CN114812900A - Hoisting rope torsion measuring device, system and adjusting method thereof - Google Patents
Hoisting rope torsion measuring device, system and adjusting method thereof Download PDFInfo
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- CN114812900A CN114812900A CN202210393496.8A CN202210393496A CN114812900A CN 114812900 A CN114812900 A CN 114812900A CN 202210393496 A CN202210393496 A CN 202210393496A CN 114812900 A CN114812900 A CN 114812900A
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- 230000004048 modification Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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Abstract
The invention belongs to the technical field of elevator equipment, and provides a device and a system for measuring torsion of a hoisting rope and an adjusting method thereof. The torsion sensors are respectively arranged at the two ends of each hoisting rope of the elevator to measure the torsion value, the torsion sensor at the same end is connected into the same data acquisition controller, two data acquisition controllers are arranged at the two ends of each hoisting rope, and each data acquisition controller transmits signals to the central processing controller in an electric connection mode; and after receiving the signals, the central processing controller displays the torque force values at the two ends of each hauling rope. When the elevator runs, the central processing controller records the change condition of the torsion of the two ends of each hauling rope in the running process of the elevator, and the change condition of the torsion of the two ends of each hauling rope in the running process of the elevator is analyzed, so that whether the torsion of the hauling rope needs to be adjusted or not and the strategy of adjustment are accurately judged, and the torsion of the hauling rope is prevented from being adjusted by mistake or over.
Description
Technical Field
The invention belongs to the technical field of elevator equipment, and particularly relates to a device and a system for measuring torsion of a hoisting rope and an adjusting method thereof.
Background
In the manufacturing, packaging and installing processes of the elevator hoisting rope, the hoisting rope is twisted, so that the hoisting rope generates torsion. In the running process of the elevator, the hoisting ropes with torsion continuously perform the processes of screwing and loosening due to the relative rolling of the rope pulley and the hoisting ropes. When the tightening reaches the limit, the hoisting rope slips in the rope groove of the rope sheave, thereby releasing and diverting the tightening. The tightening, loosening and sliding of the different positions of the hauling rope not only affect the running stability and riding comfort of the elevator, but also aggravate the abrasion of the hauling rope and the rope wheel and reduce the service life of the hauling rope and the rope wheel.
In the prior art, the rope end of the hoist rope can be conveniently rotated through a mechanical structure, so that the torsion of the hoist rope is released. However, the release is performed by visual observation based on experience and feeling, and under the condition that the torsion and the change of the hoisting rope at different positions of the elevator are not accurately grasped, the release has the possibility of misadjustment or over-adjustment, and the damage of parts is increased instead.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a device and a system for measuring a torsion of a hoist rope and an adjusting method thereof, so as to achieve a targeted torsion adjustment of the hoist rope and avoid a situation of misadjustment or over-adjustment of the torsion of the hoist rope.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a hoisting rope torsion measuring device comprises a first supporting sleeve, a second supporting sleeve and a fastening assembly, wherein the first supporting sleeve is used for contacting a torsion source;
the first supporting sleeve is arranged in a hollow mode to form a first containing space, and at least one side face of the first supporting sleeve is provided with a first through hole;
the second support sleeve comprises a first flat plate and a second flat plate which are oppositely arranged, a second accommodating space is formed between the first flat plate and the second flat plate, and a torsion sensor is arranged in the second accommodating space; the first flat plate and the second flat plate are provided with corresponding second through holes;
the fastening assembly comprises a bolt piece and a nut piece, and the bolt piece penetrates through the first supporting sleeve and the second supporting sleeve in sequence and then is connected with the nut piece.
Preferably, the torsion sensor is strung on the bolt member.
Preferably, a mounting hole is transversely formed in one end, into which the nut member is screwed, of the bolt member, and a cotter pin is inserted into the mounting hole.
A hoisting rope torsion measuring system comprises a rope head fixing component and the hoisting rope torsion measuring device;
the rope head fixing assembly comprises a mounting plate, a bolt piece penetrating through the mounting plate and a spring piece stringed on the bolt piece, and the first supporting sleeve is in abutting contact with the spring piece and is positioned at one end of the spring piece, which is far away from the mounting plate;
the torque sensor is electrically connected with a data acquisition controller, and the data acquisition controller is electrically connected with a central processing controller.
