CN103226078B - Mechanical rock breaking testing machine rotates broken rock device - Google Patents
Mechanical rock breaking testing machine rotates broken rock device Download PDFInfo
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- CN103226078B CN103226078B CN201310087355.4A CN201310087355A CN103226078B CN 103226078 B CN103226078 B CN 103226078B CN 201310087355 A CN201310087355 A CN 201310087355A CN 103226078 B CN103226078 B CN 103226078B
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Abstract
Mechanical rock breaking testing machine rotates broken rock device, and belong to soil test field of mechanical technique, this device is made up of three parts, control system, Hydraulic Station and mechanical part.Its main body is mechanical part, is made up of steel sample case, torque-transmitting mechanisms and a vertical force transmission mechanism.Hydraulic system is used for applying pressure to sample, and comprise 1 oil motor and 1 Hydraulic Station, control system is used for hydraulic control system and applies adjustable moment of torsion and rotating speed to sample.The sample of size, different in kind can be changed in test.
Description
Technical field
The present invention is that mechanical rock breaking testing machine rotates broken rock device, belong to the ingredient of mechanical rock breaking testing machine, when using together with mechanical rock breaking testing machine, this device can make sample rotate under cutter effect with desired speed, with the rock break-off process of simulation tunnel development machine hobboing cutter or raise-boring machine cutter, can be applicable to the rock breaking mechanism of rock tunnel(ling) machine or raise-boring machine, cutterhead optimal design, Optimizing construction and construction prediction etc., belong to soil test field of mechanical technique.
Background technology
Since the 1970s and 1980s in last century, full face rock tunnel boring machine is developed on an unprecedented scale, because having that speed of application is fast, working environment is friendly, the construction economy feature such as safely, it is more and more subject to the attention of domestic and international project circle, have been widely recognized, be more and more widely used among the subway of various countries, railway, highway, municipal administration, Hydroelectric tunnel engineering construction.
Mechanical rock breaking test, due to its powerful function, is widely used in the machinery selection of underground construction machinery excavation project, rock breaking mechanism, Optimization of Mechanical Design, Optimizing construction and mechanical execution speed and cost forecasting etc.Have three similar testing machines abroad at present, but on these testing machines, cutter can only linearly carry out brokenly rock test, does not all possess the ability that rock is broken in hobboing cutter rotary motion.In the rock tunnel(ling) machine or raise-boring machine rock break-off process of reality, cutter, under the rotarily driving of cutterhead, carries out roll extrusion along circular arc to the rock of face and breaks rock.This test unit is the broken rock device developed specially for the circumgyration incision process of rock tunnel(ling) machine, in process of the test, cutter carries out roll extrusion in the mode of circular motion to sample and breaks rock, the actual rock break-off process of more real simulation tunnel development machine or raise-boring machine cutterhead.
Summary of the invention
The present invention proposes a kind of mechanical rock breaking testing machine and rotate broken rock test, device mainly comprises electric-control system, Hydraulic Station and mechanical part.This device and mechanical rock breaking testing machine are with the use of can the rotation rock break-off process of cutter in the middle of simulation tunnel development machine or raise-boring machine practice of construction, by changing rotational speed, circumgyration incision radius and relevant operational factor, study the rock breaking mechanism of rock tunnel(ling) machine or raise-boring machine cutter, cutterhead optimal design, construction optimization and construction prediction etc., test findings has very strong directive significance to Practical Project.
