CN205778862U - There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function - Google Patents
There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function Download PDFInfo
- Publication number
- CN205778862U CN205778862U CN201620603292.2U CN201620603292U CN205778862U CN 205778862 U CN205778862 U CN 205778862U CN 201620603292 U CN201620603292 U CN 201620603292U CN 205778862 U CN205778862 U CN 205778862U
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- pick
- matrix
- blind hole
- pipe joint
- box
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Abstract
There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function, including pick box, pick set it is fixed with on pick box, along being equipped with pick matrix in pick set, the outer face of pick matrix is provided with tooth head, it is provided with centring ring in the middle part of pick matrix, pick matrix inner face is provided with the first blind hole in the axial direction, pick set inner face is provided with the second blind hole in the axial direction, the first pipe joint it is provided with at the aperture of the first blind hole, the second pipe joint it is provided with at the aperture of the second blind hole, first pipe joint and the second pipe joint are respectively equipped with the first oil pressure sensor and the second oil pressure sensor.Pick box top is provided with capacitive approach switch, and centring ring is provided with detection head.This utility model can detect that pick matrix does not rotates or rotation time is spaced too long of signal in the course of the work, thus prevents pick matrix and the eccentric wear of tooth head, changes in time, and then reduces construction cost, improves the work efficiency of coal excavation apparatus.
Description
Technical field
This utility model belongs to mining machinery technical field, especially relates to one and has abrasion detection and Rotating speed measring merit
The coal winning machine cutting bit device of energy.
Background technology
In the prior art, the pick of coal-winning machine mainly includes pick box, pick set, pick matrix and jump ring, pick base
External end is provided with hard-metal insert head, and pick matrix underpart periphery is provided with jump-ring slot, and pick matrix is plugged in pick overlaps also
Being positioned by the jump ring being located in jump-ring slot, pick matrix is freely rotatable in pick overlaps.
During pick matrix and pick are enclosed within cut rock, coal seam, failure mode mainly has two kinds of situations: one is to cut
Tooth matrix and the abrasion of hard-metal insert head thereof, owing to hard alloy head is to be mounted on the outer face of pick matrix, along with
During cutting units turns over, hard-metal insert head there will be situation about coming off, and causes digging efficiency to be remarkably decreased；Another kind is
Pick box and pick set abrasion, it is impossible to provide for pick matrix and effectively support；The third is that pick matrix can not in pick overlaps
Flexible rotating, causes pick matrix and the eccentric wear of hard-metal insert head, and then digging efficiency is remarkably decreased.Due to coal mining activity
Special environment makes the abrasion of pick matrix and pick set sometimes be difficult to be found in time, if the pick matrix lost efficacy and pick
Set can not be changed in time, the most easily causes the abnormal damage of winning machine cutting part, and then affects the work efficiency of coal excavation apparatus.
Utility model content
In place of this utility model is in order to solve the deficiencies in the prior art, it is provided that a kind of simple in construction, anti-wear performance be strong, can
Detect the rotary state of pick matrix in time and change pick in time, can effectively protect injury-free the having of winning machine cutting part
The coal winning machine cutting bit device of abrasion detection and rotary test speed function.
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that have abrasion detection and rotating speed inspection
The coal winning machine cutting bit device of brake, including pick box, pick box is fixed with pick set, along being equipped with pick in pick set
Matrix, pick matrix is provided with the jump-ring slot being positioned within pick set, is arranged with and overlaps inwall snap-fit engagement with pick in jump-ring slot
Jump ring, the outer face of pick matrix is provided with mounting groove in the axial direction, is fixed with and protrudes from outside mounting groove in mounting groove
Tooth head, in the middle part of pick matrix, external peripheral surface is provided with the centring ring of annular, and the inner face of pick matrix is the most at least
Being provided with first blind hole, the bottom of the first blind hole is adjacent to the bottom of mounting groove, and the inner face of pick set is the most at least
It is provided with second blind hole, at the aperture of the first blind hole, is provided with the first pipe joint, be provided with the second pipe at the aperture of the second blind hole and connect
Head, the first pipe joint and the second pipe joint are connected with the hydraulic system of coal-winning machine by the first oil pipe and the second oil pipe respectively, the
One pipe joint is provided with the first oil pressure sensor of oil pressure in monitoring the first blind hole, and the second pipe joint is provided with for monitoring
Second oil pressure sensor of oil pressure in second blind hole；
Pick box top is provided with and is positioned at exposed mounting box below the pick matrix outside pick set, along footpath on centring ring
Offer detection groove to direction, in detection groove, be inlaid with the detection head being made up of nonmetallic materials, detection head outer surface and location
Circle surface flushes or is depressed in detection groove, is provided with support in mounting box, and support is provided with capacitive approach switch, mounting box
The transparency cover being provided with between capacitive approach switch and centring ring, the sensitive surface of capacitive approach switch passes through transparency cover
Towards centring ring, being provided with the most penetrating through wires hole in pick box, through wires hole upper end is internal with mounting box to be connected, and wears in through wires hole
Being provided with signal control line, signal control line upper end is connected with capacitive approach switch.
Mounting groove is column type groove, and mounting groove inwall is provided with female thread, and tooth head external peripheral surface is provided with external screw thread, tooth head spiral shell
Fix in stricture of vagina is connected to mounting groove and by the way of soldering with pick matrix and be connected.
Using technique scheme, first, the first oil pressure sensor and the second oil pressure sensor are by data signal line even
Receiving in the control system of coal-winning machine, capacitive approach switch is connected to the control system of coal-winning machine by described signal control line
On system.
Operation principle of the present utility model is: during pick matrix and pick are enclosed within cut rock and coal seam, coal-winning machine
The first blind hole of arranging to pick intrinsic silicon of hydraulic system and internal the second blind hole arranged of pick set in inject low pressure oil,
Now the first oil pressure sensor and the second oil pressure sensor detect that pressure signal is the fixed value more than zero, when pick matrix and
When pick set may wear at the first set blind hole and/or the second blind hole, low pressure oil is revealed, distress resolves, the first oil pressure sensing
Device and/or the second oil pressure sensor detect the signal that pressure is zero, are sent out by the control system of data signal alignment coal-winning machine
Go out pick matrix and/or the pick set signal that puts in place of abrasion, at this moment staff can discovery pick matrix promptly and accurately and
Pick set state of wear and change pick matrix and pick set, it is to avoid winning machine cutting part is the most damaged.
It addition, the pick of coal winning machine cutting bit is during cut rock and coal seam, pick matrix often rotates one week, condenser type
Proximity switch i.e. can detect that the detection in detection groove for the first time, and is transmitted to the control system of coal-winning machine by holding wire,
The rotating speed of pick matrix is calculated by receiving the time interval between twice signal.If capacitive approach switch for a long time can not
Detection head being detected, this signal is transmitted to the control system of coal-winning machine by capacitive approach switch by signal control line, adopts
Coal machine control system sends this pick matrix and does not rotates or the rotation time too long of alarm signal in interval, reminds staff to want
Change this pick in time.
Mounting box plays protection capacitive approach switch and has good working order in airtight environment, it is to avoid disliking
Bad working environment receives damage.The setting of through wires hole, makes signal control line the most exposed outside, and protection signal control line is not subject to
Damage.Detection head outer surface flushes with centring ring surface or is depressed in detection groove, so can avoid detecting head and be damaged.
Tooth head thread is connected in the mounting groove of pick matrix, and fixing with pick matrix by the way of soldering is connected,
Tooth head so can be avoided to be thrown out of after a period of operation come off, the first straight operation of tooth can be made to the bottommost of mounting groove.
It addition, can be exposed at pick matrix at exposed surface, centring ring surface and the tooth head outside pick overlaps of pick matrix
It is coated with diamond wear proof layer on outer surface, the most fully extends this utility model service life in operation process.
