CN210710215U - Steel wire rope groove-dropping prevention device of elevator speed limiter and elevator speed limiter - Google Patents
Steel wire rope groove-dropping prevention device of elevator speed limiter and elevator speed limiter Download PDFInfo
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- CN210710215U CN210710215U CN201921626044.XU CN201921626044U CN210710215U CN 210710215 U CN210710215 U CN 210710215U CN 201921626044 U CN201921626044 U CN 201921626044U CN 210710215 U CN210710215 U CN 210710215U
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- rope
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- wire rope
- steel wire
- sheave
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Abstract
The utility model provides a wire rope anticreep groove device (4) to and have elevator overspeed governor (10) of this wire rope anticreep groove device (4). The rope groove stopper (4) is fixedly attached to a base (2), a sheave (1) in which a rope (5) is wound in a rope groove (6) is rotatably attached to the base (2), and the rope groove stopper (4) is configured such that a part thereof blocks the outer peripheral surface of the sheave (1) to prevent the rope (5) from coming out of the rope groove (6) of the sheave (1).
Description
Technical Field
The utility model relates to a wire rope anticreep groove device of elevator overspeed governor and possess this wire rope anticreep groove device's elevator overspeed governor.
Background
With the rapid development of high-rise buildings, elevators are widely used as vehicles in the buildings. According to the information display provided by the Chinese elevator association, the total quantity of the used elevators in the country exceeds 100 thousands as of years as 2011, and the elevator system becomes the country with the largest total quantity of the elevators in the world. Elevators have become an indispensable part of people's daily lives as vehicles. Such a large number of elevators can be a troublesome task in case of problems in operation of an extremely small part of them. How to reduce the probability of the problems of the elevator to the minimum and quickly solve the problems becomes a new demand of people for the elevator.
During the operation of the elevator, the car is overspeed and falls due to control failure, traction force insufficiency, brake failure or braking force insufficiency, overload dragging, traction rope breakage and the like, so that reliable protection measures must be taken.
The speed limiter is one of the protection measures, and is a device for limiting the running speed of the elevator, which is generally arranged in a machine room, monitors and controls the speed of a car at any time, and can send out a signal in time when overspeed occurs, namely the speed exceeds 115 percent of the rated speed of the elevator generally, and then mechanical action is generated to cut off a power supply circuit, so that a traction machine brakes. The two ends of the speed limiter rope are connected with a safety tongs connecting rod on the car frame through a speed limiter rope pulley and a tensioning wheel, so that the running speed of the car is transmitted to the speed limiter rope pulley through a speed limiter steel wire rope. When the elevator exceeds the speed and reaches a limit value, the speed limiter acts to brake the speed limiter steel wire rope, then the speed limiter steel wire rope operates the safety gear connecting rod along with the downward movement of the car, and the safety gear is clamped on the guide rail to brake the car.
Such governor devices are typically located in the uppermost machine room of the hoistway. The following notes exist in the using process: 1) the action direction of the speed limiter is consistent with the descending direction of the lift car, so that the safety tongs are ensured to function; 2) the steel wire rope of the speed limiter cannot be in friction or contact with the rope clamp in the normal operation process; 3) the steel wire rope of the speed limiter cannot be bent, and the rope end is reliably fastened by a rope clamp.
That is, the normal position of the wire rope during operation plays a critical role in the normal operation of the governor. However, since the wire rope is wound around the governor sheave, there is a risk that the wire rope is separated from the sheave.
In the prior art, in order to prevent the separation, although a groove is formed in the outer circumference of the sheave around which the wire rope is wound, the separation of the wire rope cannot be completely avoided even in this case, which causes a great safety hazard to the operation of the elevator.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at obtaining the risk of having eliminated wire rope's anticreep groove, overspeed governor inefficacy exactly, improved the wire rope anticreep groove device and the elevator overspeed governor of whole reliability.
In order to solve the problem the utility model relates to a wire rope anticreep groove device, its characterized in that, this wire rope anticreep groove device by fixed mounting in the base, install the rope sheave that has wire rope coiled in the grooving freely rotating on this base, this wire rope anticreep groove device is become its part and shelters from the structure of the outer peripheral face of rope sheave, in order to prevent wire rope follow the grooving of rope sheave is deviate from.
Through the steel wire rope groove-disengaging prevention device with the structure, the steel wire rope is difficult to disengage from the rope groove, so that the reliability of the elevator speed limiter is ensured, and the safety of an elevator system is improved.
Wire rope anticreep groove device, a serial communication port, wire rope anticreep groove device is provided with two corresponding to wire rope's entering groove department and play groove department, entering groove department does wire rope gets into the position in rope groove, it does to go out groove department wire rope follows the position that the rope groove came out.
Through the steel wire rope anticreep groove device with the structure, the anticreep groove function can be reliably realized through a small number of anticreep groove devices, and the installation operation is simplified.
Wire rope anticreep groove device, a serial communication port, wire rope anticreep groove device with clearance between the outermost surface of the peripheral part of rope sheave is below 2 mm.
Through the steel wire rope anticreep groove device of above-mentioned structure, can make anticreep groove effect more firm, further improve the security.
Wire rope anticreep groove device, a serial communication port, wire rope anticreep groove device and outer week clearance between the wire rope surface is below 3 mm.
Through the steel wire rope anticreep groove device of above-mentioned structure, can make anticreep groove effect more firm, further improve the security.
Wire rope anticreep groove device, a serial communication port, wire rope anticreep groove device is set up on the flange that sets up on the base.
Through the steel wire rope anticreep groove device of the structure, the installation of the anticreep groove device is easier, the installation position is predetermined, the field operation and processing are more convenient, and the working efficiency of the field processing is improved.
Wire rope anticreep groove device, a serial communication port, wire rope anticreep groove device is formed into the cross-section L type, is fixed through fixed establishment on one side of L type on the base.
The steel wire rope groove-falling prevention device with the structure can be a groove-falling prevention device which is simple in structure and easy to install, simplifies the manufacturing process, reduces the manufacturing cost, and can be simply and cheaply formed.
Elevator overspeed governor, be arranged in the elevator, its characterized in that possesses: a base; a governor sheave rotatably mounted on the base; an action switch of the speed limiter; a wire rope wound in a rope groove of the speed governor rope pulley; and the steel wire rope groove-falling-preventing device is arranged on the base.
Through the elevator speed limiter with the structure, the steel wire rope is difficult to separate from the rope groove, so that the reliability of the elevator speed limiter is ensured, and the safety of an elevator system is improved.
Utility model's effect: if adopt the utility model discloses, eliminated wire rope and taken off the risk of groove, overspeed governor inefficacy to improve the overall reliability of elevator overspeed governor, the overall security of elevator system can improve.
Drawings
Fig. 1 is a perspective view of an elevator governor equipped with a wire rope anticreep groove device of the present invention;
fig. 2 is a partially enlarged perspective view of the steel wire rope groove-dropping prevention device of the present invention;
fig. 3 is a perspective view of a prior art elevator governor.
Description of the figures
10. An elevator governor; 1. a governor sheave; 2. a base; 3. an action switch; 4. a steel wire rope groove-falling prevention device; 5. a wire rope; 6. rope grooves.
Detailed Description
The following describes a specific embodiment of the present invention with reference to fig. 1 to 3. Fig. 1 is a perspective view of an elevator governor equipped with a wire rope anticreep groove device of the present invention; fig. 2 is a partially enlarged perspective view of the steel wire rope groove-dropping prevention device of the present invention; fig. 3 is a perspective view of a prior art elevator governor.
In a hoistway of a building, a car is suspended by a main rope. The main rope is wound around a hoist provided in a machine room at the uppermost portion of the hoistway. By driving the hoist, the cage is lifted and lowered along the guide rail.
A governor device 10 is provided in the machine room at the uppermost portion of the hoistway. As shown in fig. 3 in the specification, a conventional governor device 10 includes: a base 2, a governor sheave 1 rotatably attached to the base 2, a governor operating switch 3, and a wire rope 5 wound around the governor sheave 1.
The base 2 is fixedly attached to a load beam in the machine room, and is generally made of a metal material for attaching and fixing each component of the governor device 10.
The governor sheave 1 is a main part constituting the governor, and a clasping mechanism is attached to the governor sheave, and a rope groove 6 is provided in the outer peripheral surface of the governor sheave so as to be recessed in the middle, and a wire rope 5 is wound around the rope groove 6.
The action switch 3 of the speed governor is triggered when the rotating speed of the speed governor sheave 1 exceeds a set speed, so that an elevator safety circuit is disconnected, and the function of limiting the running speed of the elevator by the speed governor is realized.
In the governor device 10 having the above-described configuration, the wire rope 5 is wound in the rope groove 6 of the governor sheave, but the wire rope may be separated from the rope groove 6, which may cause a risk of failure of the governor.
To prevent this dangerous situation, the inventor has adjusted the governor base structure. As shown in the attached fig. 1, on the basis of the existing base 2, holes are formed in the portions of the base 2 near the groove-in portion and the groove-out portion of the wire rope 5, and the wire rope groove-escape preventing device 4 having the same holes is fixed to the base 2 by a fixing mechanism such as a bolt.
The detailed structure of the steel wire rope groove-preventing device 4 is shown in the attached figure 2 of the specification, and fig. 2 is a partially enlarged perspective view of the steel wire rope groove-preventing device 4 of the present invention. In fig. 2, two rope run-out preventing devices 4 attached to the left and right sides of a governor device 10 of the related art above a base 2 at positions close to a run-in position and a run-out position of a rope 5 are added.
The inventor finds that the groove-releasing accidents are most likely to happen when the steel wire rope 5 enters the groove of the rope groove 6 and exits from the groove 6, so that the steel wire rope groove-releasing prevention device 4 is arranged on the base close to the two positions, and the effect of preventing the steel wire rope 5 from releasing from the groove can be stably ensured at the groove-entering position and the groove-exiting position of the steel wire rope 5 of the speed limiter.
The utility model discloses in, this wire rope anticreep groove device 4 comprises the sheet metal of cross-section by punching press "L" type, and one side of "L" type is fixed on base 2 through thread tightening etc. and the another side of "L" type parallels with the outer peripheral face of rope sheave 1, and is level and, its width is formed into the width that can cover above the anticreep groove completely.
However, the wire rope run-out preventing device 4 is not limited to two wire rope run-out preventing devices 4, and may be provided in one or more number, and the position thereof is not limited to the run-in position and the run-out position.
Further, as shown in fig. 2 of the specification, the inventors have repeatedly studied and found that, in consideration of the wire rope diameter and the like, if the clearance α between the other side of the "L" shape of the wire rope slipping prevention device 4 and the outermost surface of the outer peripheral portion of the sheave 1 is 2mm or less and the clearance β between the other side of the "L" shape and the outer surface of the wire rope 5 in the outermost periphery is 3mm or less, the slipping prevention effect is best and the wire rope slipping prevention effect can be most effectively achieved.
Further, although the flange 7 for attaching the rope run-out preventing device 4 may be provided exclusively on the frame of the base 2 for the convenience of attaching the rope run-out preventing device 4, the speed governor in the conventional elevator apparatus can be easily modified by directly drilling and attaching the rope run-out preventing device to the frame of the conventional base 2 without providing the flange 7.
In the above-described embodiment, the example in which the rope groove preventing device 4 is applied to the speed governor of the elevator has been described, but the groove preventing device may be applied to other configurations having sheaves.
Although the embodiments of the present invention have been described above, the embodiments are merely provided as examples, and are not intended to limit the scope of the present invention. These new embodiments may be implemented in other various ways, and various omissions, substitutions, and changes may be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalent scope thereof.
Claims (9)
1. A steel wire rope groove-shedding preventing device (4) is characterized in that,
the rope groove stopper (4) is fixedly attached to a base (2), a sheave (1) in which a rope (5) is wound in a rope groove (6) is rotatably attached to the base (2), and the rope groove stopper (4) is configured such that a part thereof blocks the outer peripheral surface of the sheave (1) to prevent the rope (5) from coming out of the rope groove (6) of the sheave (1).
2. A steel rope run-off preventer (4) according to claim 1,
the two steel wire rope groove-falling prevention devices (4) are arranged corresponding to the groove-entering position and the groove-exiting position of the steel wire rope (5), the groove-entering position is the position where the steel wire rope (5) enters the rope groove (6), and the groove-exiting position is the position where the steel wire rope (5) exits from the rope groove (6).
3. A steel rope run-off preventer (4) according to claim 1,
the clearance between the outer peripheral outermost surface of the rope sheave (1) and the rope groove-escape preventing device (4) is 2mm or less.
4. A steel rope run-off preventer (4) according to claim 2,
the clearance between the outer peripheral outermost surface of the rope sheave (1) and the rope groove-escape preventing device (4) is 2mm or less.
5. A steel rope run-off preventer (4) according to claim 3,
the clearance between the steel wire rope groove-shedding preventing device (4) and the outer surface of the outermost steel wire rope (5) is less than 3 mm.
6. A steel rope run-off preventer (4) according to claim 4,
the clearance between the steel wire rope groove-shedding preventing device (4) and the outer surface of the outermost steel wire rope (5) is less than 3 mm.
7. A steel wire rope run-off preventing device (4) according to any one of claims 1 to 6,
the steel wire rope groove-falling-preventing device (4) is arranged on a flange (7) arranged on the base (2).
8. A steel wire rope run-off preventing device (4) according to any one of claims 1 to 6,
the steel wire rope groove-falling-preventing device (4) is formed into an L-shaped section, and one side of the L-shaped section is fixed on the base (2) through a fixing mechanism.
9. An elevator speed governor (10) used in an elevator, comprising:
a base (2);
a governor sheave (1) rotatably mounted on the base (2);
an operation switch (3) of the speed governor;
a wire rope (5) wound in a rope groove (6) of the governor sheave (1); and
a steel wire rope anticreep groove device (4) of any one of claim 1 ~ 8 installed on the base (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626044.XU CN210710215U (en) | 2019-09-27 | 2019-09-27 | Steel wire rope groove-dropping prevention device of elevator speed limiter and elevator speed limiter |
| SG10202005035VA SG10202005035VA (en) | 2019-09-27 | 2020-05-28 | Steel cable anti-stripping device for elevator speed limiter and elevator speed limiter having such device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626044.XU CN210710215U (en) | 2019-09-27 | 2019-09-27 | Steel wire rope groove-dropping prevention device of elevator speed limiter and elevator speed limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210710215U true CN210710215U (en) | 2020-06-09 |
Family
ID=70963556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921626044.XU Active CN210710215U (en) | 2019-09-27 | 2019-09-27 | Steel wire rope groove-dropping prevention device of elevator speed limiter and elevator speed limiter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210710215U (en) |
| SG (1) | SG10202005035VA (en) |
-
2019
- 2019-09-27 CN CN201921626044.XU patent/CN210710215U/en active Active
-
2020
- 2020-05-28 SG SG10202005035VA patent/SG10202005035VA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SG10202005035VA (en) | 2021-04-29 |
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