Preferably, the mounting plate is horizontally arranged, and the bottom end of the bolt piece arranged on the mounting plate is connected with the rope head of the hoisting rope;
the spring part sets up the top of mounting panel, the top of spring part is provided with the third flat board, bolt spare passes be provided with a plurality of fixation nut behind the third flat board, first accommodation space highly be greater than a plurality of fixation nut's height.
Preferably, a side surface of the first receiving space is provided with a viewing hole.
A torsion force adjusting method of a hoisting rope comprises the following steps:
s10, constructing the traction rope torsion measuring system;
s20, adjusting the relative positions of the first support sleeve and the second support sleeve on the bolt piece, so that the first support sleeve is used for pressing the spring piece to completely bear the torsion force from the traction rope, and the second support sleeve is used for pressing the first support sleeve to perform induction measurement on the torsion force;
s30, operating the elevator to obtain a torque force measured value of the hoisting rope through the data acquisition controller, and recording and displaying the torque force value and the torque force change condition of the hoisting rope through the central processing controller;
and S40, carrying out torsion adjustment operation corresponding to the hoisting rope by a worker according to the display information of the central processing controller.
Furthermore, the hoisting rope torsion measuring systems are arranged on the hoisting ropes corresponding to the car side and the counterweight side in a one-to-one correspondence mode.
Further, the display information of the central processing controller comprises an instantaneous torque value, a torque direction and a torque change relation graph.
Furthermore, the arrangement directions of the plurality of torque sensors are consistent.
Compared with the prior art, the invention has the beneficial effects that:
the torsion force measuring device, the torsion force measuring system and the torsion force adjusting method for the hoisting ropes can measure the torsion force of the end part of each hoisting rope in the whole running process of an elevator, and can accurately judge whether the corresponding hoisting rope needs torsion force adjustment and adjusting strategies by analyzing the torsion force parameters and the change conditions of the end part of each hoisting rope in the whole running process of the elevator, so that the torsion force adjustment of the hoisting rope can be more timely and effective, meanwhile, the condition that the torsion force of the hoisting rope is adjusted by mistake or over can be effectively avoided, and the running stability of the elevator and the service life of related parts are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural view of a hoist rope torsion measuring apparatus according to the present invention.
Fig. 2 is a schematic structural view of a system for measuring a torsion of a hoist rope according to the present invention.
FIG. 3 is a table of instantaneous torque data during torque measurement according to the present invention.
FIG. 4 is a graph showing the relationship between the lifting H-torque F when the rope end of the car side has no torque or very small torque.
Fig. 5 is a graph showing the relationship of the lifting H-torque F when there is no torque or little torque on the heavy-side rope end according to the present invention.
Fig. 6 is a graph showing the relationship of the increase H-torque F when the car-side rope end of the present invention has a torque but does not slip.
Fig. 7 is a relationship diagram of the increase H-torque F when the counterweight-side rope end has torque but does not slip according to the present invention.
Fig. 8 is a graph showing the relationship of the hoisting height H-torque F when the rope end of the car side of the present invention slips.
Fig. 9 is a relationship diagram of the lifting height H-torque F when the rope end on the counterweight side slips.
Wherein:
1-a first support sleeve, 11-an observation hole;
2-a second support sleeve, 21-a first plate, 22-a second plate;
3-fastening assembly, 31-bolt piece, 311-cotter pin, 32-nut piece;
4-torque sensor, 41-data acquisition controller, 42-central processing controller;
5-a hoisting rope, 51-a rope end fixing component, 511-a mounting plate, 512-a spring component, 513-a third plate and 514-a fixing nut.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be made with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 9, the present embodiment provides a hoisting rope torsion measuring apparatus, which mainly includes a first supporting sleeve 1, a second supporting sleeve 2 and a fastening assembly 3. When the device is in use, the bottom end of the first supporting sleeve 1 is used for contacting with a torque force source so as to transmit a torque force generation state; the bottom end of the second supporting sleeve 2 is contacted with the top end of the first supporting sleeve 1, wherein a torsion sensor 4 is arranged on the second supporting sleeve 2 and used for detecting torsion data; the first supporting sleeve 1 and the second supporting sleeve 2 are installed and fixed through the fastening component 3.
Specifically, in this embodiment, the first supporting sleeve 1 is hollow to form a first accommodating space, and at least one side surface of the first supporting sleeve 1 is provided with a first through hole.
As a preferred scheme, the cross section of the first supporting sleeve 1 in this embodiment is U-shaped, for example, it can be made of U-shaped channel steel, and when in use, the U-shaped opening is set downward, and at this time, the first through hole is set on the U-shaped bottom wall, so as to be convenient for being installed and used in cooperation with the rope end fixing component 51 of the hoisting rope 5, and the specific structural form of the rope end fixing component 51 may refer to the prior art, which is not described herein again. In this embodiment, the shape of the first supporting sleeve 1 is preferably configured to match the shape of the torque sensor 4.
In addition, the second support sleeve 2 includes a first plate 21 and a second plate 22 disposed opposite to each other, a second accommodation space is formed between the first plate 21 and the second plate 22, and the torsion sensor 4 is disposed in the second accommodation space.
The fastening assembly 3 includes a bolt member 31 and a nut member 32, and the bolt member 31 is sequentially inserted into the first support sleeve 1 and the second support sleeve 2 and then connected to the nut member 32.
Further, in this embodiment, corresponding second through holes are provided on the first flat plate 21 and the second flat plate 22, and the corresponding second through holes and the corresponding first through holes are coaxially arranged, so as to facilitate the penetration of the bolt piece 31. Preferably, in the present embodiment, the torque sensor 4 is arranged on the bolt member 31 in series and coaxially with the axis of the bolt member 31, so as to improve the detection accuracy of the torque data.
Further, a mounting hole is provided transversely at an end of the bolt member 31 into which the nut member 32 is screwed, and a cotter pin 311 is inserted into the mounting hole. The cotter pin 311 can effectively prevent the first support sleeve 1, the second support sleeve 2 and the nut member 32 from accidentally falling off the bolt member 31 under the action of torsion, so that the whole hoisting rope torsion measuring device is safer and more reliable.
In order to facilitate understanding of the present solution, as shown in fig. 2, in the present embodiment, a hoisting rope torsion measuring system is provided, which includes the rope fastening assembly 51 and a hoisting rope torsion measuring device as described above.
Specifically, the string end fixing assembly 51 mainly includes a mounting plate 511, the bolt 31 penetrating through the mounting plate 511, and a spring element 512 strung on the bolt 31, where specific mounting and connecting manners of the mounting plate 511, the bolt 31, and the spring element 512 can be referred to in the prior art, and are not described herein again. The bottom end of the first supporting sleeve 1 is abutted against the top end of the spring element 512, and is located at one end of the spring element 512 far away from the mounting plate 511, so that the torsion force from the end of the hoisting rope 5 can be effectively borne and transmitted to the second supporting sleeve 2.
The torque sensor 4 is electrically connected with a data acquisition controller 41, and the data acquisition controller 41 is electrically connected with a central processing controller 42. In this embodiment, as a preferred scheme, the electrical connection may be implemented by using a wire or the like to connect signals in a wired manner, or may also be implemented by using a wireless signal in a wireless manner such as WIFI or bluetooth, and the specific implementation manner may refer to the prior art, which is not described herein again.
Preferably, the mounting plate 511 is horizontally disposed, and the bottom end of the bolt member 31 disposed on the mounting plate 511 is connected to the rope end of the hoisting rope 5; in this embodiment, the mounting plates 511 are disposed at the car-side rope end and the counterweight-side rope end, a plurality of through holes for the bolt members 31 to pass through are disposed on the mounting plates 511, and the bolt members 31 corresponding to each hoist rope 5 are disposed, so that the control and adjustment of the single hoist rope 5 are facilitated.
The spring element 512 is disposed above the mounting plate 511; preferably, a third plate 513 is disposed at the top end of the spring element 512, and a plurality of fixing nuts 514 are disposed after the bolt element 31 passes through the third plate 513. The third plate 513 is provided to facilitate the press-fitting of the spring element 512 by a plurality of the fixing nuts 514 in normal use; secondly, the contact area between the bottom end of the first support sleeve 1 and the spring element 512 can be effectively increased, so that the transmission accuracy of the torque force can be effectively improved.
