CN205607736U - A coal petrography sample making devices for mechanical properties and permeability test - Google Patents
A coal petrography sample making devices for mechanical properties and permeability test Download PDFInfo
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- CN205607736U CN205607736U CN201620472797.XU CN201620472797U CN205607736U CN 205607736 U CN205607736 U CN 205607736U CN 201620472797 U CN201620472797 U CN 201620472797U CN 205607736 U CN205607736 U CN 205607736U
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- tapered sleeve
- coal petrography
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Abstract
A coal petrography sample making devices for mechanical properties and permeability test relates to an experimental apparatus of making the sample. The condition that the sample damaged often can appear when taking a sample in current forming die in order to solve, the utility model discloses a support, slip casting mold sleeve group, jack, the support includes pressing handle, compression screw, gland nut, upper plate, two bracing pieces, two linear bearing, board, positioning head, lower plate float, slip casting mold sleeve group includes pressure head, taper sleeve, mould, base down, lower plate and upper plate are connected respectively to two bracing pieces, two linear bearing pass two linear bearing holes respectively, two linear bearing overlap respectively on two bracing pieces to can the relative slip with the bracing piece, drive the board that floats simultaneously and reciprocate, the slip casting mould sets up between unsteady board and upper plate, and the jack setting is between unsteady board and lower plate, the utility model is suitable for a preparation of coal petrography sample.
Description
Technical field
This utility model relates to a kind of experimental provision making sample.
Background technology
The research of coal and gas prominent mechanism shows, coal and gas prominent is the result of physico-mechanical properties three's composite factor that crustal stress, gas pressure and gas are embodied with coal petrography interaction.So, mechanical property and the permeability thereof of further investigation coal seam containing gas have highly important theory significance and practical value to understanding coal and gas prominent mechanism.
Permeability Oe Coal And Porous Rock And Fractured Rock is the Important Property Parameters of the easy degree of gas Flowing Hard in reflection coal seam, is also the important parameter of gas porous flow mechanics basic theories.Therefore, the research of coal-bed gas permeability is the key technology of gas porous flow Mechanics Development, and it is one of focus of seepage force educational circles concern all the time.On the one hand, the condition of being put to the test is limited, and still can not simulate down-hole completely and compose the complicated applied force state depositing coal body；On the other hand, under laboratory coal sample occurrence condition true with colliery compared with coal body, yardstick tens the most hundreds of orders of magnitude of difference.Due to big coal sample from be sampled to sample preparation, to test the most relative complex, the most generally take little coal sample and test.
Mechanical property and the permeability of coal seam containing gas studied by current commonly used coal petrography sample, and the coal petrography sample making different size specification makes the prerequisite being to test its mechanical property with permeability.In the prior art, the manufacturing process of coal petrography sample: taken original coal cinder pulverizer is pulverized, take a range of pulverized coal particle, then the coal dust these screened and a small amount of pure water and be uniformly placed on the certified reference coal being pressed into φ 50mm × 100mm in mould on rigidity matching with certain pressure, in case testing in finally the coal petrography sample drying made being placed on drying baker.The conditions such as the pressure of the method the most uncontrollable making coal petrography sample of this making coal petrography sample, and sample inconvenient in mould, often there is the situation of specimen fails in the sampling in mould.
Summary of the invention
This utility model is in order to often there is the situation of specimen fails when solving sampling in existing mould.
