CN113482548A - Steel casing up-down butt joint structure - Google Patents
Steel casing up-down butt joint structure Download PDFInfo
- Publication number
- CN113482548A CN113482548A CN202110891849.2A CN202110891849A CN113482548A CN 113482548 A CN113482548 A CN 113482548A CN 202110891849 A CN202110891849 A CN 202110891849A CN 113482548 A CN113482548 A CN 113482548A
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- pipe
- section
- limiting
- convex
- insert ring
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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
- 210000001503 joint Anatomy 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims description 39
- 238000007789 sealing Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/08—Casing joints
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Joining Of Building Structures In Genera (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of steel sleeves, and discloses a steel sleeve up-down butt joint structure which comprises an upper section pipe and a lower section pipe, wherein the upper section pipe is provided with an upper insert ring, the upper insert ring is convexly provided with a plurality of convex insert plates to form a convex block, the upper insert ring is provided with an upper narrow section, the lower section pipe is provided with a lower insert ring, the lower insert ring is provided with a lower annular groove, the lower annular groove is formed with a top opening, the lower annular groove is convexly provided with a plurality of limiting plates to form a limiting section, the lower annular groove is provided with a lower wide section, when the upper section pipe is in butt joint with the lower section pipe, the upper narrow section passes through the limiting section, the convex insert section passes through the lower wide section, the upper section pipe and the lower section pipe rotate relatively until the convex insert section is arranged in the limiting section, the limiting plates and the convex insert plates are arranged in an up-down alignment manner, the limiting plates limit the convex insert plates to be separated upwards to resist torque and shear force from the upper section pipe and the lower section pipe, the structure saves a large number of bolt connection while keeping the upper section pipe and the upper section pipe firmly connected, when the upper steel sleeve and the lower steel sleeve are connected, the upper steel sleeve and the lower steel sleeve are quickly connected.
Description
Technical Field
The invention relates to the technical field of steel sleeves, in particular to an up-and-down butt joint structure of a steel sleeve.
Background
The full-casing matched construction is a noise-free vibration, environment-friendly, stable and efficient drilling process in the field of pile foundations, and has wide application in projects such as secant pile construction of urban deep foundation pit support structures, cleaning of underground obstacles such as engineering waste piles and the like, construction of building foundation piles and the like in recent years.
The steel sleeve is an important component of the full-casing construction process, the steel sleeve adopts the design of an inner-layer cylinder wall and an outer-layer cylinder wall, the rigidity of the steel sleeve can be effectively improved, the steel sleeve structurally has the characteristic of straight inside and outside, the frictional resistance applied to the sleeve by the outer hole wall when the sleeve is put down is reduced, and meanwhile, the inner-layer cylinder wall can play a good role in guiding a drilling tool and prevent the drilling tool from scratching the inner wall of the sleeve.
In the prior art, the steel sleeve joint usually adopts the inside and outside ring to be equipped with the full bolt and carry out firm connection, and wherein the bolt number increases according to the increase of steel sleeve diameter, and this bolt number is numerous when leading to steel sleeve diameter great. In the actual operation process, the time that the upper and lower steel casing pipes are firmly connected is longer, the single repetition of installation and follow-up dismantlement process one by one of the numerous bolt of number in the linkage segment is just wasted time and energy, and the demand of the difficult pile foundation job site operation compactness that satisfies is unfavorable for reducing the construction interval time cost of pile foundation operation, is unfavorable for reaching the purpose of the construction management that becomes more meticulous.
Disclosure of Invention
The invention aims to provide an upper and lower butt joint structure of a steel sleeve, and aims to solve the problem that in the prior art, the connection of an upper steel sleeve and a lower steel sleeve needs long time.
The invention is realized by comprising an upper section pipe and a lower section pipe, wherein the lower end of the upper section pipe is provided with an upper insert ring, the lower part of the side wall of the upper insert ring is convexly provided with a plurality of convex panels to form a convex block, the convex panels extend along the circumferential direction of the upper insert ring and are arranged at intervals, and the upper insert ring is provided with an upper narrow section formed between the adjacent convex panels;
the upper end of the lower section pipe is provided with a lower insert ring for the upper insert ring to be inserted and butted, a lower ring groove is arranged in the lower insert ring, the lower ring groove penetrates through the top of the lower insert ring to form a top opening, and the lower ring groove extends along the circumferential direction of the lower insert ring;
a plurality of limiting plates are convexly arranged at the upper part of the side wall of the lower ring groove to form a limiting section, the limiting plates extend along the circumferential direction of the lower insert ring, the limiting plates are arranged at intervals, and the lower ring groove is provided with a lower wide section formed between the adjacent limiting plates;
when the lower end of the upper tube is in butt joint with the upper end of the lower tube, the upper narrow section penetrates through the limiting section from top to bottom, the convex block penetrates through the lower wide section from top to bottom, the upper tube and the lower tube rotate relatively until the convex block is arranged in the limiting section, the limiting plate and the convex panel are arranged in an up-down alignment mode, the limiting plate limits the convex panel to be separated upwards, and the upper narrow section is arranged in the lower wide section.
Furthermore, through holes are respectively formed in the upper narrow section and the lower wide section, and after the upper joint pipe and the lower joint pipe rotate relatively, the upper joint pipe and the lower joint pipe are fixed relatively by penetrating through the through holes through bolts.
Further, the side wall of the upper insert ring comprises an inner wall arranged inwards and an outer wall arranged outwards, and the inner wall and the outer wall are respectively provided with the convex panel.
Further, the lateral wall of lower annular includes two inside walls of mutual disposition, two inside walls of lower annular are equipped with respectively the limiting plate.
Furthermore, the top of the upper insert ring is provided with a sealing ring surface which is horizontally arranged downwards, the sealing ring surface protrudes towards two sides of the upper insert ring and is circumferentially arranged along the circumferential direction of the upper insert ring, and when the lower end of the upper joint pipe is in butt joint with the upper end of the lower joint pipe, the sealing ring surface seals the top opening from top to bottom.
Furthermore, the top of the convex panel is provided with a convex embedding abutting surface which is arranged upwards, the bottom of the limiting plate is provided with a limiting abutting surface which is arranged downwards, and after the lower end of the upper section pipe is abutted with the upper end of the lower section pipe, the convex embedding abutting surface and the limiting abutting surface are abutted up and down.
Further, when the upper tube joint is in butt joint with the lower tube joint, after the bolt penetrates through the through hole, an upper protective tube is sleeved on the periphery of the lower portion of the upper tube joint, a lower protective tube is sleeved on the periphery of the upper portion of the lower tube joint, and the bottom of the upper protective tube is abutted to the top of the lower protective tube.
Furthermore, an upper bulge protruding towards the upper joint pipe is convexly arranged on the inner side surface of the upper protection pipe, an upper groove is formed in the periphery of the upper joint pipe, and the upper bulge is embedded into the upper groove;
the inner side surface of the lower protective pipe is convexly provided with a lower bulge protruding towards the lower tube, the periphery of the lower tube is provided with a lower groove, and the lower bulge is embedded into the lower groove.
Furthermore, the bottom of the upper protective pipe is provided with a limiting convex block protruding towards the lower section pipe, the top of the lower protective pipe is provided with a concave limiting concave groove, and the limiting convex block is embedded in the limiting concave groove.
Furthermore, the periphery of the upper tube and the periphery of the lower tube are respectively provided with a plurality of concave stripes, the inner side surface of the upper protective tube and the inner side surface of the lower protective tube are respectively provided with a plurality of convex stripes in a protruding manner, and the convex stripes are embedded into the concave stripes.
Compared with the prior art, the steel sleeve up-down butt joint structure provided by the invention has the advantages that the upper section pipe is in butt joint with the lower section pipe, the upper narrow section penetrates through the limiting section, the convex embedding section penetrates through the lower wide section, the upper section pipe and the lower section pipe rotate relatively until the convex embedding section is arranged in the limiting section, the limiting plate and the convex embedding plate are arranged in an up-down alignment manner, the limiting plate limits the convex embedding plate to be separated upwards, and the torque and the shearing force from the upper section steel sleeve and the lower section steel sleeve are resisted.
Drawings
FIG. 1 is a perspective view of a steel casing up-down butt joint structure provided by the present invention before butt joint;
FIG. 2 is a perspective view of the butted up and down structures of steel casing provided by the present invention;
FIG. 3 is a perspective view of an upper protection pipe and a lower protection pipe of a steel casing up-down butting structure provided by the invention;
FIG. 4 is an enlarged partial view of the steel casing up and down butt joint structure provided by the present invention before butt joint;
in the figure: the pipe joint comprises an upper pipe joint 100, a lower pipe joint 101, an upper insert ring 102, a convex panel 103, an upper narrow section 104, a lower insert ring 105, a lower ring groove 106, a limiting plate 107, a lower wide section 109, a through hole 110, an upper protective pipe 112, a lower protective pipe 113, an upper bulge 114, an upper groove 115, a lower bulge 116, a lower groove 117, a limiting bulge 118, a limiting concave groove 119, a concave stripe 120 and a convex stripe 121.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail 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 invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1 to 4, the preferred embodiment of the present invention is shown.
The steel sleeve up-down butt joint structure comprises an upper joint pipe 100 and a lower joint pipe 101; the lower end of the upper pipe section 100 is provided with an upper insert ring 102, the wall thickness of the upper insert ring 102 is smaller than that of the upper pipe section 100, the inner diameter of the upper insert ring 102 is larger than that of the upper pipe section 100, the outer diameter of the upper insert ring 102 is smaller than that of the upper pipe section 100, the lower part of the side wall of the upper insert ring 102 is convexly provided with a plurality of convex panels 103 to form a convex block, the convex panels 103 extend along the circumferential direction of the upper insert ring 102, the convex panels 103 are arranged at intervals along the circumferential direction of the upper insert ring 102, and the upper insert ring 102 is provided with an upper narrow section 104 formed between the adjacent convex panels 103;
the upper end of the lower pipe joint 101 is provided with a lower insert ring 105 for the upper insert ring 102 to be inserted and butted, the inner diameter and the outer diameter of the lower insert ring 105 are equal to those of the lower pipe joint 101, a lower ring groove 106 is arranged in the lower insert ring 105, the lower ring groove 106 penetrates through the top of the lower insert ring 105 to form a top opening, and the lower ring groove 106 extends along the circumferential direction of the lower insert ring 105;
a plurality of limiting plates 107 are convexly arranged at the upper part of the side wall of the lower ring groove 106, the limiting plates 107 are arranged in the groove of the lower ring groove 106 to form limiting sections, the limiting plates 107 extend along the circumferential direction of the lower insert ring 105, the plurality of limiting plates 107 are arranged at intervals, and the lower ring groove 106 is provided with lower wide sections 109 formed between the adjacent limiting plates 107;
when the lower end of the upper section pipe 100 is in butt joint with the upper end of the lower section pipe 101, the upper narrow section 104 penetrates through the limiting section from top to bottom, and after the convex embedding section penetrates through the lower wide section 109 from top to bottom, the upper section pipe 100 and the lower section pipe 101 relatively rotate until the convex embedding section is arranged in the limiting section, the limiting plate 107 and the convex embedding plate 103 are arranged in an up-and-down alignment manner, the limiting plate 107 limits the convex embedding plate 103 to be separated upwards, the upper narrow section 104 is arranged in the lower wide section 109 and resists the torque and the shearing force from the upper steel sleeve and the lower steel sleeve.
Through holes 110 are respectively arranged in the upper narrow section 104 and the lower wide section 109, when the upper joint pipe 100 and the lower joint pipe 101 rotate relatively, the through holes 110 in the upper narrow section 104 are aligned with the through holes 110 in the lower wide section 109, and bolts penetrate through the through holes 110 in the upper narrow section 104 and the lower wide section 109 to relatively fix the upper joint pipe 100 and the lower joint pipe 101.
The side wall of upper insert ring 102 comprises an inwardly disposed inner wall and an outwardly disposed outer wall, which are each provided with a convex panel 103, convex panel 103 being disposed in the inner wall of upper insert ring 102 along the circumferential extension of the inner wall, convex panel 103 being disposed in the outer wall of upper insert ring 102 along the circumferential extension of the outer wall, convex panel 103 in the inner wall of upper insert ring 102 being disposed in alignment with convex panel 103 in the outer wall of upper insert ring 102.
