CN216074649U - Device for measuring height of hanging wire and inversely calculating road surface loose pavement elevation - Google Patents
Device for measuring height of hanging wire and inversely calculating road surface loose pavement elevation Download PDFInfo
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- CN216074649U CN216074649U CN202220287490.8U CN202220287490U CN216074649U CN 216074649 U CN216074649 U CN 216074649U CN 202220287490 U CN202220287490 U CN 202220287490U CN 216074649 U CN216074649 U CN 216074649U
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Abstract
The utility model relates to a device for measuring hanging line height and inversely calculating road surface loose pavement elevation, and belongs to the technical field of road construction measurement. The device comprises a triangular base, wherein a vertical rod is arranged in the triangular base, and a triangular measuring frame is sleeved on the vertical rod; the triangular base comprises a horizontal base, one end of the horizontal base is vertically provided with a height scale, and the free end of the height scale is connected with the free end of the horizontal base through a diagonal draw bar of the base; the vertical rod and the height scale are arranged in parallel, the bottom end of the vertical rod is connected with the horizontal base, and the second end of the vertical rod is connected with the inclined pull rod of the base; the triangular measuring frame comprises a horizontal indicating rod, one end of the horizontal indicating rod is vertically connected with a sleeve, the sleeve is sleeved on the vertical rod, the sleeve can rotate around the vertical rod, and the free end of the sleeve is connected with the free end of the horizontal indicating rod through a measuring oblique rod. The utility model realizes nondestructive measurement, can accurately measure the elevation of the pavement loose-paving structure and improves the qualification rate of the pavement loose-paving.
Description
Technical Field
The utility model relates to a device for measuring hanging line height and inversely calculating road surface loose pavement elevation, and belongs to the technical field of road construction measurement.
Background
The paving of a pavement structure layer in the construction of highway engineering is an important part in the quality control of the pavement structure layer, and the resistance of the paved road to the damage of travelling vehicles and human factors can be effectively improved by improving paving mechanical equipment and optimizing control measures such as a paving process and the like, so that the pavement is smooth, dustless, waterproof and durable, and the entity quality is integrally improved.
When the road surface is paved, under the condition that the mechanical rolling combination is the same, the control of the loose paving elevation is particularly important, and if the elevation of the formed compacted structure layer does not meet the requirement, the road section is judged to be unqualified. In order to effectively solve the problem, before construction, each construction unit can estimate a loose paving coefficient according to the previous construction experience, and finally the loose paving coefficient and the loose paving elevation are determined under the condition that the compactness and elevation detection is qualified through construction of a test section. At present, a method for measuring a loose pavement elevation is to use a steel chisel to insert downwards and use a steel plate ruler to measure the thickness of the inserted part to determine the loose pavement elevation, but the method has the following defects:
when the bottom layer is inserted, whether the bottom layer is inserted to the bottom cannot be determined, if the bottom layer meets coarse aggregate or the bottom layer is inserted into the range of the bottom layer by using double-layer paving, the measurement is inaccurate, and therefore the accuracy of judgment is directly influenced.
SUMMERY OF THE UTILITY MODEL
The device for measuring the height of the hanging line and inversely calculating the loose pavement elevation of the road surface overcomes the defects of the prior art, realizes measurement without damage, can accurately measure the elevation of a loose pavement structure of the road surface, and improves the qualification rate of the loose pavement of the road surface.
The device for measuring the height of the hanging line and inversely calculating the road surface loose pavement elevation comprises a triangular base, wherein a vertical rod is arranged in the triangular base, and a triangular measuring frame is sleeved on the vertical rod;
the triangular base comprises a horizontal base, one end of the horizontal base is vertically provided with a height scale, and the free end of the height scale is connected with the free end of the horizontal base through a diagonal draw bar of the base; the vertical rod and the height scale are arranged in parallel, the bottom end of the vertical rod is connected with the horizontal base, and the second end of the vertical rod is connected with the inclined pull rod of the base;
the triangular measuring frame comprises a horizontal indicating rod, one end of the horizontal indicating rod is vertically connected with a sleeve, the sleeve is sleeved on the vertical rod, the sleeve can rotate around the vertical rod, and the free end of the sleeve is connected with the free end of the horizontal indicating rod through a measuring oblique rod.
Working process or working principle:
before detection, manually tensioning construction lines on the same pile numbers on two sides; the triangular base is placed on the road surface, the sleeve is pulled upwards, the horizontal indicating rod moves upwards to the upper side of the construction line, then the sleeve is rotated, the horizontal indicating rod rotates to the position right above the construction line, the horizontal indicating rod gradually moves downwards until the horizontal indicating rod is contacted with the construction line, the reading of the height scale is read, the standard height of hanging lines on the two sides is subtracted, and the road surface loose pavement elevation can be reversely calculated.
The bottom end face of the horizontal base is arranged in an upward inclined mode from the height scale to the base diagonal draw bar relative to the top end face of the horizontal base, and the inclination is used for compensating the pavement laying inclination in measurement; the top end face of the horizontal base is perpendicular to the height scale.
The bottom end face of the horizontal indicating rod is arranged in parallel with the top end face of the horizontal base.
The measuring diagonal rod is connected with the middle part of the horizontal indicating rod.
The triangular base and the triangular measuring frame are similar triangles.
The horizontal base is a rectangular frame, horizontal bubbles are arranged in the middle of the horizontal base and used for measuring whether the top end face of the horizontal base is kept horizontal or not.
The horizontal base, the base diagonal draw bar, the height scale, the sleeve, the horizontal indicating rod and the measuring diagonal draw bar are made of stainless steel or aluminum alloy.
The horizontal base, the base diagonal draw bar and the height scale are connected by welding; the horizontal indicating rod and the measuring diagonal rod are connected by welding.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the triangular base and the triangular measuring frame are arranged, and the elevation of the pavement loose-laying structure is inversely calculated through the measuring construction line, so that pavement measurement is not damaged, the measurement is accurate, the qualification rate of pavement loose-laying is improved, the unqualified detection of the pavement loose-laying elevation caused by other factors is solved, and the condition that the elevation, the thickness and other parameters of the structural layer are not qualified is avoided.
2. Through setting up horizontal bubble, can adjust and control the device of measurement hanging wire height inverse calculation road surface loose pavement elevation keep the level to measure, guarantee the verticality of altitude scale, ensured the reading accuracy.
3. Through setting up the altitude scale, can read rapidly, the actual hanging wire height is reflected directly perceivedly.
4. The device for measuring the height of the hanging line and inversely calculating the road surface loose pavement elevation is made of aluminum alloy materials, is light in weight, is not prone to deformation, and is convenient to carry.
5. The device for measuring the height of the hanging wire and inversely calculating the road surface loose pavement elevation is made of stainless steel, has stable structure and good strength, is not easy to deform and is convenient to carry.
Drawings
FIG. 1: the structure of embodiment 1 of the utility model is schematically shown,
FIG. 2: the structure of the triangle measuring rack in the folding state in figure 1 is schematically shown,
FIG. 3: the structure of embodiment 2 of the utility model is schematically shown,
FIG. 4: the structure at I in FIG. 3 is schematically shown.
In the figure: 1. a triangular base; 2. a triangular measuring stand;
11. a horizontal base; 12. horizontal bubbles; 13. erecting a rod; 14. a height scale; 15. a base diagonal member; 16. a horizontal line;
21. a sleeve; 22. a horizontal indicating rod; 23. and measuring the diagonal rods.
In the figure, A represents the angle between the horizontal base and the horizontal line.
Detailed Description
Example 1
As shown in fig. 1-2, the device for measuring the height of the hanging wire and inversely calculating the loose pavement elevation of the pavement comprises a triangular base 1, wherein a vertical rod 13 is arranged in the triangular base 1, and a triangular measuring frame 2 is sleeved on the vertical rod 13.
Wherein:
the triangular base 1 comprises a horizontal base 11, one end of the horizontal base 11 is vertically provided with a height scale 14, and the height scale 14 can be formed by machining a steel plate ruler; the free end of the height scale 14 is connected with the free end of the horizontal base 11 through a base diagonal draw bar 15; the upright 13 is arranged in parallel with the height scale 14, the bottom end of the upright 13 is connected with the horizontal base 11, and the second end of the upright 13 is connected with the inclined pull rod 15 of the base; the height scale 14 is relatively level with the horizontal base.
The triangular measuring frame 2 comprises a horizontal indicating rod 22, one end of the horizontal indicating rod 22 is vertically connected with a sleeve 21, the sleeve 21 is sleeved on the vertical rod 13, the sleeve 21 can rotate around the vertical rod 13, and the free end of the sleeve 21 and the free end of the horizontal indicating rod 22 are connected through a measuring oblique rod 23.
Example 2
As shown in fig. 3 to 4, the bottom end face of the horizontal base 11 is inclined upward from the height scale 14 to the base diagonal member 15 relative to the top end face of the horizontal base 11, and the inclination is used for compensating the pavement laying inclination in the measurement; the top end face of the horizontal base 11 is arranged perpendicular to the height scale 14.
As shown in fig. 4, when the top end surface of the horizontal base is kept horizontal, the bottom end surface of the horizontal base forms an included angle a with the horizontal line; the road surface loose paving inclination angle is A, and the horizontal base is placed on the road surface on which loose paving is completed, so that the top end face of the horizontal base is kept horizontal, and accurate measurement is ensured.
In order to meet the requirement of road surface drainage, the road surface is loosely paved from the middle part to two sides in an inclined and downward manner on the cross section of the road surface. The inclination angle of the loose pavement of the pavement is the included angle formed by the horizontal line of the lateral side and the pavement. The included angle between the bottom end surface of the horizontal base and the horizontal line is A; the pavement loose-paving inclination angle is A; after compensation, the top end face of the horizontal base keeps horizontal, and measurement is accurate.
In practice, the device for measuring the height of the hanging line and inversely calculating the height of the loose pavement can be adopted to measure according to the requirement of the loose pavement inclination angle of the pavement, and the measurement accuracy is ensured.
The bottom end face of the horizontal indicating rod 22 is arranged in parallel with the top end face of the horizontal base 11.
The measuring diagonal rod 23 is connected with the middle part of the horizontal indicating rod 22.
The rest is the same as example 1.
Example 3
As shown in fig. 3 to 4, the triangular base 1 and the triangular measuring stand 2 are similar triangles; the horizontal base, the height scale and the base diagonal draw bar are connected to form a triangle, and the sleeve, the horizontal indicating rod and the measuring diagonal draw bar form a triangle in a similar relation.
The horizontal base 11 is a rectangular frame, and the horizontal base 11 can be made of a square steel tube with the length of 1m, the width of 10cm and the height of 4 cm. The middle part of the horizontal base 11 is provided with a horizontal bubble 12, and the horizontal bubble 12 is used for measuring whether the top end surface of the horizontal base 11 is kept horizontal.
The rest is the same as example 2.
Example 4
As shown in fig. 3 to 4, the horizontal base 11, the base diagonal member 15, the leveling rod 14, the sleeve 21, the horizontal indicating rod 22, and the measurement diagonal member 23 are made of stainless steel or aluminum alloy.
The horizontal base 11, the base diagonal draw bar 15 and the height scale 14 are connected by welding; the level indicating rod 22 and the measuring diagonal rod 23 are connected by welding. The rest is the same as example 3.
Working process or working principle:
1. before detection, manually tensioning construction lines between piles with the same pile numbers on two sides;
2. the triangular base is placed on the road surface, the sleeve pipe is pulled upwards, the horizontal indicating rod moves upwards to the upper side of the construction line, then the sleeve pipe is rotated, the horizontal indicating rod rotates to the position right above the construction line, the horizontal indicating rod gradually moves downwards until the horizontal indicating rod is contacted with the construction line, and the reading of the height scale is read.
3. Before construction, piles are arranged on two sides, hanging lines are arranged between the piles, the hanging lines on the two sides are generally in standard height according to construction requirements, construction lines are pulled between the piles with the same pile numbers of the hanging lines on the two sides, the height of the construction lines obtained through measurement is the height of the hanging lines after loose paving is completed, and the full-section loose paving height can be detected by subtracting the standard height.
The description of the directions and the relative position relationship of the structures in the present invention, such as the description of the front, the back, the left, the right, the upper and the lower, does not limit the present invention, and is only for the convenience of description.
Claims (8)
1. A device for measuring the height of a hanging wire and inversely calculating the height of a loose pavement on a road surface is characterized by comprising a triangular base (1), wherein a vertical rod (13) is arranged in the triangular base (1), and a triangular measuring frame (2) is sleeved on the vertical rod (13);
the triangular base (1) comprises a horizontal base (11), one end of the horizontal base (11) is vertically provided with a height scale (14), and the free end of the height scale (14) is connected with the free end of the horizontal base (11) through a base diagonal draw bar (15); the upright stanchion (13) is arranged in parallel with the height scale (14), the bottom end of the upright stanchion (13) is connected with the horizontal base (11), and the second end of the upright stanchion (13) is connected with the inclined pull rod (15) of the base;
the triangular measuring frame (2) comprises a horizontal indicating rod (22), one end of the horizontal indicating rod (22) is vertically connected with a sleeve (21), the sleeve (21) is sleeved on the vertical rod (13), the sleeve (21) can rotate around the vertical rod (13), and the free end of the sleeve (21) is connected with the free end of the horizontal indicating rod (22) through a measuring oblique rod (23).
2. The device for measuring the hanging wire height and inversely calculating the road surface loose pavement elevation as claimed in claim 1, wherein the bottom end surface of the horizontal base (11) is inclined upwards from the height scale (14) to the base diagonal draw bar (15) relative to the top end surface of the horizontal base (11), and the inclination is used for compensating the pavement laying inclination in the measurement; the top end face of the horizontal base (11) is perpendicular to the height scale (14).
3. The device for measuring the hanging wire height and inversely calculating the road surface loose pavement height as claimed in claim 2, wherein the bottom end surface of the horizontal indicating rod (22) is arranged in parallel with the top end surface of the horizontal base (11).
4. The device for measuring the hanging wire height and inversely calculating the loose pavement elevation of the road surface according to the claim 3, is characterized in that a measuring diagonal rod (23) is connected with the middle part of a horizontal indicating rod (22).
5. The device for measuring the hanging line height and inversely calculating the road surface loose pavement elevation as claimed in claim 4, wherein the triangular base (1) and the triangular measuring frame (2) are similar to a triangle.
6. The device for measuring the hanging line height for inversely calculating the loose pavement height of the road surface according to any one of claims 1 to 5, is characterized in that the horizontal base (11) is a rectangular frame, a horizontal bubble (12) is arranged in the middle of the horizontal base (11), and the horizontal bubble (12) is used for measuring whether the top end surface of the horizontal base (11) is kept horizontal.
7. The device for measuring the hanging wire height and inversely calculating the road surface loose pavement elevation as claimed in claim 6, wherein the horizontal base (11), the base diagonal draw bar (15), the height scale (14), the sleeve (21), the horizontal indicating rod (22) and the measuring diagonal draw bar (23) are made of stainless steel or aluminum alloy.
8. The device for measuring the hanging wire height and inversely calculating the road surface loose pavement elevation as claimed in claim 7, wherein the horizontal base (11), the base diagonal draw bar (15) and the height scale (14) are connected by welding; the horizontal indicating rod (22) and the measuring diagonal rod (23) are connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220287490.8U CN216074649U (en) | 2022-02-14 | 2022-02-14 | Device for measuring height of hanging wire and inversely calculating road surface loose pavement elevation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220287490.8U CN216074649U (en) | 2022-02-14 | 2022-02-14 | Device for measuring height of hanging wire and inversely calculating road surface loose pavement elevation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216074649U true CN216074649U (en) | 2022-03-18 |
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ID=80662448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220287490.8U Active CN216074649U (en) | 2022-02-14 | 2022-02-14 | Device for measuring height of hanging wire and inversely calculating road surface loose pavement elevation |
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| Country | Link |
|---|---|
| CN (1) | CN216074649U (en) |
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2022
- 2022-02-14 CN CN202220287490.8U patent/CN216074649U/en active Active
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