CN216945734U

CN216945734U - Anti-falling safety device of construction elevator for building

Info

Publication number: CN216945734U
Application number: CN202220370935.9U
Authority: CN
Inventors: 杨玉华; 刘志勇
Original assignee: Sinohydro Bureau 9 Co Ltd
Current assignee: Sinohydro Bureau 9 Co Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-12
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to the technical field of elevators, in particular to a falling prevention safety device of a construction elevator for buildings, which comprises: the elevator shaft is internally and slidably connected with an elevator cage, and safety tongs are fixedly connected to two sides of the surface of the elevator cage; the anti-falling component is arranged in the elevator shaft and is convenient for protecting the elevator cage; the driving component for driving the anti-falling component is arranged in the elevator shaft; through setting up anti-falling component and drive assembly, the threaded rod drives the locating piece and the connecting plate moves down, and the connecting plate drives the slider and moves down, and the slider moves down and drives the locating piece and move down, and two locating pieces joint simultaneously makes the reel fix in the elevator shaft, makes the quick centre gripping elevartor shaft of safety tongs, makes the elevator cage stop falling downwards, improves construction elevator anti-falling safety device's for building work efficiency, improves construction elevator anti-falling safety device's for building safety.

Description

Anti-falling safety device of construction elevator for building

Technical Field

The utility model relates to the technical field of elevators, in particular to a falling-prevention safety device of a construction elevator for a building.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which move in at least two rows of rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical; step type, the step plate is arranged on the track to continuously run, commonly called escalator or moving sidewalk; a fixed lifting device serving a prescribed floor; the vertical lift elevator has a cage running between at least two rows of vertical or inclined-angle rigid guide rails smaller than 15 °; the size and the structural form of the car are convenient for passengers to access or load and unload goods.

The anti-falling safety device of the construction elevator for the existing building generally adopts a speed limiting machine to limit the speed of the anti-falling safety device, has single protection measure, and reduces the working efficiency of the anti-falling safety device of the construction elevator for the building, so that the technical personnel in the field provide the anti-falling safety device of the construction elevator for the building to solve the problems provided in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a falling-prevention safety device for a construction elevator for buildings, which solves the problem that the protection measures of the elevator are too single.

The utility model achieves the above-mentioned purpose through the following technical scheme, a construction elevator falling-prevention safety device for building, comprising: the elevator shaft is internally and slidably connected with an elevator cage, and two sides of the surface of the elevator cage are fixedly connected with safety tongs; the anti-falling component is convenient for protecting the elevator cage and is arranged in the elevator shaft; the driving component for driving the anti-falling component is arranged in the elevator shaft.

Preferably, prevent weighing down the part including rotating the pivot of connecting in the elevartor shaft inner wall, the fixed surface of pivot is connected with quantity and is two reels, the constant head tank that quantity is two is all seted up on the surface of pivot, the inside joint of constant head tank has the locating piece.

Preferably, sliding holes are formed in two sides of the inner wall of the elevator shaft, the surface of the positioning block is connected to the inside of the sliding hole in a sliding mode, a sliding block is connected to the inside of the sliding hole in a sliding mode, and the bottom of the sliding block is fixedly connected to the top of the positioning block on one side.

Preferably, a connecting plate is fixedly connected to the top of the sliding block, a moving groove is formed in the inner top wall of the elevator shaft, the moving groove is communicated with the sliding hole, and the surface of the connecting plate is slidably connected to the inside of the moving groove.

Preferably, the driving part comprises a threaded rod rotatably connected to the inside of the sliding hole on the other side, the bottom of the threaded rod is fixedly connected to the top of the positioning block on the other side, the top of the threaded rod is fixedly connected to the bottom of the connecting plate, a first bevel gear is connected to the surface of the threaded rod in a threaded manner, a second bevel gear is connected to the surface of the first bevel gear in a meshed manner, and a transmission rod is fixedly connected to one end of the second bevel gear.

Preferably, one end of the transmission rod, which is far away from the second bevel gear, is fixedly connected with a transmission gear, and the surface of the transmission gear is meshed and connected with a rack.

Preferably, the bottom fixedly connected with dead lever of rack, the surface of dead lever is provided with expanding spring, expanding spring's bottom fixedly connected with fixed block, the top fixed connection of fixed block is in expanding spring's bottom.

The utility model has the beneficial effects that:

1. by arranging the anti-falling component and the driving component, the threaded rod drives the positioning block and the connecting plate to move downwards, the connecting plate drives the sliding block to move downwards, the sliding block moves downwards to drive the positioning block to move downwards, the two positioning blocks are simultaneously clamped into the positioning groove, the reel is fixed in the elevator shaft, the safety tongs are used for rapidly clamping the elevator shaft, the elevator cage stops falling downwards, the working efficiency of the anti-falling safety device of the construction elevator for the building is improved, and the safety of the anti-falling safety device of the construction elevator for the building is improved;

2. when the threaded rod needs to be driven to rotate, the rack is moved through the interaction of the fixing rod, the fixing block and the expansion spring, the threaded rod rotates in the sliding hole through the interaction of the transmission gear, the transmission rod, the first bevel gear and the second bevel gear, the working efficiency of the threaded rod is guaranteed, and the practicability of the anti-falling safety device of the construction elevator for the building is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of an elevator shaft of the present invention;

fig. 3 is a schematic view of the construction of an elevator shaft and drive unit according to the utility model;

FIG. 4 is a schematic view of the fall arrest device and drive device of the present invention.

In the figure: 1. an elevator shaft; 2. an elevator cage; 3. safety tongs; 4. an anti-fall component; 401. a rotating shaft; 402. a reel; 403. positioning a groove; 404. positioning blocks; 405. a slide hole; 406. a slider; 407. a connecting plate; 408. a moving groove; 5. a drive member; 501. a threaded rod; 502. a first bevel gear; 503. a second bevel gear; 504. a transmission rod; 505. a transmission gear; 506. a rack; 507. fixing the rod; 508. a tension spring; 509. and fixing blocks.

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.

In the specific implementation: as shown in fig. 1 to 4, a fall-preventing safety device for a construction elevator for a building, comprising: the elevator comprises an elevator shaft 1, wherein an elevator cage 2 is connected inside the elevator shaft 1 in a sliding manner, and safety tongs 3 are fixedly connected to two sides of the surface of the elevator cage 2; the anti-falling component 4 is arranged in the elevator shaft 1, and is convenient for protecting the anti-falling component 4 of the elevator cage 2; the driving component 5 is used for driving the anti-falling component 4, the driving component 5 is arranged inside the elevator shaft 1, the anti-falling component 4 comprises a rotating shaft 401 which is rotatably connected to the inner wall of the elevator shaft 1, the surface of the rotating shaft 401 is fixedly connected with two reels 402, the surface of the rotating shaft 401 is provided with two positioning grooves 403, positioning blocks 404 are clamped inside the positioning grooves 403, sliding holes 405 are respectively formed in two sides of the inner wall of the elevator shaft 1, the surface of each positioning block 404 is slidably connected inside the corresponding sliding hole 405, a sliding block 406 is slidably connected inside the sliding hole 405 on one side, the bottom of the sliding block 406 is fixedly connected to the top of the positioning block 404 on one side, the driving component 5 comprises a threaded rod 501 which is rotatably connected inside the sliding hole 405 on the other side, the bottom of the threaded rod 501 is fixedly connected to the top of the positioning block 404 on the other side, and the top of the threaded rod 501 is fixedly connected to the bottom of the connecting plate 407, a first conical gear 502 is connected to the surface of the threaded rod 501 in a threaded manner, a second conical gear 503 is connected to the surface of the first conical gear 502 in a meshed manner, one end of the second conical gear 503 is fixedly connected with a transmission rod 504, the bottom of the rack 506 is fixedly connected with a fixing rod 507, a telescopic spring 508 is arranged on the surface of the fixing rod 507, a fixing block 509 is fixedly connected to the bottom of the telescopic spring 508, the top of the fixing block 509 is fixedly connected to the bottom of the telescopic spring 508, a first steel wire rope is arranged on the surface of the reel 402, the bottom end of the first steel wire rope is fixedly connected to the top of the safety gear 3, the safety gear 3 rapidly clamps the elevator shaft 1 when the first steel wire rope is fixed, the elevator shaft 2 stops falling downwards, a balancing weight is connected to the inside of the elevator shaft 1 in a sliding manner, a second steel wire rope is fixedly connected to the top of the balancing weight, and the other end of the second steel wire rope is fixedly connected to the top of the elevator shaft 2, when the elevator cage 2 falls in the elevator shaft 1, the counterweight block quickly rises in the elevator cage 2, the counterweight block pushes the fixed block 509 to move upwards, the fixed block 509 moves upwards to push the fixed rod 507 to move upwards, the fixed rod 507 moves upwards to drive the transmission rod 504 to rotate, the transmission rod 504 rotates to drive the second bevel gear 503 to rotate, the second bevel gear 503 rotates to drive the first bevel gear 502 to rotate, the first bevel gear 502 rotates to drive the threaded rod 501 to rotate, the driving part 5 is rotated by the quick falling of the elevator cage 2, the practicability of the driving part 5 is improved, the threaded rod 501 rotates to drive the sliding hole 405 corresponding to the corresponding positioning block 404 to slide downwards, the connecting plate 407 moves downwards in the moving groove 408, the threaded rod 501 drives the sliding block 406 to move in the corresponding sliding hole 405, the sliding block 406 moves downwards to drive the positioning block 404 to move downwards, the two positioning blocks 404 simultaneously move downwards to be clamped in the positioning groove 403, so that the rotating shaft 401 is fixed in the elevator shaft 1, make two reels 402 fix in pivot 401, make the first wire rope location on two reels 402, make the quick centre gripping elevartor shaft 1 of safety tongs 3, make elevator cage 2 stop falling downwards, elevator cage 2 is convenient for carry out the speed limit location to elevator cage 2 fast when falling, improves the work efficiency of the safety device that falls is prevented to construction elevator for the building, improves the security of the safety device that falls is prevented to construction elevator for the building.

As shown in fig. 2, a connecting plate 407 is fixedly connected to the top of the slider 406, a moving slot 408 is formed in the inner top wall of the elevator shaft 1, the moving slot 408 is communicated with the sliding hole 405, the surface of the connecting plate 407 is slidably connected inside the moving slot 408, the connecting plate 407 moves down in the moving slot 408, the connecting plate 407 moves down to drive the slider 406 to move in the corresponding sliding hole 405, and the slider 406 moves down to drive the positioning blocks 404 to move down, so that the two positioning blocks 404 simultaneously move down to be clamped in the positioning grooves 403, and the practicability of the anti-falling component 4 is improved.

As shown in fig. 3-4, a transmission gear 505 is fixedly connected to an end of the transmission rod 504 away from the second bevel gear 503, a rack 506 is engaged and connected to a surface of the transmission gear 505, the fixed rod 507 moves upwards to push the rack 506 to move upwards, the rack 506 moves upwards to push the transmission gear 505 to rotate, and the transmission gear 505 rotates to drive the transmission rod 504 to rotate, so as to ensure the working content of the driving member 5.

When the elevator cage 2 falls in the elevator shaft 1, the counterweight block quickly rises in the elevator cage 2, the counterweight block pushes the fixing block 509 to move upwards, the fixing block 509 moves upwards to push the fixing rod 507 to move upwards, the fixing rod 507 moves upwards to push the rack 506 to move upwards, the rack 506 moves upwards to push the transmission gear 505 to rotate, the transmission gear 505 rotates to drive the transmission rod 504 to rotate, the transmission rod 504 rotates to drive the second bevel gear 503 to rotate, the second bevel gear 503 rotates to drive the first bevel gear 502 to rotate, the first bevel gear 502 rotates to drive the threaded rod 501 to rotate, the threaded rod 501 rotates to drive the corresponding positioning block 404 and the connecting plate 407 to move downwards, the corresponding positioning block 404 slides and moves downwards in the corresponding sliding hole 405, the connecting plate 407 moves downwards in the moving groove 408, the connecting plate 407 moves downwards to drive the sliding block 406 to move in the corresponding sliding hole 405, the sliding block 406 moves downwards to drive the positioning block 404 to move downwards, two locating pieces 404 move down the joint simultaneously and arrive in constant head tank 403, make pivot 401 fix in elevartor shaft 1, make two reels 402 fix in pivot 401, make the first wire rope location on two reels 402, make the quick centre gripping elevartor shaft 1 of safety tongs 3, make elevator cab 2 stop falling downwards, elevator cab 2 is convenient for carry out the speed limit location to elevator cab 2 fast when falling, improve the work efficiency of construction elevator anti-falling safety device for building, improve construction elevator anti-falling safety device's for building security.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a construction elevator prevents safety device that falls for building which characterized in that includes:

the elevator comprises an elevator shaft (1), wherein an elevator cage (2) is connected inside the elevator shaft (1) in a sliding mode, and safety tongs (3) are fixedly connected to two sides of the surface of the elevator cage (2);

the anti-falling component (4) is arranged in the elevator shaft (1), and is convenient for protecting the elevator cage (2);

the driving component (5) for driving the anti-falling component (4) is arranged in the elevator shaft (1).

2. The anti-falling safety device of construction elevator for building as claimed in claim 1, wherein: prevent weighing down part (4) including rotating pivot (401) of connecting in elevartor shaft (1) inner wall, the fixed surface of pivot (401) is connected with reel (402) that quantity is two, constant head tank (403) that quantity is two are all seted up on the surface of pivot (401), the inside joint of constant head tank (403) has locating piece (404).

3. The anti-falling safety device of construction elevator for building as claimed in claim 2, wherein: slide holes (405) are formed in two sides of the inner wall of the elevator shaft (1), the surface of the positioning block (404) is connected to the inside of each slide hole (405) in a sliding mode, a sliding block (406) is connected to the inside of each slide hole (405) in a sliding mode, and the bottom of each sliding block (406) is fixedly connected to the top of each positioning block (404) on one side.

4. The anti-falling safety device of construction elevator for building as claimed in claim 3, wherein: the top of the sliding block (406) is fixedly connected with a connecting plate (407), the inner top wall of the elevator shaft (1) is provided with a moving groove (408), the moving groove (408) is communicated with the sliding hole (405), and the surface of the connecting plate (407) is connected to the inside of the moving groove (408) in a sliding mode.

5. The anti-falling safety device of construction elevator for building as claimed in claim 4, wherein: drive part (5) are including rotating threaded rod (501) of connecting in opposite side slide opening (405) inside, the bottom fixed connection of threaded rod (501) is in the top of opposite side locating piece (404), the top fixed connection of threaded rod (501) is in the bottom of connecting plate (407), the surperficial threaded connection of threaded rod (501) has first conical gear (502), the surface meshing of first conical gear (502) is connected with second conical gear (503), the one end fixedly connected with transfer line (504) of second conical gear (503).

6. The anti-falling safety device of construction elevator for building as claimed in claim 5, wherein: one end of the transmission rod (504) far away from the second bevel gear (503) is fixedly connected with a transmission gear (505), and the surface of the transmission gear (505) is in meshing connection with a rack (506).

7. The anti-falling safety device of construction elevator for building as claimed in claim 6, wherein: the bottom fixedly connected with dead lever (507) of rack (506), the surface of dead lever (507) is provided with expanding spring (508), the bottom fixedly connected with fixed block (509) of expanding spring (508), the top fixed connection of fixed block (509) is in the bottom of expanding spring (508).