CN110194404B - Steel belt type elevator - Google Patents
Steel belt type elevator Download PDFInfo
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- CN110194404B CN110194404B CN201910602284.4A CN201910602284A CN110194404B CN 110194404 B CN110194404 B CN 110194404B CN 201910602284 A CN201910602284 A CN 201910602284A CN 110194404 B CN110194404 B CN 110194404B
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- steel belt
- bracket
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- rotating wheel
- elevator
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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
- B66B7/06—Arrangements of ropes or cables
- B66B7/062—Belts
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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
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1238—Checking means specially adapted for ropes or cables by optical techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a steel belt type elevator, which comprises an elevator shaft, a counterweight, a car, a traction machine and a controller, wherein the counterweight, the car, the traction machine and the controller are arranged in the elevator shaft, the top of the elevator shaft is provided with a cross beam, the traction machine is arranged on the cross beam, the counterweight and the car are arranged on a sliding rail on the inner wall of the elevator shaft in a sliding manner, a traction wheel is rotationally arranged on the cross beam, the traction wheel is connected with an output shaft of the traction machine through a speed reducer, and the counterweight is connected with the top of the car through bypassing the traction wheel through a steel belt, and the steel belt type elevator is characterized in that: the beam is also provided with two groups of steel belt movement detection devices, the two groups of steel belt movement detection devices are connected with the controller, the two groups of steel belt movement detection devices are respectively arranged on two sides of the steel belt, and the two groups of steel belt movement detection devices are contacted with the side surfaces of the steel belt; the invention prevents the traction sheave from slipping with the steel belt and ensures the use safety of the elevator.
Description
Technical Field
The invention relates to an elevator, in particular to a steel belt type elevator.
Background
Among the prior art, sedan-chair formula elevator adopts wire rope to connect counterweight, traction sheave and car in the general case, and wherein, wire rope has two kinds, and one kind adopts stranded steel wire winding to constitute a cylindricality wire rope, and another kind is stranded steel wire setting side by side, cladding polyurethane in the outside of stranded steel wire side by side, and stroke steel band, the most commonly used at present adopts cylindricality wire rope. The steel belt structure is characterized in that the steel belt is coated with polyurethane, so that the traction force between the steel belt and the traction sheave is far greater than that between the cylindrical steel wire rope and the traction sheave. Taking the counterweight on the left side of the car as an example, when the safety tongs of the car brake, a safety switch at the bottom of the safety tongs may not work or fail, so that data is not fed back into the traction machine, the traction machine is still working, all the weight of the car is on the guide rail through the safety tongs, namely, when the traction sheave drives the steel belt to rotate, the weight of the steel belt on the right side of the traction sheave is only the weight of the right side of the traction sheave, and the weight of the left side of the traction sheave is the weight of the counterweight and the steel belt, so that when the traction sheave rotates, the heavy weight causes slipping phenomenon between the traction sheave and the steel belt, thus, a great potential safety hazard exists, and the steel belt is possibly broken by the traction sheave for several seconds, so that a great potential safety hazard exists. Therefore, how to solve the above technical problems is a direction that a person skilled in the art needs to make efforts.
Disclosure of Invention
The invention aims to provide a steel belt type elevator, which improves the use safety of the elevator and prevents the slipping phenomenon between a steel belt and a traction sheave by using the structure.
In order to achieve the above purpose, the invention adopts the following technical scheme: the steel belt type elevator comprises an elevator shaft, a counterweight, a lift car, a traction machine and a controller, wherein the counterweight, the lift car, the traction machine and the controller are installed in the elevator shaft, the lift car is connected with the controller, a cross beam is arranged at the top of the elevator shaft, the traction machine is installed on the cross beam, the counterweight and the lift car are arranged on a sliding rail on the inner wall of the elevator shaft in a sliding manner, a traction wheel is rotationally arranged on the cross beam, the traction wheel is connected with an output shaft of the traction machine through a speed reducer, the counterweight bypasses the traction wheel through a steel belt and is connected with the top of the lift car, two groups of steel belt movement detection devices are further arranged on the cross beam and are connected with the controller, the two groups of steel belt movement detection devices are respectively arranged at two sides of a steel belt and are in contact with the side surfaces of the steel belt;
the steel belt movement detection device comprises a spring, a bracket, a rotating wheel and a photoelectric sensor, wherein the rotating wheel and the photoelectric sensor are arranged on the bracket, the photoelectric sensor is connected with the controller, one side of the bracket is an inner end, the other side of the bracket is an outer end, the inner end is close to the steel belt, the rotating wheel is rotatably arranged at the inner end of the bracket, the outer end of the bracket is rotatably connected with the cross beam through a rotating shaft, one end of the spring is connected with the middle part of the bottom surface of the bracket, the other end of the spring is connected with the cross beam, and the spring pulls the bracket to enable the outer edge surface of the rotating wheel to be in contact with the side wall of the steel belt;
an annular groove is formed in the front end face of the rotating wheel, the detection end of the photoelectric sensor is opposite to the annular groove, and a plurality of detection protrusions are uniformly distributed in the annular groove.
In the technical scheme, the wear-resistant rubber layer is coated on the outer edge surface of the rotating wheel.
In the above technical scheme, be equipped with a gag lever post on the crossbeam of support middle part below, the bottom of gag lever post with the crossbeam rotates and links to each other, be equipped with a spacing groove on the bottom surface of support, the runner break away from with the contact of steel band side, the tip of gag lever post can be inserted and locate in the spacing groove.
In the technical scheme, a grip is arranged in the middle of the top surface of the bracket.
In the above technical scheme, each group of the steel belt movement detection device is provided with two groups of the photoelectric sensors, the two groups of the photoelectric sensors are respectively arranged above and below the front end of the rotating wheel, and the detection ends of the photoelectric sensors are opposite to the annular groove.
In the above technical scheme, the top surface and the bottom surface of the inner end of the bracket are respectively provided with a connecting plate, a Y-shaped structure is formed between the two groups of connecting plates, the end parts of each group of connecting plates are opposite to the annular groove, and each group of photoelectric sensors are arranged at the end parts of the connecting plates.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, through the arrangement of the steel belt movement detection device, whether the steel belt moves or not can be detected, and whether the steel belt synchronously rotates or not is detected when the traction wheel rotates, so that after the phenomenon of skidding occurs between the steel belt and the traction wheel, the traction machine is stopped at the first time, the traction wheel is prevented from grinding the steel belt, the occurrence of potential safety hazards is prevented, and the use safety of an elevator is ensured;
2. according to the steel belt movement detection device, the rotating wheel and the photoelectric sensor are arranged, the outer edge surface of the rotating wheel is in contact with the surface of the steel belt, when the steel belt moves, the rotating wheel can be driven to synchronously rotate, and when the rotating wheel rotates, the detection protrusion on the surface is driven to rotate, so that the photoelectric sensor detects the rotation movement of the detection protrusion, whether the steel belt moves or not can be detected, whether the steel belt moves or not is detected, and the slipping phenomenon between the steel belt and the traction wheel is prevented.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic view showing a state structure of a group of movement detecting devices in contact with a steel strip according to a first embodiment of the present invention;
FIG. 3 is a schematic view showing a state where a group of movement detecting devices are separated from a steel strip and are not in contact with the steel strip in accordance with the first embodiment of the present invention;
FIG. 4 is a schematic view of a connection between a rotating wheel and a bracket according to a first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a connection between a runner and a bracket in accordance with a first embodiment of the present invention.
Wherein: 1. an elevator shaft; 2. a counterweight; 3. a car; 4. a traction machine; 5. a controller; 6. a cross beam; 7. traction sheave; 8. a steel strip; 9. a movement detection device; 10. a spring; 11. a bracket; 12. a rotating wheel; 13. a photoelectric sensor; 14. an annular groove; 15. detecting the bulge; 16. a limit rod; 17. a limit groove; 18. a grip; 19. a connecting plate; 20. a rotating shaft.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
embodiment one: referring to fig. 1-5, a steel belt type elevator comprises an elevator shaft 1, a counterweight 2, a car 3, a traction machine 4 and a controller 5, wherein the counterweight 2, the car 3, the traction machine 4 and the controller 5 are installed in the elevator shaft 1, the car 3 and the traction machine 4 are connected with the controller 5, a cross beam 6 is arranged at the top of the elevator shaft 1, the traction machine 4 is installed on the cross beam 6, the counterweight 2 and the car 3 are slidably arranged on a sliding rail on the inner wall of the elevator shaft, a traction wheel 7 is rotationally arranged on the cross beam 6, the traction wheel is connected with an output shaft of the traction machine through a speed reducer, the counterweight bypasses the traction wheel through a steel belt 8 and is connected with the top of the car, two groups of steel belt movement detection devices 9 are also arranged on the cross beam, the two groups of steel belt movement detection devices are respectively arranged on two sides of a steel belt and are contacted with the side surfaces of the steel belt;
the steel belt movement detection device comprises a spring 10, a bracket 11, a rotating wheel 12 and a photoelectric sensor 13, wherein the rotating wheel 12 and the photoelectric sensor 13 are arranged on the bracket 11, one side of the bracket is an inner end, the other side of the bracket is an outer end, the inner end is close to the steel belt, the rotating wheel is rotatably arranged at the inner end of the bracket, the outer end of the bracket is rotatably connected with the cross beam through a rotating shaft 20, one end of the spring is connected with the middle part of the bottom surface of the bracket, the other end of the spring is connected with the cross beam, and the spring pulls the bracket to enable the outer edge surface of the rotating wheel to be in contact with the side wall of the steel belt;
an annular groove 14 is formed in the front end face of the rotating wheel, the detection end of the photoelectric sensor is opposite to the annular groove, and a plurality of detection protrusions 15 are uniformly distributed in the annular groove.
In this embodiment, the setting of steel band removal detection device is adopted, utilize the inner orientation steel band of spring pulling support to remove, make the outer fringe face of runner support on the lateral wall of steel band, like this when the steel band removes, can drive the runner and rotate simultaneously, because photoelectric sensor and a plurality of detection protruding existence, when the runner rotates, detect protruding can rotate along with the runner together, at this in-process photoelectric sensor just can detect different detection protruding process photoelectric sensor, it is moving that the explanation steel band. If the traction wheel rotates and the steel belt does not move, namely the rotating wheel does not rotate, the controller can control the traction machine to stop immediately, so that the traction wheel and the steel belt are prevented from directly slipping to generate rigid friction, the traction wheel is prevented from breaking the steel belt to cause safety accidents, potential safety hazards are effectively reduced, and the operation safety of the elevator is guaranteed.
Wherein, the outer fringe face of runner is last to be covered with wear-resisting rubber layer. Therefore, friction force between the steel belt and the rotating wheel can be guaranteed, and the rotating wheel can also rotate along with the steel belt when the steel belt moves.
Referring to fig. 1-3, a stop lever 16 is disposed on the cross beam below the middle portion of the bracket, the bottom of the stop lever is rotatably connected with the cross beam, a stop slot 17 is disposed on the bottom surface of the bracket, the rotating wheel is separated from contact with the side surface of the steel belt, and the end portion of the stop lever can be inserted into the stop slot.
A grip 18 is provided in the middle of the top surface of the bracket.
In this embodiment, in order to be convenient for the installation and the dismantlement maintenance of steel band, through the setting of gag lever post and handle, operating personnel grasps the tongs, drives the support and rotates, overcomes the pulling force of spring, makes the runner break away from the surface of steel band, then inserts the tip of gag lever post in the spacing inslot, prevents that the spring from pulling the support and rotate, the maintenance of elevator parts such as steel band of being convenient for like this.
Referring to fig. 1 to 5, two groups of photoelectric sensors are arranged in each group of steel belt movement detection device, the two groups of photoelectric sensors are respectively arranged above and below the front end of the rotating wheel, and the detection ends of the photoelectric sensors in each group are opposite to the annular groove.
A connecting plate 19 is arranged on the top surface and the bottom surface of the inner end of the support respectively, a Y-shaped structure is formed between the two groups of connecting plates, the end parts of each group of connecting plates are opposite to the annular groove, and each group of photoelectric sensors are arranged at the end parts of the connecting plates.
Adopt the setting of two sets of photoelectric sensor, two sets of photoelectric sensor set up respectively in the both sides of runner front end, and two sets of photoelectric sensor detect more accurately, when guaranteeing that the steel band removes, the rotation of runner is detected to photoelectric sensor that can be accurate, guarantees the accuracy nature of detection.
Claims (6)
1. The utility model provides a steel band formula elevator, includes the elevator shaft, installs in the elevator shaft to heavy, car, hauler and controller, the car reaches the hauler with the controller links to each other, the top of elevator shaft is equipped with the crossbeam, the hauler install in on the crossbeam, to heavy and the car slip set up on the slide rail of elevator shaft inner wall, it is equipped with the driving sheave to rotate on the crossbeam, the driving sheave through the speed reducer with the output shaft of hauler links to each other, to heavy bypass through the steel band driving sheave with the car top links to each other, its characterized in that: the beam is also provided with two groups of steel belt movement detection devices, the two groups of steel belt movement detection devices are connected with the controller, the two groups of steel belt movement detection devices are respectively arranged on two sides of the steel belt, and the two groups of steel belt movement detection devices are contacted with the side surfaces of the steel belt;
the steel belt movement detection device comprises a spring, a bracket, a rotating wheel and a photoelectric sensor, wherein the rotating wheel and the photoelectric sensor are arranged on the bracket, the photoelectric sensor is connected with the controller, one side of the bracket is an inner end, the other side of the bracket is an outer end, the inner end is close to the steel belt, the rotating wheel is rotatably arranged at the inner end of the bracket, the outer end of the bracket is rotatably connected with the cross beam through a rotating shaft, one end of the spring is connected with the middle part of the bottom surface of the bracket, the other end of the spring is connected with the cross beam, and the spring pulls the bracket to enable the outer edge surface of the rotating wheel to be in contact with the side wall of the steel belt;
an annular groove is formed in the front end face of the rotating wheel, the detection end of the photoelectric sensor is opposite to the annular groove, and a plurality of detection protrusions are uniformly distributed in the annular groove.
2. The steel belt elevator according to claim 1, characterized in that: the outer edge surface of the rotating wheel is coated with a wear-resistant rubber layer.
3. The steel belt elevator according to claim 1, characterized in that: the steel belt limiting device is characterized in that a limiting rod is arranged on a cross beam below the middle of the support, the bottom of the limiting rod is rotationally connected with the cross beam, a limiting groove is formed in the bottom surface of the support, the rotating wheel is separated from contact with the side surface of the steel belt, and the end part of the limiting rod can be inserted into the limiting groove.
4. The steel belt elevator according to claim 1, characterized in that: a grip is arranged in the middle of the top surface of the support.
5. The steel belt elevator according to claim 1, characterized in that: two groups of photoelectric sensors are arranged in each group of steel belt movement detection device, the two groups of photoelectric sensors are respectively arranged above and below the front end of the rotating wheel, and the detection ends of the photoelectric sensors are opposite to the annular groove.
6. The steel belt elevator according to claim 5, characterized in that: a connecting plate is arranged on the top surface and the bottom surface of the inner end of the support respectively, a Y-shaped structure is formed between the two groups of connecting plates, the end parts of each group of connecting plates are opposite to the annular groove, and each group of photoelectric sensors are mounted at the end parts of the connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602284.4A CN110194404B (en) | 2019-07-05 | 2019-07-05 | Steel belt type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602284.4A CN110194404B (en) | 2019-07-05 | 2019-07-05 | Steel belt type elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110194404A CN110194404A (en) | 2019-09-03 |
| CN110194404B true CN110194404B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910602284.4A Active CN110194404B (en) | 2019-07-05 | 2019-07-05 | Steel belt type elevator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023768A (en) * | 2007-07-18 | 2009-02-05 | Mitsubishi Electric Corp | Rope slip detector of elevator |
| CN103204417A (en) * | 2012-01-12 | 2013-07-17 | 上海三菱电梯有限公司 | Wear detection device for elevator driving rope sheave and detection method |
| CN204755738U (en) * | 2015-06-26 | 2015-11-11 | 苏州莱茵电梯制造有限公司 | Prevent excursion steel band of elevator hauler and used driving sheave thereof |
| CN206486127U (en) * | 2017-01-19 | 2017-09-12 | 北京北迅电梯公司 | Elevator steel band detection means |
| CN210162984U (en) * | 2019-07-05 | 2020-03-20 | 通用电梯股份有限公司 | Steel belt type elevator |
-
2019
- 2019-07-05 CN CN201910602284.4A patent/CN110194404B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023768A (en) * | 2007-07-18 | 2009-02-05 | Mitsubishi Electric Corp | Rope slip detector of elevator |
| CN103204417A (en) * | 2012-01-12 | 2013-07-17 | 上海三菱电梯有限公司 | Wear detection device for elevator driving rope sheave and detection method |
| CN204755738U (en) * | 2015-06-26 | 2015-11-11 | 苏州莱茵电梯制造有限公司 | Prevent excursion steel band of elevator hauler and used driving sheave thereof |
| CN206486127U (en) * | 2017-01-19 | 2017-09-12 | 北京北迅电梯公司 | Elevator steel band detection means |
| CN210162984U (en) * | 2019-07-05 | 2020-03-20 | 通用电梯股份有限公司 | Steel belt type elevator |
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| Publication number | Publication date |
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| CN110194404A (en) | 2019-09-03 |
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