RTK measuring rod device

Abstract

The utility model discloses an RTK measuring rod device, comprising a rod cylinder, a measuring rod slidably connected in the rod cylinder, three support telescopic rod assemblies hinged to the bottom of the rod cylinder along the circumferential direction, driving teeth arranged on the measuring rod, the driving teeth being engaged with a gear, the gear being rotatably connected to the rod cylinder, and the driving teeth being engaged with the gear. The rod cylinder is provided with a brake pin assembly, the brake pin assembly is used for braking the measuring rod, and the bottom end of the rod cylinder is provided with a counterweight assembly; the beneficial effects of the utility model are that the detachable counterweight assembly is designed below the measuring rod, thereby improving the stability and firmness of the measuring rod, and at the same time, the measuring rod telescoping structure of a gear rack structure and the brake pin assembly are designed, thereby enabling the telescoping operation of the measuring rod to be faster and more convenient, and improving the measuring accuracy. And the measuring rod still has a good braking function after being used for a long time, is long in service life and is worthy of wide-range popularization and application.

Description

Technical field:

[0001] The utility model relates to the technical field of RYK measuring rods, in particular to an RTK measuring rod device. Background technology:

[0002] Real-time kinematic positioning (RTK) is a satellite navigation technology. RTK is a measurement method that can obtain centimeter-level positioning accuracy in real time in the wild. The RTK measurement system is generally composed of the following three parts: GPS receiving equipment, data transmission equipment, and software system. The data transmission system is composed of the transmitting station of the base station and the receiving station of the mobile station. It is the key equipment for realizing real-time dynamic measurement. The receiving station of the mobile station is usually set at the top of a centering measuring rod. In order to facilitate signal reception, the length of the measuring rod is usually 2 to 3 meters. A tip is set at the bottom of the centering rod, which can be inserted into the ground for fixation. After a long period of use, it was found that the measuring rod still has the following shortcomings: 1. In the winter and spring seasons in Inner Mongolia, there are many windy days, and the strong wind causes the measuring rod to move easily, affecting the measurement; 2. The measuring rod is relatively long. The existing measuring rod generally adopts a pull-out telescopic structure. After the measuring rod is placed and set up, it is not convenient to pull out and retract it due to the height limit of the person. At the same time, due to repeated pulling and pulling, the measuring rod is easy to loosen and cannot be braked, and the service life is short. Utility model content:

[0003] The utility model aims to provide an RTK measuring rod device to solve the technical problems in the prior art that the RYK measuring rod is not firmly fixed, is easily blown by the wind, is inconvenient to pull out and extend, and the measuring rod is easy to loosen, resulting in a short service life.

[0004] The content of the utility model: An RTK measuring rod device, which includes a rod barrel, a measuring rod is slidably connected in the rod barrel, three supporting telescopic rod assemblies are hinged in the circumferential direction at the bottom of the rod barrel, driving teeth are arranged on the measuring rod, the driving teeth are meshed with gears, the gears are rotatably connected to the rod barrel, a brake pin assembly is installed on the rod barrel, the brake pin assembly is used to brake the measuring rod, and a counterweight assembly is installed at the bottom end of the rod barrel.

[0005] Furthermore, the supporting telescopic rod assembly comprises a supporting rod, the supporting rod is hinged to the rod tube, a telescopic rod is threaded inside the supporting rod, and the end of the supporting rod is in a pointed cone shape.

[0006] Furthermore, the brake pin assembly includes a brake pin, a brake tube is connected to the rod barrel, the brake tube is communicated with the rod barrel, the brake pin is slidably connected in the brake tube, a plurality of V-grooves are opened on the measuring rod, the end of the brake pin is adapted to the shape of the V-grooves, and a compression spring is installed on the brake tube, and the compression spring provides an inward elastic force to the brake pin.

[0007] Furthermore, a limit groove is provided on the brake pipe, a limit plate is connected to the brake pin, the limit plate is slidably connected to the limit groove, a compression spring is connected to the limit plate, and the compression spring is located in the limit groove.

[0008] Furthermore, the angle of the V-shaped groove is greater than.

[0009] Furthermore, the counterweight assembly includes a folding barrel, a sling is connected to the folding barrel, a hook is installed at the bottom end of the rod tube, and the sling is hung on the hook.

[0010] Furthermore, a level-adjusting water bubble is installed on the rod barrel.

[0011] Furthermore, a crank is installed on the gear.

[0012] The beneficial effects of the utility model are as follows: the utility model designs a detachable counterweight assembly under the measuring rod, thereby improving the stability and firmness of the measuring rod. At the same time, the measuring rod telescopic structure and brake pin assembly of the gear rack structure are designed to make the telescopic operation of the measuring rod faster and more convenient. The measuring rod still has a good braking function after long-term use and has a long service life, and is worthy of large-scale promotion and use. Description of the drawings:

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0016] In the figure, the measuring rod 1, the rod tube 2, the driving teeth 3, the gear 4, the crank 5, the support rod 6, the telescopic rod 7, the folding barrel 8, the hook 9, the V-shaped groove 10, the brake pin 11, the brake pipe 12, the limit plate 13, the compression spring 14, the limit groove 15, and the bubble 16. Specific implementation method:

[0017] like Figure 1 , Figure 3As shown, an RTK measuring rod device includes a rod barrel 2, in which a measuring rod 1 is slidably connected, and three supporting telescopic rod assemblies are hinged at the bottom of the rod barrel 2 along the circumferential direction. A driving tooth 3 is arranged on the measuring rod 1, and the driving tooth 3 is meshed with a gear 4. The gear 4 is rotatably connected to the rod barrel 2, and a crank 5 is installed on the gear 4. The crank 5 is convenient for operating the gear rotation. A brake pin assembly is installed on the rod barrel 2, and the brake pin assembly is used to brake the measuring rod 1. A counterweight assembly is installed at the bottom end of the rod barrel 2, and the counterweight assembly is used to increase the weight so that the placement and fixation of the utility model are more secure.

[0018] like Figure 1 As shown, the supporting telescopic rod assembly includes a supporting rod 6, the supporting rod 6 is hinged to the rod barrel 2, a telescopic rod 7 is threaded inside the supporting rod 6, the end of the supporting rod 6 is a pointed cone, and a horizontal adjustment bubble 16 is installed on the rod barrel 2, and the bubble 16 is used to level the utility model.

[0019] like Figure 2 and Figure 3 As shown, the brake pin assembly includes a brake pin 11, a brake tube 12 is connected to the rod barrel 2, the brake tube 12 is communicated with the rod barrel 2, the brake pin 11 is slidably connected in the brake tube 12, a plurality of V-grooves 10 are provided on the measuring rod 1, the end of the brake pin 11 is adapted to the shape of the V-groove 10, a compression spring 14 is installed on the brake tube 12, the compression spring 14 provides an inward elastic force to the brake pin 11; a limiting groove 15 is provided on the brake tube 12, a limiting plate 13 is connected to the brake pin 11, the limiting plate 13 is slidably connected to the limiting groove 15, a compression spring 14 is connected to the limiting plate 13, the compression spring 14 is located in the limiting groove 15, the angle of the V-groove 10 is 150°, so that the brake pin 11 can enter and slide out of the V-groove 10 easily.

[0020] like Figure 1 and Figure 2 As shown, the counterweight assembly includes a folding barrel 8, a sling is connected to the folding barrel 8, a hook 9 is installed at the bottom end of the rod tube 2, and the sling is hung on the hook 9.

[0021] When in use, unfold the support rod 6, insert the telescopic rod 7 into the ground, then hang the folding bucket 8 on the hook 9, take mud and sand on the spot and put it into the folding bucket 8 to increase the weight of the utility model, so that the telescopic rod 7 can be inserted deeper into the ground to prevent it from being blown by strong wind. When it is necessary to adjust the height of the measuring rod 1, the measuring rod 1 can be raised or lowered by shaking the handle 5. When the brake pin 11 enters the V-groove 10, the braking is completed to ensure that the measuring rod 1 is stable and not loose.

[0022] The above are only preferred examples of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An RTK measuring rod device, characterized in that: It comprises a rod barrel (2), a measuring rod (1) is slidably connected inside the rod barrel (2), three supporting telescopic rod assemblies are hinged at the bottom of the rod barrel (2) in a circumferential direction, a driving tooth (3) is arranged on the measuring rod (1), the driving tooth (3) is meshed with a gear (4), the gear (4) is rotatably connected to the rod barrel (2), a brake pin assembly is installed on the rod barrel (2), the brake pin assembly is used to brake the measuring rod (1), and a counterweight assembly is installed at the bottom end of the rod barrel (2).

2. The RTK measuring rod device according to claim 1, characterized in that: The supporting telescopic rod assembly comprises a supporting rod (6), wherein the supporting rod (6) is hinged to the rod tube (2), a telescopic rod (7) is threadedly connected inside the supporting rod (6), and the end of the supporting rod (6) is in a pointed cone shape.

3. The RTK measuring rod device according to claim 1, characterized in that: The brake pin assembly comprises a brake pin (11), a brake tube (12) is connected to the rod tube (2), the brake tube (12) is communicated with the rod tube (2), the brake pin (11) is slidably connected in the brake tube (12), a plurality of V-shaped grooves (10) are provided on the measuring rod (1), the end of the brake pin (11) is adapted to the shape of the V-shaped grooves (10), a compression spring (14) is installed on the brake tube (12), and the compression spring (14) provides an inward elastic force to the brake pin (11).

4. The RTK measuring rod device according to claim 3, characterized in that: A limit groove (15) is provided on the brake pipe (12), a limit plate (13) is connected to the brake pin (11), the limit plate (13) is slidably connected to the limit groove (15), a compression spring (14) is connected to the limit plate (13), and the compression spring (14) is located in the limit groove (15).

5. The RTK measuring rod device according to claim 3, characterized in that: The angle of the V-shaped groove (10) is greater than 120°.

6. The RTK measuring rod device according to claim 1, characterized in that: The counterweight assembly comprises a folding barrel (8), a hanging belt is connected to the folding barrel (8), a hook (9) is installed at the bottom end of the rod tube (2), and the hanging belt is hung on the hook (9).

7. The RTK measuring rod device according to claim 1, characterized in that: A level-adjusting water bubble (16) is installed on the rod barrel (2).

8. The RTK measuring rod device according to claim 1, characterized in that: A crank (5) is mounted on the gear (4).

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