CN219120295U - The balance device in the scene where the 3D laser scanner collects steel grid data - Google Patents

Abstract

The utility model provides a balance device in the scene where a three-dimensional laser scanner collects data on a steel grid, which is used to install the three-dimensional laser scanner on the steel grid, including a mounting tray and at least two retractable clamping arm, the installation tray is arranged on one end of the clamping arm and is used for detachably installing the three-dimensional laser scanner, and the other end of the clamping arm can clamp and fix the rod on the steel grid frame and the other end of the clamping arm can rotate relative to one end of the clamping arm. The balance device provided by the utility model can be flexibly and freely fixed on the rods at a suitable position through the clamping arm according to the layout of the surrounding steel grid rods, so as to provide a balanced and static environment for the three-dimensional laser scanner to perform data processing. Acquisition, which solves the problems that the conventional tripod cannot be erected when collecting steel grids on the bridleway, and the bridleway will produce a certain degree of vibration after being affected by gravity, which will affect the accuracy of data collection.

Description

The balance device in the scene where the 3D laser scanner collects steel grid data

technical field

The utility model relates to the technical field of three-dimensional laser scanning, in particular to a balancing device in the scene where a three-dimensional laser scanner collects steel grid data.

Background technique

The 3D laser scanner is a relatively new type of surveying and mapping technology. It uses a non-contact high-speed laser measurement method to obtain the spatial coordinate information of the measured object by emitting a laser beam to the measured object and receiving the reflected laser signal from the measured object. The acquisition is a 360° rotation scan, and the final result is image data formed by massive point clouds, and based on this, subsequent multi-type applications are carried out. 3D laser scanners, like traditional surveying and mapping instruments (such as total stations, theodolites, levels), usually use tripods to stand during data collection, followed by rough and fine leveling, so that the equipment can be erected and collected. in a state of balance.

However, when using 3D laser scanners to collect construction data such as large gymnasiums and ice skating halls, it is found that the roof of this type of building is usually a steel grid structure, and it is often located at a very high position. The data of the steel grid frame can only pass through the steel grid track at the top, and the bottom of the steel grid track is usually laid with steel gratings, which makes it basically impossible to erect the tripod, and the track will vibrate to a certain extent after being affected by gravity, which will lead to The 3D laser scanner cannot collect data in a balanced state, which has a great impact on data accuracy.

Utility model content

The purpose of this utility model is to provide a balance device in the scene where a three-dimensional laser scanner collects steel grid data, which solves the problem that the conventional tripod cannot be erected and the horseway will be damaged by gravity during the three-dimensional laser surveying and mapping of the existing steel grid. A certain degree of jitter affects the accuracy of data acquisition.

In order to achieve the above purpose, the utility model provides a balance device in the scene where the three-dimensional laser scanner collects the data of the steel grid, which is used to install the three-dimensional laser scanner on the steel grid, including the installation tray and at least two movable A telescopic clamping arm, the installation tray is arranged on one end of the clamping arm and is used for detachably installing the three-dimensional laser scanner, and the other end of the clamping arm can be clamped and fixed on the steel mesh and the other end of the clamping arm can rotate relative to one end of the clamping arm.

Optionally, the installation tray includes a first tray and a second tray arranged vertically, the first tray is located above the second tray and is used to detachably install the three-dimensional laser scanner, the The second tray is arranged on one end of the clamping arm, and the first tray is connected to the second tray through a plurality of leveling columns.

Optionally, both ends of the leveling column are threadedly connected to the first tray and the second tray, and the first tray can be fine-tuned by rotating the leveling column.

Optionally, one end of the leveling column runs through the first tray, and a leveling knob is provided at one end of the leveling column passing through the first tray.

Optionally, a level bubble is also provided on the first tray.

Optionally, the first tray is also provided with a thread lock for detachably installing the 3D laser scanner.

Optionally, the clamping arm includes a forearm, a middle arm and a rear arm, one end of the forearm is provided with a clamp for clamping and fixing the rod, and the other end of the forearm rotates with one end of the middle arm The other end of the middle arm is connected to one end of the rear arm, the other end of the rear arm is connected to the installation tray, and the middle arm is a telescopic structure.

Optionally, the middle arm is a telescopic telescopic structure.

Optionally, the other end of the forearm is connected to one end of the middle arm by a universal ball.

Optionally, a flexible pad is covered on the inner wall of the clamp.

In the balance device provided by the utility model in the scene where the three-dimensional laser scanner collects steel grid data, the rods can be flexibly and freely fixed at a suitable position through the clamping arm according to the layout of the surrounding steel grid rods In order to provide a balanced and static environment for data collection by the 3D laser scanner, it solves the problem that the conventional tripod cannot be erected when the steel grid frame data is collected on the horse track, and the horse track will produce a certain degree of vibration after being affected by gravity. The problem of data collection accuracy.

Description of drawings

Those of ordinary skill in the art will understand that the provided drawings are used to better understand the utility model, and do not constitute any limitation to the scope of the utility model. in:

Fig. 1 is a schematic structural diagram of a balance device in a scene where a three-dimensional laser scanner collects data from a steel grid provided by an embodiment of the present invention.

In the attached picture:

1-first tray; 2-second tray; 3-leveling column; 4-leveling knob; 5-leveling bubble; 6-thread lock; 7-forearm; 8-middle arm; 9-rear arm; 10- Clamp; 11 - flexible pad.

Detailed ways

In order to make the purpose, advantages and features of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are in a very simplified form and use inaccurate scales, which are only used to facilitate and clearly illustrate the purpose of the implementation of the present utility model. In order to make the purpose, features and advantages of the present utility model more obvious and understandable, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model. Restricted conditions, any modification of structure, change of proportional relationship or adjustment of size, in the case of the same or similar effect and the purpose of the utility model, should still fall within the scope of the disclosure of the utility model. within the range covered by the technical content.

As used in this application, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. As used in the present application, the term "or" is generally used in the sense including "and/or", unless the content clearly states otherwise. As used in the present application, the term "several" is generally used in the meaning including "at least one", unless the content clearly states otherwise. As used in the present invention, the term "at least two" is generally used in the meaning including "two or more", unless the content clearly states otherwise. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second" and "third" may explicitly or implicitly include one or at least two of these features.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

This embodiment provides a balance device in the scene where a three-dimensional laser scanner collects data on a steel grid, and is used to install the three-dimensional laser scanner on the steel grid. The balance device includes a mounting tray and at least two movable A telescopic clamping arm, the installation tray is arranged on one end of the clamping arm and is used for detachably installing the three-dimensional laser scanner, and the other end of the clamping arm can be clamped and fixed on the steel mesh and the other end of the clamping arm can rotate relative to one end of the clamping arm.

The balance device provided by the utility model in the scene where the three-dimensional laser scanner collects steel grid data can be flexibly and freely fixed on the rod at a suitable position through the clamping arm according to the layout of the surrounding steel grid rods, thereby providing A balanced and static environment for data collection by the 3D laser scanner, which solves the problems that the conventional tripod cannot be erected when collecting steel grid data on the horse track, and the horse track will produce a certain degree of vibration after being affected by gravity, which will affect the accuracy of data acquisition. .

Specifically, please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a balance device in a scene where a three-dimensional laser scanner collects steel grid data provided by an embodiment of the present invention. The installation tray includes a first tray arranged vertically 1 and a second tray 2, the first tray 1 is located above the second tray 2 and is used to detachably install the three-dimensional laser scanner, the second tray 2 is arranged at one end of the clamping arm Above, the first pallet 1 and the second pallet 2 are connected by a plurality of leveling columns 3 . In this embodiment, the setting of the first tray 1 and the second tray 2 is mainly to facilitate the leveling of the first tray 1 through the leveling column 3 to ensure that the first tray 1 is installed The level of the 3D laser scanner.

Further, both ends of the leveling column 3 are screwed to the first tray 1 and the second tray 2 respectively, and the first tray 1 can be fine-tuned by rotating the leveling column 3 . For example, the two ends of the leveling column 3 are respectively provided with external threads with the same direction of rotation, and the first tray 1 and the second tray 2 are correspondingly provided with threaded holes with the same direction of rotation, and the first tray 1 The threaded hole on the top is a through hole, and the threaded hole on the second tray 2 is a blind hole. By rotating the leveling column 3, the position of the part of the first tray 1 located at the leveling column 3 can be adjusted. The posture is fine-tuned, and then the level adjustment of the first tray 1 is realized, so as to ensure the level of the three-dimensional laser scanner installed on the first tray 1 .

Furthermore, one end of the leveling column 3 runs through the first tray 1 , and a leveling knob 4 is provided at the end of the leveling column 3 passing through the first tray 1 . By setting the leveling knob 4 to facilitate the screwing of the leveling column 3 , the level adjustment of the first tray 1 is performed.

In this embodiment, there are three leveling columns 3 , and the three leveling columns 3 are evenly distributed along the circumference of the first tray 1 . Of course, the present application does not impose any limitation on the number and distribution of the leveling columns 3 , which can be adjusted according to actual conditions.

In this embodiment, a leveling bubble 5 is also provided on the first tray 1 . Whether the first tray 1 is level can be judged by observing the position of the leveling bubble 5 .

In this embodiment, the first tray 1 is also provided with a screw lock 6 for detachably installing the 3D laser scanner.

In this embodiment, there are two clamping arms.

Please continue to refer to Fig. 1, the clamping arm includes a forearm 7, a middle arm 8 and a rear arm 9, one end of the forearm 7 is provided with a clamp 10 for clamping and fixing the bar, the other end of the forearm 7 Rotately connected with one end of the middle arm 8, the other end of the middle arm 8 is connected with one end of the rear arm 9, the other end of the rear arm 9 is connected with the installation tray, and the middle arm 8 is telescoping structure. Through the rotation adjustment of the forearm 7 and the telescopic adjustment of the middle arm 8, it is easy to find a rod in a suitable position for clamping and fixing, and ensure that the entire installation device is generally horizontal, so as to facilitate subsequent fine adjustment through the leveling column 3 That's it.

In this embodiment, the rear arm 9 is arranged vertically and fixedly connected with the second tray 2 , and the middle arm 8 is arranged horizontally and perpendicular to the rear arm 9 .

Preferably, the middle arm 8 is a telescopic telescopic structure. For example, the middle arm 8 includes an inner shaft and an outer tube partially sheathed on the inner shaft, and the expansion and contraction of the middle arm 8 can be realized by adjusting the relative position of the outer tube and the inner shaft. Of course, other telescopic structures well known in the art can also be used, which is not limited in the present application.

Preferably, the other end of the forearm 7 and one end of the middle arm 8 are connected by a universal ball, so as to realize the 360° rotation of the forearm 7, and then facilitate the clamp 10 to be clamped and fixed on the bar at a suitable position , the applicability is more impressive.

It should be understood that the rotation of the forearm 7 and the expansion and contraction of the middle arm 8 can be manually operated or intelligently controlled. This application does not specifically limit this, but the rotation of the forearm 7 and The middle arm 8 should have a locking function after being stretched to a certain position. When intelligent control is adopted, a human-computer interaction interface can be set on the second tray 2 .

In this embodiment, the clamp 10 is circular, but it is not limited thereto. For example, it can also be in other shapes such as a square, which can be selected according to the shape of the rod to ensure the stability of the clamping . In addition, the clamp 10 can be preset with a variety of sizes and specifications, and can be selected according to the size of the bar on site, which is also not limited in the present application.

Preferably, the inner wall of the clamp 10 is coated with a flexible pad 11 to prevent the paint surface of the rod from being damaged when the clamp 10 clamps the rod.

