Heliostat PHC pile positioning retest device

Abstract

The utility model relates to heliostat pipe pile construction, in particular to a heliostat PHC pile positioning retesting device which comprises a base, a handheld rod, a positioning part and an RTK receiver. The positioning piece is connected to the base, the RTK receiver is detachably connected to the side, away from the positioning piece, of the base through a bolt, and the central axis of the bolt coincides with the central axis of the positioning piece; and one end of the handheld rod is connected to the base. The method has the effects that the positioning coordinates of the heliostat pile can be rapidly and repeatedly measured, and rapid construction of the heliostat pile foundation is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of heliostat pipe pile construction, and in particular to a heliostat PHC pile positioning and re-measurement device. Background Art

[0002] Solar thermal sites cover a vast area. Due to the short construction period of solar thermal, more and more heliostat foundations use PHC prefabricated piles, which are large in number and the coordinates of the heliostat pile foundations are strictly controlled. Therefore, the coordinate control of the pile foundation construction is the key to the construction.

[0003] Under the relevant technology, after the concrete of the heliostat pile foundation is poured, the height of the heliostat pile foundation is 2.35m. The traditional RTK re-positioning method requires surveyors to build a ladder, and the personnel climb up to the heliostat pile foundation for re-measurement.

[0004] With regard to the above-mentioned related technologies, it is troublesome and dangerous for surveyors to climb up and down ladders to remeasure the heliostat piles. Therefore, in order to facilitate surveyors to quickly and accurately remeasure the coordinates of the heliostat pile foundation, there is an urgent need for a device that can quickly remeasure the positioning coordinates of the heliostat piles and realize the rapid construction of the heliostat pile foundation. Utility Model Content

[0005] In order to quickly re-measure the heliostat pile positioning coordinates and realize the rapid construction of the heliostat pile foundation, the present application provides a heliostat PHC pile positioning re-measurement device.

[0006] The present application provides a heliostat PHC pile positioning and re-measurement device, which adopts the following technical solution:

[0007] A heliostat PHC pile positioning and re-measurement device, comprising a base, a hand-held rod, a positioning member and an RTK receiver;

[0008] The positioning member is connected to the base, and the RTK receiver is detachably connected to a side of the base away from the positioning member by means of bolts, wherein the central axis of the bolts coincides with the central axis of the positioning member;

[0009] One end of the hand-held rod is connected to the base.

[0010] By adopting the above technical solution, in order to facilitate personnel to measure the basic coordinates of the heliostat pile, the personnel hold the hand-held rod to lift the positioning piece above the heliostat pile. Since the axis of the bolt and the positioning piece coincide, after the positioning piece is aligned with the heliostat pile, the RTK receiver is also located at the center of the heliostat pile, so that the personnel can measure the basic coordinates of the heliostat pile through the RTK handboard.

[0011] Optionally, the positioning member is a positioning ring.

[0012] By adopting the above technical solution, since the heliostat pile is cylindrical, in order to better fix the positioning member to the heliostat pile, the positioning member is a positioning ring, which is sleeved on the heliostat pile so that the outer periphery of the heliostat pile fits with the annular inner periphery of the positioning member.

[0013] Optionally, the positioning member includes a plurality of first clamping seats, a first accommodating area is formed between two adjacent first clamping seats, the first clamping seat is slidably connected to the base along the radial direction of the virtual circle, the virtual circle is located in the first accommodating area, and the virtual circle is coaxial with the first accommodating area.

[0014] By adopting the above technical solution, since the outer diameters of heliostat piles are different, in order to enable the positioning member to be mounted on heliostat piles with different outer diameters, the positioning member includes a plurality of first clamping seats, and the first clamping seats are slidably connected to the base along the radial direction of the virtual circle, so that the plurality of first clamping seats can clamp the heliostat piles with different outer diameters.

[0015] Optionally, the number of the hand-holding rods is set corresponding to the number of the first clamping seats, and the hand-holding rod is located on a side of the first clamping seat away from the first accommodating area.

[0016] By adopting the above technical solution, since there are multiple first clamping seats, when a person holds the hand-held rod and lifts upward, the multiple hand-held rods can be provided to keep the balance as much as possible during the lifting process.

[0017] Optionally, a sliding groove is opened on one side of the base close to the first clamping seat along the radial direction of the virtual circle, the end of the hand-held rod is located in the sliding groove, the hand-held rod is slidably connected to the base along the length direction of the sliding groove, and the hand-held rod is directly or indirectly connected to the first clamping seat.

