CN211773833U - Transmission tower pile foundation - Google Patents
Transmission tower pile foundation Download PDFInfo
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- CN211773833U CN211773833U CN201922493047.7U CN201922493047U CN211773833U CN 211773833 U CN211773833 U CN 211773833U CN 201922493047 U CN201922493047 U CN 201922493047U CN 211773833 U CN211773833 U CN 211773833U
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- pile foundation
- strain detection
- protective cap
- angle steel
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Abstract
The embodiment of the utility model provides a transmission tower pile foundation, this transmission tower pile foundation includes: the steel bar reinforcement cage comprises angle steel, a steel bar cage, a high strain detection protective cap, an isolation layer and a foundation main column, wherein the high strain detection protective cap, the isolation layer and the foundation main column are sequentially arranged from top to bottom; the angle steel penetrates through the isolation layer, the upper end of the angle steel extends into the high strain detection protective cap, and the lower end of the angle steel extends into the foundation main column; the steel reinforcement cage is arranged in the high strain detection protective cap along the axial direction. The embodiment of the utility model provides an in transmission tower pile foundation include the high detection cap that meets an emergency, when carrying out the high detection cap that meets an emergency to this transmission tower pile foundation, the high detection cap that meets an emergency of weight hammering to this high detection cap that meets an emergency can protect basis king post and angle steel not damaged by hammering power, has reduced the damage on transmission tower pile foundation, thereby reduce cost.
Description
Technical Field
The utility model relates to a transmission line shaft tower basis field, in particular to transmission tower pile foundation.
Background
The transmission tower pile foundation is an important component of a transmission line, is the connection and transition between a tower and a foundation, and has the function of stably and smoothly transmitting the acting force of the tower on the foundation into the foundation so as not to cause the instability of the foundation. Before the power transmission tower pile foundation is used, the pile top of the power transmission tower pile foundation needs to be hammered by a heavy hammer to carry out high strain detection so as to judge whether the power transmission tower pile foundation meets the production quality requirement.
In the related art, a connecting piece is embedded in a foundation main column of a power transmission tower pile foundation and exposed out of the top of the foundation main column.
In the course of implementing the present invention, the inventors found that there are at least the following problems in the related art:
because the connecting piece exposes in the capital of basic king post, when carrying out high strain detection, cause the weight hammer to hammer the connecting piece easily, lead to the transmission tower stake basis to damage.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a transmission tower pile foundation can reduce transmission tower pile foundation's damage when high strain detection to reduce cost. The specific technical scheme is as follows:
the embodiment of the utility model provides a transmission tower pile foundation, transmission tower pile foundation includes: angle steel, a steel reinforcement cage, a high strain detection protective cap, an isolation layer and a foundation main column, wherein,
the high strain detection protective cap, the isolation layer and the basic main column are sequentially arranged from top to bottom;
the angle steel penetrates through the isolation layer, the upper end of the angle steel extends into the high strain detection protective cap, and the lower end of the angle steel extends into the foundation main column;
the steel reinforcement cage is arranged in the high strain detection protective cap along the axial direction.
Optionally, the power transmission tower pile foundation further includes: the steel bar mesh is of a disc-shaped structure consisting of a plurality of grids;
the reinforcing bar net piece sets up and is located in the high detection of strain protective cap and with the steel reinforcement cage offsets.
Optionally, the power transmission tower pile foundation further includes: an angle steel protective sleeve, the angle steel protective sleeve suit is in the upper end of angle steel, in order with the angle steel with high strain detection protective cap keeps apart.
Optionally, the reinforcement cage includes: many main muscle and many stirrups, many main muscle are followed the axial setting of high strain detection protective cap, many stirrups ring cover are in the outside of many main muscle.
Optionally, the plurality of stirrups are uniformly distributed at intervals in the axial direction of the high-strain detection protective cap.
Optionally, the angle steel includes: two side plates which are connected with a long edge in a vertical mode are arranged, and a plurality of connecting through holes are formed in the side plates.
Optionally, the foundation main column and the high-strain detection protective cap are respectively made of poured concrete.
Optionally, the isolation layer isolates the basic main pillar and the high-strain detection protective cap in the up-down direction.
Optionally, the isolation layer is made of a non-gel material.
Optionally, the high strain detection protective cap has the same shape as the cross section of the basic main column.
The embodiment of the utility model provides a technical scheme's beneficial effect includes at least:
the embodiment of the utility model provides a transmission tower pile foundation, this transmission tower pile foundation includes: the steel bar reinforcement cage comprises angle steel, a steel bar cage, a high strain detection protective cap, an isolation layer and a foundation main column, wherein the high strain detection protective cap, the isolation layer and the foundation main column are sequentially arranged from top to bottom; the angle steel penetrates through the isolation layer, the upper end of the angle steel extends into the high strain detection protective cap, and the lower end of the angle steel extends into the foundation main column; the steel reinforcement cage is arranged in the high strain detection protective cap along the axial direction. The embodiment of the utility model provides an in transmission tower pile foundation include the high detection cap that meets an emergency, when carrying out the high detection cap that meets an emergency to this transmission tower pile foundation, the high detection cap that meets an emergency of weight hammering to this high detection cap that meets an emergency can protect basis king post and angle steel not damaged by hammering power, has reduced the damage on transmission tower pile foundation, thereby reduce cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a power transmission tower pile foundation provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a power transmission tower pile foundation provided by an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a reinforcing mesh of a transmission tower pile foundation provided by an embodiment of the utility model.
The reference numerals denote:
1-angle steel, namely a steel angle,
11-connecting the through-hole with the connection hole,
2-a steel bar cage is arranged,
21-main reinforcement;
22-stirrup;
3-a high strain detection protective cap,
4-an isolating layer, wherein the isolating layer is formed by a plurality of layers,
5-a main column of the foundation,
6-a reinforcing steel bar net piece,
and 7, protecting the angle steel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a transmission tower pile foundation, include: the steel angle structure comprises angle steel 1, a steel reinforcement cage 2, a high strain detection protective cap 3, an isolation layer 4 and a foundation main column 5, wherein the high strain detection protective cap 3, the isolation layer 4 and the foundation main column 5 are sequentially arranged from top to bottom; the angle steel 1 penetrates through the isolation layer 4, the upper end of the angle steel 1 extends into the high strain detection protective cap 3, and the lower end of the angle steel 1 extends into the foundation main column 5; the steel reinforcement cage 2 is arranged in the high strain detection protective cap 3 along the axial direction.
Just below the embodiment of the utility model provides a theory of operation and effect of transmission tower pile foundation give the description:
the embodiment of the utility model provides a pair of steel pylons pile foundation can reduce the damage on single pile basis when high strain detection to reduce cost. When the high-strain detection device is used, high-strain detection is firstly carried out on the power transmission tower pile foundation, after the high-strain detection is completed, a plurality of main ribs are cut at the top of a foundation main column, then the high-strain detection protective cap and the isolation layer on the single pile foundation are detached from the single pile foundation, and finally the angle steel on the single pile foundation is connected with a tower foot of a tower, so that the installation of the single pile foundation is completed.
The embodiment of the utility model provides a transmission tower pile foundation, this transmission tower pile foundation includes: the steel bar reinforcement cage comprises angle steel, a steel bar cage, a high strain detection protective cap, an isolation layer and a foundation main column, wherein the high strain detection protective cap, the isolation layer and the foundation main column are sequentially arranged from top to bottom; the angle steel penetrates through the isolation layer, the upper end of the angle steel extends into the high strain detection protective cap, and the lower end of the angle steel extends into the foundation main column; the steel reinforcement cage sets up in high strain detection protective cap along the axial. The embodiment of the utility model provides an in transmission tower pile foundation include the high detection cap that meets an emergency, when carrying out the high detection cap that meets an emergency to this transmission tower pile foundation, the high detection cap that meets an emergency of weight hammering to this high detection cap that meets an emergency can protect basis king post and angle steel not damaged by hammering power, has reduced the damage on transmission tower pile foundation, thereby reduce cost.
In order to improve the strength of the high strain detection protective cap, as shown in fig. 3, the power transmission tower pile foundation may include: reinforcing bar net piece 6, reinforcing bar net piece 6 are for the discoid structure including a plurality of net, and reinforcing bar net piece 6 is located high strain detection protective cap 3 and offsets with steel reinforcement cage 2.
In order to keep apart angle steel 1 and high strain detection protective cap 3, this transmission of electricity tower pile foundation still includes: angle steel protective sheath 7, angle steel protective sheath 7 suit is in the upper end of angle steel 1.
In some embodiments of the present invention, the reinforcement cage 2 comprises: a plurality of main muscle 21 and a plurality of stirrup 22, a plurality of main muscle 21 set up along the axial of high strain detection protective cap 3, and a plurality of stirrup 22 ring cover is in the outside of a plurality of main muscle 21.
In order to fix the plurality of main reinforcements 21, prevent the main reinforcements 21 from deflecting outwards, and facilitate accurate arrangement of the main reinforcements 21 in the high-strain detection protective cap 3 during the pouring process, the plurality of stirrups 22 are uniformly distributed at intervals in the axial direction of the high-strain detection protective cap 3.
Wherein, the distance between two adjacent stirrups 22 can be 100mm-200 mm.
In order to connect the pile foundation of the power transmission tower with the tower, as shown in fig. 2, the angle iron 1 includes: two with the curb plate of long limit vertical connection, be provided with a plurality of connect the through-hole 11 on the curb plate.
In order to improve the strength of the foundation main column 5 and the high strain detection protective cap 3, the foundation main column 5 and the high strain detection protective cap 3 are respectively formed by pouring concrete.
In order to prevent the foundation main column 5 and the high strain detection protection cap 3 from being connected into a whole, the isolation layer 4 isolates the foundation main column 5 and the high strain detection protection cap 3 in the up-down direction, and the isolation layer 4 can be uniformly laid on the top of the foundation main column 5.
In some embodiments of the present invention, the material of the isolation layer 4 is a non-gel material, such as: the isolation layer 4 may be an isolation glue or a film.
In order to match the basic main column 5 with the high strain detection cap 3, the high strain detection protective cap 3 is the same shape as the basic main column 5 in cross section.
The shape of the basic main column 5 is various, and in some embodiments of the present invention, the cross-section of the basic main column 5 is circular or polygonal. For example: when the cross-section of the base main pillar 5 is circular, the high strain detection protective cap 3 should also be circular, and the diameter of the base main pillar 5 is equal to the diameter of the high strain detection protective cap 3.
The embodiment of the utility model provides a construction method that transmission tower stake basis can adopt following is under construction, specifically includes following step:
and measuring and positioning according to a construction drawing, digging a pit on the undisturbed soil manually or mechanically, and pouring concrete with a preset height into the formed pit body to form the foundation main column. In order to ensure that the strength of the foundation main column meets the design requirement, the preset height is larger than the elevation of the foundation main column, the height of the foundation main column is roughened to be smaller than the elevation of the foundation main column, then the angle steel is arranged at the preset position, concrete is poured to the elevation, an isolation layer is laid on the column top of the foundation main column, the angle steel penetrates through the isolation layer, an angle steel protective sleeve is inserted into the angle steel which exposes the column top of the foundation main column in an inverted mode, a pre-designed steel reinforcement cage and a steel reinforcement mesh are placed at the preset position, and pouring of a high-strain detection cap is carried out in the range of a sleeved mold above the isolation layer.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a transmission tower pile foundation which characterized in that, transmission tower pile foundation includes: angle steel (1), a reinforcement cage (2), a high strain detection protective cap (3), an isolation layer (4) and a foundation main column (5), wherein,
the high strain detection protective cap (3), the isolation layer (4) and the basic main column (5) are sequentially arranged from top to bottom;
the angle steel (1) penetrates through the isolation layer (4), the upper end of the angle steel (1) extends into the high-strain detection protective cap (3), and the lower end of the angle steel (1) extends into the foundation main column (5);
the steel reinforcement cage (2) is axially arranged in the high strain detection protective cap (3).
2. The pylon pile foundation of claim 1, further comprising: the steel bar mesh (6), the steel bar mesh (6) is a disc-shaped structure comprising a plurality of grids;
the steel bar mesh (6) is located in the high-strain detection protective cap (3) and abuts against the steel bar cage (2).
3. The pylon pile foundation of claim 1, further comprising: angle steel protective sheath (7), angle steel protective sheath (7) suit is in the upper end of angle steel (1), in order with angle steel (1) with high strain detection protective cap (3) are kept apart.
4. Transmission tower pile foundation according to claim 1, characterized in that said reinforcement cage (2) comprises: many main muscle (21) and many stirrups (22), many main muscle (21) are followed the axial setting of high strain detection protective cap (3), many stirrups (22) ring cover are in the outside of many main muscle (21).
5. The pylon pile foundation of claim 4, wherein the plurality of stirrups (22) are evenly spaced apart in the axial direction of the high strain detection protective cap (3).
6. The pylon pile foundation according to claim 1, characterized in that said angle steel (1) comprises: the two side plates are vertically connected through long edges, and a plurality of connecting through holes (11) are formed in the side plates.
7. The pylon pile foundation of claim 1, wherein the foundation king-post (5) and the high-strain detection protective cap (3) are each made of poured concrete.
8. The pylon pile foundation of claim 1, wherein the isolation layer (4) isolates the foundation main column (5) and the high strain detection protective cap (3) in a vertical direction.
9. The pylon pile foundation of claim 1, wherein the insulating layer (4) is made of a non-gel material.
10. The pylon pile foundation according to claim 1, wherein the high strain detection protective cap (3) is of the same shape as the cross-section of the foundation main column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493047.7U CN211773833U (en) | 2019-12-31 | 2019-12-31 | Transmission tower pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493047.7U CN211773833U (en) | 2019-12-31 | 2019-12-31 | Transmission tower pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211773833U true CN211773833U (en) | 2020-10-27 |
Family
ID=72890992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493047.7U Active CN211773833U (en) | 2019-12-31 | 2019-12-31 | Transmission tower pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211773833U (en) |
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2019
- 2019-12-31 CN CN201922493047.7U patent/CN211773833U/en active Active
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