CN112551310A

CN112551310A - Rear-mounted construction elevator of hauler suitable for building well

Info

Publication number: CN112551310A
Application number: CN202011456579.4A
Authority: CN
Inventors: 孙美生; 许建; 葛小兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-03-26

Abstract

The invention discloses a tractor rear-mounted construction elevator suitable for a building well, which comprises a tractor, a top beam, a traction medium, a suspension cage and a counterweight; the top beam is fixed at the upper end of a building well, and the traction machine is arranged on a bracket outside the well; a second pulley and a third pulley are arranged on the bracket; a fourth pulley, a fifth pulley and a sixth pulley are arranged on the top beam; the top of the cage is provided with a first pulley, and the counterweight is provided with a seventh pulley; one end of the traction medium is led out from the traction machine, sequentially rounds the second pulley, the sixth pulley, the fourth pulley and the first pulley, and is led upwards and fixed; the other end of the traction medium is led out from the traction machine, sequentially rounds the third pulley, the fifth pulley and the seventh pulley, and is led upwards and fixed; the elevator has the advantages of high safety, convenience in maintenance and low noise.

Description

Rear-mounted construction elevator of hauler suitable for building well

Technical Field

The invention relates to the field of building construction elevators, in particular to a rear-mounted construction elevator of a traction machine suitable for a building hoistway.

Background

The conventional building construction elevator is a building machine which adopts a gear, rack meshing mode and the like to enable a suspension cage to do lifting motion and is used for conveying constructors, tools, equipment and materials.

For this reason, we have developed a construction elevator with a rear-mounted traction machine suitable for a hoistway of a building.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a rear-mounted construction elevator of a traction machine, which is suitable for a building hoistway.

In order to achieve the purpose, the invention adopts the technical scheme that: a rear-mounted construction elevator of a traction machine suitable for a building well comprises the traction machine, a top beam, a traction medium, a suspension cage and a counterweight; the top beam is fixed at the upper end of a building well, and the traction machine is arranged on a bracket outside the well; a second pulley and a third pulley are arranged on the bracket; a fourth pulley, a fifth pulley and a sixth pulley are arranged on the top beam; the top of the cage is provided with a first pulley, and the counterweight is provided with a seventh pulley; one end of the traction medium is led out from the traction machine, sequentially rounds the second pulley, the sixth pulley, the fourth pulley and the first pulley, and is led upwards and fixed; the other end of the traction medium is led out from the traction machine, sequentially rounds the third pulley, the fifth pulley and the seventh pulley, and is led upwards and fixed.

Preferably, a tension wheel is arranged below the top beam, the tension wheel deflects to one side of the fifth pulley, and the tension wheel applies a force deflecting to the fifth pulley to the traction medium so as to increase the contact area between the traction medium and the fifth pulley.

Preferably, the fourth pulley and the fifth pulley are located on the same horizontal plane, the fourth pulley is arranged close to the suspension cage, and the fifth pulley is arranged close to the counterweight; the sixth pulley is located above the fifth pulley.

Preferably, the second pulley is located above the third pulley.

Preferably, after the traction medium led out from the seventh pulley is led upwards, the rope end is fixed by the rope end fixing device, the redundant steel wire rope forms a reserved section, and the reserved section is arranged on the top beam after being coiled.

Preferably, the traction medium is a wire rope or a steel belt.

Preferably, the walls of the building shaft are provided with guide rails, and the suspension cage is in sliding fit with the guide rails.

Preferably, the first pulley can be arranged at the top of the suspension cage in a multi-angle mode, and the seventh pulley can be arranged at the top of the counterweight in a multi-angle mode.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

compared with the traditional elevator arranged on the outer wall of a high-rise building, the elevator of the embodiment is arranged in the hoistway of the building, so that the safety is higher; the traction machine is used for driving the steel wire rope or the steel belt suspension cage to lift, so that the lifting device has the advantages of high lifting speed and low noise; the elevator of the embodiment adopts a rear-mounted structure of the traction machine, can plan the largest suspension cage in the existing well, fully utilizes the space of the well, and greatly increases the convenience of maintenance of the traction machine.

Drawings

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

fig. 1 is a schematic view of a rear-mounted construction hoist for a hoistway of a building according to the present invention;

wherein: 1. a traction machine; 2. a top beam; 3. dragging media; 4. a suspension cage; 5. a counterweight; 6. a first pulley; 7. a second pulley; 8. a third pulley; 9. a fourth pulley; 10. a fifth pulley; 11. a sixth pulley; 12. a seventh pulley; 13. a tension wheel; 14. reserving a section; 15. a hoistway; 16. and (4) a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

Referring to fig. 1, the rear-mounted construction hoist for a traction machine suitable for a building hoistway according to the present invention includes a traction machine 1, a top beam 2, a traction medium 3, a cage 4, and a counterweight 5; the top beam 2 is fixed at the upper end of a building well 15, and the traction machine 1 is arranged on a bracket 16 outside the well 15; a second pulley 7 and a third pulley 8 are arranged on the bracket 16, wherein the second pulley 7 is positioned above the third pulley 8; a fourth pulley 9, a fifth pulley 10 and a sixth pulley 11 are arranged on the top beam 2, wherein the fourth pulley 9 and the fifth pulley 10 are positioned on the same horizontal plane, the fourth pulley 9 is arranged close to the cage 4, and the fifth pulley 10 is arranged close to the counterweight 5; the sixth pulley 11 is positioned above the fifth pulley 10; the top of the suspension cage 4 is provided with a first pulley 6, and the counterweight 5 is provided with a seventh pulley 12; one end of the traction medium 3 is led out from the traction machine 1, sequentially rounds a second pulley 7, a sixth pulley 11, a fourth pulley 9 and a first pulley 6, and is led upwards and fixed; the other end of the traction medium 3 is led out from the traction machine 1, sequentially rounds a third pulley 8, a fifth pulley 10 and a seventh pulley 12, and then is led upwards and fixed; the traction medium 3 is a steel wire rope or a steel belt, and the top beam 2 can move up and down.

