CN210176404U - Safety cage of hoisting machinery - Google Patents
Safety cage of hoisting machinery Download PDFInfo
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- CN210176404U CN210176404U CN201920741217.6U CN201920741217U CN210176404U CN 210176404 U CN210176404 U CN 210176404U CN 201920741217 U CN201920741217 U CN 201920741217U CN 210176404 U CN210176404 U CN 210176404U
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- steel wire
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Abstract
The utility model discloses a hoisting machinery safety cage, which comprises a double-winch hoisting mechanism, a pulley bracket, a cage and a steel wire rope, wherein the double-winch hoisting mechanism comprises a speed reducer and a duplex winding drum, and the speed reducer controls the duplex winding drum to be synchronous through the double output of the speed reducer or the transmission of an open gear; the pulley support is fixed at the top of the suspension cage and comprises an upper layer support and a lower layer support, the lifting movable pulley blocks are arranged at four corners of the lower layer support, and the safety movable pulley blocks are arranged at four corners of the upper layer support; the double-winding drum adopts a double-rope-outlet scheme, a group of winding drum double-rope-outlet steel wire ropes penetrate through the lifting movable pulley block, the other group of winding drum double-rope-outlet steel wire ropes penetrate through the safety movable pulley block, and all the steel wire ropes are synchronously controlled by the double-winding lifting mechanism and the double-winding drum. The utility model discloses two sets of reel wire rope each other are the safety rope, have greatly improved the security of cage, provide the guarantee for overhauing maintenance and equipment safety.
Description
Technical Field
The utility model relates to a hoisting machinery safety cage belongs to hoist technical field.
Background
At present, a hoisting mechanical cage is mostly a single-rope system, and a safety catcher is configured to implement safety protection. Once the steel wire rope is broken or out of control, the safety rope can only be clamped by the falling protector to wait for air rescue. Potential safety hazards exist in special occasions such as hoisting of some precision equipment and emergency operation. In the shaft construction process, the downward detection depth of the hoisting machinery is continuously increased, the fixed position of the safety rope needs to be continuously adjusted, and uncertain factors are brought to construction safety.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, a hoisting machinery cage that has multiple safety protection system is provided.
In order to solve the technical problem, the utility model provides a hoisting machinery safety cage, which comprises a double-hoisting mechanism, a pulley bracket, a cage and a steel wire rope, wherein the double-hoisting mechanism comprises a speed reducer and a duplex winding drum, and the speed reducer controls the duplex winding drum to be synchronous through double output of the speed reducer or open gear transmission; the pulley support is fixed at the top of the suspension cage and comprises an upper layer support and a lower layer support, the lifting movable pulley blocks are arranged at four corners of the lower layer support, and the safety movable pulley blocks are arranged at four corners of the upper layer support; the double-winding drum adopts a double-rope-outlet scheme, a group of winding drum double-rope-outlet steel wire ropes penetrate through the lifting movable pulley block, the other group of winding drum double-rope-outlet steel wire ropes penetrate through the safety movable pulley block, and all the steel wire ropes are synchronously controlled by the double-winding lifting mechanism and the double-winding drum.
The steel wire ropes are symmetrically arranged and kept in a vertical state in the lifting process.
The upper layer support and the lower layer support are elastically connected through two side adjusting tension springs.
The suspension cage is an independent component.
Has the advantages that: the utility model relates to a hoisting machinery safety cage, two sets of reel wire rope all satisfy the hoisting machinery standard, and each other is the safety rope, has greatly improved the security of cage. When an accident happens, any one set of the hoisting steel wire ropes can be used as a hoisting steel wire rope to lift the suspension cage to a safe working surface, so that the maintenance and equipment safety are guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the pulley bracket of the present invention;
FIG. 3 is a schematic view of the assembly of the present invention;
fig. 4 is the rope winding schematic diagram of the lifting safety system of the utility model.
In the figure: 1 double-winding lifting mechanism, 2 double-winding drum, 3 pulley supports, 4 suspension cages, 5 steel wire ropes, 6 adjusting tension springs, 7 lifting movable pulley blocks, 8 safety movable pulley blocks, 31 upper layer supports and 32 lower layers.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the assembly of the present invention.
The utility model provides a hoisting machinery cage that has multiple safety protection system, including two hoist hoisting mechanism 1, pulley support 3, cage 4 and wire rope 5.
The double-winch hoisting mechanism 1 comprises a speed reducer and a duplex winding drum 2, and the speed reducer controls the duplex winding drum 2 to be synchronous through the transmission of double outputs of the speed reducer or an open gear.
Fig. 2 is a schematic structural view of the pulley bracket of the present invention.
The pulley support 3 is fixed on the top of the suspension cage 4 and comprises an upper layer support 31 and a lower layer support 32, the lifting movable pulley blocks 7 are arranged at four corners of the lower layer support 32, the safety movable pulley blocks 8 are arranged at four corners of the upper layer support 31, and upper and lower layers of structures of the pulley support are not interfered with each other during normal work and are synchronously controlled by a double-winch lifting mechanism.
Fig. 4 shows a schematic diagram of a rope winding of a lifting safety system of the present invention.
The duplex winding drum 2 adopts a double-rope-outlet scheme and is matched with the pulley bracket 3 and the steel wire rope 5, one group of winding drum double-rope-outlet steel wire ropes 5 penetrate through the lifting movable pulley block 7, the other group of winding drum double-rope-outlet steel wire ropes 5 penetrate through the safety movable pulley block 8, and each steel wire rope 5 is synchronously controlled by the double-winch lifting mechanism 1 and the duplex winding drum 2; the double-winch hoisting mechanism comprises four steel wire ropes, each steel wire rope is an independent bearing unit, and the lifting of the cage cannot be influenced after any one steel wire rope is broken.
The steel wire ropes 5 are symmetrically arranged and kept in a vertical state in the lifting process, so that the balance and stability of the suspension cage in the lifting and descending processes are ensured.
The upper layer bracket 31 and the lower layer bracket 32 are elastically connected through the two side adjusting tension springs 6, when the relative positions of the brackets have small deviation, the load distribution is adjusted through the tension springs 6, the two layers of brackets are kept to be stressed in a coordinated manner, and a buffer protection effect is achieved when a single steel wire rope is broken; when the two layers of supports are asynchronous due to the fact that the steel wire rope is broken, and when the relative displacement is large, after the distance between the upper layer of support 3.1 and the lower layer of support 3.2 reaches the limit, the two layers of supports are connected into a whole in a limiting mode through a mechanical structure, and the overall safety of the cage system is guaranteed.
The suspension cage 4 is an independent component, can be manufactured independently according to different requirements of customers, is separated from the pulley bracket 3 without mutual influence, and improves the application range of the suspension cage system.
In the normal use process, the hoisting winch and the safety winch are elastically regulated by the tension spring 6 of the pulley bracket, are coordinated to bear force, are mutually safe and protect, and improve the working reliability of the cage. When a certain steel wire rope is suddenly broken, the lifting cage can still realize the lifting and descending actions, and the safety of lifting goods in the construction operation process is guaranteed.
The double-winch hoisting mechanism 1 is a hoisting machinery safety cage, adopts one set of power system, two sets of reel steel wire ropes both meet the hoisting machinery standard and are safe ropes each other, and two sets of hoisting mechanisms are power and safety protection devices each other. Through the transmission control of double outputs of the speed reducer or the open gear, the two sets of windlasses synchronously rise or fall, the hoisting winding drum and the safety winding drum keep consistent in action, and the safety of the hoisting cage 4 is protected in a multiple mode. When one group of reel steel wire ropes are broken, the upper layer structure and the lower layer structure of the pulley support are separated to a limit distance and then are connected into a whole, and the other group of reel steel wire ropes bear the load of the suspension cage. The pulley support is provided with an adjusting tension spring, so that the buffer balance effect is achieved in the lifting process, the two sets of systems are guaranteed to be evenly stressed, and the steel wire ropes are arranged on the winding drum in order.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (4)
1. The utility model provides a hoisting machinery safety cage which characterized in that: the double-winch hoisting mechanism (1) comprises a speed reducer and a duplex winding drum (2), and the speed reducer controls the duplex winding drum (2) to be synchronous through double output of the speed reducer or open gear transmission; the pulley support (3) is fixed at the top of the suspension cage (4) and comprises an upper layer support (31) and a lower layer support (32), the lifting movable pulley blocks (7) are arranged at four corners of the lower layer support (32), and the safety movable pulley blocks (8) are arranged at four corners of the upper layer support (31); the duplex winding drum (2) adopts a double-rope-outlet scheme, a group of winding drum double-rope-outlet steel wire ropes (5) penetrate through a lifting movable pulley block (7), the other group of winding drum double-rope-outlet steel wire ropes (5) penetrate through a safety movable pulley block (8), and all the steel wire ropes (5) are synchronously controlled through a double-winch lifting mechanism (1) and the duplex winding drum (2).
2. The hoisting machinery safety cage of claim 1, wherein: the steel wire ropes (5) are symmetrically arranged and kept in a vertical state in the lifting process.
3. The hoisting machinery safety cage of claim 1, wherein: the upper layer bracket (31) and the lower layer bracket (32) are elastically connected through two side adjusting tension springs (6).
4. A hoisting machinery safety cage according to claim 1, 2 or 3, characterized in that: the suspension cage (4) is an independent component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920741217.6U CN210176404U (en) | 2019-05-22 | 2019-05-22 | Safety cage of hoisting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920741217.6U CN210176404U (en) | 2019-05-22 | 2019-05-22 | Safety cage of hoisting machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210176404U true CN210176404U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920741217.6U Active CN210176404U (en) | 2019-05-22 | 2019-05-22 | Safety cage of hoisting machinery |
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| Country | Link |
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| CN (1) | CN210176404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027968A (en) * | 2020-08-31 | 2020-12-04 | 国网河南省电力公司西峡县供电公司 | Lifting platform for transformer substation maintenance |
-
2019
- 2019-05-22 CN CN201920741217.6U patent/CN210176404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027968A (en) * | 2020-08-31 | 2020-12-04 | 国网河南省电力公司西峡县供电公司 | Lifting platform for transformer substation maintenance |
| CN112027968B (en) * | 2020-08-31 | 2022-04-05 | 国网河南省电力公司西峡县供电公司 | Lifting platform for transformer substation maintenance |
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