CN216745975U - Portable three-dimensional laser scanning target ball with ground control point centering - Google Patents
Portable three-dimensional laser scanning target ball with ground control point centering Download PDFInfo
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- CN216745975U CN216745975U CN202220225669.0U CN202220225669U CN216745975U CN 216745975 U CN216745975 U CN 216745975U CN 202220225669 U CN202220225669 U CN 202220225669U CN 216745975 U CN216745975 U CN 216745975U
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- target ball
- rod
- rotating rod
- connecting rod
- ground control
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Abstract
The utility model discloses a portable three-dimensional laser scanning target ball aligned with a ground control point, which comprises a target ball, wherein a connecting rod for supporting the target ball is arranged below the target ball, a supporting rod extends from the bottom end of the target ball, a threaded sleeve is inserted into the top of the supporting rod, a threaded hole is formed in one side of the threaded sleeve, the supporting rod is fixed on the threaded sleeve through an external screw rod which is screwed inwards continuously to realize the arrangement of the target ball, the bottom end of the connecting rod is sharp, and a bracket is arranged at the bottom of the connecting rod. The bottom end of the connecting rod is arranged in a sharp shape to center a ground control point, so that the placing is more accurate, the accuracy of target center positioning is improved through flexible adjustment of the bracket arranged at the bottom, the transformation accuracy and the registration accuracy of the three-dimensional laser point cloud coordinate are further improved, the bracket is arranged so that the whole body is more stable, the instability cannot occur even if the wind is strong or the terrain is uneven, and the support is not stable enough when the terrain is not completely horizontal.
Description
Technical Field
The utility model relates to a portable three-dimensional laser scanning target ball which is centered with a ground control point.
Background
The three-dimensional laser scanning technology is an advanced three-dimensional scanning technology, fine three-dimensional point cloud data of a ground target are obtained in a non-contact mode, the target is used as a control point in coordinate conversion and a connection point in point cloud splicing in three-dimensional laser scanning, local coordinates of the point cloud can be converted into geodetic coordinates, and accurate splicing of multiple sections of the point cloud is achieved. Among them, the patent is CN108759772A entitled "dial for angle recognition and three-dimensional laser scanner target with the dial", and the patent is CN207379451U entitled "three-dimensional laser scanning multi-directional target". The target ball used at present can not provide height basically, and the base is windy horizontally or unstable due to uneven terrain, and the support is not stable enough when the target ball is used in the terrain which is not completely horizontal.
In order to solve the problems, the scheme is developed accordingly.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a portable three-dimensional laser scanning target ball having alignment with a ground control point that solves the problems set forth above in the background.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: portable three-dimensional laser scanning target ball with ground control point centering, including the target ball, the below of target ball is equipped with the connecting rod that is used for supporting the target ball, and wherein target ball bottom extension has a branch, and the branch top is pegged graft and is had the swivel nut, is equipped with the screw hole in swivel nut one side, inwards closes with fixed branch in the swivel nut through outside screw rod constantly soon to realize the arrangement of target ball, the bottom of connecting rod is sharp-pointed form, and is provided with the bracket in the bottom, through the adjustment of bracket for the accurate centering ground control point in bottom of connecting rod.
Preferably, the bracket comprises a support sleeve, a first rotating rod and a second rotating rod, wherein the support sleeve is fixedly sleeved on the connecting rod, one end of the first rotating rod is hinged with the connecting rod, the other end of the first rotating rod is hinged with the second rotating rod, and the first rotating rod and the second rotating rod are limited and fixed through a support piece.
Preferably, the three first rotating rods and the three second rotating rods are respectively three, wherein the first rotating rods are respectively hinged to the periphery of the supporting sleeve at equal intervals, and each first rotating rod and each second rotating rod can be independently adjusted.
Preferably, the support member includes a movable sleeve and a third rotating rod, wherein the inner side end of the third rotating rod is hinged to the movable sleeve, the outer side end is a free end, a first slot is formed in the outer side end, a limiting block is connected to the corresponding position of the bottom of the first rotating rod, a second slot with a size matched with that of the first slot is formed in the limiting block, and the two slots are aligned and then are correspondingly screwed and fixed through external bolts.
Preferably, vertical spout is seted up to one side of connecting rod, and the movable sleeve corresponds the side and opens and be equipped with a screw hole, through removing to relevant position after, adopts the mode of wrong income bolt to fix a position.
Preferably, the connecting rod two is divided into two parts to form a small rod I and a small rod II, a screw rod with the same size is connected between the two small rods, a sleeve seat is arranged at the joint, and the distance between the small rod I and the small rod II is adjusted by rotating the sleeve seat.
(III) advantageous effects
After adopting the technical scheme, compared with the prior art, the utility model has the following advantages: the portable three-dimensional laser scanning target ball is aligned with the ground control point, the bottom end of the connecting rod is sharp and used for aligning the ground control point, so that the placement is more accurate, the accuracy of target center positioning is improved through flexible adjustment of the bracket arranged at the bottom, the coordinate transformation precision and the registration precision of the three-dimensional laser point cloud are further improved, the bracket is arranged so that the whole body is more stable, instability can not occur even if the wind is strong or the terrain is uneven, and the support is not stable enough when the terrain is not completely horizontal.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;
FIG. 3 is another schematic view of the present invention;
FIG. 4 is a disassembled view of the supporting member structure of the present invention.
In the figure: 1. a target ball; 2. a connecting rod; 3. a strut; 4. a threaded sleeve; 5. a screw; 6. a support sleeve; 7. a first rotating rod; 8. a support member; 81. a movable sleeve; 82. a third rotating rod; 9. a second rotating rod; 91. a small rod I; 92. a second small rod; 93. a screw; 94. a sleeve seat; 10. a first slot; 11. a limiting block; 12. a second slot; 13. a chute.
Detailed Description
The utility model is explained in more detail below with reference to the figures and examples.
As shown in fig. 1-4: portable three-dimensional laser scanning target ball with ground control point centering, including the target ball, the bottom is used for supporting the connecting rod of target ball, and wherein target ball bottom extension has a branch, and the top of bracket is equipped with the swivel nut, and branch is inserted on the swivel nut, is equipped with the screw hole on swivel nut one side, inwards constantly closes with fixed branch in the swivel nut through outside screw rod soon, and then realizes the arrangement of target ball.
Among the size that uses, the diameter size that the mark target ball used is 14.7cm, and the length between connecting rod and the swivel nut is 2cm, and the length of connecting rod is twice mark target ball diameter.
Wherein the bottom of connecting rod is sharp-pointed form (the pointed end is as thin as possible) for centering ground control point, make and place more accurately. The accuracy of target center positioning is improved through adjustment of the bracket arranged at the bottom, and then the transformation precision and the registration precision of the three-dimensional laser point cloud coordinate are improved.
Set up the bracket in the bottom of connecting rod, through the different topography of adjustment bracket corresponding position in order to adapt to the place, and then improvement mark target center location's that can be better accuracy.
The bracket comprises a support sleeve, a first rotating rod and a second rotating rod, wherein the support sleeve is fixedly sleeved on the connecting rod, one end of the first rotating rod is hinged with the first rotating rod, the other end of the first rotating rod is hinged with the second rotating rod, and the first rotating rod and the second rotating rod are limited and fixed through a support piece.
The scheme adopts three first rotating rods and three second rotating rods, and is exemplified by combining the attached drawings (the number of the first rotating rods can be more certainly), the three first rotating rods are respectively hinged to the periphery of the supporting sleeve at equal intervals, and each first rotating rod and each second rotating rod can be independently adjusted to flexibly adapt to different terrains, particularly the bottom ends of one or two second rotating rods are located in relative hollow terrains.
The support piece comprises a movable sleeve and a rotating rod III, wherein the inner side end of the rotating rod III is hinged to the movable sleeve, the outer side end is a free end, a first slot is formed in the outer side end, a limiting block is connected to the corresponding position of the bottom of the rotating rod I, a second slot matched with the first slot in size is formed in the limiting block, the first slot is adjusted in height through the movable sleeve, the second slot is adjusted in three angles through the rotating rod, the first slot corresponds to the position of the second slot of the limiting block, and then the first slot and the second slot of the limiting block can be inserted into the corresponding bolt through the outside to be screwed up and fixed. It should be noted that, because the actual corresponding slot position cannot be aligned absolutely, the size of the second slot needs to be slightly larger than that of the first slot, so that the bolt can be inserted and screwed on both sides.
