CN205120455U - Preset mould of rock class brittle material test piece that runs through crack - Google Patents

Preset mould of rock class brittle material test piece that runs through crack Download PDF

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Publication number
CN205120455U
CN205120455U CN201520867336.8U CN201520867336U CN205120455U CN 205120455 U CN205120455 U CN 205120455U CN 201520867336 U CN201520867336 U CN 201520867336U CN 205120455 U CN205120455 U CN 205120455U
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CN
China
Prior art keywords
side plate
crack
back side
frame
slot
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Expired - Fee Related
Application number
CN201520867336.8U
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Chinese (zh)
Inventor
平洋
油新华
秦会来
耿冬青
马庆松
马程昊
许国光
杨春英
张清林
宋福渊
胡贺祥
张伟
李积栋
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China State Construction Engineering Corp Ltd CSCEC
China Construction Baili Engineering Technology Development Co Ltd
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China State Construction Engineering Corp Ltd CSCEC
China Construction Baili Engineering Technology Development Co Ltd
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Priority to CN201520867336.8U priority Critical patent/CN205120455U/en
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Publication of CN205120455U publication Critical patent/CN205120455U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a preset mould of rock class brittle material test piece that runs through crack, mold housing are by bottom plate, front and back curb plate and control the square uncovered box body that the curb plate encloses, correspond the trompil in the middle of the curb plate of front and back, the downthehole rotation slot of respectively installing, rotatory slot is the T shape structure including frid and the straight prominent connecting screw rod's of slave plate dolly integrated into one piece, the frid is installed in the box body, and connecting screw rod stretches out in the hole on the posterior lateral plate respectively in the past, and the nut is fixed for the tip, accompany simulation frame in crack between two slots, inlay respectively at the inslot at frame two, simulation frame in crack comprises chase frame and the note in the frame, and the note is arranged and is netted, and two subsides are last on the frame edge. Can adjust the angle of crack simulation frame during the use as required wantonly, the angle confirms that the back to type of building rock material for test in the mould, makes into different inclination class cracks rock test piece. The utility model discloses can make things convenient for and fast, accurately adjust the crack inclination, simple structure, easily equipment, dismantlement convenience, but reuse.

