CN221119881U - Bored pile hole bottom mud collection device - Google Patents
Bored pile hole bottom mud collection device Download PDFInfo
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- CN221119881U CN221119881U CN202323386708.9U CN202323386708U CN221119881U CN 221119881 U CN221119881 U CN 221119881U CN 202323386708 U CN202323386708 U CN 202323386708U CN 221119881 U CN221119881 U CN 221119881U
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- hole
- side wall
- outer side
- magnetic attraction
- inner container
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the field of drilling and filling pile engineering of slurry dado, in particular to a device for collecting slurry at the bottom of a drilling and filling pile hole, which comprises an outer sleeve box and an inner container arranged in the outer sleeve box; the outer box comprises an outer tether hole, an outer side wall and surrounding balancing weights, wherein the outer tether hole is formed in an upper port of the outer side wall, an outer magnetic attraction strip is arranged at a lower port of the outer side wall, the balancing weights are arranged around the outer portion of the outer side wall, and supporting brackets for supporting the inner container are arranged inside the outer side wall; the inner container comprises an inner tether hole, a top cover plate, an upright post and a bottom plate which are sequentially connected from top to bottom, an inner magnetic attraction strip which is matched with the outer magnetic attraction strip in position is arranged on the bottom plate, and the lower end of the bottom plate is connected with a hole bottom detection column; before the device is not closed, a gap for mud to enter is reserved between the supporting bracket and the upright post. The utility model has the advantages of high efficiency, convenience, simple and convenient operation, recycling and repeated utilization, improving the accuracy of the slurry test index and realizing the accurate control of the pore-forming quality in the construction process.
Description
Technical Field
The utility model relates to the field of drilling and filling pile engineering of mud dado, in particular to a device for collecting mud at the bottom of a hole of a drilling and filling pile.
Background
The bored pile construction process relates to engineering fields such as highway, railway, municipal administration, harbor navigation, house construction and the like, can be used as a structural pile foundation, can also be used as a water stop cofferdam structure, and has wide application. The bored pile can be divided into a slurry retaining wall hole forming mode, a dry operation hole forming mode, a immersed tube hole forming mode and a blasting hole forming mode according to a pile forming mode, wherein the slurry retaining wall hole forming mode is most widely applied. The mud protection wall is divided into a mud positive circulation protection wall and a mud reverse circulation protection wall.
When the bored pile is used as a structural pile foundation, the pile length is often designed to be large, and the length of the bored pile is even more about hundred meters. According to different principles of the wall protection process of the bored pile slurry, when the reverse circulation construction process of the slurry is adopted, the slurry at the bottom of the hole can be directly pumped out by a slurry pump, and when the pile length is shorter, the test detection data of the pumped slurry can basically reflect the real condition of the slurry at the bottom of the hole. When the slurry forward circulation construction process is adopted, the slurry at the bottom of the hole needs to flow out of the well through the whole pile foundation height, the slurry rises and sand and gravel subsides for a long time, the collected slurry cannot always obtain real and effective data, and if the performance of the slurry in the hole is adjusted only according to the slurry index at the moment, certain quality and safety risks exist.
Disclosure of utility model
The utility model aims to solve the problem that the bottom mud can not be directly collected and detected in the construction of a mud retaining wall bored pile, and provides a bored pile bottom mud collecting device. Through sinking the device from ground, rely on its self gravity effect to put to the hole bottom, reach the effect of collecting hole bottom mud in this device.
The technical scheme adopted by the utility model for achieving the purpose is as follows: drilling bored concrete pile hole bottom mud collection device, its characterized in that: comprises an outer sleeve box and an inner container arranged in the outer sleeve box; the outer box comprises an outer tether hole, an outer side wall and surrounding balancing weights, wherein the outer tether hole is formed in an upper port of the outer side wall, an outer magnetic attraction strip is arranged at a lower port of the outer side wall, the balancing weights are arranged around the outer portion of the outer side wall, and supporting brackets for supporting the inner container are arranged inside the outer side wall; the inner container comprises an inner tether hole, a top cover plate, an upright post and a bottom plate which are sequentially connected from top to bottom, an inner magnetic attraction strip which is matched with the outer magnetic attraction strip in position is arranged on the bottom plate, and the lower end of the bottom plate is connected with a hole bottom detection column; before the device is not closed, a gap for mud to enter is reserved between the supporting bracket and the upright post.
