CN116499799B - Highway road surface construction quality detects sampling device - Google Patents
Highway road surface construction quality detects sampling device Download PDFInfo
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- CN116499799B CN116499799B CN202310796621.4A CN202310796621A CN116499799B CN 116499799 B CN116499799 B CN 116499799B CN 202310796621 A CN202310796621 A CN 202310796621A CN 116499799 B CN116499799 B CN 116499799B
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- 238000005070 sampling Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000005553 drilling Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 45
- 238000007906 compression Methods 0.000 claims description 45
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 102000010637 Aquaporins Human genes 0.000 description 39
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Road Repair (AREA)
Abstract
The application relates to the field of highway quality detection, in particular to a highway pavement construction quality detection sampling device, which comprises a feeding mechanism and a rotating mechanism, wherein the feeding mechanism comprises a rotary mechanism body; the feeding mechanism comprises a mounting plate, a rotary drum and a drilling drum, the rotary drum is rotatably arranged on the mounting plate around a vertical axis, and the drilling drum is arranged at the bottom end of the rotary drum; the rotating mechanism comprises a rotating column; the rotor post is slidable in a vertical direction relative to the drum. The drilling cylinder rotates to obtain a sample core required by detection; through the cooperation of first water course and second water course, the water of first water course can fully with the global of contact appearance core when boring a section of thick bamboo and bore the sample core for produce the capillary phenomenon between appearance core and the bore a section of thick bamboo inner wall, can improve the leakproofness between appearance core and the steering column, when the steering column rotates for the rotary drum, the axial direction of rotary drum can be followed to the steering column slides, thereby can change the gas pressure between steering column and the appearance core, can take out a kind core and go out the road surface, and push out bore a section of thick bamboo.
Description
Technical Field
The application relates to the field of highway quality detection, in particular to a highway pavement construction quality detection sampling device.
Background
In the road construction process, natural defects, design defects, construction and construction errors of engineering materials are difficult to avoid, so that quality detection of the road is necessary after the construction is completed. A common detection sampling method is a core drilling sampling method, which is to drill a pavement concrete core sample through a core drilling machine and then detect the core sample.
In conventional core drills, two problems are easily generated after the end of the core drilling: firstly, the sample core is easy to be left in the road surface and is difficult to be taken out; and secondly, after the sample core is taken out of the pavement, the sample core is difficult to take out of the drilling barrel. In actual operation, for convenience, a method of knocking a drilling cylinder and vibrating out a sample core is often adopted by a master worker. However, the sample core and the drill barrel are easily damaged, and the detection result is affected.
Disclosure of Invention
Accordingly, it is necessary to provide a road surface construction quality detection sampling device for solving the problem that the drill core is difficult to take out after the end of the existing road surface drill core.
The above purpose is achieved by the following technical scheme:
a highway pavement construction quality detection sampling device comprises a base, a feeding mechanism and a rotating mechanism.
The feeding mechanism comprises a guide post, a mounting plate, a rotary drum, a clamping assembly and a drilling drum; the guide post is vertically arranged on the base, and the mounting plate is sleeved on the guide post in a sliding way; the rotary drum is rotatably arranged on the mounting plate around a vertical axis and can slide on the mounting plate along the vertical direction; the clamping assembly is used for controlling the rotary drum to be static or rotate relative to the mounting plate; the drilling cylinder is arranged at the bottom end of the rotary cylinder, is communicated with the rotary cylinder, can move along with the mounting plate and penetrates through the base; the drill barrel is moved downward for drilling the sampling core.
The rotating mechanism comprises a sleeve, a piston rod and a rotating column; the sleeve is rotatably arranged above the mounting plate and is coaxial with the rotary drum; the piston rod is arranged in the sleeve in a sliding manner along the axial direction of the sleeve; the column is installed in the bottom of piston rod, and column and rotary drum threaded connection.
