CN220013684U - Tool column with pressure relief hole for positioning steel pipe column by reverse construction method - Google Patents
Tool column with pressure relief hole for positioning steel pipe column by reverse construction method Download PDFInfo
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- CN220013684U CN220013684U CN202321526693.9U CN202321526693U CN220013684U CN 220013684 U CN220013684 U CN 220013684U CN 202321526693 U CN202321526693 U CN 202321526693U CN 220013684 U CN220013684 U CN 220013684U
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- Prior art keywords
- column
- pressure relief
- tool
- steel pipe
- pipe body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000006424 Flood reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the technical field of cast-in-place piles and discloses a tool column with a pressure relief hole for positioning a steel pipe column by a reverse construction method, which is characterized by comprising a pipe body, wherein the pipe body is provided with a surrounding wall in a surrounding shape, the surrounding wall surrounds to form a slurry discharging channel, and the slurry discharging channel is arranged along the axial extension of the pipe body; the bottom of the pipe body is provided with a lower end face fixedly butted with the steel pipe column, the bottom of the slurry discharging channel penetrates through the lower end face, the lower part of the pipe body is provided with a pressure relief hole penetrating through the surrounding wall, and the pressure relief hole is communicated with the slurry discharging channel. Like this, before breaking away from the connection with tool post and steel-pipe column, through the mud in the suction tool post, the outer mud of suction in-process tool post is through the synchronous suction of pressure release hole, has effectively reduced the outer flood peak pressure of tool post, has avoided in constructor gets into the tool post, when demolishing the connection of tool post and steel-pipe column, the outer phenomenon of mud instantaneous inflow tool post of tool post has eliminated construction potential safety hazard.
Description
Technical Field
The utility model relates to the technical field of cast-in-place piles, in particular to a tool column with a pressure relief hole for positioning a steel pipe column by a reverse construction method.
Background
The reverse construction method is to construct the steel pipe column 20 by adopting a mode of adding a filling pile into the steel pipe column 20, connecting the tool column 10 with the steel pipe column 20 by adopting bolts to meet the orifice positioning requirement, positioning the steel pipe column 20 by adopting a tool column 10, forming holes by adopting a filling pile and adopting slurry 40 to protect walls during the positioning of the steel pipe column 20, then utilizing a full-sleeve full-circle drilling machine 30, and then lowering the butted tool column 10 and the steel pipe column 20 to the designed elevation of the filling pile through the tool column 10, wherein the drilling holes and the steel pipe column 20 and the tool column 10 are filled with slurry 40 at the moment, and the concrete is shown in fig. 1; then, a guide pipe is lowered in the steel pipe column 20, pile body concrete 70 is poured to the pile top elevation 50, broken stone 80 is backfilled between the steel pipe column 20 and the hole wall, and finally, concrete 70 in the steel pipe column 20 is poured to the steel pipe column top elevation 60, at this time, mud 40 is filled in the tool column 10 and the outer side of the tool column 10, and after the pouring is completed for about 24 hours, the mud 40 in the tool column 10 is pumped out by adopting a mud pump 11, and the concrete is shown in fig. 2.
In the prior art, after the slurry 40 is evacuated, when a constructor enters the tool column 10 to detach the connection between the steel pipe column 20 and the tool column 10, the slurry 40 between the tool column 10 and the hole wall is flushed into the tool column 10 through a gap opened when the tool column 10 is disconnected from the steel pipe column 20 under the action of the head difference H pressure (ground water level 90) formed by the surrounding ground water, and because of the sudden pressure relief, the slurry 40 can be flushed into the tool column 10 in a large amount instantaneously, which causes the risk of the slurry 40 to flush, and threatens the safety of the constructor in the column.
Disclosure of Invention
The utility model aims to provide a tool column with a pressure relief hole for positioning a steel pipe column by a reverse construction method, and aims to solve the problem that in the prior art, when a constructor enters the tool column and is disconnected with the steel pipe column, mud outside the tool column instantaneously floods into the tool column, and the safety of constructors in the column is threatened.
The utility model is realized in that the reverse construction method is used for a tool column with a pressure relief hole for positioning a steel pipe column, and comprises a pipe body, wherein the pipe body is provided with a surrounding wall in a surrounding shape, the surrounding wall surrounds to form a pulp discharging channel, and the pulp discharging channel is arranged along the axial extension of the pipe body; the bottom of body has the lower terminal surface with the fixed butt joint of steel-pipe column, the bottom of row thick liquid passageway runs through the lower terminal surface, the lower part of body has the pressure release hole that runs through the surrounding wall, pressure release hole and row thick liquid passageway intercommunication.
Optionally, a plurality of first reinforcing ribs arranged at intervals and a plurality of second reinforcing ribs arranged at intervals are arranged at the inner side of the pressure release hole, a plurality of first reinforcing ribs and a plurality of second reinforcing ribs are arranged in a crossing manner, a plurality of slurry release holes for allowing slurry to flow into the slurry release channel are formed, and a plurality of slurry release Kong Xianlou are arranged at the pressure release holes.
