CN114314275A

CN114314275A - Safety device of vertical lift elevator

Info

Publication number: CN114314275A
Application number: CN202111513648.5A
Authority: CN
Inventors: 李玘
Original assignee: Suzhou Juzhai Electronic Technology Co ltd
Current assignee: Suzhou Juzhai Electronic Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-12

Abstract

The invention discloses a safety device of a vertical elevator, which comprises an installation frame, wherein the inner cavity wall of the installation frame is connected with an elevator in a sliding manner, the upper end surface of the installation frame is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a reel, the outer wall of the reel is in transmission connection with a steel wire rope, a sliding column is fixedly connected between vertical plates, the middle part of the sliding column is fixedly connected with a magnetic block, the outer wall of the sliding column is symmetrically and slidably connected with magnetic rods, the inner side wall of the vertical plate is fixedly connected with a clamping plate through a second spring telescopic rod, and anti-skidding thread protrusions are uniformly arranged on the inner cavity wall of the clamping plate. This vertical lift elevator safety device has solved current elevator safety device and has appeared the problem or just can not effectually carry out urgent locking to the elevator when the outage condition appears at monitored control system, and not only application scope is low, has still reduced elevator's safety device's security performance's problem.

Description

Safety device of vertical lift elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a safety device of a vertical elevator.

Background

With the continuous development of economic society, the number of high-rise buildings is increased, the use of elevators is more and more popular, and because the design of elevator safety systems is imperfect, safety accidents related to elevators often occur. For example, when the vertical lift elevator runs abnormally, the elevator often falls, passengers fall and fall to be injured, and other accidents, which seriously threaten the life safety and property of people, therefore, the elevator needs to be matched with the safety device of the lift elevator to be used when the elevator is used.

The publication number is: CN201820566752.8 discloses safety device of vertical lift elevator, including device main part, base, elevator and switch board, the top of device main part is provided with the bearing plate, bearing plate and device main part fixed connection, and the middle part of device main part is provided with elevator, elevator and device main part swing joint, elevator's left side top is provided with the location inductor, and the location inductor is connected with elevator embedding.

Above-mentioned patent document feeds back to control system through control elevator functioning speed, and when elevator's functioning speed was too high, control system will give speed controller and send the instruction of speed reduction, has improved vertical elevator's safe operation ability, and the quantity of guide rail is four, and elevator's four angles are connected on four guide rails through the pulley respectively, make elevator operation in-process atress more even, move more steadily. However, if the monitoring system has problems or the elevator cannot be effectively locked emergently in case of power failure, the application range is low, and the safety performance of the safety device of the elevator is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a safety device of a vertical elevator, which solves the problems that the conventional safety device of the elevator cannot effectively and emergently lock the elevator when a monitoring system is in trouble or a power failure occurs, has a low application range and reduces the safety performance of the safety device of the elevator.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a safety device of a vertical lifting elevator comprises a mounting frame, an elevator is connected with the inner cavity wall of the mounting frame in a sliding way, the upper end surface of the mounting frame is fixedly connected with a driving motor, the output shaft end of the driving motor is fixedly connected with a reel, the outer wall of the reel is in transmission connection with a steel wire rope, the left end of the steel wire rope is fixedly connected with a balancing weight, the counterweight block is connected with the inner cavity wall of the mounting frame in a sliding way, the right end of the steel wire rope is fixedly connected with the upper part of the elevator, the inner cavity wall of the mounting frame is provided with a locking mechanism, the upper end surface of the mounting frame is symmetrically and fixedly connected with vertical plates, a sliding column is fixedly connected between the vertical plates, a magnetic block is fixedly connected at the middle part of the sliding column, magnetic rods are symmetrically and slidably connected on the outer wall of the sliding column, the inside wall of riser passes through second spring telescopic link fixedly connected with grip block, the inner chamber wall of grip block evenly is provided with anti-skidding screw thread arch.

Preferably, the magnetic rod and the magnetic block are the same magnetic pole, the lower end face of the magnetic rod is fixedly connected with the clamping plate, and the magnetic block is electrically connected with the driving motor.

