CN102042016B - Adaptive hard-rock impact rotary crushing system - Google Patents
Adaptive hard-rock impact rotary crushing system Download PDFInfo
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- CN102042016B CN102042016B CN2010105317626A CN201010531762A CN102042016B CN 102042016 B CN102042016 B CN 102042016B CN 2010105317626 A CN2010105317626 A CN 2010105317626A CN 201010531762 A CN201010531762 A CN 201010531762A CN 102042016 B CN102042016 B CN 102042016B
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Abstract
The invention belongs to coal mine tunneling and crushing machinery, in particular to an adaptive hard-rock impact rotary crushing system. The system comprises a hydraulic pump (13), a hydraulic control module (14), a hydraulic control valve (15), a hydraulic pipeline (16), a hydraulic motor (12) and a thrust hydraulic main cylinder (11); a rotating knife rest (1) is sleeved at the left end of the thrust hydraulic main cylinder (11); the thrust hydraulic main cylinder (11) and the rotating knife rest (1) are connected through a supporting pin (18); two ends of the supporting pin (18) are fixedly limited by a locking pin (17) respectively; a hob head supporting surface (1-1) and a central hole are formed on a front end face of the rotating knife rest (1); and a plurality of angle adjustable disc-shaped hobs (23) are uniformly and fixedly arranged on the hob head supporting surface (1-1) and are supported by a hob supporting bearing (21). The adaptive hard-rock impact rotary crushing system has a simple structure, light weight, low failure rate and low maintenance, and is low in cost, easy to repair and low in maintenance expense.
Description
Technical field
The invention belongs to colliery driving crushing mechanism, particularly a kind of self adaptation hard rock impact rotating crushing system.
Background technology
At present, be still main energy sources, in coal mining in coal in China; The driving task amount in tunnel is big, and the driving time is long, and the exploitation rate of fully-mechanized mining equipment directly depends on the speed of driving; Along with coal mining develops to the complicated seam direction, the hardness of development end improves constantly, and traditional development machine is in recovery process; The problem that main shaft fractures, pick damage amount big, the auxiliary driving time is grown often occurs, had a strong impact on Coal Production.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, a kind of simple in structure, safe and reliable, self adaptation hard rock impact rotating crushing system that crushing effect is good is provided.
The technical scheme that technical solution problem of the present invention adopts is: self adaptation hard rock impact rotating crushing system comprises hydraulic pump, hydraulic control module, hydraulic control valve, fluid pressure line, hydraulic motor, advancing hydraulic pressure master cylinder; Be characterized in swivelling tool-holder of left end suit of advancing hydraulic pressure master cylinder, connect with supporting pin between advancing hydraulic pressure master cylinder and the swivelling tool-holder that the locking pin fixed limit is used at the supporting pin two ends respectively; The swivelling tool-holder front end face is provided with hob head supporting surface, centre bore; Be uniformly distributed with on the hob head supporting surface and be fixed with severally, support with the hobboing cutter spring bearing, and cutter spacing adjustment controller is housed the disk cutter of adjustable angle; Be fixed with a sliding sleeve in the centre bore; The front end activity of sliding sleeve installs one and impacts the gas pricker, on the front end of impact gas pricker a hardness transducer is housed, and the right-hand member of hardness transducer connects a test module; The right side of impacting the gas pricker is fixed with a fairlead; The right side of fairlead is provided with a shock device, and the right-hand member of shock device is provided with shock device control valve, has spring to connect between shock device and the shock device control valve; The right-hand member connection pneumatic line of shock control valve is communicated on the air pump of the outer side of swivelling tool-holder sidewall, is respectively equipped with the Electromagnetic Flow control valve on the pneumatic line and impacts control module.
The invention has the beneficial effects as follows: self adaptation hard rock impact rotating crushing system has made full use of the advantage of gas impact machine and dish-type hobboing cutter, carries out the combined crushing rock, has overcome their deficiencies separately; Simple in structure, weight is light, cost is low, and the power source that needs is few, only needs to impact and drive hydraulic system two covers, has significantly reduced the installed power of complete machine, has saved energy consumption; Made full use of of the destruction of hole, center of impact during fractured rock to rock; The ability and the quality of broken rock have been improved; Dust reduces significantly; Help Safety of Coal Mine Production, utilize rock stress to concentrate the characteristic fractured rock, obviously reduced the mechanical friction loss in the shattering process, reduced the wearing and tearing of cutter; Fault rate is low, and Homes Using TV is high, and maintenance is simple, and maintenance capacity is little, and expense is low.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is that figure cuts open in the self adaptation hard rock impact rotating crushing system structure master office of looking.
Fig. 2 is the left view of Fig. 1.
Among the figure, the 1-swivelling tool-holder; 1-1-hob head supporting surface; The 2-test module; The 3-hardness transducer; 4-impacts the gas pricker; 5-shock device; 6-shock device control valve; The 7-pneumatic line; The 8-air pump; 9-impacts control module; 10-Electromagnetic Flow control valve; 11-advancing hydraulic pressure master cylinder; The 12-hydraulic motor; The 13-hydraulic pump; The 14-hydraulic control module; The 15-hydraulic control valve; The 16-fluid pressure line; The 17-locking pin; The 18-supporting pin; The 19-sliding sleeve; The 20-fairlead; 21-hobboing cutter spring bearing; The 22-centre bore; The 23-hobboing cutter; 24-cutter spacing adjustment controller;
The specific embodiment
Embodiment; With reference to accompanying drawing 1,2; The right-hand member of the hydraulic motor 12 of self adaptation hard rock impact rotating crushing system and lower end are communicated with a hydraulic control valve 15 with fluid pressure line 16 respectively; The below of hydraulic control valve 15 is communicated with a hydraulic control module 14 with fluid pressure line 16, and the below of hydraulic control module 14 connects a hydraulic pump 13 with fluid pressure line 16.The left end of hydraulic motor 12 is provided with an advancing hydraulic pressure master cylinder 11, and advancing hydraulic pressure master cylinder 11 left end headgears are adorned a swivelling tool-holder 1, connects with supporting pin 18 between advancing hydraulic pressure master cylinder 11 and the swivelling tool-holder 1, and locking pin 17 fixed limits are used at supporting pin 18 two ends respectively.Swivelling tool-holder 1 front end face is provided with hob head supporting surface 1-1, centre bore 22, is uniformly distributed with the disk cutter 23 that is fixed with 8 adjustable angles on the hob head supporting surface 1-1, supports with hobboing cutter spring bearing 21, and cutter spacing adjustment controller 24 is housed.Be fixed with a sliding sleeve 19 in the centre bore 22, the front end activity of sliding sleeve 19 installs one and impacts gas pricker 4, on the front end of impact gas pricker 4 hardness transducer 3 is housed, and the right-hand member of hardness transducer 3 connects a test module 2.The right side of impacting gas pricker 4 is fixed with a fairlead 20, and the right side of fairlead 20 is provided with a shock device 5, and the right side of shock device 5 is provided with shock device control valve 6, has spring to connect between shock device 5 and the shock device control valve 6.The right-hand member connection pneumatic line 7 of shock device control valve 6 is communicated on the air pump 8 of the outer side of swivelling tool-holder 1 sidewall, is respectively equipped with Electromagnetic Flow control valve 10 on the pneumatic line 7 and impacts control module 9.
The operating principle and the course of work of self adaptation hard rock impact rotating crushing system are: the compressed air of at first discharging through air pump 8; Pass through to impact control module 9, Electromagnetic Flow control valve 10, shock device control valve 6 driving impact rams 5 successively through pneumatic line 7; Shock device 5 impact gas prickers 4 impact gas pricker 4 impact hardness rocks.Hardness transducer 3 is gathered hardness number simultaneously, test module 2 also writes down hardness rock breaking parameter index; According to comparing with the formation hardness and the frequency parameter that impact in the control module 9; Send the signal of telecommunication through impacting control module 9; The unlatching cross section of control gas Electromagnetic Flow control valve 10, the impact velocity of control shock device 5; Control the pre-compressed spring amount of shock device control valve 6 simultaneously, the frequency of impact of control shock device 5 makes impact velocity and frequency of impact approach the resonance frequency of rock as far as possible, makes rock after overbump, forms the plastic strain district, and hardness obviously descends.The record data of test module 2 are passed to hydraulic control module 14; Hydraulic control module 14 is through the data comparison; Send signal of telecommunication control hydraulic control valve 15, hydraulic control valve 15 control hydraulic motors 12 make its rotation torque that changes swivelling tool-holder 1, simultaneously; Hydraulic control valve 15 control advancing hydraulic pressure master cylinders 11 make its thrust that changes hobboing cutter 23, and the cutting-in of adjustment hobboing cutter 23 and rock.Hydraulic control module 14 sends signal of telecommunication control cutter spacing adjustment controller 24, changes the roll extrusion angle and the lateral force of hobboing cutter 23.
This self adaptation hard rock impact rotating crushing system is specially adapted to the driving fragmentation of half coal petrography, stone head, is suitable for middle or small Coal Production.
