CN217716418U - An RTK measuring rod for wading measurement - Google Patents

Abstract

The utility model provides a Real Time Kinematic (RTK) measuring rod for wading measurement, which comprises an outer rod and an inner rod, wherein a cavity is arranged inside the outer rod, the inner rod slides in the cavity, a circular ring sleeve is arranged at the upper end of the outer rod, a thread sleeve is arranged at the upper end of the circular ring sleeve, threads are arranged on the inner wall of the inner rod, the inner rod is connected with the threads through the threads and the thread sleeve, a movable ring sleeve is arranged at the lower end of the circular ring sleeve, the inner wall of the movable ring sleeve is contacted with the outer wall of the outer rod, and the movable ring sleeve slides on the outer rod; the cavity is characterized in that two sides of the lower end of the cavity are respectively provided with an inclined drain hole, and an adjusting component is arranged in each drain hole. The utility model discloses can carry out automatically regulated according to the different conditions, when guaranteeing that the measuring stick is in the aquatic, the phenomenon that weight sharply increases can not appear, has guaranteed the life of measuring stick.

Description

An RTK measuring rod for wading measurement

technical field

The utility model mainly relates to the technical field of surveying and mapping equipment, in particular to an RTK measuring rod for wading measurement.

Background technique

In the field of surveying and mapping engineering, measuring rods are often used for positioning, point alignment, and distance measurement. At present, all RTK measuring rods available on the market adopt the mature and customary standards in the industry: the extensible upper part is made of aluminum alloy material + sandblasting oxidation + laser scale, and the lower part is made of high-fiber carbon fiber material. It has the characteristics of low density, high strength and corrosion resistance. The connection method of the two main parts is a movable fastening bolt connection.

When facing a task with a large wading depth, both the outer pole and the inner pole are more likely to be contaminated with impurities in the water, affecting the cleanliness of the outer pole and the inner pole. Once the inner pole is contaminated with more impurities, it will directly affect the fixing effect of the inner pole , and when in use, the hollow inner cavity will accumulate water, which will greatly increase the weight of the equipment and is not conducive to the life of the equipment. The existing technology is to drain water by opening a drainage hole at the lower end of the inner cavity, but the water in the inner cavity is It enters from the gap between the inner rod and the outer rod, and the water inflow rate is slow. After use, the inner cavity will not be filled with water. If the drain hole is opened, the water will directly enter from the drain hole, causing the inner cavity to be directly drained. If the water is full, it will increase the weight of the equipment. If the drain hole is closed, water will continuously enter the inner cavity, which will also increase the weight of the equipment.

Utility model content

The utility model mainly provides an RTK measuring rod for wading measurement, which is used to solve the technical problems raised in the above-mentioned background technology.

The technical solution adopted by the utility model to solve the problems of the technologies described above is:

An RTK measuring rod for wading measurement, including an outer rod and an inner rod, a cavity is provided inside the outer rod, and the inner rod slides in the cavity, and a ring sleeve is installed on the upper end of the outer rod. A threaded sleeve is installed on the upper end of the ring sleeve, threads are provided on the inner wall of the inner rod, and the inner rod is connected by threads and the threaded sleeve, and a moving ring sleeve is provided at the lower end of the ring sleeve, and the moving ring sleeve The inner wall is in contact with the outer wall of the outer rod, and the moving ring slides on the outer rod; inclined drainage holes are respectively provided on both sides of the lower end of the cavity, and an adjustment component is installed inside each of the drainage holes. The assembly includes a ring plate installed at the connection between the drain hole and the cavity. The side of the ring plate away from the cavity is provided with a supporting circular plate, and two A support rod, a light spring is installed on the side of the support circular plate facing the ring plate, and an arc plug that can block the center of the ring plate is installed on the other end of the light spring.

Preferably, a filter screen is installed at the end of each drain hole away from the cavity.

Preferably, a drainage channel is installed at the center of the lower end of the cavity, and a sealing cover is installed at the other end of the drainage channel.

Preferably, both sides of the ring sleeve are threadedly connected with threaded rods, and both of the threaded rods are in contact with the inner rod.

