CN207117152U - A kind of fully mechanized mining powerful device overloads pre-alarm protection device - Google Patents
A kind of fully mechanized mining powerful device overloads pre-alarm protection device Download PDFInfo
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- CN207117152U CN207117152U CN201720676178.7U CN201720676178U CN207117152U CN 207117152 U CN207117152 U CN 207117152U CN 201720676178 U CN201720676178 U CN 201720676178U CN 207117152 U CN207117152 U CN 207117152U
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- Prior art keywords
- alarm
- electrically connected
- shell
- protection device
- mechanized mining
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Abstract
The utility model discloses a kind of fully mechanized mining powerful device to overload pre-alarm protection device; including hydraulic support; chute is located at the opposite side of shell; production is installed in chute and slips motor; cable is provided with cable trough, main frame is electrically connected with by control line and alarm protecting apparatus, and alarm protecting apparatus is electrically connected with by control line and digital current sensor; digital current sensor slips motor by control line and production and shell switch is electrically connected with, and shell switch and phase shifting transformer are electrically connected with.This fully mechanized mining powerful device overloads pre-alarm protection device; digital current sensor can detect the electric current on load side line; electric current after detection is sent on alarm protecting apparatus; setting alarming value and real-time current value are compared, alarm protecting apparatus detects the excessive alarm of device current, shell switch trip; unit speed is controlled to reduce coal amount; load is reduced, reduces motor operating current, to ensure normal production.
Description
Technical field
Coal Mining Technology field is the utility model is related to, especially a kind of fully mechanized mining powerful device overload pre-alarm protection
Device.
Background technology
During fully-mechanized mining working coal cutting, coal amount is big, and air entering and returning lane drop is big etc., easily causes production to slip overload overload
Phenomenon, can not substantially observe motor control switch size of current, often cause production to slip motor overload overload,
Cause higher level's switch trip, motor burns out or piled with coal when serious, causes production to slip and is again started up difficulty, it is necessary to manual cleaning coal
It can be restarted after amount, constrain the labor intensity that production efficiency also increases worker.
At present, the switches such as used shell switch, phase shifting transformer are slipped in heating fully-mechanized mining equipment production now, when equipment operation is electric
When stream reaches its setting valve, facility switching or higher level, which move to become, switchs automatic breaking, it is impossible to realizes the function of pre-alarm, fully mechanized mining is big
Power apparatus overloads pre-alarming device mainly for solving to make production slip load to transfinite, lead because coal amount is big in fully-mechanized mining working
Cause burns out motor or is again started up the situation that difficulty etc. can not be produced normally.
Utility model content
The purpose of this utility model is to provide a kind of fully mechanized mining powerful device overload pre-alarm protection device have reduction
Load, reduce motor operating current and to ensure normal the advantages of producing, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of fully mechanized mining powerful device overload forecast
Alert protection device, including hydraulic support, one end of the hydraulic support are connected with support frame, the bottom connection of hydraulic support
There are the first hydraulic stem and anchor chain；The side of support frame as described above is provided with the second hydraulic stem, the first hydraulic stem and the second hydraulic stem end
End is respectively connected with hydraulic pressure assistant support；The bottom of the anchor chain is connected with attachment means, and attachment means are by cable trough, chute and shell
Composition, cable trough are located at the interior side of shell, and chute is located at the opposite side of shell, and production is provided with chute and slips motor, electricity
Cable is provided with cable groove, cable is electrically connected with protection device；The protection device is filled by digital current sensor, alarm and protection
Put, main frame, shell switch and phase shifting transformer composition, main frame are electrically connected with by control line and alarm protecting apparatus, alarm guarantor
Protection unit is electrically connected with by control line and digital current sensor, and digital current sensor slips motor by control line and production
Switch and be electrically connected with shell, shell switch and phase shifting transformer are electrically connected with.
As further program of the utility model：First hydraulic stem and the second hydraulic stem are respectively connected with control cabinet,
Control cabinet and shell switch are electrically connected with.
As further program of the utility model：Sound broadcasting device, sound broadcasting device are installed on the main frame
It is electrically connected with alarm protecting apparatus.
As further program of the utility model：The production is slipped between motor and shell switch by load side line electricity
Property connection, be electrically connected with digital current sensor and load side line.
Compared with prior art, the utility model beneficial effect：
This fully mechanized mining powerful device overloads pre-alarm protection device, passes through main frame voice reporting in time when reaching alarming value
Alert, digital current sensor can detect the electric current on load side line, and the electric current after detection is sent on alarm protecting apparatus, alarm
Protection device will set alarming value and real-time current value compares, and alarm protecting apparatus detects the excessive alarm of device current,
Shell switch trip, fully mechanized mining powerful device overload pre-alarming device, according to set shell switch size of current come weighing device
Payload, set alarming value in advance, control unit speed reduces coal amount, reduces load, reduces motor operating current, with
Ensure normal production.
Brief description of the drawings
Fig. 1 is Facad structure figure of the present utility model；
Fig. 2 is circuit connection diagram of the present utility model.
In figure：1- hydraulic supports；11- support frames；The hydraulic stems of 12- first；13- anchor chains；The hydraulic stems of 2- second；3- hydraulic pressure pairs
Support；4- attachment means；41- cable troughs；411- cables；42- chutes；43- shells；Motor is slipped in 5- productions；6- protection devices；
61- digital current sensors；62- alarm protecting apparatus；63- main frames；64- shells switch；65- phase shifting transformers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1-2, in the utility model embodiment, a kind of fully mechanized mining powerful device overloads pre-alarm protection device,
Including hydraulic support 1, one end of hydraulic support 1 is connected with support frame 11, and support frame 11 can be around hydraulic support 1 and support frame
Rotated centered on 11 junction, the bottom of hydraulic support 1 is connected with the first hydraulic stem 12 and anchor chain 13；The side of support frame 11
Second hydraulic stem 2 is installed, the first hydraulic stem 12 and the end of the second hydraulic stem 2 are respectively connected with hydraulic pressure assistant support 3, hydraulic pressure assistant support
On the ground, the first hydraulic stem 12 and the second hydraulic stem 2 are respectively connected with control cabinet, and control cabinet and shell switch 64 are electrical for 3 installations
Connection；The bottom of anchor chain 13 is connected with attachment means 4, and attachment means 4 are made up of cable trough 41, chute 42 and shell 43, cable
Groove 41 is located at the interior side of shell 43, and chute 42 is located at the opposite side of shell 43, and production is provided with chute 42 and slips motor 5,
Cable 411 is provided with cable trough 41, cable 411 is electrically connected with protection device 6；Protection device 6 by digital current sensor 61,
Alarm protecting apparatus 62, main frame 63, shell switch 64 and phase shifting transformer 65 are formed, and voice broadcast dress is provided with main frame 63
To put, sound broadcasting device and alarm protecting apparatus 62 are electrically connected with, when reaching alarming value in time by the audio alert of main frame 63,
Prompting working face operating personnel control unit speed to reduce coal amount, and main frame 63 is electrical by control line and alarm protecting apparatus 62
Connect, alarming value is set on alarm protecting apparatus 62, alarm protecting apparatus 62 passes through control line and the electricity of digital current sensor 61
Property connection, digital current sensor 61 slips motor 5 by control line and production and shell switch 64 is electrically connected with, and motor is slipped in production
It is electrically connected with by load side line between 5 and shell switch 64, is electrically connected with digital current sensor 61 and load side line, number
Word current sensor 61 can detect the electric current on load side line, and the electric current after detection is sent on alarm protecting apparatus 62, alarm
Protection device 62 will set alarming value and real-time current value compares, and shell switch 64 and phase shifting transformer 65 are electrically connected with, and are reported
Alert protection device 62 detects the excessive alarm of device current, the tripping operation of shell switch 64, for such case of coal-face,
Pre-alarming device is overloaded using fully mechanized mining powerful device, it is big come the load of weighing device according to the size of current of shell switch 64
It is small, alarming value is set in advance, is controlled unit speed to reduce coal amount, is reduced load, reduces motor operating current, it is normal to ensure
Production.
In summary；This fully mechanized mining powerful device overloads pre-alarm protection device, passes through master in time when reaching alarming value
The audio alert of machine 63, digital current sensor 61 can detect the electric current on load side line, and the electric current after detection is sent to alarm and protected
On protection unit 62, alarm protecting apparatus 62 will set alarming value and real-time current value compares, and alarm protecting apparatus 62 detects
The excessive alarm of device current, the tripping operation of shell switch 64, fully mechanized mining powerful device overload pre-alarming device, switched according to shell is set
64 size of current carrys out the payload of weighing device, sets alarming value in advance, controls unit speed to reduce coal amount, reduces negative
Lotus, reduce motor operating current, to ensure normal production.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of fully mechanized mining powerful device overloads pre-alarm protection device, including hydraulic support（1）, it is characterised in that：The liquid
Press support（1）One end be connected with support frame（11）, hydraulic support（1）Bottom be connected with the first hydraulic stem（12）And anchor
Chain（13）；Support frame as described above（11）Side the second hydraulic stem is installed（2）, the first hydraulic stem（12）With the second hydraulic stem（2）
End is respectively connected with hydraulic pressure assistant support（3）；The anchor chain（13）Bottom be connected with attachment means（4）, attachment means（4）By electricity
Cable groove（41）, chute（42）And shell（43）Composition, cable trough（41）It is located at shell（43）Interior side, chute（42）It is located at
Shell（43）Opposite side, chute（42）Production is inside installed and slips motor（5）, cable trough（41）It is interior to be provided with cable（411）, cable
（411）It is electrically connected with protection device（6）；The protection device（6）By digital current sensor（61）, alarm protecting apparatus
（62）, main frame（63）, shell switch（64）And phase shifting transformer（65）Composition, main frame（63）Filled by control line and alarm and protection
Put（62）It is electrically connected with, alarm protecting apparatus（62）Pass through control line and digital current sensor（61）It is electrically connected with, numeral electricity
Flow sensor（61）Motor is slipped by control line and production（5）Switched with shell（64）It is electrically connected with, shell switch（64）And shifting
Dynamic transformer（65）It is electrically connected with.
A kind of 2. fully mechanized mining powerful device overload pre-alarm protection device according to claim 1, it is characterised in that：It is described
First hydraulic stem（12）With the second hydraulic stem（2）It is respectively connected with control cabinet, control cabinet and shell switch（64）It is electrically connected with.
A kind of 3. fully mechanized mining powerful device overload pre-alarm protection device according to claim 1, it is characterised in that：It is described
Main frame（63）On sound broadcasting device, sound broadcasting device and alarm protecting apparatus are installed（62）It is electrically connected with.
A kind of 4. fully mechanized mining powerful device overload pre-alarm protection device according to claim 1, it is characterised in that：It is described
Motor is slipped in production（5）Switched with shell（64）Between be electrically connected with by load side line, digital current sensor（61）And load
It is electrically connected with side line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676178.7U CN207117152U (en) | 2017-06-11 | 2017-06-11 | A kind of fully mechanized mining powerful device overloads pre-alarm protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676178.7U CN207117152U (en) | 2017-06-11 | 2017-06-11 | A kind of fully mechanized mining powerful device overloads pre-alarm protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117152U true CN207117152U (en) | 2018-03-16 |
Family
ID=61593411
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720676178.7U Expired - Fee Related CN207117152U (en) | 2017-06-11 | 2017-06-11 | A kind of fully mechanized mining powerful device overloads pre-alarm protection device |
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| CN (1) | CN207117152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590823A (en) * | 2024-01-19 | 2024-02-23 | 江苏聚由新材料科技有限公司 | Control system and control method based on safe production |
-
2017
- 2017-06-11 CN CN201720676178.7U patent/CN207117152U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590823A (en) * | 2024-01-19 | 2024-02-23 | 江苏聚由新材料科技有限公司 | Control system and control method based on safe production |
| CN117590823B (en) * | 2024-01-19 | 2024-03-26 | 江苏聚由新材料科技有限公司 | Control system and control method based on safe production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |