CN213595658U

CN213595658U - Traction guide structure of horizontally-mounted machine-room-less elevator

Info

Publication number: CN213595658U
Application number: CN202022523294.XU
Authority: CN
Inventors: 朱明福; 夏新富
Original assignee: Guangdong Huakai Elevator Co ltd
Current assignee: Guangdong Huakai Elevator Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-02
Anticipated expiration: 2030-11-04

Abstract

A transversely-mounted traction guide structure of a machine-room-less elevator comprises a hoistway, a car arranged in the hoistway, a counterweight, a tractor and a reverse rope pulley set, wherein the reverse rope pulley set is transversely arranged at the bottom of the car, the counterweight is arranged at the back of the car, the tractor is arranged above the counterweight, a cross beam for fixedly arranging the tractor is arranged at the top of the hoistway, the tractor is fixedly arranged on the cross beam, an output shaft of the tractor is connected with a traction wheel, the bottom of the cross beam is provided with a guide wheel through a guide wheel frame, the guide wheel is arranged below the traction wheel for transmission and guide, a height difference with a certain distance is arranged between a guide wheel center shaft and a traction wheel center shaft, so that the distance between the guide wheel center shaft and the traction wheel center shaft is proper, when the traction rope passes through the guide wheel, the friction and the vibration generated by the traction rope are reduced, and the noise is reduced, thereby effectively improving the comfort of the use of the elevator.

Description

Traction guide structure of horizontally-mounted machine-room-less elevator

Technical Field

The utility model belongs to the technical field of the elevator, concretely relates to horizontal dress formula does not have machine room elevator tow guide structure.

Background

In recent years, the development of the elevator industry has been changed from the traditional elevator with a machine room to the elevator without the machine room, and the elevator without the machine room adopts frequency conversion and speed regulation microcomputer control, and has a great difference from the traditional vertical elevator in structure. In order to save space, the machine room-less elevator changes the control cabinet, the traction machine, the speed limiter and other devices which are installed in the machine room above the well in the past into installation in the well, cancels the special machine room arrangement, and reduces the construction cost while effectively improving the utilization rate of the building area. And current elevator arrangement structure has some not enoughly, and the noise that the friction of towline produced when the elevator operation is great, influences the travelling comfort of whole elevator operation, in addition traditional no computer lab elevator, the size restriction in the well is more strict, is unfavorable for the installation of elevator to reform transform and the maintenance work in later stage, and the selectivity of elevator installation receives the well size restriction great to the usage space of elevator has been influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a transversely install no computer lab elevator tow guide structure.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a horizontal installation formula does not have machine room elevator tow guide structure, includes the well, installs car in the well, to heavy, hauler and counter rope wheelset, counter rope wheelset transverse installation is in the bottom of car, to heavy back of installing at the car, the hauler is installed in heavy top, the top of well is provided with the crossbeam that is used for the fixed mounting hauler, hauler fixed mounting is on the crossbeam, the output shaft of hauler has the driving sheave, the leading wheel is installed through the direction wheel carrier in the bottom of crossbeam, the difference in height between the center pin of leading wheel and the center pin of driving sheave is in 350mm to 450mm within range, the left and right sides of car is equipped with the car guide rail that is used for carrying out car removal direction, to heavy left and right sides be equipped with and be used for carrying out to heavy guide rail that removes the direction.

As the utility model discloses further improvement, still be equipped with the tensioning wheelset in the well, the tensioning wheelset sets up the one side that is close to leading wheel mounted position in the well, the tensioning wheelset is equipped with two take-up pulleys, and two take-up pulleys are arranged along the vertical interval in well side.

As the utility model discloses further improvement, still install first rope hitch plate on the crossbeam, the top of well is equipped with the longeron, the offside at the tensioning wheelset is installed to the longeron, install second rope hitch plate on the longeron, connect through the driving of haulage rope between heavy, traction sheave, leading wheel, tensioning wheelset and the diversion sheave group, the both ends of haulage rope are fixed respectively in first rope hitch plate and second rope hitch plate.

As a further improvement of the utility model, the central plane of the reverse rope wheel set and the central plane of the second rope hitch plate are arranged in a coplanar manner in space.

As a further improvement of the utility model, the proportional relation between the net width W1 of the well and the net width W2 of the car is 11: 8.