The heat dissipation mechanism comprises a water tank, a rotating plate and a water channel component, the water tank is sleeved outside the sleeve and is arranged on the mounting plate, the rotating plate is arranged at the bottom of the water tank, a rotating groove is formed in the top of the sleeve, the rotating plate is rotatably arranged in the rotating groove, an annular groove communicated with the water tank is formed in the bottom of the rotating plate, and the water channel component is arranged on the sleeve and the drill cylinder and used for guiding water in the annular groove into the drill cylinder; the water channel component comprises a first water channel, a second water channel and a one-way throttle valve, wherein the first water channel is arranged in the rotary drum, and one end of the first water channel is communicated with the annular groove; the second water channel is arranged on the inner peripheral surface of the drill cylinder and is communicated with the first water channel; the one-way throttle valve is arranged at the water outlet end of the first water channel.
Preferably, the highway pavement construction quality detection sampling device further comprises a faucet plate and a motor, wherein the faucet plate is arranged on the mounting plate, the motor is arranged on the faucet plate, an output shaft of the motor is arranged in the vertical direction, one end of the sleeve is arranged on the output shaft of the motor, a key slot is formed in the inner peripheral surface of the sleeve along the axial direction of the sleeve, and a convex key matched with the key slot is formed in the peripheral surface of the piston rod.
Preferably, the highway pavement construction quality detection sampling device further comprises a heat dissipation mechanism, wherein the heat dissipation mechanism comprises a water tank, a rotating plate and a water channel component, the water tank is sleeved outside the sleeve and is arranged on the mounting plate, the rotating plate is arranged at the bottom of the water tank, a rotating groove is formed in the top of the sleeve, the rotating plate is rotationally arranged in the rotating groove, an annular groove communicated with the water tank is formed in the bottom of the rotating plate, and the water channel component is arranged on the sleeve and the drill cylinder and used for guiding water in the annular groove to the drill cylinder.
Preferably, the water channel component comprises a first water channel, a second water channel and a one-way throttle valve, wherein the first water channel is arranged in the rotary drum, and one end of the first water channel is communicated with the annular groove; the second water channel is arranged on the inner peripheral surface of the drill cylinder and is communicated with the first water channel; the one-way throttle valve is arranged at the water outlet end of the first water channel and is used for preventing water in the drilling barrel from flowing to the first water channel.
Preferably, the bottom end of the second water channel is located above the bottom end of the drill cylinder.
Preferably, the highway pavement construction quality detection sampling device further comprises a plugging mechanism, wherein the plugging assembly comprises a compression plate, a rotating plate, a second pressure spring and a containing groove, the compression plate is arranged in the drill cylinder in a sliding manner along the axial direction of the drill cylinder, and the diameter of the compression plate is matched with the diameter of the drill cylinder; the rotating plate is coaxial with the compression plate and is rotatably arranged on the compression plate; the second pressure spring is arranged between the rotating plate and the rotating drum, and two ends of the second pressure spring are respectively abutted against the rotating drum and the rotating plate; the holding tank is offered in the bottom of rotary drum, and the holding tank is used for holding the second pressure spring for rotor plate and rotary drum butt.
Preferably, through holes for communicating the rotary drum and the drill drum are formed in the compression plate and the rotation plate, and a rubber layer is arranged on the bottom surface of the compression plate.
Preferably, the clamping assembly comprises a rotating groove, a clamping ring and a buckle plate; the rotating groove is formed in the upper surface of the mounting plate, and the clamping block is formed at the bottom of the rotating groove; the clamping ring is arranged on the peripheral surface of the rotary drum, is rotationally arranged in the rotating groove and can slide in the rotating groove along the axial direction of the rotary drum; the bottom end of the clamping ring is provided with a clamping groove which can be clamped with the circumference of the clamping block; the buckle is installed on the mounting panel, and is located the rotation groove top.
Preferably, the guide post is sleeved with a first pressure spring, and two ends of the first pressure spring are respectively abutted with the mounting plate and the base.
