CN211395667U - Pile sinking pile casing connection protection structure - Google Patents
Pile sinking pile casing connection protection structure Download PDFInfo
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- CN211395667U CN211395667U CN201921611428.4U CN201921611428U CN211395667U CN 211395667 U CN211395667 U CN 211395667U CN 201921611428 U CN201921611428 U CN 201921611428U CN 211395667 U CN211395667 U CN 211395667U
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Abstract
The utility model discloses a pile sinking pile casing connection protection structure, which comprises a pile hole matrix (1), wherein a pile hole (2) is arranged in the pile hole matrix (1), and the upper end opening of the pile hole (2) is positioned on the surface of the pile hole matrix (1); a pile hole protecting wall is arranged in the pile hole (2), the pile hole protecting wall comprises a plurality of pile foundation protecting cylinders, and the pile hole protecting wall is formed by butting a plurality of pile foundation protecting cylinders; the pile foundation casing comprises an outer wall casing (3), the outer wall casing (3) is a hollow cylinder, and the outer wall casing (3) is attached to the inner surface of the pile hole (2); the pile foundation protects and has cup jointed a plurality of annular sealing rings (6) on the section of thick bamboo, and the tip of outer wall section of thick bamboo (3) is provided with section of bending (5), and section of bending (5) butt joint of two adjacent outer wall section of thick bamboos (3) tip is annular recess. The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.
Description
Technical Field
The utility model relates to a pile sinking protects a section of thick bamboo and connects protective structure belongs to the building field.
Background
In the construction operation process of the cast-in-situ bored pile, the pile hole protecting wall is often embedded to position the pile position to be drilled, and because the soil quality is unstable, the construction of the reinforced concrete protecting wall has great difficulty, so the steel pile hole protecting wall is adopted to protect the cast-in-situ bored pile, the hole collapse is prevented, and the construction progress and the safety are prevented from being influenced. The pile hole protecting wall is generally formed by butting a plurality of sections of cylindrical protecting cylinders, and the protecting cylinders are continuously added into the pile hole along with the deepening of a drill hole in the drilling and excavating process of the cast-in-situ bored pile. The current waterproof nature between the pile casing is relatively poor, causes the seepage easily, when pile foundation concrete placement, in moisture infiltration in the matrix reaches pile hole dado for concrete part soaks and causes the shaping of pile foundation uneven, influences the quality of pouring the stake.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model to exist among the prior art: "waterproof nature between the current pile casing is relatively poor, causes the seepage easily, when pile foundation concrete placement, in moisture infiltration in the matrix reaches pile hole dado for concrete part soaks and causes the shaping of pile foundation inhomogeneous, influences the not enough of the quality of pouring the pile," provides a heavy pile casing and connects protective structure.
In order to solve the technical problem, the technical scheme adopted by the utility model is that the pile sinking pile casing connecting and protecting structure comprises a pile hole matrix, wherein a pile hole is arranged in the pile hole matrix, and an upper end opening of the pile hole is positioned on the surface of the pile hole matrix; the pile hole protecting wall is arranged in the pile hole and comprises a plurality of pile foundation protecting cylinders, and the pile hole protecting wall is formed by butt joint of the pile foundation protecting cylinders; the pile foundation casing comprises an outer wall casing which is a hollow cylinder and is arranged by being attached to the inner surface of the pile hole; the pile foundation casing is sleeved with a plurality of annular sealing rings, the end parts of the outer wall casings are provided with bending sections, the bending sections at the end parts of two adjacent outer wall casings are butted into an annular groove, and the sealing rings are positioned in the groove and are in pressing contact with the inner surface of the groove; the bending sections at the two ends of the outer wall cylinder are respectively and fixedly provided with an annular connecting sheet, and the connecting sheets at the end parts of the two adjacent outer wall cylinders are attached; one end of the pile hole protecting wall is connected with a hammering plate, and the other end of the pile hole protecting wall is connected with a bottom ring plate.