Optionally, the two ends of the plurality of first reinforcing ribs are welded and fixed on the inner surface of the surrounding wall, and the middle parts of the first reinforcing ribs are arranged in an exposed mode.
Optionally, the two ends of the second reinforcing ribs are welded and fixed on the inner surface of the surrounding wall, and the middle parts of the second reinforcing ribs are arranged in an exposed mode.
Alternatively, the first steel reinforcement bar has a diameter of 10mm and the second steel reinforcement bar has a diameter of 10mm.
Optionally, the aperture of the pressure relief hole is 20mm.
Optionally, the hole wall of the pressure relief hole is annular.
Optionally, along the extending direction of the pipe body, the interval between the pressure release hole and the bottom of the pipe body is 25cm to 35cm.
Optionally, a plurality of mounting holes for penetrating through the bolts are formed in the lower end face, the mounting holes penetrate through the lower end face along the axial direction of the pipe body, and the mounting holes are circumferentially arranged at intervals around the pipe body.
Optionally, the top of the slurry discharge channel penetrates through the top of the tool column to form a discharge outlet for discharging slurry.
Compared with the prior art, the reverse construction method is used for the tool column with the pressure relief holes for positioning the steel pipe column, and before the tool column is disconnected with the steel pipe column, the slurry in the tool column is sucked out through the suction holes, and the slurry outside the tool column is synchronously sucked in the suction process, so that the water head pressure outside the tool column is effectively reduced, the phenomenon that the slurry outside the tool column instantaneously floods into the tool column when constructors enter the tool column and dismantle the connection between the tool column and the steel pipe column is avoided, and the construction safety hidden trouble is eliminated.
Drawings
FIG. 1 is a construction schematic diagram of a reverse construction method steel pipe column construction in the prior art provided by the utility model;
fig. 2 is a construction schematic diagram of reverse construction method steel pipe column construction in the prior art provided by the utility model;
fig. 3 is a construction schematic diagram of reverse construction method steel pipe column construction provided by the utility model;
FIG. 4 is a schematic front view of a tube provided by the present utility model;
fig. 5 is a schematic bottom view of the pipe body provided by the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present utility model, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 3-5, a preferred embodiment of the present utility model is provided.
The reverse construction method provided by the utility model is used for a tool column with a pressure relief hole 101 for positioning a steel pipe column 20, and comprises a pipe body 100, wherein the pipe body 100 is provided with a surrounding wall in a surrounding shape, a slurry discharging channel 102 is formed by surrounding the surrounding wall, and the slurry discharging channel 102 is arranged along the axial extension of the pipe body 100; the bottom of the pipe body 100 is provided with a lower end surface 103 fixedly butted with the steel pipe column 20, the bottom of the slurry discharging channel 102 penetrates through the lower end surface 103, the lower part of the pipe body 100 is provided with a pressure relief hole 101 penetrating through the surrounding wall, and the pressure relief hole 101 is communicated with the slurry discharging channel 102.
The reverse construction method is used for the tool column with the pressure relief hole 101 for positioning the steel pipe column 20, and before the tool column is disconnected with the steel pipe column 20, the slurry 40 in the tool column is sucked out through the pressure relief hole 101 in the suction process, so that the water head pressure outside the tool column is effectively reduced, the phenomenon that the slurry 40 outside the tool column instantaneously floods into the tool column when constructors enter the tool column to dismantle the connection between the tool column and the steel pipe column 20 is avoided, and the construction safety hidden trouble is eliminated.
The inner side of the pressure relief hole 101 is provided with a plurality of first reinforcing ribs 110 arranged at intervals and a plurality of second reinforcing ribs 120 arranged at intervals, the plurality of first reinforcing ribs 110 and the plurality of second reinforcing ribs 120 are arranged in a crossing manner to form a plurality of slurry discharge holes for the slurry 40 to flow into the slurry discharge channel 102, and a plurality of slurry discharge Kong Xianlou are arranged at the pressure relief hole 101.
Thus, the large diameter stone and debris are prevented from entering the tool string in a grid-like arrangement, thereby allowing the mud 40 to be smoothly withdrawn.
The plurality of first reinforcing bars 110 are welded at both ends thereof to the inner surface of the surrounding wall, and the middle portions of the first reinforcing bars 110 are arranged in an exposed state. The first reinforcing bars 110 are fixed at both ends to the inner surface of the surrounding wall by welding, thereby achieving effective fixation.
The second reinforcing bars 120 are welded to the inner surface of the surrounding wall at both ends thereof, and the middle portions of the second reinforcing bars 120 are arranged in an exposed state. The second reinforcing bars 120 are fixed at both ends to the inner surface of the surrounding wall by welding, thereby achieving effective fixation.
Specifically, the first reinforcing bars 110 have a diameter of 10mm and the second reinforcing bars 120 have a diameter of 10mm.
Specifically, the aperture of the pressure release hole 101 is 20mm. In this way, the overall strength of the tool string is not affected, and mud 40 outside the tool string is also facilitated.
The wall of the pressure relief hole 101 is annular. Thus, the tool post can be square, round or the like, and the tool post can be directly cut.
Along the extending direction of the pipe body 100, the interval between the pressure release hole 101 and the bottom of the pipe body 100 is 25cm to 35cm. Thus, after the suction is finished, the water level of the external slurry 40 is the same as the interval between the pressure relief hole 101 and the bottom of the pipe body 100, and after the connection between the tool column and the steel pipe column 20 is removed, the inflow rate of the external slurry 40 is slower, and the inflow amount is not large, so that accidents are effectively avoided.
The lower end surface 103 is provided with a plurality of mounting holes 104 for penetrating bolts, the mounting holes 104 penetrate through the lower end surface 103 along the axial direction of the pipe body 100, and the plurality of mounting holes 104 are arranged at intervals around the circumferential direction of the pipe body 100. Thus, through the design of the mounting hole 104, the butt joint between the steel pipe column 20 and the tool column is effectively realized, and the quick fixed mounting and the quick dismounting of constructors are realized.
Specifically, the top of the slurry discharge passage 102 extends through the top of the tool string to form a discharge outlet for the slurry 40.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The reverse construction method is used for a tool column with a pressure relief hole for positioning a steel pipe column and is characterized by comprising a pipe body, wherein the pipe body is provided with a surrounding wall in a surrounding shape, the surrounding wall surrounds to form a slurry discharging channel, and the slurry discharging channel is arranged along the axial extension of the pipe body; the bottom of body has the lower terminal surface with the fixed butt joint of steel-pipe column, the bottom of row thick liquid passageway runs through the lower terminal surface, the lower part of body has the pressure release hole that runs through the surrounding wall, pressure release hole and row thick liquid passageway intercommunication.
2. The reverse construction method for a tool string with a pressure relief hole for steel string positioning according to claim 1, wherein a plurality of first reinforcing bars arranged at intervals and a plurality of second reinforcing bars arranged at intervals are provided on the inner side of the pressure relief hole, a plurality of the first reinforcing bars and a plurality of the second reinforcing bars are arranged in a crossing manner, a plurality of slurry discharge holes for slurry to flow into a slurry discharge channel are formed, and a plurality of the slurry discharge Kong Xianlou are arranged at the pressure relief holes.
3. The reverse construction method for a tool string with a pressure release hole for steel string positioning according to claim 2, wherein both ends of the plurality of first reinforcing bars are welded and fixed to the inner surface of the surrounding wall, and the middle portions of the first reinforcing bars are arranged in an exposed state.
4. The reverse construction method for a tool string with a pressure release hole for steel string positioning according to claim 2, wherein both ends of the plurality of second reinforcing bars are welded and fixed to the inner surface of the surrounding wall, and the middle parts of the second reinforcing bars are arranged in an exposed state.
5. The reverse method for steel pipe column positioning tool column with pressure relief holes according to claim 2, wherein the diameter of the first reinforcing bar is 10mm and the diameter of the second reinforcing bar is 10mm.
6. The reverse method tool column with pressure relief holes for steel pipe column positioning according to claim 1, wherein the diameter of the pressure relief holes is 20mm.
7. The reverse construction method tool column with a pressure relief hole for steel pipe column positioning according to claim 1, wherein the wall of the pressure relief hole is annular.
8. The reverse construction tool column with pressure relief holes for steel pipe column positioning according to claim 1, wherein the pressure relief holes are spaced from the bottom of the pipe body by 25cm to 35cm along the extending direction of the pipe body.
9. The reverse construction method tool column with pressure relief holes for positioning a steel pipe column according to claim 1, wherein a plurality of mounting holes for penetrating bolts are formed in the lower end face, the mounting holes penetrate through the lower end face along the axial direction of the pipe body, and the plurality of mounting holes are arranged at intervals around the circumferential direction of the pipe body.
10. A tool post with pressure relief holes for steel pipe column positioning according to any one of claims 1 to 9, wherein the top of the slurry discharge channel penetrates the top of the tool post to form a discharge outlet for slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526693.9U CN220013684U (en) | 2023-06-14 | 2023-06-14 | Tool column with pressure relief hole for positioning steel pipe column by reverse construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526693.9U CN220013684U (en) | 2023-06-14 | 2023-06-14 | Tool column with pressure relief hole for positioning steel pipe column by reverse construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013684U true CN220013684U (en) | 2023-11-14 |
Family
ID=88674163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321526693.9U Active CN220013684U (en) | 2023-06-14 | 2023-06-14 | Tool column with pressure relief hole for positioning steel pipe column by reverse construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013684U (en) |
-
2023
- 2023-06-14 CN CN202321526693.9U patent/CN220013684U/en active Active
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| GR01 | Patent grant |