CN112478474A - Automatic broken device that encircles of coal bunker - Google Patents
Automatic broken device that encircles of coal bunker Download PDFInfo
- Publication number
- CN112478474A CN112478474A CN202011243750.3A CN202011243750A CN112478474A CN 112478474 A CN112478474 A CN 112478474A CN 202011243750 A CN202011243750 A CN 202011243750A CN 112478474 A CN112478474 A CN 112478474A
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- drill rod
- coal bunker
- pressure
- drilling machine
- arch breaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an automatic coal bunker arch breaking device which comprises a drilling machine, a drilling machine rack, a guide frame, a drilling rod, a clamping device, a drill bit, a sensor and a high-pressure water jet system. The invention adopts a drilling machine drill rod mode to drill downwards from the top of the coal bunker and go deep into the knot arch inside the coal bunker, the high-pressure water jet system can quickly remove the knot arch inside the coal seam, the position of a drill bit reaching the inside of the coal bunker can be accurately detected by installing a detection sensor, the installation is completely implemented by an operator at the hole at the top of the coal bunker, and the personal safety of the operator is ensured.
Description
Technical Field
The invention belongs to the technical field of coal bunker arch breaking, and particularly relates to an automatic coal bunker arch breaking device.
Background
Along with the increasing production scale of coal mining plants, the capacity of raw coal bunkers is gradually increased, the use efficiency is higher and higher, so that almost all raw coal bunkers have the problem of bin blockage in different degrees in the production and use processes and need to be frequently treated, the effect of the coal bunkers cannot be fully exerted, and the normal production is seriously influenced.
At present, the common blockage bin of a coal bin is mostly arched, so that the phenomenon of arch formation is called, the reason of arch formation has two aspects, one is that raw coal has the characteristics of adhesion and fineness, and fine raw coal particles show larger friction force and cohesive force; the other reason is that the coal bunker structure is changed, the upper part of the coal bunker structure is a cylinder, the lower part of the coal bunker structure is conical, and the flowing area of raw coal is reduced, so that the phenomenon of crowding and blocking occurs in the flowing process of the raw coal. Under the action of gravity, the coal body is pressed firmly, and after the lower part of the blocking body naturally collapses, an arch is formed.
The existing arch breaking method comprises the following steps:
1. an artificial arch breaking method: when the blockage is not serious and the blockage position is not too high, the long rod can be poked and touched to block the blockage position for arch breaking by manpower, and the mode has high labor intensity and unsatisfactory effect.
2. The method comprises the following steps of (1) dredging by using an air cannon: high-pressure gas is emitted into the bin by utilizing an air cannon which is arranged on the inner wall of the bin body in advance. But is greatly limited by the structure of the coal bunker, and the dredging position is fixed.
3. Blasting vibration dredging method: the knot arch is very firm, and the blasting is carried out by adopting manual drilling, so that a plurality of adverse results, dangerousness and production influence are obvious.
Therefore, in order to solve the problem of coal bunker arching more safely and efficiently, the invention provides an automatic coal bunker arch breaking device which is high in automation degree and good in safety.
Disclosure of Invention
In order to solve the technical problem, the invention provides an automatic coal bunker arch breaking device which can solve the problem of coal bunker arch formation more safely and efficiently.
An automatic coal bunker arch breaking device comprises a drilling machine, a drilling machine frame, a guide frame, a drill rod, a clamping device, a drill bit, a sensor and a high-pressure water jet system, wherein the drilling machine is integrally fixed on the drilling machine frame, the drilling machine frame is fixed above a hole in the top of a coal bunker, the guide frame is fixed at the lower end of the drilling machine frame and extends into the coal bunker, the clamping device is supported on the guide frame, the drilling machine comprises a hydraulic clamping mechanism, a hydraulic feeding mechanism, a driving drill rod, a rotating mechanism, a drilling machine underframe and a motor, the drill rod is connected below the driving drill rod through threads and clamps the driving drill rod through the hydraulic clamping mechanism, the hydraulic feeding mechanism and the rotating mechanism realize the precession action of the driving drill rod, the precession of the driving drill rod drives the drill rod to precess to the inside of the coal bunker, and the drill rod are, the high-pressure rubber pipe of the high-pressure water jet system sequentially penetrates through the driving drill rod and the interior of the drill rod body, the lower portion of the high-pressure rubber pipe is connected with a high-pressure gun head, the lower portion of the drill rod is connected with an external thread of the high-pressure gun head, the lower portion of the high-pressure gun head is in threaded connection with a sensor cavity, the sensor cavity is connected with a drill bit, and the sensor is placed in the.
