Combined heliostat supporting device

Abstract

The utility model provides a combined heliostat supporting device which comprises spiral steel pipe piles, flange plates and stand columns, at least two spiral steel pipe piles are used for being screwed into the ground of a target area where heliostats are to be installed to be fixed, and the multiple spiral steel pipe piles are distributed in an array mode; the flange plate is fixedly connected to the top ends of the multiple spiral steel pipe piles. The stand column is fixedly installed on the top face of the flange plate. An underground supporting foundation of the heliostat supporting device adopts a plurality of spiral steel pipe piles which are distributed in an array mode, holes do not need to be formed in advance during construction, the spiral steel pipe piles are directly screwed into the ground through a spiral pile machine according to the angle and depth required by design, and due to the fact that the spiral steel pipe piles are provided with spiral blades and are tightly combined with soil around the piles, the construction efficiency is greatly improved. According to the combined spiral steel pipe pile, the rigidity and the compression resistance and pulling resistance of an underground foundation can be improved, and concrete does not need to be poured after construction. The stand columns can be steel pipe piles or concrete pipe piles. The method has the advantages of being simple in construction process, high in construction efficiency, low in cost and capable of greatly shortening the construction period.

Description

TECHNICAL FIELD

[0001] The utility model relates to heliostat technical field, concretely relates to a combined heliostat support device. BACKGROUND

[0002] Solar energy as a kind of clean, renewable new energy, in production and life get more and more extensive application. In the field of solar power generation, tower type light collecting and heat collecting technology system with its high thermal efficiency and better grid peak shaving capability, with clean green property, also has the ability of active, reactive power regulation and inertia support, get more and more extensive market application. In tower type light collecting and heat collecting system, light collecting mirror field is formed by a large number of heliostat according to certain rule, heliostat includes reflector, mirror frame and support column, reflector and mirror frame are supported by support column, heliostat equipment is installed in the field, prone to torsion or sway due to wind force, therefore, the cost and construction form of heliostat support column greatly influence the whole project.

[0003] The heliostat support column in prior art usually adopts the following two schemes: ① the combination form of cast-in-place pile in underground part and steel pipe pile in ground part;② preformed hole implantation of high-strength prestressed pipe pile or steel pipe pile and then pouring of concrete grouting material. However, the former is more cumbersome to make reinforcing cage, and the underground part needs to be pre-buried anchor bolt after construction and then install steel pipe column;the latter needs to preform hole, and needs 28 days curing period after pouring concrete, so that subsequent installation work can be carried out, both schemes are time-consuming and high in cost. When the geology is soft soil, it is necessary to increase the buried depth to reach the design stiffness to meet the use requirements, which is high in construction difficulty, and the precision control is difficult to meet the design requirements. UTILITY MODEL CONTENTS

[0004] To solve the problems mentioned in the background art, the utility model provides a novel heliostat support device, which changes the form of using concrete pipe pile or concrete cast-in-place pile in the underground part of the current support column foundation, adopts a plurality of spiral steel pipe piles that can be directly rotated into the ground as underground foundation, has the advantages of simple construction technology, high construction efficiency, low cost and great shortening of construction period.

[0005] The utility model adopts the following technical scheme: a combined heliostat support device, comprising spiral steel pipe piles, flange plates and columns, at least two spiral steel pipe piles are used to be rotated into the ground of target area where heliostat is to be installed for fixation, and a plurality of spiral steel pipe piles are distributed in array;The flange plate is fixedly connected to the top end of the plurality of spiral steel pipe piles, and the column is fixedly installed on the top surface of the flange plate.

[0006] Further, the at least two spiral steel pipe piles are vertically arranged or arranged at a preset angle relative to the axis of the flange plate.

[0007] Further, the spiral steel pipe pile is a layered blade type spiral steel pipe pile or a continuous blade type spiral steel pipe pile, which comprises a central steel shaft and spiral blades fixed to at least a part of the outer side of the central steel shaft; the central steel shaft has a closed steel tip.

[0008] Further, the column comprises a column body, a column foot bottom plate and a column head top plate, the column body is a solid web structure or a lattice structure, and the column foot bottom plate and the column head top plate are respectively fixedly installed at the bottom end and the top end of the column body.

[0009] A plurality of first mounting holes and second mounting holes are respectively arranged in an array at the corresponding positions of the flange plate and the column foot bottom plate, and the first mounting holes and the second mounting holes are used for bolt connection and installation of the flange plate and the column foot bottom plate; a plurality of third mounting holes are arranged in an array on the column head top plate, and the third mounting holes are used for bolt connection and installation of the heliostat frame.

[0010] Further, the column body is a steel pipe pile or a concrete pipe pile.

[0011] Further, the column further comprises a plurality of rib plates fixedly installed at the outer side of both ends of the column body, the rib plates are arranged in parallel with the length direction of the column body, the rib plates at the same end are arranged in an array, a plurality of rib plates at the top end of the column body are fixedly supported between the column head top plate and the column body, and a plurality of rib plates at the bottom end of the column body are fixedly supported between the column foot bottom plate and the column body.

[0012] Further, the number of the second mounting holes is consistent with the number of the rib plates at the bottom end of the column body, and one second mounting hole is arranged between adjacent rib plates.

[0013] Further, the number of the third mounting holes is consistent with the number of the rib plates at the top end of the column body, and one third mounting hole is arranged between adjacent rib plates.

[0014] Further, the heliostat support device further comprises a bearing platform configured outside a plurality of the spiral steel pipe piles, the plurality of spiral steel pipe piles pass through the middle area of the bearing platform, and the flange plate is above the bearing platform or at least partially embedded in the bearing platform.

[0015] Further, the thickness of the bearing platform is 300-400 mm.

[0016] The underground support foundation of the heliostat support device in the patent adopts at least two arrayed spiral steel pipe piles, which are directly rotated into the ground according to the designed angle and depth by a spiral pile machine without pre-punching, and the spiral steel pipe piles are combined with the surrounding soil tightly due to the spiral blades, so that the rigidity, compression resistance and uplift resistance of the underground foundation are improved, and no concrete needs to be poured after construction. Meanwhile, a pile cap can be constructed outside the multiple spiral steel pipe piles to make the underground support foundation more stable. The column can be selected from a steel pipe pile or a concrete pipe pile. The heliostat support device has the advantages of simple construction process, high construction efficiency, low cost and greatly shortened construction period. BRIEF DESCRIPTION OF DRAWINGS

[0017] FIG. 1 is a structural schematic diagram of a heliostat support device in the utility model. Figure 1

[0018] FIG. 2 is a connection structure schematic diagram of multiple spiral steel pipe piles 1 and flange plates 2 in the utility model. Figure 2

[0019] FIG. 3 is a structural schematic diagram of a spiral steel pipe pile 1 in the utility model. Figure 3

[0020] FIG. 4 is a structural schematic diagram of a column 3 in the utility model. Figure 4

[0021] FIG. 5 is an installation schematic diagram of a heliostat support device in the utility model. Figure 5 Figure 1

[0022] FIG. 6 is an installation schematic diagram of a heliostat support device in the utility model. Figure 6 Figure 2

[0023] The reference signs are explained as follows: spiral steel pipe pile 1, center steel shaft 11, spiral blade 12, flange plate 2, first mounting hole 21, column 3, column main body 31, column foot bottom plate 32, second mounting hole 321, column head top plate 33, third mounting hole 331, rib plate 34, pile cap 4. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor, and the utility model content will be further explained in combination with the drawings as follows:

[0025] Embodiment 1 ​​​​​​​​

[0026] With reference to the drawings Figure 1 , 5 A combined helical pipe pile support device for heliostat, comprising three helical pipe piles 1, a flange plate 2 and a column 3.

[0027] With reference to the drawings Figure 3 The helical pipe pile 1 is a layered blade type helical pipe pile, comprising a central steel shaft 11 and two helical blades 12 fixed to the bottom outside of the central steel shaft 11, the two helical blades 12 are arranged at a distance, the central steel shaft 11 can be hollow or solid, and the bottom end of the central steel shaft 11 has a closed steel tip.

[0028] Naturally, in the embodiment, the helical blades 12 on the layered blade type helical pipe pile can also be arranged only one or more than two; at the same time, the helical pipe pile 1 can also be selected as a continuous blade type helical pipe pile, that is, the outside of the part of the central steel shaft 11 is provided with continuous helical blades 12, which can be selected according to the soil quality or soil layer distribution of the target area.

[0029] With reference to the drawings Figure 2 In the embodiment, three helical pipe piles 1 are used as underground support foundation, the helical pipe pile 1 can be directly rotated into the ground by means of a rotary excavator, after the three helical pipe piles 1 are rotated into the ground, the helical blades 12 are tightly combined with the soil around the pile, and the anti-pulling and pressure bearing capacity of the helical pipe pile 1 is enhanced; the top end of the helical pipe pile 1 is exposed to the ground, and the distance from the ground is about 200mm, on the one hand, it is convenient to weld the flange plate 2 at the top end of the three helical pipe piles 1, on the other hand, it is convenient to install bolts in the first mounting hole 21 and the second mounting hole 321.

[0030] In one embodiment of the embodiment, the three helical pipe piles 1 are arranged in a circumferential array, and the three helical pipe piles 1 are arranged in parallel, and the flange plate 2 is welded at the top end of the three helical pipe piles 1.

[0031] In another embodiment of the embodiment, the three helical pipe piles 1 are arranged in a circumferential array, and the three helical pipe piles 1 are arranged at a preset angle and inclined inward, the flange plate 2 is welded at the top end of the three helical pipe piles 1, the flange plate 2 welds the three helical pipe piles 1 into a whole, as an underground support foundation, this combined helical pipe pile 1 can improve the rigidity and compression and anti-pulling capacity of the underground foundation.

[0032] There are a plurality of first mounting holes 21 arranged in a circumferential array on the flange plate 2.

[0033] With reference to the drawings Figure 4The column 3 comprises a column body 31, a column foot bottom plate 32, a column head top plate 33 and a plurality of rib plates 34. The column body 31 is a steel pipe pile or a concrete pipe pile. The column foot bottom plate 32 and the column head top plate 33 are fixedly installed at the bottom end and the top end of the column body 31 respectively. The plurality of rib plates 34 are fixedly installed at the outer side of the two ends of the column body 31. The rib plates 34 are arranged in parallel with the length direction of the column body 31.

[0034] A plurality of second installation holes 321 are arranged in a circumferential array on the column foot bottom plate 32. After a bolt is sequentially passed through the first installation hole 21 and the second installation hole 321, the flange plate 2 and the column foot bottom plate 32 can be fixedly connected by nut fastening. A plurality of third installation holes 331 are arranged in a circumferential array on the column head top plate 33. After a bolt is sequentially passed through the third installation hole 331 and the installation hole provided at the corresponding position of the heliostat mirror frame, the heliostat mirror frame can be connected and installed on the column head top plate 33 by nut fastening.

[0035] The rib plates 34 at the same end are distributed in a circumferential array. The plurality of rib plates 34 at the top end of the column body 31 are fixedly supported between the column head top plate 33 and the column body 31. The plurality of rib plates 34 at the bottom end of the column body 31 are fixedly supported between the column foot bottom plate 32 and the column body 31. The rib plates 34 can assist in supporting and strengthening the column head top plate 33 and the column foot bottom plate 32, so that the shape of the column head top plate 33 and the column foot bottom plate 32 remains stable and does not deform, and can bear greater load, thereby ensuring the stability of the heliostat as a whole.

[0036] The number of the second installation holes 321 provided on the column foot bottom plate 32 is consistent with the number of the rib plates 34 at the bottom end of the column body 31, and one second installation hole 321 is arranged between adjacent rib plates 34. The number of the third installation holes 331 provided on the column head top plate 33 is consistent with the number of the rib plates 34 at the top end of the column body 31, and one third installation hole 331 is arranged between adjacent rib plates 34. After the column foot bottom plate 32 and the flange plate 2, and the column head top plate 33 and the heliostat mirror frame are fixedly connected by bolts passing through the corresponding installation holes, the gravity of the heliostat applied to the column head top plate 33 is uniformly dispersed to each part of the column head top plate 33 and the rib plates 34, and the gravity applied to the column foot bottom plate 32 is uniformly dispersed to each part of the column head top plate 33 and the rib plates 34, thereby increasing the overall bearing capacity and stability.

[0037] One installation method of the heliostat support device in the embodiment comprises the following steps.

[0038] Firstly, three spiral steel pipe piles 1 are sequentially rotated into the ground at the target area of the ground where the heliostat is to be installed according to the design requirement angle by using a spiral pile machine (a torque sensor and a verticality detector can be configured on the spiral driving head of the spiral pile machine to ensure the construction quality). The top end of the spiral steel pipe pile 1 is exposed from the ground with a height of about 200 mm from the ground.

[0039] Second, the flange plate 2 is fixed and welded at the top end of the three spiral steel pipe piles 1, and the three spiral steel pipe piles 1 are welded to form a whole through the flange plate 2;

[0040] Third, the column 3 is erected on the flange plate 2, the second mounting hole 321 on the column foot bottom plate 32 is aligned with the first mounting hole 21 on the flange plate 2, and the bolt is fastened through the nut;

[0041] Fourth, after the mounting hole on the heliostat mirror frame is aligned with the third mounting hole 331 on the column head top plate 33, the bolt is fastened through the nut, and the installation of the heliostat is completed, referring to the attached Figure 5 .

[0042] Example 2

[0043] Referring to the attached Figure 1 、 6 , and based on Example 1, a combined heliostat support device includes three spiral steel pipe piles 1, a flange plate 2, a column 3, and a bearing platform 4.

[0044] Compared with Example 1, the difference of this embodiment is only that the bearing platform 4 is added. The bearing platform 4 is a reinforced concrete structure, the bearing platform 4 is constructed outside the three spiral steel pipe piles 1, the three spiral steel pipe piles 1 pass through the middle area of the bearing platform 4, the flange plate 2 is above the bearing platform 4 or the flange plate 2 is partially embedded in the bearing platform 4, the flange plate 2 is about 200mm high from the ground, the thickness of the bearing platform 4 is 300-400mm, and a part of the bearing platform 4 is embedded in the ground. The bearing platform 4 can increase the contact area of the spiral steel pipe pile 1 with the ground and increase the overall wind load resistance of the support device to ensure the safety and stability of the equipment.

[0045] When the top surface of the bearing platform 4 is attached to the bottom surface of the flange plate 2 or the flange plate 2 is at least partially embedded in the bearing platform 4, the anchor bolt is pre-installed in the first mounting hole 21, the anchor bolt is partially embedded in the bearing platform, and the upper part of the anchor bolt passes through the first mounting hole 21 on the flange plate 2 and is used to connect the second mounting hole 321 of the column foot bottom plate 32 at the bottom end of the column main body 31.

[0046] A method for installing the heliostat support device in this embodiment includes:

[0047] First, the three spiral steel pipe piles 1 are rotated into the ground in the target area of the ground where the heliostat is to be installed according to the design requirements (a torque sensor and a verticality detector can be configured on the spiral drive head of the spiral pile machine to ensure construction quality), the top end of the spiral steel pipe pile 1 is exposed from the ground, and the distance from the ground is about 200mm high;

[0048] The second step is to fix and weld the flange plate 2 to the top of the three spiral steel pipe piles 1, and weld the three spiral steel pipe piles 1 together through the flange plate 2 to form a whole.

[0049] The third step is to erect the column 3 on the flange plate 2, align the second mounting hole 321 on the column base plate 32 with the first mounting hole 21 on the flange plate 2, and then tighten it with a nut after passing through the bolt.

[0050] The fourth step is to level the ground in the target area centered on the three spiral steel pipe piles 1, remove incomplete gravel and soil particles, and then set up formwork and pour reinforced concrete in the area to form the pile cap 4. The three spiral steel pipe piles 1 are located in the middle area of ​​the pile cap 4, and the flange plate 2 is located above the pile cap 4 or the flange plate 2 is partially embedded in the pile cap 4. The top elevation of the pile cap 2 should be no less than 150mm higher than the ground.

[0051] Fifth, align the mounting holes on the heliostat frame with the third mounting hole 331 on the top plate 33 of the column head, pass bolts through the holes, and tighten with nuts. This completes the installation of the heliostat. Refer to the attached document. Figure 6 .