The outer tether hole is connected with the upper port of the outer side wall through the outer support frame, a hole for the inner tether hole to pass through is reserved in the center of the outer support frame, the outer tether hole and the inner tether hole are identical in size, and the outer tether hole and the inner tether hole are respectively located at two symmetrical positions of the integral central axis of the device after the device is closed.
And flexible rubber strips are arranged at the top opening position of the outer side wall and on the top cover plate, and when the device is closed, the inner rubber strip and the outer rubber strip are bonded and pressed.
The supporting bracket is fixed or detachable, the balancing weight is in a chamfer shape, the supporting bracket and the balancing weight are both positioned at the lower part of the outer side wall, and when the device is lowered, the supporting bracket is supported around the top cover plate, so that the inner container is synchronously sunk along with the outer sleeve box.
The weight is greater than 3kg, and the equal mass of the outer jacket box and the inner container is ensured.
The bottom plate and the bottom plate are solid inverted prismatic tables, and the bottom detection column of the lower end hole is a cuboid or cylinder with the length of 50-100 mm.
The magnetic force of the outer magnetic attraction strip and the magnetic force of the inner magnetic attraction strip are enough to enable the device to be closed to form a closed space, and the inner magnetic attraction strip wraps the flexible oily non-woven fabric with a more tightly waterproof interface and is compressed under the action of magnetic attraction.
The utility model has the following beneficial effects:
(1) The device is pulled by two ropes, and an outer rope hole is connected with an inner rope hole of an outer lifting rope and an inner lifting rope; the outer tether hole and the inner tether hole are kept as close to the central axis of the device as possible, so that the outer jacket box and the inner container are kept in a vertical state and sink and are accurately attached.
(2) The balancing weights are arranged on the periphery of the outer jacket box, the overall weight of the outer jacket box is increased, and the outer side wall of the outer jacket box is firmly connected with the bottom plate of the inner container by combining the outer magnetic attraction strips, and meanwhile, the balancing weights are positioned on the lower portion of the outer side wall, so that the gravity center of the outer jacket box is lowered, and the whole outer jacket box is kept to be sunken in an upright state.
(3) The bottom plate of the inner container is a solid inverted prismatic table, so that the integral weight of the inner container is increased, the integral gravity center of the inner container can be reduced, the whole inner container is kept to be submerged in an upright state, and in addition, the slurry resistance in the process of being submerged can be reduced.
(4) In the device structure, the balancing weights around the outer jacket box and the bottom plate of the inner container are both arranged in a chamfer shape, so that the slurry resistance born by the device in the sinking process is reduced, and the stability of the device on a vertical axis is facilitated.
(5) The utility model provides a hole bottom detection column arranged below a bottom plate, which aims to prevent the bottom plate of the device from directly contacting the hole bottom to generate adsorption action, so that the device can not be lifted after mud is collected. Meanwhile, the height of the collected mud from the bottom of the hole can be effectively controlled according to the preset length of the bottom detection column.
Drawings
FIG. 1 is a schematic view of the structure of the outer case of the present utility model;
FIG. 2 is a schematic view of the structure of the inner container of the present utility model;
FIG. 3 is a schematic view of the present utility model in an open state;
FIG. 4 is a diagram of the open state structure of the present utility model;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic view of the present utility model in a closed state;
FIG. 7 is a diagram of the closed state structure of the present utility model;
In the figure: 1. the outer sleeve box is characterized by comprising an outer sleeve box, an inner container, an outer rope hole, an outer supporting frame, rubber strips, outer side walls, balancing weights, supporting brackets and outer magnetic attraction strips, wherein the outer sleeve box is provided with the inner container, the outer rope hole, the outer supporting frame, the rubber strips, the outer side walls, the balancing weights, the supporting brackets and the outer magnetic attraction strips; 10. inner bolt rope hole 11, inner support 12, top cover plate 13, upright post 14, inner magnetic strip 15, bottom plate 16, hole bottom probe post
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples, but the present utility model is not limited to the specific examples.
Examples
The device for collecting the slurry at the bottom of a bored pile hole comprises an outer sleeve box 1 and an inner container 2 arranged in the outer sleeve box; as shown in fig. 1, 4 and 5, the outer jacket box 1 comprises an outer tether hole 3, an outer side wall 6 and surrounding balancing weights 7, wherein the upper port of the outer side wall 6 is provided with the outer tether hole 3, the lower port is provided with an outer magnetic strip 9, the surrounding of the outer side wall 6 is provided with the balancing weights 7, and the inner side wall 6 is internally provided with supporting brackets 8 for supporting the inner container 2; as shown in fig. 2, 4 and 5, the inner container 2 comprises an inner rope hole 10, a top cover plate 12, an upright post 13 and a bottom plate 15 which are sequentially connected from top to bottom, an inner magnetic strip 14 which is matched with the outer magnetic strip 9 in position is arranged on the bottom plate 15, and the lower end of the bottom plate 15 is connected with a hole bottom probe 16; before the device is not closed, a gap of 2-5mm is reserved between the supporting bracket 8 and the upright post 13, and the gap is too large to influence the accurate alignment after the magnetic attraction strip acts, so that the device is too small to be blocked by sand in slurry to influence the closing of the device.
The outer tether hole 3 is connected with the upper port of the outer side wall 6 through the outer support frame 4, a hole for the inner tether hole 10 to pass through is reserved in the center of the outer support frame 4, the outer tether hole 3 and the inner tether hole 10 are the same in size, and the outer tether hole 3 and the inner tether hole 10 are respectively located at two symmetrical positions of the integral central axis of the device after the device is closed.
And flexible rubber strips are arranged at the top opening position of the outer side wall 6 and on the top cover plate 12, and when the device is closed, the inner rubber strip and the outer rubber strip are attached and pressed.
The supporting bracket 8 is fixed or detachable, the balancing weight 7 is in a chamfer shape, the balancing weight 7 and the supporting bracket are both positioned at the lower part of the outer side wall 6, and when the device is lowered, the supporting bracket 8 is supported around the top cover plate 12, so that the inner container 2 is synchronously sunk along with the outer case 1.
The weight is greater than 3kg, and the equal mass of the outer jacket box and the inner container is ensured.
The bottom plate 15 is solid inverted prismatic table-shaped, and the bottom hole bottom detection column 16 at the lower end is a cuboid or cylinder with the length of 50-100 mm.
The magnetic force of the outer magnetic attraction strip 9 and the magnetic force of the inner magnetic attraction strip 14 are enough to enable the device to be closed to form a closed space, and the inner magnetic attraction strip 14 wraps the flexible oily non-woven fabric with a tighter waterproof interface and is compressed under the action of magnetic attraction.
The application process of the utility model is as follows:
The outer sleeve 1 and the inner container 2 are matched and combined for use, two lifting ropes penetrate into corresponding rope fastening holes respectively for connection, and the lifting ropes are alternately tensioned to enable the device to work. An operator stands outside the ground hole, places the device above the hole, and enables the device to be in an open state (shown in fig. 3-5), and at the moment, the top cover plate 12 of the inner container 2 is placed on the supporting bracket 8 of the outer container 1 by means of gravity. The outer lifting rope is tensioned, the inner lifting rope is loosened, the device is slowly sunk to the hole bottom, when the hole bottom detecting column 16 contacts the hole bottom, the inner lifting rope is tensioned, and meanwhile, the outer lifting rope is loosened, so that when the outer jacket box 1 slowly sinks to be close to the bottom plate 15 of the inner container 2 under the action of gravity, the outer magnetic attraction strip 9 of the outer jacket box 1 is attached to the inner magnetic attraction strip 14 of the inner container 2 through the magnetic attraction action, and a closed state is shown (as shown in fig. 6-7). Finally, lifting the inner lifting rope, and simultaneously keeping the outer lifting rope in a loosening state, so that the device is lifted out of the hole, and the magnet is manually opened to open the device, so that the collected slurry is transferred into other containers.
