Angle measuring device for engineering cost

Abstract

The utility model relates to the technical field of measuring devices, in particular to an angle measuring device for engineering cost, which comprises a support, a rotating groove a is arranged on the upper surface of the support close to the edge of one side, a rotating groove b is arranged on the upper surface of the support close to the edge of the other side, and a positioning mechanism pointing to a protractor is rotatably mounted in the rotating groove a. A measuring mechanism pointing to the protractor is rotationally arranged in the rotating groove b, and angle measurement is carried out on an object according to the angle value of the protractor corresponding to rotation of the positioning mechanism and the measuring mechanism. The measuring range can be correspondingly adjusted according to different to-be-detected objects, after adjustment is completed, the connecting rod a and the connecting rod b are rotated, the telescopic rod and the indicating rod correspond to the two edge positions of the to-be-detected objects respectively, the connecting rod a is attached to the arc wall of the protractor through one end of the pointer a, and the connecting rod b is attached to the arc wall of the protractor through the lower surface of the pointer b. Therefore, numerical values on the protractor can be read conveniently, and the angle of the object to be detected can be measured.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, in particular to an angle measuring device for project cost. Background Technique

[0002] Angle measuring devices are mainly used to accurately measure angles and play an important role in many fields. These devices can help ensure that various machines, structures, and systems are assembled and operated accurately according to design specifications. In construction engineering, angle measuring devices are used to determine the position, verticality, and inclination of buildings to ensure the safety and stability of the structure. During the project cost process, although it mainly involves cost estimation, budget preparation, contract management, cost control, etc., it sometimes also involves some on-site measurement work, especially when precise physical dimensions or topographic measurements are required for specific projects. Angle measuring devices can be used for various purposes in this context, such as determining the slope of the ground, the positional relationship of buildings, etc. Angle measuring devices can provide highly accurate data, which is crucial for ensuring the quality and safety of the project.

[0003] A Chinese patent with the publication number CN212567248U, a multifunctional angle measuring device dedicated to project cost, realizes the effect of facilitating the storage of measuring tools by placing the measuring ruler in the inner cavity of the first storage groove and storing the second storage groove and the extension rod. However, this angle measuring device has the problem that the length of the measuring ruler is not adjustable, which is inconvenient to adjust the measurement range. In view of this, an angle measuring device for project cost is provided. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an angle measuring device for project cost to solve the problem that the length of the measuring ruler of this angle measuring device is not adjustable and it is inconvenient to adjust the measurement range in the related technology.

[0005] To achieve the above purpose, according to one aspect of the utility model, an angle measuring device for project cost is provided, including a support. A protractor is fixedly installed on the upper surface of the support near one side edge. A rotation groove a is opened on the upper surface of the support near one side edge, and a rotation groove b is opened on the upper surface of the support near the other side edge. A positioning mechanism pointing to the protractor is rotatably installed in the rotation groove a, and a measuring mechanism pointing to the protractor is rotatably arranged in the rotation groove b. The angle value of the protractor corresponding to the rotation of the positioning mechanism and the measuring mechanism is used to measure the angle of an object.

[0006] Further, the positioning mechanism at least includes a connecting rod a. A telescopic groove is opened on one side of the connecting rod a, and a telescopic rod is slidably installed in the telescopic groove.

[0007] Further, a positioning screw hole communicating with the telescopic groove is formed in the upper surface of the connecting rod a near the notch of the telescopic groove. A positioning bolt is installed in the positioning screw hole by thread. An indicating block a is fixedly installed on one side of the telescopic rod, and a plurality of fixing screw holes are formed through the upper surface of the telescopic rod.

[0008] Further, a pointer a is fixedly installed on one side of the connecting rod a. One end of the pointer a is attached to the arc wall of the protractor, and the pointer a is horizontally aligned with the indicating block a.

[0009] Further, the measuring mechanism at least includes a connecting rod b. A sliding groove is formed on one side of the connecting rod b. An installation block is slidably installed in the sliding groove. An inclined groove is formed on one side of the installation block, and an indicating rod is slidably installed in the inclined groove.

[0010] Further, an indicating block b is fixedly installed on the upper surface of the indicating rod, and the indicating block b is in an arrow shape.

[0011] Further, the side wall of the inclined groove inclines from the bottom of the inclined groove to the upper surface of the installation block, and an inclined angle fitting the side wall of the inclined groove is formed on one side of the indicating rod.

[0012] Further, a slide rail groove is formed on the side wall of the inclined groove. A limiting block is fixedly installed at the inclined angle of the indicating rod, and the limiting block is slidably clamped in the slide rail groove, and the limiting block is a T-shaped structure adapted to the slide rail groove.

[0013] Further, a through groove communicating with the sliding groove is formed on the side wall of the connecting rod b. A push handle is fixedly installed on the side wall of the installation block, and the push handle is slidably clamped and installed in the through groove. A tightening screw hole a is formed through the side wall of the push handle, and a tightening bolt a is installed in the tightening screw hole a by thread.

[0014] Further, a tightening screw hole b communicating with the inclined groove is formed through the side wall of the installation block, and a tightening bolt b is installed in the tightening screw hole b by thread.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The measuring range of the angle measuring device for the project cost can be adjusted accordingly according to different objects to be detected. After the adjustment is completed, rotate the connecting rod a and the connecting rod b, and respectively align the telescopic rod and the indicating rod with the two edge positions of the object to be detected. One end of the pointer a of the connecting rod a is attached to the arc wall of the protractor, and the lower surface of the pointer b of the connecting rod b is attached to the arc wall of the protractor, so as to facilitate reading the value on the protractor, thereby measuring the angle of the object to be detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the measuring device in the preferred embodiment of the present utility model;

[0018] Figure 2Schematic diagram of the support structure in the preferred embodiment of the present utility model;

[0019] Figure 3 Schematic diagram of the positioning mechanism structure in the preferred embodiment of the present utility model;

[0020] Figure 4 Cross-sectional view of the positioning mechanism in the preferred embodiment of the present utility model;

[0021] Figure 5 Schematic diagram of the measuring mechanism structure in the preferred embodiment of the present utility model;

[0022] Figure 6 Schematic diagram of the connecting rod b structure in the preferred embodiment of the present utility model;

[0023] Figure 7 Schematic diagram of the indicating rod structure in the preferred embodiment of the present utility model;

[0024] Figure 8 Schematic diagram of the extended structure of the indicating rod in the preferred embodiment of the present utility model;

[0025] Figure 9 Partial cross-sectional view of the measuring mechanism in the preferred embodiment of the present utility model.

[0026] Reference numerals:

[0027] Support; 11, Rotation groove a; 12, Rotation groove b; 13, Protractor; 131, Card slot a; 132, Card slot b;

[0028] Positioning mechanism; 21, Connecting rod a; 22, Telescopic rod; 211, Telescopic groove; 212, Positioning screw hole; 213, Pointer a; 221, Fixed screw hole; 222, Indicator block a;

[0029] Measuring mechanism; 31, Connecting rod b; 32, Mounting block; 33, Indicating rod; 311, Sliding groove; 312, Through groove; 313, Connecting block a; 314, Connecting block b; 315, Connecting block c; 316, Pointer b; 321, Inclined groove; 322, Slide rail groove; 323, Push handle; 324, Tightening screw hole a; 325, Tightening screw hole b; 331, Limiting block; 332, Indicator block b. Detailed implementation manners

[0030] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present utility model as follows.

[0031] This embodiment provides an angle measuring device for project cost, including a support 1. A rotating groove a11 is provided at a position near one side edge on the upper surface of the support 1, and a rotating groove b12 is provided at a position near the other side edge on the upper surface of the support 1;

[0032] A positioning mechanism 2 is rotatably installed in the rotating groove a11. The positioning mechanism 2 at least includes a connecting rod a21. The connecting rod a21 faces the rotating groove a11, and its end is rotatably arranged in the rotating groove a11. A telescopic groove 211 is provided on one side of the connecting rod a21, and a telescopic rod 22 is slidably installed in the telescopic groove 211;

[0033] It should be noted that a connecting rotating shaft is provided at the central position of the bottom horizontal line of the protractor 13. The connecting rotating shaft simultaneously penetrates the central positions of the ends of the connecting rod a21 and the end of the connecting rod b31, thereby connecting the positioning mechanism 2 and the measuring mechanism 3 to the support 1. Moreover, the connecting rod a21 and the connecting rod b31 can also freely rotate around the connecting rotating shaft, so as to freely change their positions.

