CN219035767U - Protection structure for protecting prestressed steel cylinder reinforced concrete pipe jacking interface - Google Patents
Protection structure for protecting prestressed steel cylinder reinforced concrete pipe jacking interface Download PDFInfo
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- CN219035767U CN219035767U CN202320175015.6U CN202320175015U CN219035767U CN 219035767 U CN219035767 U CN 219035767U CN 202320175015 U CN202320175015 U CN 202320175015U CN 219035767 U CN219035767 U CN 219035767U
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Abstract
The utility model relates to the technical field of pipe jacking construction, and discloses a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface, which comprises a prestressed steel cylinder reinforced concrete pipe jacking and a U-shaped jacking iron used for jacking the prestressed steel cylinder reinforced concrete pipe jacking in a working pit, wherein a pipe orifice clamping ring used for protecting a pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking is detachably arranged between the prestressed steel cylinder reinforced concrete pipe jacking and the U-shaped jacking iron. According to the utility model, the pipe orifice clamping ring is used for protecting the pipe orifice of the prestressed steel cylinder reinforced concrete pipe, when the jack applies jacking stress to the U-shaped jacking iron, the U-shaped jacking iron can jack the prestressed steel cylinder reinforced concrete pipe through the pipe orifice clamping ring, and under the action of the pipe orifice clamping ring, the direct contact between the U-shaped jacking iron and the pipe orifice of the prestressed steel cylinder reinforced concrete pipe is avoided, so that the damage to the pipe orifice of the prestressed steel cylinder reinforced concrete pipe can be avoided.
Description
Technical Field
The utility model relates to the technical field of pipe jacking construction, in particular to a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface.
Background
The prestressed steel cylinder reinforced concrete pipe is a water pipe network for large water conveying engineering, tap water, industrial and agricultural irrigation systems between cross-regional water source areas, and is a product of a circulating water pipeline of a power plant. The composite pipe is composed of thin steel plates, high-strength steel wires and concrete, fully and comprehensively exerts the tensile and easy-sealing properties of steel and the compression and corrosion resistance properties of concrete, and has the characteristics of high sealing property, high strength and high impermeability.
In pipe jacking construction operations, a construction team often uses prestressed steel cylinder reinforced concrete pipe jacking.
Meanwhile, the pipe jacking construction is a method for jacking the pipeline into a specified track according to a designed gradient and carrying away earthwork by overcoming the friction force between the pipeline and surrounding soil by means of jacking force generated by jacking equipment in a working pit. And when the first section of pipeline is constructed, continuing the construction of the second section of pipeline.
The jacking iron plays a role in transferring and dispersing stress in the jacking system, the jacking system comprises jacks and guide rails, the power part is mainly the jacks, the jacks are arranged in a plurality, the jacks are sequentially arranged on the end face of one end of the jacking iron, and the pipeline is jacked under the action of the guide rails through the mutual matching of the jacks and the jacking iron.
For the top iron, a U-shaped top iron is usually adopted in the existing construction process, however, in the process of jacking the prestressed steel cylinder reinforced concrete top pipe, the prestressed steel cylinder reinforced concrete top pipe is possibly damaged on the contact surface with the U-shaped top iron due to the stress applied to the U-shaped top iron by the jack.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the protection structure comprises a prestressed steel cylinder reinforced concrete jacking pipe and a U-shaped jacking iron used for jacking the prestressed steel cylinder reinforced concrete jacking pipe in a working pit, wherein a pipe orifice clamping ring used for protecting a pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe is detachably arranged between the prestressed steel cylinder reinforced concrete jacking pipe and the U-shaped jacking iron, and the pipe orifice clamping ring is detachably connected with the U-shaped jacking iron;
a buffer piece is also arranged between the pipe orifice clamping ring and the U-shaped top iron;
wherein, the pipe orifice clamping ring is a rubber pipe orifice clamping ring.
As the preferable technical scheme, an inner annular groove is formed in the end face of one side of the pipe orifice clamping ring, facing the prestressed steel cylinder reinforced concrete jacking pipe, and the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe is inserted and installed in the inner annular groove.
As the preferable technical scheme, the shape and the size of the inner annular groove can be matched with the pipe orifice size of the prestressed steel cylinder reinforced concrete jacking pipe.
As the preferable technical scheme, an outer annular groove is formed in the end face of one side, facing towards the U-shaped top iron, of the pipe orifice clamping ring, and one end, facing towards the pipe orifice clamping ring, of the U-shaped top iron is inserted and installed in the outer annular groove.
