CN207585981U - A kind of experimental provision of curve joint processing - Google Patents
A kind of experimental provision of curve joint processing Download PDFInfo
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- CN207585981U CN207585981U CN201721793561.7U CN201721793561U CN207585981U CN 207585981 U CN207585981 U CN 207585981U CN 201721793561 U CN201721793561 U CN 201721793561U CN 207585981 U CN207585981 U CN 207585981U
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- steel pipe
- test specimen
- jacking
- fixed block
- bolt
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Abstract
The utility model discloses a kind of experimental provisions of curve joint processing, including upper surface the semicircle steel pipe containing joint-cutting, steel pipe upper surface is plane, half range test specimen is located in steel pipe, steel duct is equipped with two jacking bars, two jacking bars are put in from the both ends of steel pipe in steel pipe respectively, one end end of every jacking bar is connected with fixed block, fixed block on two jacking bars withstands on test specimen two ends respectively, if the lower end of the body of rod of every jacking bar is equipped with bolt stem A successively, the steel pipe tube body between two fixed blocks is equipped at least three bolt Bs for being used to support test specimen.The utility model solves the problems, such as to be difficult to carry out target test specimen inside the processing of curve joint in the prior art, and weaken cylinder specimen middle part and influence of the external pressure differential to its microscopical structure feature.
Description
Technical field
The utility model belongs to indoor Rock experiment technical field, is related to a kind of experimental provision of curve joint processing.
Background technology
Laboratory experiment means research pressure-bearing microfluid (water body, oil gas body, solute) is relied on to act on the physical mechanics of lower rock mass
Characteristic discloses the derivation process of rock mass microscopical structure feature under multiple physical field (temperature, stress, seepage flow, chemistry) coupling, lures
Hair factor and its mechanism of production peomote deep rock mass engineering project utilization, Deep Oil-gas exploitation and area's superficial freeze thawing of trembling with fear and follow
Ring cover region engineering rock mass utilizes, and rock mass multiple physical field coupling in the fields such as mining engineering, hydraulic engineering, environmental project is asked
The solution of topic has important learning value.
From the point of view of rock mass microscopical structure feature, rock mass generally has the notable feature of multi-dielectric (block+gap).Gap
Structure (hole+crack) be only microfluid (water body, oil gas body, solute) medium intervention rock mass inside provide channel, also for
Physical chemistry occurs inside fluid media (medium) intervention rock mass under the conditions of different phase transformations (liquid, solid), different temperatures and different pressures
And mechanical function provides condition.Theoretically, Fluid Mechanics Computation, field monitoring or laboratory experiment means can be relied on, compared with
Good solves the above problems, but the parameter there are numerical computations can not obtain and can not carry out field monitoring with the Project Demonstration stage
Etc. realistic problems.Therefore, the lower rock mass of in-house laboratory investigation pressure-bearing microfluid (water body, oil gas body, solute) effect can only be relied on
Physico mechanical characteristic.
At present, for the research in terms of rock fluid pressure-bearing penetration testing, majority is impregnated with, then apply using first progress pressure-bearing
The processing method of axis confining pressure is implemented.It is influenced by pressurized fluid by confining pressure and rock compactness, inside cylinder specimen
With surface layer pressure difference it is larger the defects of, directly result in test specimen superficial portion pore structure in pressure-bearing soak process produce initial damage or
Entanglement phenomenon.It is unfavorable for really disclosing influence of the pressure-bearing microfluid to rock mass physical mechanical property.Weaken above-mentioned influence, then need
Want study of rocks test specimen inner curve joint adding technique.
The rock sample majority of indoor triaxial tests is presently used for for homogeneous and without the standard specimen of apparent regular crack
(height × diameter=100mm × 50mm), it is difficult to complete curve joint inside test specimen and make.In view of test specimen have size compared with
It is small, dimensional effect is apparent, and the obvious characteristics such as rock-like materials brittle fracture such as rock or concrete, intend using first to two and half
Width test specimen (height × thickness=100mm × 25mm) makes curve joint, then is bonded to standard specimen using impervious high-strength plastic
Method, to realize that standard specimen inner curve joint makes, gained test specimen is for relying on in-house laboratory investigation pressure-bearing microfluid (water
Body, oil gas body, solute) act on the physico mechanical characteristic of rock mass to be of great significance.
Utility model content
The purpose of this utility model is to provide a kind of experimental provision of curve joint processing, solves and is difficult in the prior art
The problem of processing of curve joint is carried out to target test specimen inside.
The utility model contains the technical scheme adopted is that a kind of experimental provision of curve joint processing including upper surface
The steel pipe of joint-cutting, the cross section of steel pipe is semicircle, and steel pipe upper surface is plane, and half range test specimen is located in steel pipe, and steel duct is set
There are two jacking bars, two jacking bars are put in from the both ends of steel pipe in steel pipe respectively, and one end end of every jacking bar is connected with
Fixed block, the fixed block on two jacking bars withstand on half range test specimen two ends respectively, and the lower end of the body of rod of every jacking bar is set successively
If there is bolt stem A, the steel pipe tube body between two fixed blocks is equipped at least three bolt Bs for being used to support test specimen.
The utility model is also characterized by
The curve joint-cutting of different wave is equipped in different length region wherein on steel pipe.
Wherein the tube body of steel pipe is supported by least four stents, and two of which stent is located at the both ends of steel pipe respectively, separately
Outer two stents are separately positioned at the corresponding steel pipe of half range test specimen two ends.
Wherein stent includes arc frame body A and arc frame body B, and one end of arc frame body A and one end of arc frame body B pass through
Bolt C connects and composes half round frame, and steel pipe is set in half round frame, and the upper surface of half round frame is connected with cover board, under arc frame body A
End is equipped with L-shaped bearing.
Wherein jacking bar is hollow rectangular-shape, and fixed block is half solid round block, and the upper surface of fixed block is flat
Face, jacking bar is connected to the side of fixed block, and the upper surface of jacking bar is concordant with the upper surface of fixed block, and bolt A is from steel pipe
Bottom enter steel duct, and withstand on the bottom of jacking bar.
Groove is equipped with wherein at the bottom centre of jacking bar, bolt A is withstood in groove.
The beneficial effects of the utility model are that curve joint provided by the utility model processing unit (plant) is prior on steel pipe
Curve joint-cutting of different shapes is processed, then half range test specimen is put into steel pipe, two fixed blocks pass through jacking bar pair respectively
The both ends of test specimen are supported, and half range test specimen is axially and radially located by bolt A and bolt B respectively.Then it uses
Rock cutting drill bit is along the inside deep processing of joint-cutting on steel pipe, so as to complete the processing to half range test specimen curve joint, then
Two half range test specimens are bonded using impervious high-strength plastic, so as to the forming curves joint inside test specimen.It solves in the prior art
The problem of being difficult to carry out target test specimen inside the processing of curve joint, and weaken cylinder specimen inside and external pressure differential pair
The influence of its microscopical structure feature.
Description of the drawings
Fig. 1 is a kind of front view of the experimental provision of curve joint processing of the utility model；
Fig. 2 is the sectional view in A-A directions in Fig. 1；
Fig. 3 is the sectional view in B-B directions in Fig. 1；
Fig. 4 is the structure diagram of stent in a kind of experimental provision of curve joint processing of the utility model；
Fig. 5 is the steel of the curve joint-cutting containing different amplitudes in a kind of experimental provision of curve joint processing of the utility model
Pipe vertical view；
Fig. 6 is that another curve containing different amplitudes is cut in a kind of experimental provision of curve joint processing of the utility model
The steel pipe vertical view of seam.
In figure, 1. steel pipes, 2. jacking bars, 3. fixed blocks, 4. half range test specimens, 5. bolt A, 6. bolt Bs, 7. joint-cuttings, 8. arcs
Shape frame body A, 9. arc frame body B, 10. bolt C, 11. bearings, 12. grooves, 13. cover boards.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of experimental provision of curve joint processing of the utility model, structure as shown in Figures 1 to 3, contain including upper surface and cut
The steel pipe 1 of seam, the cross section of steel pipe 1 is semicircle, and 1 upper surface of steel pipe is plane, and half range test specimen 4 is located in steel pipe 1, in steel pipe 1
Portion is equipped with two jacking bars 2, and two jacking bars 2 are put in from the both ends of steel pipe 1 in steel pipe 1 respectively, one end end of every jacking bar 2
Portion is connected with fixed block 3, and the fixed block 3 on two jacking bars 2 withstands on 4 both ends of half range test specimen, the body of rod of every jacking bar 2 respectively
If lower end be equipped with bolt stem A5 successively, 1 tube body of steel pipe between two fixed blocks 3 is used to support test specimen equipped at least three
4 bolt B 6.
The curve joint-cutting 7 of different wave is equipped in different length region on steel pipe 1.
The tube body of steel pipe 1 is supported by least four stents, and two of which stent is located at the both ends of steel pipe 1 respectively, in addition
Two stents are separately positioned at the corresponding steel pipe 1 in 4 both ends of half range test specimen.
As shown in figure 4, stent includes arc frame body A8 and arc frame body B9, arc frame body A8 and arc frame body B9 are four
/ mono- circular arc, one end of arc frame body A8 and one end of arc frame body B9 connect and compose half round frame, steel pipe 1 by bolt C10
It is set in half round frame, the upper surface of half round frame is connected with cover board 13 by bolt D, and the lower end of arc frame body A8 is equipped with L-shaped branch
Seat 11.
Wherein jacking bar 2 is hollow rectangular-shape, and fixed block 3 is half solid round block, and the upper surface of fixed block 3 is
Plane, jacking bar 2 is connected to the side of fixed block 3, and the upper surface of jacking bar 2 is concordant with the upper surface of fixed block 3, bolt A5
Enter inside steel pipe 1 from the bottom of steel pipe 1, and withstand on the bottom of jacking bar 2.
Groove 12 is equipped with wherein at the bottom centre of jacking bar 2, bolt A5 is withstood in groove 12.
When adjusting position of the half range test specimen 4 in steel pipe 1, bolt A5 and bolt B 6 are first unclamped, along the axis side of steel pipe 1
To, by the cooperation of two jacking bars 2, a jacking bar 2 by fixed block 3 push half range test specimen 4 and another fixed block 3,
Jacking bar 2 is walked to joint-cutting direction to be processed, when half range test specimen 4 is reached on steel pipe 1 at the joint-cutting of correspondingly-shaped, is twisted
Tight bolt A5 and bolt B 6, half range test specimen 4 is fixed both axially and radially, is then cut using Rock cutting drill bit along curve
Seam cuts half range test specimen 4.
The curve joint-cutting 7 of different wave is equipped in different length region on steel pipe 1.
As shown in figure 5, the just profound wiggle trace of different amplitudes is machined in the different length section of 1 upper surface of steel pipe respectively
Joint-cutting 7, the grid lines in Fig. 5 are dimension reference lines, can be by half range test specimen 4 according to the shape at curve joint to be processed is intended
It is placed on the corresponding position in steel pipe 1.
As shown in fig. 6, the triangle wave mode joint-cutting of different amplitudes is machined in the different length section of 1 upper surface of steel pipe respectively
Grid lines in 7, Fig. 6 is dimension reference lines, according to the shape at curve joint to be processed is intended, can be placed on half range test specimen 4
Corresponding position in steel pipe 1.
A kind of processing method at curve joint of the utility model, is as follows：
Step 1, the identical 4 (height × thickness of half range test specimen for intending carrying out curve joint processing of two specifications is chosen
=100mm × 25mm), the size of measurement half range test specimen 4, using the reference data as tangential fixed half range test specimen 4；
Step 2, being coated with lubricant, (lubricant is vaseline, and vaseline can both play lubricating action, test specimen is facilitated to fill
Enter steel pipe, meanwhile, also with sealing process, the natural cracking caused by when flow is lost in that can both prevent test specimen can also subtract
The damage of the weak test specimen microscopical structure caused by test specimen desaturation) a half range test specimen 4 be placed on upper surface containing curve
Inside the steel pipe 1 of joint-cutting, according to the curve joint shape to be made, half range test specimen 4 is placed on cutting for 1 respective shapes of steel pipe
It stitches at 7 positions；
Step 3, two fixed blocks 3 are withstood on to the both ends of half range test specimen 4 respectively, bolt A5 is withstood in groove 12 to jacking
Bar 2 is supported, so as to carry out axial restraint to half range test specimen 4；Bolt B 6 from the bottom of steel pipe is penetrated and withstands on test specimen 4
Bottom carries out half range test specimen 4 radially fixed；
Step 4, the both ends of half range test specimen 4 set stent in the both ends of steel pipe 1 and steel pipe 1 respectively；
Step 5, according to the depth of cut at curve joint, the depth of cut of Rock cutting drill bit is determined；
Step 6, the curve joint shape determined according to step 2, by Rock cutting drill bit along the set joint-cutting on steel pipe 1
Curve joint processing is carried out to the plane of half range test specimen 4；
Step 7, after machining, half range test specimen 4 is taken out, checks the production effect and its integrality at curve joint；
Step 8, it repeats steps 2 through 7, completes making and the integrity checking at another 4 curve joint of half range test specimen；
Step 9, the half range test specimen 4 that two are machined with curve joint is bonded together using binding material, formed internal
The standard specimen at the joint containing curve.Binding material is impervious high-strength colloid.
A kind of the characteristics of experimental provision of curve joint processing of the utility model is that can realize in experiment to standard specimen
The processing and fabricating at internal different shape curve joint.Both the making at the just profound wiggle trace joint of different amplitudes can have been realized, it also can be real
The making at existing different amplitude triangle wiggle trace joints.The utility model is based on rock-like materials Brittleness and standard specimen
On the basis of size characteristic, the characteristics of difficult and internal nonlinearity test specimen containing crackle can not make is made for standard specimen, is carried
Go out and rely on the making of the standard specimen of joint containing curve and processing method, corresponding embodiment pair inside the Mold Making of joint-cutting containing curve
There is weight in the physico mechanical characteristic that in-house laboratory investigation pressure-bearing microfluid (water body, oil gas body, solute) is relied on to act on lower rock mass
Want meaning.
Claims (6)
1. a kind of experimental provision of curve joint processing, it is characterised in that：Including upper surface the steel pipe (1) containing joint-cutting, steel pipe (1)
Cross section for semicircle, steel pipe (1) upper surface is plane, and for half range test specimen (4) in steel pipe (1), steel pipe (1) is internally provided with two
Root jacking bar (2), two jacking bars (2) are put in from the both ends of steel pipe (1) in steel pipe (1) respectively, one end of every jacking bar (2)
End is connected with fixed block (3), and the fixed block (3) on two jacking bars (2) withstands on half range test specimen (4) both ends, every top respectively
Pressure pin (2) if the lower end of the body of rod be equipped with bolt stem A (5) successively, steel pipe (1) tube body between two fixed blocks (3) is equipped with
At least three are used to support the bolt B (6) of half range test specimen (4).
2. a kind of experimental provision of curve joint processing according to claim 1, it is characterised in that：On the steel pipe (1)
Different length region in be equipped with different curve joint-cuttings (7).
3. a kind of experimental provision of curve joint processing according to claim 1, it is characterised in that：The steel pipe (1)
Tube body is supported by least four stents, and stent described in two of which is located at the both ends of steel pipe (1), other two described branch respectively
Frame is separately positioned at the corresponding steel pipe (1) in half range test specimen (4) both ends.
4. a kind of experimental provision of curve joint processing according to claim 3, it is characterised in that：The stent includes arc
One end of shape frame body A (8) and arc frame body B (9), arc frame body A (8) and one end of arc frame body B (9) pass through bolt C (10)
Half round frame is connected and composed, steel pipe (1) is set in half round frame, and the upper surface of half round frame is connected with cover board (13), arc
The lower end of shape frame body A (8) is equipped with L-shaped bearing (11).
5. a kind of experimental provision of curve joint processing according to claim 1, it is characterised in that：The jacking bar (2)
For hollow rectangular-shape, fixed block (3) is half solid round block, and the upper surface of fixed block (3) is plane, jacking bar (2)
The side of fixed block (3) is connected to, and the upper surface of jacking bar (2) is concordant with the upper surface of fixed block (3), bolt A (5) is from steel
The bottom of pipe (1) enters steel pipe (1) inside, and withstands on the bottom of jacking bar (2).
6. a kind of experimental provision of curve joint processing according to claim 5, it is characterised in that：The jacking bar (2)
Bottom centre at be equipped with groove (12), bolt A (5) is withstood in groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793561.7U CN207585981U (en) | 2017-12-20 | 2017-12-20 | A kind of experimental provision of curve joint processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793561.7U CN207585981U (en) | 2017-12-20 | 2017-12-20 | A kind of experimental provision of curve joint processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585981U true CN207585981U (en) | 2018-07-06 |
Family
ID=62739581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793561.7U Expired - Fee Related CN207585981U (en) | 2017-12-20 | 2017-12-20 | A kind of experimental provision of curve joint processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585981U (en) |
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2017
- 2017-12-20 CN CN201721793561.7U patent/CN207585981U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20181220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |