CN216384095U - Three-steel-wire anti-falling heavy lamp lifter - Google Patents
Three-steel-wire anti-falling heavy lamp lifter Download PDFInfo
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- CN216384095U CN216384095U CN202123340178.5U CN202123340178U CN216384095U CN 216384095 U CN216384095 U CN 216384095U CN 202123340178 U CN202123340178 U CN 202123340178U CN 216384095 U CN216384095 U CN 216384095U
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Abstract
The utility model discloses a three-steel-wire anti-falling heavy lamp lifter, which comprises: a riser housing; a double-steel-wire lifting assembly is arranged in the lifter shell; the double-steel-wire lifting assembly is provided with double steel wire ropes, and the tail ends of the double steel wire ropes are fixedly connected with a lifting sling; the inner side of the left end of the lifter shell is fixedly connected with connecting side plates, the connecting side plates are arranged in pairs left and right, a winding wheel is rotatably connected between the connecting side plates, and the anti-falling steel wire rope is wound on the winding wheel. When the double steel wire ropes are disconnected to cause the lifting sling to instantly accelerate to descend, the anti-falling steel wire ropes instantly increase the pulling speed along with the anti-falling steel wire ropes, slide through the cross shaft, the double-side pawls collide with the double-side pawls, the double-side pawls are propped against the double sides by the rebound force of the tension springs and clamped into the clamping grooves of the double-side pawls, so that the winding wheels are braked, the stretching length of the anti-falling steel wire ropes is fixed, the lifting sling is fixed at the corresponding height, and the anti-falling is realized.
Description
Technical Field
The utility model relates to the technical field of heavy-duty lamp lifters, in particular to a three-steel-wire anti-falling heavy-duty lamp lifter.
Background
When the height of a general heavy lamp needs to be adjusted, the lifting is controlled through the arranged lifter, the general lifting process mainly depends on steel wire hanging connection, and in the prior art, the stable hanging connection mode is double-steel-wire hanging connection, but because the weight of some lamps is heavy, the lamp can fall once the double steel wires are disconnected after the lifter is used for a long time, the lamp is damaged, and meanwhile, danger is brought to personnel in the lighting environment of the lamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-steel-wire anti-falling heavy lamp lifter to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a three-wire anti-falling heavy lamp lifter comprises: a riser housing; a double-steel-wire lifting assembly is arranged in the lifter shell; the double-steel-wire lifting assembly is provided with double steel wire ropes, the double steel wire ropes penetrate out of the bottom of the lifter shell, and the tail ends of the double steel wire ropes are fixedly connected with a lifting hanger; the inner side of the left end of the lifter shell is fixedly connected with connecting side plates, the connecting side plates are arranged in pairs left and right, a winding wheel is rotatably connected between the connecting side plates, the anti-falling steel wire rope is wound on the winding wheel, a guide hole is formed in the lifter shell below the position of the connecting side plates, the tail end of the anti-falling steel wire rope penetrates through the guide hole, the tail end of the anti-falling steel wire rope is connected to the lower side of the lifting sling, and a coil spring is connected between the rotating end of the winding wheel and the connecting side plates; the winding wheel with connect between the curb plate and prevent weighing down the mechanism, prevent weighing down the mechanism and include: the ratchet wheel is arranged on the two sides of the ratchet wheel; the double-side ratchet wheel is coaxially connected to the rotating end of the winding wheel; the double-side pawl is arranged on the lower side of the double-side ratchet wheel, the transverse shaft is transversely and rotatably connected between the connecting side plates, the transverse shaft is arranged on the upper side of the guide hole, and the anti-falling steel wire rope is abutted against the outer wall of the transverse shaft; the bilateral pawl is fixedly connected with the rotating end of the transverse shaft; the tension spring is connected between the bilateral pawl and the connecting side plate.
Preferably, the outer wall of the transverse shaft is provided with anti-slip grooves at equal intervals.
Preferably, balls are movably embedded around the inner wall of the guide hole at equal intervals.
Preferably, there is a mounting space between the rotating end of the winding wheel and the connecting side plate.
Preferably, the connecting side plate is fixedly connected to the lifter shell through a screw and is fixedly connected with the double-steel-wire lifting assembly.
Preferably, the connecting side plate is a metal steel plate.
Compared with the prior art, the utility model has the beneficial effects that:
when the lifting sling slowly descends under the action of the double steel wire ropes, the anti-falling steel wire ropes are slowly pulled out of the winding wheels under the pull-down action of the lifting sling, and in the process, the anti-falling steel wire ropes slide through the cross shafts, the cross shafts brake the anti-falling steel wire ropes, the cross shafts drive the double-side pawls to rotate away from the double-side ratchet wheels under the action of the braking force, when the lifting sling is instantly accelerated to descend due to the fact that the double steel wire ropes are disconnected, the anti-falling steel wire ropes increase the pull-down speed instantly, slide through the cross shafts, the double-side pawls collide with the double-side pawls, the double-side pawls are propped against the double sides by the rebound force of the tension springs and clamped into clamping grooves of the double-side pawls, braking is achieved for the winding wheels, the tensile length of the anti-falling steel wire ropes is fixed, the lifting sling is fixed at the corresponding height, and anti-falling is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of a three-wire anti-falling heavy-duty lamp lifter of the utility model;
FIG. 2 is a structural diagram of the cooperative connection of an anti-falling steel wire rope, a double-side ratchet wheel, a double-side pawl and a winding wheel in the three-steel-wire anti-falling heavy-duty lamp lifter of the utility model;
FIG. 3 is a top view structural diagram of the matching connection of the winding wheel and the connecting side plate in the three-wire anti-falling heavy duty lamp lifter of the utility model.
In the figure: 1. a riser housing; 2. a double-wire lifting assembly; 3. lifting the lifting tool; 4. a double wire rope; 5. an anti-falling steel wire rope; 6. connecting the side plates; 7. a winding wheel; 8. bilateral ratchet wheels; 9. a double-sided pawl; 10. a tension spring; 11. a horizontal axis; 12. a coil spring; 13. a guide hole; 14. and a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a three-wire anti-falling heavy lamp lifter comprises: a lifter case 1; a double-steel-wire lifting assembly 2 is arranged in the lifter shell 1, the double-steel-wire lifting assembly 2 is a means in the prior art, and a driving motor is used for driving and winding correspondingly connected steel wires to realize a lifting function; the double-steel-wire lifting assembly 2 is provided with double steel wire ropes 4 in a matching mode, the double steel wire ropes 4 penetrate out of the bottom of the lifter shell 1, the tail ends of the double steel wire ropes 4 are fixedly connected with lifting hangers 3, the lifting hangers 3 are used for hanging and connecting corresponding heavy lamps, and then the double steel wire ropes 4 are collected and released by the double steel wire lifting assembly 2 to achieve a lifting function; the inner side of the left end of the lifter shell 1 is fixedly connected with a connecting side plate 6, the left and the right of the connecting side plate 6 are paired and fixedly connected, a winding wheel 7 is rotatably connected between the connecting side plates 6, an anti-falling steel wire rope 5 is wound on the winding wheel 7, a guide hole 13 is arranged at the lifter shell 1 below the position of the connecting side plate 6, the tail end of the anti-falling steel wire rope 5 passes through the guide hole 13, the tail end of the anti-falling steel wire rope 5 is connected to the lower side of the lifting sling 3, a coil spring 12 is connected between the rotating end of the winding wheel 7 and the connecting side plate 6, when the double-steel wire lifting assembly 2 releases the wound double-steel wire rope 4, a heavy lamp hung on the lower side of the lifting sling 3 descends by gravity, the anti-falling steel wire rope 5 is pulled down, the anti-falling steel wire rope 5 is released from the winding wheel 7, the winding wheel 7 rotates the coil spring 12 to generate resilience force, and when the double-steel wire rope 4 of the double-steel wire lifting assembly 2 is wound, when the lifting sling 3 is lifted, the anti-falling steel wire rope 5 is loosened, and at the moment, the coil spring 12 enables the winding wheel 7 to rotate to rewind the anti-falling steel wire rope 5; connect between 7 coiling wheels and the connection curb plate 6 and prevent weighing down the mechanism, prevent weighing down the mechanism and include: the double-side ratchet 8, the double-side pawl 9, the cross shaft 11 and the tension spring 10; the double-side ratchet wheel 8 is coaxially connected to the rotating end of the winding wheel 7; the double-side pawl 9 is arranged on the lower side of the double-side ratchet wheel 8, the transverse shaft 11 is transversely and rotatably connected between the connecting side plates 6, the transverse shaft 11 is arranged on the upper side of the guide hole 13, and the anti-falling steel wire rope 5 abuts against the outer wall of the transverse shaft 11; the double-side pawl 9 is fixed at the rotating end of the connecting shaft cross shaft 11; a tension spring 10 is connected between the double-sided pawl 9 and the connecting side plate 6.
