CN113028662B

CN113028662B - Sunlight collector based on energy-saving building

Info

Publication number: CN113028662B
Application number: CN202110254612.3A
Authority: CN
Inventors: 孙兵
Original assignee: Shanxi Datang International Yungang Co Generation Co ltd
Current assignee: Shanxi Datang International Yungang Co Generation Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-11-22
Anticipated expiration: 2041-03-09
Also published as: CN113028662A

Abstract

The invention discloses a sunlight collector based on an energy-saving building, relates to the technical field of building energy conservation, and solves the problem that the currently used collector collects and transfers light beams mainly through an auxiliary structure such as a reflector and the like by adjusting the angle and does not have the function of assisting in converging light rays. A sunlight collector based on an energy-saving building comprises a fixed mounting seat and a lifting seat; the fixed mounting seat also comprises a containing groove and a foot rest; the middle of the top of the fixed mounting seat and the middle of the bottom of the lifting seat are provided with accommodating grooves; two groups of foot rests are integrally arranged on two sides of the fixed mounting seat; the top of promoting the seat is connected the rotation through the hinge and is provided with the hoisting frame, through being provided with high convex lens, for the collector provides main supplementary light function that assembles, the cooperation hoisting frame will promote the angle of seat and adjust, and the angular adjustment of high convex lens can realize further assembling to sunshine simultaneously.

Description

Sunlight collector based on energy-saving building

Technical Field

The invention relates to the technical field of building energy conservation, in particular to a sunlight collector based on an energy-saving building.

Background

At present, high-temperature research and utilization in solar energy are mature, but most of the solar energy is collected and utilized by outdoor solar energy, and the collection of the solar energy has limitation, for example, the solar energy faces the direction, and the energy is highest when the sun shines directly, so most of the collection devices are collected directionally, and the solar energy is collected and utilized better only by moving the higher light collecting point which needs to be moved manually. Most of the large-scale solar energy collecting devices applied in the prior art are planar heliostats, which provide light energy for tower-type solar energy collecting devices, but have certain restrictive requirements on lighting points.

Through searching for example, patent No. CN103268123B discloses a solar energy collecting conveyor capable of automatically tracking the sun, namely a curved heliostat, which includes a solar energy collecting device and a solar energy conveying device, wherein the solar energy collecting device is further provided with a first automatic tracking correction device for automatically tracking the direction of the sun, and the conveying device is provided with a second automatic tracking correction device for adjusting the angle of a reflector. The solar energy collecting device comprises a solar energy collecting device, a solar energy transmission device, a tracking correction device, a sensor, a processor or a photoresistor and a relay, wherein the solar energy collecting device and the solar energy transmission device are respectively provided with a tracking correction device, the motor is respectively controlled by the sensor, the processor or the photoresistor and the relay in a rotating mode, so that the motor enables the directions of the solar energy collecting device and the solar energy transmission device to be changed through a transmission device, the solar energy collecting device can be integrally aligned to the sun in real time to collect sunlight, the sunlight is transmitted in a long distance through the solar energy transmission device, and light energy is provided for the tower type solar energy collecting device.

However, the currently used collector collects and transfers light beams mainly through an angle adjusting structure such as a reflector and the like, does not have a function of assisting in converging light rays and a double-shaft adjusting function of automatically adjusting the focal length of the light rays, and is inconvenient for collecting and heating sunlight in a centralized manner at multiple angles, so that the existing requirement is not met, and the sunlight collector based on the energy-saving building is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide a sunlight collector based on an energy-saving building, which aims to solve the problems that the existing collector provided in the background technology collects and transfers light beams mainly through an auxiliary structure such as a reflector and the like by adjusting angles, does not have the function of assisting in converging light rays and has the double-shaft adjusting function of automatically adjusting the focal length of the light rays, and is inconvenient for collecting and heating sunlight in a centralized way at multiple angles.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a sunlight collector based on an energy-saving building comprises a fixed mounting seat and a lifting seat; the fixed mounting seat also comprises a containing groove and a foot rest; the middle of the top of the fixed mounting seat and the middle of the bottom of the lifting seat are provided with accommodating grooves; two groups of foot rests are integrally arranged on two sides of the fixed mounting seat; the top of the lifting seat is rotatably provided with a lifting frame through hinged connection; the lifting frame also comprises a hydraulic cylinder B; the main body of the lifting frame is a telescopic structure formed by splicing two groups of H-shaped frame bodies, and a hydraulic cylinder B is fixedly arranged between adjacent surfaces of the upper side and the lower side of the lifting frame; the top of the lifting frame is rotatably provided with an angle adjusting seat through hinged connection; the top of the angle adjusting base is fixedly provided with a protective shell, one side of the protective shell is fixedly provided with a motor shell, the motor shell is fixedly provided with a motor, and the motor and the lead screw are in bevel gear transmission connection.

Preferably, the fixed mounting base further comprises a sleeve groove, a through hole, a side slot and a spring rod; a sleeve groove is formed in the middle of the bottom of the fixed mounting seat, and a through hole penetrates through the fixed mounting seat in the middle of the top of the sleeve groove; the sleeve groove is a cylindrical groove and penetrates through the fixed mounting seat to be provided with a side slot; a spring rod is fixedly arranged at the transition position of the sleeve groove and the side slot; the side slot is internally provided with an inserting block in a sliding way.

Preferably, the inserting block further comprises a pull handle; one side of the insertion block is provided with a conical groove structure, the diameter of the top of the conical groove structure is smaller than that of the sleeve groove, and the diameter of the bottom of the conical groove structure is larger than that of the sleeve groove; the spring rod penetrates through two sides of the insertion block, is sleeved with a spring and is fixedly provided with a stop block; a pull handle is fixedly arranged in the middle of the outer side of the insertion block, the outer end of the pull handle is of a circular ring structure, and the pull handle is longer than the spring rod; the sleeve groove is internally provided with a preset part in a clearance fit manner.

Preferably, the preset part further comprises a clamping groove and an expansion bolt; the main body of the preset piece is of a cylindrical structure, a clamping groove is formed in the middle of the side of the preset piece, and the distance between the upper side and the lower side of the clamping groove is consistent with that of the side slot; when the preset piece is embedded into the sleeve groove, the clamping groove can be clamped with the plug block conical groove structure, and the preset piece is clamped in the sleeve groove through the plug block; the bottom of the preset piece is provided with an expansion bolt; a transverse groove is formed in the middle of the top of the preset piece.

Preferably, the top of the fixed mounting seat and the bottom of the lifting seat are rotatably provided with eight groups of connecting rods through hinged connection, and the other ends of the eight groups of connecting rods on the two sides are rotatably connected through rotating shafts; the outer ends of the rotating shafts connected with the front connecting rod and the rear connecting rod are respectively and rotatably provided with a balancing rod; the inclination directions of the front connecting rod and the rear connecting rod are opposite, and a hydraulic cylinder A is arranged between the rotating shafts of the front connecting rod and the rear connecting rod.

Preferably, the angle adjusting base further comprises a lead screw, a rack and a pointer; the top of the angle adjusting seat is transversely and rotatably provided with a screw rod through a shaft bracket structure; the top of the angle adjusting seat is transversely provided with a rack in a sliding manner through a guide rail, and the rack is in threaded connection with the lead screw; the middle of the top of the angle adjusting seat is fixedly provided with a pointer; the top of the angle adjusting seat is longitudinally and rotatably provided with a main frame shaft through a shaft frame structure.

Preferably, the main frame shaft further comprises an angle measuring disc and a counterweight; the outer side of the main frame shaft is provided with a gear meshed with the rack; an angle measuring disc is fixedly arranged on the outer side of the main frame shaft, scales are arranged at the bottom of the angle measuring disc, and the bottom of the angle measuring disc is attached to the top of the pointer; the top of the angle adjusting seat is fixedly provided with a camera A, and a lens of the camera A is aligned with the bottom of the angle measuring disc; the outer side of the rear end of the main frame shaft is fixedly provided with a counterweight; the front end of the main frame shaft is fixedly provided with a mounting frame.

Preferably, the mounting rack further comprises a drainage groove and a convex lens; a camera B is fixedly arranged on the rear side of the bottom of the mounting rack; the main body of the mounting rack is of a circular truncated cone structure, and the side of the top of the mounting rack is provided with a drainage groove; and a convex lens is fixedly arranged on the inner side of the top of the mounting frame.

(III) advantageous effects

The invention provides a sunlight collector based on an energy-saving building, which is provided with a high convex lens to provide a main auxiliary light converging function for the collector, when the convex lens needs to be lifted, hydraulic cylinders A are started to prop open connecting rods on two sides, a lifting seat is directly jacked up through the connecting rods, the primary focusing of the convex lens can be realized, two groups of hydraulic cylinders B are further started to be lifted to different heights according to needs, the angle of the lifting seat is adjusted by matching with a lifting frame, and meanwhile, the further convergence of sunlight can be realized by adjusting the angle of the high convex lens.

Secondly, according to the light difference of different times, the motor in the starter motor casing drives the lead screw rotatory, and the lead screw drives the rack and removes, and the rack drives the gear rotation in the body frame axle outside, and further body frame axle is rotatory, and the body frame axle drives the mounting bracket rotatory, adjusts convex lens's angle, provides the biax adjustment function that carries out automatically regulated to the light focus, realizes the multi-angle and focuses.

Moreover, the setting of predetermineeing the piece, for the collector provides convenient installation function, utilize convex lens with sunshine focus and throw in appointed place, set up fixed mounting seat in the outside of light energy conversion facility in advance, predetermine the piece through pre-buried expansion bolt installation earlier, then establish the outside at predetermineeing the piece with the direct cover of cover groove, shrink when the piece is predetermineeing in the inserted block contact, when the inserted block aligns with the draw-in groove, the inserted block passes through the auto-lock function that the spring beam provided and inserts the draw-in groove and accomplishes the auto-lock fixed, easy dismounting.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the embodiment of the present invention;

FIG. 3 is a partially disassembled schematic view in the embodiment of the present invention;

FIG. 4 is a schematic right-view structural diagram in an embodiment of the present invention;

FIG. 5 is a schematic axial side structure view of the stand according to the embodiment of the present invention;

FIG. 6 is a schematic side-bottom view of the stand according to the embodiment of the present invention;

in fig. 1 to 6, the correspondence between the part names or lines and the reference numbers is:

1. fixing the mounting seat; 101. a storage groove; 102. a foot rest; 103. sleeving a groove; 104. through holes; 105. a side slot; 106. a spring lever; 2. inserting a block; 201. pulling a handle; 3. presetting a piece; 301. a card slot; 302. an expansion bolt; 4. a lifting seat; 5. a connecting rod; 6. a balancing pole; 7. a hydraulic cylinder A; 8. a lifting frame; 801. a hydraulic cylinder B; 9. an angle adjusting seat; 901. a lead screw; 902. a rack; 903. a pointer; 10. a main frame shaft; 1001. an angle measuring disc; 1002. a weight matching code; 11. a camera A; 12. a protective shell; 13. a motor casing; 14. a mounting frame; 1401. a water discharge tank; 1402. a convex lens; 15. and a camera B.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a sunlight collector based on an energy-saving building comprises a fixed mounting seat 1 and a lifting seat 4; the fixed mounting seat 1 also comprises a containing groove 101 and a foot rest 102; the middle of the top of the fixed mounting seat 1 and the middle of the bottom of the lifting seat 4 are provided with accommodating grooves 101; two groups of foot rests 102 are integrally arranged on two sides of the fixed mounting seat 1; the fixed mounting base 1 also comprises a sleeve groove 103, a through hole 104, a side slot 105 and a spring rod 106; a sleeve groove 103 is formed in the middle of the bottom of the fixed mounting seat 1, and a through hole 104 is formed in the middle of the top of the sleeve groove 103 in a penetrating mode in the fixed mounting seat 1; the sleeve groove 103 is a cylindrical groove, and the sleeve groove 103 penetrates through the fixed mounting seat 1 and is provided with a side slot 105; a spring rod 106 is fixedly arranged at the transition position of the sleeve groove 103 and the side slot 105; the side slot 105 is internally provided with an inserting block 2 in a sliding way; the inserting block 2 also comprises a pull handle 201; one side of the insertion block 2 is provided with a conical groove structure, the diameter of the top of the conical groove structure is smaller than that of the sleeve groove 103, and the diameter of the bottom of the conical groove structure is larger than that of the sleeve groove 103; the spring rod 106 penetrates through two sides of the insertion block 2 and is sleeved with a spring and fixedly provided with a stop block; a pull handle 201 is fixedly arranged in the middle of the outer side of the insertion block 2, the outer end of the pull handle 201 is of a circular ring structure, and the pull handle 201 is longer than the spring rod 106; a preset part 3 is arranged in the sleeve groove 103 in a clearance fit manner; the presetting piece 3 also comprises a clamping groove 301 and an expansion bolt 302; the main body of the preset piece 3 is of a cylindrical structure, a clamping groove 301 is formed in the middle of the side of the preset piece 3, and the distance between the upper side and the lower side of the clamping groove 301 is consistent with the distance between the upper side and the lower side of the side slot 105; when the preset piece 3 is embedded into the sleeve groove 103, the clamping groove 301 can be clamped with the conical groove structure of the insertion block 2, and the preset piece 3 is clamped in the sleeve groove 103 through the insertion block 2; the bottom of the preset piece 3 is provided with an expansion bolt 302; a transverse groove is formed in the middle of the top of the preset piece 3; the top of the fixed mounting seat 1 and the bottom of the lifting seat 4 are both rotatably provided with eight groups of connecting rods 5 through hinged connection, and the other ends of the eight groups of connecting rods 5 at the two sides are provided with rotating shafts for rotating connection; the outer ends of the rotating shafts connected with the front connecting rod 5 and the rear connecting rod 5 are respectively and rotatably provided with a balancing rod 6; the inclination directions of the front connecting rod 5 and the rear connecting rod 5 are opposite, and a hydraulic cylinder A7 is arranged between the rotating shafts of the front connecting rod 5 and the rear connecting rod 5; the top of the lifting seat 4 is rotatably provided with a lifting frame 8 through hinged connection; the lifting frame 8 also comprises a hydraulic cylinder B801; the main body of the lifting frame 8 is a telescopic structure formed by splicing two groups of H-shaped frame bodies, and a hydraulic cylinder B801 is fixedly arranged between adjacent surfaces of the upper side and the lower side of the lifting frame 8; the top of the lifting frame 8 is rotatably provided with an angle adjusting seat 9 through hinged connection; a protective shell 12 is fixedly arranged at the top of the angle adjusting base 9, a motor shell 13 is fixedly arranged on one side of the protective shell 12, a motor is fixedly arranged on the motor shell 13, and the motor is in bevel gear transmission connection with the lead screw 901; the angle adjusting base 9 further comprises a lead screw 901, a rack 902 and a pointer 903; the top of the angle adjusting base 9 is transversely and rotatably provided with a lead screw 901 through a shaft bracket structure; the top of the angle adjusting base 9 is transversely provided with a rack 902 in a sliding manner through a guide rail, and the rack 902 is in threaded connection with a lead screw 901; a pointer 903 is fixedly arranged in the middle of the top of the angle adjusting seat 9; the top of the angle adjusting seat 9 is provided with a main frame shaft 10 in a longitudinal rotating way through a shaft frame structure.

The main frame shaft 10 further comprises an angle measuring disc 1001 and a counterweight 1002; the outer side of the main frame shaft 10 is provided with a gear meshed with the rack 902; an angle measuring disc 1001 is fixedly arranged on the outer side of the main frame shaft 10, scales are arranged at the bottom of the angle measuring disc 1001, and the bottom of the angle measuring disc 1001 is attached to the top of the pointer 903; a camera A11 is fixedly arranged at the top of the angle adjusting seat 9, and a lens of the camera A11 is aligned with the bottom of the angle measuring disc 1001; a counterweight code 1002 is fixedly arranged on the outer side of the rear end of the main frame shaft 10; the front end of the main frame shaft 10 is fixedly provided with a mounting frame 14.

Wherein, the mounting rack 14 further comprises a drainage channel 1401 and a convex lens 1402; a camera B15 is fixedly arranged at the rear side of the bottom of the mounting rack 14; the main body of the mounting rack 14 is in a circular truncated cone structure, and a drainage channel 1401 is formed in the side of the top of the mounting rack 14; a convex lens 1402 is fixedly arranged on the top inner side of the mounting frame 14.

The working principle is as follows: during the use, utilize convex lens 1402 with the focus of sunshine and throw in appointed place, set up fixed mounting seat 1 in advance in the outside of light energy conversion facility, install preset 3 through pre-buried expansion bolts 302 earlier, then establish the direct cover in the outside of preset 3 with cover groove 103, shrink when plug block 2 contacts preset 3, when plug block 2 aligns with draw-in groove 301, plug block 2 accomplishes the auto-lock and fixes through the auto-lock function that spring beam 106 provided inserts draw-in groove 301 automatically.

When convex lens 1402 rises in needs, start hydraulic cylinder A7 and strut both sides connecting rod 5, will promote 4 direct jack-ups of seat through connecting rod 5, can realize convex lens 1402's preliminary focusing, further start two sets of pneumatic cylinders B801 as required and rise to different heights, the angle that cooperation hoisting frame 8 will promote seat 4 is adjusted, high convex lens 1402's angular adjustment simultaneously, can realize further assembling to sunshine.

According to the light difference of different times, the motor in the starter motor casing 13 drives lead screw 901 rotatory, and lead screw 901 drives rack 902 and removes, and rack 902 drives the gear rotation in the main frame axle 10 outside, and further main frame axle 10 is rotatory, and main frame axle 10 drives mounting bracket 14 rotatory, adjusts convex lens 1402's angle, realizes the multi-angle and focuses.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sunlight collector based on energy-saving buildings is characterized in that: comprises a fixed mounting seat (1) and a lifting seat (4); the fixed mounting seat (1) also comprises a containing groove (101) and a foot rest (102); the middle of the top of the fixed mounting seat (1) and the middle of the bottom of the lifting seat (4) are provided with accommodating grooves (101); two groups of foot rests (102) are integrally arranged on two sides of the fixed mounting seat (1); the top of the lifting seat (4) is rotatably provided with a lifting frame (8) through hinge connection; the lifting frame (8) also comprises a hydraulic cylinder B (801); the main body of the lifting frame (8) is a telescopic structure formed by splicing two groups of H-shaped frame bodies, and a hydraulic cylinder B (801) is fixedly arranged between adjacent surfaces of the upper side and the lower side of the lifting frame (8); the top of the lifting frame (8) is rotatably provided with an angle adjusting seat (9) through hinged connection; a protective shell (12) is fixedly arranged at the top of the angle adjusting base (9), a motor shell (13) is fixedly arranged on one side of the protective shell (12), a motor is fixedly arranged on the motor shell (13), and the motor is in bevel gear transmission connection with the lead screw (901);

the fixed mounting base (1) further comprises a sleeve groove (103), a through hole (104), a side slot (105) and a spring rod (106); a sleeve groove (103) is formed in the middle of the bottom of the fixed mounting seat (1), and a through hole (104) penetrates through the fixed mounting seat (1) in the middle of the top of the sleeve groove (103); the sleeve groove (103) is a cylindrical groove, and the sleeve groove (103) penetrates through the fixed mounting seat (1) and is provided with a side slot (105); a spring rod (106) is fixedly arranged at the transition position of the sleeve groove (103) and the side slot (105); the side slot (105) is internally provided with an inserting block (2) in a sliding way;

the inserting block (2) also comprises a pull handle (201); a conical groove structure is formed in one side of the inserting block (2), the diameter of the top of the conical groove structure is smaller than that of the sleeve groove (103), and the diameter of the bottom of the conical groove structure is larger than that of the sleeve groove (103); the spring rod (106) penetrates through two sides of the insertion block (2) to be sleeved with the spring and is fixedly provided with a stop block; a pull handle (201) is fixedly arranged in the middle of the outer side of the inserting block (2), the outer end of the pull handle (201) is of a circular ring structure, and the pull handle (201) is longer than the spring rod (106); a preset part (3) is arranged in the sleeve groove (103) in a clearance fit manner;

the preset piece (3) further comprises a clamping groove (301) and an expansion bolt (302); the main body of the preset piece (3) is of a cylindrical structure, a clamping groove (301) is formed in the middle of the side of the preset piece (3), and the distance between the upper side and the lower side of the clamping groove (301) is consistent with the distance between the upper side and the lower side of the side slot (105); when the preset piece (3) is embedded into the sleeve groove (103), the clamping groove (301) can be clamped with the conical groove structure of the insertion block (2), and the preset piece (3) is clamped in the sleeve groove (103) through the insertion block (2); the bottom of the preset piece (3) is provided with an expansion bolt (302); a transverse groove is formed in the middle of the top of the preset piece (3);

the angle adjusting base (9) further comprises a lead screw (901), a rack (902) and a pointer (903); the top of the angle adjusting seat (9) is transversely and rotatably provided with a lead screw (901) through a shaft bracket structure; the top of the angle adjusting seat (9) is transversely provided with a rack (902) in a sliding manner through a guide rail, and the rack (902) is in threaded connection with a lead screw (901); a pointer (903) is fixedly arranged in the middle of the top of the angle adjusting seat (9); the top of the angle adjusting seat (9) is longitudinally and rotatably provided with a main frame shaft (10) through a shaft frame structure, the front end of the main frame shaft (10) is fixedly provided with a mounting frame (14), and the mounting frame (14) further comprises a drainage channel (1401) and a convex lens (1402); a camera B (15) is fixedly arranged on the rear side of the bottom of the mounting rack (14); the main body of the mounting rack (14) is in a circular truncated cone structure, and a drainage groove (1401) is formed in the side of the top of the mounting rack (14); a convex lens (1402) is fixedly arranged on the inner side of the top of the mounting frame (14).

2. The solar collector based on an energy-saving building according to claim 1, wherein: the top of the fixed mounting seat (1) and the bottom of the lifting seat (4) are rotatably provided with eight groups of connecting rods (5) through hinged connection, and the other ends of the eight groups of connecting rods (5) at two sides are rotatably connected through rotating shafts; the outer ends of the rotating shafts connected with the front connecting rod (5) and the rear connecting rod (5) are respectively and rotatably provided with a balancing rod (6); the inclination directions of the front connecting rod (5) and the rear connecting rod (5) are opposite, and a hydraulic cylinder A (7) is arranged between the rotating shafts of the front connecting rod (5) and the rear connecting rod (5).

3. The energy-saving building based solar collector as claimed in claim 1, wherein: the main frame shaft (10) further comprises an angle measuring disc (1001) and a counterweight (1002); the outer side of the main frame shaft (10) is provided with a gear meshed with the rack (902); an angle measuring disc (1001) is fixedly arranged on the outer side of the main frame shaft (10), scales are arranged at the bottom of the angle measuring disc (1001), and the bottom of the angle measuring disc (1001) is attached to the top of the pointer (903); the top of the angle adjusting seat (9) is fixedly provided with a camera A (11), and the lens of the camera A (11) is aligned with the bottom of the angle measuring disc (1001); the outer side of the rear end of the main frame shaft (10) is fixedly provided with a counterweight code (1002).