Description

A kind of preset mould running through the rock fragile materials test specimen in crack
Technical field
The utility model relates to fissure rock layer during similar model test technical field, particularly a kind of preset mould running through the rock fragile materials test specimen in crack.
Background technology
There is a large amount of, random natural defect in rock, as the heterogeneous heterogeneous composite structure of one, its deformation failure Laws of Mechanics is mainly by the impact of the surrounding environment mode of action; The destruction mechanical characteristic of rock is very complicated, and the terrestrial stress be subject to is different with project management model, and namely mechanical response form has significant difference, has non-linear, discontinuous and anisotropic feature.Engineering practice shows, the unstability of rock mass engineering project, and great majority are caused by its Defect expanding such as inner joint or crack.Therefore, physical and mechanical property such as stress, stress-strain or the destruction etc. of further investigation rock mass are very necessary work, and particularly engineering rock mass mechanical characteristics, mechanics parameter and failure mechanism, has directive function to engineering practice.
In order to test and inquire into the characteristics of deformation and strength containing joint plane rock mass, research method main is at present model test method.But when carrying out model investigation to the rock material containing joint plane, the making of rocks test block is very difficult.Current model test method adopts concrete or gypsum as the material making rocks test block.Existing technique causes rock fracture surface model upper lower burrs degree of agreement poor, can not reflect the truth of fissure-plane; And the configuration of surface in rock fracture face is the key factor affecting its shearing strength, therefore comparatively big error can be caused to experimental result.Fissure-plane positioning difficulty is large, often adjusts a fissure-plane parameter and needs analogue formation again, inefficiency, process-cycle long and waste cast material.Be difficult to the position, inclination angle etc. of fissure-plane in the test block of accurate simulation rocks, cause the accuracy of test block low, affect the reliability of test figure.
Utility model content
For overcoming above-mentioned the deficiencies in the prior art, the utility model provides a kind of preset mould running through the rock fragile materials test specimen in crack, and its making is easy to process, structure is simple, can reuse, cost is low and the model of the rocks test for making different crack dip that work flow is succinct.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme:
The preset mould running through the rock fragile materials test specimen in crack, is characterized in that: comprise a square uncovered box body surrounded by base plate, front and back side plate and left side plate; The middle correspondence position of described front and back side plate has a preformed hole, and in described preformed hole, each installation one rotates slot; The T-shaped metal construction that described rotation slot is formed in one, comprises frid and the connecting screw rod from frid plane perpendicular projection; Described frid is arranged on tray interior, and box body medial surface is close in its bottom surface, has notch outside frid, and two notch subtends of front and back side plate are arranged; Stretch out in the preformed hole of described connecting screw rod respectively in the past on back side panel, the end be exposed at outside box body is rotary with hold-down nut, realizes rotating being connected and fixed of slot and front and back side plate; Two of described front and back side plate rotate the crack simulation frame accompanying between slot and rotate with rotation slot, distance between the bottom land that the length of described crack simulation frame and two rotate slot adapts, and its two frame is embedded in the grooves of two rotation slots respectively; Described crack simulation frame is made up of with the paper slip be attached in iron frame the iron frame of rectangle, and described paper slip uniform crossover arrangement is in netted, and two of paper slip is attached to the frame of iron frame along upper.
As optimal technical scheme of the present utility model, on the lateral surface of described front and back side plate, angle is carved with in the position that preformed hole is corresponding or posts index dial, the center drilling of described index dial, perforate overlaps with preformed hole and the size of size and preformed hole adapts; Accordingly, described connecting screw rod exceeds index dial position with angle sign.
Preferably, described angle sign is the gauge point be engraved on connecting screw rod, the marking line being parallel to connecting screw rod axis or from the outstanding pointer of connecting screw rod.
Further, the frid of described rotation slot is disc or rectangle, and the notch on it is strip, and the material rotating slot can be wolfram steel, alloy or cast iron.
Preferably, reinforced the connection further by screw between two ends away from connecting screw rod of described rotation slot and corresponding front and back side plate.
