CN220933607U - Fixed pulley rope anti-drop alarm device - Google Patents
Fixed pulley rope anti-drop alarm device Download PDFInfo
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- CN220933607U CN220933607U CN202323066550.7U CN202323066550U CN220933607U CN 220933607 U CN220933607 U CN 220933607U CN 202323066550 U CN202323066550 U CN 202323066550U CN 220933607 U CN220933607 U CN 220933607U
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- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000008094 contradictory effect Effects 0.000 description 1
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Abstract
The utility model discloses an anti-drop alarm device for a fixed pulley rope, which comprises a workbench, wherein an anti-drop device is arranged at the upper end of the workbench, a fixed pulley is rotationally connected to the center of the inner surface of the workbench, an alarm device is arranged at the upper surface of the workbench, and a camera is arranged above the workbench.
Description
Technical Field
The utility model relates to the technical field of fixed pulleys, in particular to an anti-falling alarm device for a fixed pulley rope.
Background
In the prior art, especially in slings, ropes, rope systems, one often changes or applies the force by means of fixed position fixed pulleys.
However, in the actual use process, when the rope moves outside the fixed pulley, a certain degree of deviation is often generated in the groove inside the fixed pulley due to the fact that the outer surface of the rope is rough, so that the rope can be at risk of falling out of the fixed pulley in high-speed operation, normal lifting operation of people is affected, weight in the lifting process can be at risk of losing weight and falling down, and life safety of constructors is endangered.
Disclosure of utility model
The utility model mainly aims to provide an anti-falling alarm device for a fixed pulley rope, which solves the problems in the prior art.
In order to achieve the above purpose, the fixed pulley rope anti-falling alarm device provided by the utility model comprises a workbench, wherein an anti-falling device is arranged at the upper end of the workbench, a fixed pulley is rotationally connected to the center of the inner surface of the workbench, an alarm device is arranged at the upper surface of the workbench, and a camera is arranged above the workbench;
The alarm device comprises a limiting block, the inside of the limiting block is rotationally connected with a rotating block, the end part of the rotating block is fixedly connected with a spiral spring, the inner cambered surface of the rotating block is fixedly connected with a sliding block, the front surface of the sliding block is fixedly connected with a limiting deflector rod, the inner surface of the limiting block is fixedly connected with a trigger switch, and the back surface of the trigger switch is fixedly connected with a trigger deflector sheet.
Preferably, the anti-falling device comprises a support, wherein the inner surface of the support is fixedly connected with a connecting shaft, and a compression bar is rotationally connected to the outer surface of the connecting shaft.
Preferably, the front end of the workbench is provided with a rectangular groove, the upper surface of the workbench is fixedly connected with a limiting block through a bolt, and the inside of the limiting block is hollow.
Preferably, the limiting blocks are provided with two groups, the two groups of limiting blocks are symmetrically distributed by taking the central line of the workbench as a symmetrical axis, and the adjacent surfaces of the two groups of limiting blocks are provided with through holes.
Preferably, the lower extreme of commentaries on classics piece is provided with the rectangle arch, the surface of scroll spring is provided with cylindrical arch, the protruding department of scroll spring contacts with the stopper inner wall, the surface of trigger plectrum contacts with changeing the piece, the front surface department of slider sets up the rectangle spout.
Preferably, one end of the limit deflector rod, which is far away from the sliding block, is arranged into an arc shape, two groups of rectangular protrusions are arranged on the outer surface of the limit deflector rod, the trigger switch and the trigger deflector plate are arranged in two groups and are respectively positioned in the limiting block and on the upper surface of the limit deflector rod, the lower surface of the trigger switch is fixedly connected with the limit deflector rod, the outer surface of the trigger deflector plate is contacted with the bottom plate, and one end of the limit deflector rod, which is close to the bottom plate, is fixedly connected with a spring.
Preferably, the upper end of the support is arc-shaped, two groups of supports are arranged, and the two groups of supports are symmetrically distributed by taking the central line of the workbench as a symmetrical axis.
Preferably, the inner surface of the support is provided with a plurality of groups of through holes which penetrate, the left end and the right end of the connecting shaft are fixedly connected with a group of supports, and the distance between the pressure bar and the fixed pulley is less than or equal to one third of the diameter of the rope.
Compared with the prior art, the utility model has the following beneficial effects:
(1) When the fixed pulley rope anti-drop alarm device is used, the rope on the outer surface of the fixed pulley needs to be driven to move through the external driving device, when the rope moves at a high speed to generate a drop risk, the limiting deflector rod is driven to generate a certain degree of vibration, meanwhile, the limiting deflector rod simultaneously drives the sliding block to rotate or drives the trigger switch above to squeeze the trigger deflector, when the sliding block rotates, the rotating block is driven to rotate to a certain degree, at the moment, the rotating block pushes the trigger deflector to move towards the trigger switch, and the trigger switch can be triggered to generate an alarm, and people are reminded of the drop risk of the rope.
