CN202578685U - Coal plough and plough head adjusting system thereof - Google Patents
Coal plough and plough head adjusting system thereof Download PDFInfo
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- CN202578685U CN202578685U CN 201220163656 CN201220163656U CN202578685U CN 202578685 U CN202578685 U CN 202578685U CN 201220163656 CN201220163656 CN 201220163656 CN 201220163656 U CN201220163656 U CN 201220163656U CN 202578685 U CN202578685 U CN 202578685U
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- hydraulic
- planer head
- adjustment system
- actuator port
- hydraulic jack
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Abstract
The utility model provides a coal plough and plough head adjusting system thereof. The plough head adjusting system comprises a linear drive element, a dip angle sensor and a controller, wherein a first end of the linear drive element is arranged on a baffle of the coal plough, and the second end of the linear drive element is arranged on a pushing rod of a hydraulic frame. A scraper conveyer is disposed on the pushing rod of the hydraulic frame in a swing mode. The dip angle sensor is used for detecting dip angle information of the linear drive element or the plough head. The controller is connected with the dip sensor in communicating mode, and controls the linear drive element to stretch and contract according to the dip angle information of the dip angle sensor. The controller controls the linear drive element to stretch and contract according to dip angles so as to adjust angles of the scraper conveyer and the plough head, improves coal mining efficiency of the coal plough, and has the advantages of being high in automation degree, reliable in structure, and good in stability.
Description
Technical field
The utility model relates generally to Coal Mechanical and Hydraulic Field, particularly a kind of coal plough planer head Adjustment System, and the coal plough that comprises this planer head Adjustment System.
Background technology
At present, along with the demand of coal industry thin seam mining, occurred a kind of: coal plough with the coal-cutting machinery of planer head as operating mechanism.Coal plough is in the colliery during underground work, can only rely on the frictional force could passive coal mining in the planer head back that contact with rib.Because irregular, the work plane of rib is uneven, cause scraper plate machine and the ground certain inclination angle of generation, " gnawing the end " perhaps " cutter wafts " phenomenon often appears in planer head, can not carry out effective coal mining activity.
Now in the technology; Planer head is mounted on the scraper plate machine, and planer head can not independently be adjusted angle, can only rely on the inclination angle of artificial adjustment scraper plate machine; Could change the planer head angle; Do the angle that not only can accurately not adjust planer head like this, and labor strength is big, labour cost is high, has had a strong impact on the coal mining efficient of coal plough.
Along with the continuous development of China's underground mining cause, increase the increasing demand of coal plough the job site, also increasingly high to its performance demands.Therefore, how a kind of coal plough planer head that can adapt to irregular of rib automatically being provided, to satisfy user's demand increasing to coal plough, is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
The utility model aims to provide a kind of coal plough planer head Adjustment System, and this system can adjust the position of planer head automatically, to adapt to irregular of rib, reduces labour intensity and labour cost, improves the coal mining efficient of coal plough.
The coal plough planer head Adjustment System of the utility model comprises:
Orthoscopic driver part, first end of said orthoscopic driver part are arranged on the baffle plate of coal plough, second end is arranged on the hydraulic support pusher rod, and scratch board conveyor is arranged on the said hydraulic support pusher rod swingably;
Obliquity sensor, said obliquity sensor are used to detect the obliquity information of said orthoscopic driver part or planer head;
Controller, said controller are communicated by letter with said obliquity sensor and are connected, and according to the obliquity information of said obliquity sensor, control said orthoscopic driver part and carry out expanding-contracting action.
Further, said orthoscopic driver part is a hydraulic jack, and said hydraulic jack comprises cylinder barrel and piston rod.
Further, also comprise:
Reversal valve; Said reversal valve is connected with said controller, and comprises first actuator port and second actuator port, and said controller is controlled said electro-hydraulic reversing valve and realized first state and second state at least; At said first state, the first actuator port oil-feed, the second actuator port oil return; At said second state, the first actuator port oil return, the second actuator port oil-feed.
Further, also comprise:
Bidirectional hydraulic lock; Said bidirectional hydraulic lock is connected between said hydraulic jack and the said reversal valve; The interface of said bidirectional hydraulic lock first side connects first actuator port and second actuator port respectively, and two locking interfaces of said bidirectional hydraulic lock second side connect the rod chamber and the rodless cavity of hydraulic jack respectively.
Further, also comprise:
Safety valve, said safety valve are arranged on the oil circuit from said reversal valve to said hydraulic jack, and the oil pressure on this oil circuit is during greater than the opening pressure of said safety valve, and hydraulic oil gets into fuel tank through said safety valve.
Further, the cylinder barrel end of said hydraulic jack is arranged on the baffle plate of said coal plough, tailpiece of the piston rod is arranged on the said hydraulic support pusher rod.
Further, said hydraulic support pusher rod and said scratch board conveyor are hinged through bearing pin.
Further, said hydraulic jack is set side by side with 4～6, said each hydraulic jack synchronization action.
Another aspect of the utility model also provides a kind of coal plough, and this coal plough comprises aforesaid coal plough planer head Adjustment System.
The utility model is through the obliquity information of obliquity sensor feedback orthoscopic driver part or planer head, and controller carries out extension and contraction control according to the inclination angle size to the orthoscopic driver part, and then the angle of adjustment scraper plate machine and planer head.Compared with prior art, the utility model can guarantee that planer head is positioned at best coal mining position all the time, has improved the coal mining efficient of coal plough, and has the high advantage of automaticity; In addition, the bidirectional hydraulic lock of the utility model has guaranteed the location and the pressurize of oil cylinder, and safety valve has avoided the overload of oil cylinder to damage, and has the advantage of reliable in structure, good stability.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall structure sketch map of the coal plough planer head Adjustment System of the utility model one embodiment;
Fig. 2 is the hydraulic schematic diagram of the coal plough planer head Adjustment System of the utility model one embodiment;
Fig. 3 is the structural representation of the coal plough of the utility model one embodiment.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Figure 1 is the overall structure sketch map of the coal plough planer head Adjustment System of the utility model one embodiment.Can find out that from this figure the planer head Adjustment System of the utility model comprises orthoscopic driver part 1, obliquity sensor 5 and controller 6 at least.
Wherein first end of orthoscopic driver part 1 is arranged on the baffle plate 2 of coal plough, second end is arranged on the hydraulic support pusher rod 3; Scratch board conveyor 4 is arranged on the said hydraulic support pusher rod 3 swingably, thereby can between orthoscopic driver part 1, hydraulic support pusher rod 3 and scratch board conveyor 4, form the triangle of a sealing.When view shown in Figure 1, when this orthoscopic driver part 1 stretched out, scratch board conveyor 4 presented " having a down dip " state with respect to hydraulic support pusher rod 3 counter-clockwise swings; When this orthoscopic driver part 1 withdrawal, scratch board conveyor 4 is swung with respect to hydraulic support pusher rod 3 clockwise, presents " facing upward " state.
Orthoscopic driver part 1 can be the executing agency of various machineries, air pressure, hydraulic pressure or electric driving, and the utility model is not limited to this.Preferably, orthoscopic driver part 1 is a hydraulic jack, and hydraulic jack comprises cylinder barrel and piston rod.In the embodiment shown in fig. 1, the cylinder barrel end of hydraulic jack is arranged on the baffle plate 2 of coal plough, tailpiece of the piston rod is arranged on the hydraulic support pusher rod 3.Should be understood that, on the contrary, be arranged at 2 last times of baffle plate of coal plough, can realize the technique effect of the utility model equally at its tailpiece of the piston rod.The flexible of hydraulic jack controlled by the oil-feed oil return of its working chamber.
Need to prove that hydraulic support pusher rod 3 can be hinged through bearing pin with scratch board conveyor 4, also can be other articulated manner.The cylinder barrel end of aforementioned hydraulic oil cylinder and tailpiece of the piston rod can carry out hinged through the ball pin with corresponding parts.In addition, the hydraulic jack of the utility model can be provided with one or more, and preferably, hydraulic jack is set side by side with 4～6, each hydraulic jack synchronization action.More preferably, the quantity of hydraulic jack is shown in Figure 25.
