CN208297108U - The head sheave beat and vibration monitoring device of multi-rope friction hoisting machine - Google Patents
The head sheave beat and vibration monitoring device of multi-rope friction hoisting machine Download PDFInfo
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- CN208297108U CN208297108U CN201820922647.3U CN201820922647U CN208297108U CN 208297108 U CN208297108 U CN 208297108U CN 201820922647 U CN201820922647 U CN 201820922647U CN 208297108 U CN208297108 U CN 208297108U
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- displacement transducer
- contact displacement
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- sheave
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Abstract
The utility model discloses the head sheave beats and vibration monitoring device of a kind of multi-rope friction hoisting machine, sensor stand is located at the diameter of multiple coaxially arranged head sheaves on sheave wheel platform forwards, each head sheave is corresponded on the sensor stand is all equipped with one group of sensing element, in the sensing element, the end rope groove center of the end sides of axial non-contact displacement transducer face day wheel rim, radial non-contact displacement transducer face day wheel rim；The signal output end of each axial non-contact displacement transducer and radial non-contact displacement transducer is connect with the signal input part of a collector respectively, and the signal output end of collector is connect with the signal input part of a host computer.The element that the utility model uses is less, facilitates setting installation；Using unique arrangement form, the data that noncontacting proximity sensor directly measures can directly reflect the case where head sheave deviates, and ensure that the data measured are reliable, stablize；Monitoring while also achieving multiple head sheaves.
Description
Technical field
The utility model relates to a kind of monitoring device, the head sheave beat of specifically a kind of multi-rope friction hoisting machine and vibration
Monitoring device belongs to mining monitoring field.
Background technique
Head sheave of hoister, especially multi-rope friction hoisting machine head sheave undertake as the core equipment of mine hoisting system
Accept load and guiding steel wire rope great key effect.When larger beat and vibration occur for head sheave, lifting system will be made
Biggish additional dynamic load is born, the safety and reliability of lifting system operation is seriously threatened.Therefore, carry out head sheave beat and
The real-time monitoring of vibration has biggish Practical significance to guarantee lifting system operational safety.
For this purpose, Chinese patent CN105258935A discloses a kind of mine hoist head sheave vibration performance detection system and side
Method.The device is easy for installation, but sensor used is more, the non-measured vibration of installation site of measurement complexity and the sensors such as acceleration
The optimum position in source, and do single beat or vibration performance just for hand bearing seat or some head sheave and detect；It is Chinese special
Sharp CN206920119U discloses a kind of mine head sheave beat and vibration performance detection device, which passes through transverse bar and longitudinal direction
The transverse and longitudinal that lever contact type perceives day wheel rim is mobile, and band dynamic condenser effective area changes, so as to cause voltage change, and
Signal processing is carried out to voltage change through sensor fuselage, obtains the beat and vibration characteristics of head sheave.The device uses contact
Measurement method, signal transformation is cumbersome, and head sheave running speed is fast, operating condition is frequent, therefore horizontal radial transducer reliability of operation
And the accuracy of monitoring data is lower.
Summary of the invention
In view of the above-mentioned problems of the prior art, the purpose of the utility model is to provide a kind of installation and use simply,
It can guarantee that the data measured are reliable, stablize, can really reflect and while monitor the beat and Vibration Condition, guarantor of multiple head sheaves
Hinder the head sheave beat and vibration monitoring device of the multi-rope friction hoisting machine of lifting system operational safety.
A kind of head sheave of multi-rope friction hoisting machine that in order to achieve the above purposes, the technical solution adopted by the utility model is:
Beat and vibration monitoring device, including sheave wheel platform are equipped with sensor stand, the sensor stand on the sheave wheel platform
The diameter for being located at multiple coaxially arranged head sheaves on sheave wheel platform forwards, corresponds to each head sheave and is all equipped on the sensor stand
One group of sensing element, the sensing element include an axial non-contact displacement transducer and a radial contactless displacement sensing
Device, the end sides of axial direction non-contact displacement transducer face day wheel rim, radial non-contact displacement transducer is just
To the end rope groove center of day wheel rim；Each axial non-contact displacement transducer and radial non-contact displacement transducer
Signal output end connect respectively with the signal input part of a collector, the signal of the signal output end of collector and a host computer
Input terminal connection.
Head sheave quantity is too many it is difficult to ensure that run smoothly, also inconvenient monitoring and maintenance, it is preferred that and there are four the head sheaves,
There are four axial non-contact displacement transducer and radial non-contact displacement transducer are respectively corresponded and are set.
Preferably, vibration isolator is equipped between the sensor stand bottom and sheave wheel platform.Vibration isolator can mitigate vibration
Phenomenon, thus caused by avoiding because of high vibration additional dynamic load promotion, make lifting system operation more safety and reliable.
Collector and host computer can be directly electrically connected, it is preferred that in order to guarantee that data transmission bauds is fast, the collector
Signal output end connected by the signal input part of Ethernet and host computer.Collector can be collected by Ethernet
Signal be transmitted directly in host computer.
Further, further include a DC power supplier, the DC power supplier respectively with axial contactless displacement
Sensor, radial non-contact displacement transducer and collector electrical connection.DC power supplier can use defeated in actual use
Voltage is the lithium battery of 15V out, and DC power supplier selects voltage stabilizing chip LM2596 equipped with Voltage stabilizing module, Voltage stabilizing module.It adopts
After DC power supplier, each element does not need to connect to power supply by conducting wire always, and overall structure is more succinct, using flexible
Property is stronger.
Preferably, the axial non-contact displacement transducer, radial non-contact displacement transducer use laser displacement
Sensor.Laser displacement sensor use echo analysis principle, i.e., by laser transmitter projects laser pulse to detectable substance simultaneously
It is back to receiver, processor is calculated the time needed for laser pulse encounters detectable substance and is back to receiver, calculated with this
Distance value has many advantages, such as that precision is high, frequency response is fast, straightness is good, measurement hot spot is small, strong antijamming capability.
Host computer refers to the computer that can directly issue manipulation command, can directly control equipment and obtain equipment shape
Condition, it is preferred that in order to guarantee the stability of overall operation, the host computer using magnificent IPC610 type industrial personal computer is ground, adopt by collector
With A/V type analogue collection module.
Working principle: the end sides of axial non-contact displacement transducer face day wheel rim, when its corresponding head sheave
When axial-shift occurs, head sheave can change in axial displacement, and axial non-contact displacement transducer can be with real-time measurement
The numerical value of axial displacement, collector collect shift value and are transmitted in host computer；Radial non-contact displacement transducer is just
To the end rope groove center of day wheel rim, when head sheave operating, load will drive head sheave, head sheave main shaft and spindle bearing holder and occur
Vibration, so that radial the distance between non-contact displacement transducer and end rope groove center can change, it is radial non-contact
Radial displacement that formula displacement sensor measures variation numerical value can be collected device and acquire and be transmitted in host computer, and administrative staff can be with
The situation of change being displaced by host computer real time inspection analyzes the working condition of head sheave, when axially or radially change in displacement is obvious,
Further step is taken in time when beyond normal range (NR).
The element that the utility model uses is less, facilitates setting installation；It is contactless using unique arrangement form
The data that sensor directly measures can directly reflect the case where head sheave offset, do not need the calculating step of extra complexity, also do not have
There is multiple signal transformation bring error to influence, ensure that the data measured are reliable, stablizes；And installation site accurate positioning, axis
To the end sides of non-contact displacement transducer face day wheel rim, since day wheel rim is the diameter maximum, i.e. of head sheave
Be sensed axial slightly offset also can, the end rope groove center of radial non-contact displacement transducer face day wheel rim,
It can directly reflect the Vibration Condition of each head sheave center, so that the present apparatus is able to reflect true beat and vibration on the whole
Situation, monitoring while also achieving multiple head sheaves.The operation of the utility model is not influenced by the variation of head sheave Operation Conditions, because
And reliability of operation is stronger.
Detailed description of the invention
Fig. 1 is the top view that the utility model is mounted on sheave wheel platform；
Fig. 2 is the control principle drawing of the utility model；
In figure, 1, sensor stand, 2, axial non-contact displacement transducer, 3, radial non-contact displacement transducer,
4, collector, 5, host computer, 6, head sheave, 6.1, day wheel rim, 6.1a, end sides, 6.1b, end rope groove center, 7, head sheave
Main shaft, 8, spindle bearing holder, 10, sheave wheel platform.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown, the head sheave beat and vibration monitoring device of a kind of multi-rope friction hoisting machine, including sheave wheel platform 10,
Sensor stand 1 is installed, the sensor stand 1 is located at multiple coaxially arranged on sheave wheel platform 10 on the sheave wheel platform 10
Head sheave 6 diameter forwards, corresponded on the sensor stand 1 each head sheave 6 all be equipped with one group of sensing element, the detecting means
Part includes an axial non-contact displacement transducer 2 and a radial non-contact displacement transducer 3, the contactless position of axial direction
The end sides 6.1a of 2 face day wheel rim 6.1 of displacement sensor, radial 3 face day wheel rim 6.1 of non-contact displacement transducer
End rope groove center 6.1b；The letter of each axial non-contact displacement transducer 2 and radial non-contact displacement transducer 3
Number output end is connect with the signal input part of a collector 4 respectively, the signal of the signal output end of collector 4 and a host computer 5
Input terminal connection.
The head sheave 6 of the multi-rope friction hoisting machine of the utility model is mounted on head sheave main shaft 7, and head sheave main shaft 7 is erected at
On the spindle bearing holder 8 of left and right shaft end, so that head sheave 6 is fixed on sheave wheel platform 10.Used host computer 5 refers to
The computer of manipulation command can be directly issued, the i.e. controllable collector 4 of control signal input collector 4 of host computer 5 acquires
Data: where the end sides 6.1a of axial 2 face day wheel rim 6.1 of non-contact displacement transducer, when its corresponding head sheave
When 6 generation axial-shift, head sheave 6 can change in axial displacement, and axial non-contact displacement transducer 2 can be surveyed in real time
The numerical value of axial displacement is measured, collector 4 collects shift value and is transmitted in host computer 5；Radial contactless displacement sensing
The end rope groove center 6.1b of 3 face day wheel rim 6.1 of device, when head sheave 6 operates, load will drive head sheave 6,7 and of head sheave main shaft
Spindle bearing holder 8 vibrates, thus radial the distance between non-contact displacement transducer 3 and end rope groove center 6.1b meeting
It changes, the radial displacement variation numerical value that radial non-contact displacement transducer 3 measures can be collected device 4 and acquire and be transmitted to
In host computer 5, the situation of change that administrative staff can be displaced by 5 real time inspection of host computer analyzes the working condition of head sheave 6,
When axially or radially change in displacement is obvious, beyond normal range (NR) when take further step in time.
6 quantity of head sheave is too many it is difficult to ensure that run smoothly, also inconvenient monitoring and maintenance, it is preferred that the head sheave 6 has four
It is a, there are four axial non-contact displacement transducer 2 and radial non-contact displacement transducer 3 are respectively corresponded and are set.
Preferably, vibration isolator is equipped between 1 bottom of sensor stand and sheave wheel platform 10.Vibration isolator can mitigate vibration
Dynamic phenomenon, thus caused by avoiding because of high vibration additional dynamic load promotion, make lifting system operation more safety and reliable.
Collector 4 and host computer 5 can be directly electrically connected, it is preferred that in order to guarantee that data transmission bauds is fast, the acquisition
The signal output end of device 4 is connect by Ethernet with the signal input part of host computer 5.Collector 4 can be adopted by Ethernet
Collect obtained signal to be transmitted directly in host computer 5.
Each element in the utility model can use direct current or Alternating Current Power Supply.It further, further include a DC power supply
Module, the DC power supplier respectively with axial non-contact displacement transducer 2, radial non-contact displacement transducer 3 and
Collector 4 is electrically connected.DC power supplier can use output voltage for the lithium battery of 15V in actual use, DC power supply mould
Block selects voltage stabilizing chip LM2596 equipped with Voltage stabilizing module, Voltage stabilizing module.After DC power supplier, each element does not need to begin
It is connected to power supply eventually by conducting wire, overall structure is more succinct, using flexible is stronger.
Preferably, the axial non-contact displacement transducer 2, radial non-contact displacement transducer 3 use laser position
Displacement sensor.Laser displacement sensor uses echo analysis principle, that is, passes through laser transmitter projects laser pulse to detectable substance
And it is back to receiver, processor calculates the time needed for laser pulse encounters detectable substance and is back to receiver, is calculated with this
Distance value out has many advantages, such as that precision is high, frequency response is fast, straightness is good, measurement hot spot is small, strong antijamming capability.
Host computer 5 refers to the computer that can directly issue manipulation command, can directly control equipment and obtain equipment
Situation, it is preferred that in order to guarantee the stability of overall operation, the host computer 5 uses and grinds magnificent IPC610 type industrial personal computer, collector
4 use A/V type analogue collection module.
Claims (7)
1. the head sheave beat and vibration monitoring device of a kind of multi-rope friction hoisting machine, including sheave wheel platform (10), feature exists
In being equipped with sensor stand (1) on the sheave wheel platform (10), the sensor stand (1) is located on sheave wheel platform (10)
The diameter of multiple coaxially arranged head sheaves (6) forwards, corresponds to each head sheave (6) and is all equipped with one group on the sensor stand (1)
Sensing element, the sensing element include an axial non-contact displacement transducer (2) and a radial contactless displacement sensing
Device (3), the end sides (6.1a) of axial direction non-contact displacement transducer (2) the face day wheel rim (6.1), radial direction is non-to be connect
The end rope groove center (6.1b) of touch displacement sensor (3) face day wheel rim (6.1)；Each axial contactless displacement
The signal output end of sensor (2) and radial non-contact displacement transducer (3) signal input part with a collector (4) respectively
Connection, the signal output end of collector (4) are connect with the signal input part of a host computer (5).
2. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
There are four the head sheaves (6), and axial non-contact displacement transducer (2) and radial non-contact displacement transducer (3) are right respectively
There are four should setting.
3. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
Vibration isolator is equipped between sensor stand (1) bottom and sheave wheel platform (10).
4. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
The signal output end of the collector (4) is connect by Ethernet with the signal input part of host computer (5).
5. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
Further include a DC power supplier, the DC power supplier respectively with axial non-contact displacement transducer (2), radial non-connect
Touch displacement sensor (3) and collector (4) electrical connection.
6. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
The axial direction non-contact displacement transducer (2), radial non-contact displacement transducer (3) use laser displacement sensor.
7. the head sheave beat and vibration monitoring device of multi-rope friction hoisting machine according to claim 1, which is characterized in that
The host computer (5) uses A/V type analogue collection module using magnificent IPC610 type industrial personal computer, collector (4) is ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922647.3U CN208297108U (en) | 2018-06-14 | 2018-06-14 | The head sheave beat and vibration monitoring device of multi-rope friction hoisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922647.3U CN208297108U (en) | 2018-06-14 | 2018-06-14 | The head sheave beat and vibration monitoring device of multi-rope friction hoisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297108U true CN208297108U (en) | 2018-12-28 |
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ID=64701445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820922647.3U Active CN208297108U (en) | 2018-06-14 | 2018-06-14 | The head sheave beat and vibration monitoring device of multi-rope friction hoisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297108U (en) |
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2018
- 2018-06-14 CN CN201820922647.3U patent/CN208297108U/en active Active
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