Laser radar anti-falling device

Abstract

The invention discloses a laser radar anti-falling device, and relates to the technical field of supporting structures, the laser radar anti-falling device comprises an anti-falling assembly, the anti-falling assembly is used for preventing a laser radar from falling from a ship unloader girder, the anti-falling assembly comprises a triangular support, the triangular support is fixedly connected to the ship unloader girder, and the bottom of the triangular support is fixedly connected with a cage type support; the bottom face of the triangular support is fixedly connected with a mounting table, and the laser radar is fixedly connected to the bottom of the mounting table. Interference is immediately given out at the initial stage of looseness of the anti-falling assembly, so that the laser radar and the triangular support are protected, falling accidents are prevented, the laser radar and the triangular support are effectively prevented from falling due to connection looseness, harm to personnel and equipment is avoided, meanwhile, the anti-falling assembly is actively started instead of passively waiting for falling, and the safety of the laser radar and the triangular support is improved. A closed loop of monitoring, early warning and protection is formed, and the risk that the laser radar and the A-frame fall from the high altitude is fundamentally avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of supporting structures, and in particular to a laser radar anti-falling device. Background Art

[0002] The ship unloader's lidar is a sensor device used for high-precision distance measurement and spatial perception. Its core function is to calculate the distance, position or contour information of the target (such as ships, cargo, obstacles, etc.) by emitting laser beams and receiving reflected signals.

[0003] Existing laser radars are usually installed on the ship unloader beam through a bracket. However, since the ship unloader is in a high-frequency vibration environment for a long time, such as mechanical vibration during the lifting and lowering of the grab bucket and the rotation of the beam, the bolts between the bracket and the beam may gradually loosen or even break, causing the radar to lose its fixed support. As a result, the laser radar and its mounting bracket are at risk of falling. At the same time, ship unloaders are usually deployed at port terminals and exposed to high-salinity and humid environments, which makes the metal parts of the laser radar bracket prone to corrosion, resulting in a decrease in structural strength, and eventually causing loosening or breakage, causing the laser radar to fall from a high altitude.

[0004] LiDAR is usually installed high up on the ship unloader beam. If it falls, the impact of its high-speed fall is enough to kill or cause serious injury to people, posing a hidden danger to the production safety of on-site workers. At the same time, the fall of the LiDAR will directly cause the ship unloader to shut down urgently, resulting in cargo detention and affecting the ship's work efficiency.

[0005] To this end, a laser radar anti-fall device is proposed. Summary of the Invention

[0006] The purpose of the present invention is to provide a laser radar anti-falling device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a laser radar anti-fall device, comprising an anti-fall assembly for preventing the laser radar from falling from a ship unloader beam, the anti-fall assembly comprising a triangular bracket, the triangular bracket being fixedly connected to the side of the ship unloader beam, the bottom of the triangular bracket being fixedly connected to a cage bracket, the bottom surface of the triangular bracket being fixedly connected to a mounting platform, the bottom of the mounting platform being fixedly connected to a plurality of L-shaped plates, the laser radar being fixedly connected to the bottom of the mounting platform through the L-shaped plate, the laser radar being fixedly connected to the L-shaped plate, and a thin film pressure sensor being provided at the connection between the two, the bottom of the ship unloader beam being fixedly connected to a U-shaped plate, the cage bracket being fixedly connected to the U-shaped plate, and a thin film pressure sensor being provided at the connection between the two, the outer surface of the bottom of the cage bracket being fixedly connected to a plurality of groups of support rods in an annular array, two support rods forming a group, a flip claw being rotatably connected between the two support rods of each group, the two ends of the flip claw passing through the support rod, each end of the flip claw passing through the support rod being fixedly sleeved with a cover, a spring being provided inside the cover, and a plurality of coils of elastic rope being fixedly connected to the flip claw.

[0008] Furthermore, the top of the ship unloader beam is fixedly connected with an electric telescopic rod, the telescopic shaft of the electric telescopic rod is fixedly connected with an L-shaped connecting rod, the end of the L-shaped connecting rod away from the electric telescopic rod is fixedly connected with a connecting plate, the bottom surface of the ship unloader beam is fixedly connected with a guide rod, the guide rod is slidably connected to the connecting plate, the end of the connecting plate away from the L-shaped connecting rod is fixedly connected with a semi-ring plate, the semi-ring plate is extruded and adapted to the flip claw, a shift groove 1 is provided on the ship unloader beam, a shift block is slidably connected inside the shift groove 1, the telescopic shaft of the electric telescopic rod is fixedly connected with an L-shaped poking rod, the L-shaped poking rod is extruded and adapted to the shift block, a plurality of springs 2 are arranged inside the shift groove 1, a shift groove 2 is provided on the shift block, a clamping block is slidably connected inside the shift groove 2, and a plurality of springs 3 are connected between the bottom surface of the clamping block and the bottom surface of the shift groove 2.

[0009] Furthermore, the triangular bracket is fixedly connected to the ship unloader beam by bolts, and the cage bracket includes two annular bodies arranged from top to bottom, the diameter of the lower annular body is smaller than the diameter of the upper annular body, and the upper annular body is connected to the U-shaped plate. The upper and lower annular bodies of the cage bracket are connected by multiple connecting rods.

[0010] Furthermore, an opening is provided on a side of the cage bracket away from the ship unloader beam, the head and tail ends of the elastic rope are detachably connected, and the part where the head and tail ends of the elastic rope are connected is located at the opening of the cage bracket.

[0011] Furthermore, the bottom end of the flip claw is bent, the spring 1 is a torsion spring, and the two ends of the spring 1 are respectively fixedly connected to the inner surface of the envelope and the support rod, and the envelope and the support rod are tightly fitted.

[0012] Furthermore, a protective shell is fixedly connected to the top of the ship unloader beam, and the protective shell covers the electric telescopic rod, the L-shaped connecting rod and the L-shaped poking rod inside.

[0013] Furthermore, an inclined groove is provided on the shift block, and the end of the L-shaped poking rod away from the electric telescopic rod extends downward, and the end of the L-shaped poking rod away from the electric telescopic rod extends into the inclined groove, the bottom end of the L-shaped poking rod is set as an inclined surface, and the bottom groove wall of the inclined groove is set as an inclined surface, and the inclined surface of the L-shaped poking rod is squeezed and adapted to the inclined surface of the inclined groove.

[0014] Furthermore, the two ends of the spring 2 are respectively fixedly connected to the shift block and the groove wall of the shift groove 1, and the two ends of the spring 3 are respectively fixedly connected to the bottom surface of the clamping block and the bottom groove wall of the shift groove 2.

[0015] Furthermore, the tripod includes a rectangular frame, a flat plate and two tripods. The rectangular frame consists of two horizontal arms and two vertical arms, with a rectangular hollow in the middle. The rectangular frame is installed and fixed on the side of the ship unloader beam. The flat plate is fixed on the bottom horizontal arm of the rectangular frame. The two tripods are connected to the opposite ends of the flat plate and connected to the rectangular frame. The top of the shift slot is flush with the lower surface of the top horizontal arm of the tripod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: During use, the existing lidar suffers from loosening bolts due to the high-frequency vibration of the ship unloader and corrosion of metal parts by the marine climate, which leads to a decrease in the connection strength between the lidar and the tripod bracket. However, through the operation of the anti-fall component, the connection between the lidar and the tripod bracket is monitored in real time, covering all possible loosening scenarios. An electrical signal is sent in the early stages of loosening to promptly notify staff for inspection and maintenance.

[0017] At the same time, the anti-fall component can immediately protect the laser radar and tripod bracket in the initial stage of loosening to prevent falling accidents. It can effectively prevent the laser radar and anti-fall component from falling due to loose or broken connections, avoiding damage to personnel and equipment. At the same time, the anti-fall component actively starts to protect rather than passively waiting for falling, forming a closed loop of monitoring, early warning, and protection, thereby fundamentally avoiding the risk of laser radar and tripod bracket falling from high altitudes. It can immediately start protection at the initial stage of risk discovery, effectively curb the spread of chain reactions caused by loosening, and prevent small problems from turning into major accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall device of the present invention; Figure 2 This is a schematic diagram of the coordination of the tripod bracket, cage bracket, mounting platform and other structures of the present invention; Figure 3 It is a three-dimensional cutaway schematic diagram of the overall structure of the present invention; Figure 4 For the present invention Figure 3 A in the middle is an enlarged schematic diagram; Figure 5 For the present invention Figure 3 The enlarged schematic diagram of point B in the middle; Figure 6 It is a schematic planar cross-sectional view of the overall structure of the present invention; Figure 7 For the present invention Figure 6 The enlarged schematic diagram of point C in the middle; Figure 8 For the present invention Figure 6 The enlarged schematic diagram of point D in the middle; Figure 9 It is a cross-sectional schematic diagram of the cage bracket, support rod and other structures of the present invention; Figure 10 For the present invention Figure 9 The enlarged schematic diagram at E in the middle; Figure 11 This is a cross-sectional schematic diagram of the ship unloader structure including the beam and protective shell of the present invention; Figure 12 For the present invention Figure 11 The enlarged schematic diagram at F in the middle; Figure 13 It is an exploded schematic diagram of the structures such as the shifting block and the clamping block of the present invention.

[0019] In the picture: 11, ship unloader beam; 12, laser radar; 21. Triangle bracket; 22. Cage bracket; 23. Mounting table; 24. U-shaped plate; 25. L-shaped plate; 26. Support rod; 27. Flip claw; 28. Envelope; 29. ​​Spring 1; 210. Elastic rope; 211. Electric telescopic rod; 212. L-shaped connecting rod; 213. Connecting plate; 214. Guide rod; 215. Semi-ring plate; 216. Shifting groove 1; 217. Shifting block; 218. Inclined groove; 219. L-shaped poking rod; 220. Spring 2; 221. Shifting groove 2; 222. Block; 223. Spring 3; 224. Protective shell. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0021] The present invention provides the following embodiments: See also Figures 1 to 13As shown, a laser radar anti-fall device includes an anti-fall assembly for preventing the laser radar 12 from falling from the ship unloader beam 11. The anti-fall assembly includes a tripod 21 fixedly connected to the side of the ship unloader beam 11. The tripod 21 comprises a rectangular frame, a flat plate, and two tripods. The rectangular frame consists of two horizontal arms and two vertical arms with a rectangular hollow in the middle. The rectangular frame is mounted and fixed to the side of the ship unloader beam 11. The flat plate is fixed to the bottom horizontal arm of the rectangular frame. The two tripods are connected to the flat plate at opposite ends and connected to the rectangular frame. The bottom of the tripod 21 is fixedly connected to a cage bracket 22, which can be fixedly connected to the cage bracket 22 by welding. The tripod 21 is connected to a mounting platform 23, to which the laser radar 12 is fixedly connected. The mounting platform 23 is fixedly connected to the bottom of the mounting platform 23. A plurality of symmetrically arranged L-shaped plates 25 are fixedly connected to the bottom of the mounting platform 23. The laser radar 12 is fixedly connected to the L-shaped plates 25. A U-shaped plate 24 is fixedly connected to the bottom of the ship unloader beam 11. The outer surface of the bottom of the cage bracket 22 is fixedly connected to multiple groups of support rods 26 in a circular array. Two support rods 26 form a group, and a flap 27 is rotatably connected between the two support rods 26 in each group. All flaps 27 form a circle, and each end of each flap 27 extends through the support rod 26. A sleeve 28 is fixedly placed at each end of the flap 27 extending through the support rod 26. A spring 29 is installed inside the sleeve 28. The spring 29 is a torsion spring, and its ends are fixedly connected to the inner surface of the sleeve 28 and the support rod 26. Multiple loops of elastic rope 210 are fixedly connected to the circle of flaps 27.

[0022] An electric telescopic rod 211 is fixedly connected to the top of the ship unloader beam 11. An L-shaped connecting rod 212 is fixedly connected to the end of the telescopic shaft of the electric telescopic rod 211. The vertical section of the L-shaped connecting rod 212 faces downward, and a connecting plate 213 is fixedly connected to the end of the L-shaped connecting rod 212 away from the electric telescopic rod 211. A guide rod 214 is fixedly connected to the bottom surface of the ship unloader beam 11, and a semi-annular plate 215 is fixedly connected to the end of the connecting plate 213 away from the L-shaped connecting rod 212. A shift groove 216 is defined on the side of the ship unloader beam 11 where the triangular bracket 21 is mounted. The top of the shift groove 216 is flush with the bottom surface of the topmost horizontal arm of the triangular bracket 21, that is, the top of the shift groove 216 is flush with the top of the rectangular hollow portion of the rectangular frame of the triangular bracket 21. A shift block 217 is slidably connected to the interior of the shift groove 216. The shift block 217 is provided with an inclined slot 218. An L-shaped protrusion rod 219 is fixedly connected to the telescopic shaft of the electric telescopic rod 211. The vertical section of the L-shaped protrusion rod 219 faces downward, and the bottom end of the vertical section of the L-shaped protrusion rod 219 extends downward into the ship unloader beam 11 to compress and fit with the shift block 217. This means that downward movement of the L-shaped protrusion rod 219 can push the shift block 217 horizontally outward. Multiple second springs 220 are located within the first shift slot 216. A second shift slot 221 is provided on the top surface of the shift block 217, which is closer to the outside. A clamping block 222 is slidably connected within the second shift slot 221, allowing it to move up and down within the second shift slot 221. Multiple third springs 223 are connected between the bottom surfaces of the clamping block 222 and the bottom surfaces of the second shift slot 221. A protective shell 224 is fixedly connected to the top of the ship unloader beam 11, and the protective shell 224 covers the electric telescopic rod 211, the L-shaped connecting rod 212 and the L-shaped poking rod 219 inside. The purpose is to prevent the coastal environment from corroding the electric telescopic rod 211, the L-shaped poking rod 219, the L-shaped connecting rod 212 and other structures. It should be noted that the shift block 217, the clamping block 222 and other structures inside the shift groove 1 216 are all located inside the shift groove 1 216 when no anti-fall protection is performed, and are not in contact with the external environment. This is also to avoid interference from the external environment, and the purpose is to ensure the effectiveness of the anti-fall protection of the laser radar 12 and the tripod bracket 21.

