CN114814183A - Quick nondestructive test device of bituminous paving compactness - Google Patents
Quick nondestructive test device of bituminous paving compactness Download PDFInfo
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- CN114814183A CN114814183A CN202210594482.2A CN202210594482A CN114814183A CN 114814183 A CN114814183 A CN 114814183A CN 202210594482 A CN202210594482 A CN 202210594482A CN 114814183 A CN114814183 A CN 114814183A
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- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 239000010426 asphalt Substances 0.000 claims abstract description 16
- 238000005056 compaction Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000001816 cooling Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 18
- 239000000498 cooling water Substances 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/42—Road-making materials
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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Abstract
The invention discloses a rapid nondestructive testing device for the compaction degree of an asphalt pavement, which specifically comprises the following components: the device comprises a device shell and a connecting support, wherein the device shell is of a cylindrical structure, the connecting support is arranged at the top of the device shell, a connecting piece is arranged on the outer side of the connecting support, a protection device is arranged in the device shell, and a heat dissipation device is arranged on the outer side of the protection device; the fixing support is of a rectangular structure, the fixing sleeve is arranged at one end of the fixing support, and one end, far away from the fixing sleeve, of the fixing support is fixedly connected with the inner wall of the device shell; the invention relates to the technical field of road construction, in particular to a first piston cylinder which is provided with a piston cylinder body and a second piston cylinder arranged at the top of the first piston cylinder. This quick nondestructive test device of bituminous paving compactness can in time protect the detection sensor, avoids the barrier direct extrusion to the detection sensor, can avoid the sensor to receive wearing and tearing.
Description
Technical Field
The invention relates to the technical field of highway construction, in particular to a rapid nondestructive testing device for the compaction degree of an asphalt pavement.
Background
In recent years, the highway mileage of China is increased year by year, wherein, with the continuous progress and development of economy and science and technology of China, engineering machinery replaces the traditional manpower gradually in the process of highway construction, for example, in the process of paving, construction workers can use a highway roller to compact asphalt concrete and then form a pavement, the asphalt mixture used by the highway pavement is formed by mixing asphalt and aggregate according to the weight proportion and heating and stirring, and the pavement compactness is one of the most important indexes of engineering quality control and maintenance. The magnitude of the degree of compaction directly affects the heat resistance, crack resistance, skid resistance, durability, and permeability of the concrete.
For example, chinese patent CN114252335A proposes a real-time detection device for road surface compactness, which includes a base, a rotation mechanism, a support mechanism and a detection mechanism; the rotating mechanism comprises a sliding supporting seat connected with the base, one end of the sliding supporting seat, which is far away from the base, is rotatably connected with a plurality of rotating plates, and a synchronizing assembly is arranged among the rotating plates; the detection mechanism comprises a displacement sensor arranged at the end part of the base, and a telescopic rod of the displacement sensor is connected with a guide wheel matched with the rotating plate; the supporting mechanism is arranged at one end, far away from the detection mechanism, of the rotating plate and comprises a jacking assembly fixedly connected with the rotating plate, and one side, close to the ground, of the jacking assembly is provided with a supporting wheel. The invention is suitable for a real-time detection device for road pavement compactness, and the whole device can be mounted in a vehicle-mounted mode, so that the detection can be carried out in real time when a vehicle moves, and the detection efficiency is improved.
The existing device can not protect the detection sensor in time, the obstacle is easily and directly extruded to the detection sensor, so that the sensor is damaged, the purpose of cooling the detection sensor can not be realized, and the internal elements of the detection sensor generate heat when continuously working to influence the detection work.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rapid nondestructive testing device for the compaction degree of an asphalt pavement, which solves the problem that the existing device cannot protect a detection sensor in time, and a barrier is easy to directly extrude to the detection sensor, so that the sensor is damaged, realizes the purpose of cooling the detection sensor, and can prevent the internal elements of the detection sensor from generating heat when continuously working to influence the detection work.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a quick nondestructive test device of bituminous paving compactness, specifically includes:
the device comprises a device shell and a connecting support, wherein the device shell is of a cylindrical structure, the connecting support is arranged at the top of the device shell, a connecting piece is arranged on the outer side of the connecting support, a protection device is arranged in the device shell, and a heat dissipation device is arranged on the outer side of the protection device;
the fixing support is of a rectangular structure, the fixing sleeve is arranged at one end of the fixing support, and one end, far away from the fixing sleeve, of the fixing support is fixedly connected with the inner wall of the device shell;
the first piston cylinder is provided with a piston cylinder body and a second piston cylinder arranged at the top of the first piston cylinder, and the first piston cylinder is arranged in the fixed sleeve and is fixedly connected with the fixed sleeve;
the protection device includes:
the pushing block is provided with an arc-shaped structure, the placing cylinder is arranged at the top of the pushing block, a placing hole is formed in the pushing block, the top of the placing cylinder is fixedly connected with a movable piston, and the movable piston is arranged in the first piston cylinder and is in sliding connection with the first piston cylinder;
the supporting top plate is provided with a cross structure, and a piston with a rod is arranged at the bottom of the supporting top plate, the piston with the rod is arranged in the second piston cylinder and is in sliding connection with the second piston cylinder, and a return spring is arranged between the bottom of the supporting top plate and the fixed sleeve;
the movable column is provided with a column body and a bearing plate arranged at the bottom of the movable column, the bottom of the bearing plate is uniformly provided with detection sensors, and the top of the movable column is fixedly connected with the center of the bottom of the supporting top plate.
When meetting barrier or unevenness's road surface in the detection vehicle walking process, barrier extrusion ejector pad, because the bottom of ejector pad receives the extrusion, the ejector pad drives and places a section of thick bamboo rebound, drive the inside hydraulic oil of first piston cylinder of removal piston extrusion when placing a section of thick bamboo removal, hydraulic pressure promotes the smooth on the inside area pole piston of second piston cylinder, the area pole piston of going up slides through removing post pulling detection sensor, will detect the sensor and draw back to placing a section of thick bamboo from placing the hole, can in time protect detection sensor, avoid the barrier to directly extrude detection sensor, can avoid the sensor to receive wearing and tearing.
Preferably, the first piston cylinder is communicated with the second piston cylinder, the diameter of the first piston cylinder is larger than that of the second piston cylinder, and the placing hole is communicated with the placing cylinder.
Preferably, the area pole piston is provided with the multiunit and all with roof support fixed connection, reset spring is provided with multiunit and cover and establishes in the outside of first piston cylinder, when the barrier is no longer extrudeed the ejector pad, and reset spring no longer receives tensile, will support the roof through its self resilience force and pull back to initial position, and hydraulic pressure drives and removes the piston and removes, and detection sensor stretches out from placing the hole again this moment, and the resilience force of usable reset spring drives the device automatic re-setting with hydraulic effect, has improved the degree of automation of this device, the inside packing of first piston cylinder has hydraulic oil.
Preferably, the heat dissipation device comprises a water storage frame, the inner wall of the water storage frame is uniformly communicated with a connecting pipe, one end of the connecting pipe, which is far away from the water storage frame, is communicated with an annular radiating pipe, the inner wall of the annular radiating pipe is provided with a heat conducting plate, one end of the heat conducting plate, which is far away from the annular radiating pipe, is fixedly connected with a heat conducting sleeve, the heat conducting sleeve is sleeved outside the detection sensor and is in sliding connection with the detection sensor, a drain pipe penetrates through the bottom of the water storage frame, a spray head is installed at the bottom of the drain pipe, a regulation and control device is installed at the position, which is located inside the water storage frame, of the top of the drain pipe, cooling water inside the water storage frame enters the annular radiating pipe from the connecting pipe by utilizing the heat exchange effect, the low temperature of the cooling water is transmitted to the heat conducting sleeve through the heat conducting plate, and the heat conducting sleeve transmits the low temperature to the surface of the detection sensor, so as to realize the purpose of cooling the detection sensor, the heat generated by the internal elements of the detection sensor during continuous operation can be prevented from influencing the detection operation.
Preferably, the bottom of retaining frame and the top fixed connection of ejector pad, the retaining frame cover is established in the outside of placing a section of thick bamboo, annular cooling tube is provided with the multiunit.
Preferably, one end of the connecting pipe, which is close to the annular radiating pipe, penetrates through the placing barrel, and the annular radiating pipe is located inside the placing barrel.
Preferably, the control device comprises an expansion sleeve, an annular heat conducting strip penetrates through the inner wall of the expansion sleeve, a sealing piston is connected to the inner wall of the expansion sleeve in a sliding manner, a sliding rod is fixedly connected to one side of the sealing piston, the sliding rod penetrates through the expansion sleeve and extends into the drain pipe and is fixedly connected with a sealing plug, a water inlet is formed in one end, close to the expansion sleeve, of the inner wall of the drain pipe, due to heat exchange, high temperature on the surface of the detection sensor is also transmitted into the annular radiating pipe from the heat conducting plate, when the water temperature in the water storage frame rises due to the influence of the high temperature of the detection sensor, the annular heat conducting strip transmits the water temperature into the expansion sleeve, as the expansion sleeve is filled with a thermal expansion medium, the medium pushes the sealing piston after being heated and expanded, the sealing plug is pulled by the sliding rod to be outwards pumped from the drain pipe, water in the retaining frame gets into in the drain pipe from the water inlet at this moment and spouts to the device outside by the shower nozzle again, the higher water of discharge temperature in time prevents that the water of higher temperature from continuing to carry out the heat exchange with detecting the sensor to can utilize the discharged water to carry out the dust fall to being detected the road surface, improve the device's practicality.
Preferably, one end of the expansion sleeve is fixedly connected with one end of the drain pipe, and a plurality of groups of water inlets are arranged.
The invention provides a rapid nondestructive testing device for the compaction degree of an asphalt pavement. The method has the following beneficial effects:
1. this quick nondestructive test device of bituminous paving compactness, setting through protection device, when detecting vehicle walking in-process and meetting barrier or unevenness's road surface, barrier extrusion ejector pad, because the bottom of ejector pad receives the extrusion, the ejector pad drives places a section of thick bamboo rebound, drive the inside hydraulic oil of first piston cylinder of removal piston extrusion when placing a section of thick bamboo removal, hydraulic pressure promotes the inside area pole piston of second piston cylinder and goes up the slide, the area pole piston of going up is through removing the post pulling detection sensor, pull back the detection sensor from placing the hole and place in the section of thick bamboo, can in time protect the detection sensor, avoid the barrier directly to extrude the detection sensor, can avoid the sensor to receive wearing and tearing.
2. This quick nondestructive test device of bituminous paving compactness, through reset spring's setting, when the barrier is no longer extrudeed the ejector pad, reset spring no longer receives tensile, will support the roof through the resilience force of its self and pull back to initial position, and hydraulic pressure drives the removal piston and removes, and detection sensor stretches out from placing the hole again this moment, and usable reset spring's resilience force and hydraulic effect drive the device automatic re-setting, have improved the degree of automation of device.
3. This quick nondestructive test device of bituminous paving compactness, installation through heat abstractor, utilize the heat exchange effect to utilize the inside cooling water of retaining frame to get into annular radiator pipe from the connecting pipe in, the low temperature of cooling water is transmitted to the heat-conducting sleeve through the heat-conducting plate on, and the heat-conducting sleeve then transmits the surface to detecting sensor with low temperature, realizes carrying out the purpose of cooling to detecting sensor, can prevent to detect sensor inner member and produce the heat and influence detection achievement when lasting the during operation.
4. The device for quickly and nondestructively detecting the compaction degree of the asphalt pavement has the advantages that through the installation of the regulating device and the heat dissipation device, due to the heat exchange, the high temperature on the surface of the detection sensor is also transferred from the heat conducting plate to the interior of the annular heat radiating pipe, when the water temperature in the water storage frame rises under the influence of the high temperature of the detection sensor, the annular heat conduction sheet transfers the water temperature to the inside of the expansion sleeve, because the expansion sleeve is filled with thermal expansion medium, the medium pushes the sealing piston after being heated and expanded, the sealing piston pulls the sealing plug through the sliding rod to draw the sealing plug outwards from the drainage pipe, at the moment, the water in the water storage frame enters the drainage pipe from the water inlet and then is sprayed to the outside of the device through the spray head, can discharge water with higher temperature in time, prevent the water with higher temperature from continuously exchanging heat with the detection sensor, and the discharged water can be utilized to carry out dust fall on the detected road surface, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the internal structure of the housing of the apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the protection device of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the heat dissipation device of the present invention;
FIG. 5 is a schematic structural diagram of a control device according to the present invention;
FIG. 6 is a schematic view of the internal structure of the regulating device of the present invention.
