CN216208292U - Pavement hardness detection device - Google Patents
Pavement hardness detection device Download PDFInfo
- Publication number
- CN216208292U CN216208292U CN202121794049.0U CN202121794049U CN216208292U CN 216208292 U CN216208292 U CN 216208292U CN 202121794049 U CN202121794049 U CN 202121794049U CN 216208292 U CN216208292 U CN 216208292U
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- Prior art keywords
- pressure
- lifting
- lifting cylinder
- adjusting screw
- slide block
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000007542 hardness measurement Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of road detection, and discloses a road surface hardness detection device which comprises a device base, wherein a lifting cylinder is fixedly installed at the top of the device base, a lifting slide block is slidably installed inside the lifting cylinder, the top of the lifting slide block is rotatably connected with an adjusting screw rod, an adjusting turntable is fixedly installed at the top of the adjusting screw rod, connecting platforms are fixedly connected to two sides of the lifting slide block, and an upper sleeve is fixedly installed inside the connecting platforms. The pressure testing device can rotate the adjusting turntable to drive the adjusting screw rod to rotate in the lifting cylinder, the lifting slide block is driven to move downwards through the threaded connection between the adjusting screw rod and the lifting cylinder, then the lower sleeve and the pressure block are driven to move downwards through the connecting table to test the pressure of the ground, and the pressure of the pressure block on the ground is read according to the pressure scale pointed by the lower sleeve during testing, so that the pressure error caused by ground deformation is prevented.
Description
Technical Field
The utility model relates to the technical field of road detection, in particular to a pavement hardness detection device.
Background
The road detection refers to observation and measurement of the appearance and the geometric dimension of a road surface, test of the overall strength, the flatness, the roughness and the compactness of the road surface, strength test of a concrete test piece, test of the content and the gradation composition of asphalt after sampling of the asphalt road surface and the like.
The following problems of the conventional road hardness detection device in the use process are found to be not solved well: 1. the existing pavement hardness detection device usually adopts fixed pressure for detection, and the actual pressure on the pavement is possibly influenced by the deformation of the pavement; 2. the existing road surface hardness detection device can only detect the hardness of a single-point fixed-size area of a road surface, so that detection errors are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, for example, the conventional road surface hardness detection device usually adopts fixed pressure for detection, and may be influenced by the fact that the deformation of the road surface influences the actual pressure on the road surface, and the conventional road surface hardness detection device can only detect the hardness of a single-point fixed-size area of the road surface, so that the detection is easy to generate errors.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a road surface hardness detection device, includes the device base, the top fixed mounting of device base has a lift section of thick bamboo, the inside slidable mounting of a lift section of thick bamboo has a lifting slide block, lifting slide block's top is rotated and is connected with adjusting screw, adjusting screw's top fixed mounting has the regulation carousel, the equal fixedly connected with in both sides of lifting slide block connects the platform, the inside fixed mounting of connecting the platform has an upper portion sleeve, the pressure scale has been seted up to the telescopic outside in upper portion, and the telescopic inside fixedly connected with pressure spring in upper portion, pressure spring's bottom fixedly connected with lower part sleeve, the telescopic bottom fixedly connected with pressure block in lower part, the equal fixed mounting in both sides of device base has the fixed plate.
Preferably, two sides of the lifting slide block penetrate through the lifting cylinder to be fixedly connected with the inner side of the connecting table, and the outer portion of the lifting slide block is attached to the inner portion of the lifting cylinder.
Preferably, the bottom of the adjusting screw penetrates through the top of the lifting cylinder and is rotatably connected with the top of the lifting slider, and the outer part of the adjusting screw is in threaded connection with the top of the lifting cylinder.
Preferably, four upper sleeves are fixedly mounted inside the connecting table and are distributed annularly and equidistantly.
Preferably, the bottom of the upper sleeve is slidably mounted inside the lower sleeve by a pressure spring.
Preferably, the pressure blocks installed at the bottom of the lower sleeve have the same length, but the cross-sectional areas of the pressure blocks are different from each other.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the pressure testing device can rotate the adjusting turntable to drive the adjusting screw rod to rotate in the lifting cylinder, the lifting slide block is driven to move downwards through the threaded connection between the adjusting screw rod and the lifting cylinder, then the lower sleeve and the pressure block are driven to move downwards through the connecting table to test the pressure of the ground, and the pressure of the pressure block on the ground is read according to the pressure scale pointed by the lower sleeve during testing, so that the pressure error caused by ground deformation is prevented.
(2) According to the utility model, the four pressure blocks are used for simultaneously carrying out pressure test on the ground, and the four pressure blocks synchronously move under the driving of the connecting table and the lifting slide block, and because the cross sectional areas of the four pressure blocks are different, the deformation condition of the road surface under different pressures can be obtained during detection, so that errors can be prevented during single-point detection.
Drawings
FIG. 1 is a main sectional view of the structure of the present invention;
FIG. 2 is a bottom view of the structure of the present invention;
fig. 3 is a cross-sectional view of the upper sleeve of the present invention.
