CN113415701A

CN113415701A - Dual-drive elevator

Info

Publication number: CN113415701A
Application number: CN202110878309.0A
Authority: CN
Inventors: 邱子源; 肖维
Original assignee: Matiz Elevator Co ltd
Current assignee: Matiz Elevator Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-09-21

Abstract

The invention discloses a dual-drive elevator, which relates to the technical field of elevators and comprises a hoistway and a car, wherein the hoistway is in sliding connection with the car, the top of the hoistway is respectively provided with a first traction machine and a second traction machine, one ends of the first traction machine and the second traction machine are respectively connected with a counterweight B and a counterweight A through steel wire ropes, and the other ends of the first traction machine and the second traction machine are respectively connected with a top bridge wheel and a bottom bridge wheel through steel wire ropes. The two sets of driving systems are arranged and overlapped, so that the first traction machine and the second traction machine can be changed to be smaller in specification, the technical difficulty in development of the traction machines is reduced, the first traction machine and the second traction machine are respectively connected with the lift car through the steel wire rope, the two sets of driving systems are not interfered with each other and are completely independent when in use, the balance of the lift car can be kept, the technical difficulty in synchronous control of the two sets of driving systems is greatly reduced, and the safety of elevator operation can be better guaranteed.

Description

Dual-drive elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a dual-drive elevator.

Background

Along with the development of scientific technology, all install the elevator in a lot of floorings to the use of elevator is then indispensable, big load elevator all drives through electric permanent magnetism synchronous traction machine at present, but along with the rapid growth of elevator load, the cost of big load permanent magnetism synchronous traction machine is high enough, can not satisfy the requirement of elevator drive power even, current big load elevator then adopts the scheme of trading the load with speed, increase the wire winding ratio promptly and reach the requirement in the aspect of the load, the operating speed of elevator can reduce according to corresponding proportion, but the current building height is constantly refreshed, can not fine the satisfying to the requirement of elevator delivery efficiency.

Disclosure of Invention

Based on the above, the invention aims to provide a double-drive elevator, so as to solve the technical problems that in the prior art, the scheme of changing the load at speed is adopted, namely the rope winding ratio is increased to meet the requirement on the load, the running speed of the elevator can be reduced according to the corresponding proportion, but the requirement on the carrying efficiency of the elevator cannot be well met due to continuous refreshing of the current building height.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dual drive elevator, includes well, car, sliding connection between well and the car, first hauler and second hauler are installed respectively to the top of well, the one end of first hauler and second hauler is connected with counter weight B and counter weight A through wire rope respectively, and the other end of first hauler and second hauler is connected with bridge top wheel and bridge bottom wheel through wire rope respectively, the top and the bottom at the car are installed respectively to bridge top wheel and bridge bottom wheel.

By adopting the technical scheme, the two driving systems are arranged and overlapped, so that the first traction machine and the second traction machine can be changed into smaller specifications, the technical difficulty in traction machine development is reduced, the two driving systems are not interfered with each other and are completely independent, the balance of the lift car can be kept, the technical difficulty in synchronous control of the two driving systems is greatly reduced, and the safety of elevator operation can be better guaranteed.

The invention is further provided that the hoistway and the car, and the counterweight B and the counterweight A are connected through slide rails.

Through adopting above-mentioned technical scheme, guarantee better removal in the well of car, counter weight B and counter weight A, the work of being convenient for.

The invention is further arranged that a plurality of groups of third fixed pulleys which are uniformly arranged are respectively arranged in the hoistway.

Through adopting above-mentioned technical scheme, utilize third fixed pulley to change the strand number of wire rope when pulling counter weight B, counter weight A and car to improve equipment's stability, with bearing strength.

The invention is further provided that the counterweight B and the counterweight A are respectively provided with a first fixed pulley and a second fixed pulley which are matched with each other.

Through adopting above-mentioned technical scheme, utilize the effect of first fixed pulley and second fixed pulley, be convenient for stable pulling counter weight B and counter weight A, be convenient for its steady operation.

In summary, the invention mainly has the following beneficial effects:

1. the two sets of driving systems are arranged and overlapped, so that the first traction machine and the second traction machine can be changed into smaller specifications, and the technical difficulty in development of the traction machines is reduced;

2. the first traction machine and the second traction machine are respectively connected with the lift car through the steel wire rope, the first traction machine and the second traction machine are not interfered with each other and are completely independent when being driven, the balance of the lift car can be kept, the technical difficulty of synchronous control of two sets of driving systems is greatly reduced, and the safety of elevator operation can be better guaranteed;

3. the counterweight A and the counterweight B are arranged, so that the equipment volume size is reduced for a large-tonnage elevator, the production, the transportation and the installation are facilitated, the counterweight A and the counterweight B are respectively arranged in the residual spaces at the two sides of the hoistway, and the utilization rate of the hoistway is greatly improved.

Drawings

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

fig. 2 is a force diagram of the present invention.

In the figure: 1. a hoistway; 2. a car; 3. a bridge top wheel; 4. a bridge bottom wheel; 5. balancing weight A; 6. a counterweight B; 7. a first fixed pulley; 8. a second fixed pulley; 9. a first traction machine; 10. a second traction machine; 11. and a third fixed pulley.

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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A dual-drive elevator is disclosed, as shown in figure 1-2, comprising a well 1 and a car 2, the well 1 is connected with the car 2 in a sliding way, the top of the well 1 is respectively provided with a first traction machine 9 and a second traction machine 10, one end of the first traction machine 9 and one end of the second traction machine 10 are respectively connected with a counterweight B6 and a counterweight A5 through steel wire ropes, the other end of the first traction machine 9 and the other end of the second traction machine 10 are respectively connected with a bridge top wheel 3 and a bridge bottom wheel 4 through steel wire ropes, the bridge top wheel 3 and the bridge bottom wheel 4 are respectively arranged at the top and the bottom of the car 2, and the two sets of driving systems are arranged to be overlapped, namely, the first traction machine 9 and the second traction machine 10 can be changed into smaller specifications, the technical difficulty of traction machine development is reduced, the two sets of driving systems are not interfered with each other and are completely independent, the balance of the cars can be kept, and the technical difficulty of synchronous control of the two sets of driving systems is greatly reduced, the safety of the elevator operation can be better guaranteed.

Referring to fig. 1 and 2, the hoistway 1 and the car 2, and the counterweight B6 and the counterweight a5 are connected by sliding rails, so as to ensure that the car 2, the counterweight B6 and the counterweight a5 move better in the hoistway 1, and facilitate work.

Referring to fig. 1 and 2, a plurality of sets of third fixed pulleys 11 are respectively disposed in the hoistway 1, and the number of strands of the wire rope when the third fixed pulleys 11 are used to pull the counterweight B6, the counterweight a5, and the car 2 is changed, thereby improving the stability and the load-bearing strength of the equipment.

Referring to fig. 1 and 2, the counterweight B6 and the counterweight a5 are respectively provided with a first fixed pulley 7 and a second fixed pulley 8 which are engaged with each other, so that the counterweight B6 and the counterweight a5 can be stably pulled by the first fixed pulley 7 and the second fixed pulley 8, thereby facilitating the stable operation thereof.

The working principle of the invention is as follows: when the elevator is used, one set of steel wire rope respectively penetrates through the top bridge wheel 3, the first traction machine 9, the counterweight B6 and the three sets of third fixed pulleys 11 of the car 2 to form a set of driving system, the other set of steel wire rope respectively penetrates through the bottom bridge wheel 4, the second traction machine 10, the counterweight A5 and the three sets of third fixed pulleys 11 of the car 2 to form another set of driving system, and the two sets of driving systems are overlapped, so that the first traction machine 9 and the second traction machine 10 can be changed into smaller specifications, the technical difficulty in traction machine development is reduced, the two sets of driving systems are not interfered with each other and are completely independent when in use, the balance of the car can be kept, the technical difficulty in synchronous control of the two sets of driving systems is greatly reduced, and the safety of elevator operation can be better guaranteed;

and because of being provided with counter weight A5 and counter weight B again for large-tonnage elevator, the equipment volume size that reduces is more favorable to production, transportation and installation, and counter weight A5 and counter weight B install respectively in the residual space of well 1 both sides, and improved the utilization ratio of well 1 greatly.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. A dual drive elevator, includes well (1), car (2), its characterized in that: sliding connection between well (1) and car (2), first hauler (9) and second hauler (10) are installed respectively to the top of well (1), first hauler (9) are connected with counter weight B (6) and counter weight A (5) through wire rope respectively with the one end of second hauler (10), and the other end of first hauler (9) and second hauler (10) is connected with bridge top wheel (3) and bridge bottom wheel (4) through wire rope respectively, the top and the bottom at car (2) are installed respectively to bridge top wheel (3) and bridge bottom wheel (4).

2. A dual drive elevator according to claim 1, characterized in that: the hoistway (1) is connected with the car (2), the counterweight B (6) and the counterweight A (5) through slide rails.

3. A dual drive elevator according to claim 1, characterized in that: and multiple groups of third fixed pulleys (11) which are uniformly arranged are respectively arranged in the hoistway (1).

4. A dual drive elevator according to claim 1, characterized in that: and a first fixed pulley (7) and a second fixed pulley (8) which are matched with each other are respectively arranged in the balance weight B (6) and the balance weight A (5).