CN117907022A - Pavement compaction quality detection equipment and method thereof - Google Patents
Pavement compaction quality detection equipment and method thereof Download PDFInfo
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- CN117907022A CN117907022A CN202410309263.4A CN202410309263A CN117907022A CN 117907022 A CN117907022 A CN 117907022A CN 202410309263 A CN202410309263 A CN 202410309263A CN 117907022 A CN117907022 A CN 117907022A
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- 238000005056 compaction Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 58
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 238000010276 construction Methods 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 238000009434 installation Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The invention relates to the technical field of pavement detection equipment, in particular to pavement compaction quality detection equipment and a method thereof, wherein the pavement compaction quality detection equipment comprises a machine body, a pressure application test area and a sampling construction area which are adjacently arranged at the left side and the right side of the machine body, and a control system which is arranged at the front side of the machine body and used for controlling electric components of the whole equipment; the bottom of the machine body is integrally provided with a base, and the base is provided with a placing sliding block capable of sliding in the pressure test area and the sampling construction area and used for conveying samples in the sampling construction area to the pressure test area for pressure detection; the test area of exerting pressure is including installing in the jack at organism top, through being provided with test area of exerting pressure and sample construction district respectively at the organism, can place the slider with the sample immediately after the core drilling sampling device sample finishes to carry the jack direct pressure detection of test area of exerting pressure through placing the slider, thereby realize real-time detection, can improve test data's precision to and carry out compactness detection to required road surface fast.
Description
Technical Field
The invention relates to the technical field of pavement detection equipment, in particular to pavement compaction quality detection equipment and a pavement compaction quality detection method.
Background
Road compaction detection is an important link for ensuring road construction quality, and relates to the use of various detection equipment and methods for evaluating the compactness and uniformity of road materials after compaction, and specifically comprises the following steps: a pit digging sand filling test compactness method, a coreless densitometer test compactness method, a drilling core test pavement compactness method, a ring cutter test compactness method and a nucleon densitometer test compactness method; in actual construction, in order to ensure the quality and spoonability of pavement compaction, the above detection methods are often combined to obtain more comprehensive data support; the compaction degree on the asphalt pavement generally adopts a method for testing the compaction degree of the pavement by using a drill core, and the drill core rule requires that a drilling machine and a drill bit are matched for use, so that pavement materials are cut to take out core samples, then samples are cleaned and dried and sent to a test entity, the load and the strength are detected by using a jack, and the load and the strength are mainly tested by simulating actual traffic load to apply pressure to the pavement, so that the bearing capacity and the compaction degree of the pavement materials are evaluated; jacks are often equipped with load sensors that can precisely control the force applied to the road surface and record the magnitude of the applied force; in the whole process, the sensor can monitor the load applied by the jack and the response condition of the road surface in real time; by analyzing these data, the compactness and strength of the road surface can be evaluated; however, when the existing drilling machine is used, the existing drilling machine cannot be used in site and measured immediately, a long time is required to take a laboratory for detection after sampling, the final detection data of a sample may be affected, and during the process of drilling an asphalt road sample, the sample is directly clamped in a hole drilled on a road surface, and also a part of the drilled sample is easy to be directly clamped in a drill bit pipe and is difficult to take out, and generally a hammer is required to be manually taken for knocking or buckling, however, the use of the drilling machine can cause certain damage to the sample or the drill bit pipe, and the data of the test compactness of the later sample and the use effect and efficiency of equipment are also affected, so that the device and the method for detecting the compaction quality of the road surface are needed to be provided.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a road surface compaction quality inspection apparatus that solves the problems mentioned in the background art above.
In order to achieve the above object, the present invention is realized by the following technical scheme: a compaction quality detection device for a pavement comprises a machine body, a pressing test area and a sampling construction area which are adjacently arranged on the left side and the right side of the machine body, and a control system which is arranged on the front side of the machine body and used for controlling the electrical components of the whole device;
the bottom of the machine body is integrally provided with a base, and the base is provided with a placing sliding block capable of sliding in the pressure test area and the sampling construction area and used for conveying samples in the sampling construction area to the pressure test area for pressure detection;
the pressure application test area comprises a jack arranged at the top of the machine body;
The drill core sampling device comprises a mounting frame plate, a mounting box which is arranged in the middle of the mounting frame plate in a lifting mode, and a drill bit pipe which is rotatably arranged on the lower side of the mounting box, and a transmission assembly which is used for driving the drill bit pipe to rotate is arranged on the inner side of the mounting box;
The upper side of the mounting box is provided with a piston assembly, and the piston assembly can move on the inner side of the drill bit pipe;
The piston assembly comprises a telescopic rod arranged at the top of the mounting box and a connecting push plate arranged at the telescopic end of the telescopic rod and adapted to the inner diameter of the drill bit pipe, a piston block is fixedly arranged at the bottom of the connecting push plate, and the piston block can be closely attached to the inner wall of the drill bit pipe for lifting;
The two sides of the connecting push plate are respectively embedded and provided with an electric control valve, water holes and air holes are vertically formed in the two sides of the piston block, and the bottom ends of the two electric control valves are respectively connected with the water holes and the air holes;
The top of the mounting box is fixedly provided with a fixed air pipe and a fixed water pipe, the top of the machine body is provided with a water tank and an air pump, the top end of the fixed air pipe is connected with the air pump through an air pipe, and the fixed water pipe is connected with a water pump in the water tank through a water pipe;
The top ends of the two electric control valves are respectively connected with rubber hoses and are respectively communicated with the fixed air pipe and the fixed water pipe through the two rubber hoses.
The upper side of the base is provided with a movable groove and a sampling through hole communicated with the road surface, the movable groove is positioned below the jack and the drill bit pipe, the sampling through hole is arranged at the lower side of the movable groove and corresponds to the position right below the drill bit pipe, two sides of the movable groove are respectively provided with a sliding guide rod, the sliding guide rod is characterized in that two sides of the bottom of the placing sliding block are in sliding connection with the sliding guide rod, a linear tooth row is fixedly arranged on one side of the movable groove, a sliding motor is arranged on one side of the placing sliding block, a traveling gear is arranged at the shaft end of the sliding motor, and the sliding motor is in meshed transmission with the linear tooth row through the traveling gear.
On the basis of the technical scheme, the movable grooves on two sides of the sampling through hole are respectively provided with an inclined guide slope, the inclined guide slopes incline downwards towards one side of the sampling through hole, and the inclined guide slopes are arranged below the placing sliding block.
On the basis of the technical scheme, the two sides of the installation box are respectively integrally provided with the embedded convex blocks, the two sides of the inside of the installation frame plate are respectively provided with the inner lifting grooves, the two sides of the installation box are respectively integrally provided with the embedded convex blocks, the embedded convex blocks are respectively movably embedded into the inner sides of the inner lifting grooves, the screw rod and the sliding rod are vertically installed in the inner lifting grooves and respectively penetrated by the embedded convex blocks, the screw rod is in threaded connection with the embedded convex blocks, and the top of the installation frame plate is provided with the lifting motor for driving the screw rod.
On the basis of the technical scheme, an air inlet groove and an air outlet groove are respectively formed in two sides of the bottom of the top of the installation frame plate, a connecting air pipe is arranged in the middle of the installation frame plate and used for communicating the air inlet groove with the air outlet groove, and a fan is arranged on the inner side of the connecting air pipe.
On the basis of the technical scheme, the air inlet groove and the air outlet groove are both positioned above the base, wherein the air inlet groove is arranged above the movable path of the placing slide block.
On the basis of the technical scheme, the dust filter plate is arranged on the inner side of the air inlet groove, and the heating rod is arranged on the inner side of the air outlet groove.
On the basis of the technical scheme, the transmission assembly comprises a rotating motor arranged on the inner side of the mounting box and a driving gear arranged on a rotating shaft of the rotating motor, a driven gear is sleeved on the inner side of the drill bit pipe, and the driving gear and the driven gear are in meshed transmission.
On the basis of the technical scheme, the front box plate and the rear box plate of the installation box are locked through screws.
The invention also comprises a using method for the pavement compaction quality detection equipment, which comprises the following steps: the method comprises the steps that a drill core sampling device in a sampling construction area drills a pavement, samples are placed in a placing sliding block, the placing sliding block is conveyed to a jack of a pressing test area to directly press and detect the samples, specifically, when the drill core sampling device is used, a drill bit pipe rotates at a high speed, and the drill bit pipe descends along with a mounting frame plate, so that the drill bit pipe drills the pavement, the pavement samples can be clamped into the drill bit pipe during drilling, in the continuous downward drilling process, cooling water can be conveyed to a fixed water pipe through a water pump in a water tank, the fixed water pipe conveys the water to a corresponding electric control valve through a rubber hose, at the moment, the electric control valve of the water path is opened, so that the cooling water enters the drill bit pipe, and the drill bit pipe is cooled and dust is settled while the pavement is drilled;
After drilling is finished, the mounting box is moved upwards, and as a closed cavity is formed between the piston block in the drill bit pipe and the sample, the waterway electric control valve is closed, the waterway electric control valve is opened, the air channel electric control valve is opened, the air pipe, the rubber hose and the electric control valve which are correspondingly connected are sequentially acted on by the air pump to ensure that the air hole of the piston block generates negative pressure, the drill bit pipe is pumped to generate negative pressure, and the piston block is pulled upwards to pump air by matching with the telescopic rod, so that a larger negative pressure effect is generated in the drill bit pipe, and the sample is adsorbed in the drill bit pipe more stably;
Then, the inside of the drill bit pipe is upwards displaced to a certain height along with the installation box, the placing slide block slides to the position right below the drill bit pipe, at the moment, the air pump and the electric control valve of the air channel are in a tight state, the telescopic rod downwards pushes the piston block, the sample in the drill bit pipe is pushed out onto the placing slide block by utilizing air pressure stability, the drill bit pipe slowly rises along with the pushing of the sample and is completely separated from the sample, the sample at the moment is conveyed to a jack of a pressure application test area through the placing slide block to directly apply pressure and detect until the sample is broken, and the load and strength data applied by the jack are displayed on a display screen of a control system;
during the conveying of the placing slide block, the air inlet grooves and the air outlet grooves are formed in the two sides of the bottom of the mounting box, so that the air flow speed on the placing slide block can be improved, the electric heating rods are arranged in the air outlet grooves, hot air can be blown out, samples conveyed by the placing slide block can be dried, the placing slide block stably slides on the base under the guiding action of the movable grooves and the sliding guide rods, and the inclined guide slopes are formed in the two sides of the sampling through holes, so that residual water of the sample part can be directly guided out from the inclined guide slopes to the outside of the sampling through holes, and the samples can be dried under the action of the hot air.
By adopting the technical scheme, compared with the prior art, the invention has the following advantages:
According to the invention, the machine body is respectively provided with the pressure application test area and the sampling construction area, the drill core sampling device can immediately place a sample on the placing slide block after sampling is finished, and the jack conveyed to the pressure application test area through the placing slide block directly applies pressure for detection, so that real-time detection is realized, the accuracy of test data can be improved, and the required pavement can be rapidly subjected to compactness detection;
The drill bit tube is used for drilling a pavement sample, the piston assembly is matched with the water pump in the water tank, cooling water is conveyed to the inside of the drill bit tube, so that the temperature of a drill bit is reduced, dust is reduced, drilling efficiency is improved in the drilling process of the drill bit tube, negative pressure can be generated in the inside of the drill bit tube to adsorb the sample through the use of the piston assembly and the air pump, and particularly, a good negative pressure adsorption effect can be generated through the action of the air pump negative pressure air suction matched with the telescopic rod to pull the piston block upwards, so that the sample in the inside of the drill bit tube is not easy to drop; the same piston block slides downwards to push out the sample downwards quickly and is matched with the lifting action of the mounting box, so that the drill bit pipe can stably place the sample on the placing sliding block for conveying;
The mounting box is clamped into the inner lifting groove of the mounting frame plate mainly through the embedded convex blocks at the two sides, so that the mounting box can stably move up and down in the inner lifting groove, and the embedded convex blocks are inserted through the screw rod and the sliding rod, so that the mounting box is more stable when the screw rod is used for driving the embedded convex blocks to lift, and is not easy to drop down directly;
The placing slide block can stably slide on the base under the double guiding actions of the movable groove and the sliding guide rod, and through arranging inclined guiding slopes on two sides of the sampling through hole, water remained in the sample part can directly flow to the sampling through hole from the inclined guiding slopes, so that the dryness of the equipment is maintained; because air inlet groove and air-out groove have been seted up to mounting box bottom both sides to correspond on the delivery route of placing the slider, namely the movable groove top, can improve the air velocity of flow on placing the slider like this, thereby be favorable to placing the air-drying on sample surface on the slider, and further, the air-out groove can set up the electric heater rod, makes the air-out groove blow out hot-blast, and the evaporation of higher moisture is faster the higher temperature, can improve the drying rate on sample surface on the placing slider, and dry the moisture on the slope of slope direction, the result of use and the efficiency of improvement equipment.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the press test area and the sampling construction area according to the present invention;
FIG. 3 is a schematic view of the structure of the base and the placement slider of the present invention;
FIG. 4 is a schematic diagram of a core sampling device according to the present invention;
FIG. 5 is a schematic view of the structure of the air duct and fan connection of the present invention;
FIG. 6 is a schematic view of the outside of the mounting box of the present invention;
FIG. 7 is a schematic view showing the internal structure of the mounting box of the present invention;
FIG. 8 is a schematic view of the piston assembly of the present invention;
FIG. 9 is a schematic view of the structure of the connecting push plate of the present invention;
FIG. 10 is a schematic view of a piston block according to the present invention;
In the figure: the pressure application test area a, the sampling construction area b, the PLC control system c, the machine body 1, the base 2, the movable groove 22, the sampling port 23, the slide guide rod 24, the inclined guide slope 25, the linear gear row 26, the slide motor 27, the traveling gear 28, the placement slide block 3, the jack 4, the rolling wheel 5, the drill core sampling device 6, the mounting frame plate 60, the inner lifting groove 61, the screw 62, the slide bar 63, the lifting motor 64, the air inlet groove 65, the air outlet groove 66, the connecting air pipe 67, the fan 68, the drill bit pipe 7, the mounting box 8, the embedded bump 81, the rotating motor 82, the driving gear 83, the driven gear 84, the piston assembly 9, the telescopic rod 91, the connecting push plate 92, the piston block 93, the water hole 931, the air hole 932, the electric control valve 94, the rubber hose 95, the fixed air pipe 96, the fixed water pipe 97, the water tank 98, the air pump 99
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 10, the present invention provides a technical solution for a road surface compaction quality detection apparatus: the device comprises a machine body 1, a pressure application test area a and a sampling construction area b which are adjacently arranged on the left side and the right side of the machine body 1, and a PLC control system c which is arranged on the front side of the machine body 1 and used for controlling electric components of the whole device, and is characterized in that: the sliding motor 27, the electric control valve 94, the jack 4, the lifting motor 64, the fan 68, the telescopic rod 91, the rotating motor 82, the air pump 99 and the water pump in the water tank 98 are all connected and controlled by the PLC control system c, wherein the PLC control system c is provided with a display screen for displaying data, and the PLC control system c is a common control technology in the prior art, and therefore will not be described herein.
The bottom of the machine body 1 is integrally provided with a base 2, and the base 2 is provided with a placing slide block 3 capable of sliding in a pressure test area a and a sampling construction area b, and the placing slide block is used for conveying a sample in the sampling construction area b to the pressure test area a for pressure detection; therefore, real-time detection and rapid compaction degree detection on the required pavement are realized, the detection efficiency is improved, and the real-time detection of the compaction degree on the pavement sample is also an effective means for ensuring the road engineering quality, and the method is beneficial to prolonging the service life and improving the driving safety of the road by improving the transparency and the controllability of the construction process;
The pressure application test area a comprises a jack 4 arranged at the top of the machine body 1, the pressure application detection is mainly carried out on the placing sliding block 3 by utilizing the action of the jack 4, the sampling construction area b is provided with a drill core sampling device 6, the drill core sampling device 6 comprises a mounting frame plate 60, a mounting box 8 which is arranged at the middle part of the mounting frame plate 60 in a lifting manner, and a drill bit pipe 7 which is rotatably arranged at the lower side of the mounting box 8, the inner side of the mounting box 8 is provided with a transmission component for driving the drill bit pipe 7 to rotate, and the front box plate and the rear box plate of the mounting box 8 are locked by screws, so that the later maintenance and replacement of internal fittings of the mounting box 8 are facilitated;
A piston assembly 9 is arranged on the upper side of the mounting box 8, and the piston assembly 9 can move in a piston manner on the inner side of the drill bit pipe 7; the piston assembly 9 comprises a telescopic rod 91 arranged at the top of the mounting box 8 and a connecting push plate 92 arranged at the telescopic end of the telescopic rod 91 and adapted to the inner diameter of the drill bit pipe 7, the telescopic rod 91 can be an electric telescopic rod or a hydraulic telescopic rod, a piston block 93 is fixedly arranged at the bottom of the connecting push plate 92, the piston block 93 can be tightly clung to the inner wall of the drill bit pipe 7 for lifting movement, a sample in the drill bit pipe 7 can be sucked upwards under negative pressure when the piston block 93 ascends, and the sample adsorbed in the drill bit pipe 7 can be pushed to the placing slide block 3 when the piston block 93 is pushed upwards, so that stable taking, placing and conveying of the sample are ensured;
In addition, electric control valves 94 are respectively embedded and installed at two sides of the connecting push plate 92, water holes 931 and air holes 932 are vertically formed at two sides of the piston block 93, and the bottom ends of the two electric control valves 94 are respectively connected with the water holes 931 and the air holes 932; the top of the mounting box 8 is fixedly provided with a fixed air pipe 96 and a fixed water pipe 97, the top of the machine body 1 is provided with a water tank 98 and an air pump 99, the top end of the fixed air pipe 96 is connected with the air pump 99 through an air pipe, and the fixed water pipe 97 is connected with a water pump in the water tank 98 through a water pipe; the top ends of the two electric control valves 94 are respectively connected with a rubber hose 95, and are respectively communicated with a fixed air pipe 96 and a fixed water pipe 97 through the two rubber hoses 95, and the rubber hose 95 is softer, so that the electric control valves can be adaptively bent along with the lifting of the push plate 92;
The specific waterway circulation principle is as follows: the water pump in the water tank 98 sends cooling water into the fixed water pipe 97 from the water pipe, the rubber hose 95 connected with the fixed water pipe 97 is sent into the corresponding electric control valve 94, and then the opened electric control valve 94 enters the water hole 931 of the piston block 93, so that the water outlet of the drill bit pipe 7 is realized;
The specific air passage circulation principle is as follows: the air pump 99 is in an air extraction state, the air pump 99 is connected with the fixed air pipe 96 through an air pipe, the fixed air pipe 96 is connected with the other electric control valve 94 through a rubber hose 95, and the electric control valve 94 is connected with an air hole 932 of the piston block 93; the drill bit tube 7 is communicated, so that under the action of the air pump 99, negative pressure air suction can be carried out on the inside of the drill bit tube 7, thereby playing a role in adsorbing samples, and the drill bit tube 7 can generate a better negative pressure adsorption effect by matching with the action of the telescopic rod 91 to pull the piston block 93 upwards, so that the samples in the drill bit tube 7 are not easy to fall off; and when the piston block 93 slides down the piston, the sample can be rapidly pushed down.
In the above embodiment, the upper side of the base 2 is provided with the movable slot 22 and the sampling through hole 23 communicated with the road surface, the movable slot 22 is positioned below the jack 4 and the drill bit pipe 7, the drill bit pipe 7 can penetrate through the sampling through hole 23 to drill and sample the road surface when moving downwards, the sampling through hole 23 is arranged at the lower side of the movable slot 22 and correspondingly under the drill bit pipe 7, the two sides of the movable slot 22 are respectively provided with the sliding guide rods 24, the two sides of the bottom of the placing slide block 3 are in sliding connection with the sliding guide rods 24, and the placing slide block 3 can stably slide on the base 2 under the double guiding actions of the movable slot 22 and the sliding guide rods 24; and the linear tooth row 26 is fixedly arranged on one side of the movable groove 22, the sliding motor 27 is arranged on one side of the placing sliding block 3, the walking gear 28 is arranged at the shaft end of the sliding motor 27, the sliding motor 28 is meshed with the linear tooth row 26 for transmission, and the sliding motor 27 drives the walking gear 28 to rotate, so that the walking gear 28 can move along the walking gear 28 in a meshed manner, and the placing sliding block 3 can slide left and right in the movable groove 22.
On the basis of the technical scheme, the movable grooves 22 on two sides of the sampling through hole 23 are respectively provided with an inclined guide slope 25, the inclined guide slopes 25 incline downwards towards one side of the sampling through hole 23, and the inclined guide slopes 25 are arranged below the placing slide block 3, so that the residual cooling water on the sample part of the placing slide block 3 can flow to the sampling through hole 23 directly through the inclined guide slopes 25 and be discharged, and the dryness of the equipment is maintained;
In this embodiment, in order to realize stable lifting of the drill pipe 7 rotatably mounted on the mounting box 8 and stable sample taking and placing by matching with the piston assembly 9, two sides of the mounting box 8 are respectively integrally provided with embedded protruding blocks 81, two sides of the inside of the mounting frame 60 are respectively provided with inner lifting grooves 61, two sides of the mounting box 8 are respectively integrally provided with embedded protruding blocks 81, two embedded protruding blocks 81 are respectively movably embedded into the inner sides of the inner lifting grooves 61, so that the mounting box 8 can stably move up and down in the inner lifting grooves 61, a screw 62 and a slide bar 63 are vertically mounted in the inner lifting grooves 61, the lifting stability is further ensured, the screw 62 and the slide bar 63 are respectively penetrated by the embedded protruding blocks 81, the screw 62 is in threaded connection with the embedded protruding blocks 81, the top of the mounting frame 60 is provided with a lifting motor 64 for driving the screw 62, the screw 62 is driven to lift by the lifting motor 64, the screw 62 is enabled to be in threaded driving the embedded protruding blocks 81, the lifting precision is high, and the mounting box 8 is not easy to fall down directly; and when piston block 93 slides down the piston under the action of telescopic link 91, the sample is pushed out downwards, and bit tube 7 rises along with the progressive upward of install bin 8 this moment for the sample shows gradually on placing slider 3, and it is more stable to place the sample like this.
On the basis of the technical scheme, the air inlet groove 65 and the air outlet groove 66 are respectively formed in two sides of the bottom of the top of the mounting frame plate 60, the connecting air pipe 67 is arranged in the middle of the mounting frame plate 60 and used for communicating the air inlet groove 65 with the air outlet groove 66, the fan 68 is arranged on the inner side of the connecting air pipe 67, the air inlet groove 65 and the air outlet groove 66 are both positioned above the base 2, wherein the air inlet groove 65 is arranged above the moving path of the placing slide block 3, namely above the movable groove 22, the fan 68 blows to one side of the air outlet groove 66, and when the placing slide block 3 passes through the air outlet groove 66, the air flow speed on the placing slide block 3 can be improved, so that the air drying of the surface of a sample on the placing slide block 3 is facilitated; furthermore, the dust filter plate is arranged at the inner side of the air inlet groove 65, the air inlet groove 65 has the negative pressure dust collection effect, and dust can be filtered by arranging the dust filter plate, so that the influence of the dust is reduced; and a heating rod can be arranged on the inner side of the air outlet groove 66; the air outlet groove 66 blows hot air, the higher the temperature is, the faster the evaporation of water is, the drying speed of the surface of a sample on which the sliding block 3 is placed can be improved, the water on the inclined guide slope 25 is dried, and the use effect and efficiency of the equipment are improved;
In order to realize the rotation drilling road surface of drill bit pipe 7, the drive assembly is including installing at the inboard rotation motor 82 of installation case 8 to and install at the epaxial driving gear 83 of rotation motor 82 pivot, the inboard cover of drill bit pipe 7 is equipped with driven gear 84, driving gear 83 and driven gear 84 meshing transmission, drive driving gear 83 meshing driven gear 84 through rotation motor 82, driven gear 84 drives drill bit pipe 7 and rotates at installation case 8 to the lift of cooperation installation case 8 and the play water and the barometric pressure effect of piston assembly 9 have improved the result of use of drill bit pipe 7 greatly.
The invention also comprises a concrete application method for the pavement compaction quality detection equipment, which comprises the following steps: the drill core sampling device 6 of the sampling construction area b is used for drilling a road surface, a sample is placed into the placement slide block 3, the jack 4 which is conveyed to the pressure application test area a by the placement slide block 3 is used for directly applying pressure to detect, in particular, when the drill core sampling device 6 is used, the driving gear 83 is driven by the rotating motor 82 to mesh with the driven gear 84, the driven gear 84 drives the drill bit pipe 7 to rotate in the mounting box 8, the drill bit pipe 7 rotates at a high speed, at the moment, the lifting motor 64 drives the screw 62, the screw 62 is driven by the screw drive embedded lug 81 to displace downwards, the mounting box 8 descends in the mounting box 60, the drill bit pipe 7 gradually drills the road surface, the road surface sample is clamped into the drill bit pipe 7 during drilling, in the continuous downwards drilling process, the cooling water is conveyed to the fixed water pipe 97 by the water pump in the water tank 98, the fixed water pipe 97 is conveyed to the corresponding electric control valve 94 by the rubber hose 95, at the moment, the electric control valve 94 of the water path is opened, the cooling water enters the drill bit pipe 7, and the drill bit pipe 7 is cooled and dust is settled at the same time of the road surface; after drilling is finished, the mounting box 8 is moved upwards, because a closed cavity is formed between the piston block 93 and a sample in the drill bit pipe 7, at the moment, the waterway electric control valve 94 is closed, the waterway electric control valve 94 is opened, the air pipe 96 and the rubber hose 95 and the electric control valve 94 which are correspondingly connected are sequentially acted on by utilizing the air suction effect of the air pump 99, so that the air hole 932 of the piston block 93 generates negative pressure, the drill bit pipe 7 is further pumped to generate negative pressure, and the piston block 93 is pulled upwards to pump the air by matching with the telescopic rod 91, so that a larger negative pressure effect is generated in the drill bit pipe 7, and the sample is adsorbed in the drill bit pipe 7 more stably; then, the drill bit tube 7 is upwardly displaced to a certain height along with the mounting box 8, the placing slide block 3 slides to the right lower part of the drill bit tube 7, at the moment, the air pump 99 and the electric control valve 94 of the air channel are in a tight state, the telescopic rod 91 downwardly pushes the piston block 93, the sample in the drill bit tube 7 is stably pushed out to the placing slide block 3 by utilizing air pressure, the drill bit tube 7 slowly rises along with the pushing out of the sample and is completely separated from the sample, the sample at the moment is directly subjected to pressure detection through the jack 4 which is conveyed to the pressure application test area a by the placing slide block 3 until the sample is broken, and the load and strength data of the pressure applied by the jack 4 are displayed on a display screen of the PLC control system c; during conveying of the placing slide block 3, the air inlet grooves 65 and the air outlet grooves 66 are formed in the two sides of the bottom of the mounting box 8, so that the air flow speed on the placing slide block 3 can be improved, and the electric heating rods are arranged in the air outlet grooves 66, hot air can be blown out, so that a sample conveyed by the placing slide block 3 can be dried, the placing slide block 3 stably slides on the base 2 under the guiding action of the movable grooves 22 and the sliding guide rods 24, and the inclined guide slopes 25 are formed in the two sides of the sampling through hole 23, so that residual water of a sample part can be directly guided out of the inclined guide slopes 25 to the outside of the sampling through hole 23, and can be dried under the action of hot air.
It should be noted that, the device for detecting the compacting quality of the road surface according to the present invention is mainly an improvement of the above-mentioned structure, and the functions, components and structures not mentioned can be implemented by components and structures capable of implementing the corresponding functions in the prior art.
The present invention has been described in detail by way of specific examples, but these should not be construed as limiting the invention. Many variations and modifications may be made by one skilled in the art without departing from the principles of the invention, which is also considered to be within the scope of the invention.
Claims (10)
1. A pavement compaction quality inspection apparatus, characterized by: the device comprises a machine body (1), a pressing test area (a) and a sampling construction area (b) which are adjacently arranged at the left side and the right side of the machine body (1), and a PLC control system (c) which is arranged at the front side of the machine body (1) and used for controlling the electrical components of the whole device;
The bottom of the machine body (1) is integrally provided with a base (2), and the base (2) is provided with a placing sliding block (3) capable of sliding in a pressure test area (a) and a sampling construction area (b) and used for conveying samples in the sampling construction area (b) to the pressure test area (a) for pressure detection;
The pressure application test area (a) comprises a jack (4) arranged at the top of the machine body (1);
The drill core sampling device (6) is arranged in the sampling construction area (b), the drill core sampling device (6) comprises a mounting frame plate (60), a mounting box (8) arranged in the middle of the mounting frame plate (60) in a lifting mode, and a drill bit pipe (7) rotatably arranged on the lower side of the mounting box (8), and a transmission assembly used for driving the drill bit pipe (7) to rotate is arranged on the inner side of the mounting box (8);
a piston assembly (9) is arranged on the upper side of the mounting box (8), and the piston assembly (9) can move on the inner side of the drill bit pipe (7);
The piston assembly (9) comprises a telescopic rod (91) arranged at the top of the mounting box (8) and a connecting push plate (92) arranged at the telescopic end of the telescopic rod (91) and adapted to the inner diameter of the drill bit pipe (7), a piston block (93) is fixedly arranged at the bottom of the connecting push plate (92), and the piston block (93) can be closely attached to the inner wall of the drill bit pipe (7) to perform lifting movement;
Electric control valves (94) are respectively embedded and installed at two sides of the connecting push plate (92), water holes (931) and air holes (932) are vertically formed at two sides of the piston block (93), and the bottom ends of the two electric control valves (94) are respectively connected with the water holes (931) and the air holes (932);
The top of the mounting box (8) is fixedly provided with a fixed air pipe (96) and a fixed water pipe (97), the top of the machine body (1) is provided with a water tank (98) and an air pump (99), the top end of the fixed air pipe (96) is connected with the air pump (99) through an air pipe, and the fixed water pipe (97) is connected with a water pump in the water tank (98) through a water pipe;
the top ends of the two electric control valves (94) are respectively connected with rubber hoses (95) and are respectively communicated with a fixed air pipe (96) and a fixed water pipe (97) through the two rubber hoses (95).
2. A pavement compaction quality inspection apparatus according to claim 1, wherein: the utility model discloses a portable drill bit, including base (2) and fixed slider (3), movable groove (22) have been seted up to base (2) upside and sample opening (23) to the road surface, movable groove (22) are located jack (4) and drill bit pipe (7) below, sample opening (23) are located movable groove (22) downside to correspond under drill bit pipe (7), movable groove (22) both sides are provided with slip guide arm (24) respectively, place slider (3) bottom both sides and slip guide arm (24) sliding connection, movable groove (22) one side fixed mounting has sharp tooth row (26), place slider (3) one side and install sliding motor (27), walking gear (28) are installed to this sliding motor (27) axle head to through walking gear (28) and sharp tooth row (26) meshing transmission.
3. A pavement compaction quality inspection apparatus according to claim 2, wherein: the movable grooves (22) on two sides of the sampling through hole (23) are respectively provided with an inclined guide slope (25), the inclined guide slopes (25) incline downwards towards one side of the sampling through hole (23), and the inclined guide slopes (25) are arranged below the placing sliding block (3).
4. A pavement compaction quality inspection apparatus according to claim 1, wherein: the utility model discloses a lifting device for the electric vehicle is characterized in that embedded lugs (81) are integrally arranged on two sides of an installation box (8), inner lifting grooves (61) are respectively formed in two sides of the inside of an installation frame plate (60), the embedded lugs (81) are integrally arranged on two sides of the installation box (8), the embedded lugs (81) are movably embedded into the inner sides of the inner lifting grooves (61) respectively, a screw rod (62) and a sliding rod (63) are vertically arranged in the inner lifting grooves (61), the screw rod (62) and the sliding rod (63) are respectively penetrated by the embedded lugs (81), the screw rod (62) is in threaded connection with the embedded lugs (81), and a lifting motor (64) for driving the screw rod (62) is arranged at the top of the installation frame plate (60).
5. A pavement compaction quality inspection apparatus according to claim 1 or 4, wherein: air inlet grooves (65) and air outlet grooves (66) are respectively formed in two sides of the top and the bottom of the mounting frame plate (60), a connecting air pipe (67) is mounted in the middle of the mounting frame plate (60) and used for communicating the air inlet grooves (65) and the air outlet grooves (66), and a fan (68) is mounted on the inner side of the connecting air pipe (67).
6. A pavement compaction quality inspection apparatus according to claim 5, wherein: the air inlet groove (65) and the air outlet groove (66) are both positioned above the base (2), wherein the air inlet groove (65) is arranged above the movable path of the placing slide block (3).
7. A pavement compaction quality inspection apparatus according to claim 1, wherein: the dust filter plate is arranged on the inner side of the air inlet groove (65), and the heating rod is arranged on the inner side of the air outlet groove (66).
8. A pavement compaction quality inspection apparatus according to claim 1, wherein: the transmission assembly comprises a rotating motor (82) arranged on the inner side of the mounting box (8) and a driving gear (83) arranged on the rotating shaft of the rotating motor (82), a driven gear (84) is sleeved on the inner side of the drill bit pipe (7), and the driving gear (83) is meshed with the driven gear (84) for transmission.
9. A pavement compaction quality inspection apparatus according to claim 1, wherein: the front box plate and the rear box plate of the installation box (8) are locked through screws.
10. A method of using a pavement compaction quality inspection apparatus according to any one of claims 1-9, wherein: drilling the pavement through a drill core sampling device (6) in a sampling construction area (b), putting a sample into a placing sliding block (3), directly pressing and detecting by a jack (4) in the pressing test area (a) conveyed by the placing sliding block (3), specifically, when the drill core sampling device (6) is used, rotating at a high speed by a drill bit pipe (7), descending along with a mounting box (8) in a mounting frame plate (60), enabling the drill bit pipe (7) to drill the pavement, clamping the pavement sample into the drill bit pipe (7) during drilling, conveying cooling water to a fixed water pipe (97) through a water pump in a water tank (98) in a continuously downward drilling process, conveying the water to a corresponding electric control valve (94) through a rubber hose (95), opening the electric control valve (94) of the water path at the moment, enabling the cooling water to enter the drill bit pipe (7), and cooling the drill bit pipe (7) and settling dust at the same time of drilling the pavement;
After drilling is finished, the mounting box (8) is moved upwards, as a closed cavity is formed between the piston block (93) and the sample in the drill bit pipe (7), at the moment, the waterway electric control valve (94) is closed, the waterway electric control valve (94) is opened, the air pump (99) is utilized to suck air, the fixed air pipe (96) and the rubber hose (95) and the electric control valve (94) which are correspondingly connected are sequentially acted, so that the air hole (932) of the piston block (93) generates negative pressure, the drill bit pipe (7) is further sucked to generate negative pressure, and the piston block (93) is pulled upwards to suck air by matching with the telescopic rod (91), so that a larger negative pressure effect is generated in the drill bit pipe (7), and the sample is adsorbed in the drill bit pipe (7) more stably;
Then, the drill bit tube (7) is upwards displaced to a certain height along with the mounting box (8), the placing slide block (3) slides to the position right below the drill bit tube (7), at the moment, the air pump (99) and the electric control valve (94) of the air channel are in a tight state, the telescopic rod (91) pushes the piston block (93) downwards, the sample in the drill bit tube (7) is pushed out onto the placing slide block (3) by utilizing air pressure stability, the drill bit tube (7) slowly rises along with the pushing of the sample and is completely separated from the sample, the sample at the moment is conveyed to the jack (4) of the pressing test area (a) through the placing slide block (3) to directly perform pressing detection until the sample is broken, and the load and strength data pressed by the jack (4) are displayed on a display screen of the PLC control system (c);
During conveying of the placing slide block (3), due to the fact that the air inlet grooves (65) and the air outlet grooves (66) are formed in the two sides of the bottom of the mounting box (8), the air flow speed on the placing slide block (3) can be improved, the electric heating rods are arranged in the air outlet grooves (66), hot air can be blown out, samples conveyed by the placing slide block (3) can be dried, the placing slide block (3) stably slides on the base (2) under the guiding action of the movable grooves (22) and the sliding guide rods (24), and moreover, the inclined guide slopes (25) are formed in the two sides of the sampling through holes (23), so that residual water of the sample part can be directly guided out to the sampling through holes (23) through the inclined guide slopes (25), and the samples can be dried under the action of the hot air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410309263.4A CN117907022A (en) | 2024-03-19 | 2024-03-19 | Pavement compaction quality detection equipment and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410309263.4A CN117907022A (en) | 2024-03-19 | 2024-03-19 | Pavement compaction quality detection equipment and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117907022A true CN117907022A (en) | 2024-04-19 |
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ID=90697160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410309263.4A Pending CN117907022A (en) | 2024-03-19 | 2024-03-19 | Pavement compaction quality detection equipment and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117907022A (en) |
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2024
- 2024-03-19 CN CN202410309263.4A patent/CN117907022A/en active Pending
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