The present invention is installed in a building hoistway 15, such as an elevator hoistway, and improves safety compared to conventional outdoor-mounted elevators; the two ends of the top beam 2 are fixed on the wall of a well 15 of a building, and after the construction of a certain floor is completed, the mounting position of the top beam 2 is lifted, and the working length of the traction medium 3 is prolonged, so that the maximum lifting height of the lifter is increased; the elevator of the embodiment of the disclosure adopts the traction machine 1 to drive the steel wire rope or the steel belt suspension cage 4 to lift, and compared with the traditional gear rack lifting mode, the elevator has the advantages of high lifting speed and low noise. In order to keep the suspension cage 4 stable, vertical guide rails are arranged on the wall of the building hoistway 15, and the suspension cage 4 is in sliding fit with the guide rails so as to avoid the suspension cage 4 from shaking. The building shaft 15 is provided with a door at each floor, and the cage 4 is lifted and lowered against the side of the building shaft 15 having the door.

Further, a tension wheel 13 is provided below the top beam 2, and the tension wheel 13 presses the traction medium 3 against the fifth pulley 10 to increase a contact area between the fifth pulley 10 and the traction medium 3. The tension wheel 13 is biased to one side of the fifth pulley 10, and the tension wheel 13 applies a force biased to the direction of the fifth pulley 10 to the traction medium 3, so that the contact area between the traction medium 3 and the fifth pulley 10 is increased, and the traction force and the friction force are increased.

Further, after the dragging medium 3 led out from the seventh pulley 12 is led upwards, the rope end is fixed by the rope end fixing device, the redundant steel wire rope forms the reserved section 10, the reserved section 10 is arranged on the top beam 2 after being coiled, and when the maximum liftable height needs to be increased, the reserved section 10 with a certain length can be released to prolong the working length of the dragging medium 3.

In a specific implementation of the present invention, the placing angle of the top beam 2 on the top of the building hoistway 15 is multi-angle, so to match the multi-working condition top beam 2 angle placement, in some embodiments, the first pulley 6 may be arranged at the top of the suspension cage 4 in multi-angle, for example, one side surface of the first pulley 6 and the front side surface of the suspension cage 4 are arranged at an angle of 0 °, 30 °, 60 ° or 90 °, and similarly, the seventh pulley 12 may be arranged at the top of the counterweight 5 in a similar multi-angle manner.

In this embodiment, the first pulley 6 is parallel to the front and rear surfaces of the suspension cage 4, or parallel to the left and right surfaces of the suspension cage 4; the seventh pulley 12 is parallel to the front and rear surfaces of the counterweight 5, or parallel to the left and right surfaces of the counterweight 5.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims

1. A rear-mounted construction elevator of a traction machine suitable for a building well comprises the traction machine, a top beam, a traction medium, a suspension cage and a counterweight; the method is characterized in that: the top beam is fixed at the upper end of a building well, and the traction machine is arranged on a bracket outside the well; a second pulley and a third pulley are arranged on the bracket; a fourth pulley, a fifth pulley and a sixth pulley are arranged on the top beam; the top of the cage is provided with a first pulley, and the counterweight is provided with a seventh pulley; one end of the traction medium is led out from the traction machine, sequentially rounds the second pulley, the sixth pulley, the fourth pulley and the first pulley, and is led upwards and fixed; the other end of the traction medium is led out from the traction machine, sequentially rounds the third pulley, the fifth pulley and the seventh pulley, and is led upwards and fixed.

2. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: and a tension wheel is arranged below the top beam, the tension wheel deflects to one side of the fifth pulley, and the tension wheel applies force deflecting to the traction medium in the direction of the fifth pulley so as to increase the contact area between the traction medium and the fifth pulley.

3. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: the fourth pulley and the fifth pulley are positioned on the same horizontal plane, the fourth pulley is arranged close to the suspension cage, and the fifth pulley is arranged close to the counterweight; the sixth pulley is located above the fifth pulley.

4. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: the second pulley is located above the third pulley.

5. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: after the dragging medium led out from the seventh pulley is led upwards, the rope head is fixed through the rope head fixing device, the redundant steel wire rope forms a reserved section, and the reserved section is arranged on the top beam after being coiled.

6. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: the dragging medium is a steel wire rope.

7. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: the wall of the building well is vertically provided with a guide rail, and the suspension cage is in sliding fit with the guide rail.

8. The traction machine rear-mounted construction elevator applicable to a building hoistway according to claim 1, characterized in that: the first pulley can be arranged at the top of the suspension cage in a multi-angle mode, and the seventh pulley can be arranged at the top of the counterweight in a multi-angle mode.