In sum, this utility model simple in construction, easily operated monitoring, it is possible to discovery pick matrix promptly and accurately and
The state of wear of pick set, it is to avoid the abnormal damage of winning machine cutting part, can detect pick matrix not in the course of the work
Rotate or rotation time is spaced too long of signal, thus prevent pick matrix and the eccentric wear of tooth head, avoid cutting units simultaneously
The too early eccentric wear of other pick or damage, and then reduce construction cost, improve the work efficiency of coal excavation apparatus.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As it is shown in figure 1, the coal winning machine cutting bit device with abrasion detection and rotary test speed function of the present utility model, including
Pick box 1, pick box 1 is fixed with pick set 2, and along being equipped with pick matrix 3 in pick set 2, pick matrix 3 is provided with position
In the jump-ring slot within pick set 2, it is arranged with in jump-ring slot and overlaps the jump ring 4 of 2 inwall snap-fit engagement with pick, pick matrix 3
Outer face is provided with mounting groove in the axial direction, is fixed with the tooth head 5 protruded from outside mounting groove, in pick matrix 3 in mounting groove
Portion's external peripheral surface is provided with the centring ring 6 of annular, and the inner face of pick matrix 3 is first blind at least provided with one in the axial direction
Hole 15, the bottom of the first blind hole 15 is adjacent to the bottom of mounting groove, and the inner face of pick set is in the axial direction at least provided with one article the
Two blind holes 16, are provided with the first pipe joint 17, are provided with the second pipe joint at the aperture of the second blind hole 16 at the aperture of the first blind hole 15
18, the first pipe joint 17 and the second pipe joint 18 are respectively by the first oil pipe 19 and the second oil pipe 20 and the hydraulic system of coal-winning machine
Connecting, the first pipe joint 17 is provided with the first oil pressure sensor 21 of oil pressure in monitoring the first blind hole 15, the second pipe joint
18 the second oil pressure sensors 22 being provided with oil pressure in monitoring the second blind hole 16.
Pick box 1 top is provided with and is positioned at exposed mounting box 7 below the pick matrix 3 outside pick set 2, centring ring 6
On radially offer detection groove, be inlaid with, in detection groove, the detection 8 being made up of nonmetallic materials, detect 8 appearance
Face flushes with centring ring 6 surface or is depressed in detection groove, is provided with support 9 in mounting box 7, and support 9 is provided with condenser type and connects
Nearly switch 10, mounting box 7 is provided with the transparency cover 11 between capacitive approach switch 10 and centring ring 6, capacitive proximity
The sensitive surface of switch 10 towards centring ring 6, is provided with the most penetrating through wires hole 12, through wires hole by transparency cover 11 in pick box 1
12 upper ends are internal with mounting box 7 to be connected, and is equipped with signal control line 13, signal control line 13 upper end and condenser type in through wires hole 12
Proximity switch 10 connects.
Mounting groove is column type groove, and mounting groove inwall is provided with female thread, and tooth head 5 external peripheral surface is provided with external screw thread, tooth head 5
Fix in being threaded in mounting groove and by the way of soldering with pick matrix 3 and be connected.
Pick matrix 3 is structure as a whole with centring ring 6, pick matrix 3 exposed pick set 2 outside surface, centring ring 6 table
It is coated with diamond wear proof layer 14 on face and the exposed surface outside pick matrix 3 of tooth head 5.
First, the first oil pressure sensor 21 and the second oil pressure sensor 22 are connected to the control of coal-winning machine by data signal line
In system processed, capacitive approach switch 10 is connected in the control system of coal-winning machine by described signal control line 13.
Operation principle of the present utility model is: pick matrix 3 and pick set 2, during cut rock and coal seam, are mined
The hydraulic system of machine is noted in internal the first blind hole 15 arranged of pick matrix 3 and internal the second blind hole 16 arranged of pick set 2
Entering low pressure oil, now the first oil pressure sensor 21 and the second oil pressure sensor 22 detect that pressure signal is fixing more than zero
Value, when pick matrix 3 and pick set 2 may wear at the first set blind hole 15 and/or the second blind hole 16, low pressure oil is revealed,
Distress resolves, the first oil pressure sensor 21 and/or the second oil pressure sensor 22 are detected the signal that pressure is zero, are believed by data
The signal that the control system of number alignment coal-winning machine sends pick matrix 3 and/or pick set 2 abrasion puts in place, at this moment staff's energy
Discovery pick matrix 3 and pick the most promptly and accurately overlap the state of wear of 2 and change pick matrix 3 and pick set 2, it is to avoid mine
Machine cutting units is the most damaged.
It addition, the pick of coal winning machine cutting bit is during cut rock and coal seam, pick matrix 3 often rotates one week, electric capacity
Formula proximity switch 10 i.e. can detect that the detection 8 in detection groove once, and by the control system of holding wire transmission to coal-winning machine
In system, calculate the rotating speed of pick matrix 3 by receiving the time interval between twice signal.If capacitive approach switch 10 is long
Time can not detect detection 8, and this signal is transmitted to coal-winning machine by capacitive approach switch 10 by signal control line 13
In control system, coal-winning machine control system sends this pick matrix 3 and does not rotates or the rotation time too long of alarm signal in interval,
Staff is reminded to change this pick in time.
Above example is only in order to illustrative not limiting the technical solution of the utility model, although with reference to above-described embodiment pair
This utility model has been described in detail, and it will be understood by those within the art that: without departing from essence of the present utility model
Any modification or partial replacement in god and scope, it all should be contained in the middle of right of the present utility model.
Claims (2)
1. there is the coal winning machine cutting bit device of abrasion detection and rotary test speed function, including pick box, pick box is fixed with
Pick set, along being equipped with pick matrix in pick set, pick matrix is provided with the jump-ring slot being positioned within pick set, in jump-ring slot
Being arranged with and the jump ring of pick set inwall snap-fit engagement, the outer face of pick matrix is provided with mounting groove, mounting groove in the axial direction
Inside being fixed with the tooth head protruded from outside mounting groove, in the middle part of pick matrix, external peripheral surface is provided with the centring ring of annular, and it is special
Levy and be: the inner face of pick matrix is in the axial direction at least provided with first blind hole, and the bottom of the first blind hole is neighbouring installs
The bottom of groove, the inner face of pick set, in the axial direction at least provided with second blind hole, is provided with the at the aperture of the first blind hole
One pipe joint, is provided with the second pipe joint, the first pipe joint and the second pipe joint respectively by the first oil at the aperture of the second blind hole
Pipe and the second oil pipe are connected with the hydraulic system of coal-winning machine, and the first pipe joint is provided with the of in monitoring the first blind hole oil pressure
One oil pressure sensor, the second pipe joint is provided with the second oil pressure sensor of oil pressure in monitoring the second blind hole；
Pick box top is provided with and is positioned at exposed mounting box below the pick matrix outside pick set, radially square on centring ring
To offering detection groove, in detection groove, it is inlaid with the detection head being made up of nonmetallic materials, detection head outer surface and centring ring table
Face flushes or is depressed in detection groove, is provided with support in mounting box, and support is provided with capacitive approach switch, and mounting box sets
Have the transparency cover between capacitive approach switch and centring ring, the sensitive surface of capacitive approach switch by transparency cover towards
Centring ring, is provided with the most penetrating through wires hole in pick box, through wires hole upper end is internal with mounting box to be connected, and is equipped with in through wires hole
Signal control line, signal control line upper end is connected with capacitive approach switch.
The coal winning machine cutting bit device with abrasion detection and rotary test speed function the most according to claim 1, its feature exists
In: mounting groove is column type groove, and mounting groove inwall is provided with female thread, and tooth head external peripheral surface is provided with external screw thread, and tooth head thread is even
Fix in being connected on mounting groove and by the way of soldering with pick matrix and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603292.2U CN205778862U (en) | 2016-06-20 | 2016-06-20 | There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603292.2U CN205778862U (en) | 2016-06-20 | 2016-06-20 | There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778862U true CN205778862U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603292.2U Expired - Fee Related CN205778862U (en) | 2016-06-20 | 2016-06-20 | There is the coal winning machine cutting bit device of abrasion detection and rotary test speed function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343435A (en) * | 2018-03-30 | 2018-07-31 | 北京力信德华科技有限公司 | It is a kind of that there is the coalcutter for drawing running part double protecting device and its guard method |
-
2016
- 2016-06-20 CN CN201620603292.2U patent/CN205778862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343435A (en) * | 2018-03-30 | 2018-07-31 | 北京力信德华科技有限公司 | It is a kind of that there is the coalcutter for drawing running part double protecting device and its guard method |
| CN108343435B (en) * | 2018-03-30 | 2024-05-10 | 北京力信德华科技有限公司 | Coal mining machine with traction traveling part double protection device and protection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170620 |