Further, the rig frame comprises pneumatic cylinder, crossbeam, fan-shaped locating plate, safety pin and whole steel framework, the rig chassis is placed in the crossbeam top, the pneumatic cylinder is articulated with the crossbeam, and the lift through the pneumatic cylinder is used for adjusting the angle of rig, and then changes the drilling rod and creeps into the angle, be provided with the preformed hole on the fan-shaped locating plate, the safety pin carries out the fixed secondary safety protection effect that realizes of fan-shaped locating plate with the preformed hole, prevents that the pneumatic cylinder from becoming invalid and appearing the incident.
Furthermore, the guide frame comprises a steel frame, a supporting table surface and a guide cylinder, the supporting table surface is arranged above the guide cylinder, the supporting table surface and the guide cylinder are both arranged on the steel frame, the drill rod penetrates through the guide cylinder, and the clamping device is placed on the supporting table surface.
Furthermore, the high-pressure water jet system is composed of a high-pressure plunger pump, a water tank, high-pressure rubber pipes and a high-pressure gun head, wherein the water tank is connected with the high-pressure plunger pump, the high-pressure rubber pipes are directly connected with one another through rubber pipes, one end of the uppermost high-pressure rubber pipe is connected with the high-pressure plunger pump, the high-pressure rubber pipes penetrate through the driving drill rod and the interior of the drill rod, and the lowest high-pressure rubber pipe is connected with the high-pressure.
Furthermore, square grooves are formed in two ends of the drill rod, spiral blades are arranged on the rod body, and the clamping device is matched with the square grooves to clamp the drill rod.
Further, the high-pressure nozzle is arranged on the periphery side of the high-pressure gun head.
Furthermore, the sensor is composed of a sensor cavity, a closed cover, a radar emitter, a circuit board, a storage battery and a signal antenna, wherein the radar emitter, the circuit board and the storage battery are arranged in the sensor cavity, and the opening of the cavity is closed by the closed cover.
Furthermore, the material of the closed cover is glass, plastic, ceramic or nylon.
Has the advantages that: the invention has the beneficial effects that:
1) the invention adopts a drilling machine drill rod to drill downwards from the top of the coal bunker, can go deep into the knot arch inside the coal bunker, can quickly remove the knot arch inside the coal seam through a high-pressure water jet system, and has high efficiency.
2) The detection sensor is arranged at the joint of the high-pressure gun head and the drill bit, so that the position of the drill bit reaching the interior of the coal bunker can be accurately detected, the position of the drill bit reaching the arching position in the coal bunker can be accurately detected, and the cleaning condition in the coal bunker can be judged;
3) the working mode of the invention is completely implemented by the operator at the hole at the top of the coal bunker, thus ensuring the personal safety of the operator.
Drawings
FIG. 1 is a schematic structural view of an automatic arch breaking device of a coal bunker according to the present invention;
FIG. 2 is a schematic view of the structure of the drilling machine of the present invention;
FIG. 3 is a schematic diagram of the frame structure of the drilling machine of the present invention;
FIG. 4 is a schematic view of the structure of the guide frame of the present invention;
FIG. 5 is a schematic view of the drill rod structure of the present invention;
FIG. 6 is a perspective view of the clamping device of the present invention;
FIG. 7 is a perspective view of the sensor of the present invention;
FIG. 8 is a plan view of the sensor of the present invention;
FIG. 9 is a schematic structural view of a high-pressure water jet system according to the present invention;
FIG. 10 is a schematic view of a coal bunker of the present invention;
fig. 11 is a schematic structural diagram of a high-pressure gun head according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in the figure, the embodiment of the invention provides an automatic coal bunker arch breaking device, which comprises a drilling machine 1, a drilling machine frame 2, a guide frame 3, a drill rod 4, a clamping device 5, a sensor 6, a drill bit 7 and a high-pressure water jet system 8.
The drilling machine 1 consists of a hydraulic clamping mechanism 104, a hydraulic feeding mechanism 105, a main drive drill rod 103, a rotating mechanism 102, a drilling machine chassis 106 and a motor 101.
The guide frame 3 is composed of a steel frame 301, a support table surface 302 and a guide cylinder 303, the support table surface 302 is arranged above the guide cylinder 303, the support table surface and the guide cylinder are both arranged on the steel frame 301, the drill rod penetrates through the guide cylinder, and the clamping device is placed on the support table surface. When the drill rod drills obliquely, the guide cylinder can share the overturning moment of a part of the drill rod. The clamping device 5 is placed on the support table. When a new section of drill rod is connected, the drill rod and the driving drill rod need to be separated, the drill rod is separated from the driving drill rod and can fall into the coal bunker, and therefore the drill rod needs to be clamped by the clamping device, the clamping device is supported on the supporting table of the guide frame, and the new section of drill rod can be connected.
The high-pressure water jet system comprises a high-pressure plunger pump 801, a water tank 802, a high-pressure rubber pipe 803 and a high-pressure gun head 805, wherein the water tank 802 is connected with the high-pressure plunger pump 801, a plurality of high-pressure rubber pipes are connected with one another through rubber pipe straight-through 804, one end of the uppermost high-pressure rubber pipe is connected with the high-pressure plunger pump 801, the high-pressure rubber pipe penetrates through the driving drill rod and the interior of the drill rod, the low-end high-pressure rubber pipe is in threaded connection with the high-pressure gun head.
The drill rod comprises a square groove 401 and a rod body 402, the square groove 401 is arranged at two ends of the drill rod, a helical blade or a polished rod is arranged on the rod body 402, and the clamping device is matched with the square groove 401 to clamp the drill rod.
The sensor comprises sensor cavity 601, airtight cover 602, radar transmitter 603, circuit board 604, battery 605 and signal antenna 606, radar transmitter 603, circuit board 604 and battery 605 set up in the sensor cavity, and airtight cover is airtight with the cavity opening part, and the sensor can detect the regional condition of coal bunker inner space, sends the interior clearance condition of storehouse to the staff in real time. The material of the closed cover is glass, plastic, ceramic or nylon.
The bunker includes a bunker top 902, a bunker cavity 901, a bunker wall 903, and a bunker mouth 904.
The top of the guide frame 3 is fixedly connected below the drill frame cross beam 204, then the drill frame 2 is fixed right above the coal bunker hole 901, a part of the guide frame 3 structure extends into the coal bunker, in addition, the drill underframe 106 is placed above the drill frame cross beam 204, and the drill frame are fixedly connected. And then, adjusting a hydraulic cylinder 205 in a frame of the drilling machine, determining a drilling angle, inserting a safety pin 203 into a reserved hole in the fan-shaped positioning plate 202 after the angle is determined, preventing the hydraulic cylinder from losing efficacy during working and causing safety accidents, and ensuring the safety of construction.
The working principle of the drilling machine is as follows: the hydraulic clamping mechanism 104 is responsible for clamping the kelly 103, at this time, the kelly 103 can rotate along with the rotating mechanism 102, and the hydraulic feeding mechanism 105 can drive the hydraulic clamping mechanism 104 to move up and down, so as to drive the kelly to realize spiral feeding. Firstly screwing the sensor 6 on the drill bit 7, then screwing the high-pressure gun head 805 on the sensor 6, connecting the first section of high-pressure rubber hose 803 to the high-pressure gun head 805 at the moment, fixing the first section of drill rod 4 at the thread position of the outer ring of the high-pressure gun head 805, and positioning the high-pressure rubber hose 803 inside the rod body of the drill rod 4. The parts are connected in sequence from top to bottom by a drill bit 7, a sensor 6, a high-pressure gun head 805, a first section of high-pressure rubber hose 803 and a first section of drill rod 4. The connected components are connected with a driving drill rod 103 of the drilling machine 1, a hydraulic clamping mechanism 104 is made to hold the driving drill rod 103 tightly, and then a rotating mechanism 102 and a hydraulic feeding mechanism 105 are made to act, so that the drill bit 7 is screwed into the coal. When the driving drill rod 103 goes through the stroke of one drill rod length, the hydraulic feeding mechanism 105 and the rotating mechanism 102 stop working; at the moment, the clamping device 5 is placed at the square groove 401 of the drill rod to clamp the drill rod 4, the clamping device 5 is just supported on the supporting table surface 302 on the guide frame 3, the hydraulic clamping mechanism 104 is loosened, and the connection between the driving drill rod 103 and the drill rod 4 is disconnected; then, the next section of hydraulic rubber hose 803 is connected, and then the next section of drill rod 4 is connected; and (3) connecting the driving drill rod 103 with the second section of drill rod, repeating the steps, clamping the driving drill rod 103 by the hydraulic clamping mechanism 104, carrying out spiral feeding by the drilling machine 1 with the driving drill rod 103, repeating the actions until the drill bit 7 drills to the coal nozzle of the coal bunker, and finishing the drilling work.
And (3) passing the high-pressure rubber hose 803 through the active drill pipe 103 to be connected with the last section of high-pressure rubber hose 803 in the drill pipe, connecting the other end of the high-pressure rubber hose 803 with the plunger pump 801, starting the plunger pump 801, and spraying high-pressure water from a nozzle of a high-pressure gun head 805 along the high-pressure rubber hose 803 to break the arch structure in the coal bunker. After the high-pressure water is fed for a period of time, the sensor 6 returns a signal of the space area at the bottom of the coal bunker, the condition that the coal arch is broken can be known according to the returned signal, so that the cleaning position can be adjusted up and down in time, the nozzle position of the high-pressure gun head 805 is adjusted by the rising of the hydraulic feeding structure 102 of the drilling machine 1, and the area at the upper part of the arch is further cleaned. The driving drill rod transmits power to each drill rod, before each drill rod is connected, the high-pressure rubber pipe penetrates into the drill rod body, the installation is repeated, the drill rods and the high-pressure rubber pipes are drilled into the coal bunker one by one, the screwing-in is stopped until a drill bit drills a coal arch to reach a coal bunker nozzle 904, at the moment, the high-pressure water jet system starts to work, the high-pressure plunger pump is started, high-pressure water is sent to a high-pressure gun head through the high-pressure rubber pipe in the drill rod body, and the high-pressure water is collected through the high-pressure gun head to form a powerful water jet cutter to impact the coal arch. The sensor transmits the internal space condition of the coal bunker to workers in real time to judge the internal cleaning condition of the coal bunker.
When all the arch structures in the coal bunker are broken, the high-pressure water jet system 8 stops working, and the connection between the plunger pump 801 and the high-pressure rubber pipe 803 is disconnected; the step of drilling down is reversed, the hydraulic feeding mechanism 105 is moved upwards, the clamping device 5 is made to hold the drill rod 4 tightly, and then the connection between the driving drill rod 103 and the drill rod 4 is disconnected; repeating the steps until the drill bit 7 rises to the top of the coal bunker; thus, the arch cleaning work of the coal bunker is completed.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. The coal bunker automatic arch breaking device is characterized by comprising a drilling machine, a drilling machine rack, a guide frame, a drill rod, a clamping device, a drill bit, a sensor and a high-pressure water jet system, wherein the drilling machine is integrally fixed on the drilling machine rack, the drilling machine rack is fixed above a hole in the top of a coal bunker, the guide frame is fixed at the lower end of the drilling machine rack and extends into the coal bunker, the clamping device is supported on the guide frame, the drilling machine consists of a hydraulic clamping mechanism, a hydraulic feeding mechanism, a driving drill rod, a rotating mechanism, a drilling machine underframe and a motor, the drill rod is connected below the driving drill rod through threads and clamps the driving drill rod through the hydraulic clamping mechanism, the hydraulic feeding mechanism and the rotating mechanism realize the precession action of the driving drill rod, the precession of the driving drill rod drives the drill rod to precess into the coal bunker, and the driving drill rod are hollow rods, the high-pressure rubber pipe of the high-pressure water jet system sequentially penetrates through the driving drill rod and the interior of the drill rod body, the lower portion of the high-pressure rubber pipe is connected with a high-pressure gun head, the lower portion of the drill rod is connected with an external thread of the high-pressure gun head, the lower portion of the high-pressure gun head is in threaded connection with a sensor cavity, the sensor cavity is connected with a drill bit, and the sensor is placed in the.
2. The automatic coal bunker arch breaking device of claim 1, wherein: the drilling machine frame comprises pneumatic cylinder, crossbeam, fan-shaped locating plate, safety pin and whole steel framework, the drilling machine chassis is placed in the crossbeam top, the pneumatic cylinder is articulated with the crossbeam, and the lift through the pneumatic cylinder is used for adjusting the angle of rig, and then changes the drilling rod and creeps into the angle, be provided with the preformed hole on the fan-shaped locating plate, the safety pin carries out the fixed secondary safety protection effect that realizes of fan-shaped locating plate with the preformed hole, prevents that the pneumatic cylinder from becoming invalid and appearing the incident.
3. The automatic coal bunker arch breaking device of claim 1, wherein: the guide frame comprises a steel frame, a supporting table surface and a guide cylinder, the supporting table surface is arranged above the guide cylinder, the supporting table surface and the guide cylinder are both arranged on the steel frame, the drill rod penetrates through the guide cylinder, and the clamping device is placed on the supporting table surface.
4. The automatic coal bunker arch breaking device of claim 1, wherein: the high-pressure water jet system is composed of a high-pressure plunger pump, a water tank, high-pressure rubber pipes and a high-pressure gun head, wherein the water tank is connected with the high-pressure plunger pump, the high-pressure rubber pipes are directly connected with one another through rubber pipes, one end of the uppermost high-pressure rubber pipe is connected with the high-pressure plunger pump, the high-pressure rubber pipe penetrates through the driving drill rod and the interior of the drill rod, and the lowest high-pressure rubber pipe is connected with the high.
5. The automatic coal bunker arch breaking device of claim 1, wherein: square grooves are formed in two ends of the drill rod, spiral blades are arranged on the rod body, and the clamping device is matched with the square grooves to clamp the drill rod.
6. The automatic coal bunker arch breaking device of claim 1, wherein: the high-pressure nozzle is arranged on the periphery of the high-pressure gun head.
7. An automatic coal bunker arch breaking device as claimed in any one of claims 1 to 6, wherein: the sensor comprises sensor cavity, airtight cover, radar transmitter, circuit board, battery and signal antenna, radar transmitter, circuit board and battery set up in the sensor cavity, and airtight cover is airtight with the cavity opening part.
8. The automatic coal bunker arch breaking device of claim 7, wherein: the closed cover is made of glass, plastic, ceramic or nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243750.3A CN112478474B (en) | 2020-11-10 | 2020-11-10 | Automatic broken device that encircles of coal bunker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243750.3A CN112478474B (en) | 2020-11-10 | 2020-11-10 | Automatic broken device that encircles of coal bunker |
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| CN112478474A true CN112478474A (en) | 2021-03-12 |
| CN112478474B CN112478474B (en) | 2022-02-18 |
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| CN202011243750.3A Active CN112478474B (en) | 2020-11-10 | 2020-11-10 | Automatic broken device that encircles of coal bunker |
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| CN105197445A (en) * | 2015-10-20 | 2015-12-30 | 北京拓威能效技术有限公司 | Full-automatic underground coal bunker arch breaking device |
| CN206590362U (en) * | 2017-03-30 | 2017-10-27 | 陇东学院 | A kind of bunker dredging is bored with rotary digging broken arch |
| CN107814101A (en) * | 2016-09-12 | 2018-03-20 | 张建锐 | Bunker dredging is bored with rotary digging broken arch |
| CN208683586U (en) * | 2018-08-20 | 2019-04-02 | 秦皇岛华电测控设备有限公司 | Coal bunker total management system |
| CN210483535U (en) * | 2019-09-10 | 2020-05-08 | 王坤 | Coal mine geological exploration drill rod structure |
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| SU1733630A1 (en) * | 1989-12-06 | 1992-05-15 | Государственный научно-исследовательский, проектно-конструкторский и проектный угольный институт с экспериментальным заводом | Coal winning plant |
| US20040000645A1 (en) * | 2000-10-11 | 2004-01-01 | David Ramsden | Gamma-ray spectrometry |
| CN201092837Y (en) * | 2007-10-15 | 2008-07-30 | 吴祥 | Dredge special for down-hole exploring-draining borehole block-resistant hole |
| CN103274135A (en) * | 2013-06-24 | 2013-09-04 | 张井龙 | Bunker dredging machine |
| CN204297406U (en) * | 2014-12-08 | 2015-04-29 | 北京淮海电力科技有限公司 | Run coal bin canopy coal Arch-Breaking Device |
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| CN210483535U (en) * | 2019-09-10 | 2020-05-08 | 王坤 | Coal mine geological exploration drill rod structure |
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| CN112478474B (en) | 2022-02-18 |
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Address after: 579 qianwangang Road, Huangdao District, Qingdao City, Shandong Province Patentee after: SHANDONG University OF SCIENCE AND TECHNOLOGY Patentee after: Shandong Wanxiang Mining Co.,Ltd. Patentee after: Shandong Xinte energy equipment Technology Co.,Ltd. Address before: 579 qianwangang Road, Huangdao District, Qingdao City, Shandong Province Patentee before: SHANDONG University OF SCIENCE AND TECHNOLOGY Patentee before: Shandong Wanxiang Mining Co.,Ltd. Patentee before: SHANDONG XINTE MACHINERY EQUIPMENT CO.,LTD. |
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Address after: 271107 Yanzhuang Town, Jinan City, Shandong Province Patentee after: Shandong Wanxiang Mining Co.,Ltd. Patentee after: SHANDONG University OF SCIENCE AND TECHNOLOGY Patentee after: Shandong Xinte energy equipment Technology Co.,Ltd. Address before: 579 qianwangang Road, Huangdao District, Qingdao City, Shandong Province Patentee before: SHANDONG University OF SCIENCE AND TECHNOLOGY Patentee before: Shandong Wanxiang Mining Co.,Ltd. Patentee before: Shandong Xinte energy equipment Technology Co.,Ltd. |
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