CN111532944A

CN111532944A - Novel driving elevator

Info

Publication number: CN111532944A
Application number: CN202010371693.0A
Authority: CN
Inventors: 周晓雪
Original assignee: Hangzhou Baochen Technology Co ltd
Current assignee: Hangzhou Baochen Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-14

Abstract

The novel driving elevator comprises a lift car, a lift car frame and a lifting device, wherein the lifting device comprises a support, an upper driving wheel and a lower driving wheel which are fixed on the support, and a driving connecting device for driving the upper driving wheel and the lower driving wheel; the car frame is positioned in the car frame, the car frame is positioned in the support, and the car frame is fixed on the transmission connecting device through a connecting fixing piece; and a speed limiter is arranged in the center of one chain wheel, the speed limiter is connected with a safety gear through a mechanical structure or an electric signal, and at least one of the upper driving wheel and the lower driving wheel is connected with a motor. The novel driving elevator is simple in structure and high in space utilization rate, a counterweight structure matched with the side of the car does not need to be arranged, the space of a shaft way is released, and requirements on the height of a top layer and the depth of a pit are reduced; the traction effect is improved, and the safety problem of slipping is avoided.

Description

Novel driving elevator

Technical Field

The invention belongs to the technical field of elevators, and particularly relates to a novel driving elevator.

Background

The space of the current elevator installation is very limited, and the smaller the space requirement is, the larger the elevator space becomes a big trend in the future. The traction type elevator needs a counterweight structure matched with the car side, the size of the counterweight is large, a large shaft space is occupied, the requirements on the height of a top layer and the depth of a pit are large, and the structure is complex.

Disclosure of Invention

The invention provides a novel driving elevator aiming at the existing problems.

The technical scheme for solving the technical problems is as follows: a novel driving elevator comprises a lift car, a lift car frame and a lifting device, wherein the lifting device comprises a support, an upper driving wheel and a lower driving wheel which are fixed on the support, and a driving connecting device for driving the upper driving wheel and the lower driving wheel; the car frame is positioned in the car frame, the car frame is positioned in the support, and the car frame is fixed on the transmission connecting device through a connecting fixing piece; and the centers of the upper driving wheel and the lower driving wheel are provided with speed limiters, the speed limiters are connected with safety tongs through mechanical structures or electric signals, and at least one of the upper driving wheel and the lower driving wheel is connected with a motor.

The invention is further provided that more than one transmission connecting device is arranged on one side.

The invention is further arranged such that the mechanical structure is a wire rope.

The invention is further arranged that the top of the well and the pit of the well are provided with limit sensors.

The invention is further arranged such that the elevator of each floor is provided with a leveling sensor.

The invention is further arranged that a speed detection sensor is arranged in the speed limiter.

The invention is further provided that the speed measuring sensor is an infrared speed measuring sensor or a laser speed measuring sensor.

The invention is further arranged in such a way that the transmission connecting devices are respectively arranged at the left side and the right side of the car frame, the transmission connecting devices at the left side and the right side realize synchronous transmission through a common connecting shaft, and the connecting shaft is arranged at the top of the well or at the pit of the well.

The car frame is further provided with two upper transmission wheels and two lower transmission wheels, and the transmission connecting devices are respectively positioned on two sides of the car frame and are parallel to the left side wall and the right side wall of the car frame.

The invention is further provided that the number of the upper transmission wheels and the lower transmission wheels is four, every two upper transmission wheels and every two lower transmission wheels are coaxially arranged, each upper transmission wheel and each lower transmission wheel which are arranged at the upper part and the lower part are provided with two transmission connecting devices, the four upper transmission wheels are arranged in pairs in parallel, the four lower transmission wheels are arranged in pairs in parallel, and the four transmission connecting devices are respectively positioned at two sides of the car frame and are parallel to the door of the car; the transmission connecting device is of a non-closed loop structure, the upper end of the transmission connecting device bypasses the upper transmission wheel and is connected with the top of the car frame, and the lower end of the transmission connecting device bypasses the lower transmission wheel and is connected with the bottom of the car.

