Three-dimensional laser ranging device for power construction

Abstract

The invention provides a power construction three-dimensional laser ranging device which comprises a movable chassis, the movable chassis is provided with a rack, a tray and an inclination sensor are arranged at the top of the rack, a telescopic supporting mechanism is arranged at the top of the tray, and a laser range finder is arranged at the upper end of the telescopic supporting mechanism. A protection mechanism corresponding to the laser range finder is arranged on the outer side of the upper end of the telescopic supporting mechanism. According to the invention, the inclination sensor can detect the inclination angle of the mobile chassis, when a detection value is greater than a preset inclination angle threshold value, it is judged that the mobile chassis will topple over, and at the moment, the protection mechanism acts to protect the laser range finder, so that the situation that the laser range finder is damaged due to contact with the ground after toppling over, and large economic loss is caused is avoided; and when it is judged that the movable chassis is about to topple over, the control module controls the pushing assembly to act rapidly, the supporting ring is pushed to drive the protective cylinder to move upwards, the protective cylinder is arranged on the outer side of the laser range finder in a sleeving mode, and the laser range finder is protected.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power construction, and in particular relates to a three-dimensional laser distance measuring device for electric power construction. Background Art

[0002] During the power construction process, it is often necessary to use a laser distance measuring device to measure the distance of objects within a long range.

[0003] Laser distance measuring devices in the prior art, such as the Chinese utility model patent document with authorization announcement number CN207557474U, disclose a handheld automatic lifting three-dimensional laser distance measuring device, which can adjust the height of the distance measuring device by adjusting the lifting support rod to meet the measurement requirements of different heights. During measurement, the distance measuring device is manually held by hand for mobile measurement. Since the lifting device is high, it is easy to tip over during the mobile measurement process. The tipping over of the lifting device is easy to cause the distance measuring device on its top to collide with the ground and be damaged.

[0004] Therefore, it is necessary to design a three-dimensional laser ranging device for electric power construction that can avoid tipping over and damaging the rangefinder to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a three-dimensional laser distance measuring device for electric power construction which can avoid tipping over and damaging the distance measuring device.

[0006] The technical solution of the present invention is as follows: a three-dimensional laser distance measuring device for electric power construction comprises a mobile chassis, the mobile chassis has a frame, a tray and a tilt sensor are arranged on the top of the frame, a telescopic support mechanism is arranged on the top of the tray, a laser distance meter is arranged on the upper end of the telescopic support mechanism, and a protective mechanism corresponding to the laser distance meter is arranged on the outer side of the upper end of the telescopic support mechanism; the protective mechanism comprises a support ring sleeved on the outer side of the upper end of the telescopic support mechanism, a casing is fixedly arranged on the outer bottom of the support ring, and a pushing component for driving the support ring to move upward along its axial direction is arranged at the bottom of the support ring; a control module is arranged inside the telescopic support mechanism, the pushing component and the tilt sensor are evenly connected to the control module, and a tilt angle threshold is preset inside the control module; when the tilt angle detected by the tilt sensor exceeds the tilt angle threshold, the control module controls the pushing component to move the support ring upward along its axial direction to sleeve the casing on the outer side of the laser distance meter.

[0007] The pushing assembly has a cylinder body arranged in a circular array on the outside of the upper end of the telescopic support mechanism, a piston is slidably arranged inside the cylinder body, a piston rod is fixedly arranged on the upper end of the piston, the upper end of the piston rod is fixedly connected to the bottom of the support ring, and the bottom end of the cylinder body is connected to a solenoid valve and a high-pressure gas cylinder in sequence through a pipeline; the control module has a controller, and the solenoid valve and the tilt sensor are both connected to the controller.

[0008] The high-pressure gas cylinder is connected to a pressure sensor, and the pressure sensor is connected to the controller.

[0009] The controller is connected with an audible and visual alarm.

[0010] A rotating drum is rotatably arranged on the top of the tray, and a rotating drum driving assembly for driving the rotating drum to rotate is arranged on the tray. A nut is concentrically fixedly arranged on the top of the rotating drum, and a lifting cylinder is threadedly connected to the nut. The lifting cylinder is vertically slidably connected to the top of the tray, and the laser rangefinder is arranged on the top of the lifting cylinder.

[0011] The drum drive assembly has a slewing bearing arranged on the top of the tray, the slewing bearing has an inner ring and an outer ring rotatably arranged on the outside of the inner ring, the inner ring is fixedly arranged on the top of the tray, the bottom end of the drum is fixedly connected to the top of the outer ring, the outer side of the outer ring has an outer gear ring, the outer side of the outer ring has a gear meshing on the outer gear ring, and a drum drive motor for driving the gear to rotate is fixedly arranged on the tray.