As an optimal technical scheme, the shape and the size of the outer ring groove can be matched with the outline size of the U-shaped top iron end face.
As an optimal technical scheme, the buffer piece is a rubber gasket which is inserted and installed in the outer annular groove.
As a preferable technical scheme, the external dimension of the rubber gasket can be matched with the shape dimension of the outer annular groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the pipe orifice clamping ring is detachably arranged between the prestressed steel cylinder reinforced concrete jacking pipe and the U-shaped jacking iron, so that the pipe orifice clamping ring can be conveniently installed in use and removed in finishing.
2. According to the utility model, the pipe orifice clamping ring is arranged between the prestress steel cylinder reinforced concrete pipe and the U-shaped top iron and is used for protecting the pipe orifice of the prestress steel cylinder reinforced concrete pipe, when the jack applies jacking stress to the U-shaped top iron, the U-shaped top iron can jack the prestress steel cylinder reinforced concrete pipe through the pipe orifice clamping ring, and under the action of the pipe orifice clamping ring, the direct contact of the U-shaped top iron and the pipe orifice of the prestress steel cylinder reinforced concrete pipe is avoided, so that the damage to the pipe orifice of the prestress steel cylinder reinforced concrete pipe is avoided.
3. According to the utility model, under the action of the buffer piece, the impact force from the jacking of the U-shaped jacking iron, which is received by the pipe orifice clamping ring, can be reduced.
4. According to the utility model, the pipe orifice clamping rings can be suitable for not only U-shaped top irons, but also cylindrical top irons, the number of the cylindrical top irons is two, the two cylindrical top irons are symmetrically distributed at two ends of one side end face of the pipe orifice clamping rings, which is far away from the prestressed steel cylinder reinforced concrete pipe jacking, and under the action of the pipe orifice clamping rings, the protection of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking can be realized through the pipe orifice clamping rings, so that the damage of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking is avoided.
Drawings
Fig. 1 is a schematic three-dimensional structure of a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface according to the present utility model;
fig. 2 is an exploded schematic view of a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface according to the present utility model;
FIG. 3 is a schematic view of a three-dimensional structure of a rear view of a pipe orifice clamping ring in a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface;
fig. 4 is a schematic diagram of an explosion structure of a pipe orifice clamping ring and a rubber gasket in a protection structure for protecting a prestressed steel cylinder reinforced concrete pipe jacking interface.
In the figure: 1. prestressed steel cylinder reinforced concrete jacking pipe; 2. a U-shaped top iron; 3. a pipe orifice clamping ring; 31. an inner annular groove; 32. an outer annular groove; 4. and a rubber gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The prestressed steel cylinder reinforced concrete pipe is a water pipe network for large water conveying engineering, tap water, industrial and agricultural irrigation systems between cross-regional water source areas, and is a product of a circulating water pipeline of a power plant. The composite pipe is composed of thin steel plates, high-strength steel wires and concrete, fully and comprehensively exerts the tensile and easy-sealing properties of steel and the compression and corrosion resistance properties of concrete, and has the characteristics of high sealing property, high strength and high impermeability.
In pipe jacking construction operations, a construction team often uses prestressed steel cylinder reinforced concrete pipe jacking.
Meanwhile, the pipe jacking construction is a method for jacking the pipeline into a specified track according to a designed gradient and carrying away earthwork by overcoming the friction force between the pipeline and surrounding soil by means of jacking force generated by jacking equipment in a working pit. And when the first section of pipeline is constructed, continuing the construction of the second section of pipeline.
The jacking iron plays a role in transferring and dispersing stress in the jacking system, the jacking system comprises jacks and guide rails, the power part is mainly the jacks, the jacks are arranged in a plurality, the jacks are sequentially arranged on the end face of one end of the jacking iron, and the pipeline is jacked under the action of the guide rails through the mutual matching of the jacks and the jacking iron.
The inventor finds that, for the top iron, a U-shaped top iron is often adopted in the existing construction process, however, in the process of jacking the prestressed steel cylinder reinforced concrete top pipe, the U-shaped top iron may cause damage to the contact surface of the prestressed steel cylinder reinforced concrete top pipe and the U-shaped top iron due to the stress applied to the jack, so as to solve the technical problems:
referring to fig. 1-4, the present utility model provides a technical solution:
1-4, a protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface comprises a prestressed steel cylinder reinforced concrete jacking pipe 1 and a U-shaped jacking iron 2 for jacking the prestressed steel cylinder reinforced concrete jacking pipe 1 in a working pit, wherein a pipe orifice clamping ring 3 for protecting a pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1 is detachably arranged between the prestressed steel cylinder reinforced concrete jacking pipe 1 and the U-shaped jacking iron 2, and the pipe orifice clamping ring 3 is detachably connected with the U-shaped jacking iron 2;
wherein, still install the bolster between mouth of pipe joint ring 3 and the U top iron 2.
Wherein, the pipe orifice clamping ring 3 is a rubber pipe orifice clamping ring.
In this embodiment, the pipe orifice joint ring 3 is detachably installed between the prestressed steel cylinder reinforced concrete jacking pipe 1 and the U-shaped jacking iron 2, and can be conveniently installed in use and removed in finishing.
In this embodiment, the pipe orifice clamping ring 3 is installed between the prestressed steel cylinder reinforced concrete jacking pipe 1 and the U-shaped jacking iron 2, and is used for protecting the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1, when the jack applies jacking stress to the U-shaped jacking iron 2, the U-shaped jacking iron 2 can jack the prestressed steel cylinder reinforced concrete jacking pipe 1 through the pipe orifice clamping ring 3, and under the action of the pipe orifice clamping ring 3, the direct contact of the U-shaped jacking iron 2 and the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1 is avoided, so that the damage of the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1 can be avoided;
in the embodiment, under the action of the buffer piece, the impact force from the jacking of the U-shaped jacking iron 2 received by the pipe orifice clamping ring 3 can be reduced;
meanwhile, the pipe orifice clamping ring 3 not only can adapt to the U-shaped top iron 2, but also can adapt to the cylindrical top iron, the cylindrical top iron is arranged to be two, and is symmetrically distributed at two ends of one side end face of the pipe orifice clamping ring 3 away from the prestressed steel cylinder reinforced concrete pipe jacking 1, and under the action of the pipe orifice clamping ring 3, the protection of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking 1 can be realized through the pipe orifice clamping ring 3, so that the damage of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking 1 is avoided.
Example two
As shown in fig. 1 to 4, the improvement is based on the first embodiment:
further, an inner annular groove 31 is formed in the end face of one side, facing the prestressed steel cylinder reinforced concrete jacking pipe 1, of the pipe orifice clamping ring 3, and the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1 is inserted and installed in the inner annular groove 31.
In this embodiment, the inner annular groove 31 can be conveniently matched with the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1, so as to realize the installation of the prestressed steel cylinder reinforced concrete jacking pipe 1 and the pipe orifice clamping ring 3.
Further, the shape and size of the inner annular groove 31 can be matched with the pipe orifice size of the prestressed steel cylinder reinforced concrete jacking pipe 1.
In this embodiment, it is thereby possible to facilitate the insertion of the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe 1 into the inner annular groove 31.
Further, an outer annular groove 32 is formed in the end face, facing the U-shaped top iron 2, of the pipe orifice clamping ring 3, and one end, facing the pipe orifice clamping ring 3, of the U-shaped top iron 2 is inserted and installed in the outer annular groove 32.
In this embodiment, the U-shaped top iron 2 and the nozzle clamping ring 3 can be conveniently matched, and the installation of the U-shaped top iron 2 and the nozzle clamping ring 3 is realized.
Further, the outer annular groove 32 can be matched with the outer dimension of the end face of the U-shaped top iron 2.
In the present embodiment, it is thereby possible to facilitate insertion of the U-shaped top iron 2 into the outer annular groove 32.
Further, the buffer member is a rubber gasket 4, and the rubber gasket 4 is inserted and installed in the outer annular groove 32.
In the present embodiment, the rubber grommet 4 can realize the cushioning effect of the cushioning member.
Further, the outer dimensions of the rubber gasket 4 can be matched to the shape and dimensions of the outer annular groove 32.
In the present embodiment, the rubber grommet 4 can be easily installed in the outer annular groove 32.
In summary, the working procedure of the utility model: the pipe orifice clamping ring 3 is detachably arranged between the prestressed steel cylinder reinforced concrete jacking pipe 1 and the U-shaped jacking iron 2, so that the pipe orifice clamping ring can be conveniently installed in use and detached in finishing;
the pipe orifice clamping ring 3 is arranged between the prestress steel cylinder reinforced concrete jacking pipe 1 and the U-shaped jacking iron 2 and is used for protecting the pipe orifice of the prestress steel cylinder reinforced concrete jacking pipe 1, when jacking stress is applied to the U-shaped jacking iron 2 by the jack, the prestress steel cylinder reinforced concrete jacking pipe 1 can be jacked by the U-shaped jacking iron 2 through the pipe orifice clamping ring 3, and under the action of the pipe orifice clamping ring 3, the direct contact of the U-shaped jacking iron 2 and the pipe orifice of the prestress steel cylinder reinforced concrete jacking pipe 1 is avoided, so that the damage of the pipe orifice of the prestress steel cylinder reinforced concrete jacking pipe 1 can be avoided;
under the action of the buffer piece, the impact force from the jacking of the U-shaped jacking iron 2 received by the pipe orifice clamping ring 3 can be reduced;
the pipe orifice clamping ring 3 not only can adapt to the U-shaped top iron 2, but also can adapt to the cylindrical top iron, the cylindrical top iron is arranged in two and symmetrically distributed at two ends of one side end face of the pipe orifice clamping ring 3 far away from the prestressed steel cylinder reinforced concrete pipe jacking 1, and under the action of the pipe orifice clamping ring 3, the protection of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking 1 can be realized through the pipe orifice clamping ring 3, so that the damage of the pipe orifice of the prestressed steel cylinder reinforced concrete pipe jacking 1 is avoided;
the rubber gasket 4 can realize the cushioning effect of the cushioning member.
The above-mentioned different embodiments can be mutually combined, replaced and matched for use.
None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a protection architecture for protecting prestressing force steel cylinder reinforced concrete push pipe interface, includes prestressing force steel cylinder reinforced concrete push pipe (1) and is used for carrying out U type top iron (2) that jack-in with prestressing force steel cylinder reinforced concrete push pipe (1) in the working pit, its characterized in that: a pipe orifice clamping ring (3) for protecting the pipe orifice of the prestressed steel cylinder reinforced concrete jacking pipe (1) is detachably arranged between the prestressed steel cylinder reinforced concrete jacking pipe (1) and the U-shaped jacking iron (2), and the pipe orifice clamping ring (3) is detachably connected with the U-shaped jacking iron (2);
a buffer piece is further arranged between the pipe orifice clamping ring (3) and the U-shaped top iron (2);
wherein, the pipe orifice clamping ring (3) is a rubber pipe orifice clamping ring.
2. The protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 1, wherein: an inner annular groove (31) is formed in the end face, facing to one side of the prestress steel cylinder reinforced concrete jacking pipe (1), of the pipe orifice clamping ring (3), and the pipe orifice of the prestress steel cylinder reinforced concrete jacking pipe (1) is inserted and installed in the inner annular groove (31).
3. The protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 2, wherein: the shape and the size of the inner annular groove (31) can be matched with the pipe orifice size of the prestressed steel cylinder reinforced concrete jacking pipe (1).
4. A protective structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 3, wherein: an outer annular groove (32) is formed in the end face, facing towards the U-shaped top iron (2), of the pipe orifice clamping ring (3), and one end, facing towards the pipe orifice clamping ring (3), of the U-shaped top iron (2) is installed in the outer annular groove (32) in a plugging mode.
5. The protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 4, wherein: the shape and the size of the outer ring groove (32) can be matched with the shape and the size of the end face of the U-shaped top iron (2).
6. The protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 4, wherein: the buffer piece is a rubber gasket (4), and the rubber gasket (4) is inserted and installed in the outer annular groove (32).
7. The protection structure for protecting a prestressed steel cylinder reinforced concrete jacking pipe interface according to claim 6, wherein: the external dimension of the rubber gasket (4) can be matched with the shape dimension of the outer annular groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175015.6U CN219035767U (en) | 2023-02-10 | 2023-02-10 | Protection structure for protecting prestressed steel cylinder reinforced concrete pipe jacking interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175015.6U CN219035767U (en) | 2023-02-10 | 2023-02-10 | Protection structure for protecting prestressed steel cylinder reinforced concrete pipe jacking interface |
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| Publication Number | Publication Date |
|---|---|
| CN219035767U true CN219035767U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320175015.6U Active CN219035767U (en) | 2023-02-10 | 2023-02-10 | Protection structure for protecting prestressed steel cylinder reinforced concrete pipe jacking interface |
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| CN (1) | CN219035767U (en) |
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- 2023-02-10 CN CN202320175015.6U patent/CN219035767U/en active Active
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