CN117434520B

CN117434520B - Unmanned safety device

Info

Publication number: CN117434520B
Application number: CN202311725723.3A
Authority: CN
Inventors: 单萍; 马琼琼; 沈亮; 马列
Original assignee: Jiangsu Tianyi Aviation Industry Co Ltd
Current assignee: Jiangsu Tianyi Aviation Industry Co Ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-03-08
Anticipated expiration: 2043-12-15
Also published as: CN117434520A

Abstract

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned safety protection device, which comprises a supporting part, a first ring, a second ring and a third ring, wherein the supporting part comprises a laser radar, a scanning area arranged on the laser radar, and the first ring is arranged on the laser radar; the device comprises a replacement part, a control part and a control part, wherein the replacement part comprises a transmission assembly arranged on the laser radar, a guide assembly arranged on the transmission assembly, a replacement assembly arranged on the guide assembly, an elastic assembly arranged on the transmission assembly and an alarm assembly arranged on the transmission assembly; the device can protect a laser radar scanning area, can automatically replace a protection sheet and can give an alarm before all the protection sheets are damaged.

Description

Unmanned safety device

Technical Field

The invention relates to the technical field of unmanned operation, in particular to an unmanned safety protection device.

Background

In unmanned express delivery car or transport vechicle, there are a lot of protector to guarantee the safety of vehicle form, there is laser radar in the common device, and the characteristic quantity such as position, speed of target are surveyed through scanning district transmission laser beam when using to reach and detect, track and discern the target.

In the use, common laser radar generally sets up at the car top, when using, because laser radar's scanning area exposes outside, when strong wind weather, the circumstances that tiny sand and stone was beaten to the scanning area can not appear rolling up, causes the scratch or the damage in scanning area, and then influences laser radar detection's accuracy.

Disclosure of Invention

The invention is provided in view of the problem that the accuracy of laser radar detection is affected by the fact that the scanning area of the laser radar is exposed outside and is easily scratched or damaged in windy weather.

It is therefore an object of the present invention to provide an unmanned safety device.

In order to solve the technical problems, the invention provides the following technical scheme: the device comprises a supporting component, a first supporting component and a second supporting component, wherein the supporting component comprises a laser radar, a scanning area arranged on the laser radar and a first circular ring arranged on the laser radar; the device comprises a replacement part, a control part and a control part, wherein the replacement part comprises a transmission assembly arranged on the laser radar, a guide assembly arranged on the transmission assembly, a replacement assembly arranged on the guide assembly, an elastic assembly arranged on the transmission assembly and an alarm assembly arranged on the transmission assembly; the shifting component comprises a unidirectional component arranged on the laser radar, a resetting component arranged on the unidirectional component, a sliding component arranged on the resetting component and a pushing component arranged on the sliding component.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the transmission assembly comprises a miniature motor fixedly connected to the upper end face of the laser radar, an installation disc is fixedly connected to an output shaft of the miniature motor, five installation openings are formed in the installation disc, and a vertical plate is fixedly connected to the installation openings.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the guide assembly comprises a vertical groove arranged on a vertical plate, a lifting block is connected in the vertical groove in a sliding mode, a guide rod is fixedly connected to the lifting block, an arc-shaped opening is formed in a first circular ring, a first inclined opening is formed in the arc-shaped opening, a transverse opening is communicated with the first inclined opening, an arc-shaped bayonet is formed in the transverse opening, a second inclined opening is formed in the right end of the transverse opening, and a top cover is connected to the mounting plate in a rotating mode and fixedly connected with the upper end face of the first circular ring.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the replacement assembly comprises a mounting groove arranged on the guide rod, a plurality of stop plates are arranged in the mounting groove, a protection sheet is fixedly connected to the outer end of the guide rod, a bearing column is fixedly connected to the protection sheet, a plurality of elastic sheets are fixedly connected to the bearing column, and the elastic sheets are in clearance fit with the adjacent two stop plates.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the elastic component is including setting up the anticreep groove on the mounting groove inner wall, sliding connection has the anticreep piece with lifting block fixed connection in the anticreep groove, the anticreep piece passes through the inner wall elastic connection of first spring and mounting groove.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the alarm assembly comprises an annular groove arranged on the laser radar, a second annular ring is rotationally connected in the annular groove, an anode trigger piece is arranged on the second annular ring, a cathode trigger piece matched with the anode trigger piece is fixedly connected on the vertical plate at the front end, and an alarm is fixedly connected on the laser radar.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the unidirectional component comprises a plurality of first pawls fixedly connected to the side wall of the second circular ring, a containing groove is formed in the side wall of the annular groove in a communicated mode, a sliding plate is connected in the containing groove in a sliding mode, and a plurality of second pawls matched with the first pawls are arranged on the sliding plate.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the reset assembly comprises a plurality of limit grooves arranged on the sliding plate, a plurality of limit grooves are all rotationally connected with a rotating shaft, a torsion spring is arranged on the rotating shaft, and the second pawl is fixedly connected with the rotating shaft.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the sliding component comprises an extension plate fixedly connected to the left end and the right end of the sliding plate, and the extension plate at the left end is elastically connected with the inner wall of the accommodating groove through a second spring.

As a preferred embodiment of the unmanned safety device of the present invention, wherein: the pushing assembly comprises a notch arranged on the sliding plate, a thread groove is formed in the top cover, a thread sleeve is connected to the thread groove in a threaded mode, a third circular ring is fixedly connected to the thread sleeve, a through hole is formed in the third circular ring, the through hole extends to the laser radar, an internal thread is arranged in the through hole, and a thread inserted rod is arranged on the through hole.

The unmanned safety protection device has the beneficial effects that: through setting up the guard sheet, can set up the one deck protection in the scanning district front end, avoid laser radar's scanning district directly to expose outside, avoid being scraped flowers or break by the sand and stone, simultaneously, here guard sheet is when damaging, can also change automatically, and before the guard sheet will all damage, automatically send out the alarm, in time carry out the change of guard sheet, thereby solved because laser radar's scanning district exposes outside, when the windy weather, cause the scraping flowers or the damage in scanning district easily, influence the problem of laser radar detection's accuracy, the protection to laser radar scanning district has been reached, and can automatic change the effect of guard sheet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an overall schematic view of an unmanned safety shield apparatus.

Fig. 2 is a schematic view of the internal structure of a first ring of the unmanned safety device.

Fig. 3 is a schematic view of the outer structure of a first ring of the unmanned safety device.

Fig. 4 is an exploded view of the exterior structure of the spring assembly of the unmanned safety shield apparatus.

Fig. 5 is an exploded view of an alternate assembly exterior structure of the unmanned safety shield apparatus.

Fig. 6 is a schematic view of the exterior structure of the transmission assembly of the unmanned safety device.

Fig. 7 is a schematic diagram of the exterior structure of the alarm assembly of the unmanned safety shield apparatus.

Fig. 8 is a schematic view of the exterior configuration of a unidirectional assembly of the unmanned safety shield apparatus.

Fig. 9 is a schematic view of the exterior configuration of the glide assembly of the unmanned safety apparatus.

Fig. 10 is a schematic external structural view of a reset assembly of the unmanned safety shield apparatus.

Fig. 11 is an exploded view of the push assembly of the unmanned safety shield apparatus.

In the figure: 100. a support member; 101. a laser radar; 102. a scanning area; 103. a first ring; 200. replacing the component; 201. a transmission assembly; 201a, a miniature motor; 201b, mounting plate; 201c, a mounting port; 201d, risers; 202. a guide assembly; 202a, vertical slots; 202b, lifting blocks; 202c, a guide rod; 202d, an arc-shaped opening; 202e, a first bevel; 202f, a transverse opening; 202g, arc bayonet; 202h, a second bevel connection; 202i, top cover; 203. replacing the component; 203a, mounting slots; 203b, a stop plate; 203c, a protective sheet; 203d, carrying columns; 203e, a spring plate; 204. an elastic component; 204a, an anti-drop groove; 204b, an anti-falling block; 204c, a first spring; 205. an alarm assembly; 205a, annular groove; 205b, a second ring; 205c, an anode trigger piece; 205d, a negative electrode trigger piece; 205e, an alarm; 300. a displacement member; 301. a unidirectional component; 301a, a first pawl; 301b, a receiving groove; 301c, a skateboard; 301d, a second pawl; 302. a reset assembly; 302a, a limit groove; 302b, a rotating shaft; 302c, torsion springs; 303. a slip assembly; 303a, extension plates; 303b, a second spring; 304. a pushing assembly; 304a, incisions; 304b, thread grooves; 304c, a threaded sleeve; 304d, a third ring; 304e, a through opening; 304f, threaded insert.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 7, in a first embodiment of the present invention, an unmanned safety device is provided, which can automatically perform protection of a scanning area 102 of a laser radar 101 and automatically perform replacement of a protection piece 203c, and includes a supporting member 100 including the laser radar 101, the scanning area 102 disposed on the laser radar 101, and a first ring 103 disposed on the laser radar 101; the replacement component 200 comprises a transmission component 201 arranged on the laser radar 101, a guide component 202 arranged on the transmission component 201, a replacement component 203 arranged on the guide component 202, an elastic component 204 arranged on the transmission component 201 and an alarm component 205 arranged on the transmission component 201; the displacement component 300 comprises a unidirectional component 301 arranged on the laser radar 101, a reset component 302 arranged on the unidirectional component 301, a sliding component 303 arranged on the reset component 302, and a pushing component 304 arranged on the sliding component 303.

Specifically, the laser radar 101 is generally disposed at the top of the vehicle body and is inclined towards the front of the vehicle, the vehicle body can be a delivery vehicle in the express delivery industry, or can be a plurality of vehicle types such as a household car and a transport vehicle, the application range is wide, and the laser radar 101 belongs to the prior art and is not described herein.

Further, the transmission assembly 201 comprises a micro motor 201a fixedly connected to the upper end surface of the laser radar 101, a mounting plate 201b is fixedly connected to an output shaft of the micro motor 201a, five mounting ports 201c are formed in the mounting plate 201b, and a vertical plate 201d is fixedly connected to the five mounting ports 201 c; the guide assembly 202 comprises a vertical groove 202a arranged on a vertical plate 201d, a lifting block 202b is slidably connected in the vertical groove 202a, a guide rod 202c is fixedly connected to the lifting block 202b, an arc-shaped opening 202d is formed in the first circular ring 103, a first inclined opening 202e is formed in the arc-shaped opening 202d, a transverse opening 202f is communicated with the first inclined opening 202e, an arc-shaped bayonet 202g is formed in the transverse opening 202f, a second inclined opening 202h is formed in the right end of the transverse opening 202f, a top cover 202i is rotatably connected to the mounting plate 201b, and the top cover 202i is fixedly connected with the upper end face of the first circular ring 103.

Wherein, here top cap 202 i's diameter is greater than laser radar 101's diameter, micro motor 201 a's output shaft has the self-locking function to when micro motor 201a output shaft does not rotate, the phenomenon that the output shaft is from rotating can not take place, guarantee protection piece 203 c's stability, here first bevel connection 202e and second bevel connection 202h symmetry set up, arc bayonet socket 202g cooperatees with guide bar 202c, here top cap 202i is connected with in the rotation on the mounting disc 201b, can prevent that the upper and lower end of first ring 103 from taking place to separate, influence guide bar 202 c's slip.

Preferably, the replacing assembly 203 comprises a mounting groove 203a arranged on a guide rod 202c, a plurality of stop plates 203b are arranged in the mounting groove 203a, a protecting piece 203c is fixedly connected to the outer end of the guide rod 202c, a bearing column 203d is fixedly connected to the protecting piece 203c, a plurality of elastic pieces 203e are fixedly connected to the bearing column 203d, and the plurality of elastic pieces 203e are in clearance fit with the adjacent two stop plates 203 b; the elastic component 204 includes an anti-drop groove 204a disposed on an inner wall of the installation groove 203a, an anti-drop block 204b fixedly connected with the lifting block 202b is slidably connected in the anti-drop groove 204a, and the anti-drop block 204b is elastically connected with the inner wall of the installation groove 203a through a first spring 204 c.

It should be noted that, the plurality of stop plates 203b are disposed along the inner wall of the mounting groove 203a, and after the plurality of elastic pieces 203e enter the mounting groove 203a, the limit between the guide rod 202c and the bearing post 203d can be realized, and the limit manner of the elastic pieces 203e is convenient when the guide rod is detached, so as to replace the protective piece 203c, and the guide rod 202c is disposed at the upper end of the protective piece 203c, and the height of the protective piece 203c is greater than the scanning area 102, so that the guide rod 202c does not affect the scanning of the scanning area 102, and the normal use of the laser radar 101 is ensured.

When in use, the protective sheet 203C is blocked in front of the scanning area 102, the protective sheet 203C can allow laser of the laser radar 101 to pass through, the use of the laser radar 101 is not affected, the prior art is omitted, the protective sheet 203C is blocked, the scanning area 102 cannot be collided by broken stones or foreign matters, damage to the scanning area 102 on the laser radar 101 is avoided, the usability of the laser radar 101 is ensured, after the protective sheet 203C is crashed, a larger deviation is generated in scanning, the protective sheet 203C needs to be replaced, only the output shaft of the micro motor 201a is required to rotate anticlockwise (the same as the output shaft is when the micro motor 201a is overlooked), the mounting disc 201B is driven to rotate, the plurality of vertical plates 201D are driven to rotate, the plurality of lifting blocks 202B rotate, the guide rods 202C rotate, and the protective sheet 203C are driven to rotate, thereby rotating the A shield 203C (here, for convenience of description, the shield 203C in front is named as A shield 203C, the other four shields 203C in the anticlockwise direction of the A shield 203C are respectively B shield 203C, C shield 203C, D shield 203C, E shield 203C, and the same applies below) to the position of the B shield 203C, in this process, the guide bar 202C can be driven to move, the guide bar 202C is first in the arc bayonet 202g, then enters the transverse port 202f, finally enters the second inclined port 202h, when the guide bar 202C enters the second inclined port 202h, due to the arrangement of the first spring 204C, the lifting block 202B is lifted, the guide bar 202C is lifted, so that the guide bar 202C can enter the arc port 202D, and the original E shield 203C replaces the original A shield 203C, the corresponding vertical plate 201D of the A shield 203C replaces the vertical plate 201D of the original E shield 203C, in this process, the guide rod 202c on the E protection sheet 203c firstly enters the first bevel 202E from the arc opening 202d, at this time, the lifting block 202b descends, the first spring 204c compresses, and when the lifting block 202b descends, the anti-falling block 204b is matched with the anti-falling groove 204a, so that the lifting block 202b can be prevented from being separated from the vertical groove 202a, after the guide rod 202c enters the transverse opening 202f from the first bevel 202E, at this time, the E protection sheet 203c is blocked at the outer side of the scanning area 102, when the center of the E protection sheet 203c is right opposite to the scanning area 102, the guide rod 202c moves into the arc bayonet 202g, so that the guide rod 202c is not easy to move left and right, the stability of the protection sheet 203c is ensured, and the replacement of the protection sheet 203c is completed.

In summary, the protection of the scanning area 102 of the laser radar 101 can be performed by blocking the protection sheet 203c in front of the scanning area 102, and the positions of the plurality of protection sheets 203c can be replaced, so that when the protection sheet 203c is damaged, the replacement of the protection sheet 203c can be automatically performed, and the influence of the damage of the protection sheet 203c on the scanning accuracy of the laser radar 101 is avoided.

Example 2

Referring to fig. 7 to 8, in a second embodiment of the present invention, unlike the previous embodiment, the present embodiment provides an alarm assembly 205 of an unmanned safety protection device, which solves the problem of how to automatically alarm before all of a plurality of protection plates 203c are damaged, and includes an annular groove 205a disposed on a laser radar 101, a second annular ring 205b is rotationally connected to the annular groove 205a, a positive trigger plate 205c is disposed on the second annular ring 205b, a negative trigger plate 205d matched with the positive trigger plate 205c is fixedly connected to a front vertical plate 201d, and an alarm 205e is fixedly connected to the laser radar 101, wherein the positive trigger plate 205c and the negative trigger plate 205d are electrically connected to the alarm 205e, which is not repeated in this prior art.

When in use, the phenomenon that a plurality of protective sheets 203c are replaced can occur when the protective sheets 203c are replaced every time, after four times of replacement, the protective sheets 203c come to the position of the protective sheets 203c, and only the protective sheets 203c are in good condition at the moment, the positive trigger piece 205c on the protective sheets 203c is attached to the negative trigger piece 205d, so that the alarm 205E is electrified, an alarm is given, so that a worker can replace the protective sheets 203c, and when in replacement, the protective sheets 203c can be directly pushed and pulled for replacement due to the arrangement of the elastic sheets 203E, so that the replacement of the protective sheets 203c is more convenient.

In summary, when the protection sheet 203c is damaged, only the last protection sheet 203c is left for use, the alarm 205e can automatically alarm, so as to remind a worker to replace the protection sheet 203c, thereby avoiding the influence on the scanning effect of the laser radar 101 due to the fact that the damaged protection sheet 203c is replaced to the scanning area 102 in time.

Example 3

Referring to fig. 7 to 11, in a third embodiment of the present invention, unlike the previous embodiment, the present invention provides a displacement assembly of an unmanned safety device, which solves the problem of how to ensure that an alarm assembly always operates normally, the unidirectional assembly 301 includes a plurality of first pawls 301a fixedly connected to a side wall of a second ring 205b, a receiving groove 301b is communicated with a side wall of the ring groove 205a, a sliding plate 301c is slidably connected to the receiving groove 301b, and a plurality of second pawls 301d matched with the first pawls 301a are provided on the sliding plate 301 c; the reset assembly 302 includes a plurality of limiting grooves 302a disposed on the sliding plate 301c, a rotating shaft 302b is rotatably connected in each of the limiting grooves 302a, a torsion spring 302c is disposed on the rotating shaft 302b, and a second pawl 301d is fixedly connected with the rotating shaft 302 b.

Specifically, the inner sidewall at the left end of the limiting groove 302a abuts against the left sidewall of the second pawl 301d, so that the second pawl 301d cannot rotate clockwise, and can only rotate anticlockwise, and the torsion spring 302c is elastic enough to ensure that the second pawl 301d can reset automatically.

Further, the sliding assembly 303 includes an extension plate 303a fixedly connected to the left and right ends of the sliding plate 301c, and the left end extension plate 303a is elastically connected to the inner wall of the receiving groove 301b through a second spring 303 b; the pushing assembly 304 comprises a notch 304a arranged on the sliding plate 301c, a threaded groove 304b is formed in the top cover 202i, a threaded sleeve 304c is connected to the threaded groove 304b in a threaded mode, a third circular ring 304d is fixedly connected to the threaded sleeve 304c, a through hole 304e is formed in the third circular ring 304d, the through hole 304e extends to the laser radar 101, internal threads are formed in the through hole 304e, a threaded insert rod 304f is arranged on the through hole 304e, the width of the extending plate 303a is equal to that of the accommodating groove 301b, therefore optimal translation of the sliding plate 301c is guaranteed, and a cap is fixedly connected to the outer end of the threaded insert rod 304f, so that rotation of the threaded insert rod 304f is achieved.

In use, as there are five guard plates 203c in total and the rotation of the guard plates 203c will alarm, it is ensured that one guard plate 203c is complete, so that the positions of the corresponding risers 201D of the guard plates 203c are different each time an alarm is required, for example, the first alarm a guard plate 203c replaces the position of the E guard plate 203c, but after the rotation of the guard plates 203c, the position of the original D guard plate 203c is reached, at this time, the positive trigger plate 205c needs to be shifted, in the initial position, the second spring 303b compresses, the extension plate 303a abuts against the side wall of the third ring 304D, the threaded insert 304f is in the threaded opening, preventing the rotation of the third ring 304D, ensuring the overall stability, when the first alarm 205E sounds, the threaded insert 304f can be rotated to disengage the threaded opening, then the third ring 304D is rotated to disengage the threaded sleeve 304c from the threaded groove 304b, so that the third ring 304D can be moved downward, when the third ring 304D moves below the shielding plate, the replacement of the protecting piece 203c can be performed, at this time, the second spring 303b bounces, so that the extending plate 303a moves to drive the sliding plate 301c to move rightward, at this time, the plurality of second pawls 301D move rightward, when the second pawls 301D move, since the second pawls 301D cannot rotate clockwise, the first pawls 301a can be pushed to move only counterclockwise, so that the second ring 205b rotates clockwise, so as to drive the positive electrode triggering piece 205c to move to the lower side of the riser 201D corresponding to the first D protecting piece 203c, so that the negative electrode triggering piece 205D on the riser 201D corresponding to the next a protecting piece 203c is attached thereto, so that an alarm can also be given when the next protecting piece 203c is damaged by four, and since the third ring 304D descends, the second ring 205b starts rotating clockwise, the positive trigger piece 205c and the negative trigger piece 205d are separated, so that during replacement, an alarm is not loud, the mood of a worker is not influenced by a loud sound, after the protective piece 203c is replaced, the third ring 304d is enabled to be upward, at the moment, the third ring 304d is matched with the notch 304a, the extension plate 303a drives the sliding plate 301c to the left, at the moment, the second pawl 301d can rotate anticlockwise, so that when the second pawl 301d collides with the first pawl 301a, the first pawl 301a cannot be driven to move, friction is formed between the second ring 205b and the annular groove 205a, and the second ring 205b is prevented from rotating automatically.

To sum up, when carrying out the change of protection piece 203c, can carry out the rotation of second ring 205b automatically for positive trigger piece 205c shifts, so that when the next time need send out the police dispatch newspaper, positive trigger piece 205c can also cooperate with negative trigger piece 205d, guarantees the stability that the police dispatch newspaper sent out.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. An unmanned safety device which is characterized in that: comprising the steps of (a) a step of,

a support member (100) including a laser radar (101), a scanning area (102) provided on the laser radar (101), and a first circular ring (103) provided on the laser radar (101);

the device comprises a replacement part (200), wherein the replacement part comprises a transmission assembly (201) arranged on a laser radar (101), the transmission assembly (201) comprises a miniature motor (201 a) fixedly connected to the upper end face of the laser radar (101), an installation disc (201 b) is fixedly connected to an output shaft of the miniature motor (201 a), five installation openings (201 c) are formed in the installation disc (201 b), and a vertical plate (201 d) is fixedly connected to each of the five installation openings (201 c);

the guide assembly (202) is arranged on the transmission assembly (201), the guide assembly (202) comprises a vertical groove (202 a) arranged on a vertical plate (201 d), a lifting block (202 b) is connected in a sliding manner in the vertical groove (202 a), a guide rod (202 c) is fixedly connected to the lifting block (202 b), an arc-shaped opening (202 d) is formed in the first circular ring (103), a first inclined opening (202 e) is formed in the arc-shaped opening (202 d), a transverse opening (202 f) is communicated with the first inclined opening (202 e), an arc-shaped bayonet (202 g) is formed in the transverse opening (202 f), a second inclined opening (202 h) is formed in the right end of the transverse opening (202 f), and a top cover (202 i) is connected to the mounting plate (201 b) in a rotating manner and fixedly connected with the upper end face of the first circular ring (103);

the replacement assembly (203) is arranged on the guide assembly (202), the replacement assembly (203) comprises a mounting groove (203 a) arranged on a guide rod (202 c), a plurality of stop plates (203 b) are arranged in the mounting groove (203 a), a protective sheet (203 c) is fixedly connected to the outer end of the guide rod (202 c), a bearing column (203 d) is fixedly connected to the protective sheet (203 c), a plurality of elastic sheets (203 e) are fixedly connected to the bearing column (203 d), and the elastic sheets (203 e) are in clearance fit with the adjacent two stop plates (203 b);

an elastic component (204) arranged on the transmission component (201), and an alarm component (205) arranged on the transmission component (201);

the displacement component (300) comprises a unidirectional component (301) arranged on the laser radar (101), a reset component (302) arranged on the unidirectional component (301), a sliding component (303) arranged on the reset component (302) and a pushing component (304) arranged on the sliding component (303).

2. The unmanned safety shield apparatus as recited in claim 1, wherein: the elastic component (204) is including setting up anti-disengaging groove (204 a) on mounting groove (203 a) inner wall, anti-disengaging groove (204 a) sliding connection has anti-disengaging block (204 b) with lifting block (202 b) fixed connection, anti-disengaging block (204 b) is through first spring (204 c) and mounting groove (203 a) inner wall elastic connection.

3. The unmanned safety shield apparatus as recited in claim 2, wherein: the alarm assembly (205) comprises an annular groove (205 a) arranged on the laser radar (101), a second annular ring (205 b) is rotationally connected to the annular groove (205 a), an anode trigger piece (205 c) is arranged on the second annular ring (205 b), a cathode trigger piece (205 d) matched with the anode trigger piece (205 c) is fixedly connected to the vertical plate (201 d) at the front end, and an alarm (205 e) is fixedly connected to the laser radar (101).

4. An unmanned safety shield apparatus as recited in claim 3, wherein: the unidirectional component (301) comprises a plurality of first pawls (301 a) fixedly connected to the side wall of the second circular ring (205 b), an accommodating groove (301 b) is formed in the side wall of the annular groove (205 a) in a communicating mode, a sliding plate (301 c) is connected in the accommodating groove (301 b) in a sliding mode, and a plurality of second pawls (301 d) matched with the first pawls (301 a) are arranged on the sliding plate (301 c).

5. The unmanned safety shield apparatus as recited in claim 4, wherein: the reset assembly (302) comprises a plurality of limit grooves (302 a) arranged on the sliding plate (301 c), a plurality of limit grooves (302 a) are respectively connected with a rotating shaft (302 b) in a rotating mode, torsion springs (302 c) are arranged on the rotating shafts (302 b), and the second pawls (301 d) are fixedly connected with the rotating shafts (302 b).

6. An unmanned safety shield apparatus as recited in claim 4 or 5, wherein: the sliding component (303) comprises an extension plate (303 a) fixedly connected to the left end and the right end of the sliding plate (301 c), and the extension plate (303 a) at the left end is elastically connected with the inner wall of the accommodating groove (301 b) through a second spring (303 b).

7. The unmanned safety shield apparatus as recited in claim 6, wherein: the pushing assembly (304) comprises a notch (304 a) arranged on the sliding plate (301 c), a thread groove (304 b) is formed in the top cover (202 i), a thread sleeve (304 c) is connected to the thread groove (304 b) in a threaded mode, a third circular ring (304 d) is fixedly connected to the thread sleeve (304 c), a through hole (304 e) is formed in the third circular ring (304 d), the through hole (304 e) extends to the laser radar (101), internal threads are formed in the through hole (304 e), and a thread inserted rod (304 f) is arranged on the through hole (304 e).