CN201183699Y

CN201183699Y - Closed cross section type hollow guide rail for elevator counterweight

Info

Publication number: CN201183699Y
Application number: CNU2008200743998U
Authority: CN
Inventors: 张建坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-11
Filing date: 2008-04-11
Publication date: 2009-01-21
Anticipated expiration: 2018-04-11

Abstract

The utility model provides a hollow guide rail for the counterpoise of a section closed elevator. The cross section of the guide rail is of a hollow reversed T shape with two symmetric sides; the bottom of the cross section is the horizontal section of a guide rail back, the sections of two guide rail faces which are vertically arranged above the section of the guide rail back have equal distances to the center of the section of the guide rail back, the section ends of the two guide rail faces are provided with a section of guide face parallel to the section of the guide rail back so as to form a closed section. The hollow guide rail has the advantages that the hollow guide rail for the counterpoise of a section closed elevator is provided with a closed section, the hollow guide rail and three guide faces of a guide shoe lining board are in plane contact guidance; a welding technology is adopted in the technology that the guide rail is produced by the sheet cold bending roller forming, thereby the bending resistance section modulus is strengthened; the two ends and the upper end part of the guide rail adopt a smooth local chamfer angle to ensure that two adjacent guide rails are connected in a smooth way in installation; polyurethane is infused in the hollow guide rail to reduce noise in a car frame when the elevator runs, thereby being widely applied to the counterpoise guidance of the elevator which is not provided with safety tongs and has the carrying capacity smaller than or equal to 1000 kg and the speed smaller than or equal to 1.75 m/s.

Description

Closed section type Elevator weight sensor hollow guide rail

Technical field

The utility model relates to a kind of Elevator weight sensor guide rail, particularly a kind of closed section type Elevator weight sensor hollow guide rail.

Background technology

From the early 1990s in last century, first generation opening section Elevator weight sensor hollow guide rail, adopt sheet cold-bending flow forming technology, with low cost of manufacture, the advantage of saving in material, substitute the solid guide rail of traditional employing machinework or cold-drawing technology processing, be widely used in adopting the Elevator weight sensor guiding of sliding guide shoe, for country has saved great deal of steel.But have deficiency, owing to limited by manufacturing process at that time, first generation Elevator weight sensor has adopted with hollow guide rail and has made relatively easy opening section design, has following defective in design:

1, the antitorque transformation of length direction shape ability causes torsional deflection easily in manufacturing, transportation, installation process, strengthens guide rail and installs and the adjustment difficulty.

2, the semi arch surdimensionnement is adopted at the guide rail top, in three spigot surfaces of guide shoe bush plate, it is that line contacts that a face and guide rail are wherein arranged, in the elevator use, the as easy as rolling off a log guide shoe bush plate that causes weares and teares, cause the counterweight guide rail excessive, and then influence the elevator drive ability, and increase the elevator maintenance upkeep cost apart from the direction running clearance.

3, for remedying the design defect that the module of anti-bending section that adopts hollow structure to cause reduces, have to strengthen the sectional dimension of guide rail,, rolled steel dosage is increased as Fig. 2, h equidimension shown in Figure 3.

4, owing to adopt the opening section design, cause elevator operation noise to rise.Test examination factually adopts the opening section Elevator weight sensor with operation noise in the lift car of hollow guide rail, generally increases 2-3dBA than solid guide rail

Summary of the invention

For solving the problem that exists in the above-mentioned technology, the purpose of this utility model provides a kind of closed section type Elevator weight sensor hollow guide rail, is beneficial to improve elevator degree of operating steadily, and prolongs to lead boots service life, reduces Elevator weight sensor guide rail manufacturing cost.

For achieving the above object, the technical solution adopted in the utility model provides a kind of closed section type Elevator weight sensor hollow guide rail, and wherein: this track cross-section is the symmetrical inverted T-shaped shape of a hollow both sides shape; The cross section of the guide rail back of the body b that this bottom, cross section is a level, above the cross section of described guide rail back of the body b, vertically be provided with the cross section of two equidistant guide pass A of mid point with it, be provided with the cross section of the spigot surface k parallel at the cross section of described two guide pass A end, form an osed top cross section with the cross section of described guide rail back of the body b.

Effect of the present utility model is that this closed section type Elevator weight sensor has closed cross-section with hollow guide rail, and three spigot surfaces of this hollow guide rail and guide shoe bush plate are the plane contact guiding.Make Elevator weight sensor with in the technology of hollow guide rail at the sheet cold-bending flow forming, adopt the welding manufacturing process, strengthened module of anti-bending section.The partial circle angle of slipping is all adopted in hollow guide rail two ends and upper end, the smooth connection of adjacent two guide rails when guaranteeing to install.The polyurethane of can annotating in the enclosed shape chamber, noise in the car when further reducing the elevator operation.Can be widely used in load carrying ability less than, equal 1000 kilograms, speed less than, the counterweight that equals 1.75m/s with the Elevator weight sensor guiding of safety tongs.

Description of drawings

Fig. 1 is that closed cross-section of the present utility model is to reusing hollow guide rail cross section structure scheme drawing;

Fig. 2 is that existing opening section is to reusing hollow guide rail cross section structure scheme drawing;

Fig. 3 is that existing flange type is to reusing hollow guide rail cross section structure scheme drawing.

Among the figure:

A, guide pass b, guide rail back of the body C, polyurethane

B, weld seam k, spigot surface h, rail height

The specific embodiment

Reaching embodiment in conjunction with the accompanying drawings is illustrated with the hollow guide rail structure closed section type Elevator weight sensor of the present utility model.

As shown in Figure 1, closed section type Elevator weight sensor hollow guide rail of the present utility model, its cross-sectional plane are the symmetrical inverted T-shaped shape of a hollow both sides shape; The cross section of the guide rail back of the body b that this bottom, cross section is a level, above the cross section of described guide rail back of the body b, vertically be provided with the cross section of two equidistant guide pass A of mid point with it, be provided with the cross section of the spigot surface k parallel at the cross section of described two guide pass A end, form an osed top cross section with the cross section of described guide rail back of the body b.Place, end angle in described inverted T-shaped osed top cross section is equipped with slick and sly chamfering.

Closed section type Elevator weight sensor hollow guide rail of the present utility model adopts the sheet cold-bending flow forming, high frequency butt welding one-shot forming manufacturing process, and B is a weld seam.This Elevator weight sensor closed cross-section of hollow guide rail, make the targeting part of inverse-T-shaped guide rail, promptly the hollow of cross section formation of the cross section of the cross section of two guide pass A, spigot surface k and guide rail back of the body b is the rectangular closed cross section, constitute sealing square-section inverted T-shaped hollow guide rail, met the loading characteristic of Elevator weight sensor guide rail.The closed section type Elevator weight sensor with hollow guide rail in use, be plane contact mode cooperating with three spigot surfaces of guide shoe bush plate, the elevator operation is more become steadily, reduce wear liner simultaneously, prolong and to lead boots service life more than 3 times, reduce the elevator maintenance cost of upkeep.

Can be in the enclosed shape chamber according to the customer requirements polyurethane C that annotates, efficiently solve the problem that torsional deflection, the wearing and tearing of guide shoe bush plate, elevator operation noise rise, can make 1.5m/s, the operation noise reaches the level of using solid guide rail in the car of 1.75m/s elevator.Because the sectional dimension h of guide pass A and guide rail back of the body b sectional dimension are littler, have saved rolled steel dosage, original opening section elevator hollow guide rail reduces material usage 20%-45%, can significantly reduce cost of product own and transport package cost.Simultaneously, because weight saving also makes the Elevator weight sensor guide rail more convenient in the installation of building-site.The place, end angle in this guide rail cross section is equipped with slick and sly chamfering, and having guaranteed can smooth easily connection when adjacent two guide rails are installed.

Closed section type Elevator weight sensor hollow guide rail of the present utility model is the renewal product of a kind of opening section elevator hollow guide rail, flange type hollow guide rail.

Claims

1, a kind of closed section type Elevator weight sensor hollow guide rail is characterized in that: this track cross-section is the symmetrical inverted T-shaped shape of a hollow both sides shape; This bottom, cross section is the cross section of the guide rail back of the body (b) of level, vertically be provided with the cross section of equidistant two guide pass (A) of mid point with it in the top, cross section of the described guide rail back of the body (b), be provided with the cross section of the spigot surface (k) parallel at the cross section end of described two guide pass (A), form an osed top cross section with the cross section of the described guide rail back of the body (b).

2, closed section type Elevator weight sensor hollow guide rail according to claim 1 is characterized in that: the place, end angle in described inverted T-shaped osed top cross section is equipped with slick and sly chamfering.