CN216448408U - Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector - Google Patents

Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector Download PDF

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CN216448408U
CN216448408U CN202220022891.0U CN202220022891U CN216448408U CN 216448408 U CN216448408 U CN 216448408U CN 202220022891 U CN202220022891 U CN 202220022891U CN 216448408 U CN216448408 U CN 216448408U
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pile
spiral
power generation
thermal power
connecting rod
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张应�
张涛
胡洪伟
潘永华
高鹏宇
王伟
侯怡鑫
熊海林
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Cssc Southwest Equipment Research Institute Co ltd
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Cssc Southwest Equipment Research Institute Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/40Solar thermal energy, e.g. solar towers
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Abstract

The utility model discloses an inclined combined spiral pile foundation of a groove type photo-thermal power generation heat collector, which comprises a spiral main pile, an inclined pile, a support and a connecting rod, wherein spiral blades are respectively arranged on the spiral main pile and the inclined pile; the upper end and the support fixed connection of spiral king pile, batter pile and connecting rod fixed connection, the welding of the upper portion of support has square pipe, square pipe cup joints the tip outside of connecting rod, square pipe and connecting rod fixed connection. The inclined combined spiral pile foundation of the trough type photo-thermal power generation heat collector has the advantages of convenience in installation, short construction period and high horizontal bearing capacity.

Description

Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector
Technical Field
The utility model relates to the technical field of solar photo-thermal power generation, in particular to an inclined combined spiral pile foundation of a groove type photo-thermal power generation heat collector.
Background
The solar photo-thermal power generation technology mainly comprises four types of groove type, tower type, disc type and reflective Fresnel, wherein the groove type photo-thermal power generation occupies more than 70% of the total amount of the photo-thermal power generation installation in the world, the technical maturity is acknowledged, and the solar photo-thermal power generation technology is a renewable energy technology with development prospect. The groove type photo-thermal power generation can effectively cope with the change of cloudy weather by means of the thermal inertia energy of the heat transfer medium, the temperature can be kept relatively stable in a heat circulation system, and the output high-quality electric power and the scale energy storage are popular to a power grid. However, due to high initial construction investment, natural environment constraint and the like, the method is not applied in China, technology needs to be continuously innovated in a targeted manner according to the national conditions, and the market competitiveness of the groove type photo-thermal power generation technology in renewable energy power generation in China can be effectively improved by reducing the construction cost.
The light field system composed of a plurality of heat collector loops is a main component of a trough type solar thermal power station, most of the existing heat collectors adopt cast-in-place bored piles as fixed pile foundations of the heat collectors, the common photo-thermal power station needs tens of thousands of pile foundations, and the cast-in-place bored piles have the defects of long construction period, high construction cost, difficult recovery and treatment and the like due to maintenance and other processes during construction. The spiral pile can be driven into the soil by using a special tool and directly used as a pile body, and has the advantages of quick and convenient construction, greatly shortened construction period, environmental protection, convenient migration and recovery and the like. However, if the bored pile is directly replaced by a single screw pile, the outer diameter of the screw pile is far smaller than the outer diameter of the bored pile under the same compression-resistant bearing capacity, the horizontal bearing capacity of the single screw pile cannot meet the requirement, and the problem that the horizontal bearing capacity of the single screw pile is not enough is solved by developing a combined screw pile so as to realize the popularization and application of the screw pile in the photo-thermal power generation.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve how to provide an installation convenient, construction cycle is short, and slot type solar-thermal power generation heat collector's that horizontal bearing capacity is high slope combination spiral pile foundation.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an inclined combined spiral pile foundation of a trough type photo-thermal power generation heat collector comprises a spiral main pile, an inclined pile, a support and a connecting rod, wherein spiral blades are respectively arranged on the spiral main pile and the inclined pile; the upper end and the support fixed connection of spiral king pile, batter pile and connecting rod fixed connection, the welding of the upper portion of support has square pipe, square pipe cup joints the tip outside of connecting rod, square pipe and connecting rod fixed connection.
Like this, when using, will throw into the fixed position of soil through professional equipment with the spiral king-pile earlier, throw into the fixed position of soil through professional equipment with the batter pile again, then with connecting rod and batter pile fixed connection, with support hoist and mount to approximate position, make the square pipe box on the support in the tip outside of connecting rod, adjust the position of support, make the lower extreme and the spiral king-pile fixed connection of support, with square pipe and connecting rod fixed connection at last, it is whole to form the built-up fitting, accomplish the installation of single slope combination spiral pile.
The spiral main pile is characterized in that a first connecting bolt is welded at the top of the spiral main pile, a first waist-shaped hole is formed in the lower portion of the support, and the first connecting bolt is connected with the first waist-shaped hole. Be provided with first waist type hole, be convenient for adjust the angle of support for the spiral king pile, be convenient for connect.
The square pipe is provided with a second waist-shaped hole, and the upper end of the connecting rod is fixedly connected with the square pipe through a second connecting bolt. Be provided with second waist type hole, be convenient for after support and spiral king pile are connected, according to present position, lock square pipe and connecting pipe.
The lower end of the connecting rod is provided with a third waist-shaped hole, and the inclined pile is connected with the connecting rod through a third connecting bolt. And a third waist-shaped hole is arranged, so that the inclined pile and the connecting rod can be conveniently and quickly connected.
The upper end fixed mounting of support has the mount pad, fixed mounting has two installation lugs on the mount pad. The photo-thermal power generation heat collector is convenient to install.
Wherein, a rib plate is fixedly arranged between the mounting seat and the bracket. The supporting strength is improved.
Wherein, fixedly connected with reinforcing plate between square pipe and the support. The connection strength is improved.
Wherein the diameter of the helical blade on the helical main pile is larger than that of the helical blade on the oblique pile. The helical blades of the helical main pile are large in diameter, are vertically installed in soil and mainly bear load in the vertical direction. The helical blades of the oblique pile are small in diameter and are obliquely arranged in the soil at an angle of 45 degrees, and the oblique pile mainly bears loads in the horizontal direction and the self direction.
In conclusion, the inclined combined spiral pile foundation of the trough type solar-thermal power generation heat collector has the following beneficial effects:
1. compared with the traditional cast-in-situ bored pile, when the cast-in-situ bored pile is installed, the processes of foundation digging, supporting, reinforcement binding, pouring, anchor bar embedding, maintenance, formwork removal, soil backfilling and the like are required, the inclined combined spiral pile is completely of a steel structure, and the spiral main pile and the inclined pile are directly driven into soil by using special equipment, so that the cast-in-situ bored pile has the advantages of convenience in installation, short construction period and the like;
2. the inclined combined spiral pile is formed by combining a spiral main pile and an inclined pile at an angle of 45 degrees, and compared with a single spiral pile, the horizontal bearing capacity of a pile foundation can be greatly improved;
the traditional drilling cast-in-place pile foundation for the photo-thermal power generation heat collector is troublesome in waste cement treatment, high in cost and difficult in vegetation recovery after the design life of a power plant is expired. And the slope combination screw pile of this application, after photo-thermal power generation field design life expires, because all metal mechanism, support and connecting rod can directly demolish recovery and recycle, and underground screw king pile and batter pile can realize recovering and recycling after back is twisted out through pile equipment is reverse, can also create certain economic value, more green.
Drawings
Fig. 1 is a schematic structural view of an inclined combined spiral pile foundation of a trough type solar-thermal power generation heat collector according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of a portion B in fig. 1.
Fig. 4 is a partially enlarged view of C in fig. 1.
Fig. 5 is an installation schematic diagram of a trough type solar-thermal power generation heat collector.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-4, an inclined combined spiral pile foundation of a trough type solar-thermal power generation heat collector comprises a spiral main pile 1, an inclined pile 2, a bracket 3 and a connecting rod 4, wherein spiral blades 5 are respectively arranged on the spiral main pile 1 and the inclined pile 2; the upper end and the support fixed connection of spiral king pile, batter pile and connecting rod fixed connection, the welding of the upper portion of support has square pipe 6, square pipe cup joints the tip outside of connecting rod, square pipe and connecting rod fixed connection.
Like this, when using, will throw into the fixed position of soil through professional equipment with the spiral king-pile earlier, throw into the fixed position of soil through professional equipment with the batter pile again, then with connecting rod and batter pile fixed connection, with support hoist and mount to approximate position, make the square pipe box on the support in the tip outside of connecting rod, adjust the position of support, make the lower extreme and the spiral king-pile fixed connection of support, with square pipe and connecting rod fixed connection at last, it is whole to form the built-up fitting, accomplish the installation of single slope combination spiral pile.
The top of the spiral main pile is welded with a first connecting bolt 7, a first waist-shaped hole 8 is formed in the lower portion of the support, and the first connecting bolt 7 is connected with the first waist-shaped hole 8. Be provided with first waist type hole, be convenient for adjust the angle of support for the spiral king pile, be convenient for connect.
Wherein, square pipe is just right to be seted up second waist type hole 9, the upper end and the square pipe of connecting rod pass through second connecting bolt 10 fixed connection. Be provided with second waist type hole, be convenient for after support and spiral king pile are connected, according to present position, lock square pipe and connecting pipe.
Wherein, the lower extreme of connecting rod is provided with third waist type hole 11, the batter pile passes through third connecting bolt (not drawn) with the connecting rod and is connected. And a third waist-shaped hole is arranged, so that the inclined pile and the connecting rod can be conveniently and quickly connected.
The upper end of the support is fixedly provided with a mounting seat 12, and the mounting seat is fixedly provided with two mounting lugs 13. The photo-thermal power generation heat collector is convenient to install.
Wherein, a rib plate 14 is fixedly arranged between the mounting seat and the bracket. The supporting strength is improved.
Wherein, fixedly connected with reinforcing plate 15 between square pipe and the support. The connection strength is improved.
Wherein the diameter of the helical blade on the helical main pile is larger than that of the helical blade on the oblique pile. The helical blades of the helical main pile are large in diameter, are vertically installed in soil and mainly bear load in the vertical direction. The helical blades of the batter pile are small in diameter, are obliquely arranged in soil at an angle of 45 degrees and mainly bear loads in the horizontal direction and the self direction.
In the construction process of a groove type photo-thermal power generation heat collector foundation, firstly installing the inclined combined spiral pile foundation, firstly driving a spiral main pile into a fixed position of soil through special equipment, then driving an inclined pile into the fixed position of the soil through the special equipment, then fixedly connecting a connecting rod with the inclined pile, hoisting a support to an approximate position, sleeving a square pipe on the support outside the end part of the connecting rod, adjusting the position of the support, fixedly connecting the lower end of the support with the spiral main pile, and finally fixedly connecting the square pipe with the connecting rod to form a combined whole body so as to finish the installation of a single inclined combined spiral pile;
after the inclined combined spiral piles 16 are installed in the soil 17 one by one, as shown in fig. 5, the heat collector 18 is hoisted to the combined spiral pile support, so that the heat collector construction can be completed, and the installation process is rapid.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (8)

