CN212024498U - Elevator wire rope tension detection mechanism - Google Patents
Elevator wire rope tension detection mechanism Download PDFInfo
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- CN212024498U CN212024498U CN202020424223.1U CN202020424223U CN212024498U CN 212024498 U CN212024498 U CN 212024498U CN 202020424223 U CN202020424223 U CN 202020424223U CN 212024498 U CN212024498 U CN 212024498U
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- elevator
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- wire rope
- steel wire
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Abstract
The utility model provides an elevator steel wire rope tension detection mechanism, which relates to the technical field of elevator maintenance equipment, and comprises a plurality of pinch rollers, an installation block, a vibration spring, a vibration testing mechanism and a driving mechanism, wherein the pinch rollers are in one-to-one correspondence with the steel wire ropes of an elevator; the mounting blocks correspond to the pinch rollers one by one, the mounting blocks are provided with elliptical holes, and rotating shafts of the pinch rollers are accommodated in the elliptical holes; the vibration spring is accommodated in the oval hole, one end of the vibration spring is abutted against the rotating shaft of the pressing wheel, the other end of the vibration spring is abutted against the mounting block, and the vibration spring is positioned on one side, away from the elevator steel wire rope, of the rotating shaft of the pressing wheel; the vibration testing mechanism is arranged on the mounting block and is electrically connected with a main board alarm unit of the elevator; the driving mechanism is arranged on the elevator through the frame, and the output end of the driving mechanism is connected with the mounting block; adopt actuating mechanism to regularly drive the pinch roller and compress tightly wire rope, detect the tension condition of judging wire rope through the vibration of vibration accredited testing organization to each pinch roller, realize not having the human cost and detect, and measure accurately.
Description
Technical Field
The utility model relates to an elevator dimension protects equipment technical field, particularly, relates to an elevator wire rope tension detection mechanism.
Background
With the continuous improvement of the requirements of people on the living standard of materials and the acceleration of the rhythm of human activities in modern cities, the requirements of people on elevators widely used in daily work and life are higher and higher, wherein the most notable aspect is that the elevators are required to have higher and higher safety, higher and higher speed and more comfortable riding. At the same time, this requirement is becoming more and more stringent as the height of buildings is continuously increased. The speed of elevators applied in practice has been rising continuously, however, as the speed and the lifting height of elevators are increasing continuously, the attention of the public on the safety and the comfort of the elevators is further improved relative to the three basic performances of the safety, the functionality and the comfort of the elevators. However, in some aspects, the speed and the lifting height of the elevator are contradictory to the safety and the comfort, and the contradiction is determined by the characteristics of the traction drive elevator. To solve this conflict, the dynamic performance characteristics of the elevator suspension system itself must first be understood in depth and detail.
The traction drive elevator suspension lifting system composed of main components such as a traction sheave, a steel wire rope, a car/counterweight balance system and the like is a typical flexible transmission lifting system. In such systems, the friction created by the hoisting rope winding in the traction sheave provides the direct power for the hoisting, and the movement of the car/counterweight is guided by a flexible hoisting rope (mainly wire rope). Since the hoisting rope is an elastic and elongated body and the length of the hoisting rope is larger, the hoisting rope is weaker, and therefore when the running speed of the elevator is higher and the lifting stroke is higher, even small external interference can cause the whole lifting system to generate large vibration, which is one of important reasons influencing the riding safety and comfort of passengers.
Therefore, the steel wire rope needs to be maintained regularly, the tension data of the steel wire rope is detected, and the steel wire rope is adjusted to meet the normal operation of the elevator; at present, the tension of the steel wire ropes is detected by transversely pulling down each steel wire rope by a dynamometer at the top of a car regularly and observing whether readings of the dynamometer are consistent when the steel wire ropes are pulled by the same transverse distance. This approach has several drawbacks: 1. the time problem that the tension is not uniform cannot be found in time; 2. the labor consumption is large; 3. the measurement is not accurate enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator wire rope tension detection mechanism, its combined action that adopts vibration test mechanism and actuating mechanism can realize under the prerequisite that need not to increase the human cost, and timely detection wire rope's tension transform measures accurately.
The embodiment of the utility model discloses a realize through following technical scheme:
a tension detection mechanism for elevator steel wire ropes comprises
The pressing wheels correspond to the steel wire ropes of the elevator one by one and are used for pressing the steel wire ropes;
the mounting blocks correspond to the pinch rollers one by one, elliptical holes for movably connecting the pinch rollers are formed in the mounting blocks, and rotating shafts of the pinch rollers are rotatably accommodated in the elliptical holes;
the vibration spring is accommodated in the oval hole, one end of the vibration spring is abutted against the rotating shaft of the pressing wheel, the other end of the vibration spring is abutted against the mounting block, and the vibration spring is positioned on one side, away from the elevator steel wire rope, of the rotating shaft of the pressing wheel;
the vibration testing mechanism is arranged on the mounting block and used for detecting the vibration condition of the pressing wheel, and the vibration testing mechanism is electrically connected with a main board alarm unit of the elevator and used for feeding back the vibration condition;
and the driving mechanism is arranged on the elevator through the frame, and the output end of the driving mechanism is connected with the mounting block and used for driving the pressing wheel to abut against the steel wire rope.
Furthermore, the driving mechanism comprises a swinging rod and a driving device, one end of the swinging rod is hinged to the rack, the other end of the swinging rod is connected with the mounting block, and the driving device is mounted on the rack and used for driving the swinging rod to drive the pressing wheel to swing.
Furthermore, the driving device comprises a connecting rod and an electromagnetic pull rod, one end of the connecting rod is connected to the oscillating rod, the electromagnetic pull rod is installed on the rack, and the output end of the electromagnetic pull rod is connected with the other end of the connecting rod and used for driving the oscillating rod to oscillate.
Furthermore, a buffer spring is arranged between the connecting rod and the electromagnetic pull rod.
Furthermore, the driving device further comprises a penetrating connecting rod, the penetrating connecting rod is connected with each oscillating rod respectively, and the connecting rods are connected to two ends of the penetrating connecting rod.
Furthermore, the device also comprises a return spring for separating the pressing wheel from the steel wire rope, wherein one end of the return spring is connected to the rack, and the other end of the return spring is connected to the swinging rod.
Furthermore, the swing rod is connected to the rack through a sliding block, the swing rod is hinged to the sliding block, and the sliding block is detachably connected to the rack.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the utility model relates to a rationally, simple structure adopt actuating mechanism to regularly drive the pinch roller and compress tightly wire rope, detect the tension condition of judging wire rope through the vibration of vibration accredited testing organization to each pinch roller, realize not having the human cost to detect, when detecting the problem, send the maintenance personnel again and maintain, greatly reduced the maintenance cost, and this device measures accurately.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of a detection mechanism provided in embodiment 1 of the present invention;
fig. 2 is a top view of the detection mechanism provided in embodiment 1 of the present invention;
fig. 3 is a side view of the detection mechanism provided in embodiment 1 of the present invention;
icon: 1-pinch roller, 2-mounting block, 21-elliptical hole, 3-vibration spring, 4-vibration testing mechanism, 5-driving mechanism, 51-swinging rod, 52-driving device, 521-connecting rod, 522-electromagnetic pull rod, 523-buffer spring, 524-through connecting rod, 6-frame, 7-reset spring, 8-slide block and 9-steel wire rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, 2 and 3, the present embodiment provides a tension detection mechanism for a steel wire rope of an elevator, which includes a plurality of pinch rollers 1, a mounting block 2, a vibration spring 3, a vibration testing mechanism 4 and a driving mechanism 5.
The pressing wheels 1 correspond to the steel wire ropes 9 of the elevator one by one and are used for pressing the steel wire ropes 9; it should be noted that the shape of the rope groove of the pinch roller is matched with the shape of the steel wire rope 9.
