CN112302051A - Mechanical vertical shaft structure and construction method thereof - Google Patents
Mechanical vertical shaft structure and construction method thereof Download PDFInfo
- Publication number
- CN112302051A CN112302051A CN202011230233.2A CN202011230233A CN112302051A CN 112302051 A CN112302051 A CN 112302051A CN 202011230233 A CN202011230233 A CN 202011230233A CN 112302051 A CN112302051 A CN 112302051A
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- shaft
- construction
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- shaft cylinder
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/025—Manhole shafts or other inspection chambers; Snow-filling openings; accessories provided with a liner
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/027—The bottom made of prefabricated segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F2005/028—Sealing joints between manhole segments
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a mechanical shaft structure which comprises a plurality of shaft shell sections, wherein the shaft shell sections are connected through screwing connecting pieces, and the shaft shell sections and the screwing connecting pieces are connected through threads. The shaft cylinder sections are connected through the screwing connecting piece in a threaded manner, so that the shaft construction can be accelerated, the shaft construction can be conveniently carried out by using machinery, and the construction is quick and short in period; the construction method of the invention completely replaces the manual excavation of the working well, does not need a supporting structure, has high construction safety factor, and the vertical shaft cylinder section can play a role of retaining soil for the retaining wall, prevent the soil from collapsing and prevent the ground from sinking; because the connection and jacking of the shaft cylinder sections are in a spiral descending working mode, the connection and construction of the shaft cylinder sections can be completed by adopting one construction machine; the defects that the inspection well is updated by an open cut method, the occupied area in the construction process is large, the construction risk is high, the environmental influence is large, the cost is high and the like are overcome.
Description
Technical Field
The invention relates to the technical field of trenchless pipeline updating construction, in particular to a mechanical vertical shaft structure and a construction method thereof.
Background
The underground sewage, water supply pipeline updating engineering and inspection well updating engineering of old and luxurious urban streets are more and more emphasized and stricter at present, but no good construction technology is provided for deeper inspection wells to solve the updating problem of the inspection wells, and the inspection wells are updated by adopting an open cut method when the inspection wells are all endangered by design years or the damage form is serious at present.
The invention discloses a sinking tube type inspection well and a construction method thereof, wherein the sinking tube type inspection well comprises barrel-shaped shafts, the shafts are connected through upper and lower wedge openings, a positioning column capable of vertically and downwardly entering a soil layer is connected in the shafts in a sliding mode, a spiral blade is fixed at the lower end of the positioning column to generate excavating force, the spiral blade can conveniently enter deep in the soil layer, water is conveyed into the soil layer at the bottom through a high-pressure pump to flush the soil layer at the bottom, soil at the bottom of the shafts is removed to enable the shafts to gradually sink under the action of self weight, then the positioning column repeatedly drills into the soil layer and flushes the soil layer with high pressure water again, the device is troublesome in construction process, long in construction period and high in risk, and operation difficulty in a.
Disclosure of Invention
Aiming at the technical problems, the invention provides a mechanical vertical shaft structure which is used for solving the problems of high risk and long period of vertical shaft construction in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the mechanical vertical shaft structure is characterized by comprising a plurality of vertical shaft shell sections, wherein the vertical shaft shell sections are connected through screwing connecting pieces, and the vertical shaft shell sections and the screwing connecting pieces are connected through threads.
Furthermore, in order to facilitate the connection of the screwing connecting piece and the shaft cylinder section, the screwing connecting piece is of a cylindrical structure, a connecting piece internal thread is arranged on the inner side of the screwing connecting piece, and an external thread matched with the connecting piece internal thread is arranged on the concrete prefabricated pipe section.
Further, in order to facilitate jacking, the vertical shaft cylinder section comprises a concrete prefabricated pipe section and a concrete prefabricated pipe section with a guide piece.
Further, in order to cut soil downwards, the concrete precast pipe section with the guide comprises a body, and the lower end of the body is provided with the guide.
Further, in order to improve the cutting efficiency of the guide, the lower end of the guide is provided with saw teeth.
A construction method of a mechanical vertical shaft structure comprises the following steps:
s1, spirally jacking the shaft cylinder section into the ground by rotating the jacking device;
s2, connecting the current shaft cylinder section to the shaft cylinder section which is pushed into the ground by rotating the pushing device, and spirally pushing the current shaft cylinder section into the ground;
and S3, repeating the step S2 until the sinking construction of the shaft cylinder section is completed.
Further, in order to accelerate the sinking construction, the soil in the shaft shell section is taken out during the steps S1 and S2.
Further, in order to improve the jacking efficiency by using the guide member, the precast concrete pipe section with the guide member is the shaft cylinder section used in the step S1.
Further, in order to connect the precast concrete pipe sections with the guide members to each other, the precast concrete pipe sections are the shaft cylinder sections described in step S2.
Further, in order to connect the shaft sections one by one and push them into the ground, the step S2 includes the following steps: s21: the rotary jacking device rotates and descends to screw the connecting piece to be connected to the vertical shaft cylindrical shell which is jacked into the ground; s22: rotating and descending the current shaft cylinder section through the rotary jacking device to be connected with the screwing connecting piece in the step S21; s23: and (4) the current shaft cylinder section is pushed into the ground by rotating and descending the current shaft cylinder section in the step (S22) through the rotary jacking device.
The invention has the beneficial effects that: the shaft cylinder section is in threaded connection through the screwing connecting piece, so that the connection and construction of a shaft can be accelerated, the whole process of shaft construction is conveniently carried out by using machinery, the construction mode is simple, the occupied area is small, the construction is fast, the period is short, and the characteristics of fast transfer to a site and the like can be realized; the construction method of the invention completely replaces the manual excavation of the working well, does not need a supporting structure, has high construction safety factor, and the precast concrete pipe joints can play a role of retaining soil for the retaining wall, prevent the soil from collapsing and prevent the ground from sinking; because the connection and jacking of the shaft cylinder sections are in a spiral descending working mode, the connection and construction of the shaft cylinder sections can be completed by adopting one construction machine; the defects that the inspection well is updated by an open cut method, the occupied area in the construction process is large, the construction risk is high, the environmental influence is large, the cost is high and the like are overcome; in addition, when the construction method is used in a region with poor stratum stability, grouting auxiliary measures are not needed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a second schematic structural diagram of embodiment 1 of the present invention;
FIG. 3 is a third schematic structural view of embodiment 1 of the present invention;
FIG. 4 is a fourth schematic structural view of embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a guide member according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a precast concrete segment of example 1 of the present invention;
fig. 7 is a schematic structural view of a screw joint connector according to embodiment 1 of the present invention;
FIG. 8 is a first schematic diagram of embodiment 2 of the present invention;
fig. 9 is a second schematic diagram of embodiment 2 of the present invention.
In the figure: the method comprises the following steps of 1-climbing ladder, 2-concrete prefabricated pipe joint, 2-1-external thread, 3-guide piece, 3-1-sawtooth, 3-2-guide piece internal thread, 4-screwing connecting piece, 4-1-internal thread and 5-well cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 7, the mechanical shaft structure according to embodiment 1 of the present invention includes a plurality of shaft cylinder sections, the shaft cylinder sections are connected by screwing connectors 4, and the shaft cylinder sections and the screwing connectors 4 are both connected by threads. Through the mode of closing connecting piece threaded connection shaft shell ring soon, not only make things convenient for the high-speed joint of shaft shell ring, still conveniently utilize machinery to carry out the process of shaft construction for construction mode is simple, and the construction is quick, the cycle is short.
Further, as shown in fig. 2 to 7, the screwing connecting piece 4 is of a cylindrical structure and has the same outer diameter as the shaft cylindrical section of the screwing connecting piece 4, so that the screwing connecting piece is convenient to push into the ground; the inner side of the screwing connecting piece 4 is provided with a connecting piece internal thread 4-1, and the vertical shaft shell ring is provided with an external thread 2-1 matched with the connecting piece internal thread 4-1, so that the vertical shaft shell ring is conveniently connected.
Further, as shown in fig. 1 to 4, the shaft tube section comprises a precast concrete tube section 2 and a precast concrete tube section 3 with a guide 3, and the precast concrete tube section 3 with the guide 3 is located at the lowest end of the shaft tube section. The upper end of the precast concrete pipe joint 3 with the guide part 3 is provided with an external thread 2-1, and the upper end and the lower end of the precast concrete pipe joint 3 are both provided with the external thread 2-1.
Further, as shown in fig. 1 to 4, the precast concrete pipe joint 2 with the guide 3 includes a body, the guide 3 is disposed at the lower end of the body, and the guide 3 and the body may be welded or screwed. In this embodiment, the guide 3 and the body are threaded. In other embodiments, the guide 3 and the body may be of unitary construction.
Further, as shown in fig. 5, the lower end of the guide member 3 is provided with saw teeth 3-1, and the saw teeth 3-1 extend in the axial direction of the guide member 3, so that soil can be better cut. The vertical shaft shell ring can be pushed into the ground by rotating the vertical shaft shell ring through the soil cutting of the guide piece 3, and the vertical shaft construction is completed.
A construction method of a mechanical vertical shaft structure comprises the following steps: s1, spirally jacking the shaft cylinder section into the ground by rotating the jacking device; s2, connecting the current shaft cylinder section to the shaft cylinder section which is pushed into the ground by rotating the pushing device, and spirally pushing the current shaft cylinder section into the ground; and S3, repeating the step S2 until the sinking construction of the shaft cylinder sections is completed, namely the shaft cylinder sections are all pushed underground. Specifically, the first shaft cylinder section is spirally jacked into the ground through a rotary jacking device in a mechanized mode, the shaft cylinder section is pushed into the ground, the rotary jacking device is provided with a pipe twisting sleeve and a clamping cylinder which can clamp the shaft cylinder section, a pipe twisting oil cylinder which rotates the shaft cylinder section and a pressing and pulling oil cylinder which descends the shaft cylinder section, the rotary jacking device can adopt a pipe twisting machine in the prior art to realize mechanized shaft construction, the shaft cylinder section is tightly held through the clamping cylinder and the pipe twisting sleeve in the spiral jacking mode, and the shaft cylinder section is rotated through the pipe twisting oil cylinder and is simultaneously pushed into the ground in a spiral mode towards the ground through the pressing and pulling oil cylinder to descend the shaft cylinder section. Connecting a current shaft cylinder section on the shaft cylinder section pushed underground, pushing the current shaft cylinder section into the underground by spirally pushing the current shaft cylinder section through a rotary pushing device in a mechanized mode, repeatedly connecting the shaft cylinder sections, then spirally pushing the shaft cylinder section into the underground for shaft construction, withdrawing equipment until the shaft cylinder sections are all pushed into the underground, installing a well cover 5 on the shaft cylinder section positioned at the top, clearing the site, backfilling the soil around the shaft until the soil is compact, and repairing the ground. In addition, shaft shell ring inner wall still is equipped with cat ladder 1, is convenient for get into the interior maintenance of well. The construction method completely replaces a manual excavation working well, a supporting structure is not needed, the construction safety coefficient is high, the construction speed is high, the construction period is favorably shortened, the precast concrete pipe can play a role in retaining soil of a retaining wall, the soil body is prevented from collapsing, the ground is prevented from sinking, the characteristics of quickly transferring a field and the like can be realized, and the defects that an inspection well is updated by adopting an open cut method, the occupied area in the construction process is large, the construction risk is high, the environmental influence is large, the cost is high and the like are overcome; in addition, when the construction method is used in a region with poor stratum stability, grouting auxiliary measures are not needed.
Further, as shown in fig. 1 to 4, in the processes of the step S1 and the step S2, soil cut out from the shaft shell section in the process is taken out by the soil taking machine, which is more beneficial to pushing the shaft shell section into the ground. In this embodiment, the soil taking machine is a lotus grab bucket.
Further, as shown in fig. 1 to 4, the precast concrete pipe joint 2 with the guide 3 is the shaft cylinder joint used in step S1, and the precast concrete pipe joint 2 with the guide 3 serves as a first shaft cylinder joint, so that the guide 3 can be used for guiding and cutting, and smooth operation of jacking the shaft cylinder joint into the ground is facilitated. Before step S1 is performed, the guide member 3 and the body may be fastened by screwing and then hoisted to the site by a worker or a tool, or the guide member 3 and the body may be hoisted separately to the site and then screwed. When the guide member 3 is screwed to the body on site, the guide member 3 may be screwed into the ground before the connection, and when the connection is made mechanically, the machine may utilize the above-mentioned rotary jacking device for spirally jacking the shaft shell section, and before the connection, the guide member 3 is firstly screwed into the ground, and the specific way is to hold the guide member 3 tightly by the clamping cylinder and the pipe rolling sleeve, to cut the soil by driving the pipe rolling sleeve to rotate the guide member 3 by the pipe rolling cylinder and lowering the guide member 3 by pressing and pulling the cylinder, and simultaneously making the guide member 3 spirally rotate toward the ground, to push the guide member 3 into the ground, and then to hold the body tightly by the clamping cylinder and the pipe rolling sleeve, to simultaneously make the body spirally rotate toward the guide member 3 by rotating the pipe rolling cylinder and lowering the body by pressing and pulling the cylinder, to screw the body to the guide member 3, and after the screwing, the spiral body may continue to rotate, to perform the step S1, the soil is cut by the guide 3, and the body is also pushed into the ground by the guide 3.
Further, as shown in fig. 1 to 4, the precast concrete pipe joint 2 is a shaft cylinder joint used in step S2.
Further, as shown in fig. 1 to 4, the step S2 includes the following steps: s21: the screwing connecting piece 4 is connected to the underground shaft cylinder section in a threaded mode through the screwing mode that the rotating jacking device rotates and descends the screwing connecting piece 4, in the embodiment, the connection can be realized in a mechanical mode, when the connection is realized in the mechanical mode, the machinery can utilize the rotating jacking device spirally jacking the shaft cylinder section, the specific mode is that the screwing connecting piece 4 is tightly held by a clamping cylinder and a rubbing pipe sleeve, the rubbing pipe oil cylinder drives the rubbing pipe sleeve to rotate the screwing connecting piece 4, and meanwhile, the screwing connecting piece 4 is enabled to spirally rotate towards the underground shaft cylinder section through pressing and pulling the oil cylinder to descend the screwing connecting piece 4, so that the screwing connecting piece 4 is screwed and connected with the underground shaft cylinder section; s22: screwing and connecting the current shaft cylinder section to the screwing and connecting piece 4 in the step S21 in a screwing mode of rotating and descending the current shaft cylinder section, wherein the current shaft cylinder section is the next shaft cylinder section to be connected and pushed into the ground, in the embodiment, the current shaft cylinder section can be connected in a mechanized mode, and the rotating and jacking device is still adopted when the current shaft cylinder section is connected in the mechanized mode, and the specific mode is that the current shaft cylinder section is tightly held by a clamping cylinder and a rubbing pipe sleeve, the rubbing pipe cylinder drives the rubbing pipe sleeve to rotate the current shaft cylinder section, and meanwhile, the current shaft cylinder section is descended by a pressing and pulling cylinder to enable the current shaft cylinder section to spirally rotate towards the screwing and connecting piece 4 in the step S21, so that the current shaft cylinder section is screwed and connected with the screwing and connecting piece 4 in the step S21; s23: and (8) spirally jacking the current shaft cylinder section in the step (S22), driving the concrete prefabricated pipe section 2 with the guide part 3 at the lowest end to continuously cut soil through the current shaft cylinder section, jacking the current shaft cylinder section into the ground, in the embodiment, still adopting the mechanical mechanized mode to carry out spiral jacking, wherein the spiral jacking mode is that the current shaft cylinder section is held tightly through a clamping cylinder and a pipe twisting sleeve, the current shaft cylinder section is rotated through a pipe twisting cylinder and is lowered through a pressing and pulling cylinder, so that the current shaft cylinder section spirally rotates towards the ground, and the concrete prefabricated pipe section 2 with the guide part 3 continuously cuts soil until the current cylinder section is also pushed into the ground. And S3, repeating S21, S22 and S23 in sequence, connecting the shaft cylinder sections through the screwing connecting piece 4 and pushing the shaft cylinder sections into the ground alternately to enable the shaft cylinder sections to be pushed into the ground in sequence to form a shaft structure, then installing a well cover 5 on the concrete prefabricated pipe section 2 positioned at the uppermost part, cleaning the site, backfilling the soil around the shaft until the soil is compact, and repairing the ground. Because the connection between the shaft cylinder sections and the construction that the shaft cylinder sections are jacked into the ground are both in a spiral type working mode rotating downwards, the connection between the shaft cylinder sections and the construction that the shaft cylinder sections are jacked into the ground can be completed by adopting one machine, so that the construction mode is simple, the occupied area is small, the construction is quick, the period is short, and the site conversion is quick.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The mechanical vertical shaft structure is characterized by comprising a plurality of vertical shaft shell sections, wherein the vertical shaft shell sections are connected through screwing connecting pieces (4), and the vertical shaft shell sections are connected with the screwing connecting pieces (4) through threads.
2. The mechanical shaft structure according to claim 1, characterized in that the screwing connector (4) is a cylindrical structure, the inner side of the screwing connector (4) is provided with a connector internal thread (4-1), and the shaft shell ring is provided with an external thread (2-1) matched with the connector internal thread (4-1).
3. Mechanical shaft construction according to claim 1 or 2, characterized in that the shaft tube sections comprise precast concrete tube sections (2) and precast concrete tube sections (2) with guides (3).
