CN207844899U - Feed elevator speed measuring device - Google Patents
Feed elevator speed measuring device Download PDFInfo
- Publication number
- CN207844899U CN207844899U CN201720122727.6U CN201720122727U CN207844899U CN 207844899 U CN207844899 U CN 207844899U CN 201720122727 U CN201720122727 U CN 201720122727U CN 207844899 U CN207844899 U CN 207844899U
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- Prior art keywords
- elevator
- measuring device
- speed measuring
- scraper plate
- quantity sensor
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Abstract
The utility model provides a kind of feed elevator speed measuring device, the feed elevator speed measuring device includes programmable logic controller (PLC), two elevator tachogenerators and liquid crystal display, the programmable controller connects two elevator tachogenerators and liquid crystal display, described two elevator tachogenerators measure the promotion of the steel wire rope of connection charging scraper plate and workshop scraper plate respectively or decrease speed, liquid crystal display show the measurement result of two elevator tachogenerators.By the elevator speed measuring device of the utility model, it can be quickly detected the exception that elevator rises or falls speed, which thereby enhance efficiency and the safety of Feed Manufacturing.
Description
Technical field
The utility model is related to feed production technology fields, especially relate to the velocity measuring device of feed elevator tool
Field.
Background technology
Elevator (well elevating conveyor/Elevator) is the large size transported by changing potential energy
Mechanical equipment, such as mine hoist, mistake dam elevator, also in feedstuff industry extensive use, in a broad sense, elevator, overhead traveling crane, volume
It raises, stable car, crane, headstock gear etc. can be described as elevator.Elevator refers generally to that power is larger, the stronger mainframe of hoisting power
Tool equipment.Flexible piece steel wire rope is dragged by dynamic power machine and institute's freight moves up and down and completes transportational process.
Elevator system is mainly by motor, retarder, reel (or friction pulley), braking system, depth instruction system, survey
The compositions such as speed limit speed system and steerable system are generally driven using AC or DC motor.Elevator signal prediction is referred to as III
Class failure, when such failure occurs, not braking parking, generation sound, the forecast of light fault-signal.Such failure includes：(1) mine
Elevator direct-current main motor bearing running hot；(2) DC operation current earthing；(3) brake block is worn；(4) lubrication pressure is abnormal；
(5) mine hoist ventilation failure；(6) direct current major loop ground etc..
When elevator failure occurs, be frequently accompanied by elevator promoted or decrease speed rapidly variation, therefore in order to
The safety for improving elevator work can detect the speed that elevator is promoted or declined.When very fast become occurs for Hoist Speed
When change, the stringent effort such as stopping promotion or decline can be taken, safety responsibility accident is avoided the occurrence of.
In existing feedstuff industry, lack the effective means measured for Hoist Speed, often only simply by people
Work is observed, or detects the stressing conditions of motor, very slow for the reaction speed of failure in this way, be easy to cause accident.
Utility model content
The purpose of this utility model is that for that can not be asked what the speed of elevator was effectively monitored in feedstuff industry
Topic, provides a kind of elevator speed measuring device, and the elevator speed measuring device simply and efficiently can monitor and diagnose elevator hair
Raw velocity variations.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of elevator speed measuring device, the elevator speed measuring device include programmable logic controller (PLC), two elevators
Tachogenerator and liquid crystal display, the programmable controller connects two elevator tachogenerators and liquid crystal display, described two
Elevator tachogenerator measures promotion or the decrease speed of the steel wire rope of connection charging scraper plate and workshop scraper plate, liquid crystal display respectively
Show the measurement result of two elevator tachogenerators.
Wherein, described two elevator tachogenerators include that the pulse electromagnetic being spaced a predetermined distance magnetizes unit and magnetic survey
Quantity sensor, the pulse electromagnetic magnetizes unit and magnetic survey quantity sensor may be contained within the steel of connection charging scraper plate or workshop scraper plate
Near cord.
Particularly, the magnetic survey quantity sensor includes rising magnetic survey quantity sensor and declining magnetic survey quantity sensor, rises magnetic
Measurement sensor setting is magnetized in the pulse electromagnetic on unit preset distance, is declined magnetic survey quantity sensor and is arranged in the arteries and veins
Electromagnetism is rushed to magnetize under unit preset distance.
In addition, the elevator speed measuring device further includes control unit, control unit is connected to charging scraper plate and workshop is scraped
The elevator motor of plate, the elevator motor is stepper motor.
Using the elevator speed measuring device of the utility model, elevator can be quickly detected and rise or fall the different of speed
Often, the safety of production is which thereby enhanced.
In addition, using the elevator speed measuring device of the utility model, the mode of magnetic detection is used, this mode is nothing
The way of contact, detection is sensitive, will not be interfered by other factors.
Description of the drawings
Fig. 1 is the structural schematic diagram of elevator speed measuring device in specific embodiment of the present invention.
Fig. 2 is the structural schematic diagram of elevator speed measuring device in specific embodiment of the present invention.
Fig. 3 is that the structure of elevator tachogenerator in elevator speed measuring device in specific embodiment of the present invention is shown
It is intended to.
Specific implementation mode
Below in conjunction with the accompanying drawings, it elaborates to the utility model.
The detailed example embodiment of following discloses.However, specific structure and function details disclosed herein merely for the sake of
The purpose of example embodiment is described.
It should be appreciated, however, that the utility model is not limited to disclosed particular exemplary embodiment, but covering falls into this public affairs
Open all modifications, equivalent and the alternative in range.In the description to whole attached drawings, identical reference numeral indicates identical
Element.
Refering to attached drawing, structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification
Revealed content is not limited to the enforceable limit of the utility model so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences under the effect of the utility model can be generated and the purpose that can reach, should all still fall in the revealed skill of the utility model
Art content obtains in the range of capable of covering.Meanwhile cited position restriction term in this specification, it is merely convenient to the bright of narration
, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, and technology is being changed without essence
It inside holds, when being also considered as the enforceable scope of the utility model.
It will also be appreciated that term "and/or" includes the arbitrary of one or more relevant list items as used in this
With all combinations.It will further be appreciated that when component or unit are referred to as " connecting " or when " coupled " to another component or unit, it
Other component or unit are can be directly connected or coupled to, or there may also be intermediate member or units.In addition, for describing
Between component or unit other words of relationship should understand in the same fashion (for example, " between " to " directly between ",
" adjacent " is to " direct neighbor " etc.).
As depicted in figs. 1 and 2, the elevator speed measuring device in the utility model is in large scale equipment, monitoring to be fed
The elevator of scraper plate and workshop scraper plate rises or falls speed, has a very important role.
Specifically, one end of blanking grizzly connection charging scraper plate, the other end for feeding scraper plate are connected to the first elevator,
It is promoted by the first elevator or is controlled and declined.And one end of workshop scraper plate is connected to the second elevator, the setting of the second elevator exists
In well cabinet frame, well cabinet frame is connected with trestle, is connected to the other end of workshop scraper plate, workshop scraper plate point under trestle by steel silo
For three-level, most next stage is connected to main shop elevator.
A kind of elevator speed measuring device, the elevator speed measuring device packet are disclosed in specific embodiment of the present invention
Programmable logic controller (PLC), two elevator tachogenerators and liquid crystal display are included, the programmable controller connects two promotions
Machine tachogenerator and liquid crystal display, described two elevator tachogenerators respectively measure connection charging scraper plate and workshop scraper plate
The promotion of steel wire rope or decrease speed, liquid crystal display show the measurement result of two elevator tachogenerators.
For example, when explanation：2 testing the speed for elevator are reacted on programmable controller PLC, if speed is in Reasonable area
Between, just normal charging, if must slow down charging section in setting, crawl is fed scraper plate immediately, if operated in putty i.e.
Stage, immediately stop charging.
As shown in Figure 3, wherein described two elevator tachogenerators include that the pulse electromagnetic being spaced a predetermined distance magnetizes
Unit 20 and magnetic survey quantity sensor 30, the pulse electromagnetic magnetizes unit 20 and magnetic survey quantity sensor 30 may be contained within connection charging
Near the steel wire rope 10 of scraper plate or workshop scraper plate.
It is described to be spaced a predetermined distance, it can be arranged according to elevator target velocity, such as can be 20cm or so,
But those skilled in that art are it is to be understood that this distance can be adjusted according to actual needs.
The working method of this elevator tachogenerator is：
1, in t0Moment, pulse electromagnetic magnetize the connection of unit 20, magnetize in steel wire rope corresponding position, general steel wire rope uses
304 steel, 304 Steel materials are austenitic steels, and austenitic stainless steels are no magnetic in fact, but comprehensive mechanical property, processing performance
Solderability is all good, and cold work hardening will will produce magnetism when generating martensitic traoformation.
2, magnetic survey quantity sensor 30 detects magnetic field intensity, which is the function of time t.
3, speed is risen or fallen according to what magnetic field intensity function counter can solve steel wire rope 10.
Particularly, the magnetic survey quantity sensor includes rising magnetic survey quantity sensor and declining magnetic survey quantity sensor, rises magnetic
Measurement sensor setting is magnetized in the pulse electromagnetic on unit preset distance, is declined magnetic survey quantity sensor and is arranged in the arteries and veins
Electromagnetism is rushed to magnetize under unit preset distance.
The magnetic survey quantity sensor and decline magnetic survey quantity sensor of rising can measure the raising and lowering of elevator respectively
Speed, working method and principle are all identical, but by the Double Faces to Install sensor, can further improve equipment work
Safety.
In addition, the elevator speed measuring device further includes control unit, control unit is connected to charging scraper plate and workshop is scraped
The elevator motor of plate, the elevator motor is stepper motor.
Therefore, the elevator speed measuring device using the utility model can be seen that by the above specific implementation mode, it can
It is quickly detected the exception that elevator rises or falls speed, which thereby enhances the safety of production.
In addition, can also be seen that the elevator speed measuring device using the utility model by the above specific implementation mode, adopt
With the mode of magnetic detection, this mode is contactless mode, and detection is sensitive, will not be interfered by other factors.
It should be noted that the above embodiment is only the preferable embodiment of the utility model, cannot be understood as
Limitation to scope of protection of the utility model is appointed under without departing from the utility model concept thereof to what the utility model was done
What minor variations and modifications belongs to the scope of protection of the utility model.
Claims (4)
1. a kind of feed elevator speed measuring device, the elevator speed measuring device includes programmable logic controller (PLC), two promotions
Machine tachogenerator and liquid crystal display, programmable controller two elevator tachogenerators of connection and liquid crystal display, described two
A elevator tachogenerator measures promotion or the decrease speed of the steel wire rope of connection charging scraper plate and workshop scraper plate, liquid crystal respectively
Screen shows the measurement result of two elevator tachogenerators.
2. according to the elevator speed measuring device described in claim 1, which is characterized in that described two elevator tachogenerators
Pulse electromagnetic including being spaced a predetermined distance magnetizes unit and magnetic survey quantity sensor, and the pulse electromagnetic magnetizes unit and magnetic measurement
Sensor may be contained near the steel wire rope of connection charging scraper plate or workshop scraper plate.
3. according to the elevator speed measuring device described in claim 2, which is characterized in that the magnetic survey quantity sensor includes rising
Magnetic survey quantity sensor and decline magnetic survey quantity sensor, it is predetermined in the pulse electromagnetic unit that magnetizes to rise the setting of magnetic survey quantity sensor
On distance, the setting of decline magnetic survey quantity sensor is magnetized in the pulse electromagnetic under unit preset distance.
4. according to the elevator speed measuring device described in claim 1, which is characterized in that the elevator speed measuring device further includes
Control unit, control unit are connected to the elevator motor of charging scraper plate and workshop scraper plate, and the elevator motor is stepping electricity
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122727.6U CN207844899U (en) | 2017-02-10 | 2017-02-10 | Feed elevator speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720122727.6U CN207844899U (en) | 2017-02-10 | 2017-02-10 | Feed elevator speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207844899U true CN207844899U (en) | 2018-09-11 |
Family
ID=63424659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720122727.6U Active CN207844899U (en) | 2017-02-10 | 2017-02-10 | Feed elevator speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207844899U (en) |
-
2017
- 2017-02-10 CN CN201720122727.6U patent/CN207844899U/en active Active
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