Preferably, described rotation slot can be close to front and back side plate interior sides, and described front and back side plate is flat surface; Rotating slot also can be embedded in the side plate of front and back in bottom, the medial surface of corresponding described front and back side plate be provided with the center of connecting screw rod be the center of circle, to rotate the circular depressed that the longest radius of turn of slot is radius.
Preferably, be also provided with hexagonal nut and gland between described index dial and hold-down nut, described hold-down nut is block nut.
Preferred, described paper slip is evenly arranged along the both direction interval of certain being parallel and perpendicular to iron frame respectively, forms uniform crossed grid netted.
Preferred, described base plate, front and back side plate are identical with the material of left side plate, can be wolfram steel, alloy or cast iron, and described base plate, connection between front and back side plate and the adjacent panels of left side plate are that tongue and groove connects, and use screw bolt reinforcing.
Compared with prior art, technical advantage of the present utility model is:
(1) the utility model mould structure is simple, is easy to processing, assembling, convenient disassembly, can reuse, and effectively saves material, reduces costs;
(2) the utility model mould realizes the inclination angle at joint in angle between crack simulation frame and model left side plate and test block by rotating slot, thus simulates different dip of joints, convenient and swift;
(3) the utility model model makes the Making programme of different angle class fissure rock test specimen succinct, improve test material preparation efficiency, according to the calculating of similarity theory and the adjustment of test repeatedly, configure the rock-like materials comparatively met with the rock character in real engineering, the fissure rock test specimen of compound Practical Project after building progressive die tool, can be produced;
(4) model disclosed in the utility model adopts waste paper establishment crack, turns waste into wealth, economizes on resources.
Accompanying drawing explanation
Fig. 1 is the preset overall appearance structural representation running through the mould of the rock fragile materials test specimen in crack that the utility model relates to;
Fig. 2 is the cross-sectional view of the horizontal cross-section at the place, axis of connecting screw rod 43 in Fig. 1;
Fig. 3 is the cross-sectional view of A-A section in Fig. 2;
Fig. 4 is the perspective view of the rotation slot 3 that relates to of the utility model and end part connecting component thereof;
Fig. 5 is the Waste paper strip 5 of simulation crack system that relates to of the utility model and the structural representation of iron frame 6.
Reference numeral: before and after 1-base plate, 2-left side plate, 3-, side plate, 4-rotate slot, 41-frid, 42-notch, 43-connecting screw rod, the simulation of 5-crack frame, 51-paper slip, 52-iron frame, 6-bolt, 7-screw, 8-index dial, 9-hexagonal nut, 10-gland, 11-hold-down nut, 12-preformed hole.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The utility model embodiment relates to a kind of preset mould running through the rock fragile materials test specimen in crack, as Fig. 1,2 and 3, it comprises a square uncovered box body surrounded by base plate 1, front and back side plate 3 and left side plate 2, inside dimensions is that 100 × 100 × 100mm(is long × wide × high), its base plate 1, front and back side plate 3 are identical with the material of left side plate 2, can be wolfram steel, alloy or cast iron; Described base plate 1, connection between front and back side plate 3 and the adjacent panels of left side plate 2 are that tongue and groove connects, and reinforce with bolt 6.The middle correspondence position of described front and back side plate 3 has a preformed hole 12, and in described preformed hole 12, each installation one rotates slot 4; The T-shaped metal construction that described rotation slot 4 is formed in one, comprises frid 41 and the connecting screw rod 43 from frid plane perpendicular projection; Described frid 41 is arranged on tray interior, and box body medial surface is close in its bottom surface, has notch 42 outside frid 41, and two notch subtends of front and back side plate 3 are arranged; Stretch out in the preformed hole of described connecting screw rod 43 respectively in the past on back side panel 3, the end be exposed at outside box body is rotary with hold-down nut 11, realizes rotating being connected and fixed of slot 4 and front and back side plate 3;
Two of described front and back side plate 3 rotate the crack simulation frame 5 accompanying between slot 4 and rotate with rotation slot 4, distance between the bottom land that the length of described crack simulation frame 5 and two rotate slot 4 adapts, width can adjust with the need, and its two frame is embedded in two grooves rotating slot 4 respectively;
As Fig. 5, described crack simulation frame 5 is made up of with the paper slip 52 be attached in iron frame 51 iron frame 51 of rectangle, and described paper slip 52 uniform crossover arrangement is in netted, and two of paper slip 52 is attached to the frame of iron frame 51 along upper.The paper slip 52 of the utility model embodiment is evenly arranged along the both direction interval on certain one side being parallel and perpendicular to iron frame respectively, forms uniform crossed grid netted.In iron frame, paper slip width is 10mm, and its spacing is 10mm, is pasted successively by paper slip in the middle of framework toward both sides, be fixed in iron frame 51, for simulating crack, iron plate framework is thin, need by test the iron frame 51 can processing different length, iron frame 51 can move freely in rotation slot.Iron frame 51 length is 100 ~ 120mm, and its width is 100, and thickness is 2.5mm.
As Fig. 4, on the lateral surface of described front and back side plate 3, the position of preformed hole 12 correspondence is carved with angle or posts index dial 8, the center drilling of described index dial 8, perforate overlaps with preformed hole 12 and the size of size and preformed hole 12 adapts; Accordingly, described connecting screw rod 43 exceeds index dial 8 position with angle sign.Regulated the angle of slot by index dial 8, and adopt hexagonal nut 9 and acorn nut 12 rotation slot 4 and front and back side plate 3 to be fixed together, also directly can carve angle on side plate, determine the angle between iron frame 52 and model sidewall by rotation slot 4.Described angle sign is the gauge point be engraved on connecting screw rod 43, the marking line being parallel to connecting screw rod 43 axis or from the outstanding pointer of connecting screw rod 43.
The frid 41 of described rotation slot 4 is oval dish type or rectangle, and the notch 42 on it is strip, and the material rotating slot 4 can be wolfram steel, alloy or cast iron.Reinforced the connection further by screw 7 between two ends away from connecting screw rod 43 of described rotation slot 4 and corresponding front and back side plate 3.Described rotation slot 4 can be close to the inner side of front and back side plate 3, and described front and back side plate 3 is flat surface; Rotating slot 4 also can be embedded in front and back side plate 3 in bottom, accordingly, the medial surface of described front and back side plate 3 be provided with the center of connecting screw rod 43 be the center of circle, to rotate the circular depressed that the longest radius of turn of slot 4 is radius.The present embodiment frid 41 is rectangle, is of a size of 80 × 14 × 6mm(long × wide × high), it is long × wide × high that slotted eye 42 is of a size of 80 × 3 × 3mm().
In addition, be also provided with hexagonal nut 9 and gland 10 between described index dial 8 and hold-down nut 11, described hold-down nut 11 is block nut.Described base plate 1, front and back side plate 3 are identical with the material of left side plate 2, can be wolfram steel, alloy or cast iron; Described base plate 1, connection between front and back side plate 3 and the adjacent panels of left side plate 2 are that tongue and groove connects, and reinforce with bolt 6.In the present embodiment, by the inclination angle at joint in the angle between rotation slot adjustment iron frame 51 and model sidewall and test block, once inclination angle determines that rotation slot 4 and front and back side plate 3 are fixed by rear tighten the screws 7 and hold-down nut 11.
The above-mentioned preset method for making running through the mould of the rock fragile materials test specimen in crack comprises the steps:
Step one, preparation material and test instrument: comprise base plate 1, front and back side plate 3, left side plate 2, the making rotating slot 4 and related fittings and preparation, material such as needed for rocks test specimen, waste paper etc., consider the consistance of test, collect the waste paper of same type, can unify in manufacturing process to use discarded magazine;
Step 2, installation index dial 8: open preformed hole 12 at front and back side plate 3 correspondence position, index dial 8 is installed outside preformed hole;
Step 3, make crack simulation frame 5: the paper slip 52 in conjunction with different test demands, waste paper being cut into same width, and be compiled into by same spacing and be latticedly fixed in iron frame 51, form crack simulation frame 5; Waste paper can be cut into the paper slip of same width in conjunction with different test demands, and be compiled into by same spacing and be latticedly fixed on crack phantom frame 5, as shown in Figure 5.
The square uncovered box body of step 4, composition model: surround square uncovered box body by base plate 1, front and back side plate 3 and left side plate 2, base plate 1, connection between front and back side plate 3 and the adjacent panels of left side plate 2 are that tongue and groove connects, and reinforce with bolt 6;
Step 5, installation rotate slot 4: lubricating oil on model box body inner side brush, install and rotate slot 4 in the preformed hole of front and back side plate 3;
Step 6, simulation frame 5 in crack is installed: crack is simulated frame 5 and insert in the rotation slot 4 of side plate 3 before and after model, in the end of connecting screw rod 43, hold-down nut 11 is installed but not fastening temporarily;
Step 7, adjustment rotation slot 4: rotation slot 4 is adjusted to required angle, be finally fastened and fixed nut 11 and rotation slot 4 and front and back side plate 3 are fixed by screw 7;
Step 8, build rocks material for test: in the mould made, build rocks material for test, be made into different angle class fissure rock test specimen.
Content described in this instructions embodiment is only enumerating the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form of embodiment statement, and protection domain of the present utility model is contained those skilled in the art and conceived the equivalent technologies means that can expect according to the utility model.

Claims (9)

1. the preset mould running through the rock fragile materials test specimen in crack, is characterized in that:
Comprise a square uncovered box body surrounded by base plate (1), front and back side plate (3) and left side plate (2);
The middle correspondence position of described front and back side plate (3) has a preformed hole (12), and in described preformed hole (12), each installation one rotates slot (4); The T-shaped metal construction that described rotation slot (4) is formed in one, comprises frid (41) and the connecting screw rod (43) from frid plane perpendicular projection; Described frid (41) is arranged on tray interior, and box body medial surface is close in its bottom surface, and frid (41) outside has notch (42), and two notch subtends of front and back side plate (3) are arranged; Stretch out in preformed hole on described connecting screw rod (43) difference the past back side panel (3), the end be exposed at outside box body is rotary with hold-down nut (11), realizes being connected and fixed of rotation slot (4) and front and back side plate (3);
Two of described front and back side plate (3) rotate crack simulation frame (5) accompanying between slot (4) and rotate with rotation slot (4), the length in described crack simulation frame (5) adapts with two distances rotated between the bottom land of slot (4), and its two frame is embedded in the grooves of two rotations slot (4) respectively;
Described crack simulation frame (5) be made up of the iron frame (51) of rectangle and the paper slip (52) be attached in iron frame (51), and it is netted that described paper slip (52) uniform crossover is arranged, and two of paper slip (52) is attached to the frame of iron frame (51) along upper.
2. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 1, it is characterized in that: on the lateral surface of described front and back side plate (3), the position that preformed hole (12) is corresponding is carved with angle or is posted index dial (8), the center drilling of described index dial (8), perforate overlaps with preformed hole (12) and the size of size and preformed hole (12) adapts; Accordingly, described connecting screw rod (43) exceeds index dial (8) position with angle sign.
3. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 2, is characterized in that: described angle sign is for being engraved in the gauge point on connecting screw rod (43), the marking line being parallel to connecting screw rod (43) axis or the pointer given prominence to from connecting screw rod (43).
4. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 2, it is characterized in that: the frid (41) of described rotation slot (4) is ellipse, disc or rectangle, notch (42) on it is strip, and the material rotating slot (4) is wolfram steel, alloy or cast iron.
5. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 4, is characterized in that: reinforced the connection further by screw (7) between two ends away from connecting screw rod (43) of described rotation slot (4) and corresponding front and back side plate (3).
6. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 4, it is characterized in that: the bottom of described rotation slot (4) is embedded in front and back side plate (3), accordingly, the medial surface of described front and back side plate (3) is provided with and is the center of circle with the center of connecting screw rod (43), is the circular depressed of radius to rotate the longest radius of turn of slot (4).
7. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 2, it is characterized in that: be also provided with hexagonal nut (9) and gland (10) between described index dial (8) and hold-down nut (11), described hold-down nut (11) is block nut.
8. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 2, it is characterized in that: described paper slip (52) is evenly arranged along the both direction interval of certain being parallel and perpendicular to iron frame respectively, forms uniform crossed grid netted.
9. a kind of preset mould running through the rock fragile materials test specimen in crack according to claim 1 ~ 8 any one, it is characterized in that: described base plate (1), front and back side plate (3) are identical with the material of left side plate (2), is wolfram steel, alloy or cast iron; Described base plate (1), connection between front and back side plate (3) and the adjacent panels of left side plate (2) are that tongue and groove connects, and reinforce with bolt (6).
CN201520867336.8U 2015-11-03 2015-11-03 Preset mould of rock class brittle material test piece that runs through crack Expired - Fee Related CN205120455U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105277406A (en) * 2015-11-03 2016-01-27 中国建筑股份有限公司 Mold for producing cracked rock test piece of different dip angles and production method thereof
CN106248449A (en) * 2016-06-30 2016-12-21 四川大学 A kind of mould of the rocks sample made containing non-penetrating type crack
CN107300493A (en) * 2017-08-23 2017-10-27 青岛理工大学 A kind of hole rocks test sample-producing die and preparation method
CN107503724A (en) * 2017-07-03 2017-12-22 中国石油大学(北京) Preset the physical simulation experiment device and its method of the intrinsic fracture of medium
CN107907393A (en) * 2017-11-16 2018-04-13 重庆大学 A kind of mould for being used to make rock-like materials

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105277406A (en) * 2015-11-03 2016-01-27 中国建筑股份有限公司 Mold for producing cracked rock test piece of different dip angles and production method thereof
CN105277406B (en) * 2015-11-03 2017-12-05 中国建筑股份有限公司 Mould for making different angle class fissure rock test specimen and preparation method thereof
CN106248449A (en) * 2016-06-30 2016-12-21 四川大学 A kind of mould of the rocks sample made containing non-penetrating type crack
CN106248449B (en) * 2016-06-30 2018-12-21 四川大学 A kind of mold making the rocks sample containing non-through type crack
CN107503724A (en) * 2017-07-03 2017-12-22 中国石油大学(北京) Preset the physical simulation experiment device and its method of the intrinsic fracture of medium
CN107503724B (en) * 2017-07-03 2019-07-23 中国石油大学(北京) Preset the physical simulation experiment device and its method of the intrinsic fracture of medium
CN107300493A (en) * 2017-08-23 2017-10-27 青岛理工大学 A kind of hole rocks test sample-producing die and preparation method
CN107907393A (en) * 2017-11-16 2018-04-13 重庆大学 A kind of mould for being used to make rock-like materials

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Granted publication date: 20160330

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