A suspended building facade observation device

Abstract

The utility model relates to building surveying technical field, concretely is a kind of suspension type building facade observation device. The device includes guide rail, drive module and observation module, and the guide rail one end is temporarily fixed on the facade of building, and drive module is attached in the bottom of the other end of guide rail, and moves along guide rail, and observation module is hung below drive module by traction rope, and the facade of building is observed according to the set moving path. The utility model can observe building facade at close range, eliminate the adverse effect of the shelter of trees, sundries etc. around building on building facade observation, realize the complete collection of building facade information, and it is beneficial to the fine construction of building three-dimensional model.

Description

Technical Field

[0001] This utility model relates to the field of building surveying technology, specifically a suspended building facade observation device. Background Technology

[0002] Ground-based 3D laser scanning and close-range photography can quickly obtain physical information about the facades of low-rise buildings. However, due to limitations in the low viewing angle and obstruction by surrounding trees and debris, it is difficult to observe complete facade information. Unmanned aerial vehicle (UAV) oblique photography can obtain information about the building's top and facade from an aerial perspective; however, it is also susceptible to obstruction by trees and flight altitude limitations, affecting the observation range of the facade. Currently, there is a lack of mature methods to minimize the adverse effects of such obstructions and achieve high-precision, complete observation of building facade information.

[0003] Patent CN112880553A discloses a device and method for detecting the flatness of dry-hanging stone curtain wall installation. This method only detects the flatness and joints of the dry-hanging stone on the outside of a column, failing to obtain complete information such as the spatial three-dimensional coordinates and images of the building facade, and thus cannot support the needs of existing building 3D modeling. Relying on a ring-shaped locking bracket fixed to the ground or the bottom of the column, it can only move within a small range along the circumference and vertical of the column, making it unsuitable for large-area, multi-region observation of high-rise building facades. Patent CN220303231U discloses a high-altitude detection device for building facades, relying on two sets of steel wire ropes to adjust the position of the suspension frame. The detector is kept vertical solely by the weight of the adjusting frame, lacking a guiding structure, making it susceptible to wind and steel wire rope swaying, leading to detector offset and data distortion, failing to meet high-precision observation requirements. The steel wire rope suspension method results in a significant distance between the detector and the building facade, making it easy for trees, air conditioner units, and other debris around the building to obstruct the observation line of sight, preventing the acquisition of complete facade information. Utility Model Content

[0004] To address the aforementioned technical problems, the purpose of this utility model is to provide a suspended building facade observation device. The observation module is suspended on the building facade via a guide rail, solving the technical problem of difficulty in observing obstructed parts of the building facade and promoting the refined construction of existing building 3D models.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A suspended building facade observation device includes a guide rail, a drive module, and an observation module. One end of the horizontal guide rail is temporarily fixed to the building facade. The drive module is attached to the bottom of the other end of the guide rail and moves along the guide rail. The observation module is suspended below the drive module by a traction rope and observes the building facade according to a set movement path.

[0007] The suspended building facade observation device has a temporary fixed end at one end of the guide rail, which is connected to the facade through a temporary fastener; the other end of the guide rail is a cantilever end, with a T-shaped groove at the bottom, which serves as a track for the drive module to be suspended.

[0008] The aforementioned suspended building facade observation device has a drive module equipped with a drive motor, a traction motor, and rollers. The rollers at the upper end of the drive module are embedded in the T-shaped grooves of the guide rail, so that the rollers fit against the inner wall of the T-shaped grooves. The lower end of the drive module is connected to one end of the traction rope through the traction motor, and the other end of the traction rope is fixed to the evenly distributed connection points at the top of the observation module.

[0009] The aforementioned suspended building facade observation device has a gearbox installed at the output end of the drive motor, a roller installed at the output end of the gearbox, and one end of the traction rope wound around the pulley at the output end of the traction motor.

[0010] The aforementioned suspended building facade observation device also includes a wireless transmitter in its drive module. Sensors on the drive motor and traction motor are connected to the wireless transmitter, which communicates with an external human-machine interface. The drive module is connected to the external human-machine interface via the wireless transmitter.

[0011] The aforementioned suspended building facade observation device has four telescopic arms evenly arranged on the outer wall of the observation module. Each telescopic arm has a soft pulley at its end. The soft pulley is supported on the building facade and rises or slides vertically along the building facade under the drive of the traction rope.

[0012] The aforementioned suspended building facade observation device has a three-dimensional laser scanner, camera, or infrared scanner installed in the observation module as the observation equipment.

[0013] The aforementioned suspended building facade observation device has its observation module suspended below the drive module by no fewer than three traction ropes.

[0014] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0015] 1. The suspended building facade observation device provided by this utility model makes full use of the guide rail to be close to the building facade, observe the building facade information at close range, eliminate the adverse effects of trees, debris and other obstructions on the observation of the building facade, realize the complete observation of the building facade information, and thus provide data support for the fine construction of the three-dimensional model of the existing building.

[0016] 2. The guide rail of this utility model is designed to be close to the exterior facade, so that the observation module avoids the obstruction of trees and debris around the building, and can cover areas such as doors and windows on the exterior facade that cannot be observed by traditional devices, so as to obtain complete exterior facade information.

[0017] 3. The guide rail of this utility model adopts a temporary fixing method, which does not damage the building structure. It is suitable for various building facades such as rectangular, polygonal, and irregular shapes. In addition, the soft pulley avoids scratching the curtain wall, ensuring high safety.

[0018] 4. The observation module of this utility model is suspended by no less than three traction ropes and is equipped with four telescopic arms. The soft pulleys at the ends of the telescopic arms are supported on the exterior facade, which not only avoids scratching the curtain wall, but also greatly improves the stability of the observation module when it moves, ensuring data accuracy. Attached Figure Description

[0019] Figure 1 This is a side view of the installation of this utility model.

[0020] Figure 2 This is the main view of the installation of this utility model.

[0021] Figure 3 This is a top view of the installation of this utility model.

[0022] Figure 4 This is a schematic diagram of the drive module structure of this utility model.

[0023] Figure 5 This is a block diagram illustrating the working principle of the driver module of this utility model.

[0024] In the diagram: 1. Guide rail (11-T-shaped groove, 12-temporary fastener), 2. Building (21-facade), 3. Drive module (31-roller, 32-gearbox, 33-drive motor, 34-wireless transmitter, 35-traction motor, 36-pulley), 4. Observation module, 5. Traction rope, 6. Telescopic arm, 7. Soft pulley. Detailed Implementation

[0025] like Figures 1-5 As shown, this utility model proposes a suspended building facade observation device, including a guide rail 1, a drive module 3 and an observation module 4. One end of the horizontal guide rail 1 is temporarily fixed to the facade 21 of the building 2. The drive module 3 is attached to the bottom of the other end of the guide rail 1 and can move along the guide rail 1 according to instructions. The observation module 4 is suspended below the drive module 3 by no less than three traction ropes 5 and observes the facade 21 of the building 2 according to the set movement path.

[0026] One end of the guide rail 1 is a temporary fixed end, connected to the exterior facade 21 via a temporary fastener 12, which can be an expansion bolt or a vacuum suction cup, etc. The other end of the guide rail 1 is a cantilever end, with a T-shaped groove 11 at its bottom, serving as a track for the drive module 3. The drive module 3 consists of components such as rollers 31, gearbox 32, drive motor 33, wireless transmitter 34, traction motor 35, and pulleys 36. The rollers 31 at the upper end of the drive module 3 are embedded in the T-shaped groove 11 of the guide rail 1, ensuring that the rollers 31 and the T-shaped groove 11 are aligned. 1. The inner wall is fitted; a gearbox 32 is installed at the output end of the drive motor 33, and a roller 31 is installed at the output end of the gearbox 32. One end of the traction rope 5 is wound around the pulley 36 at the output end of the traction motor 35. The sensors on the drive motor 33 and the traction motor 35 are connected to the wireless transmitter 34. The wireless transmitter 34 communicates with the external human-machine interface. The drive module 3 is connected to the external human-machine interface through the wireless transmitter 34 to test the start, stop and direction of the drive motor 33 to ensure that the drive module 3 can move smoothly along the T-shaped groove 11. The lower end of the drive module 3 is connected to one end of the traction rope 5 through the traction motor 35. The other end of the traction rope 5 is fixed to the evenly distributed connection points on the top of the observation module 4. The movement of the drive module 3 along the guide rail 1 and the traction of the lower observation module 4 can be controlled through the human-machine interface, so that the observation module 4 can observe according to the preset movement path.

[0027] The observation module 4 can be equipped with observation equipment such as a 3D laser scanner, camera or infrared scanner, and four telescopic arms 6 are evenly arranged on the outer wall of the observation module 4. Each telescopic arm 6 is equipped with a soft pulley 7 at its end. The soft pulley 7 is supported on the outer facade 21 of the building 2 and can climb or slide vertically along the outer facade 21 of the building 2 under the drive of the traction rope 5, thereby improving the stability during observation. The wheel body of the soft pulley 7 is made of polyurethane.

[0028] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] like Figures 1-5 As shown, the method of using the suspended building facade observation device of this utility model is as follows:

[0030] (1) Temporarily fix the guide rail 1 to the exterior facade 21 of the building 2;

[0031] (2) Attach the drive module 3 to the bottom of the guide rail 1;

[0032] (3) The observation module 4 is suspended below the drive module 3 by no less than three traction ropes 5. The four telescopic arms 6 of the observation module 4 are adjusted to extend and retract, so that the soft pulleys 7 at the ends of the telescopic arms 6 are supported on the exterior facade 21 of the building 2.

[0033] (4) The human-computer interaction interface is used to set the movement of the drive module 3 along the guide rail 1 and the traction of the observation module 4, so that the observation module 4 observes the exterior facade 21 of the building 2 according to the set movement path;

[0034] (5) The collected point cloud data, image information, etc. are fused to form an overall point cloud model or front view image of the facade 21, which is used for the fine construction of the three-dimensional model of the building 2.

[0035] The results of the embodiments show that the suspended building facade observation device of this utility model can observe the building facade at close range, eliminate the adverse effects of trees, debris and other obstructions on the observation of the building facade, and the movement path of the observation module can be freely set, so as to realize the complete observation of the building facade information at close range, which is conducive to the refined construction of the building's three-dimensional model.

[0036] Obviously, as a technological advancement, those skilled in the art can implement the concept of this utility model in various ways. Therefore, this utility model and its embodiments are not limited to the examples shown above, but can be varied within the framework of the claims.

Claims

1. A suspended building facade observation device, characterized in that, The device includes a guide rail, a drive module, and an observation module. One end of the horizontal guide rail is temporarily fixed to the exterior of the building. The drive module is attached to the bottom of the other end of the guide rail and moves along the guide rail. The observation module is suspended below the drive module by a traction rope and observes the exterior of the building according to the set movement path.

2. The suspended building facade observation device according to claim 1, characterized in that, One end of the guide rail is a temporary fixed end, which is connected to the exterior facade through a temporary fastener; the other end of the guide rail is a cantilever end, with a T-shaped groove at the bottom, which serves as a track for the drive module to be hung.

3. The suspended building facade observation device according to claim 2, characterized in that, The drive module is equipped with a drive motor, a traction motor, and rollers. The rollers at the upper end of the drive module are embedded in the T-shaped grooves of the guide rail, so that the rollers fit against the inner wall of the T-shaped grooves. The lower end of the drive module is connected to one end of the traction rope through the traction motor, and the other end of the traction rope is fixed to the evenly distributed connection points on the top of the observation module.

4. The suspended building facade observation device according to claim 3, characterized in that, A gearbox is installed at the output end of the drive motor, a roller is installed at the output end of the gearbox, and one end of the traction rope is wound around the pulley at the output end of the traction motor.

5. The suspended building facade observation device according to claim 3, characterized in that, The drive module is also equipped with a wireless transmitter. The sensors on the drive motor and traction motor are connected to the wireless transmitter. The wireless transmitter communicates with the external human-machine interface, and the drive module is connected to the external human-machine interface through the wireless transmitter.

6. The suspended building facade observation device according to claim 1, characterized in that, Four telescopic arms are evenly arranged on the outer wall of the observation module. Each telescopic arm is equipped with a soft pulley at its end. The soft pulley is supported on the exterior of the building and rises or slides vertically along the exterior of the building under the action of the traction rope.

7. The suspended building facade observation device according to claim 6, characterized in that, The observation module is equipped with a 3D laser scanner, camera, or infrared scanner as the observation equipment.

8. The suspended building facade observation device according to claim 1, characterized in that, The observation module is suspended below the drive module by no fewer than three traction ropes.

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