CN115814299B - Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope - Google Patents
Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope Download PDFInfo
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- CN115814299B CN115814299B CN202211612340.0A CN202211612340A CN115814299B CN 115814299 B CN115814299 B CN 115814299B CN 202211612340 A CN202211612340 A CN 202211612340A CN 115814299 B CN115814299 B CN 115814299B
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- 238000004873 anchoring Methods 0.000 title claims abstract description 64
- 238000004804 winding Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 17
- 230000006698 induction Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
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Abstract
The invention discloses an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope, and relates to the technical field of winding and unwinding of safety belt ropes; in order to ensure the safety of users; including the frame and be used for carrying out the suggestion portion of anchor warning to rope main part, suggestion portion includes: and (3) anchoring the column: the two ends of the frame are movably connected with the inner walls of the two sides of the frame, and an anchoring hole is formed in the anchoring column; limiting seat: it is fixed on the outer wall of one side of the frame; coil spring: one end of the coil spring is clamped on the inner wall of the limiting seat, and the other end of the coil spring is clamped on the circumferential outer wall of the anchoring column; ratchet wheel: which is secured to the circumferential outer wall of the anchor post by a pin. According to the invention, the rotation direction of the ratchet wheel is unidirectional through the clamping teeth, so that the stability of the ratchet wheel after the rope main body is anchored can be ensured, and the rope main body passes through the anchoring hole to enable the anchoring column to wind the rope main body in the rotation process, so that the rope main body can be anchored by the anchoring column.
Description
Technical Field
The invention relates to the technical field of winding and unwinding of safety belt ropes, in particular to an automatic winding and unwinding and anchoring alarm prompting device for safety belt ropes.
Background
In recent years, safety production accidents continuously occur, wherein high falling accidents are large, the reasons are mostly that personal safety consciousness is insufficient, safety protection facilities are not equipped in place, and the reasons are that safety belt ropes interfere operation activities, so that the operation activities are inconvenient, and the flexibility of the redundant facility equipment such as safety belts in ascending operation needs to be further improved;
at present, general safety management measures in the ascending operation are safety training before operation, five-point type safety belts are required to be worn, and on-site guardianship equipment is arranged in the operation to monitor, manage and wear the execution condition; the safety belt is used in a high-hanging low-use mode, is matched with a safety rope and the like to be used together, a long rope is optionally placed on the back of an operator or near the body, short-term safety training cannot be quickly converted to improve safety consciousness, a guardian monitors a blind area which cannot be observed in the ascending operation, the safety belt cannot be timely and comprehensively reminded, the conventional safety belt rope is long, and is inconvenient to wear and use, so that the feet of the user are easily wound by the safety belt rope when the user operates, dangers are caused, and based on the safety belt rope, a rope reel and an anchoring alarm device are required to be designed to solve the interference of the long rope to the high-position operation process, and alarm reminding is carried out on the condition that the rope is not anchored timely.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an automatic reel of safety belt rope and anchor warning suggestion device, includes the frame and is used for carrying out the suggestion portion of anchor warning to the rope main part, suggestion portion includes:
and (3) anchoring the column: the two ends of the frame are movably connected with the inner walls of the two sides of the frame, and an anchoring hole is formed in the anchoring column;
limiting seat: it is fixed on the outer wall of one side of the frame;
coil spring: one end of the coil spring is clamped on the inner wall of the limiting seat, and the other end of the coil spring is clamped on the circumferential outer wall of the anchoring column;
ratchet wheel: the ratchet wheel is fixed on the circumferential outer wall of the anchoring column through a pin, a connecting plate is welded on the outer wall of the ratchet wheel, and a contact I is fixed on the surface of the connecting plate;
transverse plate: the device is welded on the outer wall of one side of the frame, the inner wall of a through hole formed in the surface of the transverse plate is movably connected with a T-shaped rod, and the bottom of the T-shaped rod is fixed with clamping teeth through a pin;
and (3) a spring: the spring is sleeved on the circumferential outer wall of the T-shaped rod, and two ends of the spring are respectively welded on the top inner wall of the T-shaped rod and the top outer wall of the transverse plate;
bending pipe: the first contact is welded on the outer wall of one side of the frame, and the top of the bent pipe is fixed with the second contact;
rotating the first handle: the device is fixed at one end of the anchoring column through a pin;
and (3) a control box: it is fixed on the outer wall of the top of the frame;
the inner walls of the two sides of the frame are movably connected with the same winding and unwinding column, and the circumferential outer wall of the winding and unwinding column is welded with a limiting disc;
the clamping teeth enable the rotation direction of the ratchet to have unidirectionality, the ratchet can rotate clockwise along the surface of the clamping teeth, and when the ratchet rotates anticlockwise, the ratchet is limited by the clamping teeth;
the rope main body passes through the anchoring hole so that the anchoring column winds the rope main body in the rotating process, and the rope main body is anchored by the anchoring column;
in the rotating process of the anchoring column, the contact approaches to the contact II, when the rope main body is anchored by the anchoring column, induction is generated after the contact between the contact I and the contact II, a rechargeable battery, a PLC (programmable logic controller) and a buzzer are arranged in the control box, the PLC receives and processes induction signals, when the contact I and the contact II are not contacted, the buzzer gives out prompt sounds to give an alarm, and when the contact I and the contact II are contacted, the buzzer stops giving an alarm;
the limiting disc limits the rope main body in the winding and unwinding process.
Preferably: the outer wall of one side of the frame is fixedly provided with a mounting box, the inner wall of a through hole formed in the surface of the mounting box is movably connected with a worm, and the worm is connected to one end of the winding and unwinding column through a coupler.
Preferred as the present invention: one end of the rope main body is fixed with a first hook through a pin, and the other end of the rope main body is fixed with a second hook through a pin.
As a preferred embodiment of the present invention: the through hole inner wall swing joint that the mounting box top was seted up has the fixed column, fixed column circumference outer wall is connected with the worm wheel with worm meshing through the key.
As a preferred embodiment of the present invention: the top of the fixed column is fixedly provided with a swing arm through a pin, and one end of the swing arm is movably connected with a rocker.
Further: the outer wall of one side of the frame is welded with a guide plate, the inner wall of a through hole formed in the surface of the guide plate is movably connected with a transverse rod, and one end of the transverse rod is movably connected with the outer surface of the rocker.
As a further scheme of the invention: the outer wall of one side of the transverse rod is fixedly provided with a containing frame through a pin, and the inner wall of the containing frame is movably connected with a conical column.
As still further aspects of the invention: the outer wall of one side of the worm is fixed with a second rotating handle through a pin.
As still further aspects of the invention: the outer wall of the hook is welded at the bottom of the frame.
The beneficial effects of the invention are as follows:
1. the ratchet wheel is unidirectional in the rotation direction through the clamping teeth, so that stability of the ratchet wheel after anchoring the rope body can be guaranteed, the rope body passes through the anchoring hole to enable the anchoring column to wind the rope body in the rotation process, and the anchoring column can play an anchoring role on the rope body.
2. The contact between the contact I and the contact II produces the response to can transmit the response model to the control box in, the PLC controller can receive and handle the response signal, when making contact between contact I and the contact II, make buzzer send the suggestion sound, report to the police, after contact between contact I and the contact II, make buzzer stop reporting to the police, thereby can in time remind the user when rope main part does not anchor, thereby guarantee user's life safety.
3. The worm can be utilized to drive the worm wheel to rotate, so that the circular motion of the worm wheel is converted into the linear reciprocating motion of the transverse rod under the adjustment of the rocker, and the rope main body can be uniformly wound on the circumferential outer wall of the winding and unwinding column under the driving action of the conical column, so that knotting caused by winding of excessive rope main bodies on a certain area of the surface of the winding and unwinding column is avoided.
4. The tapered column can be used for conveying the rope main body and simultaneously providing tension force for the outer wall of the rope main body, so that the rope main body can be more compact in winding and unwinding, and slipping of the rope main body relative to the winding and unwinding column is avoided.
5. The unidirectional worm and gear structure is utilized, so that when the prompting part fails, the rope main body can be prevented from being suddenly unreeled from the circumferential outer wall of the unreeled winding column, and the life safety of users can be secondarily ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an automatic belt rope winding and unwinding and anchoring alarm prompting device according to the present invention;
FIG. 2 is a schematic side view of an automatic belt rope winding and unwinding and anchoring alarm prompting device according to the present invention;
FIG. 3 is a schematic diagram of the whole structure of an alarm prompting part of the automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope;
FIG. 4 is a schematic diagram of the side direction of an alarm prompting part of the automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope;
FIG. 5 is a schematic diagram of a part of an alarm prompting part of an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope;
FIG. 6 is a schematic view of the overall structure of a winding and unwinding part of an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope;
fig. 7 is a schematic diagram of a guiding part structure of an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope.
