CN214652861U

CN214652861U - Novel compound elevator

Info

Publication number: CN214652861U
Application number: CN202120696581.2U
Authority: CN
Inventors: 刘小梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-09
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a novel double entry elevator. Including three-phase asynchronous motor, shaft coupling, fixed pulley, guide rail, counterweight block, elevator support frame, rail block, ball suit and the car of taking electromagnetic brake, the elevator support frame is located the back of car, and two guide rail are fixed to be arranged in the elevator support frame, the car back is provided with two and is listed as rail block, two the guide rail passes two respectively and is listed as rail block, and the ball suit sets up on the elevator support frame, and is located between two guide rails, the upper end of ball suit is passed through ball bearing and is installed at elevator support frame top, ball's lower extreme passes through lead screw shaft bearing and installs on elevator support frame side support. The novel duplex elevator combines the characteristics of the lead screw elevator in the aspects of safety, reliability and balanced stress of the traction elevator, and has the advantages of simple structure, space saving, high reliability, low cost, silence, energy conservation and high speed.

Description

Novel compound elevator

Technical Field

The utility model relates to an elevator technical field specifically is a novel double entry elevator.

Background

The elevator is a necessary delivery vehicle for high-rise buildings at present, is classified according to a driving mode, and can be divided into a traction driving mode, a screw rod elevator mode, a hydraulic elevator mode and the like. The screw rod elevator generally has the advantages of simple structure, safety and reliability, but the manufacturing cost of the screw rod is generally higher; the traction elevator generally has the advantages of balanced stress, balanced operation and mature technology, but has a complex structure, large occupied space and high price; although the price of the hydraulic elevator is low, the hydraulic elevator has the defects of large occupied area, high noise and easy oil leakage. At present, a novel elevator which can combine the advantages of the three elevators into a whole is lacking.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency to the aforesaid exists, the utility model aims at providing a novel double entry elevator, it has combined lead screw elevator safe and reliable and has hauled the balanced characteristics of elevator atress, has simple structure, saves space, the reliability is high, the silence is energy-conserving, the faster advantage of speed to as with hydraulic elevator, low in cost.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a novel duplex elevator is characterized by comprising a three-phase asynchronous motor with an electromagnetic brake, a coupler, a fixed pulley, a guide rail, a counterweight block, an elevator support frame, a guide rail sliding block, a ball screw sleeve and a car, the elevator supporting frame is positioned on the back of the car, the two guide rails are fixedly arranged in the elevator supporting frame, two rows of guide rail sliding blocks are arranged on the back of the car, the two guide rails respectively penetrate through the two rows of guide rail sliding blocks, the ball screw is sleeved on the elevator supporting frame, and is positioned between the two guide rails, the upper end of the ball screw sleeve is arranged at the top of the elevator support frame through a ball bearing, the lower end of the ball screw is installed on a side support of the elevator support frame through a screw rod bearing seat, the ball screw is sleeved with the ball screw and comprises a ball nut, the ball nut and the ball screw are in threaded connection, and the ball nut is connected with the car; the elevator supporting frame top is provided with two fixed pulleys, and the three-phase asynchronous motor who takes electromagnetic brake sets up on the elevator supporting frame between two fixed pulleys, and the motor bearing of the three-phase asynchronous motor who takes electromagnetic brake passes through the shaft coupling and is connected, two on ball screw the below of fixed pulley all is provided with counterweight block, wire rope has been put in the winding on the fixed pulley, and wire rope one end is connected with counterweight block, and the wire rope other end is connected with the car, two counterweight block symmetric position is in the both sides of two guide rails.

Preferably, the bottom of the car, the top of the counterweight block and the bottom of the counterweight block are provided with buffer springs;

preferably, the counterweight block is formed by combining a plurality of counterweight small blocks.

The utility model has the advantages that 1, the modular design is adopted, the weight is light, the structure is simple, the transportation and the installation are convenient, and two workers can finish the installation in a short time;

2. the elevator does not need a machine room and a hoistway, so that the space is saved;

3. the counterweight blocks are used for offsetting the weight of the part of the car side, so that the purposes of reducing the load and improving the stress working condition of the ball screw assembly are achieved, and the safety and the reliability are realized;

4. under the condition of power failure, the elevator has an emergency rescue function of enabling an empty elevator car to ascend to a high floor and safely conveying upstairs passengers, so that the problem that upstairs passengers cannot get off when power failure occurs is avoided.