[0012] A lifting plate is fixedly provided at the bottom end of the lifting cylinder, and at least two guide rods corresponding to the lifting plate are arranged in a circular array on the top of the tray. The lifting plate is slidably connected to the guide rods, and a limit plate is fixedly provided on the top end of the guide rods.

[0013] A support plate is disposed at the top end of the lifting cylinder, and a rotation driving mechanism for driving the laser rangefinder to rotate is disposed on the support plate.

[0014] The rotary drive mechanism comprises a turntable rotatably arranged on the top of the support plate, and a rotary drive motor driving the turntable to rotate is arranged at the bottom of the support plate; the laser rangefinder is arranged on the top of the turntable.

[0015] The mobile chassis is a crawler chassis.

[0016] Beneficial effects of the present invention: (1) In the present invention, the tilt sensor can detect the tilt angle of the mobile chassis. When the detection value is greater than the preset tilt angle threshold, it is determined that the mobile chassis will tip over. At this time, the protective mechanism is activated to protect the laser rangefinder to prevent the laser rangefinder from contacting the ground after tipping over and being damaged, causing great economic losses. (2) When it is determined that the mobile chassis is about to fall, the control module controls the pushing assembly to move quickly, pushing the support ring to drive the casing to move upward, and the casing is sheathed on the outside of the laser rangefinder to protect the laser rangefinder; (3) The length of the telescopic support mechanism itself can be adjusted. By adjusting the length of the telescopic support mechanism, the height of the laser rangefinder can be adjusted to meet different measurement height requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural schematic diagrams of the three-dimensional laser ranging device for electric power construction in the present invention.

[0018] Figure 2 This is the second structural schematic diagram of the three-dimensional laser ranging device for electric power construction in the present invention.

[0019] Figure 3 for Figure 2 Cross-section view at AA in the middle.

[0020] Figure 4 for Figure 3 A partial enlarged view of point B in the middle.

[0021] Figure 5 It is a principle block diagram of the control module in the present invention. DETAILED DESCRIPTION

[0022] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is not intended to be any limitation on the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limitations.

[0023] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] like Figures 1 to 5 As shown, the three-dimensional laser distance measuring device for electric power construction comprises a mobile chassis 1, the mobile chassis 1 comprises a frame 11, a tray 12 and a tilt sensor 73 are arranged on the top of the frame 11, a telescopic support mechanism 2 is arranged on the top of the tray 12, a laser distance meter 4 is arranged on the upper end of the telescopic support mechanism 2, and a protective mechanism 3 corresponding to the laser distance meter 4 is arranged on the outer side of the upper end of the telescopic support mechanism 2; the protective mechanism 3 comprises a support ring 34 which is sleeved on the outer side of the upper end of the telescopic support mechanism 2, a casing 35 is fixedly arranged on the outer bottom of the outer side of the support ring 34, and a pushing component which drives the support ring 34 to move upward along its axial direction is arranged on the bottom of the support ring 34; a control module is arranged inside the telescopic support mechanism, the pushing component and the tilt sensor are connected to the control module, and a tilt angle threshold is preset inside the control module; when the tilt angle detected by the tilt sensor exceeds the tilt angle threshold, the control module controls The control push assembly moves the support ring upward along its axial direction, and the casing is sleeved on the outside of the laser rangefinder; in this embodiment, the tilt sensor 73 can detect the tilt angle of the mobile chassis 1. When the detection value is greater than the preset tilt angle threshold, it is judged that the mobile chassis 1 will tip over. At this time, the protection mechanism 3 acts to protect the laser rangefinder 4 to prevent the laser rangefinder 4 from contacting the ground and being damaged after tipping over, causing greater economic losses; when it is judged that the mobile chassis 1 will tip over, the control module 7 controls the push assembly to act quickly, pushes the support ring 34 to drive the casing 35 to move upward, and sleeves the casing 35 on the outside of the laser rangefinder 4 to protect the laser rangefinder 4; the length of the telescopic support mechanism 2 itself can be adjusted. By adjusting and changing the length of the telescopic support mechanism 2, the height of the laser rangefinder 4 can be adjusted to meet different measurement height requirements.

[0025] In some embodiments, as a specific implementation of the pushing component, the pushing component has a cylinder body 31 arranged in a circular array on the outer side of the upper end of the telescopic support mechanism, a piston 33 is slidably arranged inside the cylinder body 31, a piston rod 32 is fixedly arranged on the upper end of the piston 33, the upper end of the piston rod 32 is fixedly connected to the bottom of the support ring 34, and the bottom end of the cylinder body 31 is connected to the solenoid valve 72 and the high-pressure gas cylinder 6 in sequence through pipelines; the control module 7 has a controller 71, and the solenoid valve 72 and the tilt sensor 73 are both connected to the controller 71; the controller 71 obtains the detection tilt angle through the tilt sensor 73, and when it is judged that the mobile chassis 1 is about to tip over, , the controller 71 controls the solenoid valve 72 to operate, and the compressed gas in the high-pressure gas cylinder 6 quickly enters the cylinder 31, pushing the piston 33 to drive the piston rod 32 to move upward, and the piston rod 32 pushes the support ring 34 to drive the casing 35 to move upward, and the casing 35 is sleeved on the outside of the laser rangefinder 4 to protect the laser rangefinder 4; the piston rod 32 is pushed by compressed air, and the action is fast, so that the casing 35 can be sleeved on the outside of the laser rangefinder 4 before the laser rangefinder 4 contacts the ground; specifically, four cylinders 31 are arranged in a circular array on the outer side of the upper end of the telescopic support mechanism; the high-pressure gas cylinder 6 is filled with compressed air or nitrogen.

[0026] In some embodiments, an air pressure sensor 74 is connected to the high-pressure gas cylinder 6 . The air pressure sensor 74 is connected to the controller 71 . The air pressure sensor 74 is used to detect the internal air pressure of the high-pressure gas cylinder 6 .

[0027] In some embodiments, the controller 71 is connected to a sound and light alarm 75, and the air pressure sensor 74 is used to detect the internal air pressure of the high-pressure gas cylinder 6. When the internal air pressure is insufficient, that is, the air pressure sensor 74 detects a pressure drop, when the pressure drops to a preset lower limit, the controller 71 controls the sound and light alarm 75 to emit a sound and light alarm to remind relevant personnel to replace or repair the high-pressure gas cylinder 6 to replenish gas, so as to avoid affecting the protection effect of the laser rangefinder 4 due to insufficient air pressure.

[0028] In some embodiments, Figure 3 As shown, a rotating drum 21 is rotatably provided on the top of the tray 12, and a rotating drum driving assembly for driving the rotating drum 21 to rotate is provided on the tray 12. A nut 25 is concentrically fixedly provided on the top of the rotating drum 21, and a lifting drum 22 is threadedly connected in the nut 25. The lifting drum 22 is vertically slidably connected to the top of the tray 12, and the laser rangefinder 4 is arranged on the top of the lifting drum 22; an external thread matching the nut 25 is provided on the outer side of the lifting drum 22, and the rotating drum 21 is threadedly connected with the external thread on the outer side of the lifting drum 22 through the nut 25 at its top. The rotating drum driving assembly drives the rotating drum 21 to rotate, and the rotating drum 21 and the lifting drum 22 cooperate through a threaded structure to drive the lifting drum 22 to move up and down inside the rotating drum 21, thereby realizing the length adjustment of the telescopic support mechanism 2 itself.

[0029] In some embodiments, the drum drive assembly has a slewing bearing 26 arranged on the top of the tray 12, the slewing bearing 26 has an inner ring 261 and an outer ring 262 rotatably arranged on the outside of the inner ring 261, the inner ring 261 is fixedly arranged on the top of the tray 12, the bottom end of the drum 21 is fixedly connected to the top of the outer ring 262, the outer side of the outer ring 262 has an outer gear ring, and the outer gear ring is meshed with a gear 271, and a drum drive motor 27 for driving the gear 271 to rotate is fixedly arranged on the tray 12, the drum drive motor 27 drives the gear 271 to rotate, and the gear 271 is meshed with the outer gear ring outside the outer ring 262, driving the outer ring 262 to drive the drum 21 to rotate.

[0030] In some embodiments, a lifting plate 28 is fixedly provided at the bottom end of the lifting cylinder 22, and at least two guide rods 23 corresponding to the lifting plate 28 are arranged in a circular array on the top of the tray 12. The lifting plate 28 is slidably connected to the guide rod 23, and a limit plate 24 is fixedly provided at the top of the guide rod 23. The sliding connection between the guide rod 23 and the lifting plate 28 realizes the sliding connection of the lifting cylinder 22 above the tray 12, and at the same time can prevent the rotating cylinder 21 of the lifting cylinder 22 from rotating.

[0031] In some embodiments, Figure 1 As shown, a support plate 29 is provided at the top of the lifting cylinder 22, and a rotating drive mechanism 5 for driving the laser rangefinder 4 to rotate is provided on the support plate 29. The rotating drive mechanism 5 drives the laser rangefinder 4 to rotate, and can adjust the angle of the laser rangefinder 4 to meet the measurement requirements of different angles.

[0032] In some embodiments, Figure 4 As shown, the rotary drive mechanism 5 has a turntable 51 rotatably arranged on the top of the support plate 29, and a rotary drive motor 52 for driving the turntable 51 to rotate is arranged at the bottom of the support plate 29; the laser rangefinder 4 is arranged on the top of the turntable 51, and the rotary drive motor 52 drives the turntable 51 to rotate, and the angle of the turntable 51 can be adjusted. The turntable 51 drives the laser rangefinder 4 to rotate synchronously, thereby realizing the angle adjustment of the laser rangefinder 4.

[0033] In some embodiments, the mobile chassis 1 is a crawler chassis, which has good passability and stability and is not prone to tipping over.

[0034] In some embodiments, the control module 7 has a mobile power supply, a voltage regulating circuit, and a voltage stabilizing circuit for powering itself.

[0035] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0036] The above-mentioned embodiments only express some implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A three-dimensional laser ranging device for electric power construction, characterized in that: The mobile chassis comprises a frame, a tray and a tilt sensor are arranged on the top of the frame, a telescopic support mechanism is arranged on the top of the tray, a laser rangefinder is arranged on the upper end of the telescopic support mechanism, and a protective mechanism corresponding to the laser rangefinder is arranged on the outer side of the upper end of the telescopic support mechanism; The protection mechanism comprises a support ring sleeved on the outer side of the upper end of the telescopic support mechanism, a protective tube is fixedly arranged on the outer bottom of the support ring, and a pushing component for driving the support ring to move upward along its axial direction is arranged at the bottom of the support ring; A control module is provided inside the telescopic support mechanism, the pushing component and the tilt sensor are evenly connected to the control module, and a tilt angle threshold is preset inside the control module; When the tilt angle detected by the tilt sensor exceeds a tilt angle threshold, the control module controls the pushing assembly to push the support ring to move upward along its axial direction, so as to sleeve the casing on the outside of the laser rangefinder.

2. The three-dimensional laser ranging device for electric power construction according to claim 1, characterized in that: The pushing assembly has a cylinder body arranged in a circumferential array on the outer side of the upper end of the telescopic support mechanism, a piston is slidably arranged inside the cylinder body, a piston rod is fixedly arranged on the upper end of the piston, the upper end of the piston rod is fixedly connected to the bottom of the support ring, and the bottom end of the cylinder body is connected to a solenoid valve and a high-pressure gas cylinder in sequence through a pipeline; The control module has a controller, and the solenoid valve and the tilt sensor are both connected to the controller.

3. The three-dimensional laser ranging device for electric power construction according to claim 2, characterized in that: The high-pressure gas cylinder is connected to a pressure sensor, and the pressure sensor is connected to the controller.

4. The three-dimensional laser ranging device for electric power construction according to claim 3 is characterized in that: The controller is connected with an audible and visual alarm.

5. The three-dimensional laser ranging device for electric power construction according to claim 1, characterized in that: A rotating drum is rotatably arranged on the top of the tray, and a rotating drum driving assembly for driving the rotating drum to rotate is arranged on the tray. A nut is concentrically fixedly arranged on the top of the rotating drum, and a lifting cylinder is threadedly connected to the nut. The lifting cylinder is vertically slidably connected to the top of the tray, and the laser rangefinder is arranged on the top of the lifting cylinder.

6. The three-dimensional laser ranging device for electric power construction according to claim 5, characterized in that: The drum drive assembly has a slewing bearing arranged on the top of the tray, the slewing bearing has an inner ring and an outer ring rotatably arranged on the outside of the inner ring, the inner ring is fixedly arranged on the top of the tray, the bottom end of the drum is fixedly connected to the top of the outer ring, the outer side of the outer ring has an outer gear ring, the outer side of the outer ring has a gear meshing on the outer gear ring, and a drum drive motor for driving the gear to rotate is fixedly arranged on the tray.

7. The three-dimensional laser distance measuring device for electric power construction according to claim 5, characterized in that: A lifting plate is fixedly provided at the bottom end of the lifting cylinder, and at least two guide rods corresponding to the lifting plate are arranged in a circular array on the top of the tray. The lifting plate is slidably connected to the guide rods, and a limit plate is fixedly provided on the top end of the guide rods.

8. The three-dimensional laser distance measuring device for electric power construction according to claim 5, characterized in that: A support plate is disposed at the top end of the lifting cylinder, and a rotation driving mechanism for driving the laser rangefinder to rotate is disposed on the support plate.

9. The three-dimensional laser distance measuring device for electric power construction according to claim 8, characterized in that: The rotary drive mechanism comprises a turntable rotatably arranged on the top of the support plate, and a rotary drive motor driving the turntable to rotate is arranged at the bottom of the support plate; the laser rangefinder is arranged on the top of the turntable.

10. The three-dimensional laser distance measuring device for electric power construction according to claim 1, characterized in that: The mobile chassis is a crawler chassis.

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