience of installing the switch cabinet in place in the past, and provides convenience for the installation and construction of the switch cabinet.

2. The present invention realizes that the orientation can be adjusted at different angles during the equipment transportation process, realizes 360° random rotation to adjust the angle, meets different installation angles of the switch cabinet, is flexible and convenient to use, can meet the use in various construction environments, is easy to install, and saves labor force.

3. The present invention includes a lifting device, the lifting device includes a base, a support structure and a vertical lifting structure, two lifting devices are arranged symmetrically, and a lateral movement structure is arranged between the two lifting devices. During work, the switch cabinet The vertical lifting structure can realize the lifting adjustment of the switch cabinet through the hook hanging on the horizontal moving structure, the horizontal moving structure can realize the horizontal moving adjustment of the switch cabinet, and the supporting structure plays a role of supporting and stabilizing the whole lifting device.

The vertical lifting structure includes a telescopic cylinder vertically arranged on the base, and a three-dimensional coordinate system is established with the extension direction of the telescopic cylinder as the Z direction. Both the X direction and the Y direction are perpendicular to the Z direction and form a horizontal plane. There is a column in the Z direction, and the column is connected with the piston rod of the telescopic cylinder. The outer cover of the column is provided with a guide sleeve that slides with it. The guide sleeve is fixed with a guide sleeve positioning rod. Through the above design, the lifting structure controls the expansion and contraction of the telescopic cylinder to drive the column to lift under the guidance of the guide sleeve, and then drives the horizontal movement structure connected to the column to lift up and down, so as to realize the lifting adjustment of the switch cabinet in the Z direction.

The support structure includes a triangular support frame respectively arranged on both sides of the vertical lifting structure, the triangular support frame is composed of two inclined arms, the lower ends of the two arms are fixedly connected with the base, and the two arms The upper ends are fixedly docked to form the apex of the triangular support frame; a Y-direction cross arm is arranged between the two triangular support frames, and the two ends of the cross arm are respectively fixedly connected with the vertices of the two three support frames; A guide hole is provided at the corresponding position of the column of the vertical lifting structure, and the column passes through the guide hole. The support structure forms a secondary support for the column through the above design, and the setting of the triangular support frame ensures that the entire lifting The stability of the device ensures the smooth handling of the equipment, prevents the lifting device from tipping over, improves the safety factor, and reduces safety risks.

The lateral movement structure includes a crossbeam arranged along the X direction, the two ends of the crossbeam are respectively fixedly connected with the columns of the two lifting devices, and the crossbeam is provided with a crane with a hook. The movement on the beam drives the switchgear to realize the lateral movement adjustment in the X direction.

5. The present invention also includes a multi-directional slide rail arranged between the hoisting devices and below the laterally moving structure. The multi-directional slide rail includes a track seat extending along the Y direction, and two parallel Y rails are installed in the track seat. There is an X-direction sliding structure between the Y-direction slide rail and the track seat. There are multiple plane bearings on the two Y-direction slide rails along the Y-direction. The plane bearings are composed of a plane cage with balls and a plane washer. , and the ball protrudes above the plane cage, the plane washer is in contact with the upper side of the two Y-direction slide rails, the plane washer of each plane bearing is fixedly connected with a bearing top block, and the bearing top block is located on the two sides Between the two Y-direction slide rails; when working, the switchgear is placed on the plane bearings on the two Y-direction slide rails, and the bottom of the switchgear is in contact with the balls of the plane bearings, so that the switchgear can be adjusted at different angles during transportation , to achieve 360° free rotation to adjust the angle, flexible and convenient to use, can be used in various construction environments, easy to install, and save labor.

The X-direction sliding structure is arranged at both ends of the track seat, the X-direction sliding structure includes an X-direction slide groove opened on the track seat, and each Y-direction slide rail is fixedly connected with the X-direction slide rail. The X-direction slider with groove fit, the X-direction slider and the X-direction chute form a sliding fit, and the same two-way adjusting screw is installed on the two X-direction sliders, and the forward thread part of the two-way adjusting screw is connected to one of them. The X-direction slider is positively threaded, and the reverse thread part of the two-way adjustment screw is connected with the other X-direction slider; the setting of the X-direction sliding structure realizes the adjustment of the Y-direction slide rail in the X direction. When the two-way adjusting screw is rotated in the forward direction, the two Y-direction slide rails are relatively expanded, and the distance between the two Y-direction slide rails is enlarged under the guidance of the X-direction chute; The two-way rotating screw rod drives the two Y-direction slide rails to shrink relatively, and the distance between the two Y-direction slide rails is reduced under the guidance of the X-direction slide grooves.

The bearing top block, the X-direction sliding structure and the two Y-direction slide rails form an openable locking mechanism for the plane bearing, and the distance between the two Y-direction slide rails is adjusted through the X-direction slide structure so that the two Y-direction slide rails The slide rail clamps or loosens the bearing top block between them;

The openable locking mechanism can adjust the layout spacing of the plane bearings according to the size of the switch cabinet during operation. When adjusting, first adjust the X-direction sliding structure to increase the distance between the two Y-direction slide rails, so that the two Y-direction slide rails Rails loosen the bearing top block between them, then adjust the plane bearings to a suitable layout spacing, and then adjust the X-direction sliding structure to make the distance between the two Y-direction slide rails smaller, so that the two Y-direction slide rails clamp the bearings in between Top block, complete adjustment.

6. The guide sleeves are arranged in multiples along the axial direction of the column, and each guide sleeve is fixedly connected with the positioning rod of the guide sleeve, which has a good guiding effect on the column and ensures that the column does not move when lifting the switch cabinet. It will be offset and stuck.

The beam is an I-beam, the car body of the crown block is arranged under the I-beam, and there are at least 4 pulleys of the crown block, which are symmetrically arranged on the upper wing plate and the lower plate on both sides of the web of the I-beam. Between the wing plates, the above-mentioned structure realizes the movement of the crane on the I-beam, and has a simple structure, is easy to install, and has low cost, and prevents the crane from shifting and sliding out of the I-beam.

7. There is a Y guide groove on the track seat corresponding to the position of the bearing top block, and the bearing top block is located in the Y guide groove and slidably fit with it, so as to guide the plane bearing when adjusting the arrangement distance of the plane bearing role to avoid its offset.

One end of the two-way adjusting screw is configured as a prism structure, which is convenient for tools such as a wrench to rotate and adjust the two-way adjusting screw.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left side view of hoisting device in Fig. 1;

Fig. 3 is a left view of the crane part in Fig. 1;

Fig. 4 is the plan view of multidirectional slide rail in Fig. 1;

Fig. 5 is A-A sectional schematic diagram among Fig. 4;

Fig. 6 is a schematic cross-sectional view of BB in Fig. 4 .

detailed description

The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1 to Fig. 6, a switchgear installation mobile appliance of the present invention includes a hoisting device and a multi-directional slide rail 32, and the hoisting device includes a base 1, a supporting structure and a vertical lifting structure.

The vertical lifting structure includes a telescopic cylinder 2 vertically arranged on the base 1. A three-dimensional coordinate system is established with the extension direction of the telescopic cylinder as the Z direction. The X and Y directions are perpendicular to the Z direction and form a horizontal plane. The telescopic cylinder 2 There is a Z-direction column 3 above the top of the column, and the column 3 is connected with the piston rod of the telescopic cylinder 2. The outer 3 sets of the column are provided with a guide sleeve 4 that slides with it, and the guide sleeve 4 is fixedly provided with a guide sleeve positioning rod 5. The sleeve positioning rod 5 is fixedly connected with the base 1; the guide sleeves 4 are arranged in multiples along the axial direction of the column 3, and each guide sleeve 4 is fixedly connected with the guide sleeve positioning rod 5.

The support structure includes a triangular support frame respectively arranged on both sides of the vertical lifting structure. The triangular support frame is composed of two inclined arms 6, the lower ends of the two arms 6 are fixedly connected to the base 1, and the two The upper end of the support arm 6 is fixedly docked to form the apex of the triangular support frame; a Y-directed horizontal support arm 7 is arranged between the two triangular support frames, and the two ends of the horizontal support arm 7 are fixedly connected to the vertices of the two three support frames respectively ; A guide hole 8 is provided at a position corresponding to the column 3 of the vertical lifting structure on the horizontal support arm 7 , and the column 3 passes through the guide hole 8 . The setting of the triangular support frame ensures the stability of the entire lifting device, ensures the smooth handling of the equipment, prevents the lifting device from tipping over, improves the safety factor, and reduces safety risks.

There are two lifting devices arranged symmetrically, and a lateral movement structure in the X direction is arranged between the two lifting devices. The column 3 of the device is fixedly connected, and the crossbeam 9 is provided with a crane 10 with a hook.

The beam 9 is an I-beam, the car body of the crane 10 is arranged under the I-beam, the pulleys 12 of the crane 10 are provided with at least 4, and symmetrically arranged on both sides of the web 13 of the I-beam. Between the upper and lower wing plates 14.

In this embodiment, the telescopic cylinder 2 is a jack. Telescopic cylinder 2 also can select hydraulic cylinder for use, and the hydraulic cylinder of two hoisting devices is connected with same hydraulic station.

When working, the switchgear 11 is hung on the lateral moving structure by the hook, the vertical lifting structure can realize the lifting adjustment of the switchgear 11, the lateral moving structure can realize the lateral moving adjustment of the switchgear 11, and the supporting structure plays a role in controlling the whole The supporting and stabilizing effect of the lifting device.

When the vertical lifting structure lifts and adjusts the switch cabinet 11, the telescopic cylinder 2 is controlled to drive the column 3 to lift under the guidance of the guide sleeve 4, and then drives the horizontal moving structure connected to the column 3 to lift up and down, so as to realize the The switchgear 11 is adjusted in the Z direction.

Lateral Movement Structure When adjusting the lateral movement of the switch cabinet 11 , the movement of the crane 10 on the beam 9 drives the switch cabinet 11 to realize the lateral movement adjustment in the X direction.

The multidirectional slide rail 32 is arranged between the hoisting devices and is located below the laterally moving structure. The multidirectional slide rail 32 includes a track seat 21, and the extension direction of the track seat 21 is perpendicular to the crossbeam 9, with the track seat 21 The extension direction is the Y direction to establish a three-dimensional coordinate system, the X direction is perpendicular to the Y direction and forms a horizontal plane, the Z direction is upward and perpendicular to the horizontal plane formed by the X and Y directions, and two parallel Y-direction slide rails are installed in the track seat 22. There is an X-direction sliding structure between the Y-direction slide rail 22 and the track seat 21. A plurality of plane bearings 23 are set on the two Y-direction slide rails 22 along the Y direction. The plane bearings 23 are composed of a plane cage with balls 24 25 and plane washer 26, and the ball 24 protrudes above the plane cage 25, the plane washer 26 is in contact with the upper side of the two Y-direction slide rails 22, and the plane washer 26 of each plane bearing 23 is A bearing top block 27 is fixedly connected, and the bearing top block 27 is located between the two Y-direction slide rails 22 .

A Y guide groove 31 is provided at a position corresponding to the bearing top block 27 on the track seat 21 , and the bearing top block 27 is located in the Y guide groove 31 and slidably fits therewith.

The X-direction sliding structure is arranged at both ends of the track base 21, and the X-direction sliding structure includes an X-direction chute 28 provided on the track base 21, and each Y-direction slide rail 22 is fixedly connected with the The X-direction slider 29 that is matched with the X-direction chute 28, the X-direction slider 29 and the X-direction chute 28 form a sliding fit, and the same two-way adjusting screw 30 is installed on the two X-direction sliders 29, and the two-way The forward threaded portion of the adjusting screw 30 is forwardly threaded with one of the X-direction sliders, and the reverse threaded portion of the two-way adjusting screw 30 is reversely threaded with the other one of the X-direction sliders. One end of the two-way adjusting screw 30 is configured as a hexagonal prism, which is convenient for tools such as a wrench to rotate and adjust the two-way adjusting screw.

The setting of the X-direction sliding structure realizes the adjustment of the Y-direction slide rails 22 in the X-direction. During the adjustment, the two-way Y-direction slide rails 22 are relatively expanded by rotating the two-way adjusting screw 30 in the forward direction, and the two Y-direction slide rails 22 are in the X direction. Under the guidance of the chute 28, the distance between the two Y-direction slide rails 22 becomes larger; during adjustment, the two-way Y-direction slide rails 22 are relatively shrunk by rotating the two-way adjusting screw 30 in the opposite direction, and the two Y-direction slide rails 22 Under the guidance of the X-direction slide groove 28, the distance between the two Y-direction slide rails 22 becomes smaller.

The bearing top block 27, the X-direction sliding structure and the two Y-direction slide rails 22 form an openable locking mechanism for the plane bearing 23, and the distance between the two Y-direction slide rails 22 is adjusted through the X-direction slide structure, so that The two Y-direction slide rails 22 clamp or loosen the bearing top block 27 therebetween.

The openable locking mechanism can adjust the layout spacing of the plane bearings 23 according to the size of the switch cabinet during operation. When adjusting, first adjust the X-direction sliding structure to make the distance between the two Y-direction slide rails 22 larger, so that the two Y Loosen the bearing top block 27 between the slide rails 22, then adjust the planar bearings 23 to a suitable layout spacing, and then adjust the X-direction sliding structure to make the distance between the two Y-direction slide rails 22 smaller, so that the two Y-direction slides The rails 22 clamp the bearing top block 27 therebetween to complete the adjustment.

In this embodiment, two multi-directional sliding rails 32 are arranged in parallel to improve the carrying capacity and transport stability.

Due to the setting of multi-directional slide rails, the switchgear 11 is placed on the plane bearings 23 on the two Y-direction slide rails 22 during operation, and the bottom of the switchgear 11 is in contact with the balls 24 of the plane bearings 23, which realizes the switchgear during transportation. The azimuth can be adjusted at different angles, and the angle can be adjusted freely by 360° rotation to meet the different installation angles of the switchgear. It is flexible and convenient to use, easy to install, and saves labor. Moreover, the ball 24 of the plane bearing 23 can also have the effect of a roller, and the switch cabinet can move in the Y direction on the multi-directional slide rail. In addition, the rotation of the switch cabinet during the movement also facilitates the switch cabinet to pass through the indoor passageway. Rotate the switchgear so that the narrow side faces the access passage to improve the passing rate.

In the specific application, the lifting device is arranged at the basic position of the equipment, and the multi-directional slide rail extends to the crane. Angle to make it meet the installation angle, and then use the lifting device to stably seat the switch cabinet to the switch cabinet foundation.

The invention solves the vacancies existing in the construction and installation of the current switchgear. It is flexible and convenient to use. When used in a work site, it is convenient to move and fit in place, easy to disassemble and transfer, and can be used in multiple construction sites. The invention improves the work efficiency, reduces the labor intensity and shortens the working time during the in-place installation of the switchgear, realizes the smooth lifting of the equipment transportation, improves the safety factor to a certain extent, reduces the safety risk, and is safe for the switchgear. It has a very good protective effect, reduces the inconvenience of installing the switch cabinet in place in the past, and provides convenience for the installation and construction of the switch cabinet.

The invention realizes the adjustment of orientation at different angles during the equipment transportation process, realizes 360° random rotation and adjustment of angles, meets different installation angles of switch cabinets, is flexible and convenient to use, can be used in various construction environments, is easy to install, and saves labor.

The above embodiments are only used to illustrate and not limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that the present invention can still be modified or equivalently replaced without departing from it. Any modifications or partial replacements within the spirit and scope of the present invention shall fall within the scope of the claims of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "X direction", "Y direction" and "Z direction" are based on the orientation or positional relationship shown in the drawings, and are only for convenience The description of the present invention and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated for a specific orientation, and thus should not be construed as limiting the scope of protection of the present invention.

Claims (9)

1. A switchgear installation mobile device is characterized in that: it includes a lifting device and a multidirectional slide rail, and the lifting device includes a base, a supporting structure and a vertical lifting structure; The vertical lifting structure includes a telescopic cylinder vertically arranged on the base, and a three-dimensional coordinate system is established with the extension direction of the telescopic cylinder as the Z direction. Both the X direction and the Y direction are perpendicular to the Z direction and form a horizontal plane. There is a column in the Z direction, and the column is connected with the piston rod of the telescopic cylinder. The outer cover of the column is provided with a guide sleeve that slides with it. The guide sleeve is fixed with a guide sleeve positioning rod, and the guide sleeve positioning rod is fixedly connected with the base; The support structure includes a triangular support frame respectively arranged on both sides of the vertical lifting structure, the triangular support frame is composed of two inclined arms, the lower ends of the two arms are fixedly connected with the base, and the two arms The upper ends are fixedly docked to form the apex of the triangular support frame; a Y-direction cross arm is arranged between the two triangular support frames, and the two ends of the cross arm are respectively fixedly connected with the vertices of the two three support frames; A guide hole is provided at the corresponding position of the column of the vertical lifting structure, and the column passes through the guide hole; There are two lifting devices arranged symmetrically, and a lateral movement structure in the X direction is arranged between the two lifting devices. Column fixed connection; The multi-directional slide rail is arranged between two lifting devices and is located below the lateral movement structure. The multi-directional slide rail includes a track seat extending along the Y direction, and two parallel Y-direction slide rails are installed in the track seat. There is an X-direction sliding structure between the Y-direction slide rail and the track seat. There are multiple plane bearings on the two Y-direction slide rails along the Y-direction. The plane bearings are composed of a plane cage with balls and a plane washer. The ball protrudes above the plane cage, and the plane washer is in contact with the upper side of the two Y-direction slide rails. The plane washer of each plane bearing is fixedly connected with a bearing top block, and the bearing top block is located on the two Y-direction slide rails. between the slide rails; The X-direction sliding structure is arranged at both ends of the track seat, the X-direction sliding structure includes an X-direction slide groove opened on the track seat, and each Y-direction slide rail is fixedly connected with the X-direction slide rail. The X-direction slider with groove fit, the X-direction slider and the X-direction chute form a sliding fit, and the same two-way adjusting screw is installed on the two X-direction sliders, and the forward thread part of the two-way adjusting screw is connected to one of them. The X-direction slider is positively threaded, and the reverse thread part of the two-way adjusting screw is connected to the other X-direction slider by reverse thread; The bearing top block, the X-direction sliding structure and the two Y-direction slide rails form an openable and closable locking mechanism for the plane bearing. 2. The switchgear installation mobile device according to claim 1, characterized in that: the crossbeam is provided with a crane with a hook. 3. The switchgear installation mobile device according to claim 2, characterized in that: the beam is an I-beam, the body of the crane is arranged under the I-beam, and the pulley of the crane is provided with at least 4 One, and symmetrically arranged between the upper and lower flanges on both sides of the web of the I-beam. 4. The switchgear installation mobile device according to any one of claims 1-3, characterized in that: the guide sleeves are arranged in multiples along the Z direction of the column, and each guide sleeve is connected with the guide sleeve The positioning rod is fixedly connected. 5. The switchgear installation mobile device according to any one of claims 1-3, characterized in that: a jack is used for the telescopic cylinder. 6. The switchgear installation mobile device according to any one of claims 1-3, characterized in that: the telescopic cylinder is a hydraulic cylinder, and the hydraulic cylinders of the two lifting devices are connected to the same hydraulic station. 7. The switchgear installation mobile device according to claim 1, characterized in that: a Y guide groove is provided on the track seat corresponding to the bearing top block, and the bearing top block is located in the Y guide groove and slides with it Cooperate. 8. The switchgear installation mobile device according to claim 1, characterized in that: one end of the two-way adjusting screw is configured as a hexagonal prism. 9. The switchgear installation mobile device according to claim 1, characterized in that: two multi-directional slide rails are arranged in parallel.