CN108861956A - Drawing belt for elevator device - Google Patents

Abstract

The invention discloses a traction belt for an elevator system, which comprises a covering body extending longitudinally along the traction belt and a plurality of sets of load-bearing elements extending longitudinally inside the covering body and arranged in parallel. Components used to display the operating status. The element used to display the operating state can be a filling layer embedded in the covering body and between the bearing element and the outer surface of the covering body; it can also be an outer wrapping layer wrapped outside the covering body ; Or use both the filling layer and the outer wrapping layer at the same time. Use the filling layer to change color with the load, vibration, light intensity or temperature, and make the covering body a transparent or translucent material, or use the filling layer to change with the load, vibration, light intensity or temperature Changing the magnetic field strength by changing the magnetic field can accurately monitor the running status of the traction belt in real time, without relying on regular manual visual inspection, and without professional traction belt performance fault monitoring instruments.

Description

Traction belts for elevator systems

technical field

The invention relates to a traction belt for an elevator system, in particular to a traction belt for an elevator system which can intuitively obtain running state information at any time.

Background technique

The main engine of the elevator is the power drive part of the elevator. The output torque of the traction sheave of the main engine provides power output for the elevator car and counterweight and other components, while the power output by the main engine mainly depends on the suspension components such as traction wire ropes, traction steel belts, etc. As an intermediate transmission medium to achieve energy transfer, the running state of the traction belt has a crucial impact on the running performance of the entire elevator system.

FIG. 1 shows a cross-section of a traction belt for an elevator system according to the prior art, wherein the traction belt is composed of a casing 1 and a carrier element 2 . In the prior art, the monitoring of the running state of the elevator traction belt mainly relies on regular maintenance and maintenance. The method of maintenance and maintenance of the traction belt is only limited to simple visual inspection, which can only subjectively check whether there is any abnormal operation on the surface, and cannot go deep into the essence to monitor the actual performance status of the traction belt, so it is impossible to immediately and accurately determine the Whether the traction belt is severely worn, whether there is a broken load-bearing element, whether there is any internal stress concentration of the traction belt caused by abnormal force, whether the tension difference between the traction belts is within the specified safety value range, etc.

There are also professional traction belt performance fault monitoring instruments on the market to detect the running performance of the traction belt. However, on the one hand, this additional fault detection device is very inconvenient to implement in limited or even harsh elevator operating environments, and on the other hand, the high cost of maintenance and maintenance also leads to a decrease in competitiveness.

The information disclosed in the Background of the Invention section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgment or in any way to suggest that the information forms the prior art that is already known to those of ordinary skill in the art.

Contents of the invention

The object of the present invention is to provide a traction belt used in an elevator system, which can accurately monitor the running state of the traction belt in real time without relying on periodic manual visual inspections, and without professional performance fault monitoring of the traction belt instrument. To achieve this object, elements for displaying the operating state are provided in the traction belt for an elevator system according to the invention.

Specifically, the present invention proposes a traction belt for an elevator system, which includes: a covering body, the covering body extending along the longitudinal direction of the traction belt; multiple sets of bearing elements, the multiple sets of bearing elements Extending along the longitudinal direction inside the covering and arranged in parallel; and a filling layer, the filling layer is embedded in the covering, and is between the load-bearing element and the outer surface of the covering, wherein the filling layer along with The color changes with the load, vibration, light intensity or temperature, and the covering body is a transparent or translucent material; or the filling layer changes with the change of the load, vibration, light intensity or temperature. Change the magnetic field strength.

In the traction belt for the elevator system, preferably, the material of the filling layer is selected from polymer opals, spiropyrans, oxazines, fluorescent proteins and diarylethene compounds any type.

In the traction belt for an elevator system, preferably, the material of the filling layer is a magnetic non-metallic material, and magnetic materials are uniformly distributed therein.

In the traction belt for an elevator system, preferably, the filling layer includes a plurality of belt-like or belt-like bodies arranged at intervals.

The present invention also proposes another traction belt for an elevator system, which includes: a covering body, the covering body extending along the longitudinal direction of the traction belt; The inside of the covering body extends longitudinally and is arranged in parallel; and an outer wrapping layer wrapped outside the covering body, wherein the outer wrapping layer changes with the change of the load, vibration, light intensity or temperature change color; or the outer wrapping layer changes the magnetic field strength with the change of load, vibration, light intensity or temperature.

In the other traction belt used in an elevator system, preferably, the material of the outer covering layer is selected from polymer opals, spiropyrans, oxazines, fluorescent proteins and diarylethene any of the compounds.

In the other traction belt for an elevator system, preferably, the material of the outer wrapping layer is a magnetic non-metallic material, and magnetic materials are evenly distributed therein.

The present invention also proposes yet another traction belt for an elevator system, which is characterized in that it includes: a covering body, the covering body extending along the longitudinal direction of the traction belt; multiple sets of bearing elements, the multiple sets of bearing elements Extending along the longitudinal direction inside the covering body and arranged in parallel; the filling layer, the filling layer is embedded in the covering body, and is between the load-bearing element and the outer surface of the covering body; and the outer covering layer, the outer covering layer The wrapping layer is wrapped outside the wrapping body, wherein the filling layer is a filling layer that changes color with the change of the load, vibration, light intensity or temperature, and the wrapping body and the outer wrapping layer are transparent or translucent material; or the filling layer is a filling layer that changes the magnetic field strength with the change of the load, vibration, light intensity or temperature; wherein the outer wrapping layer is with the load, vibration, light intensity Or the outer wrapping layer that changes color when the temperature changes; or the outer wrapping layer is an outer wrapping layer that changes the magnetic field strength with the change of the load, vibration, light intensity or temperature.

In the yet another traction belt for an elevator system, preferably, the materials of the filling layer and the outer covering layer are selected from polymer opals, spiropyrans, oxazines, fluorescent proteins and diaryls, respectively. Any of the vinyl compounds.

In the still another traction belt used in an elevator system, preferably, the material of the outer wrapping layer is a magnetic non-metallic material, and magnetic materials are evenly distributed therein.

The traction belt used in the elevator system according to the present invention has the following beneficial technical effects: the performance status of the traction belt can be monitored accurately and intuitively in real time without relying on regular manual visual inspection and without professional traction belt Performance fault monitoring instrumentation, thereby improving equipment reliability and reducing maintenance costs.

The method and apparatus of the present invention have other features and advantages that will be apparent from the drawings and the following detailed description, or will be read in the drawings and the following description, incorporated herein. The detailed description is set forth in the detailed description, and together these drawings and detailed description serve to explain certain principles of the invention.

Description of drawings

Figure 1 shows a cross-sectional view of a traction belt for an elevator system in the prior art.

Fig. 2 shows a sectional view of a traction belt for an elevator system according to a first embodiment of the present invention.

Fig. 3 shows a sectional view of a traction belt for an elevator system according to a second embodiment of the present invention.

Fig. 4 shows a sectional view of a traction belt for an elevator system according to a third embodiment of the present invention.

Fig. 5 shows a variation example of the third embodiment according to the present invention, wherein the filling layer is distributed in the shape of strips or strip-like bodies arranged at intervals.

Wherein, the descriptions of the symbols in the drawings are as follows: 1-covering body; 2-carrying element; 3-filling layer; 4-outer wrapping layer.

It should be understood that the appended drawings are not necessarily to scale, presenting a somewhat simplified representation of various features characteristic of the basic principles of the invention. The specific design features of the present invention disclosed herein, including, for example, specific dimensions, orientations, positioning, and shapes will be determined in part by the particular intended application and use environment.

Detailed ways

Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims .

first embodiment

Fig. 2 shows a sectional view of a traction belt for an elevator system according to a first embodiment of the present invention. In this embodiment, the traction belt for the elevator system includes a covering body 1 extending longitudinally, a plurality of sets of bearing elements 2 extending longitudinally and arranged in parallel inside the covering body 1, and embedded in the covering body 1 The filling layer 3 inside the body 1 and between the carrier element 2 and the outer surface of the covering body 1 .

The covering body 1 is made of a polymer material, for example, a polyurethane material or a rubber material. The material of the bearing element 2 is a well-known technology in the traction belt field, so it will not be described in detail.

3 is the marking layer, which is made of a special non-metallic material. During the use of the elevator, the traction belt of the non-metallic material bears changing loads. Changing loads inevitably generate vibrations, which generate various audible frequencies. The working environment of the traction belt is under different light conditions and temperature conditions. Under the conditions of bearing different loads, light intensity, temperature or different sound frequencies, the special non-metallic material of the filling layer 3 will show different colors or magnetic fields. As an example during specific implementation, the material of the filling layer 3 may be a photochromic compound material such as polymer opal, spiropyran, oxazine, fluorescent protein or diarylethene.

This photochromic compound material exhibits a certain color under light, and the color can change with temperature, and can also change with load or vibration. Therefore, when the temperature of the traction belt increases due to a fault in operation, or is subjected to vibration due to a fault, the color of the filling layer 3 changes. Or when the traction belt bears an excessive load, or the load changes due to damage, the color of the filling layer 3 will also change.

In order to ensure that the color of the filling layer 3 can be projected, the covering body 1 can be made of a transparent or translucent material. Through the covering body 1 of transparent or translucent material, the color change of the filling layer 3 can be seen, so as to determine whether the traction belt is working in an abnormal state and needs to be repaired, or whether it has been damaged and needs to be replaced.

The filling layer 3 can also be magnetic material such as magnetic powder, which is evenly distributed in the filling layer 3 to form a specific magnetic field strength.

When the traction belt bears load and produces tensile deformation, the original magnetic field strength of the magnetic powder changes, and the load-carrying condition of the traction belt can be intuitively fed back through the change of the magnetic field strength. Various known methods can be used to display the change of this magnetic field, such as converting the magnetic field signal into an electrical signal through a circuit, thereby driving various visual display devices or sound alarm devices, etc., so as to determine whether the traction belt is working or not. It is in normal condition and needs to be repaired, or if it has been damaged and needs to be replaced. The visual display device may be, for example, a light emitting diode, or an electroluminescent element, among others. The sound alarm device may be a loudspeaker.

For the filling layer 3 using magnetic materials such as magnetic powder, the material of the coating can be transparent or translucent, or opaque.

The above-mentioned structure that the filling layer 3 is embedded in the covering body 1 helps to protect the filling layer 3 made of special materials, thereby prolonging the service life of the entire traction belt.

second embodiment

Fig. 3 shows a sectional view of a traction belt for an elevator system according to a second embodiment of the present invention. In this embodiment, the traction belt for the elevator system includes a covering body 1 extending longitudinally, a plurality of sets of load-bearing elements 2 extending longitudinally and arranged in parallel in the covering body 1, and wrapped in the covering body 1 The outer wrapping layer 4 outside the body 1.

Like the first embodiment shown in FIG. 2 , the covering body 1 is made of a polymer material, for example, a polyurethane material or a rubber material. The material of the bearing element 2 is a well-known technology in the traction belt field, so it will not be described in detail.

The outer wrapping layer 4 can use the same photochromic compound material or magnetic material as the filling layer 3 of the first embodiment. When a magnetic material is used, various visual display means or sound alarm means can be used as in the first embodiment. Thereby, the same function of monitoring the performance state of the traction belt as in the first embodiment is realized.

Compared with the first embodiment, the technical solution of the outer wrapping layer 4 wrapped outside the wrapping body 1 helps to ensure the overall strength of the traction belt, because there is no non-metallic material embedded with a special warning function. Fill layer 3. Just because it does not require the step of embedding the filling layer 3 in the covering body 1 , the manufacturing process is simplified, thereby helping to reduce the manufacturing cost. In addition, the technical solution of the second embodiment does not require the light transmittance of the material of the covering body 1 , which also helps to reduce the cost of materials.

third embodiment

Fig. 4 shows a sectional view of a traction belt for an elevator system according to a third embodiment of the present invention. In this embodiment, the traction belt for the elevator system includes a covering body 1 extending longitudinally, in the covering body 1 a plurality of groups of load-bearing elements 2 extending longitudinally and arranged in parallel, embedded in the covering body 1 and a filling layer 3 between the load-bearing element 2 and the outer surface of the covering body 1 , and an outer wrapping layer 4 wrapping outside the covering body 1 .

Obviously, this embodiment includes all the features of the first embodiment and the second embodiment, and the materials and functions of each component are basically the same. Of course, for the filling layer 3 using a photochromic compound material, in order to ensure that the color of the filling layer 3 can be projected, the material of the covering body 1 should be transparent or translucent.

The advantage of the third embodiment is that the materials for combining the filling layer 3 and the outer wrapping layer 4 can be freely selected according to the performance requirements of the product, production conditions, and performance conditions that the materials can achieve. In other words, the materials of the filling layer 3 and the outer wrapping layer 4 can freely choose a combination between the photochromic compound material and the magnetic material, so as to better exert the respective performance advantages of these two components and overcome their respective performance limitations sex.

Fig. 5 shows a modification example of the third embodiment according to the present invention, wherein the filling layer 1 is distributed in the shape of strips or strip-like bodies arranged at intervals. Such a structure obviously does not require a whole large-area filling layer, which obviously reduces the requirement on the supply of raw materials for the filling layer, thereby helping to reduce material costs. More importantly, the size of the filling layer 1 can be made very small, so that the adverse effect on the overall strength of the traction belt can be reduced to the minimum.

Although Fig. 5 shows a modification example of the third embodiment, it should be noted that the structure in which the packing layer 1 is arranged at intervals in the form of strips or strip-like distributions can obviously also be applied to the first embodiment and the second embodiment. implementation plan.

In each of the above embodiments, the color of the filling layer and/or the outer wrapping layer changes with the load, vibration, light intensity or temperature, or the filling layer and/or the outer wrapping layer change with the load, Changes in the magnetic field strength due to changes in vibration, light intensity or temperature can accurately and intuitively monitor the performance status of the traction belt in real time without relying on regular manual appearance inspections or professional traction belt performance fault monitoring instruments. This improves the reliability of the equipment and reduces maintenance costs.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. These descriptions are not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to make and use various exemplary embodiments and various aspects of the invention. choices and changes. It is intended that the scope of the invention be defined by the appended claims and their equivalents.

Claims (10)

1. a kind of drawing belt for elevator device, it is characterised in that including：

Covering body (1) extends along the longitudinal direction of drawing belt；

Multiple groups load-carrying unit (2), it is internal along longitudinal extension and arranged in parallel in covering body (1)；And

Filled layer (3) is embedded within covering body (1), and is between load-carrying unit (2) and the outer surface of covering body (1),

Wherein the filled layer (3) changes color with the variation of borne load, vibration, intensity of illumination or temperature, and institute The covering body (1) stated is transparent or semitransparent material；Or the filled layer (3) is with borne load, vibration, intensity of illumination Or temperature variation and change magnetic field strength.

2. the drawing belt according to claim 1 for elevator device, it is characterised in that：The material of the filled layer (3) Selected from any one of polymerase proteins stone, spiro-pyrans class, oxazines class, fluorescin class and diaryl ethylene compounds.

3. the drawing belt according to claim 1 for elevator device, it is characterised in that：The material of the filled layer (3) For magnetic nonmetallic materials, wherein being uniformly distributed magnetic material.

4. the drawing belt according to claim 1 for elevator device, it is characterised in that：The filled layer (3) includes more A spaced band-like, class shoestring.

5. a kind of drawing belt for elevator device, it is characterised in that including：

Covering body (1) extends along the longitudinal direction of drawing belt；

Multiple groups load-carrying unit (2), it is internal along longitudinal extension and arranged in parallel in covering body (1)；And

Outer casing (4) is wrapped in except covering body (1),

Wherein the outer casing (4) changes color with the variation of borne load, vibration, intensity of illumination or temperature；Or Outer casing described in person (4) changes magnetic field strength with the variation of borne load, vibration, intensity of illumination or temperature.

6. the drawing belt according to claim 5 for elevator device, it is characterised in that：The material of the outer casing (4) Expect any one in polymerase proteins stone, spiro-pyrans class, oxazines class, fluorescin class and diaryl ethylene compounds Kind.

7. the drawing belt according to claim 5 for elevator device, it is characterised in that：The material of the outer casing (4) Material is magnetic nonmetallic materials, wherein being uniformly distributed magnetic material.

8. a kind of drawing belt for elevator device, it is characterised in that including：

Covering body (1) extends along the longitudinal direction of drawing belt；

Multiple groups load-carrying unit (2), it is internal along longitudinal extension and arranged in parallel in covering body (1)；

Filled layer (3) is embedded within covering body (1), and between load-carrying unit (2) and the outer surface of covering body (1)； And

Outer casing (4) is wrapped in except covering body (1),

Wherein the filled layer (3) be with borne load, vibration, intensity of illumination or temperature variation and change filling out for color It fills layer (3), and the covering body (1) and outer casing (4) is transparent or semitransparent material；Or the filled layer (3) is Change the filled layer (3) of magnetic field strength with the variation of borne load, vibration, intensity of illumination or temperature,

Wherein the outer casing (4) be with borne load, vibration, intensity of illumination or temperature variation and change color Outer casing (4)；Or the outer casing (4) be with borne load, vibration, intensity of illumination or temperature variation and change The outer casing (4) of varying magnetic field intensity.

9. the drawing belt according to claim 8 for elevator device, it is characterised in that：The filled layer (3) and outsourcing The material of covering layer (4) is respectively selected from polymerase proteins stone, spiro-pyrans class, oxazines class, fluorescin class and diarylethene Close any one of object.

10. the drawing belt according to claim 8 for elevator device, it is characterised in that：The material of the outer casing (4) Material is magnetic nonmetallic materials, wherein being uniformly distributed magnetic material.