CN204302077U - Square coal sample preparation device - Google Patents
Square coal sample preparation device Download PDFInfo
- Publication number
- CN204302077U CN204302077U CN201420870790.4U CN201420870790U CN204302077U CN 204302077 U CN204302077 U CN 204302077U CN 201420870790 U CN201420870790 U CN 201420870790U CN 204302077 U CN204302077 U CN 204302077U
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- China
- Prior art keywords
- coal sample
- upper cover
- square
- cover plate
- district
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of square coal sample preparation device, comprise sample box, pressing plate and upper cover plate, the top of sample box is hatch frame, the external wall of upper portion of sample box is fixed with engaging lug, dividing plate lower space being divided into multiple coal sample and preparing district is detachably installed in sample box, the bottom that each coal sample prepares district has air-vent, the shape that coal sample prepares district is cuboid or square, pressing plate is arranged in sample box, pressing plate is positioned at the top that coal sample prepares district, upper cover plate is arranged on the top of sample box, spring retainer post is fixed with bottom upper cover plate, spring retainer post is set with and executes stressed spring to pressing plate, spring upper end is connected with bottom upper cover plate, upper cover plate periphery has the second screwed hole, upper cover plate is fixedly connected with sample box by stay bolt.The utility model can easily prepare cuboid coal sample and square coal sample, can simulate the shape of working face in practical condition, with the demand of satisfied complicated scientific experiment, experimental result can be made to reflect practical condition.
Description
Technical field
The utility model relates to a kind of coal sample preparation device, especially relates to a kind of square coal sample preparation device.
Background technology
Along with the economy of China and the development of mine engineering, more strict to the requirement of mine safety.In order to ensure safety, economical, produce efficiently, must further investigate coal.In laboratory environments, the characteristic of Study on Coal is carried out mainly through coal sample.Preparation coal sample is the prerequisite of laboratory research coal sample, and its preparation method and Preparation equipment receive the concern of related researcher always.At present, common coal sample preparation is mainly drill hole sampling, and the coal sample profile of preparation is cylinder, and in coal production, the shape of working face is rectangle, cylinder coal sample can not simulate the shape of working face in practical condition, can not meet the demand of complicated scientific experiment; And due to square coal sample cannot be prepared, usually cause many experimental results can not reflect practical condition completely.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of square coal sample preparation device is provided, its structure is simple, reasonable in design and use easy to operate, cuboid coal sample and square coal sample can easily be prepared, the shape of working face in practical condition can be simulated, with the demand of satisfied complicated scientific experiment, experimental result can be made to reflect practical condition.
For achieving the above object, the technical solution adopted in the utility model is: a kind of square coal sample preparation device, it is characterized in that: comprise sample box, pressing plate and upper cover plate, the top of described sample box is hatch frame, the external wall of upper portion of described sample box is fixed with engaging lug, described engaging lug has the first screwed hole, dividing plate lower space being divided into multiple coal sample and preparing district is detachably installed in described sample box, the bottom that each coal sample prepares district has air-vent, the shape that described coal sample prepares district is cuboid or square, described pressing plate is arranged in sample box, described pressing plate is positioned at the top that coal sample prepares district, described upper cover plate is arranged on the top of sample box, the bottom of described upper cover plate is fixed with spring retainer post, described spring retainer post is set with and executes stressed spring to pressing plate, the upper end of described spring is connected with the bottom of upper cover plate, the periphery of described upper cover plate has the second screwed hole, described upper cover plate is through being fixedly connected with sample box with the stay bolt of described first screwed hole through described second screwed hole successively.
Above-mentioned square coal sample preparation device, is characterized in that: the top of described pressing plate has groove, is provided with foil gauge in described groove, and the lower end of described spring holds out against in foil gauge.
Above-mentioned square coal sample preparation device, is characterized in that: described coal sample prepare district, spring retainer post and foil gauge quantity equal and be multiple, the top correspondence that each coal sample prepares district arranges a foil gauge and a spring retainer post.
Above-mentioned square coal sample preparation device, is characterized in that: be provided with rubber sheet gasket between the head of described stay bolt and upper cover plate.
Above-mentioned square coal sample preparation device, is characterized in that: described air-vent opens the place of bottom centre of preparing district in coal sample.
Above-mentioned square coal sample preparation device, is characterized in that: the quantity that described coal sample prepares the air-vent bottom district is multiple.
