CN214703234U - Accurate test device of stratum nature water permeability under deep water - Google Patents
Accurate test device of stratum nature water permeability under deep water Download PDFInfo
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- CN214703234U CN214703234U CN202120216492.3U CN202120216492U CN214703234U CN 214703234 U CN214703234 U CN 214703234U CN 202120216492 U CN202120216492 U CN 202120216492U CN 214703234 U CN214703234 U CN 214703234U
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Abstract
The utility model discloses an accurate test device of deep water stratum nature permeability, protect a section of thick bamboo including the steel, the steel protects a section of thick bamboo top and is provided with first internal thread circle on the internal diameter all around, first external thread circle top fixedly connected with top cap, top cap top front end intermediate position fixedly connected with touches the water indicator, the steel protects fixedly connected with second external thread circle on the lateral wall all around of a section of thick bamboo bottom, second internal thread circle bottom fixed connection bottom. The utility model discloses in, touch after water probe and the surface of water contact immediately be about for signal transmission and touch the water indicator, close the motor through the controller simultaneously, the cable conductor measuring rope stops to descend, can calculate the infiltration capacity of rock stratum through the scale on the cable conductor measuring rope, protects threaded connection between the first internal thread circle on the section of thick bamboo and the second external thread circle through the steel and can protect a section of thick bamboo as required with the steel and assemble the length that protects a section of thick bamboo in order to adjust the steel, is worth wideling popularize.
Description
Technical Field
The utility model relates to a groundwater test technical field especially relates to an accurate test device of deep water stratum nature water permeability.
Background
Before the construction of the bridge, due to the complex geological condition of the drainage basin, the geology of the main bridge bearing platform is sequentially provided with a dense large-particle-size pebble layer, a strongly weathered fine sandstone layer and a moderately weathered argillaceous silty sandstone layer from top to bottom, and the particle size of the pebble layer is up to 80cm at most. The bearing platform is constructed by adopting a steel sheet pile cofferdam, the bottom of the steel sheet pile cofferdam is positioned in a weathered argillaceous silty stratum, joints of the stratum develop and have certain water permeability, so that the water permeability of the stratum in a natural state needs to be accurately measured before construction, and the water permeability is used for calculating the whole water seepage amount of the cofferdam base.
The existing test method is a bedrock core sample penetration test, the test method is not close to the actual natural condition, so that the test structure is inaccurate, the existing test device is highly fixed, and the device cannot be tested when the ground distance is deep, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an accurate testing device for the natural water permeability of the stratum under deep water.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an accurate test device for natural water permeability of a stratum under deep water comprises a steel casing, wherein a first inner thread ring is arranged on the inner diameter of the periphery of the top of the steel casing, a first outer thread ring is connected on the first inner thread ring in a threaded manner, a top cover is fixedly connected to the top of the first outer thread ring, a motor is fixedly connected to the middle position of the left side of the top cover, the output end of the motor is fixedly connected with a rotating shaft, a cable measuring rope is arranged on the rotating shaft, a water contact indicating gauge is fixedly connected to the middle position of the front end of the top cover, a controller is fixedly connected to the middle position of the rear end of the top cover, a water pump is fixedly connected to the middle position of the right side of the top cover, the bottom of the water pump penetrates through the top cover and is fixedly connected with a water pumping pipe, a second outer thread ring is fixedly connected to the peripheral side wall of the bottom of the steel casing, and a second inner thread ring is connected to the second outer thread ring, the bottom of the second internal thread ring is fixedly connected with a bottom cover.
As a further description of the above technical solution:
the cable conductor measuring rope one end runs through the top cap and fixedly connected with touches the water probe, touch the water probe and touch electric connection between the water indicator.
As a further description of the above technical solution:
the water contact indicator is electrically connected with the controller.
As a further description of the above technical solution:
it seems that the right side of the water pump is provided with a water outlet pipe.
As a further description of the above technical solution:
and a graduated scale is arranged on the cable measuring rope.
As a further description of the above technical solution:
one end of the rotating shaft is rotatably connected with a fixing plate, and the fixing plate is fixedly connected to the top of the top cover.
As a further description of the above technical solution:
the bottom cover is provided with uniformly and densely distributed filter holes in a penetrating way.
As a further description of the above technical solution:
the first inner thread ring and the second outer thread ring are in threaded connection.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, at first utilize the water of the poor guide outside of flood peak to see through in the basement rock stratum infiltration steel protects a section of thick bamboo, the motor rotates and drives the cable conductor and measures the rope decline, touch behind water probe and the surface of water contact promptly signal transmission for touching the water indicator, close the motor through the controller simultaneously, the cable conductor is measured the rope and is stopped descending, the infiltration capacity of rock stratum can be calculated to the scale on the rope through the cable conductor measurement, more general basement rock core appearance permeation test presses close to actual natural behavior more, more can reflect the water permeability under the stratum natural state.
2. The utility model discloses in, through threaded connection between first internal thread circle on the steel protects a section of thick bamboo and the second external thread circle can protect a section of thick bamboo with the steel and assemble the length in order to adjust a section of thick bamboo as required to be applicable to and test the underground water permeability of the different degree of depth, can prevent through the filtration pore on the bottom that silt in the stratum from carrying out the steel and protecting a section of thick bamboo in, avoid silt to cause the influence to the test result, be worth wideling popularize.
Drawings
FIG. 1 is a perspective view of an apparatus for accurately testing the natural permeability of a deep water formation according to the present invention;
FIG. 2 is an exploded view of an apparatus for accurately testing the natural permeability of a deep water formation according to the present invention;
fig. 3 is a schematic diagram of the steel casing assembly of the device for testing the natural water permeability of the formation in deep water according to the present invention.
Illustration of the drawings:
1. a steel casing; 2. a top cover; 3. a bottom cover; 4. a water contact indicator; 5. a motor; 6. a rotating shaft; 7. a cable line measuring rope; 8. a controller; 9. a fixing plate; 10. a water pump; 11. a water outlet pipe; 12. a water pumping pipe; 13. a water contact probe; 14. a first external thread turn; 15. a first internally threaded ring; 16. a second outer thread turn; 17. filtering holes; 18. a second internally threaded ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: an accurate test device for natural water permeability of a stratum under deep water comprises a steel casing 1, a first inner thread ring 15 is arranged on the inner diameter of the periphery of the top of the steel casing 1, a first outer thread ring 14 is in threaded connection with the first inner thread ring 15, a top cover 2 is fixedly connected with the top of the first outer thread ring 14, a motor 5 is fixedly connected with the middle position of the left side of the top cover 2, a rotating shaft 6 is fixedly connected with the output end of the motor 5, a cable measuring rope 7 is arranged on the rotating shaft 6, a water contact indicating meter 4 is fixedly connected with the middle position of the front end of the top cover 2, a controller 8 is fixedly connected with the middle position of the rear end of the top cover 2, water outside is guided to permeate into the steel casing 1 through a base rock stratum by using a water head difference, the motor 5 rotates to drive the cable measuring rope 7 on the rotating shaft 6 to descend, a water contact probe 13 is in contact with the water surface to immediately transmit a signal to the water contact indicating meter 4, meanwhile, the motor 5 is turned off through the controller 8, the cable measuring rope 7 stops descending, the water seepage amount of the rock stratum can be calculated through the scales on the cable measuring rope 7, the water seepage amount is closer to the actual natural situation compared with the common bed rock core sample seepage test and can reflect the water permeability of the natural state of the stratum, the water pump 10 is fixedly connected to the middle position of the right side of the top part of the top cover 2, the bottom of the water pump 10 penetrates through the top cover 2 and is fixedly connected with a water pumping pipe 12, the peripheral side wall of the bottom of the steel casing 1 is fixedly connected with a second external thread ring 16, the second external thread ring 16 is in threaded connection with a second internal thread ring 18, the bottom of the second internal thread ring 18 is fixedly connected with the bottom cover 3, the water in the steel casing 1 can be pumped out of the steel casing 1 through the water outlet pipe 11 when the water pump 10 works, the water in the steel casing 1 can be pumped out of the steel casing 1 through the water outlet pipe 12, and is in threaded connection with the first internal thread ring 15 on the steel casing 1 at the top part through the first external thread ring 14 on the top cover 2, the top cover 2 can be installed on the steel casing 1, and the bottom cover 3 can be installed at the bottom end of the steel casing 1 through the threaded connection between the second inner thread ring 18 on the bottom cover 3 and the second outer thread ring 16 on the bottommost steel casing 1.
One end of the cable measuring rope 7 penetrates through the top cover 2 and is fixedly connected with a water contact probe 13, the water contact probe 13 is electrically connected with the water contact indicating gauge 4, the water contact indicating gauge 4 is electrically connected with the controller 8, the right side of the water pump 10 seems to be provided with a water outlet pipe 11, the cable measuring rope 7 is provided with a graduated scale, one end of the rotating shaft 6 is rotatably connected with a fixing plate 9, the fixing plate 9 is fixedly connected with the top of the top cover 2, the bottom cover 3 is penetrated and provided with filter holes 17 which are uniformly and densely distributed, the silt in the rock stratum can be prevented from entering the steel casing 1 through the filter holes 17 on the bottom cover 3, the first inner thread ring 15 is in threaded connection with the second outer thread ring 16, through threaded connection between first interior thread circle 15 and the second exterior thread circle 16 on the steel protects a section of thick bamboo 1 and can assemble steel protects a section of thick bamboo 1 as required in order to adjust the length of a section of thick bamboo 1 to be applicable to and test the secret water permeability of different degree of depth.
The working principle is as follows: the water head difference is utilized to guide outside water to permeate into the steel casing 1 through a basement rock stratum, the motor 5 rotates to drive the cable measuring rope 7 on the rotating shaft 6 to descend, the water contact probe 13 is immediately in contact with the water surface to transmit a signal to the water contact indicating meter 4, meanwhile, the motor 5 is turned off through the controller 8, the cable measuring rope 7 stops descending, the water seepage amount of the rock stratum can be calculated through scales on the cable measuring rope 7, the steel casing 1 can be assembled as required through the threaded connection between the first inner thread ring 15 and the second outer thread ring 16 on the steel casing 1 to adjust the length of the steel casing 1, silt in the rock stratum can be prevented from entering the steel casing 1 through the filter hole 17 on the bottom cover 3, the water pump 10 works, the water in the steel casing 1 can be pumped out of the steel casing 1 through the water outlet pipe 11 through the water pumping pipe 12, and is in threaded connection between the first outer thread ring 14 on the top cover 2 and the first inner thread ring 15 on the steel casing 1 at the top, the top cover 2 can be installed on the steel casing 1, and the bottom cover 3 can be installed at the bottom end of the steel casing 1 through the threaded connection between the second inner thread ring 18 on the bottom cover 3 and the second outer thread ring 16 on the bottommost steel casing 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides an accurate test device of stratum nature water permeability under deep water, includes that steel protects a section of thick bamboo (1), its characterized in that: the steel casing is characterized in that a first inner thread ring (15) is arranged on the inner diameter of the periphery of the top of the steel casing (1), a first outer thread ring (14) is in threaded connection with the first inner thread ring (15), a top cover (2) is fixedly connected to the top of the first outer thread ring (14), a motor (5) is fixedly connected to the middle position of the left side of the top cover (2), a rotating shaft (6) is fixedly connected to the output end of the motor (5), a cable measuring rope (7) is arranged on the rotating shaft (6), a water contact indicating gauge (4) is fixedly connected to the middle position of the front end of the top cover (2), a controller (8) is fixedly connected to the middle position of the rear end of the top cover (2), a water pump (10) is fixedly connected to the middle position of the right side of the top cover (2), and a water pumping pipe (12) penetrates through the top cover (2) and is fixedly connected to the bottom of the water pump (10), the steel protects fixedly connected with second external thread circle (16) on the lateral wall all around of a section of thick bamboo (1) bottom, threaded connection has second internal thread circle (18) on second external thread circle (16), second internal thread circle (18) bottom fixed connection bottom (3).
2. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: cable conductor measuring rope (7) one end runs through top cap (2) and fixedly connected with touches water probe (13), touch water probe (13) and touch electric connection between water indicator (4).
3. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: the water contact indicator (4) is electrically connected with the controller (8).
4. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: the water outlet pipe (11) is arranged on the right side of the water pump (10).
5. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: and a graduated scale is arranged on the cable measuring rope (7).
6. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: one end of the rotating shaft (6) is rotatably connected with a fixing plate (9), and the fixing plate (9) is fixedly connected to the top of the top cover (2).
7. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: the bottom cover (3) is provided with filter holes (17) which are uniformly and densely distributed.
8. The device for accurately testing the natural permeability of the deep water stratum of claim 1, wherein: the first inner thread circle (15) and the second outer thread circle (16) are in threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216492.3U CN214703234U (en) | 2021-01-27 | 2021-01-27 | Accurate test device of stratum nature water permeability under deep water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216492.3U CN214703234U (en) | 2021-01-27 | 2021-01-27 | Accurate test device of stratum nature water permeability under deep water |
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| Publication Number | Publication Date |
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| CN214703234U true CN214703234U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120216492.3U Active CN214703234U (en) | 2021-01-27 | 2021-01-27 | Accurate test device of stratum nature water permeability under deep water |
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| CN (1) | CN214703234U (en) |
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2021
- 2021-01-27 CN CN202120216492.3U patent/CN214703234U/en active Active
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