The side wall of the lower ring groove 106 comprises two inner side walls which are arranged oppositely, two inner side walls of the lower ring groove 106 are respectively provided with a limiting plate 107, and the limiting plates 107 arranged on the two inner side walls are arranged in an aligned manner;
in the lower wide section 109, through holes 110 are respectively arranged on two inner side walls, the through holes 110 on the two inner side walls are arranged in an aligned manner and have the same size as the through holes 110 of the upper narrow section 104, and after the upper tube segment 100 and the lower tube segment 101 rotate relatively, the through holes 110 on the two inner side walls are overlapped with the through holes 110 of the upper narrow section 104, so that bolts can smoothly pass through the through holes.
The top of the upper insert ring 102 is provided with a sealing ring surface, the sealing ring surface is horizontally arranged downwards, the sealing ring surface protrudes towards the two sides of the upper insert ring 102 and is circumferentially arranged along the upper insert ring 102, and after the lower end of the upper joint pipe 100 is in butt joint with the upper end of the lower joint pipe 101, the sealing ring surface is opened from top to bottom to cover the top, so that external stone-filling fragments and silt are prevented from entering the lower ring groove 106.
The top of convex panel 103 has the protruding butt face of inlaying, and the protruding butt face is upwards arranged, and the bottom of limiting plate 107 has spacing butt face, and spacing butt face is arranged down, and after the lower extreme of upper tube 100 and the upper end butt joint of lower tube 101, the protruding butt face is upper and lower butt between the spacing butt face, prevents that upper tube 100 and lower tube 101 from droing, resists the moment of torsion and the shear force that comes from the steel casing pipe, keeps the firm connection of upper tube 100 and lower tube 101.
When the upper tube 100 is butted with the lower tube 101, after the bolt passes through the through hole 110, the periphery of the lower part of the upper tube 100 is sleeved with an upper protective tube 112, the periphery of the upper part of the lower tube 101 is sleeved with a lower protective tube 113, and the bottom of the upper protective tube 112 is abutted with the top of the lower protective tube 113;
the upper protective pipe 112 and the lower protective pipe 113 are sleeved on the connecting part of the upper joint pipe 100 and the lower joint pipe 101, so that on one hand, the connection between the upper joint pipe 100 and the lower joint pipe 101 is strengthened, the upper joint pipe 100 and the lower joint pipe 101 are prevented from falling off, the torque and the shearing force from a steel sleeve pipe are resisted, and the stable connection between the upper joint pipe 100 and the lower joint pipe 101 is kept;
on the other hand, the upper casing 112 and the lower casing 113 form a sealed protection space for the steel casing, preventing external rock-fill debris and silt from entering the joint between the upper joint pipe 100 and the lower joint pipe 101.
An upper bulge 114 which bulges towards the upper tube joint 100 is convexly arranged on the inner side surface of the upper protective tube 112, an upper groove 115 is arranged on the periphery of the upper tube joint 100, and the upper bulge 114 is embedded into the upper groove 115, so that the freedom of movement of the upper protective tube 112 along the directions of three rectangular coordinate axes of x, y and z is limited, and the upper protective tube 112 is prevented from moving relative to the upper tube joint 100;
the inner side surface of the lower protective pipe 113 is convexly provided with a lower protrusion 116 protruding towards the lower joint pipe 101, the periphery of the lower joint pipe 101 is provided with a lower groove 117, and the lower protrusion 116 is embedded into the lower groove 117, so that the moving freedom of the lower protective pipe 113 along the directions of three rectangular coordinate axes of x, y and z is limited, and the lower protective pipe 113 is prevented from moving relative to the lower joint pipe 101.
The bottom of the upper protective pipe 112 is provided with a limiting convex block 118 protruding towards the lower tube section 101, the top of the lower protective pipe 113 is provided with a concave limiting concave groove 119, the limiting convex block 118 and the limiting concave groove 119 are the same in shape and size, and the limiting convex block 118 is embedded in the limiting concave groove 119 to prevent the lower protective pipe 113 from moving relative to the lower tube section 101.
A plurality of concave stripes 120 are respectively recessed on the periphery of the upper tube 100 and the periphery of the lower tube 101, a plurality of convex stripes 121 are respectively raised on the inner side surface of the upper protective tube 112 and the inner side surface of the lower protective tube 113, the convex stripes 121 and the concave stripes 120 are arranged in alignment, and the length and the width of the convex stripes 121 are equal to those of the concave stripes 120;
when the upper protective pipe 112 and the lower protective pipe 113 are installed, the convex stripe 121 is embedded into the concave stripe 120, so that the freedom of movement in the directions of three orthogonal coordinate axes of x, y and z and the freedom of rotation around the three coordinate axes are limited, the upper protective pipe 112 and the lower protective pipe 113 are prevented from moving up and down along the axis of the steel sleeve, and the upper protective pipe 112 and the lower protective pipe 113 are prevented from rotating around the axis of the steel sleeve.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The steel sleeve up-down butt joint structure is characterized by comprising an upper joint pipe and a lower joint pipe;
the lower end of the upper pipe section is provided with an upper insert ring, the lower part of the side wall of the upper insert ring is convexly provided with a plurality of convex panels to form a convex block, the convex panels extend along the circumferential direction of the upper insert ring and are arranged at intervals, and the upper insert ring is provided with an upper narrow section formed between the adjacent convex panels;
the upper end of the lower section pipe is provided with a lower insert ring for the upper insert ring to be inserted and butted, a lower ring groove is arranged in the lower insert ring, the lower ring groove penetrates through the top of the lower insert ring to form a top opening, and the lower ring groove extends along the circumferential direction of the lower insert ring;
a plurality of limiting plates are convexly arranged at the upper part of the side wall of the lower ring groove to form a limiting section, the limiting plates extend along the circumferential direction of the lower insert ring, the limiting plates are arranged at intervals, and the lower ring groove is provided with a lower wide section formed between the adjacent limiting plates;
when the lower end of the upper tube is in butt joint with the upper end of the lower tube, the upper narrow section penetrates through the limiting section from top to bottom, the convex block penetrates through the lower wide section from top to bottom, the upper tube and the lower tube rotate relatively until the convex block is arranged in the limiting section, the limiting plate and the convex panel are arranged in an up-down alignment mode, the limiting plate limits the convex panel to be separated upwards, and the upper narrow section is arranged in the lower wide section.
2. The steel casing upper and lower butting structure according to claim 1, wherein through holes are formed in the upper narrow section and the lower wide section, respectively, and after the upper joint pipe and the lower joint pipe are relatively rotated, bolts are inserted into the through holes to relatively fix the upper joint pipe and the lower joint pipe.
3. The steel casing up-down butting structure of claim 1, wherein the side wall of the upper insert ring includes an inwardly disposed inner wall and an outwardly disposed outer wall, the inner wall and the outer wall being provided with the male panel, respectively.
4. The steel casing upper and lower butting structure of claim 1, wherein the side wall of the lower ring groove comprises two oppositely arranged inner side walls, and the two inner side walls of the lower ring groove are respectively provided with the limiting plates.
5. The steel casing pipe up-down butting structure as claimed in any one of claims 1 to 4, wherein the top of the upper insert ring is provided with a downward horizontally arranged cover ring surface, the cover ring surface protrudes towards two sides of the upper insert ring and is circumferentially arranged along the circumference of the upper insert ring, and when the lower end of the upper section pipe is butted with the upper end of the lower section pipe, the cover ring surface covers the top opening from top to bottom.
6. The steel casing pipe up-down butting structure according to any one of claims 1 to 4, wherein the top of the convex panel is provided with an upward convex-embedded abutting surface, the bottom of the limiting plate is provided with a downward limiting abutting surface, and after the lower end of the upper section pipe is butted with the upper end of the lower section pipe, the convex-embedded abutting surface and the limiting abutting surface are in up-down butting.
7. The steel casing up-down butting structure according to claim 2, wherein after the bolt passes through the through hole when the upper joint pipe and the lower joint pipe are butted, an upper protection pipe is sleeved on the outer periphery of the lower portion of the upper joint pipe, a lower protection pipe is sleeved on the outer periphery of the upper portion of the lower joint pipe, and the bottom of the upper protection pipe abuts against the top of the lower protection pipe.