In addition, in this embodiment, the height of the first accommodating space is set to be greater than the stacking height of the plurality of fixing nuts 514, and an observation hole 11 is provided on a side surface of the first accommodating space. When in use, the hoisting rope torsion measuring device provided by the scheme can be directly added on the rope end fixing component 51, and at the moment, the bolt piece 31 can be used as well without excessive dismounting operation. By adjusting the nut member 32 to continuously press down the second supporting sleeve 2, the first supporting sleeve 1 and the spring member 512, the fixing nut 514 is separated from the third plate 513, and is completely contacted by the first supporting sleeve 1 and the third plate 513, so that the torsion of the hauling rope 5 can be completely borne, and more accurate data measurement operation can be performed. At this time, the contact and separation between the fixing nut 514 and the third flat plate 513 can be confirmed through the observation hole 11.
In order to facilitate further understanding of the present solution, the present embodiment further provides a method for adjusting the torsion of the hoisting rope, which mainly includes the following steps:
s10, constructing the traction rope torsion measuring system; the hoisting rope torsion measuring systems are arranged on the hoisting ropes 5 corresponding to the car side and the hoisting ropes 5 corresponding to the counterweight side in a one-to-one correspondence mode. So that the hoisting rope torsion measuring device described above is provided for each of the hoisting ropes 5 on the rope fastening assemblies 51 at the car-side rope end and the counterweight-side rope end, so as to achieve measurement of the torsion of each hoisting rope 5. In this embodiment, it is preferable that the arrangement directions of the plurality of torque sensors 4 are all set to be the same, so as to define the direction in which the torque force occurs.
S20, adjusting the relative positions of the first supporting sleeve 1 and the second supporting sleeve 2 on the bolt piece 31, so that the first supporting sleeve 1 presses the spring piece 512 to completely bear the torsion force from the hoisting rope 5, and the second supporting sleeve 2 presses the first supporting sleeve 1 to perform induction measurement on the torsion force; at this time, the data collecting controller 41 is provided at the car-side rope end and the counterweight-side rope end, respectively, to individually measure the torsion of the rope ends of both ends of the hoist rope 5.
S30, operating the elevator to obtain a torque force measured value of the hoisting rope 5 through the data acquisition controller 41, and recording and displaying the torque force value and the torque force change condition of the hoisting rope 5 through the central processing controller 42; further, the display information of the central processing controller 42 includes the instantaneous torque value, the direction of the torque and the torque variation relationship chart.
And S40, the worker adjusts the torsion of the corresponding hoisting rope 5 according to the display information of the central processing controller 42.
When the central processing controller 42 receives the signals transmitted from the data acquisition controller 41 at the car side rope end and the counterweight side rope end, the torque values at the two ends of each hoist rope 5 are displayed on the screen, and at this time, the positive or negative of the torque values reflect the different directions of the torque of the hoist ropes 5.
As one of the measuring and adjusting examples, the central processing controller 42 simultaneously records the torsion and the variation of each/each group of the torsion sensor 4 at the rope ends of the two ends of the elevator hoist rope 5 and records the corresponding instantaneous torsion data, as shown in fig. 3, when the elevator is operated in the whole course from the bottom layer → the top layer → the bottom layer.
At this time, a relationship diagram of the lifting height H-torque force F corresponding to each torque sensor 4 is displayed.
Fig. 4 and 5 are diagrams showing the relationship of the hoisting height H and the torque force F of the car-side rope end and the counterweight-side rope end, respectively, and show that the corresponding hoisting ropes 5 have no torque force or a small torque force. In which case no adjustment of the torque is necessary.
Fig. 6 and 7 are graphs showing the relationship between the hoisting height H and the torque force F of the car-side rope end and the counterweight-side rope end, respectively, and show that the torque force of the corresponding hoisting rope 5 varies periodically in the tightening and loosening direction as the elevator runs, but the sheave and the hoisting rope 5 do not slip. This situation requires consideration of the adjustment torque.
Fig. 8 and 9 are graphs showing the relationship of the hoisting height H and the torque force F of the car-side rope end and the counterweight-side rope end, respectively, showing that the torque force of the corresponding hoisting rope 5 varies periodically in the tightening and loosening direction as the elevator runs, but the sheave and the hoisting rope 5 slip. This situation requires that the torque be adjusted as quickly as possible.
By adopting the method, the twisting force of the rope ends at the two ends of each dragging rope 5 is measured in the whole running process of the elevator, and the twisting force and the change condition of the rope ends at the two ends of each dragging rope 5 in the whole running process of the elevator are analyzed, so that whether each dragging rope 5 needs to be adjusted or not is accurately judged, the adjustment strategy is formulated, the misadjustment or the over adjustment of the twisting force of the dragging rope is effectively avoided, and the stable running of the elevator and the service life of relevant parts are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A torsion measuring device of a hauling rope is characterized by comprising a first supporting sleeve, a second supporting sleeve and a fastening assembly, wherein the first supporting sleeve is used for contacting a torsion source;
the first supporting sleeve is arranged in a hollow mode to form a first containing space, and at least one side face of the first supporting sleeve is provided with a first through hole;
the second support sleeve comprises a first flat plate and a second flat plate which are oppositely arranged, a second accommodating space is formed between the first flat plate and the second flat plate, and a torsion sensor is arranged in the second accommodating space; the first flat plate and the second flat plate are provided with corresponding second through holes;
the fastening assembly comprises a bolt piece and a nut piece, and the bolt piece penetrates through the first supporting sleeve and the second supporting sleeve in sequence and then is connected with the nut piece.
2. The hoisting rope torsion measuring device according to claim 1, wherein the torsion sensor is provided in series on the bolt member.
3. The hoisting rope torsion measuring device according to claim 1 or 2, wherein an end of the bolt member into which the nut member is screwed is provided with a mounting hole across, and a cotter pin is inserted into the mounting hole.
4. A hoisting rope torsion measuring system comprising a rope end fixing member, characterized by further comprising a hoisting rope torsion measuring apparatus according to any one of claims 1 to 3;
the rope head fixing assembly comprises a mounting plate, a bolt piece penetrating through the mounting plate and a spring piece stringed on the bolt piece, and the first supporting sleeve is in abutting contact with the spring piece and is positioned at one end of the spring piece, which is far away from the mounting plate;
the torque sensor is electrically connected with a data acquisition controller, and the data acquisition controller is electrically connected with a central processing controller.
5. The system for measuring the torsion of the hoisting rope is characterized in that the mounting plate is horizontally arranged, and the bottom end of the bolt piece arranged on the mounting plate is connected with the rope head of the hoisting rope;
the spring part sets up the top of mounting panel, the top of spring part is provided with the third flat board, bolt spare passes be provided with a plurality of fixation nut behind the third flat board, first accommodation space highly be greater than a plurality of fixation nut's height.
6. The system as claimed in claim 5, wherein a viewing hole is formed on a side surface of the first receiving space.
7. A torsion force adjusting method of a hoisting rope is characterized by comprising the following steps:
s10, constructing a traction rope torsion measuring system of any one of the claims 4-6;
s20, adjusting the relative positions of the first support sleeve and the second support sleeve on the bolt piece, so that the first support sleeve presses the spring piece to completely bear the torsion from the hoisting rope, and the second support sleeve presses the first support sleeve to perform induction measurement on the torsion;
s30, operating the elevator to obtain a torque force measured value of the hoisting rope through the data acquisition controller, and recording and displaying the torque force value and the torque force change condition of the hoisting rope through the central processing controller;
and S40, carrying out torsion adjustment operation corresponding to the hoisting rope by a worker according to the display information of the central processing controller.
8. The method for adjusting the torsion of the hoisting rope according to claim 7, wherein the hoisting rope torsion measuring systems are provided in a one-to-one correspondence with the hoisting rope on the car side and the hoisting rope on the counterweight side.
9. The method as claimed in claim 7 or 8, wherein the display information of the cpu includes an instantaneous torque value, a torque direction and a torque variation relationship chart.
10. The method as claimed in claim 9, wherein the plurality of the torque sensors are arranged in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393496.8A CN114812900A (en) | 2022-04-15 | 2022-04-15 | Hoisting rope torsion measuring device, system and adjusting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393496.8A CN114812900A (en) | 2022-04-15 | 2022-04-15 | Hoisting rope torsion measuring device, system and adjusting method thereof |
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| CN114812900A true CN114812900A (en) | 2022-07-29 |
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| CN202210393496.8A Pending CN114812900A (en) | 2022-04-15 | 2022-04-15 | Hoisting rope torsion measuring device, system and adjusting method thereof |
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| WO2007144456A1 (en) * | 2006-06-16 | 2007-12-21 | Kone Corporation | Arrangement for detecting slack rope of an elevator |
| JP2008024455A (en) * | 2006-07-21 | 2008-02-07 | Toshiba Elevator Co Ltd | Elevator |
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