CN110104593A - A kind of electric power overhaul electric pole repairing frame that function is moved with automatic lifting - Google Patents

Abstract

The invention discloses a utility pole maintenance frame with automatic lifting and movable function for electric power maintenance. , the working box is arranged on the upper wall of the base, and the upper wall of the working box is provided with an opening, the lifting plate is movably arranged at the opening of the upper wall of the working box, a lifting unit is installed in the working box, and the base side A mobile unit is installed on the wall surface, the beneficial effects of the present invention are that the height is adjustable, the safety performance is high, and the operation is convenient, which can be operated by one person.

Description

A utility pole maintenance stand with automatic lifting and movable function for electric power maintenance

technical field

The invention relates to the field of utility pole maintenance, in particular to a utility pole maintenance stand with automatic lifting and movable functions for electric power maintenance.

Background technique

Telephone poles, as the name suggests, are poles for electric wires, which appeared in various rural areas - fields - roads - streets. Due to the development of steel and reinforced concrete and technical requirements, these two materials replaced most of the wooden poles, and the applicable wood is gradually scarce, and it is basically difficult to see wooden poles in the city. , But in some less developed places, wooden poles are also used to set up telephone lines, because wooden poles are light in weight, easy to install, and the load-bearing and tensile force of telephone lines are small, wooden poles can be competent, if the telephone line is changed, the pole can also be moved. It is convenient, so there are still some wooden telephone poles.

With the progress of society, the places where electricity is used is more and more extensive, and the places where the poles are placed are also increasing. However, the wires installed on the poles are exposed to the wind and the sun all the year round, and are prone to short-circuits and other conditions that need to be repaired. Nowadays, most of the maintenance wires are manually climbed, and the poles are too high and unsafe. Every year, there are tragedies in which maintenance workers accidentally fall, and the toolbox is extremely heavy and inconvenient to carry. There is this case.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, and design a utility pole maintenance frame with automatic lifting and movable function for electric power maintenance.

The technical scheme of the present invention to achieve the above-mentioned purpose is that a utility pole maintenance frame with automatic lifting and movable function for electric power maintenance includes a base, a work box and a lifting plate, and the side wall surface of the base is provided with a groove, and the base is provided with a groove. There is a rectangular slot in the center of the seat, the working box is arranged on the upper wall of the base, and the upper wall of the working box is provided with an opening, the lifting plate is movably arranged at the opening of the upper wall of the working box, and a lifting unit is installed in the working box , a mobile unit is installed on the side wall surface of the base;

The lifting unit includes: a movement mechanism and a protection mechanism;

The motion mechanism includes: a fixed base, a fixed slide rail, a movable rod, a transmission shaft, a first gear, a chain, a slider, a fixed block, a base, a fixed ring and a hydraulic cylinder;

The fixed bottom plate is arranged on the inner lower wall of the working box, the fixed slide rail is arranged on the upper wall of the fixed base, the movable rod is arranged on the lower wall of the lifting plate, and the movable rod is provided with a through groove, and the movable rod is on the side of the through groove. The wall surface is provided with a pair of through holes with the same structure, the transmission shaft is inserted into the through slot of the movable rod, the first gear is arranged in the through slot of the movable rod, and the center hole is sleeved on the transmission shaft, and the fixed block is arranged in the through slot of the movable rod. On the inner side wall surface of the cavity of the working box, the slider is embedded in the fixed slide rail chute, the chain is arranged between the fixed block and the slider, and the chain is arranged above the first gear through the through slot of the movable rod , and meshes with the first gear, the base is arranged on the side wall surface of the fixed slide rail, the fixing ring is arranged on the side wall surface of the fixed slide rail and above the base, the hydraulic cylinder is arranged on the upper wall surface of the base, and is sleeved on the fixing ring inside, the hydraulic cylinder driving end is arranged on the lower wall surface of the movable rod;

The protection mechanism includes: a detachable fence and an L-shaped detachable tool board;

The detachable fence is arranged on the wall surface of the lift plate, and the side wall surface of the L-shaped detachable tool board is provided with a pair of fixed hooks with the same structure, and is movably arranged on the upper edge of the detachable fence through a pair of the hooks;

The moving unit includes: a clamping mechanism and a sliding mechanism.

The clamping mechanism includes: a motor box, a first servo motor, a first threaded rod, a pair of clamping rods with the same structure, a pair of arc rods with the same structure, a pair of fixing rods with the same structure, and a first Fastening bolts;

The motor box is arranged in the groove of the side wall of the base, and the front wall of the motor box is provided with a circular through hole, the first servo motor is arranged on the inner side wall of the motor box, and the driving end of the first servo motor passes through the circular hole of the motor box. The first threaded rod is arranged at the driving end of the first servo motor, and the other end of the first threaded rod is provided with a restriction block, and a pair of threaded holes with the same structure are opened at the lower part of a pair of the clamping rods, and are sleeved In the first threaded rod, both ends of a pair of the arc-shaped rods are provided with installation holes, and are sleeved on the top of the pair of the clamping rods, and the pair of the fixing rods are inserted into the other side of the pair of the arc-shaped rods. One end is installed in the hole, and the other end is provided with a threaded hole, and the first fastening bolt is screwed into a pair of the threaded holes.

The sliding mechanism comprises: two pairs of self-locking pulleys with the same structure, a second servo motor, a pair of rotating rods with the same structure, a pair of second gears with the same structure, and a pair of bearing rods with the same structure;

Two pairs of the self-locking pulleys are placed on the lower wall of the base, the second servo motor is placed on the rear wall of the rectangular groove in the base, one of the pair of rotating rods is placed on the driving end of the second servo motor, and the other is placed on the driving end of the second servo motor. One of the center holes of the second gear is sleeved on the rotating rod arranged on the second servo motor, the other of the pair of the second gears is meshed with it, and one rod is inserted into the rotating rod collar. In the center hole of the pair of the other second gears, a through hole is formed in the upper part of the pair of the bearing plates, and is inserted into the pair of the rotating rods.

The motion mechanism includes: a mounting base plate, a carrier plate, a pair of connecting blocks with the same structure, a pair of V-shaped rods with the same structure, a pair of stepped rods with the same structure, a second threaded rod, a third servo motor, Motor chute and threaded rod chute;

The mounting base plate is arranged on the inner lower wall of the work box, the object carrier is arranged on the lower wall surface of the lifting plate, a pair of the connecting blocks are respectively arranged on the upper wall surface of the installation base plate and the lower wall surface of the object carrier, and a pair of the V-shaped Both ends of the rod are provided with through holes, and one end is movably arranged on the front wall surface of a pair of the connecting blocks. For threaded holes with the same structure, the second threaded rod is screwed into a pair of the stepped rod threaded holes, the motor chute is arranged on the inner side wall of the work box, and the third servo motor is arranged in the motor chute. , and the driving end is arranged at one end of the second threaded rod, the threaded rod chute is arranged on the other end sidewall surface of the working box, and the chute of the threaded rod sliding rail is movably connected with the other end of the second threaded rod.

The clamping mechanism includes: a pair of clamping rods with the same structure, a clamping rod slide rail and a second clamping bolt;

The clamping rod is arranged in the groove on the side wall of the base, a pair of the tightening rods are arranged in the chute of the clamping rod slide rail, and the other end is provided with a pair of threaded through holes with the same structure. The fixing bolts are screwed into the pair of threaded through holes.

Gaskets are installed on the inner wall surfaces of both ends of the chute of the motor chute, the threaded rod chute and the clamping rod slide rail;

This spacer is used to prevent damage from collisions between devices.

A protection box is installed between the third servo motor and the motor chute;

The protective box is used to protect and fix the servo motor.

A supporting round rod is installed between the base and the fixed bottom plate;

The supporting rod is used to fix the hydraulic cylinder and the lifting unit.

Bearings are installed between the two ends of the lift plate, the motor chute and the threaded rod chute;

This bearing is used to prevent friction between the lift plate and the motor and threaded rod chutes.

Description of drawings

1 is a schematic structural diagram of a cleaning vehicle with the function of vacuuming, cleaning and cooling according to the present invention;

FIG. 2 is a schematic side view of the structure of a cleaning vehicle with the function of vacuuming, cleaning and cooling according to the present invention;

3 is a schematic top view of the structure of a cleaning vehicle with the function of vacuuming, cleaning and cooling according to the present invention;

4 is a schematic structural diagram of a cleaning vehicle with a function of vacuuming, cleaning and cooling according to Embodiments 2 and 3 of the present invention;

5 is a schematic side view of the structure of a cleaning vehicle with a vacuuming, sweeping and cooling function according to Embodiments 2 and 3 of the present invention;

6 is a top-view structural schematic diagram of a cleaning vehicle with a vacuuming, sweeping and cooling function according to Embodiments 2 and 3 of the present invention;

In the figure, 1, the base; 2, the work box; 3, the lifting plate; 4, the fixed base; 5, the fixed slide rail; 6, the movable rod; 7, the transmission shaft; 8, the first gear; 9, the chain; 10 , slider; 11, fixed block; 12, base; 13, fixed ring; 14, hydraulic cylinder; 15, detachable fence; 16, L-shaped detachable tool board; 17, motor box; 18, the first servo Motor; 19, the first threaded rod; 20, the clamping rod; 21, the arc rod; 22, the fixed rod; 23, the first fastening bolt; 24, the self-locking pulley; 25, the second servo motor; 26, the rotation Rod; 27, Second gear; 28, Load rod; 29, Mounting base plate; 30, Load plate; 31, Connection block; 32, V-shaped rod; 33, Step rod; 34, Second threaded rod; 35, Section Three servo motors; 36, motor chute; 37, threaded rod chute; 38, tightening rod; 39, clamp rod slide rail; 40, second tightening bolt; 41, protective box; 42, supporting round rod.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. As shown in Figures 1-6, a utility pole maintenance frame with automatic lifting and movable function for electric power maintenance. The lifting unit includes: a movement mechanism and a protection mechanism; The motion mechanism includes: a fixed base 4, a fixed slide rail 5, a movable rod 6, a transmission shaft 7, a first gear 8, a chain 9, a slider 10, a fixed block 11, a base 12, a fixed ring 13 and a hydraulic cylinder 14 ; Described fixed bottom plate is arranged on the inner lower wall surface of work box 2, described fixed slide rail 5 is arranged on the upper wall surface of fixed base 4, described movable rod 6 is arranged on the lower wall surface of lifting plate 3, and movable rod 6 is provided with a through groove, A pair of through holes with the same structure are opened on the side wall surface of the through slot of the movable rod 6, the transmission shaft 7 is inserted into the through slot of the movable rod 6, the first gear 8 is arranged in the through slot of the movable rod 6, and the center The hole is sleeved on the transmission shaft 7, the fixing block 11 is arranged on the inner side wall surface of the cavity of the working box 2, the slider 10 is embedded in the chute of the fixing slide rail 5, and the chain 9 is arranged on the fixing block 11 and the slider. 10, and through the through slot of the movable rod 6, the chain 9 is placed above the first gear 8 and meshes with the first gear 8, the base 12 is placed on the side wall surface of the fixed slide rail 5, the fixed ring 13 The hydraulic cylinder 14 is arranged on the side wall surface of the fixed slide rail 5 and above the base 12, the hydraulic cylinder 14 is arranged on the upper wall surface of the base 12, and is sleeved in the fixing ring 13, and the driving end of the hydraulic cylinder 14 is arranged on the lower wall surface of the movable rod 6; The protection mechanism includes: a detachable fence 15 and an L-shaped detachable tool plate 16; the detachable fence 15 is arranged on the upper wall surface of the lifting plate 3, and the side wall surface of the L-shaped detachable tool plate 16 is opened There are a pair of fixed hooks with the same structure, and are movably arranged on the upper edge of the detachable fence 15 through the pair of hooks; the moving unit includes: a clamping mechanism and a sliding mechanism; the clamping mechanism includes: The motor box 17 , the first servo motor 18 , the first threaded rod 19 , a pair of clamping rods 20 with the same structure, a pair of arc rods 21 with the same structure, a pair of fixing rods 22 with the same structure, and a first fastening bolt 23; the motor box 17 is arranged in the groove of the side wall surface of the base 1, and the front wall surface of the motor box 17 