In the figure: 1. a device base; 2. a lifting cylinder; 3. a lifting slide block; 4. adjusting the screw rod; 5. adjusting the turntable; 6. a connecting table; 7. an upper sleeve; 8. pressure scales; 9. a pressure spring; 10. a lower sleeve; 11. a pressure block; 12. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a road surface hardness detection device comprises a device base 1, a lifting cylinder 2 is fixedly installed on the top of the device base 1, a lifting slider 3 is slidably installed inside the lifting cylinder 2, the top of the lifting slider 3 is rotatably connected with an adjusting screw 4, the bottom of the adjusting screw 4 penetrates through the top of the lifting cylinder 2 to be rotatably connected with the top of the lifting slider 3, the outer portion of the adjusting screw 4 is in threaded connection with the top of the lifting cylinder 2, the lifting slider 3 can be driven to move up and down through the rotation of the adjusting screw 4, an adjusting turntable 5 is fixedly installed on the top of the adjusting screw 4, connecting tables 6 are fixedly connected on both sides of the lifting slider 3, both sides of the lifting slider 3 penetrate through the lifting cylinder 2 to be fixedly connected with the inner sides of the connecting tables 6, the outer portion of the lifting slider 3 is attached to the inner portion of the lifting cylinder 2, the connecting tables 6 on both sides can be synchronously driven to move up and down when the lifting slider 3 moves up and down, an upper sleeve 7 is fixedly installed inside the connecting table 6, four upper sleeves 7 are fixedly installed inside the connecting table 6, the four upper sleeves 7 are distributed in an annular and equidistant mode and can keep balance of the device when a pressure test is carried out, a pressure scale 8 is arranged outside the upper sleeve 7, a pressure spring 9 is fixedly connected inside the upper sleeve 7, a lower sleeve 10 is fixedly connected to the bottom of the pressure spring 9, the bottom of the upper sleeve 7 is slidably installed inside the lower sleeve 10 through the pressure spring 9, the pressure on the ground can be read through the sliding distance between the upper sleeve 7 and the lower sleeve 10, pressure blocks 11 are fixedly connected to the bottom of the lower sleeve 10, fixing plates 12 are fixedly installed on two sides of the device base 1, the length of the pressure blocks 11 installed at the bottom of the lower sleeve 10 is the same, but the cross sectional areas of the pressure blocks 11 are different, the deformation of the ground under different pressures can be tested by different pressure blocks 11.
The working principle is as follows: when the device is used, firstly, the device is fixed on the ground through a fixing plate 12, then an adjusting turntable 5 is rotated to drive an adjusting screw rod 4 to rotate in a lifting cylinder 2, a lifting slide block 3 is driven to move downwards through threaded connection between the adjusting screw rod 4 and the lifting cylinder 2, then a lower sleeve 10 and a pressure block 11 are driven to move downwards through a connecting table 6 to carry out pressure test on the ground, the pressure of the pressure block 11 on the ground is read according to a pressure scale 8 pointed by the lower sleeve 10 during the test, so that the pressure error caused by ground deformation is prevented, and the four pressure blocks 11 synchronously move under the driving of the connecting table 6 and the lifting slide block 3, and due to the cross sectional areas of the four pressure blocks 11, the deformation conditions of the road surface under different pressures can be obtained during the detection, so that the error during single-point detection is prevented, therefore, the concrete working principle of the road surface hardness detection device is described above.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a road surface hardness detection device, includes device base (1), its characterized in that: the top of the device base (1) is fixedly provided with a lifting cylinder (2), the interior of the lifting cylinder (2) is provided with a lifting slide block (3) in a sliding way, the top of the lifting slide block (3) is rotationally connected with an adjusting screw rod (4), the top of the adjusting screw rod (4) is fixedly provided with an adjusting turntable (5), the two sides of the lifting slide block (3) are both fixedly connected with a connecting table (6), an upper sleeve (7) is fixedly arranged inside the connecting table (6), the outer part of the upper sleeve (7) is provided with a pressure scale (8), and the interior of the upper sleeve (7) is fixedly connected with a pressure spring (9), the bottom of the pressure spring (9) is fixedly connected with a lower sleeve (10), the bottom fixedly connected with pressure piece (11) of lower part sleeve (10), the equal fixed mounting in both sides of device base (1) has fixed plate (12).
2. The pavement hardness detection device according to claim 1, wherein two sides of the lifting slider (3) penetrate through the lifting cylinder (2) to be fixedly connected with the inner side of the connecting table (6), and the outer part of the lifting slider (3) is attached to the inner part of the lifting cylinder (2).
3. The pavement hardness detection device according to claim 1, wherein the bottom of the adjusting screw (4) passes through the top of the lifting cylinder (2) and is rotatably connected with the top of the lifting slider (3), and the outer part of the adjusting screw (4) is in threaded connection with the top of the lifting cylinder (2).
4. The device for detecting the hardness of a road surface according to claim 1, wherein four upper sleeves (7) are fixedly mounted inside the connecting table (6), and the four upper sleeves (7) are annularly and equidistantly distributed.
5. A pavement hardness testing device according to claim 1, characterized in that the bottom of said upper sleeve (7) is slidably mounted inside the lower sleeve (10) by means of a pressure spring (9).
6. The pavement hardness detecting device according to claim 1, wherein the pressure blocks (11) mounted at the bottom of the lower sleeve (10) have the same length, but the cross-sectional areas of the pressure blocks (11) are different from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121794049.0U CN216208292U (en) | 2021-08-03 | 2021-08-03 | Pavement hardness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121794049.0U CN216208292U (en) | 2021-08-03 | 2021-08-03 | Pavement hardness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216208292U true CN216208292U (en) | 2022-04-05 |
Family
ID=80895778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121794049.0U Expired - Fee Related CN216208292U (en) | 2021-08-03 | 2021-08-03 | Pavement hardness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216208292U (en) |
-
2021
- 2021-08-03 CN CN202121794049.0U patent/CN216208292U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |