Portable RTK device

Abstract

The utility model relates to the technical field of RTK equipment, in particular to portable RTK equipment, which comprises an RTK host. The base is fixedly connected to the bottom of the RTK host; the at least three telescopic legs are obliquely arranged and are used for supporting and protecting the RTK host; the bottom end of the connecting rod is fixedly connected with the top end of the telescopic leg, the included angle between the connecting rod and the telescopic leg is an obtuse angle, and the length of the connecting rod is larger than the distance between the top face of the RTK host and the bottom face of the base; the lifting handle is fixed on the lower surface of the base; the hinge locking device is arranged between the top end of the connecting rod and the edge of the base, and the connecting rod can be overturned from the lower portion of the base to the upper portion of the base through the hinge locking device, so that the RTK host is surrounded by the connecting rod. According to the utility model, the anti-falling protection of the RTK host is realized, and the RTK host is convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of RTK equipment, in particular to a portable RTK equipment. Background Art

[0002] Carrier phase differential kinematics (RTK) is a method that processes the differential carrier phase observations of two measurement stations in real time. The carrier phase data collected by the base station is transmitted to the user receiver for coordinate calculation. This is a new and commonly used satellite positioning measurement method. Previous measurement methods such as static, rapid static, and dynamic post-processing require data processing to obtain highly accurate positioning results. RTK, however, is a measurement method that can achieve centimeter-level positioning accuracy in real time in the field. It utilizes a dynamic real-time differential method for carrier phase kinematics and is a major milestone in GPS application. Its emergence has brought new measurement principles and methods to various control measurements, such as engineering stakeout and topographic mapping.

[0003] Current RTK equipment usually consists of an RTK host and a tripod for supporting the RTK host. However, the current tripod can only support the RTK host during measurement. When the RTK device needs to be moved a short distance to change the measurement point, the staff will fold up the tripod and carry it to the designated measurement point. When the staff moves the RTK device, the entire device is high and inconvenient to move. It also cannot protect the RTK host, which can easily cause the RTK device to hit the ground and be damaged. Utility Model Content

[0004] The purpose of the present invention is to provide a portable RTK device to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a portable RTK device, comprising:

[0006] RTK host;

[0007] A base, the base being fixedly connected to the bottom of the RTK host;

[0008] At least three telescopic legs, each of which is tilted to support and protect the RTK host;

[0009] A connecting rod, the bottom end of which is fixedly connected to the top end of the telescopic leg, the angle between the connecting rod and the telescopic leg is an obtuse angle, and the length of the connecting rod is greater than the distance between the top surface of the RTK host and the bottom surface of the base;

[0010] a handle fixed to the lower surface of the base;

[0011] The hinged locking device is provided between the top end of the connecting rod and the edge of the base. The connecting rod can be flipped from the bottom of the base to the top of the base through the hinged locking device, so that the connecting rod surrounds the RTK host.

[0012] Preferably, the hinge locking device comprises a first fixing plate, a second fixing plate, a hinge plate, a hinge shaft and a locking shaft;

[0013] The first fixing plate and the second fixing plate are both fixedly connected to the base, and the second fixing plate is provided with a first through hole and a second through hole matching the locking shaft;

[0014] The hinge plate is fixed on the top of the connecting rod and is hinged between the first fixing plate and the second fixing plate through a hinge shaft. A third through hole matching the locking shaft is provided on the hinge plate.

[0015] Preferably, the articulated locking device also includes a screw and a first screw hole and a second screw hole opened on the first fixing plate and matching the screw, the screw is coaxially fixed to one end of the locking shaft, the first screw hole is coaxially arranged with the first through hole, and the second screw hole is coaxially arranged with the second through hole.

[0016] Preferably, a baffle is fixed to the other end of the locking shaft, and a twisting piece is fixed to the end of the baffle away from the locking shaft.

[0017] Preferably, the connecting rod is in the shape of a circular tube.

[0018] Preferably, the telescopic leg comprises an outer sleeve and an inner lining tube that are sleeved and slidably connected, and a locking member for locking the relative positions of the outer sleeve and the inner lining tube;

[0019] The top end of the outer sleeve is fixedly connected to the bottom end of the connecting rod, and the inner lining tube can extend from the bottom end of the outer sleeve.

[0020] Preferably, the locking member comprises a threaded rod and a nut threadedly sleeved on the outside of the threaded rod;

[0021] The outer sleeve has a peripheral wall provided with a strip-shaped hole extending along its axial direction;

[0022] One end of the threaded rod passes through the strip-shaped hole and is fixedly connected to the top of the liner pipe.

[0023] Preferably, the locking member further includes a friction plate, the threaded rod passes through the friction plate, and the friction plate is located between the nut and the outer sleeve.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] The utility model provides an articulated locking device, which enables the connecting rod to flip from the bottom of the base to the top of the base, so that the RTK host is surrounded by at least three connecting rods, thereby realizing anti-fall protection for the RTK host and improving the safety during the movement of the RTK equipment. At the same time, since the connecting rods are raised, the overall height of the RTK equipment can be reduced when it is carried and moved, thereby improving the convenience of carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of the telescopic legs of the utility model after extension;

[0027] Figure 2 This is a schematic diagram of the overall structure of the utility model after the telescopic legs are fully retracted;

[0028] Figure 3 This is a schematic diagram of the structure of the telescopic legs and connecting rods of the utility model after they are turned upwards;

[0029] Figure 4 For this utility model Figure 3 Schematic diagram of the structure after inversion;

[0030] Figure 5 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0031] Figure 6 This is a schematic cross-sectional view of the hinged locking device of the present invention;

[0032] Figure 7 This is a schematic structural diagram of the telescopic leg of the utility model;

[0033] Figure 8 For this utility model Figure 7 Enlarged structural diagram at point B in the middle.

[0034] In the figure: 1. RTK host; 2. base; 3. telescopic leg; 31. outer sleeve; 311. strip hole; 32. inner lining tube; 33. friction plate; 34. threaded rod; 35. nut; 4. connecting rod; 5. handle; 6. hinge locking device; 61. first fixing plate; 611. first screw hole; 612. second screw hole; 62. second fixing plate; 621. first through hole; 622. second through hole; 63. hinge plate; 631. third through hole; 64. hinge shaft; 65. locking shaft; 651. baffle; 652. twisting piece; 66. screw. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] See also Figures 1-8 , the utility model provides a technical solution:

[0037] A portable RTK device, comprising:

[0038] The RTK host 1 operates based on carrier phase differential technology. It typically consists of a receiver located at a base station and one or more receivers located at a rover (also called a carrier). These two receivers simultaneously receive signals transmitted from the same GPS satellite (or multiple satellite systems) at the same time. The base station's observations are compared with known position information to generate GPS differential corrections. These corrections are then transmitted promptly to a rover in common view of the satellites via a radio data link (e.g., radio mode or network mode) to refine its GPS observations, thereby obtaining a more accurate real-time position of the rover after differential correction.

[0039] Base 2, which is fixedly connected to the bottom of the RTK host 1. In this embodiment, the base 2 can be in the shape of a circular plate and made of a lightweight material (such as hard plastic or aluminum alloy);

[0040] At least three telescopic legs 3 are arranged at an angle to support and protect the RTK host 1. In this embodiment, for the convenience of description, three telescopic legs 3 are taken as an example, and their specific arrangement is shown in the figure.

[0041] Connecting rods 4: The number of connecting rods 4 is consistent with the number of telescopic legs 3, and the two are arranged in a one-to-one correspondence. The bottom end of the connecting rod 4 is fixedly connected to the top end of the telescopic leg 3. The angle between the connecting rod 4 and the telescopic leg 3 is obtuse. The length of the connecting rod 4 is greater than the distance between the top surface of the RTK host 1 and the bottom surface of the base 2. Therefore, when the connecting rod 4 is flipped over the base 2, the height of the top of the connecting rod 4 will be higher than the height of the top of the RTK host 1. Therefore, the three connecting rods 4 can be used to surround the RTK host 1 to achieve the purpose of protecting the RTK host 1. The connecting rod 4 is tubular to reduce the overall weight.

[0042] The handle 5 is fixed to the lower surface of the base 2; the handle 5 is U-shaped, such as Figure 4 As shown, the staff can lift the entire RTK device by the handle 5 to move it;

[0043] The hinged locking device 6 is provided between the top end of the connecting rod 4 and the edge of the base 2 . The connecting rod 4 can be flipped from the bottom of the base 2 to the top of the base 2 through the hinged locking device 6 , so that the connecting rod 4 surrounds the RTK host 1 .

[0044] In the above scheme, the hinged locking device 6 is provided, so that the connecting rod 4 can be flipped from the bottom of the base 2 to the top of the base 2, and then the RTK host 1 is surrounded by at least three connecting rods 4, thereby realizing anti-fall protection for the RTK host 1 and improving the safety during the movement of the RTK device. At the same time, since the connecting rods 4 are placed above, the overall height of the RTK device can be reduced when it is carried and moved, thereby improving the convenience of carrying.

[0045] The hinged locking device 6 includes a first fixed plate 61, a second fixed plate 62, a hinge plate 63, a hinge shaft 64 and a locking shaft 65. The first fixed plate 61, the second fixed plate 62, the hinge plate 63, the hinge shaft 64 and the locking shaft 65 can all be made of the same material as the base 2; specifically, the first fixed plate 61 and the second fixed plate 62 are fixedly connected to the base 2, and the second fixed plate 62 is provided with a first through hole 621 and a second through hole 622 that match the locking shaft 65; the hinge plate 63 is fixed to the top of the connecting rod 4, and the hinge plate 63 is hinged between the first fixed plate 61 and the second fixed plate 62 through the hinge shaft 64, and the hinge plate 63 is provided with a third through hole 631 that matches the locking shaft 65.

[0046] like Figure 1 and Figure 5 as well as Figure 6 As shown, the connecting rod 4 is vertically arranged below the base 2 at this time, and cooperates with the telescopic leg 3 to support the RTK host 1. At this time, the locking shaft 65 passes through the second through hole 622 and the third through hole 631, so that the connecting rod 4 is locked in this position by using the locking shaft 65, so that the connecting rod 4 will not rotate around the hinge axis 64, ensuring that the telescopic leg 3 and the connecting rod 4 can stably support the RTK host 1; and when the connecting rod 4 is to be flipped from the bottom of the base 2 to the top of the base 2, the locking shaft 65 is first pulled out from the inside of the second through hole 622 and the third through hole 631, and then the telescopic leg 3 is adjusted to a fully retracted state, and finally the telescopic leg 3 and the connecting rod 4 are rotated around the hinge axis 64 until the telescopic leg 3 and the connecting rod 4 are flipped to the top of the base 2, and then the locking shaft 65 is passed through the first through hole 621 and the third through hole 631 to lock the position of the connecting rod 4 at this time, ensuring that the three connecting rods 4 can be stably around the RTK host 1.

[0047] The hinged locking device 6 also includes a screw 66 and a first screw hole 611 and a second screw hole 612 defined on the first fixing plate 61 and matching with the screw 66. The screw 66 is coaxially fixed to one end of the locking shaft 65. The first screw hole 611 is coaxially arranged with the first through hole 621, and the second screw hole 612 is coaxially arranged with the second through hole 622. The arrangement of the screw 66, the first screw hole 611, and the second screw hole 612 is primarily intended to enhance the stability of the locking shaft 65 when the locking connecting rod 4 is in position. Specifically, the screw 66 can be threadedly engaged with either the first screw hole 611 or the second screw hole 612, depending on the actual situation, thereby effectively preventing the locking shaft 65 from falling out of the first through hole 621, the second through hole 622, or the third through hole 631.

[0048] A baffle 651 is fixed to the other end of the locking shaft 65 , and a twisting piece 652 is fixed to the end of the baffle 651 away from the locking shaft 65 . The twisting piece 652 is used to facilitate the staff to twist the locking shaft 65 .

[0049] The telescopic leg 3 includes an outer sleeve 31 and an inner lining tube 32 that are sleeved and slidably connected, and a locking member for locking the relative positions of the outer sleeve 31 and the inner lining tube 32; the top end of the outer sleeve 31 is fixedly connected to the bottom end of the connecting rod 4, and the inner lining tube 32 can extend from the bottom end of the outer sleeve 31, and the bottom end of the inner lining tube 32 is conical.

[0050] Specifically, the locking member includes a threaded rod 34 and a nut 35 threadedly sleeved on the outside of the threaded rod 34; a strip hole 311 extending along its axial direction is provided on the peripheral wall of the outer sleeve 31; one end of the threaded rod 34 passes through the strip hole 311 and is fixedly connected to the top of the inner liner tube 32; further, the locking member also includes a friction plate 33, the threaded rod 34 passes through the friction plate 33, and the friction plate 33 is located between the nut 35 and the outer sleeve 31, the friction plate 33 is semi-annular, and its inner ring surface is a rough surface. When the nut 35 presses the friction plate 33 against the outer surface of the outer sleeve 31, the friction plate 33 cooperates with its rough inner ring surface to increase the friction force between the outer sleeve 31.

[0051] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable RTK device, characterized in that: include: RTK host; A base, the base being fixedly connected to the bottom of the RTK host; At least three telescopic legs, each of which is tilted to support and protect the RTK host; A connecting rod, the bottom end of which is fixedly connected to the top end of the telescopic leg, the angle between the connecting rod and the telescopic leg is an obtuse angle, and the length of the connecting rod is greater than the distance between the top surface of the RTK host and the bottom surface of the base; a handle fixed to the lower surface of the base; The hinged locking device is provided between the top end of the connecting rod and the edge of the base. The connecting rod can be flipped from the bottom of the base to the top of the base through the hinged locking device, so that the connecting rod surrounds the RTK host.

2. A portable RTK device according to claim 1, characterized in that: The hinge locking device includes a first fixing plate, a second fixing plate, a hinge plate, a hinge shaft and a locking shaft; The first fixing plate and the second fixing plate are both fixedly connected to the base, and the second fixing plate is provided with a first through hole and a second through hole matching the locking shaft; The hinge plate is fixed on the top of the connecting rod and is hinged between the first fixing plate and the second fixing plate through a hinge shaft. A third through hole matching the locking shaft is provided on the hinge plate.

3. A portable RTK device according to claim 2, characterized in that: The hinged locking device also includes a screw and a first screw hole and a second screw hole opened on the first fixing plate and matching the screw. The screw is coaxially fixed to one end of the locking shaft, the first screw hole is coaxially arranged with the first through hole, and the second screw hole is coaxially arranged with the second through hole.

4. A portable RTK device according to claim 3, characterized in that: A baffle is fixed on the other end of the locking shaft, and a twisting piece is fixed on one end of the baffle away from the locking shaft.

5. The portable RTK device according to claim 1, characterized in that: The connecting rod is in the shape of a round tube.

6. The portable RTK device according to claim 1, characterized in that: The telescopic leg includes an outer sleeve and an inner lining tube that are sleeved and slidably connected, and a locking member for locking the relative positions of the outer sleeve and the inner lining tube; The top end of the outer sleeve is fixedly connected to the bottom end of the connecting rod, and the inner lining tube can extend from the bottom end of the outer sleeve.

7. The portable RTK device according to claim 6, characterized in that: The locking member includes a threaded rod and a nut threadedly sleeved on the outside of the threaded rod; The outer sleeve has a peripheral wall provided with a strip-shaped hole extending along its axial direction; One end of the threaded rod passes through the strip-shaped hole and is fixedly connected to the top of the liner pipe.

8. The portable RTK device according to claim 7, characterized in that: The locking member further comprises a friction plate, the threaded rod passes through the friction plate, and the friction plate is located between the nut and the outer sleeve.

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