CN212292400U - Roof-caving prevention device of construction elevator - Google Patents

Roof-caving prevention device of construction elevator Download PDF

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Publication number
CN212292400U
CN212292400U CN202020617627.2U CN202020617627U CN212292400U CN 212292400 U CN212292400 U CN 212292400U CN 202020617627 U CN202020617627 U CN 202020617627U CN 212292400 U CN212292400 U CN 212292400U
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CN
China
Prior art keywords
cage
buffer
fixed frame
blocking mechanism
infrared distance
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Expired - Fee Related
Application number
CN202020617627.2U
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Chinese (zh)
Inventor
冯志涛
娄志豪
任法伟
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Zhengzhou Hongtai Construction Equipment Leasing Co ltd
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Zhengzhou Hongtai Construction Equipment Leasing Co ltd
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Priority to CN202020617627.2U priority Critical patent/CN212292400U/en
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Publication of CN212292400U publication Critical patent/CN212292400U/en
Expired - Fee Related legal-status Critical Current
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  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The utility model discloses an anti-top-caving device of a construction elevator, which comprises a fixed frame, a blocking mechanism, a buffer mechanism, an infrared distance meter and a suspension cage; fixing a frame: the fixed frame is provided with a guide rail, the lower surface of the fixed frame is provided with a bottom plate, and the bottom plate is provided with buffer columns in a distributed manner; a blocking mechanism: the blocking mechanism is arranged on the side surface of the upper end of the fixed frame; a buffer mechanism: the buffer mechanism is assembled on the blocking mechanism; infrared distance measuring instrument: the infrared distance meter is arranged on the upper surface of the bottom plate and is positioned in the middle of the buffer column; hoisting a cage: the cage is installed on the guide rail, and the upper surface of cage is equipped with powerful magnet, and this construction elevator prevent the roof fall device, and the cost is low, and the maintenance of being convenient for can prevent effectively that the lift from taking place the roof fall phenomenon, improves the safety in utilization.