Preferably, a button is connected between the moving ring sleeve and the circular ring sleeve, and limit blocks are provided on both sides of the lower end of the outer rod.

Compared with prior art, the beneficial effect of the utility model is:

(1) In actual use, the measuring rod is placed in the water. When the water does not enter the gap between the outer rod and the inner rod, the light spring pushes the arc plug to block the ring plate, so that the water cannot be drained from the water. When the water enters the gap between the outer rod and the inner rod, the cavity will drain and keep the water in a small amount. In this way, it can be automatically adjusted according to different situations to ensure that the measuring rod is in the water. , there will be no sharp increase in weight, ensuring the service life of the measuring rod;

(2) When the inner rod is recycled, the pollutants and impurities contaminated on the inner rod will be squeezed out by the thread on the threaded sleeve, and the inner rod will be automatically cleaned to ensure the cleanliness of the inner rod. When the moving ring slides down, the outer wall of the outer rod is cleaned until the moving ring contacts the limit block, and all the pollutants and impurities on the outer rod are pushed down to ensure the cleanliness of the outer rod.

The utility model will be explained in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is a schematic diagram of the plane structure of the utility model;

Fig. 3 is the enlarged view of place A in Fig. 2 of the utility model;

Fig. 4 is the enlarged view of place B in Fig. 2 of the utility model;

Fig. 5 is a schematic diagram of the connection between the support circular plate and the support rod of the present invention.

In the figure: 1. Outer rod; 11. Cavity; 12. Drainage hole; 13. Filter screen; 14. Drainage channel; 15. Sealing cover; 2. Inner rod; 3. Regulating component; 31. Ring plate; 32 , supporting circular plate; 33, supporting rod; 34, light spring; 35, arc plug; 4, ring sleeve; 41, threaded sleeve; 42, moving ring sleeve; 43, threaded rod; 44, button; 45, limit block.

Detailed ways

In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the accompanying drawings. Several embodiments of the utility model are shown in the accompanying drawings, but the utility model can be realized in different forms, and does not It is limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

Please refer to the accompanying drawings 1, 2 and 4. The utility model provides a technical solution: an RTK measuring rod for wading measurement, including an outer rod 1 and an inner rod 2. The outer rod 1 is provided with a cavity 11 , and the inner rod 2 slides in the cavity 11, and the two sides of the lower end of the cavity 11 are respectively provided with inclined drainage holes 12, and the end of each drainage hole 12 far away from the cavity 11 is equipped with a filter Net 13 and filter screen 13 can prevent some pollutants and impurities from entering the drain hole 12 and block the drain hole 12. A drain channel 14 is installed in the center of the lower end of the cavity 11, and a sealing cover 15 is installed at the other end of the drain channel 14. , due to the existence of the light spring 34 inside the drainage hole 12, the water inside the cavity 11 cannot be completely discharged, and there will be moisture residue. Open the sealing cover 15, and the water inside the cavity 11 can be drained through the drainage channel 14 to avoid Moisture remains inside the cavity 11 .

Please emphatically refer to accompanying drawings 1-5, each of the drainage holes 12 is equipped with an adjustment assembly 3 inside, and the adjustment assembly 3 includes a ring plate 31 installed at the junction of the drainage hole 12 and the cavity 11, the A supporting circular plate 32 is provided on the side of the annular plate 31 away from the cavity 11, and two supporting rods 33 are connected between the side wall of the supporting circular plate 32 and the inner wall of the drainage hole 12, and the supporting circular plate 32 faces the annular plate Lightweight spring 34 is installed on 31 one sides, and the arc plug 35 that can block the center of ring plate 31 is installed in described lightweight spring 34 other end, and lightweight spring 34 can adopt the weaker spring of spring. In actual use, the measuring rod is placed in water. When the water does not enter the gap between the outer rod 1 and the inner rod 1, the light spring 34 pushes the arc plug 35 to block the ring plate 31, so that the water cannot Entering from the drain hole 12, when water enters from the gap between the outer rod 1 and the inner rod 1, water accumulates inside the cavity 11, and the water will press on the arc plug 35 through the ring plate 31. Due to the increase of water, As the pressure continues to rise, the light spring 34 will be compressed, so that the arc plug 35 and the ring plate 31 are separated, and the water inside the cavity 11 will be discharged from the gap between the arc plug 35 and the ring plate 31, preventing the inner cavity from 11 internal water, resulting in a substantial increase in equipment weight, so that equipment life is reduced, due to the existence of light spring 34, when the water inside the cavity 11 is about to drain, light spring 34 will push the arc plug 35 to move, making the arc The plug 35 blocks the center of the ring plate 31 again. In this way, it can be automatically adjusted according to different situations, so that when the measuring rod is in the water, the phenomenon that the weight will not increase sharply will ensure the service life of the measuring rod.

Please emphatically refer to accompanying drawings 1-3, the upper end of the outer rod 1 is equipped with a ring sleeve 4, the upper end of the ring sleeve 4 is equipped with a threaded sleeve 41, the inner wall of the inner rod 2 is provided with threads, and the inner The rod 2 is threaded and threaded with the threaded sleeve 41, and the inner rod 2 and the threaded sleeve 41 are threaded to facilitate the adjustment of the height of the inner rod 2, so that the inner rod 2 can be effectively fixed at any height, and the inner rod is contaminated The pollutants and impurities on the inner rod 2 will be squeezed out by the thread on the threaded sleeve 41 when the inner rod 2 is recovered, and the inner rod 2 will be automatically cleaned, ensuring the cleanliness of the inner rod 2 and reducing the work intensity of the user .

Please emphatically refer to accompanying drawings 1-3, the two sides of the ring sleeve 4 are threadedly connected with threaded rods 43, and the two threaded rods 43 are all in contact with the inner rod 2, when the inner rod 2 is moved, the screw thread Rod 43, so that the two threaded rods 43 are not tightly pressed against the inner rod 2, after adjusting the inner rod 2, reverse the threaded rod 43, so that the two threaded rods 43 are tightly pressed on the inner rod 2, and the inner rod 2 is reinforced , to avoid the shaking of the inner rod 2, and to reinforce it through the threaded rod 2, which not only improves the fastening effect of the inner rod 2, but also prevents the threads on the threaded sleeve 41 and the threaded rod 2 from being damaged due to the greater gravity on the inner rod 2. damage.

Please emphatically refer to accompanying drawings 1 and 2, the lower end of the ring sleeve 4 is provided with a moving ring sleeve 42, the inner wall of the moving ring sleeve 42 is in contact with the outer wall of the outer rod 1, and the moving ring sleeve 42 slides on the outer rod 1, A button 44 is connected between the moving ring cover 42 and the ring cover 4, and the button 44 is divided into a child button and a female button, and the child button and the female button are installed on the moving ring cover 42 and the circular ring cover 4 respectively, and the buttons 44 is connected to facilitate the connection and separation of the movable ring sleeve 42 and the circular ring sleeve 4. Limiting blocks 45 are provided on both sides of the lower end of the outer rod 1, and the limiting blocks 45 are used to limit the moving ring sleeve 42 to avoid moving The collar 42 breaks away from the outer rod 1 . After the measuring rod is taken out from the water, the user manually pulls the moving ring 42 to separate the moving ring 42 from the circular ring 4, and then releases the moving ring 42, and the moving ring 42 will fall under the action of gravity. During the sliding of the moving ring 42, the outer wall of the outer rod 1 is cleaned until the moving ring 42 contacts the limit block 45, and all the pollutants and impurities on the outer rod 1 are pushed down to ensure the cleanliness of the outer rod 1 , which improves the efficiency of the user cleaning the outer rod 1, and then only needs the user to move the moving ring 42 upwards, and install it on the ring 4 through the button 44 again.

The concrete mode of operation of the present utility model is as follows:

When the user is in use, the measuring rod is placed in the water. When the water does not enter the gap between the outer rod 1 and the inner rod 1, the light spring 34 pushes the arc plug 35 to seal the ring plate 31. Water cannot enter from the drain hole 12. When water enters from the gap between the outer rod 1 and the inner rod 1, water will accumulate inside the cavity 11, and the water will be pressed on the arc plug 35 through the ring plate 31. Due to the water As the pressure increases, the light spring 34 will be compressed, so that the arc plug 35 is separated from the ring plate 31, and the water inside the cavity 11 will be discharged from the gap between the arc plug 35 and the ring plate 31. Avoid water accumulation inside the inner cavity 11, resulting in a substantial increase in the weight of the equipment and a reduction in the life of the equipment. Due to the existence of the light spring 34, when the water in the cavity 11 is about to be drained, the light spring 34 will push the arc plug 35 to move , so that the arc plug 35 blocks the center of the ring plate 31 again. After use, the measuring rod is taken out, and when the inner rod 2 is recovered, the pollutant impurities on the inner rod 2 will be squeezed by the threads on the threaded sleeve 41 out, the inner rod 2 is automatically cleaned to ensure the cleanliness of the inner rod 2 and reduce the work intensity of the user. Then the user manually pulls the moving ring sleeve 42 to separate the moving ring sleeve 42 from the circular ring sleeve 4, and then , loosen the moving ring 42, the moving ring 42 will fall under the action of gravity, in the process of the sliding of the moving ring 42, clean the outer wall of the outer rod 1 until the moving ring 42 contacts with the limit block 45, All the pollutants and impurities on the outer rod 1 are pushed down to ensure the cleanliness of the outer rod 1.

The utility model has been described as an example in conjunction with the accompanying drawings above. Obviously, the specific implementation of the utility model is not limited by the above method, as long as the method concept and technical solution of the utility model are used for this insubstantial improvement, or without Improvements that directly apply the ideas and technical solutions of the utility model to other occasions are within the protection scope of the utility model.

Claims (5)

1. An RTK measuring rod for wading measurement, comprising an outer rod (1) and an inner rod (2), characterized in that: the outer rod (1) is provided with a cavity (11) inside, and the inner rod (2) Sliding in the cavity (11), the upper end of the outer rod (1) is equipped with a ring sleeve (4), the upper end of the ring sleeve (4) is equipped with a threaded sleeve (41), and the inner rod (2) The inner wall is provided with threads, and the inner rod (2) is threadedly connected with the threaded sleeve (41), and the lower end of the ring sleeve (4) is provided with a moving ring sleeve (42), and the moving ring The inner wall of the sleeve (42) is in contact with the outer wall of the outer rod (1), and the moving ring sleeve (42) slides on the outer rod (1); Both sides of the lower end of the cavity (11) are respectively provided with inclined drainage holes (12), each of the drainage holes (12) is equipped with an adjustment assembly (3), and the adjustment assembly (3) includes The annular plate (31) that is installed in the junction of the drain hole (12) and the cavity (11), the annular plate (31) is provided with a support circular plate (32) away from the side of the cavity (11), and the Two supporting rods (33) are connected between the side wall of the supporting circular plate (32) and the inner wall of the drainage hole (12), and a light spring is installed on the side of the supporting circular plate (32) facing the ring plate (31) (34), the other end of the light spring (34) is equipped with an arc plug (35) that can block the center of the ring plate (31). 2 . The RTK measuring rod for wading measurement according to claim 1 , characterized in that: a filter screen ( 13 ) is installed at the end of each drainage hole ( 12 ) away from the cavity ( 11 ). 3. The RTK measuring rod for wading measurement according to claim 1, characterized in that: a drainage channel (14) is installed at the center of the lower end of the cavity (11), and the other end of the drainage channel (14) is installed There is a sealing cover (15). 4. A kind of RTK measuring rod for wading measurement according to claim 1, characterized in that: both sides of the ring sleeve (4) are threaded with threaded rods (43), and two of the threaded rods (43) all contact with inner bar (2). 5. The RTK measuring rod for wading measurement according to claim 1, characterized in that: a button (44) is connected between the moving ring sleeve (42) and the circular ring sleeve (4), and the outer Limiting blocks (45) are arranged on both sides of the lower end of the rod (1).

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