CN219301468U - Ruler inserting tool for measuring thickness of road asphalt - Google Patents
Ruler inserting tool for measuring thickness of road asphalt Download PDFInfo
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- CN219301468U CN219301468U CN202223538414.9U CN202223538414U CN219301468U CN 219301468 U CN219301468 U CN 219301468U CN 202223538414 U CN202223538414 U CN 202223538414U CN 219301468 U CN219301468 U CN 219301468U
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Abstract
The utility model provides a ruler inserting tool for measuring the thickness of road asphalt, which comprises an auxiliary sleeve, wherein a through cavity is formed in the auxiliary sleeve; the measuring rod freely penetrates through the cavity in the auxiliary sleeve, and the measuring rod and the auxiliary sleeve can be connected in a sliding mode; the wall of the measuring rod is provided with scale marks; the top of the measuring rod is connected with an armrest; the measuring plate is connected to the bottom of the auxiliary sleeve; the center of the measuring plate is provided with a center hole, and the measuring rod can freely pass through the center hole; the auxiliary sleeve or the armrest is provided with a locking mechanism for positioning the measuring rod. The tool can improve the operation efficiency, promote the safety guarantee and ensure the accuracy of measurement.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a ruler inserting tool for measuring road asphalt thickness.
Background
When the asphalt mixture pavement paving is in paving operation, the loose paving thickness of the mixture needs to be detected to determine whether the asphalt mixture meets the standard. At present, two main measurement modes exist in the construction site: firstly, a steel rule is adopted to be inserted into asphalt for direct measurement. The measurement reading is visual, but asphalt can pollute a steel rule, affect the subsequent use, and easily scald hands or pollute hands; secondly, the slender borer is inserted into the asphalt pavement, such as an iron wire or a screwdriver, and then is manually matched with the asphalt pavement to mark the top surface of the asphalt pavement, and then the asphalt pavement is taken out for measurement by a steel rule.
Disclosure of Invention
In order to solve the problems in the prior art, a ruler inserting tool for measuring the thickness of road asphalt is provided. The tool can improve the operation efficiency, promote the safety guarantee and ensure the accuracy of measurement.
The technical scheme adopted for solving the technical problems is as follows:
this technical scheme has proposed an insertion chi instrument for measuring road pitch thickness, includes:
the auxiliary sleeve is internally provided with a through cavity;
the measuring rod freely penetrates through the cavity in the auxiliary sleeve, and the measuring rod is in sliding connection with the auxiliary sleeve; the wall of the measuring rod is provided with scale marks; the top of the measuring rod is connected with an armrest;
the measuring plate is connected to the bottom of the auxiliary sleeve; the center of the measuring plate is provided with a center hole, and the measuring rod can freely pass through the center hole;
and a locking mechanism for positioning the measuring rod is arranged on the auxiliary sleeve or the armrest.
Preferably, the locking mechanism is a locking jackscrew, the wall of the auxiliary sleeve is connected with the locking jackscrew in a threaded manner, and after the locking jackscrew is screwed, the locking jackscrew is propped against the rod wall of the measuring rod.
Preferably, the values of the scale marks gradually increase from bottom to top, and the zero scale marks of the scale marks are flush with the bottom end of the measuring rod.
Preferably, the wall of the auxiliary sleeve is provided with at least one sliding groove, the rod wall of the measuring rod is connected with a guide rod, and the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove.
Preferably, the numerical value of the scale mark gradually increases from bottom to top, when the guide rod is located at the top of the chute, the zero scale mark of the scale mark is flush with the top end of the auxiliary sleeve, and the bottom end of the measuring rod is flush with the bottom end of the measuring plate.
Preferably, the locking mechanism comprises a vertical plate fixedly connected to the bottom of the handrail, the vertical plate is connected with a guide post which is transversely arranged in a sliding manner, one end of the guide post is connected with a vertical rod, and the vertical rod is connected with an extrusion plate which is used for acting on the outer wall of the auxiliary sleeve; the vertical plate is also in threaded connection with a bolt for propping up the vertical rod.
Preferably, the guide post is sleeved with a tension spring, one end of the tension spring is connected with the vertical rod, and the other end of the tension spring is connected with the vertical plate.
Preferably, the top of the armrest is connected with a tube level bubble.