[0023] Among them, the ship unloader beam 11 and the laser radar 12 are both existing known technologies and will not be described in detail here.

[0024] Wherein: the triangular bracket 21 is fixedly connected to the ship unloader beam 11 by bolts, see Figure 2 The cage bracket 22 includes two annular bodies arranged from top to bottom. The diameter of the lower annular body is smaller than that of the upper annular body. The upper annular body is connected to the U-shaped plate 24. The upper and lower annular bodies of the cage bracket 22 are connected by multiple connecting rods. An opening is opened on the side of the annular body away from the ship unloader beam 11. The function of the opening is to facilitate the user to install and repair the laser radar 12.

[0025] Among them: an equipment box is set on the flat plate of the tripod bracket 21, and the equipment box contains modules such as power supply, signal receiving and transmitting processing, etc.

[0026] The size of the rotating plate of the mounting platform 23 is smaller than the size of the annular body above the cage support 22 , but larger than the size of the annular body below the cage support 22 , so as to prevent the mounting platform 23 from falling downward from the cage support 22 .

[0027] Among them: reference Figure 5 、 Figure 8 As shown, the triangular bracket 21 and the cage bracket 22 are preferably an integrated structure, and a thin film pressure sensor is installed on the inner side of the U-shaped plate 24, and a small distance is maintained between the inner side of the U-shaped plate 24 and the annular body above the cage bracket 22. Specifically, since the triangular bracket 21 and the cage bracket 22 are fixedly connected, if the threads of the triangular bracket 21 are loose, the metal parts are corroded, and the structural strength is reduced, etc., when the connection strength with the ship unloader beam 11 is weakened, the triangular bracket 21 and the cage bracket 22 will be affected by external factors such as the vibration of the ship unloader operation and the blowing of high-altitude sea breeze on the ship unloader beam 11, causing the triangular bracket 21 and the cage bracket 22 to shift on the ship unloader beam 11, that is, deflection, shaking, etc. At this time, the annular body above the cage bracket 22 will conflict with the thin film pressure sensor on the inner surface of the U-shaped plate 24, causing the thin film pressure sensor on the U-shaped plate 24 to generate an electrical signal.

[0028] A thin film pressure sensor is installed at the connection between the L-shaped plate 25 and the laser radar 12. This sensor is located on the inner side of the L-shaped plate 25. A slight gap is maintained between the L-shaped plate and the laser radar 12, so the thin film pressure sensor is not subject to stress under normal conditions. Specifically, when the connection between the laser radar 12 and the mounting platform 23 becomes loose, the laser radar 12 contacts the thin film pressure sensor on the inner surface of the L-shaped plate 25, causing it to generate an electrical signal.

[0029] It should be noted that there is an electrical connection between the thin film pressure sensor and the control system of the laser radar 12. Specifically, when the thin film pressure sensor on the L-shaped plate 25 detects pressure, it transmits an electrical signal to the control system, which indicates that the laser radar 12 is at risk of falling. The control system receives the electrical signal and informs the operator, prompting the operator to promptly discover and understand the situation of the laser radar 12 when the laser radar 12 is at risk of falling but has not actually fallen, and activate the electric telescopic rod 211 of the anti-fall component to prevent the laser radar 12 from falling from a high altitude; when the thin film pressure sensor on the U-shaped plate 24 detects pressure, it transmits an electrical signal to the control system, which indicates that the tripod bracket 21 is at risk of falling. The control system receives the electrical signal and informs the operator, prompting the operator to promptly discover and understand the situation of the tripod bracket 21 when the tripod bracket 21 is at risk of falling but has not actually fallen, and activate the electric telescopic rod 211 of the anti-fall component to prevent the tripod bracket 21 from falling from a high altitude.

[0030] When the control system receives the electrical signal transmitted by the thin film pressure sensor, in addition to notifying the operator, it also activates the electric telescopic rod 211, so that the anti-fall component can provide emergency protection for the laser radar 12 and the tripod 21 when there is a risk of falling, preventing the laser radar 12 and the tripod 21 from falling from a high altitude, as follows: Reference Figure 4 、 Figure 7 as well as Figure 13 As shown, before the electric telescopic rod 211 receives the electrical signal from the control system, the telescopic shaft of the electric telescopic rod 211 is extended, that is, the telescopic shaft end of the electric telescopic rod 211 is located at the highest position. When the electric telescopic rod 211 receives the electrical signal from the control system, the telescopic shaft of the electric telescopic rod 211 is retracted, so that the telescopic shaft end of the electric telescopic rod 211 is retracted to the lowest position.

[0031] There are two aspects to preventing the laser radar 12 from falling. On the one hand, there is looseness between the tripod 21 and the ship unloader beam 11, which is detected by the thin film pressure sensor on the U-shaped plate 24. On the other hand, there is looseness between the laser radar 12 and the mounting platform 23, which is detected by the thin film pressure sensor on the L-shaped plate 25. It should be noted that although it is divided into two parts, the emergency protection of the laser radar 12 and the tripod 21 is carried out simultaneously, and both are linked by the contraction of the telescopic axis of the electric telescopic rod 211. The purpose is: if either the laser radar 12 or the tripod 21 becomes loose, the laser radar 12 and the tripod 21 are simultaneously protected to prevent the laser radar 12 and the tripod 21 from falling. The following first explains the prevention of the laser radar 12 from falling: Among them: reference Figure 3 、 Figure 5 、 Figure 9 、 Figure 10As shown, the flap 27 is set to a bent bottom shape, and the two ends of the spring 29 are fixedly connected to the inner surface of the sleeve 28 and the support rod 26 respectively. When the spring 29 does not produce elastic deformation, the flap 27 is on the cage bracket 22 as shown in FIG. Figure 8 In the state shown, the plurality of flaps 27 are located in the upper area of ​​the laser radar 12, and the flaps 27 do not interfere with the laser detection of the laser radar 12. It should be noted that: Figure 10 As shown, the sleeve 28 fits tightly against the support rod 26, wrapping the spring 1 29 therein, preventing the spring 1 29 from being corroded by external factors such as high-altitude sea breeze, and ensuring that the spring 1 29 can always maintain its elastic properties.

[0032] Among them, the part where the end parts of the elastic rope 210 are connected is located at the opening of the cage bracket 22, and the end parts of the elastic rope 210 are detachably connected. The purpose is that when the operator needs to install or repair the laser radar 12, the operator can untie the end parts of the elastic rope 210, so that the end parts of the elastic rope 210 are disconnected, so that the elastic rope 210 does not affect the operator's work.

[0033] Among them: the elastic rope 210 is set as a core-wrapped elastic rope, specifically a rubber core plus a nylon outer layer, with the following material characteristics: rubber wire is used as the core material to provide elasticity, and the outer layer is wrapped with nylon and other wear-resistant and corrosion-resistant fiber materials. The nylon outer layer has excellent wear resistance, corrosion resistance and UV resistance, which can effectively protect the internal rubber core from erosion by the external environment, ensuring that the elastic rope 210 will not change its structural elastic characteristics in the high-altitude environment at the seaside.

[0034] Among them: reference Figures 4 to 8 as well as Figure 13 As shown, the L-shaped connecting rod 212 extends downward away from one end of the electric telescopic rod 211, and the semi-annular plate 215 is squeezed and adapted with the multiple claws 27, that is, when the semi-annular plate 215 moves downward, the semi-annular plate 215 squeezes the claws 27 to flip downward, and causes the spring 1 29 to produce elastic deformation. When the telescopic shaft of the electric telescopic rod 211 is fully retracted, the semi-annular plate 215 squeezes the multiple claws 27 to flip, causing the multiple claws 27 to flip vertically downward. Due to the bending of the bottom of the claws 27, when the multiple claws 27 flip to face vertically downward, the multiple claws 27 close at the bottom of the cage bracket 22. The closed multiple claws 27 cover the laser radar 12, so that the laser radar 12 cannot fall down from the multiple claws 27. At this time, the role of the elastic rope 210 is to fill the open side of the cage bracket 22 and to enclose the gaps between the multiple claws 27 to enhance the protection capability of the claws 27 for the laser radar 12.

[0035] Among them: reference Figure 8As shown, the guide rod 214 is slidably connected to the connecting plate 213. The function of the guide rod 214 is: when the electric telescopic rod 211 drives the connecting plate 213 to move downward through the L-shaped connecting rod 212, the connecting plate 213 slides downward along the guide rod 214 at the same time, ensuring that the connecting plate 213 moves vertically downward, that is, ensuring that the semi-annular plate 215 moves vertically downward, so that the movement of the semi-annular plate 215 can push each flip claw 27 to flip downward.

[0036] In summary: when the control system receives the electrical signal transmitted by the thin film pressure sensor, the control system controls the telescopic axis of the electric telescopic rod 211 to move downward, so that the multiple claws 27 are closed at the bottom of the cage bracket 22, and the multiple claws 27 wrap the laser radar 12 inside, thereby preventing the laser radar 12 from falling from a high altitude.

[0037] The following describes the anti-falling function of the tripod bracket 21: Among them: reference Figure 4 、 Figure 7 、 Figure 12 and Figure 13 As shown, an inclined groove 218 is provided on the side of the shift block 217 close to the interior, and an L-shaped poking rod 219 extends downward at one end away from the electric telescopic rod 211, and the end of the L-shaped poking rod 219 away from the electric telescopic rod 211 penetrates into the inclined groove 218, and the bottom end of the L-shaped poking rod 219 is slidably connected to the ship unloader beam 11. It should be noted that: the bottom end of the L-shaped poking rod 219 is set as an inclined surface, and the bottom groove wall of the inclined groove 218 is set as an inclined surface. The inclined surface of the L-shaped poking rod 219 is squeezed and adapted with the inclined surface of the inclined groove 218. When the L-shaped poking rod 219 moves downward, the L-shaped poking rod 219 cooperates with the inclined surface of the inclined groove 218, so that the shift block 217 moves horizontally toward the triangular bracket 21 inside the shift groove 216.

[0038] Among them: reference Figure 4 、 Figure 7 、 Figure 12 and Figure 13 As shown, the two ends of the second spring 220 are fixedly connected to the shift block 217 and the groove wall of the first shift groove 216 respectively. Specifically, when the shift block 217 moves horizontally toward the triangular bracket 21 inside the first shift groove 216, the second spring 220 is elastically stretched.

[0039] Among them: reference Figure 4 、 Figure 7 、 Figure 12 and Figure 13 As shown, the two ends of the spring three 223 are fixedly connected to the bottom surface of the clamping block 222 and the bottom groove wall of the second shifting groove 221 respectively. Specifically, when the shifting block 217 does not move outward from the inside of the first shifting groove 216, that is, when the triangular bracket 21 is not protected from falling, the top of the clamping block 222 conflicts with the ship unloader beam 11, and the spring three 223 is in an elastically compressed state. When the control system receives the electrical signal transmitted by the thin film pressure sensor on the U-shaped plate 24, the control system controls the telescopic shaft of the electric telescopic rod 211 to retract, and the telescopic shaft end of the electric telescopic rod 211 drives the L-shaped poking rod 219 to move downward. When the L-shaped poking rod 219 moves downward, the L-shaped poking rod 219 cooperates with the inclined surface of the inclined groove 218, so that the L-shaped poking rod 219 pushes the shifting block 217 to move horizontally in the direction of the triangular bracket 21 inside the shifting groove 1 216. As the shifting block 217 moves horizontally toward the triangular bracket 21, the spring 220 The clamping block 222 is elastically stretched and moves along with the shifting block 217. When the clamping block 222 is just driven by the shifting block 217 to move to the outside of the shifting groove 1 216, the lower surface of the frame top of the triangular bracket 21 contacts the top of the clamping block 222, limiting the elastic extension of the spring 3 223. When the clamping block 222 continues to move horizontally until the clamping block 222 no longer contacts the triangular bracket 21, the elastic extension of the spring 3 223 is no longer restricted. Under the elastic extension action of the spring 3 223, the clamping block 222 moves upward inside the shifting groove 221 and extends from the top. At this time, the top surface of the shift block 217 fits with the bottom surface of the horizontal arm of the triangular bracket 21, and the side surface of the clamping block 222 fits with the side surface of the triangular bracket 21 away from the ship unloader beam 11, so that the clamping block 222 and the shifting block 217 form an L-shaped hook extending from the inside of the ship unloader beam 11. The hook hooks the frame of the triangular bracket 21, restricting the triangular bracket 21 from falling downward, thereby preventing the triangular bracket 21 from falling.

[0040] In summary: when the control system receives the electrical signal transmitted by the thin film pressure sensors on the U-shaped plate 24 and the L-shaped plate 25, the control system controls the telescopic axis of the electric telescopic rod 211 to move downward, so that the shift block 217 and the clamping block 222 extend from the inside of the shift groove 216 and combine into a hook-shaped structure, hooking the tripod bracket 21 to prevent the tripod bracket 21 from falling from a high altitude.

[0041] In summary: when either the laser radar 12 or the tripod bracket 21 becomes loose, that is, when the control system receives the electrical signal transmitted by the thin film pressure sensor on the U-shaped plate 24 and the L-shaped plate 25, the control system controls the telescopic axis of the electric telescopic rod 211 to move downward, and at the same time performs emergency protection on the laser radar 12 and the tripod bracket 21 to prevent the laser radar 12 and the tripod bracket 21 from falling.

[0042] It should be noted that: when the operator receives a reminder from the control system and needs to release the anti-fall limit locking state of the anti-fall component, the operator controls the telescopic axis of the electric telescopic rod 211 to extend, and then under the elastic extension of the spring 1 29, the multiple flaps 27 are released from the closed state, so that the bottom of the laser radar 12 is exposed, and at the same time, the operator presses the card block 222 downward, so that the card block 222 is retracted into the inside of the shift groove 221, and under the elastic contraction of the spring 220, the shift block 217 is retracted into the inside of the shift groove 1 216. At this time, the laser radar 12 and the tripod bracket 21 are no longer limited, and the user can perform targeted maintenance on the laser radar 12.

[0043] In summary, the operation of the anti-fall component can produce the following beneficial effects: During the use of the existing laser radar 12, the high-frequency vibration of the ship unloader causes the bolts to loosen, and the marine climate corrodes the metal parts, resulting in a decrease in the connection strength between the laser radar 12 and the tripod bracket 21. By operating the anti-fall component, the connection between the laser radar 12 and the tripod bracket 21 is monitored in real time, covering all possible loosening scenarios. An electrical signal is sent in the early stage of loosening to promptly notify the staff to conduct inspection and maintenance.

[0044] At the same time, the anti-fall component immediately protects the laser radar 12 and the tripod bracket 21 in the initial stage of loosening to prevent falling accidents, effectively prevent the laser radar 12 and the anti-fall component from falling due to loose or broken connections, and avoid damage to personnel and equipment. At the same time, the anti-fall component actively starts to protect rather than passively waiting for falling, forming a closed loop of monitoring, early warning, and protection, thereby fundamentally avoiding the risk of the laser radar 12 and the tripod bracket 21 falling from a high altitude, and can immediately start protection in the initial stage of risk discovery, effectively curbing the spread of chain reactions caused by loosening, and preventing small problems from developing into major accidents.

[0045] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0046] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A laser radar anti-fall device, characterized by: The invention comprises an anti-falling assembly for preventing a laser radar (12) from falling from a ship unloader beam (11), the anti-falling assembly comprising a triangular bracket (21), the triangular bracket (21) being fixedly connected to the side of the ship unloader beam (11), the bottom of the triangular bracket (21) being fixedly connected to a cage bracket (22), the bottom surface of the triangular bracket (21) being fixedly connected to a mounting platform (23), the bottom of the mounting platform (23) being fixedly connected to a plurality of L-shaped plates (25), the laser radar (12) being fixedly connected to the bottom of the mounting platform (23) through the L-shaped plates (25), the laser radar (12) being fixedly connected to the L-shaped plates (25), and a thin film pressure sensor being provided at the connection between the two, and the ship unloader beam. (11) A U-shaped plate (24) is fixedly connected to the bottom, the cage bracket (22) is fixedly connected to the U-shaped plate (24) and a thin film pressure sensor is provided at the connection between the two. The outer surface of the bottom of the cage bracket (22) is fixedly connected to multiple groups of support rods (26) in a circular array, two support rods (26) form a group, and a flip claw (27) is rotatably connected between the two support rods (26) of each group. The two ends of the flip claw (27) pass through the support rod (26), and the two ends of the flip claw (27) pass through the support rod (26) and are fixedly sleeved with a sleeve (28). A spring (29) is provided inside the sleeve (28), and multiple loops of elastic rope (210) are fixedly connected to the flip claw (27).

2. A laser radar anti-falling device according to claim 1, characterized in that: The top of the ship unloader beam (11) is fixedly connected to an electric telescopic rod (211), the telescopic shaft of the electric telescopic rod (211) is fixedly connected to an L-shaped connecting rod (212), one end of the L-shaped connecting rod (212) away from the electric telescopic rod (211) is fixedly connected to a connecting plate (213), the bottom surface of the ship unloader beam (11) is fixedly connected to a guide rod (214), the guide rod (214) is slidably connected to the connecting plate (213), one end of the connecting plate (213) away from the L-shaped connecting rod (212) is fixedly connected to a semi-annular plate (215), the semi-annular plate (215) is squeezed and adapted to the flip claw (27), and the ship unloader is operated. A first shifting groove (216) is provided on the machine beam (11), a shifting block (217) is slidably connected inside the first shifting groove (216), an L-shaped poking rod (219) is fixedly connected to the telescopic shaft of the electric telescopic rod (211), the L-shaped poking rod (219) is extruded and adapted to the shifting block (217), a plurality of second springs (220) are provided inside the first shifting groove (216), a second shifting groove (221) is provided on the shifting block (217), a clamping block (222) is slidably connected inside the second shifting groove (221), and a plurality of third springs (223) are connected between the bottom surface of the clamping block (222) and the bottom surface of the second shifting groove (221).

3. The laser radar anti-falling device according to claim 2, characterized in that: The triangular bracket (21) is fixedly connected to the ship unloader beam (11) by bolts. The cage bracket (22) includes two annular bodies arranged from top to bottom. The diameter of the lower annular body is smaller than the diameter of the upper annular body. The upper annular body is connected to the U-shaped plate (24). The upper and lower annular bodies of the cage bracket (22) are connected by multiple connecting rods.

4. The laser radar anti-falling device according to claim 3, characterized in that: An opening is provided on a side of the cage bracket (22) away from the ship unloader beam (11), the head and tail ends of the elastic rope (210) are detachably connected, and the head and tail connected parts of the elastic rope (210) are located at the opening of the cage bracket (22).

5. The laser radar anti-falling device according to claim 1, characterized in that: The bottom end of the flip claw (27) is bent, and the spring (29) is a torsion spring. The two ends of the spring (29) are respectively fixedly connected to the inner surface of the envelope (28) and the support rod (26), and the envelope (28) and the support rod (26) are tightly fitted.

6. The laser radar anti-falling device according to claim 2, characterized in that: A protective shell (224) is fixedly connected to the top of the ship unloader beam (11), and the protective shell (224) covers the electric telescopic rod (211), the L-shaped connecting rod (212), and the L-shaped poking rod (219) inside.

7. The laser radar anti-falling device according to claim 2, characterized in that: An inclined groove (218) is provided on the shift block (217), and an end of the L-shaped poking rod (219) away from the electric telescopic rod (211) extends downward, and an end of the L-shaped poking rod (219) away from the electric telescopic rod (211) extends into the inclined groove (218), the bottom end of the L-shaped poking rod (219) is set as an inclined surface, and the bottom groove wall of the inclined groove (218) is set as an inclined surface, and the inclined surface of the L-shaped poking rod (219) is squeezed and adapted to the inclined surface of the inclined groove (218).

8. The laser radar anti-falling device according to claim 2, characterized in that: The two ends of spring 2 (220) are respectively fixedly connected to the shift block (217) and the groove wall of shift groove 1 (216), and the two ends of spring 3 (223) are respectively fixedly connected to the bottom surface of the clamping block (222) and the bottom groove wall of shift groove 2 (221).

9. The laser radar anti-falling device according to claim 2, characterized in that: The triangular bracket (21) includes a rectangular frame, a flat plate and two tripods. The rectangular frame is composed of two horizontal arms and two vertical arms, and the middle part is a rectangular hollow. The rectangular frame is installed and fixed on the side of the ship unloader beam (11). The flat plate is fixed on the bottom horizontal arm of the rectangular frame. The two tripods are connected to the opposite ends of the flat plate and connected to the rectangular frame. The top of the shifting groove (216) is flush with the lower surface of the top horizontal arm of the triangular bracket (21).

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