The beneficial effects of the application are as follows: the drilling cylinder rotates to obtain a sample core required by detection; through the cooperation of the first water channel and the second water channel, water of the first water channel can fully contact the peripheral surface of the sample core when the sample core is drilled by the drill cylinder, so that capillary phenomenon is generated between the sample core and the inner wall of the drill cylinder, and the tightness between the sample core and the rotary column can be improved; when the rotary column rotates relative to the rotary drum, the rotary column can slide along the axial direction of the rotary drum, so that the gas pressure between the rotary column and the sample core can be changed, the sample core can be pulled out of the road surface, and the sample core is pushed out of the drilling drum.
Drawings
Fig. 1 is a schematic structural diagram of a highway pavement construction quality detection sampling device according to an embodiment of the present application;
fig. 2 is a cross-sectional view of a front view of a highway pavement construction quality detection sampling device according to an embodiment of the present application;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a schematic structural diagram of a mounting plate of a highway pavement construction quality detection sampling device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a drum of a highway pavement construction quality detecting and sampling device according to an embodiment of the present application;
fig. 7 is a state diagram of a sampling core of a highway pavement construction quality detection sampling device according to an embodiment of the present application after the sampling core is extracted.
Wherein: 100. a base; 101. a door plank; 102. a motor; 201. a guide post; 202. a mounting plate; 203. a rotating drum; 204. drilling a cylinder; 205. a first compression spring; 301. a sleeve; 302. a piston rod; 303. a rotating column; 401. a water tank; 402. a rotating plate; 403. a one-way throttle valve; 404. an annular groove; 405. a rotary groove; 406. a first waterway; 407. a second waterway; 501. a compression plate; 502. a second compression spring; 503. a receiving groove; 504. a rotating plate; 601. a rotating groove; 602. a clasp; 603. the buckle plate.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 7, an embodiment of the present application provides a highway pavement construction quality detection sampling device, which is suitable for extracting a sample core after pavement sampling. As shown in fig. 1, the highway pavement construction quality detection sampling device provided by the embodiment comprises a base 100, a feeding mechanism and a rotating mechanism.
The base 100 includes a bottom plate and rollers disposed on the bottom plate to facilitate movement of the base.
The feeding mechanism comprises a guide pillar 201, a mounting plate 202, a rotary drum 203, a clamping assembly and a drill drum 204; the guide post 201 is vertically arranged on the base 100, and the mounting plate 202 is sleeved on the guide post 201 in a sliding way; the drum 203 is rotatably provided on the mounting plate 202 about a vertical axis, and is slidable on the mounting plate 202 in the vertical direction; the clamping assembly is used for controlling the rotary drum 203 to be static or rotate relative to the mounting plate 202; the drilling drum 204 is mounted at the bottom end of the rotary drum 203, and the drilling drum 204 is communicated with the rotary drum 203 and can move along with the mounting plate 202 and penetrate through the base 100; the drill barrel 204 is moved downward for drilling the sampling core.
A rotation mechanism including a sleeve 301, a piston rod 302, and a rotation post 303; the sleeve 301 is rotatably arranged above the mounting plate 202 and is coaxial with the drum 203; the piston rod 302 is slidably disposed in the sleeve 301 along the axial direction of the sleeve 301; the rotating column 303 is arranged at the bottom end of the piston rod 302, and the rotating column 303 is in threaded connection with the rotary drum 203; the rotating mechanism has a first working state and a second working state.
In the first working state, the rotary drum 203 is rotatable relative to the mounting plate 202 under the action of the clamping assembly, and after the rotary column 303 is rotated downwards along the threads of the rotary drum 203 to a preset position, the rotary column 303 can drive the rotary drum 203 to rotate, so that the drilling barrel 204 can drill a core of a road surface;
a second operating condition, in which the drum 203 is stationary relative to the mounting plate 202 by the clamping assembly; when the rotating column 303 rotates upwards along the thread of the rotary drum 203 to be far away from the preset position, the rotating column 303 can extract negative pressure to the space at the bottom of the rotating column 303; the rotation post 303 compresses the space at the bottom of the rotation post 303 when the rotation post 303 is screwed down along the rotation cylinder 203 to approach a preset position.
Specifically, the rotary column 303 is in threaded connection with the rotary drum 203, so that after the rotary column 303 rotates relative to the rotary drum 203, the rotary drum 203 can be driven to rotate after the rotary column 303 reaches a preset position, and thus driving force is provided for the drill barrel 204; wherein the preset position is the lowest position of the internal thread of the rotary drum 203; the threaded mating relationship between the spin basket 303 and the bowl 203 can maintain a seal between the spin basket 303 and the bowl 203.
Specifically, in a first working state, the device can drill the pavement to obtain a sample core required for detection; in the second working state, the drilled sample core is already in the drilling barrel 204, the drilling barrel 204 is in a static state relative to the mounting plate 202 under the action of the clamping assembly, and when the rotating column 303 rotates relative to the rotating cylinder 203, the rotating column 303 can slide along the axial direction of the rotating cylinder 203, so that the gas pressure between the rotating column 303 and the sample core can be changed, the sample core can be pulled out of the road surface, and the sample core is pushed out of the drilling barrel 204.
In this embodiment, as shown in fig. 1 and 2, a highway pavement construction quality detection sampling device further includes a door plate 101 and a motor 102, the door plate 101 is mounted on the mounting plate 202, the motor 102 is mounted on the door plate 101, an output shaft of the motor 102 is disposed along a vertical direction, one end of a sleeve 301 is mounted on the output shaft of the motor 102, a key slot is formed in an inner circumferential surface of the sleeve 301 along an axial direction of the sleeve, a protruding key matched with the key slot is formed in a circumferential surface of a piston rod 302, so that the piston rod 302 can slide axially in the sleeve 301 and can also rotate along with the sleeve 301, when the motor 102 drives the sleeve 301 to rotate, the sleeve 301 can drive a rotating column 303 to rotate through the piston rod 302, and when the rotating column 303 rotates along threads of the drum 203 in the drum 203, the piston rod 302 can be driven to slide axially in the sleeve 301.
In this embodiment, as shown in fig. 2 and 3, a highway pavement construction quality detection sampling device further includes a heat dissipation mechanism, where the heat dissipation mechanism includes a water tank 401, a rotating plate 402 and a water channel component, the water tank 401 is sleeved outside the sleeve 301 and is installed on the installation plate 202, the rotating plate 402 is installed at the bottom of the water tank 401, a rotating groove 405 is provided at the top of the sleeve 301, the rotating plate 402 is rotatably provided in the rotating groove 405, an annular groove 404 communicated with the water tank 401 is provided at the bottom of the rotating plate 402, and the water channel component is provided on the sleeve 301 and the drill pipe 204 and is used for guiding water in the annular groove 404 into the drill pipe 204.
Specifically, the water tank 401 is sleeved outside the sleeve 301 and the piston rod 302, the inside of the water tank 401 is not communicated with the sleeve 301 and the piston rod 302, sliding seal is formed between the rotating plate 402 and the sleeve 301, and water in the water tank 401 can enter the water channel assembly through the rotating plate 402.
In this embodiment, as shown in fig. 2, the waterway assembly includes a first waterway 406, a second waterway 407, and a one-way throttle valve 403, the first waterway 406 being open in the drum 203 and communicating at one end with the annular recess 404; the second water channel 407 is arranged on the inner peripheral surface of the drill cylinder 204 and is communicated with the first water channel 406; a one-way throttle valve 403 is mounted to the water outlet end of the first waterway 406 for preventing water in the drill pipe 204 from flowing to the first waterway 406.
Specifically, water in the first waterway 406 may flow into the drill pipe 204, and after the drill pipe 204 drills the sampling core, water flow may flow along the second waterway 407, and the one-way throttle valve 403 may be used to control the rate at which water in the first waterway 406 flows into the drill pipe 204.
In this embodiment, the bottom end of the second waterway 407 is located above the bottom end of the drill pipe 204.
Specifically, after the drill pipe 204 drills the sampling core, the cooling water may flow along the second water channel 407 toward the bottom end of the drill pipe 204 and flow from the gap between the sampling core and the drill pipe 204 to the end of the drill pipe 204, and when the rotary column 303 pumps negative pressure to the region between the sampling core and the rotary column 303, the gap between the sampling core below the second water channel 407 and the drill pipe 204 may improve the sealing effect after the water flow is filled because the second water channel 407 does not extend to the bottom of the drill pipe 204.
In this embodiment, as shown in fig. 4, the plugging device further includes a plugging mechanism, where the plugging assembly includes a compression plate 501, a rotation plate 504, a second compression spring 502, and a receiving groove 503, the compression plate 501 is slidably disposed in the drill pipe 204 along the axial direction of the drill pipe 204, and the diameter of the compression plate 501 is adapted to the diameter of the drill pipe 204; the rotating plate 504 is coaxial with the compression plate 501, and the rotating plate 504 is rotatably provided on the compression plate 501; the second compression spring 502 is arranged between the rotating plate 504 and the rotating drum 203, and two ends of the second compression spring are respectively abutted against the rotating drum 203 and the rotating plate 504; the accommodating groove 503 is formed at the bottom end of the rotary drum 203, and the accommodating groove 503 can be used for accommodating the second compression spring 502, so that the rotating plate 504 and the rotary drum 203 can be abutted.
Specifically, after the drilling of the sample core is completed by the drilling barrel 204, the sample core is in an abutting state with the compression plate 501, when negative pressure is pumped to the region between the sample core and the rotary column 303 by the rotary column 303, the sample core pushes the compression plate 501 to be close to the bottom of the rotary drum 203 under the action of the negative pressure, and the compression plate 501 is finally abutted with the rotary drum 203, so that water in the first water channel 406 does not enter the rotary drum 203 any more.
In the present embodiment, through holes for communicating the rotary drum 203 and the drill drum 204 are formed in the compression plate 501 and the rotation plate 504, and a rubber layer is provided on the bottom surface of the compression plate 501.
Specifically, the sealing effect between the compression plate 501 and the sample core can be increased by the rubber layer, after the cooling water infiltrates the surface of the sample core, and after the sample core is contacted with the compression plate 501, the gas content between the rubber layer and the sample core can be reduced by the water on the surface of the sample core, the contact area of the rubber layer and the sample core is increased, and the sealing effect is further improved.
In this embodiment, as shown in fig. 5 and 6, the clamping assembly includes a rotation groove 601, a snap ring 602, and a buckle 603; the rotating groove 601 is formed in the upper surface of the mounting plate 202, and a clamping block is formed in the bottom of the rotating groove 601; a snap ring 602 is mounted on the circumferential surface of the drum 203, and the snap ring 602 is rotatably provided in the rotation groove 601 and slidable in the rotation groove 601 in the axial direction of the drum 203; the bottom end of the clamping ring 602 is provided with a clamping groove which can be clamped with the circumference of the clamping block; a gusset 603 is mounted on the mounting plate 202 above the rotation slot 601.
Specifically, after the drill barrel 204 contacts with the ground, the drill barrel 204 stops moving under the resistance of the ground, and the worker can continuously push down to enable the rotating groove 601 and the clamping ring 602 to slide relatively, so that the rotating column 303 drives the rotating cylinder 203 and the mounting plate 202 to rotate relatively, when the vacuum is required to be extracted from the region between the rotating column 303 and the sample core, the rotating column 303 and the rotating cylinder 203 rotate relatively, and at the moment, the rotating cylinder 203 is required to be limited, and only the clamping groove on the clamping ring 602 is required to be clamped with the clamping block on the rotating groove 601.
In this embodiment, as shown in fig. 1, a first compression spring 205 is sleeved on the guide pillar 201, two ends of the first compression spring 205 are respectively abutted to the mounting plate 202 and the base 100, the first compression spring 205 can enable the drill barrel 204 to be located above the base 100, so that the drill barrel 204 is effectively protected, and meanwhile, after the core drilling is completed, workers are helped to lift the drill barrel 204 containing the sample core.
The working principle of the highway pavement construction quality detection sampling device provided by the embodiment is as follows: the device can be moved to a position where sampling is needed through the wheels, then a worker controls the mounting plate 202 to drive the drilling barrel 204 to pass through the base 100 to contact the road surface along the axial direction of the guide post 201, at the moment, under the action of ground resistance, the mounting plate 202 continuously moves relative to the clamping ring 602, the clamping ring 602 slides upwards in the rotating groove 601 and is abutted with the buckle plate 603, at the moment, the clamping groove on the clamping ring 602 is separated from the clamping block in the rotating groove 601, and the rotating drum 203 can drive the drilling barrel 204 to rotate along the axis of the clamping groove.
Then, the motor 102 is started, the motor 102 drives the sleeve 301 to rotate, a key groove in the sleeve 301 can drive the piston rod 302 to rotate through being matched with a convex key on the piston rod 302, the piston rod 302 at the moment drives the rotary column 303 to rotate in the rotary drum 203, and the rotary column 303 is close to the bottom of the rotary drum 203 in the rotating process through being matched with threads of the rotary column 303 and the piston rod 302 until the rotary column 303 cannot rotate relative to the rotary drum 203 after moving to a preset position, at the moment, the motor 102 continues to rotate, the rotary column 303 drives the rotary drum 203 to rotate, the rotary drum 203 drives the drill drum 204 to rotate, then a worker continues to press the mounting plate 202, and a downward acting force is applied to the clamping ring 602 by the clamping plate 603 to drive the rotary drum 203 to move downwards, so that the drill drum 204 stretches into concrete to obtain a concrete sample core.
When the drilling barrel 204 drills concrete, water in the water tank 401 flows into the drilling barrel 204 through the first water channel 406 and the one-way throttle valve 403, during rotation of the drilling barrel 204, the water flows onto the inner wall of the drilling barrel 204 and finally flows to the bottom end of the drilling barrel 204, after the drilling barrel 204 drills into a certain depth of a road surface, a gap between a sample core in the drilling barrel 204 and the inner circumferential surface of the drilling barrel 204 is small, when water for cooling does not flow easily to the bottom end of the drilling barrel 204, the water flows from the second water channel 407 to the bottom end of the drilling barrel 204 to cool the drilling barrel 204, and meanwhile, when the second water channel 407 passes through the circumferential surface of the sample core, the wetted sample core is wetted, and moisture attached to the sample core is adsorbed to the drilling barrel 204 to cool the drilling barrel 204.
After the drilling cylinder 204 drills through the concrete layer, the mounting plate 202 moves down to the lowest position, the top end of the sample core in the drilling cylinder 204 is in contact with the rubber layer on the compression plate 501, the gap between the rubber layer and the sample core is filled with water at the top end of the sample core, gas is discharged, friction between the compression plate 501 and the sample core is increased, when the drilling cylinder 204 rotates relative to the sample core, the compression plate 501 and the sample core are relatively static, and relative rotation occurs between the compression plate 501 and the rotation plate 504.
Because of the connection between the sample core and the compression plate 501, the compression plate 501 is tightly attached to the sample core to form a sealing layer, so that the sealing performance between the sample core and the rotary column 303 is improved, moisture is filled between the peripheral surface of the sample core and the inner peripheral surface of the drill barrel 204 because of the temperature reduction of water flow, and capillary phenomenon can be generated between the sample core and the drill barrel 204 due to small gap between the sample core and the drill barrel 204 by the moisture, so that the gap between the sample core and the drill barrel 204 is filled, and the sealing effect in the drill barrel 204 is improved.
Then, the motor 102 is stopped, the pressure applied to the mounting plate 202 is reduced by a worker, the mounting plate 202 moves upwards to move a certain distance, the clamping ring 602 is clamped with the mounting plate 202, the rotary drum 203 and the mounting plate 202 cannot rotate relatively, then the motor 102 rotates reversely, the rotary column 303 is driven to rotate reversely along threads in the rotary drum 203 by the reverse rotation of the motor 102, the rotary column 303 is quickly away from the bottom of the rotary drum 203, at the moment, a negative pressure area is formed by a cavity at the bottom of the rotary column 303, water in the first water channel 406 is pumped into the drill drum 204 through a throttling check valve, meanwhile, the generated negative pressure also pumps the sample core, the compression plate 501 is pushed to approach the rotary drum 203, when the compression plate 501 abuts against the bottom of the rotary drum 203, as shown in fig. 7, moisture above the sample core in the drill drum 204 is extruded into the rotary drum 203, the sample core is pumped into the drill drum 204, and the compression plate 501 also isolates the water in the second water channel 407 from continuing to enter the negative pressure area.
Then, the motor 102 is stopped, a worker pulls the mounting plate 202 to lift the drill barrel 204 out of the road surface, the mounting plate 202 and the clamping ring 602 are still in a clamping state at the moment, then the motor 102 is started forward again, the motor 102 drives the rotating column 303 to approach the bottom of the rotary drum 203, water in the rotary drum 203 is pushed to generate a pushing force on the sample core, the sample core is pushed out of the drill barrel 204, and then the worker can take out the sample core completely.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (3)
1. The utility model provides a highway road surface construction quality detects sampling device which characterized in that includes:
a base;
the feeding mechanism comprises a guide post, a mounting plate, a rotary drum, a clamping assembly and a drill drum; the guide post is vertically arranged on the base, and the mounting plate is sleeved on the guide post in a sliding way; the rotary drum is rotatably arranged on the mounting plate around a vertical axis and can slide on the mounting plate along the vertical direction; the clamping assembly is used for controlling the rotary drum to be static or rotate relative to the mounting plate; the drilling cylinder is arranged at the bottom end of the rotary cylinder, is communicated with the rotary cylinder, can move along with the mounting plate and penetrates through the base; the drilling barrel moves downwards to drill the sampling core;
the rotating mechanism comprises a sleeve, a piston rod and a rotating column; the sleeve is rotatably arranged above the mounting plate and is coaxial with the rotary drum; the piston rod is arranged in the sleeve in a sliding manner along the axial direction of the sleeve; the rotary column is arranged at the bottom end of the piston rod and is in threaded connection with the rotary drum; the rotating mechanism is provided with a first working state and a second working state;
the rotary column can drive the rotary drum to rotate after the rotary column rotates downwards to a preset position along the thread of the rotary drum under the action of the clamping assembly, so that the drilling drum can drill a core of a road surface;
the rotary drum is static relative to the mounting plate under the action of the clamping assembly in the second working state; when the rotary column rotates upwards along the thread of the rotary drum to be far away from a preset position, the rotary column can extract negative pressure from the space at the bottom of the rotary column; when the rotary column rotates downwards along the thread of the rotary drum to be close to a preset position, the rotary column can compress the space at the bottom of the rotary column, the rotary column further comprises a portal plate and a motor, the portal plate is arranged on the mounting plate, the motor is arranged on the portal plate, an output shaft of the motor is arranged along the vertical direction, one end of a sleeve is arranged on the output shaft of the motor, a key groove is formed in the inner circumferential surface of the sleeve along the axial direction of the sleeve, a convex key matched with the key groove is formed in the circumferential surface of the piston rod, the rotary column further comprises a plugging mechanism, the plugging assembly comprises a compression plate, a rotary plate, a second pressure spring and a containing groove, the compression plate is arranged in the drill cylinder in a sliding mode along the axial direction of the drill cylinder, and the diameter of the compression plate is matched with that of the drill cylinder; the rotating plate is coaxial with the compression plate and is rotatably arranged on the compression plate; the second pressure spring is arranged between the rotating plate and the rotating drum, and two ends of the second pressure spring are respectively abutted against the rotating drum and the rotating plate; the accommodating groove is formed in the bottom end of the rotary drum and is used for accommodating the second pressure spring, so that the rotary plate and the rotary drum can be abutted, through holes for communicating the rotary drum and the drill drum are formed in the compression plate and the rotary plate, a rubber layer is arranged on the bottom surface of the compression plate, and the clamping assembly comprises the rotary groove, the clamping ring and the clamping plate; the rotating groove is formed in the upper surface of the mounting plate, and the clamping block is formed at the bottom of the rotating groove; the clamping ring is arranged on the peripheral surface of the rotary drum, is rotationally arranged in the rotating groove and can slide in the rotating groove along the axial direction of the rotary drum; the bottom end of the clamping ring is provided with a clamping groove which can be clamped with the circumference of the clamping block; the pinch plate is arranged on the mounting plate and is positioned above the rotating groove, the guide post is sleeved with a first pressure spring, and two ends of the first pressure spring are respectively abutted with the mounting plate and the base; the heat dissipation mechanism comprises a water tank, a rotating plate and a water channel component, wherein the water tank is sleeved outside the sleeve and is arranged on the mounting plate, the rotating plate is arranged at the bottom of the water tank, a rotating groove is formed in the top of the sleeve, the rotating plate is rotatably arranged in the rotating groove, an annular groove communicated with the water tank is formed in the bottom of the rotating plate, the water channel component is arranged on the sleeve and the drill cylinder and used for guiding water in the annular groove into the drill cylinder,
when the rotary drill pipe is used, a worker controls the mounting plate to drive the drill pipe to pass through the base to contact with a road surface along the axial direction of the guide post, at the moment, under the action of ground resistance, the mounting plate continuously moves relative to the clamping ring, the clamping ring slides upwards in the rotating groove and is abutted with the buckle plate, at the moment, the clamping groove on the clamping ring is separated from the clamping block in the rotating groove, and the rotary drum can drive the drill pipe to rotate along the axis of the rotary drum; then starting a motor, driving a sleeve to rotate by the motor, driving a piston rod to rotate by matching a key groove in the sleeve with a convex key on a piston rod, driving a rotary column to rotate in a rotary drum by the piston rod at the moment, and enabling the rotary column to be close to the bottom of the rotary drum in the rotating process by matching threads of the rotary column and the piston rod until the rotary column can not rotate relative to the rotary drum after moving to a preset position, continuing to rotate by the motor, driving the rotary drum to rotate by the rotary column, driving a drilling drum to rotate by the rotary drum, continuing to press a mounting plate by a worker, applying downward acting force to a clamping ring by a buckle plate, and driving the rotary drum to move downwards, so that the drilling drum stretches into concrete to obtain a concrete sample core; stopping the motor, enabling staff to reduce the pressure applied to the mounting plate, enabling the mounting plate to move upwards for a certain distance, enabling the clamping ring to be clamped with the mounting plate, enabling the rotary drum and the mounting plate not to rotate relatively, enabling the motor to rotate reversely to drive the rotary column to rotate reversely in the rotary drum along threads, enabling the rotary column to be away from the bottom of the rotary drum rapidly, and enabling a cavity at the bottom of the rotary column to form a negative pressure area; and finally, stopping the motor to rotate, lifting the mounting plate by a worker, lifting the drilling barrel to lift the drilling barrel out of the road surface, wherein the mounting plate and the clamping ring are still in a clamping state, then, starting the motor forward again, driving the rotary column to approach the bottom of the rotary drum by the motor, pushing water in the rotary drum to generate a thrust to the sample core, pushing out the sample core from the drilling barrel, and then completely taking out the sample core by the worker.
2. The highway pavement construction quality detection sampling device according to claim 1, wherein the water channel assembly comprises a first water channel, a second water channel and a one-way throttle valve, the first water channel is arranged in the rotary drum, and one end of the first water channel is communicated with the annular groove; the second water channel is arranged on the inner peripheral surface of the drill cylinder and is communicated with the first water channel; the one-way throttle valve is arranged at the water outlet end of the first water channel and is used for preventing water in the drilling barrel from flowing to the first water channel.
3. The highway pavement construction quality detection sampling device of claim 2, wherein the bottom end of the second waterway is positioned above the bottom end of the drill pipe.
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| CN202310796621.4A CN116499799B (en) | 2023-07-03 | 2023-07-03 | Highway road surface construction quality detects sampling device |
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| CN117848769B (en) * | 2024-03-08 | 2024-05-31 | 洛阳鹏飞建设工程有限公司 | Detection device for highway construction quality |
| CN118090307A (en) * | 2024-04-23 | 2024-05-28 | 洛阳业丰建设工程服务有限公司 | Concrete building intensity check out test set |
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