Claims (1)
1. self adaptation hard rock impact rotating crushing system; Comprise hydraulic pump (13), hydraulic control module (14), hydraulic control valve (15), fluid pressure line (16), hydraulic motor (12), advancing hydraulic pressure master cylinder (11); A swivelling tool-holder of left end suit (1) that it is characterized in that advancing hydraulic pressure master cylinder (11) connects with supporting pin (18) between advancing hydraulic pressure master cylinder (11) and the swivelling tool-holder (1), and locking pin (17) fixed limit is used at supporting pin (18) two ends respectively; Swivelling tool-holder (1) front end face is provided with hob head supporting surface (1-1), centre bore; Be uniformly distributed with on the hob head supporting surface (1-1) and be fixed with severally, support with hobboing cutter spring bearing (21), and cutter spacing adjustment controller (24) is housed the disk cutter of adjustable angle (23); Be fixed with a sliding sleeve (19) in the centre bore; The front end activity of sliding sleeve (19) installs one and impacts gas pricker (4), on the front end of impact gas pricker (4) hardness transducer (3) is housed, and the right-hand member of hardness transducer (3) connects a test module (2); The right side of impacting gas pricker (4) is fixed with a fairlead (20); The right side of fairlead (20) is provided with a shock device (5), and the right-hand member of shock device (5) is provided with shock device control valve (6), has spring to connect between shock device (5) and the shock device control valve (6); The right-hand member connection pneumatic line (7) of shock device control valve (6) is communicated on the air pump (8) of the outer side of swivelling tool-holder (1) sidewall, is respectively equipped with Electromagnetic Flow control valve (10) on the pneumatic line (7) and impacts control module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105317626A CN102042016B (en) | 2010-10-28 | 2010-10-28 | Adaptive hard-rock impact rotary crushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105317626A CN102042016B (en) | 2010-10-28 | 2010-10-28 | Adaptive hard-rock impact rotary crushing system |
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| Publication Number | Publication Date |
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| CN102042016A CN102042016A (en) | 2011-05-04 |
| CN102042016B true CN102042016B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105317626A Expired - Fee Related CN102042016B (en) | 2010-10-28 | 2010-10-28 | Adaptive hard-rock impact rotary crushing system |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195421B (en) * | 2012-01-10 | 2015-06-10 | 刘素华 | Reciprocating impact tunnel boring machine |
| CN103388476B (en) * | 2012-05-12 | 2018-06-19 | 刘素华 | The method of anti-tamper driver part device and its anti-tamper driver part device for implementing this method |
| WO2013170628A1 (en) * | 2012-05-12 | 2013-11-21 | Liu Suhua | Small-resistance high-efficiency mining device with multiple layers of percussion heads |
| CN203905944U (en) * | 2012-12-25 | 2014-10-29 | 刘素华 | Mechanism used for detecting as well as controlling impact to protect mining machine according to detection result |
| EA030484B1 (en) * | 2013-04-12 | 2018-08-31 | Сухуа Лю | Anti-damage drive component apparatus |
| CN103512624B (en) * | 2013-08-27 | 2016-04-27 | 黑龙江科技大学 | Based on coalcutter cutting resistance method for sensing and the sensor of magnetic rheology elastic body |
| CN104047608B (en) * | 2014-05-05 | 2017-01-18 | 韩蕊琪 | Heading device for hard rock rapid heading machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509868A1 (en) * | 1984-03-24 | 1985-10-10 | NLW Fördertechnik GmbH, 4232 Xanten | Coal plough, the body of which is equipped with stripping tools and vertically adjustable bottom blades |
| US5092657A (en) * | 1990-04-10 | 1992-03-03 | Bryan Jr John F | Stratum boundary sensor for continuous excavators |
| JP3875095B2 (en) * | 2001-12-26 | 2007-01-31 | 西松建設株式会社 | Dynamic behavior detector |
| CN2744834Y (en) * | 2004-11-29 | 2005-12-07 | 董立华 | Combined excavating machine |
| CN100532784C (en) * | 2007-03-13 | 2009-08-26 | 郝忠文 | Driving head for entry-driving machine |
| CN101299013B (en) * | 2008-06-23 | 2010-09-15 | 沈阳重型机械集团有限责任公司 | Tool bit rock breaking mechanism and abrasion tester |
| CN201902208U (en) * | 2010-10-28 | 2011-07-20 | 辽宁工程技术大学 | Self-adaption hard rock impact rotary crushing system |
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| CN102042016A (en) | 2011-05-04 |
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Address after: 125100 Liaoning Technical University, 188 South Avenue, Huludao, Liaoning, Longwan Patentee after: Liaoning Technical University Address before: 123000 Zhonghua Road, Liaoning, Fuxin, China, No. 47 Patentee before: Liaoning Technical University |
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Granted publication date: 20120815 Termination date: 20141028 |
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