CN210029704U - Force measuring device of handrail belt and escalator - Google Patents
Force measuring device of handrail belt and escalator Download PDFInfo
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- CN210029704U CN210029704U CN201920473653.XU CN201920473653U CN210029704U CN 210029704 U CN210029704 U CN 210029704U CN 201920473653 U CN201920473653 U CN 201920473653U CN 210029704 U CN210029704 U CN 210029704U
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- handrail
- pressure sensor
- measuring device
- force measuring
- force
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Abstract
The utility model provides a measuring force device and automatic escalator of handrail area, measuring force device includes: the handrail guide rail is arranged on the breast board and is provided with a hollow area; a handrail belt running along the handrail guide rail; the rotary chain is laid between the handrail guide rail and the handrail belt; the pressure sensor is arranged in the hollowed-out area and is fixedly installed relative to the breast board; and the force guide piece acts between the rotary chain and the pressure sensor and transmits the pressure from the rotary chain to the pressure sensor. The utility model discloses a technical scheme measures accurately, selects to measure the pressure between gyration chain and the breast board, can accurately reflect the tight degree that rises in handrail area, avoids causing because reasons such as the elasticity of handrail area self to rise tight degree improper.
Description
Technical Field
The utility model relates to an automatic escalator technical field especially relates to a measuring force device and automatic escalator of handrail area.
Background
With the development of society and the improvement of living standard of people, the escalator is generally applied to daily life as a safe and effective uplink and downlink traffic transmission tool. The escalator handrail is one of main components of the escalator, and under the condition that the handrail normally runs, passengers can effectively guarantee the safety of taking the escalator when the passengers run along with the escalator.
The tension degree of the handrail belt on the handrail guide rail determines the running condition of the handrail belt, the tension of the handrail belt is too tight, the tension force of the handrail belt is too large, the abrasion of the handrail belt is accelerated, and the service life of the handrail belt is influenced; too tight expansion of the handrail belt can also lead to the acceleration of the abrasion speed of the parts of the relevant escalator supporting the operation of the handrail belt, thereby influencing the service life of the whole escalator and increasing the corresponding maintenance cost by replacing the relevant parts; the handrail belt is too loose, the handrail belt and the escalator run asynchronously, and when a passenger takes the escalator and holds the handrail belt, the passenger is easy to fall down, so that certain safety risk is caused.
At present, the tension degree of the handrail belt is generally measured by the following two methods: one is to use a measuring tape to measure the drooping amount of the handrail belt at the middle of the opening with 1160mm of the return end of the inclined section of the escalator, and the drooping amount is generally considered to be 8cm-12cm as a reasonable tensioning degree. Because the handrail belt is not a completely flexible part, the result of each measurement of the same escalator under the same tensioning condition can be different, and therefore, the tensioning degree of the handrail belt can only be roughly evaluated by using the method. The related art refers to a method for testing the tension force of the handrail belt at the position R, and the tension degree of the handrail belt is evaluated. Both the two methods can only roughly evaluate the tension condition of the handrail belt.
SUMMERY OF THE UTILITY MODEL
The utility model provides a measuring force device and automatic escalator of handrail area.
A force measuring device of a handrail belt, the force measuring device comprising:
the handrail guide rail is arranged on the breast board and is provided with a hollow area;
a handrail belt running along the handrail guide rail;
the rotary chain is laid between the handrail guide rail and the handrail belt;
the pressure sensor is arranged in the hollow area, and two ends of the pressure sensor respectively abut against the rotary chain and the breast board;
and the force guide piece acts between the rotary chain and the pressure sensor and transmits the pressure from the rotary chain to the pressure sensor.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, the handrail guide comprises:
the guide rail base is fixed with a breast board of the escalator;
the guide parts are arranged on two sides of the guide rail base and are in sliding fit with the hand strap;
the hollow area is arranged on the guide rail base, and the pressure sensor penetrates through the hollow area, and two ends of the pressure sensor respectively abut against the force guide piece and the breast board.
Optionally, the guide rail base is in clearance fit with the breast board, and the pressure sensor is arranged between the guide rail base and the breast board.
Optionally, the breast board is close to one side of guide rail base is equipped with the mounting panel, be equipped with the bar hole that is used for adjusting self mounted position on the mounting panel, pressure sensor's both ends respectively with lead power spare and mounting panel and offset.
Optionally, the mounting panel includes with the fixing base that the breast board is connected and the supporting platform towards the handrail area, pressure sensor's both ends respectively with lead the power piece and the supporting platform offsets.
Optionally, one or more pressure sensors are arranged in the moving direction of the handrail.
Optionally, the swing chain comprises sprockets for guiding the handrail belt and links connecting the sprockets, the force guide being provided on the links.
