CN210418851U - Elevator wire rope slippage measuring device - Google Patents
Elevator wire rope slippage measuring device Download PDFInfo
- Publication number
- CN210418851U CN210418851U CN201920579780.8U CN201920579780U CN210418851U CN 210418851 U CN210418851 U CN 210418851U CN 201920579780 U CN201920579780 U CN 201920579780U CN 210418851 U CN210418851 U CN 210418851U
- Authority
- CN
- China
- Prior art keywords
- speed encoder
- wire rope
- encoder
- measuring device
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model provides an elevator wire rope measuring device that slides, including the driving sheave, tow wire rope, the main control system, first speed encoder, second speed encoder and third speed encoder, tow the wire rope laminating in the axial of driving sheave, the pivot of driving sheave drive first speed encoder rotates, tow the pivot of wire rope drive second speed encoder and third speed encoder and rotate, and the relative distance of second speed encoder and third speed encoder is unchangeable, first speed encoder, second speed encoder and third speed encoder all with main control system electric connection. Above scheme simple structure measures driving sheave, the displacement volume of towing wire rope respectively through three speed encoder of group, can also measure the length variation who tows wire rope and bring because tension simultaneously, calibrates driving sheave and the relative displacement who tows wire rope through length variation to obtain more accurate wire rope slippage measurement result.
Description
Technical Field
The utility model relates to a special equipment detects technical field, especially relates to an elevator wire rope measuring device that slides.
Background
At present, the slippage detection equipment for the elevator steel wire rope on the market basically detects the stopping distance of the elevator, whether slippage exists is judged according to the stopping distance of the elevator, and the relative slippage between the elevator steel wire rope and a traction machine cannot be determined by adopting the detection mode, so that the slippage of the elevator cannot be accurately judged, and the slippage is not allowed in national regulations, so the equipment for detecting the relative slippage between the elevator steel wire rope and the traction machine is quite important.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can measure elevator wire rope measuring device that slides more accurately.
The technical scheme of the utility model is realized like this: the utility model provides an elevator wire rope measuring device that slides, including driving sheave and traction wire rope, traction wire rope laminates in the circumference of driving sheave, still includes main control system, first speed encoder, second speed encoder and third speed encoder, traction sheave drive first speed encoder's pivot is rotated, and traction wire rope drive second speed encoder and third speed encoder's pivot is rotated, and the relative distance of second speed encoder and third speed encoder is unchangeable, and first speed encoder, second speed encoder and third speed encoder all with main control system electric connection.
The control host receives pulse signals of the first speed encoder, the second speed encoder and the third speed encoder, calculates the distance according to the pulse signals, and can obtain the slippage of the elevator steel wire rope through simple distance and difference operation.
On the basis of the technical scheme, the anti-skid device preferably further comprises a first anti-skid guide wheel, the first anti-skid guide wheel is fixedly installed on a rotating shaft of the first speed encoder, and the edge of the first anti-skid guide wheel is matched with the edge of the traction wheel in shape.
On the basis of the technical scheme, the traction device further comprises two second anti-skid guide wheels, the second anti-skid guide wheels are fixedly installed on rotating shafts of the second speed encoder and the third speed encoder respectively, and the edges of the second anti-skid guide wheels are matched with the traction steel wire rope.
On the basis of the technical scheme, preferably, the speed changer further comprises a fixing seat and a tensioner, and the first speed encoder is fixedly installed on the fixing seat through the tensioner.
Preferably, the traction device further comprises a fixing frame, at least one tension wheel and a tension spring, wherein the second speed encoder and the third speed encoder are respectively and fixedly installed at two ends of the fixing frame, the tension wheel is located between the second speed encoder and the third speed encoder, one end of the tension spring is fixedly connected with the tension wheel, the other end of the tension spring is fixedly connected with the fixing frame, and the tension spring drives the circumferential edge of the tension wheel to abut against the traction steel wire rope.
On the basis of the above technical solution, preferably, the control host includes a calculator module and a display, the first speed encoder, the second speed encoder and the third speed encoder are all electrically connected to the calculator module, and the display is electrically connected to the calculator module.
On the basis of the above technical solution, preferably, the calculator module is a siemens FM350-2 module.
The utility model discloses an elevator wire rope measuring device that slides has following beneficial effect for prior art:
(1) the utility model discloses a second speed encoder and third speed encoder carry out the displacement volume measurement to towing wire rope simultaneously, when the weight that towing wire rope bore changes, it can take place the length change, different displacement results can then be measured to second speed encoder and third speed encoder, the difference of displacement result is the produced length variation of towing wire rope between second speed encoder and the third speed encoder, and the difference of the displacement volume between first speed encoder and the second speed encoder is the sum of true wire rope slippage and wire rope length variation, consequently under the condition of measuring two numerical values, the third unknown quantity also can be got, thereby obtain true wire rope displacement volume;
(2) whole device simple structure, the result that records is accurate, simultaneously the utility model discloses cup joint the antiskid guide pulley in speed encoder's pivot, add the take-up pulley between second speed encoder and third speed encoder to reduce measuring error, have higher measurement accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the elevator wire rope slippage measuring device of the present invention;
fig. 2 is a front view of the elevator wire rope slippage measuring device of the present invention;
fig. 3 is a front view of the elevator wire rope slippage measuring device of the present invention;
fig. 4 is the utility model discloses elevator wire rope measuring device that slides's front view.
In the figure: 1-traction sheave, 2-traction steel wire rope, 3-control host, 4-first speed encoder, 5-second speed encoder, 6-third speed encoder, 7-first anti-skid guide wheel, 8-second anti-skid guide wheel, 9-fixing seat, 10-tensioner, 11-fixing frame, 12-tensioning wheel, 13-tensioning spring, 31-calculator module and 32-display.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses an elevator wire rope measuring device that slides, it includes traction sheave 1 and hauls wire rope 2, hauls wire rope 2 and laminates in traction sheave 1's circumference, still includes main control system 3, first speed encoder 4, second speed encoder 5 and third speed encoder 6, 1 drive first speed encoder 4's of traction sheave pivot is rotated, hauls wire rope 2 drive second speed encoder 5 and third speed encoder 6's pivot and rotates, and second speed encoder 5 and third speed encoder 6's relative distance is unchangeable, first speed encoder 4, second speed encoder 5 and third speed encoder 6 all with main control system 3 electric connection.
In the above embodiment, the relative distance between the second speed encoder 5 and the third speed encoder 6 is not changed, and both measure the displacement amount of the traction wire rope 2 at the non-passage position, because the change of the elastic length of the traction steel wire rope 2 caused by the traction force can be ignored when the displacement of the traction steel wire rope 2 is measured conventionally, the displacement of the traction steel wire rope 2 is inaccurate and has errors, in the scheme, the second speed encoder 5 and the third speed encoder 6 measure displacement amounts L2 and L3 at two positions respectively, while knowing the distance a between the second speed encoder 5 and the third speed encoder 6, the first speed encoder 4 measures the displacement amount L1 of the traction sheave edge, the amount of change in the elastic length of the hoisting rope per unit length is (L3-L2)/a, the amount of relative slip is L2-L1, the actual slip of the steel wire rope is (L2-L1) -L2 (L3-L2)/a.
Through the method, the accurate slippage of the steel wire rope can be calculated, and the error that the length change of the steel wire rope comes is overcome.
As shown in fig. 2, in the specific embodiment, the anti-skid device further comprises a first anti-skid guide wheel 7, wherein the first anti-skid guide wheel 7 is fixedly installed on the rotating shaft of the first speed encoder 4, and the edge of the first anti-skid guide wheel 7 is matched with the edge of the traction sheave 1 in shape.
In the above embodiment, in order to ensure the measurement accuracy and reduce the error of the data at the detection end, the first anti-skid guide wheel 7 is sleeved outside the rotating shaft of the first speed encoder 4, and the edge of the first anti-skid guide wheel 7 is matched with the edge of the traction sheave 1 in shape, so that the contact area can be increased, the friction force can be increased, and the first anti-skid guide wheel 7 and the traction sheave 1 can be prevented from sliding.
In a specific embodiment, the traction rope further comprises two second anti-skid guide wheels 8, the second anti-skid guide wheels 8 are fixedly installed on rotating shafts of the second speed encoder 5 and the third speed encoder 6 respectively, and the edges of the second anti-skid guide wheels 8 are matched with the traction rope 2.
In the above embodiment, the second anti-slip guide pulley 8 is further fitted to the outer side of the rotating shaft of the second speed encoder 5 and the third speed encoder 6, so that the friction force with the hoisting wire rope 2 can be increased, and the second anti-slip guide pulley 8 can be prevented from slipping with the hoisting wire rope 2.
As shown in fig. 3, in the specific embodiment, the speed encoder further comprises a fixing seat 9 and a tensioner 10, and the first speed encoder 4 is fixedly mounted on the fixing seat 9 through the tensioner 10.
In the above embodiment, in order to further increase the friction force between the first speed encoder 4 and the traction sheave 1, the tensioner 10 is additionally provided, one end of the tensioner 10 is fixedly installed on the fixed seat 9, and the other end of the tensioner is connected with the first speed encoder 4, so that a pressure toward the traction sheave 1 can be applied to the first speed encoder 4 through the tensioner 10, thereby increasing the friction force between the two, further reducing the possibility of relative sliding, and improving the measurement accuracy.
In a specific embodiment, the hoisting device further comprises a fixing frame 11, at least one tension wheel 12 and a tension spring 13, the second speed encoder 5 and the third speed encoder 6 are respectively and fixedly installed at two ends of the fixing frame 11, the tension wheel 12 is located between the second speed encoder 5 and the third speed encoder 6, one end of the tension spring 13 is fixedly connected with the tension wheel 1, the other end of the tension spring is fixedly connected with the fixing frame 11, and the tension spring 13 drives the circumferential edge of the tension wheel 1 to abut against the hoisting steel wire rope 2.
In the above embodiment, in order to ensure that the relative distance between the second speed encoder 5 and the third speed encoder 6 is not changed, and at the same time, the traction wire rope 2 has higher friction force and prevent relative sliding error, a fixing frame 11 is provided to fix the positions of the second speed encoder 5 and the third speed encoder 6, the fixing frame 11 is fixedly connected with an external device, the fixing frame 11 is further provided with a tension spring 13 and a tension pulley 12, the tension pulley 12 is positioned between the second speed encoder 5 and the third speed encoder 6, the tension pulley 12 is elastically connected with the fixing frame 11 through the tension spring 13, the second speed encoder 5 and the third speed encoder 6 are positioned on one side of the traction wire rope 2, the tension pulley 12 is positioned on the other side of the traction wire rope 2, the tension pulley 12 is acted by elastic force generated by the tension spring 13, so that the traction wire rope 2 has higher pressure stress with the second speed encoder 5 and the third speed encoder 6, therefore, the friction force is increased, the relative displacement is overcome, and the measuring accuracy is improved.
As shown in fig. 4, in the specific embodiment, the control host 3 includes a calculator module 31 and a display 32, the first speed encoder 4, the second speed encoder 5 and the third speed encoder 6 are all electrically connected to the calculator module 31, and the display 32 is electrically connected to the calculator module 31.
In the above embodiment, the calculator module 31 receives the detection signals from the first speed encoder 4, the second speed encoder 5, and the third speed encoder 6, calculates the slippage of the elevator rope based on the signals, and displays the measurement result on the display 32.
In a specific embodiment, the calculator module 31 is a Siemens FM350-2 module.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 measuring device that slides, includes traction sheave (1) and tows wire rope (2), tows wire rope (2) and laminates in the circumference of traction sheave (1), its characterized in that, including main control system (3), first speed encoder (4), second speed encoder (5) and third speed encoder (6), the pivot of traction sheave (1) drive first speed encoder (4) rotates, tows wire rope (2) the pivot of drive second speed encoder (5) and third speed encoder (6) and rotates, and the relative distance of second speed encoder (5) and third speed encoder (6) is unchangeable, first speed encoder (4), second speed encoder (5) and third speed encoder (6) all with main control system (3) electric connection.
2. The elevator rope slippage measuring device according to claim 1, further comprising a first anti-skid guide wheel (7), wherein the first anti-skid guide wheel (7) is fixedly mounted on the rotating shaft of the first speed encoder (4), and the edge of the first anti-skid guide wheel (7) and the edge of the traction sheave (1) are matched in shape.
3. The elevator wire rope slippage measuring device according to claim 1, further comprising two second anti-skid guide wheels (8), wherein the second anti-skid guide wheels (8) are fixedly mounted on the rotating shafts of the second speed encoder (5) and the third speed encoder (6), respectively, and the edge of the second anti-skid guide wheels (8) is engaged with the traction wire rope (2).
4. The elevator wire rope slippage measuring device according to claim 1, further comprising a holder (9) and a tensioner (10), wherein the first speed encoder (4) is fixedly mounted on the holder (9) via the tensioner (10).
5. The elevator steel wire rope slippage measuring device according to claim 1, further comprising a fixing frame (11), at least one tension pulley (12) and a tension spring (13), wherein the second speed encoder (5) and the third speed encoder (6) are respectively and fixedly installed at two ends of the fixing frame (11), the tension pulley (12) is located between the second speed encoder (5) and the third speed encoder (6), one end of the tension spring (13) is fixedly connected with the tension pulley (12), the other end of the tension spring is fixedly connected with the fixing frame (11), and the tension spring (13) drives the circumferential edge of the tension pulley (12) to abut against the traction steel wire rope (2).
6. The elevator rope slippage measuring device according to claim 1, wherein the control host (3) comprises a calculator module (31) and a display (32), the first speed encoder (4), the second speed encoder (5) and the third speed encoder (6) are electrically connected to the calculator module (31), and the display (32) is electrically connected to the calculator module (31).
7. The elevator rope slippage measuring device of claim 6, wherein said calculator module (31) is a siemens FM350-2 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579780.8U CN210418851U (en) | 2019-04-24 | 2019-04-24 | Elevator wire rope slippage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579780.8U CN210418851U (en) | 2019-04-24 | 2019-04-24 | Elevator wire rope slippage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210418851U true CN210418851U (en) | 2020-04-28 |
Family
ID=70370304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579780.8U Active CN210418851U (en) | 2019-04-24 | 2019-04-24 | Elevator wire rope slippage measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210418851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429614A (en) * | 2020-12-04 | 2021-03-02 | 广州广日电梯工业有限公司 | Elevator hauler wire rope detection device that skids |
| CN113772440A (en) * | 2021-09-28 | 2021-12-10 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of rail-mounted mobile equipment |
-
2019
- 2019-04-24 CN CN201920579780.8U patent/CN210418851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429614A (en) * | 2020-12-04 | 2021-03-02 | 广州广日电梯工业有限公司 | Elevator hauler wire rope detection device that skids |
| CN113772440A (en) * | 2021-09-28 | 2021-12-10 | 大连华锐重工集团股份有限公司 | Walking positioning detection device of rail-mounted mobile equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210418851U (en) | Elevator wire rope slippage measuring device | |
| CN101886981B (en) | Adjustable-axle distance roller device | |
| WO2009157516A1 (en) | Method for estimating tire wear and device for estimating tire wear | |
| EP2103454B1 (en) | Method and apparatus for detecting decrease in tire air pressure and program for determining decrease in tire air pressure | |
| CN212871743U (en) | Automobile tire check out test set | |
| CN200986478Y (en) | Ball guide-screw pair frictional moment measuring apparatus | |
| CN107843225A (en) | A kind of differential mechanism backlash verifying attachment and clearance check method | |
| CN104210913B (en) | Elevator no-load coefficient of balance detection device | |
| CN201548460U (en) | Fatigue tester with non-resistance torque tension mechanism | |
| CN210426395U (en) | Utensil is examined to lug assembly symmetry | |
| CN103318732B (en) | Rope detection device and rope detection method both for elevators | |
| CN214223939U (en) | Auxiliary frame support frame machine adds punch combination detection instrument | |
| CN213141082U (en) | Tension detection equipment for elevator hoisting rope | |
| CN102721499B (en) | Device for detecting startup friction torque with restraints on speed influence, and circuit system thereof | |
| CN208155253U (en) | A kind of travel range metering installation of wirerope | |
| CN113176029A (en) | Line body tension detection device | |
| CN212222076U (en) | Elevator braking performance and traction performance measurement and analysis are tachometer wheel external member for system | |
| CN216694773U (en) | Motor vehicle wheel tread measuring device | |
| CN202614444U (en) | A speed influence inhibitor used for detecting starting friction torque and a circuit system thereof | |
| CN216846914U (en) | ASR check out test set | |
| CN113092134B (en) | Vehicle braking distance measuring device | |
| CN213336039U (en) | Steel band length counting device | |
| CN110514095A (en) | A kind of auto assembly line size detection tooling | |
| CN110108501A (en) | The real-time detection apparatus of auto pedal maneuvering performance | |
| CN218723705U (en) | Winding length detection mechanism of wire winding wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |