Tower type photo-thermal hollow steel stand column center positioning device

Abstract

The utility model relates to the technical field of solar photo-thermal power generation engineering construction, in particular to a tower type photo-thermal hollow steel stand column center positioning device. The device comprises a supporting rod, a connecting disc is connected to the upper end of the supporting rod, an RTK receiver is arranged on the top face of the connecting disc, a positioning structure and a horizontal monitoring unit are arranged on the connecting disc, and the positioning structure is used for positioning and fixing the connecting disc and a connecting flange together and enabling the axis of the RTK receiver to coincide with the axis of the connecting flange. By means of the supporting rod, the connecting disc, the RTK receiver arranged on the connecting disc, the positioning structure and the horizontal monitoring unit, the center coordinate of the hollow steel stand column can be accurately determined, the installation precision is improved, and the operation effect and safety of the whole photo-thermal power generation system are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar light and heat power generation engineering construction technical field, concretely relates to a tower type light and heat hollow steel stand center positioning device. BACKGROUND

[0002] Solar thermal power generation is a main way of current solar energy utilization. The current solar thermal power generation adopts tower type solar thermal power generation method, and the tower type solar thermal power generation system utilizes the heliostat that tracks the sun in real time to reflect sunlight to the heat absorber on the tower, and generates high-temperature and high-pressure steam by heating the heat absorption working medium in the heat absorber to drive the steam turbine generator set to generate power.

[0003] In the tower type light and heat power generation project, the hollow steel stand is usually used as the support, and the connecting flange is installed at the upper end of the hollow steel stand for being connected with other structural equipment. The hollow steel stand is an important support structure, and the installation precision and stability thereof are directly related to the operation effect and safety of the whole light and heat power generation system.

[0004] At present, in the installation process of the hollow steel stand, the traditional technology is to place the steel stand into the hole drilled in advance, then adsorb the level on the surface of the steel stand to ensure the perpendicularity of the steel stand, and then move the steel stand to the designed position by observing with the naked eye and using the simple measuring tool.

[0005] The above installation method can only ensure the perpendicularity of the hollow steel stand during installation, and simultaneously, by observing with the naked eye and using the simple measuring tool, on the one hand, the center coordinate of the hollow steel stand is difficult to survey, and on the other hand, the precision is not high, which easily leads to the deviation of the installation position and affects the installation of the subsequent equipment and the overall layout of the system.

[0006] Meanwhile, due to the large size and weight of the hollow steel stand, the traditional installation method often needs to be adjusted and corrected for many times during the construction process, and once the position is found to be inaccurate, repeated adjustment is needed, which not only increases the construction difficulty and cost, but also may delay the progress of the project. UTILITY MODEL CONTENTS

[0007] The utility model solves the technical problem to provide a tower type light and heat hollow steel stand center positioning device, which utilizes the support rod, the connecting disc, the RTK receiver, the positioning structure and the horizontal monitoring unit arranged on the connecting disc, can accurately determine the center coordinate of the hollow steel stand, improves the installation precision, and ensures the operation effect and safety of the whole light and heat power generation system.

[0008] In view of the above technical problems, the technical scheme of the tower type photothermal hollow steel column center positioning device provided by the utility model is characterized by comprising a supporting rod, the upper end of the supporting rod is connected with a connecting disc, an RTK receiver is arranged on the top surface of the connecting disc, a positioning structure and a horizontal monitoring unit are arranged on the connecting disc, the positioning structure is used for positioning and fixing the connecting disc and the connecting flange together and making the axis of the RTK receiver coincide with that of the connecting flange.

[0009] Further, the connecting disc is in a disc structure, and the RTK receiver is arranged at the center of the connecting disc.

[0010] Further, the positioning structure comprises positioning pins arranged on the lower end surface of the connecting disc, a plurality of positioning pins are arranged along the axis of the connecting disc, and the size and position of the positioning pins are used for corresponding fitting with the flange holes of the connecting flange.

[0011] Further, the connecting disc is provided with corresponding positioning holes at the positions of the positioning pins, the positioning pins are fixed in the positioning holes and the lower ends of the positioning pins pass through the positioning holes.

[0012] Further, the center of the connecting disc is provided with a mounting hole, a cross support is fixedly connected in the mounting hole, and the RTK receiver is mounted at the intersection of the cross support.

[0013] Further, the upper end of the supporting rod is provided with a transversely extending section, and the lower end surface of the transversely extending section is fixedly connected with the upper end surface of the connecting disc.

[0014] Further, the horizontal monitoring unit comprises a level, and the level is arranged at least at intervals on the outer periphery of the connecting disc.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] (1) through the support rod, the staff can place the connecting disc on the connecting flange at the upper end of the hollow steel column on the ground, without climbing operation, improve safety. By using the positioning structure, the connecting disc and the connecting flange can be positioned and connected together, and the axis of the RTK receiver and the connecting flange is coincided, so that the coordinate parameters of the RTK receiver accurately reflect the center coordinate of the hollow steel column, ensure that the hollow steel column can be accurately adjusted to the design position, the center positioning of the hollow steel column of the heliostat can be quickly and effectively realized, the difficulty of surveying the center coordinate of the hollow steel column is reduced, and the precision is improved. The horizontal monitoring unit can ensure the perpendicularity of the hollow steel column, and ensure the top surface of the connecting disc is horizontal, ensure the accuracy of the positioning and installation of the hollow steel column, ensure the operation effect and safety of the whole solar thermal power generation system, avoid the position deviation caused by the naked eye observation and simple tool measurement in the traditional method, reduce the risk of subsequent equipment installation and system layout, reduce the repeated adjustment due to inaccurate position, reduce the construction difficulty and cost, and avoid project progress delay.

[0017] (2) the connecting disc is designed as a disc structure, which is convenient for cooperating with the connecting flange, the RTK receiver is installed at the center of the connecting disc, and the RTK receiver is coincided with the connecting flange in the axial direction, so that the accuracy of the center positioning is improved.

[0018] (3) the positioning pin can quickly and accurately realize the positioning and fixing of the connecting disc and the connecting flange.

[0019] (4) the top of the support rod is provided with a transversely extending part, so that the support rod and the connecting flange are avoided from interfering with each other, and the connecting disc can be aligned with the connecting flange.

[0020] (5) the horizontal monitoring unit adopts a level gauge, and at least two level gauges are arranged at intervals on the periphery of the connecting disc, so that the horizontal state of the connecting disc can be comprehensively monitored. The perpendicularity of the hollow steel column during installation is ensured, and the installation precision and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a partial structure schematic view of the hollow steel column in the embodiment 1 of the utility model.

[0022] Figure 2 is a whole structure schematic view of a tower type solar thermal hollow steel column center positioning device in the embodiment 1 of the utility model.

[0023] Figure 3 is a structure schematic view of the connecting disc and the positioning structure in the embodiment 1 of the utility model.

[0024] Figure 4 is a structure schematic view of the RTK receiver in the embodiment 1 of the utility model.

[0025] Figure 5It is the structural schematic view of the support rod in the embodiment 1 of the utility model.

[0026] Figure 6 It is the structural schematic view of the connecting disc in the embodiment 2 of the utility model.

[0027] Figure 7 It is the structural schematic view of the mounting frame in the embodiment 2 of the utility model.

[0028] In the drawing: 1, support rod; 11, extension section; 2, connecting disc; 3, RTK receiver; 4, positioning structure; 5, positioning hole; 6, positioning pin; 7, cross support; 71, first support; 72, second support;

[0029] 8, hollow steel stand column; 9, connecting flange; 10, pin plane; 11, metal block; 12, positioning groove; 13, mounting frame; 14, electromagnet; 15, fixed bolt; 16, level. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely described below with the drawings in the embodiments of the present application: Specific embodiment 1:

[0032] Nomenclature in the present embodiment:

[0033] RTK receiver 3: Real-Time Kinematic receiver (real-time dynamic carrier phase difference technology receiver).

[0034] Reference Figures 1 to 5 The tower type light and heat hollow steel stand column 8 center positioning device (hereinafter referred to as positioning device) of the utility model is applied to the hollow steel stand column 8 as shown in the drawing. Figure 1 The upper end of the hollow steel stand column 8 is provided with a connecting flange 9, and a pin plane 10 for positioning is cut on one side of the connecting flange 9.

[0035] In the present embodiment, the positioning device comprises a support rod 1, a connecting disc 2 is connected to the upper end of the support rod 1, an RTK receiver 3 is arranged on the top surface of the connecting disc 2, a positioning structure 4 and a horizontal monitoring unit are arranged on the connecting disc 2, wherein the positioning structure 4 is used for positioning and fixing the connecting disc 2 and the connecting flange 9 together and making the RTK receiver 3 coincide with the axis of the connecting flange 9, and the horizontal monitoring unit is used for monitoring whether the top surface of the connecting disc 2 is in a horizontal state.

[0036] In this way, through the support rod 1, the worker can place the connecting disc 2 on the connecting flange 9 at the upper end of the hollow steel column 8 on the ground, without the need to climb, improving safety. By using the positioning structure 4, the connecting disc 2 and the connecting flange 9 can be positioned and connected together, and the axis of the RTK receiver 3 coincides with the axis of the connecting flange 9, so that the coordinate parameters of the RTK receiver 3 accurately reflect the center coordinates of the hollow steel column 8, ensuring that the hollow steel column 8 can be accurately adjusted to the design position, enabling fast and effective center positioning of the heliostat hollow steel column 8, reducing the difficulty of measuring the center coordinates of the hollow steel column 8, and improving accuracy.

[0037] The use of a horizontal monitoring unit can ensure the verticality of the hollow steel column 8, while ensuring the levelness of the top surface of the connecting disc 2, ensuring the accuracy of the positioning and installation of the hollow steel column 8, ensuring the operation effect and safety of the entire solar thermal power generation system, avoiding the positional deviation caused by the naked eye observation and simple tool measurement in the traditional method, reducing the risk of subsequent equipment installation and system layout being affected, reducing repeated adjustments due to inaccurate positions, reducing construction difficulty and cost, and avoiding project schedule delays.

[0038] Specifically, in the present embodiment, as shown in Figure 2 , 3 , the connecting disc 2 is a disc structure, and the outer diameter of the connecting disc 2 is adapted to the outer diameter of the connecting flange 9, facilitating positioning, and the RTK receiver 3 is arranged at the center of the connecting disc 2, facilitating axial coincidence of the RTK receiver 3 and the connecting flange 9, and improving the accuracy of center positioning.

[0039] Specifically, as shown in Figure 2 , 3 , a mounting hole is formed at the center of the connecting disc 2, so that the entire connecting disc 2 is annular, and a cross-shaped bracket 7 composed of a first bracket 71 and a second bracket 72 intersecting at right angles is fixedly arranged in the mounting hole, the intersection point of the cross-shaped bracket 7 is at the center of the mounting hole, and the RTK receiver 3 is mounted at the intersection point of the cross-shaped bracket 7 through a fixing bolt 15. In this way, the overall weight of the connecting disc 2 can be reduced, facilitating the worker to move the support rod 1 by hand.

[0040] In the present embodiment, preferably, as shown in Figure 3 , the positioning structure 4 includes positioning pins 6 arranged on the lower end surface of the connecting disc 2, a plurality of positioning pins 6 are arranged along the axis of the connecting disc 2, and the size and position of the positioning pins 6 are adapted to correspond to the flange holes of the connecting flange 9. In this way, in actual use, the positioning and fixing of the connecting disc 2 and the connecting flange 9 can be quickly and accurately achieved. Of course, in other embodiments, the positioning structure 4 can also be a plurality of positioning clamps arranged on the outer periphery of the positioning disc, and the incircle of the plurality of positioning clamps is adapted to the outer diameter of the connecting flange 9. In actual use, the positioning clamps can be clamped on the outer periphery of the connecting flange 9 to achieve positioning and fixing.

