CN111960220B - Deflection detection device of guide wheel in elevator traction system - Google Patents
Deflection detection device of guide wheel in elevator traction system Download PDFInfo
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- CN111960220B CN111960220B CN202010822368.1A CN202010822368A CN111960220B CN 111960220 B CN111960220 B CN 111960220B CN 202010822368 A CN202010822368 A CN 202010822368A CN 111960220 B CN111960220 B CN 111960220B
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims 7
- 241001330002 Bambuseae Species 0.000 claims 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 7
- 239000011425 bamboo Substances 0.000 claims 7
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 230000035882 stress Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1246—Checking means specially adapted for guides
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides a deflection detection device for a guide wheel in an elevator traction system, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. This deflection detection device of leading wheel among elevator traction system, leading wheel are used for the axial to connect firmly in the elevator shaft, leading wheel border department has the concave grooving of annular, and this detection device includes connecting rod, connecting plate one, connecting plate two and pressure sensing subassembly, and above-mentioned connecting rod is used for linking firmly in the elevator shaft, and above-mentioned connecting plate one and connecting plate two are connected respectively at connecting rod both ends department, pressure sensing subassembly is connected in a connecting plate lateral part department and pressure sensing subassembly and is close to in the leading wheel lateral part. The deflection detection device of the guide wheel in the elevator traction system has high stability.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a deflection detection device for a guide wheel in an elevator traction system.
Background
The elevator traction system has the functions of outputting and transmitting power and providing active acting force for elevator operation. The traction system mainly comprises a traction machine, a traction steel wire rope, a guide wheel and a diversion sheave.
The traction wire rope is wound around the guide wheel, which may deflect during use. The deviation causes the dragging steel wire rope to loosen and fall off, and the use safety of the elevator is influenced.
In order to solve this problem, a service person is required to periodically perform inspection and maintenance on the elevator. Because the items are more in the detection and maintenance process, whether the guide wheel is detected obliquely or not is also judged completely by the experience of maintainers, so that the stability of the elevator in the operation process is poor.
Moreover, the guide wheels may also store the occurrence of a deflection during non-servicing, which further results in that it affects the running stability of the elevator.
Disclosure of Invention
The invention aims to provide a deflection detection device of a guide wheel in an elevator traction system, which has high stability and compact structure and solves the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an incline detection device of leading wheel among elevator traction system, the leading wheel is used for the axial to connect firmly in the elevator shaft, leading wheel border department has the recessed grooving of annular, its characterized in that, this detection device includes connecting rod, connecting plate one, connecting plate two and pressure sensing subassembly, and above-mentioned connecting rod is used for linking firmly in the elevator shaft, and above-mentioned connecting plate one and connecting plate two are connected respectively in connecting rod both ends department, pressure sensing subassembly is connected in a connecting plate lateral part department and pressure sensing subassembly and is close to in the leading wheel lateral part.
According to the deflection detection device of the guide wheel in the elevator traction system, the first connecting plate and the second connecting plate are creatively connected to the two sides of the connecting rod, and the pressure sensing assembly connected to one side part of the connecting plate is close to the guide wheel. When the elevator normally operates, the pressure sensing assembly has a small distance with the side part of the guide wheel, and at the moment, the pressure sensing assembly is not in contact with the guide wheel. When the guide wheel deflects, the side part of the guide wheel abuts against the pressure sensor assembly, and the pressure sensor assembly sends out a corresponding deflection signal after being pushed and extruded. The corresponding potential safety hazard of the property elevator can be prompted through the signal. The skew signal is, of course, transmitted to the property monitoring center over existing wire lines. The signal transmission of the wire line is the prior art, and therefore, the structure thereof is described in detail in the present invention. Of course, the innovative technical solution of the present invention and how to transmit signals are not connected, and the present invention is only to solve the problem of detecting whether the guide wheels are deflected.
In the deflection detection device of the guide wheel in the elevator traction system, two ends of the connecting rod are connected with the positioning nuts, the first connecting plate and the second connecting plate are sleeved on the connecting rod, a spring is arranged between the first connecting plate and the second connecting plate which are positioned above the connecting rod, two ends of the spring are respectively abutted against the first connecting plate and the second connecting plate, the first connecting plate is abutted against one positioning nut under the elastic force of the spring, and the second connecting plate is abutted against the other positioning nut.
The first connecting plate and the second connecting plate are stably positioned on the connecting rod between the two positioning nuts. And the distance between the first connecting plate and the second connecting plate can be adjusted through the nuts.
Because the spring is positioned between the first connecting plate and the second connecting plate, the first connecting plate stably abuts against one of the positioning nuts under the action of the elastic force of the spring, and the second connecting plate stably abuts against the other positioning nut.
In the above-described deflection detecting device for a guide wheel in an elevator hoisting system, the first connecting plate has a cylindrical connecting cylinder at an upper portion thereof, and the second connecting plate has a rod-shaped guide rod at an upper half thereof, the guide rod being fitted into the connecting cylinder.
The guide rod is embedded in the connecting cylinder, plays a certain guiding role, and avoids the first connecting plate and the second connecting plate from swinging relatively.
Of course, the connecting rod is provided with a section of prismatic structure, the first connecting plate is provided with a connecting hole matched with the first connecting plate, and the connecting hole of the first connecting plate is positioned at the prismatic structure of the connecting rod, so that the first connecting plate can be prevented from rotating relative to the connecting rod. Because the first connecting plate is connected with the second connecting plate together, the first connecting plate and the second connecting plate can not rotate relative to the connecting rod finally. On the basis, the first connecting plate and the second connecting plate are sleeved on the connecting rod, and the connecting rod also has a guiding effect, so that the deflection detection device is stable.
In the deflection detecting device of the guide pulley in the elevator traction system described above, the spring is located in the connecting cylinder and the spring is compressed between the bottom of the connecting cylinder and the guide bar.
The structure can stably position the spring, and the first connecting plate and the second connecting plate have the tendency of abutting against the corresponding positioning nuts under the action of the elastic force of the spring.
In the deflection detection device of the guide wheel in the elevator traction system, the pressure sensing assembly comprises a positioning cylinder, a pressure sensor, a ball and a flexible connecting column, the inside of the positioning cylinder is a cavity, the outer end of the positioning cylinder is provided with an opening, the inner end of the positioning cylinder is fixedly connected to the lower part of a connecting plate, the pressure sensor is positioned at the bottom of the positioning cylinder, the ball is positioned at the end of the positioning cylinder, and the connecting column is tightly pressed between the sensor and the ball.
The ball keeps rolling contact with the side part of the guide wheel, so that the friction resistance can be reduced. Of course, after the ball is pushed and extruded by the side part of the guide wheel, the pressure sensor can be stably extruded through the flexible connecting column, and finally the deflection degree of the guide wheel is accurately judged through the pressure value detected by the pressure sensor.
In the deflection detection device of the guide wheel in the elevator traction system, the side part of the positioning cylinder is provided with a through installation opening, the inner end of the pressure sensor is embedded in the connecting cylinder, and the outer end of the pressure sensor extends out of the installation opening.
The pressure sensor can be stably connected to the connecting cylinder through the mounting port.
In the deflection detection device of the guide wheel in the elevator traction system, the connecting column is made of rubber materials.
The connecting column made of rubber materials can prevent the pressure sensor from being subjected to rigid impact.
In the deflection detecting device of the guide wheel in the elevator traction system, the end part of the connecting column is provided with the connecting part which is concave in a spherical surface, and the ball is in surface contact with the connecting part.
Such a construction enables a stable connection of the ball at the end of the connecting column.
In the deflection detection device of the guide wheel in the elevator traction system, the number of the pressure sensing assemblies is two, and the two pressure sensing assemblies are respectively connected to the first connecting plate and the second connecting plate.
This structure can stably detect to which side the guide wheel is deflected.
In the deflection detection device of the guide wheel in the elevator traction system, the two pressure sensing assemblies are symmetrically distributed on two sides of the guide wheel.
