CN219589592U - Asphalt pavement paving thickness measuring ruler - Google Patents
Asphalt pavement paving thickness measuring ruler Download PDFInfo
- Publication number
- CN219589592U CN219589592U CN202321351659.2U CN202321351659U CN219589592U CN 219589592 U CN219589592 U CN 219589592U CN 202321351659 U CN202321351659 U CN 202321351659U CN 219589592 U CN219589592 U CN 219589592U
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- China
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- protective cover
- shell
- asphalt pavement
- pin shaft
- measuring ruler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of pavement detection, in particular to a measuring ruler for paving thickness of an asphalt pavement. The device comprises a shell, a screw rod is rotatably arranged on the inner side of the shell, a screw sleeve is connected to the screw rod in a threaded manner, a mounting block is connected to the screw sleeve, a conical inserted rod is connected to the bottom of the mounting block, a marking ring is connected to the side face of the mounting block, a graduated scale is further arranged in the shell, the marking ring is located on the outer side of the graduated scale, an observation window opposite to the graduated scale is formed in the shell, protective covers are connected to the two sides of the shell, and a fixing assembly is arranged in the protective cover. According to the utility model, the protective cover is arranged on two sides of the shell, the movable block and the pin shaft are arranged on the inner side of the protective cover, the limiting assembly is arranged on the side surface of the movable block, and in the carrying process, the pin shaft can be contained in the protective cover together with the pointed end by clamping the limiting column on the pull plate with the limiting through hole above the protective cover, so that the pointed end of the pin shaft is prevented from being exposed, and unnecessary damage is brought to staff.
Description
Technical Field
The utility model relates to the technical field of pavement detection, in particular to a measuring ruler for paving thickness of an asphalt pavement.
Background
Asphalt pavement refers to various types of pavement paved by mixing road asphalt materials into mineral materials, and asphalt binders improve the capability of paving granules to resist damage to the pavement caused by driving and natural factors, so that the pavement is flat, has less dust, is impermeable to water and is durable. Therefore, asphalt pavement is one of the most widely used advanced pavements in expressway construction, and the asphalt pavement paving thickness measuring ruler is a measuring tool for measuring the asphalt pavement loose thickness before compacting the asphalt pavement, and the loose thickness of the asphalt pavement is sampled and detected at any time in the paving process to see whether the standard is met or not.
The Chinese patent with the publication number of CN215572592U discloses an asphalt pavement paving thickness measuring ruler, which drives a spiral conveying sheet to drill into an asphalt pavement through a driving rod, further drives a floating rod to move downwards, indicates scale marks through lugs, further can visually observe the thickness of the asphalt pavement, reduces the influence on the sampling depth of the asphalt pavement compared with the prior art, and inserts into the asphalt pavement through a pin shaft and a pointed head by arranging the pin shaft and the pointed head, so that a tight propping seat cannot generate circumferential swing on the asphalt pavement.
However, the above mentioned device has some drawbacks in the carrying process, and is provided with a pin shaft and a pointed tip to position the pin shaft and the pointed tip, but in the daily carrying process, the pin shaft and the pointed tip are exposed outside, which is easy to stab staff, and bring unnecessary work damage.
Disclosure of Invention
Aiming at the problems in the background technology, a measuring ruler for the paving thickness of an asphalt pavement is provided. Through being provided with the protection casing in the casing both sides, the protection casing inboard is provided with movable block and round pin axle, and the movable block side is provided with spacing subassembly, and in carrying the in-process, through the spacing through-hole block with spacing post on the arm-tie and protection casing top, can accomodate the round pin axle with the tip to the protection casing inboard, avoid its sharp-pointed end to expose, bring unnecessary damage for the staff.
The utility model provides an asphalt pavement paving thickness measuring ruler which comprises a shell, wherein a screw rod is rotatably arranged on the inner side of the shell, a screw sleeve is connected to the screw rod in a threaded manner, a mounting block is connected to the screw sleeve, a conical inserted rod is connected to the bottom of the mounting block, a marking ring is connected to the side face of the mounting block, a graduated scale is further arranged in the shell, the marking ring is positioned on the outer side of the graduated scale, an observation window opposite to the graduated scale is formed in the shell, two sides of the shell are connected with a protective cover, and a fixing assembly is arranged in the protective cover.
The fixed component comprises a tension spring, a moving block, a pin shaft and a pointed end, wherein the tension spring is arranged inside the protective cover, the tension spring is connected with the moving block, the moving block and the protective cover are arranged in a sliding mode, the pin shaft is connected to the bottom of the moving block, the pointed end is arranged at the bottom end of the pin shaft, and a limiting component matched with the protective cover is arranged on the moving block.
The limiting assembly comprises a tension spring, a sliding plate, a connecting shaft, a pulling plate and a limiting column, wherein a sliding groove is formed in the rotating block, the tension spring is arranged inside the sliding groove, the sliding plate is connected onto the tension spring and is in sliding connection with the sliding groove, the sliding plate is connected with the pulling plate through the connecting shaft, the limiting column is connected to the inner side of the pulling plate, limiting through holes with different heights are formed in the protective cover, and the limiting through holes and the limiting column are correspondingly connected in a penetrating mode.
Preferably, the top end of the screw rod penetrates through the shell and is connected with a hand wheel.
Preferably, the mounting block is provided with a guide post in a penetrating manner, and two ends of the guide post are connected with the inner wall of the shell.
Preferably, the side of the protective cover is provided with a strip-shaped hole for the connecting shaft to pass through.
Preferably, the miniature motor is installed at the top of installation piece, and miniature motor's output is connected with the one end of toper inserted bar.
Preferably, a connecting hole for the tapered inserted rod to pass through is formed in the bottom of the shell.
Compared with the prior art, the utility model has the following beneficial technical effects: through being provided with the protection casing in the casing both sides, the protection casing inboard is provided with tension spring and movable block, the movable block bottom is provided with the round pin axle, the movable block side is provided with spacing subassembly, through the extension spring, the cooperation of slide, connecting axle and arm-tie, spacing post on the arm-tie inserts in the spacing through-hole of protection casing, and then carry out spacing fixedly to the position of movable block, in carrying the in-process, through the spacing through-hole block with spacing post on the arm-tie and protection casing top, can accomodate the round pin axle to the protection casing inboard with the tip, avoid its sharp-pointed end to expose, bring unnecessary damage for the staff, when fixing the whole with the tip, spacing post on the arm-tie and the spacing through-hole block of protection casing below can drive round pin axle and tip and stretch out from the fixed cover inboard, facilitate the use, whole compare in traditional thickness measurement chi, both guaranteed staff's security when carrying, the convenience of using has been guaranteed again.
Drawings
FIG. 1 is a schematic diagram of a construction of a measuring rule for paving thickness of an asphalt pavement according to the present utility model;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic side view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of the portion a in fig. 3.
Reference numerals: 1. a housing; 2. a screw rod; 3. a silk sleeve; 4. a mounting block; 5. a conical inserted link; 6. a graduated scale; 7. an observation window; 8. a protective cover; 9. a tension spring; 10. a moving block; 11. a pin shaft; 12. a tip; 13. a tension spring; 14. a slide plate; 15. a connecting shaft; 16. pulling a plate; 17. a limit column; 18. a chute; 19. limiting through holes; 20. a hand wheel; 21. a guide post; 22. a bar-shaped hole; 23. a micro motor; 24. a connection hole; 25. and a marking ring.
Detailed Description
Example 1
As shown in fig. 1-4, the asphalt pavement paving thickness measuring ruler provided by the utility model comprises a shell 1, wherein a screw rod 2 is rotatably arranged on the inner side of the shell, a screw sleeve 3 is connected to the screw rod 2 in a threaded manner, a mounting block 4 is connected to the screw sleeve 3, a conical inserted rod 5 is connected to the bottom of the mounting block 4, a marking ring 25 is connected to the side surface of the mounting block 4, a graduated scale 6 is further arranged in the shell 1, the marking ring 25 is positioned on the outer side of the graduated scale 6, an observation window 7 opposite to the graduated scale 6 is formed in the shell 1, a protective cover 8 is connected to both sides of the shell 1, and a fixing component is arranged in the protective cover 8; the fixed component comprises a tension spring 9, a moving block 10, a pin shaft 11 and a pointed head 12, wherein the tension spring 9 is arranged in the protective cover 8, the tension spring 9 is connected with the moving block 10, the moving block 10 and the protective cover 8 are arranged in a sliding mode, the bottom of the moving block 10 is connected with the pin shaft 11, the pointed head 12 is arranged at the bottom end of the pin shaft 11, and the moving block 10 is provided with a limiting component matched with the protective cover 8; the limiting assembly comprises a tension spring 13, a sliding plate 14, a connecting shaft 15, a pull plate 16 and a limiting column 17, wherein a sliding groove 18 is formed in the rotating block, the tension spring 13 is arranged inside the sliding groove 18, the sliding plate 14 is connected onto the tension spring 13, the sliding plate 14 is connected with the sliding groove 18 in a sliding mode, the sliding plate 14 is connected with the pull plate 16 through the connecting shaft 15, the limiting column 17 is connected onto the inner side of the pull plate 16, limiting through holes 19 with different heights are formed in the protective cover 8, and the limiting through holes 19 and the limiting columns 17 are correspondingly connected in a penetrating mode.
Further, the top of the screw rod 2 penetrates through the shell 1 to be connected with the hand wheel 20, and when the screw rod is used, the screw rod 2 is driven to rotate through the hand wheel 20, so that the convenience of operation is improved.
Further, the mounting block 4 is provided with the guide pillar 21 in a penetrating manner, two ends of the guide pillar 21 are connected with the inner wall of the shell 1, and when the device is used, the guide pillar 21 is utilized to limit the moving track of the mounting block 4, so that the mounting block 4 can stably move downwards under the cooperation of the screw rod 2 and the screw sleeve 3, and the moving stability of the mounting block is improved.
Further, a bar-shaped hole 22 through which the connecting shaft 15 passes is formed in the side surface of the protective cover 8.
The working principle of the utility model is as follows: when the thickness measurement of the asphalt pavement is needed, firstly, the shell 1 needs to be fixed, namely, the pull plate 16 is manually pulled outwards, the pull plate 16 drives the tension spring 13 to be stretched through the sliding plate 14, in the stretching process, the tension spring 13 accumulates elastic potential energy, the pull plate 16 is moved downwards, the pull plate 16 drives the pin shaft 11 to move downwards through the sliding plate 14, the pin shaft 11 and the tip 12 penetrate through the protective cover 8, after the pull plate moves to a designated position, the tension applied to the outside of the pull plate 16 is loosened, the tension spring 13 releases the elastic potential energy, the slide plate 14 drives the pull plate 16 to move inwards, the limit post 17 on the inner side of the pull plate 16 is clamped with the limit through hole 19 at the bottom of the protective cover 8, namely, the moving block 10 is limited and fixed, the tip 12 and the pin shaft 11 are inserted into the asphalt pavement, the shell 1 is positioned, after the positioning, the thickness measurement is started, namely, the screw rod 2 is driven to rotate through the hand wheel 20, in the rotating process, the conical inserting rod 5 is driven through the screw sleeve 3 and the mounting block 4 to be inserted into the pavement, in the downward moving process of the mounting block 4, the marking ring is driven to move, the observation window 7 can observe that the pulling ring is positioned on the scale 6, namely, the thickness of the limit post 17 is clamped with the limit post 19 on the bottom of the protective cover 8, and the limit post is not necessary to be damaged, and the limit post 17 is carried by the limit post 8, and the limit post is not needed to be exposed to the limit post 8, and the limit post is taken by the limit personnel on the limit position of the limit post 8.
Example two
As shown in fig. 2, the utility model provides a measuring rule for paving thickness of asphalt pavement, which further comprises, based on the above embodiment, a micro motor 23 mounted on the top of the mounting block 4, wherein the output end of the micro motor 23 is connected with one end of the conical inserting rod 5, and a connecting hole 24 for the conical inserting rod 5 to pass through is provided on the bottom of the casing 1.
In this embodiment, during the use, when silk cover 3 drives installation piece 4 when moving downwards under lead screw 2 rotation effect, installation piece 4 drives toper inserted bar 5 and passes connecting hole 24 to wear out casing 1 outside and asphalt pavement contact, in the survey in-process, drive toper inserted bar 5 through micro motor 23 and rotate fast, thereby improve its convenience of inserting asphalt pavement, reduce the resistance of rotating hand wheel 20, convenient operation.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. The utility model provides a bituminous paving spreads thickness measurement chi, a serial communication port, including casing (1), its inboard rotates and is provided with lead screw (2), threaded connection has silk cover (3) on lead screw (2), be connected with installation piece (4) on silk cover (3), the bottom of installation piece (4) is connected with toper inserted bar (5), the side of installation piece (4) is connected with marks ring (25), still be provided with scale (6) in casing (1), mark the outside that ring (25) are located scale (6), set up observation window (7) just right with scale (6) on casing (1), both sides of casing (1) all are connected with protection casing (8), be provided with fixed subassembly in protection casing (8);
the fixed assembly comprises a tension spring (9), a moving block (10), a pin shaft (11) and a pointed end (12), wherein the tension spring (9) is installed inside the protective cover (8), the tension spring (9) is connected with the moving block (10), the moving block (10) and the protective cover (8) are arranged in a sliding mode, the bottom of the moving block (10) is connected with the pin shaft (11), the pointed end (12) is arranged at the bottom end of the pin shaft (11), and a limiting assembly matched with the protective cover (8) is arranged on the moving block (10);
limiting component includes extension spring (13), slide (14), connecting axle (15), arm-tie (16) and spacing post (17), spout (18) have been seted up on the turning block, extension spring (13) set up inside spout (18), be connected with slide (14) on extension spring (13), slide (14) and spout (18) sliding connection, slide (14) are connected with arm-tie (16) through connecting axle (15), the inboard of arm-tie (16) is connected with spacing post (17), limit through-hole (19) of different co-altitude have been seted up on protection casing (8), correspond limit through-hole (19) and spacing post (17) interlude and connect.
2. The asphalt pavement paving thickness measuring ruler according to claim 1, wherein the top end of the screw rod (2) penetrates through the shell (1) to be connected with a hand wheel (20).
3. The asphalt pavement paving thickness measuring ruler according to claim 1, wherein the mounting block (4) is provided with a guide post (21) in a penetrating manner, and two ends of the guide post (21) are connected with the inner wall of the shell (1).
4. The asphalt pavement paving thickness measuring ruler according to claim 1, wherein the side surface of the protective cover (8) is provided with a strip-shaped hole (22) for the connecting shaft (15) to pass through.
5. The asphalt pavement paving thickness measuring ruler according to claim 1, wherein the miniature motor (23) is installed at the top of the installation block (4), and the output end of the miniature motor (23) is connected with one end of the conical inserted bar (5).
6. The asphalt pavement paving thickness measuring ruler according to claim 1, wherein the bottom of the casing (1) is provided with a connecting hole (24) for the conical inserted rod (5) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351659.2U CN219589592U (en) | 2023-05-26 | 2023-05-26 | Asphalt pavement paving thickness measuring ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351659.2U CN219589592U (en) | 2023-05-26 | 2023-05-26 | Asphalt pavement paving thickness measuring ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589592U true CN219589592U (en) | 2023-08-25 |
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ID=87692494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321351659.2U Active CN219589592U (en) | 2023-05-26 | 2023-05-26 | Asphalt pavement paving thickness measuring ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344606A (en) * | 2023-12-04 | 2024-01-05 | 山西晋北高速公路养护有限公司 | Highway road surface thickness measuring equipment that paves |
-
2023
- 2023-05-26 CN CN202321351659.2U patent/CN219589592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344606A (en) * | 2023-12-04 | 2024-01-05 | 山西晋北高速公路养护有限公司 | Highway road surface thickness measuring equipment that paves |
| CN117344606B (en) * | 2023-12-04 | 2024-02-13 | 山西晋北高速公路养护有限公司 | Highway road surface thickness measuring equipment that paves |
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