The invention is further arranged in a way that the transmission connecting device is in a non-closed loop structure, the outer sides of the left side wall and the right side wall of the car frame are connected with an upper driving wheel and a lower driving wheel, the upper end of the transmission connecting device bypasses the upper transmission wheel and is connected with the upper driving wheel, and the lower end of the transmission connecting device bypasses the lower transmission wheel and is connected with the lower driving wheel.

The four-wheel-drive-type transmission device is further arranged in such a way that four upper driving wheels are fixed at the top of the support, the four upper driving wheels are arranged in pairs in parallel, four lower driving wheels are fixed at the bottom of the support, and the four lower driving wheels are arranged in pairs in parallel; an upper cross beam is fixed at the top of the car frame, an upper driving wheel is fixed on the upper cross beam, a lower cross beam is fixed at the bottom of the car frame, and a lower driving wheel is fixed on the lower cross beam; two go up drive wheel, two lower drive wheel, one go up action wheel, one the action wheel is located same plane down, transmission connecting device is non-closed loop structure, two are walked around to transmission connecting device's upper end go up drive wheel and one it fixes to go up the action wheel on the support, two are walked around to transmission connecting device's lower extreme lower drive wheel and one the lower action wheel is fixed on the support.

In conclusion, the novel driving elevator is simple in structure and high in space utilization rate, a counterweight structure matched with the car side is not required to be arranged, the shaft space is released, the requirements on the top layer height and the pit depth are reduced, the traction effect is improved, and the safety problem of slipping is solved.

Drawings

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

FIGS. 1-2 are schematic structural views of another embodiment 1 of the present invention;

FIG. 2-1 is a schematic structural view of example 2 of the present invention;

FIG. 3-1 is a schematic structural view of example 3 of the present invention;

fig. 4-1 is a schematic structural view of embodiment 4 of the present invention.

Wherein, 1, the car frame; 2. a driving wheel is arranged; 3. a lower driving wheel; 4. a drive connection; 5. connecting a fixing piece; 6. a connecting shaft; 7. an upper driving wheel; 8. a lower driven wheel; 9, an upper cross beam; 10. a lower cross beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a novel driving elevator which comprises a lift car, a lift car frame 1 and a lifting device, wherein the lifting device comprises a support, an upper driving wheel 2, a lower driving wheel 3 and a driving connecting device 4, the upper driving wheel 2 and the lower driving wheel 3 are fixed on the support, the driving connecting device 4 is a chain or a synchronous belt, and the upper driving wheel 2 and the lower driving wheel 3 are chain wheels or synchronous belt wheels. The attached drawings of the invention take a chain wheel and a chain as examples for explanation, and the structures of the synchronous belt and the synchronous belt wheel are similar, and are not described again here. The lift car is positioned in the lift car frame 1, the lift car frame 1 is fixed on the transmission connecting device 4 through the connecting fixing piece 5, and the lift car frame can be fixed through multiple points or integrally connected. The center of one upper driving wheel 2 and one lower driving wheel 3 is provided with a speed limiter which is connected with a safety gear through a mechanical structure or an electric signal, wherein the mechanical structure can be a steel wire rope, and at least one of the upper driving wheel 2 and the lower driving wheel 3 is connected with a motor. Wherein, more than one transmission connecting device 4 on one side is arranged. Limiting sensors are arranged at the top of the well and the pit of the well, and a leveling sensor is arranged on the elevator of each floor and used for limiting the car to run over the journey and reach the landing leveling. The speed limiter is internally provided with a speed detection sensor. The speed measuring sensor is an infrared speed measuring sensor or a laser speed measuring sensor.

The invention is provided with a speed limiter and a safety gear, wherein the speed limiter and the safety gear can be arranged as independent mechanical linkage parts, the speed limiter is driven by a steel wire rope to carry out speed control, and the steel wire rope is limited to stop at a certain speed to drive a safety gear linkage mechanism so as to enable the safety gear to act. When the speed limiting device is arranged in the integrated safety gear, a speed measuring chain wheel or a synchronous wheel is arranged for the safety gear, the speed measuring chain wheel or the synchronous wheel is close to one side of the car frame, when the car moves up and down, the speed measuring chain wheel or the synchronous wheel moves relative to the speed measuring chain wheel or the synchronous wheel, when the rotating speed of the speed measuring chain wheel or the synchronous wheel reaches a set speed, the speed can be measured in a mechanical centrifugal or electric sensor mode, the safety gear is driven to act in a linkage or signal input mode, and the guide rail is clamped.

By adopting the technical scheme of the invention, the purposes of high utilization rate of the well and large lift car of a small well can be realized, and the requirements on the height of the top layer and the pit are relatively low.

Example 1

Referring to fig. 1-1 or fig. 1-2, the transmission connecting devices 4 are respectively arranged at the left side and the right side of the car frame 1, synchronous transmission is realized between the transmission connecting devices 4 at the left side and the right side through a common connecting shaft 6, and the connecting shaft 6 is arranged at the top of a hoistway or a hoistway pit. The upper transmission wheel 2 and the lower transmission wheel 3 are respectively provided with two, and the transmission connecting devices 4 are respectively positioned at two sides of the cage and are parallel to the left side wall and the right side wall of the cage.

Example 2

Referring to fig. 2-1, the transmission connecting devices 4 are respectively arranged at the left side and the right side of the car frame 1, synchronous transmission is realized between the transmission connecting devices 4 at the left side and the right side through a common connecting shaft 6, and the connecting shaft 6 is arranged at the top of a well or a well pit. The upper transmission wheels 2 and the lower transmission wheels 3 are four in number respectively, every two upper transmission wheels 2 and every two lower transmission wheels 3 are coaxially arranged, two transmission connecting devices 4 are arranged on every upper transmission wheel 2 and every lower transmission wheel 3, every two upper transmission wheels 2 are arranged in parallel, every two lower transmission wheels 3 are arranged in parallel, and the four transmission connecting devices 4 are located on two sides of the car frame 1 and are parallel to the door of the car. The transmission connecting device 4 is of a non-closed loop structure, the upper end of the transmission connecting device 4 bypasses the upper driving wheel 2 and is connected with the top of the car frame 1, and the lower end of the transmission connecting device 4 bypasses the lower driving wheel 3 and is connected with the bottom of the car frame 1.

Example 3

Referring to fig. 3-1, the transmission connecting devices 4 are respectively arranged at the left side and the right side of the car frame 1, synchronous transmission is realized between the transmission connecting devices 4 at the left side and the right side through a common connecting shaft 6, and the connecting shaft 6 is arranged at the top of a well or a well pit. The transmission connecting device 4 is of a non-closed loop structure, the outer sides of the left side wall and the right side wall of the car frame 1 are connected with an upper driving wheel 7 and a lower driving wheel 8, the upper end of the transmission connecting device 4 bypasses the upper driving wheel 2 to be connected with the upper driving wheel 7 and is fixed at the top of the support, and the lower end of the transmission connecting device 4 bypasses the lower driving wheel 3 to be connected with the lower driving wheel 8 and is fixed at the bottom of the support.

Example 4

Referring to fig. 4-1, four upper driving wheels 2 are fixed at the top of the bracket, the four upper driving wheels 2 are arranged in pairs, four lower driving wheels 3 are fixed at the bottom of the bracket, and the four lower driving wheels 3 are arranged in pairs; an upper cross beam 9 is fixed at the top of the car frame 1, an upper driving wheel 7 is fixed on the upper cross beam 9, a lower cross beam 10 is fixed at the bottom of the car frame 1, and a lower driving wheel 8 is fixed on the lower cross beam 10 (not marked in the figure, the structure is consistent with that of the upper driven wheel 7 in the embodiment, and the direction is opposite); an upper driving wheel 2, a lower driving wheel 3, an upper driving wheel 7 and a lower driving wheel 8 are arranged on the same transmission connecting device 4, the transmission connecting device 4 is of a non-closed loop structure, the upper end of the transmission connecting device 4 bypasses the upper driving wheel 2 and the upper driving wheel 7 to be fixed at the top of the support, and the lower end of the transmission connecting device 4 bypasses the lower driving wheel 3 and the lower driving wheel 8 to be fixed at the bottom of the support.

Besides the above 4 sets of embodiments, the force transmission and reasonable distribution can be realized by adding pulley blocks, for example, a plurality of movable pulleys or fixed pulleys are added between the upper driving wheel 7 and the lower driving wheel 8, so as to realize the steering of the transmission connecting device 4 and the force transmission.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel driving elevator is characterized by comprising a lift car, a lift car frame and a lifting device, wherein the lifting device comprises a support, an upper driving wheel and a lower driving wheel which are fixed on the support, and a driving connecting device for driving the upper driving wheel and the lower driving wheel; the car frame is positioned in the car frame, the car frame is positioned in the support, and the car frame is fixed on the transmission connecting device through a connecting fixing piece; and the centers of the upper driving wheel and the lower driving wheel are provided with speed limiters, the speed limiters are connected with safety tongs through mechanical structures or electric signals, and at least one of the upper driving wheel and the lower driving wheel is connected with a motor.

2. The new drive elevator as claimed in claim 1, wherein more than one drive connection is provided on a single side.

3. The new drive elevator as set forth in claim 1, wherein said mechanical structure is a wire rope.

4. The new drive elevator as claimed in claim 1, wherein the hoistway top and hoistway pit are provided with limit sensors.

5. The new drive elevator according to claim 1, characterized in that the elevator of each floor is provided with a leveling sensor.

6. The novel drive elevator as set forth in claim 1, wherein a speed sensing sensor is provided in the governor.

7. The novel driving elevator as claimed in claim 6, wherein the speed sensor is an infrared speed sensor or a laser speed sensor.

8. The novel driving elevator as claimed in any one of claims 1 to 7, wherein the transmission connection devices are respectively disposed on the left and right sides of the car frame, and the transmission connection devices on the left and right sides realize synchronous transmission through a common connection shaft disposed at the top of the hoistway or at the pit of the hoistway.

9. The novel drive elevator is characterized in that the number of the upper drive wheels and the number of the lower drive wheels are two, and the two drive connecting devices are two and are respectively positioned on two sides of the car frame and are parallel to the left side wall and the right side wall of the car frame.

10. The novel driving elevator as claimed in claim 8, wherein there are four upper driving wheels and four lower driving wheels, each two upper driving wheels and each two lower driving wheels are coaxially disposed, two driving connection devices are disposed on each upper driving wheel and each lower driving wheel, the four upper driving wheels are two-by-two juxtaposed, the four lower driving wheels are two-by-two juxtaposed, and the four driving connection devices are respectively disposed on two sides of the car frame and parallel to the car door; the transmission connecting device is of a non-closed loop structure, the upper end of the transmission connecting device bypasses the upper transmission wheel and is connected with the top of the car frame, and the lower end of the transmission connecting device bypasses the lower transmission wheel and is connected with the bottom of the car frame.

11. The novel drive elevator as claimed in claim 8, wherein the transmission connection device is of an open loop structure, the outer sides of the left and right side walls of the car frame are connected with an upper driving wheel and a lower driving wheel, the upper end of the transmission connection device bypasses the upper driving wheel and is connected with the upper driving wheel, and the lower end of the transmission connection device bypasses the lower driving wheel and is connected with the lower driving wheel.

12. The novel drive elevator as claimed in any one of claims 1 to 7, wherein four upper drive wheels are fixed to the top of the support, the four upper drive wheels are juxtaposed in pairs, four lower drive wheels are fixed to the bottom of the support, and the four lower drive wheels are juxtaposed in pairs; an upper cross beam is fixed at the top of the car frame, an upper driving wheel is fixed on the upper cross beam, a lower cross beam is fixed at the bottom of the car frame, and a lower driving wheel is fixed on the lower cross beam; two go up drive wheel, two lower drive wheel, one go up action wheel, one the action wheel is located same plane down, transmission connecting device is non-closed loop structure, two are walked around to transmission connecting device's upper end go up drive wheel and one it fixes to go up the action wheel on the support, two are walked around to transmission connecting device's lower extreme lower drive wheel and one the lower action wheel is fixed on the support.