[0052] The term "combined" in the title of this patent refers to the following: the underground support foundation of the heliostat support device in this patent is composed of multiple spiral steel pipe piles 1 and flange plates 2, or multiple spiral steel pipe piles 1, flange plates 2 and pile caps 4. At the same time, the main body of the heliostat support device is composed of pile foundation (composed of multiple spiral steel pipe piles 1 and flange plates 2, or multiple spiral steel pipe piles 1, flange plates 2 and pile caps 4) and columns 3 above ground.

[0053] It is obvious that modifications and / or additions can be made to the above-described combined heliostat support device and corresponding method without departing from the scope and range of this utility model.

[0054] It is equally clear that, although this utility model has described the combined heliostat support device in detail, those skilled in the art will certainly be able to obtain many other equivalent forms of combined heliostat support devices and corresponding methods, which have the features described in the claims and are therefore within the scope of protection defined herein.

Claims

1. A modular heliostat support apparatus, characterized by: The helical steel pipe pile (1), the flange plate (2) and the column (3), at least two of the helical steel pipe piles (1) are used to be screwed into the ground of the target area where the heliostat is to be installed for fixation, and a plurality of helical steel pipe piles (1) are distributed in an array; the flange plate (2) is fixedly connected to the top end of the plurality of helical steel pipe piles (1), and the column (3) is fixedly installed on the top surface of the flange plate (2).

2. The modular heliostat support apparatus of claim 1, wherein: At least two of the helical steel pipe piles (1) are vertically arranged or are arranged at a preset angle relative to the axis of the flange plate (2).

3. The modular heliostat support apparatus of claim 1, wherein: The helical steel pipe pile (1) is a layered blade type helical steel pipe pile or a continuous blade type helical steel pipe pile, which comprises a central steel shaft (11) and a helical blade (12) fixed to at least a part of the outer side of the central steel shaft (11); the central steel shaft (11) has a closed steel tip.

4. The modular heliostat support apparatus of claim 1, wherein: The column (3) comprises a column body (31), a column foot bottom plate (32) and a column head top plate (33), the column body (31) is a solid web structure or a lattice structure, and the column foot bottom plate (32) and the column head top plate (33) are fixedly installed at the bottom end and the top end of the column body (31) respectively; A plurality of first installation holes (21) and second installation holes (321) are arranged in an array at the corresponding positions of the flange plate (2) and the column foot bottom plate (32) respectively, the first installation holes (21) and the second installation holes (321) are used to connect and install the flange plate (2) and the column foot bottom plate (32) by bolts; a plurality of third installation holes (331) are arranged in an array on the column head top plate (33), and the third installation holes (331) are used to connect and install the heliostat frame by bolts.

5. The modular heliostat support apparatus of claim 4, wherein: The column body (31) is a steel pipe pile or a concrete pipe pile.

6. The modular heliostat support apparatus of claim 4, wherein: The column (3) further comprises a plurality of rib plates (34) fixedly installed on the outer side of both ends of the column body (31), the rib plates (34) are arranged in parallel with the length direction of the column body (31), the rib plates (34) at the same end are arranged in an array, a plurality of rib plates (34) at the top end of the column body (31) are fixedly supported between the column head top plate (33) and the column body (31), and a plurality of rib plates (34) at the bottom end of the column body (31) are fixedly supported between the column foot bottom plate (32) and the column body (31).

7. The modular heliostat support apparatus of claim 6, wherein: The number of the second installation holes (321) is consistent with the number of the rib plates (34) at the bottom end of the column body (31), and one second installation hole (321) is arranged between adjacent rib plates (34).

8. The modular heliostat support apparatus of claim 6, wherein: The number of the third installation holes (331) is consistent with the number of the rib plates (34) at the top end of the column body (31), and one third installation hole (331) is arranged between adjacent rib plates (34).

9. The modular heliostat support apparatus of any of claims 1-8, wherein: The heliostat support device further comprises a bearing platform (4) configured outside the plurality of helical steel pipe piles (1), the plurality of helical steel pipe piles (1) pass through the middle area of the bearing platform (4), and the flange plate (2) is above the bearing platform (4) or at least partially embedded in the bearing platform (4).

10. The modular heliostat support apparatus of claim 9, wherein: The thickness of the bearing platform (4) is 300-400 mm.

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