1. The inclined combined spiral pile foundation of the groove type photo-thermal power generation heat collector is characterized by comprising a spiral main pile, an inclined pile, a support and a connecting rod, wherein spiral blades are respectively arranged on the spiral main pile and the inclined pile;
the upper end and the support fixed connection of spiral king pile, batter pile and connecting rod fixed connection, the welding of the upper portion of support has square pipe, square pipe cup joints the tip outside of connecting rod, square pipe and connecting rod fixed connection.
2. The inclined combined spiral pile foundation of the trough type solar-thermal power generation collector as claimed in claim 1, wherein a first connecting bolt is welded to the top of the spiral main pile, a first waist-shaped hole is formed below the support, and the first connecting bolt is connected with the first waist-shaped hole.
3. The inclined combined spiral pile foundation of the trough type solar-thermal power generation heat collector according to claim 1, wherein a second kidney-shaped hole is formed in the square pipe in a right-facing manner, and the upper end of the connecting rod is fixedly connected with the square pipe through a second connecting bolt.
4. The inclined combined spiral pile foundation of the trough type solar-thermal power generation collector according to claim 1, wherein a third kidney-shaped hole is formed in the lower end of the connecting rod, and the inclined pile is connected with the connecting rod through a third connecting bolt.
5. The inclined combined spiral pile foundation of the trough type solar-thermal power generation heat collector according to claim 1, wherein a mounting seat is fixedly mounted at the upper end of the support, and two mounting lugs are fixedly mounted on the mounting seat.
6. The inclined combined spiral pile foundation of the trough type solar-thermal power generation collector according to claim 5, wherein a rib plate is fixedly arranged between the mounting seat and the support.
7. The inclined combined spiral pile foundation of the trough type solar-thermal power generation collector according to claim 1, wherein a reinforcing plate is fixedly connected between the square tube and the support.
8. The inclined combined spiral pile foundation of a trough type solar-thermal power generation collector as claimed in claim 1, wherein the diameter of the spiral blade on the spiral main pile is larger than that of the spiral blade on the inclined pile.
CN202220022891.0U 2022-01-06 2022-01-06 Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector Active CN216448408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220022891.0U CN216448408U (en) 2022-01-06 2022-01-06 Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220022891.0U CN216448408U (en) 2022-01-06 2022-01-06 Inclined combined spiral pile foundation of trough type photo-thermal power generation heat collector

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CN216448408U true CN216448408U (en) 2022-05-06

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