CN220399091U - Pavement material strength measuring device - Google Patents
Pavement material strength measuring device Download PDFInfo
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- CN220399091U CN220399091U CN202321461023.3U CN202321461023U CN220399091U CN 220399091 U CN220399091 U CN 220399091U CN 202321461023 U CN202321461023 U CN 202321461023U CN 220399091 U CN220399091 U CN 220399091U
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- pavement material
- barrel
- material strength
- rolling
- rolling element
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a pavement material strength measuring device, which relates to the field of detection equipment and comprises: the impact mechanism is arranged above the cabinet body and comprises a pressing column which is used for moving vertically; barrel and direction subassembly, barrel locate impact mechanism below and with the coaxial setting of pressure post, direction subassembly is equipped with a plurality ofly and is located the barrel top, and direction subassembly includes locating lever and rolling element, and the one end and the barrel top inner peripheral face of locating lever are connected, and the other end of locating lever is along barrel radial extension and be equipped with the rolling element, and the rolling element is used for rolling contact with the pressure post global. When the pressure column moves downwards from the top opening of the cylinder body, the rolling body can keep rolling contact with the circumferential surface of the pressure column, so that coaxiality of the pressure column when the pavement material to be measured is pressed is guaranteed, tiny radial deviation of the pressure column is prevented, and measurement accuracy is guaranteed.
Description
Technical Field
The utility model relates to the field of detection equipment, in particular to a pavement material strength measuring device.
Background
The pavement material strength tester is a multifunctional highway subgrade material experimental instrument, and can test the pavement material in compression strength, bending strength and the like.
For some materials with higher pavement strength, when strength measurement is carried out, tiny radial offset which cannot be seen by naked eyes can occur to pressing parts such as a pressure plate or a pressure column, so that data measured by a pressure sensor are inaccurate, and measurement progress is influenced.
Disclosure of Invention
In order to solve the above problems, the present utility model provides a pavement material strength measuring apparatus, comprising: the impact mechanism is arranged above the cabinet body and comprises a pressing column which is used for moving vertically; barrel and direction subassembly, the barrel is located impact mechanism below and with the coaxial setting of pressure post, direction subassembly is equipped with a plurality of and is located the barrel top, direction subassembly includes locating lever and rolling element, the one end of locating lever with barrel top inner peripheral surface is connected, the other end of locating lever is followed the barrel radially extends and is equipped with the rolling element, the rolling element be used for with pressure post global rolling contact.
Optionally, a groove is formed in one end, far away from the rolling body, of the positioning rod, and the rolling body comprises a ball, and the ball is in rolling connection with the groove.
Optionally, a groove is formed in one end, far away from the rolling body, of the positioning rod, the rolling body comprises a roller, and the roller is rotationally connected in the groove through a rotating shaft.
Optionally, the multifunctional cabinet further comprises a cabinet body and a support, wherein the support comprises a support plate and a support rod, one end of the support rod is connected with the cabinet body, and the other end of the support rod is fixedly connected with the support plate.
Optionally, the impact mechanism further comprises a hydraulic cylinder and a pressure sensor, the hydraulic cylinder is mounted on the supporting plate, the output end of the hydraulic cylinder is fixedly connected with the pressure sensor, and the pressure sensor is connected with the pressure column.
Optionally, the device further comprises a three-grab chuck, wherein the three-grab chuck is arranged on the inner bottom surface of the cylinder body, and the three-grab chuck and the cylinder body are coaxially arranged.
Optionally, the device further comprises a suction mechanism, wherein the suction mechanism comprises a suction cover, a negative pressure pump and a collecting box, the suction cover is arranged on the upper surface of the cabinet body, the suction cover is communicated with an air inlet of the negative pressure pump through a pipeline, and an air outlet of the negative pressure pump is communicated with the collecting box through a pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
the bottom surface is used for placing the road surface material of waiting to measure in the barrel, and the pressure post in the impact mechanism can follow vertical removal and coaxial with the barrel to can push down the road surface material of waiting to measure, through locating lever and the rolling element in the direction subassembly, the locating lever radially extends towards the barrel, when the pressure post moves downwards from barrel top mouth, the rolling body can keep rolling contact with the pressure post global, thereby guarantee the axiality when the pressure post is exerted pressure to the road surface material of waiting to measure, prevent that the pressure post from appearing tiny radial offset condition, help guaranteeing measurement accuracy.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a guide assembly according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of another view according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a cabinet body; 2. a bracket; 21. a support plate; 22. a support rod; 3. an impact mechanism; 31. a hydraulic cylinder; 32. a pressure sensor; 33. pressing a column; 4. a cylinder; 5. a guide assembly; 51. a positioning rod; 511. a groove; 52. a rolling element; 6. a suction mechanism; 61. a suction hood; 62. a negative pressure pump; 63. a collection box; 7. a three-grip chuck.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the present specification, "plurality" means two or more.
In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a pavement material strength measuring apparatus (hereinafter referred to as strength measuring apparatus), including:
the impact mechanism 3 is arranged above the cabinet body 1, and the impact mechanism 3 comprises a pressing column 33, wherein the pressing column 33 is used for moving vertically;
the cylinder 4 and the guide assembly 5, the cylinder 4 is located the impact mechanism 3 below and with the coaxial setting of pressure post 33, the guide assembly 5 is equipped with a plurality ofly and is located the cylinder 4 top, the guide assembly 5 includes locating lever 51 and rolling element 52, the one end and the cylinder 4 top inner peripheral face of locating lever 51 are connected, the other end of locating lever 51 radially extends along the cylinder 4 and is equipped with rolling element 52, rolling element 52 is used for with pressure post 33 global rolling contact.
In this embodiment, the inner bottom surface of the cylinder 4 is used for placing the pavement material to be measured, the pressing column 33 in the impact mechanism 3 can move vertically and is coaxial with the cylinder 4, so that the pavement material to be measured can be pressed down, the positioning rod 51 extends radially towards the cylinder 4 through the positioning rod 51 and the rolling body 52 in the guide assembly 5, when the pressing column 33 moves downwards from the top opening of the cylinder 4, the rolling body 52 can keep rolling contact with the circumferential surface of the pressing column 33, so that the coaxiality of the pressing column 33 when the pavement material to be measured is ensured, the situation that the pressing column 33 is slightly radially offset is prevented, and the measurement accuracy is facilitated to be ensured.
Optionally, the end of the positioning rod 51 remote from the rolling element 52 is provided with a groove 511, the rolling element 52 comprising a ball which is in rolling connection in the groove 511.
Optionally, the rolling bodies 52 comprise rollers rotatably connected in the grooves 511 by means of shafts.
In this embodiment, the rolling elements 52 may be balls, and the corresponding grooves 511 are rolling grooves, and the balls are in rolling fit in the rolling grooves, so that the balls can roll relative to the rolling grooves, and in another embodiment, the rolling elements 52 may also be rollers, and the corresponding grooves 511 are slots, the rollers are rotatably sleeved on the rotating shafts, and two ends of the rotating shafts are fixed in the slots.
Optionally, the multifunctional cabinet further comprises a cabinet body 1 and a support 2, wherein the support 2 comprises a support plate 21 and a support rod 22, one end of the support rod 22 is connected to the cabinet body 1, and the other end of the support rod 22 is fixedly connected with the support plate 21.
Optionally, the impact mechanism 3 further comprises a hydraulic cylinder 31 and a pressure sensor 32, the hydraulic cylinder 31 is mounted on the support plate 21, the output end of the hydraulic cylinder 31 is fixedly connected with the pressure sensor 32, and the pressure sensor 32 is connected with the pressure column 33.
Specifically, the pressure sensor 32 can measure the pressure during the working process by applying the pressure to the pavement material to be measured through the pressure column 33, and thus the effect of measuring the strength of the pavement material can be achieved.
Optionally, the device further comprises a three-grab chuck 7, wherein the three-grab chuck 7 is arranged on the inner bottom surface of the cylinder 4, and the three-grab chuck 7 is coaxially arranged with the cylinder 4.
In this embodiment, the pavement material to be measured can be cut into a cylinder shape, then the pavement material to be measured is clamped by the three-grip chuck 7, and the three-grip chuck 7 is convenient to use and has the effect of strong clamping force on the pavement material to be measured.
Optionally, the vacuum cleaner further comprises a suction mechanism 6, wherein the suction mechanism 6 comprises a suction cover 61, a negative pressure pump 62 and a collecting box 63, the suction cover 61 is arranged on the upper surface of the cabinet body 1, the suction cover 61 is communicated with an air inlet of the negative pressure pump 62 through a pipeline, and an air outlet of the negative pressure pump 62 is communicated with the collecting box 63 through a pipeline.
In this embodiment, the suction hood 61 may be provided at the rear side of the upper surface of the cabinet 1 so that dust escaping from the top opening of the cylinder 4 can be sucked and sucked into the collection tank 63 for cleaning periodically when the pavement material is depressed.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (7)
1. A pavement material strength measurement apparatus, comprising:
a cabinet body (1);
the impact mechanism (3) is arranged above the cabinet body (1), the impact mechanism (3) comprises a pressing column (33), and the pressing column (33) is used for moving vertically;
barrel (4) and direction subassembly (5), barrel (4) are located impact mechanism (3) below and with press post (33) coaxial setting, direction subassembly (5) are equipped with a plurality of and are located barrel (4) top, direction subassembly (5) include locating lever (51) and rolling element (52), one end of locating lever (51) with barrel (4) top inner peripheral surface is connected, the other end of locating lever (51) is followed barrel (4) radial extension and be equipped with rolling element (52), rolling element (52) be used for with press post (33) global rolling contact.
2. The pavement material strength measurement apparatus according to claim 1, wherein the end of the positioning rod (51) remote from the rolling elements (52) is provided with grooves (511), the rolling elements (52) comprising balls which are rollingly connected in the grooves (511).
3. The pavement material strength measurement apparatus according to claim 1, wherein the end of the positioning rod (51) remote from the rolling element (52) is provided with a groove (511), the rolling element (52) comprises a roller, and the roller is rotatably connected in the groove (511) by a rotation shaft.
4. A pavement material strength measurement apparatus according to claim 2 or 3, further comprising a cabinet (1) and a support (2), wherein the support (2) comprises a support plate (21) and a support rod (22), one end of the support rod (22) is connected to the cabinet (1), and the other end of the support rod (22) is fixedly connected to the support plate (21).
5. The pavement material strength measurement apparatus according to claim 4, wherein said impact mechanism (3) further comprises a hydraulic cylinder (31) and a pressure sensor (32), said hydraulic cylinder (31) being mounted on said support plate (21), an output end of said hydraulic cylinder (31) being fixedly connected to said pressure sensor (32), said pressure sensor (32) being connected to said pressure post (33).
6. The pavement material strength measurement apparatus according to claim 5, further comprising a three-grip chuck (7), wherein the three-grip chuck (7) is mounted to an inner bottom surface of the cylinder (4), and wherein the three-grip chuck (7) is coaxially arranged with the cylinder (4).
7. The pavement material strength measurement apparatus according to claim 6, further comprising a suction mechanism (6), wherein the suction mechanism (6) comprises a suction hood (61), a negative pressure pump (62) and a collection box (63), the suction hood (61) is provided on the upper surface of the cabinet body (1), the suction hood (61) is communicated with the air inlet of the negative pressure pump (62) through a pipe, and the air outlet of the negative pressure pump (62) is communicated with the collection box (63) through a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461023.3U CN220399091U (en) | 2023-06-09 | 2023-06-09 | Pavement material strength measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461023.3U CN220399091U (en) | 2023-06-09 | 2023-06-09 | Pavement material strength measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399091U true CN220399091U (en) | 2024-01-26 |
Family
ID=89614447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321461023.3U Active CN220399091U (en) | 2023-06-09 | 2023-06-09 | Pavement material strength measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399091U (en) |
-
2023
- 2023-06-09 CN CN202321461023.3U patent/CN220399091U/en active Active
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