Near-bottom warning equipment of manned device

Abstract

The utility model relates to the technical field of manned devices, and discloses a near-bottom warning device of a manned device, which comprises a manned device main body, a distance measuring sensor is fixedly arranged at the top of an inner cavity of the manned device main body close to the middle position, and when a pressing plate is in contact with the ground, the distance measuring sensor is connected with the manned device main body. The air guide pipe is extruded to convey air into an inner cavity of the cleaning air ring through the air guide pipe, so that the bottom surface of the lens can be cleaned, the situation that dust is accumulated on the bottom surface of the lens, an operator cannot see the dust clearly, and then safety accidents are caused is avoided, and the use safety of the device is improved; through a threaded rod fixed at the shaft end of a power output shaft of a servo motor, a threaded sleeve which is in threaded connection with the periphery of the threaded rod can move towards an opposite side, and a plugging plate can move towards the opposite side under the connection of adjacent n-shaped rods, so that the lens can be protected when the lens is not used; accidental damage can be avoided, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of manned devices, in particular to a bottom near warning device for manned devices. Background Art

[0002] A vertical shaft is a well-shaped pipe with an upright cave wall. When workers are working in the vertical shaft, they need to be transported up and down by a manned transport cage. When the manned cage descends and approaches the bottom of the vertical shaft pipe, an alarm needs to be issued to improve safety of use.

[0003] When the existing manned device is in use, the near-bottom warning device can warn when the manned device is close to the bottom by cooperating with a camera and external equipment. However, when the camera is used for a long time, dust is easily accumulated on the surface of the lens, which makes it easy for the operator to see unclearly and unable to operate the manned device in time, reducing the safety of the device.

[0004] Therefore, we propose a near-bottom warning device for a manned device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a bottom warning device for a manned device to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a near-bottom warning device for a manned device, comprising a manned device body, a distance measuring sensor is fixedly installed near the middle position of the inner cavity top of the manned device body, a protective tube is fixedly installed at the middle position of the bottom of the manned device body, a lens is fixedly installed at the inner cavity top of the protective tube, a cleaning component is arranged at the bottom of the lens, a protective component is arranged at the bottom of the manned device body, and a distance measuring sensor and a controller are respectively arranged near both sides of the bottom of the protective component;

[0007] The cleaning assembly includes an air bag located at one side of the bottom of the manned device body and an air duct plugged into the rear side of the air bag near the bottom, an exhaust one-way valve is sleeved on the outer periphery of the air duct near the front end, the front end of the air duct passes through the rear side of the inner cavity of the protective tube and is fixedly installed with a cleaning air ring, and the cleaning air ring is located at the bottom of the lens, an air intake pipe is plugged into the front side of the air bag near the middle position, and an air intake one-way valve is arranged on the outer periphery of the air intake pipe.

[0008] Preferably, the distance measuring sensor is electrically connected to the controller, and the controller is electrically connected to the warning light.

[0009] Preferably, the protective assembly includes a servo motor fixedly installed on the bottom of the manned device body near the rear side and a rectangular plate fixedly installed on the end of the servo motor power output shaft. A rectangular plate is installed on the bottom of the manned device body near one side, and the front end of the threaded rod movably penetrates the adjacent rectangular plate and is rotatably connected to the rear side away from the threaded rod. The outer periphery of the threaded rod is threadedly connected with a threaded sleeve near the front and rear ends, and a sealing plate is provided on the other side of the threaded sleeve. The bottom of the sealing plate is arranged to fit together with the bottom of the protective tube, and the ranging sensor and the controller are respectively fixedly connected to the adjacent sealing plates.

[0010] Preferably, a limit block is fixedly installed on one side of the threaded sleeve, and the opposite side of the limit block movably penetrates the limit rod, and the front and rear ends of the limit rod are respectively fixedly connected to the rectangular plate, and an n-shaped rod is fixedly installed on the top of the threaded sleeve, and the bottom end of the n-shaped rod is fixedly connected to the sealing plate.

[0011] Preferably, opposite external threads are provided on the outer circumference of the threaded rod near the front and rear ends.

[0012] Preferably, a U-shaped plate is fixedly installed on the bottom of the main body of the manned device near both sides, a plurality of dampers are fixedly installed on the bottom of the inner cavity of the U-shaped plate, a pressure plate is fixedly installed on the top of the dampers, damping springs are movably sleeved on the outer periphery of the dampers, and the top and bottom ends of the damping springs are fixedly connected to the bottom of the inner cavity of the U-shaped plate and the pressure plate respectively, and the airbag is fixedly connected to the bottom of the inner cavity of the adjacent U-shaped plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the pressure plate contacts the ground, the air duct is squeezed and can transport gas to the inner cavity of the cleaning air ring through the air duct, so as to clean the bottom surface of the lens, avoid dust accumulation on the bottom surface of the lens, causing the operator to be unable to see clearly, thereby causing safety accidents, and improving the safety of the device.

[0015] 2. When the power output shaft of the servo motor rotates, the threaded sleeve threadedly connected to the outer periphery of the threaded rod can be moved to the opposite side by fixing the threaded rod at the end of the power output shaft of the servo motor. The sealing plate can be moved to the opposite side under the connection of the adjacent n-shaped rods, so that the lens can be protected when not in use, thereby avoiding accidental damage and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 It is a partial bottom-up three-dimensional structural schematic diagram of the utility model;

[0019] Figure 4 It is a partial upward exploded view of the utility model;

[0020] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle.

[0021] In the figure: 1. Manned device body; 11. U-shaped plate; 12. Damper; 13. Damping spring; 14. Pressure plate; 2. Protective tube; 3. Lens; 4. Protective assembly; 41. Servo motor; 42. Rectangular plate; 43. Threaded rod; 44. Threaded sleeve; 441. Limit block; 442. Limit rod; 443. N-shaped rod; 45. Blocking plate; 5. Cleaning assembly; 51. Airbag; 52. Air guide tube; 53. Cleaning air ring; 54. Intake pipe; 6. Warning light; 7. Distance sensor; 8. Controller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figure 1-5 A near-bottom warning device for a manned device comprises a manned device body 1, a distance sensor 7 is fixedly installed near the middle position of the inner cavity top of the manned device body 1, the distance sensor 7 is electrically connected to a controller 8, and the controller 8 is electrically connected to an alarm light 6, a protective tube 2 is fixedly installed at the middle position of the bottom of the manned device body 1, a lens 3 is fixedly installed at the inner cavity top of the protective tube 2, a cleaning component 5 is arranged at the bottom of the lens 3, a protective component 4 is arranged at the bottom of the manned device body 1, and a distance sensor 7 and a controller 8 are respectively arranged near both sides of the bottom of the protective component 4;

[0024] The cleaning assembly 5 includes an air bag 51 located at one side of the bottom of the manned device body 1 and an air guide tube 52 inserted at the rear side of the air bag 51 near the bottom. An exhaust one-way valve is sleeved on the outer periphery of the air guide tube 52 near the front end. The front end of the air guide tube 52 passes through the rear side of the inner cavity of the protective tube 2 and is fixedly installed with a cleaning air ring 53, and the cleaning air ring 53 is located at the bottom of the lens 3. An air intake pipe 54 is inserted at the front side of the air bag 51 near the middle position, and an air intake one-way valve is arranged on the outer periphery of the air intake pipe 54. When the pressure plate 14 contacts the ground, the air guide tube 52 is squeezed and can transport gas to the inner cavity of the cleaning air ring 53 through the air guide tube 52, so that the bottom surface of the lens 3 can be cleaned to avoid dust accumulation on the bottom surface of the lens 3 that makes it difficult for the operator to see clearly, thereby causing a safety accident, thereby improving the safety of the device.

[0025] A U-shaped plate 11 is fixedly installed at the bottom of the manned device body 1 near both sides, and a plurality of dampers 12 are fixedly installed at the bottom of the inner cavity of the U-shaped plate 11, and a pressure plate 14 is fixedly installed at the top of the damper 12. A damping spring 13 is movably sleeved on the outer periphery of the damper 12, and the top and bottom ends of the damping spring 13 are fixedly connected to the bottom of the inner cavity of the U-shaped plate 11 and the pressure plate 14 respectively, and the airbag 51 is fixedly connected to the bottom of the inner cavity of the adjacent U-shaped plate 11. By arranging the damper 12 and the damping spring 13, the manned device body 1 can be buffered to avoid hard collision at the bottom.

[0026] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 3 , Figure 4 and Figure 5 The protection component 4 includes a servo motor 41 fixedly installed at the bottom of the manned device body 1 near the rear side and a rectangular plate 42 fixedly installed at the end of the power output shaft of the servo motor 41. A rectangular plate 42 is installed near one side of the bottom of the manned device body 1, and the front end of the threaded rod 43 movably penetrates the adjacent rectangular plate 42 and is rotatably connected to the rear side away from the threaded rod 43. The outer periphery of the threaded rod 43 is threadedly connected with a threaded sleeve 44 near the front and rear ends, and a blocking plate 45 is arranged on the other side of the threaded sleeve 44. The bottom of the blocking plate 45 is The ranging sensor 7 and the controller 8 are respectively fixedly connected to the adjacent blocking plate 45 and are fitted together with the bottom of the protective tube 2. When the power output shaft of the servo motor 41 rotates, the threaded sleeve 44 threadedly connected to the outer periphery of the threaded rod 43 can be moved to the opposite side by means of the threaded rod 43 fixed to the shaft end of the power output shaft of the servo motor 41. The blocking plate 45 can be moved to the opposite side under the connection of the adjacent n-shaped rod 443, thereby protecting the lens 3 when not in use, avoiding accidental damage and extending its service life.

[0027] A limiting block 441 is fixedly installed on one side of the threaded sleeve 44, and the opposite side of the limiting block 441 moves together and penetrates the limiting rod 442, and the front and rear ends of the limiting rod 442 are fixedly connected to the rectangular plate 42 respectively, and an n-shaped rod 443 is fixedly installed on the top of the threaded sleeve 44, and the bottom end of the n-shaped rod 443 is fixedly connected to the blocking plate 45. Opposite external threads are provided on the outer periphery of the threaded rod 43 near the front and rear ends. When the threaded sleeve 44 moves, the limiting block 441 and the limiting rod 442 can be used to limit the movement of the threaded sleeve 44.

[0028] Working principle: When the utility model is in use, when the manned device body 1 moves downward, when it moves to a certain position, the distance sensor 7 controls the alarm light 6 through the controller 8 to work to alert the staff, and the personnel on the ground can see the distance between the bottom of the manned device body 1 and the ground through the lens 3. The operator can control the manned device body 1 to slow down. When the bottom of the pressure plate 14 contacts the ground, the air bag 51 can be squeezed, and the gas can be transported to the inner cavity of the cleaning air ring 53 through the air guide 52, so that the bottom surface of the lens 3 can be cleaned to avoid dust accumulation on the bottom surface of the lens 3. The operator cannot see clearly, which may cause a safety accident. The safety of the device is improved. When the lens 3 is not in use, the power output shaft of the servo motor 41 can be rotated. By fixing the threaded rod 43 at the end of the power output shaft of the servo motor 41, the threaded sleeve 44 threadedly connected to the outer periphery of the threaded rod 43 can be moved to the opposite side. The outer periphery of the threaded rod 43 is provided with opposite external threads. Under the connection of the adjacent n-shaped rods 443, the blocking plate 45 can be moved to the opposite side, so that the lens 3 can be protected when not in use, thereby avoiding accidental damage and extending its service life.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A near-bottom warning device for a manned device, comprising a manned device body (1), characterized in that: A distance measuring sensor (7) is fixedly mounted near the middle position of the inner cavity top of the manned device body (1); a protective tube (2) is fixedly mounted at the middle position of the bottom of the manned device body (1); a lens (3) is fixedly mounted at the inner cavity top of the protective tube (2); a cleaning component (5) is arranged at the bottom of the lens (3); a protection component (4) is arranged at the bottom of the manned device body (1); and a distance measuring sensor (7) and a controller (8) are respectively arranged near the two sides of the bottom of the protection component (4); The cleaning assembly (5) comprises an air bag (51) located at one side of the bottom of the manned device body (1) and an air guide tube (52) plugged into the rear side of the air bag (51) near the bottom, an exhaust check valve is sleeved on the outer periphery of the air guide tube (52) near the front end, the front end of the air guide tube (52) passes through the rear side of the inner cavity of the protective tube (2) and is fixedly mounted with a cleaning air ring (53), and the cleaning air ring (53) is located at the bottom of the lens (3), an air intake pipe (54) is plugged into the front side of the air bag (51) near the middle position, and an air intake check valve is arranged on the outer periphery of the air intake pipe (54).

2. The bottom near warning device of a manned device according to claim 1, characterized in that: The distance measuring sensor (7) is electrically connected to the controller (8), and the controller (8) is electrically connected to the warning light (6).

3. The bottom near warning device of a manned device according to claim 1, characterized in that: The protection assembly (4) comprises a servo motor (41) fixedly mounted on the bottom of the manned device body (1) near the rear side and a rectangular plate (42) fixedly mounted on the end of the power output shaft of the servo motor (41); the rectangular plate (42) is mounted on the bottom of the manned device body (1) near one side, and the front end of the threaded rod (43) movably penetrates the adjacent rectangular plate (42) and is rotatably connected to the rear side away from the threaded rod (43); the outer periphery of the threaded rod (43) near the front and rear ends is threadedly connected with a threaded sleeve (44); the other side of the threaded sleeve (44) is provided with a blocking plate (45); the bottom of the blocking plate (45) is arranged to fit the bottom of the protection tube (2); and the distance measuring sensor (7) and the controller (8) are respectively fixedly connected to the adjacent blocking plates (45).

4. The bottom near warning device of a manned device according to claim 3, characterized in that: A limiting block (441) is fixedly mounted on one side of the threaded sleeve (44), and a side opposite to the limiting block (441) is movably connected to and penetrates a limiting rod (442), and front and rear ends of the limiting rod (442) are respectively fixedly connected to the rectangular plate (42), and an n-shaped rod (443) is fixedly mounted on the top of the threaded sleeve (44), and the bottom end of the n-shaped rod (443) is fixedly connected to the blocking plate (45).

5. The bottom near warning device of a manned device according to claim 3, characterized in that: The outer circumference of the threaded rod (43) is provided with opposite external threads near the front and rear ends.

6. The bottom near warning device of a manned device according to claim 1, characterized in that: A U-shaped plate (11) is fixedly mounted on both sides of the bottom of the passenger-carrying device body (1), a plurality of dampers (12) are fixedly mounted on the bottom of the inner cavity of the U-shaped plate (11), a pressure plate (14) is fixedly mounted on the top of each damper (12), a damping spring (13) is movably sleeved on the outer periphery of each damper (12), and the top and bottom ends of the damping spring (13) are fixedly connected to the bottom of the inner cavity of the U-shaped plate (11) and the pressure plate (14), respectively, and the airbag (51) is fixedly connected to the bottom of the inner cavity of an adjacent U-shaped plate (11).

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