In the figure: 1-frame, 2-rotating handle one, 3-reel-out column, 4-hook one, 5-rope main body, 6-mounting box, 7-guide plate, 8-control box, 9-limit plate, 10-hook two, 11-coil spring, 12-limit seat, 13-anchor column, 14-anchor hole, 15-transverse plate, 16-ratchet, 17-contact one, 18-T type pole, 19-spring, 20-detent tooth, 21-joint plate, 22-contact two, 23-return bend, 24-worm, 25-rotating handle two, 26-fixed column, 27-swing arm, 28-accommodation frame, 29-taper column, 30-transverse rod, 31-rocker, 32-worm wheel.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the patent and simplifying the description, and do not limit the device, structure, or element to which it refers to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Example 1:
an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope, as shown in fig. 1-7, comprises a frame 1 and a prompting part for performing anchoring alarm on a rope main body 5, wherein the prompting part comprises:
anchor post 13: the two ends of the frame 1 are rotatably connected with the inner walls of the two sides of the frame, and the inside of the anchoring column 13 is provided with an anchoring hole 14;
limit seat 12: the device is fixed on the outer wall of one side of the frame 1 through bolts;
coil spring 11: one end of the spring is clamped on the inner wall of the limiting seat 12, and the other end of the coil spring 11 is clamped on the outer circumferential wall of the anchoring column 13;
ratchet 16: the device is fixed on the circumferential outer wall of the anchoring column 13 through a pin, a joint plate 21 is welded on the outer wall of the ratchet wheel 16, and a contact I17 is fixed on the surface of the joint plate 21 through a bolt;
transverse plate 15: the T-shaped rod 18 is welded on the outer wall of one side of the frame 1, the inner wall of a through hole formed in the surface of the transverse plate 15 is connected with the T-shaped rod 18 in a sliding manner, and the clamping teeth 20 are fixed at the bottom of the T-shaped rod 18 through pins;
spring 19: the spring is sleeved on the circumferential outer wall of the T-shaped rod 18, and two ends of the spring 19 are respectively welded on the top inner wall of the T-shaped rod 18 and the top outer wall of the transverse plate 15;
elbow 23: the two contacts are welded on the outer wall of one side of the frame 1, and the top of the bent pipe 23 is fixed with the second contact 22 through bolts;
turning the handle one 2: which is fixed to one end of the anchor post 13 by a pin;
control box 8: the device is fixed on the outer wall of the top of the frame 1 through bolts;
the ratchet wheel 16 is unidirectional in rotation direction due to the arrangement of the clamping teeth 20, namely the ratchet wheel 16 can rotate clockwise along the surface of the clamping teeth 20 along the direction shown in fig. 4-5, otherwise, when the ratchet wheel 16 rotates anticlockwise, the ratchet wheel 16 can be limited by the clamping teeth 20, so that stability of the ratchet wheel 16 can be ensured, the rope main body 5 passes through the anchoring hole 14 to enable the anchoring column 13 to wind the rope main body 5 in the rotation process, the anchoring column 13 can be utilized to anchor the rope main body 5, in the rotation process of the anchoring column 13, the contact one 17 gradually approaches to the contact two 22, when the rope main body 5 is anchored by the anchoring column 13, the contact one 17 and the contact two 22 are contacted, induction is generated, and accordingly, the induction can be transmitted into the control box 8, a charging battery, a PLC (programmable logic controller) and a buzzer are arranged in the control box 8, the PLC can receive and process induction signals, when the contact one 17 and the contact two buzzers are contacted, the contact two buzzers are not contacted, and when the contact two contacts 22 are not contacted, the contact one 17 and the alarm main body 5 is not contacted, and the alarm personnel can be reminded of the safety of the people is ensured;
by providing the coil spring 11, when a user lifts the T-shaped rod 18 up along the transverse plate 15 by using the hand, the anchor post 13 can be quickly reset under the action of the elastic force of the coil spring 11, so that the anchor post 13 quickly contacts with the anchor of the rope main body 5, and the rope main body 5 is ensured to normally move along the anchor hole 14.
The two side inner walls of the frame 1 are rotatably connected with the same winding and unwinding column 3, the circumferential outer wall of the winding and unwinding column 3 is welded with a limiting disc 9, the outer wall of one side of the frame 1 is fixedly provided with a mounting box 6 through bolts, the inner wall of a through hole formed in the surface of the mounting box 6 is rotatably connected with a worm 24, the worm 24 is connected with one end of the winding and unwinding column 3 through a coupler, and the outer wall of one side of the worm 24 is fixedly provided with a rotating handle II 25 through a pin;
the winding and unwinding column 3 can wind and unwind the rope main body 5 by rotating the rotating handle II 25, and the limiting disc 9 can limit the rope main body 5 in the winding and unwinding process.
One end of the rope main body 5 is fixed with a first hook 4 through a pin, the other end of the rope main body 5 is fixed with a second hook 10 through a pin, and the outer wall of the second hook 10 is welded at the bottom of the frame 1;
the connection between the two hooks 10 and the five-point safety belt on the body of the user can be realized, and the connection between the two hooks 4 and the traction equipment can be realized.
When the safety belt is used, the first hook 4 and the traction device are connected, then the user wears the five-point safety belt, the second hook 10 is connected and fixed on the five-point safety belt, then the traction device is utilized to continuously unwind the first hook 4, so that the user continuously descends from a high place, when the user descends to a platform needing to perform operation, the user can anchor the rope main body 5 by utilizing the anchor post 13 when the length of the rope main body 5 nearby the body is long, in order to avoid dangers caused by winding of the foot and the body part by the rope main body 5 in the operation process, the user firstly utilizes the hand to rotate the second rotating handle 25, the winding and unwinding post 3 rotates the rope main body 5 in the synchronous rotating process, the ratchet wheel 16 synchronously rotates along the surface of the clamping tooth 20 at the moment, the anchor post 13 can wind the rope main body 5 partially, after the anchor is anchored, the first contact 17 moves to the second contact 17 and the second contact 22 can be controlled by utilizing the buzzer 8, and the buzzer 8 can be controlled by utilizing the buzzer 8 when the buzzer 8, and the buzzer can be controlled to stop in the buzzer 8.
Example 2:
an automatic winding and unwinding and anchoring alarm prompting device for a safety belt rope is shown in fig. 1-7, so that a rope main body 5 can be uniformly wound on the circumferential outer wall of a winding and unwinding column 3; this example complements the following on the basis of example 1: the inner wall of a through hole formed in the top of the installation box 6 is rotationally connected with a fixed column 26, the circumferential outer wall of the fixed column 26 is connected with a worm wheel 32 meshed with a worm 24 through a key, the top of the fixed column 26 is fixedly provided with a swing arm 27 through a pin, one end of the swing arm 27 is rotationally connected with a rocker 31, one side outer wall of the frame 1 is welded with a guide plate 7, the inner wall of the through hole formed in the surface of the guide plate 7 is slidingly connected with a transverse rod 30, one end of the transverse rod 30 is rotationally connected with the outer surface of the rocker 31, one side outer wall of the transverse rod 30 is fixedly provided with a containing frame 28 through a pin, and the inner wall of the containing frame 28 is rotationally connected with a conical column 29;
the worm 24 is utilized to drive the worm wheel 32 to rotate, so that the circular motion of the worm wheel 32 is converted into the linear reciprocating motion of the transverse rod 30 under the adjustment of the rocker 31, the rope main body 5 can be uniformly wound on the circumferential outer wall of the winding and unwinding column 3 under the driving action of the conical column 29, knotting caused by winding too many rope main bodies 5 on a certain area of the surface of the winding and unwinding column 3 is avoided, meanwhile, the conical column 29 is utilized to convey the rope main body 5, and simultaneously, the tensioning force can be provided for the outer wall of the rope main body 5, so that the rope main body 5 can be more tightly wound, slipping of the rope main body 5 relative to the winding and unwinding column 3 is avoided, meanwhile, the unidirectionality of the worm wheel structure is utilized, and therefore, when a prompting part breaks down, the rope main body 5 can be prevented from suddenly unwinding from the circumferential outer wall of the winding and unwinding column 3, and the life safety of users can be secondarily ensured.
While the invention has been described in terms of what are presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an automatic reel of safety belt rope and anchor warning suggestion device, includes frame (1) and is used for carrying out the suggestion portion of anchor warning to rope main part (5), its characterized in that, the suggestion portion includes:
anchor post (13): the two ends of the frame (1) are movably connected with the inner walls of the two sides of the frame, and an anchoring hole (14) is formed in the anchoring column (13);
limiting seat (12): which is fixed on the outer wall of one side of the frame (1);
coil spring (11): one end of the spring is clamped on the inner wall of the limit seat (12), and the other end of the coil spring (11) is clamped on the circumferential outer wall of the anchoring column (13);
ratchet (16): the device is fixed on the circumferential outer wall of an anchoring column (13) through a pin, a connecting plate (21) is welded on the outer wall of a ratchet wheel (16), and a contact I (17) is fixed on the surface of the connecting plate (21);
transverse plate (15): the device is welded on the outer wall of one side of the frame (1), the inner wall of a through hole formed in the surface of the transverse plate (15) is movably connected with a T-shaped rod (18), and clamping teeth (20) are fixed at the bottom of the T-shaped rod (18) through pins;
spring (19): the two ends of the spring (19) are welded on the inner wall of the top of the T-shaped rod (18) and the outer wall of the top of the transverse plate (15) respectively;
elbow (23): the device is welded on the outer wall of one side of the frame (1), and a second contact (22) is fixed at the top of the bent pipe (23);
rotating a handle I (2): which is fixed at one end of an anchor column (13) through a pin;
control box (8): it is fixed on the outer wall of the top of the frame (1);
the two side inner walls of the frame (1) are movably connected with the same winding and unwinding column (3), and a limiting disc (9) is welded on the circumferential outer wall of the winding and unwinding column (3);
the clamping teeth (20) enable the rotation direction of the ratchet wheel (16) to have unidirectionality, the ratchet wheel (16) can rotate clockwise along the surface of the clamping teeth (20), and when the ratchet wheel (16) rotates anticlockwise, the ratchet wheel is limited by the clamping teeth (20);
the rope main body (5) passes through the anchoring hole (14) to enable the anchoring column (13) to wind the rope main body (5) in the rotating process, and the rope main body (5) is anchored by the anchoring column (13);
in the rotating process of the anchoring column (13), the contact I (17) approaches to the contact II (22), when the rope main body (5) is anchored by the anchoring column (13), induction is generated after the contact between the contact I (17) and the contact II (22), a rechargeable battery, a PLC (programmable logic controller) and a buzzer are arranged in the control box (8), the PLC receives and processes induction signals, when the contact I (17) and the contact II (22) are not contacted, the buzzer gives out prompt sound to give an alarm, and when the contact I (17) and the contact II (22) are contacted, the buzzer stops giving an alarm;
the limiting disc (9) limits the rope main body (5) in the winding and unwinding process.
2. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 1 is characterized in that an installation box (6) is fixed on the outer wall of one side of the frame (1), a worm (24) is movably connected to the inner wall of a through hole formed in the surface of the installation box (6), and the worm (24) is connected to one end of a winding and unwinding column (3) through a coupling.
3. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 2, wherein one end of the rope main body (5) is fixedly provided with a first hook (4) through a pin, and the other end of the rope main body (5) is fixedly provided with a second hook (10) through a pin.
4. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 3, wherein a fixing column (26) is movably connected to the inner wall of a through hole formed in the top of the installation box (6), and a worm wheel (32) meshed with the worm (24) is connected to the circumferential outer wall of the fixing column (26) through a key.
5. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 4 is characterized in that a swing arm (27) is fixed at the top of the fixed column (26) through a pin, and a rocker (31) is movably connected to one end of the swing arm (27).
6. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 5, wherein a guide plate (7) is welded on the outer wall of one side of the frame (1), a transverse rod (30) is movably connected to the inner wall of a through hole formed in the surface of the guide plate (7), and one end of the transverse rod (30) is movably connected to the outer surface of the rocker (31).
7. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 6 is characterized in that a containing frame (28) is fixed on one side outer wall of the transverse rod (30) through a pin, and a conical column (29) is movably connected to the inner wall of the containing frame (28).
8. An automatic belt line pay-off and anchorage warning device in accordance with claim 7, characterized in that the outer wall of one side of the worm (24) is fixed with a turning handle two (25) by means of a pin.
9. The automatic winding and unwinding and anchoring alarm prompting device for the safety belt rope according to claim 8, wherein the outer wall of the second hook (10) is welded to the bottom of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612340.0A CN115814299B (en) | 2022-12-15 | 2022-12-15 | Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211612340.0A CN115814299B (en) | 2022-12-15 | 2022-12-15 | Automatic winding and unwinding and anchoring alarm prompting device for safety belt rope |
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| CN115814299A CN115814299A (en) | 2023-03-21 |
| CN115814299B true CN115814299B (en) | 2023-11-17 |
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| CN113949004A (en) * | 2021-10-12 | 2022-01-18 | 石家庄思凯电力建设有限公司新乐市分公司 | Electric power wire tightening device and use method thereof |
| CN114632276A (en) * | 2022-04-01 | 2022-06-17 | 山西八建集团有限公司 | Anti-falling device and anti-falling method based on artificial intelligence voice control |
| CN115432508A (en) * | 2022-09-16 | 2022-12-06 | 江西康成特导新材股份有限公司 | Tensioning device for winding copper-silver alloy wire |
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| CN115814299A (en) | 2023-03-21 |
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