Box staff for engineering surveying

Abstract

The utility model relates to a box staff for engineering surveying. Comprising a telescopic box staff body, the bottom of the telescopic box staff body is provided with an auxiliary sighting unit used for aligning an elevation control line, and the bottom of the telescopic box staff body is provided with a support fixing unit movably arranged on the lower portion of the telescopic box staff body and used for supporting the telescopic box staff body. The device has the advantages of reducing operators, reducing labor intensity, improving efficiency and being convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of tower rulers, in particular to a tower ruler for engineering measurement. Background Art

[0002] The tower ruler is a kind of level ruler. At present, most of the tower rulers on the market are hollow structures formed by rolling aluminum alloy tubes. The cross section is a regular hexagon. The length is generally 3 meters or 5 meters. It is divided into three or five sections. Each section of the tower ruler is provided with a tower ruler buckle for easy withdrawal and fixing. The tower ruler is one of the main tools for engineering measurement and is used in conjunction with the level and theodolite. The existing tower ruler requires at least two people to cooperate in use. One person holds the tower ruler for positioning, and the other person needs to observe whether the bottom of the tower ruler is completely flush with the elevation control line; when the building elevation control line (generally located on the outer wall of the building that is not prone to settlement) is below the operator's waist, the operator needs to squat or even lie down to observe whether the bottom of the tower ruler is completely flush with the elevation control line; the above work process not only wastes manpower, but also has high labor intensity, low efficiency, and inconvenient operation. Utility Model Content

[0003] The utility model aims to provide a tower ruler for engineering surveying, so as to solve the defects of the above-mentioned background technology that it needs multiple people to operate, which not only wastes manpower, but also has high labor intensity, low efficiency and inconvenient operation.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A tower ruler for engineering surveying comprises a retractable tower ruler body, the bottom of which is provided with an auxiliary aiming unit for aligning an elevation control line, and a bracket fixing unit movably arranged at the bottom of the retractable tower ruler body for supporting the retractable tower ruler body.

[0006] The beneficial effects of the utility model are as follows: by arranging the auxiliary aiming unit, the bottom of the retractable ruler body can be easily aligned with the elevation control line, and on this basis, a bracket fixing unit is arranged to fix the ruler, thereby realizing single-person operation, and after the operation is completed, there is no need for personnel to hold the retractable ruler body, which has the advantages of reducing the number of operators, reducing labor intensity, improving efficiency and facilitating operation.

[0007] Preferably, the telescopic tower ruler body is provided with a long level tube which remains parallel to the ground when the telescopic tower ruler body is in use.

[0008] Preferably, the auxiliary aiming unit comprises a shell, the top of the shell is provided with an opening, and the opening is adapted to the bottom outer contour of the telescopic tower ruler body, the bottom of the shell is provided with a long groove, and a sliding aiming piece is provided in the long groove.

[0009] Preferably, the sliding aiming member includes a reference thin plate corresponding to the alignment height control line, a sliding column is fixedly provided at the bottom of the reference thin plate, the sliding column passes through the long groove and is connected to a sliding block arranged outside the shell; a thin plate outlet is provided at a position at the end of the reference thin plate corresponding to the side of the shell.

[0010] Preferably, sliding grooves are provided at positions corresponding to both sides of the shell and the reference thin plate to facilitate the sliding of the reference thin plate and to guide the reference thin plate.

[0011] Preferably, the bracket fixing unit includes a fixing platform, at least three brackets are evenly distributed on the bottom of the fixing platform, a fitting hole matching the outer contour of the telescopic tower ruler body is opened in the middle of the fixing platform, a bolt hole connected to the fitting hole is opened on one side of the fixing platform, and a fixing bolt is provided on the bolt hole.

[0012] Preferably, an insulating layer is provided on the top of the telescopic tower ruler body.

[0013] A scale for engineering surveying manufactured according to the above technical solution can facilitate the alignment of the bottom of the retractable scale body with the elevation control line by setting an auxiliary aiming unit, and on this basis, a bracket fixing unit is set to fix the scale, thereby realizing single-person operation, and after the operation is completed, there is no need for personnel to hold the retractable scale body. Specifically, the top opening of the shell is sleeved on the bottom of the retractable scale body, and the reference plate is pushed out of the shell from the plate outlet through the slider, and the end of the reference plate is made flush with the elevation control line; when fixing the retractable scale body, it is sleeved in the sleeve hole of the fixing table, and fixed by fixing bolts after adjusting the appropriate height; the above method has the advantages of reducing the number of operators, reducing labor intensity, improving efficiency and facilitating operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the auxiliary aiming unit of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom structure of the shell of the utility model;

[0017] Figure 4 It is a schematic diagram of the side structure of the shell of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the bracket fixing unit of the utility model.

[0019] In the figure: 1. telescopic tower ruler body; 2. long level tube; 3. shell; 4. long groove; 5. reference thin plate; 6. sliding column; 7. slider; 8. thin plate outlet; 9. sliding groove; 10. fixing platform; 11. bracket; 12. set hole; 13. bolt hole; 14. insulation layer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-5 The utility model is a tower ruler for engineering measurement, comprising a retractable tower ruler body 1, the bottom of the retractable tower ruler body 1 is provided with an auxiliary aiming unit for aligning the elevation control line, and a bracket fixing unit movably arranged at the lower part of the retractable tower ruler body 1 for supporting the retractable tower ruler body 1. The utility model is modified based on the existing tower ruler, so as to achieve the purpose of reducing labor intensity, improving efficiency and facilitating operation under the premise of reducing the number of operators; the auxiliary aiming unit described in the utility model can be a mark arranged at the bottom of the telescopic tower ruler body 1, and the mark can be a scale line, a marking line, a marking convex block, etc. arranged at the bottom of the telescopic tower ruler body 1, and the auxiliary aiming unit and the telescopic tower ruler body 1 can be an integrated structure or a detachable structure; its essence lies in that when in use, it is convenient to observe the position of the bottom of the telescopic tower ruler body 1, and it is convenient to compare whether it can be completely flush with the elevation control line; the bracket fixing unit described in the utility model is mainly used to fix the telescopic tower ruler body 1, and its fixing method includes a movable bracket arranged at the lower part of the telescopic tower ruler body 1, or an independent bracket matched with the telescopic tower ruler body 1; the combination of the aforementioned auxiliary aiming unit and the bracket fixing unit can achieve the characteristics of reducing operators, reducing labor intensity, improving efficiency and facilitating operation.

[0022] For further information, see Figure 1 The telescopic ruler body 1 is provided with a long level tube 2 which is kept parallel to the ground when the telescopic ruler body 1 is used. By providing the long level tube 2, when there is no reference object on the ruler, the operator can adjust the angle of the ruler conveniently, thereby avoiding the defect of tilting.

[0023] For further information, see Figure 1 , 23. The auxiliary aiming unit comprises a shell 3, the top of which is provided with an opening, and the opening is adapted to the outer contour of the bottom of the telescopic tower ruler body 1, the bottom of which is provided with a long groove 4, and a sliding aiming piece is provided in the long groove 4. The auxiliary aiming unit described in the utility model is connected to the bottom of the telescopic tower ruler body 1 by a clamping connection through the opening at the top of the shell 3, and cooperates with the sliding aiming piece to achieve that the bottom of the telescopic tower ruler body 1 is flush with the elevation control line.

[0024] For further information, see Figure 1 , 2 3, the sliding aiming piece includes a reference sheet 5 corresponding to the elevation control line, a sliding column 6 is fixedly arranged at the bottom of the reference sheet 5, the sliding column 6 passes through the long slot 4 and is connected to a slider 7 arranged outside the housing 3; a sheet outlet 8 is arranged at the end of the reference sheet 5 corresponding to the side of the housing 3. The above arrangement enables the reference sheet 5 to be folded up when not in use and pushed out when in use, further achieving the purpose of easy operation and easy observation.

[0025] For further information, see Figure 1 , 2 , 3, 4, the housing 3 is provided with sliding grooves 9 at positions corresponding to both sides of the reference sheet 5 for facilitating the sliding of the reference sheet 5 and guiding the reference sheet 5. The sliding grooves 9 can facilitate the sliding of the reference sheet 5 and guide the reference sheet 5.

[0026] For further information, see Figure 5 The bracket fixing unit includes a fixing platform 10, at least three brackets 11 are evenly distributed at the bottom of the fixing platform 10, a set hole 12 adapted to the outer contour of the telescopic tower ruler body 1 is opened in the middle of the fixing platform 10, and a bolt hole 13 connected to the set hole 12 is opened on one side of the fixing platform 10, and a fixing bolt is arranged on the bolt hole 13. Figure 5 The bracket fixing unit in the figure is a cross-sectional view, which is mainly used for the positional relationship between the set hole 12 and the bolt hole 13, and the positional relationship between the fixing platform 10 and the bracket 11. The above arrangement can realize the characteristic of conveniently fixing the telescopic tower ruler body 1, and the fixing form can realize the fixing under the premise of adjusting the height of the telescopic tower ruler body 1. It cooperates with the above-mentioned auxiliary aiming unit to realize the characteristic of no need for operators after fixing.

[0027] Furthermore, the top of the telescopic tower ruler body 1 is provided with an insulating layer 14. Since the telescopic tower ruler body 1 is relatively high when extended, it is very easy to cause safety accidents, especially when working near high-voltage wires. The insulating layer 14 can prevent electric shock accidents; the insulating layer 14 described in the utility model is a traditional material, such as rubber, etc., so it is not described in detail.

[0028] When using the utility model, first, the telescopic ruler body 1 is mounted in the mounting hole 12 of the fixing platform 10, and the opening at the top of the shell 3 is mounted on the bottom of the telescopic ruler body 1; then, the reference sheet 5 is pushed out through the slider 7 to keep the bottom of the telescopic ruler body 1 flush with the elevation control line, and at the same time, the state of the long level tube 2 is observed to prevent the telescopic ruler body 1 from tilting; finally, the telescopic ruler body 1 can be pressed by inserting the fixing bolts into the bolt holes 13; when the above operations are completed, the telescopic ruler body 1 can be in a state where there is no operator on duty; it has the advantages of preventing the ruler from electric shock, the ruler holder can quickly level and prevent tilting, quickly aiming at the control line, and single-person measurement can be achieved without the ruler holder, and at the same time, it can improve the measurement work efficiency and measurement accuracy.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A tower ruler for engineering measurement, comprising a telescopic tower ruler body (1), characterized in that: The bottom of the telescopic tower ruler body (1) is provided with an auxiliary aiming unit for aligning the elevation control line, and a bracket fixing unit movably arranged at the bottom of the telescopic tower ruler body (1) for supporting the telescopic tower ruler body (1).

2. The engineering surveying tower ruler according to claim 1, characterized in that: The telescopic tower ruler body (1) is provided with a long level tube (2) which is kept parallel to the ground when the telescopic tower ruler body (1) is in use.

3. The engineering surveying tower ruler according to claim 1, characterized in that: The auxiliary aiming unit comprises a shell (3), the top of the shell (3) is provided with an opening, and the opening is adapted to the bottom outer contour of the telescopic tower ruler body (1), the bottom of the shell (3) is provided with a long groove (4), and a sliding aiming piece is provided in the long groove (4).

4. The engineering surveying tower ruler according to claim 3, characterized in that: The sliding aiming piece comprises a reference thin plate (5) corresponding to the elevation control line, a sliding column (6) is fixedly provided at the bottom of the reference thin plate (5), the sliding column (6) passes through the long slot (4) and is connected to a sliding block (7) arranged outside the shell (3); a thin plate outlet (8) is provided at a position at the end of the reference thin plate (5) corresponding to the side surface of the shell (3).

5. The engineering surveying tower ruler according to claim 4, characterized in that: Sliding grooves (9) for facilitating the sliding of the reference thin plate (5) and achieving the guidance of the reference thin plate (5) are provided at positions corresponding to the two sides of the housing (3).

6. The engineering surveying tower ruler according to claim 4, characterized in that: The bracket fixing unit comprises a fixing platform (10), at least three brackets (11) are evenly distributed on the bottom of the fixing platform (10), a fitting hole (12) adapted to the outer contour of the telescopic tower ruler body (1) is opened in the middle of the fixing platform (10), a bolt hole (13) connected to the fitting hole (12) is opened on one side of the fixing platform (10), and a fixing bolt is arranged on the bolt hole (13).

7. The engineering surveying tower ruler according to claim 1, characterized in that: The top of the telescopic tower ruler body (1) is provided with an insulating layer (14).

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