CN214243356U - Antiskid elevator traction wheel - Google Patents

Abstract

The application discloses anti-skidding elevator traction wheel, including the wheel body, the race has been seted up all around to the wheel body, wheel body axis department has seted up the race hole, set up a plurality of ventilation holes that set up around the race hole equidistant on the wheel body, the antiskid chamber has been seted up in the race, antiskid intracavity cover is equipped with anti-skidding circle, be provided with the expansion ring between anti-skidding circle and the antiskid chamber, when elevator wire rope and wheel body friction generate heat, the expansion ring can be heated the inflation and jack up anti-skidding circle, make anti-skidding circle outer lane can contact elevator wire rope, can increase the elevator operation, the wheel body is to elevator wire rope's frictional force, reduce the probability that the elevator takes place the tenesmus accident.

Description

Antiskid elevator traction wheel

Technical Field

The application relates to the technical field of elevator components, in particular to an anti-skidding elevator traction wheel.

Background

At present, the up-and-down movement of an elevator car in a hoistway is realized by means of friction force between a steel wire rope and a traction sheave groove, the possible sliding phenomenon of the steel wire rope in the rope groove is prevented, and the elevator car elevator is an important safety condition for elevator operation.

However, the existing elevator traction wheel has the following defects: although the traction wheel has the friction margin in the design, the elevator steel wire rope can not slide, but the phenomenon of insufficient friction of the traction wheel can occur in long-term use under the influence of various factors such as environment and material aging; and the elevator is more likely to slip when running fast than when at rest.

Disclosure of Invention

An aim at of this application provides one kind can increase the elevator operation, and the pulley body reduces the elevator and takes place the antiskid elevator traction wheel of tenesmus accident probability to elevator wire rope's frictional force.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides an antiskid elevator traction wheel, includes the wheel body, the race has been seted up all around to the wheel body, wheel body axis department has seted up the axle hole, set up a plurality ofly on the wheel body center the ventilation hole that the axle hole equidistant set up, anti-skidding chamber has been seted up in the race, anti-skidding intracavity cover is equipped with the antiskid circle, the antiskid circle with be provided with the expansion ring between the antiskid chamber, when elevator wire rope with when the wheel body friction generates heat, the expansion ring can be heated the inflation jack-up the antiskid circle makes the antiskid circle outer lane can contact elevator wire rope.

As an improvement, at least one group of sliding grooves are radially formed in the two sides of the wheel groove, and sliding rods extending into the sliding grooves are fixedly arranged on the two sides of the anti-skidding ring.

As an improvement, the bottom of the anti-skid cavity is provided with a heat dissipation hole communicated with the ventilation hole.

As an improvement, the outer ring of the anti-skid ring is provided with an anti-skid groove, and anti-skid lines are arranged in the anti-skid groove.

As an improvement, the two sides of the lower part of the anti-skid ring and the edge of the opening side of the anti-skid cavity are both provided with round corner edges which are convenient for the installation of the expansion ring.

Preferably, the vent hole is a cylindrical vent hole.

As another preference, the vent hole is a vent hole with two side openings expanding outwards.

Preferably, the expansion ring is a rubber ring.

Compared with the prior art, the beneficial effect of this application lies in: because the elevator is at the operation in-process, can give off the heat between elevator wire rope and the traction wheel, it is that the temperature of traction wheel rises, set up the expansion ring that can be heated the inflation in the traction wheel through this phenomenon, establish the antiskid circle of cover in the race apply with elevator wire rope between the pressure, and then increase mutual frictional force, it is faster when the elevator function, the heat of traction wheel just is higher, the expansion ring expands along with the rising of temperature, increase the pressure to the antiskid circle, thereby increase the frictional force between antiskid circle and the elevator wire rope, make the holistic frictional force of traction wheel can keep in safety range.

Drawings

FIG. 1 is an internal structural view of a vent hole according to a preferred embodiment of the present application when the vent hole is a cylindrical vent hole;

FIG. 2 is a side structural view in accordance with a preferred embodiment of the present application;

fig. 3 is a view of the internal structure of a vent hole according to a preferred embodiment of the present application in which the vent hole is a both-side outward-expanding vent hole.

In the figure: 1. a wheel body; 11. a wheel groove; 111. an anti-slip cavity; 112. heat dissipation holes; 12. a wheel axle hole; 13. a vent hole; 14. a sliding groove; 2. an anti-slip ring; 21. a slide bar; 22. an anti-slip groove; 3. an expansion ring.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 2, a preferred embodiment of the present application includes a wheel body 1, a wheel groove 11 is formed around the wheel body 1 for installing an elevator steel wire rope, a wheel axle hole 12 is formed at a center axle of the wheel body 1, the wheel axle hole 12 is reinforced around the wheel axle hole for connecting with a driving device, a plurality of ventilation holes 13 are formed in the wheel body 1 and are equidistantly arranged around the wheel axle hole 12, so as to facilitate ventilation and heat dissipation of the wheel body 1, and reduce weight, an anti-slip cavity 111 is formed in the wheel groove 11, an anti-slip ring 2 is sleeved in the anti-slip cavity 111, an expansion ring 3 is arranged between the anti-slip ring 2 and the anti-slip cavity 111, the anti-slip ring 2, the expansion ring 3 and the anti-slip cavity 111 can be fixed and adhered by materials such as glue, when the elevator steel wire rope and the wheel body 1 generate heat due to friction, the expansion ring 3 can expand to push up the anti-slip ring 2, so that an outer ring of the anti-slip ring 2 can contact with the elevator steel wire rope, and play a role in assisting in increasing friction, increase the friction in the high-pressure operation process of elevator, prevent that the accident from producing.

At least one set of sliding tray 14 has radially been seted up to race 11 both sides, and the fixed slide bar 21 that extends in the sliding tray 14 that is provided with in antiskid circle 2 both sides prevents that antiskid circle 2 from fixed insecure, follows the wire rope and slides, leads to the structure inefficacy.

The bottom of the anti-skid cavity 111 is provided with a heat dissipation hole 112 communicated with the vent hole 13, and the heat dissipation hole 112 is connected with the vent hole 13 to play a role in heat dissipation and play a certain role in weight reduction.

The outer ring of the anti-slip ring 2 is provided with an anti-slip groove 22, the contact surface of the anti-slip ring 2 and the elevator steel wire rope is increased, friction is increased, anti-slip lines are arranged in the anti-slip groove 22, friction is further increased, and the elevator steel wire rope is prevented from slipping.

The opening side edges of the two sides of the lower part of the anti-slip ring 2 and the anti-slip cavity 111 are all set to be round corner edges convenient for installation of the expansion ring 3, and installation embedding of the expansion ring 3 can be facilitated.

The ventilation holes 13 are cylindrical ventilation holes for heat dissipation and ventilation, and play a role in reducing weight. The expansion ring 3 is a rubber ring which is made of common materials, is easy to be thermally expanded, is soft in material and is convenient to mount between the anti-skid ring 2 and the anti-skid cavity 111.

As shown in fig. 3, another preferred embodiment of the present application includes that the vent hole 13 is a vent hole with two sides opened and expanded outwards, which can increase more air intake and enhance heat dissipation capacity compared to a cylindrical vent hole.

The operation principle is as follows: the elevator operation, the running friction takes place for the traction wheel, produces the heat, and expansion ring 3 takes place the inflation, with 2 tops of antiskid circle to wire rope on, because wire rope is unilateral contact friction on the traction wheel, the heat of contact side can be greater than the heat of non-contact side, so the inflation volume of expansion ring 3 can be greater than the non-contact side in the contact side, though antiskid circle 2 is indeformable, but still can be to the activity of contact side to increase the pressure to wire rope.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (8)

1. The utility model provides an antiskid elevator traction wheel, includes the wheel body, the race has been seted up all around to the wheel body, wheel body axis department has seted up the wheel shaft hole, set up a plurality ofly on the wheel body and center on the ventilation hole that the wheel shaft hole equidistant set up, its characterized in that: the elevator anti-skidding wheel is characterized in that an anti-skidding cavity is formed in the wheel groove, an anti-skidding ring is sleeved in the anti-skidding cavity, an expansion ring is arranged between the anti-skidding ring and the anti-skidding cavity, and when an elevator steel wire rope and the wheel body are in friction heating, the expansion ring can be heated to expand to jack up the anti-skidding ring, so that the outer ring of the anti-skidding ring can be in contact with the elevator steel wire rope.

2. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: at least one group of sliding grooves are radially formed in the two sides of the wheel groove, and sliding rods extending into the sliding grooves are fixedly arranged on the two sides of the anti-slip ring.

3. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: and heat dissipation holes communicated with the ventilation holes are formed in the bottom of the anti-slip cavity.

4. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: the anti-skidding ring is characterized in that an anti-skidding groove is formed in the outer ring of the anti-skidding ring, and anti-skidding lines are arranged in the anti-skidding groove.

5. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: the two sides of the lower portion of the anti-slip ring and the edge of the opening side of the anti-slip cavity are both provided with round corner edges which are convenient for installation of the expansion ring.

6. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: the vent hole is a cylindrical vent hole.

7. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: the vent hole is a vent hole with openings at two sides expanding outwards.

8. The traction sheave of an anti-skid elevator as defined in claim 1, wherein: the expansion ring is a rubber ring.

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