When using on site, determine one or two suitable steel grid rods (it can be upper and lower chords or diagonal rods), and select a suitable size clamp 10 according to the diameter of the rods; first, one of the clamping arms Clamping and fixing on a rod, and then rotating and/or stretching the other clamping arm and fixing it on the same or a different rod, so as to support the whole device to a suitable spatial position, so that the first A pallet 1 is generally kept horizontal; the forearm 7 and the middle arm 8 of the two clamping arms are locked, and then the leveling knob 4 of the first pallet 1 is used for leveling; finally, the three-dimensional laser scanner After being installed on the first tray 1, the scanning operation can be performed.

To sum up, the embodiment of the utility model provides a balance device in the scene where the three-dimensional laser scanner collects steel grid data, which can be flexibly and freely fixed at a suitable position through the clamping arm according to the layout of the surrounding steel grid rods On the rods, in order to provide a balanced and static environment for the 3D laser scanner to collect data, it solves the problem that the conventional tripod cannot be erected when the steel grid frame is collected on the horse track and the horse track will produce a certain degree of gravity. Jitter affects the accuracy of data acquisition.

The above description is only a description of the preferred embodiments of the present utility model, not any limitation to the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the utility model according to the above disclosures all belong to the protection scope of the utility model . Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations belong to the scope of the utility model and its equivalent technology, the utility model also intends to include these modifications and variations.

Claims (10)

1. The utility model provides a balancing unit under three-dimensional laser scanner gathers steel mesh frame data scene for will three-dimensional laser scanner installs on the steel mesh frame, its characterized in that, including installation tray and two at least telescopic centre gripping arms, the installation tray sets up on the one end of centre gripping arm and be used for detachably to install three-dimensional laser scanner, the other end of centre gripping arm can press from both sides tightly to be fixed on the member of steel mesh frame, just the other end of centre gripping arm can be relative the one end rotation of centre gripping arm.

2. The balance device in the scene of acquiring steel mesh frame data by a three-dimensional laser scanner according to claim 1, wherein the mounting tray comprises a first tray and a second tray which are vertically arranged, the first tray is positioned above the second tray and is used for detachably mounting the three-dimensional laser scanner, the second tray is arranged on one end of the clamping arm, and the first tray and the second tray are connected through a plurality of leveling columns.

3. The balancing device in the scene of acquiring steel mesh frame data by the three-dimensional laser scanner according to claim 2, wherein two ends of the leveling column are respectively in threaded connection with the first tray and the second tray, and the leveling column is rotated to finely adjust the first tray.

4. A balancing device in a scene where a three-dimensional laser scanner collects steel mesh data according to claim 3, wherein one end of the leveling column penetrates through the first tray, and one end of the leveling column penetrating through the first tray is provided with a leveling knob.

5. The balance device in the scenario of acquiring steel mesh data by the three-dimensional laser scanner according to any one of claims 2 to 4, wherein a leveling bubble is further disposed on the first tray.

6. The balancing device in the scenario of the three-dimensional laser scanner collecting steel mesh frame data according to claim 2, wherein the first tray is further provided with a screw lock for detachably installing the three-dimensional laser scanner.

7. The balancing device in the scene of acquiring steel mesh frame data by the three-dimensional laser scanner according to claim 1, wherein the clamping arm comprises a front arm, a middle arm and a rear arm, one end of the front arm is provided with a clamp for clamping and fixing the rod piece, the other end of the front arm is rotatably connected with one end of the middle arm, the other end of the middle arm is connected with one end of the rear arm, the other end of the rear arm is connected with the mounting tray, and the middle arm is of a telescopic structure.

8. The balance device in the scenario of the three-dimensional laser scanner acquiring steel mesh data according to claim 7, wherein the middle arm is a telescopic structure.

9. The balance device in the scene of acquiring steel mesh frame data by the three-dimensional laser scanner according to claim 7, wherein the other end of the forearm is connected with one end of the middle arm by a universal ball.

10. The balance device in the scenario of the three-dimensional laser scanner collecting steel mesh frame data according to claim 7, wherein the inner wall of the fixture is coated with a flexible pad.

Images