Wherein the positioning mode adopted after the upper and lower movement of the movable sleeve is as follows: a vertical sliding groove is formed in one side of the connecting rod, a threaded hole is formed in the corresponding side of the movable sleeve, and the movable sleeve is positioned by adopting a bolt screwing mode after being moved to a corresponding position.
The first rotating rod, the second rotating rod and the third rotating rod which is used for positioning and fixing are matched to greatly adjust the position of the bracket. Wherein every bull stick three all can the independent operation for can separately the independent operation between bull stick one and the bull stick two, with whole adaptation different topography.
Further, to tiny pothole, this scheme is further improved in two places of connecting rod for can accomplish the adjustment of small range. Specifically, the connecting rod two is divided into two parts to form a small rod I and a small rod II, a screw rod with the same size is connected between the two rods, and a sleeve seat is arranged at the joint. The distance between the first small rod and the second small rod is finely adjusted by rotating the sleeve seat, so that fine depressions of the terrain can be filled.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.
Claims (6)
1. Portable three-dimensional laser scanning target ball with ground control point centering, including target ball, its characterized in that: the below of target ball is equipped with the connecting rod that is used for supporting the target ball, and wherein target ball bottom extends has a branch, and the branch top is pegged graft and is had the swivel nut, is equipped with the screw hole in swivel nut one side, inwards closes in order to fix branch in the swivel nut with the screw rod of outside constantly revolving through the screw rod to realize the arrangement of target ball, the bottom of connecting rod is sharp-pointed form, and is provided with the bracket in the bottom, through the adjustment of bracket for the accurate centering ground control point in bottom of connecting rod.
2. The portable three-dimensional laser scanning target ball having a pair of ground control points of claim 1, wherein: the bracket comprises a support sleeve, a first rotating rod and a second rotating rod, wherein the support sleeve is fixedly sleeved on the connecting rod, one end of the first rotating rod is hinged with the connecting rod, the other end of the first rotating rod is hinged with the second rotating rod, and the first rotating rod and the second rotating rod are limited and fixed through a support piece.
3. The portable three-dimensional laser scanning target ball having a pair of ground control points of claim 2, wherein: the three first rotating rods and the three second rotating rods are respectively three, wherein the first rotating rods are respectively hinged to the periphery of the supporting sleeve at equal intervals, and each first rotating rod and each second rotating rod can be independently adjusted.
4. The portable three-dimensional laser scanning target ball having a ground control point pair of claim 3, wherein: the support piece comprises a movable sleeve and a rotating rod III, wherein the inner side end of the rotating rod III is hinged to the movable sleeve, the outer side end is a free end, a first slot is formed in the outer side end, a limiting block is connected to the corresponding position of the bottom of the rotating rod I, a second slot with the size matched with that of the first slot is formed in the limiting block, and the two slots are aligned and then are correspondingly screwed and fixed through external bolts.
5. The portable three-dimensional laser scanning target ball having a pair of ground control points of claim 4, wherein: vertical spout is seted up to one side of connecting rod, and the movable sleeve correspondence side is opened and is equipped with a screw hole, through after removing to corresponding position, adopts the mode of twisting the bolt to fix a position.
6. The portable three-dimensional laser scanning target ball having a pair of ground control points of claim 1, wherein: the connecting rod II is divided into two parts to form a small rod I and a small rod II, the two small rods are connected with screws with the same size, a sleeve seat is arranged at the joint, and the distance between the small rod I and the small rod II is adjusted by rotating the sleeve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225669.0U CN216745975U (en) | 2022-01-27 | 2022-01-27 | Portable three-dimensional laser scanning target ball with ground control point centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225669.0U CN216745975U (en) | 2022-01-27 | 2022-01-27 | Portable three-dimensional laser scanning target ball with ground control point centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216745975U true CN216745975U (en) | 2022-06-14 |
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ID=81915663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220225669.0U Active CN216745975U (en) | 2022-01-27 | 2022-01-27 | Portable three-dimensional laser scanning target ball with ground control point centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216745975U (en) |
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2022
- 2022-01-27 CN CN202220225669.0U patent/CN216745975U/en active Active
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