Above-mentioned square coal sample preparation device, is characterized in that: the shape of described sample box is square.
Above-mentioned square coal sample preparation device, is characterized in that: the shape of described upper cover plate is square.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design and use easy to operate.
2, the utility model can prepare cuboid coal sample and square coal sample, cuboid coal sample and square coal sample are all identical with the shape of working face in coal production, the shape of working face in practical condition can be simulated, the demand of complicated scientific experiment can be met, and experimental result can be made to reflect practical condition.
3, the utility model solves the problem that cylindrical coal sample cannot simulate coal mine work area in practical condition, can prepare cuboid coal sample and square coal sample easily, overcome the defect that existing experiment cannot prepare square coal sample.
4, the utility model accurately can not only control pressure prepared by coal sample by foil gauge, and can collect stress suffered by coal sample, strain information exactly, is conducive to carrying out later experiments.
5, the utility model solves the uneven problem in tradition preparation coal sample surface by pressing plate, simplify the process of coal sample surface finish, apply pressure by pressing plate to solve preparation coal sample due to gravity and cause the problem of coal sample interior laminate layer, density unevenness, effectively can control the uniformity of batch preparation coal sample, ensure the quality of preparation coal sample, and then guarantee the accuracy of experiment.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-upper cover plate; 2-spring retainer post; 3-spring;
4-pressing plate; 5-foil gauge; 6-stay bolt;
7-rubber sheet gasket; 8-dividing plate; 9-engaging lug;
10-air-vent; 11-sample box; 12-coal sample prepares district.
Detailed description of the invention
As shown in Figure 1, the utility model comprises sample box 11, pressing plate 4 and upper cover plate 1, the top of described sample box 11 is hatch frame, the external wall of upper portion of described sample box 11 is fixed with engaging lug 9, described engaging lug 9 has the first screwed hole, the dividing plate 8 lower space being divided into multiple coal sample and preparing district 12 is detachably installed in described sample box 11, the bottom that each coal sample prepares district 12 has air-vent 10, the shape that described coal sample prepares district 12 is cuboid or square, described pressing plate 4 is arranged in sample box 11, described pressing plate 4 is positioned at the top that coal sample prepares district 12, described upper cover plate 1 is arranged on the top of sample box 11, the bottom of described upper cover plate 1 is fixed with spring retainer post 2, described spring retainer post 2 is set with and executes stressed spring 3 to pressing plate 4, the upper end of described spring 3 is connected with the bottom of upper cover plate 1, the periphery of described upper cover plate 1 has the second screwed hole, described upper cover plate 1 is through being fixedly connected with sample box 11 with the stay bolt 6 of described first screwed hole through described second screwed hole successively.
As shown in Figure 1, the top of described pressing plate 4 has groove, is provided with foil gauge 5 in described groove, and the lower end of described spring 3 holds out against in foil gauge 5; The setting of foil gauge 5 accurately can not only control pressure prepared by coal sample, and can collect stress suffered by coal sample, strain information exactly, is conducive to carrying out later experiments.
As shown in Figure 1, described coal sample prepare district 12, spring retainer post 2 and foil gauge 5 quantity equal and be multiple, the top correspondence that each coal sample prepares district 12 arranges a foil gauge 5 and a spring retainer post 2.
As shown in Figure 1, between the head of described stay bolt 6 and upper cover plate 1, be provided with rubber sheet gasket 7, ensure head and upper cover plate 1 close contact of stay bolt 6, and then guarantee to apply stable pressure to coal sample.
As shown in Figure 1, described air-vent 10 opens the place of bottom centre of preparing district 12 in coal sample, is beneficial to the permeable drying and moulding of coal sample.
As shown in Figure 1, the quantity of the air-vent 10 that described coal sample is prepared bottom district 12 is multiple, is convenient to coal sample rapid draing shaping.
In the present embodiment, the shape of described sample box 11 is square.
In the present embodiment, the shape of described upper cover plate 1 is square.
Operation principle of the present utility model is: during use, prepare in district 12 in coal sample and fill up coal dust, then pressing plate 4 is placed in sample box 11 so that coal dust is covered, again upper cover plate 1, spring retainer post 2 and spring 3 entirety are placed on pressing plate 4, finally upper cover plate 1 is fixedly connected with sample box 11 with the first screwed hole through the second screwed hole by stay bolt 6 successively, what regulate stay bolt 6 tightens length, spring 3 is made to apply suitable pressure to foil gauge 5, pressing plate 4 is pressed in coal sample, by pressing plate 4, pressure is passed to coal dust, to prepare square coal sample.In above-mentioned square process of preparing coal sample, coal sample pressure can be kept constant by spring 3, by regulate stay bolt 6 tighten length, to regulate the pressure suffered by coal sample.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a square coal sample preparation device, it is characterized in that: comprise sample box (11), pressing plate (4) and upper cover plate (1), the top of described sample box (11) is hatch frame, the external wall of upper portion of described sample box (11) is fixed with engaging lug (9), (9) have the first screwed hole to described engaging lug, the dividing plate (8) lower space being divided into multiple coal sample and preparing district (12) is detachably installed in described sample box (11), the bottom that each coal sample prepares district (12) has air-vent (10), the shape that described coal sample prepares district (12) is cuboid or square, described pressing plate (4) is arranged in sample box (11), described pressing plate (4) is positioned at the top that coal sample prepares district (12), described upper cover plate (1) is arranged on the top of sample box (11), the bottom of described upper cover plate (1) is fixed with spring retainer post (2), described spring retainer post (2) is set with and executes stressed spring (3) to pressing plate (4), the upper end of described spring (3) is connected with the bottom of upper cover plate (1), the periphery of described upper cover plate (1) has the second screwed hole, described upper cover plate (1) is through being fixedly connected with sample box (11) with the stay bolt (6) of described first screwed hole through described second screwed hole successively.
2. according to square coal sample preparation device according to claim 1, it is characterized in that: the top of described pressing plate (4) has groove, be provided with foil gauge (5) in described groove, the lower end of described spring (3) holds out against in foil gauge (5).
3. according to square coal sample preparation device according to claim 2, it is characterized in that: described coal sample prepare district (12), spring retainer post (2) and foil gauge (5) quantity equal and be multiple, the top correspondence that each coal sample prepares district (12) arranges a foil gauge (5) and a spring retainer post (2).
4. according to the square coal sample preparation device described in claim 1,2 or 3, it is characterized in that: between the head of described stay bolt (6) and upper cover plate (1), be provided with rubber sheet gasket (7).
5. according to the square coal sample preparation device described in claim 1,2 or 3, it is characterized in that: described air-vent (10) opens the place of bottom centre of preparing district (12) in coal sample.
6. according to the square coal sample preparation device described in claim 1,2 or 3, it is characterized in that: the quantity that described coal sample prepares the air-vent (10) of bottom, district (12) is multiple.
7. according to the square coal sample preparation device described in claim 1,2 or 3, it is characterized in that: the shape of described sample box (11) is square.
8. according to the square coal sample preparation device described in claim 1,2 or 3, it is characterized in that: the shape of described upper cover plate (1) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870790.4U CN204302077U (en) | 2014-12-31 | 2014-12-31 | Square coal sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870790.4U CN204302077U (en) | 2014-12-31 | 2014-12-31 | Square coal sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302077U true CN204302077U (en) | 2015-04-29 |
Family
ID=53107608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870790.4U Expired - Fee Related CN204302077U (en) | 2014-12-31 | 2014-12-31 | Square coal sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132280A (en) * | 2015-08-20 | 2015-12-09 | 金寨县利民生物科技有限公司 | Turnover fixing device for mechanical wall breaking drum for ganoderma lucidum |
| CN115962982A (en) * | 2022-11-17 | 2023-04-14 | 江苏华安科研仪器有限公司 | Stratum coal sample preparation device and method convenient for testing coal sample performance |
-
2014
- 2014-12-31 CN CN201420870790.4U patent/CN204302077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132280A (en) * | 2015-08-20 | 2015-12-09 | 金寨县利民生物科技有限公司 | Turnover fixing device for mechanical wall breaking drum for ganoderma lucidum |
| CN115962982A (en) * | 2022-11-17 | 2023-04-14 | 江苏华安科研仪器有限公司 | Stratum coal sample preparation device and method convenient for testing coal sample performance |
| CN115962982B (en) * | 2022-11-17 | 2023-09-26 | 江苏华安科研仪器有限公司 | Stratum coal sample preparation device convenient for testing coal sample performance and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150429 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |