CN215593645U - Steel pipe pile reinforcing trestle - Google Patents
Steel pipe pile reinforcing trestle Download PDFInfo
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- CN215593645U CN215593645U CN202122141123.5U CN202122141123U CN215593645U CN 215593645 U CN215593645 U CN 215593645U CN 202122141123 U CN202122141123 U CN 202122141123U CN 215593645 U CN215593645 U CN 215593645U
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Abstract
The utility model discloses a steel pipe pile reinforced trestle, which comprises a plurality of supports and a bridge deck, wherein the supports are sequentially built, the bridge deck is laid on the supports, each support comprises two steel protective cylinders, the lower ends of the steel protective cylinders are fixed, the upper ends of the steel protective cylinders are connected with the bridge deck, the middle parts of the two steel protective cylinders are further connected with each other through a transverse welding reinforcing device, and the lower end of any one steel protective cylinder is further provided with a central rock breaking assembly. The steel pipe pile reinforced trestle provided by the utility model is adopted.
Description
Technical Field
The utility model relates to a reinforced trestle, in particular to a steel pipe pile reinforced trestle.
Background
In the bridge construction process, a steel trestle needs to be erected for assisting in communicating and conveying materials. The deck plate of steel trestle passes through the steel-pipe pile and supports as the stand, and the steel-pipe pile is squeezed into underground according to the design position in advance, for guaranteeing to support the strength steel-pipe pile. In the construction process of the Yuxiang high-speed energy expansion engineering five-river super large bridge steel trestle, the steel pipe pile is difficult to hammer in an exposed bedrock zone due to the fact that the construction environment has large relief and spans over the five-river water area and the stratum is provided with silt argillaceous rocks, sandstone and other oxygen layers, and the rock breaking effect is poor, and construction of the steel pipe pile of the trestle is not facilitated. In the later construction process, the situation that certain deviation exists in the erected steel trestle stand column installation, and meanwhile, the adopted connecting system channel steel is prefabricated in a factory mode and has certain error with the actual space size, so that connecting system nodes for connecting two steel trestles are not located at the same position, certain potential safety hazards exist, and further reinforcement is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a steel pipe pile reinforced trestle, which can perform secondary reinforcement on the steel trestle while improving the rock breaking effect.
The technical scheme is as follows:
a steel pipe pile reinforced trestle is characterized by comprising a plurality of supports which are sequentially built and a bridge deck which is laid on the supports, wherein a plurality of Bailey beams and a plurality of distribution beams are horizontally arranged between the bridge deck and the corresponding supports, the distribution beams correspond to the supports one by one, and two ends of each distribution beam are respectively arranged at the upper ends of two steel casing cylinders of the corresponding support in an overlapping manner;
the Bailey beams are perpendicular to the distribution beams, the Bailey beams are equidistantly mounted on all the distribution beams, the bridge deck is horizontally laid on all the Bailey beams, and side edges of the bridge deck are also vertically provided with guardrails along the length direction of the bridge deck;
the support includes that two steels protect a section of thick bamboo, the lower extreme that a steel protected a section of thick bamboo is fixed on the ground, the upper end and the decking of a steel protect a section of thick bamboo are connected, two the middle part that a steel protected a section of thick bamboo still is through horizontal welding reinforcing apparatus interconnect, all the lower extreme that a steel protected a section of thick bamboo all still is equipped with the broken rock subassembly in center.
The effect of adopting above scheme: be convenient for carry out the secondary welding at the on-the-spot horizontal welding reinforcing apparatus of utilization and consolidate to the trestle steel-pipe pile, ensure the enhancement effect to the steel-pipe pile stand, the broken rock subassembly in the center of steel casing lower extreme simultaneously improves the steel-pipe pile and at the broken rock degree of depth and the broken rock rate in high hardness rock area, provides the guarantee for in time setting up stable steel trestle, its simple structure, the convenient stability of installation.
All the upper ends of the steel casing are also provided with welding gaps, and two ends of the distribution beam are respectively overlapped in the corresponding welding gaps and welded.