In the figure: 1. a device housing; 2. connecting a bracket; 3. fixing a bracket; 4. fixing the sleeve; 5. a first piston cylinder; 6. a second piston cylinder; 7. a protection device; 71. a push block; 72. placing the cylinder; 73. placing holes; 74. supporting a top plate; 75. a piston with a rod; 76. moving the column; 77. a bearing plate; 78. a detection sensor; 79. moving the piston; 710. a return spring; 8. a heat sink; 81. a water storage frame; 82. a connecting pipe; 83. an annular radiating pipe; 84. a heat conducting plate; 85. a thermally conductive sleeve; 86. a drain pipe; 87. a spray head; 88. a regulating device; 881. an expansion sleeve; 882. an annular heat conducting fin; 883. a sealing piston; 884. a slide bar; 885. sealing the plug; 886. a water inlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a quick nondestructive test device of bituminous paving compactness, specifically includes:
the device comprises a device shell 1, a connecting support 2 and a heat dissipation device 8, wherein the device shell 1 is of a cylindrical structure, the connecting support 2 is arranged at the top of the device shell 1, a connecting piece is arranged on the outer side of the connecting support 2, the protection device 7 is arranged inside the device shell 1, and the heat dissipation device 8 is arranged on the outer side of the protection device 7;
the fixing support 3 is of a rectangular structure, the fixing sleeve 4 is arranged at one end of the fixing support 3, and one end, far away from the fixing sleeve 4, of the fixing support 3 is fixedly connected with the inner wall of the device shell 1;
the first piston cylinder 5 is provided with a piston cylinder body, and a second piston cylinder 6 arranged at the top of the first piston cylinder 5, and the first piston cylinder 5 is arranged in the fixed sleeve 4 and fixedly connected with the fixed sleeve 4;
the protection device 7 includes:
the pushing block 71 is provided with an arc-shaped structure, the placing cylinder 72 is arranged at the top of the pushing block 71, a placing hole 73 is formed in the pushing block 71, the top of the placing cylinder 72 is fixedly connected with a movable piston 79, and the movable piston 79 is arranged in the first piston cylinder 5 and is in sliding connection with the first piston cylinder 5;
a supporting top plate 74, the supporting top plate 74 having a cross-shaped structure, and a rod-equipped piston 75 disposed at the bottom of the supporting top plate 74, the rod-equipped piston 75 being disposed inside the second piston cylinder 6 and slidably connected to the second piston cylinder 6, and a return spring 710 being disposed between the bottom of the supporting top plate 74 and the fixed sleeve 4;
and the movable column 76 is provided with a column body and a bearing plate 77 arranged at the bottom of the movable column 76, the bottom of the bearing plate 77 is uniformly provided with a detection sensor 78, and the top of the movable column 76 is fixedly connected with the center of the bottom of the supporting top plate 74.
The first piston cylinder 5 communicates with the second piston cylinder 6, the diameter of the first piston cylinder 5 is larger than that of the second piston cylinder 6, and the placement hole 73 communicates with the placement cylinder 72.
The pistons 75 with rods are provided with multiple groups and are all fixedly connected with the supporting top plate 74, the reset springs 710 are provided with multiple groups and are sleeved on the outer side of the first piston cylinder 5, and hydraulic oil is filled in the first piston cylinder 5.
When the device is used, the device shell 1 is installed at the bottom of a detection vehicle through the connecting support 2, the detection sensor 78 is used for detecting the compaction degree of the asphalt pavement, when the detection vehicle encounters an obstacle or an uneven pavement in the walking process, the obstacle extrudes the push block 71, because the bottom of the push block 71 is extruded, the push block 71 drives the placing cylinder 72 to move upwards, the placing cylinder 72 drives the moving piston 79 to extrude hydraulic oil in the first piston cylinder 5 while moving, the rod-carrying piston 75 in the second piston cylinder 6 is hydraulically pushed to slide upwards, the upward sliding rod-carrying piston 75 pulls the detection sensor 78 through the moving column 76, the detection sensor 78 is pulled back into the placing cylinder 72 from the placing hole 73, the detection sensor can be timely protected, the obstacle is prevented from being directly extruded to the detection sensor, the sensor can be prevented from being worn, when the obstacle does not extrude the push block 71 any more, reset spring 710 no longer receives tensile, will support the roof 74 through its self resilience force and pull back to initial position, and hydraulic pressure drives and moves movable piston 79 and removes, and detection sensor 78 stretches out from placing hole 73 again this moment, and usable reset spring's resilience force and hydraulic effect drive the device automatic re-setting, have improved the degree of automation of device.
Example two
Referring to fig. 1-6, the present invention provides a technical solution: on the basis of embodiment one, heat abstractor 8 includes retaining frame 81, the even intercommunication of inner wall of retaining frame 81 has connecting pipe 82, the one end intercommunication that retaining frame 81 was kept away from to connecting pipe 82 has annular cooling tube 83, heat-conducting plate 84 is installed to the inner wall of annular cooling tube 83, heat-conducting plate 84 keeps away from the one end fixedly connected with heat-conducting sleeve 85 of annular cooling tube 83, heat-conducting sleeve 85 cover establish detect the sensor 78 outside and with detect sensor 78 sliding connection, the bottom of retaining frame 81 runs through there is drain pipe 86, shower nozzle 87 is installed to drain pipe 86's bottom, regulation and control device 88 is installed to the position that drain pipe 86's top is located retaining frame 81 inside.
The bottom of the water storage frame 81 is fixedly connected with the top of the push block 71, the water storage frame 81 is sleeved on the outer side of the placing cylinder 72, and a plurality of groups of annular radiating pipes 83 are arranged.
One end of the connection pipe 82 near the circular radiating pipe 83 penetrates the placing cylinder 72, and the circular radiating pipe 83 is located inside the placing cylinder 72.
The control device 88 comprises an expansion sleeve 881, an annular heat conducting fin 882 penetrates through the inner wall of the expansion sleeve 881, a sealing piston 883 is connected to the inner wall of the expansion sleeve 881 in a sliding manner, a sliding rod 884 is fixedly connected to one side of the sealing piston 883, the sliding rod 884 penetrates through the expansion sleeve 881 and extends to the drain pipe 86 and is fixedly connected with a sealing plug 885, and a water inlet 886 is arranged at one end, close to the expansion sleeve 881, of the inner wall of the drain pipe 86.
One end of the collapsible sleeve 881 is fixedly connected with one end of the water discharge pipe 86, and a plurality of groups of water inlets 886 are arranged.
During the use, the inside cooling water of retaining frame 81 gets into annular cooling tube 83 from connecting pipe 82 in, the low temperature of cooling water passes through on heat-conducting plate 84 transmits to heat-conducting sleeve 85, and heat-conducting sleeve 85 then transmits the surface of low temperature to detection sensor 78, installation through heat abstractor 8, utilize the inside cooling water of retaining frame 81 to get into annular cooling tube 83 from connecting pipe 82 in utilizing the heat exchange effect, the low temperature of cooling water passes through on heat-conducting plate 84 transmits to heat-conducting sleeve 85, and heat-conducting sleeve 85 then transmits the surface to detection sensor 78 with low temperature, the realization is to the purpose of lowering the temperature of detecting sensor 78, can prevent to detect sensor 78 internal element production heat and influence the detection work when continuously working.
Because of the heat exchange, the high temperature on the surface of the detection sensor 78 is also transmitted to the inside of the annular radiating pipe 83 from the heat conducting plate 84, when the water temperature inside the water storage frame 81 is influenced by the high temperature of the detection sensor 78 and rises, the annular heat conducting sheet 882 transmits the water temperature to the inside of the expansion sleeve 881, because the expansion sleeve 881 is filled with the thermal expansion medium, the medium pushes the sealing piston 883 after being heated and expanded, the sealing piston 883 pulls the sealing plug 885 through the sliding rod 884, the sealing plug 885 is outwards pulled from the inside of the drain pipe 86, at this moment, the water inside the water storage frame 81 enters the drain pipe 86 from the water inlet 886 and then is sprayed to the outside of the device through the spray head 87, the water with higher temperature can be discharged in time, the water with the higher temperature is prevented from continuing to carry out the heat exchange with the detection sensor, and the detected road surface can be dusted by the discharged water, so that the practicability of the device is improved.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (8)
1. The utility model provides a quick nondestructive test device of bituminous paving compactness, specifically includes:
the device comprises a device shell (1), wherein the device shell (1) is of a cylindrical structure, and a connecting support (2) is arranged at the top of the device shell (1), a connecting piece is arranged on the outer side of the connecting support (2), a protection device (7) is arranged in the device shell (1), and a heat dissipation device (8) is arranged on the outer side of the protection device (7);
the fixing support (3) is of a rectangular structure, the fixing sleeve (4) is arranged at one end of the fixing support (3), and one end, far away from the fixing sleeve (4), of the fixing support (3) is fixedly connected with the inner wall of the device shell (1);
the first piston cylinder (5), the first piston cylinder (5) has a piston cylinder body, and set up the second piston cylinder (6) on the top of the said first piston cylinder (5), the said first piston cylinder (5) is set up in the inside of the fixed sleeve (4) and fixedly connected with fixed sleeve (4);
the rapid nondestructive testing device for the compaction degree of the asphalt pavement is characterized in that: the protection device (7) comprises:
the push block (71), the push block (71) is provided with an arc-shaped structure, and a placing cylinder (72) is arranged at the top of the push block (71), a placing hole (73) is formed in the push block (71), the top of the placing cylinder (72) is fixedly connected with a movable piston (79), and the movable piston (79) is arranged in the first piston cylinder (5) and is in sliding connection with the first piston cylinder (5);
the supporting top plate (74) is of a cross-shaped structure, the piston (75) with the rod is arranged at the bottom of the supporting top plate (74), the piston (75) with the rod is arranged inside the second piston cylinder (6) and is in sliding connection with the second piston cylinder (6), and a return spring (710) is arranged between the bottom of the supporting top plate (74) and the fixing sleeve (4);
the movable column (76) is provided with a column body, the bearing plate (77) is arranged at the bottom of the movable column (76), the bottom of the bearing plate (77) is uniformly provided with detection sensors (78), and the top of the movable column (76) is fixedly connected with the center of the bottom of the supporting top plate (74).
2. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 1, which is characterized in that: the first piston cylinder (5) is communicated with the second piston cylinder (6), the diameter of the first piston cylinder (5) is larger than that of the second piston cylinder (6), and the placing hole (73) is communicated with the placing cylinder (72).
3. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 1, which is characterized in that: the piston (75) with the rod is provided with a plurality of groups and is fixedly connected with the supporting top plate (74), the reset spring (710) is provided with a plurality of groups and is sleeved on the outer side of the first piston cylinder (5), and hydraulic oil is filled in the first piston cylinder (5).
4. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 1, which is characterized in that: heat abstractor (8) is including retaining frame (81), the even intercommunication of inner wall of retaining frame (81) has connecting pipe (82), the one end intercommunication that retaining frame (81) was kept away from in connecting pipe (82) has annular cooling tube (83), heat-conducting plate (84) are installed to the inner wall of annular cooling tube (83), the one end fixedly connected with heat-conducting sleeve (85) of annular cooling tube (83) are kept away from in heat-conducting plate (84), heat-conducting sleeve (85) cover establish in detection sensor (78) the outside and with detection sensor (78) sliding connection, the bottom of retaining frame (81) is run through and is had drain pipe (86), shower nozzle (87) are installed to the bottom of drain pipe (86), regulation and control device (88) are installed to the top that drain pipe (86) is located retaining frame (81) inside position.
5. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 4, which is characterized in that: the bottom of retaining frame (81) and the top fixed connection of ejector pad (71), the outside of placing a section of thick bamboo (72) is established in retaining frame (81) cover, annular cooling tube (83) are provided with the multiunit.
6. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 4, which is characterized in that: one end of the connecting pipe (82) close to the annular radiating pipe (83) penetrates through the placing barrel (72), and the annular radiating pipe (83) is positioned inside the placing barrel (72).
7. The device for rapidly and nondestructively testing the compaction degree of the asphalt pavement according to claim 4, which is characterized in that: regulation and control device (88) are including harmomegathus sleeve (881), the inner wall of harmomegathus sleeve (881) runs through annular heat conduction piece (882), the inner wall sliding connection of harmomegathus sleeve (881) has sealed piston (883), one side fixedly connected with slide bar (884) of sealed piston (883), slide bar (884) run through harmomegathus sleeve (881) and extend to in drain pipe (86) and the sealed end cap (885) of fixedly connected with, water inlet (886) have been seted up to the one end that the inner wall of drain pipe (86) is close to harmomegathus sleeve (881).
8. The rapid nondestructive testing device for the compaction degree of the asphalt pavement according to claim 7, characterized in that: one end of the collapsible sleeve (881) is fixedly connected with one end of the drain pipe (86), and a plurality of groups of water inlets (886) are arranged.
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Effective date of registration: 20240102 Address after: 332000 No. 1, Fuqian Road, Fenglin Town, De'an County, Jiujiang City, Jiangxi Province Patentee after: Jiujiang Xinyue asphalt Co.,Ltd. Address before: 212000 No. 18 Linjiang East Road, Dagang, Zhenjiang New District, Jiangsu Province Patentee before: Jiangsu Xinyue Asphalt Industry Research and Development Co.,Ltd. |