In order to achieve the above object, this invention takes following technical scheme.This device comprises: electric-control system 1, Hydraulic Station 2, mechanical part 3, sample box 4, sample 5, sample baffle plate 6, adjusting bolt 7, sample box base 8, pivoting support 9, pivoting support mounting flange 10, hydraulic rotating motor mounting flange 11, hydraulic rotating motor 12, bearing counter flange 13, sample box backing plate at bottom 14; Wherein:
Electric-control system 1 is connected to Hydraulic Station 2, and Hydraulic Station 2 is connected to hydraulic rotating motor 12 by hydraulic hose, by the rotating speed of electric-control system 1 hydraulic control rotation motor 12 during test;
The wall of sample box 4 has threaded hole and through hole, adjusting bolt 7 is arranged on sample box 4 through these threaded holes and through hole, the end of the side of adjusting bolt 7 in sample box 4 is connected with sample baffle plate 6, sample 5 is close to sample baffle plate 6 and is placed, and the length that so just can be stretched in sample box 4 by regulating and controlling bolt 7 changes the size putting into sample box 4 sample 5; Hydraulic rotating motor 12 is divided into stators and rotators two parts, its stator is fixed on sample box base 8 by hydraulic rotating motor mounting flange 11, rotor is fixed by bearing counter flange 12 and sample box 4 base plate hoop, during test, stator is motionless, rotor rotates, and the moment of torsion of hydraulic rotating motor 12 is passed to the sample box 4 of top by bearing counter flange 12, thus drives sample box 4 jointly to rotate; Pivoting support 9 and pivoting support mounting flange 10 are used for the vertical force acted on above sample 5 to be delivered on sample box base 8, just make hydraulic rotating motor 12 not bear during such test and transmit by sample the vertical load come, pivoting support 9 is divided into inside and outside two circles, outer ring is connected with sample box 4 base plate, inner ring is connected with bearing counter flange 13 upper end, and bearing counter flange 13 lower end is connected with sample box base 8; Sample box backing plate at bottom 14 is arranged at sample box 4 bottom interval, and leave enough spaces between adjacent sample box backing plate at bottom 14 and pass for suspender belt, sample is put into and taken out by convenient suspender belt at the trial;
Tool of the present invention has the following advantages:
The present invention can make sample rotate at the trial, breaks rock object to reach the rotation of cutter to sample, and the rotating speed rotated and circumgyration incision radius are all adjustable; In design, vertical load is delivered on the base of sample box, avoids hydraulic rotating motor and directly bear the vertical force come by transmission during cutter cutting sample; Can put into the variable sample of size in sample box, sample can put into taking-up easily in sample box; This apparatus design simple possible, strong operability.
Accompanying drawing explanation
Fig. 1 is the configuration diagram that mechanical rock breaking testing machine rotates broken rock device;
Fig. 2 is the front view that mechanical rock breaking testing machine rotates broken rock device;
Fig. 3 is the axis side view that mechanical rock breaking testing machine rotates broken rock device;
Fig. 4 is the sectional view that mechanical rock breaking testing machine rotates broken rock device;
In figure: 1, electric-control system, 2, Hydraulic Station, 3, mechanical part, 4, sample box, 5, sample, 6, sample baffle plate, 7, adjusting bolt, 8, sample box base, 9, pivoting support, 10, pivoting support mounting flange, 11 hydraulic rotating motor mounting flanges, 12 hydraulic rotating motors, 13 bearing counter flanges, 14, sample box backing plate at bottom.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Fig. 1 to Fig. 4:
Electric-control system 1 is connected to Hydraulic Station 2, Hydraulic Station 2 is connected to hydraulic rotating motor 12 by hydraulic hose, and Hydraulic Station 2 provides power, by the rotating speed of electric-control system 1 hydraulic control rotation motor 12 during test for hydraulic rotating motor 12, its maximum speed is 8rad/s, and peak torque is 80000Nm;
The wall of sample box 4 respectively has two groups of threaded holes and through hole, adjusting bolt 7 is arranged on sample box 4 through these threaded holes and through hole, the end of the side of adjusting bolt 7 in sample box 4 is connected with sample baffle plate 6,5, sample is close to sample baffle plate 6 and is placed, the length that just can be stretched in sample box 4 by regulating and controlling bolt 7 so at the trial changes the size putting into sample box 4 sample 5, and the maximum specimen size that can place of sample box is 1000 × 1000 × 600mm; Hydraulic rotating motor 12 is divided into stators and rotators two parts, and its stator is fixed by bolts on sample box base 8 by hydraulic rotating motor mounting flange 11, and rotor is fixed by bearing counter flange 12 bolt and sample box 4 base plate hoop; During test, stator is motionless, and rotor rotates, and the moment of torsion of hydraulic rotating motor 12 is passed to the sample box 4 of top by bearing counter flange 12, thus drives sample box 4 to rotate; Pivoting support 9 and pivoting support flange 10 are used for the vertical force acted on above sample 5 to be delivered on sample box base 8, just make hydraulic rotating motor 12 not bear during such test and transmit by sample the vertical load come, pivoting support 9 is divided into inside and outside two circles, outer ring is connected with sample box 4 base plate, inner ring is connected with bearing counter flange 13 upper end bolt, and bearing counter flange 13 lower end is also connected with bolt with sample box base 8; Sample box backing plate at bottom 14 is arranged at sample box 4 bottom interval, leaves enough space and pass for suspender belt between adjacent sample box backing plate at bottom 14, this can sample be put into and take out by convenient suspender belt at the trial.
Claims (2)
1. mechanical rock breaking testing machine rotates broken rock device, it is characterized in that: electric-control system (1), Hydraulic Station (2), mechanical part (3), sample box (4), sample (5), sample baffle plate (6), adjusting bolt (7), sample box base (8), pivoting support (9), pivoting support mounting flange (10), hydraulic rotating motor mounting flange (11), hydraulic rotating motor (12), bearing counter flange (13), sample box backing plate at bottom (14); Wherein:
Electric-control system (1) is connected to Hydraulic Station (2), Hydraulic Station (2) is connected to hydraulic rotating motor (12) by hydraulic hose, by the rotating speed of electric-control system (1) hydraulic control rotation motor (12) during test;
The wall of sample box (4) has threaded hole and through hole, adjusting bolt (7) is arranged on sample box (4) through these threaded holes and through hole, the end of the side of adjusting bolt (7) in sample box (4) is connected with sample baffle plate (6), sample (5) is close to sample baffle plate (6) and is placed, and so just can change by regulating and controlling bolt (7) length stretched in sample box (4) size putting into sample box (4) sample (5); Hydraulic rotating motor (12) is divided into stators and rotators two parts, its stator is fixed on sample box base (8) by hydraulic rotating motor mounting flange (11), rotor is fixed by bearing counter flange (13) and sample box (4) base plate hoop, during test, stator is motionless, rotor rotates, and by bearing counter flange (13), the moment of torsion of hydraulic rotating motor (12) is passed to the sample box (4) of top, thus sample box (4) is driven jointly to rotate; Pivoting support (9) and pivoting support mounting flange (10) are used for the vertical force that sample (5) top acts on to be delivered on sample box base (8), just make hydraulic rotating motor (12) not bear during such test and transmit by sample the vertical load come, pivoting support (9) is divided into inside and outside two circles, outer ring is connected with sample box (4) base plate, inner ring is connected with bearing counter flange (13) upper end, and bearing counter flange (13) lower end is connected with sample box base (8); Sample box backing plate at bottom (14) is arranged at sample box (4) bottom interval, and leave enough spaces between adjacent sample box backing plate at bottom (14) and pass for suspender belt, sample is put into and taken out by convenient suspender belt at the trial.
2. mechanical rock breaking testing machine according to claim 1 rotates broken rock device, and it is characterized in that: hydraulic rotating motor (12) peak torque is 80000NM, maximum speed is 8rad/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087355.4A CN103226078B (en) | 2013-03-18 | 2013-03-18 | Mechanical rock breaking testing machine rotates broken rock device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087355.4A CN103226078B (en) | 2013-03-18 | 2013-03-18 | Mechanical rock breaking testing machine rotates broken rock device |
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| Publication Number | Publication Date |
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| CN103226078A CN103226078A (en) | 2013-07-31 |
| CN103226078B true CN103226078B (en) | 2015-10-28 |
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| CN201310087355.4A Active CN103226078B (en) | 2013-03-18 | 2013-03-18 | Mechanical rock breaking testing machine rotates broken rock device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506927B (en) * | 2019-01-26 | 2020-09-18 | 湘潭大学 | Rock material storehouse and TBM hobbing cutter gyration roll extrusion broken rock test platform |
| CN109612717B (en) * | 2019-01-26 | 2020-06-05 | 湘潭大学 | TBM hob rock breaking test bed |
| CN109506926B (en) * | 2019-01-26 | 2020-06-30 | 湘潭大学 | TBM hob rock breaking test bed |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446536A (en) * | 2008-11-10 | 2009-06-03 | 中南大学 | Position adjustable multi-hob rotary cutting test-bench |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN202305184U (en) * | 2011-08-17 | 2012-07-04 | 广州市新欧机械有限公司 | Vertical test jig of hydraulic breaking hammer |
| CN203231930U (en) * | 2013-03-18 | 2013-10-09 | 广州市新欧机械有限公司 | Rotary rock breaking device of mechanical rock breaking test machine |
-
2013
- 2013-03-18 CN CN201310087355.4A patent/CN103226078B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446536A (en) * | 2008-11-10 | 2009-06-03 | 中南大学 | Position adjustable multi-hob rotary cutting test-bench |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN202305184U (en) * | 2011-08-17 | 2012-07-04 | 广州市新欧机械有限公司 | Vertical test jig of hydraulic breaking hammer |
| CN203231930U (en) * | 2013-03-18 | 2013-10-09 | 广州市新欧机械有限公司 | Rotary rock breaking device of mechanical rock breaking test machine |
Non-Patent Citations (2)
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| 岩石隧道掘进机的施工预测模型;龚秋明 等;《岩石力学与工程学报》;20040731;第23卷(第增2期);第4709-4714页 * |
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| CN103226078A (en) | 2013-07-31 |
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