CN114814183B - Rapid nondestructive testing device for compactness of asphalt pavement - Google Patents
Rapid nondestructive testing device for compactness of asphalt pavement Download PDFInfo
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- CN114814183B CN114814183B CN202210594482.2A CN202210594482A CN114814183B CN 114814183 B CN114814183 B CN 114814183B CN 202210594482 A CN202210594482 A CN 202210594482A CN 114814183 B CN114814183 B CN 114814183B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 20
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000004888 barrier function Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000006244 Medium Thermal Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 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
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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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- Microelectronics & Electronic Packaging (AREA)
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Abstract
The invention discloses a rapid nondestructive testing device for compactness of an asphalt pavement, which specifically comprises the following steps: the device comprises a device shell, a connecting support and a heat dissipation device, 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 at the outer side of the connecting support, a protection device is arranged in the device shell, and the heat dissipation device is arranged at the outer side of the protection device; the fixing support is provided with a rectangular structure and a fixing sleeve arranged at one end of the fixing support, and one end of the fixing support, which is far away from the fixing sleeve, is fixedly connected with the inner wall of the device shell; the invention relates to the technical field of highway 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 detecting sensor, avoids the barrier to directly extrude detecting 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 compactness of an asphalt pavement.
Background
In recent years, road mileage in China has been increased year by year, wherein, along with continuous progress and development of economy and science and technology in China, engineering machinery has gradually replaced traditional manual work in the process of road construction, for example, in the process of paving, constructors can compact asphalt concrete by using road rollers and then form a road surface, asphalt mixture used by the road surface is formed by mixing asphalt and aggregate in proportion by weight through heating and stirring, and road surface compactness is one of the most important indexes for engineering quality control and maintenance. The degree of compaction directly affects the heat resistance, crack resistance, slip resistance, durability and permeability of the concrete.
For example, chinese patent CN114252335a proposes a real-time road surface compactness detection device, 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, far away from the base, of the sliding supporting seat is rotationally connected with a plurality of rotating plates, and a synchronous 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 of the rotating plate, far away from the detecting mechanism, and comprises a jacking component fixedly connected with the rotating plate, and a supporting wheel is arranged at one side of the jacking component, close to the ground. The invention is suitable for a real-time road surface compactness detection device, and the whole device can be installed in a vehicle-mounted mode, so that the real-time detection can be carried out when a vehicle moves, and the detection efficiency is improved.
The existing device cannot protect the detection sensor in time, the obstacle is easy to directly extrude the detection sensor, so that the sensor is damaged, the purpose of cooling the detection sensor cannot be achieved, and the internal element of the detection sensor generates heat during continuous operation to influence detection operation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rapid nondestructive testing device for the compactness of an asphalt pavement, which solves the problems that the existing device cannot protect a testing sensor in time, and an obstacle is easy to directly squeeze the testing sensor, so that the sensor is damaged, and the aim of cooling the testing sensor is fulfilled, so that the influence on the testing work caused by heat generated by the continuous operation of internal elements of the testing sensor can be prevented.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a rapid nondestructive testing device for compactness of an asphalt pavement specifically comprises:
the device comprises a device shell, a connecting support and a heat dissipation device, 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 at the outer side of the connecting support, a protection device is arranged in the device shell, and the heat dissipation device is arranged at the outer side of the protection device;
the fixing support is provided with a rectangular structure and a fixing sleeve arranged at one end of the fixing support, and one end of the fixing support, which is far away from the fixing sleeve, 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 is arranged in the fixed sleeve and fixedly connected with the fixed sleeve;
the protection device includes:
the pushing block is provided with an arc-shaped structure and a placement barrel arranged at the top of the pushing block, a placement hole is formed in the pushing block, a movable piston is fixedly connected to the top of the placement barrel, and the movable piston is arranged in the first piston barrel and is in sliding connection with the first piston barrel;
the support top plate is provided with a cross structure and a rod-containing piston arranged at the bottom of the support top plate, the rod-containing piston is arranged in the second piston cylinder and is in sliding connection with the second piston cylinder, and a reset spring is arranged between the bottom of the support 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, detection sensors are uniformly arranged at the bottom of the bearing plate, and the top of the movable column is fixedly connected with the center of the bottom of the supporting top plate.
When the road surface of obstacle or unevenness is met in the detection vehicle walking process, the obstacle extrudes the ejector pad, because the bottom of ejector pad receives the extrusion, the ejector pad drives and places a section of thick bamboo and upwards moves, it moves and drives the hydraulic oil that removes the inside of piston extrusion first piston section of thick bamboo to place a section of thick bamboo, the inside area pole piston of hydraulic pressure promotion second piston section of thick bamboo slides upwards, the area pole piston of upper slide pulls the detection sensor through the spliced pole, will detect the sensor and draw back to place in the section of thick bamboo from placing the hole, can protect in time detection sensor, avoid the obstacle directly to 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 placement hole is communicated with the placement cylinder.
Preferably, the belt rod piston is provided with a plurality of groups and is fixedly connected with the supporting top plate, the reset spring is provided with a plurality of groups and is sleeved on the outer side of the first piston cylinder, when the pushing block is not extruded any more by the obstacle, the reset spring is not stretched any more, the supporting top plate is pulled back to the initial position through the resilience force of the reset spring, the hydraulic drive moving piston moves, the detection sensor stretches out of the placing hole again at the moment, the device is driven to automatically reset by the resilience force and the hydraulic action of the reset spring, the automation degree of the device is improved, and the hydraulic oil is filled in the first piston cylinder.
Preferably, the heat abstractor includes the retaining frame, the inner wall homogeneous communication of retaining frame has the connecting pipe, the one end intercommunication that the retaining frame was kept away from to the connecting pipe has annular cooling tube, the heat-conducting plate is installed to the inner wall of annular cooling tube, the one end fixedly connected with heat-conducting sleeve that annular cooling tube was kept away from to the heat-conducting plate, heat-conducting sleeve cover is established in the sensor outside and with sensor sliding connection, the bottom of retaining frame is run through there is the drain pipe, the shower nozzle is installed to the bottom of drain pipe, regulation and control device is installed to the inside position of retaining frame in top of drain pipe, utilizes the cooling water of retaining frame inside to get into in the annular cooling tube from the connecting pipe by the heat exchange effect, and the low temperature of cooling water passes through the heat-conducting plate and conveys the heat-conducting sleeve on to the surface of detecting the sensor, realizes the purpose of cooling down to detecting the sensor, can prevent to detect sensor inner element during continuous work and produce heat and influence detection work.
Preferably, the bottom of retaining frame and the top fixed connection of ejector pad, the outside at the section of thick bamboo is placed to the retaining frame cover, 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 cylinder, and the annular radiating pipe is located inside the placing cylinder.
Preferably, the regulation and control device includes the collapsible sleeve, the annular heat conducting fin has been run through to collapsible sleeve's inner wall, collapsible sleeve's inner wall sliding connection has sealed piston, one side fixedly connected with sliding rod of sealed piston, the sliding rod runs through collapsible sleeve and extends to the drain pipe in and fixedly connected with sealed end cap, the water inlet has been seted up to the inner wall of drain pipe near collapsible telescopic one end, because heat exchange, the high temperature of detection sensor surface also transmits to annular cooling tube from the heat-conducting plate inside, when the inside temperature of retaining frame receives the high temperature influence of detection sensor and risees, annular heat conducting fin transmits the temperature to collapsible sleeve in, owing to the intussuseption of collapsible sleeve is filled with thermal expansion medium, the sealed piston is outwards drawn sealed end cap to the sealing piston through the sliding rod after the medium thermal expansion, water in the retaining frame from the water inlet outside the drain pipe of getting into again in this moment by the shower nozzle, can in time discharge the higher water of temperature and detect the sensor and carry out the heat exchange, and can utilize the water of the drainage to detect the dust fall in this device, the practicality of this road surface is improved.
Preferably, one end of the collapsible sleeve is fixedly connected with one end of the drain pipe, and the water inlets are provided with a plurality of groups.
The invention provides a rapid nondestructive testing device for compactness of an asphalt pavement. The beneficial effects are as follows:
1. this quick nondestructive test device of bituminous paving compactness, through protection device's setting, when the road surface of meeting barrier or unevenness 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 and upwards move, it drives the hydraulic oil that removes piston extrusion first piston cylinder inside to place a section of thick bamboo removal simultaneously, the inside area pole piston of hydraulic pressure promotion second piston cylinder slides upwards, the area pole piston of upper slide pulls detection sensor through the spliced pole, will detect the sensor and draw back to place in the 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.
2. This quick nondestructive test device of bituminous paving compactness, through reset spring's setting, when the barrier no longer extrudees the ejector pad, reset spring no longer receives the tensile, will support the roof through its self resilience and draw back to initial position, and hydraulic pressure drives and removes the piston and remove, and the sensor that detects again stretches out from placing the hole this moment, and usable reset spring's resilience 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 utilizes the cooling water of retaining frame inside to get into annular cooling tube from the connecting pipe in through heat abstractor's installation, utilizes the heat exchange effect, and the low temperature of cooling water passes through the heat conduction board and transmits to the heat conduction sleeve on, and the heat conduction sleeve then transmits the low temperature to the surface that detects the sensor, realizes the purpose of cooling to detecting the sensor, can prevent to detect the sensor inner element and produce heat and influence detection work when continuously working.
4. This quick nondestructive test device of bituminous paving compactness, through the installation of regulation and control device and heat abstractor, because the heat exchange, detect the high temperature on sensor surface and also transmit to annular cooling tube inside from the heat-conducting plate, when the inside temperature of retaining frame received the high temperature influence of detecting the sensor and risen, annular conducting strip transmits the temperature to in the sleeve that contracts, owing to the intussuseption of the sleeve that contracts that heat is filled with thermal expansion medium, promote the sealing piston after the medium is heated and expanded, the sealing piston passes through the sliding rod pulling sealing plug, outwards pump sealing plug from the drain pipe, water in the retaining frame is got into the drain pipe from the water inlet again in the drain pipe outside by the shower nozzle, can in time discharge the higher water of temperature, prevent that higher temperature water from continuing carrying out the heat exchange with detecting the sensor, and can utilize the water of discharge to carry out dust fall to the road surface that detects, the practicality of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the device of the present invention;
FIG. 3 is a schematic view showing the internal structure of the protection device of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the heat dissipating device according to the present invention;
FIG. 5 is a schematic structural view of a regulating device according to the present invention;
fig. 6 is a schematic diagram of the internal structure of the control device of the present invention.
In the figure: 1. a device housing; 2. a connecting bracket; 3. a fixed bracket; 4. a fixed sleeve; 5. a first piston cylinder; 6. a second piston cylinder; 7. a protection device; 71. a pushing block; 72. placing a cylinder; 73. placing the hole; 74. a supporting top plate; 75. a piston with a rod; 76. a moving 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 conductive plate; 85. a thermally conductive sleeve; 86. a drain pipe; 87. a spray head; 88. a regulating device; 881. a collapsible sleeve; 882. annular heat conducting fin; 883. a sealing piston; 884. a slide bar; 885. sealing the plugs; 886. and a water inlet.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the 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 embodiments were 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 1
Referring to fig. 1-4, the present invention provides a technical solution: a rapid nondestructive testing device for compactness of an asphalt pavement specifically comprises:
a device housing 1, wherein the device housing 1 has a cylindrical structure, and a connecting bracket 2 arranged at the top of the device housing 1, a connecting piece is arranged at the outer side of the connecting bracket 2, a protection device 7 is arranged in the device housing 1, and a heat dissipation device 8 is arranged at the outer side of the protection device 7;
the fixing bracket 3 is provided with a rectangular structure, and a fixing sleeve 4 is arranged at one end of the fixing bracket 3, and one end of the fixing bracket 3 far away from the fixing sleeve 4 is fixedly connected with the inner wall of the device shell 1;
a first piston cylinder 5, the first piston cylinder 5 having a piston cylinder body and a second piston cylinder 6 disposed at the top of the first piston cylinder 5, the first piston cylinder 5 being disposed inside the fixed sleeve 4 and fixedly connected with the fixed sleeve 4;
the protection device 7 includes:
the pushing block 71, the pushing block 71 has an arc structure, and a placing cylinder 72 arranged at the top of the pushing block 71, a placing hole 73 is formed in the pushing block 71, a movable piston 79 is fixedly connected to the top of the placing cylinder 72, 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 support top plate 74, the support top plate 74 having a cross-shaped structure, and a rod-containing piston 75 provided at the bottom of the support top plate 74, the rod-containing piston 75 being provided inside the second piston cylinder 6 and slidably connected to the second piston cylinder 6, a return spring 710 being provided between the bottom of the support top plate 74 and the fixed sleeve 4;
the moving column 76, the moving column 76 has a column body, and a bearing plate 77 disposed at the bottom of the moving column 76, the bottom of the bearing plate 77 is uniformly provided with a detection sensor 78, and the top of the moving column 76 is fixedly connected with the bottom center 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 the diameter 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 a plurality of groups and are fixedly connected with the supporting top plate 74, the return springs 710 are provided with a plurality of groups and are sleeved on the outer side of the first piston cylinder 5, and the interior of the first piston cylinder 5 is filled with hydraulic oil.
When the device is used, the device shell 1 is arranged at the bottom of a detection vehicle through the connecting support 2, the detection sensor 78 is utilized to detect compactness of an asphalt pavement, when the detection vehicle runs on an obstacle or an uneven pavement, the obstacle extrudes the push block 71, the push block 71 drives the placement cylinder 72 to move upwards due to extrusion of the bottom of the push block 71, the placement cylinder 72 moves and drives the movable piston 79 to extrude hydraulic oil in the first piston cylinder 5, the hydraulic pressure pushes the rod-carrying piston 75 in the second piston cylinder 6 to slide upwards, the sliding rod-carrying piston 75 pulls the detection sensor 78 through the movable column 76, the detection sensor 78 is pulled back into the placement cylinder 72 from the placement hole 73, the detection sensor can be protected in time, the obstacle is prevented from being directly extruded to the detection sensor, the sensor is prevented from being worn, when the obstacle does not extrude the push block 71 any more, the reset spring 710 is prevented from being stretched, the support top plate 74 is pulled back to the initial position through self-returning elastic force, the hydraulic pressure drives the movable piston 79 to move, the detection sensor 78 is pulled back from the placement hole 73, the automatic reset spring is driven by the reset spring, and the automatic reset degree is improved.
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 inner wall homogeneous communication 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 annular cooling tube 83's inner wall, heat-conducting plate 84 is kept away from annular cooling tube 83's one end fixedly connected with heat-conducting sleeve 85, heat-conducting sleeve 85 cover is established in the detection sensor 78 outside and with detection sensor 78 sliding connection, the bottom of retaining frame 81 runs through there is drain pipe 86, shower nozzle 87 is installed to the bottom of drain pipe 86, regulation and control device 88 is installed at the position that the top of drain pipe 86 is located retaining frame 81 inside.
The bottom of retaining frame 81 and the top fixed connection of ejector pad 71, retaining frame 81 cover are established in the outside of placing barrel 72, and annular cooling tube 83 is provided with the multiunit.
One end of the connection pipe 82 near the annular radiating pipe 83 penetrates the placement cylinder 72, and the annular radiating pipe 83 is located inside the placement cylinder 72.
The regulating device 88 comprises a collapsible sleeve 881, an annular heat conducting fin 882 penetrates through the inner wall of the collapsible sleeve 881, a sealing piston 883 is slidably connected with the inner wall of the collapsible sleeve 881, a sliding rod 884 is fixedly connected to one side of the sealing piston 883, the sliding rod 884 penetrates through the collapsible sleeve 881 to extend into the drain pipe 86 and is fixedly connected with a sealing plug 885, and a water inlet 886 is formed in one end, close to the collapsible 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 drain pipe 86, and the water inlet 886 is provided with a plurality of groups.
When the device is used, cooling water in the water storage frame 81 enters the annular radiating pipe 83 from the connecting pipe 82, the low temperature of the cooling water is transferred to the heat conducting sleeve 85 through the heat conducting plate 84, the heat conducting sleeve 85 transfers the low temperature to the surface of the detection sensor 78, the heat radiating device 8 is arranged, the cooling water in the water storage frame 81 enters the annular radiating pipe 83 from the connecting pipe 82 by utilizing the heat exchange effect, the low temperature of the cooling water is transferred to the heat conducting sleeve 85 through the heat conducting plate 84, the heat conducting sleeve 85 transfers the low temperature to the surface of the detection sensor 78, the purpose of cooling the detection sensor 78 is achieved, and the influence on the detection work caused by heat generated when the internal elements of the detection sensor 78 continuously work can be prevented.
Because of heat exchange, the high temperature on the surface of the detection sensor 78 is also transferred from the heat conducting plate 84 to the inside of the annular radiating pipe 83, when the water temperature in the water storage frame 81 is influenced by the high temperature of the detection sensor 78 and rises, the annular heat conducting sheet 882 transfers the water temperature to the inside of the expansion sleeve 881, because the expansion sleeve 881 is filled with a thermal expansion medium, the medium is heated and expanded to push the sealing piston 883, the sealing piston 883 pulls the sealing plug 885 through the sliding rod 884, the sealing plug 885 is pumped outwards from the drain pipe 86, at this time, water in the water storage frame 81 enters the drain pipe 86 from the water inlet 886 and is sprayed to the outside of the device through the spray head 87, water with higher temperature can be timely discharged, the water with higher temperature is prevented from continuing to heat exchange with the detection sensor, dust fall can be carried out on the detected road surface by utilizing the discharged water, and the practicability of the device is improved.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (8)
1. A rapid nondestructive testing device for compactness of an asphalt pavement specifically comprises:
the device comprises a device housing (1), wherein the device housing (1) is of a cylindrical structure, and a connecting bracket (2) arranged at the top of the device housing (1), a connecting piece is arranged on the outer side of the connecting bracket (2), a protection device (7) is arranged in the device housing (1), and a heat dissipation device (8) is arranged on the outer side of the protection device (7);
the fixing support (3) is provided with a rectangular structure and a fixing sleeve (4) arranged at one end of the fixing support (3), and one end of the fixing support (3) far away from the fixing sleeve (4) 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), the first piston cylinder (5) is arranged inside the fixed sleeve (4) and is fixedly connected with the fixed sleeve (4), and the first piston cylinder (5) is communicated with the second piston cylinder (6);
the rapid nondestructive testing device for the compactness of the asphalt pavement is characterized in that: the protection device (7) comprises:
the pushing block (71), the pushing block (71) is provided with an arc-shaped structure and a placement cylinder (72) arranged at the top of the pushing block (71), a placement hole (73) is formed in the pushing block (71), the placement hole (73) is communicated with the placement cylinder (72), a movable piston (79) is fixedly connected to the top of the placement cylinder (72), 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 support top plate (74) is provided with a cross structure, and a rod-bearing piston (75) arranged at the bottom of the support top plate (74), wherein the rod-bearing piston (75) 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 support top plate (74) and the fixed sleeve (4);
the movable column (76) is provided with a column body and a bearing plate (77) arranged at the bottom of the movable column (76), detection sensors (78) are uniformly arranged at the bottom of the bearing plate (77), and the top of the movable column (76) is fixedly connected with the central position of the bottom of the supporting top plate (74).
2. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 1, wherein: the diameter of the first piston cylinder (5) is larger than that of the second piston cylinder (6).
3. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 1, wherein: the piston with the rod (75) 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 rapid nondestructive testing device for compactness of asphalt pavement according to claim 1, wherein: the heat dissipation device is characterized in that the heat dissipation device (8) comprises a water storage frame (81), a connecting pipe (82) is evenly communicated with the inner wall of the water storage frame (81), an annular heat dissipation pipe (83) is communicated with one end of the connecting pipe (82) away from the water storage frame (81), a heat conduction plate (84) is installed on the inner wall of the annular heat dissipation pipe (83), a heat conduction sleeve (85) is fixedly connected with one end of the heat conduction plate (84) away from the annular heat dissipation pipe (83), the heat conduction sleeve (85) is sleeved outside the detection sensor (78) and is in sliding connection with the detection sensor (78), a drain pipe (86) penetrates through the bottom of the water storage frame (81), a spray head (87) is installed at the bottom of the drain pipe (86), and a regulating and controlling device (88) is installed at the position of the top of the drain pipe (86) located inside the water storage frame (81).
5. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 4, wherein: the bottom of retaining frame (81) is fixedly connected with the top of ejector pad (71), the outside at a section of thick bamboo (72) is placed in the cover of retaining frame (81), annular cooling tube (83) are provided with the multiunit.
6. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 4, wherein: one end of the connecting pipe (82) close to the annular radiating pipe (83) penetrates through the placing cylinder (72), and the annular radiating pipe (83) is located inside the placing cylinder (72).
7. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 4, wherein: the regulating device (88) comprises a collapsible sleeve (881), an annular heat conducting fin (882) penetrates through the inner wall of the collapsible sleeve (881), a sealing piston (883) is slidably connected with the inner wall of the collapsible sleeve (881), a sliding rod (884) is fixedly connected to one side of the sealing piston (883), the sliding rod (884) penetrates through the collapsible sleeve (881) to extend into a drain pipe (86) and is fixedly connected with a sealing plug (885), and a water inlet (886) is formed in one end, close to the collapsible sleeve (881), of the inner wall of the drain pipe (86).
8. The rapid nondestructive testing device for compactness of asphalt pavement according to claim 7, wherein: one end of the expansion sleeve (881) is fixedly connected with one end of the drain pipe (86), and the water inlet (886) is provided with a plurality of groups.
Priority Applications (1)
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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. |
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