CN216978479U - Underwater cast-in-place pile hole bottom slurry sampling device - Google Patents
Underwater cast-in-place pile hole bottom slurry sampling device Download PDFInfo
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- CN216978479U CN216978479U CN202122758602.1U CN202122758602U CN216978479U CN 216978479 U CN216978479 U CN 216978479U CN 202122758602 U CN202122758602 U CN 202122758602U CN 216978479 U CN216978479 U CN 216978479U
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Abstract
The utility model discloses a hole bottom slurry sampling device for an underwater cast-in-place pile, which comprises a sampling tank and a lifting mechanism, wherein the sampling tank comprises an outer tank body and an inner tank body, the bottom ends of the outer tank body and the inner tank body are connected into a whole, a sampling cavity is formed between the inner tank body and the outer tank body, the horizontal height of the top end of the inner tank body is smaller than that of the top end of the outer tank body, the bottom end of the inner tank body is provided with a sample inlet, the top end of the inner tank body is provided with a sample discharging port, and the top end of the outer tank body is provided with a slurry discharging hole which can be opened and closed; the utility model has simple structure and convenient use, realizes the sealing of the sampling cavity by the mutual matching of the sealing seat and the conical sealing block when the sampling cavity is lowered, avoids the pollution of a slurry sample by the arranged sealing plate in the sampling process, and ensures that the slurry sample is not polluted by the arranged sealing seat in the lifting process.
Description
Technical Field
The utility model relates to the technical field of bored concrete pile hole bottom mud sampling, in particular to a device for sampling underwater bored concrete pile hole bottom mud.
Background
In the underwater cast-in-place pile in the geotechnical engineering field, a slurry retaining wall process is adopted in most cases, and the specification requires that the parameters of slurry within a range of 50cm of a hole bottom need to be detected before a pile core concrete cast-in-place pile. After the parameters of the slurry at the bottom of the hole meet the standard requirements, pouring the concrete of the pile core of the cast-in-place pile, otherwise, quality accidents that the thickness of sediment exceeds the standard easily occur, for example, when a hole bottom slurry sample is taken in the prior art, slurry in other depth ranges easily enters the sampler in the process of ascending or descending of the sampler, and the sampling is polluted, as required in the technical Specification for building pile foundations JGJ 94-2008.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for sampling mud at the bottom of a hole of an underwater cast-in-place pile, which aims to solve the technical problems.
The utility model is realized by the following technical scheme: a hole bottom slurry sampling device for an underwater cast-in-place pile comprises a sampling tank and a lifting mechanism, wherein the weight of the sampling tank is greater than that of the lifting mechanism, the sampling tank comprises an outer tank body and an inner tank body, the bottom ends of the outer tank body and the inner tank body are connected into a whole, a sampling cavity is formed between the inner tank body and the outer tank body, the horizontal height of the top end of the inner tank body is smaller than that of the top end of the outer tank body, the bottom end of the inner tank body is provided with a sample inlet, the top end of the inner tank body is provided with a sample outlet, and the top end of the outer tank body is provided with a slurry discharge hole which can be opened and closed;
the lifting mechanism comprises a sampling rope, a sealing seat and a limiting base, the limiting base is a hollow base and is connected to the bottom end of the sampling tank, a placing cavity for placing the sealing seat is formed in the position, corresponding to the bottom end of the inner tank body, of the hollow base, the sealing seat can move up and down in the placing cavity, one end of the sampling rope is connected to the top end of the sealing seat sequentially through the outer tank body and the inner tank body, and at least 2 diagonal ropes connected with the sampling rope are uniformly arranged on the side edge of the top end of the outer tank body;
the top of the outer tank body is provided with a through hole for the sampling rope to pass through, and the sampling rope is provided with a sealing mechanism which is matched with the through hole.
Preferably, the sealing mechanism comprises a sealing plate and a conical sealing block which are fixed on the sampling rope, the sealing plate is positioned on the outer side of the outer tank body, and the conical sealing block is positioned on the outer side of the outer tank body.
Preferably, a spring is further arranged on the sampling rope and positioned between the sealing plate and the sealing seat.
Preferably, the sampling rope and the sealing seat are connected through a connecting rod, and the sealing seat is detachably connected with the connecting rod.
Preferably, the sealing seat is conical, and an elastic layer is connected to the outer surface of the conical sealing seat.
Preferably, an elastic layer is also attached to the outer surface of the conical sealing block.
Preferably, the top of the outer tank body is provided with a detachable top cover, and the through hole and the slurry discharging hole are both arranged on the top cover.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the utility model has simple structure and convenient use, realizes the sealing of the sampling cavity by the mutual matching of the sealing seat and the conical sealing block when the sampling cavity is put down, avoids the pollution of a slurry sample by the arranged sealing plate in the sampling process, and ensures that the slurry sample is not polluted by the arranged sealing seat in the lifting process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a top view of the outer tank of the present invention;
FIG. 3 is a schematic view of the present invention as it is lowered;
FIG. 4 is a schematic diagram of the present invention during sampling;
FIG. 5 is a schematic view of the present invention during lifting.