[0041] Preferably, in the embodiment, the position corresponding to the positioning pin 6 on the connecting disc 2 is provided with a matched positioning hole 5, the positioning pin 6 is fixed in the positioning hole 5 and the lower end thereof penetrates through the positioning hole 5. Specifically, in the embodiment, as shown in the figure, the number and position of the positioning hole 5 are matched with the number and position of the flange hole on the connecting flange 9, the number of the positioning pin 6 is three, and the included angle between the adjacent positioning pin 6 is 120°. In this way, the multiple positioning holes 5 are arranged, so as to facilitate the adjustment of the position and number of the positioning pin 6, and facilitate the positioning and fixing. In other embodiments, the number of the positioning pin 6 can be set according to the actual use requirement, such as 2, 4, 5, etc. Figure 3

[0042] Of course, in other embodiments, the number of the positioning hole 5 can also be consistent with the number of the positioning pin 6. Or in other embodiments, the positioning disc can also not be provided with the positioning hole 5, and the positioning pin 6 is directly welded and fixed at the corresponding position on the bottom surface of the connecting disc 2.

[0043] In the embodiment, preferably, as shown in the figure, Figure 2 5 In the embodiment, preferably, as shown in the figure,

[0044] In the embodiment, preferably, the horizontal monitoring unit includes a level 16, two of which are arranged on the outer circumferential surface of the connecting disc 2 and spaced apart in the circumferential direction. And the hollow steel column 8 is also provided with the level 16 (not shown in the figure). In this way, on the one hand, the end surface of the connecting disc 2 can be guaranteed to be horizontal, and the horizontal state of the connecting disc 2 can be comprehensively monitored. The center of the RTK receiver 3 is guaranteed to coincide with the axis of the hollow steel column 8, the positioning accuracy is guaranteed, and on the other hand, the perpendicularity of the hollow steel column 8 can be guaranteed, and the assembly precision of the connecting disc 2 and the connecting flange 9 can be guaranteed. Of course, in other embodiments, three or four levels 16 can also be arranged on the outer circumference of the connecting disc 2 according to the actual requirement. In other embodiments, the horizontal monitoring unit can also be an electronic level.

[0045] In the embodiment, the support rod 1 is a straight rod, and in other embodiments, the support rod 1 can also be a telescopic rod.

[0046] In the embodiment, as shown in the figure, Figure 1 ​​As shown in the pin plane 10 on the connecting flange 9, the azimuth angle of the hollow steel column 8 can be positioned, such as first according to the design angle, designing the stake, rotating the hollow steel column 8 to make the pin plane 10 align with the stake, and completing the positioning of the azimuth angle of the hollow steel column 8.

[0047] In the embodiment, the support rod 1 can be used as a stake, the support rod 1 is first arranged at a specified design position, then the hollow steel column 8 is rotated to make the pin plane 10 align with the hollow steel column 8, and the azimuth angle of the hollow steel column 8 is adjusted and positioned. Then the connecting disc 2 and the connecting flange 9 are connected together by the support rod 1, and the center coordinate positioning is performed by the RTK.

[0048] The working process of the application is as follows: first, the hollow steel column 8 is installed in the drilled hole, then the connecting disc 2 is placed above the connecting flange 9 by the support rod 1, the position is adjusted to make the positioning pin 6 align with the flange hole of the connecting flange 9, then the connecting disc 2 is lowered, the positioning pin 6 is inserted into the flange hole, and the positioning and fixing of the connecting disc 2 and the connecting flange 9 are completed.

[0049] Then the level 16 is observed to ensure the verticality of the hollow steel column 8 and the horizontality of the connecting disc 2.

[0050] The center coordinate of the hollow steel column 8 is observed by the RTK receiver 3, the position of the hollow steel column 8 is adjusted until the received coordinate of the RTK receiver 3 is consistent with the design coordinate, at this time the hollow steel column 8 is installed at the design coordinate point, and the positioning of the center coordinate of the hollow steel column 8 is completed, and the purpose of center point control is achieved.

[0051] In summary, by using the positioning device of the application, the center positioning problem of the hollow steel column 8 of the heliostat can be quickly and effectively solved, the problems of the traditional construction, such as the difficulty in measuring and mapping the center point coordinate of the hollow steel column 8 and the low precision, are solved, the scale construction of the heliostat column of the heliostat field is facilitated, the hand-held design avoids the high-altitude measurement positioning, the RTK auxiliary positioning ensures the positioning precision, the construction efficiency and construction quality are greatly improved, the construction is convenient, and the application has strong popularization and application value.

[0052] Embodiment 2: The embodiment provides a different positioning device, which is different from embodiment 1. Figure 6 、 7 As shown in the pin plane 10 on the connecting flange 9, the azimuth angle of the hollow steel column 8 can be positioned, such as first according to the design angle, designing the stake, rotating the hollow steel column 8 to make the pin plane 10 align with the stake, and completing the positioning of the azimuth angle of the hollow steel column 8.

[0053] The mounting frame 13 comprises a middle horizontal rod and two inclined rods arranged at both ends of the horizontal rod and extending downward, and the lower ends of the inclined rods are fixedly provided with electromagnets 14, the size of the electromagnets 14 is matched with the size of the positioning grooves 12, and the interval of the two electromagnets 14 is matched with the interval of the two positioning grooves 12. Further comprising a unmanned aerial vehicle (not shown in the figure), the middle point of the middle horizontal rod of the mounting frame 13 is fixedly installed at the lower end of the unmanned aerial vehicle, and the electromagnets 14 are powered on and off through the power supply of the unmanned aerial vehicle.

[0054] In this way, in actual use, for the hollow steel column 8 with high height, the electromagnets 14 on the mounting frame 13 can be used to magnetically attract and fix the metal blocks 11, the connecting flange 9 can be positioned and fixed on the connecting flange 9 by using the unmanned aerial vehicle to drive the connecting disc 2 to move to the connecting flange 9, and after the arrangement is completed, the electromagnets 14 are powered off, and the unmanned aerial vehicle is separated from the connecting disc 2. Meanwhile, a monitoring camera can be arranged on the unmanned aerial vehicle to assist the operation, improve the work efficiency, and reduce the work difficulty.

[0055] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0056] In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "horizontal", "inner" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product in use, only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", etc. are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0057] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

Claims

1. A tower type photothermal hollow steel column center positioning device, characterized in that, The support rod is connected with a connecting disc at the upper end, the top surface of the connecting disc is provided with an RTK receiver, the connecting disc is provided with a positioning structure and a horizontal monitoring unit, the positioning structure is used for positioning and fixing the connecting disc and the connecting flange together, and the RTK receiver is coincident with the axis of the connecting flange.

2. The tower type photothermal hollow steel column center positioning device according to claim 1, characterized in that, The connecting disc is a disc structure, and the RTK receiver is arranged at the center of the connecting disc.

3. The tower type photothermal hollow steel column center positioning device according to claim 2, characterized in that, The positioning structure comprises positioning pins arranged on the lower end surface of the connecting disc, and a plurality of positioning pins are arranged along the axis of the connecting disc, and the size and position of the positioning pins are adapted to the flange holes of the connecting flange.

4. The tower type optical thermal hollow steel column center positioning device according to claim 3, characterized in that, The connecting disc is provided with an adapted positioning hole corresponding to the position of the positioning pin, the positioning pin is fixed in the positioning hole, and the lower end of the positioning pin penetrates the positioning hole.

5. The tower type photothermal hollow steel column center positioning device according to claim 2, characterized in that, The center of the connecting disc is provided with a mounting hole, a cross support is fixedly connected in the mounting hole, and the RTK receiver is mounted at the intersection of the cross support.

6. The tower type photothermal hollow steel column center positioning device according to claim 1, characterized in that, The upper end of the support rod is provided with a transversely extending section, and the lower end surface of the transversely extending section is fixedly connected with the upper end surface of the connecting disc.

7. The tower type photothermal hollow steel column center positioning device according to claim 1, characterized in that, The horizontal monitoring unit comprises a level, and the level is arranged at least at intervals on the outer periphery of the connecting disc.

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