5. Compared with a traditional screw rod elevator and a traction elevator, the elevator is simpler in structure, completely meets the use requirements in function, is improved in stress and working condition, and reduces the manufacturing cost.

6. The stress is more scientific, and the elevator is quieter when moving, and is also faster, has improved and has taken experience.

Drawings

In order to illustrate the technical solutions of the present invention more clearly, the drawings used in the examples or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only examples of the present invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is the utility model provides a novel double entry elevator's schematic structure diagram.

Fig. 2 is the utility model provides a novel double entry elevator gets rid of the structure schematic diagram behind the elevator support frame.

Description of reference numerals:

the elevator comprises a three-phase asynchronous motor 1 with an electromagnetic brake, a coupler 2, a fixed pulley 3, a guide rail 4, a counterweight 5, an elevator support frame 6, a guide rail slider 7, a ball nut 8, a ball screw 9, a screw shaft bearing seat 10 and a car 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a novel duplex elevator comprises a three-phase asynchronous motor 1 with an electromagnetic brake, a coupler 2, a fixed pulley 3, guide rails 4, a counterweight block 5, an elevator support frame 6, guide rail sliders 7, a ball screw set and a car 11, wherein the elevator support frame 6 is positioned on the back of the car 11, the two guide rails 4 are fixedly arranged in the elevator support frame 6, the back of the car 11 is provided with two rows of guide rail sliders 7, the two guide rails 4 respectively penetrate the two rows of guide rail sliders 7, the ball screw set is arranged on the elevator support frame 6 and positioned between the two guide rails 4, the ball screw set comprises a ball screw 9, a ball nut 8 and a screw bearing seat 10, the upper end of the ball screw 9 is arranged on the top of the elevator support frame 6 through the screw bearing seat 10, the lower end of the ball screw 9 is arranged on a side bracket of the elevator support frame 6 through the screw bearing seat 10, the ball nut 8 is in threaded connection with the ball screw 9, and the ball nut 8 is connected with the car 11; 6 tops of elevator support frame are provided with two fixed pulleys 3, and take three-phase asynchronous motor 1 of electromagnetic brake to set up on elevator support frame 6 between two fixed pulleys 3, take three-phase asynchronous motor 1's of electromagnetic brake motor bearing to pass through shaft coupling 2 and ball upper end and be connected, two the below of fixed pulley 3 all is provided with counterweight 5, wire rope has been put in the winding on the fixed pulley 3, and wire rope one end is connected counterweight 5, and the wire rope other end is connected with the car, two the both sides of two guide rails 4 of counterweight 5 symmetric position.

Further, buffer springs are arranged at the bottom of the car 11, the top of the counterweight block 5 and the bottom of the counterweight block 5; further increasing the safety and riding comfort of the elevator.

Further, the counterweight 5 is formed by combining a plurality of counterweight small blocks; the weight can be conveniently adjusted according to the actual use condition.

The elevator power supply utilizes a frequency conversion technology, after a 220V mains supply is inverted into three-phase power by a frequency converter, a three-phase asynchronous motor 1 driving an electromagnetic brake rotates forwards or backwards, the three-phase asynchronous motor 1 with the electromagnetic brake drives a ball screw 9 to rotate through a coupler 2, the ball screw 9 is in threaded connection with a ball nut 8, the ball nut 8 converts the rotating motion of the ball screw 9 into up-and-down motion, so that a car 11 is driven to ascend or descend along a guide rail 4, and the guide rail 4 and a guide rail sliding block 7 play roles of guiding and limiting deviation so as to protect the ball screw 9 and the ball nut 8;

the counterweight 5 is connected with the lift car through the fixed pulley 3 and the steel wire rope, and part of load is offset.

This elevator has combined lead screw elevator and traction elevator's characteristics on structural design, through using 5 offsets 11 lateral part weights of car to pouring weight for under the condition that does not obviously increase area, reach the lightening load, improve the vice atress of ball and the purpose of operating mode, thereby in ball vice, on accessory selection such as guide rail slider is vice, converter, motor, obtain more economic selection. The emergency elevator is provided with a standby battery to control the electromagnetic brake of the three-phase asynchronous motor to be loosened or tightened, so that the purposes that the elevator can ascend in a no-load mode and the elevator can descend in a passenger carrying mode under the condition of power failure are achieved, and the emergency rescue function is achieved.

The utility model discloses a design: 1. the modular design is adopted, the weight is light, the structure is simple, the transportation and the installation are convenient, and two workers can finish the installation in a short time;

2. the elevator does not need a machine room and a hoistway, so that the space is saved; the floor area is about 0.7 square meter, wherein the support frame is about 0.1 square meter, the car 11 is about 0.6 square meter, the car 11 can be parked in first floor or second floor (or other high floors) according to the use space requirement;

3. is safe and reliable. The elevator inherits the characteristics of safety and reliability of the screw rod elevator and the balance of stress of the traction elevator, and has two obvious characteristics. Firstly, the counterweight block 5 is used for offsetting the weight of the part of the car 11, so that the purposes of reducing the load and improving the stress working condition of the ball screw pair are achieved, particularly, when the elevator runs under light load or is static, the direction of the resultant force borne by the ball screw pair is opposite to that of the resultant force borne by the ball screw pair when the elevator runs under heavy load, the problems of stress on one end of the ball screw pair in a long term and large torque are avoided, the fault rate of a core component (the ball screw pair) of the elevator is lower, and the service life is longer; secondly, under the condition of power failure, the elevator has an emergency rescue function of safely conveying upstairs passengers, the passengers only need to correctly operate a control button (or a remote controller) to loosen the electromagnetic brake of the three-phase asynchronous motor, and the car 11 can slowly fall down or rise (according to the stress balance condition of the car and the counterweight 5), so that even if the car 11 is on the first floor and the passengers are on the second floor (or other high floors), the passengers can still control the elevator to go up to the second floor (or other high floors) and then take the elevator to safely reach the first floor, and the problem that the upstairs passengers cannot go down when power failure occurs is avoided;

4. the elevator has the advantages that the cost is low, the structural design is improved, compared with the traditional screw rod elevator and the traction elevator, the structure is simpler, the functions completely meet the use requirements, the stress and the working condition are improved, and a manufacturer can select more economic models on the selection of elevator accessories, such as a frequency converter, a three-phase asynchronous motor (with an electromagnetic brake), a ball screw pair, a guide rail pair and auxiliary elements, so that the manufacturing cost is greatly reduced; thereby enabling more homes to afford this type of elevator.

5. The stress is more scientific, and the elevator is quieter when moving, and is also faster, has improved and has taken experience.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A novel duplex elevator is characterized by comprising a three-phase asynchronous motor with an electromagnetic brake, a coupler, a fixed pulley, a guide rail, a counterweight block, an elevator support frame, a guide rail sliding block, a ball screw sleeve and a car, the elevator supporting frame is positioned on the back of the car, the two guide rails are fixedly arranged in the elevator supporting frame, two rows of guide rail sliding blocks are arranged on the back of the car, the two guide rails respectively penetrate through the two rows of guide rail sliding blocks, the ball screw is sleeved on the elevator supporting frame, and is positioned between the two guide rails, the upper end of the ball screw sleeve is arranged at the top of the elevator support frame through a ball bearing, the lower end of the ball screw is installed on a side support of the elevator support frame through a screw rod bearing seat, the ball screw is sleeved with the ball screw and comprises a ball nut, the ball nut and the ball screw are in threaded connection, and the ball nut is connected with the car; the elevator supporting frame top is provided with two fixed pulleys, and the three-phase asynchronous motor who takes electromagnetic brake sets up on the elevator supporting frame between two fixed pulleys, and the motor bearing of the three-phase asynchronous motor who takes electromagnetic brake passes through the shaft coupling and is connected, two on ball screw the below of fixed pulley all is provided with counterweight block, wire rope has been put in the winding on the fixed pulley, and wire rope one end is connected with counterweight block, and the wire rope other end is connected with the car, two counterweight block symmetric position is in the both sides of two guide rails.

2. The compound elevator as claimed in claim 1, wherein the car bottom, the counterweight top and the counterweight bottom are provided with buffer springs.

3. A novel compound elevator according to claim 1 or 2, wherein said counterweight is composed of a plurality of counterweight segments.