Auxiliary device for laser scanning

Abstract

The utility model provides an auxiliary device for laser scanning, which comprises a movable chassis, a lifting stand column is mounted on the movable chassis, the bottom of the lifting stand column is connected with a top plate of the movable chassis through a bottom plate, a bottom stand column is arranged on the bottom plate, and the top end of the bottom stand column is connected with one end of a middle stand column. The other end of the middle stand column is connected with the bottom of the top stand column, a load mounting plate is arranged on the top of the top stand column, and a three-dimensional laser scanner is mounted on the load mounting plate. According to the utility model, the structure is simple, omnibearing and large-scale scanning of the tested equipment is realized, so that a detailed and reliable maintenance scheme can be formulated before maintenance, and safe and stable operation of an electric power system is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of maintenance and relates to an auxiliary device for laser scanning. Background Art

[0002] The safe and stable operation of the power system is crucial to people's daily life. Regular and effective inspection and maintenance of power equipment provides a strong guarantee for the stable operation of the equipment. Therefore, laser scanners are used for inspection. Accurate measurements before inspection help to formulate detailed and reliable inspection plans.

[0003] The existing laser scanning auxiliary devices have the following defects:

[0004] 1. Comparative document CN116336349A discloses a scanning accuracy auxiliary device for three-dimensional laser scanning equipment, and the protected claim is "it includes a supporting assembly, including a cylindrical tube, a first cylinder arranged on the outer wall of the cylindrical tube and a first support rod arranged on the outer wall of the first cylinder; and, a protecting assembly, including a box body arranged on the end face of the cylindrical tube; and, a clamping assembly, including a placement frame arranged inside the box body and a clamping plate arranged on the end face of the placement frame; and, a limiting assembly, including a toothed plate arranged inside the placement frame, a gear arranged inside the placement frame and a rotating rod arranged on the outer wall of the gear; the present invention clamps the scanning equipment during the lifting process to elevate the equipment, thereby improving the accuracy and quality of the equipment, and at the same time unfolds the tripod structure to form a stable support, forms a clamp after the equipment is raised, and reduces the interference of external factors on the equipment itself." The device is applicable to limited sites, and its stability is greatly reduced after reaching a certain height. It can only be fixed manually, and the operation is complicated.

[0005] 2. Comparative document CN115638341A discloses a high-precision three-dimensional measurement platform, the protected claim of which is "including a supporting lifting device, a horizontal micro-lifting device, an azimuth adjustment device and a rotating device. By providing a supporting lifting device, the supporting lifting device can support and adjust the initial height of the high-precision three-dimensional measurement platform on any flat ground, making the high-precision three-dimensional measurement platform more flexible. By providing a horizontal micro-lifting device, the three-dimensional measuring instrument is located in a horizontal state for side measurement, thereby improving the measurement accuracy of the three-dimensional measuring instrument. By providing an azimuth adjustment device, the three-dimensional measuring instrument can be adjusted to a more suitable position for measurement, and dust or sand can be prevented from getting stuck in the internal parts of the azimuth adjustment device. By providing a rotating device, the three-dimensional measuring instrument can be rotated and tilted up, thereby improving the flexibility of the three-dimensional measuring instrument, making the measurement range of the three-dimensional measuring instrument wider and more comprehensive, and improving the measurement efficiency of the three-dimensional measuring instrument." The structure of the device is too complicated and not convenient to move.

[0006] Therefore, there is an urgent need to design an auxiliary device for laser scanning that can solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide an auxiliary device for laser scanning to solve the problems raised in the background technology.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: an auxiliary device for laser scanning, comprising a mobile chassis, a lifting column is installed on the mobile chassis, the bottom of the lifting column is connected to the top plate of the mobile chassis through a bottom plate, a bottom column is arranged on the bottom plate, the top of the bottom column is connected to one end of the middle column, the other end of the middle column is connected to the bottom of the top column, a load mounting plate is arranged on the top of the top column, and a three-dimensional laser scanner is installed on the load mounting plate.

[0009] Preferably, a bottom column guide rail and a limit block are installed on the inner side of the bottom column, a bottom column mounting plate is provided at the bottom of the bottom column, and a bottom column drive motor, a bottom screw bearing and a bottom column are installed on the bottom column mounting plate.

[0010] Preferably, the bottom column driving motor is located outside the bottom column, and a bottom column main synchronous wheel is arranged at the bottom of the bottom column driving motor. The bottom column main synchronous wheel is meshed with the bottom column slave synchronous wheel through the bottom column synchronous belt, and the bottom column slave synchronous wheel is connected to one end of the bottom column screw rod, and the other end of the bottom column screw rod is sleeved in the bottom column screw rod nut, and the bottom column screw rod nut is embedded in the middle column mounting plate.

[0011] Preferably, an intermediate column guide rail and a limit block are arranged on the inner side of the intermediate column, a slider which can be engaged with the bottom column guide rail is installed on the outer side, and an intermediate column drive motor, an intermediate screw bearing, an intermediate column and a bottom column screw nut are installed on the intermediate column mounting plate.

[0012] Preferably, an intermediate column main synchronous wheel is provided at the bottom of the intermediate column driving motor, and the intermediate column main synchronous wheel is meshed with the intermediate column slave synchronous wheel through the intermediate column synchronous belt, and the intermediate column slave synchronous wheel is connected to one end of the intermediate column screw rod, and the other end of the intermediate column screw rod is sleeved in the intermediate column screw rod nut, and the intermediate column screw rod nut is embedded in the top column mounting plate.

[0013] Preferably, a sliding block which can be engaged with the guide rail of the middle column is installed on the outer side of the top column, and a load mounting plate is arranged on the top end.

[0014] Preferably, the lifting column is a hollow structure as a whole, with four groups of bottom column guide rails, middle column guide rails and sliders, which are distributed symmetrically around the center. The limit blocks are made of buffer materials and are provided in four groups, which are staggered a certain distance from the bottom column guide rails and the middle column guide rails and are distributed in a circle.

[0015] Preferably, the inner diameter of the bottom column is slightly larger than the outer diameter of the middle column, and the inner diameter of the middle column is slightly larger than the outer diameter of the top column.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model can scan the upper surface and top layer of the equipment under test which cannot be scanned by conventional tripod laser scanners, and can realize all-round and large-scale scanning of the equipment, so that a detailed and reliable maintenance plan can be formulated before maintenance, ensuring the safe and stable operation of the power system and improving the efficiency and accuracy of maintenance;

[0018] 2. The utility model is easy to move, simple in structure and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the AA structure of the lifting column section of the utility model;

[0021] Figure 3 This is a schematic diagram of the BB structure of the lifting column section of the utility model. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] See also Figures 1 to 3, an auxiliary device for laser scanning, comprising a mobile chassis 1, a lifting column 2 is installed on the mobile chassis 1, the bottom of the lifting column 2 is connected to the top plate of the mobile chassis 1 through a bottom plate 4, a bottom column 12 is arranged on the bottom plate 4, the top of the bottom column 12 is connected to one end of an intermediate column 21, the other end of the intermediate column 21 is connected to the bottom of a top column 26, a load mounting plate 27 is arranged on the top of the top column 26, and a three-dimensional laser scanner 3 is installed on the load mounting plate 27. After the utility model moves the mobile chassis to a suitable measurement location, the height of the intermediate column and the top column can be adjusted by controlling the start, stop and forward and reverse rotation of the bottom column driving motor and the intermediate column driving motor respectively. After the three-dimensional laser scanner rises to a suitable height, the posture of the three-dimensional laser scanner can also be adjusted by rotating and pitching, so as to realize all-round and large-scale scanning of the measured equipment, so that a detailed and reliable maintenance plan can be formulated before maintenance to ensure the safe and stable operation of the power system.

[0024] Preferably, a bottom column guide rail 13 and a limit block 11 are installed inside the bottom column 12, a bottom column mounting plate 10 is provided at the bottom of the bottom column 12, and a bottom column drive motor 6, a bottom screw bearing 9 and a bottom column 12 are installed on the bottom column mounting plate 10. This design facilitates the adjustment of the moving height of the middle column.

[0025] Preferably, the bottom column driving motor 6 is located outside the bottom column 12, and a bottom column main synchronous wheel 5 is provided at the bottom of the bottom column driving motor 6, and the bottom column main synchronous wheel 5 is meshed with the bottom column slave synchronous wheel 8 through the bottom column synchronous belt 7, and the bottom column slave synchronous wheel 8 is connected to one end of the bottom column screw rod 14, and the other end of the bottom column screw rod 14 is sleeved in the bottom column screw rod nut 15, and the bottom column screw rod nut 15 is embedded in the middle column mounting plate 18. This design can control the lifting column at any height.

[0026] Preferably, an intermediate column guide rail 22 and a limit block 11 are provided on the inner side of the intermediate column 21, and a slider 19 which can be engaged with the bottom column guide rail 13 is installed on the outer side, and an intermediate column drive motor 28, an intermediate screw bearing 20, an intermediate column 21 and a bottom column screw nut 15 are installed on the intermediate column mounting plate 18.

[0027] Preferably, the middle column driving motor 28 is provided with a middle column main synchronous wheel 29 at the bottom, the middle column main synchronous wheel 29 is meshed with the middle column slave synchronous wheel 16 through the middle column synchronous belt 17, the middle column slave synchronous wheel 16 is connected with one end of the middle column screw rod 23, the other end of the middle column screw rod 23 is sleeved in the middle column screw rod nut 24, and the middle column screw rod nut 24 is embedded in the top column mounting plate 25. This design can control the lifting column at any height.

[0028] Preferably, a slider 19 that can be engaged with the middle column guide rail 22 is installed on the outside of the top column 26, and a load mounting plate 27 is provided on the top. This design realizes the up and down movement of the top column and also provides installation space for the three-dimensional scanner.

[0029] Preferably, the lifting column 2 is a hollow structure as a whole, and the bottom column guide rail 13, the middle column guide rail 22 and the slider 19 are four groups each, which are centrally symmetrically distributed, and the limit block 11 is a buffer material, and is provided with four groups, which are staggered with a certain distance from the bottom column guide rail 13 and the middle column guide rail 22, and are distributed in a circle. This design maximizes the use of space, and simplifies the structure as much as possible while improving the function.

[0030] Preferably, the inner diameter of the bottom column 12 is slightly larger than the outer diameter of the middle column 21, and the inner diameter of the middle column 21 is slightly larger than the outer diameter of the top column 26. This design satisfies the height control of the lifting column.

[0031] The working principle of this embodiment is as follows:

[0032] When the utility model is in use, the lifting column 2 is installed on the mobile chassis 1, and then the three-dimensional laser scanner 3 is installed on the load mounting plate 27 of the lifting column 2. After the mobile chassis 1 is moved to a suitable measuring location, the height of the middle column 21 and the top column 26 can be adjusted by controlling the start, stop and forward and reverse rotation of the bottom column drive motor 6 and the middle column drive motor 28 respectively. After the three-dimensional laser scanner 3 rises to a suitable height, it can also be rotated and pitched to adjust the posture of the three-dimensional laser scanner 3, so as to realize an all-round and large-scale scanning of the measured equipment, so that a detailed and reliable maintenance plan can be formulated before maintenance to ensure the safe and stable operation of the power system.

[0033] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An auxiliary device for laser scanning, comprising a mobile chassis (1), characterized in that: A lifting column (2) is installed on the mobile chassis (1); the bottom of the lifting column (2) is connected to the top plate of the mobile chassis (1) via a bottom plate (4); a bottom column (12) is arranged on the bottom plate (4); the top of the bottom column (12) is connected to one end of an intermediate column (21); the other end of the intermediate column (21) is connected to the bottom of a top column (26); a load mounting plate (27) is arranged on the top of the top column (26); and a three-dimensional laser scanner (3) is installed on the load mounting plate (27).

2. The auxiliary device for laser scanning according to claim 1, characterized in that: A bottom column guide rail (13) and a limit block (11) are arranged on the inner side of the bottom column (12); a bottom column mounting plate (10) is arranged at the bottom of the bottom column (12); and a bottom column drive motor (6), a bottom screw bearing (9) and a bottom column (12) are mounted on the bottom column mounting plate (10).

3. The auxiliary device for laser scanning according to claim 2, characterized in that: The bottom column drive motor (6) is located outside the bottom column (12); a bottom column main synchronous wheel (5) is provided at the bottom of the bottom column drive motor (6); the bottom column main synchronous wheel (5) is meshed with a bottom column slave synchronous wheel (8) through a bottom column synchronous belt (7); the bottom column slave synchronous wheel (8) is connected to one end of a bottom column screw rod (14); the other end of the bottom column screw rod (14) is sleeved in a bottom column screw rod nut (15); and the bottom column screw rod nut (15) is embedded in an intermediate column mounting plate (18).

4. The auxiliary device for laser scanning according to claim 1, characterized in that: The middle column (21) is provided with a middle column guide rail (22) and a limit block (11) on the inner side, and a slider (19) which can be engaged with the bottom column guide rail (13) is installed on the outer side. The middle column mounting plate (18) is provided with a middle column drive motor (28), a middle screw bearing (20), the middle column (21) and a bottom column screw nut (15).

5. The auxiliary device for laser scanning according to claim 4, characterized in that: An intermediate column main synchronous wheel (29) is arranged at the bottom of the intermediate column driving motor (28); the intermediate column main synchronous wheel (29) meshes with the intermediate column slave synchronous wheel (16) through the intermediate column synchronous belt (17); the intermediate column slave synchronous wheel (16) is connected to one end of the intermediate column screw rod (23); the other end of the intermediate column screw rod (23) is sleeved in the intermediate column screw rod nut (24); and the intermediate column screw rod nut (24) is embedded in the top column mounting plate (25).

6. The auxiliary device for laser scanning according to claim 1, characterized in that: A sliding block (19) which can be engaged with the middle column guide rail (22) is installed on the outer side of the top column (26), and a load mounting plate (27) is arranged on the top end.

7. The auxiliary device for laser scanning according to claim 1, characterized in that: The lifting column (2) is a hollow structure as a whole, and the bottom column guide rail (13), the middle column guide rail (22) and the sliding block (19) are four groups each, which are centrally symmetrically distributed. The limit blocks (11) are buffer materials, and are provided in four groups, which are staggered with the bottom column guide rail (13) and the middle column guide rail (22) by a certain distance and are distributed in a circular manner.

8. The auxiliary device for laser scanning according to claim 1, characterized in that: The inner diameter of the bottom column (12) is slightly larger than the outer diameter of the middle column (21), and the inner diameter of the middle column (21) is slightly larger than the outer diameter of the top column (26).

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