According to the technical scheme, the sealing ring is arranged between the two adjacent outer wall cylinders, the sealing ring is arranged in a groove formed by butt joint of bending sections at the end parts of the two adjacent outer wall cylinders, the waterproof sealing performance between the two adjacent outer wall cylinders is improved, the situation that in the process of supporting and later pouring, moisture in a pile hole matrix enters the pile hole retaining wall between the two adjacent outer wall cylinders is prevented. Annular connection piece has increased the resistance to deformation intensity at outer wall section of thick bamboo both ends, prevents that the border of outer wall section of thick bamboo from warping and causing and break away from the contact between sealing ring and the recess, reduces the leakproofness. And through the laminating of connection piece between two adjacent outer wall section of thick bamboo, can improve the butt joint axiality between two adjacent outer wall section of thick bamboo. When the pile foundation pile casing is driven into the pile hole by the hammering pile foundation pile casing, the hammering plate bears the pressure of hammering, and the bottom ring plate reduces the friction force when the pile foundation pile casing enters the soil layer.
Preferably, the pile sinking casing connecting protection structure is characterized in that a plurality of supporting threaded steel bars are arranged in the pile hole protecting wall, the supporting threaded steel bars are arranged in parallel to the axis direction of the pile hole protecting wall, and the supporting threaded steel bars penetrate through the connecting pieces and are fixedly connected with the connecting pieces.
In this application, can set up a plurality of through-holes at the connection piece, support the through-hole on the twisted steel bar passed the connection piece. Through the connection of supporting the twisted steel, the connection firmness of two adjacent connecting pieces can be improved, and then the connection firmness between two adjacent outer wall cylinders is improved. And through the restriction of the supporting twisted steel, the coaxiality of two adjacent outer wall cylinders in the connection process can be improved.
Preferably, the pile sinking casing is connected with the protection structure, the upper end of the supporting threaded steel bar penetrates through the hammering plate, and the lower end of the supporting threaded steel bar penetrates through the bottom ring plate and is fixedly connected with the bottom ring plate through a nut.
In this application, support the twisted steel and be fixed in the lower extreme of stake hole dado with the end crown plate to the hammering board is connected in the upper end of stake hole dado through supporting twisted steel, has improved the hookup location precision of hammering board and stake hole dado through supporting twisted steel's setting.
Preferably, the pile sinking casing is connected with the protection structure, the outer wall cylinder is internally sleeved with the inner wall cylinder, the inner wall cylinder and the outer wall cylinder are coaxially arranged, and the connecting sheet is located between the inner wall cylinder and the outer wall cylinder and fixedly connected with the inner wall cylinder and the outer wall cylinder.
In this application, set up an interior wall section of thick bamboo in an exterior wall section of thick bamboo, through the double-deck support of an exterior wall section of thick bamboo, an interior wall section of thick bamboo, improved the bulk strength of pile foundation casing. And through the support of an inner wall section of thick bamboo to section of bending, connection piece, can improve the anti-deformation strength of the section of bending, connection piece, prevent that section of bending, connection piece from making the sealing ring break away from in the contact of recess because of warping, guarantee waterproof sealing nature.
Preferably, the pile sinking casing is connected with the protective structure, part of the supporting threaded steel bars penetrate through the connecting pieces and are fixedly connected with the connecting pieces through nuts, the inner wall cylinder is provided with a plurality of connecting grooves, and the positions of the connecting grooves are matched with the positions of the nuts on the supporting threaded steel bars.
Because support twisted steel need use the sleeve butt joint under the not enough condition of length to it is fixed with the connection piece that partial support twisted steel need pass through the nut after passing the connection piece, for convenient screwing up the nut or using two support twisted steel of muffjoint, set up a plurality of connection flutings on the inner wall section of thick bamboo in this application, makes things convenient for operating personnel to stretch into the hand and operates. After the operation is finished, a film can be coated or a cover plate can be arranged on the connecting open groove, so that concrete is prevented from entering the connecting open groove during pouring.
Preferably, the pile sinking pile casing is connected with a protection structure, an annular bulge matched with the bending section is arranged on the hammering plate, and the annular bulge is inserted into the bending section adjacent to the hammering plate; the hammering plate is provided with an annular inserting barrel body, and the inserting barrel body is inserted into the pile foundation casing adjacent to the hammering plate and is in contact with the inner surface of the pile foundation casing.