The transverse welding reinforcing device comprises a transverse connecting rod and two primary reinforcing cylinders, the transverse connecting rod is horizontally arranged, the end parts of two ends of the transverse connecting rod are welded with the corresponding steel protecting cylinders, the primary reinforcing cylinders are respectively sleeved at the end parts of two ends of the transverse connecting rod, the primary reinforcing cylinders are welded with the steel protecting cylinders, and the primary reinforcing cylinders are welded with the transverse connecting rod;
the steel casing is provided with a first-stage reinforcing cylinder and a second-stage reinforcing cylinder, wherein the first-stage reinforcing cylinder is sleeved with the second-stage reinforcing cylinder, the second-stage reinforcing cylinder is welded with the steel casing, and the second-stage reinforcing cylinder is welded with the first-stage reinforcing cylinder.
The steel protects a section of thick bamboo with the horizontal pole is the circular steel tube, be equipped with annular one-level welding seam chamfer of round respectively between the both ends terminal surface of horizontal pole and its outer wall, the horizontal pole with the welding seam between the steel protects the section of thick bamboo is located in the one-level welding seam chamfer.
The inner wall of a section of thick bamboo is reinforceed to the one-level with the outer wall laminating of violently connecting the pole, be equipped with round annular second grade welding seam chamfer between the outer end terminal surface of a section of thick bamboo is reinforceed to the one-level and its outer wall, the outer end of a section of thick bamboo is reinforceed to the one-level with the welding seam between the steel protects the section of thick bamboo is located in the second grade welding seam chamfer, the inner terminal surface of a section of thick bamboo is reinforceed to the one-level with the outer wall welding of violently connecting the pole.
The inner wall of the second-level strengthening cylinder is attached to the outer wall of the first-level strengthening cylinder, the axial length of the second-level strengthening cylinder is shorter than that of the first-level strengthening cylinder, the outer end of the second-level strengthening cylinder is welded with the steel casing, and the inner end of the second-level strengthening cylinder is welded with the outer wall of the first-level strengthening cylinder.
The central rock breaking assembly comprises a plurality of retaining rib plates, the retaining rib plates are distributed in a radiating manner by using the center of the steel casing, the outer ends of the retaining rib plates are respectively fixed with the inner wall of the steel casing, the inner ends of all the retaining rib plates are connected with the same rock breaking cone, a plurality of rock breaking teeth are arranged on the outer wall of the rock breaking cone, and the lower end of the rock breaking cone extends out of the corresponding rock breaking cone.
The retaining rib plate is in a strip plate shape and is obliquely arranged, the upper end face of the retaining rib plate is fixedly welded with the inner wall of the steel casing, and the lower end face of the retaining rib plate is fixedly welded with the rock breaking cone.
The retaining rib plates comprise n high-position rib plates and n low-position rib plates, n is a natural number, the included angle between each high-position rib plate and the central line of the steel casing is theta 1, the included angle between each low-position rib plate and the central line of the steel casing is theta 2, theta 1 is larger than or equal to 30 degrees and smaller than or equal to 40 degrees, the high-position rib plates and the low-position rib plates are sequentially distributed in an annular interval mode, and the connecting positions of all the retaining rib plates and the rock breaking cone are located at the same horizontal height.
The rock breaking cone comprises a cuboid block and four regular pyramid blocks, the cuboid block is vertically arranged, the inner ends of the retaining rib plates are respectively connected with the upper part of the cuboid block, the lower part of the cuboid block extends downwards out of the lower port of the steel protective cylinder, the number of the retaining rib plates is four, n is 2, the inner ends of the four retaining rib plates are respectively welded and fixed with the four cuboid surfaces of the cuboid block, and the bottom surface of each regular pyramid block is fixedly connected with the lower end surface of the cuboid block;
the rock breaking teeth are fixed on the lower part of the rectangular block, and the four rectangular surfaces of the rectangular block are respectively provided with the rock breaking teeth;
the rock breaking teeth comprise small triangular pyramid blocks and large triangular pyramid blocks which are in one-to-one correspondence, wherein the small triangular pyramid blocks are located under the large triangular pyramid blocks, and the small triangular pyramid blocks and the large triangular pyramid blocks are regular triangular pyramids;
the bottom surface of the small triangular pyramid block is fixedly connected with the rectangular surface of the rectangular block, and any side edge of the small triangular pyramid block is arranged downwards;
the bottom surface of the large triangular pyramid block is fixedly connected with the rectangular surface of the rectangular block, and any side edge of the large triangular pyramid block is arranged downwards;
the inner wall of the steel casing is also provided with a plurality of outer rock breaking plates, all the outer rock breaking plates are circumferentially and uniformly distributed around the center line of the steel casing, and the outer rock breaking plates are positioned above the horizontal position of the rock breaking cone;
the outer side rock breaking plate corresponds to the retaining rib plates one by one, the outer side rock breaking plate is located under the retaining rib plates, the outer side edge of the outer side rock breaking plate is welded with the inner wall of the steel casing, and the upper edge of the outer side rock breaking plate is welded with the retaining rib plates.
Has the advantages that: the steel pipe pile reinforcing device is convenient for secondary welding reinforcement of a trestle steel pipe pile on site, ensures the reinforcing effect of a steel pipe pile upright column through the mutual matching of the transverse connecting rod, the primary reinforcing cylinder and the secondary reinforcing cylinder, has a simple structure, is convenient and stable to install, improves the rock breaking depth and the rock breaking speed of the steel pipe pile in a high-hardness rock zone by adopting a mode of matching central rock breaking and outer rock breaking for the central rock breaking component at the lower end of the steel casing, and provides guarantee for timely building a stable steel trestle.
Drawings
FIG. 1 is a schematic diagram of a first perspective of the present invention;
FIG. 2 is a schematic diagram of a second perspective of the present invention;
FIG. 3 is a schematic view of a steel casing a1 and a cross-bar 12 in a partial cross-sectional configuration;
FIG. 4 is an enlarged view of the portion m of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a cross-bar 12, a primary reinforcing cylinder 13, and a secondary reinforcing cylinder 14;
FIG. 6 is a schematic cross-sectional view of a first perspective of a central rock breaking assembly;
FIG. 7 is a schematic cross-sectional view of a second perspective of the central rock breaking assembly;
fig. 8 is a schematic view of the connection of the holding rib a2 to the steel casing a 1.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 to 8, a steel pipe pile reinforced trestle mainly comprises a plurality of sequentially built supports and a bridge deck 20 laid on the supports, wherein a plurality of bailey beams 21 and a plurality of distribution beams 22 are horizontally arranged between the bridge deck 20 and the corresponding supports, the distribution beams 22 correspond to the supports one by one, and two ends of each distribution beam 22 are respectively arranged at the upper ends of two steel casing a1 of the corresponding support;
the Bailey beams 21 are perpendicular to the distributing beams 22, the Bailey beams 21 are equidistantly mounted on all the distributing beams 22, the bridge deck 20 is horizontally laid on all the Bailey beams 21, and side edges of the bridge deck 20 are also vertically provided with guardrails along the length direction;
the support is arranged along the length direction of the bridge deck 20 and comprises two steel casing a1, and the upper end of the steel casing a1 is connected with the bridge deck 20;
two the middle part of steel casing a1 is still through horizontal welding reinforcing apparatus interconnect, all the lower extreme of steel casing a1 all still is equipped with the broken rock subassembly in center, the lower extreme of steel casing a1 is through the vertical embedding ground of the broken rock subassembly in center/riverbed/rock internal fixation.
Wherein:
welding gaps are further formed in the upper ends of all the steel casing a1, and two ends of the distribution beam 22 are respectively overlapped in the corresponding welding gaps and welded.
The transverse welding reinforcing device comprises a transverse connecting rod 12 and two primary reinforcing cylinders 13, wherein the transverse connecting rod 12 is horizontally arranged, the steel protecting cylinder a1 and the transverse connecting rod 12 are both spiral round steel tubes, the end parts of the two ends of the transverse connecting rod 12 are welded with the corresponding steel protecting cylinder a1, the primary reinforcing cylinders 13 are respectively sleeved at the end parts of the two ends of the transverse connecting rod 12, the primary reinforcing cylinders 13 are welded with the steel protecting cylinders a1, and the primary reinforcing cylinders 13 are welded with the transverse connecting rod 12;
a secondary reinforcing cylinder 14 is sleeved outside the primary reinforcing cylinder 13, the secondary reinforcing cylinder 14 is welded with the steel casing a1, and the secondary reinforcing cylinder 14 is welded with the primary reinforcing cylinder 13.
The steel protects a1 with the horizontal pole 12 is the circular steel tube, be equipped with annular one-level welding seam chamfer of a circle between the both ends terminal surface of horizontal pole 12 and its outer wall respectively, the horizontal pole 12 with the welding seam between the steel protects a1 is located in the one-level welding seam chamfer.
The inner wall of a section of thick bamboo 13 is reinforceed to the one-level with the outer wall laminating of horizontal pole 12, be equipped with annular second grade welding seam chamfer of round between the outer end terminal surface of a section of thick bamboo 13 is reinforceed to the one-level and its outer wall, the outer end of a section of thick bamboo 13 is reinforceed to the one-level with the welding seam between the steel protects a1 is located in the second grade welding seam chamfer, the inner terminal surface of a section of thick bamboo 13 is reinforceed to the one-level with the outer wall welding of horizontal pole 12.
The inner wall of the secondary reinforcing cylinder 14 is attached to the outer wall of the primary reinforcing cylinder 13, the axial length of the secondary reinforcing cylinder 14 is shorter than that of the primary reinforcing cylinder 13, the outer end of the secondary reinforcing cylinder 14 is welded with the steel casing a1, and the inner end of the secondary reinforcing cylinder 14 is welded with the outer wall of the primary reinforcing cylinder 13.
The two ends of the transverse connecting rod 12, the outer end of the primary reinforcing cylinder 13 and the outer end of the secondary reinforcing cylinder 14 are respectively cut according to the intersecting line of the transverse connecting rod and the steel casing a 1.
The primary reinforcing cylinder 13 comprises two arc-shaped primary reinforcing plates 131, and the two primary reinforcing plates 131 are mutually buckled and welded to form the primary reinforcing cylinder 13;
the secondary reinforcing cylinder 14 comprises two arc-shaped secondary reinforcing plates 141, and the two secondary reinforcing plates 141 are mutually buckled and welded to form the secondary reinforcing cylinder 14
The central rock breaking assembly comprises a plurality of retaining rib plates a2, the retaining rib plates a2 are distributed in a divergent manner in the center of the steel casing a1, the outer ends of the retaining rib plates a2 are fixed with the inner wall of the steel casing a1 respectively, the inner ends of all the retaining rib plates a2 are connected with a rock breaking cone a3, a plurality of rock breaking teeth a4 are arranged on the outer wall of the rock breaking cone a3, and the lower end of the rock breaking cone a3 extends out of the corresponding rock breaking teeth a 4.
The holding rib a2 is in the shape of a strip, the holding rib a2 is arranged obliquely, the upper end face of the holding rib a2 is welded and fixed to the inner wall of the steel casing a1, and the lower end face of the holding rib a2 is welded and fixed to the rock breaking cone a 3.
The width direction of the retaining rib a2 is parallel to the central line of the steel casing a1, the rock breaking cone a3 is positioned on the central line of the steel casing a1, the included angle between the retaining rib a2 and the central line of the steel casing a1 is theta, and theta is more than or equal to 30 degrees and less than or equal to 40 degrees
The retaining rib plate a2 comprises n high rib plates a21 and n low rib plates a22, n is a natural number, the included angle between the high rib plate a21 and the center line of the steel casing a1 is theta 1, the included angle between the low rib plate a22 and the center line of the steel casing a1 is theta 2, theta 1 is larger than or equal to 30 degrees and smaller than or equal to 40 degrees, the high rib plates a21 and the low rib plates a22 are sequentially distributed in an annular interval mode, and the connecting positions of all the retaining rib plates a2 and the rock breaking cone a3 are located at the same horizontal height.
The rock breaking cone a3 comprises a cuboid block a31 and a square pyramid block a32, wherein the cuboid block a31 is vertically arranged, the inner ends of the retaining ribs a2 are respectively connected with the upper part of the cuboid block a31, the lower part of the cuboid block a31 extends downwards out of the lower port of the steel protective cylinder a1, the number of the retaining ribs a2 is four, n is 2, the inner ends of the four retaining ribs a2 are respectively welded and fixed with the four rectangular surfaces of the cuboid block a31, and the bottom surface of the square pyramid block a32 is fixedly connected with the lower end surface of the cuboid block a 31;
the rock breaking teeth a4 are fixed on the lower part of the cuboid block a31, and the rock breaking teeth a4 are respectively arranged on the four rectangular faces of the cuboid block a 31.
The rock breaking teeth a4 comprise small triangular pyramid blocks a41 and large triangular pyramid blocks a42 which are in one-to-one correspondence, wherein the small triangular pyramid blocks a41 are located right below the large triangular pyramid blocks a42, and the small triangular pyramid blocks a41 and the large triangular pyramid blocks a42 are regular triangular pyramids;
the bottom surface of the small triangular pyramid block a41 is fixedly connected with the rectangular surface of the rectangular block a31, and any side edge of the small triangular pyramid block a41 faces downwards;
the bottom surface of the large triangular pyramid block a42 is fixedly connected to the rectangular surface of the rectangular parallelepiped block a31, and any one of the side edges of the large triangular pyramid block a42 faces downward.
The inner wall of the steel casing a1 is also provided with a plurality of outer rock breaking plates a5, all the outer rock breaking plates a5 surround the central line of the steel casing a1 is annularly and uniformly distributed, and the outer rock breaking plates a5 are located above the horizontal position of the rock breaking cone a 3.
The outer rock breaking plates a5 correspond to the retaining ribs a2 one by one, the outer rock breaking plates a5 are located right below the corresponding retaining ribs a2, the outer edges of the outer rock breaking plates a5 are welded to the inner wall of the steel casing a1, and the upper edges of the outer rock breaking plates a5 are welded to the retaining ribs a 2.
Example 2:
this embodiment differs from embodiment 1 only in that: the holding rib a2 is composed of two high-position ribs a21 and two low-position ribs a22, an included angle between the high-position rib a21 and the center line of the steel casing a1 is theta 1, an included angle between the low-position rib a22 and the center line of the steel casing a1 is theta 2, theta 1 is 30 degrees, theta 2 is 40 degrees, the high-position ribs a21 and the low-position ribs a22 are sequentially distributed circumferentially at intervals, and the connecting positions of all the holding ribs a2 and the rock breaking cone a3 are located at the same horizontal height.
Example 3:
this embodiment differs from embodiment 2 only in that: the inner wall of the steel casing a1 is further provided with a plurality of outer rock breaking plates a5, all the outer rock breaking plates a5 are circumferentially and uniformly distributed around the center line of the steel casing a1, and the outer rock breaking plates a5 are located above the horizontal position of the rock breaking cone a 3; the outer rock breaking plates a5 correspond to the retaining ribs a2 one by one, the outer rock breaking plates a5 are located right below the corresponding retaining ribs a2, the outer edges of the outer rock breaking plates a5 are welded to the inner wall of the steel casing a1, and the upper edges of the outer rock breaking plates a5 are welded to the retaining ribs a 2. The main body structure of the outer rock breaking plate a5 is the same as that of the rock breaking plate in Chinese patent 202010958913.
And (3) rock breaking effect testing: in the field construction process, various structures are tried to break the hard sandstone, the scheme of China CN212714906U is adopted for piling at first, the rock is difficult to break, and the steel casing is difficult to continue to dive when the rock penetration depth is about 2 m. When the scheme of the embodiments 1, 2 and 3 is adopted for hammering, due to the action of the rock breaking cone a3 at the center of the steel casing, the rock-entering depth and the rock-entering speed of the steel casing are improved, and the target rock-breaking depth (6-8m) can be basically or completely achieved. By adopting the technical scheme of the embodiment 2, the high-position rib plate a21 and the low-position rib plate a22 are staggered up and down, the low-position rib plate a22 breaks rock before the high-position rib plate a21, the rock is not obviously squeezed mutually after the rock breaks at the same horizontal position, and the rock breaking rate can be increased. By adopting the technical scheme of the embodiment 3, due to the addition of the outer rock breaking plate a5 which cooperates with the rock breaking cone a3, the rock breaking speed is obviously improved; meanwhile, the connection of the outer rock breaking plate a5 at the root of the holding rib a2 can provide a connection reinforcement.
Has the advantages that: the technical scheme of the utility model is suitable for piling operation in a rock zone with higher hardness, adopts a mode of matching the center rock breaking and the outer rock breaking, improves the rock breaking depth and the rock breaking speed of the steel pipe pile in the rock zone with high hardness, and provides guarantee for building a stable steel trestle in time.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a trestle is consolidated to steel-pipe pile which characterized in that: the steel pile support comprises a plurality of supports which are sequentially built and a bridge deck (20) laid on the supports, wherein a plurality of Bailey beams (21) and a plurality of distribution beams (22) are horizontally arranged between the bridge deck (20) and the corresponding supports, the distribution beams (22) correspond to the supports one by one, and two ends of each distribution beam (22) are respectively arranged at the upper ends of two steel pile casings (a1) of the corresponding support in an overlapping mode;
the Bailey beams (21) are perpendicular to the distribution beams (22), the Bailey beams (21) are equidistantly mounted on all the distribution beams (22), the bridge deck (20) is horizontally laid on all the Bailey beams (21), and side edges of the bridge deck (20) are vertically provided with guardrails along the length direction of the bridge deck;
the support includes that two steel protect a (a1), the lower extreme of a1 is fixed on the ground, the upper end and the decking (20) of a1 are connected to the steel protect an (a1) the middle part of a1 is still through horizontal welding reinforcing apparatus interconnect, all the lower extreme of a1 is all still equipped with the broken rock subassembly in center.
2. The steel pipe pile reinforcing trestle of claim 1, characterized in that: the upper ends of all the steel casing barrels (a1) are also provided with welding notches, and two ends of the distribution beam (22) are respectively overlapped in the corresponding welding notches and welded.
3. The steel pipe pile reinforcing trestle of claim 2, characterized in that: the transverse welding reinforcing device comprises a transverse connecting rod (12) and two primary reinforcing cylinders (13), wherein the transverse connecting rod (12) is horizontally arranged, the end parts of the two ends of the transverse connecting rod (12) are welded with the corresponding steel protecting cylinders (a1), the primary reinforcing cylinders (13) are respectively sleeved at the end parts of the two ends of the transverse connecting rod (12), the primary reinforcing cylinders (13) are welded with the steel protecting cylinders (a1), and the primary reinforcing cylinders (13) are welded with the transverse connecting rod (12);
a secondary reinforcing cylinder (14) is sleeved outside the primary reinforcing cylinder (13), the secondary reinforcing cylinder (14) is welded with the steel casing (a1), and the secondary reinforcing cylinder (14) is welded with the primary reinforcing cylinder (13).
4. The steel pipe pile reinforcing trestle of claim 3, characterized in that: the steel protects a section of thick bamboo (a1) with it is the circular steel tube to connect pole (12) violently, it is equipped with annular one-level welding seam chamfer of round respectively to connect between the both ends terminal surface of pole (12) violently and its outer wall, connect pole (12) violently with welding seam between the steel protects a1 is located in the one-level welding seam chamfer.
5. The steel pipe pile reinforcing trestle of claim 4, wherein: the inner wall of a section of thick bamboo (13) is reinforceed to the one-level with the outer wall laminating of violently connecting pole (12), be equipped with round annular second grade welding seam chamfer between the outer end terminal surface of a section of thick bamboo (13) is reinforceed to the one-level and the outer wall thereof, the outer end of a section of thick bamboo (13) is reinforceed to the one-level with welding seam between a steel hubcap (a1) is located in the second grade welding seam chamfer, the inner terminal surface of a section of thick bamboo (13) is reinforceed to the one-level with the outer wall welding of violently connecting pole (12).
6. The steel pipe pile reinforcing trestle of claim 5, wherein: the inner wall of a second grade reinforcement section of thick bamboo (14) with the outer wall laminating of a first grade reinforcement section of thick bamboo (13), the axial length of a second grade reinforcement section of thick bamboo (14) is than the axial length of a first grade reinforcement section of thick bamboo (13) is short, the outer end of a second grade reinforcement section of thick bamboo (14) with steel protects a1 welding, the inner of a second grade reinforcement section of thick bamboo (14) with the outer wall welding of a first grade reinforcement section of thick bamboo (13).
7. The steel pipe pile reinforcing trestle of claim 6, wherein: the central rock breaking assembly comprises a plurality of retaining rib plates (a2), the retaining rib plates (a2) are distributed in a divergent mode in the center of the steel casing (a1), the outer ends of the retaining rib plates (a2) are fixed to the inner wall of the steel casing (a1), the inner ends of all the retaining rib plates (a2) are connected with the same rock breaking cone (a3), a plurality of rock breaking teeth (a4) are arranged on the outer wall of the rock breaking cone (a3), and the lower end of the rock breaking cone (a3) extends out of the corresponding steel casing (a 1).
8. The steel pipe pile reinforcing trestle of claim 7, wherein: the retaining rib (a2) is in a strip shape, the retaining rib (a2) is obliquely arranged, the upper end face of the retaining rib (a2) is welded and fixed with the inner wall of the steel casing (a1), and the lower end face of the retaining rib (a2) is welded and fixed with the rock breaking cone (a 3).
9. The steel pipe pile reinforcing trestle of claim 8, wherein: the retaining rib plates (a2) comprise n high-position rib plates (a21) and n low-position rib plates (a22), n is a natural number, the included angle between the high-position rib plates (a21) and the center line of the steel casing (a1) is theta 1, the included angle between the low-position rib plates (a22) and the center line of the steel casing (a1) is theta 2, theta 1 is more than or equal to 30 degrees and less than or equal to theta 2 and less than or equal to 40 degrees, the high-position rib plates (a21) and the low-position rib plates (a22) are sequentially distributed annularly at intervals, and the connecting positions of all the retaining rib plates (a2) and the rock breaking cone (a3) are positioned at the same horizontal height;
the rock breaking cone (a3) comprises a cuboid block (a31) and a square pyramid block (a32), wherein the cuboid block (a31) is vertically arranged, the inner ends of the retaining ribs (a2) are respectively connected with the upper part of the cuboid block (a31), the lower part of the cuboid block (a31) downwards extends out of the lower port of the steel protective cylinder (a1), the number of the retaining ribs (a2) is four, n is 2, the inner ends of the four retaining ribs (a2) are respectively welded and fixed with the four rectangular surfaces of the cuboid block (a31), and the bottom surface of the square pyramid block (a32) is fixedly connected with the lower end surface of the cuboid block (a 31);
the rock breaking teeth (a4) are fixed at the lower part of the cuboid block (a31), and the rock breaking teeth (a4) are respectively arranged on four rectangular surfaces of the cuboid block (a 31).
10. The steel pipe pile reinforcing trestle of claim 9, wherein: the rock breaking tooth (a4) comprises a small triangular pyramid block (a41) and a large triangular pyramid block (a42) which correspond to each other one by one, wherein the small triangular pyramid block (a41) is located right below the large triangular pyramid block (a42), and the small triangular pyramid block (a41) and the large triangular pyramid block (a42) are both regular triangular pyramids;
the bottom surface of the small triangular pyramid block (a41) is fixedly connected with the rectangular surface of the rectangular block (a31), and any side edge of the small triangular pyramid block (a41) is arranged downwards;
the bottom surface of the large triangular pyramid block (a42) is fixedly connected with the rectangular surface of the rectangular block (a31), and any side edge of the large triangular pyramid block (a42) is arranged downwards;
the inner wall of the steel casing (a1) is further provided with a plurality of outer rock breaking plates (a5), all the outer rock breaking plates (a5) are circumferentially and uniformly distributed around the center line of the steel casing (a1), and the outer rock breaking plates (a5) are located above the horizontal position of the rock breaking cone (a 3);
the outer side rock breaking plates (a5) correspond to the retaining ribs (a2) in a one-to-one mode, the outer side rock breaking plates (a5) are located right below the corresponding retaining ribs (a2), the outer edges of the outer side rock breaking plates (a5) are welded to the inner wall of the steel protective cylinder (a1), and the upper edges of the outer side rock breaking plates (a5) are welded to the retaining ribs (a 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141123.5U CN215593645U (en) | 2021-09-07 | 2021-09-07 | Steel pipe pile reinforcing trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141123.5U CN215593645U (en) | 2021-09-07 | 2021-09-07 | Steel pipe pile reinforcing trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593645U true CN215593645U (en) | 2022-01-21 |
Family
ID=79884609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122141123.5U Active CN215593645U (en) | 2021-09-07 | 2021-09-07 | Steel pipe pile reinforcing trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593645U (en) |
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2021
- 2021-09-07 CN CN202122141123.5U patent/CN215593645U/en active Active
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