[0018] By adopting the above technical solution, in order to drive the first clamping seat to slide along the base, a slide groove is provided, the hand-held rod is located in the slide groove, and the hand-held rod is connected to the first clamping seat, and the first clamping seat can be further driven to slide by sliding the hand-held rod along the groove wall of the slide groove. Therefore, the hand-held rod can not only have the function of lifting the positioning member, but also can adjust the range of the first accommodating area by sliding the hand-held rod, so that the first clamping seat can further clamp the heliostat piles with different outer diameters.

[0019] Optionally, it further includes a sliding assembly, wherein the sliding assembly includes a sliding block and a first connecting member;

[0020] The slide groove comprises a first sliding portion and a second sliding portion, the first sliding portion is located at a side of the fixed base away from the RTK receiver, and a width of the first sliding portion is smaller than a width of the second sliding portion;

[0021] The slider is fixedly connected to one end of the hand-held rod close to the base, the slider includes a sliding member and an abutment member, the width of the abutment member is greater than the width of the sliding member, the abutment member is located in the second sliding member after passing through the first sliding part, the sliding member is located in the first sliding part, one end of the first connecting member is located in the first sliding part, and the other end is located in the second sliding part, the first connecting member is directly or indirectly connected to the slider, and the bottom end of the first connecting member is fixedly connected to the top wall of the hand-held rod.

[0022] By adopting the above technical solution, in order to further ensure good fixation between the hand-held rod, the first clamping seat and the base, the slider is located in the second sliding part, and the slider abuts against the side wall of the first sliding part to prevent the hand-held rod from detaching from the base. The first connecting seat is also located in the sliding groove, and the first connecting seat is fixedly connected between the slider and the first clamping seat, further ensuring a stable connection between the hand-held rod, the first clamping seat and the base.

[0023] Optionally, the sliding assembly further includes an elastic member, the elastic member is located in the second sliding portion, the expansion and contraction direction of the elastic member is parallel to the radial direction of the virtual circle, and the elastic member is fixedly connected between the sliding block and the first connecting member.

[0024] By adopting the above technical solution, in order to further improve the stable clamping between the first clamping seat and the heliostat pile, an elastic member is provided so that the first clamping seat can clamp the heliostat pile more firmly under the action of the elastic member.

[0025] Optionally, a reinforcement component is also included, which is located on the side of the hand-held rod away from the base. The reinforcement component includes two second clamping seats, and a second accommodating area is formed between the two second clamping seats. The second accommodating area is coaxially arranged with the first accommodating area. The second clamping seat is rotatably connected to the hand-held rod, and the second clamping seat is perpendicular to the central axis of the virtual circle and the sliding direction of the hand-held rod along the rotation axis of the hand-held rod.

[0026] By adopting the above technical solution, since the heliostat pile has a certain height, in order to further improve the stability of the re-measurement device and the heliostat pile, a reinforcement component is provided, and the second clamping seat clamps the position below the heliostat pile. In order to facilitate the installation of the device, the second clamping seat is rotatably connected to the hand-held rod. When the second clamping seat is rotated to an open state, personnel can remove the device.

[0027] Optionally, the second clamping seat is arc-shaped, and the arc-shaped opening faces a side away from the hand-held rod.

[0028] By adopting the above technical solution, in order to make the second clamping seat clamp the heliostat pile more firmly, the second clamping seat is arc-shaped, so that the contact area between the second clamping seat and the heliostat pile is larger and the clamping effect is more firm.

[0029] Optionally, a cylinder is provided between the hand-held rod and the second clamping seat, a piston rod of the cylinder is fixedly connected to the second clamping seat, and a cylinder shell of the cylinder is rotatably connected to the hand-held rod through a second connecting member;

[0030] It also includes a motor for driving the second connecting member to rotate along the hand-held rod.

[0031] By adopting the above technical solution, in order to enable the second clamping seat to adapt to heliostat piles of different outer diameters, a cylinder is provided between the hand grip rod and the second clamping seat, so that the cylinder piston rod drives the second clamping seat to push toward one side of the heliostat pile, so that the heliostat pile is clamped by the two second clamping seats. In addition, when the elastic member loses its elastic force, the position of the hand grip rod in the slide groove can still be fixed by the cylinder.

[0032] In summary, the present application includes at least one of the following beneficial technical effects:

[0033] 1. In this application, the positioning piece is set on the heliostat pile to further locate the position of the RTK receiver. The personnel hold the handheld rod to lift the positioning frame above the heliostat pile, so that the personnel can measure the basic coordinates of the heliostat pile;

[0034] 2. In the present application, the hand-held rod slides along the base, further driving the first clamping seat to slide, so that the heliostat piles with different outer diameters can be clamped and fixed by multiple first clamping seats;

[0035] 3. The present application further clamps and fixes the heliostat pile by providing a second clamping seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of Embodiment 1 of the present application;

[0037] Figure 2 It is a structural diagram of Embodiment 2 of the present application;

[0038] Figure 3 This is a schematic diagram of the connection structure between the first clamping seat and the base from a first viewing angle in the second embodiment of the present application;

[0039] Figure 4 This is a schematic diagram of the connection structure between the first clamping seat and the base from a second viewing angle in the second embodiment of the present application;

[0040] Figure 5 It is an enlarged view of part A of Example 2 of the present application;

[0041] Figure 6 It is a schematic diagram of the structure of the reinforcement component of this application.

[0042] Explanation of the reference numerals: 01, heliostat pile; 1, base; 11, bolt; 12, slide groove; 121, first sliding part; 122, second sliding part; 2, hand-held rod; 21, hinged seat; 22, second connecting member; 23, locking nut; 3, positioning member; 31, first clamping seat; 32, first accommodating area; 4, RTK receiver; 5, sliding assembly; 51, slider; 511, sliding member; 512, abutment member; 52, first connecting member; 53, elastic member; 6, reinforcement assembly; 61, second clamping seat; 62, second accommodating area; 7, cylinder; 8, motor. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-6 This application is described in further detail.

[0044] Embodiment 1:

[0045] The present application embodiment discloses a heliostat PHC pile positioning and retesting device. Figure 1 The heliostat PHC pile positioning and re-measurement device comprises a base 1, a hand-held rod 2, a positioning member 3 and an RTK receiver 4. One end of the hand-held rod 2 is connected to the base 1, the positioning member 3 is connected to the base 1, and the RTK receiver 4 is detachably connected to a side of the base 1 away from the positioning member 3. After the positioning member 3 is sleeved on the outer periphery of the heliostat pile 01, the RTK receiver 4 re-measures the coordinates of the heliostat pile 01.

[0046] Reference Figure 1 In this embodiment, the base 1 is a square plate, the positioning member 3 is a positioning ring, two hand-held rods 2 are provided, the two hand-held rods 2 are arranged in parallel, the positioning member 3 is located between the two hand-held rods 2, the positioning member 3 coincides with the central axis of the base 1, a bolt 11 is fixedly connected to the side of the base 1 away from the positioning member 3, the central axis of the bolt 11 coincides with the center axis of the positioning member 3, and the RTK receiver 4 is threadedly connected to the bolt 11; a person holds the hand-held rod 2, lifts the positioning member 3 and sets it on the heliostat pile 01, at this time, because the bolt 11 is coaxially arranged with the positioning member 3, the RTK receiver 4 is also at the center of the heliostat pile 01, and the person can read the positioning coordinates of the heliostat pile 01 through the RTK hand plate.

[0047] Embodiment 2:

[0048] Reference Figure 2Since the outer diameters of the heliostat piles 01 vary, in order to enable the positioning member 3 to be mounted on the outer circumference of the heliostat piles 01 with different outer diameters, the positioning member 3 includes a plurality of first clamping seats 31, and a first accommodating area 32 for accommodating the heliostat piles 01 is formed between the plurality of first clamping seats 31. In the present embodiment, two first clamping seats 31 are provided, and each first clamping seat 31 is in an arc shape, and the inner circle of the arc shape is the first accommodating area 32 for accommodating the heliostat pile 01.

[0049] Reference Figure 2 In order to make the first clamping seat 31 adapt to heliostat piles 01 with different outer diameters, the first clamping seat 31 is slidably connected to the base 1 along the radial direction of the virtual circle, and the virtual circle is located in the first accommodating area 32. When the two first clamping seats 31 are sleeved on the outer periphery of the heliostat pile 01, the heliostat pile 01 is coaxial with the virtual circle, and the two first clamping seats 31 are close to or away from each other along the radial direction of the virtual circle, so as to sleeve the heliostat piles 01 with different outer diameters.

[0050] Reference Figure 3 , Figure 4 and Figure 5 In order to drive the first clamping seat 31 to slide, the heliostat PHC pile positioning and retesting device includes a sliding assembly 5, the sliding assembly 5 includes a slider 51, a first connecting member 52 and an elastic member 53, a sliding groove 12 is provided on the side of the base 1 close to the hand-held rod 2 along the radial direction of the virtual circle, the sliding groove 12 includes a first sliding portion 121 and a second sliding portion 122, the first sliding portion 121 is located on the side of the base 1 close to the hand-held rod 2, and the width of the first sliding portion 121 is less than the width of the second sliding portion 122; the slider 51 is fixedly connected to the end of the hand-held rod 2 close to the base 1, the slider 51 includes a sliding member 511 and an abutting member 512, and the width of the abutting member 512 is greater than the width of the sliding member 511 The width of the abutment 512 is located in the second sliding portion 122 after passing through the first sliding portion 121. The sliding portion 511 is located in the first sliding portion 121. One end of the first connecting member 52 is located in the first sliding portion 121, and the other end is located in the second sliding portion 122. The first connecting member 52 is fixedly connected to the slider 51 through an elastic member 53. The bottom end of the first connecting member 52 is fixedly connected to the top wall of the hand-held rod 2. The elastic member 53 is arranged parallel to the length direction of the slide groove 12. The elastic member 53 is located in the first sliding portion 121. In this embodiment, the elastic member 53 is a compression spring. The elastic member 53 has a force to drive the hand-held rod 2 to move toward the side of the first clamping seat 31 under a recoverable deformation.

[0051] Reference Figure 3 and Figure 4When the elastic member 53 is in a normal state, the two first clamping seats 31 form a first accommodating area 32. When the elastic member 53 changes from a normal state to a compressed state, the two first clamping seats 31 move away from each other, and the range of the first accommodating area 32 is expanded. When in use, a person lifts the hand-held rod 2 to the top of the heliostat pile 01, and pulls the two hand-held rods 2 at the same time, so that the hand-held rods 2 slide along the groove wall of the slide groove 12 through the slider 51, further driving the two first clamping seats 31 to move away from each other, and then the two first clamping seats 31 are sleeved on the outer periphery of the heliostat. Under the action of the elastic member 53, the two first clamping seats 31 clamp the heliostat pile 01. At this time, the RTK receiver 4 is still located at the center of the heliostat pile 01, which is convenient for personnel to measure.

[0052] Reference Figure 6 In order to further improve the stability between the heliostat pile 01 and the positioning and re-measurement device, the heliostat PHC pile positioning and re-measurement device also includes a reinforcement component 6, which includes two second clamping seats 61. A second accommodating area 62 for accommodating the heliostat pile 01 is formed between the two second clamping seats 61. The second accommodating area 62 is coaxially arranged with the first accommodating area 32. Each second clamping seat 61 is arc-shaped, and the arc-shaped opening faces the side away from the hand-held rod 2.

[0053] Reference Figure 6 For ease of installation, each second clamping seat 61 is rotatably connected to the hand-held rod 2. The second clamping seat 61 is arranged perpendicularly to the sliding direction of the slider 51 along the base 1 along the rotation axis of the hand-held rod 2 and perpendicularly to the central axis of the virtual circle. That is, when the two second clamping seats 61 are rotated along the hand-held rod 2 to a horizontal and mutually parallel state, the two second clamping seats 61 are in a relatively fixed state. When the re-measurement device needs to be separated from the heliostat pile 01, the second clamping seats 61 only need to be rotated along the hand-held rod 2 to open the two second clamping seats 61, and then the re-measurement device can be removed from the heliostat pile 01.

[0054] Reference Figure 6 In order to make the second clamping seat 61 adaptable to heliostat piles 01 of different outer diameters, a cylinder 7 is provided between the gripping rod and the second clamping seat 61, and a piston rod of the cylinder 7 is fixedly connected to the side wall of the second clamping seat 61. The piston rod of the cylinder 7 is arranged parallel to the radial direction of the virtual circle, so that the second clamping seat 61 is driven by the piston rod of the cylinder 7 to push toward one side of the heliostat pile 01, thereby the heliostat pile 01 is clamped by the two second clamping seats 61.

[0055] Reference Figure 6In order to drive the second clamping seat 61 to rotate along the hand-held rod 2, the heliostat PHC pile positioning and re-measurement device also includes a motor 8. The hand-held rod 2 is fixedly connected to a hinge seat 21 on one side close to the second clamping seat 61. A second connecting member 22 is provided between the hinge seat 21 and the cylinder 7. One end of the second connecting member 22 is fixedly connected to the cylinder shell of the cylinder 7, and the other end is rotatably connected to the hinge seat 21. The housing of the motor 8 is fixedly connected to the side wall of the hinge seat 21. The output shaft of the motor 8 is fixedly connected to the second connecting member 22. The rotation axis of the output shaft of the motor 8 coincides with the rotation axis of the second connecting member 22 along the hinge seat 21. When the second clamping seat 61 needs to be moved, the second connecting member 22 is fixedly connected to the cylinder shell of the cylinder 7. When 1 is mounted on the heliostat pile 01, the motor 8 drives the second connecting member 22 to rotate along the axis of the hinge seat 21, and the cylinder 7 drives the second clamping seat 61 to rotate to a horizontal state and parallel to each other; that is, the motor 8 drives the second clamping seat 61 to rotate upward through the second connecting member 22 until the two second clamping seats 61 are in contact with each other, so that the two second clamping seats 61 are in a locked state to form a second accommodating area 62, and the motor 8 drives the second clamping seat 61 to rotate downward through the second connecting member 22 until the two second clamping seats 61 are separated, so that the two second clamping seats 61 are in a split state, and the second accommodating area 62 is opened.

[0056] Reference Figure 6 After the hand-held rod 2 slides in the slide groove 12 until the first clamping seat 31 is in place, the driving motor 8 rotates the two second clamping seats 61 to a locked state, and drives the cylinder 7 to allow the two second clamping seats 61 to clamp and fix the heliostat pile 01. Under the driving action of the cylinder 7, the fixing effect between the second clamping seats 61 and the heliostat pile 01 is better, so as to avoid the movement of the hand-held rod 2 affecting the measurement accuracy; in addition, when the elastic member 53 loses its elastic force, the position of the hand-held rod 2 in the slide groove 12 can still be fixed by the cylinder 7.

[0057] Reference Figure 6 In order to adapt to heliostat piles 01 of different heights, the hand-held rod 2 is a telescopic rod structure, the fixed part of the hand-held rod 2 is connected to the base 1, the movable part of the hand-held rod 2 is slidably connected to one end close to the fixed part, and the movable part of the hand-held rod 2 is fixedly connected to the fixed part through a locking nut 23. Specifically, one end of the locking nut 23 is penetrated and threadedly connected to the movable part of the hand-held rod 2, and one end of the locking nut 23 passes through the movable part and is tightened against the fixed part. It should be noted that the hinge seat 21 is fixedly connected to the side of the movable section away from the fixed section; the personnel extend the length of the hand-held rod 2 by sliding the movable part to adapt to heliostat piles 01 of different heights.

[0058] The implementation principle of the heliostat PHC pile positioning and re-measurement device in the embodiment of the present application is as follows: a person holds two hand-held rods 2, lifts the positioning member 3 to the top of the heliostat pile 01, and sets the positioning member 3 on the periphery of the heliostat. At this time, the RTK receiver 4 is located at the center of the heliostat pile 01, and the person can read the positioning coordinates of the heliostat pile 01 through the RTK hand board;

[0059] When it is necessary to measure heliostat piles 01 of different outer diameters, the hand-held rod 2 is held to lift the positioning member 3 to the top of the heliostat, and the hand-held rod 2 is pulled to slide in the slide groove 12. Under the action of the elastic member 53, the two first clamping seats 31 clamp the heliostat, and then the motor 8 drives the second connecting member 22 to rotate to drive the two second clamping seats 61 to rotate to a closed state, and the cylinder 7 drives the two second clamping seats 61 to clamp the heliostat pile 01. When the re-measurement device needs to be removed, the motor 8 drives the two second clamping seats 61 to rotate downward until the two second clamping seats 61 are separated from each other to separate the re-measurement device from the heliostat pile 01.

[0060] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A heliostat PHC pile positioning and re-measurement device, characterized in that: It comprises a base (1), a hand-held rod (2), a positioning member (3) and an RTK receiver (4); The positioning member (3) is connected to the base (1), and the RTK receiver (4) is detachably connected to a side of the base (1) away from the positioning member (3) via a bolt (11), and a central axis of the bolt (11) coincides with a central axis of the positioning member (3); One end of the hand-held rod (2) is connected to the base (1).

2. A heliostat PHC pile positioning and retesting device according to claim 1, characterized in that: The positioning member (3) is a positioning ring.

3. A heliostat PHC pile positioning and retesting device according to claim 1, characterized in that: The positioning member (3) comprises a plurality of first clamping seats (31), a first accommodating area (32) is formed between two adjacent first clamping seats (31), the first clamping seats (31) are slidably connected to the base (1) along the radial direction of a virtual circle, the virtual circle is located in the first accommodating area (32), and the virtual circle is coaxial with the first accommodating area (32).

4. A heliostat PHC pile positioning and re-measurement device according to claim 3, characterized in that: The number of the hand-held rods (2) and the first clamping seat (31) is arranged correspondingly, and the hand-held rod (2) is located on a side of the first clamping seat (31) away from the first accommodating area (32).

5. The heliostat PHC pile positioning and re-measurement device according to claim 3, characterized in that: A slide groove (12) is provided on one side of the base (1) close to the first clamping seat (31) along the radial direction of a virtual circle, the end of the hand-held rod (2) is located in the slide groove (12), the hand-held rod (2) is slidably connected to the base (1) along the length direction of the slide groove (12), and the hand-held rod (2) is directly or indirectly connected to the first clamping seat (31).

6. A heliostat PHC pile positioning and retesting device according to claim 5, characterized in that: It also includes a sliding assembly (5), wherein the sliding assembly (5) includes a sliding block (51) and a first connecting member (52); The slide groove (12) comprises a first sliding portion (121) and a second sliding portion (122), the first sliding portion (121) being located on a side of the base (1) away from the RTK receiver (4), and the width of the first sliding portion (121) being smaller than the width of the second sliding portion (122); The slider (51) is fixedly connected to one end of the hand-held rod (2) close to the base (1); the slider (51) comprises a sliding member (511) and an abutting member (512); the width of the abutting member (512) is greater than the width of the sliding member (511); the abutting member (512) is located in the second sliding member (122) after passing through the first sliding portion (121); the sliding member (511) is located in the first sliding portion (121); one end of the first connecting member (52) is located in the first sliding portion (121); the other end is located in the second sliding portion (122); the first connecting member (52) is directly or indirectly connected to the slider (51); and the bottom end of the first connecting member (52) is fixedly connected to the top wall of the hand-held rod (2).

7. A heliostat PHC pile positioning and re-measurement device according to claim 6, characterized in that: The sliding assembly (5) further comprises an elastic member (53), wherein the elastic member (53) is located in the second sliding portion (122), the expansion and contraction direction of the elastic member (53) is parallel to the radial direction of the virtual circle, and the elastic member (53) is fixedly connected between the sliding block (51) and the first connecting member (52).

8. A heliostat PHC pile positioning and retesting device according to claim 7, characterized in that: The invention also comprises a reinforcement component (6), the reinforcement component (6) being located on a side of the hand-held rod (2) away from the base (1), the reinforcement component (6) comprising two second clamping seats (61), a second accommodating area (62) being formed between the two second clamping seats (61), the second accommodating area (62) being coaxially arranged with the first accommodating area (32), the second clamping seat (61) being rotatably connected to the hand-held rod (2), the second clamping seat (61) being perpendicular to both the central axis of the virtual circle and the sliding direction of the hand-held rod (2) along the rotation axis of the hand-held rod (2).

9. A heliostat PHC pile positioning and retesting device according to claim 8, characterized in that: The second clamping seat (61) is arc-shaped, and the arc-shaped opening faces a side away from the hand-held rod (2).

10. The heliostat PHC pile positioning and re-measurement device according to claim 8, characterized in that: A cylinder (7) is provided between the hand-held rod (2) and the second clamping seat (61); a piston rod of the cylinder (7) is fixedly connected to the second clamping seat (61); and a cylinder shell of the cylinder (7) is rotatably connected to the hand-held rod (2) via a second connecting member (22); It also includes a motor (8) for driving the second connecting member (22) to rotate along the hand-held rod (2).

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