CN116358919A - Pavement coring machine and method for expressway detection - Google Patents
Pavement coring machine and method for expressway detection Download PDFInfo
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- CN116358919A CN116358919A CN202310097833.3A CN202310097833A CN116358919A CN 116358919 A CN116358919 A CN 116358919A CN 202310097833 A CN202310097833 A CN 202310097833A CN 116358919 A CN116358919 A CN 116358919A
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 25
- 239000007921 spray Substances 0.000 description 11
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008400 supply water Substances 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
- 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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Abstract
The invention discloses a pavement coring machine for highway detection, which comprises a bracket, wherein a lifting base is arranged on the bracket, a driving piece is fixed on the base, and the output end of the driving piece is in transmission connection with a drill rod; the pull rod assembly is arranged on the top end of the drill rod in a penetrating mode and comprises a sleeve and a locking rod arranged in the sleeve in a penetrating mode, the locking rod is in threaded connection with the sleeve, a limiting piece is fixed on the support, the sleeve is supported through the limiting piece, one end of the sleeve penetrates through the top end of the drill rod and stretches into the drill rod, the sleeve is in sliding connection with the drill rod, the tail end of the sleeve is connected with a clamping piece used for clamping a sample core, and one end of the locking rod is in transmission connection with the clamping piece. The invention can realize that the cold water spraying position is close to the region to be cooled of the drill rod, improves the cooling effect, and simultaneously facilitates the sample core to be taken out from the drill hole.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a pavement coring machine and method for highway detection.
Background
After the expressway is built, the pavement needs to be sampled and related aspects are detected, and the conventional sampling mode is to drill holes and core the pavement by using a pavement core taking machine.
The main part of the road surface coring machine is the drilling rod, makes the tip of drilling rod stretch into the concrete layer through rotatory drilling rod to sample concrete layer cutting, at this in-process, need pour cold water to the drilling rod and be used for cooling the drill bit, on above-mentioned basis, after drilling finishes, the core that takes out of sample probably and drilling rod, and the core that takes out of sample is kept somewhere in the drilling after the drilling rod leaves concrete layer promptly, consequently later need operating personnel take out the core that takes out through extra equipment, and this process is comparatively loaded down with trivial details.
Therefore, the pavement coring machine and the pavement coring method for highway detection are provided, so that the cold water spraying position is close to the region to be cooled of the drill rod, the cooling effect is improved, and meanwhile, the sample core is conveniently taken out from the drill hole.
Disclosure of Invention
The invention aims to provide a pavement coring machine and a pavement coring method for highway detection, which are used for solving the problems in the prior art, enabling the cold water spraying position to be close to a region to be cooled of a drill rod, improving the cooling effect and facilitating the taking out of a sample core from a drill hole.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a pavement coring machine for highway detection, comprising,
the lifting base is arranged on the bracket, a driving piece is fixed on the base, and the output end of the driving piece is connected with a drill rod in a transmission way;
the pull rod assembly is arranged on the top end of the drill rod in a penetrating mode and comprises a sleeve and a locking rod arranged in the sleeve in a penetrating mode, the locking rod is in threaded connection with the sleeve, a limiting piece is fixed on the support, the sleeve is supported through the limiting piece, one end of the sleeve penetrates through the top end of the drill rod and stretches into the drill rod, the sleeve is in sliding connection with the drill rod, the tail end of the sleeve is connected with a clamping piece used for clamping a sample core, and one end of the locking rod is in transmission connection with the clamping piece;
the water supply piece is arranged on the base, the water outlet end of the water supply piece is communicated with the clamping piece through the sleeve, and the water spraying end on the clamping piece is correspondingly arranged on the inner wall of the drill rod.
Further, the holder include with the connecting frame of sleeve pipe one end rigid coupling, the connecting frame bottom is fixed with the water spray board through the connecting rod, be provided with the connecting plate in the connecting frame, it has the first connecting plate of two looks settings to articulate on the connecting plate, the other end of first connecting plate articulates there is the second even board, the second even board with the water spray board articulates, just the terminal rigid coupling of second even board has the clamping jaw, two the clamping jaw cooperation is right sample core centre gripping, the one end of locking lever stretches into in the connecting frame and with the connecting plate top is connected through the bearing.
Further, the sleeve is located one end outside the drill rod is closed and in threaded connection with the locking rod, the water supply piece comprises a water supply pump fixed on the base, the water outlet end of the water supply pump is communicated with the sleeve through a water supply pipe, a cavity is formed in the connecting frame, the connecting rod is a hollow rod, and a gap between the inner wall of the sleeve and the outer wall of the locking rod is communicated with the water spraying plate through the cavity and the hollow rod.
Further, the locating part include with the fixed L type limiting plate of support, offer on the L type limiting plate and supply the opening that the sleeve pipe passed, sleeve pipe outer wall rigid coupling has the backup pad, the backup pad is located L type limiting plate top, the backup pad with the opening matches, just the backup pad with the sleeve pipe rotates to be connected.
Further, the support comprises a bottom frame, two sliding rods which are arranged oppositely are fixed at the top end of the bottom frame, the top ends of the two sliding rods are fixedly connected through a top plate, and one side edge of the L-shaped limiting plate is fixedly connected with the top plate.
Further, the base comprises two sliding sleeves which are respectively sleeved on the sliding rods, the two sliding sleeves are fixed through a connecting frame, a frame plate is fixedly connected to one side of the connecting frame, a mounting seat is fixed to the other side of the connecting frame, the drill rod penetrates through the frame plate and is connected with the frame plate in a rotating mode, and the driving piece and the water supply pump are fixed to the mounting seat.
Further, a rotary screw rod is arranged on the top plate in a penetrating mode, the rotary screw rod is in threaded connection with the top plate, and the tail end of the rotary screw rod penetrates through the connecting frame and is in threaded connection with the connecting frame.
Further, the driving piece comprises a driving motor fixed at the bottom end of the mounting seat, a driving belt is arranged on an output shaft sleeve of the driving motor, the driving belt is sleeved on the outer wall of the drill rod, and the driving motor is in transmission connection with the drill rod through the driving belt.
Further, the bottom end of the underframe is fixedly connected with a plurality of universal wheels.
The application method of the pavement coring machine for highway detection comprises the following operation steps:
s1, positioning a drill rod: moving the underframe to align a drill bit on the drill rod to a position to be drilled;
s2, starting sampling: starting a driving motor and a water supply pump, rotating a rotary screw rod, and driving a drill rod to move towards the concrete layer;
s3, resetting the drill rod: after the drill rod stretches into the concrete layer to a preset depth, driving the rotary drill rod reversely to reset the drill rod;
s4, taking out the sample core: if the sample core is not positioned in the drill rod, rotating the sleeve and lowering the sleeve to extend the clamping jaw into a gap between the sample core and the concrete layer, then rotating the locking rod to drive the clamping jaw to fold and clamp the sample core, and finally lifting the sleeve.
The invention discloses the following technical effects:
1. the clamping piece is arranged in the drill rod, the water spraying end on the clamping piece is close to the surface of the concrete layer, when drilling is carried out, the water supply piece sprays water to the contact area between the drill rod and the concrete layer through the clamping piece, the drill rod is cooled in time, and the using effect of the drill rod is improved.
2. When drilling is finished, the sample core does not follow the drill rod to leave the concrete layer, the sleeve is lowered to enable the clamping part of the clamping piece to stretch into a gap between the sample core and the concrete layer, then the locking rod is rotated, the sleeve is lifted after the sample core is clamped, the sample core can be taken out, extra taking-out equipment is not needed in the process, and the sample core is convenient to take out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a coring machine;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a perspective view of the coring machine with the drill pipe removed;
FIG. 4 is a perspective view of the connection of the sleeve to the clamp;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view of the clamp;
FIG. 7 is a flow chart of the coring machine sampling step;
the hydraulic rotary drill rod comprises a 1-drill rod, a 2-sleeve, a 3-locking rod, a 4-connecting frame, a 5-connecting rod, a 6-water spraying plate, a 7-connecting plate, an 8-first connecting plate, a 9-second connecting plate, a 10-clamping jaw, an 11-short rod, a 12-water supply pump, a 13-cavity, a 14-L-shaped limiting plate, a 15-notch, a 16-supporting plate, a 17-underframe, a 18-sliding rod, a 19-sliding sleeve, a 20-connecting frame, a 21-underframe, a 22-mounting seat, a 23-rotary screw, a 24-driving motor, a 25-driving belt, a 26-bearing, a 27-universal wheel, a 28-water supply pipe, a 29-top plate, a 30-reinforcing frame, a 31-armrest frame and a 32-rotary disc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, the invention provides a road surface coring machine for highway detection, which comprises a bracket, wherein a lifting base is arranged on the bracket, a driving piece is fixed on the base, and the output end of the driving piece is in transmission connection with a drill rod 1; the pull rod assembly is arranged at the top end of the drill rod 1 in a penetrating way, the pull rod assembly comprises a sleeve 2 and a locking rod 3 arranged in the sleeve 2 in a penetrating way, the locking rod 3 is in threaded connection with the sleeve 2, a limiting piece is fixed on the bracket, the sleeve 2 is supported by the limiting piece, one end of the sleeve 2 penetrates through the top end of the drill rod 1 and stretches into the drill rod 1, the sleeve 2 is in sliding connection with the drill rod 1, the tail end of the sleeve 2 is connected with a clamping piece used for clamping a sample core, and one end of the locking rod 3 is in transmission connection with the clamping piece; the water supply piece is arranged on the base, the water outlet end of the water supply piece is communicated with the clamping piece through the sleeve 2, and the water spraying end on the clamping piece is correspondingly arranged on the inner wall of the drill rod 1.
When carrying out the sample operation, remove the support to the preset position, and make drilling rod 1 aim at the district of waiting to bore, then start driving piece and water supply spare, driving piece drive drilling rod 1 is rotatory and supply water in to sleeve pipe 2, rivers are spouted to drilling rod 1 inner wall by the holder and are flowed by drilling rod 1 end position, then manual drive, make the base descend on the support, the drill bit that the base drove drilling rod 1 contacts concrete road surface and sample, in this process, sleeve pipe 2 is static under the effect of locating part, drilling rod 1 is rotatory and descends for sleeve pipe 2, after waiting to sample, reset the base, drive drilling rod 1 and upwards move, there are two kinds of circumstances in this process.
Specifically, one of the conditions is that the sample core moves up along with the drill rod 1, so that in the sample core moving up process, the top end of the sample core is in contact with the clamping piece, the sample core can drive the clamping piece and the sleeve 2 to move up, after the sample core moves up, the outer wall of the drill rod 1 can be knocked, the sleeve 2 is matched to move down, and the sample core is taken out from the drill rod 1.
Specifically, another situation is that the sample core does not move up along with the drill rod 1, the limiting relation between the sleeve 2 and the limiting part is relieved under the state, the sleeve 2 is manually held to drive the clamping part to move downwards, the clamping end of the clamping part stretches into a gap between the sample core and the concrete layer, then the locking rod 3 is rotated, the clamping end of the clamping part is driven by the locking rod 3 to clamp the sample core, finally the sleeve 2 is pulled up, the sample core is taken out, and the clamping of the sample core is relieved by directly disassembling the sample core through external force or reversely rotating the locking rod 3.
Further optimizing scheme, the holder includes the connecting frame 4 with sleeve pipe 2 one end rigid coupling, connecting frame 4 bottom is fixed with water spray plate 6 through connecting rod 5, be provided with connecting plate 7 in the connecting frame 4, it has the first link plate 8 of two opposite settings to articulate on the connecting plate 7, the other end of first link plate 8 articulates there is second link plate 9, second link plate 9 articulates with water spray plate 6, and the terminal rigid coupling of second link plate 9 has clamping jaw 10, two clamping jaw 10 cooperation are to the core centre gripping, the one end of locking lever 3 stretches into in the connecting frame 4 and is connected through bearing 26 with the connecting plate 7 top.
The connecting frame 4 is fixed on the sleeve 2 and is positioned in the drill rod 1, one end of the locking rod 3 is in threaded connection with the sleeve 2, the other end of the locking rod 3 is connected with the connecting plate 7 through the bearing 26, and therefore when the locking rod 3 is rotated, the connecting plate 7 is limited due to the fact that the connecting frame 4 and the first connecting plate 8 are matched, the locking rod 3 ascends or descends when the corresponding sleeve 2 rotates, the locking rod 3 drives the connecting plate 7 to ascend or descend, and under the action of the first connecting plate 8 and the second connecting plate 9, the two clamping jaws 10 positioned on the same side are close to or far away from each other, so that the clamping of a sample core is realized.
Specifically, the water spraying plate 6 is used for spraying cooling water, a plurality of spray heads are fixed on the side wall of the water spraying plate 6, and the spray heads are correspondingly arranged on the inner wall of the drill rod 1. In the drilling process of the drill rod 1, the drill rod 1 descends, the spray head always corresponds to the contact position of the drill rod 1 and the ground surface, and it can be understood that the spray head always sprays water to the contact position of the drill rod 1 and the ground surface, so that the part of the drill rod 1 entering the concrete layer or to be entering the concrete layer can be cooled, water consumption is saved on one hand, and the cooling effect is improved on the other hand.
Further, the four first connecting plates 8 are arranged, the four first connecting plates 8 are respectively arranged on two sides of the connecting plate 7 in pairs, and the corresponding clamping jaws 10 are arranged in four to improve the clamping effect on the sample core.
Further optimizing scheme, the sleeve pipe 2 is located the outer one end of drilling rod 1 and seals and with locking lever 3 threaded connection, and the water supply spare is including fixing the working shaft 12 on the base, and the delivery end of working shaft 12 communicates with sleeve pipe 2 through delivery pipe 28, has seted up cavity 13 in the connection frame 4, and connecting rod 5 is hollow pole, and cavity 13 and hollow pole and water spray plate 6 intercommunication are passed through in the space between sleeve pipe 2 inner wall and the locking lever 3 outer wall. The water supply pump 12 is used for providing power, and when drilling is performed, an external water source is needed to realize water supply operation, namely, the water supply pump 12 supplies water to the gap between the sleeve 2 and the locking rod 3 through the water supply pipe 28, and the water flow enters the connecting rod 5 through the cavity 13 of the connecting frame 4 and then enters the water spraying plate 6 and is sprayed out.
Wherein the top end of the sleeve 2 is closed, on the one hand, water is prevented from overflowing from the top of the sleeve 2, and on the other hand, the threaded connection of the locking rod 3 and the sleeve 2 is realized.
In particular, the water supply tube 28 is a flexible hose to provide for effective communication with the sleeve 2.
Further optimizing scheme, the locating part includes the L type limiting plate 14 fixed with the support, has seted up the opening 15 that supplies sleeve pipe 2 to pass on the L type limiting plate 14, and sleeve pipe 2 outer wall rigid coupling has backup pad 16, and backup pad 16 is located L type limiting plate 14 top, and backup pad 16 matches with opening 15, and backup pad 16 and sleeve pipe 2 rotate to be connected.
It will be appreciated that during normal drilling, the support plate 16 is placed transversely on the L-shaped limiting plate 14, and in this state the support plate 16 cannot pass through the gap 15, so that the casing 2 is supported by the L-shaped limiting plate 14, and when the sample core rises following the drill rod 1, the support plate 16 moves up following the casing 2, and when the sample core needs to be clamped by the clamping jaw 10, the support plate 16 is rotated to match with the gap 15, and in this state the support plate 16 can be made to pass through the gap 15, so that the downward movement of the casing 2 is realized.
Further optimizing scheme, the support includes a chassis 17, and the chassis 17 top is fixed with the slide bar 18 of two opposite settings, and two slide bar 18 tops are fixed through roof 29 connection, and a side and the roof 29 rigid coupling of L type limiting plate 14. The underframe 17 is used as a bottom supporting structure, and the specific structure is a frame body, two slide bars 18 are fixed at the top end and used as limiting supports, and a top plate 29 is fixed at the top end of the slide bars 18 and used for fixing the L-shaped limiting plates 14.
Further, the side wall of the top plate 29 is fixedly connected with a reinforcing frame 30 which is arranged oppositely, and the other end of the reinforcing frame 30 is fixedly connected with the top end of the bottom frame 17. The reinforcement frame 30 serves to increase the strength of the slide bar 18.
Further, an armrest frame 31 is fixedly connected to the top end of the underframe 17. The armrest frame 31 is used for an operator to move the coring machine.
Further optimizing scheme, the base includes two sliding sleeves 19 respectively set up on slide bar 18, fixes through link 20 between two sliding sleeves 19, and one side rigid coupling of link 20 has frame plate 21, and the opposite side of link 20 is fixed with mount pad 22, and drilling rod 1 wears to establish on frame plate 21 and rotates with frame plate 21 to be connected, and driving piece and working shaft 12 are fixed on mount pad 22. The sliding sleeve 19 drives the connecting frame 20 to move on the sliding rod 18, the frame plate 21 is used for supporting the drill rod 1 to rotate under the action of the driving piece, and the mounting seat 22 is used for placing the driving piece and the water supply pump 12.
In a further optimized scheme, a rotating screw rod 23 is arranged on the top plate 29 in a penetrating mode, the rotating screw rod 23 is in threaded connection with the top plate 29, and the tail end of the rotating screw rod 23 penetrates through the connecting frame 20 and is in threaded connection with the connecting frame 20. The rotating screw 23 is screwed to the top plate 29 and the link 20, and when the rotating screw 23 rotates, the link 20 is lifted or lowered by the rotating screw 23 because the link 20 is limited by the two slide bars 18.
Further, a rotating disc 32 is fixedly connected to the top end of the rotating screw 23, and an operator can conveniently rotate the rotating screw 23 due to the existence of the rotating disc 32.
Further optimizing scheme, the driving piece is including fixing the driving motor 24 in the mount pad 22 bottom, and driving motor 24's output axle sleeve is equipped with drive belt 25, and drive belt 25 cover is established at drilling rod 1 outer wall, and driving motor 24 passes through drive belt 25 and is connected with drilling rod 1 transmission. The driving motor 24 works and drives the drill rod 1 to rotate through the transmission belt 25.
Specifically, the top end of the drill rod 1 is fixedly connected with a short rod 11, and the short rod 11 is sleeved with another bearing and is connected with the frame plate 21 through the bearing. The short rod 11 and the output of the driving motor 24 are respectively sleeved and fixed with driving wheels, wherein a driving belt 25 is sleeved on the two driving wheels to realize the driving.
Further optimizing scheme, the chassis 17 bottom fixedly connected with a plurality of universal wheels 27. The presence of the universal wheel 27 may facilitate the overall movement of the coring machine.
Optionally, the universal wheel 27 is a bendable universal wheel structure, that is, the universal wheel 27 can support the chassis 17 to realize movement of the chassis 17, and meanwhile, the universal wheel 27 can be bent to enable the chassis 17 to be in contact with the ground to realize fixation of the chassis 17.
The application method of the pavement coring machine for highway detection comprises the following operation steps:
s1, positioning a drill rod 1: the chassis 17 is moved to align the drill bit on the drill rod 1 with the position to be drilled. The underframe 17 is transported to a preset position, the drill rod 1 is aligned with the region to be drilled and the universal wheel 27 is bent, and the underframe 17 is fixed.
S2, starting sampling: the driving motor 24 and the water supply pump 12 are started, the rotary screw 23 is rotated, and the drill rod 1 is driven to move towards the concrete layer. The water inlet end of the water supply pump 12 is inserted into water, the driving motor 24 and the water supply pump 12 are started, the driving motor 24 drives the drill rod 1 to rotate through the transmission belt 25, water in the water supply pump 12 enters the water spraying plate 6 through the sleeve 2, the cavity 13 and the connecting rod 5 and is sprayed to the inner wall of the drill rod 1, after the water flows out from the drill bit end of the drill rod 1, an operator rotates the rotary screw 23, and the connecting frame 20 drives the drill rod 1 to move downwards.
S3, resetting the drill rod 1: after the drill rod 1 extends into the concrete layer to a preset depth, the drill rod 1 is reversely driven to rotate so as to reset the drill rod 1. After the drilling is finished, the rotary screw 23 is reversely rotated, so that the drill rod 1 leaves the concrete layer and is reset, and if the sample core leaves the concrete layer along with the drill rod 1, the outer wall of the drill rod 1 is knocked to take out the sample core.
S4, taking out the sample core: if the sample core is not positioned in the drill rod 1, the sleeve 2 is rotated and the sleeve 2 is lowered to extend the clamping jaw 10 into a gap between the sample core and the concrete layer, then the locking rod 3 is rotated, the clamping jaw 10 is driven to fold and clamp the sample core, and finally the sleeve 2 is lifted. If the sample core is left in the drill hole, the rotary support plate 16 is matched with the notch 15, the handheld sleeve 2 moves downwards, the clamping jaw 10 is positioned between the sample core and the concrete layer, then the locking rod 3 is rotated, the connecting plate 7 moves downwards, the two clamping jaws 10 are close to clamp the sample core, then the sleeve 2 is lifted up to take out the sample core, after the sample core is taken out, the sample core is taken out through external force or the locking rod 3 is rotated reversely, and the two clamping jaws 10 are loosened.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. The utility model provides a highway detects with road surface core machine which characterized in that: comprising the steps of (a) a step of,
the lifting base is arranged on the bracket, a driving piece is fixed on the base, and the output end of the driving piece is in transmission connection with a drill rod (1);
the pull rod assembly is arranged at the top end of the drill rod (1) in a penetrating mode and comprises a sleeve (2) and a locking rod (3) arranged in the sleeve (2) in a penetrating mode, the locking rod (3) is in threaded connection with the sleeve (2), a limiting piece is fixed on the support, the sleeve (2) is supported through the limiting piece, one end of the sleeve (2) penetrates through the top end of the drill rod (1) and stretches into the drill rod (1), the sleeve (2) is in sliding connection with the drill rod (1), the tail end of the sleeve (2) is connected with a clamping piece used for clamping a sample core, and one end of the locking rod (3) is in transmission connection with the clamping piece;
the water supply piece is arranged on the base, the water outlet end of the water supply piece is communicated with the clamping piece through the sleeve (2), and the water spraying end on the clamping piece is correspondingly arranged on the inner wall of the drill rod (1).
2. The highway inspection pavement coring machine according to claim 1, wherein: the clamping piece comprises a connecting frame (4) fixedly connected with one end of the sleeve (2), a water spraying plate (6) is fixed at the bottom end of the connecting frame (4) through a connecting rod (5), a connecting plate (7) is arranged in the connecting frame (4), a first connecting plate (8) which is arranged oppositely is hinged on the connecting plate (7), a second connecting plate (9) is hinged at the other end of the first connecting plate (8), a clamping jaw (10) is fixedly connected at the tail end of the second connecting plate (9), the clamping jaw (10) is matched with the sample core, and one end of the locking rod (3) stretches into the connecting frame (4) and is connected with the top end of the connecting plate (7) through a bearing (26).
3. The highway inspection pavement coring machine according to claim 2, wherein: the casing (2) is located one end outside the drill rod (1) is closed and is in threaded connection with the locking rod (3), the water supply piece comprises a water supply pump (12) fixed on the base, the water outlet end of the water supply pump (12) is communicated with the casing (2) through a water supply pipe (28), a cavity (13) is formed in the connecting frame (4), the connecting rod (5) is a hollow rod, and a gap between the inner wall of the casing (2) and the outer wall of the locking rod (3) is communicated with the water spraying plate (6) through the cavity (13) and the hollow rod.
4. The highway inspection pavement coring machine according to claim 3, wherein: the limiting piece comprises an L-shaped limiting plate (14) fixed with the support, a notch (15) for the sleeve (2) to pass through is formed in the L-shaped limiting plate (14), a supporting plate (16) is fixedly connected to the outer wall of the sleeve (2), the supporting plate (16) is located above the L-shaped limiting plate (14), the supporting plate (16) is matched with the notch (15), and the supporting plate (16) is rotationally connected with the sleeve (2).
5. The highway inspection pavement coring machine according to claim 4, wherein: the support comprises a bottom frame (17), two oppositely arranged sliding rods (18) are fixed at the top end of the bottom frame (17), the top ends of the two sliding rods (18) are fixedly connected through a top plate (29), and one side edge of the L-shaped limiting plate (14) is fixedly connected with the top plate (29).
6. The highway inspection pavement coring machine according to claim 5, wherein: the base comprises two sliding sleeves (19) which are respectively sleeved on the sliding rods (18), the two sliding sleeves (19) are fixed through a connecting frame (20), one side of the connecting frame (20) is fixedly connected with a frame plate (21), the other side of the connecting frame (20) is fixedly provided with a mounting seat (22), the drill rod (1) penetrates through the frame plate (21) and is rotationally connected with the frame plate (21), and the driving piece and the water supply pump (12) are fixed on the mounting seat (22).
7. The highway inspection pavement coring machine according to claim 6, wherein: the rotating screw (23) is arranged on the top plate (29) in a penetrating mode, the rotating screw (23) is in threaded connection with the top plate (29), and the tail end of the rotating screw (23) penetrates through the connecting frame (20) and is in threaded connection with the connecting frame (20).
8. The highway inspection pavement coring machine according to claim 6, wherein: the driving piece comprises a driving motor (24) fixed at the bottom end of the mounting seat (22), a transmission belt (25) is arranged on an output shaft sleeve of the driving motor (24), the transmission belt (25) is sleeved on the outer wall of the drill rod (1), and the driving motor (24) is in transmission connection with the drill rod (1) through the transmission belt (25).
9. The highway inspection pavement coring machine according to claim 5, wherein: the bottom end of the underframe (17) is fixedly connected with a plurality of universal wheels (27).
10. The use method of the road surface coring machine for highway detection according to any one of claims 1 to 9, characterized in that: the operation steps comprise:
s1, positioning a drill rod (1): moving the underframe (17) to align a drill bit on the drill rod (1) to a position to be drilled;
s2, starting sampling: starting a driving motor (24) and a water supply pump (12), rotating a rotary screw (23), and driving the drill rod (1) to move towards the concrete layer;
s3, resetting the drill rod (1): after the drill rod (1) stretches into the concrete layer to a preset depth, the rotary drill rod (1) is driven reversely to reset the drill rod (1);
s4, taking out the sample core: if the sample core is not positioned in the drill rod (1), rotating the sleeve (2) and lowering the sleeve (2) to extend the clamping jaw (10) into a gap between the sample core and the concrete layer, then rotating the locking rod (3), driving the clamping jaw (10) to fold and clamp the sample core, and finally lifting the sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310097833.3A CN116358919A (en) | 2023-02-10 | 2023-02-10 | Pavement coring machine and method for expressway detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310097833.3A CN116358919A (en) | 2023-02-10 | 2023-02-10 | Pavement coring machine and method for expressway detection |
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| Publication Number | Publication Date |
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| CN116358919A true CN116358919A (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310097833.3A Pending CN116358919A (en) | 2023-02-10 | 2023-02-10 | Pavement coring machine and method for expressway detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686257A (en) * | 2023-12-14 | 2024-03-12 | 温州华晟道路桥梁设计研究有限公司 | Highway detects with road surface core machine |
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2023
- 2023-02-10 CN CN202310097833.3A patent/CN116358919A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686257A (en) * | 2023-12-14 | 2024-03-12 | 温州华晟道路桥梁设计研究有限公司 | Highway detects with road surface core machine |
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