Geodetic survey type forced centering auxiliary installation device

Abstract

The utility model discloses a geodetic survey type forced centering auxiliary installation device. The geodetic survey type forced centering auxiliary installation device comprises a forced installer (10), a switching part (20), a GNSS observation pillar steel mold (30) and a forced centering mark (40). The forced installer and the GNSS observation pillar steel mold are connected through a connecting part; and the forced installer is connected with the forced centering mark through a switching part. The utility model provides a geodetic survey type forced centering auxiliary installation device which has installation precision of 5mm and is rapid, stable and reliable. The method can be applied to the technical field of GNSS B-level control point surveying mark installation of national basic surveying and mapping.

Description

Technical Field

[0001] The utility model belongs to the technical field of national basic surveying and mapping GNSS B-level control point measurement mark installation, and specifically relates to a geodetic type forced centering auxiliary installation device. Background Art

[0002] When installing GNSS Class B control point measurement marks, the traditional method is to use the cross-line method to determine the center of the mark installation, and then install a circular level bubble in the center of the mark for manual leveling. It is also necessary to observe whether the bubble is offset at regular intervals. If it is offset, it needs to be re-leveled, and continue to observe and repeat the above steps until the concrete is completely solidified, and the measurement mark is firmly and flatly installed in the center of the column. The traditional method will inevitably produce installation errors during the installation process, and there are too many external influencing factors that cannot be controlled, and the operation efficiency cannot be guaranteed.

[0003] The Chinese patent publication number CN207557481U discloses a measurement mark. The measurement mark provided in the utility model embodiment can achieve fast and forced centering and leveling during GNSS observation.

[0004] The utility model provides a forced centering auxiliary installation device adapted to the measuring mark disclosed in publication number CN207557481U, which can accurately and quickly realize the installation of the measuring mark. Utility Model Content

[0005] The purpose of the utility model is to provide a geodetic forced centering auxiliary installation device for accurately and quickly installing measuring marks in response to the shortcomings and deficiencies of the existing installation technology, which can reduce manual operation time and greatly improve the efficiency of forced centering auxiliary installation operations.

[0006] A geodetic forced centering auxiliary installation device is mainly used for accurate and rapid installation of GNSS Class B point measurement marks, and the auxiliary installation device specifically comprises a forced installer (10), an adapter (20), and a GNSS observation pier steel mold (30). The forced installer (10) and the GNSS observation pier steel mold (30) are connected via a connecting portion; the forced installer (10) and the forced centering mark (40) are connected via the adapter (20).

[0007] The connecting portion is longitudinally arranged at an end away from the center of the forced installer and is fixedly connected to the end, and the adapter portion is longitudinally arranged at a position close to the center of the forced installer. The connecting portion includes a pillar (111), a stud 1 (105) and a nut 1 (106), the bottom end of the pillar (111) is fixedly connected to the top end of the stud 1 (105), the stud 1 (105) passes through the top surface of the observation pier steel mold, and the nut 1 (106) is threadedly installed on the stud 1 (105), so that the pillar (111) and the nut 1 (106) are located on the upper and lower sides of the top surface of the observation pier steel mold, and are used to clamp the top surface of the observation pier steel mold; the forced centering mark (40) is connected to the forced installer (10) through the adapter portion (20); after forced fixing, it is ensured that the forced centering mark is already located in the center of the three pillars.

[0008] The forced centering mark (40) is connected to the forced installer (10) through an adapter (20); the adapter (20) includes an upper nut (108), a lower nut (109), a second stud (110) and a third stud (107); the bottom end of the second stud (110) and the top end of the third stud (107) are fixedly connected; the third stud (107) is threadedly mounted on the forced centering mark (40); the second stud (110) passes through the forced installer (10); the upper nut (108) and the lower nut (109) are threadedly mounted on the second stud (110) and are respectively located on the upper and lower sides of the forced installer (10) for clamping the forced installer (10). By adjusting the upper nut (108) and the lower nut (109) of the adapter, the measurement mark is adjusted to a horizontal state and fits with the column pier surface.

[0009] Compared with the traditional method, the utility model is more stable and reliable. Through the mutual cooperation between the forced installer, the adapter, the GNSS observation pier steel mold and the forced centering mark, the installation error caused by human operation and external factors can be reduced, and the difference between the mark center and the geometric center of the column pier surface is effectively ensured to be no more than 5mm. At the same time, it can reduce manual operation time and greatly improve the efficiency of forced centering auxiliary installation operation, which has great practical and market value. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0011] Figure 2 It is the front view of the utility model.

[0012] Figure 3 It is a top view of the utility model. DETAILED DESCRIPTION

[0013] The present invention is described in detail below in conjunction with specific implementation methods.

[0014] The utility model relates to a geodetic forced centering auxiliary installation device, comprising a forced installer (10), a switching part (20), and a GNSS observation pier steel mold (30). The forced centering mark is a measurement mark.

