CN110966989B

CN110966989B - Guide rail bracket for close-range photogrammetry

Info

Publication number: CN110966989B
Application number: CN201911170108.4A
Authority: CN
Inventors: 陈思吉; 王晓红; 罗芳丽
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-11-26
Anticipated expiration: 2039-11-26
Also published as: CN110966989A

Abstract

The invention discloses a guide rail bracket for close-range photogrammetry, which is characterized in that; clamping device (2) are gone into to the card above track structure (1), below fixed mounting have supporting foot rest (3), track structure (1) comprises a plurality of track A (4) the same, the same a plurality of track B (5), penetrates bolt A (6) below a plurality of track A (4) and twists a plurality of track B (5) and connect. The close-range photogrammetry of the invention can carry out equidistant shooting and sufficient overlapping degree in the shooting process.

Description

Guide rail bracket for close-range photogrammetry

Technical Field

The invention belongs to the technical field of photography, and particularly relates to a guide rail bracket for close-range photogrammetry.

Background

Along with the continuous development of the society of people, the economic level of people is greatly improved, people pay more attention to the quality of life, and photographic equipment such as a video camera, a camera and the like are also continuously popularized; meanwhile, the economic development of the boosting mapping technology and the novel mapping equipment technology, particularly the development of the new mapping technology represented by close-range photogrammetry, enables the close-range photogrammetry, particularly instrument equipment, to be greatly improved, and although the close-range photogrammetry equipment is greatly improved in volume, in the actual measurement operation, the heavy close-range photogrammetry task and the specification are faced, so that the physical consumption of operators is often reduced by means of a support. At present, a bracket for photogrammetry is mainly a tripod bracket, so that the problems that close-range photogrammetry cannot be performed at equal intervals in the photographing process and the overlapping degree is insufficient are caused.

Disclosure of Invention

The invention aims to overcome the defects and provide a guide rail bracket for close-range photogrammetry, which can shoot at equal distances and has sufficient overlapping degree during the photography process.

The purpose of the invention and the main technical problem of solving the invention are realized by adopting the following technical scheme:

the invention relates to a guide rail bracket for close-range photogrammetry, which is characterized in that; the clamping device is clamped on the track structure, the supporting foot frame is fixedly mounted below the track structure, the track structure is composed of a plurality of identical tracks A and a plurality of identical tracks B, and bolts A penetrate through the lower surfaces of the tracks A and are screwed into the tracks B for connection.

The track A and the track B are circular rings at the upper parts, square rings with arc-shaped grooves are arranged at the upper parts at the lower parts, the lower part of the track A is short, the upper part of the track A is long, and the lower part of the track B is long, and the upper part of the track B is short.

Clamping device is by the casing, slide rail A, bolt B, camera solid fixed sliding block, the buckle, a slide, the balancing weight, slide rail B, bolt C, the gyro wheel, including a motor, an end cap, a controller, and a cover plate, speed relay, the battery, the fixed frame of camera is constituteed about the casing, both ends difference fixed connection slide rail A about the casing, the slide, insert camera solid fixed sliding block below the slide rail A, be provided with camera fixed frame below the camera solid fixed sliding block, twist bolt B above the slide rail A and block camera solid fixed sliding block, install the motor in the inside hollow casing respectively, speed relay, the battery, the epaxial fixed cover of motor has the gyro wheel, the gyro wheel is worn out casing and track A, contact above the track B, fixed connection buckle below the casing, two buckle cards are at track A, above the track B, slide rail B twists bolt C and blocks, slide rail B fixed connection balancing weight.

The buckle is in a relative angle shape, has a hollow circular arc shape inside, and is clamped into the track A and the track B to be matched.

The left end of the camera fixing sliding block is trapezoidal, and a downward concave trapezoidal sliding groove is formed in the camera fixing sliding block.

An upwards convex trapezoidal track is arranged below the sliding rail A.

A downward concave trapezoidal sliding groove is arranged on the sliding seat.

And an upwards convex trapezoidal track is arranged below the sliding rail B.

The supporting foot frames are 3-4 identical and respectively composed of a sliding sleeve, a marble, a lower foot frame and a foot pad, the lower foot frame is inserted into the sliding sleeve, the marble is clamped into the lower foot frame, the foot pad is fixedly connected below the lower foot frame, and the track A and the track B are fixedly connected above the sliding sleeve.

Compared with the prior art, the invention has obvious beneficial effects, and the technical scheme shows that: the invention adopts the connection that bolts A are threaded into a plurality of tracks B below a plurality of tracks A. The track A and the track B are circular rings at the upper parts, square rings with arc-shaped grooves are arranged at the upper parts at the lower parts, the lower part of the track A is short, the upper part of the track A is long, and the lower part of the track B is long, and the upper part of the track B is short. A group of concentric aluminum alloy circular track materials are adopted, so that the self weight of the track can be reduced, the material cost can be reduced on the premise of ensuring the acid and corrosion resistance of the guide rail, and the resource utilization is more reasonable and the benefit is maximized. The track structure is formed by combining and splicing a plurality of sections of a track A and a track B, and the circular track is divided into sections which can reduce the storage volume of the track. The splicing of the track structure is carried out by adopting a multi-section screw fixing connection mode. Wherein; both ends difference fixed connection slide rail A about the casing, the slide, insert camera solid fixed sliding block below the slide rail A, be provided with the fixed frame of camera below the camera solid fixed sliding block, twist bolt B above the slide rail A and block camera solid fixed sliding block, install the motor in the hollow casing of inside respectively, speed relay, the battery, the epaxial fixed cover of motor has the gyro wheel, the gyro wheel is worn out casing and track A, contact above the track B, fixed connection buckle below the casing, two buckle cards are at track A, the higher authority that track B constitutes, the card is gone into slide rail B and is twisted bolt C and block on the slide, slide rail B fixed connection balancing weight. The speed relay can control the clamping device to move at a constant speed on the annular track, so that the imaging intervals are ensured to be the same, and the problems of overlapping degree and space configuration of imaging images in close-range photogrammetry are solved. Wherein; a lower foot rest is inserted into the sliding sleeve, a marble is clamped into the lower foot rest, a foot pad is fixedly connected below the lower foot rest, and a track A and a track B are fixedly connected above the sliding sleeve. The support part utilizes "cylinder slide structure", and similar umbrella structure that stretches out and draws back can be so that the supporting leg is convenient for accomodate and carry, reduces transportation work load in surveying and mapping personnel transportation equipment, reduces cost of transportation. The base part is mainly made of metal, the bottom of the base part is provided with a rubber anti-slip pad, and the design can play an anti-slip role on the premise of ensuring the stability of bearing. In a word, the close-range photogrammetry can shoot at equal intervals and has sufficient overlapping degree in the photographic process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the track structure of the present invention;

FIG. 4 is a bottom view of the track structure of the present invention;

FIG. 5 is a schematic view of the structure of track A of the present invention;

FIG. 6 is a schematic view of the structure of track B of the present invention;

FIG. 7 is a sectional view A-A of FIG. 6;

FIG. 8 is a schematic view of the structure of the clamping device of the present invention 1;

FIG. 9 is a schematic view of the construction of the clamping device of the present invention, FIG. 2;

FIG. 10 is a top view of the clamping device of the present invention;

FIG. 11 is a cross-sectional view of FIG. 10B-B;

FIG. 12 is a schematic view of the structure of the camera mounting block of the present invention;

FIG. 13 is a schematic structural view of the slide rail of the present invention;

FIG. 14 is a schematic structural view of the carriage of the present invention;

FIG. 15 is a schematic structural view of a slide rail B according to the present invention;

FIG. 16 is a schematic structural view of a supporting leg of the present invention;

FIG. 17 is a top view of the supporting leg of the present invention

Fig. 18 is a cross-sectional view of fig. 17C-C.

The labels in the figure are:

1. the camera comprises a track structure, 2, a clamping device, 3, a supporting foot stand, 4, tracks A, 5, tracks B, 6, bolts A, 7, a shell, 8, sliding rails A, 9, bolts B, 10, a camera fixing sliding block, 11, a buckle, 12, a sliding seat, 13, a balancing weight, 14, sliding rails B, 15, bolts C, 16, a roller, 17, a motor, 18, a speed relay, 19, a battery, 20, a camera fixing frame, 21, a sliding sleeve, 22, a marble, 23, a lower foot stand, 24 and a foot pad.

Detailed Description

The invention is further described with reference to the following drawings and detailed description.

As shown in fig. 1 to 18, a guide rail bracket for close-range photogrammetry of the present invention is characterized in that; the clamping device 2 is clamped on the track structure 1, the supporting foot stand 3 is fixedly installed on the lower portion of the track structure 1, the track structure 1 is composed of a plurality of identical tracks A4 and a plurality of identical tracks B5, and bolts A6 penetrate through the lower portions of a plurality of tracks A4 and are screwed into a plurality of tracks B5 to be connected.

The track A4 and the track B5 are circular rings at the upper part, the square ring with an arc-shaped groove is arranged at the upper part at the lower part, the lower part of the track A4 is short, the upper part of the track A is long, and the lower part of the track B5 is long, and the upper part of the track B5 is short.

The clamping device 2 comprises a shell 7, a slide rail A8, a bolt B9, a camera fixing slide block 10, a buckle 11, a slide base 12, a balancing weight 13, a slide rail B14, a bolt C15, a roller 16, a motor 17, a speed relay 18, a battery 19 and a camera fixing frame 20, wherein the left end and the right end of the shell 7 are respectively fixedly connected with the slide rail A8 and the slide base 12, the camera fixing slide block 10 is inserted below a slide rail A8, the camera fixing frame 20 is arranged below the camera fixing slide block 10, the bolt B9 is screwed on the slide rail A8 to clamp the camera fixing slide block 10, the motor 17, the speed relay 18 and the battery 19 are respectively arranged in the shell 7 which is hollow inside, the roller 16 is fixedly sleeved on a shaft of the motor 17, the roller 16 penetrates through the shell 7 to be in contact with the upper surfaces of a rail A4 and a rail B5, the buckle 11 is fixedly connected below the shell 7, the two buckles 11 are clamped on the rail A4 and a rail B5, the slide rail B14 is clamped on the slide base 12 to be clamped by the bolt C15, the slide rail B14 is fixedly connected with the balancing weight 13.

The buckle 11 is in a relative angle shape, has a hollow circular arc inside, and is clamped into the track A4 and the track B5 to be matched.

The left end of the camera fixing slide block 10 is trapezoidal, and a downward concave trapezoidal sliding groove is formed in the left end.

An upwards convex trapezoidal track is arranged below the sliding rail A8.

A trapezoidal sliding groove which is concave downwards is arranged on the sliding seat 12.

An upward convex trapezoidal track is arranged below the sliding rail B14.

The supporting foot frames 3 are the same in number from 3 to 4 and respectively comprise a sliding sleeve 21, a marble 22, a lower foot frame 23 and a foot pad 24, the lower foot frame 23 is inserted into the sliding sleeve 21, the marble 22 is clamped into the lower foot frame 23, the foot pad 24 is fixedly connected to the lower part of the lower foot frame 23, and the upper part of the sliding sleeve 21 is fixedly connected to the lower parts of a track A4 and a track B5.

During installation, as shown in fig. 1-18, the first step: firstly, the height of the support is determined according to the information of the size, the direction and the like of a shot object, then the support is adjusted and installed on a guide rail for close-range photogrammetry, and the method can ensure the imaging accuracy.

Step two: the segmented rails A4 and B5 are assembled by bolts A6, and a gap is reserved for installing the clamping device 2.

Step three, an imaging device camera, a mobile phone or a camera is arranged on a camera fixing frame 20 through a threaded hole on the left end of a camera fixing slide block 10, the camera fixing slide block 10 can slide on a slide rail 8 through a sliding groove, after the position of the camera fixing slide block 10 on the slide rail 8 is adjusted, the camera fixing slide block is fixed by a positioning screw 9, after the extension or shortening of a balancing weight block 13 is adjusted, the camera fixing slide block is fixed by a bolt C15, and after a speed relay 18 switch of a clamping device 2 is opened, the clamping device 2 is used for running on a concave-convex rail structure of a rail 1 for debugging. And carrying out speed regulation according to specific requirements in the later photographing process. By adopting the structure and the method, the requirements of different imaging distances can be met, and the quality of imaging influence is better ensured.

And step four, opening a speed relay 18 switch, wherein the speed relay 18 is preset to move at a constant speed, and an observer can adjust the movement speed of the roller 16 on the clamping device 2 according to the speed fed back by the photoelectric gate and the requirements of imaging precision and the like of actual projects. The method can not only perfectly solve the problem of inconsistent imaging intervals of the images, but also solve the problem that the overlapping degree of the imaged photos is difficult to ensure.

Claims

1. A guide rail bracket for close-range photogrammetry is characterized in that; the clamping device (2) is clamped on the upper surface of the track structure (1), the supporting foot stool (3) is fixedly installed on the lower surface of the track structure, the track structure (1) consists of a plurality of identical tracks A (4) and a plurality of identical tracks B (5), bolts A (6) penetrate through the lower surfaces of the tracks A (4) and are screwed into the tracks B (5) for connection, the clamping device (2) consists of a shell (7), a slide rail A (8), a bolt B (9), a camera fixing slide block (10), a buckle (11), a slide seat (12), a balancing weight (13), a slide rail B (14), a bolt C (15), a roller (16), a motor (17), a speed relay (18), a battery (19) and a camera fixing frame (20), the slide rail A (8) and the slide seat (12) are fixedly connected with the left end and the right end of the shell (7) respectively, the camera fixing slide block (10) is inserted below the slide rail A (8), be provided with camera fixed frame (20) below camera fixed sliding block (10), it blocks camera fixed sliding block (10) to twist bolt B (9) above slide rail A (8), install motor (17) respectively in inside hollow casing (7), speed relay (18), battery (19), the epaxial fixed cover of motor (17) has gyro wheel (16), casing (7) and track A (4) are worn out in gyro wheel (16), contact above track B (5), fixed connection buckle (11) below casing (7), two buckle (11) card are in track A (4), above track B (5), it twists bolt C (15) and blocks to block slide rail B (14) go up the card, slide rail B (14) fixed connection balancing weight (13).

2. The guide rail bracket for close-up photogrammetry of claim 1, wherein; the track A (4) and the track B (5) are circular rings at the upper part, square rings with arc-shaped grooves are arranged on the upper part of the lower part, the lower part of the track A (4) is short, the upper part of the track A is long, and the lower part of the track B (5) is long, and the upper part of the track B is short.

3. The guide rail bracket for close-up photogrammetry of claim 1, wherein; the buckle (11) is in a relative angle shape, has a hollow circular arc shape inside, and is clamped into the track A (4) and the track B (5) to be matched.

4. The guide rail bracket for close-up photogrammetry of claim 1, wherein; the left end of the camera fixing sliding block (10) is trapezoidal, and a downward concave trapezoidal sliding groove is formed in the left end of the camera fixing sliding block.

5. The guide rail bracket for close-up photogrammetry of claim 1, wherein; an upwards convex trapezoidal track is arranged below the sliding rail A (8).

6. The guide rail bracket for close-up photogrammetry of claim 1, wherein; a trapezoidal sliding groove which is recessed downwards is arranged on the sliding seat (12).

7. The guide rail bracket for close-up photogrammetry of claim 1, wherein; an upwards convex trapezoidal track is arranged below the sliding rail B (14).

8. The guide rail bracket for close-up photogrammetry of claim 1, wherein; the supporting foot frames (3) are the same in number, and respectively comprise a sliding sleeve (21), marbles (22), a lower foot frame (23) and foot pads (24), the lower foot frame (23) is inserted into the sliding sleeve (21), the marbles (22) are clamped into the lower foot frame (23), the foot pads (24) are fixedly connected below the lower foot frame (23), and the track A (4) and the track B (5) are fixedly connected above the sliding sleeve (21).