Surveying and mapping box staff

Abstract

The utility model relates to the technical field of engineering surveying and mapping, and discloses a surveying and mapping box staff which comprises a first box staff, a second box staff is arranged in the first box staff, a third box staff is arranged in the second box staff, reinforcing structures are arranged in the first box staff, the second box staff and the third box staff, and sawtooth grooves are formed in the outer side walls of the second box staff and the third box staff. According to the utility model, the reinforcing structure is arranged, so that the first telemeter rod, the second telemeter rod and the third telemeter rod are associated by adopting a plurality of groups of reinforcing rods, the moving direction of the telemeter rods is limited, and the phenomena that the telemeter rods are loosened after being used for a long time, so that the moving direction of the telemeter rods deviates, and a surveying and mapping result has an error are prevented; and meanwhile, the limiting sleeves are adopted, so that when the telemeter rods move, friction between the telemeter rods during relative displacement is prevented through the limiting sleeves, a certain distance can be kept between the telemeter rods, and contact between the telemeter rods is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering surveying and mapping, in particular to a surveying and mapping tower ruler. Background Art

[0002] Surveying and mapping engineering mainly studies the basic knowledge and skills of surveying and mapping, spatial precision positioning and navigation, urban and engineering construction and its surveying engineering, etc., and measures various information such as space, landforms, geological structures, etc. and draws topographic maps. For example: exploration of mineral resources such as coal and oil, drawing of traffic maps, drawing of engineering renderings, etc.

[0003] The existing surveying and mapping tower rulers still have the following disadvantages. When the surveying and mapping tower rulers are in use, they are usually installed in a snap-on manner. The interior is hollow. After long-term use, the surface is easily deformed due to squeezing or collision, which causes the coordination between the tower rulers to become loose, or the tower rulers cannot be pulled out and used normally, resulting in poor use of the tower ruler, which is not conducive to the use of the tower ruler for surveying and mapping. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the problem that the surveying and mapping tower ruler in the prior art is usually installed in a snap-on manner when in use, and its interior is hollow, and after long-term use, its surface is easily deformed due to squeezing or collision, which leads to looseness in the coordination between the tower rulers, or the tower rulers cannot be normally pulled out for use, which leads to poor use effect of the tower ruler and is not conducive to the use of the tower ruler for surveying and mapping, the utility model provides a surveying and mapping tower ruler.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model is as follows: a surveying and mapping tower ruler, including a tower ruler 1, a tower ruler 2 is arranged inside the tower ruler 1, a tower ruler 3 is arranged inside the tower ruler 2, the tower ruler 1, the tower ruler 2 and the tower ruler 3 are all provided with a reinforcement structure inside, the outer side walls of the tower ruler 2 and the tower ruler 3 are both provided with a sawtooth groove, and a fixing mechanism is arranged between the tower ruler 1 and the tower ruler 2 and the tower ruler 2 and the tower ruler 3;

[0008] The reinforcement structure includes a fixed plate, connecting rod 1, connecting rod 2, reinforcement rod 1, reinforcement rod 2, reinforcement rod 3, limit sleeve 1 and limit sleeve 2. The fixed plate is fixedly installed on the inner wall of the bottom of tower ruler 1, the reinforcement rod 1 is fixedly installed on the upper surface of the fixed plate 1, the reinforcement rod 2 is movably sleeved on the outside of the reinforcement rod 1, and the reinforcement rod 2 is connected to the inner wall of the tower ruler 2 through the connecting rod 1.

[0009] Preferably, the top of the tower ruler three is movably sleeved with a protective cover one, and the bottom of the tower ruler one is movably filled with a protective cover two.

[0010] Preferably, the interiors of the tower rulers 1, 2 and 3 are all provided with cavities, and the outer surfaces of the tower rulers 1, 2 and 3 are all provided with scales.

[0011] Preferably, the fixing mechanism includes a protrusion, a rotating plate, a sawtooth block, a rotating shaft and a torsion spring. A groove is opened on one side outer wall of the tower ruler. The rotating shaft is fixedly installed on the front and rear inner walls of the groove. The rotating plate is movably sleeved on the outer surface of the rotating shaft. A torsion spring is provided at the connection between the rotating plate and the rotating shaft. The sawtooth block is fixedly installed on one side outer wall of one end of the rotating plate. The protrusion is fixedly installed on the other side outer wall of the other end of the rotating plate. A through hole is opened inside the side wall of the tower ruler. The sawtooth block passes through the tower ruler and is engaged with the sawtooth groove.

[0012] Preferably, the reinforcing rod three and the tower ruler three are connected by a connecting rod two, the limiting sleeve one is fixedly sleeved on the outside of the bottom end of the tower ruler two, and is movably connected to the inner wall of the tower ruler one, and the limiting sleeve two is fixedly sleeved on the outside of the bottom end of the tower ruler three, and is movably connected to the inner wall of the tower ruler two.

[0013] Preferably, a groove 2 is opened on one side outer wall of the tower ruler 2, the fixing mechanism is arranged in the groove 2, and the sawtooth block in the groove 2 is clamped with the sawtooth groove on the outer side wall of the tower ruler 3.

[0014] Preferably, a rubber sleeve 1 is provided on the top of the tower ruler 1, and the rubber sleeve 1 is movably connected to the tower ruler 2, and a rubber sleeve 2 is provided on the top of the tower ruler 2, and the rubber sleeve 2 is movably connected to the tower ruler 3.

[0015] (III) Beneficial effects

[0016] The utility model provides a surveying and mapping tower ruler. It has the following beneficial effects:

[0017] By providing a reinforcement structure, multiple groups of reinforcement rods are used to connect the tower ruler one with the tower ruler two and the tower ruler three, so as to limit the moving direction of the tower ruler, so as to prevent the tower rulers from loosening after long-term use, thereby causing the moving direction of the tower ruler to shift, and then causing errors in the surveying and mapping results, so as to make the use of the tower ruler more effective. At the same time, a limit sleeve is used to prevent friction when the tower rulers are relatively displaced when moving, and it is also beneficial to maintain a certain distance between the tower rulers to prevent contact between the tower rulers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 4 For the utility model Figure 2 The enlarged schematic diagram at A in the middle;

[0022] Figure 5 For the utility model Figure 2 Enlarged schematic diagram of point B in the middle.

[0023] In the figure: 1. Tower ruler one; 2. Tower ruler two; 3. Tower ruler three; 4. Protective cover one; 5. Reinforcing rod one; 6. Reinforcing rod two; 7. Reinforcing rod three; 8. Rubber sleeve two; 9. Groove two; 10. Rubber sleeve one; 11. Groove one; 12. Fixing mechanism; 13. Sawtooth groove; 14. Limiting sleeve one; 15. Cavity; 16. Protective cover two; 17. Fixing plate; 19. Connecting rod one; 22. Connecting rod two; 23. Bump; 24. Rotating plate; 25. Sawtooth block; 26. Scale. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] like Figure 1-5As shown, the utility model provides a technical solution for a surveying and mapping tower ruler: a surveying and mapping tower ruler, comprising a tower ruler 1, a tower ruler 2 2 is arranged inside the tower ruler 1, a tower ruler 3 3 is arranged inside the tower ruler 22, a reinforcement structure is arranged inside the tower ruler 1, the tower ruler 2 2 and the tower ruler 3 3, the outer walls of the tower ruler 2 2 and the tower ruler 3 3 are provided with a sawtooth groove 13, and a fixing mechanism 12 is arranged between the tower ruler 1 and the tower ruler 2 2 and the tower ruler 2 2 and the tower ruler 3 3; the reinforcement structure comprises a fixing plate 17, a connecting rod 19, a connecting rod 22, a reinforcing rod 1 5, a reinforcing rod 2 6, a reinforcing rod 3 7, a limiting sleeve 14 and a limiting sleeve 2, the fixing plate 17 is fixedly mounted on the inner wall of the bottom of the tower ruler 1, the reinforcing rod 1 5 is fixedly mounted on the upper surface of the fixing plate 17, the reinforcing rod 2 6 is movably sleeved on the outer side of the reinforcing rod 1 5, the reinforcing rod 2 6 is connected to the inner wall of the tower ruler 2 2 by a connecting rod 19, and the reinforcing rod 3 7 is connected to the tower ruler three 3 through the connecting rod two 22, the limiting sleeve one 14 is fixedly sleeved on the outer side of the bottom end of the tower ruler two 2, and is movably connected to the inner wall of the tower ruler one 1, the limiting sleeve two is fixedly sleeved on the outer side of the bottom end of the tower ruler three 3, and is movably connected to the inner wall of the tower ruler two 2, and a reinforcing structure is provided to make the tower ruler one 1 and the tower ruler two 2 and the tower ruler three 3 connected by multiple groups of reinforcing rods, so as to limit the moving direction of the tower ruler to prevent looseness between the tower rulers after long-term use, thereby causing the moving direction of the tower ruler to shift, and then causing errors in the surveying and mapping results, so that the use effect of the tower ruler is better, and the limiting sleeve is used to prevent friction when the tower rulers are relatively displaced when moving, and it is also beneficial to keep a certain distance between the tower rulers to prevent contact between the tower rulers, and the connecting rod is used to make the reinforcing rod move with the tower ruler when it moves.

[0026] As a preferred embodiment of the above technical solution, the top of the tower ruler 3 is movably sleeved with a protective cover 4, and the bottom of the tower ruler 1 is movably filled with a protective cover 2 16. The protective cover is used to prevent the upper and lower ends of the tower ruler from colliding with external objects when it is placed.

[0027] As a preferred embodiment of the above technical solution, a cavity 15 is opened inside the tower ruler 1, the tower ruler 2, and the tower ruler 3, and a scale 26 is provided on the outer surface of the tower ruler 1, the tower ruler 2, and the tower ruler 3. The scale 26 is used to facilitate the surveying and mapping project. At the same time, the surface of the tower ruler is painted with a symbolic color to facilitate observation by the staff.

[0028] As a preferred embodiment of the above technical solution, the fixing mechanism 12 includes a protrusion 23, a rotating plate 24, a sawtooth block 25, a rotating shaft and a torsion spring. A groove 11 is opened on the outer wall of one side of the tower ruler 1. The rotating shaft is fixedly installed on the front and rear inner walls of the groove 11. The rotating plate 24 is movably sleeved on the outer surface of the rotating shaft. A torsion spring is provided at the connection between the rotating plate 24 and the rotating shaft. The sawtooth block 25 is fixedly installed on the outer wall of one side of one end of the rotating plate 24. The protrusion 23 is fixedly installed on the outer wall of the other side of the other end of the rotating plate 24. The inner wall of the side wall of the tower ruler 1 A through hole is opened in the part, and the sawtooth block 25 passes through the tower ruler 1 and is clamped with the sawtooth groove 13. A groove 29 is opened on the outer wall of one side of the tower ruler 2. The fixing mechanism 12 is arranged in the groove 29, and the sawtooth block 25 in the groove 29 is clamped with the sawtooth groove 13 on the outer side wall of the tower ruler 3. The fixing mechanism 12 is adopted. When the tower ruler moves a certain distance, under the action of the torsion spring, the sawtooth block 25 is clamped with the sawtooth groove 13 to prevent the tower ruler from slight displacement, so that the use effect of the tower ruler is better. At the same time, when the tower ruler needs to be moved, the protrusion 23 can be moved.

[0029] As a preferred embodiment of the above technical solution, a rubber sleeve 10 is provided on the top of the tower ruler 1, and the rubber sleeve 10 is movably connected to the tower ruler 2, a rubber sleeve 28 is provided on the top of the tower ruler 2, and the rubber sleeve 28 is movably connected to the tower ruler 3. By using the rubber sleeve, when the tower ruler 2 moves upward to the top position, the rubber sleeve 28 can limit the limit sleeve 14 to facilitate the removal of the tower ruler 3.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying tower ruler, comprising a tower ruler 1 (1), characterized in that: The interior of the tower ruler 1 (1) is provided with a tower ruler 2 (2), and the interior of the tower ruler 2 (2) is provided with a tower ruler 3 (3). The interiors of the tower ruler 1 (1), the tower ruler 2 (2) and the tower ruler 3 (3) are all provided with reinforcement structures. The outer walls of the tower ruler 2 (2) and the tower ruler 3 (3) are provided with sawtooth grooves (13). Fixing mechanisms (12) are provided between the tower ruler 1 (1) and the tower ruler 2 (2) and the tower ruler 2 (2) and the tower ruler 3 (3); The reinforcing structure comprises a fixing plate (17), a connecting rod 1 (19), a connecting rod 2 (22), a reinforcing rod 1 (5), a reinforcing rod 2 (6), a reinforcing rod 3 (7), a limiting sleeve 1 (14) and a limiting sleeve 2. The fixing plate (17) is fixedly mounted on the bottom inner wall of the tower ruler 1 (1), the reinforcing rod 1 (5) is fixedly mounted on the upper surface of the fixing plate (17), the reinforcing rod 2 (6) is movably sleeved on the outer side of the reinforcing rod 1 (5), and the reinforcing rod 2 (6) is connected to the inner side wall of the tower ruler 2 (2) via the connecting rod 1 (19).

2. The surveying tower ruler according to claim 1, characterized in that: The top of the tower ruler three (3) is movably sleeved with a protective cover one (4), and the bottom of the tower ruler one (1) is movably filled with a protective cover two (16).

3. The surveying tower ruler according to claim 2, characterized in that: The first tower ruler (1), the second tower ruler (2) and the third tower ruler (3) are each provided with a cavity (15) inside, and the outer surfaces of the first tower ruler (1), the second tower ruler (2) and the third tower ruler (3) are each provided with a scale (26).

4. The surveying tower ruler according to claim 3, characterized in that: The fixing mechanism (12) comprises a protrusion (23), a rotating plate (24), a sawtooth block (25), a rotating shaft and a torsion spring. A groove (11) is formed on one side outer wall of the tower ruler (1). The rotating shaft is fixedly mounted on the front and rear inner walls of the groove (11). The rotating plate (24) is movably sleeved on the outer surface of the rotating shaft. A torsion spring is provided at the connection between the rotating plate (24) and the rotating shaft. The sawtooth block (25) is fixedly mounted on one side outer wall of one end of the rotating plate (24). The protrusion (23) is fixedly mounted on the other side outer wall of the other end of the rotating plate (24). A through hole is formed inside the side wall of the tower ruler (1). The sawtooth block (25) passes through the tower ruler (1) and is clamped with the sawtooth groove (13).

5. The surveying tower ruler according to claim 4, characterized in that: The reinforcing rod three (7) is connected to the tower ruler three (3) via the connecting rod two (22); the limiting sleeve one (14) is fixedly sleeved on the outer side of the bottom end of the tower ruler two (2) and is movably connected to the inner wall of the tower ruler one (1); the limiting sleeve two is fixedly sleeved on the outer side of the bottom end of the tower ruler three (3) and is movably connected to the inner wall of the tower ruler two (2).

6. The surveying tower ruler according to claim 5, characterized in that: A second groove (9) is formed on one side outer wall of the tower ruler (2), the fixing mechanism (12) is arranged in the second groove (9), and the sawtooth block (25) in the second groove (9) is engaged with the sawtooth groove (13) on the outer side wall of the tower ruler (3).

7. The surveying tower ruler according to claim 1, characterized in that: The top of the tower ruler one (1) is provided with a rubber sleeve one (10), and the rubber sleeve one (10) is movably connected to the tower ruler two (2); the top of the tower ruler two (2) is provided with a rubber sleeve two (8), and the rubber sleeve two (8) is movably connected to the tower ruler three (3).

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