Measuring device for municipal public building

Abstract

The utility model relates to the technical field of measuring devices, and discloses a measuring device for municipal public buildings, which comprises a centering rod and a municipal RTK measuring instrument, the centering rod comprises a bottom branch pipe and a telescopic rod, the telescopic rod is telescopically and movably connected with the bottom branch pipe, the bottom of the bottom branch pipe is fixedly provided with a rod head, and the upper part of the bottom branch pipe is provided with a locking pipe clamp; a first stud is fixedly connected to the upper end of the telescopic rod, an inner nut is arranged at the bottom of the RTK measuring instrument, and the first stud is in threaded connection with the inner nut. An upper baffle ring and a lower baffle ring are fixedly connected to the upper portion of the telescopic rod, external threads are arranged on the outer wall of the telescopic rod between the upper baffle ring and the lower baffle ring, the telescopic rod is in threaded connection with a protective cover through the external threads, the inner wall diameter of the protective cover is matched with the outer wall diameter of the upper baffle ring, and an abutting ring is arranged at the top of the protective cover. According to the utility model, the stud I for connecting the centering rod and the RTK measuring instrument can be protected, so that the thread I is prevented from being damaged or inclined due to collision.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring devices, in particular to a measuring device for municipal public buildings. Background Art

[0002] Municipal public buildings can be divided into residential buildings, industrial buildings, public utility buildings, storage buildings, and municipal public utility buildings according to their functions. Since this classification has a wide range, it can be further subdivided according to their geographical location. It can be divided according to administrative management, such as residential buildings in Wuhan, which can be divided into residential buildings in the following districts, such as residential buildings in Wuchang District.

[0003] Among them, in the installation of municipal public buildings, accurate measuring devices are required for measurement and positioning. The existing commonly used municipal measuring device is the RTK measuring instrument. The existing RTK measuring instrument protects the measuring host and the centering rod, and the measuring host is connected to the threaded column of the centering rod through an internal nut, so that the measuring host is installed on the centering rod, and then disassembled and stored after measurement. When the above-mentioned centering rod is disassembled and stored, the threaded column of the centering rod lacks a protective device, so that the threaded column is easy to bump and cause damage to the thread and even tilt of the threaded column, thereby affecting the installation and measurement accuracy of the later measuring host. In order to solve the above-mentioned problems, a measuring device for municipal public buildings is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a measuring device for municipal public buildings in order to solve the above-mentioned problems.

[0005] The technical solution adopted by the utility model is as follows: a measuring device for municipal public buildings, comprising a centering rod and a municipal RTK measuring instrument, the centering rod comprising a bottom branch pipe and a telescopic rod, the telescopic rod being telescopically connected to the bottom branch pipe, a rod head being fixedly installed at the bottom of the bottom branch pipe, a locking pipe clamp being installed at the upper part of the bottom branch pipe, a stud 1 being fixedly connected at the upper end of the telescopic rod, an inner nut being arranged at the bottom of the RTK measuring instrument, and the stud 1 being threadedly connected to the inner nut;

[0006] An upper retaining ring and a lower retaining ring are fixedly connected to the upper part of the telescopic rod, an external thread is provided on the outer wall of the telescopic rod between the upper retaining ring and the lower retaining ring, the telescopic rod is threadedly connected to a shield via the external thread, the inner wall diameter of the shield is adapted to the outer wall diameter of the upper retaining ring, and a retaining ring is provided on the top of the shield.

[0007] In a preferred embodiment, a scale mark is provided on the outer wall of the telescopic rod.

[0008] In a preferred embodiment, a second stud is fixedly connected to the rod head, a threaded hole is formed at the lower end of the bottom branch pipe, and the threaded hole is threadedly connected to the second stud.

[0009] In a preferred embodiment, a horizontal bubble is provided on the locking tube clamp.

[0010] In a preferred embodiment, the outer wall of the shield is provided with hand-held anti-slip patterns.

[0011] In a preferred embodiment, the upper surface of the retaining ring is provided with retaining and anti-slip grooves.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] 1. In the present invention, after the measurement is completed, the personnel can rotate the protective cover upward to cover the stud one, thereby protecting the stud one and avoiding collisions that may cause thread damage or tilting, thereby affecting the subsequent installation and detection accuracy of the RTK measuring instrument.

[0014] 2. In the utility model, when installing the RTK measuring instrument, the personnel can rotate the shield upward so that the butt ring can be pressed against the bottom of the RTK measuring instrument, thereby locking the position of the RTK measuring instrument. The friction between the butt ring and the RTK measuring instrument can be used to prevent the RTK measuring instrument from loosening during use as much as possible, thereby improving the installation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram showing the decomposition structure of the utility model;

[0017] Figure 3 It is a schematic diagram showing the three-dimensional structure of the protective cover in the utility model.

[0018] Markings in the figure: 1-centering rod, 2-RTK measuring instrument, 3-bottom branch pipe, 4-telescopic rod, 5-rod head, 6-locking pipe clamp, 7-stud one, 8-inner nut, 9-upper retaining ring, 10-lower retaining ring, 11-external thread, 12-protective cover, 13-retaining ring, 14-scale mark, 15-stud two, 16-threaded hole, 17-level bubble, 18-handheld anti-slip pattern, 19-tight anti-slip pattern. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The following will be combined Figure 1-Figure 3 A measuring device for municipal public buildings according to an embodiment of the utility model is described in detail.

[0021] Example:

[0022] The utility model provides a measuring device for municipal public buildings, referring to Figures 1 to 3 As shown, it includes a centering rod 1 and a municipal RTK measuring instrument 2. The centering rod 1 includes a bottom branch pipe 3 and a telescopic rod 4. The telescopic rod 4 is telescopically connected to the bottom branch pipe 3. A rod head 5 is fixedly installed at the bottom of the bottom branch pipe 3. A locking pipe clamp 6 is installed on the upper part of the bottom branch pipe 3. A stud 7 is fixedly connected to the upper end of the telescopic rod 4. An inner nut 8 is provided at the bottom of the RTK measuring instrument 2. The stud 7 is threadedly connected to the inner nut 8. This structure includes the rod head 5, the bottom branch pipe 3, the telescopic tube 4 and the locking pipe clamp 6 to form a supporting structure of the RTK measuring instrument 2, and the telescopic rod 4 is connected to the inner nut 8 of the RTK measuring instrument 2 through the stud 7, so that the RTK measuring instrument 2 is fixed on the telescopic rod 4, thereby forming a measuring device for municipal public buildings.

[0023] It should be noted that: the RTK measuring instrument 2 is an existing measuring device, specifically the model RTK-A30, and the locking pipe clamp 6 is an existing structure, the specific structure has been disclosed, and the detailed structure can be referred to patents CN 209910675U and CN 209910675 U. This application does not improve the locking pipe clamp, so it will not be introduced in detail here.

[0024] refer to Figures 1 to 3 As shown, an external thread 11 is provided on the outer wall of the telescopic rod 4, and the telescopic rod 4 is threadedly connected with a shield 12 through the external thread 11. The inner wall diameter of the shield 12 is adapted to the outer wall diameter of the upper retaining ring 9, and a retaining ring 13 is provided on the top of the shield 12. When the RTK measuring instrument 2 and the telescopic rod 4 are disassembled and stored in this structure, the personnel can rotate the shield 12 on the telescopic rod 4, and the stud 7 can be covered by the shield 12, so as to protect the stud 7 and avoid damage or tilt of the thread caused by collision, thereby affecting the installation and detection accuracy of the RTK measuring instrument 2 in the later stage

[0025] When installing the RTK measuring instrument 2, the personnel can unscrew the protective cover 12, and then connect the RTK measuring instrument 2 to the stud 7, and then rotate the protective cover 12 upward, so that the retaining ring 13 presses against the bottom of the RTK measuring instrument 2, thereby locking the position of the RTK measuring instrument 2, and utilizing the friction between the retaining ring 13 and the RTK measuring instrument 2 to prevent the RTK measuring instrument 2 from loosening during use as much as possible, thereby improving the installation stability.

[0026] refer to Figures 1 to 3 As shown, an upper stop ring 9 and a lower stop ring 10 are fixedly connected to the upper portion of the telescopic rod 4. This structure uses the upper stop ring 9 and the lower stop ring 10 to limit the position of the shield 12 moving up and down.

[0027] refer to Figures 1 to 3 As shown, a scale mark 14 is provided on the outer wall of the telescopic rod 4 , and this structure uses the scale mark 14 to display the use height of the centering rod 1 .

[0028] refer to Figures 1 to 3 As shown, a second stud 15 is fixedly connected to the rod head 5, and a threaded hole 16 is opened at the lower end of the bottom branch pipe 3, and the threaded hole 16 is threadedly connected to the second stud 15. In this structure, the rod head 5 is connected to the bottom threaded hole 16 of the bottom branch pipe 3 through the second stud 15, thereby connecting the rod head 5 to the bottom branch pipe 3. The reverse operation can be used to disassemble and replace the rod head 5.

[0029] refer to Figures 1 to 3 As shown, a level bubble 17 is provided on the locking pipe clamp 6 . This structure uses the level bubble 17 to facilitate personnel to control the use level of the RTK measuring instrument 2 .

[0030] refer to Figures 1 to 3 As shown, the outer wall of the shield 12 is provided with hand-held anti-skid grooves 18 , and the hand-held anti-skid grooves 18 of this structure prevent the shield 12 from slipping when rotating.

[0031] refer to Figures 1 to 3 As shown, abutment and anti-skid patterns 19 are provided on the upper surface of the butt ring 13 . This structure utilizes the buttment and anti-skid patterns 19 to increase the locking friction between the butt ring 13 and the RTK measuring instrument 2 .

[0032] It should be noted that the measuring equipment disclosed in the above-mentioned embodiment is used for measuring municipal public buildings and belongs to the field of municipal engineering measuring equipment.

[0033] The implementation principle of a municipal public building measurement device of the embodiment of the present application is as follows: when assembling and using the detection equipment, the personnel rotate the protective cover 12 downward, and then the personnel first connect the RTK measuring instrument 2 with the stud 7 of the telescopic rod 4 through the inner nut 8, and then the personnel rotate the protective cover 12 upward to make the ring 13 press against the bottom of the RTK measuring instrument 2, so as to lock the position of the RTK measuring instrument 2, and then the personnel lift the telescopic rod 4 upward, so as to extend the telescopic rod 4 from the bottom branch pipe 3 and extend it to a specified height, and then use the locking pipe clamp 6 to lock the position of the telescopic rod 4, and then the personnel can insert the rod head 5 into the measurement position, and adjust the level of the RTK measuring instrument 2 through the level bubble 17, and then use the RTK measuring instrument 2 to accurately measure;

[0034] When the measurement is completed, the personnel first rotate the protective cover 12 downward to loosen it, and then the personnel disassemble the RTK measuring instrument 2, and then the personnel rotate the protective cover 12 upward to cover the stud 7 with the protective cover 12 to protect the stud 7, and then the personnel retract the telescopic rod 4 into the bottom branch pipe 3 to store the centering rod 1.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A measuring device for municipal public buildings, comprising a centering rod (1) and a municipal RTK measuring instrument (2), characterized in that: The centering rod (1) comprises a bottom branch pipe (3) and a telescopic rod (4), the telescopic rod (4) being telescopically connected to the bottom branch pipe (3), a rod head (5) being fixedly mounted on the bottom of the bottom branch pipe (3), a locking pipe clamp (6) being mounted on the top of the bottom branch pipe (3), a stud (7) being fixedly connected to the upper end of the telescopic rod (4), an inner nut (8) being arranged at the bottom of the RTK measuring instrument (2), and the stud (7) being threadedly connected to the inner nut (8); An upper retaining ring (9) and a lower retaining ring (10) are fixedly connected to the upper portion of the telescopic rod (4); an external thread (11) is provided on the outer wall of the telescopic rod (4) between the upper retaining ring (9) and the lower retaining ring (10); the telescopic rod (4) is threadedly connected to a protective cover (12) via the external thread (11); the inner wall diameter of the protective cover (12) is adapted to the outer wall diameter of the upper retaining ring (9); and a retaining ring (13) is provided on the top of the protective cover (12).

2. A measuring device for municipal public buildings as claimed in claim 1, characterized in that: The outer wall of the telescopic rod (4) is provided with a scale mark (14).

3. A measuring device for municipal public buildings as claimed in claim 1, characterized in that: The rod head (5) is fixedly connected with a second stud (15), and the lower end of the bottom branch pipe (3) is provided with a threaded hole (16), and the threaded hole (16) is threadedly connected with the second stud (15).

4. A measuring device for municipal public buildings as claimed in claim 1, characterized in that: The locking pipe clamp (6) is provided with a horizontal bubble (17).

5. A measuring device for municipal public buildings as claimed in claim 1, characterized in that: The outer wall of the protective cover (12) is provided with hand-held anti-slip patterns (18).

6. A measuring device for municipal public buildings as claimed in claim 1, characterized in that: The upper surface of the retaining ring (13) is provided with retaining and anti-slip grooves (19).

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