Preferably, the outer wall of the handrail is connected with an anti-slip rubber handle sleeve.
Compared with the prior art, the utility model has the following advantages:
1. the utility model comprises a measuring rod, an armrest, an auxiliary sleeve, a fixing bolt, a measuring plate and the like, when in use, the measuring rod is inserted into an asphalt paving layer, after the measuring rod is inserted into place, the position of the measuring rod is positioned by utilizing a locking mechanism, and the insertion depth of the measuring rod is intuitively obtained by scale marks on the measuring rod, so that the thickness of the asphalt paving layer can be measured according to the insertion depth. The tool can improve the operation efficiency, promote the safety guarantee and ensure the accuracy of measurement.
2. The arrangement of the scale marks has two structural forms, one is that the scale marks are arranged at a position close to the bottom, the zero scale marks of the scale marks are flush with the bottom end of the measuring rod, when the asphalt paving thickness measuring device is used, the bottom end of the measuring rod is flush with the bottom end of the measuring plate and is pressed on the asphalt surface layer, namely, the zero scale marks of the scale marks are flush with the bottom end of the measuring plate, and after the measuring rod is inserted, the scale marks pointed by the bottom end of the measuring plate are the asphalt paving thickness; secondly, set up in the position that is close to the middle part, the zero scale mark of scale mark is parallel and level mutually with auxiliary sleeve's top, after inserting the measuring rod down, the pointed scale in auxiliary sleeve's top is the degree of depth of inserting under the measuring rod, pitch laying thickness promptly, and this mode compares first mode, and the reading position is higher, more makes things convenient for the reading, and pitch can not pollute the scale moreover.
3. The measuring plate provided by the utility model can play two roles, namely, the contact area is increased, the bottom plane of the measuring plate is reliably contacted with the surface of the asphalt paving layer in a large area, and the stable and balanced supporting force can be provided for the measuring rod during insertion, so that the measuring accuracy is ensured; and secondly, the function of pointing to the mark is achieved, and the measuring plate is used for pointing to the scale mark, so that the reading is facilitated.
4. The locking mechanism provided by the utility model has two structural forms, one of which adopts a mode of locking the jackscrew, and has simple structure and easy processing; secondly, adopt stripper plate, bolt, guide pillar and montant structural style, need not to bow again when using and operated, its operating point moves up to the handrail position, when using, only need screw the bolt in the hand position and can realize stripper plate extrusion and fix on auxiliary sleeve's outer wall, realize the position location of measuring stick, the operation is more convenient.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is a schematic view of the measuring rod and armrest structure of fig. 1.
Fig. 3 is a schematic view of the measuring plate structure in fig. 1.
Fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.
Fig. 5 is a schematic view of the auxiliary sleeve structure in fig. 4.
FIG. 6 is a cross-sectional view of the measuring rod, guide rod and auxiliary sleeve mating relationship.
Fig. 7 is a schematic diagram of a third embodiment of the present utility model.
Fig. 8 is a schematic view of a riser structure.
Fig. 9 is an enlarged view of a portion of the structure of the plate, guide post, vertical post, and bolt engagement relationship of fig. 7.
Fig. 10 is a schematic view of the mating relationship of the stripper plate and auxiliary sleeve of fig. 7.
Reference numerals illustrate:
1, measuring a rod; 2 armrests; 3 tube level bubble; 4, an auxiliary sleeve; 5, locking the jackscrew; 6 measuring plate; 61 a central bore; 7, scale marks; 8, a chute; 9, a guide rod; 10 extruding a plate; 11 connecting rods; 12 vertical rods; 13 guide posts; a 14 tension spring; 15 vertical plates; 151 through holes; 152 threaded holes; 16 bolts.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1-3, this embodiment provides a ruler-inserting tool for measuring road asphalt thickness, which includes an auxiliary sleeve 4, a measuring rod 1, a measuring plate 6, a locking mechanism, and other structures, and is described in detail below:
regarding the auxiliary sleeve 4, the inside of the auxiliary sleeve 4 has a through cavity; the auxiliary sleeve 4 is a steel pipe with the diameter of 16mm and the length of 15cm.
Regarding the measuring rod 1, the measuring rod 1 freely penetrates through a cavity in the auxiliary sleeve 4, and the measuring rod 1 and the auxiliary sleeve 4 can be connected in a sliding manner; the measuring rod 1 can be an HPB300-14 steel bar member, and the length of the measuring rod 1 is 70-90cm; on the wall of the measuring rod 1, graduation marks 7 are provided for measuring the asphalt laying thickness.
The top of the measuring rod 1 is connected with an armrest 2, the armrest 2 is horizontally arranged, and the armrest 2 is vertically welded with the measuring rod 1; in order to ensure the cutting verticality of the measuring rod 1, a tube level bubble 3 is connected to the top of the armrest 2, and the position adjustment before cutting can be performed by means of the tube level bubble 3, so that the follow-up cutting is ensured not to be askew, and finally the measurement accuracy is ensured.
For convenient holding, the outer wall of the handrail 2 is connected with an anti-slip rubber handle sleeve.
With respect to the measuring plate 6, the measuring plate 6 is connected to the bottom of the auxiliary sleeve 4; the measuring plate 6 and the auxiliary sleeve 4 adopt a welding mode, a central hole 61 is formed in the center of the measuring plate 6, the aperture of the central hole 61 is larger than the outer diameter of the auxiliary sleeve 4, the measuring rod 1 can freely pass through the central hole 61, and when welding is carried out, the bottom end of the auxiliary sleeve 4 is flush with the bottom surface of the measuring plate 6.
The measuring plate 6 may be a steel plate made of 80 x 5mm q 235.
The auxiliary sleeve 4 or the armrest 2 is provided with a locking mechanism for positioning the measuring rod 1. In the present embodiment, the locking mechanism is provided on the auxiliary sleeve 4 in the following structural form:
the locking mechanism is a locking jackscrew, the wall of the auxiliary sleeve 4 is connected with the locking jackscrew in a threaded manner, and after the locking jackscrew is screwed, the locking jackscrew is propped against the rod wall of the measuring rod 1. The mode of locking jackscrews is adopted, and the device has the advantages of being simple in structure and easy to process.
In this embodiment, the value of the scale mark 7 is gradually increased from bottom to top, the zero scale mark of the scale mark 7 is flush with the bottom end of the measuring rod 1, in the initial state, the bottom end of the measuring plate 6 is located on the surface of the asphalt layer to be measured, at this time, the zero scale mark of the scale mark 7 is also flush with the bottom surface of the measuring plate 6, when the measuring rod 1 is inserted downwards, the measuring plate 6 is used as a pointing mark, and the scale mark pointed by the measuring plate 6 is the asphalt thickness. Therefore, the measuring plate 6 arranged in the scheme can play two roles, namely, the contact area is increased, the bottom plane of the measuring plate 6 is reliably contacted with the surface of the asphalt paving layer in a large area, stable and balanced supporting force can be provided for the measuring rod 1 during insertion, and the measuring accuracy is ensured; and secondly, the function of pointing to the mark is achieved, and the measuring plate 6 is used for pointing to the scale mark 7, so that the reading is facilitated.
Working principle:
the tool consists of a measuring rod 1, an armrest 2, an auxiliary sleeve 4, a fixing bolt, a measuring plate 6 and the like, when the tool is used, the measuring plate 6 is pressed on the surface of an asphalt layer, the measuring rod 1 is inserted into the asphalt layer, after the measuring rod 1 is inserted into the asphalt layer, the position of the measuring rod 1 is positioned by a locking mechanism (a locking jackscrew is adopted in the embodiment), the measuring rod 1 is pulled out after the positioning, and the loose pavement thickness of asphalt can be obtained according to the scale corresponding to the measuring plate 6, so that the insertion depth of the measuring rod 1 is intuitively obtained by the scale mark 7 on the measuring rod 1, and the thickness of the asphalt layer can be measured according to the insertion depth. The tool can improve the operation efficiency, promote the safety guarantee and ensure the accuracy of measurement.
Example two
As shown in fig. 4-6, other structures are the same as those of the first embodiment, except that in this embodiment, the setting positions of the graduation marks 7 may also be in the following structural form:
at least one sliding groove 8 is formed in the wall of the auxiliary sleeve 4, two sliding grooves 8 are formed in the embodiment, the guide rod 9 is connected to the rod wall of the measuring rod 1, the guide rod 9 penetrates through the sliding groove 8 and is in sliding connection with the sliding groove 8, and when the measuring rod 1 moves up and down, the guide rod 9 can be driven to move up and down along the sliding way.
In this embodiment, the number of the graduation marks 7 is gradually increased from bottom to top, when the guide rod 9 is located at the top of the chute 8, the zero graduation of the graduation marks 7 is flush with the top end of the auxiliary sleeve 4, and the bottom end of the measuring rod 1 is flush with the bottom end of the measuring plate 6. In this scheme, guide bar 9 still plays the locate action, and when this device was placed behind the pitch layer surface, measuring stick 1 bottom was located the surface on pitch layer, and guide bar 9 just in time was located spout 8's top this moment, and the zero scale of this moment just in time with auxiliary sleeve 4's top looks parallel and level.
In view of the embodiment, the arrangement of the scale marks 7 has two structural forms, one is that the scale marks 7 are arranged at a position close to the bottom, the zero scale marks of the scale marks 7 are flush with the bottom end of the measuring rod 1, when in use, the bottom end of the measuring rod 1 is flush with the bottom end of the measuring plate 6 and is pressed on the asphalt surface layer, that is to say, the zero scale marks of the scale marks 7 are flush with the bottom end of the measuring plate 6, after the measuring rod 1 is inserted, the scale marks 7 pointed by the bottom end of the measuring plate 6 are the paving thickness of asphalt, and the disadvantage of the mode is that the scale marks 7 are easily polluted by asphalt and possibly influence the reading; secondly, set up in the position that is close to the middle part, the zero scale mark of scale mark 7 is parallel and level mutually with auxiliary sleeve 4's top, inserts measuring rod 1 down after, and the pointed scale in auxiliary sleeve 4's top is measuring rod 1 depth of inserting down, pitch laying thickness promptly, and this mode compares first mode, and the reading position is higher, more makes things convenient for the reading, and pitch can not pollute the scale moreover.
Example III
As shown in fig. 7-10, other structures are the same as the embodiments, except that the inventor considers that when the locking mechanism is in the structure form of locking jackscrew, the locking mechanism needs to be bent down and screwed by a worker during operation, and has the disadvantage of inconvenient operation, so that the inventor improves the structure, in this embodiment, the locking mechanism can be in the following structure form:
the locking mechanism comprises a vertical plate 15 fixedly connected to the bottom of the handrail 2, the vertical plate 15 is connected with a guide post 13 which is transversely arranged in a sliding manner, the vertical plate 15 is provided with a through hole 151, and the guide post 13 can slide left and right along the through hole 151; one end of the guide post 13 is connected with a vertical rod 12, the vertical rod 12 is connected with an extrusion plate 10 used for acting on the outer wall of the auxiliary sleeve 4, and when the extrusion plate 10 extrudes the outer wall of the auxiliary sleeve 4, the position of the measuring rod 1 can be positioned; the vertical plate 15 is provided with a threaded hole 152, and is in threaded connection with a bolt 16 for supporting the vertical rod 12. The bolt 16 can be a knurled screw by hand, so that the operation is convenient. The extrusion plate 10 is connected with the vertical rod 12 through the connecting rod 11, and the extrusion plate 10 is of an arc-shaped structure and can be attached to the outer wall of the auxiliary sleeve 4.
The guide post 13 is sleeved with a tension spring 14, one end of the tension spring 14 is connected with the vertical rod 12, and the other end is connected with a vertical plate 15. In the initial state, under the action of the tension spring 14, a gap is reserved between the extrusion plate 10 and the auxiliary sleeve 4, and the sliding of the measuring rod 1 is not affected.
Working principle:
when the device is used, the measuring rod 1 is inserted downwards, the measuring rod 1 drives the vertical rod 12 to move downwards through the handrail 2, and then the extrusion plate 10 is driven to move downwards; after measuring stick 1 inserts down in place, through screwing bolt 16, bolt 16 promotes montant 12 and removes, montant 12 is close to auxiliary sleeve 4 direction, and then drive stripper plate 10 to auxiliary sleeve 4 outer wall be close to until stripper plate 10 closely laminating on auxiliary sleeve 4's outer wall, because stripper plate 10 tightly extrudees, can't carry out the relative slip between measuring stick 1 and the auxiliary sleeve 4 any longer, the location of measuring stick 1 position has just been realized, at this moment, the scale that auxiliary sleeve 4 top was the thickness of pitch promptly, in order to make things convenient for the reading, after measuring stick 1 location, can wholly pull out the back again and read, need not to bow down again and look over the scale.
In this embodiment, the locking mechanism adopts the structural form of the extrusion plate 10, the bolt 16, the guide post 13 and the vertical rod 12, when in use, the operation part of the locking mechanism does not need to bend down again, the operation part moves up to the position of the handrail 2, when in use, the extrusion plate 10 can be extruded and fixed on the outer wall of the auxiliary sleeve 4 only by screwing the bolt 16 at the hand position, the position positioning of the measuring rod 1 is realized, and the operation is more convenient.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An insertion ruler tool for measuring the thickness of road asphalt, which is characterized by comprising:
the auxiliary sleeve is internally provided with a through cavity;
the measuring rod freely penetrates through the cavity in the auxiliary sleeve, and the measuring rod is in sliding connection with the auxiliary sleeve; the wall of the measuring rod is provided with scale marks; the top of the measuring rod is connected with an armrest;
the measuring plate is connected to the bottom of the auxiliary sleeve; the center of the measuring plate is provided with a center hole, and the measuring rod can freely pass through the center hole;
and a locking mechanism for positioning the measuring rod is arranged on the auxiliary sleeve or the armrest.
2. The ruler inserting tool for measuring the thickness of the road asphalt according to claim 1, wherein the locking mechanism is a locking jackscrew, the wall of the auxiliary sleeve is connected with the locking jackscrew in a threaded mode, and after the locking jackscrew is screwed, the locking jackscrew is pressed against the rod wall of the measuring rod.
3. A ruler-inserting tool for measuring road asphalt thickness according to claim 2, wherein the values of the graduation marks gradually increase from bottom to top, and zero graduation marks of the graduation marks are flush with the bottom end of the measuring rod.
4. The ruler inserting tool for measuring the thickness of the road asphalt according to claim 1, wherein at least one sliding groove is formed in the wall of the auxiliary sleeve, a guide rod is connected to the rod wall of the measuring rod, and the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove.
5. The ruler insertion tool for measuring the thickness of the road asphalt according to claim 4, wherein the values of the graduation marks gradually increase from bottom to top, zero graduation marks of the graduation marks are flush with the top end of the auxiliary sleeve when the guide rod is positioned at the topmost part of the chute, and the bottom end of the measuring rod is flush with the bottom end of the measuring plate.
6. The ruler inserting tool for measuring the thickness of the road asphalt according to claim 1 or 5, wherein the locking mechanism comprises a vertical plate fixedly connected to the bottom of the handrail, the vertical plate is connected with a guide post in a sliding manner, one end of the guide post is connected with a vertical rod, and the vertical rod is connected with a squeezing plate used for acting on the outer wall of the auxiliary sleeve; the vertical plate is also in threaded connection with a bolt for propping up the vertical rod.
7. The ruler inserting tool for measuring the thickness of the road asphalt according to claim 6, wherein the guide post is sleeved with a tension spring, one end of the tension spring is connected with the vertical rod, and the other end of the tension spring is connected with the vertical plate.
8. The ruler insertion tool for measuring the thickness of asphalt on a road according to claim 1, wherein a tube level bubble is connected to the top of the handrail.
9. The ruler inserting tool for measuring the thickness of the road asphalt according to claim 1, wherein the outer wall of the handrail is connected with an anti-slip rubber handle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223538414.9U CN219301468U (en) | 2022-12-29 | 2022-12-29 | Ruler inserting tool for measuring thickness of road asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223538414.9U CN219301468U (en) | 2022-12-29 | 2022-12-29 | Ruler inserting tool for measuring thickness of road asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219301468U true CN219301468U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223538414.9U Active CN219301468U (en) | 2022-12-29 | 2022-12-29 | Ruler inserting tool for measuring thickness of road asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219301468U (en) |
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2022
- 2022-12-29 CN CN202223538414.9U patent/CN219301468U/en active Active
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