is provided with a circular through hole, the first servo motor 18 is arranged on the inner side wall surface of the motor box 17, and the first servo motor The driving end of the motor 18 passes through the circular through hole of the motor box 17, the first threaded rod 19 is arranged on the driving end of the first servo motor 18, and the other end of the first threaded rod 19 is provided with a limiting block, and a pair of the clamping rods The lower part of 20 is provided with a pair of threaded holes with the same structure, and is sleeved on the first threaded rod 19. The two ends of the pair of arc-shaped rods 21 are provided with installation holes, and are sleeved on the top of the pair of clamping rods 20. The fixing rods 22 are inserted into the installation holes at the other ends of the pair of arc rods 21, and the other ends are provided with threaded holes, and the first fastening bolts 23 are screwed into the pair of threaded holes; The sliding mechanism includes: two pairs of self-locking pulleys 24 with the same structure, a second servo motor 25, a pair of rotating rods 26 with the same structure, a pair of The same second gear 27 and a pair of bearing rods 28 with the same structure; two pairs of the self-locking pulleys 24 are arranged on the lower wall of the base 1, and the second servo motor 25 is arranged on the rear wall of the rectangular groove in the base 1, One of the pair of rotating rods 26 is arranged on the driving end of the second servo motor 25, one of the center holes of the pair of the second gears 27 is sleeved on the rotating rod 26 arranged on the second servo motor 25, and the other is The other one of the second gears 27 is engaged with it, and one of the rotating rods 26 is inserted into the center hole of the pair of the other second gears 27, and the upper part of the pair of the bearing plates is opened. There are through holes and are inserted into a pair of the rotating rods 26; the movement mechanism includes: a mounting base plate 29, an object carrier plate 30, a pair of connecting blocks 31 with the same structure, and a pair of V-shaped rods with the same structure 32. A pair of stepped rods 33, second threaded rods 34, third servo motors 35, motor chute 36 and threaded rod chute 37 with the same structure; The object carrier plate 30 is arranged on the lower wall of the lift plate 3 , a pair of the connecting blocks 31 are respectively arranged on the upper wall surface of the mounting base plate 29 and the lower wall surface of the object carrier plate 30 , and through holes are opened at both ends of the pair of V-shaped rods 32 , and one end is movably arranged on the front wall surface of a pair of the connecting blocks 31, the thin ends of the step rods 33 are inserted into the through holes of the V-shaped rods 32, and the thick ends are provided with a pair of threads with the same structure The second threaded rod 34 is screwed into a pair of threaded holes of the stepped rod 33, the motor chute 36 is placed on the inner side wall of the work box 2, and the third servo motor 35 is placed in the motor chute 36 inside, and the driving end is arranged at one end of the second threaded rod 34, the threaded rod chute 37 is arranged on the side wall surface of the other end of the working box 2, and the chute of the threaded rod sliding rail is movably connected with the other end of the second threaded rod 34 ; The clamping mechanism includes: a pair of identically structured clamping rods 38, clamping rod slide rails 39 and the second clamping bolt 40; The tightening rod 38 is arranged in the chute of the clamping rod slide rail 39, and the other end is provided with a pair of threaded through holes with the same structure, and the second tightening bolt 40 is screwed into the pair of threaded through holes. ; Said motor chute 36, threaded rod chute 37 and the inner walls of the chute at both ends of the clamp rod slide rail 39 are equipped with gaskets; the gaskets are used to prevent damage from collisions between devices; the third servo motor A protective box 41 is installed between 35 and the motor chute 36; the protective box 41 is used to protect and fix the servo motor; a support rod 42 is installed between the base 12 and the fixed bottom plate; the support rod 42 is used for fixing Hydraulic cylinder 14 and lifting unit; a utility pole maintenance frame with automatic lifting and movable function for electric power maintenance according to claim 5, the two ends of the lifting plate 3 are connected to the motor chute 36 and the threaded rod chute 37. A bearing is installed between;

The bearing is used to prevent friction between the lift plate 3 and the motor chute 36 and the threaded rod chute 37 .

The feature of this embodiment is that it includes a base 1, a work box 2 and a lifting plate 3, a groove is formed on the side wall of the base 1, and a rectangular groove is formed in the center of the base 1, and the work box 2 is arranged on the upper wall of the base 1. , and the upper wall surface of the working box 2 is provided with an opening, the lifting plate 3 is movably arranged at the opening of the upper wall surface of the working box 2, a lifting unit is installed in the working box 2, and a mobile unit is installed on the side wall surface of the base 1; the lifting unit includes: Movement mechanism and protection mechanism; movement mechanism, which includes: fixed base 4, fixed slide rail 5, movable rod 6, transmission shaft 7, first gear 8, chain 9, slider 10, fixed block 11, base 12, fixed ring 13 and hydraulic cylinder 14; the fixed bottom plate is placed on the inner lower wall of the work box 2, the fixed slide rail 5 is placed on the upper wall of the fixed base 4, the movable rod 6 is placed on the lower wall of the lifting plate 3, and the movable rod 6 is provided with a through slot, and the movable rod A pair of through holes with the same structure are provided on the side wall surface of the through groove of the rod 6, the transmission shaft 7 is inserted into the through groove of the movable rod 6, the first gear 8 is arranged in the through groove of the movable rod 6, and the center hole is sleeved on the transmission shaft 7, The fixed block 11 is arranged on the inner side wall surface of the cavity of the working box 2, the slider 10 is embedded in the chute of the fixed slide rail 5, the chain 9 is arranged between the fixed block 11 and the slider 10, and through the channel of the movable rod 6, the chain 9 is placed above the first gear 8 and meshes with the first gear 8, the base 12 is placed on the side wall surface of the fixed slide rail 5, the fixing ring 13 is placed on the side wall surface of the fixed slide rail 5 and above the base 12, the hydraulic cylinder 14 is placed on The upper wall surface of the base 12 is sleeved in the fixing ring 13, and the driving end of the hydraulic cylinder 14 is arranged on the lower wall surface of the movable rod 6; the protection mechanism includes: a detachable fence 15 and an L-shaped detachable tool plate 16; detachable type The fence 15 is arranged on the upper wall surface of the lifting plate 3, and the side wall surface of the L-shaped detachable tool board 16 is provided with a pair of fixed hooks with the same structure, and is movably arranged on the upper edge of the detachable fence 15 through a pair of hooks, the height is adjustable and safe High performance and convenient operation, one person can operate, safety and work efficiency have been improved, and talents will not be lost.

The following are the models and functions of various electrical components;

Motor driver: S700 series driver using Kollmorgen servo driver. The driver is also called "servo controller" and "servo amplifier". It is a controller used to control servo motors. AC motors, which are part of the servo system, are mainly used in high-precision positioning systems. Generally, the servo motor is controlled by three methods of position, speed and torque to achieve high-precision positioning of the transmission system. It is currently a high-end product of transmission technology.

The first servo motor, the second servo motor and the third servo motor: JASD7502-20Z servo motor is used. The servo motor can control the speed and position accuracy very accurately, and can convert the voltage signal into torque and speed to drive the control object. , has the characteristics of small electromechanical time constant, high linearity, starting voltage, etc., and is currently the most commonly used motor.

Hydraulic cylinder: The hydraulic cylinder of the MOB-CA model is used. The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy for linear reciprocating motion (or swing motion). It has simple structure and reliable operation. When using it to achieve reciprocating motion, the reduction device can be omitted, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems.

The following are the base, lifting plate, fixed base, movable rod, transmission shaft, slider, fixed ring, first threaded rod, second threaded rod, arc rod, fixed rod, rotating rod, bearing rod, installation Description of the shape and material of the base plate, the fastening rod and the supporting rod;

Base: A round base made of metal.

Lifting plate, fixed base, installation bottom plate and brush plate: they are all rectangular plates made of metal.

The movable rod, the transmission shaft, the first threaded rod, the second threaded rod, the fixed rod, the rotating rod and the supporting round rod: it is a door cylindrical rod made of metal.

Slider: It is a rectangular plate made of metal material.

Retaining ring; an annular plate made of metal.

Arc Rod: A curved rod made of metal.

Fastening rods: rods made of metal.

Through the person in the art, all the electrical components in this case are connected with the power supply to which they are adapted through wires, and the appropriate controller and encoder should be selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, please refer to the following In the working principle described above, the electrical connection between the electrical components is completed in sequence, and the detailed connection method is known in the art. The following mainly introduces the working principle and process, and does not describe the electrical control.

Embodiment 1: According to Figures 1-3, when in use, the staff pushes the device to the work place through the self-locking pulley 24, the staff opens the arc-shaped rod 21 to surround the two sides of the telephone pole, and the self-locking pulley 24 is self-locking. lock, the first servo motor 18 is activated, and the drive end of the servo motor drives the arc rod 21 to move inward through a pair of clamping rods 20 connected by the first screw rod. When clamping, the worker uses the first fastening bolt 23 to connect into the threaded hole of the fixing rod 22, and tighten the device. After fixing, the worker starts the second servo motor 25, and the second servo motor 25 drives the pair of bearing rods 28 to rotate inward through the rotating rods 26 on the pair of gears. , the front wall surface of the carrying rod 28 turns to the ground to support the device, which plays a three-layer fixing role. The staff enters the detachable fence 15 through a ladder, and after connecting and fixing the four sides of the fence, the L-shaped detachable tool board 16 is hung by hooks. To the detachable fence 15, the staff starts the lifting unit, the hydraulic cylinder 14 starts, the driving end of the hydraulic cylinder 14 drives the movable rod 6 to move upward, the gear in the through groove of the movable rod 6 meshes with the chain 9 and rotates counterclockwise, and the chain rotates counterclockwise. One end of 9 is fixed with a fixed block 11, the chain 9 meshes with the gear and rotates and rises, the other end of the chain 9 drives the slider 10 to slide and rise in the fixed slide rail 5, and the top of the movable rod 6 drives the working box 2 to rise through the lifting plate 3, and the user controls When the work box 2 rises to the required height, the hydraulic cylinder 14 stops, and the staff repairs the circuit. After the maintenance, the staff starts the lifting unit, the hydraulic cylinder 14 starts, and the driving end of the hydraulic cylinder 14 drives the movable rod 6 to the lowest level. The gear in the through groove of the rod 6 meshes with the chain 9 and rotates clockwise, the chain 9 meshes with the gear and rotates and descends, the chain 9 drives the slider 10 to descend to the lowest end through the fixed slide rail 5 chute, the hydraulic cylinder 14 stops, and the lifting unit stops To run, the crew goes back to the ground via the ladder.

Embodiment 2: According to FIGS. 4 and 5 , the third servo motor 35 is activated, and the driving end of the third servo motor 35 drives the second threaded rod 34 to rotate clockwise, and the second threaded rod 34 is engaged with the threaded hole of the stepped rod 33 to move in the direction. Inward movement, a pair of stepped rods 33 drives a pair of V-shaped rods 32 to move upward, at the same time, the second threaded rod 34 drives the third servo motor 35 to move upward through the motor chute 36, and the second threaded rod 34 passes through the threaded rod chute. 37 Make an upward movement.

Embodiment 3: According to Figures 4, 5 and 6, the staff wraps the tightening rod 38 to both sides of the utility pole, and screw in the second tightening bolt 40 to slowly tighten it. The chute slides inward, and when the bolts cannot be tightened further, the staff starts the second servo motor 25, and the working principle of the remaining components is the same as that of the first embodiment.

The above technical solutions only represent the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (10)

1. A utility pole maintenance frame with automatic lifting and movable function for electric power maintenance, comprising a base (1), a work box (2) and a lifting plate (3), characterized in that the base (1) side The wall surface is provided with a groove, and the center of the base (1) is provided with a rectangular groove, the work box (2) is arranged on the upper wall surface of the base (1), and the upper wall surface of the work box (2) is provided with an opening. The plate (3) is movably arranged at the opening on the upper wall surface of the work box (2), a lifting unit is installed in the work box (2), and a moving unit is installed on the side wall surface of the base (1); The lifting unit includes: a movement mechanism and a protection mechanism; The motion mechanism comprises: a fixed base (4), a fixed slide rail (5), a movable rod (6), a transmission shaft (7), a first gear (8), a chain (9), and a slider (10) , a fixing block (11), a base (12), a fixing ring (13) and a hydraulic cylinder (14); The fixed bottom plate is arranged on the inner lower wall of the work box (2), the fixed slide rail (5) is arranged on the upper wall of the fixed base (4), and the movable rod (6) is arranged on the lower wall of the lifting plate (3), And the movable rod (6) is provided with a through groove, the side wall surface of the through groove of the movable rod (6) is provided with a pair of through holes with the same structure, and the transmission shaft (7) is inserted into the through groove of the movable rod (6), The first gear (8) is arranged in the through groove of the movable rod (6), and the center hole is sleeved on the transmission shaft (7), and the fixing block (11) is arranged on the inner side wall surface of the cavity of the working box (2), so The sliding block (10) is embedded in the chute of the fixed sliding rail (5), the chain (9) is arranged between the fixed block (11) and the sliding block (10), and passes through the groove of the movable rod (6). , the chain (9) is arranged above the first gear (8) and meshes with the first gear (8), the base (12) is arranged on the side wall surface of the fixed slide rail (5), the fixing ring (13) ) is placed on the side wall surface of the fixed slide rail (5) and above the base (12). 14) The driving end is arranged on the lower wall of the movable rod (6); The protection mechanism comprises: a detachable fence (15) and an L-shaped detachable tool plate (16); The detachable fence (15) is arranged on the upper wall surface of the lifting plate (3), and the side wall surface of the L-shaped detachable tool board (16) is provided with a pair of fixed hooks with the same structure, and is movable through a pair of the hooks It is placed on the upper edge of the detachable fence (15). 2 . The utility pole maintenance stand with automatic lifting and movable function for electric power maintenance according to claim 1 , wherein the moving unit comprises: a clamping mechanism and a sliding mechanism. 3 . 3. The utility pole maintenance frame with automatic lifting and movable function for electric power maintenance according to claim 2, wherein the clamping mechanism comprises: a motor box (17), a first servo motor ( 18), a first threaded rod (19), a pair of clamping rods (20) with the same structure, a pair of arc-shaped rods (21) with the same structure, a pair of fixing rods (22) with the same structure, and a first fastening bolt (23); The motor box (17) is arranged in the groove of the side wall surface of the base (1), and the front wall surface of the motor box (17) is provided with a circular through hole, and the first servo motor (18) is arranged in the motor box (17) ) inner wall surface, and the driving end of the first servo motor (18) passes through the circular through hole of the motor box (17), the first threaded rod (19) is arranged on the driving end of the first servo motor (18), and the first thread The other end of the rod (19) is provided with a restricting block, a pair of threaded holes with the same structure are opened at the lower part of the pair of clamping rods (20), and are sleeved on the first threaded rod (19), and a pair of the arc rods ( 21) Both ends are provided with mounting holes, and are sleeved on the top of a pair of said clamping rods (20), and a pair of said fixing rods (22) are inserted into the other end of a pair of said arc rods (21) for installation The other end is provided with a threaded hole, and the first fastening bolt (23) is screwed into a pair of the threaded holes. 4. The utility pole maintenance frame with automatic lifting and movable function for electric power maintenance according to claim 2, wherein the sliding mechanism comprises: two pairs of self-locking pulleys (24) with the same structure, a second servo motor (25), a pair of rotating rods (26) with the same structure, a pair of second gears (27) with the same structure, and a pair of bearing rods (28) with the same structure; Two pairs of the self-locking pulleys (24) are arranged on the lower wall of the base (1), the second servo motor (25) is arranged on the rear wall of the rectangular groove in the base (1), and a pair of the rotating rods (26) ) one of which is arranged on the driving end of the second servo motor (25), and one of the center holes of a pair of the second gears (27) is sleeved on the rotating rod (26) arranged on the second servo motor (25) , the other of a pair of the second gears (27) is engaged with it, and a rod is inserted into the central hole of the pair of the other second gears (27) to the rotating rod (26), A through hole is formed in the upper part of the pair of the bearing plates, and is inserted into the pair of the rotating rods (26). 5 . The utility pole maintenance frame with automatic lifting and movable function for electric power maintenance according to claim 1 , wherein the motion mechanism comprises: an installation bottom plate (29), an object carrier (30) . 6 . , a pair of connecting blocks (31) with the same structure, a pair of V-shaped rods (32) with the same structure, a pair of stepped rods (33) with the same structure, a second threaded rod (34), and a third servo motor (35) , motor chute (36) and threaded rod chute (37); The installation bottom plate (29) is arranged on the inner lower wall of the work box (2), the object carrier plate (30) is arranged on the lower wall of the lift plate (3), and a pair of the connecting blocks (31) are respectively arranged on the installation bottom plate (29) the upper wall surface and the lower wall surface of the object carrier plate (30), the two ends of the pair of V-shaped rods (32) are provided with through holes, and one end is movably arranged on the front wall surface of the pair of said connecting blocks (31), The thin ends of the pair of stepped rods (33) are inserted into the through holes of the pair of V-shaped rods (32), and the thick ends are provided with a pair of threaded holes with the same structure, and the second threaded rods (34) are screwed. Connected to a pair of the threaded holes of the stepped rods (33), the motor chute (36) is arranged on the inner side wall surface of the work box (2), and the third servo motor (35) is arranged in the motor chute (36) inside, and the driving end is arranged at one end of the second threaded rod (34), the threaded rod chute (37) is arranged on the side wall surface of the other end of the working box (2), and the chute of the threaded rod slide rail is connected to the second thread The other end of the rod (34) is movably connected. 6. The utility pole maintenance stand with automatic lifting and movable function for electric power maintenance according to claim 2, wherein the clamping mechanism comprises: a pair of fastening rods (38) with the same structure , the clamp rod slide rail (39) and the second fastening bolt (40); The clamping rod is arranged in the groove of the side wall surface of the base (1), a pair of the fastening rods (38) are arranged in the chute of the clamping rod slide rail (39), and the other end is provided with a pair of same structure. A threaded through hole, and the second fastening bolt (40) is screwed into a pair of the threaded through holes. 7. A utility pole maintenance stand with automatic lifting and movable function for electric power maintenance according to claim 5, characterized in that the motor chute (36), the threaded rod chute (37) and the clamping rod slide Gaskets are installed on the inner wall surfaces of both ends of the chute of the rail (39); This spacer is used to prevent damage from collisions between devices. 8 . The utility pole maintenance stand with automatic lifting and movable function for electric power maintenance according to claim 5 , characterized in that, between the third servo motor ( 35 ) and the motor chute ( 36 ), a protective box (41); The protection box (41) is used to protect and fix the servo motor. 9. A utility pole maintenance frame with automatic lifting and movable function for electric power maintenance according to claim 1, characterized in that a supporting round rod (42) is installed between the base (12) and the fixed bottom plate; The supporting round rod (42) is used for fixing the hydraulic cylinder (14) and the lifting unit. 10. A utility pole maintenance stand with automatic lifting and movable function for electric power maintenance according to claim 5, characterized in that the two ends of the lifting plate (3) are slidingly connected to the motor chute (36) and the threaded rod. A bearing is installed between the grooves (37); The bearing is used to prevent friction between the lift plate (3), the motor chute (36) and the threaded rod chute (37).