The above description of the present utility model will be further described in detail with reference to the accompanying drawings, and it should not be construed as limiting the practice of the utility model to these descriptions. It should be understood by those skilled in the art that the present utility model may be simply put forth and substituted without departing from the spirit of the utility model.
Claims (7)
1. Drilling bored concrete pile hole bottom mud collection device, its characterized in that: comprises an outer sleeve box and an inner container arranged in the outer sleeve box; the outer box comprises an outer tether hole, an outer side wall and surrounding balancing weights, wherein the outer tether hole is formed in an upper port of the outer side wall, an outer magnetic attraction strip is arranged at a lower port of the outer side wall, the balancing weights are arranged around the outer portion of the outer side wall, and supporting brackets for supporting the inner container are arranged inside the outer side wall; the inner container comprises an inner tether hole, a top cover plate, an upright post and a bottom plate which are sequentially connected from top to bottom, an inner magnetic attraction strip which is matched with the outer magnetic attraction strip in position is arranged on the bottom plate, and the lower end of the bottom plate is connected with a hole bottom detection column; before the device is not closed, a gap for mud to enter is reserved between the supporting bracket and the upright post.
2. A bored pile hole bottom mud collection apparatus as set forth in claim 1, wherein: the outer tether hole is connected with the upper port of the outer side wall through the outer support frame, a hole for the inner tether hole to pass through is reserved in the center of the outer support frame, the outer tether hole and the inner tether hole are identical in size, and the outer tether hole and the inner tether hole are respectively located at two symmetrical positions of the integral central axis of the device after the device is closed.
3. A bored pile hole bottom mud collection apparatus as set forth in claim 1, wherein: and flexible rubber strips are arranged at the top opening position of the outer side wall and on the top cover plate, and when the device is closed, the inner rubber strip and the outer rubber strip are bonded and pressed.
4. A bored pile hole bottom mud collection apparatus as set forth in claim 1, wherein: the supporting bracket and the balancing weight are both positioned at the lower part of the outer side wall, and when the device is lowered, the supporting bracket is supported around the top cover plate, so that the inner container sinks synchronously along with the outer jacket box.
5. A bored pile hole bottom mud collection apparatus as set forth in claim 4, wherein: the weight is greater than 3kg, and the equal mass of the outer jacket box and the inner container is ensured.
6. A bored pile hole bottom mud collection apparatus as set forth in claim 1, wherein: the bottom plate and the bottom plate are solid inverted prismatic tables, and the bottom detection column of the lower end hole is a cuboid or cylinder with the length of 50-100 mm.
7. A bored pile hole bottom mud collection apparatus as set forth in claim 1, wherein: the magnetic force of the outer magnetic attraction strip and the magnetic force of the inner magnetic attraction strip are enough to enable the device to be closed to form a closed space, and the inner magnetic attraction strip wraps the flexible oily non-woven fabric with a more tightly waterproof interface and is compressed under the action of magnetic attraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323386708.9U CN221119881U (en) | 2023-12-13 | 2023-12-13 | Bored pile hole bottom mud collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323386708.9U CN221119881U (en) | 2023-12-13 | 2023-12-13 | Bored pile hole bottom mud collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221119881U true CN221119881U (en) | 2024-06-11 |
Family
ID=91341746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323386708.9U Active CN221119881U (en) | 2023-12-13 | 2023-12-13 | Bored pile hole bottom mud collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221119881U (en) |
-
2023
- 2023-12-13 CN CN202323386708.9U patent/CN221119881U/en active Active
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