The coal petrography sample producing device tested for mechanical property and permeability, including support, slip casting mould set group, jack；Described support includes pressing handle, clamping screw, gland nut, upper plate, two support bars, two linear bearings, float plate, positioning head and lower shoe；Described slip casting mould set group includes push-down head, tapered sleeve, mould and base；
Lower shoe two ends are arranged with two support bar bottom connecting holes；
Upper plate center is provided with gland nut hole, and upper plate two ends are arranged with two supporting bar top connecting holes；Gland nut is arranged in swivel nut hole, and clamping screw passes gland nut, by screw thread and gland nut with the use of, the top of clamping screw is provided with pressing handle；
Two support bar bottoms are connected respectively in two support bar bottom connecting holes of lower shoe, and two support bars are vertically arranged with lower shoe；Two supporting bar tops are connected respectively in two supporting bar top connecting holes of upper plate, and two support bars are vertically arranged with upper plate；
Float plate center is provided with location head bore, and float plate two ends are arranged with two linear axis bearing bore；Positioning head is arranged in the head bore of location, and positioning head one end is stretched out location head bore, i.e. positioning head one end and highlighted plane in float plate；Two linear bearings are each passed through two linear axis bearing bore；Two linear bearings are respectively fitted on two support bars, and can relative slide with support bar, drive float plate to move up and down simultaneously；
Mould is specifically made up of two half modules, and mould is overall in circular cone shape, and circular cone shape center is provided with passes through hole；Each half module is specially the half of circular cone shape, and the contact surface that two half modules are concrete is respectively provided with together by groove, and when two half modules are specifically constituted in the frustum of a cone, concrete two of two half modules consist of groove and pass through hole；
Tapered sleeve is cylindrical shape, and tapered sleeve center is circular cone shape by hole；And the length being shorter in length than mould that tapered sleeve is by hole；
Push-down head includes the push-down head main body of screw top pressure head and cylindrical shape, and screw top pressure head is arranged on the upper end of push-down head main body, i.e. screw top pressure head and is arranged on the push-down head main body side near clamping screw；The diameter of push-down head main body is less than the mould internal diameter by hole, and the diameter of screw top pressure head is more than the mould internal diameter by hole；
Base is cylindrical shape, and base upper surface is provided with tapered sleeve seat slot, and base lower surface is provided with spacing hole, and the internal diameter of tapered sleeve seat slot is more than tapered sleeve diameter；
When the pressure head of slip casting mould set group, tapered sleeve, mould, base engagement use, two half modules are specifically with the use of constituting mould, mould be arranged on tapered sleeve by hole, be arranged on bottom tapered sleeve in the tapered sleeve seat slot of base, push-down head push-down head main body be positioned at tapered sleeve by hole；
Jack is arranged on the top of the lower section of float plate, lower shoe.
When making coal petrography sample, coal petrography material is placed in two half modules concrete by groove, by two half modules specifically with the use of, by with the use of mould put into tapered sleeve by hole, and a section of mould stretches out tapered sleeve and passes through hole；Tapered sleeve is placed in the tapered sleeve seat slot of base, then by the spacing hole of base and positioning head with the use of, slip casting mould set group is fixed the upper surface in float plate；Then the push-down head main body of push-down head is goed deep into from top tapered sleeve by hole；Regulation pressing handle, makes clamping screw compress the screw top pressure head of push-down head；Start the lower surface of jack top pressure float plate, drive shifting in float plate thus extrude coal petrography material and make coal petrography sample；
When coal petrography sample completes, remove mould, and separately two half modules are concrete, take out coal petrography sample.
This utility model has the advantage that
The dismounting of this utility model sample preparation device is simple, flexibly；Coal petrography press device is supported by high-quality linear slide bearing, and action is flexibly without running resistance, it is ensured that sample uniform-compression, booster system uses jack, fast stable, simple to operate, and due to the effect of float plate, further ensure sample uniform-compression, improve sample is fabricated to power；And slip casting mould set group of the present utility model improves the success rate of sampling；Using this utility model to make coal petrography sample, coal petrography sample is fabricated to power and may be up to 100%, and sampling is simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the plan structure schematic diagram of lower shoe；
Fig. 3 is the side-looking structural representation of lower shoe；
Fig. 4 is the plan structure schematic diagram of upper plate；
Fig. 5 is the side-looking structural representation of upper plate；