8. The steel casing upper and lower butting structure according to claim 7, wherein an upper protrusion protruding toward the upper joint pipe is provided on an inner side surface of the upper protection pipe in a protruding manner, an upper groove is provided on an outer periphery of the upper joint pipe, and the upper protrusion is embedded in the upper groove;
the inner side surface of the lower protective pipe is convexly provided with a lower bulge protruding towards the lower tube, the periphery of the lower tube is provided with a lower groove, and the lower bulge is embedded into the lower groove.
9. The steel casing up-down butting structure as recited in any one of claims 7 to 8, wherein the bottom of the upper protective pipe is provided with a limiting convex block protruding towards the lower casing pipe, the top of the lower protective pipe is provided with a concave limiting concave groove, and the limiting convex block is embedded in the limiting concave groove.
10. The steel casing up-down butting structure as claimed in any one of claims 7 to 9, wherein a plurality of concave stripes are respectively recessed on the outer periphery of the upper joint pipe and the outer periphery of the lower joint pipe, a plurality of convex stripes are respectively raised on the inner side surface of the upper protective pipe and the inner side surface of the lower protective pipe, and the convex stripes are embedded into the concave stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110891849.2A CN113482548B (en) | 2021-08-04 | 2021-08-04 | Butt joint structure about steel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110891849.2A CN113482548B (en) | 2021-08-04 | 2021-08-04 | Butt joint structure about steel casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113482548A true CN113482548A (en) | 2021-10-08 |
| CN113482548B CN113482548B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110891849.2A Active CN113482548B (en) | 2021-08-04 | 2021-08-04 | Butt joint structure about steel casing |
Country Status (1)
| Country | Link |
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| CN (1) | CN113482548B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145452A (en) * | 2023-07-10 | 2023-12-01 | 中国地质大学（武汉） | Up-down separation type detector protection tube transmission mechanism for deep detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429415A (en) * | 1974-03-22 | 1976-03-24 | Hardie Co Pty Ltd James | Pipe joint |
| CN102747729A (en) * | 2012-07-13 | 2012-10-24 | 中铁二十四局集团上海铁建工程有限公司 | Sleeve connection device for bored cast-in-place pile construction |
| CN110331718A (en) * | 2019-07-05 | 2019-10-15 | 深圳宏业基岩土科技股份有限公司 | Mortise and tenon type connects steel bushing pipe joint structure |
| CN110578840A (en) * | 2019-09-11 | 2019-12-17 | 广东管博管道技术科技有限公司 | Pipeline mortise and tenon joint structure |
| CN210509055U (en) * | 2019-07-25 | 2020-05-12 | 中铁八局集团建筑工程有限公司 | Detachable steel sleeve drill bit structure |
| CN112267458A (en) * | 2020-10-14 | 2021-01-26 | 中国建筑第八工程局有限公司 | Micro-disturbance construction method for full-casing cast-in-situ bored pile adjacent to subway |
-
2021
- 2021-08-04 CN CN202110891849.2A patent/CN113482548B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429415A (en) * | 1974-03-22 | 1976-03-24 | Hardie Co Pty Ltd James | Pipe joint |
| CN102747729A (en) * | 2012-07-13 | 2012-10-24 | 中铁二十四局集团上海铁建工程有限公司 | Sleeve connection device for bored cast-in-place pile construction |
| CN110331718A (en) * | 2019-07-05 | 2019-10-15 | 深圳宏业基岩土科技股份有限公司 | Mortise and tenon type connects steel bushing pipe joint structure |
| CN210509055U (en) * | 2019-07-25 | 2020-05-12 | 中铁八局集团建筑工程有限公司 | Detachable steel sleeve drill bit structure |
| CN110578840A (en) * | 2019-09-11 | 2019-12-17 | 广东管博管道技术科技有限公司 | Pipeline mortise and tenon joint structure |
| CN112267458A (en) * | 2020-10-14 | 2021-01-26 | 中国建筑第八工程局有限公司 | Micro-disturbance construction method for full-casing cast-in-situ bored pile adjacent to subway |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145452A (en) * | 2023-07-10 | 2023-12-01 | 中国地质大学（武汉） | Up-down separation type detector protection tube transmission mechanism for deep detection |
| CN117145452B (en) * | 2023-07-10 | 2024-03-26 | 中国地质大学（武汉） | Up-down separation type detector protection tube transmission mechanism for deep detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113482548B (en) | 2023-12-08 |
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