CN215168330U - Device for changing structural stress level and prestressed prefabricated floor slab - Google Patents
Device for changing structural stress level and prestressed prefabricated floor slab Download PDFInfo
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- CN215168330U CN215168330U CN202120974735.XU CN202120974735U CN215168330U CN 215168330 U CN215168330 U CN 215168330U CN 202120974735 U CN202120974735 U CN 202120974735U CN 215168330 U CN215168330 U CN 215168330U
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Abstract
The utility model discloses a device for changing structural stress level and a prestressed precast floor slab, which comprises a pipe fitting, a gusset plate, a connecting piece, a hemispherical node, an anchor plate, a reinforcing steel bar and a nut; one end of each pipe fitting is fixedly connected with the spherical surface of the hemispherical node, and the other end of each pipe fitting is fixedly connected with the node plate to form a tripod structure; the gusset plate is provided with a hole which is used for connecting with the structure through a connecting piece; the anchor plate is provided with a hole and is fixedly connected to the plane of the hemispherical node; the holes on the anchor plates on the two groups of tripod structures are positioned on the same straight line; two ends of the steel bar are sleeved with the threads, the two ends of the steel bar respectively penetrate through the openings in the anchor plates on the two groups of tripod structures, and the nuts are sleeved at the end parts of the steel bar and are arranged on the inner sides of the anchor plates. The utility model can actively apply stress to the structural member, is convenient to operate and is suitable for complex environment; the prestressed prefabricated floor slab can enable the prefabricated floor slab to form reverse deflection and can apply stress in sections.
Description
Technical Field
The utility model relates to a civil engineering technical field, in particular to civil engineering building structure technical field specifically indicates a device and prestressing force precast floor slab for changing structural stress level.
Background
At present, during the use of walls, beams, plates and columns in building engineering and other civil engineering, the deformation or stress of the structural components often does not meet the use requirements due to some factors, such as cracking of old house walls, overlarge deflection of floors or beams, most of the structural components are reinforced by adopting sticky steel or sticky fibers, and when the surface of a structure is complicated, the construction is often difficult to develop; and when the adhesive steel or the adhesive fiber is used, only the continuous framework can be reinforced, and the stress can not be applied across the component; or the structural members may be overstressed locally due to environmental changes such as foundation settlement or extreme weather, requiring stress relief or adjustment. For the flexural member, the upper concrete is compressed, the lower part is mainly pulled by the steel bar, and the lower concrete increases the self weight of the member. For the prestressing force, the prestressing force is applied together with the whole member at present, and different stress levels cannot be applied in sections.
Disclosure of Invention
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a device and prestressing force precast floor for changing structural stress level, this a device and prestressing force precast floor for changing structural stress level can stride the component and exert stress, and the construction is simple and convenient, can also segment and exert stress.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a device for changing the stress level of a structure comprises a pipe fitting, a node plate, a connecting piece, a hemispherical node, an anchor plate, a steel bar and a nut;
one ends of the three pipe fittings are fixedly connected with the spherical surface of the hemispherical node, and the other ends of the three pipe fittings are fixedly connected with the node plate to form a tripod structure;
the gusset plate is provided with a hole which is used for connecting with a structure through a connecting piece;
the anchor plate is provided with a hole and is fixedly connected to the plane of the hemispherical node;
the holes on the anchor plates on the two groups of tripod structures are positioned on the same straight line;
the two ends of the steel bar are sleeved with the threads, the two ends of the steel bar respectively penetrate through the holes in the anchor plates on the two groups of tripod structures, and the nuts are sleeved at the end parts of the steel bar and are arranged on the inner sides of the anchor plates.
As a further improved technical scheme of the utility model, the tripod structure adopts steel.
As the utility model discloses further modified technical scheme, three the one end of pipe fitting with the sphere of hemisphere node passes through welding mode fixed connection, and the other end passes through welding mode fixed connection with the gusset plate.
As the utility model discloses further modified technical scheme, the anchor slab adopts the rectangle anchor slab, the anchor slab is formed by four gusset plates welding that leave the entrance to a cave, the entrance to a cave size is greater than the reinforcing bar size and is less than the nut size.
As a further improved technical scheme of the utility model, the nut adopts hexagon nut.
As a further improved technical scheme of the utility model, the anchor slab passes through welding mode fixed connection on the plane of hemisphere node.
As a further improved technical scheme of the utility model, the connecting piece adopts the bolt.
In order to achieve the technical purpose, the utility model discloses another technical scheme who takes does:
the utility model provides a prestressed precast floor slab, is including being used for changing device and the precast floor slab of structural stress level for change the gusset plate in the device of structural stress level and pass through connecting piece fixed connection on precast floor slab, the connecting piece is reinforcing bar section and the hexagon nut of tip mantle fiber.
The utility model has the advantages that:
the utility model discloses a swivel nut treats the structural component initiative applied stress of applying stress, convenient to use, and adjustable. The utility model discloses rely on two tripod structural support to adapt to complicated component surface. The utility model discloses can install a plurality of tripod structures on structural component, according to actual conditions install the reinforcing bar between two anchor slabs that need apply stress, do not install the reinforcing bar between two anchor slabs that need not apply stress to the realization is striden the component and is applied stress. Because the tripod structure has a certain height, the stress of the steel bars does not need to be applied greatly to apply a certain reverse deflection to the structure. The utility model discloses can set up multiunit tripod structure and apply different stress levels respectively, the nut on two anchor slabs is rotatory tighter, and reinforcing bar between so two anchor slabs is applied stress to structural component bigger. The structural member is over stressed locally due to environmental changes such as foundation settlement or extreme weather, and can be stress relieved or adjusted by rotating the nut.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a usage state diagram of the present invention.
Detailed Description
The following further description of embodiments of the invention is made with reference to the accompanying drawings:
as shown in fig. 1, a device for changing stress level of a structure (also called a stress applying device) includes a pipe member 1, a gusset plate 2, a connecting member 3, a hemispherical node 4, an anchor plate 5, a reinforcing bar 6, and a nut 7.
One end of each pipe fitting 1 is fixedly connected with the spherical surface of the hemispherical node 4, and the other end of each pipe fitting is fixedly connected with the node plate 2, so that a tripod structure is formed.
The gusset plate 2 is provided with a hole for connection with a structural member to be stressed through a connector 3.
The anchor plate 5 is provided with a hole, and the anchor plate 5 is fixedly connected to the plane of the hemispherical joint 4.
The holes on the anchor plates 5 on the two groups of tripod structures are positioned on the same straight line.
The two ends of the steel bar 6 are sleeved with the threads, the two ends of the steel bar 6 penetrate through the holes in the anchor plates 5 on the two groups of tripod structures respectively, and the nut 7 is sleeved on the end portion of the steel bar 6 and is arranged on the inner side of the anchor plate 5.
In this embodiment, the tripod structure is made of steel.
In this embodiment, three the one end of pipe fitting 1 with the sphere of hemisphere node 4 passes through welding mode fixed connection, and the other end passes through welding mode fixed connection with gusset plate 2.
In this embodiment, the anchor plate 5 is a rectangular anchor plate, the anchor plate 5 is formed by welding four gusset plates with holes, and the size of each hole is larger than that of the steel bar 6 and smaller than that of the nut 7.
In this embodiment, the nut 7 is a hexagonal nut.
In this embodiment, the anchor plate 5 is fixedly connected to the plane of the hemispherical joint 4 by welding.
In this embodiment, the connecting member 3 is a bolt. The bolt can also be replaced by a steel bar section of the end part mantle fiber and a hexagon nut, the steel bar section of the end part mantle fiber is embedded in the prefabricated floor slab, the gusset plate 2 is installed, the hexagon nut is installed on the steel bar section to fix the gusset plate 2, the steel bar 6 is installed, the nut 7 is installed, and the stress is applied through a torque wrench to form the stress prefabricated floor slab. The stress prefabricated floor slab consists of a device for changing the structural stress level and the prefabricated floor slab, and the bolts in the device for changing the structural stress level are replaced by steel bar sections with end part mantle wires and hexagon nuts.
In the embodiment, the structural member to be stressed is actively stressed by rotating the nut 7, so that the use is convenient and the adjustment is realized. The present embodiment device relies on two tripod structural supports to accommodate complex component surfaces. The reinforcing bar 6 in the middle of this embodiment device is unsettled (i.e. remove reinforcing bar 6) can stride the component and exert stress, and a plurality of tripod structures are installed on structural component promptly, install reinforcing bar 6 between two anchor slabs 5 that need exert stress according to actual conditions, do not need to exert between two anchor slabs 5 of stress reinforcing bar 6 to the realization is striden the component and is exerted stress. Because the tripod structure has a certain height, the stress of the steel bars 6 does not need to be applied greatly to apply a certain reverse deflection to the structure. As shown in fig. 2, a plurality of sets of tripod structures can be provided to apply different stress levels, respectively, the more the nuts 7 on the two anchor plates 5 are rotated, the more the reinforcing bars 6 between the two anchor plates 5 apply stress to the structural member.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (8)
1. An apparatus for modifying the stress level of a structure, comprising: the pipe fitting comprises a pipe fitting (1), a joint plate (2), a connecting piece (3), a hemispherical joint (4), an anchor plate (5), a steel bar (6) and a nut (7);
one end of each pipe fitting (1) is fixedly connected with the spherical surface of the hemispherical node (4), and the other end of each pipe fitting is fixedly connected with the node plate (2) to form a tripod structure;
the gusset plate (2) is provided with a hole which is used for connecting with a structure through a connecting piece (3);
the anchor plate (5) is provided with a hole, and the anchor plate (5) is fixedly connected to the plane of the hemispherical node (4);
holes on the anchor plates (5) on the two groups of tripod structures are positioned on the same straight line;
the two ends of the steel bar (6) are sleeved with the threads, the two ends of the steel bar (6) penetrate through the two groups of holes in the anchor plate (5) on the tripod structure respectively, and the nut (7) is sleeved on the end portion of the steel bar (6) and is arranged on the inner side of the anchor plate (5).
2. An apparatus for modifying the stress level of a structure according to claim 1, wherein: the tripod structure is made of steel.
3. An apparatus for modifying the stress level of a structure according to claim 2, wherein: one end of each pipe fitting (1) is fixedly connected with the spherical surface of the hemispherical joint (4) in a welding mode, and the other end of each pipe fitting is fixedly connected with the joint plate (2) in a welding mode.
4. An apparatus for modifying the stress level of a structure according to claim 3, wherein: the anchor plate (5) is a rectangular anchor plate, the anchor plate (5) is formed by welding four gusset plates with holes, and the size of each hole is larger than that of the steel bar (6) and smaller than that of the nut (7).
5. An apparatus for modifying the stress level of a structure according to claim 4, wherein: the nut (7) is a hexagonal nut.
6. An apparatus for modifying the stress level of a structure according to claim 5, wherein: the anchor plate (5) is fixedly connected to the plane of the hemispherical joint (4) in a welding mode.
7. An apparatus for modifying the stress level of a structure according to claim 1, wherein: the connecting piece (3) adopts a bolt.
8. A prestressed precast floor slab characterized in that: the device for changing the structural stress level comprises the device for changing the structural stress level and the precast floor slab according to claim 1, wherein the gusset plate (2) in the device for changing the structural stress level is fixedly connected to the precast floor slab through a connecting piece (3), and the connecting piece (3) is a steel bar section with a threaded end and a hexagon nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974735.XU CN215168330U (en) | 2021-05-09 | 2021-05-09 | Device for changing structural stress level and prestressed prefabricated floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974735.XU CN215168330U (en) | 2021-05-09 | 2021-05-09 | Device for changing structural stress level and prestressed prefabricated floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215168330U true CN215168330U (en) | 2021-12-14 |
Family
ID=79367663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120974735.XU Active CN215168330U (en) | 2021-05-09 | 2021-05-09 | Device for changing structural stress level and prestressed prefabricated floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215168330U (en) |
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2021
- 2021-05-09 CN CN202120974735.XU patent/CN215168330U/en active Active
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