When the lifting sling 3 slowly descends under the action of the double steel wire ropes 4, the anti-falling steel wire ropes 5 are slowly pulled out from the winding wheels 7 under the action of the pulling-down action of the lifting sling 3, in the process, the anti-falling steel wire ropes 5 slide through the transverse shafts 11, the transverse shafts 11 generate braking action on the anti-falling steel wire ropes 5, the transverse shafts 11 drive the double-side pawls 9 to rotate away from the double-side ratchet wheels 8 under the action of braking force, when the lifting sling 3 is instantly accelerated and descends due to the disconnection of the double steel wire ropes 4, the anti-falling steel wire ropes 5 instantly increase the pulling-down speed along with the increase of the pulling-down speed, slide through the transverse shafts 11, brake and slide at the moment, the double-side pawls 9 collide with the double-side ratchet wheels 8, the double-side pawls 9 prop against the double-side ratchet wheels 8 by the rebound force of the tension springs 10 and are clamped into clamping grooves of the double-side ratchet wheels 8, so that the tensile length of the anti-falling steel wire ropes 5 is fixed, the lifting sling 3 is fixed at a corresponding height to realize anti-falling.
Anti-skidding grooves are formed in the outer wall of the cross shaft 11 in an encircling and equidistant mode and are used for increasing the friction force of the outer wall of the cross shaft 11, and the cross shaft 11 can conveniently brake sliding through the anti-falling steel wire rope 5.
The balls 14 are movably embedded on the inner wall of the guide hole 13 at equal intervals, and the balls 14 facilitate the falling-preventing steel wire rope 5 to slide through the guide hole 13.
And an installation space exists between the rotating end of the winding wheel 7 and the connecting side plate 6, so that the double-side ratchet wheel 8 and the coil spring 12 are convenient to install.
Connect curb plate 6 through screw fixed connection to on riser casing 1 to with two steel wire lifting unit 2 fixed connection, make things convenient for reinforced structure, conveniently carry out the dismouting simultaneously and handle.
The connecting side plate 6 is made of a metal steel plate and is firmly connected with the double-steel-wire lifting assembly 2, so that the upper part and the lower part of the lifter shell 1 are conveniently reinforced and supported.
The working principle is as follows: when the double-steel-wire lifting assembly 2 of the utility model releases the double-steel-wire rope 4 for winding, the heavy lamp hung on the lower side of the lifting sling 3 descends by means of gravity, and the anti-falling steel wire rope 5 is pulled down, the anti-falling steel wire rope 5 is released from the winding wheel 7, meanwhile, the winding wheel 7 rotates the winding coil spring 12 to generate resilience force, and when the double-steel-wire lifting assembly 2 winds the double-steel-wire rope 4 and lifts the lifting sling 3, the anti-falling steel wire rope 5 is loosened, at the moment, the coil spring 12 enables the winding wheel 7 to rotate, and the anti-falling steel wire rope 5 is wound again; when the lifting sling 3 slowly descends under the action of the double steel wire ropes 4, the anti-falling steel wire ropes 5 are slowly pulled out from the winding wheels 7 under the action of the pulling-down action of the lifting sling 3, in the process, the anti-falling steel wire ropes 5 slide through the transverse shafts 11, the transverse shafts 11 generate braking action on the anti-falling steel wire ropes 5, the transverse shafts 11 drive the double-side pawls 9 to rotate away from the double-side ratchet wheels 8 under the action of the coil springs 12, when the lifting sling 3 is instantly accelerated and descends due to the disconnection of the double steel wire ropes 4, the anti-falling steel wire ropes 5 instantly increase the pulling-down speed, namely the descending speed is higher than the braking speed, the double-side pawls 9 collide with the double-side ratchet wheels 8 at the moment, the double-side pawls 9 are propped against the double-side ratchet wheels 8 by the rebound force of the tension springs 10 and are clamped into the clamping grooves of the double-side pawls 8, so that the winding wheels 7 are quickly braked, and the tensile length of the anti-falling steel wire ropes 5 is fixed, the lifting sling 3 is fixed at a corresponding height to realize anti-falling, after the double steel wire ropes 4 are overhauled and are connected with the lifting sling 3 again, the double-side pawl 9 and the double-side ratchet wheel 8 are automatically separated under the action of the resilience force of the coil spring 12, and the anti-falling mechanism returns to a normal working state.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. A three-wire anti-falling heavy lamp lifter comprises: a lifter case (1); a double-steel-wire lifting assembly (2) is arranged in the lifter shell (1); the double-steel-wire lifting assembly (2) is provided with double steel wire ropes (4), the double steel wire ropes (4) penetrate out of the bottom of the lifter shell (1), and the tail ends of the double steel wire ropes (4) are fixedly connected with a lifting sling (3); the method is characterized in that: the inner side of the left end of the lifter shell (1) is fixedly connected with a connecting side plate (6), the connecting side plates (6) are arranged in pairs from left to right, a winding wheel (7) is rotatably connected between the connecting side plates (6), an anti-falling steel wire rope (5) is wound on the winding wheel (7), a guide hole (13) is formed in the lifter shell (1) below the position of the connecting side plate (6), the tail end of the anti-falling steel wire rope (5) penetrates through the guide hole (13), the tail end of the anti-falling steel wire rope (5) is connected to the lower side of the lifting sling (3), and a coil spring (12) is connected between the rotating end of the winding wheel (7) and the connecting side plate (6); coiling wheel (7) with connect between curb plate (6) and prevent weighing down the mechanism, prevent weighing down the mechanism and include: a bilateral ratchet wheel (8), a bilateral pawl (9), a transverse shaft (11) and a tension spring (10); the double-side ratchet wheel (8) is coaxially connected to the rotating end of the winding wheel (7); the double-side pawl (9) is arranged on the lower side of the double-side ratchet wheel (8), the transverse shaft (11) is transversely and rotatably connected between the connecting side plates (6), the transverse shaft (11) is arranged on the upper side of the guide hole (13), and the anti-falling steel wire rope (5) is abutted against the outer wall of the transverse shaft (11); the double-side pawl (9) is fixedly connected with the rotating end of the transverse shaft (11); the tension spring (10) is connected between the bilateral pawl (9) and the connecting side plate (6).
2. The three-wire anti-falling heavy-duty lamp lifter according to claim 1, characterized in that: the outer wall of the transverse shaft (11) is provided with anti-slip grooves at equal intervals.
3. The three-wire anti-falling heavy-duty lamp lifter according to claim 1, characterized in that: balls (14) are movably embedded on the inner wall of the guide hole (13) in an encircling equidistant manner.
4. The three-wire anti-falling heavy-duty lamp lifter according to claim 1, characterized in that: and an installation space exists between the rotating end of the winding wheel (7) and the connecting side plate (6).
5. The three-wire anti-falling heavy-duty lamp lifter according to claim 1, characterized in that: the connecting side plate (6) is fixedly connected to the lifter shell (1) through screws and firmly connected with the double-steel-wire lifting assembly (2).
6. The three-wire anti-falling heavy-duty lamp lifter according to claim 1, characterized in that: the connecting side plate (6) is a metal steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340178.5U CN216384095U (en) | 2021-12-28 | 2021-12-28 | Three-steel-wire anti-falling heavy lamp lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340178.5U CN216384095U (en) | 2021-12-28 | 2021-12-28 | Three-steel-wire anti-falling heavy lamp lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384095U true CN216384095U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340178.5U Active CN216384095U (en) | 2021-12-28 | 2021-12-28 | Three-steel-wire anti-falling heavy lamp lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216384095U (en) |
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2021
- 2021-12-28 CN CN202123340178.5U patent/CN216384095U/en active Active
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