CN215885939U

CN215885939U - Safety device of elevator for building construction

Info

Publication number: CN215885939U
Application number: CN202121862710.7U
Authority: CN
Inventors: 石诚凯; 饶国忠; 黄佳
Original assignee: Fujian Qiaoxing Machinery Mfg Co ltd
Current assignee: Fujian Qiaoxing Machinery Mfg Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-22
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a safety device of a lifter for building construction, which comprises a suspension cage, a guide rail connected with the suspension cage in a sliding manner and a base arranged below the suspension cage, wherein a connecting frame is arranged on the side surface of the suspension cage, the suspension cage is connected with the guide rail in a vertical sliding manner through the connecting frame, and a braking assembly for assisting braking of the suspension cage is arranged in the connecting frame; the top end of the base is provided with a rectangular connecting frame, the upper half part of the connecting frame extends into a connecting groove formed in the bottom end of the suspension cage and is in sliding connection with the connecting groove, a limiting plate used for preventing the base from falling off is arranged on the side face of the connecting frame, and a limiting groove used for accommodating the limiting plate is formed in the inner wall of the connecting groove of the suspension cage; and a plurality of groups of buffer assemblies which are arranged at equal intervals are arranged between the suspension cage and the base. The safety device of the elevator for building construction can not only assist the cage in emergency stop, but also slow down the impact force instantaneously applied to the landing of the cage.

Description

Safety device of elevator for building construction

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a safety device of a lifter for building construction.

Background

Construction elevators are generally referred to as construction elevators, but construction elevators comprise a broader definition and construction platforms also belong to the construction elevator series. The safety and the reliability of the currently used elevator are higher, but the hundred percent normal operation of the elevator is still difficult to ensure, and the situation that the elevator is out of control and falls with low probability still occurs in the operation process.

Therefore, in view of the current situation, it is urgently needed to design and produce a safety device of an elevator for building construction so as to meet the requirement of practical use. Slow + assist stop

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a safety device for an elevator for building construction to solve the problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a safety device of a lift for building construction comprises a suspension cage, a guide rail in sliding connection with the suspension cage and a base arranged below the suspension cage, wherein a connecting frame is arranged on the side surface of the suspension cage, the suspension cage is in vertical sliding connection with the guide rail through the connecting frame, and a braking assembly for assisting braking of the suspension cage is arranged in the connecting frame;

the top end of the base is provided with a rectangular connecting frame, the upper half part of the connecting frame extends into a connecting groove formed in the bottom end of the suspension cage and is in sliding connection with the connecting groove, a limiting plate used for preventing the base from falling off is arranged on the side face of the connecting frame, and a limiting groove used for accommodating the limiting plate is formed in the inner wall of the connecting groove of the suspension cage;

and a plurality of groups of buffer assemblies which are arranged at equal intervals are arranged between the suspension cage and the base.

In a further embodiment, the inboard inside extension of link has two bellyings, and the both sides face of guide rail all sets up the recess with bellyings adaptation, the system stops the subassembly including setting up the telescoping cylinder in the holding tank that the bellyings was seted up, with the spliced pole of the piston connection of telescoping cylinder, rotate the connecting plate that sets up in the spliced pole side and connect the butt joint board at the connecting plate end.

In a further embodiment, the buffering subassembly includes fixed connection at the cushion column of cage bottom, sets up at the buffer board of base inner chamber and connects the vertical spring between cage and base, the through-hole that supplies the cushion column to pass is seted up on the top of base, the bottom of cushion column extends to base inner chamber and is connected with the buffer board, vertical spring encircles the periphery that sets up at the cushion column.

In a further embodiment, the braking assembly further comprises a telescopic rod hinged between the abutting plate and the connecting column, and the side face of the abutting plate is in sliding contact with the inner wall of the accommodating groove.

In a further embodiment, the buffer assembly further comprises a sliding rod connected between the two vertical inner walls of the base, a sliding block sleeved on the periphery of the sliding rod in a sliding mode, and a transverse spring connected between the sliding block and the inner wall of the base, wherein a transmission rod is hinged between the sliding block and the buffer plate.

In a further embodiment, a cage door is installed at an opening at the front end of the cage.

The utility model has the technical effects and advantages that: according to the safety device of the elevator for building construction, the suspension cage can move up and down through the arrangement of the guide rail and the connecting frame, so that the building construction requirement is met; the arrangement of the convex part can improve the stability of the suspension cage during up-and-down movement; the telescopic cylinder of the braking assembly can drive the abutting plate to move into the guide rail, and the telescopic rod can enable the abutting plate to abut against the guide rail so as to assist the braking of the suspension cage and effectively prevent the suspension cage from falling downwards when the suspension cage is out of control; the longitudinal spring and the transverse spring of the buffer assembly can buffer impact force generated at the moment when the suspension cage is contacted with the ground from two different directions, so that the suspension cage is protected; the safety device of the elevator for building construction can not only assist the cage in emergency stop, but also slow down the impact force instantaneously applied to the landing of the cage.

Drawings

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

FIG. 2 is a cross-sectional view of the attachment bracket of the present invention;

FIG. 3 is a cross-sectional view of a base of the present invention;

FIG. 4 is an enlarged view of the structure A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure B of FIG. 3 according to the present invention;

fig. 6 is an enlarged view of the structure C of fig. 3 according to the present invention.

In the figure: 1. a suspension cage; 2. a guide rail; 3. a base; 4. a connecting frame; 5. a connecting frame; 6. a limiting plate; 7. a boss portion; 8. a telescopic cylinder; 9. connecting columns; 10. a connecting plate; 11. a butt joint plate; 12. a buffer column; 13. a buffer plate; 14. a longitudinal spring; 15. a telescopic rod; 16. a slide bar; 17. a slider; 18. a lateral spring; 19. a transmission rod; 20. a cage door.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

In order to meet the normal use requirement, as shown in fig. 1, fig. 3 and fig. 5, a cage door 20 is installed at an opening at the front end of a cage 1, a connecting frame 4 is fixedly welded on the side surface of the cage 1, the cage 1 is vertically and slidably connected with a guide rail 2 through the connecting frame 4, the guide rail 2 can drive the cage 1 to move vertically, the technology that the guide rail 2 drives the cage 1 to move vertically is a mature technology in the prior art, and therefore repeated description is omitted here, a rectangular connecting frame 5 is fixedly welded on the top end of a base 3, the upper half part of the connecting frame 5 extends into a connecting groove formed in the bottom end of the cage 1 and is slidably connected with the connecting groove, a limiting plate 6 used for preventing the base 3 from falling off is fixedly welded on the side surface of the connecting frame 5, a limiting groove used for accommodating the limiting plate 6 is formed in the inner wall of the connecting groove of the cage 1, and the limiting plate 6 is in sliding contact with the limiting groove.

In order to assist the emergency braking of the suspension cage 1, as shown in fig. 1, fig. 2 and fig. 4, a braking component for braking the auxiliary suspension cage 1 is installed in the connecting frame 4, two protrusions 7 are integrally formed inwards on the inner side of the connecting frame 4, grooves matched with the protrusions 7 are formed in the two side faces of the guide rail 2, the protrusions 7 are in sliding contact with the inner walls of the grooves, four groups of braking components are arranged, and each braking component comprises a telescopic cylinder 8 fixedly welded in an accommodating groove formed in the protrusion 7, a connecting column 9 welded with a piston of the telescopic cylinder 8, a connecting plate 10 rotatably installed on the side face of the connecting column 9 through a hinge shaft and a butt plate 11 welded at the tail end of the connecting plate 10; the system stops the subassembly and still includes the telescopic link 15 that articulates between butt plate 11 and spliced pole 9, the side of butt plate 11 and the inner wall sliding contact of holding tank, the periphery of telescopic link 15 is still around being connected with compression spring, and compression spring's both ends respectively with butt plate 11 and spliced pole 9 fixed grafting, the communicating system of holding tank of bellying 7 is seted up to guide rail 2's recess inner wall and is stopped the groove, the open button of telescoping cylinder 8 and telescopic link 15 can be installed simultaneously at 1 inner wall of cage and corresponding control room, but the reset button of telescoping cylinder 8 and telescopic link 15 only installs in corresponding control room.

In order to reduce the impact force applied to the suspension cage 1 at the moment of contact with the ground when the suspension cage falls, as shown in fig. 1, 3 and 6, a plurality of groups of buffer assemblies which are arranged at equal intervals are arranged between the suspension cage 1 and the base 3, each buffer assembly comprises a buffer column 12 fixedly welded at the bottom end of the suspension cage 1, a buffer plate 13 arranged in the inner cavity of the base 3 and a longitudinal spring 14 fixedly welded between the suspension cage 1 and the base 3, the top end of the base 3 is provided with a through hole for the buffer column 12 to pass through, the bottom end of the buffer column 12 extends to the inner cavity of the base 3 and is connected with the buffer plate 13, and the longitudinal spring 14 is arranged around the periphery of the buffer column 12; the buffer component further comprises a sliding rod 16 connected between two vertical inner walls of the base 3, a sliding block 17 sleeved on the periphery of the sliding rod 16 in a sliding mode and a transverse spring 18 connected between the sliding block 17 and the inner wall of the base 3, the transverse spring 18 is arranged on the periphery of the sliding rod 16 in a surrounding mode, the transverse spring 18 is not in contact with the sliding rod 16 and the inner wall of the base 3, a transmission rod 19 is hinged between the sliding block 17 and the buffer plate 13, the sliding block 17 and the transmission rod 19 are both provided with two, the two sliding blocks 17 and the two transmission rods 19 are symmetrically distributed about the central axis of the sliding rod 16, and the sliding block 17 is in sliding contact with the inner wall of the base 3.

According to the safety device of the elevator for building construction, when the cage 1 is out of control, the opening buttons of the telescopic cylinder 8 and the telescopic rod 15 are pressed, after the telescopic cylinder 8 and the telescopic rod 15 are opened, firstly the telescopic cylinder 8 extends and drives the connecting column 9 to move towards the direction of the guide rail 2 through the piston, so that the abutting plate 11 quickly enters the braking groove of the guide rail 2, then the telescopic rod 15 extends to enable the connecting plate 10 to rotate, the abutting plate 11 is unfolded towards the side face of the connecting column 9 and abutted against the inner wall of the braking groove, and emergency braking is realized in an auxiliary mode; when the suspension cage 1 is in contact with the ground, the longitudinal spring 14 is compressed due to the weight of the suspension cage 1, the impact force is buffered vertically, the buffer column 12 drives the buffer plate 13 to move downwards due to the compression of the longitudinal spring 14, the buffer plate 13 moves downwards to enable the transmission rod 19 to rotate, the sliding block 17 slides along the sliding rod 16 and extrudes the transverse spring 18, and the transverse spring 18 shares part of impact force and buffers the impact force transversely.

Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. The utility model provides a safety device of lift for construction, includes cage (1), guide rail (2) and base (3) of setting in cage (1) below with cage (1) sliding connection, its characterized in that: a connecting frame (4) is arranged on the side surface of the suspension cage (1), the suspension cage (1) is connected with the guide rail (2) in a vertical sliding mode through the connecting frame (4), and a braking assembly for assisting braking of the suspension cage (1) is installed in the connecting frame (4);

a rectangular connecting frame (5) is arranged at the top end of the base (3), the upper half part of the connecting frame (5) extends into a connecting groove formed in the bottom end of the suspension cage (1) and is in sliding connection with the connecting groove, a limiting plate (6) used for preventing the base (3) from falling off is arranged on the side face of the connecting frame (5), and a limiting groove used for accommodating the limiting plate (6) is formed in the inner wall of the connecting groove of the suspension cage (1);

and a plurality of groups of buffer components arranged at equal intervals are arranged between the suspension cage (1) and the base (3).

2. The safety device of an elevator for construction according to claim 1, wherein: the inboard inside extension of link (4) has two bellying (7), and the both sides face of guide rail (2) all set up with the recess of bellying (7) looks adaptation, the system stops the subassembly including setting up telescopic cylinder (8) in the holding tank that bellying (7) were seted up, spliced pole (9) of being connected with the piston of telescopic cylinder (8), rotates connecting plate (10) that set up in spliced pole (9) side and connect butt joint board (11) at connecting plate (10) end.

3. The safety device of an elevator for construction according to claim 2, wherein: buffer unit includes buffer column (12) of fixed connection in cage (1) bottom, sets up buffer board (13) and vertical spring (14) of connection between cage (1) and base (3) at base (3) inner chamber, the through-hole that supplies buffer column (12) to pass is seted up on the top of base (3), the bottom of buffer column (12) extends to base (3) inner chamber and is connected with buffer board (13), vertical spring (14) encircle the periphery that sets up at buffer column (12).

4. A safety device of an elevator for construction according to claim 3, wherein: the braking and stopping assembly further comprises a telescopic rod (15) hinged between the abutting plate (11) and the connecting column (9), and the side face of the abutting plate (11) is in sliding contact with the inner wall of the accommodating groove.

5. The safety device of an elevator for construction according to claim 4, wherein: the buffer assembly further comprises a sliding rod (16) connected between two vertical inner walls of the base (3), a sliding block (17) sleeved on the periphery of the sliding rod (16) in a sliding mode, and a transverse spring (18) connected between the sliding block (17) and the inner walls of the base (3), and a transmission rod (19) is hinged between the sliding block (17) and the buffer plate (13).

6. The safety device of an elevator for construction according to claim 5, wherein: a cage door (20) is arranged at the opening at the front end of the suspension cage (1).