CN214456050U

CN214456050U - Safety brake device for elevator

Info

Publication number: CN214456050U
Application number: CN202120593250.6U
Authority: CN
Inventors: 尹昌宾; 张学宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-22
Anticipated expiration: 2031-03-23

Abstract

The utility model provides a safety braking device for elevator, which comprises an elevator shaft, wherein the inner wall of the elevator shaft is provided with a plurality of motors, the elevator shaft is provided with a first installation frame and a second installation frame, one end of the first installation frame, which is close to the second installation frame, is provided with a limiting hole, the second installation frame is provided with a threaded hole, the limiting hole and the threaded hole are connected with a lead screw, one end of the lead screw, which extends into the limiting hole, is provided with a limiting disc, one end of the lead screw, which is far away from the limiting disc, is connected with the output end of the motor, the first installation frame and the second installation frame are provided with a plurality of chutes, a car is connected in the chutes, the car is provided with a bottom plate, the bottom plate is provided with a support plate, the car and the support plate are provided with a plurality of connecting seats, the connecting seats are connected with idler wheels, the idler wheels are mutually matched with the chutes, the device can adjust and clamp the first installation frame and the second installation frame on both sides of the car, the speed of movement is sensed by a displacement sensor, the car is clamped and then the passengers are slowly moved to the ground.

Description

Safety brake device for elevator

Technical Field

The utility model relates to a technical field of elevator specifically is a safety brake for elevator.

Background

An elevator is a permanent transportation device serving a plurality of specific floors in a building, wherein a car of the elevator runs on at least two rows of rigid rails which are perpendicular to a horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, and braking, commonly called as "braking", stops or reduces the speed of a running locomotive, vehicle and other transportation tools or machines, most of cars on the market stay in place after an abnormal condition occurs, and passengers in the cars cannot be safely transported to the ground, so that a technology is needed for solving the problems, such as the application number: 202020752845.7, comprising a mounting plate, a first brake element and a second brake element; mounting a plate: a double-shaft motor support is fixedly connected to the middle of the upper surface of the mounting plate, a double-shaft motor is fixedly connected to the upper surface of the double-shaft motor support, a winding disc is fixedly connected to the outer arc surface of an output shaft on the right side of the double-shaft motor, a brake box is fixedly connected to the left side of the upper surface of the mounting plate, and the output shaft of the double-shaft motor is rotatably connected with the inside of a through hole of a right side plate of the brake box through a bearing; a first moving unit: the right end of the interior of the brake box is arranged; a second brake unit: the left end is arranged in the brake box; wherein: still include the PLC controller, PLC controller fixed connection is in the leading flank of brake box, and external power source is connected to the input electricity of PLC controller. When the abnormal condition of the car occurs, the device can not safely convey passengers on the ground, and has certain limitation in practical use.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a safety brake device for elevator for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a safety braking device for an elevator comprises an elevator shaft, wherein a plurality of motors are fixedly arranged on the inner wall of the elevator shaft, a first installation frame and a second installation frame are arranged in the elevator shaft, one end, close to the second installation frame, of the first installation frame is provided with a plurality of limiting holes, the second installation frame is provided with a plurality of threaded holes, a lead screw is movably connected in the plurality of limiting holes and the plurality of threaded holes, one end, extending into the limiting holes, of the lead screw is provided with a limiting disc, one end, far away from the limiting disc, of the lead screw is fixedly connected with the output end of the motor, one end, close to each other, of the first installation frame and the second installation frame is provided with a plurality of sliding grooves, a car is movably connected in the plurality of sliding grooves, the lower end of the car is provided with a bottom plate, the upper end surface of the bottom plate is symmetrically provided with a support plate, and a plurality of connecting seats are fixedly arranged at the front end and the rear end of the car and the support plate which are symmetrically arranged, it is a plurality of the connecting seat is connected with the gyro wheel, the gyro wheel with the spout is mutually supported, and this design is through being equipped with adjustable tight first installation frame and the second installation frame of clamp in car both sides, can be when meetting the abnormal conditions, through displacement sensor response speed of moving, press from both sides the car and then slowly move the passenger to ground.

Furthermore, its characterized in that, the symmetry sets up the backup pad up end is fixed and is equipped with a plurality of mount pads, the mount pad up end is equipped with the mounting hole of downward concave yield, the mounting hole upper end is equipped with first stopper, and this design can restrict the telescopic link.

Further, swing joint has telescopic link and first spring in the mounting hole, the telescopic link stretches into the fixed second stopper that is equipped with of one end in the mounting hole, the both ends of first spring respectively with the mounting hole with second stopper fixed connection, the telescopic link stretches out the fixed connecting block that is equipped with of one end outside the mounting hole is that the connecting block is kept away from the one end of telescopic link with terminal surface fixed connection under the car, the car can be connected in this design, reduces vibrations and the impact force that the car produced when tenesmus.

Further, the symmetry sets up the one end symmetry that the backup pad is close to each other is equipped with a plurality of gag lever posts, and the symmetry sets up the one end that the gag lever post is close to each other is fixed and is equipped with the slide bar, slide bar outer wall swing joint has a plurality of first movable blocks, and is a plurality of first movable block is equipped with the through-hole, the through-hole with slide bar swing joint is a plurality of the one end that first movable block is close to each other is fixed and is equipped with the second spring, and the impact force that the car produced can effectually be slowly reduced in this design.

Furthermore, it is a plurality of first movable block up end symmetry is equipped with first fixing base, and the symmetry sets up rotate between the first fixing base and be connected with the movable rod, and the second movable block can be connected in this design.

Further, the fixed second movable block that is equipped with of terminal surface under the car, the fixed second fixing base that is equipped with of terminal surface under the second movable block, the second fixing base with the other end of movable rod rotates to be connected, and this design can shift the impact force that produces when descending to the second spring and offset.

Furthermore, the fixed displacement sensor that is equipped with of preceding terminal surface of car, this design can detect the functioning speed of car, when taking place abnormal conditions, can press from both sides tight the car with signal transmission to motor, and the passenger safety transportation to ground in the slow car with the car.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through set up the first installation frame and the second installation frame that can press from both sides tightly the regulation at car both ends, through set up the gyro wheel at car both ends, through the spout of gyro wheel and first installation frame and second installation frame mutually supporting, through set up displacement sensor at the car front end, can reach when the car takes place abnormal conditions, displacement sensor exports the signal to the motor, the motor drives first installation frame and second installation frame through the lead screw and extrudees the car, with the car and the purpose that the passenger in inside transports to ground slowly; further, set up first spring through between mounting hole and the telescopic link, through set up the second spring between first movable block, can reach the effectual purpose of slowing down and offsetting the impact force that produces in the running through of car downstream.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

fig. 2 is a schematic structural diagram of a first mounting frame and a second mounting frame of the present invention;

fig. 3 is a cross-sectional view of an elevator shaft according to the present invention;

fig. 4 is a schematic structural view of the car of the present invention;

FIG. 5 is a schematic view of the bottom plate structure of the present invention;

fig. 6 is a cross-sectional view of the mounting base of the present invention;

fig. 7 is an enlarged view of a of the present invention.

In the figure: 1. an elevator shaft; 11. a motor; 12. a first mounting frame; 121. a limiting hole; 122. a chute; 13. a second mounting frame; 131. a threaded hole; 14. a screw rod; 141. a limiting disc; 2. a car; 21. a second movable block; 211. a second fixed seat; 22. a displacement sensor; 23. a connecting seat; 231. a roller; 3. a base plate; 31. a support plate; 311. a mounting seat; 312. mounting holes; 3121. a telescopic rod; 3122. a first spring; 3123. a second limiting block; 3124. connecting blocks; 313. a first stopper; 32. a limiting rod; 33. a slide bar; 4. a first movable block; 41. a through hole; 42. a second spring; 43. a first fixed seat; 44. a movable rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-7, a safety brake device for an elevator includes an elevator shaft 1, and is characterized in that a plurality of motors 11 are fixedly disposed on an inner wall of the elevator shaft 1, a first mounting frame 12 and a second mounting frame 13 are disposed in the elevator shaft 1, a plurality of limiting holes 121 are disposed at an end of the first mounting frame 12 close to the second mounting frame 13, a plurality of threaded holes 131 are disposed at the second mounting frame 13, a lead screw 14 is movably connected in the plurality of limiting holes 121 and the plurality of threaded holes 131, a limiting plate 141 is disposed at an end of the lead screw 14 extending into the limiting hole 121, an end of the lead screw 14 far from the limiting plate 141 is fixedly connected to an output end of the motors 11, a plurality of sliding grooves 122 are disposed at an end of the first mounting frame 12 close to the second mounting frame 13, and a car 2 is movably connected in the plurality of sliding grooves 122, 2 lower extremes of car are equipped with

bottom plate

3, 3 up end symmetries of bottom plate are equipped with backup pad 31, car 2 sets up with the symmetry the fixed a plurality of connecting seats 23 that are equipped with in both ends around backup pad 31, it is a plurality of connecting seat 23 is connected with gyro wheel 231, gyro wheel 231 with spout 122 mutually supports, and this design is through being equipped with adjustable tight first installation frame 12 of clamp and second installation frame 13 in car 2 both sides, can be when meetting the abnormal conditions, through displacement sensor 22 response shift speed, press from both sides tight then slow with car 2 and remove the passenger to ground.

Please refer to fig. 5 and fig. 6 heavily, a plurality of mounting seats 311 are fixedly disposed on the upper end surfaces of the supporting plates 31, which are symmetrically disposed, the upper end surfaces of the mounting seats 311 are provided with mounting holes 312 recessed downward, the upper ends of the mounting holes 312 are provided with first limit blocks 313, a telescopic rod 3121 and a first spring 3122 are movably connected in the mounting holes 312, one end of the telescopic rod 3121 extending into the mounting holes 312 is fixedly provided with a second limit block 3123, two ends of the first spring 3122 are fixedly connected with the mounting holes 312 and the second limit blocks 3123, one end of the telescopic rod 3121 extending out of the mounting holes 312 is fixedly provided with a connecting block 3124, one end of the connecting block 3124 far away from the telescopic rod 3121 is fixedly connected with the lower end surface of the car 2, and the design can connect the car 2 to reduce vibration and impact force generated when the car 2 falls down.

Please refer to fig. 1, fig. 4, fig. 5, and fig. 7, wherein a plurality of position-limiting rods 32 are symmetrically disposed at ends of the supporting plates 31 close to each other, a sliding rod 33 is fixedly disposed at an end of the position-limiting rods 32 close to each other, a plurality of first movable blocks 4 are movably connected to an outer wall of the sliding rod 33, a plurality of through holes 41 are disposed on the first movable blocks 4, the through holes 41 are movably connected to the sliding rod 33, a second spring 42 is fixedly disposed at an end of the first movable blocks 4 close to each other, first fixing seats 43 are symmetrically disposed at upper end surfaces of the first movable blocks 4, movable rods 44 are rotatably connected between the first fixing seats 43, a second movable block 21 is fixedly disposed at a lower end surface of the car 2, a second fixing seat 211 is fixedly disposed at a lower end surface of the second movable block 21, and the second fixing seat 211 is rotatably connected to the other end of the movable rods 44, this design can transfer the impact force generated at the time of descent to the second spring 42 and cancel it out.

Referring to fig. 4 again, the front end face of the car 2 is fixedly provided with a displacement sensor 22, which can detect the running speed of the car 2, and when an abnormal condition occurs, can transmit a signal to the motor 11 to clamp the car 2, so as to slowly and safely transport passengers in the car 2 to the ground.

The utility model discloses a concrete operation as follows:

when a safety brake device for an elevator is used, in the running process of a car 2, when the displacement sensor 22 detects that an abnormal condition occurs, the displacement sensor 22 transmits a signal to the motor 11, the motor 11 drives the screw rod 14 to rotate, the screw rod 14 is matched with the threaded hole 131 of the second frame, meanwhile, the limiting disc 141 of the screw rod 14 is matched with the limiting hole 121 of the first frame to drive the second frame to extrude towards the car 2, the sliding groove 122 of the second frame and the first frame is extruded towards the roller 231 of the connecting seat 23, after the sliding groove 122 is extruded to a certain position, the roller 231 is matched with the sliding groove 122 to slowly move towards the bottom surface, meanwhile, the impact force generated by the car 2 is conveyed to the connecting block 3124 and the second movable block 21, the connecting block 3124 outputs the impact force to the telescopic rod 3121, the 3121 extrudes the first spring 3122 towards the bottom surface of the mounting hole 312, and the telescopic rod 3122 reduces the impact force generated by the car 2, meanwhile, the second movable block 21 drives the movable rod 44 to extrude towards the first movable block 4, the first movable block 4 conveys impact force to the second spring 42 to offset each other, the impact force generated when the car 2 falls down can be effectively relieved, and the safety of passengers in the car 2 is protected.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. A safety braking device for an elevator comprises an elevator shaft (1), and is characterized in that a plurality of motors (11) are fixedly arranged on the inner wall of the elevator shaft (1), a first mounting frame (12) and a second mounting frame (13) are arranged in the elevator shaft (1), a plurality of limiting holes (121) are formed in one end, close to the second mounting frame (13), of the first mounting frame (12), a plurality of threaded holes (131) are formed in the second mounting frame (13), a plurality of limiting holes (121) and a plurality of threaded holes (131) are movably connected with a screw rod (14), a limiting disc (141) is arranged at one end, extending into the limiting holes (121), of the screw rod (14), one end, far away from the limiting disc (141), of the screw rod (14) is fixedly connected with the output end of the motor (11), and a plurality of sliding grooves (122) are formed in one end, close to each other, of the first mounting frame (12) and the second mounting frame (13), a plurality of swing joint has car (2) in spout (122), car (2) lower extreme is equipped with bottom plate (3), bottom plate (3) up end symmetry is equipped with backup pad (31), car (2) and symmetry set up fixed a plurality of connecting seats (23) that are equipped with in both ends around backup pad (31), it is a plurality of connecting seat (23) are connected with gyro wheel (231), gyro wheel (231) with spout (122) are mutually supported.

2. The safety brake device for the elevator according to claim 1, wherein a plurality of mounting seats (311) are fixedly arranged on the upper end surfaces of the supporting plates (31) which are symmetrically arranged, mounting holes (312) which are recessed downwards are formed in the upper end surfaces of the mounting seats (311), and first limiting blocks (313) are arranged at the upper ends of the mounting holes (312).

3. The safety brake device for the elevator as claimed in claim 2, wherein a telescopic rod (3121) and a first spring (3122) are movably connected in the mounting hole (312), a second limit block (3123) is fixedly disposed at an end of the telescopic rod (3121) extending into the mounting hole (312), two ends of the first spring (3122) are respectively fixedly connected with the mounting hole (312) and the second limit block (3123), a connecting block (3124) is fixedly disposed at an end of the telescopic rod (3121) extending out of the mounting hole (312), and an end of the connecting block (3124) far away from the telescopic rod (3121) is fixedly connected with a lower end surface of the car (2).

4. The safety brake device for the elevator as claimed in claim 1, wherein a plurality of limiting rods (32) are symmetrically arranged at the ends, close to each other, of the supporting plates (31) which are symmetrically arranged, a sliding rod (33) is fixedly arranged at the ends, close to each other, of the limiting rods (32) which are symmetrically arranged, a plurality of first movable blocks (4) are movably connected to the outer wall of the sliding rod (33), a through hole (41) is formed in each first movable block (4), the through hole (41) is movably connected with the sliding rod (33), and a second spring (42) is fixedly arranged at the end, close to each other, of each first movable block (4).

5. The safety brake device for the elevator according to claim 4, wherein a plurality of first fixed seats (43) are symmetrically arranged on the upper end surface of the first movable block (4), and a movable rod (44) is rotatably connected between the symmetrically arranged first fixed seats (43).

6. The safety brake device for the elevator is characterized in that a second movable block (21) is fixedly arranged on the lower end face of the elevator car (2), a second fixed seat (211) is fixedly arranged on the lower end face of the second movable block (21), and the second fixed seat (211) is rotatably connected with the other end of the movable rod (44).

7. An elevator safety brake device according to claim 1, characterized in that a displacement sensor (22) is fixedly arranged on the front end surface of the car (2).