CN211061254U - Cement sample collection device - Google Patents
Cement sample collection device Download PDFInfo
- Publication number
- CN211061254U CN211061254U CN201921960733.4U CN201921960733U CN211061254U CN 211061254 U CN211061254 U CN 211061254U CN 201921960733 U CN201921960733 U CN 201921960733U CN 211061254 U CN211061254 U CN 211061254U
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- tube
- sampling head
- inner tube
- cement
- pipe
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Abstract
The utility model relates to a cement sample collection system belongs to the technical field that building powder material quality detected, including inside hollow sampling head, the introduction port has been seted up to the sampling head lateral wall, and the sampling head one end is uncovered and can dismantle and be connected with the outer tube, be connected with the inner tube in the inside cavity of outer tube, the inner tube lateral wall is connected with the exhaust tube, and in the cavity between inner tube and the outer tube was arranged in to the exhaust tube, be equipped with filter screen in the sampling head, the lateral wall fixed connection of exhaust tube one end and inner tube, the exhaust tube other end was arranged in between filter screen and the sampling head, and the lateral wall of inner tube and outer tube is connected with the. The utility model discloses have and take out gas through the vacuum pump and make the cement laminating inseparabler, the operation is simpler, laborsaving effect.
Description
Technical Field
The utility model belongs to the technical field of the technique that building powder material quality detected and specifically relates to a cement sample collection system is related to.
Background
The cement is a powdery hydraulic inorganic cementing material, and the concrete made of the cement cemented macadam has higher strength after hardening and can resist the erosion of fresh water or salt water. As an important cementing material, the high-performance cement is widely applied to engineering such as civil construction, water conservancy, national defense and the like for a long time. The quality of cement is influenced by the content of each component, the content of impurities, the production process and the like of the cement, and the quality of the cement influences the quality of buildings, so that China has a plurality of detection standards for monitoring the quality of the cement, and the quality of the cement must be detected before a user uses the cement.
The utility model discloses a utility model patent that grant publication number is CN204008208U discloses a cement sample collection system for engineering supervision, including a main section of thick bamboo, antiskid cover, income appearance mouth, button, conical sample head, flourishing appearance mouth, push away fill, handle, support nail, rivet, push rod and buckle part. The lower end of the main cylinder is symmetrically provided with sample inlets, and the lower end of each sample inlet is provided with a sample containing port vertical to the surface of the sample inlet. The lower end of the outer part of the main barrel is symmetrically provided with buttons, the heads of the buttons are exposed out of the outer part of the main barrel, and the buttons are embedded into the barrel and integrally connected with a buckle part arranged in the barrel. The button lower extreme is provided with conical sample head promptly at a main section of thick bamboo end for hold the cement sample of gathering, is provided with buckle parts at conical sample head opening end department symmetry, and buckle parts are integrative with conical sample head, and conical sample head is connected through setting up the buckle parts at conical sample head and a main section of thick bamboo inside respectively with a main section of thick bamboo, is provided with the push rod in a main section of thick bamboo inside. The utility model discloses a can preset a plurality of conical sample heads, dismantle the installation labour saving and time saving.
The above prior art solutions have the following drawbacks: the utility model discloses a promote the pushing away fill through the staff and extrude cement, operating personnel will extrude hard just to make the cement laminating inseparable, and the operation is hard, and the collection sample is more, easy tired.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a cement sample collection system takes out gas through the vacuum pump and makes the cement laminating inseparabler, operates simplyr, laborsaving.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a cement sample collection system, includes inside hollow sampling head, and the introduction port has been seted up to the sampling head lateral wall, and the uncovered and dismantlement in sampling head one end is connected with the outer tube, be connected with the inner tube in the inside cavity of outer tube, the inner tube lateral wall is connected with the exhaust tube, and the exhaust tube is arranged in the cavity between inner tube and the outer tube, is equipped with filter screen in the sampling head, and the lateral wall fixed connection of exhaust tube one end and inner tube, the exhaust tube other end are arranged in between filter screen and the sampling head, and the lateral wall of inner tube and outer tube is connected with.
Through adopting above-mentioned technical scheme, take away the air in the cement sample in the head of will sampling through the vacuum pump for the cement sample pastes more really, increases the sample acquisition volume, and easy operation uses laborsavingly.
The utility model discloses further set up to: the utility model discloses a sampling device, including inner tube and outer tube, the diapire inboard that the inner tube is close to the sampling head is connected with the spring, and the other end butt of spring has first piston, and the other end fixedly connected with movable rod of first piston, movable rod are close to inner tube roof one end and are connected with the second piston, and the movable rod is kept away from sampling head one end and is worn out from the roof that the sampling head was kept away from to inner tube and outer.
By adopting the technical scheme, one end of the movable rod, which is far away from the sampling head, penetrates out of the top wall, which is far away from the sampling head, of the inner tube and the outer tube, so that an operator can conveniently push the movable rod, the exhaust tube and the vacuum pump are connected into a passage, and air exhaust is started; after the completion of bleeding, the pulling movable rod makes first piston be located between exhaust tube and vacuum pump connection's the position, blocks the passageway that exhaust tube and vacuum pump are even become, after changing sampling head down, operating personnel promotes the movable rod once more to be in between the diapire of exhaust tube and inner tube to first piston, begins to gather the second sample, gathers a plurality of sample in-process, need not close the vacuum pump many times repeatedly, and it is more convenient to operate, improves work efficiency.
The utility model discloses further set up to: the side wall of the inner pipe is connected with a through pipe which penetrates out from the side wall of the outer pipe.
By adopting the technical scheme, after the first sample is collected, the movable rod is pulled to enable the second piston to be positioned between the through pipe and the top wall of the inner pipe, at the moment, the first piston is positioned in the area between the inner pipe and the vacuum pump and the exhaust pipe, the vacuum pump and the through pipe form a passage, and gas outside the outer pipe is extracted, so that a large negative pressure is prevented from being formed in a cavity of the inner pipe, the damage to other parts in the inner pipe and the inner pipe is reduced, and the service life is prolonged; when a first sample in the sampling head begins to collect a second sample, the movable rod is pushed to enable the first piston to be located between the bottom walls of the air exhaust pipe and the inner pipe, the second piston is located between the areas where the through pipe is connected with the vacuum pump, the air exhaust pipe and the vacuum pump form the same path, and gas mixed with the cement sample in the sampling head penetrates through the filter mesh and is exhausted along the air exhaust pipe and the vacuum pump.
The utility model discloses further set up to: one end of the movable rod, which is far away from the sampling head, is connected with a round block.
By adopting the technical scheme, the stress area of the pressing part of the hand is increased, and the operation is more convenient and comfortable for operators.
The utility model discloses further set up to: the side wall of the outer tube is fixedly connected with a U-shaped handle.
Through adopting above-mentioned technical scheme, when operating personnel carried cement sample collection system, can grip the handle, convenient operation and laborsaving.
The utility model discloses further set up to: the sample inlet is fixedly connected with a plurality of barrier strips along the axial direction of the sampling head.
Through adopting above-mentioned technical scheme, because the effect of separation blade, when taking out in the cement bag is followed to the sampling head, can reduce the volume that the cement sample in the cement bag breach scraped off the edge in with the sampling head.
The utility model discloses further set up to: the sampling head is provided with a plurality of sampling heads in a set.
Through adopting above-mentioned technical scheme, after having gathered a sample, the sampling head that takes off need not be used for gathering next sample after clean up at every turn, can improve work efficiency, can alleviate again that preceding sample remains on sampling head and filter screen, causes the interference to the measured data of next sample.
To sum up, the utility model discloses a beneficial technological effect does:
1. air in the cement sample in the sampling head is pumped away through the vacuum pump, so that the cement sample is more tightly attached, the sample collection amount is increased, the operation is simple, and the use is labor-saving;
2. the stress area of the pressing part of the hand is increased, and the operation is more convenient and comfortable for operators;
3. the amount of scraping off the cement sample in the sampling head by the edge of the crack of the cement bag can be reduced;
4. the interference of the previous sample remaining on the sampling head and the filter screen to the measurement data of the next sample can be reduced;
drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of portion A-A of FIG. 1;
fig. 3 is an exploded view for illustrating the connection of the parts.
