CN213356595U

CN213356595U - Anti-falling device for indoor construction elevator

Info

Publication number: CN213356595U
Application number: CN202022079944.6U
Authority: CN
Inventors: 姚徐陈; 陈新建; 陈志祥; 徐佳翔; 殷鹏; 蒋汉林; 蒋亚明; 陈志军
Original assignee: Gaoqida Elevator Jiangsu Co ltd
Current assignee: Gaoqida Elevator Jiangsu Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-04
Anticipated expiration: 2030-09-21

Abstract

The application relates to a falling-proof device for an indoor construction elevator, which comprises guide rail frames symmetrically arranged at two sides of an elevator car, wherein the guide rail frames comprise side frames fixedly connected with an elevator shaft and slide rails fixedly connected with the side frames, an anti-falling fixing groove is axially arranged between the slide rails and the side frames, a plurality of anti-falling fixing blocks are axially arranged at one side of each side frame positioned in the corresponding anti-falling fixing groove along the corresponding side frame, an anti-falling device matched with the corresponding anti-falling fixing blocks is arranged at the bottom of the elevator car and comprises a first brake block, a second brake block and a first brake block, wherein the first brake block is arranged at the bottom of, the two opposite side walls of the second brake block are provided with fixing strips which can be clamped and limited with the anti-falling fixing blocks, and a brake control mechanism which is used for controlling the fixing strips to slide along the inner walls of the first brake block and the second brake block and is clamped and fixed on the fixing strips is arranged between the first brake block and the second brake block. This application has timely braking lift and reaches the effect that prevents to fall.

Description

Anti-falling device for indoor construction elevator

Technical Field

The application relates to the field of lifting equipment, in particular to a falling-preventing device for an indoor construction elevator.

Background

Since the conventional elevator has high cost and low bearing capacity and is not suitable for loading tens of tons or hundreds of tons of goods, a high-bearing elevator has been developed to assist in production and transportation of goods.

However, in the process of the operation of the elevator, an accident may occur, and the anti-falling safety is essential, so that the elevator is generally provided with the anti-falling device, thereby reducing the probability of occurrence of the malignant accident and preventing the occurrence in advance.

Chinese patent with publication number CN205419699U discloses a construction elevator anti-falling device, including lift platform, the tension plate is installed to the lift platform side, the tension plate is close to the guide rail, be provided with hook mechanism on the tension plate, hook mechanism passes through the connecting piece and is articulated with the tension plate, hook mechanism includes cross axle and vertical axis, the length of cross axle is good at the length of vertical axis, vertical axis one end is kept away from to hook mechanism's cross axle is connected with the iron chain, still be provided with first locating piece and second locating piece on the tension plate, first locating piece is located hook mechanism's cross axle top, the second locating piece is located the cross axle below, supreme a plurality of outstanding iron blocks that have set gradually under the guide rail is inside.

In view of the above-mentioned related technologies, the inventor considers that the anti-falling device has a simple structure and a low anti-falling effect, thereby affecting the safety of the anti-falling device.

SUMMERY OF THE UTILITY MODEL

In order to improve anti-falling device's safety and stability, this application provides an anti-falling device for indoor construction elevator.

The application provides a pair of anti-falling device for indoor construction elevator adopts following technical scheme:

an anti-falling device for an indoor construction elevator comprises guide rail frames which are symmetrically arranged at two sides of an elevator car, the guide rail frame comprises a side frame fixedly connected with the elevator shaft and a slide rail fixedly connected with the side frame, an anti-falling fixing groove is axially arranged between the slide rail and the side frame, a plurality of anti-falling fixing blocks are axially arranged on one side of the side frame in the anti-falling fixing groove along the side frame, the falling protector matched with the falling prevention fixing block is arranged at the bottom of the car and comprises a first brake block and a second brake block which are arranged at the bottom of the car and connected with the sliding rail in a sliding manner, a fixing strip which can be clamped and limited with the anti-falling fixing block is arranged between two opposite side walls of the first brake block and the second brake block, and a brake control mechanism used for controlling the fixing strip to slide along the inner walls of the first brake block and the second brake block and clamped and fixed on the anti-falling fixing block is arranged between the first brake block and the second brake block.

Through adopting above-mentioned technical scheme, when the lift car falls, the braking control mechanism control fixed strip slides along first brake pads, second brake pads inner wall and with prevent weighing down the fixed block joint fixed, the fixed strip joint supports tightly on preventing weighing down the fixed block, realizes the braking of first brake pads, second brake pads to in being fixed in the fixed slot of preventing weighing down with the safety hook is spacing, effectively prevented the car and continued the downstream, promoted anti-falling device's the effect of preventing falling.

Optionally, the brake control mechanism includes a first brake groove formed in an inner side wall of the first brake pad, a second brake groove formed in an inner wall of the second brake pad, and the fixing strip is disposed between the first brake groove and the second brake groove.

Through adopting above-mentioned technical scheme, the car is in first brake groove and second brake groove upper end when normally working, and when the car tenesmus, the fixed strip can be followed first, the second brake groove and steadily slided to the bottom fast to effectively promote the job stabilization nature of fixed strip.

Optionally, a clamping groove matched with the fixing strip is formed in the upper surface of the anti-falling fixing block and the position, close to the bottom ends of the first braking groove and the second braking groove, of the anti-falling fixing block.

Through adopting above-mentioned technical scheme, the fixed strip just slips into the screens inslot when sliding to first brake tank and second brake tank bottom, realizes that the joint of fixed strip and screens groove is fixed, and the screens groove has restricted the removal of first brake block, second brake block to with the safety hook spacing fixed, and then effectively prevented falling of lift car, promoted the safety in utilization of lift.

Optionally, the anti-falling fixed block is arranged in an upward inclined mode.

Through adopting above-mentioned technical scheme, when the fixed strip slided to screens groove along the brake groove, prevent weighing down the fixed block inclined plane and slide with higher speed the fixed strip, effectively increased the fixed strip accuracy to prevent that the fixed strip from kick-backing and breaking away from behind the striking side frame and preventing weighing down the fixed block, thereby promoted anti-falling device's security.

Optionally, the brake control mechanism includes a pressing block arranged between the first brake block and the second brake block, and a driving cylinder used for controlling the lifting of the pressing block, the driving cylinder is in communication connection with an acceleration sensor, a connecting piece is arranged between the bottom of the pressing block and the fixing strip, one end of the connecting piece is fixedly connected with the fixing strip, and the pressing block can compress the fixing connecting piece to keep away from the other end of the fixing strip.

Through adopting above-mentioned technical scheme, after acceleration inductor sensed acceleration and exceeded normal operating range, drive actuating cylinder and drive rapidly and make the briquetting rise, the connecting piece that is compressed tightly by the briquetting pops out to make the fixed strip can follow the brake groove upper end and remove to the brake groove bottom and prevent weighing down the fixed block cooperation, and then effectively reduce the lift and fall, thereby increased anti-falling device's security.

Optionally, one side of the connecting piece close to the pressing block is provided with a fixing ring, and one end of the connecting piece far away from the pressing block is fixedly connected to the fixing ring.

Through adopting above-mentioned technical scheme, the connecting piece is connected with solid fixed ring for the connecting piece keeps the position when the lift normally operates, has reduced the connecting piece and has removed when receiving external force, thereby has effectively strengthened the stability of connecting piece, thereby has increased anti-falling device's stability.

Optionally, the inner walls of the first braking groove and the second braking groove are respectively provided with a pushing spring abutted to the fixing strip.

Through adopting above-mentioned technical scheme, promote the spring and support tightly the compression with the fixed strip when the fixed strip is connected with the connecting piece, the fixed strip provides the motive force when removing to the braking groove lower extreme for the fixed strip removes and prevents weighing down the fixed block cooperation to the braking groove lower extreme fast, thereby has promoted the stability when anti-falling device uses.

Optionally, a reinforced anti-falling plate is arranged at the bottom end of the anti-falling device and is abutted against the bottom wall of the car.