Preferably, the locking mechanism comprises an electric telescopic rod, a supporting plate, limiting teeth, a rack, an L-shaped plate, a switch button, a transmission shaft, a belt, a disc, an extrusion rod, a support, an alarm, a first spring telescopic rod and a rubber pad, and the upper end face of the elevator is fixedly connected with the electric telescopic rod.

Preferably, electric telescopic handle's right-hand member fixedly connected with backup pad, the spacing tooth of right side wall symmetry fixedly connected with of backup pad, the interior chamber wall symmetry fixedly connected with rack of installing frame, the up end fixedly connected with L shaped plate of installing frame.

Preferably, shift knob is installed to the lower terminal surface of L shaped plate, spacing tooth meshes with the rack mutually, the right side wall symmetry of installing frame rotates and is connected with the transmission shaft, the outer wall transmission of transmission shaft is connected with the belt, is close to upper portion the right side wall fixedly connected with disc of transmission shaft.

Preferably, the right side wall of the disc is connected with an extrusion rod in a sliding mode, and the switch button is electrically connected with the electric telescopic rod.

Preferably, the upper end face of installing frame fixedly connected with alarm, alarm and shift knob electric connection, the first spring telescopic link of symmetry fixedly connected with at the bottom of the chamber of installing frame.

Preferably, the upper end face of the first spring telescopic rod is fixedly connected with a rubber pad, and the right side wall of the elevator is fixedly connected with the outer wall of the belt through a support.

Advantageous effects

The invention provides a safety device of a vertical lifting elevator. The method has the following beneficial effects:

(1) the safety device of the vertical elevator comprises a reel, a steel wire rope, a vertical plate, a sliding column, a magnetic block, a magnetic rod, a second spring telescopic rod and a clamping plate, wherein the magnetic block is driven to be powered off by the power-off of a driving motor when the elevator is powered off and has a power failure, the magnetic block and the magnetic rod are the same magnetic pole, so that the magnetic rod cannot be repelled when the magnetic block loses magnetic force after the power failure, at the moment, the second spring telescopic rod resets to push the two magnetic rods to slide and approach to each other on the outer wall of the sliding column so as to drive the clamping plate to clamp and fix the left side wall and the right side wall of the steel wire rope, and the anti-skidding thread bulge which is the same as the steel wire rope is arranged on the inner side wall of the clamping plate, so that the outer wall of the steel wire rope can be clamped and clamped better, the steel wire rope can be placed to drive the elevator to descend continuously, and the elevator can be effectively locked when the power failure occurs, the application range of the safety device of the elevator is widened.

(2) The safety device of the vertical elevator comprises an electric telescopic rod, a supporting plate, limiting teeth, a rack, an L-shaped plate, a switch button, a transmission shaft, a belt, a disc, an extrusion rod, a support, an alarm, a first spring telescopic rod and a rubber pad, wherein when the elevator breaks down under the condition of no power failure, the support pulls the belt to rapidly drive the transmission shaft to rotate, the disc is driven to rapidly rotate, so that the extrusion rod slidably connected with the side wall of the disc generates centrifugal force to throw the extrusion rod out, the extrusion rod slides out to extrude the switch button, the switch button simultaneously starts the electric telescopic rod and the alarm, the supporting plate and the limiting teeth are pushed to move right to be meshed with the rack when the electric telescopic rod extends, the elevator is limited and fixed, the elevator is prevented from continuously descending to be in accidents, and the elevator which breaks down can be emergently locked under the condition of no power failure, the safety performance of elevator safety device has further been improved, can adapt to the trouble of elevator under the different situation, and the alarm also can be in time opened trapezoidal staff and look over and maintain, save the artifical troublesome nature of pressing down the warning, and if the elevator breaks down when near bottom down, the elevator can at first fall on the rubber mat and then compress the shrink of first spring telescopic link, can effectively cushion the dynamics that the elevator descends, alleviate the counter-impact force that the elevator receives, can alleviate the condition of equipment and personnel's injury.

Drawings

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

fig. 2 is a schematic view, partially in section, of a reel in accordance with the invention;

FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the right-hand overall mounting arrangement of the present invention;

FIG. 5 is an enlarged view of the area B in FIG. 4 according to the present invention;

fig. 6 is a schematic view of the rear view overall installation structure of the present invention.

In the figure: 1. installing a frame; 2. an elevator; 3. a drive motor; 4. a wire rope; 5. a balancing weight; 6. a reel; 7. a locking mechanism; 71. an electric telescopic rod; 72. a support plate; 73. limiting teeth; 74. a rack; 75. an L-shaped plate; 76. a switch button; 77. a drive shaft; 78. a belt; 79. a disc; 710. an extrusion stem; 711. a support; 712. an alarm; 713. a first spring telescopic rod; 714. a rubber pad; 8. a vertical plate; 9. a traveler; 10. a magnetic block; 11. a magnetic rod; 12. a second spring telescopic rod; 13. a clamping plate; 14. and the anti-skid thread is raised.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the first embodiment is as follows: a safety device of a vertical lifting elevator comprises an installation frame 1, an elevator 2 is connected to the inner cavity wall of the installation frame 1 in a sliding mode, a driving motor 3 is fixedly connected to the upper end face of the installation frame 1, a reel 6 is fixedly connected to the output shaft of the driving motor 3, a steel wire rope 4 is connected to the outer wall of the reel 6 in a transmission mode, a balancing weight 5 is fixedly connected to the left end of the steel wire rope 4, the balancing weight 5 is connected to the inner cavity wall of the installation frame 1 in a sliding mode, the right end of the steel wire rope 4 is fixedly connected to the upper portion of the elevator 2, a locking mechanism 7 is installed on the inner cavity wall of the installation frame 1, vertical plates 8 are symmetrically and fixedly connected to the upper end face of the installation frame 1, sliding columns 9 are fixedly connected between the vertical plates 8, magnetic blocks 10 are fixedly connected to the middle portions of the sliding columns 9, magnetic rods 11 are symmetrically and slidably connected to the outer walls of the sliding columns 9, and clamping plates 13 are fixedly connected to the inner side walls of the vertical plates 8 through second spring telescopic rods 12, the inner cavity wall of the clamping plate 13 is uniformly provided with anti-skid thread protrusions 14, the magnetic rod 11 and the magnetic block 10 are the same magnetic pole, the lower end face of the magnetic rod 11 is fixedly connected with the clamping plate 13, and the magnetic block 10 is electrically connected with the driving motor 3. Through the matching of the reel 6, the steel wire rope 4, the vertical plate 8, the sliding column 9, the magnetic block 10, the magnetic rod 11, the second spring telescopic rod 12 and the clamping plate 13 with the anti-skid thread bulge 14, firstly, when the elevator 2 is in power failure, the power failure of the driving motor 3 can drive the magnetic block 10 to be powered off, because the magnetic block 10 and the magnetic rod 11 are the same magnetic pole, the magnetic force is lost after the power failure of the magnetic block 10, the magnetic rod 11 can not be repelled, at the moment, the second spring telescopic rod 12 can push the two magnetic rods 11 to slide and approach to each other on the outer wall of the sliding column 9 after resetting, and further the clamping plate 13 is driven to clamp and fix the left and right side walls of the steel wire rope 4, and because the anti-skid thread bulge 14 which is the same as the steel wire rope 4 is arranged on the inner side wall of the clamping plate 13, the outer wall of the steel wire rope 4 can be better clamped and can be placed to continuously drive the elevator 2 to descend, can carry out effectual locking to elevator 2 when the outage condition appears, improve elevator safety device's application scope.

Example two: the difference between this embodiment and the first embodiment is: the locking mechanism 7 comprises an electric telescopic rod 71, a support plate 72, limit teeth 73, a rack 74, an L-shaped plate 75, a switch button 76, a transmission shaft 77, a belt 78, a disc 79, an extrusion rod 710, a support 711, an alarm 712, a first spring telescopic rod 713 and a rubber pad 714, the upper end surface of the elevator 2 is fixedly connected with the electric telescopic rod 71, the right end of the electric telescopic rod 71 is fixedly connected with the support plate 72, the right side wall of the support plate 72 is symmetrically and fixedly connected with the limit teeth 73, the inner cavity wall of the installation frame 1 is symmetrically and fixedly connected with the rack 74, the upper end surface of the installation frame 1 is fixedly connected with the L-shaped plate 75, the lower end surface of the L-shaped plate 75 is provided with the switch button 76, the limit teeth 73 are meshed with the rack 74, the right side wall of the installation frame 1 is symmetrically and rotatably connected with the transmission shaft 77, the outer wall of the transmission shaft 77 is in transmission connection with the belt 78, and the right side wall close to the transmission shaft 77 at the upper part is fixedly connected with the disc 79, the right side wall of disc 79 has extrusion pole 710, shift knob 76 and electric telescopic handle 71 electric connection, and the up end fixedly connected with alarm 712 of installing frame 1, alarm 712 and shift knob 76 electric connection, the symmetry fixedly connected with first spring telescopic link 713 at the bottom of the chamber of installing frame 1, the up end fixedly connected with rubber pad 714 of first spring telescopic link 713, the right side wall of elevator 2 passes through support 711 and belt 78 outer wall fixed connection. Through the locking mechanism 7 comprising the electric telescopic rod 71, the support plate 72, the limit teeth 73, the rack 74, the L-shaped plate 75, the switch button 76, the transmission shaft 77, the belt 78, the disc 79, the extrusion rod 710, the support 711, the alarm 712 and the cooperation of the first spring telescopic rod 713 and the rubber pad 714, when the elevator 2 fails and is not powered off, the elevator 2 descends rapidly, the support 711 pulls the belt 78 to rapidly transmit the transmission shaft 77 to rotate, the disc 79 is driven to rotate rapidly, the extrusion rod 710 connected with the side wall of the disc 79 in a sliding manner generates centrifugal force to throw the extrusion rod 710 out, the extrusion rod 710 slides out of the extrusion switch button 76, the switch button 76 starts the electric telescopic rod 71 and the alarm 712 at the same time, and when the electric telescopic rod 71 extends, the support plate 72 and the limit teeth 73 are pushed to move right to be meshed with the rack 74, so that the elevator 2 is limited and fixed, avoid 2 continuous decline accidents that take place of elevator, can carry out urgent locking to the elevator that breaks down under the condition that does not have the outage, further improved elevator safety device's security performance, can adapt to the trouble of elevator under the different situation, and alarm 712 also can be in time opened trapezoidal staff and look over and maintain, save the manual work and press the troublesome nature of reporting to the police, and if elevator 2 breaks down when nearly going to the bottom, elevator 2 can at first fall on rubber pad 714 and compress the shrink of first spring telescopic link 713, can effectively cushion the dynamics that elevator 2 descends, alleviate the counter impact force that the elevator receives, can alleviate the condition of equipment and personnel's injury.

When the elevator safety device works, firstly, when the elevator 2 is in power failure, the driving motor 3 is powered off to drive the magnetic block 10 to be powered off, because the magnetic block 10 and the magnetic rod 11 are the same magnetic poles, magnetic force is lost after the magnetic block 10 is powered off, the magnetic rod 11 cannot be repelled, at the moment, the second spring telescopic rod 12 is reset to push the two magnetic rods 11 to slide and approach to each other on the outer wall of the sliding column 9, and further the clamping plate 13 is driven to clamp and fix the left side wall and the right side wall of the steel wire rope 4, and because the inner side wall of the clamping plate 13 is provided with the anti-skidding thread bulge 14 which is the same as the steel wire rope 4, the outer wall of the steel wire rope 4 can be better clamped and clamped, the steel wire rope 4 can be placed to continuously drive the elevator 2 to descend, the elevator 2 can be effectively locked when the power failure occurs, the application range of the elevator safety device is improved, when the elevator 2 fails under the condition of no power failure, the elevator 2 descends rapidly, the belt 78 is pulled by the support 711 to rapidly drive the transmission shaft 77 to rotate, the disc 79 is driven to rotate rapidly, the extrusion rod 710 connected with the side wall of the disc 79 in a sliding manner generates centrifugal force to throw the extrusion rod 710 out, the extrusion rod 710 slides out of the extrusion switch button 76, the switch button 76 simultaneously starts the electric telescopic rod 71 and the alarm 712 at the moment, the electric telescopic rod 71 pushes the support plate 72 and the limit teeth 73 to move right when extending to be meshed with the rack 74, so that the elevator 2 is limited and fixed, accidents caused by continuous descending of the elevator 2 are avoided, the elevator with faults can be locked emergently without power failure, the safety performance of the elevator safety device is further improved, the elevator safety device can adapt to the faults of the elevator under different conditions, and the alarm 712 can also start trapezoidal workers to check and maintain in time, the trouble of manual pressing for alarming is saved, and if the elevator 2 goes down to the bottom and breaks down, the elevator 2 firstly falls on the rubber pad 714 to compress the first spring telescopic rod 713 to contract, so that the descending force of the elevator 2 can be effectively buffered, the counter-impact force on the elevator can be reduced, and the damage to equipment and personnel can be reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vertical lift elevator safety device, includes installing frame (1), its characterized in that: the elevator is characterized in that an elevator (2) is connected to the inner cavity wall of the mounting frame (1) in a sliding manner, a driving motor (3) is fixedly connected to the upper end face of the mounting frame (1), a reel (6) is fixedly connected to the output shaft of the driving motor (3), a steel wire rope (4) is connected to the outer wall of the reel (6) in a transmission manner, a balancing weight (5) is fixedly connected to the left end of the steel wire rope (4), the balancing weight (5) is connected to the inner cavity wall of the mounting frame (1) in a sliding manner, the right end of the steel wire rope (4) is fixedly connected to the upper portion of the elevator (2), a locking mechanism (7) is installed on the inner cavity wall of the mounting frame (1), vertical plates (8) are symmetrically and fixedly connected to the upper end face of the mounting frame (1), sliding columns (9) are fixedly connected between the vertical plates (8), and magnetic blocks (10) are fixedly connected to the middle portions of the sliding columns (9), the outer wall symmetry sliding connection of traveller (9) has magnetic pole (11), the inside wall of riser (8) is through second spring telescopic link (12) fixedly connected with grip block (13), the inner chamber wall of grip block (13) evenly is provided with anti-skidding screw thread arch (14).

2. A safety device for a vertical lift elevator according to claim 1, characterized in that: the magnetic rod (11) and the magnetic block (10) are the same magnetic pole, the lower end face of the magnetic rod (11) is fixedly connected with the clamping plate (13), and the magnetic block (10) is electrically connected with the driving motor (3).

3. A safety device for a vertical lift elevator according to claim 1, characterized in that: locking mechanical system (7) include electric telescopic handle (71), backup pad (72), spacing tooth (73), rack (74), L shaped plate (75), shift knob (76), transmission shaft (77), belt (78), disc (79), extrusion stem (710), support (711), alarm (712), first spring telescopic link (713) and rubber pad (714), the up end fixedly connected with electric telescopic handle (71) of elevator (2).

4. A safety device for a vertical lift elevator according to claim 3, characterized in that: the right-hand member fixedly connected with backup pad (72) of electric telescopic handle (71), the spacing tooth of right side wall symmetry fixedly connected with (73) of backup pad (72), the interior chamber wall symmetry fixedly connected with rack (74) of installing frame (1), up end fixedly connected with L shaped plate (75) of installing frame (1).

5. A safety device for a vertical lift elevator according to claim 4, characterized in that: shift knob (76) are installed to the lower terminal surface of L shaped plate (75), spacing tooth (73) and rack (74) mesh mutually, the right side wall symmetry of installing frame (1) rotates and is connected with transmission shaft (77), the outer wall transmission of transmission shaft (77) is connected with belt (78), is close to upper portion the right side wall fixedly connected with disc (79) of transmission shaft (77).

6. A safety device for a vertical lift elevator according to claim 5, characterized in that: the right side wall of the disc (79) is connected with an extrusion rod (710) in a sliding mode, and the switch button (76) is electrically connected with the electric telescopic rod (71).

7. A safety device for a vertical lift elevator according to claim 6, characterized in that: the alarm device is characterized in that the upper end face of the mounting frame (1) is fixedly connected with an alarm (712), the alarm (712) is electrically connected with a switch button (76), and a first spring telescopic rod (713) is symmetrically and fixedly connected with the bottom of the cavity of the mounting frame (1).

8. A safety device for a vertical lift elevator according to claim 7, characterized in that: the upper end face of the first spring telescopic rod (713) is fixedly connected with a rubber pad (714), and the right side wall of the elevator (2) is fixedly connected with the outer wall of the belt (78) through a support (711).