[0015] The forced installer comprises a central disk (101), three arms (103), the three arms are evenly spaced and fixedly arranged outside the central disk and are in the same plane as the central disk, the connection part is longitudinally arranged at the end away from the center of the forced installer and is fixedly connected to the end, the connection part comprises three groups, each group comprises a pillar (111), a stud (105) and a nut (106), wherein the outer side of the disk (101) is fixedly connected to one end of the arm (103), the other end of the arm (103) is fixedly connected to the upper end of the pillar (111), and the lower end of the pillar (111) is fixedly connected to the upper end of the stud (105). The fixed connection method can be integrated, welded, rigidly connected or other connection methods. The forced installer and the GNSS observation pier steel mold are connected through a connection portion consisting of a support (111), a stud (105) and a nut (106). Specifically, the stud (105) passes through the top surface of the observation pier steel mold, and the nut (106) is threadedly installed on the stud (105), so that the support (111) and the nut (106) are located on the upper and lower sides of the top surface of the observation pier steel mold, and are used to clamp the top surface of the observation pier steel mold. Specifically, the cross-section of the support (111) and the nut (106) is larger than the cross-section of the stud (105), and is also larger than the cross-section of the stud passing through the through hole on the top surface of the observation pier steel mold. The stud is an external thread stud.

[0016] The center disk (101) of the forced installer (10) is a concentric ring, the inner diameter of the ring is 60mm, the outer diameter of the ring is 92mm, the distance between the geometric center of the cross section of the three pillars and the center of the disk is 234mm, the height of the three pillars (111) is the same, which can be 53mm, and is evenly distributed on the same circumference, the observation pier steel mold is a hollow cylinder, and the center of the circle surrounded by the through holes distributed on the circumference of the top surface of the observation pier steel mold for the stud 1 (105) to pass through is consistent with the geometric center of the top surface of the observation pier steel mold. The forced installer and the top surface of the observation pier steel membrane are forcibly fixed by stud 1 (105) and nut 1 (106), and after forced fixing, it is ensured that the geometric center of the measurement mark and the geometric center of the top surface of the observation pier steel mold and the center of the disk of the forced installer are located on the same plumb line.

[0017] The adapter (20) is connected to the forced centering mark (40) via the stud three (107), and the adapter (20) is connected to the forced installer (10) via the upper nut (108), the lower nut (109) and the stud two (110). The specific adapter may include 4 groups, each group including the upper nut (108), the lower nut (109), the stud two (110) and the stud three (107). The lower end of the stud two (110) and the upper end of the stud three (107) are fixedly connected. The fixed connection method may be integrally formed, welded, rigidly connected or other fixed connection methods. The stud three (107) is threadedly mounted on the forced centering mark (40), and the other end of the stud two (110) passes through the forced installer (10). The upper nut (108) and the lower nut (109) are threadedly mounted on the stud two (110), and are respectively located on the upper and lower sides of the forced installer (10) for clamping the forced installer (10). Each group of the adapters (20) is longitudinally arranged at a position close to the center of the forced installer. The four groups are arranged around the geometric center of the forced installer, and the four groups of adapters are located on the same circumference. The center of the circle formed around them is on the same plumb line with the geometric center of the measurement mark, the geometric center of the top surface of the observation pier steel mold, and the center of the disk of the forced installer.

[0018] The upper nut (108) and the lower nut (109) of the adapter are adjusted, and the forced centering mark is adjusted to a horizontal state and fits with the column pier surface.

[0019] The forced centering mark is installed by using the forced centering auxiliary installation device. After the forced centering mark is adjusted to a horizontal state and fits with the column pier surface, wait for the concrete column inside the steel membrane of the observation pier below the forced centering mark to completely solidify, remove the device in turn, and leave the forced centering mark in the observation pier.

[0020] It is obvious to those skilled in the art that the present invention is not limited to the details listed in the above examples. The fixed connection methods mentioned in the specification may be integrated, welded, rigidly connected or other connection methods. For those of ordinary skill in the art, other different forms of changes or modifications can be made on the basis of the above description. Any modifications, substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A geodetic forced centering auxiliary installation device, characterized in that: The forced centering auxiliary installation device comprises a forced installer (10), a switching part (20), and a GNSS observation pier steel mold (30); The forced installer (10) and the GNSS observation pier steel mold are connected via a connecting portion, wherein the connecting portion comprises a pillar (111), a stud (105) and a nut (106), wherein the bottom end of the pillar (111) is fixedly connected to the top end of the stud (105), the stud (105) passes through the top surface of the GNSS observation pier steel mold, and the nut (106) is threadedly installed on the stud (105), so that the pillar (111) and the nut (106) are located on the upper and lower sides of the top surface of the observation pier steel mold, and are used to clamp the top surface of the observation pier steel mold, and the top end of the connecting portion pillar (111) is fixedly connected to the forced installer (10); the forced centering mark (40) passes through the The adapter (20) is connected to the forced installer (10); the adapter (20) includes an upper nut (108), a lower nut (109), a second stud (110) and a third stud (107); the bottom end of the second stud (110) and the top end of the third stud (107) are fixedly connected; the third stud (107) is threadedly installed on the forced centering mark (40); the second stud (110) passes through the forced installer (10); the upper nut (108) and the lower nut (109) are threadedly installed on the second stud (110), and are respectively located on the upper and lower sides of the forced installer (10) for clamping the forced installer (10).

2. The forced centering auxiliary installation device according to claim 1, characterized in that: The connection parts are provided with three groups, and the connection parts are longitudinally fixedly installed at the end far away from the geometric center of the forced installer. The three groups of connection parts are evenly distributed on the same circumference, and the center of the circle is the same as the geometric center of the forced installer.

3. The forced centering auxiliary installation device according to claim 2 is characterized in that: The adapter has four groups, and the adapter is longitudinally arranged at a position close to the geometric center of the forced installer. The four groups of adapters are evenly distributed on the same circumference, and the center of the circle is located on the same plumb line as the geometric center of the top surface of the observation pier steel formwork and the geometric center of the forced installer.

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