This can suitably improve the compactness thereof.
Compared with the prior art, the deflection detection device of the guide wheel in the elevator traction system can accurately detect the side deflection and the deflection degree of the guide wheel, so that the property center can carry out timely overhaul, maintenance and treatment on the deflection signal after receiving the deflection signal, and the running stability of the elevator is effectively improved.
Meanwhile, the first connecting plate and the second connecting plate are symmetrically arranged at two ends of the connecting rod, so that the occupied space is small, the structure is compact, and the practical value is high.
Drawings
Fig. 1 is a schematic structural view showing a normal state of a deflection detecting device of a guide wheel in an elevator traction system.
Fig. 2 is a schematic structural diagram of an abnormal state of the deflection detecting device of the guide wheel in the elevator traction system.
In the figure, 1, a guide wheel; 2. a connecting rod; 3. a first connecting plate; 3a, connecting a cylinder; 4. a second connecting plate; 4a, a guide rod; 5. positioning a nut; 6. a spring; 7. a positioning cylinder; 7a, an installation opening; 8. a pressure sensor; 9. a ball; 10. connecting columns; 10a, a connecting part.
Detailed Description
As shown in fig. 1, the guide wheel 1 is used for being axially and fixedly connected in an elevator shaft, the edge of the guide wheel 1 is provided with an annular concave rope groove, a traction steel wire rope is sleeved in the rope groove, and when the guide wheel rotates along with the traction steel wire rope, the traction steel wire rope can enable the guide wheel 1 to deflect due to aging or abnormal stress.
This deflection detection device of leading wheel among elevator traction system includes connecting rod 2, connecting plate one 3, connecting plate two 4 and pressure sensing subassembly, and connecting rod 2 is used for linking firmly in the elevator shaft, and above-mentioned connecting plate one 3 and connecting plate two 4 are connected respectively at connecting rod 2 both ends department, and pressure sensing subassembly is connected in connecting plate one 3 lateral parts department and pressure sensing subassembly and is close to in 1 lateral part of leading wheel.
Two ends of the connecting rod 2 are connected to the positioning nuts 5, the first connecting plate 3 and the second connecting plate 4 are sleeved on the connecting rod 2, the spring 6 is located above the connecting rod 2, two ends of the spring 6 abut against the first connecting plate 3 and the second connecting plate 4 respectively, the first connecting plate 3 abuts against one of the positioning nuts 5 under the elastic force action of the spring 6, and the second connecting plate 4 abuts against the other one of the positioning nuts 5. When the connecting rod is installed, the first connecting plate 3 and the second connecting plate 4 are sleeved on the connecting rod 2, and the positions of the two positioning nuts 5 are adjusted to enable the connecting plate to be connected
The upper part of the first connecting plate 3 is provided with a cylindrical connecting cylinder 3a, the upper half part of the second connecting plate 4 is provided with a rod-shaped guide rod 4a, and the guide rod 4a is embedded in the connecting cylinder 3 a.
The spring 6 is located in the connecting cylinder 3a and the spring 6 is compressed between the bottom of the connecting cylinder 3a and the guide rod 4 a.
The pressure sensing assembly comprises a positioning cylinder 7, a pressure sensor 8, a ball 9 and a flexible connecting column 10, wherein the connecting column 10 is made of rubber materials, the inside of the positioning cylinder 7 is a cavity and an outer end opening, the end part of the connecting column 10 is provided with a connecting part 10a with a concave spherical surface, and the ball 9 is in surface contact with the connecting part 10 a.
The inner of a locating cylinder 7 is fixedly connected with the lower part of a first connecting plate 3, the pressure sensor is positioned at the bottom of the locating cylinder 7, the ball 9 is positioned at the port of the locating cylinder 7, and the connecting column 10 is tightly pressed between the sensor 8 and the ball 9. The side part of the positioning cylinder 7 is provided with a through mounting hole 7a, the inner end of the pressure sensor 8 is embedded in the connecting cylinder 3a, and the outer end of the pressure sensor 8 extends out of the mounting hole 7 a.
