CN216220492U

CN216220492U - Portable mapping device is used in high tension transmission line design

Info

Publication number: CN216220492U
Application number: CN202122675100.2U
Authority: CN
Inventors: 李鹏宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-08
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a portable surveying and mapping device for high-voltage transmission line design, which comprises a surveying and mapping device body and a protective box, wherein the top and the bottom of the protective box are both provided with openings, the top of the protective box is movably contacted with a cover plate, the top of the cover plate is fixedly connected with a U-shaped handle, the bottom of the protective box is movably contacted with a box-shaped base, the bottom of the protective box is provided with an opening, a movable plate is slidably arranged between the inner walls of the two sides of the protective box, and the two sides of the top of the movable plate are both fixedly connected with connecting rods. The single-drive type surveying and mapping device is convenient to move out and lift up the body of the surveying and mapping device in a single-drive mode, a support frame does not need to be additionally and independently arranged in a lifting support mode, the carrying by personnel is facilitated, the angle of the surveying and mapping device body can be conveniently adjusted according to the use requirement, the use flexibility is improved, the storage of the surveying and mapping device body after the use is facilitated, the total volume of the whole device is reduced, the carrying and the transportation are facilitated, and the carrying and damage risks are reduced.

Description

Portable mapping device is used in high tension transmission line design

Technical Field

The utility model relates to the technical field of surveying and mapping equipment, in particular to a portable surveying and mapping device for designing a high-voltage power transmission line.

Background

When a high-voltage transmission line is designed, the line height, the tower height, the distance and the like need to be preliminarily measured, and because a surveying instrument is more convenient to operate compared with a distance measuring camera, the distance of the high-voltage transmission line is mostly measured by adopting the surveying instrument in the existing surveying and mapping mode; present surveying instrument, it is not portable that its uses, needs the exclusive use support frame to support surveying instrument when measuring, carries the mode of support frame alone, and occupation space is big, is not convenient for carry the transportation, and does not possess the function of accomodating the protection to surveying instrument when carrying, directly exposes to carry and has great mistake to bump the bad risk, can not satisfy the user demand, therefore we have proposed a high tension transmission line design and use portable mapping device for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a portable mapping device for designing a high-voltage transmission line.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a portable surveying and mapping device for designing a high-voltage transmission line comprises a surveying and mapping device body and a protective box, wherein the top and the bottom of the protective box are respectively provided with an opening, the top of the protective box is movably contacted with a cover plate, the top of the cover plate is fixedly connected with a U-shaped handle, the bottom of the protective box is movably contacted with a box-shaped base, the bottom of the protective box is provided with an opening, a movable plate is slidably arranged between the inner walls of the two sides of the protective box, the two sides of the top of the movable plate are respectively and fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with the bottom of the cover plate, the bottom of the surveying and mapping device body is fixedly connected with an angle adjusting mechanism, the angle adjusting mechanism is arranged on the movable plate, the inner walls of the two sides of the protective box are respectively and rotatably provided with a first thread driving mechanism, the movable plate is sleeved on the two first thread driving mechanisms, and the two sides of the top of the box-shaped base are respectively and rotatably provided with a second thread driving mechanism, the protection box is in threaded sleeve connection with the two second thread driving mechanisms, the bottom ends of the second thread driving mechanisms extend into the box-shaped base, the top of the box-shaped base is rotatably provided with two square rods, the first thread driving mechanism is in sliding sleeve connection with the corresponding square rods, the bottom ends of the square rods extend into the box-shaped base, the two second thread driving mechanisms and the two square rods are fixedly provided with the same linkage driving mechanism, the top of the box-shaped base is fixedly connected with a driving motor located in the protection box, the bottom end of an output shaft of the driving motor extends into the box-shaped base and is fixedly connected with the top of the linkage driving mechanism, the top of the box-shaped base is fixedly connected with a storage battery electrically connected with the driving motor, the right side of the driving motor is fixedly and electrically connected with a wireless remote control switch, and the wireless remote control switch is provided with an external remote controller in a matching mode.

Preferably, angle adjustment mechanism includes the universal ball of fixed connection in mapping device body bottom, and the outside bonding cladding of universal ball has stereoplasm antiskid rubber, and movable plate movable sleeve establishes on stereoplasm antiskid rubber, and the equal in close contact with in both sides of stereoplasm antiskid rubber has T shape fixing bolt, and two first through-holes have been seted up at the top of movable plate, and establish to the opening in the front side of first through-hole, and one side that two T shape fixing bolt kept away from each other extends to respectively in the first through-hole that corresponds, and movable plate thread bush is established on two T shape fixing bolt.

Preferably, the first thread driving mechanism comprises first screws, the two first screws are respectively rotatably mounted on the inner walls of the two sides of the protection box, the movable plate is sleeved on the two first screws in a threaded manner, and the first screws are slidably sleeved on the corresponding square rods.

Preferably, the second thread driving mechanism comprises second screw rods rotatably mounted on the top of the box-shaped base, the thread turning directions of the second screw rods are opposite to those of the corresponding first screw rods, the protective box is sleeved on the two second screw rods in a threaded manner, and the bottom ends of the second screw rods extend into the box-shaped base.

Preferably, the linkage driving mechanism comprises first gears fixedly connected to the bottom ends of the second screws, second gears are meshed to one sides, close to each other, of the two first gears, the bottom end of the square rod is fixedly connected with the tops of the corresponding second gears, a first chain wheel is fixedly sleeved on the square rod and located above the corresponding second gears, the bottom end of an output shaft of the driving motor is fixedly connected with a second chain wheel located in the box-shaped base, and the two first chain wheels and the second chain wheel are connected with the same chain in a transmission mode.

Preferably, the top of the moving plate is provided with a spherical embedded hole, the inner wall of the spherical embedded hole is in movable contact with the outer side of the hard anti-slip rubber sheet, the inner wall of one side, close to each other, of the two first through holes is provided with a first threaded hole communicated with the inner part of the spherical embedded hole, and the T-shaped fixing bolt is in threaded connection with the corresponding first threaded hole.

Preferably, second threaded holes are formed in two sides of the top of the moving plate and are in threaded connection with the corresponding first screw rods, square holes are formed in the bottom ends of the first screw rods, and the inner walls of the square holes are in sliding connection with the outer sides of the corresponding square rods.

Preferably, third threaded holes are formed in two sides of the top of the protection box and are in threaded connection with corresponding second screws.

Preferably, two first bearings are fixedly connected to the inner walls of the two sides of the protection box, and the inner sides of the inner rings of the first bearings are fixedly connected with the outer sides of the corresponding first screws.

Compared with the prior art, the utility model has the beneficial effects that:

the whole device can be carried by a U-shaped handle when the surveying and mapping device body needs to be moved out of the protective box for supporting, the driving motor is controlled to be started in the forward direction, the driving motor drives the second chain wheel to rotate, the second chain wheel drives the two first chain wheels to rotate through the chain, the first chain wheels drive the corresponding square rods to rotate, the square rods drive the first screw rods to rotate, the two first screw rods drive the movable plate to move upwards, the movable plate drives the surveying and mapping device body to move upwards through the universal ball and gradually move out of the protective box, the square rod rotates to drive the corresponding second gear to rotate, the second gear drives the second screw rods to rotate through the corresponding first gear, the two second screw rods rotate to drive the protective box to move upwards, the protective box sequentially passes through the four first bearings, the two first screw rods, the movable plate and the universal ball to drive the surveying and mapping device body to move upwards, so that two upward forces exist on the surveying and mapping device body, when the surveying and mapping device body moves out of the protective box, the protective box is matched with the box-shaped base to highly support the surveying and mapping device body, and the surveying and mapping device body can be normally used;

when the surveying and mapping device is used, when the orientation angle or the inclination angle of the surveying and mapping device body needs to be adjusted, the two T-shaped fixing bolts are rotated in the forward direction and move in the corresponding first threaded holes respectively, the T-shaped fixing bolts move to be separated from the hard anti-skid rubber, at the moment, the surveying and mapping device body can be rotated to drive the universal ball to rotate in the spherical embedding hole, so that the orientation angle or the inclination angle of the surveying and mapping device body is changed, after the surveying and mapping device is adjusted properly, the two T-shaped fixing bolts are rotated in the reverse direction to move to be in close contact with the hard anti-skid rubber, and then the surveying and mapping device body is fixed and the adjustment is completed;

after using, control driving motor reverse start for guard box and mapping device body all change the downstream into, and the mapping device body is removed and is accomodate the protection to the guard box in, and makes the total volume of whole device reduce, conveniently carries the transportation.

The single-drive type surveying and mapping device is convenient to move out and lift up the body of the surveying and mapping device in a single-drive mode, a support frame does not need to be additionally and independently arranged in a lifting support mode, the carrying by personnel is facilitated, the angle of the surveying and mapping device body can be conveniently adjusted according to the use requirement, the use flexibility is improved, the storage of the surveying and mapping device body after the use is facilitated, the total volume of the whole device is reduced, the carrying and the transportation are facilitated, and the carrying and damage risks are reduced.

Drawings

Fig. 1 is a schematic structural diagram of a portable mapping device for designing a high-voltage transmission line according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100 surveying and mapping device body, 1 protective box, 2 cover plates, 3 box-shaped bases, 4 second screw rods, 5 first screw rods, 6 square rods, 7 universal balls, 8 moving plates, 9T-shaped fixing bolts, 10 first gears, 11 second gears, 12 first chain wheels, 13 second chain wheels, 14 driving motors, 15 chains, 16 wireless remote control switches, 17 first through holes and 18 storage batteries.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a portable mapping device for designing a high-voltage transmission line comprises a mapping device body 100 and a protective box 1 with an opening at the top and the bottom, wherein a cover plate 2 is movably contacted at the top of the protective box 1, a U-shaped handle is fixedly connected at the top of the cover plate 2, a box-shaped base 3 with an opening at the bottom is movably contacted at the bottom of the protective box 1, a movable plate 8 is slidably mounted between the inner walls of the two sides of the protective box 1, connecting rods are fixedly connected at the two sides of the top of the movable plate 8, the top ends of the connecting rods are fixedly connected with the bottom of the cover plate 2, an angle adjusting mechanism is fixedly connected at the bottom of the mapping device body 100 and mounted on the movable plate 8, first thread driving mechanisms are rotatably mounted on the inner walls of the two sides of the protective box 1, the movable plate 8 is in thread fit on the two first thread driving mechanisms, and second thread driving mechanisms are rotatably mounted on the two sides of the top of the box-shaped base 3, the protection box 1 is sleeved on the two second thread driving mechanisms in a threaded manner, the bottom ends of the second thread driving mechanisms extend into the box-shaped base 3, the top of the box-shaped base 3 is rotatably provided with two square rods 6, the first thread driving mechanisms are sleeved on the corresponding square rods 6 in a sliding manner, the bottom ends of the square rods 6 extend into the box-shaped base 3, the two second thread driving mechanisms and the two square rods 6 are fixedly provided with the same linkage driving mechanism, the top of the box-shaped base 3 is fixedly connected with a driving motor 14 positioned in the protection box 1, the bottom end of an output shaft of the driving motor 14 extends into the box-shaped base 3 and is fixedly connected with the top of the linkage driving mechanism, the top of the box-shaped base 3 is fixedly connected with a storage battery 18 electrically connected with the driving motor 14, the right side of the driving motor 14 is fixedly and electrically connected with a wireless remote control switch 16, and the wireless remote control switch 16 is provided with an external remote controller in a matching manner;

the angle adjusting mechanism comprises a universal ball 7 fixedly connected to the bottom of the surveying and mapping device body 100, hard anti-slip rubber is bonded and coated on the outer side of the universal ball 7, a moving plate 8 is movably sleeved on the hard anti-slip rubber, T-shaped fixing bolts 9 are tightly contacted with two sides of the hard anti-slip rubber, two first through holes 17 are formed in the top of the moving plate 8, the front sides of the first through holes 17 are provided with openings, one sides, far away from each other, of the two T-shaped fixing bolts 9 extend into the corresponding first through holes 17 respectively, and the moving plate 8 is sleeved on the two T-shaped fixing bolts 9 in a threaded mode;

the first thread driving mechanism comprises first screw rods 5, the two first screw rods 5 are respectively rotatably arranged on the inner walls of the two sides of the protective box 1, the movable plate 8 is sleeved on the two first screw rods 5 in a threaded manner, and the first screw rods 5 are sleeved on the corresponding square rods 6 in a sliding manner;

the second thread driving mechanism comprises second screw rods 4 which are rotatably arranged on the top of the box-shaped base 3, the thread turning directions of the second screw rods 4 and the corresponding first screw rods 5 are opposite, the protective box 1 is sleeved on the two second screw rods 4 in a threaded manner, and the bottom ends of the second screw rods 4 extend into the box-shaped base 3;

the linkage driving mechanism comprises first gears 10 fixedly connected to the bottom end of a second screw rod 4, one side, close to each other, of each of the two first gears 10 is engaged with a second gear 11, the bottom end of a square rod 6 is fixedly connected with the top of the corresponding second gear 11, a first chain wheel 12 is fixedly sleeved on the square rod 6 and is positioned above the corresponding second gear 11, a second chain wheel 13 positioned in a box-shaped base 3 is fixedly connected to the bottom end of an output shaft of a driving motor 14, and the two first chain wheels 12 and the second chain wheel 13 are in transmission connection with a same chain 15. Convenient carrying and transportation, and reduced carrying and damage risks.

In the utility model, a spherical embedding hole is arranged at the top of a movable plate 8, the inner wall of the spherical embedding hole is movably contacted with the outer side of a hard anti-skid rubber sheet, first threaded holes communicated with the inner parts of the spherical embedding holes are respectively arranged on the inner wall of one side, close to each other, of two first through holes 17, a T-shaped fixing bolt 9 is in threaded connection with the corresponding first threaded hole, second threaded holes are respectively arranged on two sides of the top of the movable plate 8 and are in threaded connection with the corresponding first screw rods 5, square holes are arranged at the bottom ends of the first screw rods 5, the inner walls of the square holes are in sliding connection with the outer sides of the corresponding square rods 6, third threaded holes are respectively arranged on two sides of the top of a protective box 1 and are in threaded connection with the corresponding second screw rods 4, two first bearings are fixedly connected on the inner walls of two sides of the protective box 1, the inner sides of inner rings of the first bearings are fixedly connected with the outer sides of the corresponding first screw rods 5, the top of the box-shaped base 3 is further provided with two first bearing mounting through holes and two second bearing mounting through holes, a second bearing which is in adhesive fit with the outer side of the corresponding second screw rod 4 is fixedly bonded inside the first bearing mounting through holes, and a third bearing which is in adhesive fit with the outer side of the corresponding first screw rod 5 is fixedly bonded inside the second bearing mounting through holes.

The working principle is as follows: when the device is used, the whole device can be carried through the U-shaped handle when the surveying and mapping device body 100 is positioned in the protective box 1, the carrying and the transportation are convenient, and the protective box 1 shields and protects the surveying and mapping device body 100, so that the damage risk caused by mistaken collision in the carrying process is reduced;

when the surveying and mapping device body 100 needs to be moved out of the protective box 1 for supporting and use, the external remote controller is used for controlling the wireless remote control switch 16 to control the driving motor 14 to be started in the forward direction, the output shaft of the driving motor 14 drives the second chain wheels 13 to rotate, the second chain wheels 13 drive the two first chain wheels 12 to rotate through the chains 15, the first chain wheels 12 drive the corresponding square rods 6 to rotate, under the action of the holes formed in the upper sides of the first screw rods 5, the square rods 6 rotate to drive the first screw rods 5 to rotate through the corresponding square holes, under the action of the two second screw holes formed in the movable plate 8, the two first screw rods 5 rotate to drive the movable plate 8 to move upwards, the movable plate 8 drives the surveying and mapping device body 100 to move upwards through the universal balls 7 and gradually move out of the protective box 1, the movable plate 8 drives the cover plate 2 to move upwards through the two connecting rods to separate from the protective box 1, and the square rods 6 also drive the corresponding second gear 11 to rotate simultaneously, the second gear 11 drives the first gear 10 engaged with the second gear to rotate, the first gear 10 drives the corresponding second screw 4 to rotate, at this time, the rotation directions of the second screw 4 and the first screw 5 are opposite, because the screw thread turning directions of the second screw 4 and the corresponding first screw 5 are opposite, under the action of a third screw hole arranged on the protective box 1, the two second screws 4 rotate to drive the protective box 1 to move upwards, the protective box 1 drives the two first screws 5 to respectively slide upwards on the corresponding square rods 6 through four first bearings, the two first screws 5 drive the moving plate 8 to synchronously move upwards through screw thread locking force, the moving plate 8 drives the surveying and mapping device body 100 to move upwards through the universal ball 7, so that the surveying and mapping device body 100 has two upwards forces, the surveying and mapping device body 100 is lifted and supported when moving out, when the surveying and mapping device body 100 moves out from the protective box 1, at the moment, the protective box 1 is matched with the box-shaped base 3 to support the surveying and mapping device body 100, and at the moment, the surveying and mapping device body 100 can be normally used, so that the surveying and mapping device body 100 can be conveniently moved out and lifted and supported by single driving, the operation of personnel is facilitated, and in a lifting and supporting mode, a supporting frame does not need to be additionally and independently arranged, and the mode of integral arrangement is convenient for the personnel to carry;

when the surveying and mapping device is used, when the orientation angle or the inclination angle of the surveying and mapping device body 100 is adjusted according to surveying and mapping requirements, the two T-shaped fixing bolts 9 are rotated in the forward direction, the T-shaped fixing bolts 9 rotate and move in the corresponding first threaded holes, the T-shaped fixing bolts 9 are separated from the hard anti-skid rubber when moving, the fixing of the universal ball 7 is released, at the moment, the surveying and mapping device body 100 can be rotated to drive the universal ball 7 to rotate in the spherical embedding holes, the orientation angle or the inclination angle of the surveying and mapping device body 100 is changed when rotating, after the adjustment is proper, the two T-shaped fixing bolts 9 are rotated in the reverse direction, the T-shaped fixing bolts 9 rotate and move to be in close contact with the hard anti-skid rubber, under the action of friction between the T-shaped fixing bolts 9 and the hard anti-skid rubber, the universal ball 7 is fixed, and the surveying and mapping device body 100 is fixed, the adjustment is completed, so that the angle of the surveying and mapping device body 100 can be conveniently adjusted according to the use requirement, and the use flexibility is improved;

after using, control driving motor 14 and reverse start, the motion process that starts driving motor 14 with forward is opposite with the same reason for protective housing 1 and mapping device body 100 all change the downstream into, when protective housing 1 downstream contacted to the top of box-shaped base 3, mapping device body 100 removed this moment to protective housing 1 in, protective housing 1 accomodates the protection to mapping device body 100 this moment, and made the total volume of whole device reduce, conveniently carry the transportation.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A portable surveying and mapping device for high-voltage transmission line design comprises a surveying and mapping device body (100) and a protective box (1) with the top and the bottom being opening settings, wherein the top of the protective box (1) is movably contacted with a cover plate (2), the top of the cover plate (2) is fixedly connected with a U-shaped handle, the portable surveying and mapping device is characterized in that the bottom of the protective box (1) is movably contacted with a box-shaped base (3) with the bottom being opening settings, a movable plate (8) is slidably mounted between the inner walls of the two sides of the protective box (1), the two sides of the top of the movable plate (8) are both fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with the bottom of the cover plate (2), the bottom of the surveying and mapping device body (100) is fixedly connected with an angle adjusting mechanism, the angle adjusting mechanism is mounted on the movable plate (8), and the inner walls of the two sides of the protective box (1) are both rotatably mounted with first thread driving mechanisms, the movable plate (8) is sleeved on the two first thread driving mechanisms in a threaded manner, the two sides of the top of the box-shaped base (3) are respectively provided with a second thread driving mechanism in a rotating manner, the protective box (1) is sleeved on the two second thread driving mechanisms in a threaded manner, the bottom ends of the second thread driving mechanisms extend into the box-shaped base (3), the top of the box-shaped base (3) is provided with two square rods (6) in a rotating manner, the first thread driving mechanisms are sleeved on the corresponding square rods (6) in a sliding manner, the bottom ends of the square rods (6) extend into the box-shaped base (3), the two second thread driving mechanisms and the two square rods (6) are fixedly provided with the same linkage driving mechanism, the top of the box-shaped base (3) is fixedly connected with a driving motor (14) positioned in the protective box (1), the bottom end of an output shaft of the driving motor (14) extends into the box-shaped base (3) and is fixedly connected with the top of the linkage box-shaped driving mechanism, the top of the box-shaped base (3) is fixedly connected with a storage battery (18) which is electrically connected with a driving motor (14), the right side of the driving motor (14) is fixedly and electrically connected with a wireless remote control switch (16), and an external remote controller is arranged on the wireless remote control switch (16) in a matching way.

2. The portable surveying and mapping device for high-voltage transmission line design according to claim 1, characterized in that the angle adjusting mechanism comprises a universal ball (7) fixedly connected to the bottom of the surveying and mapping device body (100), the outer side of the universal ball (7) is bonded and coated with a hard anti-slip rubber sheet, a movable sleeve of a movable plate (8) is arranged on the hard anti-slip rubber sheet, two sides of the hard anti-slip rubber sheet are in close contact with T-shaped fixing bolts (9), two first through holes (17) are formed in the top of the movable plate (8), an opening is formed in the front side of each first through hole (17), one side, away from each other, of the two T-shaped fixing bolts (9) extends into the corresponding first through holes (17), and the movable plate (8) is in threaded sleeve connection with the two T-shaped fixing bolts (9).

3. The portable mapping device for high-voltage transmission line design according to claim 1, wherein the first thread driving mechanism comprises first screws (5), the two first screws (5) are respectively rotatably mounted on inner walls of two sides of the protective box (1), the movable plate (8) is sleeved on the two first screws (5) in a threaded manner, and the first screws (5) are slidably sleeved on corresponding square rods (6).

4. The portable mapping device for high-voltage transmission line design according to claim 1, wherein the second thread driving mechanism comprises a second screw (4) rotatably mounted on the top of the box-shaped base (3), the thread direction of the second screw (4) is opposite to that of the corresponding first screw (5), the protective box (1) is sleeved on the two second screws (4), and the bottom ends of the second screws (4) extend into the box-shaped base (3).

5. The portable mapping device for high-voltage transmission line design according to claim 1, wherein the linkage driving mechanism includes first gears (10) fixedly connected to the bottom ends of the second screws (4), the two first gears (10) are engaged with the second gear (11) on the sides close to each other, the bottom end of the square rod (6) is fixedly connected to the top of the corresponding second gear (11), the square rod (6) is fixedly sleeved with a first chain wheel (12), the first chain wheel (12) is located above the corresponding second gear (11), the bottom end of the output shaft of the driving motor (14) is fixedly connected to a second chain wheel (13) located in the box-shaped base (3), and the two first chain wheels (12) and the second chain wheel (13) are connected to the same chain (15) in a transmission manner.

6. The portable mapping device for high-voltage transmission line design according to claim 2, wherein a spherical embedding hole is formed in the top of the moving plate (8), the inner wall of the spherical embedding hole is movably contacted with the outer side of the hard anti-slip rubber sheet, first threaded holes communicated with the inner parts of the spherical embedding holes are formed in the inner walls of the two first through holes (17) on the sides close to each other, and the T-shaped fixing bolts (9) are in threaded connection with the corresponding first threaded holes.

7. The portable mapping device for high-voltage transmission line design according to claim 3, wherein second threaded holes are formed in both sides of the top of the moving plate (8), the second threaded holes are in threaded connection with the corresponding first screws (5), square holes are formed in the bottom ends of the first screws (5), and the inner walls of the square holes are in sliding connection with the outer sides of the corresponding square rods (6).

8. The portable mapping device for high-voltage transmission line design according to claim 4, wherein third threaded holes are formed in both sides of the top of the protective box (1), and the third threaded holes are in threaded connection with the corresponding second screws (4).

9. The portable mapping device for high-voltage transmission line design according to claim 3, wherein two first bearings are fixedly connected to inner walls of two sides of the protection box (1), and inner sides of inner rings of the first bearings are fixedly connected with outer sides of the corresponding first screw rods (5).