The mounting blocks 2 correspond to the pinch rollers 1 one by one, the mounting blocks 2 are provided with elliptical holes 21 for movably connecting the pinch rollers 1, and rotating shafts of the pinch rollers 1 are rotatably accommodated in the elliptical holes 21; the axis of rotation of puck 1 can rotate around its own center axis in oval hole 21, and can also move along the long axis of oval hole 21.
The vibration spring 3 is accommodated in the elliptical hole 21, one end of the vibration spring 3 is abutted against the rotating shaft of the pinch roller 1, the other end of the vibration spring 3 is abutted against the mounting block 2, and the vibration spring 3 is positioned on one side, away from the elevator steel wire rope 9, of the rotating shaft of the pinch roller 1; by adopting the design, when the pinch roller 1 compresses the steel wire rope 9, the vibration spring 3 is extended, and when the tension of the steel wire rope 9 changes, the vibration spring 3 supports the rotating shaft of the pinch roller 1 towards the direction of the steel wire rope, so that the rotating shaft vibrates.
The vibration testing mechanism 4 is arranged on the mounting block 2 and used for detecting the vibration condition of the pinch roller 1, and the vibration testing mechanism 4 is electrically connected with a main board alarm unit of the elevator and used for feeding back the vibration condition; in some embodiments, the alarm unit of the elevator main board can be transmitted to a remote data center through a network, and the remote can monitor the test reading on line and arrange the detection time according to the test result. At the same time, the elevator safety circuit can be disconnected if the amplitude exceeds a dangerous value. It should be noted that the danger value is preset according to different elevator situations.
The driving mechanism 5 is installed on the elevator through the frame 6, and the output end of the driving mechanism 5 is connected with the installation block 2 and used for driving the pressing wheel 1 to abut against the steel wire rope 9.
Optionally, the driving mechanism 5 includes a swing rod 51 and a driving device 52, one end of the swing rod 51 is hinged to the frame 6, the other end of the swing rod 51 is connected to the mounting block 2, the driving device 52 is mounted to the frame 6 and used for driving the swing rod 51 to drive the pressing wheel 1 to swing, in some embodiments, the driving mechanism 5 can directly select linear output mechanisms such as an air cylinder, the output end of the linear output mechanism is connected to the mounting block 2, the pressing wheel 1 can be directly moved towards the direction of the steel wire rope 9, and the pressing on the steel wire rope 9 is realized.
In this embodiment, the driving device 52 includes a connecting rod 521 and an electromagnetic pull rod 522, one end of the connecting rod 521 is connected to the swing rod 51, the electromagnetic pull rod 522 is installed on the rack 6, and an output end of the electromagnetic pull rod 522 is connected to the other end of the connecting rod 521 to drive the swing rod 51 to swing.
In order to avoid the damage of the electromagnetic pull rod 522 caused by the acting force, in the present embodiment, a buffer spring 523 is disposed between the link 521 and the electromagnetic pull rod 522.
In order to reduce the usage of the electromagnetic pull rod 522, in this embodiment, the driving device 52 further includes through links 524, the through links 524 are respectively connected to the swing rods 51, and the links 521 are connected to two ends of the through links 524.
In order to realize that the pinch roller 1 automatically leaves the steel wire rope 9 after the detection is completed, in this embodiment, the device further comprises a return spring 7 for making the pinch roller 1 separate from the steel wire rope 9, one end of the return spring 7 is connected to the frame 6, and the other end of the return spring 7 is connected to the swing rod 51.
In actual use, the initial position of the pinch roller 1 often needs to be adjusted to adapt to different use scenes, and for this reason, in the embodiment, the swing rod 51 is connected to the frame 6 through the sliding block 8, the swing rod 51 is hinged to the sliding block 8, and the sliding block 8 is detachably connected to the frame 6.
The principle that this device realized: the device is arranged at a steel wire rope 9 on the top of an elevator car, a power supply of an electromagnetic pull rod 522 can be switched on at regular time, the electromagnetic pull rod 522 drives a swing rod 51, a pressing wheel 1 is pressed on a traction steel wire rope 9, a rope groove of the pressing wheel 1 is matched with the shape of the steel wire rope 9, a vibration testing mechanism 4 can read the vibration value of the steel wire rope 9 in the motion process, a testing result is transmitted to an elevator mainboard alarm unit and transmitted to a remote data center through a network, the testing reading can be monitored on line remotely, maintenance personnel can be arranged according to the testing result as required for maintenance, in addition, a vibration danger value can be set, and if the amplitude exceeds the danger value, an elevator safety loop can be switched off. The position of the pinch roller 1 can be adjusted through the slide block 8.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an elevator wire rope tension detection mechanism which characterized in that: comprises that
The pressing wheels (1) correspond to the steel wire ropes (9) of the elevator one by one and are used for pressing the steel wire ropes (9);
the mounting blocks (2) correspond to the pinch rollers (1) one by one, elliptical holes (21) used for being movably connected with the pinch rollers (1) are formed in the mounting blocks (2), and rotating shafts of the pinch rollers (1) are rotatably accommodated in the elliptical holes (21);
the vibration spring (3) is accommodated in the elliptical hole (21), one end of the vibration spring (3) is abutted against the rotating shaft of the pinch roller (1), the other end of the vibration spring (3) is abutted against the mounting block (2), and the vibration spring (3) is positioned on one side, away from the elevator steel wire rope (9), of the rotating shaft of the pinch roller (1);
the vibration testing mechanism (4) is mounted on the mounting block (2) and used for detecting the vibration condition of the pinch roller (1), and the vibration testing mechanism (4) is electrically connected with a main board alarm unit of the elevator and used for feeding back the vibration condition;
the driving mechanism (5) is installed on the elevator through the rack (6), and the output end of the driving mechanism (5) is connected with the installation block (2) and used for driving the pressing wheel (1) to abut against the steel wire rope (9).
2. The elevator rope tension detecting mechanism according to claim 1, wherein: the driving mechanism (5) comprises a swinging rod (51) and a driving device (52), one end of the swinging rod (51) is hinged to the rack (6), the other end of the swinging rod (51) is connected with the mounting block (2), and the driving device (52) is mounted on the rack (6) and used for driving the swinging rod (51) to drive the pinch roller (1) to swing.
3. The elevator rope tension detecting mechanism according to claim 2, wherein: the driving device (52) comprises a connecting rod (521) and an electromagnetic pull rod (522), one end of the connecting rod (521) is connected to the swing rod (51), the electromagnetic pull rod (522) is installed on the rack (6), and the output end of the electromagnetic pull rod (522) is connected with the other end of the connecting rod (521) and used for driving the swing rod (51) to swing.
4. The elevator rope tension detecting mechanism according to claim 3, wherein: a buffer spring (523) is arranged between the connecting rod (521) and the electromagnetic pull rod (522).
5. The elevator rope tension detecting mechanism according to claim 3, wherein: the driving device (52) further comprises a penetrating connecting rod (524), the penetrating connecting rod (524) is respectively connected with the swinging rods (51), and the connecting rod (521) is connected to two ends of the penetrating connecting rod (524).
6. The elevator rope tension detecting mechanism according to claim 2, wherein: the device is characterized by further comprising a return spring (7) used for enabling the pressing wheel (1) to be separated from the steel wire rope (9), wherein one end of the return spring (7) is connected to the rack (6), and the other end of the return spring (7) is connected to the swinging rod (51).
7. The elevator rope tension detecting mechanism according to claim 2, wherein: the swing rod (51) is connected to the rack (6) through a sliding block (8), the swing rod (51) is hinged to the sliding block (8), and the sliding block (8) is detachably connected to the rack (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020424223.1U CN212024498U (en) | 2020-03-27 | 2020-03-27 | Elevator wire rope tension detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020424223.1U CN212024498U (en) | 2020-03-27 | 2020-03-27 | Elevator wire rope tension detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212024498U true CN212024498U (en) | 2020-11-27 |
Family
ID=73488530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020424223.1U Expired - Fee Related CN212024498U (en) | 2020-03-27 | 2020-03-27 | Elevator wire rope tension detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212024498U (en) |
-
2020
- 2020-03-27 CN CN202020424223.1U patent/CN212024498U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |