CN210803118U - Pavement structure interlaminar strength detection device - Google Patents
Pavement structure interlaminar strength detection device Download PDFInfo
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- CN210803118U CN210803118U CN201921399149.6U CN201921399149U CN210803118U CN 210803118 U CN210803118 U CN 210803118U CN 201921399149 U CN201921399149 U CN 201921399149U CN 210803118 U CN210803118 U CN 210803118U
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Abstract
The utility model relates to a road surface structural layer intensity detection device, including the base fix the operation panel on the base, establish a plurality of sample holes on the operation panel and rotate the level detection device who is connected and is used for applying horizontal thrust to the appearance piece with the operation panel. The level detection device comprises a rotating seat rotatably connected with the operating platform, a lead screw in threaded connection with the rotating seat, a pressure arm rotatably connected with the lead screw, a film pressure sensor arranged on the pressure arm and a pressure gauge connected with the film pressure sensor. The pressure arm is detachably connected with a pressure block, the pressure block is provided with a pressure groove matched with the sample block, and the pressure block is abutted against the film pressure sensor. The distances from the plurality of sample holes to the joints of the horizontal detection device and the operating platform are sequentially increased. The utility model is used for intensity detects between road surface structural layer's layer, has characteristics such as detection speed is fast and convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the technique of road check out test set and specifically relates to an intensity detection device between road surface structural layer is related to.
Background
With the rapid development of highway construction in China, the early damage and diseases of asphalt pavements also have a rising trend, and huge economic losses are caused. The insufficient bonding strength between the structural layers of the asphalt pavement easily causes the asphalt pavement to have the defects of pushing, upheaving, water damage and the like, so the pavement interlayer treatment is good or bad, namely the bonding strength between the structural layers of the pavement has great influence on the durability of the whole structure of the asphalt pavement. The investigation results show that a large part of the early diseases of the pavement are caused by poor bonding between the base layer and the surface layer. Therefore, measures are taken in actual engineering to strengthen the interlayer bonding between the surface layer and the base layer, and the method is of great importance to the service performance and the service life of the pavement.
Therefore, in the actual construction process, the road surface needs to be sampled and detected along with the construction progress so as to find problems in time and adjust construction, formula, ingredients and the like. Most of the existing detection modes are that the sample is sent to a temporary laboratory for detection after being sampled, the detection result of the detection mode is slow, only one sample can be detected each time, the information feedback is not timely, and particularly when the number of sample blocks is large, the situation of disordered sequencing is easy to occur, so that the provided detection result is not matched with the performance data of the actual sample blocks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a strength detection device between road surface structure layer, this strength detection device between road surface structure layer directly uses in the sample site, can detect a plurality of appearance pieces simultaneously, directly gives the testing result.
The above object of the present invention can be achieved by the following technical solutions:
a pavement structure interlaminar strength detection device comprises:
a base;
the operation table is fixed on the base;
the plurality of sample holes are arranged on the operating platform and used for placing sample blocks;
and the horizontal detection device is rotatably connected with the operating platform and is used for applying horizontal thrust to the sample block.
By adopting the technical scheme, after field sampling, the samples are sequentially placed in the sample holes, and then each sample block is detected by using the horizontal detection device. The detection mode is simple and reliable, can directly provide a detection result at a sampling point, is high in detection speed, can rapidly provide the detection result, does not have the condition that the result is not matched with the sample, and can provide accurate guidance data for engineering personnel.
The utility model discloses in the preferred embodiment, level detection device includes rotates the rotation seat of being connected, with the lead screw that rotates seat threaded connection, rotates the pressure arm of being connected, establishes the film pressure sensor on the pressure arm and the manometer of being connected with film pressure sensor with the lead screw with the operation panel.
Through adopting above-mentioned technical scheme, rotate the lead screw and paste the pressure arm to the appearance piece on, film pressure sensor just can feed back the manometer with the pressure between the two on, this kind of detection mode easy operation, it is fast, can give the testing result fast.
In the preferred embodiment of the utility model, the pressure arm is detachably connected with a pressure block, and the pressure block is provided with a pressure groove matched with the sample block;
the pressure block abuts against the film pressure sensor.
By adopting the technical scheme, different pressure blocks correspond to samples in different shapes, so that the proper pressure block can be selected according to the actual shape of the sample block, and different field use requirements can be met.
In the preferred embodiment of the present invention, the distance between the plurality of sample holes and the connection between the level detecting device and the operation table is sequentially increased.
By adopting the technical scheme, when the next sample block is detected, the pressure arm only needs to move reversely for a short distance or does not need to move reversely at all, so that the adjustment time between the sample blocks can be shortened, and the detection speed is improved.
The utility model discloses in the preferred embodiment, sliding connection has the guide block on the operation panel, be equipped with on the guide block with pressure arm assorted guiding hole.
By adopting the technical scheme, the guide hole can limit the moving track of the pressure arm, so that the pressure arm can move along a given route, and the detection precision can be improved.
