CN208898342U - Drive rope sheave and elevator - Google Patents

Abstract

The utility model relates to drive rope sheave and elevator, have: cylindric wheel rim；Cylindric wheel cylinder；Support plate will connect between the inner peripheral surface of wheel rim and the outer peripheral surface of wheel cylinder；Support plate circumferentially equably offers 5 through holes, ribs is formed with radially extending along driving rope sheave from wheel cylinder towards wheel rim on the supporting plate and between two adjacent through holes, the diameter for driving rope sheave is 322mm, take turns cylinder radially with a thickness of 13.5~16.5mm, wheel rim radially with a thickness of 20~23mm, support plate along axial with a thickness of 9~14mm, ribs along axial with a thickness of 52~57mm, width along direction orthogonal with its extending direction and parallel with support plate is 7~11mm, the width radially of through hole is 50~60mm, minimum range between a side in adjacent through hole and the adjacent side of another party is 25~35mm.

Description

Drive rope sheave and elevator

Technical field

The utility model relates to a kind of driving rope sheave and has the elevator for driving rope sheave.

Background technique

In elevator, hoist engine has the driving rope sheave rotated by the driving of motor, in the outer peripheral edge of driving rope sheave It is formed with a plurality of rope sheave slot circumferentially, a plurality of main rope is respectively embedded into a plurality of rope sheave slot and is wound around on driving rope sheave, It is hung with carriage in one end of main rope, the other end is hung with counterweight, if the motor of hoist engine is driven and makes to drive rope sheave Rotation then moves main rope by the friction between driving rope sheave and main rope, to make carriage and with focusing on elevating road Lifting in diameter.

Although not shown, but on the top of lift path it is equipped with Machine Room, is provided with and has in mechanical indoor supporting beam The hoist engine for driving rope sheave, from the perspective of mitigating the bearing burdens of supporting beam, waiting in expectation hoist engine and constitutes the hoist engine Driving rope sheave lightness.

However, previous driving rope sheave is as shown in Figure 4, and although being formed with multiple lightening holes, the ruler of lightening hole Very little smaller, the weight that can mitigate is limited, therefore the problem overweight there are still the self weight of driving rope sheave.Moreover, because The size of the lightening hole is smaller, carries out the fixed work of installation in the drive shaft to driving rope sheave and for rotating the driving rope sheave Available working space is small in industry, therefore there is also the problems of operation difficulty.

Utility model content

The utility model is made in view of above-mentioned problem existing in the prior art, and its purpose is to provide one kind It can reduce self weight and increase the driving rope sheave and elevator of working space.

One mode of the utility model is related to a kind of driving rope sheave, the hoist engine for elevator, which is characterized in that the drive Running rope wheel has: wheel rim, is formed as cylindric, is formed with the rope groove for winding main rope in outer peripheral edge；Cylinder is taken turns, is formed as round Tubular, for for driving the drive shaft of the driving rope sheave to insert；And support plate, by the inner peripheral surface of the wheel rim and the wheel It is connected between the outer peripheral surface of cylinder；The support plate circumferentially equably offer along the drive shaft axially through 5 Through hole, in the support plate and between two adjacent through holes, from the outer peripheral surface of the wheel cylinder towards the wheel The inner peripheral surface of circle is formed with ribs along driving rope sheave with radially extending, and the diameter of the driving rope sheave is 322mm, described Take turns cylinder along described radial with a thickness of 13.5~16.5mm, the wheel rim along it is described it is radial with a thickness of 20~ 23mm, the support plate along described axial with a thickness of 9~14mm, the ribs it is thick along the axial minimum Degree is 52~57mm, and is 7~11mm along the width in direction orthogonal with its extending direction and parallel with the support plate, The through hole along the radial opening width be 50~60mm, also, the side in the adjacent through hole with Minimum range between the adjacent side of another party is 25~35mm.

The driving rope sheave of one mode of the utility model can also be that the through hole is in the section orthogonal with the axial direction In be formed as fan annular, comprising: inside arc-shaped side, positioned at it is described wheel cylinder outer peripheral surface close position, be formed as with it is described The outer peripheral surface for taking turns cylinder is parallel；Outer arcuate side is opposed to be located at close with the inner peripheral surface of the wheel rim with first arc-shaped side Position, be formed as parallel with the inner peripheral surface of the wheel rim；And two straight lines, it is respectively formed as and respective immediate institute The extending direction for stating ribs is parallel；The junction on the inside arc-shaped side and the outer arcuate side and described two straight lines Be formed as fillet.

The driving rope sheave of one mode of the utility model can also be to pass through in the inner peripheral surface of the wheel cylinder along the axial direction The logical keyway being formed with for drive shaft insertion.

The driving rope sheave of one mode of the utility model can also be the wheel rim, the wheel cylinder and the support plate one Formed to body.

The another way of the utility model is related to a kind of elevator, which is characterized in that has hoist engine, on which has The driving rope sheave stated.

According to above structure, it is capable of providing the driving rope sheave and elevator that can reduce self weight and increase working space.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the driving rope sheave of the utility model.

Fig. 2 is the front view for indicating the driving rope sheave of the utility model.

Fig. 3 is the cross-sectional view for indicating the driving rope sheave of the utility model.

Fig. 4 is the perspective view for indicating the driving rope sheave of the prior art.

The explanation of symbol: 1, wheel rim；2, cylinder is taken turns；21, keyway；3, support plate；4, ribs；5, through hole；50, straight line Side；51, inside arc-shaped side；52, outer arcuate side 52.

Specific embodiment

Before illustrating the specific structure of driving rope sheave of the utility model, first illustrate the general mechanism of elevator.Elevator Hoist engine have driving rope sheave, driving rope sheave periphery formed rope groove in insertion be wound with a plurality of main rope, a plurality of master One end of rope is hung with carriage, and the other end is hung with counterweight, makes to drive rope sheave rotation by the driving of motor, makes main rope The applying frictional force between the inner surface of rope sheave slot, main rope is mobile, to make carriage and go up and down with focusing in lift path.

In the following, referring to Fig.1~Fig. 3 illustrates the specific structure of the driving rope sheave of an embodiment of the utility model.

Fig. 1 is the perspective view for indicating the driving rope sheave of the utility model, and Fig. 2 is the driving rope sheave for indicating the utility model Front view, Fig. 3 are the cross-sectional views for indicating the driving rope sheave of the utility model.

As shown in Figure 1, driving rope sheave has: wheel rim 1 is formed as cylindric, is formed in outer peripheral edge for winding main rope The rope groove of rope (not shown)；Cylinder 2 is taken turns, is formed as cylindric, for the insert (not shown) of the drive shaft for driving the driving rope sheave； And support plate 3, it will be connected between the inner peripheral surface of wheel rim and the outer peripheral surface of wheel cylinder；Support plate 3 circumferentially equably offers edge Drive shaft axially through 5 through holes 5, in support plate 3 and between two adjacent through holes 5, from the outer of wheel cylinder 2 The inner peripheral surface of week facing towards wheel rim 1 is formed with ribs 4 along driving rope sheave with radially extending.

It is, for example, the moulding formed by casting, wheel rim 1, wheel cylinder 2 and support in the driving rope sheave of the utility model Plate 3 is integrally formed.

In addition, as shown in Figures 1 and 2, driving rope sheave is formed with keyway with axially penetrating through in the inner peripheral surface of wheel cylinder 2 21, drive shaft insertion is installed in the keyway 21.

As described above, in the driving rope sheave of the utility model, 5 through holes are formed by compared with the prior art Size is larger for structure, has correspondingly reduced the wall thickness of wheel cylinder, to alleviate the self weight of driving rope sheave on the whole. Also, it is formed with ribs 4 between two adjacent through holes 5, thus true while alleviating the self weight of driving rope sheave The intensity of driving rope sheave is protected.

Specifically, in the main rope being respectively embedded into the radial side of driving rope sheave and the keyway of diametrically opposite side Radical length between the heart is the diameter for driving rope sheave, also referred to as drives the wheel footpath of rope sheave.In the driving rope sheave of the utility model Diameter be 322mm in the case where, as shown in Figures 2 and 3, wheel cylinder 2 along driving rope sheave radial direction (in Fig. 2 from driving The center of rope sheave towards periphery direction, hereinafter sometimes referred to simply as radially.) thickness B be 13.5~16.5mm, the edge of wheel rim 1 The radial thickness C be 20~23mm, the axial direction (side perpendicular to paper in Fig. 2 along drive shaft of support plate 3 To, left and right directions in Fig. 3, hereinafter sometimes referred to simply as axially.) thickness D be 9~14mm, ribs 4 along the axial direction Thickness E be 52~57mm, ribs 4 is along the width A in direction orthogonal with its extending direction and parallel with support plate 3 The radial opening width F along driving rope sheave of 7~11mm, through hole 5 are 50~60mm, also, in adjacent through hole 5 A side (such as through hole of the surface in Fig. 2) and another party (through hole in the upper right side in Fig. 2) adjacent side 50, Minimum range G between 50 is 25~35mm.

Moreover, as shown in Fig. 2, through hole 5 includes: inside arc-shaped side in the section orthogonal to the axial direction of driving rope sheave 51, positioned at the outer peripheral surface close position with wheel cylinder, be formed as parallel with the wheel outer peripheral surface of cylinder；Outer arcuate side 52, with inside Arc-shaped side is opposed to be located at the inner peripheral surface close position with wheel rim, is formed as parallel with the inner peripheral surface of wheel rim；And two straight Line side 50 is respectively formed as parallel with the respective extending direction of immediate ribs；Inside arc-shaped side 51 and outer arcuate side 52 and the junctions of two straight lines 50,50 be formed as fillet R.

Illustrate the effect of the driving rope sheave of the utility model below.

As described above, the driving rope sheave of the utility model is by forming the wheel rim 1 for having size as described above, wheel cylinder 2, support plate 3 and through hole 5, increase the size of through hole 5, to correspondingly reduce the self weight of driving rope sheave, and lead to Cross setting ribs 4, it is ensured that drive the intensity of rope sheave, therefore, can ensure to drive while mitigating the self weight of driving rope sheave The intensity of running rope wheel.

In addition, the junction between each side 50,51,52 for the through hole 5 that the driving rope sheave of the utility model has Be formed as fillet R, concentrated so as to reduce stress, can prevent driving rope sheave stress from concentrating and damaging.

Also, by increasing the size of through hole 5, it is capable of increasing working space, convenient for driving the replacement of rope sheave.

Several embodiments of the invention is explained above, but these embodiments are example, are not intended to limit hair Bright range.These embodiments can be implemented by various other ways, without departing from the spirit of the invention, can To carry out various omission, substitution, and alteration.These embodiments and modifications thereof are included in the scope and spirit of invention, same to wrap It is contained in invention and its equivalency range documented by claims.

Claims (5)

1. a kind of driving rope sheave, the hoist engine for elevator, which is characterized in that

The driving rope sheave has:

Wheel rim is formed as cylindric, is formed with the rope groove for winding main rope in outer peripheral edge；

Cylinder is taken turns, is formed as cylindric, for for driving the drive shaft of the driving rope sheave to insert；And

Support plate will connect between the inner peripheral surface of the wheel rim and the outer peripheral surface of the wheel cylinder；

The support plate circumferentially equably offer along the drive shaft axially through 5 through holes,

In the support plate and between two adjacent through holes, from the outer peripheral surface of the wheel cylinder towards the wheel rim Inner peripheral surface is formed with ribs with radially extending along driving rope sheave,

The diameter of the driving rope sheave is 322mm,

The wheel cylinder along described radial with a thickness of 13.5~16.5mm,

The wheel rim along described radial with a thickness of 20~23mm,

The support plate along described axial with a thickness of 9~14mm,

The ribs along the axial minimum thickness be 52~57mm, and along it is orthogonal with its extending direction and with The width in the parallel direction of the support plate is 7~11mm,

The through hole is 50~60mm along the radial opening width, also, one in the adjacent through hole Minimum range between side and the adjacent side of another party is 25~35mm.

2. driving rope sheave as described in claim 1, which is characterized in that

The through hole is formed as fan annular in the section orthogonal with the axial direction, comprising:

Inside arc-shaped side is formed as parallel with the wheel outer peripheral surface of cylinder positioned at the outer peripheral surface close position with the wheel cylinder；

Outer arcuate side is opposed to be located at the inner peripheral surface close position with the wheel rim with the inside arc-shaped side, be formed as It is parallel with the inner peripheral surface of the wheel rim；And

Two straight lines are respectively formed as parallel with the respective extending direction of the immediate ribs；

The inside arc-shaped side and the outer arcuate side and the junction of described two straight lines are formed as fillet.

3. driving rope sheave as described in claim 1, which is characterized in that

In the inner peripheral surface for taking turns cylinder along described axially through the keyway being formed with for drive shaft insertion.

4. driving rope sheave as described in claim 1, which is characterized in that

The wheel rim, the wheel cylinder and the support plate are integrally formed.

5. a kind of elevator, which is characterized in that

Has hoist engine, which has driving rope sheave described in Claims 1 to 4.