Description of reference numerals:
1. sampling tank, 11, outer jar of body, 111, arrange the thick liquid hole, 112, through-hole, 113, top cap, 12, inner tank body, 121, introduction port, 122, stock layout mouth, 2, elevating system, 21, sample rope, 22, seal receptacle, 23, spacing base, 231, place the chamber, 3, sample chamber, 24, oblique stay rope, 4, sealing mechanism, 41, closing plate, 42, conical seal block, 5, spring, 6, connecting rod, 7, mud.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
The underwater cast-in-place pile hole bottom slurry sampling device shown in fig. 1-2 comprises a sampling tank 1 and a lifting mechanism 2, wherein the weight of the sampling tank 1 is greater than that of the lifting mechanism 2, the sampling tank 1 comprises an outer tank body 11 and an inner tank body 12, the bottom ends of the outer tank body 11 and the inner tank body 12 are connected into a whole, a sampling cavity 3 is formed between the inner tank body 12 and the outer tank body 11, the horizontal height of the top end of the inner tank body 12 is smaller than that of the top end of the outer tank body 11, the bottom end of the inner tank body 12 is provided with a sample inlet 121, the top end is provided with a sample outlet 122, the top end of the outer tank body 11 is provided with a slurry discharge hole 111 which can be opened and closed, and preferably, the slurry discharge hole 111 is provided with an opening and closing valve;
the lifting mechanism 2 comprises a sampling rope 21, a sealing seat 22 and a limiting base 23, the limiting base 23 is a hollow base and is connected to the bottom end of the sampling tank 1, a placing cavity 231 for placing the sealing seat 22 is formed in the position, corresponding to the bottom end of the inner tank body 12, of the hollow base, the sealing seat 22 can move up and down in the placing cavity 211, one end of the sampling rope 21 is connected to the top end of the sealing seat 22 sequentially through the outer tank body 11 and the inner tank body 12, and at least 2 diagonal ropes 24 connected with the sampling rope 21 are uniformly arranged on the side edge of the top end of the outer tank body 11;
the top end of the outer tank body 11 is provided with a through hole 112 for the sampling rope 21 to pass through, the sampling rope 21 is provided with a sealing mechanism 4 matched with the through hole 112, specifically, the sealing mechanism 4 comprises a sealing plate 41 and a conical sealing block 42 which are fixed on the sampling rope 21, the sealing plate 41 is positioned on the outer side of the outer tank body 11, and the conical sealing block 42 is positioned on the outer side of the outer tank body 11;
during implementation of seed planting, the sampling tank 1 is placed at the hole bottom of the cast-in-place pile through the lifting mechanism 2, the sampling tank 1 collects slurry 7 in the hole bottom of the cast-in-place pile, and after the sampling tank 1 collects the slurry 7, the sampling tank 1 is moved out of the cast-in-place pile hole through the lifting mechanism 2 to finish slurry sampling;
specifically, in the process of lowering the sampling tank 1 to the bottom of the hole of the bored concrete pile, as shown in fig. 3, the sampling rope 21 is lowered, since the weight of the sampling tank 1 is greater than the weight of the lifting mechanism 2, at this time, the sealing seat 22 is inserted into the sample inlet 121, so as to prevent the slurry from entering the inner tank 12, and at the same time, the conical sealing block 42 is also embedded into the through hole 112, so as to seal the through hole 112, so as to prevent the slurry from entering the sampling cavity 3 from the through hole 112, when the sampling tank 1 reaches the bottom of the bored concrete pile, as shown in fig. 4, the sampling rope 21 is continuously lowered, since the sealing seat 22 is self-gravity, the sealing seat 22 is lowered to the placement cavity 231, at this time, the sample inlet 121 penetrates through the inner tank 12, since the limiting seat 23 is a hollowed-out seat, the slurry 7 can enter the inner tank 12 from the sample inlet 121 through the limiting seat 23, and the slurry in the inner tank 12 overflows into the sampling cavity 3 from the sample discharge port 122 after being filled with the slurry, so as to realize the collection in the bottom of the bored concrete pile, this in-process closing plate 41 covers on through-hole 112, thereby avoid mud to infiltrate from through-hole 112 and take place to pollute the condition of mud 7 in the sample chamber 3, treat to gather certain mud 7 after, as shown in fig. 5, pulling sample rope 214, seal receptacle 22 inserts introduction port 121 and avoids mud to get into inner tank 12 this moment, conical seal block 42 also inlays into through-hole 112 and seals through-hole 112 simultaneously, avoid the mud 7 of gathering in the sample chamber 3 to be polluted, continue pulling sample rope 214, until will taking a sample jar 1 and move out the bored concrete pile hole, at last open through the on-off valve and arrange grout hole 111 and invert sample jar 1 and can obtain the mud 7 of gathering.
As a preferable solution of the above embodiment, a spring 5 is further provided on the sampling rope 21 at a position between the sealing plate 41 and the sealing seat 22, and the tension of the spring is used as a redundant safeguard, and the tension of the spring compensates the gravity of the conical sealing block 121 to a certain extent, so as to better prevent other mud from entering the sampling cavity 3 during the ascending process.
As the preferred scheme of the above embodiment, the sampling rope 21 is connected with the sealing seat 22 through the connecting rod 6, the sealing seat 22 is detachably connected with the connecting rod 6, and the connecting rod 6 ensures that the conical sealing block 42 can accurately and quickly seal the sample inlet 121 under the action of tensile force.
In order to improve the sealing ability of the sealing seat 22 against the injection port 121, the sealing seat 22 is preferably conical, and an elastic layer is connected to the outer surface of the conical sealing seat.
As a preferable mode of the above embodiment, in order to improve the sealing ability of the conical sealing block 42 to the through hole 112, an elastic layer is also connected to the outer surface of the conical sealing block 42.
As a preferable mode of the above embodiment, the top end of the outer tank 11 has a detachable top cover 113, and the through hole 112 and the grout outlet 111 are formed in the top cover 113.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A hole bottom slurry sampling device for an underwater cast-in-place pile comprises a sampling tank and a lifting mechanism, and is characterized in that the weight of the sampling tank is greater than that of the lifting mechanism, the sampling tank comprises an outer tank body and an inner tank body, the bottom ends of the outer tank body and the inner tank body are connected into a whole, a sampling cavity is formed between the inner tank body and the outer tank body, the horizontal height of the top end of the inner tank body is smaller than that of the top end of the outer tank body, the bottom end of the inner tank body is provided with a sample inlet, the top end of the inner tank body is provided with a sample discharge port, and the top end of the outer tank body is provided with a slurry discharge hole which can be opened and closed;
the lifting mechanism comprises a sampling rope, a sealing seat and a limiting base, the limiting base is a hollow base and is connected to the bottom end of the sampling tank, a placing cavity for placing the sealing seat is formed in the position, corresponding to the bottom end of the inner tank body, of the hollow base, the sealing seat can move up and down in the placing cavity, one end of the sampling rope is connected to the top end of the sealing seat sequentially through the outer tank body and the inner tank body, and at least 2 diagonal ropes connected with the sampling rope are uniformly arranged on the side edge of the top end of the outer tank body;
the top of the outer tank body is provided with a through hole for the sampling rope to pass through, and the sampling rope is provided with a sealing mechanism which is matched with the through hole.
2. The underwater bored pile hole bottom mud sampling device according to claim 1, wherein the sealing mechanism includes a sealing plate fixed to the sampling rope and a conical sealing block, and the sealing plate is located on the outer side of the outer tank, and the conical sealing block is located on the outer side of the outer tank.
3. The device for sampling mud at the bottom of a hole of an underwater cast-in-place pile as claimed in claim 2, wherein a spring is further arranged on the sampling rope and between the sealing plate and the sealing seat.
4. The underwater bored concrete pile hole bottom mud sampling device of claim 3, wherein the sampling rope is connected with the seal receptacle through a connecting rod, and the seal receptacle is detachably connected with the connecting rod.
5. The device for sampling mud at the bottom of a hole of an underwater bored pile according to claim 4, wherein the sealing seat is conical, and an elastic layer is attached to an outer surface of the conical sealing seat.
6. The device for sampling mud at the bottom of a hole of an underwater cast-in-place pile as claimed in claim 5, wherein an elastic layer is also connected to the outer surface of the conical sealing block.
7. The underwater bored pile hole-bottom slurry sampling device according to any one of claims 1 to 6, wherein a detachable top cover is provided at a top end of the outer tank, and the through hole and the slurry discharge hole are opened in the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758602.1U CN216978479U (en) | 2021-11-11 | 2021-11-11 | Underwater cast-in-place pile hole bottom slurry sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758602.1U CN216978479U (en) | 2021-11-11 | 2021-11-11 | Underwater cast-in-place pile hole bottom slurry sampling device |
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| Publication Number | Publication Date |
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| CN216978479U true CN216978479U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122758602.1U Active CN216978479U (en) | 2021-11-11 | 2021-11-11 | Underwater cast-in-place pile hole bottom slurry sampling device |
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| CN (1) | CN216978479U (en) |
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2021
- 2021-11-11 CN CN202122758602.1U patent/CN216978479U/en active Active
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