Fig. 6 is the plan structure schematic diagram of float plate；
Fig. 7 is the side-looking structural representation of float plate；
Fig. 8 (a) is the main TV structure schematic diagram that half module is concrete；Fig. 8 (b) is the side-looking structural representation that half module is concrete；Fig. 8 (c) is the plan structure schematic diagram that half module is concrete；
Fig. 9 is the structural representation of tapered sleeve；
Figure 10 is the structural representation of push-down head；
Figure 11 is the structural representation of base.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1 to Figure 11 and present embodiment is described,
The coal petrography sample producing device tested for mechanical property and permeability, including support a, slip casting mould set group b, jack c；Described support a includes pressing handle 1, clamping screw 2, gland nut 4, upper plate 9, two linear bearings 14 of 5, two support bars, float plate 15, positioning head 16 and lower shoe 19；Described slip casting mould set group b includes push-down head 6, tapered sleeve 7, mould 8 and base 10；
Lower shoe 19 two ends are arranged with two support bar bottom connecting hole 19-1；
Upper plate 5 center is provided with gland nut hole 5-2, and upper plate 5 two ends are arranged with two supporting bar top connecting hole 5-1；Gland nut 4 is arranged in the 5-2 of swivel nut hole, clamping screw 2 through gland nut 4, by screw thread and gland nut 4 with the use of, the top of clamping screw 2 is provided with pressing handle 1；
Two support bar 9 bottoms are connected respectively in two support bar bottom connecting hole 19-1 of lower shoe 19, and two support bars 9 are vertically arranged with lower shoe 19；Two support bar 9 tops are connected respectively in two supporting bar top connecting hole 5-1 of upper plate 5, and two support bars 9 are vertically arranged with upper plate 5；
Float plate 15 center is provided with location head bore 15-2, and float plate 15 two ends are arranged with two linear axis bearing bore 15-1；Positioning head 16 is arranged in head bore 15-2 of location, and positioning head one end is stretched out location head bore 15-2, i.e. positioning head one end and highlighted plane in float plate 15；Two linear bearings 14 are each passed through two linear axis bearing bore 15-1；Two linear bearings 14 are respectively fitted on two support bars 9, and can relative slide with support bar 9, drive float plate 15 to move up and down simultaneously；
Mould 8 is made up of two concrete 8-1 of half module, and mould 8 entirety is circular cone shape, and circular cone shape center is provided with passes through hole；The concrete 8-1 of each half module is the half of circular cone shape, the contact surface of two concrete 8-1 of half module is respectively provided with together by groove 8-2, and when two concrete 8-1 of half module are constituted in the frustum of a cone, two of two concrete 8-1 of half module pass through hole by groove 8-2 composition；
Tapered sleeve 7 is in cylindrical shape, and tapered sleeve 7 center is circular cone shape by hole；And the length being shorter in length than mould 8 that tapered sleeve 7 is by hole；
Push-down head 6 includes that push-down head main body 6-2 of screw top pressure head 6-1 and cylindrical shape, screw top pressure head 6-1 are arranged on the upper end of push-down head main body 6-2, i.e. screw top pressure head 6-1 and are arranged on the push-down head main body 6-2 side near clamping screw 2；The diameter of push-down head main body 6-2 is less than the mould 8 internal diameter by hole, and the diameter of screw top pressure head 6-1 is more than the mould 8 internal diameter by hole；
Base 10 is in cylindrical shape, and base 10 upper surface is provided with tapered sleeve seat slot 10-1, and base 10 lower surface is provided with spacing hole 10-2, and the internal diameter of tapered sleeve seat slot 10-1 is more than tapered sleeve 7 diameter；
When the pressure head 6 of slip casting mould set group b, tapered sleeve 7, mould 8, base 10 with the use of time, two concrete 8-1 of half module are with the use of constituting mould 8, mould 8 be arranged on tapered sleeve 7 by hole, be arranged on bottom tapered sleeve 7 in tapered sleeve seat slot 10-1 of base 10, push-down head 6 push-down head main body 6-2 be positioned at tapered sleeve 7 by hole；
Jack c is arranged on the lower section of float plate 15, the top of lower shoe 19.
When making coal petrography sample, coal petrography material is placed in two concrete 8-1 of half module by groove 8-2, by two concrete 8-1 of half module with the use of, by with the use of mould 8 put into tapered sleeve 7 by hole, and a section of mould 8 stretches out tapered sleeve 7 and passes through hole；Tapered sleeve 7 is placed in tapered sleeve seat slot 10-1 of base 10, then by the spacing hole 10-2 of base 10 and positioning head 16 with the use of, slip casting mould set group b is fixed the upper surface in float plate 15；Then push-down head main body 6-2 of push-down head 6 is goed deep into from top tapered sleeve 7 by hole；Regulation pressing handle 1, makes clamping screw 2 compress the screw top pressure head 6-1 of push-down head 6；Start the lower surface of jack c top pressure float plate 15, drive shifting in float plate 15 thus extrude coal petrography material and make coal petrography sample；
When coal petrography sample completes, remove mould 8, and separately two concrete 8-1 of half module, take out coal petrography sample.
Detailed description of the invention two: combine Fig. 1 and present embodiment is described,
Jack c described in present embodiment is provided with Pressure gauge.The condition of coal petrography sample can be controlled by Pressure gauge.
The making pressure condition of coal petrography sample can be controlled by Pressure gauge, coal petrography sample system can be carried out according to practical situation, and coal petrography sample can be improved be fabricated to power.
Other structure and parameter is identical with detailed description of the invention one.
Detailed description of the invention three:
Lower shoe 19 center described in present embodiment is provided with jack c stop zone 19-2.
Other structure and parameter is identical with detailed description of the invention one or two.
Detailed description of the invention four:
The cone angle of the circular cone shape mould 8 described in present embodiment is 6 °.
Owing to the cone angle of circular cone shape mould 8 arranges rationally, under the effect of the pressure, due to tapered sleeve 7 and the cooperation of push-down head 6, the sample in two concrete 8-1 of half module is fabricated to power and is greatly improved.
Other structure and parameter is identical with one of detailed description of the invention one to three.
Detailed description of the invention five:
Threaded with two support bar bottom connecting hole 19-1 of lower shoe 19 respectively in two support bar 9 bottoms of present embodiment.
Other structure and parameter is identical with one of detailed description of the invention one to four.
Detailed description of the invention six:
Threaded with two supporting bar top connecting hole 5-1 of upper plate 5 respectively in two support bar 9 tops of present embodiment.
Other structure and parameter is identical with one of detailed description of the invention one to five.
Detailed description of the invention seven:
Two support bar 9 bottoms of present embodiment are provided with fastening gasket 17 when threadeding with two support bar bottom connecting hole 19-1 of lower shoe 19 respectively.
Other structure and parameter is identical with one of detailed description of the invention one to six.
Detailed description of the invention eight:
Present embodiment is after two support bar 9 tops are connected with upper plate 5 respectively, and two support bar 9 tops are respectively equipped with cheese head screw 3.
Other structure and parameter is identical with one of detailed description of the invention one to seven.
Claims (8)
1. for mechanical property and the coal petrography sample producing device of permeability test, including support (a), slip casting mould set group (b), jack (c)；It is characterized in that: described support (a) includes pressing handle (1), clamping screw (2), gland nut (4), upper plate (5), two support bars (9), two linear bearings (14), float plate (15), positioning head (16) and lower shoe (19)；Described slip casting mould set group (b) includes push-down head (6), tapered sleeve (7), mould (8) and base (10)；
Lower shoe (19) two ends are arranged with two support bar bottoms connecting hole (19-1)；
Upper plate (5) center is provided with gland nut hole (5-2), and upper plate (5) two ends are arranged with two supporting bar top connecting holes (5-1)；Gland nut (4) is arranged in swivel nut hole (5-2), clamping screw (2) passes gland nut (4), by screw thread and gland nut (4) with the use of, the top of clamping screw (2) is provided with pressing handle (1)；
Two support bar (9) bottoms are connected respectively in two support bar bottoms connecting hole (19-1) of lower shoe (19), and two support bars (9) are vertically arranged with lower shoe (19)；Two support bar (9) tops are connected respectively in two supporting bar top connecting holes (5-1) of upper plate (5), and two support bars (9) are vertically arranged with upper plate (5)；
Float plate (15) center is provided with location head bore (15-2), and float plate (15) two ends are arranged with two linear axis bearing bore (15-1)；Positioning head (16) is arranged in location head bore (15-2), and positioning head one end is stretched out location head bore (15-2), i.e. positioning head one end and highlighted the upper plane of float plate (15)；Two linear bearings (14) are each passed through two linear axis bearing bore (15-1)；Two linear bearings (14) are respectively fitted on two support bars (9), and can relative slide with support bar (9), drive float plate (15) to move up and down simultaneously；
Mould (8) is made up of two half modules concrete (8-1), and mould (8) is overall in circular cone shape, and circular cone shape center is provided with passes through hole；Each half module concrete (8-1) is the half of circular cone shape, it is respectively provided with together by groove (8-2) on the contact surface of two half modules concrete (8-1), when two half modules concrete (8-1) are constituted in the frustum of a cone, two of two half modules concrete (8-1) pass through hole by groove (8-2) composition；
Tapered sleeve (7) is in cylindrical shape, and tapered sleeve (7) center is circular cone shape by hole；And the length being shorter in length than mould (8) that tapered sleeve (7) is by hole；
Push-down head (6) includes the push-down head main body (6-2) of screw top pressure head (6-1) and cylindrical shape, screw top pressure head (6-1) is arranged on the upper end of push-down head main body (6-2), i.e. screw top pressure head (6-1) and is arranged on the push-down head main body (6-2) side near clamping screw (2)；The diameter of push-down head main body (6-2) is less than the mould (8) internal diameter by hole, and the diameter of screw top pressure head (6-1) is more than the mould (8) internal diameter by hole；
Base (10) is in cylindrical shape, base (10) upper surface is provided with tapered sleeve seat slot (10-1), base (10) lower surface is provided with spacing hole (10-2), and the internal diameter of tapered sleeve seat slot (10-1) is more than tapered sleeve (7) diameter；
Mould (8) be arranged on tapered sleeve (7) by hole, tapered sleeve (7) bottom is arranged in the tapered sleeve seat slot (10-1) of base (10), push-down head (6) push-down head main body (6-2) be positioned at tapered sleeve (7) by hole；
Jack (c) is arranged on the lower section of float plate (15), the top of lower shoe (19).
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 1, it is characterised in that described jack (c) is provided with Pressure gauge.
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 2, it is characterised in that described lower shoe (19) center is provided with jack (c) stop zone (19-2).
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 3, it is characterised in that the cone angle of described circular cone shape mould (8) is 6 °.
5. according to the coal petrography sample producing device tested for mechanical property and permeability described in claim 1,2,3 or 4, it is characterised in that threaded with two support bar bottoms connecting hole (19-1) of lower shoe (19) respectively in two support bar (9) bottoms.
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 5, it is characterised in that threaded with two supporting bar top connecting holes (5-1) of upper plate (5) respectively in two support bar (9) tops.
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 6, it is characterised in that two support bar (9) bottoms are provided with fastening gasket (17) when threadeding with two support bar bottoms connecting hole (19-1) of lower shoe (19) respectively.
The coal petrography sample producing device tested for mechanical property and permeability the most according to claim 7, after it is characterized in that two support bar (9) tops are connected with upper plate (5) respectively, two support bar (9) tops are respectively equipped with cheese head screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472797.XU CN205607736U (en) | 2016-05-23 | 2016-05-23 | A coal petrography sample making devices for mechanical properties and permeability test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472797.XU CN205607736U (en) | 2016-05-23 | 2016-05-23 | A coal petrography sample making devices for mechanical properties and permeability test |
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| Publication Number | Publication Date |
|---|---|
| CN205607736U true CN205607736U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620472797.XU Expired - Fee Related CN205607736U (en) | 2016-05-23 | 2016-05-23 | A coal petrography sample making devices for mechanical properties and permeability test |
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| Country | Link |
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| CN (1) | CN205607736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283027A (en) * | 2018-11-05 | 2019-01-29 | 长沙岱勒新材料科技股份有限公司 | Diamond wire metallographic specimen producing device and method |
| CN112161856A (en) * | 2020-10-12 | 2021-01-01 | 中原工学院 | Hollow column sample manufacturing device and hollow column sample manufacturing method |
-
2016
- 2016-05-23 CN CN201620472797.XU patent/CN205607736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283027A (en) * | 2018-11-05 | 2019-01-29 | 长沙岱勒新材料科技股份有限公司 | Diamond wire metallographic specimen producing device and method |
| CN109283027B (en) * | 2018-11-05 | 2023-10-13 | 长沙岱勒新材料科技股份有限公司 | Diamond wire metallographic specimen manufacturing device and method |
| CN112161856A (en) * | 2020-10-12 | 2021-01-01 | 中原工学院 | Hollow column sample manufacturing device and hollow column sample manufacturing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20180523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |