CN214251851U - Flexible pavement shear strength detection device for highway engineering - Google Patents
Flexible pavement shear strength detection device for highway engineering Download PDFInfo
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- CN214251851U CN214251851U CN202120011853.0U CN202120011853U CN214251851U CN 214251851 U CN214251851 U CN 214251851U CN 202120011853 U CN202120011853 U CN 202120011853U CN 214251851 U CN214251851 U CN 214251851U
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- strength detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a flexible road surface shear strength detection device for highway engineering, which comprises a roof, the upper surface central point of roof puts and installs the pneumatic cylinder, the bottom of pneumatic cylinder is provided with hydraulic telescoping rod, hydraulic telescoping rod's bottom is passed the first through-hole that roof surface central point put and is connected with first buffer board, the below of first buffer board is provided with the connecting plate, first spacing post is all installed to four corners of upper surface of connecting plate, the second through-hole and the first limiting plate connection on the first buffer board surface are passed on the top of first spacing post, the outer wall outside cover of spacing post is equipped with first spring, and first spring is located between first buffer board and the connecting plate, pressure sensor is all installed to the lower surface both sides of connecting plate. The utility model discloses be convenient for carry out compression shear strength to flexible road surface and detect, operation convenient to use is convenient for remove or fix whole equipment, and the practicality is strong.
Description
Technical Field
The utility model relates to a highway engineering technical field specifically is a flexible road surface shear strength detection device for highway engineering.
Background
The highway engineering refers to the work of investigation, measurement, design, construction, maintenance, management and the like of a highway structure. The highway engineering structure includes: roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, and houses, workshops and other service facilities used for construction, maintenance and monitoring.
After the construction of the highway engineering road is finished, the shearing strength of the road surface needs to be detected, at present, workers generally squeeze the road surface by manual force to detect the compression shearing strength of the road surface, and the method has the advantages of high labor intensity, large detection error and low accuracy; therefore, the existing use requirements are not satisfied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible road surface shear strength detection device for highway engineering to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a flexible pavement shear strength detection device for highway engineering comprises a top plate, a hydraulic cylinder is installed at the central position of the upper surface of the top plate, a hydraulic telescopic rod is arranged at the bottom of the hydraulic cylinder, the bottom end of the hydraulic telescopic rod penetrates through a first through hole in the central position of the surface of the top plate to be connected with a first buffer plate, a connecting plate is arranged below the first buffer plate, first limiting columns are installed at four corners of the upper surface of the connecting plate, the top end of each first limiting column penetrates through a second through hole in the surface of the first buffer plate to be connected with a first limiting plate, a first spring is sleeved outside the outer wall of each limiting column and located between the first buffer plate and the connecting plate, pressure sensors are installed on two sides of the lower surface of the connecting plate, the bottom ends of the pressure sensors are installed at the tops of second buffer plates, and extrusion plates are arranged below the second buffer plates, four corners of the upper surface of the extrusion plate are respectively provided with a second limiting column, the top end of the second limiting column penetrates through a third through hole on the second buffer plate to be connected with a second limiting plate, the outer side of the outer wall of the second limiting column is sleeved with a second spring, the second spring is positioned between the second buffer plate and the extrusion plate, one side of the upper surface of the top plate is provided with a control box, an analog-digital conversion module, a controller and a storage battery are sequentially arranged in the control box from left to right, side plates are respectively arranged on two sides of the lower surface of the top plate, a bottom plate is arranged at the bottom end of each side plate, a third threaded hole is formed in one side of the surface of the bottom plate, a threaded rod is arranged in each third threaded hole, an external thread on the outer wall of the threaded rod is in threaded engagement connection with an internal thread on the hole wall of the third threaded hole, and a rotary adjusting plate is arranged at the top end of the threaded rod, the supporting seat is installed to the bottom of threaded rod, the bottom of supporting seat is provided with the unsmooth stripe of antiskid, the universal wheel is all installed at both ends around the bottom of bottom plate.
Preferably, a first threaded hole is formed in the surface center position of the first limiting plate, an external thread is arranged on the outer wall of the top end of the first limiting column, and the external thread on the outer wall of the first limiting column is in threaded engagement with the internal thread on the hole wall of the first threaded hole.
Preferably, a second threaded hole is formed in the center of the surface of the second limiting plate, an external thread is arranged on the outer wall of the top end of the second limiting column, and the external thread on the outer wall of the second limiting column is in threaded engagement with the internal thread on the hole wall of the second threaded hole.
Preferably, the front end face of the control box is provided with a display screen and a controller panel, the display screen is located above the controller panel, and the front end face of the controller panel is provided with a control button.
Preferably, the output end of the pressure sensor is electrically connected with the input end of the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the display screen.
Preferably, the second through holes are formed in four corners of the surface of the first buffer plate, and the third through holes are formed in four corners of the surface of the second buffer plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a cooperation setting of a series of structures, when carrying out compression shear strength detection to the road surface, the staff starts the pneumatic cylinder, the hydraulic telescopic link stretches out and draws back, the staff makes the hydraulic telescopic link stretch out and draws back and drives the stripper plate to do linear motion downwards and extrude the road surface, at this moment, the first spring and the second spring all take place compression deformation, the cooperation setting of first spring and second spring can play the effect of protection to pressure sensor, avoid the situation that the pressure sensor directly receives the transient force too big and lead to the damage to take place, pressure sensor detects the force that first spring and second spring exert to itself in real time, the force that the stripper plate extrudes the road surface equals the force that first spring and second spring exert to pressure sensor, pressure sensor sends the data value that detects to the display screen, the staff can observe the pressure that the utility model generates to the road surface extrusion through the display screen, thereby the utility model discloses be convenient for carry out compression shear strength to flexible road surface and detect, the accuracy is high, low in labor strength, operation convenient to use.
(2) The utility model can be fixed on the horizontal ground through the supporting seat by matching the structure of a series of structures such as a rotary adjusting plate, a threaded rod, a bottom plate, a supporting seat and a universal wheel, when the worker rotates the rotary adjusting plate forwards or backwards, the threaded rod can be driven to rotate forwards or backwards, because the external thread on the outer wall of the threaded rod is meshed with the internal thread on the hole wall of a third threaded hole, the threaded rod can drive the supporting seat to do upward or downward linear motion when rotating forwards or backwards, when the vertical distance between the bottom of the supporting seat and the bottom of the bottom plate is larger than the distance between the bottom of the universal wheel and the bottom of the bottom plate, the utility model can move on the horizontal ground through the universal wheel, thereby the utility model discloses be convenient for remove or fix whole equipment, the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic flow chart of the present invention.
In the figure: 1. a control box; 2. an analog-to-digital conversion module; 3. a controller; 4. a storage battery; 5. a hydraulic cylinder; 6. a hydraulic telescopic rod; 7. a first through hole; 8. a top plate; 9. a first limit post; 10. a first limit plate; 11. a first buffer plate; 12. a first spring; 13. a second threaded hole; 14. a third through hole; 15. rotating the adjusting plate; 16. a base plate; 17. a third threaded hole; 18. a threaded rod; 19. a supporting seat; 20. anti-skid concave-convex stripes; 21. a universal wheel; 22. a pressing plate; 23. a pressure sensor; 24. a second buffer plate; 25. a connecting plate; 26. a first threaded hole; 27. a second through hole; 28. a second limit post; 29. a second limiting plate; 30. a second spring; 31. a display screen; 32. a control button; 33. a controller panel; 34. side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a flexible pavement shear strength detection device for highway engineering comprises a top plate 8, a hydraulic cylinder 5 is installed at the central position of the upper surface of the top plate 8, a hydraulic telescopic rod 6 is arranged at the bottom of the hydraulic cylinder 5, the bottom end of the hydraulic telescopic rod 6 penetrates through a first through hole 7 in the central position of the surface of the top plate 8 to be connected with a first buffer plate 11, a connecting plate 25 is arranged below the first buffer plate 11, first limiting columns 9 are installed at four corners of the upper surface of the connecting plate 25, the top ends of the first limiting columns 9 penetrate through second through holes 27 in the surface of the first buffer plate 11 to be connected with a first limiting plate 10, first springs 12 are sleeved on the outer side of the outer walls of the limiting columns, the first springs 12 are located between the first buffer plate 11 and the connecting plate 25, pressure sensors 23 are installed on two sides of the lower surface of the connecting plate 25, and the bottom ends of the pressure sensors 23 are installed at the top of a second buffer plate 24, an extrusion plate 22 is arranged below a second buffer plate 24, four corners of the upper surface of the extrusion plate 22 are respectively provided with a second limiting column 28, the top end of the second limiting column 28 passes through a third through hole 14 on the second buffer plate 24 to be connected with a second limiting plate 29, the outer side of the outer wall of the second limiting column 28 is sleeved with a second spring 30, the second spring 30 is positioned between the second buffer plate 24 and the extrusion plate 22, one side of the upper surface of a top plate 8 is provided with a control box 1, the control box 1 is internally provided with an analog-digital conversion module 2, a controller 3 and a storage battery 4 in sequence from left to right, two sides of the lower surface of the top plate 8 are respectively provided with a side plate 34, the bottom end of the side plate 34 is provided with a bottom plate 16, one side of the surface of the bottom plate 16 is provided with a third threaded hole 17, a threaded rod 18 is arranged in the third threaded hole 17, and an external thread on the outer wall of the threaded rod 18 is in threaded engagement connection with an internal thread on the hole wall of the third threaded hole 17, a rotary adjusting plate 15 is installed at the top end of the threaded rod 18, a supporting seat 19 is installed at the bottom end of the threaded rod 18, anti-skid concave-convex stripes 20 are arranged at the bottom of the supporting seat 19, universal wheels 21 are installed at the front end and the rear end of the bottom plate 16, a first threaded hole 26 is formed in the surface central position of the first limiting plate 10, external threads are arranged on the outer wall of the top end of the first limiting column 9, the external threads on the outer wall of the first limiting column 9 are in threaded engagement with the internal threads on the hole wall of the first threaded hole 26, a second threaded hole 13 is formed in the surface central position of the second limiting plate 29, external threads are arranged on the outer wall of the top end of the second limiting column 28, the external threads on the outer wall of the second limiting column 28 are in threaded engagement with the internal threads on the hole wall of the second threaded hole 13, a display screen 31 and a controller panel 33 are arranged on the front end face of the control box 1, and the display screen 31 is positioned above the controller panel 33, the preceding terminal surface of controller panel 33 is provided with control button 32, pressure sensor 23's the output and the input electric connection of analog-to-digital conversion module 2, analog-to-digital conversion module 2's the output and the input electric connection of controller 3, the output of controller 3 and the input electric connection of display screen 31, second through-hole 27 is seted up in four corners on the surface of first buffer board 11, third through-hole 14 is seted up in four corners on the surface of second buffer board 24.
The working principle is as follows: when the device is used, when the compressive shear strength of the road surface is detected, a worker starts the hydraulic cylinder 5, the hydraulic telescopic rod 6 stretches, the worker enables the hydraulic telescopic rod 6 to stretch and drive the extrusion plate 22 to do linear motion downwards and extrude the road surface, at the moment, the first spring 12 and the second spring 30 both generate compression deformation, the first spring 12 and the second spring 30 are matched to play a role in protecting the pressure sensor 23, the situation that the pressure sensor 23 is directly damaged due to overlarge instantaneous force is avoided, the pressure sensor 23 detects the force applied by the first spring 12 and the second spring 30 to the pressure sensor in real time, the force applied by the extrusion plate 22 to the road surface is equal to the force applied by the first spring 12 and the second spring 30 to the pressure sensor 23, the pressure sensor 23 sends the detected data value to the display screen 31, and the worker can observe the pressure generated by road surface extrusion through the display screen 31, the utility model is convenient for detecting the compression shearing strength of the flexible pavement, has high accuracy, low labor intensity and convenient operation and use, the worker can drive the threaded rod 18 to rotate forwards or backwards when rotating the rotating adjusting plate 15 forwards or backwards, because the external thread on the outer wall of the threaded rod 18 is connected with the internal thread on the hole wall of the third threaded hole 17 through thread engagement, the threaded rod 18 can drive the supporting seat 19 to do upward or downward linear motion when rotating forwards or backwards, when the vertical distance between the bottom of the supporting seat 19 and the bottom of the bottom plate 16 is larger than the distance between the bottom of the universal wheel 21 and the bottom of the bottom plate 16, the utility model can fix on the horizontal ground through the supporting seat 19, when the vertical distance between the bottom of the supporting seat 19 and the bottom of the bottom plate 16 is smaller than the distance between the bottom of the universal wheel 21 and the bottom of the bottom plate 16, the utility model discloses can remove at the level subaerial through universal wheel 21, thereby the utility model discloses be convenient for remove or fix whole equipment, the practicality is strong.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a flexible road surface shear strength detection device for highway engineering, includes roof (8), its characterized in that: the hydraulic cylinder (5) is installed at the center of the upper surface of the top plate (8), the hydraulic telescopic rod (6) is arranged at the bottom of the hydraulic telescopic rod (5), the bottom of the hydraulic telescopic rod (6) penetrates through a first through hole (7) formed in the center of the surface of the top plate (8) to be connected with a first buffer plate (11), a connecting plate (25) is arranged below the first buffer plate (11), first limiting columns (9) are installed at four corners of the upper surface of the connecting plate (25), second through holes (27) formed in the surface of the first buffer plate (11) are connected with a first limiting plate (10) at the top ends of the first limiting columns (9), first springs (12) are sleeved on the outer side of the outer walls of the limiting columns, the first springs (12) are located between the first buffer plate (11) and the connecting plate (25), and pressure sensors (23) are installed on two sides of the lower surface of the connecting plate (25), the bottom of the pressure sensor (23) is installed at the top of a second buffer plate (24), an extrusion plate (22) is arranged below the second buffer plate (24), second limiting columns (28) are installed at four corners of the upper surface of the extrusion plate (22), the top ends of the second limiting columns (28) penetrate through third through holes (14) in the second buffer plate (24) to be connected with a second limiting plate (29), second springs (30) are sleeved on the outer side of the outer wall of the second limiting columns (28), the second springs (30) are located between the second buffer plate (24) and the extrusion plate (22), a control box (1) is installed on one side of the upper surface of the top plate (8), an analog-to-digital conversion module (2), a controller (3) and a storage battery (4) are sequentially arranged in the control box (1) from left to right, side plates (34) are installed on two sides of the lower surface of the top plate (8), bottom plate (16) are installed to the bottom of curb plate (34), third screw hole (17) have been seted up to surface one side of bottom plate (16), install threaded rod (18) in third screw hole (17), and threaded engagement is connected between the external screw thread on threaded rod (18) outer wall and the internal thread on third screw hole (17) pore wall, rotatory regulating plate (15) are installed on the top of threaded rod (18), supporting seat (19) are installed to the bottom of threaded rod (18), the bottom of supporting seat (19) is provided with anti-skidding concave-convex stripe (20), universal wheel (21) are all installed at both ends around the bottom of bottom plate (16).
2. The flexible pavement shear strength detection device for road engineering according to claim 1, wherein: first screw hole (26) have been seted up to the surperficial central point of first limiting plate (10), be provided with the external screw thread on the top outer wall of first spacing post (9), threaded engagement is connected between the internal thread on the external screw thread on first spacing post (9) outer wall and the first screw hole (26) pore wall.
3. The flexible pavement shear strength detection device for road engineering according to claim 1, wherein: the surface center position of second limiting plate (29) has seted up second screw hole (13), be provided with the external screw thread on the top outer wall of second spacing post (28), threaded engagement is connected between the internal thread on the external screw thread on the spacing post of second (28) outer wall and the second screw hole (13) pore wall.
4. The flexible pavement shear strength detection device for road engineering according to claim 1, wherein: the front end face of control box (1) is provided with display screen (31) and controller panel (33), and display screen (31) are located the top of controller panel (33), the front end face of controller panel (33) is provided with control button (32).
5. The flexible pavement shear strength detection device for road engineering according to claim 1, wherein: the output end of the pressure sensor (23) is electrically connected with the input end of the analog-to-digital conversion module (2), the output end of the analog-to-digital conversion module (2) is electrically connected with the input end of the controller (3), and the output end of the controller (3) is electrically connected with the input end of the display screen (31).
6. The flexible pavement shear strength detection device for road engineering according to claim 1, wherein: the second through holes (27) are formed in four corners of the surface of the first buffer plate (11), and the third through holes (14) are formed in four corners of the surface of the second buffer plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120011853.0U CN214251851U (en) | 2021-01-04 | 2021-01-04 | Flexible pavement shear strength detection device for highway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120011853.0U CN214251851U (en) | 2021-01-04 | 2021-01-04 | Flexible pavement shear strength detection device for highway engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214251851U true CN214251851U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120011853.0U Expired - Fee Related CN214251851U (en) | 2021-01-04 | 2021-01-04 | Flexible pavement shear strength detection device for highway engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214251851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984546A (en) * | 2021-09-28 | 2022-01-28 | 北京建筑大学 | Testing machine and testing method for measuring road interlayer shear strength |
-
2021
- 2021-01-04 CN CN202120011853.0U patent/CN214251851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984546A (en) * | 2021-09-28 | 2022-01-28 | 北京建筑大学 | Testing machine and testing method for measuring road interlayer shear strength |
| CN113984546B (en) * | 2021-09-28 | 2023-08-22 | 北京建筑大学 | Testing machine and testing method for measuring road interlayer shear strength |
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Granted publication date: 20210921 |