4. Mechanical shaft construction according to claim 3, characterized in that the precast concrete pipe sections (2) with guides (3) comprise a body, which is provided with guides (3) at its lower end.
5. Mechanical shaft construction according to claim 4, characterized in that the lower end of the guide (3) is provided with serrations (3-1).
6. A construction method of a mechanical shaft structure according to any one of claims 1 to 5, comprising the steps of:
s1, spirally jacking the shaft cylinder section into the ground by rotating the jacking device;
s2, connecting the current shaft cylinder section to the shaft cylinder section which is pushed into the ground by rotating the pushing device, and spirally pushing the current shaft cylinder section into the ground;
and S3, repeating the step S2 until the shaft cylinder sections are all pushed into the ground.
7. The construction method of a mechanical shaft structure according to claim 6, wherein the soil in the shaft shell is removed in the process of the step S1 and the step S2.
8. Construction method of mechanical shaft structure according to claim 6 or 7, characterized in that the precast concrete pipe sections (2) with guides (3) are shaft tube sections as described in step S1.
9. The construction method of a mechanical shaft structure according to claim 8, wherein the concrete precast tube segment (2) is the shaft tube segment in the step S2.
10. The construction method of a mechanical shaft structure according to claim 9, wherein the step S2 includes the steps of:
s21: the rotating jacking device rotates and descends to screw the connecting piece (4) to be connected to the vertical shaft cylindrical shell which is jacked into the ground;
s22: rotating and descending the current shaft cylinder section through a rotary jacking device to be connected with the screwing connecting piece (4) in the step S21;
s23: and spirally jacking the current shaft cylinder section in the step S22 into the ground by rotating the jacking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230233.2A CN112302051A (en) | 2020-11-06 | 2020-11-06 | Mechanical vertical shaft structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230233.2A CN112302051A (en) | 2020-11-06 | 2020-11-06 | Mechanical vertical shaft structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112302051A true CN112302051A (en) | 2021-02-02 |
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ID=74326490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011230233.2A Pending CN112302051A (en) | 2020-11-06 | 2020-11-06 | Mechanical vertical shaft structure and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112302051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142473A (en) * | 2022-06-15 | 2022-10-04 | 河南省生态园林绿化建设有限公司 | Municipal road inspection well structure and installation and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011052396A (en) * | 2009-08-31 | 2011-03-17 | Daiwa Lantec Higashi Nihon Kk | Structure and bracket for joining small-diameter steel pipe pile, and method for constructing the small-diameter steel pipe pile |
| CN202416301U (en) * | 2012-02-01 | 2012-09-05 | 钟阳 | Novel pipe pile joint |
| US20180119380A1 (en) * | 2015-02-17 | 2018-05-03 | Kubota Corporation | Joint mechanism and connection method for steel pipe |
| CN208650051U (en) * | 2018-08-09 | 2019-03-26 | 中电建南方建设投资有限公司 | A kind of permanent stand column pile steel bushing interface arrangement |
| CN210002395U (en) * | 2019-04-03 | 2020-01-31 | 中国十七冶集团有限公司 | steel casing structure for underground comprehensive pipe gallery |
| CN210031914U (en) * | 2019-04-08 | 2020-02-07 | 中国建筑第八工程局有限公司 | Assembled inspection shaft |
-
2020
- 2020-11-06 CN CN202011230233.2A patent/CN112302051A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011052396A (en) * | 2009-08-31 | 2011-03-17 | Daiwa Lantec Higashi Nihon Kk | Structure and bracket for joining small-diameter steel pipe pile, and method for constructing the small-diameter steel pipe pile |
| CN202416301U (en) * | 2012-02-01 | 2012-09-05 | 钟阳 | Novel pipe pile joint |
| US20180119380A1 (en) * | 2015-02-17 | 2018-05-03 | Kubota Corporation | Joint mechanism and connection method for steel pipe |
| CN208650051U (en) * | 2018-08-09 | 2019-03-26 | 中电建南方建设投资有限公司 | A kind of permanent stand column pile steel bushing interface arrangement |
| CN210002395U (en) * | 2019-04-03 | 2020-01-31 | 中国十七冶集团有限公司 | steel casing structure for underground comprehensive pipe gallery |
| CN210031914U (en) * | 2019-04-08 | 2020-02-07 | 中国建筑第八工程局有限公司 | Assembled inspection shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142473A (en) * | 2022-06-15 | 2022-10-04 | 河南省生态园林绿化建设有限公司 | Municipal road inspection well structure and installation and construction method thereof |
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Application publication date: 20210202 |