The quantity of the pressure sensing assemblies is two, the two pressure sensing assemblies are respectively connected to the first connecting plate 3 and the second connecting plate 4, and the two pressure sensing assemblies are symmetrically distributed on two sides of the guide wheel 1.
The deflection detection device of the guide wheel 1 in the elevator traction system creatively connects the first connecting plate 3 and the second connecting plate 4 at the two sides of the connecting rod 2, and the pressure sensing assembly connected at the side part of the first connecting plate 3 is close to the guide wheel 1.
When the elevator normally runs, the pressure sensing assembly has a small distance with the side part of the guide wheel 1, and at the moment, the pressure sensing assembly is not in contact with the guide wheel.
As shown in fig. 2, when the leading wheel is inclined, the lateral part of the leading wheel 1 can abut against the pressure sensor assembly, so that the ball 9 extrudes the connecting column 10, the connecting column 10 deforms to enable the outer peripheral surface of the connecting column 10 to be in contact with the inner side surface of the positioning cylinder 7, meanwhile, the inner end of the connecting column 10 abuts against the pressure sensor 8, after the pressure sensor assembly is pushed and extruded, the connecting column 10 is made of rubber and deforms, on the one hand, the buffering effect is achieved, damage to the pressure sensor 8 is avoided, meanwhile, the pressure sensor 8 can be triggered, and a corresponding inclined signal is sent. The corresponding potential safety hazard of the property elevator can be prompted through the signal. When the device is replaced or maintained, only the positioning nut needs to be screwed off, the maintenance is convenient, and the fragile components cannot be damaged.
The skew signal is, of course, transmitted to the property monitoring center over existing wire lines. The signal transmission of the wire line is the prior art, and therefore, the structure thereof is described in detail in the present invention. Of course, the innovative technical solution of the present invention and how to transmit signals are not connected, and the present invention is only to solve the problem of detecting whether the guide wheels are deflected.
Claims (8)
1. The utility model provides a skew detection device of leading wheel among elevator system of towing, includes the pressure sensing subassembly, the pressure sensing subassembly includes a location section of thick bamboo (7), pressure sensor (8), ball (9) and flexible spliced pole (10), the pressure sensing subassembly includes inside cavity and the outer end opening of being of a location section of thick bamboo (7), above-mentioned ball (9) are located a location section of thick bamboo (7) port department, above-mentioned spliced pole (10) are sticis between pressure sensor (8) and ball (9), above-mentioned pressure sensor (8) are located a bottom department in a location section of thick bamboo (7), and have the removal clearance between spliced pole (10) periphery and a location section of thick bamboo (7), its characterized in that, leading wheel (1) are used for the axial to connect firmly in the elevator well, leading wheel (1) border department has the sunken grooving of annular, this detection device includes connecting rod (2), Connecting plate (3) and connecting plate two (4), above-mentioned connecting rod (2) are used for linking firmly in the elevator shaft, and connecting rod (2) both ends department is connected respectively in above-mentioned connecting plate (3) and connecting plate two (4), the pressure sensing subassembly is connected in connecting plate (3) lateral part department and pressure sensing subassembly and is close to in leading wheel (1) lateral part, and when the elevator normally operated, the interval has between pressure sensing subassembly and leading wheel (1) lateral part, location section of thick bamboo (7) the inner links firmly in connecting plate (3) lower part, spliced pole (10) are rubber materials, and when ball (9) extrusion spliced pole (10), spliced pole (10) produce to warp and make spliced pole (10) outer peripheral face and location section of thick bamboo (7) medial surface contact, spliced pole (10) inner roof pressure sensor (8) simultaneously.
2. The deviation detection device of the guide wheel in the elevator traction system according to claim 1, wherein two ends of the connecting rod (2) are connected with positioning nuts (5), the first connecting plate (3) and the second connecting plate (4) are sleeved on the connecting rod (2), a spring (6) is arranged between the first connecting plate (3) and the second connecting plate (4) above the connecting rod (2), two ends of the spring (6) are respectively abutted against the first connecting plate (3) and the second connecting plate (4), the first connecting plate (3) is abutted against one positioning nut (5) under the elastic force of the spring (6), and the second connecting plate (4) is abutted against the other positioning nut (5).
3. The apparatus for detecting the deviation of a guide wheel in an elevator traction system according to claim 2, wherein the first connecting plate (3) has a cylindrical connecting cylinder (3a) at an upper portion thereof, and the second connecting plate (4) has a rod-shaped guide bar (4a) at an upper half portion thereof, and the guide bar (4a) is fitted into the connecting cylinder (3 a).
4. The deflection sensing device of a guide wheel in an elevator traction system according to claim 3, wherein the spring (6) is located in the connecting cylinder (3a) and the spring (6) is compressed between the bottom of the connecting cylinder (3a) and the guide bar (4 a).
5. The deviation detecting device of the guide wheel in the elevator traction system according to claim 4, wherein the positioning cylinder (7) has a through mounting opening (7a) at a side portion thereof, the inner end of the pressure sensor (8) is embedded in the connecting cylinder (3a), and the outer end of the pressure sensor (8) protrudes out of the mounting opening (7 a).
6. The deviation detecting device of a guide wheel in an elevator traction system according to claim 5, wherein the end of the connecting column (10) has a connecting part (10a) which is concave in a spherical surface, and the ball (9) is in surface contact with the connecting part (10 a).
7. The apparatus for detecting deflection of a guide wheel in an elevator traction system according to claim 6, wherein the number of the pressure sensing units is two, and the two pressure sensing units are respectively connected to the first connecting plate (3) and the second connecting plate (4).
8. The deviation detecting device of the guide wheel in the elevator traction system according to claim 7, wherein the two pressure sensing units are symmetrically distributed on both sides of the guide wheel (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010822368.1A CN111960220B (en) | 2020-08-17 | 2020-08-17 | Deflection detection device of guide wheel in elevator traction system |
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| CN202010822368.1A CN111960220B (en) | 2020-08-17 | 2020-08-17 | Deflection detection device of guide wheel in elevator traction system |
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| CN111960220A CN111960220A (en) | 2020-11-20 |
| CN111960220B true CN111960220B (en) | 2021-12-24 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664512A (en) * | 2012-05-09 | 2012-09-12 | 林贵生 | Passive permanent magnet coupling transmission, braking or load device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375137A (en) * | 2012-04-24 | 2013-10-30 | 山东力久特种电机有限公司 | Square clamp for clamping screw pump polish rod |
| US9522806B2 (en) * | 2012-06-29 | 2016-12-20 | Inventio Ag | Deflection pulley cover for monitoring elevator car support |
| CN105020218A (en) * | 2014-04-22 | 2015-11-04 | 东风汽车悬架弹簧有限公司 | Clamping hoop for steel plate springs |
| CN203845640U (en) * | 2014-05-12 | 2014-09-24 | 林肯电梯(中国)有限公司 | Traction sheave deflection alarm device of elevator |
| DE102014017357A1 (en) * | 2014-11-25 | 2016-05-25 | Thyssenkrupp Ag | elevator system |
| CN108627343A (en) * | 2018-06-19 | 2018-10-09 | 安徽摩格恩轴承有限公司 | A kind of full-automatic comprehensive detection device of bearing |
| CN208440130U (en) * | 2018-06-27 | 2019-01-29 | 浙江巨通电梯有限公司 | A kind of elevator traction sheave with deflection detection function |
| CN110578764A (en) * | 2019-08-22 | 2019-12-17 | 上海大陆汽车制动系统销售有限公司 | Software type electronic brake caliper friction plate abrasion alarm system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664512A (en) * | 2012-05-09 | 2012-09-12 | 林贵生 | Passive permanent magnet coupling transmission, braking or load device |
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Effective date of registration: 20240109 Address after: 318000, No. 993-997, Mapu Road, Lubei Street, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Taizhou riling Elevator Co.,Ltd. Address before: 310018, No. 68, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: HANGZHOU VOCATIONAL & TECHNICAL College |
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