As a further improvement of the utility model, the interval between car and the car guide rail is 50-60mm, connect through leading boots between car and the car guide rail, lead boots fixed mounting at car top and bottom.

As a further improvement, the bottom of the traction machine is provided with a main machine rubber mat, the bottom of the main machine rubber mat is provided with a main frame, and the traction machine is arranged on the beam through the main machine rubber mat and the main frame.

As a further improvement, a flexible rubber cushion is arranged between the guide wheel frame and the beam.

The utility model has the advantages that: the utility model discloses a set up the leading wheel in the below of driving sheave and carry out the transmission guide effect, and set up the difference in height of certain distance between leading wheel center pin and the driving sheave center pin, it is suitable to make both intervals, because two have certain interval when the towline passes, the friction that the towline produced reduces with vibrations, the noise of production reduces, thereby effectively improve the travelling comfort that the elevator used, simultaneously through the mounted position of each part of rational layout elevator, make the holistic overall arrangement structure rationalization of elevator, the installation flexibility of elevator in the well is higher, the usage space of elevator increases.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

fig. 1 is a schematic view of an installation structure of an elevator of the embodiment;

fig. 2 is a schematic view of the installation structure of the top of the elevator shaft in the embodiment;

fig. 3 is a schematic view of the installation structure of the traction machine and the guide wheel of the embodiment;

fig. 4 is a cross-sectional view of section a-a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 4, the present embodiment discloses a traction guide structure of a horizontally installed machine room-less elevator, which includes a hoistway 1, a car 2 installed in the hoistway 1, a counterweight 3, a traction machine 4, and a reverse sheave group 5, wherein the reverse sheave group 5 is transversely installed at the bottom of the car 2, the counterweight 3 is installed at the back of the car 2, the traction machine 4 is installed above the counterweight 3, a beam 6 for fixedly installing the traction machine 4 is provided at the top of the hoistway 1, the traction machine 4 is fixedly installed on the beam 6, a traction sheave 7 is connected to an output shaft of the traction machine 4, a guide sheave 9 is installed at the bottom of the beam 6 through a guide sheave frame 8, the height difference between the central axis of the guide sheave 9 and the central axis of the traction sheave 7 is in the range of 350mm to 450mm, car guide rails 10 for movably guiding the car 2 are provided at the left and right sides of the car 2, counterweight guide rails 11 for guiding the counterweight 3 in a moving manner are arranged on the left side and the right side of the counterweight 3. Carry out transmission guide effect through set up leading wheel 9 in the below of driving sheave 7, and set up the difference in height of certain distance between leading wheel 9 center pin and the 7 center pins of driving sheave, it is suitable to make both intervals, because two have certain interval when the towline passes, the friction and the vibrations that the towline produced reduce, the noise of production reduces, thereby effectively improve the travelling comfort that the elevator used, simultaneously through the mounted position of each part of rational layout elevator, make the holistic overall arrangement structure rationalization of elevator, the installation flexibility of elevator in well 1 is higher, the usage space increase of elevator.

In a preferred embodiment, a tensioning wheel set is further arranged in the hoistway 1, the tensioning wheel set is arranged on one side of the hoistway 1 close to the installation position of the guide wheel 9, the tensioning wheel set is provided with two tensioning wheels 12, and the two tensioning wheels 12 are longitudinally arranged along the side surface of the hoistway 1 at intervals. The elevator car is characterized in that a first rope hitch plate 13 is further mounted on the cross beam 6, a longitudinal beam 14 is arranged at the top of the well 1, the longitudinal beam 14 is mounted on the opposite side of the tensioning wheel set, a second rope hitch plate 15 is mounted on the longitudinal beam 14, the counterweight 3, the traction sheave 7, the guide wheel 9, the tensioning wheel set and the diversion sheave set 5 are in transmission connection through a traction rope, and two ends of the traction rope are respectively fixed in the first rope hitch plate 13 and the second rope hitch plate 15. The central plane of the diverting pulley group 5 is spatially arranged coplanar with the central plane of the second rope hitch plate 15. Through the mounting structure of further rationally distributed elevator, make the elevator drag the friction in the transmission process through the towline littleer, reduce the noise that produces during the elevator operation, the towline removes more smoothly, reduces mechanical loss, effectively prolongs towline working life.

