Telescopic triangular rule provided with gradienter and used for measuring height of GNSS (Global Navigation Satellite System) antenna

Abstract

A telescopic triangular ruler provided with a gradienter and used for measuring the height of a GNSS antenna comprises a first measuring edge, a second measuring edge and a supporting edge, the first measuring edge comprises a first half edge and a second half edge, the supporting edge comprises a first supporting half edge and a second supporting half edge, and the upper end of the first half edge is connected with the left end of the second measuring edge. The first half side is connected with the second half side through a first telescopic block, the lower end of the second half side is connected with the lower end of the second supporting half side, the second supporting half side is connected with the first supporting half side through a second telescopic block, the upper end of the first supporting half side is connected with the right end of the second measuring side, and the first measuring side and the second measuring side are both provided with gradienters. When the first measurement edge is used for measurement, whether the measurement result is the vertical height can be judged by observing the gradienter of the second measurement edge; similarly, when the second measuring edge is used for measuring, the gradienter of the first measuring edge is observed. Therefore, the device is simple and convenient to measure and operate, high in precision, small in size, easy to carry and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a set of level measuring GNSS antenna height telescopic ruler belongs to the field of measuring tools, especially to a set of level measuring GNSS antenna height telescopic ruler. BACKGROUND

[0002] After the installation of GNSS antenna and other equipment, the vertical height of GNSS antenna to the base needs to be accurately measured, which is crucial to improve the positioning accuracy. However, the base of GNSS antenna installation is not completely horizontal, and the height of GNSS antenna from the base is not the same, so when measuring the vertical height of the antenna to the base, a special measuring instrument is usually selected for measurement. However, the measuring instrument is usually valuable and bulky, which is not convenient to carry. Moreover, the measurement is usually carried out outdoors or in complex environments, so there are application inconvenience problems in using the measuring instrument to measure the height of the antenna.

[0003] The utility model with the application number 202020800606.4 and the application date of May 14, 2020 discloses a tool for accurately measuring the height of GNSS receiver instrument, which includes a receiver body and a support. The installation support includes a support table and a support leg. The bottom surface of the support table is fixed with a laser range finder. The upper end surface edge of the support table is provided with a level. The receiver body includes a hemispherical cover. The bottom end of the hemispherical cover is provided with a GNSS receiver installation cylinder. The GNSS receiver installation cylinder is provided with an installation plate. The center of the installation plate is provided with an installation through hole. The installation through hole is provided with a GNSS receiver in gap cooperation with the installation through hole. The two ends of the installation through hole on the installation plate are provided with screw holes. The upper end of the GNSS receiver is provided with a fixing plate for limiting the GNSS receiver. The fixing plate is provided with a fixing plate through hole matched with the screw hole. The fixing plate is provided with a bolt passing through the fixing plate through hole and matched with the screw hole. Although the utility model improves the accuracy of measuring the height of GNSS receiver instrument, it still has the following defects:

[0004] The utility model has the problem of application inconvenience when measuring the vertical height of the antenna to the base.

[0005] The information disclosed in this background section is intended only to increase an understanding of the general background of the application and is not admitted to be prior art in any form, nor is it considered to be relevant to the patentability of the application. SUMMARY

[0006] The utility model aims at overcoming the application inconvenience problem of the existing measuring instrument for measuring the vertical height of GNSS antenna, and provides a set of level measuring GNSS antenna height telescopic ruler which is convenient to apply when measuring the vertical height of GNSS antenna.

[0007] To achieve the above object, the technical solution of the utility model is:

[0008] A telescopic triangular ruler for measuring GNSS antenna height with a level, the triangular ruler comprises a first measuring edge, a second measuring edge and a supporting edge, the first measuring edge comprises a first half edge and a second half edge, the supporting edge comprises a first supporting half edge and a second supporting half edge, the upper end of the first half edge is connected with the left end of the second measuring edge, the lower end of the first half edge is connected with the upper end of the second half edge through a first telescopic block, the lower end of the second half edge is connected with the lower end of the second supporting half edge, the upper end of the second supporting half edge is connected with the lower end of the first supporting half edge through a second telescopic block, the upper end of the first supporting half edge is connected with the right end of the second measuring edge, a first level is arranged on the first measuring edge, and a second level is arranged on the second measuring edge.

[0009] The upper end of the first telescopic block is fixedly connected with the lower end of the first half edge, and the first telescopic block is connected with the second half edge through a first locking screw.

[0010] The upper end of the second half edge is provided with a first accommodating space, the first telescopic block is located in the first accommodating space, a first sliding groove is arranged in the middle of the first telescopic block, and the screw rod of the first locking screw passes through the upper end of the second half edge and the first sliding groove of the first telescopic block to connect the second half edge and the first telescopic block.

[0011] The upper end of the second telescopic block is fixedly connected with the lower end of the first supporting half edge, and the second telescopic block is connected with the second supporting half edge through a second locking screw.

[0012] The upper end of the second supporting half edge is provided with a second accommodating space, the second telescopic block is located in the second accommodating space, a second sliding groove is arranged in the middle of the second telescopic block, and the screw rod of the second locking screw passes through the upper end of the second supporting half edge and the second sliding groove of the second telescopic block to connect the second supporting half edge and the second telescopic block.

[0013] The first level is inlaid on the first half edge, and the second level is inlaid in the middle of the second measuring edge.

[0014] A first scale line is arranged on the first measuring edge, and a second scale line is arranged on the second measuring edge.

[0015] A first telescopic block scale line is arranged on the first telescopic block, and a second telescopic block scale line is arranged on the second telescopic block.

[0016] The maximum measuring length of the first telescopic block scale line and the second telescopic block scale line is 5 cm.

[0017] The upper end right side of the first half edge is connected with the left end of the second measuring edge, and the first half edge and the second measuring edge are perpendicular.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] 1, the utility model discloses a telescopic triangular ruler of measuring GNSS antenna height equipped with level, including first measurement edge, second measurement edge, support edge, first measurement edge includes first half, second half, and support edge includes first support half, second support half, the upper end of first half is connected with the left end of second measurement edge, and the lower end of first half is connected with the upper end of second half through first expansion block, and the lower end of second half is connected with the lower end of second support half, and the upper end of second support half is connected with the lower end of first support half through second expansion block, and the upper end of first support half is connected with the right end of second measurement edge, and first level is provided on first measurement edge, and second level is provided on second measurement edge, if using first measurement edge to measure the perpendicular height of antenna to base, directly sticking first measurement edge to the connecting device between antenna and base, then only need to judge whether horizontal through observing second level on second measurement edge, to ensure that the measurement result of first measurement edge is the perpendicular height of antenna to base, and if using second measurement edge to measure the perpendicular height of antenna to base, only need to observe first level bubble on first measurement edge, therefore, the utility model not only is simple and convenient, high in precision, and compared with measuring instrument, the utility model is small in size, convenient to carry and use, thereby being convenient to apply in actual measurement.

[0020] 2, the utility model discloses a telescopic triangular ruler of measuring GNSS antenna height equipped with level, first scale line is provided on first measurement edge, and second scale line is provided on second measurement edge, and the maximum measurement length of first scale line is 10cm, and the maximum measurement length of second scale line is 5cm, and first expansion block scale line is provided on first expansion block, and second expansion block scale line is provided on second expansion block, and the maximum measurement length of first expansion block scale line, second expansion block scale line is 5cm. When using, the design of the measurement length of first scale line, second scale line has universality, and is more suitable for the range of real perpendicular height between GNSS antenna and base in reality, and according to actual needs, the maximum measurement length of first measurement edge can be increased by stretching first expansion block. Therefore, the measurement range of the utility model is adapted to the range of real perpendicular height between antenna and base, and high in universality. ACCURACY

[0021] Figure 1 It is the structure schematic diagram of the utility model.

[0022] Figure 2 It is Figure 1 The structure schematic diagram of first expansion block, second expansion block in the utility model after dismounting.

[0023] Figure 3 is Figure 1 the structure diagram of the first telescopic block in

[0024] Figure 4 is Figure 1 the structure diagram of the second telescopic block in

[0025] Figure 5 is the application diagram of the utility model for measuring the vertical height of GNSS antenna from the base in embodiment 1.

[0026] Figure 6 is the application diagram of the locking screw and telescopic block in embodiment 2.

[0027] Figure 7 is the application diagram of the pointed screw and telescopic block in embodiment 3.

[0028] In the figure: first measuring edge 1, first half edge 11, first level 111, second half edge 12, first containing space 121, second measuring edge 2, second level 21, support edge 3, first support half edge 31, second support half edge 32, second containing space 321, first telescopic block 4, first sliding groove 41, second telescopic block 5, second sliding groove 51, first locking screw 6, first threaded hole 61, second locking screw 7, second threaded hole 71, GNSS antenna 8, connecting rod 81, base 82, pointed screw 9. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in the following combining with the description and specific embodiment of the drawings.

[0030] Referring to Figure 1 — Figure 7 , a telescopic triangle ruler with level for measuring the height of GNSS antenna, the triangle ruler includes first measuring edge 1, second measuring edge 2, support edge 3, the first measuring edge 1 includes first half edge 11, second half edge 12, the support edge 3 includes first support half edge 31, second support half edge 32, the upper end of first half edge 11 is connected with the left end of second measuring edge 2, and the lower end of first half edge 11 is connected with the upper end of second half edge 12 by first telescopic block 4, the lower end of second half edge 12 is connected with the lower end of second support half edge 32, the upper end of second support half edge 32 is connected with the lower end of first support half edge 31 by second telescopic block 5, and the upper end of first support half edge 31 is connected with the right end of second measuring edge 2, first level 111 is arranged on the first measuring edge 1, and second level 21 is arranged on the second measuring edge 2.

[0031] the upper end of first telescopic block 4 is fixedly connected with the lower end of first half edge 11, and first telescopic block 4 is connected with second half edge 12 by first locking screw 6.

[0032] The upper end of the second half edge 12 is provided with a first accommodating space 121, the first telescopic block 4 is located in the first accommodating space 121, a first sliding groove 41 is arranged in the middle of the first telescopic block 4, and the screw rod of the first locking screw 6 passes through the upper end of the second half edge 12 and the first sliding groove 41 of the first telescopic block 4 to connect the second half edge 12 and the first telescopic block 4.

[0033] The upper end of the second telescopic block 5 is fixedly connected with the lower end of the first supporting half edge 31, and the second telescopic block 5 is connected with the second supporting half edge 32 through the second locking screw 7.

[0034] The upper end of the second supporting half edge 32 is provided with a second accommodating space 321, the second telescopic block 5 is located in the second accommodating space 321, a second sliding groove 51 is arranged in the middle of the second telescopic block 5, and the screw rod of the second locking screw 7 passes through the upper end of the second supporting half edge 32 and the second sliding groove 51 of the second telescopic block 5 to connect the second supporting half edge 32 and the second telescopic block 5.

[0035] The first level meter 111 is inlaid on the first half edge 11, and the second level meter 21 is inlaid in the middle of the second measuring edge 2.

[0036] The first measuring edge 1 is provided with a first scale line, and the second measuring edge 2 is provided with a second scale line.

[0037] The first telescopic block 4 is provided with a first telescopic block scale line, and the second telescopic block 5 is provided with a second telescopic block scale line.

[0038] The maximum measuring length of the first telescopic block scale line and the second telescopic block scale line is 5cm.

[0039] The upper end of the first half edge 11 is connected with the left end of the second measuring edge 2 on the right side, and the first half edge 11 is perpendicular to the second measuring edge 2.

[0040] The supplementary technical features of the utility model are as follows:

[0041] In the design, the second half edge 12 is provided with a first threaded hole 61 matched with the first locking screw 6, the second supporting half edge 32 is provided with a second threaded hole 71 matched with the second locking screw 7, the first threaded hole 61 is communicated with the first accommodating space 121, and the second threaded hole 71 is communicated with the second accommodating space 321.

[0042] In the design, the maximum measuring length of the first scale line is 10cm, and the maximum measuring length of the second scale line is 5cm. Embodiment 1

[0043] Referring to Figure 1 —Figure 5 A telescopic triangular ruler for measuring the height of a GNSS antenna, comprising a first measuring edge 1, a second measuring edge 2, and a supporting edge 3, the first measuring edge 1 comprising a first half edge 11 and a second half edge 12, the supporting edge 3 comprising a first supporting half edge 31 and a second supporting half edge 32, the upper end of the first half edge 11 being connected to the left end of the second measuring edge 2, the lower end of the first half edge 11 being connected to the upper end of the second half edge 12 through a first telescopic block 4, the lower end of the second half edge 12 being connected to the lower end of the second supporting half edge 32, the upper end of the second supporting half edge 32 being connected to the lower end of the first supporting half edge 31 through a second telescopic block 5, the upper end of the first supporting half edge 31 being connected to the right end of the second measuring edge 2, the first measuring edge 1 being provided with a first level 111, and the second measuring edge 2 being provided with a second level 21.

[0044] In use, if the first measuring edge 1 is used to measure the vertical height of the GNSS antenna 8 to the base 82, the first measuring edge 1 is directly attached to the connecting rod 81, and then the bubble in the second level 21 on the second measuring edge 2 is observed to determine whether it is in the central position. If the bubble is in the central position, the second measuring edge 2 is horizontal, and thus the measurement result of the first measuring edge 1 is the vertical height of the antenna to the base. Similarly, if the second measuring edge 2 is used to measure the vertical height of the GNSS antenna 8 to the base 82, the first level 111 on the first measuring edge 1 is observed to determine whether it is horizontal, so as to determine whether the measurement result of the second measuring edge 2 is the vertical height of the GNSS antenna 8 to the base 82. Embodiment 2

[0045] The basic content is the same as that of Embodiment 1, except that:

[0046] Referring to Figure 6 the upper end of the first telescopic block 4 is fixedly connected to the lower end of the first half edge 11, the first telescopic block 4 is connected to the second half edge 12 through a first locking screw 6, the upper end of the second half edge 12 is provided with a first accommodating space 121, the first telescopic block 4 is located in the first accommodating space 121, a first sliding groove 41 is formed in the middle of the first telescopic block 4, and the shank of the first locking screw 6 passes through the upper end of the second half edge 12 and the first sliding groove 41 of the first telescopic block 4 to connect the second half edge 12 and the first telescopic block 4; the upper end of the second telescopic block 5 is fixedly connected to the lower end of the first supporting half edge 31, the second telescopic block 5 is connected to the second supporting half edge 32 through a second locking screw 7, the upper end of the second supporting half edge 32 is provided with a second accommodating space 321, the second telescopic block 5 is located in the second accommodating space 321, a second sliding groove 51 is formed in the middle of the second telescopic block 5, and the shank of the second locking screw 7 passes through the upper end of the second supporting half edge 32 and the second sliding groove 51 of the second telescopic block 5 to connect the second supporting half edge 32 and the second telescopic block 5.

[0047] In use, the diameter of the screw rod of the first locking screw 6 is greater than or equal to the width of the first sliding groove 41, and the diameter of the screw rod of the second locking screw 7 is greater than or equal to the width of the second sliding groove 51; when the length of the first measuring edge 1 needs to be increased, the first locking screw 6 and the second locking screw 7 are loosened, and then the first half edge 11 and the second half edge 12 are relatively far away from each other, the first telescopic block 4 slides out of the first accommodating space 121, and the second telescopic block 5 slides out of the second accommodating space 321; when the length of the first measuring edge 1 is increased to the required length, the first locking screw 6 and the second locking screw 7 are tightened, the screw rod of the first locking screw 6 abuts against or is clamped in the first sliding groove 41 to fix the first telescopic block 4, and the screw rod of the second locking screw 7 abuts against or is clamped in the second sliding groove 51 to fix the second telescopic block 5. Embodiment 3

[0048] The basic content is the same as that of Embodiment 2, except that:

[0049] Referring to Figure 7 , the first telescopic block 4 is connected with the second half edge 12 through the pointed screw 9, and the second telescopic block 5 is connected with the second support half edge 32 through the pointed screw 9.

[0050] In use, the diameter of the screw rod of the pointed screw 9 gradually increases from the pointed head to the nut, the diameter of the front end of the screw rod of the pointed screw 9 is less than the width of the first sliding groove 41 and the second sliding groove 51, and the diameter of the middle part of the screw rod of the pointed screw 9 is greater than the width of the first sliding groove 41 and the second sliding groove 51; when the length of the first measuring edge 1 needs to be increased, the two pointed screws 9 are loosened, and then the first half edge 11 and the second half edge 12 are relatively far away from each other, the first telescopic block 4 slides out of the first accommodating space 121, the second telescopic block 5 slides out of the second accommodating space 321, and the front ends of the screw rods of the two pointed screws 9 slide in the first sliding groove 41 and the second sliding groove 51 respectively; when the length of the first measuring edge 1 is increased to the required length, the two pointed screws 9 are tightened, so that the middle parts of the screw rods of the two pointed screws 9 are clamped in the first sliding groove 41 and the second sliding groove 51 respectively, to fix the first telescopic block 4 and the second telescopic block 5. Embodiment 4

[0051] The basic content is the same as that of Embodiment 1, except that:

[0052] The first measuring edge 1 is provided with a first scale line, and the second measuring edge 2 is provided with a second scale line, the maximum measuring length of the first scale line is 10 cm, and the maximum measuring length of the second scale line is 5 cm; the first telescopic block 4 is provided with a first telescopic block scale line, and the second telescopic block 5 is provided with a second telescopic block scale line, and the maximum measuring length of the first telescopic block scale line and the second telescopic block scale line is 5 cm.

[0053] When the vertical height of the antenna to the base is within 0-5 cm, the second measuring edge 2 is used for measurement; when the vertical height of the antenna to the base is within 5-10 cm, the first measuring edge 1 is used for measurement; when the vertical height of the antenna to the base is within 10-15 cm, the first telescopic block 4 is stretched to increase the measurement range of the first measuring edge 1, and then the first measuring edge 1 is used for measurement.

[0054] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments, but whatever equivalent modification or change made by the ordinary skilled in the art according to the disclosed content of the utility model should be included in the protection scope recorded in the claims.

Claims

1. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna, characterized in that: The triangle ruler includes a first measuring side (1), a second measuring side (2), and a supporting side (3). The first measuring side (1) includes a first half (11) and a second half (12). The supporting side (3) includes a first supporting half (31) and a second supporting half (32). The upper end of the first half (11) is connected to the left end of the second measuring side (2). The lower end of the first half (11) is connected to the upper end of the second half (12) through a first telescopic block (4). The lower end of the second half (12) is connected to the lower end of the second supporting half (32). The upper end of the second supporting half (32) is connected to the lower end of the first supporting half (31) through a second telescopic block (5). The upper end of the first supporting half (31) is connected to the right end of the second measuring side (2). A first level (111) is provided on the first measuring side (1), and a second level (21) is provided on the second measuring side (2).

2. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, characterized in that: The upper end of the first telescopic block (4) is fixedly connected to the lower end of the first half (11), and the first telescopic block (4) is connected to the second half (12) by the first locking screw (6).

3. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 2, characterized in that: The upper end of the second half (12) is provided with a first accommodating space (121), the first telescopic block (4) is located in the first accommodating space (121), the middle part of the first telescopic block (4) is provided with a first sliding groove (41), the screw of the first locking screw (6) passes through the upper end of the second half (12) and the first sliding groove (41) of the first telescopic block (4) to connect the second half (12) and the first telescopic block (4).

4. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, 2, or 3, characterized in that: The upper end of the second telescopic block (5) is fixedly connected to the lower end of the first support half (31), and the second telescopic block (5) and the second support half (32) are connected by the second locking screw (7).

5. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 4, characterized in that: The upper end of the second support half (32) is provided with a second accommodating space (321), the second telescopic block (5) is located in the second accommodating space (321), the middle part of the second telescopic block (5) is provided with a second sliding groove (51), and the screw of the second locking screw (7) passes through the upper end of the second support half (32) and the second sliding groove (51) of the second telescopic block (5) to connect the second support half (32) and the second telescopic block (5).

6. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, 2, or 3, characterized in that: The first level (111) is embedded in the first half (11), and the second level (21) is embedded in the middle of the second measuring side (2).

7. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, 2, or 3, characterized in that: The first measuring edge (1) is provided with a first scale line, and the second measuring edge (2) is provided with a second scale line.

8. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, 2, or 3, characterized in that: The first telescopic block (4) is provided with a first telescopic block scale line, and the second telescopic block (5) is provided with a second telescopic block scale line.

9. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 8, characterized in that: The maximum measurement length of the scale line of the first telescopic block and the scale line of the second telescopic block is 5cm.

10. A telescopic triangle ruler equipped with a level for measuring the height of a GNSS antenna according to claim 1, 2, or 3, characterized in that: The upper right side of the first half (11) is connected to the left side of the second measuring side (2), and the first half (11) is perpendicular to the second measuring side (2).

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