The main atress part that hits is hit as bearing the hammering to the hammering board, if take place the skew, can cause the pile foundation to protect a section of thick bamboo and probably cause the pile foundation to protect a section of thick bamboo and take place the skew after the hammering gets into the stake hole. In this application, use annular arch, grafting barrel and the section of bending, pile foundation to protect a section of thick bamboo inner wall and peg graft, played the effect of the position of fixed hammering board.
Preferably, the pile sinking casing is connected with the protection structure, the outer wall cylinder, the bending section and the connecting piece are integrally formed by steel plates, and two ends of the inner wall cylinder are respectively welded and fixed with the connecting piece.
In this application, with outer wall section of thick bamboo, the section of bending, connection piece integrated into one piece, improved the joint strength of outer wall section of thick bamboo, the section of bending, connection piece, interior wall section of thick bamboo and connection piece welded fastening for interior wall section of thick bamboo and outer wall section of thick bamboo, the section of bending, connection piece fixed connection guarantee the whole atress nature of pile foundation casing.
Preferably, the pile sinking pile casing is connected with the protection structure, the upper end face of the hammering plate is provided with a plurality of bearing heads, the bearing heads are hollow, and the end parts of the supporting threaded steel bars are inserted into the bearing heads and are in sliding connection with the bearing heads.
In this application, set up the pressure-bearing head on the hammering board for bear the hammering that the hammering board received, support the twisted steel and peg graft in order to improve the location accuracy that is connected of hammering board and stake hole dado in the pressure-bearing head, and put and end the hammering board and take place the skew.
Preferably, the pile sinking pile casing is connected with the protective structure, the bottom ring plate is provided with a connecting bulge matched with the bending section, and the connecting bulge is inserted into the bending section adjacent to the bottom ring plate; and one end of the bottom ring plate, which is far away from the pile hole protecting wall, is provided with a guide end for facilitating the bottom ring plate to enter a soil layer.
In this application, the connecting projection on the bottom ring plate plays a role in positioning the fixed position of the bottom ring plate. The guide end facilitates the bottom ring plate to enter the soil layer, and the resistance of the bottom ring plate in the advancing process is reduced.
The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. According to the technical scheme, the sealing ring is arranged between the two adjacent outer wall cylinders, the sealing ring is arranged in a groove formed by butt joint of bending sections at the end parts of the two adjacent outer wall cylinders, the waterproof sealing performance between the two adjacent outer wall cylinders is improved, the situation that in the process of supporting and later pouring, moisture in a pile hole matrix enters the pile hole retaining wall between the two adjacent outer wall cylinders is prevented. Annular connection piece has increased the resistance to deformation intensity at outer wall section of thick bamboo both ends, prevents that the border of outer wall section of thick bamboo from warping and causing and break away from the contact between sealing ring and the recess, reduces the leakproofness. And through the laminating of connection piece between two adjacent outer wall section of thick bamboo, can improve the butt joint axiality between two adjacent outer wall section of thick bamboo. When the pile foundation pile casing is driven into the pile hole by the hammering pile foundation pile casing, the hammering plate bears the pressure of hammering, and the bottom ring plate reduces the friction force when the pile foundation pile casing enters the soil layer.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a pile foundation casing in the present invention;
fig. 3 is a schematic structural view of the bottom ring plate of the present invention;
fig. 4 is a schematic structural view of the hammering plate of the present invention.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the utility model relates to a pile sinking pile casing connection protection structure, which comprises a pile hole matrix 1, wherein a pile hole 2 is arranged in the pile hole matrix 1, and the upper end opening of the pile hole 2 is positioned on the surface of the pile hole matrix 1; a pile hole protecting wall is arranged in the pile hole 2 and comprises a plurality of pile foundation protecting cylinders, and the pile hole protecting wall is formed by butting a plurality of pile foundation protecting cylinders; the pile foundation casing comprises an outer wall casing 3, the outer wall casing 3 is a hollow cylinder, and the outer wall casing 3 is attached to the inner surface of the pile hole 2; the pile foundation casing is sleeved with a plurality of annular sealing rings 6, the end parts of the outer wall casings 3 are provided with bending sections 5, the bending sections 5 at the end parts of two adjacent outer wall casings 3 are butted into an annular groove, and the sealing rings 6 are positioned in the groove and are in pressing contact with the inner surface of the groove; the bending sections 5 at the two ends of the outer wall cylinder 3 are respectively and fixedly provided with an annular connecting sheet 4, and the connecting sheets 4 at the end parts of the two adjacent outer wall cylinders 3 are attached; one end of the pile hole protecting wall is connected with a hammering plate 7, and the other end of the pile hole protecting wall is connected with a bottom ring plate 14.
In the technical scheme of this application, set up sealing ring 6 between two adjacent outer wall section of thick bamboo 3, sealing ring 6 sets up in the recess that the 5 butt joints of the section of bending of two adjacent outer wall section of thick bamboo 3 tip formed, has improved the waterproof leakproofness between two adjacent outer wall section of thick bamboo 3, prevents to put the in-process with the later stage in strutting, and the moisture in pile hole matrix 1 enters into in the pile hole dado between two adjacent outer wall section of thick bamboo 3. Annular connection piece 4 has increased the resistance to deformation intensity at outer wall section of thick bamboo 3 both ends, prevents that the border of outer wall section of thick bamboo 3 from warping and causing and break away from the contact between sealing ring 6 and the recess, reduces the leakproofness. And two adjacent outer wall barrels 3 are attached through the connecting sheet 4, so that the butt joint coaxiality between the two adjacent outer wall barrels 3 can be improved. When a hammering pile foundation pile casing is used for driving the pile foundation pile casing into the pile hole 2, the hammering plate 7 bears the pressure of hammering, and the bottom ring plate 14 reduces the friction force when the pile foundation pile casing enters a soil layer.
A plurality of supporting threaded steel bars 8 are arranged in the pile hole protecting wall, the supporting threaded steel bars 8 are arranged in parallel to the axis direction of the pile hole protecting wall, and the supporting threaded steel bars 8 penetrate through the connecting pieces 4 and are fixedly connected with the connecting pieces 4.
In this application, can set up a plurality of through-holes at connection piece 4, support twisted steel 8 and pass the through-hole on connection piece 4. Through the connection of supporting the twisted steel 8, the connection firmness of two adjacent connecting sheets 4 can be improved, and then the connection firmness between two adjacent outer wall cylinders 3 can be improved. And the coaxiality of the two adjacent outer-wall cylinders 3 can be improved by the limitation of the supporting twisted steel 8 when the two adjacent outer-wall cylinders are connected.
The upper end of the support threaded steel bar 8 penetrates through the hammering plate 7, and the lower end of the support threaded steel bar 8 penetrates through the bottom ring plate 14 and is fixedly connected with the bottom ring plate 14 through a nut.
In this application, support twisted steel 8 and be fixed in the lower extreme of stake hole dado with end crown plate 14 to hammering board 7 is connected in the upper end of stake hole dado through supporting twisted steel 8, has improved the hookup location precision of hammering board 7 and stake hole dado through the setting up of supporting twisted steel 8.
An inner wall cylinder 9 is sleeved in the outer wall cylinder 3, the inner wall cylinder 9 and the outer wall cylinder 3 are coaxially arranged, and the connecting piece 4 is located between the inner wall cylinder 9 and the outer wall cylinder 3 and fixedly connected with the inner wall cylinder 9 and the outer wall cylinder 3.
In this application, set up an inner wall section of thick bamboo 9 in an outer wall section of thick bamboo 3, through the double-deck support of an outer wall section of thick bamboo 3, an inner wall section of thick bamboo 9, improved the bulk strength of pile foundation casing. And through the support of the inner wall cylinder 9 to the bent section 5 and the connecting sheet 4, the deformation resistance of the bent section 5 and the connecting sheet 4 can be improved, the contact of the sealing ring 6 separated from the groove due to the deformation of the bent section 5 and the connecting sheet 4 is prevented, and the waterproof sealing performance is ensured.
Part support twisted steel 8 passes connection piece 4 and passes through nut and connection piece 4 fixed connection, is provided with a plurality of connection flutings 10 on the inner wall section of thick bamboo 9, connects the position of fluting 10 and the position cooperation setting of the nut on the support twisted steel 8.
Because support twisted steel 8 need use the sleeve butt joint under the not enough condition of length to it is fixed with connection piece 4 that partial support twisted steel 8 need pass through the nut after passing connection piece 4, for convenient screwing up the nut or using two support twisted steel 8 of muffjoint, set up a plurality of connection flutings 10 on inner wall section of thick bamboo 9 in this application, make things convenient for operating personnel to stretch into the hand and operate. After the operation is completed, a film can be coated on the connecting slot 10 or a cover plate can be arranged on the connecting slot 10 to prevent concrete from entering the connecting slot 10 during pouring.
The hammering plate 7 is provided with an annular bulge 11 matched with the bending section 5, and the annular bulge 11 is inserted into the bending section 5 adjacent to the hammering plate 7; the hammering plate 7 is provided with an annular inserting cylinder 12, and the inserting cylinder 12 is inserted into the pile foundation casing adjacent to the hammering plate 7 and contacts with the inner surface of the pile foundation casing.
Hammering board 7 is as bearing the main atress part that the hammering was hit, if take place the skew, can cause the pile foundation to protect a section of thick bamboo and probably cause the pile foundation to protect a section of thick bamboo and take place the skew after hammering gets into pile hole 2. In this application, use annular protrusion 11, peg graft barrel 12 and bend section of thick bamboo 5, pile foundation to protect a section of thick bamboo inner wall and peg graft, played the effect of the position of fixed hammering board 7.
The outer wall cylinder 3, the bending section 5 and the connecting sheet 4 are integrally formed by steel plates, and two ends of the inner wall cylinder 9 are respectively welded and fixed with the connecting sheet 4.
In this application, with an outer wall section of thick bamboo 3, the section of bending 5, 4 integrated into one piece of connection piece, improved an outer wall section of thick bamboo 3, the section of thick bamboo 5 of bending, the joint strength of connection piece 4, an inner wall section of thick bamboo 9 and 4 welded fastening of connection piece for an inner wall section of thick bamboo 9 and an outer wall section of thick bamboo 3, the section of thick bamboo 5 of bending, 4 fixed connection of connection piece guarantee the pile foundation protect a whole atress nature.
A plurality of pressure bearing heads 13 are arranged on the upper end face of the hammering plate 7, the pressure bearing heads 13 are arranged in a hollow mode, and the end portions of the supporting threaded steel bars 8 are inserted into the pressure bearing heads 13 and are connected with the pressure bearing heads 13 in a sliding mode.
In this application, set up pressure-bearing head 13 on hammering board 7 for bear the hammering that hammering board 7 received, support twisted steel 8 and peg graft in pressure-bearing head 13 in order to improve the positioning accuracy that is connected of hammering board 7 and stake hole dado, and put and end hammering board 7 and take place the skew.
The bottom ring plate 14 is provided with a connecting bulge 15 matched with the bending section 5, and the connecting bulge 15 is inserted in the bending section 5 adjacent to the bottom ring plate 14; the end of the bottom ring plate 14 far away from the pile hole protecting wall is provided with a guide end 16 for facilitating the bottom ring plate 14 to enter the soil layer.
In this application, the coupling projection 15 on the bottom ring plate 14 serves to position the fixing position of the bottom ring plate 14. The guide end 16 facilitates the bottom ring plate 14 to enter the soil layer, and reduces the resistance of the bottom ring plate 14 in the advancing process.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a protection architecture is connected to pile sinking casing which characterized in that: the pile hole matrix comprises a pile hole matrix (1), wherein a pile hole (2) is arranged in the pile hole matrix (1), and an opening at the upper end of the pile hole (2) is positioned on the surface of the pile hole matrix (1); a pile hole protecting wall is arranged in the pile hole (2), the pile hole protecting wall comprises a plurality of pile foundation protecting cylinders, and the pile hole protecting wall is formed by butting a plurality of pile foundation protecting cylinders; the pile foundation casing comprises an outer wall casing (3), the outer wall casing (3) is a hollow cylinder, and the outer wall casing (3) is attached to the inner surface of the pile hole (2); the pile foundation casing is sleeved with a plurality of annular sealing rings (6), the end parts of the outer wall casings (3) are provided with bending sections (5), the bending sections (5) at the end parts of two adjacent outer wall casings (3) are butted into an annular groove, and the sealing rings (6) are positioned in the groove and are in pressing contact with the inner surface of the groove; the bending sections (5) at the two ends of the outer wall cylinder (3) are respectively and fixedly provided with an annular connecting sheet (4), and the connecting sheets (4) at the end parts of two adjacent outer wall cylinders (3) are jointed; one end of the pile hole protecting wall is connected with a hammering plate (7), and the other end of the pile hole protecting wall is connected with a bottom ring plate (14).