Reference numeral, 1, a sampling head; 11. a sample inlet; 12. blocking strips; 13. a slot; 2. an outer tube; 21. a fifth port; 22. a sixth port; 23. a seventh port; 24. a handle; 3. an inner tube; 31. a first port; 32. a second port; 33. a third port; 34. pipe passing; 35. a fourth port; 4. a vacuum pumping assembly; 41. an air exhaust pipe; 42. a spring; 43. a first piston; 44. a movable rod; 45. a second piston; 46. a round block; 5. a filter mesh sheet; 6. and (4) a vacuum pump pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the cement sample collection device disclosed by the utility model comprises a hollow conical sampling head 1, which is convenient to be inserted into a cement bag, wherein an isosceles trapezoid-shaped sample inlet 11 is arranged on the conical surface of the sampling head 1, so that cement can conveniently enter the sampling head 1; sampling head 1 keeps away from most advanced one end uncovered and threaded connection has cylinder tube-shape outer tube 2, is connected with inside hollow cylinder form inner tube 3 in the inside cavity of outer tube 2, is equipped with evacuation subassembly 4 in the inside cavity of inner tube 3 for become to paste the cement sample in the sampling head 1, increase the cement sample volume in the sampling head 1.
Referring to fig. 1 and 2, the inside of the sampling head 1 is sleeved with a filter mesh 5 matched with the sampling head, and the tip of the filter mesh 5 is connected with the tip of the sampling head 1. The aperture of the filter screen 5 is smaller than the cement particle size, so that gas can only pass through, cement powder cannot pass through, and when the vacuumizing assembly 4 works, air in the sampling head 1 can be discharged, so that the cement powder in the sampling head 1 is attached more tightly, and more samples can be collected. A plurality of strip-shaped barrier strips 12 are axially welded on the sampling port 11 along the sampling head 1, and are used for reducing the possibility that cement samples in the sampling head 1 are scraped by the edge of the crack of the cement bag when the sampling head 1 is taken out of the cement bag.
Referring to fig. 2 and 3, the inner side of the bottom wall of the outer tube 2 is welded with a cylindrical inner tube 3 with a hollow interior, the side wall of the inner tube 3 facing away from the sample inlet 11 is provided with a first circular opening 31, the first opening 31 is connected with an air suction tube 41 with a shape of "L", the air suction tube 41 is arranged in the cavity between the inner tube 3 and the outer tube 2, the other end of the air suction tube 41 extends towards the sampling head 1 and is arranged between the filter mesh 5 and the sampling head 1, so as to facilitate the extraction of gas in the sampling head 1, the inner tube 3 is fixedly connected with a spring 42 near the inner side of the bottom wall of the sampling head 1, the other end of the spring 42 is connected with a first cylindrical piston 43, the other end of the first piston 43 is fixedly connected with a cylindrical movable rod 44 for pushing and pulling the first piston 43, the side wall of the inner tube 3 opposite to the first opening 31 is provided with a second circular opening 32, the second opening 32 is connected with a vacuum pump tube 6, the vacuum pump tube 6 is connected with the vacuum pump tube 6 at the other end of the inner tube 3, the side wall of the inner tube 3 is provided with a third opening 33, the third opening is connected with a tubular opening 34 for communicating the inner tube 3 with a vacuum pump tube, so as to reduce the possibility of the inner tube 3, the possibility of the vacuum pump tube is located between the bottom wall of the vacuum pump tube and the vacuum pump tube, the vacuum pump tube 35, the vacuum pump tube 35, the vacuum tube 35 is located between the vacuum tube, the bottom wall of the vacuum tube, the vacuum pump tube 35, the vacuum tube 35 is located between the vacuum tube, the bottom wall of the vacuum tube, the vacuum pump tube, the vacuum tube.
Referring to fig. 2 and 3, the sidewall of the outer tube 2 is opened with a fifth port 21 facing the second port 32 so that the vacuum pump tube 6 extends out of the outer tube 2; the lateral wall of outer tube 2 has just seted up sixth through-hole 22 to third through-hole 33, and the siphunculus 34 of being convenient for stretches out outer tube 2, and the roof that sampling head 1 was kept away from to outer tube 2 has just seted up seventh through-hole 23 to fourth through-hole 35, and the movable rod 44 of being convenient for passes outer tube 2. A round block 46 is welded at one end of the movable rod 44 close to the seventh through opening 23, so that an operator can push and pull the movable rod 44 conveniently. The side wall of the outer tube 2 is welded or bonded with a U-shaped handle 24, so that an operator can grasp the cement sample collecting device conveniently and carry the cement sample collecting device.
The specific use mode of the embodiment is as follows: an operator firstly screws the sampling head 1 onto the outer tube 2, pushes the movable rod 44 to enable the second piston 45 to be located between the vacuum pump tube 6 and the through tube 34, the first piston 43 to be located between the air exhaust tube 41 and the bottom wall of the inner tube 3, the air exhaust tube 41 and the vacuum pump tube 6 are connected into a passage, a switch of the vacuum pump is turned on to start air exhaust, gas mixed with a cement sample in the sampling head 1 penetrates through the filter mesh 5 and is exhausted along the air exhaust tube 41, the first through opening 31, the second through opening 32 and the vacuum pump tube 6, the cement sample is combined more tightly, and the sample amount is increased; after air extraction is completed, the movable rod 44 is pulled to enable the first piston 43 to be located between the connection position of the air extraction pipe 41 and the vacuum pump pipe 6, a passage formed by connecting the air extraction pipe 41 and the vacuum pump pipe 6 is blocked, a passage formed by connecting the through pipe 34 and the vacuum pump pipe 6 is connected, air outside the outer pipe 2 is extracted, large negative pressure is prevented from being formed in a cavity of the inner pipe 3, the sampling head 1 is taken down to be replaced or a sample inside the sampling head is poured out and then connected onto the outer pipe 2 again, an operator pushes the movable rod 44 again until the first piston 43 is located between the air extraction pipe 41 and the bottom wall of the inner pipe 3, and collection of a second sample is started.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a cement sample collection device, includes inside hollow sampling head (1), and introduction port (11) have been seted up to sampling head (1) lateral wall, and sampling head (1) one end is uncovered and can dismantle and be connected with outer tube (2), its characterized in that: be connected with inner tube (3) in the inside cavity of outer tube (2), inner tube (3) lateral wall is connected with exhaust tube (41), and in the cavity between inner tube (3) and outer tube (2) was arranged in to exhaust tube (41), be equipped with filter screen piece (5) in sampling head (1), the lateral wall fixed connection of exhaust tube (41) one end and inner tube (3), during filter screen piece (5) and the intermediate layer between sampling head (1) were arranged in to exhaust tube (41) other end, the lateral wall of inner tube (3) and outer tube (2) was connected with vacuum pump pipe (6).
2. A cement sample collection device as defined in claim 1, wherein: the utility model discloses a sampling device, including inner tube (3), sampling head (1), bottom wall inboard that inner tube (3) are close to sampling head (1) is connected with spring (42), and the other end butt joint of spring (42) has first piston (43), and the other end fixedly connected with movable rod (44) of first piston (43), and movable rod (44) are close to inner tube (3) roof one end and are connected with second piston (45), and sampling head (1) one end is kept away from in movable rod (44) and the roof of keeping away from sampling head (1) is worn out from inner tube (3) and outer tube (2).
3. A cement sample collection device as defined in claim 2, wherein: the side wall of the inner pipe (3) is connected with a through pipe (34), and the through pipe (34) penetrates out of the side wall of the outer pipe (2).
4. A cement sample collection device as defined in claim 3, wherein: one end of the movable rod (44) far away from the sampling head (1) is connected with a round block (46).
5. A cement sample collection device as defined in claim 4, wherein: the side wall of the outer tube (2) is fixedly connected with a handle (24).
6. A cement sample collection device as defined in claim 5, wherein: a plurality of barrier strips (12) are fixedly connected with the sampling head (1) in the sample inlet (11) along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960733.4U CN211061254U (en) | 2019-11-13 | 2019-11-13 | Cement sample collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960733.4U CN211061254U (en) | 2019-11-13 | 2019-11-13 | Cement sample collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061254U true CN211061254U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921960733.4U Expired - Fee Related CN211061254U (en) | 2019-11-13 | 2019-11-13 | Cement sample collection device |
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| Country | Link |
|---|---|
| CN (1) | CN211061254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095456A (en) * | 2019-04-12 | 2019-08-06 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | A kind of tobacco virus detection display and application method |
-
2019
- 2019-11-13 CN CN201921960733.4U patent/CN211061254U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095456A (en) * | 2019-04-12 | 2019-08-06 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | A kind of tobacco virus detection display and application method |
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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: 20200721 Termination date: 20211113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |