Three-dimensional stereophotogrammetric device

Abstract

The application provides a three-dimensional photogrammetry device, and relates to the technical field of three-dimensional surveying and mapping, and comprises a photogrammetry base, a swing sliding seat rotatably connected to the top of the photogrammetry base, a sliding transmission mechanism arranged in the swing sliding seat, a sliding driving element for driving a photogrammetry sliding assembly to slide through the sliding transmission mechanism, and a linkage swing transmission mechanism arranged in the swing sliding seat, wherein the photogrammetry sliding assembly is linked to swing the swing sliding seat through the linkage swing transmission mechanism. The device can scan the measured object in all directions, effectively avoids the problem of inaccurate measurement caused by dead angles, and has the advantages of higher measurement accuracy, convenience in use, simple operation, higher work efficiency, and the like. The device solves the problems of the existing photogrammetry devices, such as complicated operation, difficulty in ensuring uniform shooting moving speed during handheld operation, influence on shooting measurement results and measurement accuracy, and easy occurrence of measurement dead angles.

Description

Technical Field

[0001] This invention relates to the field of three-dimensional surveying technology, and in particular to a three-dimensional stereoscopic photogrammetry device. Background Technology

[0002] Photogrammetry typically uses a pair of images with a certain degree of overlap as the measurement unit. In the process of 3D mapping of an object, a handheld scanner is generally used for scanning and measurement.

[0003] For example, application number CN202121055173.5 provides a handheld 3D scanner, belonging to the technical field of 3D scanning equipment. This handheld 3D scanner includes a scanning component and an adjustment component. The scanning component includes a housing, a scanner body, a scanning head, and a handle. The adjustment component includes a rotating rod, a worm gear, a worm wheel, a roller, and a positioning component. The rotating rod is rotatably disposed within the housing. The worm gear is integrally formed within the rotating rod. The worm wheel is disposed on one side of the scanner body, and the worm gear and worm wheel are meshed together. The roller is fixedly sleeved on the surface of the rotating rod. The housing has a through hole, and the roller extends out of the through hole. The positioning component is disposed at the tail of the scanner body and penetrates the housing. The arrangement of the rotating rod, worm gear, worm wheel, roller, and positioning component greatly facilitates the adjustment of the scanner body and scanning head angles, thereby improving scanning accuracy and expanding the applicability.

[0004] However, existing photogrammetry devices require handheld shooting, which is cumbersome. Furthermore, it is difficult to ensure uniform shooting speed during handheld operation, affecting the shooting measurement results and accuracy. It is also difficult to ensure comprehensive shooting during photogrammetry, which can easily lead to measurement blind spots. Summary of the Invention

[0005] In view of this, the present invention provides a three-dimensional stereoscopic photogrammetry device, which realizes the left and right reciprocating sliding of the three-dimensional camera group and the back and forth swinging, so as to scan the object to be measured from all directions, effectively avoiding the problem of inaccurate measurement due to blind spots. At the same time, it does not require manual hand-held operation, has higher measurement accuracy, is convenient to use, simple to operate, and has higher work efficiency.

[0006] This invention provides a three-dimensional stereoscopic photogrammetry device, specifically including: a photogrammetry base;

[0007] A swinging sliding base, which is rotatably connected to the top of the photogrammetry base;

[0008] A sliding drive component is fixedly connected to the rear right side of the swing sliding seat;

[0009] The photography sliding assembly is slidably connected to the inner side of the swing sliding seat, and the bottom of the photography sliding assembly is provided with a three-dimensional camera group;

[0010] The sliding transmission mechanism is arranged in the swing sliding seat, and the sliding driving part drives the photography sliding assembly to slide through the sliding transmission mechanism.

[0011] The linkage swing transmission mechanism is arranged in the swing sliding seat, and the photography sliding assembly swings the swing sliding seat through the linkage swing transmission mechanism.

[0012] Optionally, the photography sliding assembly comprises:

[0013] The sliding guide groove is arranged on the front and rear end faces of the photography sliding assembly, and the photography sliding assembly is slidably connected to the swing sliding seat through the sliding guide groove.

[0014] Optionally, the sliding transmission mechanism comprises:

[0015] The sliding driving shaft is fixedly connected to the front end face of the sliding chain.

[0016] The sliding driven sprocket is rotatably connected to the left side in the swing sliding seat.

[0017] The sliding chain is sleeved on the outside of the sliding driving sprocket and the sliding driven sprocket, and the sliding chain, the sliding driving sprocket and the sliding driven sprocket jointly constitute a chain transmission mechanism.

[0018] Optionally, the sliding chain comprises:

[0019] The guide sliding wheel is rotatably connected to the sliding chain link connection shaft, and the sliding chain is slidably connected to the swing sliding seat through the guide sliding wheel.

[0020] Optionally, the sliding transmission mechanism comprises:

[0021] The sliding driving shaft is fixedly connected to the front end face of the sliding chain.

[0022] The driving sliding groove is arranged on the top of the photography sliding assembly, and the sliding driving shaft is slidably connected in the driving sliding groove.

[0023] Optionally, the linkage swing transmission mechanism comprises:

[0024] The swing worm is rotatably connected to the left side in the swing sliding seat.

[0025] The ratchet mechanism is coaxially connected to the rear end face of the swing worm.

[0026] The swing driven gear is coaxially arranged outside the ratchet mechanism, and is fixedly connected with the ratchet assembly of the ratchet mechanism.

[0027] Optionally, the linkage swing transmission mechanism comprises:

[0028] The swing driving gear is coaxially fixedly connected to the left end surface of the intermediate transmission shaft, and is engaged with the swing gear ring to jointly form an internal gear transmission mechanism.

[0029] Optionally, the linkage swing transmission mechanism comprises:

[0030] The intermediate transmission shaft is rotatably connected to the inside of the left shaft of the swing sliding seat;

[0031] The swing worm wheel is coaxially fixedly connected to the right end surface of the intermediate transmission shaft, and the swing worm gear is engaged with the swing worm wheel to jointly form a worm wheel and worm gear transmission mechanism.

[0032] Optionally, the linkage swing transmission mechanism comprises:

[0033] The swing mounting seat is fixedly connected to the left and right sides of the photogrammetry base, and the two ends of the swing sliding seat are rotatably connected to the swing mounting seat;

[0034] The swing gear ring is slidably connected to the inside of the left swing mounting seat, and a plurality of gear ring sliding grooves are arranged on the outer circumference of the swing gear ring.

[0035] Optionally, the linkage swing transmission mechanism comprises:

[0036] The swing driving gear is coaxially fixedly connected to the left end surface of the intermediate transmission shaft, and is engaged with the swing gear ring to jointly form an internal gear transmission mechanism.

[0037] Advantages

[0038] The three-dimensional camera group can realize left-right reciprocating sliding and front-back swinging simultaneously, can scan the measured object in all directions, effectively avoids the problem of inaccurate measurement caused by dead angle, does not need manual holding, has higher measurement accuracy, is convenient to use, simple to operate, and has higher working efficiency.

[0039] Moreover, in use, the measured object is placed in the middle of the photogrammetry base, the sliding driving member drives the sliding chain to move through the chain transmission mechanism composed of the sliding chain, the sliding driving sprocket and the sliding driven sprocket, the sliding chain drives the photogrammetry sliding assembly to slide through the sliding driving shaft, when the photogrammetry sliding assembly slides to the lower right side, the photogrammetry sliding assembly drives the swing driven gear to rotate through the gear and rack transmission mechanism composed of the meshing of the swing driving rack and the swing driven gear, the swing driven gear drives the one-way rotation of the swing worm through the ratchet mechanism, the swing worm drives the middle transmission shaft to rotate through the worm and gear transmission mechanism composed of the swing worm and the swing worm gear, the middle transmission shaft drives the swing driving gear to roll on the swing gear through the internal gear transmission mechanism composed of the meshing of the swing driving gear and the swing gear, drives the swing sliding seat to swing, realizes the automatic adjustment of the swing sliding seat angle, the photogrammetry sliding assembly realizes the front and back swing while realizing the left and right reciprocating slide through the three-dimensional camera group, can scan the measured object in all directions, effectively avoids the dead angle of shooting, reduces the handheld operation, greatly improves the working efficiency, can better control the moving speed, and improves the shooting measurement precision.

[0040] Moreover, after the photogrammetry is finished, the swing gear is slid to the left through the gear operation handle, at this time, the swing gear is disengaged from the swing driving gear, the swing sliding seat is swung to the back, then the swing gear is slid to the right back to the original position, ready for the next measurement, convenient to use and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0042] The drawings described in the following merely relate to some embodiments of the present application, and are not a limitation on the present application.

[0043] In the drawings:

[0044] Figure 1 A schematic view showing the whole of the photogrammetry device according to the embodiment of the present application is shown;

[0045] Figure 2 A schematic view showing the internal transmission of the photogrammetry device according to the embodiment of the present application is shown;

[0046] Figure 3 A rear schematic view showing the internal transmission of the photogrammetry device according to the embodiment of the present application is shown;

[0047] Figure 4 A schematic view showing the photogrammetry device according to the embodiment of the present application is shown; Figure 3 A partial enlarged schematic view of A in the middle;

[0048] Figure 5 A transmission schematic diagram of the intermediate transmission shaft of the photogrammetry device according to the embodiment of the present application is shown;

[0049] Figure 6 A mounting schematic diagram of the swing driving gear of the photogrammetry device according to the embodiment of the present application is shown;

[0050] Figure 7 A transmission schematic diagram of the swing driving gear of the photogrammetry device according to the embodiment of the present application is shown;

[0051] Figure 8 A transmission schematic diagram of the swing driving gear of the photogrammetry device according to the embodiment of the present application is shown;

[0052] Figure 9 A transmission schematic diagram of the swing driving gear of the photogrammetry device according to the embodiment of the present application is shown.

[0053] List of reference signs

[0054] 1, photogrammetry base; 101, swing mounting seat; 2, swing sliding seat; 3, sliding driving piece; 301, sliding driving sprocket; 4, sliding chain; 401, guide sliding wheel; 402, sliding driving shaft; 5, sliding driven sprocket; 6, photogrammetry sliding assembly; 601, driving sliding groove; 602, sliding guide groove; 603, swing driving rack; 7, swing worm; 701, ratchet mechanism; 702, swing driven gear; 8, intermediate transmission shaft; 801, swing worm wheel; 802, swing driving gear; 9, swing gear ring; 901, gear ring sliding groove; 902, gear ring operation handle. DETAILED DESCRIPTION

[0055] In order to make the purpose, scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the embodiment of the present application will be described clearly and completely in the following with reference to the drawings of the specific embodiment of the present application. The terms used herein have the general meaning in the art unless otherwise specified. The same reference signs in the drawings represent the same components.

[0056] Embodiment: please refer to Figures 1 to 9 :

[0057] The present application proposes a three-dimensional photogrammetry device, comprising: a photogrammetry base 1;

[0058] A swing sliding seat 2 is rotationally connected to the top of the photogrammetry base 1;

[0059] A sliding driving piece 3 is fixedly connected to the right rear part of the swing sliding seat 2;

[0060] The photography sliding assembly 6 is slidingly connected to the inner side of the swing sliding seat 2, and the bottom of the photography sliding assembly 6 is provided with a three-dimensional camera group;

[0061] The sliding transmission mechanism is arranged in the swing sliding seat 2, and the sliding driving part 3 drives the photography sliding assembly 6 to slide through the sliding transmission mechanism;

[0062] The linkage swing transmission mechanism is arranged in the swing sliding seat 2, and the photography sliding assembly 6 swings the swing sliding seat 2 through the linkage swing transmission mechanism.

[0063] In addition, according to the embodiment of the present application, as shown in Figure 9 The photography sliding assembly 6 comprises:

[0064] The sliding guide groove 602 is arranged on the front and rear end faces of the photography sliding assembly 6, and is in an arc shape; the photography sliding assembly 6 is slidingly connected to the swing sliding seat 2 through the sliding guide groove 602; in use, the sliding guide groove 602 guides the photography sliding assembly 6, and ensures that the three-dimensional camera group always faces the center of the circle.

[0065] In addition, according to the embodiment of the present application, as shown in Figure 2 The sliding transmission mechanism comprises:

[0066] The sliding driving part 3 is coaxially fixedly connected to the rotating shaft of the sliding driving part 3.

[0067] The sliding driven sprocket 5 is rotatably connected to the left side in the swing sliding seat 2.

[0068] The sliding chain 4 is sleeved on the outside of the sliding driving sprocket 301 and the sliding driven sprocket 5, and the sliding chain 4, the sliding driving sprocket 301 and the sliding driven sprocket 5 jointly constitute a chain transmission mechanism; in use, the sliding driving part 3 drives the sliding chain 4 to move through the chain transmission mechanism jointly constituted by the sliding chain 4, the sliding driving sprocket 301 and the sliding driven sprocket 5.

[0069] In addition, according to the embodiment of the present application, as shown in Figure 4 The sliding chain 4 comprises:

[0070] The guide sliding wheel 401 is rotatably connected to the link connection shaft of the sliding chain 4, and the sliding chain 4 is slidingly connected to the swing sliding seat 2 through the guide sliding wheel 401, so that the sliding chain 4 moves along the arc.

[0071] In addition, according to the embodiment of the present application, as shown in Figure 9 The sliding transmission mechanism comprises:

[0072] A sliding driving shaft 402 is fixedly connected to the front end surface of the sliding chain 4;

[0073] A driving sliding groove 601 is arranged on the top of the photographing sliding assembly 6, and the sliding driving shaft 402 is slidingly connected in the driving sliding groove 601. In use, when the sliding chain 4 moves, the photographing sliding assembly 6 is driven to slide by the sliding driving shaft 402.

[0074] In addition, according to the embodiment of the present application, as shown in Figure 5 The linkage swing transmission mechanism comprises:

[0075] A swing worm 7 is rotatably connected to the inner left side of the swing sliding seat 2;

[0076] A ratchet mechanism 701 is coaxially connected to the rear end surface of the swing worm 7;

[0077] A swing driven gear 702 is coaxially arranged outside the ratchet mechanism 701, the swing driven gear 702 is fixedly connected with the ratchet assembly of the ratchet mechanism 701, and the swing worm 7 is fixedly connected with the pawl assembly of the ratchet mechanism 701. In use, the swing driven gear 702 and the swing worm 7 are realized one-way transmission through the ratchet mechanism 701.

[0078] In addition, according to the embodiment of the present application, as shown in Figure 5 The linkage swing transmission mechanism comprises:

[0079] A swing driving rack 603 is fixedly connected to the lower part of the photographing sliding assembly 6. When the photographing sliding assembly 6 slides to the rightmost lower part, the swing driving rack 603 is engaged with the swing driven gear 702 to form a gear and rack transmission mechanism. In use, when the photographing sliding assembly 6 slides to the rightmost lower part, the photographing sliding assembly 6 drives the swing driven gear 702 to rotate through the gear and rack transmission mechanism formed by the engagement of the swing driving rack 603 and the swing driven gear 702.

[0080] In addition, according to the embodiment of the present application, as shown in Figure 5 The linkage swing transmission mechanism comprises:

[0081] An intermediate transmission shaft 8 is rotatably connected to the inner side of the left rotating shaft of the swing sliding seat 2;

[0082] Swing worm wheel 801, swing worm wheel 801 coaxial fixed connection in the right end face of intermediate transmission shaft 8, swing worm 7 and swing worm wheel 801 mesh together constitute worm gear drive mechanism, in use, when swing worm 7 rotates, swing worm 7 through by swing worm 7 and swing worm wheel 801 together constitute worm gear drive mechanism drive intermediate transmission shaft 8 rotation.

[0083] In addition, according to the embodiment of the present application, as shown in Figure 7 And Figure 8 As shown, the linkage swing transmission mechanism comprises:

[0084] Swing mounting seat 101, swing mounting seat 101 fixedly connected to the left and right sides of photogrammetry base 1, both ends of swing sliding seat 2 are rotatably connected with swing mounting seat 101;

[0085] Swing gear ring 9, swing gear ring 9 is slidably connected to the inner side of the left group of swing mounting seat 101, the outer side of swing gear ring 9 is circumferentially arrayed with gear ring sliding groove 901, swing gear ring 9 is slidably connected with swing mounting seat 101 through gear ring sliding groove 901, the front end face of swing gear ring 9 is provided with a group of gear ring operation handle 902, in use, the position of swing gear ring 9 can be adjusted through gear ring operation handle 902.

[0086] In addition, according to the embodiment of the present application, as shown in Figure 8 The linkage swing transmission mechanism comprises:

[0087] Swing driving gear 802, swing driving gear 802 is coaxially fixedly connected to the left end face of intermediate transmission shaft 8, swing driving gear 802 is meshed with swing gear ring 9 to form an internal gear transmission mechanism, in use, when intermediate transmission shaft 8 rotates, intermediate transmission shaft 8 drives swing driving gear 802 to roll on swing gear ring 9 through the internal gear transmission mechanism formed by swing driving gear 802 and swing gear ring 9, drives swing sliding seat 2 to swing, and realizes the automatic adjustment of the angle of swing sliding seat 2.

[0088] The specific use and role of the embodiment are as follows: in use, the measured object is placed in the middle of the photogrammetry base 1, the sliding drive 3 drives the sliding chain 4 to move through the chain transmission mechanism composed of the sliding chain 4, the sliding driving sprocket 301 and the sliding driven sprocket 5, the sliding chain 4 drives the photographic sliding assembly 6 to slide through the sliding drive shaft 402; when the photographic sliding assembly 6 slides to the lower rightmost side, the photographic sliding assembly 6 drives the swing driven gear 702 to rotate through the gear and rack transmission mechanism composed of the engagement of the swing driving rack 603 and the swing driven gear 702, the swing driven gear 702 drives the one-way rotation of the swing worm 7 through the ratchet mechanism 701, the swing worm 7 drives the rotation of the intermediate transmission shaft 8 through the worm and gear transmission mechanism composed of the swing worm 7 and the swing worm gear 801, the intermediate transmission shaft 8 drives the swing driving gear 802 to roll on the swing gear ring 9 through the internal gear transmission mechanism composed of the engagement of the swing driving gear 802 and the swing gear ring 9, drives the swing of the swing sliding seat 2, realizes the automatic adjustment of the angle of the swing sliding seat 2, the photographic sliding assembly 6 performs photogrammetry through the three-dimensional camera group, realizes the front and back swing while realizing the left and right reciprocating slide, and can scan the measured object in all directions. When the photogrammetry is completed, the swing gear ring 9 is slid to the left through the gear ring operation handle 902, at this time, the swing gear ring 9 is disengaged from the swing driving gear 802, the swing sliding seat 2 is swung to the back, then the swing gear ring 9 is slid to the right to the original position, and is ready for the next measurement.

[0089] Finally, it should be noted that, in the description of the positions of various components and the cooperation relationship therebetween, etc., one component / pair of components is usually taken as an example, however, those skilled in the art should understand that such positions, cooperation relationship, etc. are also applicable to other components / other pairs of components.

[0090] The above description is only exemplary embodiments of the present application, and is not intended to limit the protection scope of the present application, and the protection scope of the present application is determined by the appended claims.

Claims

1. A three-dimensional stereophotogrammetric apparatus, characterized by Include: Photogrammetry base (1); Swing sliding seat (2), swing sliding seat (2) is rotatably connected to the top of photogrammetry base (1); Sliding drive (3), sliding drive (3) is fixedly connected to the right rear of swing sliding seat (2); Photographic sliding assembly (6), the inner side of swing sliding seat (2) is slidably connected with photographic sliding assembly (6), and three-dimensional camera group is arranged at the bottom of photographic sliding assembly (6); Sliding transmission mechanism, sliding transmission mechanism is arranged in swing sliding seat (2), and sliding drive (3) drives photographic sliding assembly (6) to slide through sliding transmission mechanism; Linkage swing transmission mechanism, linkage swing transmission mechanism is arranged in swing sliding seat (2), and photographic sliding assembly (6) is swinged through linkage swing transmission mechanism linkage swing sliding seat (2); The linkage swing transmission mechanism comprises: Swing worm (7), swing worm (7) is rotatably connected to the left side of swing sliding seat (2) inside; Ratchet mechanism (701), ratchet mechanism (701) is coaxially connected to the rear end surface of swing worm (7); Swing driven gear (702), swing driven gear (702) is coaxially arranged outside ratchet mechanism (701), swing driven gear (702) is fixedly connected with ratchet assembly of ratchet mechanism (701), and swing worm (7) is fixedly connected with pawl assembly of ratchet mechanism (701); Swing driving rack (603), swing driving rack (603) is fixedly connected to the lower part of photographic sliding assembly (6), when photographic sliding assembly (6) slides to the rightmost lower part, swing driving rack (603) is engaged with swing driven gear (702) to form gear and rack transmission mechanism; Intermediate transmission shaft (8), intermediate transmission shaft (8) is rotatably connected to the left side of swing sliding seat (2) inside; Swing worm wheel (801), swing worm wheel (801) is coaxially fixedly connected to the right end surface of intermediate transmission shaft (8), and swing worm (7) is engaged with swing worm wheel (801) to form worm and worm gear transmission mechanism; Swing mounting seat (101), swing mounting seat (101) is fixedly connected to the left and right sides of photogrammetry base (1), and both ends of swing sliding seat (2) are rotatably connected with swing mounting seat (101); Swing gear ring (9), swing gear ring (9) is slidably connected to the inner side of left swing mounting seat (101), and a plurality of gear ring sliding grooves (901) are arranged on the outer side of swing gear ring (9); swing gear ring (9) is slidably connected with swing mounting seat (101) through gear ring sliding groove (901), and a group of gear ring operation handles (902) are arranged on the front end surface of swing gear ring (9) Swing driving gear (802), swing driving gear (802) is coaxially fixedly connected to the left end surface of intermediate transmission shaft (8), and swing driving gear (802) is engaged with swing gear ring (9) to form internal gear transmission mechanism.

2. The apparatus for three-dimensional stereophotogrammetry of claim 1, wherein: The photographic sliding assembly (6) comprises: Sliding guide groove (602), sliding guide groove (602) is opened in front and rear end surface of photography sliding assembly (6), sliding guide groove (602) is arc structure, and photography sliding assembly (6) is slidably connected with swing sliding seat (2) through sliding guide groove (602).

3. The apparatus of claim 1, wherein: The sliding transmission mechanism comprises: Sliding driving sprocket (301), the sliding driving sprocket (301) is coaxially fixedly connected on the rotating shaft of sliding driving part (3); Sliding driven sprocket (5), the sliding driven sprocket (5) is rotatably connected inside left side of swing sliding seat (2): Sliding chain (4), the sliding chain (4) is sleeved on the outside of sliding driving sprocket (301) and sliding driven sprocket (5), and sliding chain (4), sliding driving sprocket (301) and sliding driven sprocket (5) constitute chain transmission mechanism.

4. The apparatus of claim 3, wherein: The sliding chain (4) comprises: Guide sliding wheel (401), the guide sliding wheel (401) is rotatably connected on the link connection shaft of sliding chain (4), and sliding chain (4) is slidably connected with swing sliding seat (2) through guide sliding wheel (401).

5. The apparatus of claim 3, wherein: The sliding transmission mechanism comprises: Sliding driving shaft (402), the sliding driving shaft (402) is fixedly connected on the front end surface of sliding chain (4); Drive sliding groove (601), the drive sliding groove (601) is opened in the top of photography sliding assembly (6), and sliding driving shaft (402) is slidably connected in drive sliding groove (601).

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