CN114632276A - Anti-falling device and anti-falling method based on artificial intelligence voice control - Google Patents
Anti-falling device and anti-falling method based on artificial intelligence voice control Download PDFInfo
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- CN114632276A CN114632276A CN202210337606.9A CN202210337606A CN114632276A CN 114632276 A CN114632276 A CN 114632276A CN 202210337606 A CN202210337606 A CN 202210337606A CN 114632276 A CN114632276 A CN 114632276A
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- 238000013473 artificial intelligence Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000003466 welding Methods 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides an anti-falling device based on artificial intelligence voice control, which comprises an anti-falling assembly and a control assembly, wherein the anti-falling assembly comprises a shell, a mounting box, a wire spool and a second mounting seat, and the control assembly comprises a motor, a connecting shaft, a first gear, a second gear, a voice receiver and a controller; the upper surface of the mounting box is provided with a motor. According to the invention, the voice receiver sends an instruction to the voice receiver through a worker, the voice receiver converts a voice signal into a wireless signal and transmits the wireless signal to the controller, the controller controls one end of an output shaft of the motor to rotate to drive the connecting shaft to rotate, the connecting shaft rotates to drive the first gear to rotate and can drive the second gear to rotate, the second gear rotates to drive the wire winding disc to rotate, so that the purposes of bundling a steel wire rope, putting down the steel wire rope and stopping the steel wire rope can be achieved, the worker does not need to manually and repeatedly adjust a connecting point of a safety belt and the steel wire rope at high altitude, a plurality of potential safety hazards are eliminated for high altitude operation, and powerful guarantee is provided for safety of a construction site.
Description
Technical Field
The invention relates to the technical field of safety protection articles for building construction, in particular to an anti-falling device and an anti-falling method based on artificial intelligence voice control.
Background
The anti-falling device can be used by a worker at present when the worker works at a high place, the anti-falling device is used by being hung at the high place, such as a roof, the top of a tower crane and a steel structure column head hanging ladder part, a steel wire rope in the anti-falling device can stretch by 20-100 meters and is even longer, the worker can lock a safety belt and the steel wire rope of the anti-falling device together when falling quickly, the worker is prevented from falling, and problems still exist when the anti-falling device is used at present:
at present, when workers use the anti-falling device at high altitude, the connecting points of the safety belts and the steel wire ropes need to be adjusted continuously and manually, and when the workers work at high altitude, the connecting points are adjusted repeatedly, so that a plurality of potential safety hazards exist, and accidents are easy to happen;
therefore, the anti-falling device and the anti-falling method based on artificial intelligence voice control are provided.
Disclosure of Invention
In view of the above, embodiments of the present invention are intended to provide an anti-falling device and an anti-falling method based on artificial intelligence voice control, so as to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice.
The technical scheme of the embodiment of the invention is realized as follows: an anti-falling device based on artificial intelligence voice control comprises an anti-falling assembly and a control assembly, wherein the anti-falling assembly comprises a shell, a mounting box, a wire spool and a second mounting seat, and the control assembly comprises a motor, a connecting shaft, a first gear, a second gear, a voice receiver and a controller;
the utility model discloses a voice control device, including mounting box, wire reel, voice receiver, controller, signal output part, signal input part, signal output part, voice receiver, the last surface mounting of mounting box has the motor, the output shaft one end fixedly connected with connecting axle of motor, the one end welding of connecting axle has first gear, the second gear is installed to lateral wall one side of wire reel, first gear is connected with the meshing of second gear, voice receiver is installed to one side of second mount pad, the controller is installed to lateral wall one side of casing, the electrical output part of controller passes through the electrical input part electric connection of wire with the motor, the signal output part of controller and voice receiver's signal input part signal connection are convenient for with the help of controller control motor.
As further preferable in the present technical solution: prevent weighing down the subassembly and still include safety rope, first mount pad, go up couple, pivot, wire rope, clockwork spring, connecting rod, couple, locking box and through-hole down, the last surface mounting of casing has the safety rope, first mount pad is installed on the top of safety rope, the last surface mounting of first mount pad has last couple, is convenient for hang in a certain fixed point with last couple to it is fixed with the casing.
As further preferable in the present technical solution: the mounting box is installed to inside wall one side of casing, all be connected with the pivot through the bearing rotation between the adjacent one side of mounting box and casing, two install the wire reel between the adjacent one side of pivot, wire rope is installed to the lateral wall of wire reel, is convenient for withdraw wire rope or transfer through rotating the wire reel.
As further preferable in the present technical solution: one the one end of pivot runs through the mounting box and welds and have the connecting rod, clockwork spring's stiff end welds with inside wall one side of mounting box, clockwork spring's expansion end welds with the lateral wall of connecting rod, is convenient for drive wire reel anticlockwise rotation when wire rope transfers, and the wire reel drives connecting rod anticlockwise rotation, makes clockwork spring receive bending moment after driving clockwork spring expansion end moment of torsion, produces crooked elastic deformation, makes clockwork spring produce in self plane and twists reverse, and clockwork spring returns initial condition when wire rope does not receive the force and drives wire rope and withdraw.
As further preferable in the present technical solution: the lower surface of the shell is provided with a through hole, the end, penetrating through the through hole, of the steel wire rope is provided with a second mounting seat, the lower surface of the second mounting seat is provided with a lower hook, the lower hook is conveniently connected with a safety belt on the body of a worker, and the worker can drive the lower hook to move synchronously when moving.
As further preferable in the present technical solution: the locking box is installed to wire rope's lateral wall, the lower surface of locking box and the inside diapire welding of casing can produce huge decurrent pressure in the twinkling of an eye when the staff accident drops, can lock wire rope when the locking box receives this kind of pulling force, avoids wire rope to continue the landing, protection staff's safety.
In addition, the invention also provides an anti-falling method of the anti-falling device based on artificial intelligence voice control, which comprises the following steps:
s1, the staff sends an instruction to the voice receiver, and the voice receiver converts the voice signal into a wireless signal and transmits the wireless signal to the controller;
s2, converting the wireless signal into an electric signal after the controller receives the wireless signal, and controlling one end of an output shaft of the motor to rotate to drive the connecting shaft to rotate;
s3, the connecting shaft rotates to drive the first gear to rotate, and then the second gear can be driven to rotate;
and S4, the second gear rotates to drive the wire spool to rotate, and the wire rope is collected, the wire rope is released and the wire rope stops.
As further preferable in the present technical solution: in S4, when the second gear rotates clockwise, the wire spool is driven to rotate clockwise to withdraw the steel wire rope, when the second gear rotates counterclockwise, the wire spool is driven to rotate counterclockwise to transfer the steel wire rope, and when the second gear stops rotating, the wire spool stops rotating, and the steel wire rope does not move any more.
Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:
according to the invention, the voice receiver sends an instruction to the voice receiver through a worker, the voice receiver converts a voice signal into a wireless signal and transmits the wireless signal to the controller, the controller converts the wireless signal into an electric signal after receiving the wireless signal, one end of an output shaft of the motor is controlled to rotate to drive the connecting shaft to rotate, the connecting shaft rotates to drive the first gear to rotate and then drive the second gear to rotate, the second gear rotates to drive the wire reel to rotate, the wire rope is collected, the wire rope is released and the wire rope stops, the worker does not need to manually and repeatedly adjust a connecting point of the safety belt and the wire rope at high altitude, the high-altitude operation of the worker is facilitated, a plurality of potential safety hazards are eliminated for the high-altitude operation, and powerful guarantee is provided for the safety of a construction site.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 3 is a schematic structural view of the housing and the through hole of the present invention;
fig. 4 is a schematic view of the internal structure of the mounting box of the present invention.
Reference numerals are as follows: 10. a fall arrest assembly; 11. a housing; 12. a safety cord; 13. a first mounting seat; 14. an upper hook; 15. mounting a box; 16. a wire spool; 17. a rotating shaft; 18. a wire rope; 19. a clockwork spring; 111. a connecting rod; 112. a second mounting seat; 113. a lower hook; 114. a lock box; 115. a through hole; 20. a control component; 21. a motor; 22. a connecting shaft; 23. a first gear; 24. a second gear; 25. a voice receiver; 26. and a controller.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the anti-falling device based on artificial intelligence voice control comprises an anti-falling assembly 10 and a control assembly 20, wherein the anti-falling assembly 10 comprises a shell 11, a mounting box 15, a wire spool 16 and a second mounting seat 112, and the control assembly 20 comprises a motor 21, a connecting shaft 22, a first gear 23, a second gear 24, a voice receiver 25 and a controller 26;
the last surface mounting of mounting box 15 has motor 21, the output shaft one end fixedly connected with connecting axle 22 of motor 21, the welding of the one end of connecting axle 22 has first gear 23, second gear 24 is installed to lateral wall one side of wire reel 16, first gear 23 is connected with the meshing of second gear 24, voice receiver 25 is installed to one side of second mount pad 112, controller 26 is installed to lateral wall one side of casing 11, controller 26's electrical output end passes through wire and motor 21's electrical input end electric connection, controller 26's signal output part and voice receiver 25's signal input end signal connection, be convenient for with the help of controller 26 control motor 21.
In this embodiment, specifically: the anti-falling assembly 10 further comprises a safety rope 12, a first mounting seat 13, an upper hook 14, a rotating shaft 17, a steel wire rope 18, a clockwork spring 19, a connecting rod 111, a lower hook 113, a locking box 114 and a through hole 115, the safety rope 12 is mounted on the upper surface of the shell 11, the first mounting seat 13 is mounted at the top end of the safety rope 12, the upper surface of the first mounting seat 13 is provided with the upper hook 14, and the upper hook 14 is conveniently hung on a certain fixed point so as to fix the shell 11.
In this embodiment, specifically: the mounting box 15 is installed to inside wall one side of casing 11, all is connected with pivot 17 through the bearing rotation between mounting box 15 and the adjacent one side of casing 11, installs wire reel 16 between the adjacent one side of two pivot 17, and wire rope 18 is installed to wire reel 16's lateral wall, is convenient for withdraw or transfer wire rope 18 through rotating wire reel 16.
In this embodiment, specifically: one end of a pivot 17 runs through mounting box 15 and welds and have connecting rod 111, the stiff end of clockwork spring 19 welds with mounting box 15's inside wall one side, the expansion end of clockwork spring 19 welds with the lateral wall of connecting rod 111, be convenient for drive wire reel 16 anticlockwise rotation when wire rope 18 transfers, wire reel 16 drives connecting rod 111 anticlockwise rotation, make clockwork spring 19 receive bending moment after driving clockwork spring 19 expansion end moment of torsion, produce bending elastic deformation, make clockwork spring 19 produce in self plane and twist reverse, clockwork spring 19 returns initial state and drives wire rope 18 and withdraw when wire rope 18 does not receive the force.
In this embodiment, specifically: through-hole 115 has been seted up to the lower surface of casing 11, and second mount pad 112 is installed to the one end that wire rope 18 passed through-hole 115, and couple 113 is down installed to the lower surface of second mount pad 112, is convenient for be connected couple 113 and the safety belt on the staff's body down, can drive couple 113 synchronous motion down when making the staff remove.
In this embodiment, specifically: locking box 114 is installed to wire rope 18's lateral wall, and the lower surface of locking box 114 welds with the inside diapire of casing 11, can produce huge decurrent pressure in the twinkling of an eye when the staff accident drops, can lock wire rope 18 when locking box 114 receives this kind of pulling force, avoids wire rope 18 to continue the landing, protection staff's safety.
In addition, the invention also provides an anti-falling method of the anti-falling device based on artificial intelligence voice control, which comprises the following steps:
s1, the staff sends an instruction to the voice receiver 25, and the voice receiver 25 converts the voice signal into a wireless signal and transmits the wireless signal to the controller 26;
s2, after receiving the wireless signal, the controller 26 converts the wireless signal into an electric signal, and controls one end of the output shaft of the motor 21 to rotate to drive the connecting shaft 22 to rotate;
s3, the connecting shaft 22 rotates to drive the first gear 23 to rotate, and then the second gear 24 can be driven to rotate;
s4, the second gear 24 rotates to drive the wire spool 16 to rotate, and the steel wire rope 18 is bunched, the steel wire rope 18 is lowered, and the steel wire rope 18 stops.
In this embodiment, specifically, in S4, when the second gear 24 rotates clockwise, the wire spool 16 is driven to rotate clockwise, the wire rope 18 is retracted, when the second gear 24 rotates counterclockwise, the wire spool 16 is driven to rotate counterclockwise, the wire rope 18 is lowered, and when the second gear 24 stops rotating, the wire spool 16 stops rotating, and the wire rope 18 no longer moves.
The invention is in operation: when the worker is required to adjust the connection point between the safety belt and the steel wire rope 18 in the high-altitude operation, the worker sends an instruction to the voice receiver 25, the voice receiver 25 converts a voice signal into a wireless signal and transmits the wireless signal to the controller 26, the controller 26 converts the wireless signal into an electric signal after receiving the wireless signal, controls one end of the output shaft of the motor 21 to rotate and drives the connecting shaft 22 to rotate, the connecting shaft 22 rotates and drives the first gear 23 to rotate and then can drive the second gear 24 to rotate, the second gear 24 rotates and drives the wire spool 16 to rotate, when the rising is spoken, one end of the output shaft of the motor 21 rotates anticlockwise and drives the second gear 24 to rotate clockwise and drives the wire spool 16 to rotate clockwise, when the falling is spoken, one end of the output shaft of the motor 21 rotates clockwise and drives the second gear 24 to rotate anticlockwise and drive the wire spool 16 to rotate anticlockwise, the steel wire rope 18 is put down, when the stop is said, one end of the output shaft of the motor 21 does not rotate any more, the second gear 24 stops rotating, the wire spool 16 stops rotating, the steel wire rope 18 does not move any more, and workers do not need to manually and repeatedly adjust the connection point between the safety belt and the steel wire rope 18 at high altitude, so that the high-altitude operation of the workers is facilitated, a plurality of potential safety hazards are eliminated for the high-altitude operation, and powerful guarantee is provided for the safety of a construction site.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The utility model provides an anti-falling device based on artificial intelligence speech control which characterized in that: the anti-falling device comprises an anti-falling assembly (10) and a control assembly (20), wherein the anti-falling assembly (10) comprises a shell (11), a mounting box (15), a wire spool (16) and a second mounting seat (112), and the control assembly (20) comprises a motor (21), a connecting shaft (22), a first gear (23), a second gear (24), a voice receiver (25) and a controller (26);
the utility model discloses a voice control device, including mounting box (15), output shaft, second gear (26), controller (26), last surface mounting of mounting box (15) has motor (21), the output shaft one end fixedly connected with connecting axle (22) of motor (21), the one end welding of connecting axle (22) has first gear (23), second gear (24) are installed to lateral wall one side of wire reel (16), first gear (23) are connected with second gear (24) meshing, voice receiver (25) are installed to one side of second mount pad (112), controller (26) are installed to lateral wall one side of casing (11), the electrical output of controller (26) passes through the wire and the electrical input end electric connection of motor (21), the signal output part of controller (26) and the signal input part signal connection of voice receiver (25).
2. The fall arrest device based on artificial intelligence voice control of claim 1, characterized in that: prevent weighing down subassembly (10) still includes safety rope (12), first mount pad (13), goes up couple (14), pivot (17), wire rope (18), clockwork spring (19), connecting rod (111), couple (113), locking box (114) and through-hole (115) down, the last surface mounting of casing (11) has safety rope (12), first mount pad (13) are installed on the top of safety rope (12), the last surface mounting of first mount pad (13) has last couple (14).
3. The fall arrest device based on artificial intelligence voice control of claim 2, characterized in that: mounting box (15) are installed to inside wall one side of casing (11), all be connected with pivot (17), two through the bearing rotation between mounting box (15) and the adjacent one side of casing (11) install wire reel (16) between the adjacent one side of pivot (17), wire rope (18) are installed to the lateral wall of wire reel (16).
4. The fall arrest device based on artificial intelligence voice control of claim 2, characterized in that: one the one end of pivot (17) runs through mounting box (15) and the welding has connecting rod (111), the stiff end of clockwork spring (19) and the inside wall one side welding of mounting box (15), the expansion end of clockwork spring (19) and the outside wall welding of connecting rod (111).
5. The fall arrest device based on artificial intelligence voice control of claim 3, characterized in that: through-hole (115) have been seted up to the lower surface of casing (11), wire rope (18) pass the one end of through-hole (115) and install second mount pad (112), couple (113) down is installed to the lower surface of second mount pad (112).
6. The fall arrest device based on artificial intelligence voice control of claim 3, characterized in that: and a locking box (114) is arranged on the outer side wall of the steel wire rope (18), and the lower surface of the locking box (114) is welded with the inner bottom wall of the shell (11).
7. An anti-falling method of an anti-falling device based on artificial intelligence voice control is characterized by comprising the following steps:
s1, the staff sends an instruction to the voice receiver (25), and the voice receiver (25) converts the voice signal into a wireless signal and transmits the wireless signal to the controller (26);
s2, converting the wireless signal into an electric signal after the controller (26) receives the wireless signal, and controlling one end of an output shaft of the motor (21) to rotate to drive the connecting shaft (22) to rotate;
s3, the connecting shaft (22) rotates to drive the first gear (23) to rotate, and then the second gear (24) can be driven to rotate;
s4, the second gear (24) rotates to drive the wire spool (16) to rotate, and the steel wire rope (18) is bunched, the steel wire rope (18) is lowered, and the steel wire rope (18) stops.
8. The fall preventing method of the fall preventing device based on artificial intelligence voice control according to claim 7, characterized in that: in S4, when the second gear (24) rotates clockwise, the wire spool (16) is driven to rotate clockwise, the steel wire rope (18) is withdrawn, when the second gear (24) rotates anticlockwise, the wire spool (16) is driven to rotate anticlockwise, the steel wire rope (18) is placed downwards, when the second gear (24) stops rotating, the wire spool (16) stops rotating, and the steel wire rope (18) does not move any more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337606.9A CN114632276A (en) | 2022-04-01 | 2022-04-01 | Anti-falling device and anti-falling method based on artificial intelligence voice control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337606.9A CN114632276A (en) | 2022-04-01 | 2022-04-01 | Anti-falling device and anti-falling method based on artificial intelligence voice control |
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| Publication Number | Publication Date |
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| CN114632276A true CN114632276A (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210337606.9A Pending CN114632276A (en) | 2022-04-01 | 2022-04-01 | Anti-falling device and anti-falling method based on artificial intelligence voice control |
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| Country | Link |
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| CN (1) | CN114632276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814299A (en) * | 2022-12-15 | 2023-03-21 | 陕西秦风气体股份有限公司 | Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope |
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| CN112292186A (en) * | 2018-06-22 | 2021-01-29 | 3M创新有限公司 | Personal protective equipment security system using contextual information from an industrial control system |
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|---|---|---|---|---|
| CN104027907A (en) * | 2014-06-20 | 2014-09-10 | 高芹 | Anti-falling protective rope system |
| CN106390321A (en) * | 2015-08-06 | 2017-02-15 | 中际联合（北京）科技股份有限公司 | Safety equipment for preventing accidental fall during high-altitude operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814299A (en) * | 2022-12-15 | 2023-03-21 | 陕西秦风气体股份有限公司 | Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope |
| CN115814299B (en) * | 2022-12-15 | 2023-11-17 | 陕西秦风气体股份有限公司 | Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope |
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Application publication date: 20220617 |