CN112945615A - Measuring device for road pavement structural layer compactness - Google Patents
Measuring device for road pavement structural layer compactness Download PDFInfo
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- CN112945615A CN112945615A CN202110131636.XA CN202110131636A CN112945615A CN 112945615 A CN112945615 A CN 112945615A CN 202110131636 A CN202110131636 A CN 202110131636A CN 112945615 A CN112945615 A CN 112945615A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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Abstract
The utility model relates to a road surface texture compactness uses measuring device, it includes the support body and gets the material subassembly, it includes getting the feed cylinder to get the material subassembly, the rotatory roller, the first driving piece, reset piece and spacing section of thick bamboo, it is the open form to get the feed cylinder bottom, fixedly connected with transport auger on the periphery wall of rotatory roller, the output shaft of the first driving piece passes the center of spacing section of thick bamboo up end and gets the center of feed cylinder up end and then fixedly connected with the rotatory roller and drive the rotation of rotation roller, the output shaft of the first driving piece is connected with the rotation of spacing section of thick bamboo, the axial length of getting the feed cylinder is greater than the axial length of rotatory roller, the internal diameter of getting the feed cylinder is adapted with the external diameter of; the one end that resets and the one end fixed connection who gets the feed cylinder and keep away from the opening form, the other end and support body fixed connection, the bottom fixedly connected with nail chi that resets of keeping away from of rotatory roller. This application has the effect of being convenient for carry out accurate measurement to the compactness of drilling department.
Description
Technical Field
The application relates to the field of road compactness measuring devices, in particular to a measuring device for road pavement structure compactness.
Background
The road is a passage which is built according to the national technical standard and is approved by the road administration department and connects between cities, villages and mining bases, the road base layer is one of the important components of the road, the road base layer is a main bearing layer which is directly positioned under an asphalt pavement and is filled with high-quality materials or a structural layer which is directly positioned under a cement concrete pavement and is paved with high-quality materials, and the road base layer plays an important role in the quality of the whole road, so the road administration department needs to strictly control the quality of the road base layer, and the measurement of the compaction degree of the road base layer is an important link. When the compactness is measured, generally, the paved ground is punched and the base layer raw material in the hole is collected, and the compactness data of the road base layer is obtained by weighing the base layer raw material and calculating through the punched volume.
In the related art, a way of manually drilling to take a material and manually measuring the volume of a drilled hole is generally adopted, and the inventor considers that the following defects exist in the related art: the error is great among the staff operation process, causes the inaccurate of basic unit's raw materials measurement after the sample very easily.
Disclosure of Invention
In order to facilitate carrying out accurate measurement to the degree of compaction in drilling hole department, this application provides a measuring device for road surface structural layer degree of compaction.
The application provides a measuring device for road surface structural layer compactness adopts following technical scheme:
a measuring device for road pavement structure layer compactness, includes: the material taking assembly comprises a material taking barrel, a rotating roller, a first driving piece, a resetting piece and a limiting barrel, the bottom end of the material taking barrel is in an open shape, a conveying auger is fixedly connected to the outer peripheral wall of the rotating roller, the rotating roller is located on the inner side of the material taking barrel and is coaxially arranged with the material taking barrel, an output shaft of the first driving piece is coaxially arranged with the axis of the material taking barrel, an output shaft of the first driving piece penetrates through the center of the upper end face of the limiting barrel and the center of the upper end face of the material taking barrel and is fixedly connected with the rotating roller and drives the rotating roller to rotate, the output shaft of the first driving piece is rotatably connected with the limiting barrel, the output shaft of the first driving piece is in inserting fit with the material taking barrel along the axis of the material taking barrel, the axial length of the material taking barrel is greater; the one end that resets and get the feed cylinder and keep away from the one end fixed connection of opening form, the other end and support body fixed connection, when the piece that resets is in the expansion state, rotatory roller bottom is located gets inside the feed cylinder, the bottom fixedly connected with nail chi of the piece that resets of keeping away from of rotatory roller.
By adopting the technical scheme, when drilling and taking materials, the frame body is placed on the ground, the first driving piece and the rotating roller synchronously move downwards until the lower end of the rotating roller is abutted against the drilling position on the ground, the lower end of the material taking barrel is abutted against the ground, the resetting piece is further compressed between the material taking barrel and the frame body, and the bottom of the material taking barrel is abutted against the ground; the first driving piece drives the rotating roller to rotate, the nail ruler at the bottom end of the rotating roller punches holes under the action of rotating force, the rotating roller gradually moves downwards and conveys the drilled base raw materials to a cavity between the top end of the rotating roller and the material taking barrel through a conveying auger at the outer side of the rotating roller; after the drilling operation, make first driving piece and rotatory roller shift up, rotatory roller shifts out from the downthehole of beating, then the bottom surface and the ground separation of getting the feed cylinder, get the feed cylinder and reply the normal position under the effort that resets, when the piece that resets is in the expansion state, rotatory roller bottom is located and gets inside the feed cylinder, the soil of taking out is arranged in and is got in the feed cylinder and can't fall in getting the feed cylinder under the effect of blockking of rotatory roller, make the basic unit raw materials of being taken out difficult to scatter subaerial, be convenient for carry out accurate weighing to the basic unit raw materials of taking out.
When the base material is taken out, the first driving piece is controlled to rotate reversely, the base material in the cavity between the top end of the rotating roller and the material taking barrel moves downwards under the action of the conveying auger and finally flows out of the bottom end of the material taking barrel, and people can collect the base material in the drill hole only by placing the container at the bottom end of the material taking barrel, so that time and labor are saved, and convenience is brought to the pavement compactness measuring operation; after the hole is drilled on the flat ground, a worker estimates the drilled volume according to the drilling depth of the rotary roller during drilling and the radius of the rotary roller, and calculates the compactness of the road structure layer according to the obtained mass and volume of the base layer raw material.
Optionally, a guide hole is formed in the frame body, a guide post is connected to the frame body in a sliding mode along the axis direction of the material taking barrel, the guide post penetrates through the guide hole and is connected with the guide hole in a sliding mode, and the guide post is fixedly connected with the first driving piece.
Through adopting above-mentioned technical scheme, guide post and support body are along the axis direction sliding fit who gets the feed cylinder for can only drive first driving piece and the rotatory roller of being connected with first driving piece through the guide post and remove along the axis direction who gets the feed cylinder, the condition that appears the inclined hole when having avoided rotatory roller drilling.
Optionally, the support body includes fixed plate and supporting leg, and the guiding hole is seted up on the fixed plate, and supporting leg fixed connection is in the fixed plate and is close to the one side that resets, has the regulation support in the bottom threaded connection of supporting leg.
Through adopting above-mentioned technical scheme, adjust the height of supporting leg through the rotation regulation support to conveniently make the fixed plate keep the state parallel with ground on the road surface of unevenness, made things convenient for and got the material operation.
Optionally, a leveling device is disposed on the fixing plate.
Through adopting above-mentioned technical scheme, horizontal measuring device is used for observing whether the fixed plate inclines to whether material subassembly and ground are in the vertical state is got in the affirmation.
Optionally, the frame body is provided with an air cylinder, the cylinder body of the air cylinder is fixedly arranged on the frame body, a piston rod of the air cylinder is fixedly connected with the outer peripheral wall of the guide column, and the axis of the air cylinder is parallel to the axis of the guide column.
Through adopting above-mentioned technical scheme, the cylinder is used for driving the guide post and goes up and down with guide post fixed connection's first driving piece, and the staff of being convenient for controls the degree of depth of punching of rotatory roller.
Optionally, a deformable layer is fixedly arranged on the edge of the bottom surface of the material taking barrel.
Through adopting above-mentioned technical scheme, be located the road surface that has the slope when the support body, the angle of punching is when the tilt state for level ground promptly, probably has the clearance with the road surface when getting feed cylinder and having the road surface butt of slope, and the deformable layer plays sealed effect to getting the clearance between feed cylinder and the road surface for the basic unit raw materials of carrying the auger to carry on by rotatory roller is difficult for spilling over to getting the feed cylinder outside.
Optionally, a handle is fixedly arranged on the guide post, an insertion rod is fixedly arranged on a piston rod of the air cylinder, the insertion rod penetrates through the handle, a first abutting plate and a second abutting plate are fixedly arranged on the insertion rod, the first abutting plate abuts against the lower surface of the handle, the second abutting plate abuts against the upper surface of the handle, a first pressure sensor is arranged on the first abutting plate, and the first pressure sensor is used for detecting the weight of the material taking assembly.
Through adopting above-mentioned technical scheme, when getting the material subassembly and setting up along vertical direction, detect through first pressure sensor and get the weight before the material subassembly gets the material and get the weight after the material subassembly gets, realize the survey to base layer raw materials quality in the drilling, avoid the error that the raw materials of base layer scattered in the cavity between from rotatory roller and the material section of thick bamboo and cause the raw materials of base layer to weigh.
Optionally, be provided with the funnel on the support body, the discharge gate department of funnel is provided with the extensible member, the fixed end of extensible member sets up the discharge gate department at the funnel, the flexible end fixedly connected with discharging pipe of extensible member, be provided with the solenoid valve on the discharging pipe, the cover is equipped with the soil filling bag on the periphery wall of the one end that the funnel was kept away from to the discharging pipe, soil filling bag and discharging pipe relatively fixed, the upper end and the discharging pipe intercommunication of soil filling bag are provided with the dust absorption pipe on the discharging pipe, the one end of dust absorption pipe is connected with the dust extraction fan, the other end is located one side that.
By adopting the technical scheme, when the volume of the drilled hole needs to be measured, the discharge pipe is positioned above the drilled hole, the telescopic piece is controlled to fall down, the soil filling bag is inserted into the drilled hole, the electromagnetic valve is controlled to be opened, the sand in the funnel enters the soil filling bag, the soil filling bag is abutted against the inside of the drilled hole while being filled with the sand until the upper surface of the soil filling bag is flush with the ground, and at the moment, the volume of the sand in the soil filling bag is approximately equal to the volume of the drilled hole; if the sand and soil in the soil filling bag is filled too much to exceed the ground, the redundant sand and soil in the soil filling bag can be sucked out by the dust suction fan.
Optionally, the frame body is rotatably connected with a rotary table, the rotary table is connected with a second driving piece, the material taking barrel and the funnel are fixedly arranged on the rotary table, and the distance between the axis of the material taking barrel and the circle center of the rotary table and the distance between the axis of the funnel and the circle center of the rotary table are equal.
Through adopting above-mentioned technical scheme, during drilling, rotatory roller is located the top of drilling position, when the volume of needs through the soil filling bag measurement drilling, and the control carousel rotates for the discharge gate of funnel below rotates to the top of drilling, need not the staff this moment and removes the support body, only needs the control carousel to rotate.
Optionally, a pressing plate is arranged at one end, close to the discharge pipe, of the soil filling bag, and the upper end of the pressing plate is connected with the discharge pipe through a connecting line.
Through adopting above-mentioned technical scheme, the in-process that the drilling was filled is arranged in to the soil filling bag, and the clamp plate plays the compaction effect to the sand in the packing bag, and whether the staff of being convenient for observes the top of soil filling bag and reachs ground, has reached the function of being convenient for control the interior volume of filling of soil filling bag.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;
FIG. 2 is a schematic partial cross-sectional view of a protruded take-off assembly structure according to example 1 of the present application;
FIG. 3 is a schematic partial cross-sectional view of a protruded material taking assembly for taking material according to example 1 of the present application;
FIG. 4 is a schematic view of the overall structure of embodiment 2 of the present application;
FIG. 5 is a partial three-dimensional schematic view highlighting the connected relationship of the fill bag and the tapping pipe;
FIG. 6 is a schematic partial cross-sectional view of a connection of a projection funnel to a tapping pipe;
fig. 7 is an enlarged schematic view of a portion a of fig. 5.
Description of reference numerals: 1. a frame body; 11. a fixing plate; 111. a guide hole; 112. a turntable; 12. supporting legs; 121. adjusting the support; 122. a traveling wheel; 13. a leveling device; 131. a transverse leveling bubble; 132. a longitudinal level bubble; 14. a second driving member; 141. a second motor; 142. a driving gear; 143. a driven gear; 3. a material taking assembly; 31. a guide post; 311. a handle; 32. taking a charging barrel; 33. a rotating roller; 331. conveying the auger; 332. nailing a ruler; 333. scale lines; 34. a first driving member; 35. a reset member; 36. a limiting cylinder; 4. a cylinder; 41. a plug rod; 411. a first butt joint plate; 412. a second butt joint plate; 5. a funnel; 51. a discharge pipe; 511. an electromagnetic valve; 512. a butting block; 513. a limiting block; 514. sleeving and connecting plates; 6. a telescoping member; 7. a soil filling bag; 71. pressing a plate; 711. a connecting wire; 72. a sleeving connection ring; 8. a dust collection pipe; 81. a dust exhaust fan.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses measuring device for road surface structural layer compactness.
Example 1
Referring to fig. 1 and 2, a measuring device for road surface structural layer compactness includes support body 1 and gets material subassembly 3, and support body 1 includes fixed plate 11 and supporting leg 12, and on the level road, the vertical setting of supporting leg 12, the equal fixed connection of a plurality of supporting legs 12 are in the bottom of support body 1, have at the bottom threaded connection of supporting leg 12 and adjust support 121, and it has the slipmat that is used for playing anti-skidding effect to adjust support 121 bottom paste. The height of the supporting legs 12 is adjusted by rotating the adjusting supports 121, so that the supporting legs 12 can be placed on the uneven road surface with the fixing plate 11 in the horizontal direction.
Referring to fig. 1 and 2, the material taking assembly 3 includes a guide post 31, a material taking barrel 32, a rotating roller 33, a first driving member 34, a reset member 35 and a limiting barrel 36, a guide hole 111 is formed on the fixing plate 11, a limiting protrusion is arranged on one side of the guide hole 111, a limiting groove matched with the limiting protrusion is arranged on the side surface of the guide post 31, when the guide post 31 is slidably connected with the guide hole 111, the limiting protrusion is located in the limiting groove, and a handle 311 is fixedly connected to the top of the guide post 31; referring to fig. 3 again, the first driving member 34 is a first motor, the first motor is fixedly connected with the lower end of the guide post 31, the output shaft of the first motor is fixedly connected with the top end of the rotating roller 33, the diameter of the rotating roller 33 is larger than that of the output shaft of the first motor, the conveying auger 331 is arranged outside the rotating roller 33, and the bottom end of the rotating roller 33 is provided with a plurality of nail rulers 332. The nail chi 332 that the tip is sharp is convenient for rotatory roller 33 to bore into the earth's surface below, and at the drilling in-process, the design of a plurality of nail chi 332 has avoided being coniform at the back hole bottom of punching and has leaded to taking place to the inaccurate situation of hole volume calculation, consequently can improve the road surface compactness measuring precision.
Referring to fig. 2 and 3, the material taking barrel 32 and the limiting barrel 36 are both in a hollow cylinder shape with an opening at the bottom end, the material taking barrel 32 is sleeved outside the rotating roller 33, a first central through hole is formed in the central position of the top end of the material taking barrel 32, a connecting sleeve is fixedly connected in the first central through hole, the material taking barrel 32 is sleeved outside the first motor output shaft through the connecting sleeve, the connecting sleeve can rotate relative to the rotating shaft and can longitudinally slide relative to the rotating shaft, the limiting barrel 36 is sleeved outside the material taking barrel 32, a second central through hole is formed in the central position of the top end of the limiting barrel 36 and is connected with a bearing of the first motor output shaft through the second central through hole, the length of the material taking barrel 32 is larger than that of the rotating roller 33, and the inner; reset piece 35 is the spring, the top and the 36 top medial surface fixed connection of a spacing section of thick bamboo of spring, the bottom and the material taking barrel 32 up end fixed connection of spring, and the spring cup joints in the outside of first motor output shaft, and when the spring was in the expansion state, rotatory roller 33 bottom was located and is got inside the material taking barrel 32.
Referring to fig. 1, in order to measure the depth of penetration of the rotary roller 33, scale marks 333 are provided on the outer surface of the feed cylinder 32 according to the embodiment of the present invention. When the bottom end of the rotating roller 33 is in contact with the ground, the bottom surface of the material taking barrel 32 is abutted to the ground under the elastic force of the spring, the position, located at the bottom end of the limiting barrel 36, on the outer side surface of the material taking barrel 32 is marked as a zero scale, and the scale reached by the bottom end of the limiting barrel 36 is the hole depth drilled by the rotating roller 33 when the drilling operation is carried out.
In order to make the rotating roller 33 perpendicular to the ground and ensure the accuracy of measurement during drilling, referring to fig. 1, the embodiment of the present application is provided with a leveling device 13 on the upper end surface of the fixed plate 11, the leveling device 13 includes a transverse level bubble 131 and a longitudinal level bubble 132, the transverse level bubble 131 is arranged in parallel with the length direction of the fixed plate 11, and the longitudinal level bubble 132 is arranged in parallel with the width direction of the fixed plate 11. The transverse and longitudinal vials 131, 132 are used to observe whether the mounting plate 11 is tilted to determine whether the take-out assembly 3 is vertical with respect to the ground.
The implementation principle of the embodiment 1 of the application is as follows: when drilling on a flat ground, a worker holds the handle 311 to enable the guide post 31 to fall down until the bottom of the rotary roller 33 is abutted to a position needing drilling on the ground, at the moment, the bottom of the material taking barrel 32 is abutted to the ground under the elastic force of the spring, and when the rotary roller 33 drills down, the conveying auger 331 conveys the base material to a cavity between the material taking barrel 32 and the conveying auger 331; after drilling, a worker holds the handle 311 to pull up the guide column 31, so that the rotary roller 33 is taken out of the drilled hole, the guide column 31 is continuously pulled up until the material taking barrel 32 is separated from the ground, the spring is in an unfolded state, the rotary roller 33 is positioned in the material taking barrel 32, so that the base layer raw material in the material taking barrel 32 is not easy to scatter to the ground, and most of the base layer raw material taken out of the drilled hole can be collected and weighed; when the basic raw material is taken, the output shaft of the first motor is controlled to rotate reversely, the basic raw material flows out from the bottom end of the material taking barrel 32, people can conveniently collect the basic raw material, a punching volume is estimated by a worker according to the drilling depth of the rotary roller 33 during drilling and the radius of the rotary roller 33, and the compactness of the road structure layer is calculated through the obtained quality and volume of the basic raw material.
Example 2
Referring to fig. 4 and 5, the difference between the embodiment of the present application and embodiment 1 is that the measuring device for road pavement structure compactness further includes a cylinder 4, a turntable 112, a second driving member 14 and a funnel 5, a mounting hole is formed on the fixing plate 11, the turntable 112 is rotatably connected in the mounting hole, the second driving member 14 includes a second motor 141, a driving gear 142 and a driven gear 143, the second motor 141 is erected on the fixing plate 11, the driven gear 143 is fixedly disposed on the outer peripheral wall of the turntable 112, the driving gear 142 is fixedly disposed on the outer peripheral wall of the second motor 141, the driving gear 142 is engaged with the driven gear 143, the funnel 5 is fixedly disposed on the turntable 112, and the position of the guide column 31 from the center of a circle is equal to the position of the funnel 5 from the center of a circle; the cylinder body of cylinder 4 sets up along vertical direction, fixedly on the piston rod of cylinder 4 being provided with grafting pole 41, grafting pole 41 passes handle 311, fixedly on grafting pole 41 being provided with first butt joint board 411 and second butt joint board 412, the lower surface butt of first butt joint board 411 and handle 311, the upper surface butt of second butt joint board 412 and handle 311 is provided with first pressure sensor on first butt joint board 411, first pressure sensor is used for detecting the weight of getting material subassembly 3. The material taking assembly 3 is used for drilling holes in the ground, sandy soil is filled in the funnel 5 and used for drilling hole filling so as to further measure the volume of the drilled holes, the second motor 141 drives the driving gear 142 to rotate, the driving gear 142 drives the driven gear 143 to rotate, the rotary table 112 is made to rotate relative to the fixed plate 11, and the material taking assembly 3 can sequentially and accurately rotate to the position above the drilled holes; the cylinder 4 is used for driving the guide post 31 and the first driving piece 34 fixedly connected with the guide post 31 to ascend and descend, and is convenient for controlling the punching depth of the rotating roller 33; on gentle road, get material subassembly 3 through the dead weight along vertical direction and first butt board 411 butt, get material subassembly 3 through first pressure sensor detection and get the weight before getting the material and get the weight behind the material of material subassembly 3, realize the survey of base course raw materials quality in the drilling, avoid the error that the base course raw materials weighed that causes scattering in the cavity between rotatory roller 33 and the material section of thick bamboo 32 from the base course raw materials.
Referring to fig. 5 and 6, sandy soil is filled in the funnel 5, a discharge pipe 51 is inserted at a discharge port of the funnel 5, a limit block 513 is arranged at the bottom of the discharge port of the funnel 5, a butting block 512 is arranged at the end part of the discharge pipe 51 close to the funnel 5, and when the discharge pipe 51 falls to the butting block 512 and is butted with the limit block 513, the discharge pipe 51 cannot be separated from the funnel 5 due to the limit action of the limit block 513; be provided with extensible member 6 on the periphery wall of funnel 5, extensible member 6 is the electric push rod, and the fixed end of electric push rod is fixed to be set up on the periphery wall of funnel 5, and the flexible end of electric push rod and the periphery wall fixed connection of discharging pipe 51 are provided with solenoid valve 511 on discharging pipe 51. The outer peripheral wall of one end, away from the funnel 5, of the discharge pipe 51 is sleeved with a soil filling bag 7, a dust suction pipe 8 is communicated with the side wall of the discharge pipe 51, one end of the dust suction pipe 8 is provided with a dust suction fan 81, and the other end of the dust suction pipe is located on one side, close to the soil filling bag 7, of the electromagnetic valve 511.
Referring to fig. 7, the fixed cover joint board 514 that is provided with on the periphery wall of discharging pipe 51 lower extreme, the upper end and the discharging pipe 51 intercommunication of soil-filled bag 7, the fixed cover joint ring 72 that is provided with in border of soil-filled bag 7 opening form, cover joint ring 72 cover and establish on the periphery wall of discharging pipe 51, the radius of cover joint ring 72 is less than cover joint board 514, cover joint board 514 plays limiting displacement to cover joint ring 72, soil-filled bag 7 can adopt gentle polyethylene material or cotton cloth, nylon cloth, this application embodiment is difficult damaged in order to make soil-filled bag 7, this application embodiment adopts the cotton.
The principle of the funnel 5 for filling the bore hole to measure the volume of the bore hole is as follows: when drilling, the rotating roller 33 is positioned above the position of the drill hole, and when the volume of the drill hole needs to be measured through the soil filling bag 7, the rotating disc 112 is controlled to rotate, so that the discharge hole below the hopper 5 rotates to the position above the drill hole, and at the moment, a worker does not need to move the frame body 1 and only needs to control the rotating disc 112 to rotate; after the discharging pipe 51 is located above the drill hole, the electric push rod extends, the soil filling bag 7 is inserted into the drill hole, the control electromagnetic valve 511 is opened, soil in the funnel 5 enters the soil filling bag 7, the soil filling bag 7 is abutted to the inside of the drill hole while being filled with the soil until the upper surface of the soil filling bag 7 is flush with the ground, the volume of the soil in the soil filling bag 7 is approximately equal to the volume of the drill hole, the soil filling bag 7 is made of a flexible material, the occupied volume of the soil filling bag in the drill hole can be ignored, the volume of the soil filling bag 7 adopted in the embodiment of the application is larger than the volume of the drill hole, and if the soil in the soil filling bag 7 is filled to be too much to exceed the ground, redundant soil in the soil filling bag 7 can be sucked out through the dust exhaust fan 81.
Referring to fig. 7, after the upper surface of the soil filling bag 7 is flush with the ground, it can be described that the volume of the soil filling bag 7 is substantially equal to the volume of the drilled hole, and at this time, the soil is not required to be filled continuously, and in order to facilitate the worker to observe and control the amount of the discharged material, in the embodiment of the present invention, the pressure plate 71 is disposed at the upper end of the soil filling bag 7, and the upper end of the pressure plate 71 is connected to the discharge pipe 51 through the connection. In the process that the soil filling bag 7 is placed in the drill hole to be filled, the pressing plate 71 plays a role in compacting the sand in the filling bag, and workers can conveniently observe whether the top end of the soil filling bag 7 reaches the ground or not.
When drilling ground is when having the slope road surface, when the angle of punching is the tilt state for horizontal ground promptly, get material section of thick bamboo 32 and probably have the clearance with the road surface when having the slope road surface butt, probably make the basic unit raw materials of carrying auger 331 to carry probably spill over from the clearance, consequently this application embodiment is fixed on getting the border of material section of thick bamboo 32 bottom surface and is provided with the deformable layer, and the deformable layer is the rubber material. The rubber layer has a sealing effect on the gap between the material taking barrel 32 and the road surface, so that the base raw material conveyed by the conveying auger 331 on the rotary roller 33 is not easy to overflow to the outer side of the material taking barrel 32.
The implementation principle of embodiment 2 of the present application is as follows: during drilling, the rotating roller 33 is located above the drilling position to realize drilling operation, when the drilling volume needs to be measured, the second motor 141 drives the turntable 112 to rotate through the driving gear 142, the angle is preset on the turntable 112, the soil filling bag 7 is located above the drilling, the electric push rod drives the soil filling bag 7 to fall into the drilling hole, the control electromagnetic valve 511 is opened, sandy soil in the funnel 5 falls into the soil filling bag 7 to fill the drilling hole, the volume of the soil filling bag 7 is the drilling volume when the drilling hole is filled, and further accurate measurement of the drilling volume is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A measuring device for road pavement structure layer compactness, includes: the material taking assembly (3) comprises a material taking barrel (32), a rotating roller (33), a first driving piece (34), a reset piece (35) and a limiting barrel (36), the bottom end of the material taking barrel (32) is in an open shape, a conveying auger (331) is fixedly connected to the outer peripheral wall of the rotating roller (33), the rotating roller (33) is positioned on the inner side of the material taking barrel (32) and is coaxially arranged with the material taking barrel (32), the output shaft of the first driving piece (34) is coaxially arranged with the axis of the material taking barrel (32), the output shaft of the first driving piece (34) penetrates through the center of the upper end face of the limiting barrel (36) and the center of the upper end face of the material taking barrel (32) and then is fixedly connected with the rotating roller (33) to drive the rotating roller (33) to rotate, the output shaft of the first driving piece (34) is rotatably connected with the limiting barrel (36), and the output shaft of the first driving piece (34) is matched with the material taking barrel (32) along the insertion axis of the, the axial length of the material taking barrel (32) is greater than that of the rotary roller (33), and the inner diameter of the material taking barrel (32) is matched with the outer diameter of the conveying auger (331); reset the one end of piece (35) and get one end fixed connection that open form was kept away from in feed cylinder (32), the other end and support body (1) fixed connection, when piece (35) that resets were in the expansion state, rotatory roller (33) bottom was located and gets feed cylinder (32) inside, the bottom fixedly connected with nail chi (332) of piece (35) that resets are kept away from of rotatory roller (33).
2. The device for measuring the compactness of the road pavement structure layer according to claim 1, wherein the frame body (1) is provided with a guide hole (111), the frame body (1) is slidably connected with a guide post (31) along the axial direction of the material taking barrel (32), the guide post (31) penetrates through the guide hole (111) and is slidably connected with the guide hole (111), and the guide post (31) is fixedly connected with the first driving piece (34).
3. A road pavement structure compactness measuring device according to claim 2, characterized in that the frame body (1) comprises a fixing plate (11) and supporting legs (12), the guide holes (111) are arranged on the fixing plate (11), the supporting legs (12) are fixedly connected to one side of the fixing plate (11) close to the reset piece (35), and the bottom of the supporting legs (12) are in threaded connection with the adjusting supports (121).
4. A measuring device for the compaction of a road pavement structure according to claim 3, characterized in that a leveling device (13) is provided on the fixing plate (11).
5. The device for measuring the compactness of the road pavement structure according to claim 2, wherein the frame body (1) is provided with a cylinder (4), the cylinder body of the cylinder (4) is fixedly arranged on the frame body (1), the piston rod of the cylinder (4) is fixedly connected with the outer peripheral wall of the guide post (31), and the axis of the cylinder (4) is parallel to the axis of the guide post (31).
6. The device for measuring the compaction degree of a road pavement structure according to claim 1, wherein a deformable layer is fixedly provided on the edge of the bottom surface of the material taking cylinder (32).
7. A road pavement structure compactness measuring device according to claim 5, characterized in that a handle (311) is fixedly arranged on the guide post (31), an inserting rod (41) is fixedly arranged on a piston rod of the cylinder (4), the inserting rod (41) penetrates through the handle (311), a first abutting plate (411) and a second abutting plate (412) are fixedly arranged on the inserting rod (41), the first abutting plate (411) abuts against the lower surface of the handle (311), the second abutting plate (412) abuts against the upper surface of the handle (311), a first pressure sensor is arranged on the first abutting plate (411), and the first pressure sensor is used for detecting the weight of the material taking assembly (3).
8. The apparatus for measuring the compaction degree of a road pavement structure according to claim 1, a funnel (5) is arranged on the frame body (1), an expansion piece (6) is arranged at the discharge outlet of the funnel (5), the fixed end of the expansion piece (6) is fixedly arranged at the discharge outlet of the funnel (5), the expansion end of the expansion piece (6) is fixedly connected with a discharge pipe (51), an electromagnetic valve (511) is arranged on the discharge pipe (51), a soil filling bag (7) is sleeved on the outer peripheral wall of one end of the discharge pipe (51) far away from the funnel (5), the soil filling bag (7) is relatively fixed with the discharge pipe (51), the upper end of the soil filling bag (7) is communicated with the discharge pipe (51), a dust suction pipe (8) is arranged on the discharge pipe (51), one end of the dust suction pipe (8) is connected with a dust extraction fan (81), and the other end is positioned on one side of the electromagnetic valve (511) close to the soil filling bag (7).
9. The device for measuring the compactness of a road pavement structure according to claim 8, wherein the frame body (1) is rotatably connected with a rotary table (112), the rotary table (112) is connected with a second driving member (14), the material taking barrel (32) and the funnel (5) are both fixedly arranged on the rotary table (112), and the distance between the axis of the material taking barrel (32) and the circle center of the rotary table (112) and the distance between the axis of the funnel (5) and the circle center of the rotary table (112) are equal.
10. The device for measuring the compaction degree of a road pavement structure according to claim 9, wherein a pressure plate (71) is provided at one end of the soil bag (7) near the discharge pipe (51), and an upper end of the pressure plate (71) is connected to the discharge pipe (51) through a connection line (711).
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| CN202110131636.XA CN112945615A (en) | 2021-01-30 | 2021-01-30 | Measuring device for road pavement structural layer compactness |
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Cited By (1)
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|---|---|---|---|---|
| CN115876140A (en) * | 2023-02-14 | 2023-03-31 | 中斯峰然建设有限公司 | Highway engineering construction thickness check out test set |
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