2. The pile sinking casing connecting protective structure according to claim 1, wherein: the pile hole protecting wall is internally provided with a plurality of supporting threaded steel bars (8), the supporting threaded steel bars (8) are arranged in parallel to the axis direction of the pile hole protecting wall, and the supporting threaded steel bars (8) penetrate through the connecting pieces (4) and are fixedly connected with the connecting pieces (4).
3. The pile sinking casing connecting protective structure according to claim 2, wherein: the upper end of the supporting threaded steel bar (8) penetrates through the hammering plate (7), and the lower end of the supporting threaded steel bar (8) penetrates through the bottom ring plate (14) and is fixedly connected with the bottom ring plate (14) through nuts.
4. The pile sinking casing connecting protective structure according to claim 2, wherein: an inner wall cylinder (9) is sleeved in the outer wall cylinder (3), the inner wall cylinder (9) and the outer wall cylinder (3) are coaxially arranged, and the connecting piece (4) is located between the inner wall cylinder (9) and the outer wall cylinder (3) and fixedly connected with the inner wall cylinder (9) and the outer wall cylinder (3).
5. The pile sinking casing connecting protective structure according to claim 4, wherein: part support twisted steel (8) pass connection piece (4) and through nut and connection piece (4) fixed connection, are provided with a plurality of connection flutings (10) on the inner wall section of thick bamboo (9), and the position of connecting fluting (10) sets up with the position cooperation of the nut on the support twisted steel (8).
6. The pile sinking casing connecting protective structure according to claim 4, wherein: the hammering plate (7) is provided with an annular bulge (11) matched with the bending section (5), and the annular bulge (11) is inserted into the bending section (5) adjacent to the hammering plate (7); the pile foundation pile hammer is characterized in that an annular inserting barrel (12) is arranged on the hammering plate (7), and the inserting barrel (12) is inserted into the pile foundation pile casing adjacent to the hammering plate (7) and is in contact with the inner surface of the pile foundation pile casing.
7. The pile sinking casing connecting protective structure according to claim 4, wherein: the outer wall cylinder (3), the bending sections (5) and the connecting sheets (4) are integrally formed by steel plates, and two ends of the inner wall cylinder (9) are respectively welded and fixed with the connecting sheets (4).
8. The pile sinking casing connecting protective structure according to claim 4, wherein: a plurality of pressure bearing heads (13) are arranged on the upper end face of the hammering plate (7), the pressure bearing heads (13) are arranged in a hollow mode, and the end portions of the supporting threaded steel bars (8) are inserted into the pressure bearing heads (13) and are in sliding connection with the pressure bearing heads (13).
9. The pile sinking casing connecting protective structure according to claim 1, wherein: the bottom ring plate (14) is provided with a connecting bulge (15) matched with the bending section (5), and the connecting bulge (15) is inserted into the bending section (5) adjacent to the bottom ring plate (14); and one end of the bottom ring plate (14) far away from the pile hole protecting wall is provided with a guide end (16) for facilitating the bottom ring plate (14) to enter a soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611428.4U CN211395667U (en) | 2019-09-25 | 2019-09-25 | Pile sinking pile casing connection protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611428.4U CN211395667U (en) | 2019-09-25 | 2019-09-25 | Pile sinking pile casing connection protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211395667U true CN211395667U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921611428.4U Active CN211395667U (en) | 2019-09-25 | 2019-09-25 | Pile sinking pile casing connection protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211395667U (en) |
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2019
- 2019-09-25 CN CN201921611428.4U patent/CN211395667U/en active Active
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Address after: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province Patentee after: Qingdao Construction Group Co.,Ltd. Patentee after: QINGJIAN GROUP Co.,Ltd. Address before: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province Patentee before: QINGJIAN GROUP Co.,Ltd. Patentee before: QINGJIAN GROUP Co.,Ltd. |