In a preferred embodiment, the ratio of the clear width W1 of the hoistway 1 to the clear width W2 of the car 2 is 11: 8. The interval between car 2 and the car guide rail 10 is 50-60mm, connect through leading boots between car 2 and the car guide rail 10, lead boots fixed mounting and at car 2 top and bottom. In the embodiment, the net width W1=2200mm of the hoistway 1, the net width W2=1600mm of the car 2, the net depth D1=2200mm of the hoistway 1, the net depth D2=1400mm of the car 2, the distance between the car 2 and the car guide rail 10 is 50mm, and the center distance between the two tension pulleys 12 is 570mm, so that the layout of the whole car 2 in the hoistway 1 is most reasonable, the space occupation ratio is highest, and the maximum space utilization ratio is achieved.

In a preferred embodiment, a main machine rubber mat 16 is provided on the bottom of the hoisting machine 4, a main frame 17 is provided on the bottom of the main machine rubber mat 16, and the hoisting machine 4 is mounted on the cross beam 6 through the main machine rubber mat 16 and the main frame 17. A flexible rubber cushion 18 is arranged between the guide wheel frame 8 and the cross beam 6. Through introducing host computer cushion 16 and main frame 17 between hauler 4 and crossbeam 6, make the stability of hauler 4 overall installation improve, the mechanical shock that produces during the operation of hauler 4 obtains the elimination of certain degree under the cushioning effect of host computer cushion 16, reduces vibrations, and in the same way, also set up direction wheel carrier 8 and flexible cushion 18 between leading wheel 9 and crossbeam 6, make the operating stability of leading wheel 9 improve, vibrations reduce.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a horizontal installation formula does not have machine room elevator tow guide structure, includes well (1), installs car (2) in well (1), to heavy (3), hauler (4) and anti-rope wheel group (5), its characterized in that: the reverse rope pulley group (5) is transversely arranged at the bottom of the car (2), the counterweight (3) is arranged at the back of the car (2), the traction machine (4) is arranged above the counterweight (3), a beam (6) for fixedly installing the traction machine (4) is arranged at the top of the well (1), the traction machine (4) is fixedly arranged on the beam (6), the output shaft of the traction machine (4) is connected with a traction wheel (7), the bottom of the beam (6) is provided with a guide wheel (9) through a guide wheel frame (8), the height difference between the central axis of the guide wheel (9) and the central axis of the traction sheave (7) is in the range of 350mm to 450mm, the left side and the right side of the cage (2) are provided with cage guide rails (10) for moving and guiding the cage (2), and counterweight guide rails (11) for movably guiding the counterweight (3) are arranged on the left side and the right side of the counterweight (3).

2. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 1, wherein: still be equipped with the tensioning wheelset in well (1), the tensioning wheelset sets up the one side that is close to leading wheel (9) mounted position in well (1), the tensioning wheelset is equipped with two take-up pulleys (12), and two take-up pulleys (12) are vertically arranged at interval along well (1) side.

3. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 2, wherein: still install first rope hitch plate (13) on crossbeam (6), the top of well (1) is equipped with longeron (14), the offside at the tensioning wheelset is installed in longeron (14), install second rope hitch plate (15) on longeron (14), connect through the driving of towline between to heavy (3), driving sheave (7), leading wheel (9), tensioning wheelset and the anti-rope wheelset (5), the both ends of towline are fixed respectively in first rope hitch plate (13) and second rope hitch plate (15).

4. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 3, wherein: the central plane of the reverse rope pulley group (5) and the central plane of the second rope hitch plate (15) are arranged in a coplanar mode in space.

5. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 1, wherein: the ratio of the net width W1 of the hoistway (1) to the net width W2 of the car (2) is 11: 8.

6. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 1, wherein: the interval between car (2) and car guide rail (10) is 50-60mm, connect through leading boots between car (2) and the car guide rail (10), lead boots fixed mounting at car (2) top and bottom.

7. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 1, wherein: the tractor is characterized in that a main machine rubber mat (16) is arranged at the bottom of the tractor (4), a main machine frame (17) is arranged at the bottom of the main machine rubber mat (16), and the tractor (4) is arranged on the cross beam (6) through the main machine rubber mat (16) and the main machine frame (17).

8. The traction guide structure of a horizontally-mounted machine-roomless elevator as claimed in claim 1, wherein: and a flexible rubber cushion (18) is arranged between the guide wheel frame (8) and the cross beam (6).