[0034] It further includes: a measuring mechanism 3. The measuring mechanism 3 at least includes a connecting rod b31. The connecting rod b31 faces the rotating groove b12, and its end is rotatably arranged in the rotating groove b12. A sliding groove 311 is provided on one side of the connecting rod b31, and a mounting block 32 is slidably installed in the sliding groove 311. An inclined groove 321 is provided on one side of the mounting block 32, and an indicating rod 33 is slidably installed in the inclined groove 321. By sliding the mounting block 32 and the indicating rod 33, the measuring range of the measuring device is increased;

[0035] Such as Figure 1 、 Figure 6 、 Figure 9 As shown, an indicating block b332 is fixedly installed on the upper surface of the indicating rod 33, and the indicating block b332 is arrow-shaped;

[0036] Such as Figure 7 、 Figure 9 As shown, the side wall of the inclined groove 321 slopes from the bottom of the inclined groove 321 to the upper surface of the mounting block 32, and an inclined angle is provided on one side of the indicating rod 33 that fits the side wall of the inclined groove 321;

[0037] Such as Figure 7 、 Figure 9 As shown, a slide rail groove 322 is provided on the side wall of the inclined groove 321. A limit block 331 is fixedly installed at the inclined angle of the indicating rod 33. The limit block 331 is slidably clamped in the slide rail groove 322, and the limit block 331 is a T-shaped structure adapted to the slide rail groove 322. The indicating rod 33 slides along the slide rail groove 322 through the limit block 331, and the inclined angle of the indicating rod 33 fits the side wall of the inclined groove 321, so that the indicating rod 33 extends along the inclined groove 321 to increase the measuring range of the indicating rod 33;

[0038] Such asFigure 1 , Figure 2 As shown in Figure 2 , a protractor 13 is fixedly installed near one edge of the upper surface of the support 1. A slot a131 is formed through the side wall of the protractor 13. The slot a131 is in a semi-circular ring structure. A slot b132 is formed in the arc wall of the protractor 13.

[0039] As Figure 5 , Figure 6 shown in Figure 5 , a connecting block a313 is fixedly installed on the side wall of the connecting rod b31. A connecting block b314 is fixedly installed on one side of the connecting block a313. The connecting block b314 is slidably clamped and installed in the slot a131. A connecting block c315 is fixedly installed on the upper surface of the connecting block b314. The connecting block c315 is slidably clamped and installed in the slot b132. A pointer b316 is fixedly installed on the upper surface of the connecting block c315. The pointer b316 is in an arc structure, and the lower surface of the pointer b316 is in close contact with the arc wall of the protractor 13.

[0040] As Figure 5 , Figure 6 , Figure 8 shown in Figure 5 , a through groove 312 communicating with the sliding groove 311 is formed in the side wall of the connecting rod b31. A push handle 323 is fixedly installed on the side wall of the mounting block 32. The push handle 323 is slidably clamped and installed in the through groove 312. A tightening screw hole a324 is formed through the side wall of the push handle 323. A tightening bolt a is installed in the tightening screw hole a324 by thread. By pushing the push handle 323, the mounting block 32 is driven to move. The tightening bolt a in the tightening screw hole a324 is tightened to press against the side wall of the connecting rod b31 to fix the position of the mounting block 32.

[0041] As Figure 8 shown in Figure 8 , a tightening screw hole b325 communicating with the inclined groove 321 is formed through the side wall of the mounting block 32. A tightening bolt b is installed in the tightening screw hole b325 by thread. The tightening bolt b in the tightening screw hole b325 is tightened to press against the side wall of the indicating rod 33 to fix the position of the indicating rod 33.

[0042] As Figure 3 , Figure 4 shown in Figure 3 , a positioning screw hole 212 communicating with the telescopic groove 211 is formed near the notch of the telescopic groove 211 on the upper surface of the connecting rod a21. A positioning bolt is installed in the positioning screw hole 212 by thread. An indicating block a222 is fixedly installed on one side of the telescopic rod 22. A plurality of fixing screw holes 221 are formed through the upper surface of the telescopic rod 22. The positioning bolt in the positioning screw hole 212 is tightened, and the positioning bolt is installed in the fixing screw hole 221 by thread to fix the position of the telescopic rod 22.

[0043] As Figure 1 , Figure 3As shown, a pointer a213 is fixedly installed on one side of the connecting rod a21. One end of the pointer a213 is in contact with the arc wall of the protractor 13, and the pointer a213 is horizontally aligned with the indicating block a222. By aligning the pointer a213 with the protractor 13, it is convenient to accurately read the value on the protractor 13.

[0044] When the present utility model is specifically used, the telescopic rod 22 is slid. The telescopic rod 22 slides along the telescopic groove 211 to change the length of the positioning mechanism 2. The positioning bolt in the positioning screw hole 212 is tightened, and the positioning bolt is threadedly installed into the fixed screw hole 221 to fix the position of the telescopic rod 22. By pushing the push handle 323, the mounting block 32 slides along the sliding groove 311. The tightening bolt in the tightening screw hole a324 is tightened to tighten the side wall of the connecting rod a21 to fix the position of the mounting block 32. By the inclination angle of the indicating rod 33 being in contact with and sliding along the inclined groove 321, the tightening bolt b in the tightening screw hole b325 is tightened to tighten the side wall of the indicating rod 33 to fix the position of the indicating rod 33, so as to adjust the length of the measuring mechanism 3, thereby increasing the measuring range of the measuring device. The measuring range can be adjusted accordingly according to different objects to be detected. After the adjustment is completed, the connecting rod a21 and the connecting rod b31 are rotated, and the telescopic rod 22 and the indicating rod 33 are respectively corresponding to the two edge positions of the object to be detected. One end of the connecting rod a21 is in contact with the arc wall of the protractor 13 through the pointer a213, and the lower surface of the pointer b316 of the connecting rod b31 is in contact with the arc wall of the protractor 13, so as to facilitate reading the value on the protractor 13, and thus measure the angle of the object to be detected.

[0045] The above is only a preferred embodiment of the present utility model, and it does not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to be equivalent embodiments of equivalent changes within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modification, equivalent change and modification made to the above embodiment based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An angle measuring device for project cost, comprising a support (1), wherein a protractor (13) is fixedly installed on the upper surface of the support (1) near one side edge, and it is characterized in that, On the upper surface of the support (1), a rotation groove a (11) is provided near one side edge, and a rotation groove b (12) is provided near the other side edge. A positioning mechanism (2) for pointing to a protractor (13) is rotatably installed in the rotation groove a (11), and a measuring mechanism (3) for pointing to the protractor (13) is rotatably provided in the rotation groove b (12). The angle value of the protractor (13) corresponding to the rotation of the positioning mechanism (2) and the measuring mechanism (3) is used to measure the angle of an object.

2. The angle measuring device for project cost according to claim 1, wherein The positioning mechanism (2) at least includes a connecting rod a (21). A telescopic groove (211) is provided on one side of the connecting rod a (21), and a telescopic rod (22) is slidably installed in the telescopic groove (211).

3. The angle measuring device for project cost according to claim 2, wherein, On the upper surface of the connecting rod a (21) near the mouth of the telescopic groove (211), a positioning screw hole (212) communicating with the telescopic groove (211) is provided. A positioning bolt is threadedly installed in the positioning screw hole (212). An indicating block a (222) is fixedly installed on one side of the telescopic rod (22), and a plurality of fixing screw holes (221) are penetrated through the upper surface of the telescopic rod (22).

4. The angle measuring device for project cost according to claim 3, characterized in that, A pointer a (213) is fixedly installed on one side of the connecting rod a (21). One end of the pointer a (213) is attached to the arc wall of the protractor (13), and the pointer a (213) is horizontally aligned with the indicating block a (222).

5. The angle measuring device for project cost according to claim 1, wherein The measuring mechanism (3) at least includes a connecting rod b (31). A sliding groove (311) is provided on one side of the connecting rod b (31), and a mounting block (32) is slidably installed in the sliding groove (311). An inclined groove (321) is provided on one side of the mounting block (32), and an indicating rod (33) is slidably installed in the inclined groove (321).

6. The angle measuring device for project cost according to claim 5, characterized in that, An indicating block b (332) is fixedly installed on the upper surface of the indicating rod (33), and the indicating block b (332) is arrow-shaped.

7. The angle measuring device for project cost according to claim 6, wherein The side wall of the inclined groove (321) inclines from the bottom of the inclined groove (321) to the upper surface of the mounting block (32), and an inclined angle is provided on one side of the indicating rod (33) that fits the side wall of the inclined groove (321).

8. The angle measuring device for project cost according to claim 7, wherein A slide rail groove (322) is provided on the side wall of the inclined groove (321). A limiting block (331) is fixedly installed at the inclined angle of the indicating rod (33), and the limiting block (331) is slidably clamped in the slide rail groove (322), and the limiting block (331) has a T-shaped structure adapted to the slide rail groove (322).

9. The angle measuring device for project cost according to claim 8, wherein, A through groove (312) communicating with the sliding groove (311) is provided on the side wall of the connecting rod b (31). A push handle (323) is fixedly installed on the side wall of the mounting block (32), and the push handle (323) is slidably clamped and installed in the through groove (312). A tightening screw hole a (324) is penetrated through the side wall of the push handle (323), and a tightening bolt a is threadedly installed in the tightening screw hole a (324).

10. The angle measuring device for project cost according to claim 9, characterized in that, A tightening screw hole b (325) communicating with the inclined groove (321) is penetrated through the side wall of the mounting block (32), and a tightening bolt b is threadedly installed in the tightening screw hole b (325).

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