Multifunctional gradient measuring scale

Abstract

The invention relates to the technical field of measuring equipment, and provides a multifunctional gradient measuring scale, the gradient measuring scale comprises a gradient measuring scale body, the top of the gradient measuring scale body is provided with a closed slide rail, and a rotating rod, a first plug-in ring and an adjusting plate which are located at the inner side of the closed slide rail, the bottom end of the rotating rod is matched with the first plug-in ring; the side wall of the first inserting ring is connected with a plurality of adjusting plates, one end of each adjusting plate is connected with the first inserting ring, and the other end is connected with the closed sliding rail; a closed rotating through groove is formed in the front portion or the rear portion of the gradient measuring scale body, a clinometer is arranged in the closed rotating through groove, a gradienter is connected to the clinometer, a vertical rotating shaft is arranged in the gradient measuring scale body, one side of the vertical rotating shaft is connected with the clinometer, the end of the vertical rotating shaft is connected between adjusting plates, and the gradient measuring scale body is connected with the gradient measuring scale body. The adjusting plate rotating along the closed sliding rail drives the vertical rotating shaft to rotate in the axial direction. The method can meet various measurement requirements, and the universality and adaptability of the method are improved.

Description

Technical Field

[0001] The present application relates to the technical field of measuring equipment, and in particular to a multifunctional slope measuring ruler. Background Art

[0002] A slope measuring ruler is a tool used to measure and calibrate an inclined plane, slope or angle. In civil engineering, it is used to measure and calibrate the slope and inclination of structures such as roads, bridges, and slope protection. In building construction, it is used to ensure the horizontality and verticality of walls, floors, and other structural elements. It measures the slope of a road to ensure that the inclination of the road meets the design requirements, checks the flatness of the road surface, and ensures the comfort and safety of the road. In land leveling projects, it is used to measure the slope and inclination to ensure that the inclination of the land meets the requirements of agricultural or landscape design. The Chinese patent application publication number is CN 115112096 A, and the name is a road slope scale for engineering supervision, which includes a box body, a plurality of rollers are installed on the lower surface of the box body, a driving motor for driving the rollers to rotate is also installed on the box body, a compaction box is fixedly connected to one of the side walls of the box body, a plurality of compaction rollers are rotatably connected to the lower surface of the compaction box, the axial direction of the compaction roller is perpendicular to the forward direction of the box body, the upper surface of the compaction box is an inclined surface, the side of the inclined surface close to the box body is higher than the side of the inclined surface away from the box body, a pad is placed on the upper surface of the box body, one side of the pad is suspended on the inclined surface, a slope scale body is installed on the pad, and a fixing component for fixing the pad and a driving component for driving the fixing component are also provided on the box body. The present application has the effect of reducing the waste of manpower.

[0003] The shortcomings of the above scheme are: although the above scheme can reduce the waste of manpower, the inclinometer cannot be rotated and adjusted during use. In a complex or changeable environment, the measuring scale that cannot adjust the inclinometer may not be able to adapt to different measurement needs, especially when observation and measurement from multiple angles or directions are required. Horizontal distance measurement is also not possible. If only the slope can be measured but not the horizontal distance, it may cause technical problems such as accuracy problems in calculation and design. Summary of the invention

[0004] In order to help solve the above technical problems, the present application provides a multifunctional slope measuring ruler, wherein the slope measuring ruler comprises a slope measuring ruler body, The top of the slope measuring ruler body is provided with a closed slide rail and a rotating rod, a first plug-in ring and an adjustment plate located inside the closed slide rail, the bottom end of the rotating rod cooperates with the first plug-in ring, a plurality of adjustment plates are connected to the side wall of the first plug-in ring, one end of the adjustment plate is connected to the first plug-in ring, and the other end is connected to the closed slide rail; A closed rotating through slot is provided at the front or rear of the slope measuring ruler body, an inclinometer is provided in the closed rotating through slot, a level meter is connected to the inclinometer, a vertical rotating shaft is provided inside the slope measuring ruler body, one side of the vertical rotating shaft is connected to the inclinometer, and the end of the vertical rotating shaft is connected between the adjusting plates, so that the adjusting plate rotating along the closed slide rail drives the vertical rotating shaft to rotate axially.

[0005] Preferably, the bottom end of the rotating rod cooperates with the first plug-in ring by means of a sleeve sliding ring, a plurality of grooves are provided on the side wall of the first plug-in ring, a plug-in groove is provided at the end of the adjusting plate, the plug-in groove is cooperated with the first plug-in plate, the adjusting plate passes through the groove, and is fixedly connected to the side wall of the sliding ring through the first plug-in plate.

[0006] Preferably, a limiting ring is sleeved on the sliding ring, and the limiting ring is located above the first plug-in board.

[0007] Preferably, a plurality of extension plates are slidably provided inside the slope measuring ruler body, and scale lines are provided on the surfaces of the extension plates so that when the extension plates extend out to the left and / or right side of the slope measuring ruler, the horizontal distance of the slope can be measured.

[0008] Preferably, the extension plate is provided with a plurality of groups of teeth, the measuring ruler body is provided with an electric gear meshing with the teeth, and the outer periphery of the electric gear is connected with a protective box.

[0009] Preferably, on the slope measuring ruler body, a second plug-in board and a slide plate are provided on the upper side of the extension plate, the slide plate is slidably arranged in the second plug-in board, the end of the slide plate away from the second plug-in board is connected to a handle and is provided with a plug-in block, the top end of the second plug-in board is provided with a plug-in hole, and the plug-in block is arranged in cooperation with the plug-in hole.

[0010] Preferably, the slope measuring ruler also includes a second plug-in ring and a placement plate for contacting the measuring surface, one side of the second plug-in ring is connected to the bottom of the slope measuring ruler body, and the other side is connected to the placement plate through a connecting rod, and a connecting plate and a brush arranged on the connecting plate are provided on the upper side of the placement plate.

[0011] Preferably, a suction cup is further provided on the placement plate, the suction cup is connected to an air pipe, one end of the air pipe is connected to an air pump, and the air pump is used to adsorb the suction cup on the measurement surface.

[0012] Preferably, the top end of the rotating rod is connected with a rotating handle.

[0013] Preferably, an adjustment knob is provided on the slope measuring ruler body, and the adjustment knob is used to adjust the angle of the inclinometer.

[0014] In summary, the beneficial effects of this application are as follows: The present application drives the rotating rod to slide in the first plug-in ring through the rotating handle, so that the rotating rod drives the sliding ring to slide in the first plug-in ring. The sliding ring is also connected to a limit ring for limiting the movement range of the sliding ring. The first plug-in plate on the sliding ring is plugged into the adjustment plate, and the rotating handle is rotated. The rotating handle drives the rotating shaft to rotate through the adjustment plate. The adjustment plate rotates along the slide rail. When the rotating shaft rotates, it can drive the inclinometer to rotate in the rotating groove, so that the inclinometer can be rotated to different positions, which is convenient for the operator to use. The inclinometer can be rotated to different positions in the rotating groove, which enables the equipment to adapt to various measurement needs and improves its versatility and adaptability.

[0015] The two groups of extension plates of the present application are connected with multiple groups of teeth. The extension plates are extended out of the slope ruler body to measure the horizontal distance on the slope. The slope ruler body is connected with an electric gear meshing with the teeth. The outer periphery of the electric gear is connected with a protective box to protect the gear from external damage. The slide plate is slidably connected to the second plug-in plate, and the slide plate is driven to slide in the second plug-in plate by a handle. The second plug-in plate is provided with two plug-in holes, which are connected with two plug-in blocks. The plug-in blocks are matched with the plug-in holes to fix the slide plate and the second plug-in plate. The extension plate is moved into the slope ruler body and the extension plate can be protected by moving the slide plate.

[0016] The end of the connecting rod of the present application is connected to a placement plate away from the second plug-in ring, and a cleaning mechanism is connected to the placement plate. The brush is detachably connected to the connecting plate and fixed by tape for cleaning the measuring surface. After the cleaning is completed, the tape is torn off and the brush is removed, which is convenient for replacing different types of brushes or cleaning. The connecting plate can fit the measuring surface, and the suction cup is connected to the placement plate and connected to the air pump through an air pipe. The use of the air pump can generate negative pressure, so that the suction cup is adsorbed on the measuring surface to provide stable support. The stable support reduces vibration and displacement during the measurement process, thereby improving the accuracy and repeatability of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of this application; Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle; Figure 3 It is a schematic diagram of the plug-in structure of the sliding ring 14 and the adjusting plate 7 in the present application; Figure 4 It is a schematic diagram of the overall side view structure in this application; Figure 5 yes Figure 4 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the structure of this application when viewed from above; Figure 7 It is a structural schematic diagram of another perspective of the present application; Figure 8 It is a schematic diagram of the structure on the back of this application.

[0018] Figure numerals: 1. slope measuring ruler body; 2. through hole; 3. extension plate; 4. adjustment knob; 5. mounting plate; 6. closed slide rail; 7. adjustment plate; 8. inclinometer; 9. level; 10. rotating shaft; 11. rotating rod; 12. first plug-in ring; 13. rotating handle; 14. sliding ring; 15. first plug-in plate; 16. limiting ring; 17. teeth; 18. protective box; 19. air pipe; 20. air pump; 21. connecting rod; 22. second plug-in ring; 23. bolt; 24. suction cup; 25. connecting plate; 26. brush; 27. second plug-in plate; 28. slide plate; 29. ​​plug-in hole; 30. plug-in block; 31. handle; 32. placement plate. DETAILED DESCRIPTION

[0019] The present application is further described below in conjunction with the accompanying drawings, and the structure and principle of the present application are very clear to people in the field. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0020] Figure 1 It is a schematic diagram of the overall structure of this application; Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle; Figure 3 It is a schematic diagram of the plug-in structure of the sliding ring and the adjusting plate in this application; Figure 4 It is a schematic diagram of the overall side view structure in this application; Figure 5 yes Figure 4 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the structure of this application when viewed from above; Figure 7 It is a schematic diagram of the structure on the back of this application.

[0021] Combination Figures 1 to 8It can be understood that the slope measuring ruler of the present application includes a slope measuring ruler body 1, and a closed slide rail 6 and a rotating rod 11, a first plug-in ring 12 and an adjustment plate 7 located inside the closed slide rail 6 are arranged on the top of the slope measuring ruler body 1, the bottom end of the rotating rod 11 cooperates with the first plug-in ring 12, and a plurality of adjustment plates 7 are connected to the side wall of the first plug-in ring 12, one end of the adjustment plate 7 is connected to the first plug-in ring 12, and the other end is connected to the closed slide rail 6; a closed rotating through groove is opened at the front or rear of the slope measuring ruler body 1, an inclinometer 8 is arranged in the closed rotating through groove, and a level 9 is connected to the inclinometer 8, and a vertical rotating shaft 10 is arranged inside the slope measuring ruler body 1, one side of the vertical rotating shaft is connected to the inclinometer 8, and the end of the vertical rotating shaft 10 is connected between the adjustment plates 7, so that the adjustment plate 7 rotating along the closed slide rail 6 drives the vertical rotating shaft 10 to rotate axially.

[0022] A through hole 2 is provided on the slope measuring ruler body 1, an adjusting knob 4 is provided on the slope measuring ruler body 1, a rotating groove is provided on the slope measuring ruler body 1, an inclinometer 8 is rotatably connected in the rotating groove, a level 9 is connected to the inclinometer 8, an adjusting mechanism is provided between the inclinometer 8 and the slope measuring ruler body 1, the adjusting mechanism includes a rotating shaft 10 and a rotating rod 11, the rotating shaft 10 is connected to the inclinometer 8, a mounting plate 5 is connected to the slope measuring ruler body 1, a closed slide rail 6 is connected to the mounting plate 5, two adjusting plates 7 are slidably connected to the closed slide rail 6, and a rotating shaft 11 is connected between the two adjusting plates 7. The movable mechanism comprises a first plug-in ring 12 and a rotating rod 11. The first plug-in ring 12 is connected between the two adjusting plates 7. The rotating rod 11 is connected in the first plug-in ring 12. The limit ring 16 is matched with the first plug-in ring 12. A sliding ring 14 is connected to the bottom of the rotating rod 11. Two first plug-in plates 15 are connected to the sliding ring 14. The limit ring 16 is connected to the sliding ring 14. A plug-in groove is provided on the adjusting plate 7. The first plug-in plate 15 is matched with the plug-in groove. The end of the rotating shaft 10 is connected between the two adjusting plates 7. The end of the rotating rod 11 is connected to a rotating handle 13.

[0023] The inclinometer 8 is connected to the level 9. The inclinometer 8 is used to measure angles, while the level 9 is used to ensure the horizontal reference of the measurement. A mounting plate 5 is provided on the slope measuring ruler body 1. The mounting plate 5 is connected with a closed slide rail 6. The rotating rod 11 is driven to slide in the first plug-in ring 12 by the rotating handle 13, so that the rotating rod 11 drives the sliding ring 14 to slide in the first plug-in ring 12. A limiting ring 16 is also connected to the sliding ring 14 for limiting the moving range of the sliding ring 14. The first plug-in plate 15 on the sliding ring 14 is plugged into the adjusting plate 7. The rotating handle 13 is rotated. The rotating handle 13 drives the rotating shaft 10 to rotate through the adjusting plate 7. The adjusting plate 7 rotates along the closed slide rail 6. When the rotating shaft 10 rotates, the inclinometer 8 can be driven to rotate in the rotating groove, so that the inclinometer 8 can be rotated to different positions for the convenience of the operator. When the inclinometer 8 does not need to be rotated, the rotating handle 13 only needs to drive the sliding ring 14 to move upward, so that the first plug-in plate 15 is moved out of the adjusting plate 7, so that the inclinometer 8 will not rotate.

[0024] In addition, the slope measuring ruler also includes a second plug-in ring 22 and a placement plate 32 for contacting the measuring surface. One side of the second plug-in ring 22 is connected to the bottom of the slope measuring ruler body 1, and the other side is connected to the placement plate 32 through a connecting rod 21. The upper side of the placement plate 32 is provided with a connecting plate 25 and a brush 26 arranged on the connecting plate 25. A suction cup 24 is also provided on the placement plate 32, and an air pipe 19 is connected to the suction cup 24. One end of the air pipe 19 is connected to an air pump 20, and the air pump 20 is used to adsorb the suction cup 24 on the measuring surface.

[0025] A second plug-in ring 22 is connected to the bottom of the slope measuring ruler body 1, a connecting rod 21 is connected inside the second plug-in ring 22, and a bolt 23 is detachably connected between the second plug-in ring 22. The end of the connecting rod 21 away from the second plug-in ring 22 is connected to a placement plate 32, and a cleaning mechanism is connected to the placement plate 32. The cleaning mechanism includes two connecting plates 25 and two brushes 26. The connecting plate 25 is a flat plate, and the brush 26 is detachably connected to the connecting plate 25. The brush 26 is connected to the connecting plate 25 by tape.

[0026] The placement plate 32 is connected to an adsorption mechanism, which includes a suction cup 24 . The suction cup 24 is connected to the placement plate 32 . An air pipe 19 is connected to the suction cup 24 . An end of the air pipe 19 away from the suction cup 24 is connected to an air pump 20 .

[0027] Specifically, a second plug-in ring 22 is connected to the bottom of the slope measuring ruler body 1, and a connecting rod 21 is connected inside the second plug-in ring 22. The connecting rod 21 and the second plug-in ring 22 are detachably connected by bolts 23, allowing disassembly and reassembly when needed. The end of the connecting rod 21 away from the second plug-in ring 22 is connected to a placement plate 32, and a cleaning mechanism is connected to the placement plate 32. The brush 26 is detachably connected to the connecting plate 25 and fixed with tape for cleaning the measuring surface. After cleaning, the tape is torn off and the brush 26 is removed. The connecting plate 25 can fit the measuring surface. The suction cup 24 is connected to the placement plate 32 and is connected to the air pump 20 through the air pipe 19. The use of the air pump 20 can generate negative pressure, so that the suction cup 24 is adsorbed on the measuring surface to provide stable support.

[0028] The bottom end of the rotating rod 11 is matched with the first plug-in ring 12 by sleeved with a sliding ring 14, and a plurality of grooves are provided on the side wall of the first plug-in ring 12. The end of the adjusting plate 7 is provided with a plug-in groove, and the plug-in groove is matched with a first plug-in plate 15. The adjusting plate 7 passes through the groove and is fixedly connected to the side wall of the sliding ring 14 through the first plug-in plate 15. A limiting ring 16 is sleeved on the sliding ring 14, and the limiting ring 16 is located above the first plug-in plate 15.

[0029] Specifically, the inclinometer 8 is connected to the level 9. The inclinometer 8 is used to measure angles, while the level 9 is used to ensure the horizontal reference of the measurement. A mounting plate 5 is provided on the slope measuring ruler body 1. The mounting plate 5 is connected with a closed slide rail 6. The rotating rod 11 is driven to slide in the first plug-in ring 12 through the turning handle 13, so that the rotating rod 11 drives the sliding ring 14 to slide in the first plug-in ring 12. A limiting ring 16 is also connected to the sliding ring 14 for limiting the moving range of the sliding ring 14. The first plug-in plate 15 on the sliding ring 14 is plugged into the adjusting plate 7. The turning handle 13 is rotated. The turning handle 13 drives the rotating shaft 10 to rotate through the adjusting plate 7. The adjusting plate 7 rotates along the closed slide rail 6. When the rotating shaft 10 rotates, the inclinometer 8 can be driven to rotate in the rotating groove, so that the inclinometer 8 can be rotated to different positions for the convenience of the operator. When the inclinometer 8 does not need to be rotated, the turning handle 13 only needs to drive the sliding ring 14 to move upward, so that the first plug-in plate 15 is moved out of the adjusting plate 7, so that the inclinometer 8 will not rotate.

[0030] When it is necessary to measure the slope, the user can adjust the angle of the inclinometer 8 by rotating the adjustment knob 4, and the level 9 on the inclinometer 8 will indicate the current angle.

[0031] A plurality of extension plates 3 are slidably arranged inside the slope measuring ruler body 1, and scale lines are arranged on the surface of the extension plates 3, so that when the extension plates 3 extend to the left and / or right side of the slope measuring ruler, the horizontal distance of the slope can be measured. A plurality of groups of teeth 17 are arranged on the extension plates 3, and an electric gear meshing with the teeth 17 is arranged on the measuring ruler body, and a protective box 18 is connected to the outer periphery of the electric gear.

[0032] On the slope measuring ruler body 1, a second plug-in plate 27 and a slide plate 28 are arranged on the upper side of the extension plate 3. The slide plate 28 is slidably arranged in the second plug-in plate 27. The end of the slide plate 28 away from the second plug-in plate 27 is connected to a handle 31 and is provided with a plug-in block 30. The top of the second plug-in plate 27 is provided with a plug-in hole 29, and the plug-in block 30 is arranged in cooperation with the plug-in hole 29. The top of the rotating rod 11 is connected to the rotating handle 13. The slope measuring ruler body 1 is provided with an adjusting knob 4, which is used to adjust the angle of the inclinometer 8.

[0033] A horizontal distance measuring mechanism is connected to the slope measuring ruler body 1, and the horizontal distance measuring mechanism includes two groups of extension plates 3, on which scale lines are provided. The two groups of extension plates 3 are arranged in the slope measuring ruler body 1, and multiple groups of teeth 17 are connected to the extension plates 3. The slope measuring ruler body 1 is connected to an electric gear meshing with the teeth 17, and a protective box 18 is connected to the outer periphery of the electric gear.

[0034] A protective mechanism that is arranged in cooperation with the extension plate 3 is connected to the slope measuring ruler body 1, and the protective mechanism includes a second plug-in plate 27 and a slide plate 28. The second plug-in plate 27 is connected to the slope measuring ruler body 1, and the slide plate 28 is slidably connected in the second plug-in plate 27. A handle 31 is connected to the end of the slide plate 28 away from the second plug-in plate 27. Two plug-in holes 29 are provided on the second plug-in plate 27. Two plug-in blocks 30 are connected to the second plug-in plate 27, and the plug-in blocks 30 are arranged in cooperation with the plug-in holes 29.

[0035] Specifically, a horizontal distance measuring mechanism is connected to the slope measuring ruler body 1, and multiple groups of teeth 17 are connected to the two groups of extension plates 3. The extension plate 3 is extended out of the slope measuring ruler body 1 to measure the horizontal distance on the slope. An electric gear meshing with the teeth 17 is connected to the slope measuring ruler body 1, and a protective box 18 is connected to the outer periphery of the electric gear to protect the gear from external damage. The slide plate 28 is slidably connected to the second plug-in plate 27, and the slide plate 28 is driven to slide in the second plug-in plate 27 by the handle 31. The second plug-in plate 27 is provided with two plug-in holes 29, which are connected to two plug-in blocks 30. The plug-in blocks 30 are arranged in cooperation with the plug-in holes 29 to fix the slide plate 28 and the second plug-in plate 27. The extension plate 3 is moved into the slope measuring ruler body 1, and the extension plate 3 can be protected by moving the slide plate 28.

[0036] The user uses the suction cup 24 to adhere to the measuring surface, and the placement plate 32 provides stable support. The horizontal distance can be accurately measured through the electric gear and the teeth 17. The cleaning mechanism is used to clean the measuring surface to ensure the accuracy of the measurement. The protective mechanism is used to protect the extension plate 3 to ensure its safety and durability during use. Through rotation and adjustment, the user can measure the slope, horizontal distance and other related parameters.

[0037] The above is a detailed description of an embodiment of the present application, but the content is only a preferred embodiment of the present application and cannot be considered to limit the scope of implementation of the present application. All equivalent changes and improvements made within the scope of the present application should still fall within the scope of the patent coverage of the present application.

Claims

1. A multifunctional slope measuring ruler, characterized in that: The slope measuring ruler comprises a slope measuring ruler body, The top of the slope measuring ruler body is provided with a closed slide rail and a rotating rod, a first plug-in ring and an adjustment plate located inside the closed slide rail, the bottom end of the rotating rod cooperates with the first plug-in ring, a plurality of adjustment plates are connected to the side wall of the first plug-in ring, one end of the adjustment plate is connected to the first plug-in ring, and the other end is connected to the closed slide rail; A closed rotating through slot is provided at the front or rear of the slope measuring ruler body, an inclinometer is provided in the closed rotating through slot, a level meter is connected to the inclinometer, a vertical rotating shaft is provided inside the slope measuring ruler body, one side of the vertical rotating shaft is connected to the inclinometer, and the end of the vertical rotating shaft is connected between the adjusting plates, so that the adjusting plate rotating along the closed slide rail drives the vertical rotating shaft to rotate axially.

2. The slope measuring ruler according to claim 1, characterized in that: The bottom end of the rotating rod cooperates with the first plug-in ring by means of a sleeve sliding ring, a plurality of grooves are provided on the side wall of the first plug-in ring, a plug-in groove is provided at the end of the adjusting plate, the plug-in groove is cooperated with the first plug-in plate, the adjusting plate passes through the groove, and is fixedly connected to the side wall of the sliding ring through the first plug-in plate.

3. The slope measuring ruler according to claim 2, characterized in that: A limiting ring is sleeved on the sliding ring, and the limiting ring is located above the first plug-in board.

4. The slope measuring ruler according to claim 1, characterized in that: A plurality of extension plates are slidably arranged inside the body of the slope measuring ruler, and scale lines are arranged on the surfaces of the extension plates so that when the extension plates extend out of the left side and / or the right side of the slope measuring ruler, the horizontal distance of the slope can be measured.

5. The slope measuring ruler according to claim 4, characterized in that: The extension plate is provided with a plurality of groups of teeth, the measuring ruler body is provided with an electric gear meshing with the teeth, and the outer periphery of the electric gear is connected with a protective box.

6. The slope measuring ruler according to claim 5, characterized in that: On the slope measuring ruler body, a second plug-in board and a slide plate are arranged on the upper side of the extension plate, the slide plate is slidably arranged in the second plug-in board, the end of the slide plate away from the second plug-in board is connected to a handle and is provided with a plug-in block, the top end of the second plug-in board is provided with a plug-in hole, and the plug-in block is arranged in cooperation with the plug-in hole.

7. The slope measuring ruler according to claim 1, characterized in that: The slope measuring ruler also includes a second plug-in ring and a placement plate for contacting the measuring surface, one side of the second plug-in ring is connected to the bottom of the slope measuring ruler body, and the other side is connected to the placement plate through a connecting rod, and a connecting plate and a brush arranged on the connecting plate are arranged on the upper side of the placement plate.

8. The slope measuring ruler according to claim 7, characterized in that: The placement plate is also provided with a suction cup, the suction cup is connected with an air pipe, one end of the air pipe is connected with an air pump, and the air pump is used to adsorb the suction cup on the measurement surface.

9. The slope measuring ruler according to claim 1, characterized in that: The top end of the rotating rod is connected with a rotating handle.

10. The slope measuring ruler according to claim 1, characterized in that: The slope measuring ruler body is provided with an adjusting knob, and the adjusting knob is used to adjust the angle of the inclinometer.

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