CN210418839U

CN210418839U - Safe energy-saving elevator

Info

Publication number: CN210418839U
Application number: CN201920760326.2U
Authority: CN
Inventors: 吴秀生
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-28
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses an energy-conserving elevator of safe type, concretely relates to utilize worm gear transmission to carry out the elevator of auto-lock when breaking down to the motor, overcome and adopted complicated electric power and mechanical structure to realize elevator trouble locking function among the prior art, the big problem of power consumption. The elevator car self-locking device comprises a car, a guide rail for guiding the car to lift, a power unit for driving the car to lift and a self-locking mechanism for self-locking when the power unit fails; the lift car is characterized in that guide rails are arranged on two sides of the lift car, a machine room floor slab used for installing the power unit is arranged above the lift car and fixed on a building roof, a steel cable is wound on an output shaft of the power unit, one end of the steel cable is connected with a balancing weight, the other end of the steel cable is connected with the lift car, and the power unit is electrically connected with a self-locking mechanism.

Description

Safe energy-saving elevator

Technical Field

The utility model relates to a handling equipment specifically is an energy-conserving elevator of safe type.

Background

Modern elevators are mainly composed of a traction machine (winch), guide rails, a counterweight, safety devices (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a car, a hall door and the like. These parts are installed in the hoistway and machine room of the building, respectively. Usually, a steel wire rope is used for friction transmission, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a car and a balance weight, and a motor drives the traction sheave to lift the car. The elevator requires safety and reliability, high conveying efficiency, accurate leveling, comfortable riding and the like. The basic parameters of the elevator mainly include rated load capacity, the number of passengers, rated speed, the overall dimension of the elevator car, the type of the hoistway, and the like.

However, when a fault occurs in the conventional elevator, the elevator needs to be protected by a speed limiter and a safety gear to prevent the elevator from falling, but the safety gear, the speed limiter and the like also need to operate on the basis of electric power, consume electric power, cannot operate under the condition of power failure, and have safety risk.

SUMMERY OF THE UTILITY MODEL

Based on the weak point among the prior art that mentions among the above-mentioned background art, for this reason the utility model provides an energy-conserving elevator of safe type.

The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:

a safe energy-saving elevator comprises a car, a guide rail for guiding the car to lift, a power unit for driving the car to lift and a self-locking mechanism for self-locking when the power unit fails; the lift car is characterized in that guide rails are arranged on two sides of the lift car, a machine room floor slab used for installing the power unit is arranged above the lift car and fixed on a building roof, a steel cable is wound on an output shaft of the power unit, one end of the steel cable is connected with a balancing weight, the other end of the steel cable is connected with the lift car, and the power unit is electrically connected with a self-locking mechanism.

As a further aspect of the present invention: the power unit comprises a mounting seat, a dragging motor and a wire roller, wherein the mounting seat is composed of two support plates, the two support plates are fixedly mounted on a floor slab of the machine room, the dragging motor is mounted on the support plate on one side through a flange, an output shaft of the dragging motor penetrates through the support plates and is rotatably connected with a support plate bearing on the other side, and the wire roller used for winding a steel cable is fixed in the middle of the output shaft.

As a further aspect of the present invention: a guide groove parallel to the lifting track of the car is formed in the inner side of the guide rail, a guide wheel is embedded in the guide groove in a matched rolling mode and is connected to the side wall of the car in a rotating mode.

As a further aspect of the present invention: install self-locking mechanism on the car roof, self-locking mechanism includes self-locking motor, worm wheel, chain and gear, and wherein, fixed connection diaphragm on the car roof installs self-locking motor on the diaphragm, and the self-locking motor output rotates and connects the worm, worm meshing worm wheel, and diaphragm one side is rotated and is connected with the gear, and gear meshing rack board, rack board fixed mounting are on the guide rail of one side, and the gear passes through the chain and connects on the worm wheel lateral wall.

As a further aspect of the present invention: install first control box on the mount pad, first control box signal connection drags and draws the motor, and first control box passes through cable electric connection second control box, and the two is established ties each other, and second control box signal connection auto-lock motor.

As a further aspect of the present invention: the worm wheel is rotatably connected to the upper end of the support, and the support is fixed to the middle of the top plate of the car.

After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: this elevator is dragging the motor and losing the electricity stop work for self-locking motor loses the electricity stop work, and the worm stall because the worm gear transmission is unidirectional, so after self-locking motor loses the electricity, the worm all does not rotate with the worm wheel, thereby makes the gear can not rotate, and the gear dies the car lock with the meshing of rack board, prevents to take place danger of falling, plays the safety effect, with the electric power locking mechanism of the relative complicacy among the prior art, power consumption is zero, and is more energy-conserving.

Drawings

Fig. 1 is a schematic structural diagram of a safe energy-saving elevator.

Fig. 2 is a partial enlarged view of a worm wheel and a worm in the safe energy-saving elevator.

Fig. 3 is a schematic structural diagram of a guide rail and a guide groove in a safe energy-saving elevator.

In the figure: 1-a guide rail; 2-machine room floor slab; 3-mounting a base; 4-pulling the motor; 5-wire roller; 6-steel cable; 7-a car; 8-a balancing weight; 9-self-locking motor; 10-a worm; 11-a first control box; 12-a cable; 13-a second control box; 14-a worm gear; 15-a chain; 16-a transverse plate; 17-a gear; 18-a rack plate; 19-a scaffold; 20-a guide wheel; 21-guide groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a safe energy-saving elevator includes a car 7, a guide rail 1 for guiding the car 7 to ascend and descend, a power unit for driving the car 7 to ascend and descend, and a self-locking mechanism for self-locking when the power unit fails; 7 both sides of car all are provided with

guide rail

1, and 7 tops of car are provided with the computer lab floor 2 that is used for installing power unit, and computer lab floor 2 is fixed in the building roof, and the winding has cable wire 6 on the power unit output shaft, and balancing weight 8 is connected to 6 one ends of cable wire, and car 7 is connected to the other end, and power unit electric connection self-locking mechanism drives cable wire 6 through power unit work and pulls car 7 and go up and down, and when power unit broke down, there is self-locking mechanism to auto-lock car 7, prevents to take place to fall danger.

Specifically, the power unit comprises a mounting seat 3, a dragging motor 4 and a wire roller 5, wherein the mounting seat 3 is composed of two support plates, the two support plates are fixedly mounted on a floor 2 of the machine room, the dragging motor 4 is mounted on a flange on one support plate, an output shaft of the dragging motor 4 penetrates through the support plates and is rotatably connected with a support plate bearing on the other side, the wire roller 5 for winding a steel cable 6 is fixed in the middle of the output shaft, and the steel cable 6 is driven to move through the work of the dragging motor 4 so as to drive a balancing weight 8 and a lift car 7 to lift;

furthermore, a guide groove 21 parallel to the lifting track of the car 7 is formed in the inner side of the guide rail 1, a guide wheel 20 is embedded in the guide groove 21 and connected in a rolling mode, the guide wheel 20 is rotatably connected to the side wall of the car 7, the car 7 can be prevented from shaking left and right in the lifting process and being scratched on the inner wall of an elevator shaft, and safety is improved.

In order to improve the safety of the elevator, a self-locking mechanism is arranged on a top plate of the car 7 and comprises a self-locking motor 9, a worm 10, a worm wheel 14, a chain 15 and a gear 17, wherein the top plate of the car 7 is fixedly connected with a transverse plate 16, the transverse plate 16 is provided with the self-locking motor 9, the output end of the self-locking motor 9 is rotatably connected with the worm 10, the worm 10 is meshed with the worm wheel 14, one side of the transverse plate 16 is rotatably connected with the gear 17, the gear 17 is meshed with a rack plate 18, the rack plate 18 is fixedly arranged on a guide rail 1 at one side, the gear 17 is connected on the side wall of the worm wheel 14 through the chain 15, the worm wheel 14 is rotatably connected at the upper end of a support 19, the support 19 is fixed in the middle part of the top plate of the car 7, the self-locking motor 9 follows the work along with the dragging of the motor 4 during normal work, the worm wheel 14 drives the gear 17 to rotate through the chain 15, when a fault occurs, the dragging motor 4 loses power and stops working, so that the self-locking motor 9 loses power and works, the worm 10 stops rotating after the self-locking motor 9 loses power, and the worm wheel and the worm drive are unidirectional, namely the worm 10 can drive the worm wheel 14 to rotate, and the worm wheel 14 cannot drive the worm 10 to rotate, so that the worm 10 and the worm wheel 14 cannot rotate after the self-locking motor 9 loses power, so that the gear 17 cannot rotate, the gear 17 is meshed with the rack plate 18 to lock the car 7, and the falling danger is prevented;

install first control box 11 on the mount pad 3, first control box 11 signal connection drags and draws motor 4, and first control box 11 passes through cable 12 electric connection second control box 13, and the two is established ties each other, and second control box 13 signal connection self-locking motor 9, when breaking down, drags and draws motor 4 and first control box 11 to lose the electricity for second control box 13 and the self-locking motor 9 outage of establishing ties with it, thereby play self-locking function.

According to the detailed description of the above embodiments, it is easy to understand that the working principle of the present invention is: the lift car 7 is driven to lift by the steel cable 6 driven by the work of the power unit, when the power unit fails, the lift car 7 is self-locked by the self-locking mechanism to prevent falling danger, the steel cable 6 is driven to move by the work of the dragging motor 4 to drive the lifting of the counterweight block 8 and the lift car 7, the guide wheel 20 is embedded in the guide groove 21 in a matching and rolling manner to prevent the lift car 7 from shaking left and right in the lifting process to scratch the inner wall of an elevator shaft, the safety is improved, when the lift car works normally, the self-locking motor 9 works with the work of the dragging motor 4, the self-locking motor 9 works with the work of the dragging motor 9, the self-locking motor 9 drives the worm 10 to rotate so as to drive the worm wheel 14 to rotate, the worm wheel 14 drives the gear 17 to rotate through the chain 15, when the failure occurs, the dragging motor 4 loses power and stops working, so that the, after the self-locking motor 9 loses power, the worm 10 stops rotating, because the worm gear and worm transmission is unidirectional, namely the worm 10 can drive the worm wheel 14 to rotate, and the worm wheel 14 can not drive the worm 10 to rotate, so after the self-locking motor 9 loses power, the worm 10 and the worm wheel 14 do not rotate, thereby the gear 17 can not rotate, the gear 17 is meshed with the rack plate 18 to lock the car 7, the danger of falling is prevented, when the fault occurs, the power is lost for the dragging motor 4 and the first control box 11, so that the second control box 13 and the self-locking motor 9 which are connected in series with the same are powered off, and the self-locking function is achieved.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.

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. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A safe energy-saving elevator comprises a car (7), a guide rail (1) for guiding the car (7) to lift, a power unit for driving the car (7) to lift and a self-locking mechanism for self-locking when the power unit fails; car (7) both sides all are provided with guide rail (1), its characterized in that, car (7) top is provided with computer lab floor (2) that are used for installing the power unit, and computer lab floor (2) are fixed in the building roof, and the winding has cable wire (6) on the power unit output shaft, and balancing weight (8) are connected to cable wire (6) one end, and car (7) are connected to the other end, power unit electric connection self-locking mechanism.

2. The safe energy-saving elevator as claimed in claim 1, wherein the power unit comprises a mounting seat (3), a dragging motor (4) and a wire roller (5), wherein the mounting seat (3) is composed of two support plates, the two support plates are fixedly arranged on the floor (2) of the machine room, the dragging motor (4) is flange-mounted on the support plate on one side, an output shaft of the dragging motor (4) penetrates through the support plates and is rotatably connected with a support plate bearing on the other side, and the wire roller (5) for winding the steel cable (6) is fixed in the middle of the output shaft.

3. The safe energy-saving elevator as claimed in claim 1, wherein a guide groove (21) parallel to the lifting track of the car (7) is formed in the inner side of the guide rail (1), a guide wheel (20) is embedded in the guide groove (21) in a rolling connection mode, and the guide wheel (20) is rotatably connected to the side wall of the car (7).

4. The safe energy-saving elevator is characterized in that a self-locking mechanism is mounted on a top plate of the car (7) and comprises a self-locking motor (9), a worm (10), a worm wheel (14), a chain (15) and a gear (17), wherein the top plate of the car (7) is fixedly connected with a transverse plate (16), the transverse plate (16) is provided with the self-locking motor (9), the output end of the self-locking motor (9) is rotatably connected with the worm (10), the worm (10) is meshed with the worm wheel (14), one side of the transverse plate (16) is rotatably connected with the gear (17), the gear (17) is meshed with a rack plate (18), the rack plate (18) is fixedly mounted on a guide rail (1) on one side, and the gear (17) is connected to the side wall of the worm wheel (14) through.

5. The safe energy-saving elevator as claimed in claim 2, wherein the mounting seat (3) is provided with a first control box (11), the first control box (11) is connected with the dragging motor (4) through a signal, the first control box (11) is electrically connected with a second control box (13) through a cable (12), the first control box and the second control box are connected in series, and the second control box (13) is connected with the self-locking motor (9) through a signal.

6. A safety energy-saving elevator according to claim 4, characterized in that the worm wheel (14) is rotatably connected to the upper end of a bracket (19), and the bracket (19) is fixed in the middle of the top plate of the elevator car (7).