Further; For the piston rod with hydraulic jack stably is locked at the optional position; The utility model also comprises bidirectional hydraulic lock 8; Bidirectional hydraulic lock 8 is connected between hydraulic jack and the reversal valve 7, and the interface of bidirectional hydraulic lock 8 first sides connects first actuator port and second actuator port respectively, and two locking interfaces of bidirectional hydraulic lock 8 second sides connect the rod chamber and the rodless cavity of hydraulic jack respectively.
The interface of bidirectional hydraulic lock 8 first sides comprises first interface and second interface, and during greater than the locking pressure of bidirectional hydraulic lock 8, second interface begins oil return at the input pressure of first interface; During greater than locking pressure, first interface begins oil return at the input pressure of second interface.One way valve guarantees unidirectional move of hydraulic oil from outside oil circuit to hydraulic jack, thereby with the piston rod locking of hydraulic jack, has guaranteed the location and the pressurize of oil cylinder.
In addition; Overload for fear of oil cylinder is damaged, and the utility model can also comprise safety valve 9, and safety valve 9 is arranged on the oil circuit from reversal valve 7 to hydraulic jack; Oil pressure on this oil circuit is during greater than the opening pressure of safety valve 9, and hydraulic oil gets into fuel tanks through safety valve 9.When causing oil pressure in the working chamber excessive because of reasons such as external applied loads, can reach the purpose of release through automatic unlatching safety valve 9.This safety valve 9 can be an overflow valve.
The operating principle of the aforesaid planer head Adjustment System of the utility model is following:
During the coal plough operate as normal, hydraulic jack and horizontal plane have certain inclination angle scope, when " gnawing the end " appears in planer head 10; The inclination angle of hydraulic jack and horizontal plane is passed to controller 6 to signal less than the operate as normal setting value through obliquity sensor 5, and controller 6 is according to dip angle signal controlled hydraulic system feed flow; Make hydraulic jack be in retracted mode; Because the baffle plate 2 of oil cylinder and coal plough is hinged through bearing pin, oil cylinder shrinks, and the scraper plate machine manifests " facing upward " state; Thereby regulate the inclination angle of planer head 10, change " gnawing the end " situation;
When " cutter wafts " appearred in planer head 10, the inclination angle of hydraulic jack and horizontal plane was passed to controller 6 to signal greater than the operate as normal setting value through obliquity sensor 5; Controller 6 makes hydraulic jack be in the state of stretching out according to dip angle signal controlled hydraulic system feed flow, because the baffle plate 2 of oil cylinder and scraper plate machine is hinged through bearing pin; Oil cylinder stretches out; The scraper plate machine manifests " having a down dip " state, thereby regulates the inclination angle of planer head 10, changes " cutter wafts " situation.
Except aforementioned planer head Adjustment System, the utility model also provides a kind of coal plough that comprises aforementioned planer head Adjustment System.Represented the relative position relation between this planer head Adjustment System and planer head 10, scratch board conveyor 4, the hydraulic support 30 in the view as shown in Figure 3.Other structure of this coal plough is with reference to prior art, and this paper repeats no more at this.
In sum, the utility model is through the obliquity information of obliquity sensor 5 feedback orthoscopic driver parts 1 or planer head 10, and controller carries out extension and contraction control according to the inclination angle size to orthoscopic driver part 1, and then the angle of adjustment scraper plate machine and planer head 10.Compared with prior art, the utlity model has following advantage:
1) automaticity is high
When the utility model " gnawing the end " occurred when planer head 10, controller 6 can be controlled orthoscopic driver part 1 and carry out contractive action, and the scraper plate machine presents the state of facing upward, and changes " gnawing the end " situation; When " cutter wafts " appearred in planer head 10, controller 6 can be controlled orthoscopic driver part 1 and stretch out action, and the scraper plate machine presents the state of having a down dip, and changed " cutter wafts " situation; The utility model can guarantee that planer head 10 is positioned at best coal mining position all the time, has improved the coal mining efficient of coal plough, and has the high advantage of automaticity.
2) good reliability
The bidirectional hydraulic lock 8 of the utility model can stably be locked at the optional position with the piston rod of hydraulic jack, has guaranteed the location and the pressurize of oil cylinder; In addition, the utility model can also be when causing oil pressure in the working chamber excessive because of reasons such as external applied loads, reaches the purpose of release through automatic unlatching safety valve 9, avoided the overload of oil cylinder to damage.Therefore, the utility model also has the advantage of reliable in structure, good stability.
Therefore, the beneficial effect of the utility model is conspicuous.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. a coal plough planer head Adjustment System is characterized in that, comprising:
Orthoscopic driver part (1), first end of said orthoscopic driver part (1) are arranged at that the baffle plate (2) of coal plough is gone up, second end is arranged on the hydraulic support pusher rod (3), and scratch board conveyor (4) is arranged on the said hydraulic support pusher rod (3) swingably;
Obliquity sensor (5), said obliquity sensor (5) are used to detect the obliquity information of said orthoscopic driver part (1) or planer head (10);
Controller (6), the communication of said controller (6) and said obliquity sensor (5) is connected, and according to the obliquity information of said obliquity sensor (5), controls said orthoscopic driver part (1) and carry out expanding-contracting action.
2. planer head Adjustment System according to claim 1 is characterized in that, said orthoscopic driver part (1) is a hydraulic jack, and said hydraulic jack comprises cylinder barrel and piston rod.
3. planer head Adjustment System according to claim 2 is characterized in that, also comprises:
Reversal valve (7); Said reversal valve (7) is connected with said controller (6); And comprise first actuator port and second actuator port; Said controller (6) is controlled said electro-hydraulic reversing valve (7) and is realized first state and second state at least, at said first state, and the first actuator port oil-feed, the second actuator port oil return; At said second state, the first actuator port oil return, the second actuator port oil-feed.
4. planer head Adjustment System according to claim 3 is characterized in that, also comprises:
Bidirectional hydraulic lock (8); Said bidirectional hydraulic lock (8) is connected between said hydraulic jack and the said reversal valve (7); The interface of said bidirectional hydraulic lock (8) first sides connects first actuator port and second actuator port respectively, and two locking interfaces of said bidirectional hydraulic lock (8) second sides connect the rod chamber and the rodless cavity of hydraulic jack respectively.
5. planer head Adjustment System according to claim 3 is characterized in that, also comprises:
Safety valve (9), said safety valve (9) are arranged at from said reversal valve (7) to the oil circuit of said hydraulic jack, and the oil pressure on this oil circuit is during greater than the opening pressure of said safety valve (9), and hydraulic oil gets into fuel tank through said safety valve (9).
6. according to each described planer head Adjustment System of claim 1-5, it is characterized in that the cylinder barrel end of said hydraulic jack is arranged at that the baffle plate (2) of said coal plough is gone up, tailpiece of the piston rod is arranged on the said hydraulic support pusher rod (3).
7. according to each described planer head Adjustment System of claim 1-5, it is characterized in that said hydraulic support pusher rod (3) and said scratch board conveyor (4) are hinged through bearing pin.
8. according to each described planer head Adjustment System of claim 1-5, it is characterized in that said hydraulic jack is set side by side with 4～6, said each hydraulic jack synchronization action.
9. a coal plough is characterized in that, said coal plough comprises each described coal plough planer head Adjustment System of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163656 CN202578685U (en) | 2012-04-17 | 2012-04-17 | Coal plough and plough head adjusting system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163656 CN202578685U (en) | 2012-04-17 | 2012-04-17 | Coal plough and plough head adjusting system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578685U true CN202578685U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220163656 Expired - Fee Related CN202578685U (en) | 2012-04-17 | 2012-04-17 | Coal plough and plough head adjusting system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207123A (en) * | 2020-03-16 | 2020-05-29 | 中国煤炭科工集团太原研究院有限公司 | Synchronous control method for pushing oil cylinder of side mining transportation unit |
-
2012
- 2012-04-17 CN CN 201220163656 patent/CN202578685U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207123A (en) * | 2020-03-16 | 2020-05-29 | 中国煤炭科工集团太原研究院有限公司 | Synchronous control method for pushing oil cylinder of side mining transportation unit |
| CN111207123B (en) * | 2020-03-16 | 2022-03-08 | 中国煤炭科工集团太原研究院有限公司 | Synchronous control method for pushing oil cylinder of side mining transportation unit |
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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: 20121205 Termination date: 20160417 |