(2) When the rope is at a falling risk, the rope can move outwards along the inner cambered surface of the fixed pulley, and then the rope can contact with the compression bar, and the compression bar can shield the rope by itself so that the rope can not be fully far away from the fixed pulley all the time, so that the rope can not be fully separated from the fixed pulley all the time in the moving process, and the safety risk caused by falling off of the rope from the fixed pulley is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the support of the present utility model;
FIG. 3 is a schematic view of a structure of a limit lever according to the present utility model;
fig. 4 is a schematic diagram of the internal structure of the stopper according to the present utility model.
In the figure: 1. a work table; 2. an alarm device; 3. an anti-falling device; 4. a camera; 5. a fixed pulley; 201. a limiting block; 202. a slide block; 203. a limit deflector rod; 204. a spiral spring; 205. a rotating block; 206. triggering a poking piece; 207. triggering a switch; 301. a compression bar; 302. a connecting shaft; 303. and (5) a support.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fixed pulley rope anti-drop alarm device, includes workstation 1, and the upper end of workstation 1 is provided with anti-drop device 3, and the internal surface center department of workstation 1 rotates and is connected with fixed pulley 5, and this fixed pulley 5 is the assembly pulley in the prior art, in addition, can be according to actual use demand correspondingly install multiunit pulley in fixed pulley 5 department thereby satisfy its work demand, and the upper surface department of workstation 1 is provided with alarm device 2, and the top of workstation 1 is provided with camera 4;
The alarm device 2 comprises a limiting block 201, the inside of the limiting block 201 is rotationally connected with a rotating block 205, the end part of the rotating block 205 is fixedly connected with a scroll spring 204, the inner cambered surface of the rotating block 205 is fixedly connected with a sliding block 202, the front surface of the sliding block 202 is fixedly connected with a limiting deflector 203, the inner surface of the limiting block 201 is fixedly connected with a trigger switch 207, and the back surface of the trigger switch 207 is fixedly connected with a trigger deflector 206.
Specifically, the front end of the workbench 1 is provided with a rectangular groove, so that the fixed pulley 5 can be accommodated and positioned at the front end of the workbench 1, the upper surface of the workbench 1 is fixedly connected with the limiting block 201 through bolts, the inside of the limiting block 201 is hollow, so that the rotating block 205, the scroll spring 204, the trigger plectrum 206 and the trigger switch 207 are positioned in the limiting block 201, two groups of limiting blocks 201 are symmetrically distributed by taking the central line of the workbench 1 as a symmetrical axis, the adjacent surfaces of the two groups of limiting blocks 201 are respectively provided with a through hole, so that the rotating block 205 can be fixedly connected with the sliding block 202 through a fixed shaft, and the two can coaxially rotate, the lower end of the rotating block 205 is provided with a rectangular bulge, so that the rotating block 205 can push the trigger plectrum 206 to the trigger switch 207 to move when rotating, thereby triggering an alarm, the outer surface of the scroll spring 204 is provided with a cylindrical bulge, therefore, when the fixed pulley is rotated, the fixed pulley is elastically deformed due to contact with the limiting block 201, the bulge of the scroll spring 204 is contacted with the inner wall of the limiting block 201, the outer surface of the trigger pulling piece 206 is contacted with the rotating block 205, the trigger pulling piece 206 is synchronously driven to rotate when the rotating block 205 is rotated, the front surface of the sliding block 202 is provided with a rectangular sliding groove, so that people can synchronously adjust the position of the limit pulling rod 203 when adjusting the position of the fixed pulley 5, one end of the limit pulling rod 203 far away from the sliding block 202 is provided with an arc shape, the probability of scratch damage caused by the contact of the limit pulling rod 203 with a rope can be reduced, the outer surface of the limit pulling rod 203 is provided with two groups of rectangular bulges, the limit pulling rod 203 can be fixedly connected with the upper end trigger switch 207 through the bulges, the trigger switch 207 and the trigger pulling piece 206 are provided with two groups, and the two ends of the limit deflector 203, which are respectively positioned in the limit stopper 201 and on the upper surface of the limit deflector 203, thus the limit deflector 203 can make the trigger switch 207 send abnormal signals when moving in the horizontal or vertical direction, the lower surface of the upper trigger switch 207 is fixedly connected with the limit deflector 203, the outer surface of the upper trigger deflector 206 is contacted with the bottom plate 208, one end of the limit deflector 203, which is close to the bottom plate 208, is fixedly connected with a spring, and the limit deflector 203 can be reset by the elastic force of the spring after moving in the direction of the bottom plate 208.
In the embodiment of the utility model, the anti-falling device 3 comprises a support 303, wherein the inner surface of the support 303 is fixedly connected with a connecting shaft 302, and the outer surface of the connecting shaft 302 is rotatably connected with a compression bar 301.
Specifically, the upper end of the support 303 is arc-shaped, so that the distances between the plurality of groups of connecting shafts 302 and the fixed pulleys 5 are always equal, the support 303 is provided with two groups, the two groups of supports 303 are symmetrically distributed by taking the central line of the workbench 1 as a symmetrical axis, a plurality of groups of penetrating through holes are formed in the inner surface of the support 303, the connecting shafts 302 can be contained and positioned in the support, a group of supports 303 are fixedly connected to the left end and the right end of the connecting shafts 302, the distance between the pressure rods 301 and the fixed pulleys 5 is less than or equal to one third of the diameter of a rope, and therefore the rope does not cause motion obstruction to the pressure rods 301 when slight deviation occurs, and only causes blocking to the rope when the rope is in a falling risk.
When the rope pulling device is in operation (or in use), the rope on the outer surface of the fixed pulley 5 is required to be driven to move through the external driving device, when the rope moves at a high speed to generate a pulling-out risk, the limit deflector 203 is driven to generate a certain degree of vibration, meanwhile, the limit deflector 203 simultaneously drives the sliding block 202 to rotate, when the sliding block 202 rotates, the sliding block 205 is driven to rotate to a certain degree along with the sliding block, at the moment, the sliding block 205 pushes the trigger deflector 206 to move towards the trigger switch 207 in the rotating process, and the trigger switch 207 can be triggered to generate an alarm, and people are reminded of the pulling-out risk of the rope.
Meanwhile, when the rope is at risk of falling out, the rope can move outwards along the inner cambered surface of the fixed pulley 5, at the moment, the rope can contact the compression bar 301, and the compression bar 301 can shield the rope by itself so that the rope can not be fully far away from the fixed pulley 5 all the time, so that the rope can not be fully separated from the fixed pulley 5 all the time in the moving process, and the safety risk caused by falling out of the fixed pulley 5 by the rope is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fixed pulley rope anti-drop alarm device, includes workstation (1), its characterized in that: the upper end of the workbench (1) is provided with an anti-falling device (3), a fixed pulley (5) is rotatably connected to the center of the inner surface of the workbench (1), an alarm device (2) is arranged on the upper surface of the workbench (1), and a camera (4) is arranged above the workbench (1);
Alarm device (2) are including stopper (201), the inside of stopper (201) rotates and is connected with turning block (205), the tip fixedly connected with spiral spring (204) of turning block (205), the intrados department fixedly connected with slider (202) of turning block (205), the preceding fixedly connected with limit deflector rod (203) of slider (202), the internal surface fixedly connected with trigger switch (207) of stopper (201), the back fixedly connected with trigger plectrum (206) of trigger switch (207), the outside fixedly connected with bottom plate (208) of stopper (201).
2. The fixed sheave rope anti-drop alarm device of claim 1, wherein: the anti-falling device (3) comprises a support (303), a connecting shaft (302) is fixedly connected to the inner surface of the support (303), and a pressing rod (301) is rotatably connected to the outer surface of the connecting shaft (302).
3. The fixed sheave rope anti-drop alarm device of claim 1, wherein: rectangular grooves are formed in the front end of the workbench (1), limiting blocks (201) are fixedly connected to the upper surface of the workbench (1) through bolts, and the inside of each limiting block (201) is hollow.
4. The fixed sheave rope anti-drop alarm device of claim 1, wherein: two groups of limiting blocks (201) are arranged, the two groups of limiting blocks (201) are symmetrically distributed by taking the central line of the workbench (1) as a symmetry axis, and through holes are formed in adjacent surfaces of the two groups of limiting blocks (201).
5. The fixed sheave rope anti-drop alarm device of claim 1, wherein: the lower extreme of commentaries on classics piece (205) is provided with the arch of rectangle, the surface of scroll spring (204) is provided with cylindrical arch, the protruding department of scroll spring (204) contacts with stopper (201) inner wall, the surface of trigger plectrum (206) contacts with commentaries on classics piece (205), rectangular spout is seted up to the front surface department of slider (202).
6. The fixed sheave rope anti-drop alarm device of claim 1, wherein: one end that slider (202) was kept away from to spacing driving lever (203) sets up to the arc, the surface department of spacing driving lever (203) is provided with the arch of two sets of rectangles, trigger switch (207) and trigger plectrum (206) are provided with two sets of, and are located the inside of stopper (201) and the upper surface of spacing driving lever (203) respectively, the upper end the lower surface and spacing driving lever (203) fixed connection of trigger switch (207), the upper end the surface contact of trigger plectrum (206) has bottom plate (208), the one end fixedly connected with spring that is close to bottom plate (208) of spacing driving lever (203).
7. The fixed sheave rope anti-drop alarm device of claim 2, wherein: the upper end of the support (303) is arc-shaped, two groups of supports (303) are arranged, and the two groups of supports (303) are symmetrically distributed by taking the central line of the workbench (1) as a symmetrical axis.
8. The fixed sheave rope anti-drop alarm device of claim 2, wherein: the inner surface of the support (303) is provided with a plurality of groups of through holes which penetrate, a group of supports (303) are fixedly connected to the left end and the right end of the connecting shaft (302), and the distance between the pressure rod (301) and the fixed pulley (5) is smaller than or equal to one third of the diameter of the rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323066550.7U CN220933607U (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323066550.7U CN220933607U (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933607U true CN220933607U (en) | 2024-05-10 |
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ID=90964812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323066550.7U Active CN220933607U (en) | 2023-11-13 | 2023-11-13 | Fixed pulley rope anti-drop alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933607U (en) |
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2023
- 2023-11-13 CN CN202323066550.7U patent/CN220933607U/en active Active
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