Optionally, the force measuring device further comprises an upper computer for reading the value of the pressure sensor.
Optionally, the force measuring device further comprises an adjusting seat, and the adjusting seat is installed in the force measuring area and used for adjusting the running state of the handrail belt.
The utility model also discloses an escalator, escalator includes R portion down, goes up R portion and connection go up the slope section of R portion and lower R portion, go up R portion and/or install any one of the above-mentioned embodiment in the R portion down force measuring device.
The utility model discloses a technical scheme includes following technical advantage at least:
the measurement is accurate, the pressure between the rotating chain and the breast board is selected to be measured, the tension degree of the hand strap can be accurately reflected, and the phenomenon that the tension degree is not appropriate due to the elasticity of the hand strap and the like is avoided;
the measurement feedback is timely, and the operation condition of the hand strap can be monitored according to the data of the pressure sensor, so that timely adjustment and timely monitoring are realized.
Drawings
Fig. 1 is a schematic view of an escalator in the present embodiment;
FIG. 2 is a schematic view of the force measuring device of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic cross-sectional view of the force measuring device of fig. 1.
The reference numerals in the figures are illustrated as follows:
1. a handrail belt; 2. a handrail guide rail; 21. a breast board; 22. an avoidance groove; 23. a guide rail base; 24. a guide portion; 25. a hollow-out area; 26. mounting a plate; 261. a fixed seat; 262. a support platform; 263. a strip-shaped hole; 3. a rotating chain; 31. a sprocket; 32. a chain link; 4. a pressure sensor; 5. a force guide; 6. an upper computer; 7. an adjusting seat; 8. a lower R portion; 9. an upper R section; 10. an inclined section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In an embodiment a force measuring device of a handrail belt 1 is provided, the force measuring device comprising:
the handrail guide rail 2 is arranged on the breast board 21 and is provided with a hollow area 25;
a handrail belt 1 running along the handrail guide rail 2;
a revolving chain 3 laid between the handrail guide 2 and the handrail belt 1;
the pressure sensor 4 is arranged in the hollow-out area 25 and is fixedly installed relative to the breast board 21;
and a force guide 5 which acts between the rotating chain 3 and the pressure sensor 4 and transmits the pressure from the rotating chain 3 to the pressure sensor 4.
The rotating chain 3 is used for converting the sliding friction between the handrail guide rail 2 and the handrail 1 into the rolling friction of the rotating chain 3, so that the handrail 1 can stably run along the handrail guide rail 2 at the rotating chain 3, and the tension state of the handrail 1 can also be stably expressed at the rotating chain 3. The advantage of the pressure sensor 4 detecting the pressure from the handrail belt 1 under the bearing of the balustrade panel 21 via the force guide 5, the revolving chain 3 is that the process of pressure measurement is less prone to interference by other processes than when mounted elsewhere, for example between the handrail belt 1 and the handrail guide 2. For example, if the pressure sensor 4 is disposed between the handrail belt 1 and the handrail guide 2, a high friction coefficient of the handrail belt 1 may generate a component force in another direction to the pressure sensor 4, thereby affecting the stability of the pressure sensor 4 by degrees. The force guide 5 is designed to form a stable stress platform for the pressure sensor 4, so that stable measurement is realized.
In one embodiment, the handrail guide 2 includes:
a guide rail base 23 fixed to a balustrade 21 of the escalator;
the guide parts 24 are arranged on two sides of the guide rail base 23 and are in sliding fit with the handrail 1;
the hollow-out area 25 is arranged on the guide rail base 23, and the pressure sensor 4 penetrates through the hollow-out area 25 and is respectively abutted to the force guide piece 5 and the breast board 21.
The cross section of the guide rail base 23 is U-shaped with a backrest opening facing back to the handrail belt 1, and an avoiding groove 22 for avoiding the guide member 5 is formed on the closed end of the U-shape. In this embodiment the force-guiding member 5 is a metal pad mounted on the side of the revolving chain 3 facing away from the handrail belt 1, and the force-guiding member 5 is regularly rectangular in cross-sectional shape, which has the advantage of providing a stable plane of action for the pressure sensor 4. In cross section, the force guide 5 forms a projection relative to the rotating chain 3, which is directed toward the pressure sensor 4, and the escape groove 22 is used to accommodate the projecting force guide 5 and to enable the force guide 5 to exert a force on the pressure sensor 4. When the pressure sensor is in a limit state, the closed end of the U shape can be abutted against the rotary chain 3 to provide a limiting protection pressure sensor 4. In this design, the guide rail base 23 accommodates the limiting force guide 5 through the avoiding groove 22, and provides a stable measurement environment for the pressure sensor 4.
The pressure sensor 4 is arranged on the guide rail base 23, so that the pressure degree error caused by uneven stress on the two sides of the handrail belt 1 can be reduced. In the practical use process, the handrail belt 1 is wide in width and long in length, and concentrated stress is easily formed at partial positions, so that the handrail guide rail 2 is deformed, and therefore the pressure sensor 4 is arranged on the guide rail base 23 with the best rigidity, the influence of harmful component force on the reading of the pressure sensor 4 can be effectively reduced, and the accuracy of force measurement is realized.
In one embodiment, the rail base 23 is in clearance fit with the breast board 21, and the pressure sensor 4 is disposed between the rail base 23 and the breast board 21.
A gap is reserved between the guide rail base 23 and the breast board 21, the pressure sensor 4 is accommodated in the gap in the scheme of the embodiment, the pressure sensor 4 can be conveniently taken out from the side without disassembling the guide rail base 23 or the breast board 21 due to the design of the gap, therefore, the quantity and the position of the pressure sensor 4 can be conveniently adjusted according to different conditions, and the force measuring scheme is convenient for operators to formulate and use different force measuring schemes.
In one embodiment, a mounting plate 26 is disposed on a side of the balustrade 21 close to the rail base 23, a strip-shaped hole 263 for adjusting the mounting position of the mounting plate 26 is disposed on the mounting plate 26, and the pressure sensor 4 is abutted to the force guide 5 and the mounting plate 26 respectively.
In actual use, there will be a tolerance match between the balustrade 21 and the guide rail base 23 due to manufacturing assembly errors. If any matching tolerances exist, the readings of the pressure sensor 4 at different positions will be affected. Therefore, in the scheme of the embodiment, the position of the mounting plate 26 is adjusted through the strip-shaped hole 263, so that unified calibration is realized, and an accurate force measurement result is ensured.
In one embodiment, the mounting plate 26 includes a fixing base 261 connected to the balustrade panel 21 and a supporting platform 262 facing the handrail belt 1, and both ends of the pressure sensor 4 respectively abut against the force guide 5 and the supporting platform 262.
The force guide part 5 and the support platform 262 form a stable clamping system to ensure that the pressure sensor 4 can obtain accurate tension data of the handrail belt 1 in the operation process of the handrail belt 1, thereby ensuring the accuracy of adjustment.
In an embodiment the pressure sensors 4 are arranged one or more in the moving direction of the handrail belt 1.
One or more pressure sensors 4 can achieve different technical effects. For example, the simultaneous reading of the pressure sensors 4 can realize the mutual error correction of the data of the pressure sensors 4, thereby improving the robustness in the force measuring process; for example, different readings obtained by a plurality of sensors at different positions can be used for adjusting the most appropriate tensioning degree of the handrail belt 1 through weighting calculation and the like, so that the scientific feasibility of the adjusting process is improved; for example, in a simple equipment debugging process, one pressure sensor 4 can be conveniently arranged and measured, the force measuring process is optimized, and the arrangement process is simplified.
In an embodiment the revolving chain 3 comprises chain wheels 31 for guiding the handrail belt 1 and chain links 32 connecting the chain wheels 31, the force-guiding members 5 being arranged on the chain links 32.
The sprocket 31 is used to improve the smoothness of the handrail belt 1, so the sprocket 31 needs to be in direct contact with the handrail belt 1, the running state of the sprocket 31 is easily affected by the running state or the surface flatness of the handrail belt 1, and the force guide 5 abuts against the chain link 32 to improve the stability of the reading of the pressure sensor 4. Meanwhile, the chain links 32 are connected with each other, so that the influence caused by assembly process or production errors of all parts can be eliminated in the whole range.
In an embodiment, the force measuring device further comprises an upper computer 6 for reading the value of the pressure sensor 4.
The upper computer 6 is used for reading the numerical value of the pressure sensor 4. When the pressure sensors 4 are arranged in different numbers, positions and types, the upper computer 6 is also changed correspondingly. For example, when only one pressure sensor 4 is provided, the upper computer 6 can preferably select a single digital display instrument for display, so that the operation is convenient; when a plurality of pressure sensors 4 are arranged, the upper computer 6 can preferably select a plurality of digital display instruments capable of displaying simultaneously, so that the macroscopic adjustment of operators is facilitated; when the pressure sensor 4 is installed all the time along with the operation of the elevator and continuously works, the upper computer 6 can select a control circuit comprising a single chip microcomputer, compares preset values according to different values of the pressure sensor 4, and executes corresponding operation.
In an embodiment, the force measuring device further comprises an adjusting seat 7, and the adjusting seat 7 is installed in the hollow area and is used for adjusting the running state of the handrail belt 1.
The adjusting seat 7 is used for adjusting the running state of the handrail 1 to a reasonable working condition. In actual use, the adjusting seat 7 may preferably be cylindrical, square or other shape. In the present embodiment, the adjustment seat 7 is selected to correspond to the outer dimensions of the pressure sensor 4. When the pressure sensors 4 are only required to be provided at individual positions, the operating state of the handrail belt 1 may be slightly deviated because the pressure sensors 4 are not supported between the force guide 5 and the mounting plate 26 at positions where the pressure sensors 4 are not provided, and thus may have an influence on the force measuring process. The design of the adjusting seat 7 can ensure that the working process of the handrail belt 1 is always stable, and the stability of force measurement is improved.
After the dynamometry process is accomplished, be in economic consideration, operating personnel can choose to demolish the dynamometry device, and the breast board 21 among the installation meeting prior art, handrail guide rail 2 are in order to promote product economy, also can be as the utility model discloses an escalator is the same, remains the dynamometry device.
In one embodiment, the escalator comprises a lower R part 8, an upper R part 9 and an inclined section 10 connecting the upper R part 9 and the lower R part 8, wherein the upper R part 9 and/or the lower R part 8 are provided with force measuring devices in any one of the above embodiments.
The handrail belt 1 and the handrail guide rail 2 are in sliding fit on the inclined section 10, the stress between the handrail belt and the handrail guide rail is small, and the friction force is small. However, in the lower R portion 8 and the upper R portion 9, the handrail 1 needs to be bent, and thus, a large stress is applied to the handrail guide 2, and if the tightening degree of the handrail 1 is too large, wear generally occurs in the lower R portion 8 and the upper R portion 9, so that the stress between the handrail 1 and the handrail guide 2 in the lower R portion 8 and the upper R portion 9 can reflect the most suitable tightening degree of the handrail 1. In the daily use process, the pressure sensor 4 can continuously monitor the tensioning condition of the handrail belt 1, the upper computer 6 can select a control circuit comprising a single chip microcomputer, preset values are compared according to different values of the pressure sensor 4, and corresponding operation is executed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A force measuring device of a handrail belt, characterized in that the force measuring device comprises:
the handrail guide rail is arranged on the breast board and is provided with a hollow area;
a handrail belt running along the handrail guide rail;
the rotary chain is laid between the handrail guide rail and the handrail belt;
the pressure sensor is arranged in the hollowed-out area and is fixedly installed relative to the breast board;
and the force guide piece acts between the rotary chain and the pressure sensor and transmits the pressure from the rotary chain to the pressure sensor.
2. The force measuring device of claim 1, wherein the handrail guide comprises:
the guide rail base is fixed with a breast board of the escalator;
the guide parts are arranged on two sides of the guide rail base and are in sliding fit with the hand strap;
the hollow area is arranged on the guide rail base, and the pressure sensor penetrates through the hollow area and is respectively abutted to the force guide piece and the breast board.
3. The force measuring device of claim 2, wherein the rail base is a clearance fit with the breast plate, and the pressure sensor is disposed between the rail base and the breast plate.
4. The force measuring device of claim 2, wherein a mounting plate is disposed on a side of the balustrade adjacent to the rail base, the mounting plate has a strip-shaped hole for adjusting the mounting position of the balustrade, and two ends of the pressure sensor respectively abut against the force guide and the mounting plate.
5. The force measuring device of claim 4, wherein the mounting plate comprises a fixed seat connected to the balustrade panel and a support platform facing the handrail, and both ends of the pressure sensor respectively abut against the force guide and the support platform.
6. Force measuring device according to claim 1, wherein the pressure sensor is provided in one or more in the direction of movement of the handrail belt.
7. Force measuring device according to claim 1, wherein the revolving chain comprises chain wheels for guiding the handrail belt and chain links connecting the chain wheels, the force-guiding element being arranged on the chain links.
8. The force measuring device of claim 1, further comprising an upper computer for reading the pressure sensor value.
9. The force measuring device of claim 1, further comprising an adjustment seat mounted within the hollowed out area and used to adjust the operating condition of the handrail belt.
10. Escalator, comprising a lower R section, an upper R section and an inclined section connecting the upper and lower R sections, characterized in that the force measuring device according to any of claims 1 to 9 is mounted on the upper and/or lower R section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473653.XU CN210029704U (en) | 2019-04-09 | 2019-04-09 | Force measuring device of handrail belt and escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920473653.XU CN210029704U (en) | 2019-04-09 | 2019-04-09 | Force measuring device of handrail belt and escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210029704U true CN210029704U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920473653.XU Active CN210029704U (en) | 2019-04-09 | 2019-04-09 | Force measuring device of handrail belt and escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210029704U (en) |
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2019
- 2019-04-09 CN CN201920473653.XU patent/CN210029704U/en active Active
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