By adopting the technical scheme, the falling protector and the reinforced falling prevention plate are fixedly connected, the reinforced falling prevention plate helps to share the gravity of the elevator, the stability of the falling prevention device is increased, the stability of the falling protector and the reinforced falling prevention plate is effectively enhanced, the direct falling condition of the elevator is reduced, and the safety of the whole falling prevention device is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an anti-falling fixing groove is formed between the guide rail and the side frame, an anti-falling fixing block is fixedly connected inside the anti-falling fixing groove, and the anti-falling fixing block is matched with a fixing strip arranged between a first brake block and a second brake block of the anti-falling device, so that the falling phenomenon of the elevator is effectively reduced, and the safety of the elevator is improved;

2. the screens piece sets up to one side and offer with fixed strip complex draw-in groove on the upper surface, helps the screens strip to slide at braking in-process, and the draw-in groove is fixed with the screens strip to external force causes the screens strip to remove when having reduced because of weighing down, thereby has promoted anti-falling device's precision and security.

Drawings

Fig. 1 is a schematic overall position diagram of a falling prevention device of an indoor construction elevator according to an embodiment of the present application.

FIG. 2 is a schematic view of the connection between a falling protector and a falling protection fixing plate of an indoor construction elevator.

FIG. 3 is a schematic view of an indoor construction elevator safety hook according to an embodiment of the application.

Fig. 4 is an enlarged view of a in fig. 3.

Description of reference numerals: 1. a car; 2. a guide rail bracket; 21. a side frame; 22. a slide rail; 3. an anti-falling fixing groove; 4. an anti-falling fixed block; 5. a safety catch; 51. a first brake pad; 52. a second brake pad; 6. a fixing strip; 7. a brake control mechanism; 8. a connecting member; 9. a first brake groove; 10. a second brake groove; 11. a clamping groove; 12. briquetting; 13. a fixing ring; 14. a push spring; 15. the reinforced anti-falling plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses anti-falling device for indoor construction elevator. Referring to fig. 1, the anti-falling device comprises a guide rail frame 2 for a transportation elevator, the guide rail frame 2 is far away from a side frame 21, the side frame 21 is fixedly connected with an elevator shaft, the guide rail frame 2 is far away from the elevator and is fixedly connected with the side frame 21, a sliding rail 22 fixedly connected with a car 1 is connected in the side frame 21 in a sliding manner, an anti-falling fixing groove 3 is formed in the side frame 21, a plurality of anti-falling fixing blocks 4 are fixedly connected in the anti-falling fixing groove 3, and a reinforcing anti-falling plate 15 is connected to the bottom of four anti.

Referring to fig. 1, the anti-falling fixing block 4 is obliquely arranged along the upper direction, the clamping groove 11 is formed in the upper surface of the anti-falling fixing block 4, the anti-falling device 5 is fixedly connected to the bottom of the lift car 1, and the anti-falling device 5 is connected with the side frame 21 of the guide rail frame 2 in a sliding mode.

Referring to fig. 2, the falling protector 5 is fixedly connected with a braking control mechanism 7, the braking control mechanism 7 comprises a pressing block 12 fixedly connected with the surface of the side wall of the falling protector 5, and the bottom of the pressing block 12 is abutted against the other end of the connecting piece 8.

Referring to fig. 2 and 3, the safety guard 5 is integrally connected with a first brake block 51 and a second brake block 52 slidably connected with the side frame 21, and a first brake groove 9 and a second brake groove 10 are respectively formed on inner walls of the first brake block 51 and the second brake block 52 along an inclined direction of the fixed block.

Referring to fig. 3 and 4, the pushing springs 14 are fixedly connected to the inner upper portions of the first braking groove 9 and the second braking groove 10, the fixing strips 6 are inserted into the first braking groove 9 and the second braking groove 10, the fixing strips 6 are tightly abutted to the pushing springs 14, the fixing strips 6 are fixedly connected to the fixing rings 13 on the surfaces, and the fixing rings 13 are wound on the connecting piece 8.

The embodiment of the application provides an indoor construction elevator and with anti-falling device's implementation principle does: when the car 1 is out of order and falls, the acceleration sensor controls the driving cylinder to work, the driving cylinder drives the control pressing block 12 to ascend, the connecting piece 8 leaves the bottom of the pressing block 12, the pushing spring 14 in the first braking groove 9 and the second braking groove 10 simultaneously gives the pushing force to the fixing strip 6, the fixing strip 6 slides along the downward ends of the first braking groove 9 and the second braking groove 10, and the clamping groove 11 is clamped in the anti-falling fixing block 4, so that the falling speed of the elevator is effectively reduced.

The bottom of the falling protector 5 is connected with a reinforcing fixed plate through a bolt, so that the falling protector 5 is helped to bear the gravity of the elevator, and the stability and the safety of the falling protector are effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an indoor construction is anti-falling device for lift, sets up in guide rail frame (2) of lift car (1) both sides including the symmetry, its characterized in that: guide rail frame (2) include with lift well fixed connection's side frame (21), with side frame (21) fixed connection's slide rail (22), the axial is provided with between slide rail (22) and side frame (21) prevents weighing down fixed slot (3), side frame (21) are located prevent weighing down fixed slot (3) inside one side and are provided with a plurality of fixed blocks (4) of preventing weighing down along side frame (21) axial, car (1) bottom is provided with and prevents weighing down fixed block (4) complex safety hook (5), safety hook (5) including set up in car (1) bottom and slide first brake pads (51), second brake pads (52) of being connected with slide rail (22), be provided with between the both sides wall that first brake pads (51), second brake pads (52) are relative and can with prevent weighing down fixed block (4) joint spacing fixed strip (6), be provided with between first brake pads (51) and second brake pads (52) and be used for controlling fixed strip (6) along first brake pads (6), (the brake pads (2) 51) And the inner wall of the second brake block (52) slides and is clamped and fixed on a brake control mechanism (7) of the anti-falling fixed block (4).

2. The anti-falling device for the indoor construction elevator as claimed in claim 1, wherein: the inner side wall of the first brake block (51) is provided with a first brake groove (9), the inner wall of the second brake block (52) is provided with a second brake groove (10), and the fixing strip (6) is arranged between the first brake groove (9) and the second brake groove (10).

3. The anti-falling device for the indoor construction elevator as claimed in claim 1, wherein: the upper surface of the anti-falling fixing block (4) and the bottom ends of the first braking groove (9) and the second braking groove (10) are provided with clamping grooves (11) matched with the fixing strips (6).

4. The anti-falling device for the indoor construction elevator as claimed in claim 3, wherein: the anti-falling fixing block (4) is obliquely arranged upwards.

5. The anti-falling device for the indoor construction elevator as claimed in claim 4, wherein: brake control mechanism (7) including set up briquetting (12) between first brake pads (51), second brake pads (52), be used for controlling briquetting (12) lift drive actuating cylinder, it has acceleration sensor to drive actuating cylinder communication connection, be provided with connecting piece (8) between briquetting (12) bottom and fixed strip (6), connecting piece (8) one end and fixed strip (6) fixed connection, briquetting (12) can compress tightly the other end that fixed strip (6) were kept away from in fixed connecting piece (8).

6. The anti-falling device for the indoor construction elevator as claimed in claim 5, wherein: one side that connecting piece (8) are close to the briquetting is provided with solid fixed ring (13), the one end that the briquetting was kept away from in connecting piece (8) is fixed in solid fixed ring (13).

7. The anti-falling device for the indoor construction elevator as claimed in claim 3, wherein: and pushing springs (14) which are abutted to the fixing strips (6) are respectively arranged on the inner walls of the first braking groove (9) and the second braking groove (10).

8. The anti-falling device for the indoor construction elevator as claimed in claim 1, wherein: the bottom end of the falling protector (5) is provided with a reinforced falling preventing plate (15), and the reinforced falling preventing plate (15) is abutted against the bottom wall of the car (1).