Description

Roof-caving prevention device of construction elevator
Technical Field
The utility model relates to a lift technical field specifically is a construction elevator prevents caving in device.
Background
At present, an elevator is a large-scale device essential for realizing vertical transportation of people and goods in high-rise building construction, the working environment of most construction elevators is severe, potential safety hazards are high, elevator accidents are caused by roof fall of the elevator, and the consequences are that a cage falls or falls over due to roof fall, and people are damaged. Traditional construction elevator safety device, through elevation stopper top impact elevation limit switch, or directly strike main power source switch, cut off main motor power to realize the braking and stop, nevertheless because operational environment is open-air, many dust, limit switch is the easy corrosion and is malfunctioning, because strike repeatedly for a long time, causes limit switch and hits the wearing and tearing of piece contact surface, or the bolt of fixed limit device is not hard up, thereby leads to limit switch action unreliable, causes the accident.
When some existing anti-top-falling devices work, due to the fact that an upper limit switch frequently acts and acts for a long time, switch failure is caused, when a lift is installed and erected, collision blocks of the upper limit switch and the upper limit switch need to be frequently disassembled and assembled, the situation that the lift is manually operated in a state that the position of the collision blocks is deviated or a driver cannot see the top of the lift in a suspension cage can occur, and the top-falling phenomenon of the lift cannot be effectively prevented.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a construction elevator prevent roof fall device, the cost is low, is convenient for maintain, can prevent effectively that the lift from taking place the roof fall phenomenon, improves the safety in utilization, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-top-caving device of a construction elevator comprises a fixed frame, a blocking mechanism, a buffering mechanism, an infrared distance meter and a suspension cage;
fixing a frame: the fixed frame is provided with a guide rail, the lower surface of the fixed frame is provided with a bottom plate, and the bottom plate is provided with buffer columns in a distributed manner;
a blocking mechanism: the blocking mechanism is arranged on the side surface of the upper end of the fixed frame;
a buffer mechanism: the buffer mechanism is assembled on the blocking mechanism;
infrared distance measuring instrument: the infrared distance meter is arranged on the upper surface of the bottom plate and is positioned in the middle of the buffer column;
hoisting a cage: the suspension cage is arranged on the guide rail, the upper surface of the suspension cage is provided with a strong magnet, and the suspension cage is arranged corresponding to the buffer column;
wherein: the input end of the infrared distance meter is electrically connected with the output end of the external controller.
Further, stop mechanism includes tripod and connecting plate, and the tripod symmetry is provided with two, and installs in the left and right sides of mount surperficial upper end, and the left and right sides surface and two tripods of connecting plate are connected, and the tripod has stronger shock resistance and anti deformability, and the connecting plate can increase structural strength, increase of service life, and the tripod can be spacing to the cage, effectively prevents that the cage from taking place to roof fall.
Furthermore, buffer gear includes spring, spacing ring and T type post, and the spacing ring assembly is in the upper end of T type post, and in the slide opening of T type post assembly on the connecting plate, the spring cup joints on T type post, and the both ends of spring are connected with the lower extreme and the connecting plate of T type post respectively, and the cage is when rising, can contact the lower extreme of T type post, makes T type post along the slide opening rebound of connecting plate to the spring can absorb the impulsive force and contract, can carry on spacingly to the cage, effectively prevents that the cage from taking place to roof fall.
Furthermore, the lifting cage further comprises an electromagnet, the electromagnet is installed on the lower surface of the connecting plate and corresponds to the powerful magnet, the input end of the electromagnet is electrically connected with the output end of the external controller, the electromagnet generates magnetism after being electrified, the magnetism on the electromagnet is the same as that of the powerful magnet, the lifting cage can be limited, the lifting cage and the connecting plate keep a certain distance, and the lifting cage is effectively prevented from being jacked.
Compared with the prior art, the beneficial effects of the utility model are that: this construction elevator's anti-counterfeiting top installation has following benefit:
1. the infrared distance measuring instrument can measure the distance from the ground to the cage in real time, know the ascending length of the cage all the time, and ensure the use safety of the cage;
2. when the cage rises, the lower end of the T-shaped column can be contacted before the cage is possibly contacted with the tripod, so that the T-shaped column moves upwards along the slide hole of the connecting plate, and the spring can absorb impact force to contract, so that the cage can be limited, and the cage is effectively prevented from roof fall;
3. the electromagnet is opened by the external controller, the electromagnet generates magnetism after being electrified, the magnetism on the electromagnet is the same as that of the powerful magnet, the lifting of the suspension cage can be limited, the suspension cage and the connecting plate are kept at a certain distance, and the suspension cage is effectively prevented from being jacked.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the bottom view structure of the present invention;
fig. 3 is an enlarged schematic view of part a of the present invention.
In the figure: the device comprises a fixing frame 1, a guide rail 2, a blocking mechanism 3, a tripod 301, a connecting plate 302, an electromagnet 4, a powerful magnet 5, a buffer column 6, an infrared distance meter 7, a bottom plate 8, a suspension cage 9, a buffer mechanism 10, a spring 1001, a spacing ring 1002 and a T-shaped column 1003.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an anti-top-caving device of a construction elevator comprises a fixed frame 1, a blocking mechanism 3, a buffer mechanism 10, an infrared distance meter 7 and a suspension cage 9;
fixing frame 1: the fixed frame 1 is provided with a guide rail 2, the lower surface of the fixed frame 1 is provided with a bottom plate 8, the bottom plate 8 is provided with buffer columns 6 in a distributed mode, and the buffer columns 6 buffer the descending of the suspension cage 9;
the blocking mechanism 3: the blocking mechanism 3 is arranged on the side surface of the upper end of the fixed frame 1;
the damper mechanism 10: the buffer mechanism 10 is assembled on the blocking mechanism 3;
infrared range finder 7: the infrared distance measuring instrument 7 is arranged on the upper surface of the bottom plate 8 and is positioned in the middle of the buffer column 6, the infrared distance measuring instrument 7 can measure the distance from the ground to the suspension cage 9 in real time, the number of meters of the suspension cage 9 which rises is known at any time, and the use safety of the suspension cage 9 is ensured;
a suspension cage 9: the suspension cage 9 is arranged on the guide rail 2, the powerful magnet 5 is arranged on the upper surface of the suspension cage 9, the suspension cage 9 is arranged corresponding to the buffer column 6, and the suspension cage 9 can ascend along the guide rail 2;
wherein: the input end of the infrared distance meter 7 is electrically connected with the output end of the external controller.
The blocking mechanism 3 comprises a tripod 301 and a connecting plate 302, the tripod 301 is symmetrically provided with two parts and is arranged at the upper end of the left surface and the right surface of the fixing frame 1, the left surface and the right surface of the connecting plate 302 are connected with the two tripods 301, the tripod 301 has stronger impact resistance and deformation resistance, the connecting plate 302 can increase the structural strength and prolong the service life, the tripod 301 can limit the suspension cage 9, and the suspension cage 9 is effectively prevented from roof fall.
The buffer mechanism 10 comprises a spring 1001, a limiting ring 1002 and a T-shaped column 1003, the limiting ring 1002 is assembled at the upper end of the T-shaped column 1003, the T-shaped column 1003 is assembled in a slide hole in a connecting plate 302, the spring 1001 is sleeved on the T-shaped column 1003, two ends of the spring 1001 are respectively connected with the lower end of the T-shaped column 1003 and the connecting plate 302, when the suspension cage 9 rises, the suspension cage can contact the lower end of the T-shaped column 1003, the T-shaped column 1003 moves upwards along the slide hole of the connecting plate 302, the spring 1001 can absorb impact force to contract, the suspension cage 9 can be limited, and the suspension cage 9 is effectively prevented from roof collapse.
Still include electro-magnet 4, electro-magnet 4 installs the lower surface at connecting plate 302, and corresponds the setting with powerful magnet 5, and the input of electro-magnet 4 is connected with external control ware's output electricity, and electro-magnet 4 produces magnetism after the circular telegram, and magnetism on the electro-magnet 4 is the same with powerful magnet 5's magnetism, can carry on spacingly to the rising of cage 9, makes cage 9 and connecting plate 302 keep certain distance, prevents effectively that cage 9 from taking place to roof fall.
When in use: the lifting cage 9 is connected with an external controller, and when the lifting cage 9 works, the lifting cage ascends and descends along the guide rail 2, the infrared distance measuring instrument 7 can measure the distance from the ground to the lifting cage 9 in real time, and the number of meters of the lifting cage 9 is known at all times, so that the use safety of the lifting cage 9 is ensured;
when the lifting height of the cage 9 is larger than the set length of the infrared distance meter 7, the infrared distance meter 7 transmits a signal to an external controller, and the external controller emergently controls a main motor power supply of the cage 9 to realize braking and stop;
meanwhile, the electromagnet 4 is turned on by an external controller, magnetism is generated after the electromagnet 4 is electrified, the magnetism on the electromagnet 4 is the same as that of the strong magnet 5, the lifting of the suspension cage 9 can be limited, the suspension cage 9 and the connecting plate 302 keep a certain distance, and the suspension cage 9 is effectively prevented from being jacked;
the tripod 301 has stronger impact resistance and deformation resistance, the connecting plate 302 can increase the structural strength and prolong the service life, the suspension cage 9 can contact the tripod 301 when rising, the tripod 301 can limit the suspension cage 9, and the suspension cage 9 is effectively prevented from roof fall;
when the cage 9 rises, before the cage 9 possibly contacts the tripod 301, the lower end of the T-shaped column 1003 can be contacted, so that the T-shaped column 1003 moves upwards along the slide hole of the connecting plate 302, the spring 1001 can absorb impact force to contract, the cage 9 can be limited, and the cage 9 is effectively prevented from roof fall.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a construction elevator's anti-counterfeiting top device which characterized in that: comprises a fixed frame (1), a blocking mechanism (3), a buffer mechanism (10), an infrared distance meter (7) and a suspension cage (9);
fixing frame (1): the fixed frame (1) is provided with a guide rail (2), the lower surface of the fixed frame (1) is provided with a bottom plate (8), and the bottom plate (8) is provided with buffer columns (6) in a distributed manner;
blocking mechanism (3): the blocking mechanism (3) is arranged on the side surface of the upper end of the fixed frame (1);
buffer mechanism (10): the buffer mechanism (10) is assembled on the blocking mechanism (3);
infrared range finder (7): the infrared distance meter (7) is arranged on the upper surface of the bottom plate (8) and is positioned in the middle of the buffer column (6);
cage (9): the suspension cage (9) is arranged on the guide rail (2), the upper surface of the suspension cage (9) is provided with a strong magnet (5), and the suspension cage (9) is arranged corresponding to the buffer column (6);
wherein: the input end of the infrared distance meter (7) is electrically connected with the output end of the external controller.
2. The apparatus of claim 1, wherein: the blocking mechanism (3) comprises two tripods (301) and two connecting plates (302), the two tripods (301) are symmetrically arranged and are mounted at the upper ends of the left surface and the right surface of the fixing frame (1), and the left surface and the right surface of the connecting plates (302) are connected with the two tripods (301).
3. The apparatus of claim 2, wherein: buffer gear (10) include spring (1001), spacing ring (1002) and T type post (1003), and spacing ring (1002) assembly is in the upper end of T type post (1003), and in T type post (1003) assembled the slide opening on connecting plate (302), spring (1001) cup jointed on T type post (1003), and the both ends of spring (1001) are connected with the lower extreme and connecting plate (302) of T type post (1003) respectively.
4. The apparatus of claim 2, wherein: the electric iron further comprises an electromagnet (4), the electromagnet (4) is installed on the lower surface of the connecting plate (302) and corresponds to the powerful magnet (5), and the input end of the electromagnet (4) is electrically connected with the output end of the external controller.
CN202020617627.2U 2020-04-23 2020-04-23 Roof-caving prevention device of construction elevator Expired - Fee Related CN212292400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020617627.2U CN212292400U (en) 2020-04-23 2020-04-23 Roof-caving prevention device of construction elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020617627.2U CN212292400U (en) 2020-04-23 2020-04-23 Roof-caving prevention device of construction elevator

Publications (1)

Publication Number Publication Date
CN212292400U true CN212292400U (en) 2021-01-05

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ID=73974715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020617627.2U Expired - Fee Related CN212292400U (en) 2020-04-23 2020-04-23 Roof-caving prevention device of construction elevator

Country Status (1)

Country Link
CN (1) CN212292400U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114701936A (en) * 2022-04-15 2022-07-05 国家电网有限公司特高压建设分公司 Top-collision-prevention safety control system of construction elevator and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114701936A (en) * 2022-04-15 2022-07-05 国家电网有限公司特高压建设分公司 Top-collision-prevention safety control system of construction elevator and control method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210105

CF01 Termination of patent right due to non-payment of annual fee