In a preferred embodiment of the invention, the cross-sectional shape of the guide hole is circular, perpendicular to the direction of movement of the pressure arm.
Through adopting above-mentioned technical scheme, the processing of circular guiding hole is more convenient, can reduce the processing degree of difficulty, and then reduces manufacturing cost.
The utility model discloses in the preferred embodiment, still include and establish the adjusting device who is used for adjusting on the base the appearance piece height in the sample hole.
By adopting the technical scheme, the interlayer strength between different layers can be detected through one sample block, and the detection data is more comprehensive.
In a preferred embodiment of the present invention, the adjusting device comprises an adjusting rod connected with the base by screw thread and a sliding table which is arranged in the sample hole and can freely slide;
one end of the adjusting rod extends into the sample hole and abuts against the bottom surface of the sliding table.
By adopting the technical scheme, when the adjusting rod is rotated, the sliding table can lift in the sample hole along with the adjusting rod, so that the interlayer strength between different layers of the sample block can be detected, and the use is more convenient.
To sum up, the utility model discloses a beneficial technological effect does:
1. after sampling on site, the samples are sequentially placed in the sample holes, and then each sample block is detected by using a horizontal detection device, so that the detection result can be directly given on site. The detection mode is simple and reliable, can directly provide a detection result at a sampling point, is high in detection speed, can rapidly provide the detection result, does not have the condition that the result is not matched with the sample, and can provide accurate guidance data for engineering personnel.
2. The pressure block can be dismantled with the pressure arm and be connected, and the staff can carry the pressure block of different specifications like this for satisfy the different user demand in scene, can change at any time according to the appearance piece shape, it is more convenient to use.
3. In the testing process, rotate the adjusting lever on the operation panel, just can make the appearance piece height in the sample hole change, then detect the interlaminar intensity between the different layers, a plurality of data just can be fed back to an appearance piece like this, have both avoided taking a sample repeatedly to the destruction on road surface, can also avoid changing, improve detection efficiency.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of a lead screw, a pressure arm and a pressure block according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the relative positions of an adjusting rod and a sliding table according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a guide block according to an embodiment of the present invention.
In the figure, 11, the base; 12. an operation table; 13. a sample hole; 21. a guide block; 22. a guide hole; 31. a base; 32. a lead screw; 33. a pressure arm; 34. a pressure block; 35. pressing a groove; 36. a thin film pressure sensor; 37. a pressure gauge; 41. an adjusting lever; 42. a slide table.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a road surface structural layer interlayer strength detection device for the road structural layer's of job site interlayer strength detects, mainly comprises base 11, operation panel 12, level detection device and adjusting device etc..
The base 11 is a main body of the whole detection device, and the operation table 12 is fixedly installed on the base 11 and used for placing sample blocks and applying pressure to the sample blocks.
The rotating base 31 of the level detection device is rotatably connected to the operating platform 12, can freely rotate, and is provided with a threaded hole, and the axis of the threaded hole is parallel to the upper surface of the operating platform 12. The middle portion of the screw shaft 32 passes through the threaded hole, is connected to the console 12, and can move relative to the console 12 when rotated. One end of the pressure arm 33 is inserted into a hole in the screw 32 so as to be movable together with the screw 32 and so as to be movable only without rotation after being pressed against the sample block.
Referring to fig. 2, the film pressure sensor 36 is attached to one end of the pressure arm 33 contacting with the sample block, and is responsible for feeding back the pressure between the pressure arm 33 and the sample block to the pressure gauge 37, and the pressure gauge 37 is installed on the base 11 or the operation table 12, so that the worker can check the pressure conveniently.
In the use, the shape of the sample piece is inconsistent, and in order to make the detection result more accurate, a pressure block 34 is added on the pressure arm 33, and a pressure groove 35 is arranged on the pressure block 34 and is attached to the outer surface of the sample piece in use. The pressure block 34 is detachably connected with the pressure arm 33, and the pressure block 34 can be replaced by a proper pressure block according to different sample blocks. One end of the pressure arm 33, to which the film pressure sensor 36 is attached, is provided with a blind hole, and one end of the pressure block 34 is inserted into the blind hole and abuts against the film pressure sensor 36. For clarity, the gap between the arm 33 and the block 34 is enlarged.
Referring back to fig. 1, the operation table 12 is provided with a plurality of sample holes 13, the sample holes 13 are divided into a plurality of groups, the diameter of each group of sample holes 13 is different, and the inner diameter of the same group of sample holes 13 is the same. The plurality of sample holes 13 are arranged in order on the stage 12 with reference to the joint between the rotary base 31 and the stage 12, and the distances between the sample holes 13 and the joint increase in the order of arrangement.
Referring to fig. 1 and 4, each sample hole 13 is further provided with an adjusting device, which mainly comprises an adjusting rod 41 and a sliding table 42, and is used for adjusting the extending length of the sample block in the sample hole 13. The slide table 42 is placed in the sample hole 13, and the shape of the sample hole 13 is the same, and can slide freely in the sample hole 13. The adjustment rod 41 is screwed to the operation table 12, and a section thereof protrudes into the sample hole 13 and abuts against the bottom surface of the slide table 42, thereby pushing the slide table 42 to move.
An arc-shaped sliding groove is further formed in the operating platform 21, and a part of the guide block 21 is located in the sliding groove and can freely slide on the operating platform 21. The guide block 21 is located between the sample hole 13 and the level detection device, and has a circular guide hole 22 for supporting the pressure arm 33.
The implementation principle of the embodiment is as follows:
during detection, the base 11 is directly placed near a sampling point, then samples are sequentially placed in the sample holes 13 on each operating platform 12, and then the extension length of the sample block is adjusted, wherein the specific mode is as follows: the adjusting rod 41 below the corresponding sample hole 13 is rotated to enable the sliding table 42 in the corresponding sample hole 13 to ascend or descend, meanwhile, the extending length of the sample block is observed, when the interlayer connection part of the structure layer ascends to be positioned on the same plane with the upper surface of the operation table 12, the sample block stops, and the rest sample blocks are adjusted according to the mode.
Then, the detection is started by sliding the guide block 21, rotating the pressure arm 33 to the front of the first block, and then slowly rotating the screw 32 to push the pressure block 34 against the first block. Then, the screw 32 is rotated by force and the value displayed on the pressure gauge 37 is observed, and the value displayed on the pressure gauge 37 is recorded when the separation between the layers of the sample block starts, and the value when the portion of the sample block on the operation table 12 is separated from the portion in the sample hole 13 is recorded.
The screw 32 is then suitably rotated in the opposite direction and simultaneously the guide block 21 is pushed to slide in front of the next block, repeating the above and recording the value displayed on the pressure gauge 37. The detection process of the remaining sample blocks is the same as the above process.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a road surface structure interlaminar strength detection device which characterized in that includes:
a base (11);
an operation table (12) fixed on the base (11);
a plurality of sample holes (13) arranged on the operating platform (12) and used for placing sample blocks;
and the horizontal detection device is rotatably connected with the operating platform (12) and is used for applying horizontal thrust to the sample block.
2. The pavement structure interlayer strength detection device according to claim 1, characterized in that: the level detection device comprises a rotating seat (31) rotatably connected with the operating platform (12), a lead screw (32) in threaded connection with the rotating seat (31), a pressure arm (33) rotatably connected with the lead screw (32), a film pressure sensor (36) arranged on the pressure arm (33) and a pressure gauge (37) connected with the film pressure sensor (36).
3. The pavement structure interlayer strength detection device according to claim 2, characterized in that: the pressure arm (33) is detachably connected with a pressure block (34), and a pressure groove (35) matched with the sample block is formed in the pressure block (34);
the pressure block (34) abuts against the membrane pressure sensor (36).
4. The pavement structure interlayer strength detection device according to claim 3, characterized in that: the distances between the plurality of sample holes (13) and the joints of the level detection device and the operation table (12) are sequentially increased.
5. The pavement structure interlayer strength detection device according to claim 3, characterized in that: the operating platform (12) is connected with a guide block (21) in a sliding mode, and a guide hole (22) matched with the pressure arm (33) is formed in the guide block (21).
6. The pavement structure interlayer strength detection device according to claim 5, wherein: the cross-sectional shape of the guide hole (22) is circular in a direction perpendicular to the direction of movement of the pressure arm (33).
7. The pavement structure interlayer strength detection apparatus according to any one of claims 1 to 6, characterized in that: the device also comprises an adjusting device which is arranged on the base (11) and is used for adjusting the height of the sample block in the sample hole (13).
8. The pavement structure interlayer strength detection device according to claim 7, wherein: the adjusting device comprises an adjusting rod (41) in threaded connection with the base (11) and a sliding table (42) which is arranged in the sample hole (13) and can freely slide;
one end of the adjusting rod (41) extends into the sample hole (13) and abuts against the bottom surface of the sliding table (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399149.6U CN210803118U (en) | 2019-08-27 | 2019-08-27 | Pavement structure interlaminar strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399149.6U CN210803118U (en) | 2019-08-27 | 2019-08-27 | Pavement structure interlaminar strength detection device |
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| CN210803118U true CN210803118U (en) | 2020-06-19 |
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| CN201921399149.6U Active CN210803118U (en) | 2019-08-27 | 2019-08-27 | Pavement structure interlaminar strength detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968201A (en) * | 2021-02-05 | 2021-06-15 | 东莞市爱康电子科技有限公司 | Self-adaptive hot pressing mechanism |
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2019
- 2019-08-27 CN CN201921399149.6U patent/CN210803118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968201A (en) * | 2021-02-05 | 2021-06-15 | 东莞市爱康电子科技有限公司 | Self-adaptive hot pressing mechanism |
| CN112968201B (en) * | 2021-02-05 | 2022-08-05 | 东莞市爱康智能技术有限公司 | Self-adaptive hot pressing mechanism |
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