CN220079990U - Connection structure for on-site screw thread connection of steel concrete piles - Google Patents
Connection structure for on-site screw thread connection of steel concrete piles Download PDFInfo
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- CN220079990U CN220079990U CN202321484902.8U CN202321484902U CN220079990U CN 220079990 U CN220079990 U CN 220079990U CN 202321484902 U CN202321484902 U CN 202321484902U CN 220079990 U CN220079990 U CN 220079990U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 185
- 239000010959 steel Substances 0.000 title claims abstract description 185
- 239000004567 concrete Substances 0.000 title claims abstract description 43
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a connection structure for on-site screw thread connection of a steel concrete pile, which comprises an upper section steel concrete pile and a lower section steel concrete pile, wherein the upper end of the lower section steel concrete pile and the lower end of the upper section steel concrete pile are fixedly connected with a connection steel ring, and the connection structure also comprises an inner screw thread and an outer screw thread which are fixedly connected on the two connection steel rings respectively, and the inner screw thread is in screw thread connection with the outer screw thread; the outer screw thread comprises an outer steel ring and a plurality of outer round steels fixedly connected to the inner surface of the outer steel ring, and the outer round steels are distributed along the thread shape to form outer threads which are arranged intermittently; the inner screw thread comprises an inner steel ring and a plurality of inner round steels fixedly connected to the outer surface of the inner steel ring, the inner round steels are distributed along the thread shape to form inner threads which are discontinuously arranged, and the inner round steels and the outer round steels are arranged in a staggered mode along the circumferential direction; the utility model can meet the stress of pile foundation, reduce the cost and can be quickly constructed on site.
Description
Technical Field
The utility model relates to the field of foundation construction of pile foundations, in particular to the field of construction of prefabricated steel concrete piles matched with a power transmission line tower, and particularly relates to a connecting structure for screw thread connection on a steel concrete pile site.
Background
In the present stage, the pushed precast pile adopts factory production, and can replace cast-in-situ step foundation and cast-in-place pile foundation, thereby greatly shortening the construction period, reducing the field pollution and saving the land use area. However, due to the fact that the voltage levels of some lines are high, the lines are more in loops, the prefabricated pile used by the pole tower is large in depth, the stress requirements of pulling up and pressing down the pole tower cannot be met by means of single-section length, meanwhile, the single-section length is too long, transportation and construction are inconvenient, the number of pile sections is required to be increased, and the traditional pile sections are connected in a field welding and flange connection mode.
The on-site welding is large in diameter of the pile, the welding time is long, for example, the number of pile foundations of an iron tower is 4, the welding time of each pile section is 3 to 5 hours, meanwhile, the on-site welding is easy to deform components, working hours are wasted due to construction machinery such as a crane and an excavator and personnel, and the on-site welding is sometimes limited by factors such as line electricity consumption. The flange connection is quick and convenient to install, but because the diameter of the flange is larger than that of the pile section, the upward pulling and downward pressing forces of the pile body are influenced to a certain extent, and meanwhile, the cost of the connecting bolt is increased. The intermediate connection of pile sections in construction constitutes the biggest obstacle restricting the progress of construction periods.
Disclosure of Invention
The utility model provides a connecting structure for on-site threaded connection of a steel concrete pile, which aims at the defects of the prior art and can be used for on-site rapid construction, and the connection of pile segments is time-saving and labor-saving.
The utility model is realized by the following technical scheme that the steel ring type concrete pile comprises an upper section steel concrete pile and a lower section steel concrete pile, wherein the upper end of the lower section steel concrete pile and the lower end of the upper section steel concrete pile are fixedly connected with a connecting steel ring, and the steel ring type concrete pile further comprises an inner screw thread and an outer screw thread which are fixedly connected on the two connecting steel rings respectively, and the inner screw thread is in threaded connection with the outer screw thread; the outer screw thread comprises an outer steel ring and a plurality of outer round steels fixedly connected to the inner surface of the outer steel ring, and the outer round steels are distributed along the thread shape to form outer threads which are arranged intermittently; the inner screw thread comprises an inner steel ring and a plurality of inner round steels fixedly connected to the outer surface of the inner steel ring, the inner round steels are distributed along the thread shape to form inner threads which are discontinuously arranged, and the inner round steels and the outer round steels are arranged in a circumferential staggered fit mode.
According to the utility model, the round steel is arranged on the steel ring, so that the upper steel ring and the lower steel ring can be connected together like a screw bolt, the round steel is welded on the steel ring, and as a certain gap is reserved between the round steel and the steel ring, the welding area can be increased, the welding seam tends to be flat and full, and the welding strength is increased; the inner round steel and the outer round steel are arranged in a staggered fit, when the steel is installed on site, the inner steel ring can be directly rotated into the outer steel ring, the site connection is simple and convenient, and gaps exist between the adjacent round steels to facilitate the inner steel ring to be placed into the outer steel ring.
As optimization, the inner surface of the outer steel ring is fixedly connected with an inner ring plate, and the inner ring plate is positioned at one end of the outer steel ring far away from the inner steel ring. The setting of this optimizing scheme can play the effect of location support to interior screw thread.
As optimization, a plurality of inner retaining holes are formed in the inner steel ring, a plurality of outer retaining holes are formed in the outer steel ring, and the outer retaining holes are arranged opposite to the inner retaining holes. The setting of this optimization scheme for install the stopping round pin, conveniently fix interior steel ring and outer steel ring with the stopping round pin, prevent that the screw thread from sliding backward.
As optimization, the outer retaining holes are provided with a plurality of outer steel rings and are uniformly distributed along the circumference of the outer steel rings. The setting of this optimizing scheme can make the fixed more firm of interior steel ring and outer steel ring.
Preferably, the outer retaining hole is a long hole extending along the circumferential direction. The setting of this optimization scheme makes things convenient for the installation of stopping round pin.
The beneficial effects of the utility model are as follows: the pile foundation adopts the components of a whole that can function independently, adopts steel ring and round steel welding shaping, adopts traditional screw thread to connect and is used for the steel ring component to increase the stopping round pin, owing to connecting elements is few, adopts batch production processing, and the quality is guaranteed, and on-the-spot connection is simple and convenient, and is uncomplicated, can accomplish construction cycle in advance, from atress, cost and construction angle, can satisfy customer's demand completely, solves the difficult problem that the on-the-spot construction pile section of customer connects takes time and takes time, and the effectual messenger steel ring of stopping round pin connects into whole, and is more firm, prevents that the screw thread from moving back the silk.
Drawings
FIG. 1 is a schematic diagram of a connection structure according to the present utility model;
FIG. 2 is a view of the internal thread structure;
FIG. 3 is a view of the outer thread structure;
the figure shows:
1. the steel concrete pile comprises an upper section steel concrete pile, a lower section steel concrete pile, 3, inner threads, 31, inner steel rings, 32, inner round steel, 33, inner retaining holes, 4, outer threads, 41, outer steel rings, 42, outer round steel, 43, outer retaining holes, 44 and an inner ring plate.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The utility model relates to a connecting structure for on-site screw thread connection of a steel concrete pile, which is shown in figures 1-3, and comprises an upper section steel concrete pile and a lower section steel concrete pile, wherein connecting steel rings are fixedly connected to the upper end of the lower section steel concrete pile and the lower end of the upper section steel concrete pile, and the connecting structure also comprises an inner screw thread 3 and an outer screw thread 4 which are fixedly connected to the two connecting steel rings respectively, and the inner screw thread is in screw thread connection with the outer screw thread 4.
The outer screw thread is fixedly connected on the connecting steel ring of the lower section steel concrete pile, the outer screw thread 4 comprises an outer steel ring 41 and a plurality of outer round steels 42 fixedly connected on the inner surface of the outer steel ring 41, the outer round steels 42 are distributed along the thread shape to form intermittently arranged outer threads, the outer steel ring 41 is of an equal-diameter round shape, and the outer round steels 42 are round and are of the same radian as the outer steel ring 41.
The outer round steel 42 extends along the circumferential direction, the outer round steel 42 is welded intermittently around the outer steel ring 41, 4-6 sections are generally unequal, one end of the outer round steel 42 is higher than the other end, one end of the outer round steel is 30mm from the center to the top of the steel ring, the other end of the outer round steel is 20mm from the center to the top of the steel ring, so that outer screw threads which are arranged intermittently are formed, the screw pitch of the outer screw threads is 56mm, the screw thread layers are generally 2-4 layers unequal, the outer screw thread grooves are formed between the outer round steel 42 which are axially arranged and are determined according to the stress of the steel concrete pile, and the outer screw thread grooves meet the passing of the inner round steel 32 and the outer round steel 42 in an up-down staggered manner; the inner surface of the outer steel ring is fixedly connected with an inner ring plate 44, and the inner ring plate is positioned at one end of the outer steel ring 41 far away from the inner steel ring 31.
The inner screw thread is fixedly connected on the connecting steel ring of the upper section steel concrete pile, the inner screw thread 3 comprises an inner steel ring 31 and a plurality of inner round steels 32 fixedly connected on the outer surface of the inner steel ring 31, the inner round steels 32 are distributed along the shape of threads to form intermittent inner threads, the inner steel ring 31 is circular in equal diameter, the inner round steels 32 are circular, the radian is equal to that of the inner steel ring 31, the diameter of the inner steel ring 31 is smaller than that of the outer steel ring 41, a certain gap is reserved between the two connecting pieces of the inner steel ring 31 and the outer steel ring 41 through lofting or calculation, and a gap exists between adjacent round steels distributed along the circumferential direction, and the gap length is larger than that of the round steels.
The inner round steel 32 extends along the circumferential direction, the inner round steel 32 is welded intermittently around the inner steel ring 31, 4-6 sections are generally unequal, the number is equal to that of the outer round steel 42, one end of the inner round steel 32 is higher than that of the other end, one end of the inner round steel 32 is 30mm from the center of the inner round steel 32 to the top of the inner steel ring 31, the other end is 20mm from the center of the inner round steel 32 to the top of the inner steel ring 31, accordingly, inner threads which are arranged intermittently are formed, the pitch of the outer threads is 56mm, the thread layers are generally 2-4 layers unequal, inner thread grooves are formed between the axially arranged inner round steels 32 according to the stress of the steel concrete piles, and the inner round steels and the outer round steels 42 are arranged in a staggered fit.
Gaps exist between adjacent outer round steels 42 distributed along the circumferential direction, the gap length is larger than the length of the inner steel ring 31, gaps exist between adjacent inner round steels 32 distributed along the circumferential direction, and the gap length is larger than the length of the outer steel ring 41
The inner steel ring 31 is provided with an inner retaining hole 33, the outer steel ring is provided with an outer retaining hole 43, the outer retaining hole is arranged opposite to the inner retaining hole 33, the outer retaining hole 43 is provided with a plurality of retaining pins and uniformly distributed along the circumference of the outer steel ring, the outer retaining hole is a long hole extending along the circumference, and when an upper section and a lower section of reinforced concrete pile are connected on site, after the outer retaining hole is aligned with the inner retaining hole 33, an adaptive retaining pin can be installed for fixing.
In the use process of the embodiment, the upper section steel concrete pile and the lower section steel concrete pile are butted on site through screw threads, the lower section steel concrete pile foundation is driven into the ground firstly, then the upper section steel concrete pile and the lower section are aligned through a crane by manpower, meanwhile, the reserved gaps between the round steel 32 in the upper section steel concrete pile section and the outer steel ring 41 of the lower section steel concrete pile are aligned, after the steel pile falls to a certain position, the upper section of the steel concrete pile is rotated, the upper section and the lower section are connected quickly, the inner retaining holes 33 are aligned with the outer retaining holes 43, the mounting retaining pins are fixed firmly, the round steel of the upper pile section and the lower pile section are equivalent to screw threads, the crane is easy to install on site, after the pile section is installed and connected, the small gaps of the upper steel ring and the lower steel ring are filled with the grouting materials of C120 on site, the grouting materials of C120 have high strength and high fluidity and quick solidification, and the whole pile section filling gap strength requirement can be met after 40 minutes, so that the upper pile section and the lower pile section are connected into a whole.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (5)
1. The utility model provides a connection structure that steel concrete pile is on-spot with screw thread connection, includes upper segment steel concrete pile (1) and hypomere steel concrete pile (2), all fixedly connected with connection steel ring on hypomere steel concrete pile upper end and the upper segment steel concrete pile lower extreme, its characterized in that: the inner screw thread (3) and the outer screw thread (4) are respectively fixedly connected to the two connecting steel rings, and the inner screw thread is in threaded connection with the outer screw thread (4);
the outer screw thread comprises an outer steel ring (41) and a plurality of outer round steels (42) fixedly connected to the inner surface of the outer steel ring (41), and the outer round steels (42) are distributed along the thread shape to form outer threads which are arranged intermittently; the inner screw thread comprises an inner steel ring (31) and a plurality of inner round steels (32) fixedly connected to the outer surface of the inner steel ring (31), the inner round steels (32) are distributed in a thread shape to form inner threads which are arranged intermittently, and the inner round steels and the outer round steels (42) are arranged in a circumferential staggered fit mode.
2. The connection structure for on-site threaded connection of steel concrete piles according to claim 1, wherein: the inner surface of the outer steel ring is fixedly connected with an inner ring plate (44), and the inner ring plate is positioned at one end of the outer steel ring far away from the inner steel ring (31).
3. The connection structure for on-site threaded connection of steel concrete piles according to claim 1, wherein: an inner retaining hole (33) is formed in the inner steel ring, an outer retaining hole (43) is formed in the outer steel ring, and the outer retaining hole and the inner retaining hole (33) are arranged oppositely.
4. A connection structure for on-site threaded connection of reinforced concrete piles according to claim 3, wherein: the outer retaining holes (43) are provided with a plurality of outer steel rings and are uniformly distributed along the circumference of the outer steel rings.
5. The connection structure for on-site threaded connection of steel concrete piles according to claim 4, wherein: the outer retaining hole is a long hole extending along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484902.8U CN220079990U (en) | 2023-06-12 | 2023-06-12 | Connection structure for on-site screw thread connection of steel concrete piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484902.8U CN220079990U (en) | 2023-06-12 | 2023-06-12 | Connection structure for on-site screw thread connection of steel concrete piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220079990U true CN220079990U (en) | 2023-11-24 |
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ID=88818148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484902.8U Active CN220079990U (en) | 2023-06-12 | 2023-06-12 | Connection structure for on-site screw thread connection of steel concrete piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220079990U (en) |
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2023
- 2023-06-12 CN CN202321484902.8U patent/CN220079990U/en active Active
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