Hand strap capable of reducing friction force

Abstract

A hand strap capable of reducing friction force comprises a rubber framework, a tensile layer is embedded in the rubber framework, the length direction of the tensile layer is parallel to the length direction of the rubber framework, a sliding abrasion-resistant layer is arranged on the inner side of the rubber framework, longitudinal corrugations are arranged on the surface of the sliding abrasion-resistant layer, the depth of the corrugations is 0.5 mm, the amplitude of the corrugations is 5-50 mm, and the width of the sliding abrasion-resistant layer is 5-50 mm. And an outer rubber layer or a PU elastic layer is wrapped on the outer side of the rubber framework. The uneven ripples are arranged on the surface of the sliding wear-resistant layer, and the contact area of the sliding wear-resistant layer and the guide rail is reduced from the angle of the guide rail, so that the sliding friction force is reduced, the driving force of a driving device is reduced, the driving power consumption is reduced, the energy is saved, and the service life of the hand strap is prolonged; from the perspective of the friction wheel, rubber of the friction wheel and the handrail belt deform under pressure and can be tightly attached to the grooves and the protrusions of the corrugations, so that the friction force between the friction wheel and the handrail belt is increased, the handrail belt is driven more easily, slipping is reduced, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially, relates to escalator, and particularly to a kind of handrail belt of reducing friction. BACKGROUND

[0002] Handrail belt is located at the top surface of escalator handrail device, and synchronous operation with step, pedal or adhesive tape, for passenger to hold. In prior art, handrail belt is composed of rubber framework and outer rubber, and wear-resistant layer is wrapped in rubber framework, and the friction between wear-resistant layer and guide rail is relatively large, which leads to large driving force of driving device, large tensioning force of tensioning device, easy wear of handrail belt and short service life. SUMMARY

[0003] The utility model aims at providing a kind of handrail belt of reducing friction, and the technical problem of the friction between wear-resistant layer and guide rail in prior art is solved.

[0004] The utility model of a kind of handrail belt of reducing friction, including rubber framework, tensile layer is embedded in the rubber framework, the length direction of tensile layer is parallel to the length direction of rubber framework, sliding wear-resistant layer is wrapped in the inside of rubber framework, longitudinal corrugation is provided on the surface of sliding wear-resistant layer, the depth of corrugation is 0.5mm, the amplitude of corrugation is 5~50mm, and outer rubber layer or PU elastic layer is provided on the outside of rubber framework.

[0005] Further, the handrail belt is C-shaped handrail belt, and the corrugation is arranged on the sliding portion of the C-shaped handrail belt and the guide rail.

[0006] Further, the handrail belt is V-shaped handrail belt, and the corrugation is arranged on the sliding portion of the V-shaped driving two sides of the V-shaped handrail belt and the guide rail.

[0007] Further, the handrail belt is synchronous handrail belt, and the corrugation is arranged on the sliding portion of the rack two sides of the synchronous handrail belt and the guide rail.

[0008] Compared with prior art, the utility model has positive and obvious effects. In the utility model, the corrugation with micro concave-convex unevenness is arranged on the plane of sliding wear-resistant layer, the contact area of sliding wear-resistant layer and guide rail is reduced from the perspective of guide rail, so as to reduce sliding friction, reduce driving force of driving device and prolong service life of handrail belt; from the perspective of friction wheel, the rubber of friction wheel and handrail belt can be tightly fitted in the concave groove and convex part of corrugation by deformation under pressure, so as to increase the friction between friction wheel and handrail belt and more easily drive handrail belt, reduce skidding and reduce safety hazard; in combination, the reliability and stability of driving can be improved, wear can be reduced, and the service life of handrail belt can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 A-A section view of the handrail belt of the utility model for reducing friction.

[0010] Figure 2 A-A section view of the handrail belt of the utility model for reducing friction. Figure 1 DETAILED DESCRIPTION

[0011] The utility model is not limited to the embodiments, and any similar structure and similar changes thereof shall be included in the protection scope of the utility model. The use of the directions of up, down, front, back, left and right in the utility model is only for the convenience of clear description, and does not limit the technical scheme of the utility model.

[0012] As shown in Figure 1 and Figure 2 The utility model discloses a handrail belt for reducing friction, which comprises a rubber framework 1, wherein a tensile layer 2 is embedded in the rubber framework 1, the length direction of the tensile layer 2 is parallel to the length direction of the rubber framework 1, a sliding wear-resistant layer 3 is wrapped on the inner side of the rubber framework 1, longitudinal corrugations 5 are arranged on the surface of the sliding wear-resistant layer 3, the depth 7 of the corrugations 5 is 0.5mm, the wave amplitude 8 of the corrugations 5 is 5-50mm, and an outer rubber layer 4 or a PU elastic layer is arranged on the outer side of the rubber framework 1.

[0013] Further, the handrail belt is a C-shaped handrail belt, and the corrugations 5 are arranged on the sliding parts of the C-shaped handrail belt and the guide rail.

[0014] Further, the handrail belt is a V-shaped handrail belt, and the corrugations 5 are arranged on the sliding parts of the V-shaped driving two sides of the V-shaped handrail belt and the guide rail.

[0015] Further, the handrail belt is a synchronous handrail belt, and the corrugations 5 are arranged on the sliding parts of the rack two sides of the synchronous handrail belt and the guide rail.

[0016] Specifically, the rubber framework 1, the tensile layer 2, the C-shaped handrail belt, the V-shaped handrail belt, the V-shaped driving, the synchronous handrail belt and the rack in the embodiments all adopt the known scheme in the prior art, and those skilled in the art are all familiar with the scheme, and thus no further description is given herein.

[0017] Working principle of the embodiment:

[0018] ​The utility model discloses a micro concave-convex uneven corrugation 5 is arranged on the plane of sliding wear -resisting layer 3, from the angle of guide rail, make sliding wear -resisting layer 3 with the contact area of guide rail reduces, thereby reduce sliding friction, reduce the driving force of drive arrangement, prolong the service life of handrail belt, from the angle of friction wheel, the rubber of friction wheel and handrail belt pressure produce deformation can be closely fitted in the recess and protruding of corrugation 5, make the friction of friction wheel and handrail belt increase and more easily drive handrail belt, reduce the skid, reduce the security hidden danger, comprehensively can improve the reliability and stability of drive, reduce the wear and tear, guarantee the service life of handrail belt.

Claims

1. A handrail strip for reducing friction, characterised in that: The rubber skeleton is embedded with a tensile layer, the length direction of the tensile layer is parallel to the length direction of the rubber skeleton, the inside of the rubber skeleton is wrapped with a sliding wear-resistant layer, the surface of the sliding wear-resistant layer is provided with longitudinal corrugations, the depth of the corrugations is 0.5mm, the wave amplitude of the corrugations is 5-50mm, and the outside of the rubber skeleton is provided with an outer rubber layer or a PU elastic layer.

2. A handrail strip according to claim 1, wherein: The handrail belt is a C-shaped handrail belt, and the corrugations are arranged on the sliding parts of the C-shaped handrail belt and the guide rail.

3. A handrail strip according to claim 1, wherein: The handrail belt is a V-shaped handrail belt, and the corrugations are arranged on the sliding parts of the V-shaped handrail belt and the guide rail.

4. A handrail strip according to claim 1, wherein: The handrail belt is a synchronous handrail belt, and the corrugations are arranged on the sliding parts of the rack of the synchronous handrail belt and the guide rail.

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