CN114541236A - Highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device - Google Patents
Highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device Download PDFInfo
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- CN114541236A CN114541236A CN202210251809.6A CN202210251809A CN114541236A CN 114541236 A CN114541236 A CN 114541236A CN 202210251809 A CN202210251809 A CN 202210251809A CN 114541236 A CN114541236 A CN 114541236A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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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 an automatic assembling and disassembling type core drilling thickness measurement evaluation device for a road surface of highway engineering, and belongs to the technical field of automatic assembling and disassembling type core drilling thickness measurement evaluation of the road surface of highway engineering. An automatic loading and unloading type core drilling thickness measurement evaluation device for a road surface in highway engineering comprises an assembly frame and a sampling mechanism, wherein the sampling mechanism is arranged on one side of the assembly frame; the measuring mechanism is arranged on the other side of the assembling frame and comprises a fixing ring, a positioning mechanism for positioning the core body is further arranged on the fixing ring towards the center side of the fixing ring, the measuring mechanism further comprises a communicating disc arranged on at least one side of the fixing ring, and the communicating disc can move towards the fixing ring under the external driving; an indicating rod is arranged on one side of the communicating disc; and a scale is fixedly arranged on one side of the assembly frame, and the indicating rod is arranged in a sliding manner relative to the scale. This device can be accurate measure the thickness of core.
Description
Technical Field
The invention relates to the technical field of automatic detachable core drilling thickness measurement and evaluation of highway engineering pavements, in particular to an automatic detachable core drilling thickness measurement and evaluation device of a highway engineering pavement.
Background
In the pavement engineering, the thickness of each structural layer is closely related to the overall bearing capacity of the road, and only under the condition of ensuring the thickness, each layer and the overall strength of the pavement can be ensured. In addition, the thickness of each structural layer is strictly controlled, and the height of the road surface can be controlled to a certain extent. The detection of the thickness of the road surface of the highway engineering usually provides that the thickness of a drilled test piece is measured or a pit digging method is taken as a standard test method, and the detection belongs to destructive detection. For example, the patent document with the prior publication number of CN111442732A provides an automatic loading and unloading type core drilling thickness measurement evaluation device and method for road engineering road surfaces, the device reduces the manpower work by installing a cantilever crane on a transport vehicle, and utilizes the cantilever crane to lift, load and unload a drilling and core drilling machine, the safety is high, the efficiency is improved, a pull ring provides a parking positioning point for the transport vehicle, the transport vehicle stops beside the pull ring, the cantilever crane is utilized to lift, load and unload the drilling and core drilling machine, when the drilling and core drilling machine is on the road surface, the position of the drilling and core drilling machine is moved through a wheel of the drilling and core drilling machine, the pull ring provides a positioning point for the core drilling of the drilling and core drilling machine, a drill barrel of the drilling and core drilling machine is aligned to the pull ring, the core drilling of road engineering road surface sampling points is realized, and the core drilling is reliable and stable. Although the device has more beneficial effects, the following problems still exist: the device is at electronic rocking wheel through steel wire and couple at the uniform velocity promotion during the road surface core appearance, because there is the clearance between road surface core appearance and the bore section of thick bamboo, lead to the road surface core appearance at the in-process that upwards promotes, can take place the swing, lead to the road surface core appearance can be to the increase to infrared transmitting tube's the distance of sheltering from when taking place the slope, and then lead to the thickness result of actual measurement to be bigger than normal, reduce monitoring result's reliability. In view of this, we propose a highway engineering road surface auto-assembling and disassembling type core drilling thickness measurement evaluation device.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an automatic detachable core drilling thickness measurement evaluation device for a road surface in highway engineering, which aims to solve the problems in the background technology.
2. Technical scheme
An automatic loading and unloading type core drilling thickness measurement evaluation device for a road surface of highway engineering comprises an assembly frame; the sampling mechanism is arranged on one side of the assembly frame and comprises a motor arranged on one side of the assembly frame in a sliding mode and a drill cylinder driven by the motor; the measuring mechanism is arranged on the other side of the assembling frame and comprises a fixing ring, a core to be measured is placed in the fixing ring, a positioning mechanism used for positioning the core is further arranged on the fixing ring towards the center side of the fixing ring, a communication disc is arranged on at least one side of the fixing ring, and the communication disc can move towards the fixing ring under the external driving; an indicating rod is further arranged on one side of the communication disc; and a scale is fixedly arranged on one side of the assembly frame, and the indicating rod is arranged in a sliding manner relative to the scale.
As an alternative of the technical scheme of the application, a sliding block a is fixedly arranged on one side of the motor, and a sliding groove is formed in one side of the sliding block a facing the assembling frame; the sliding block is sleeved on the assembling frame in a sliding manner through the sliding groove; one side of the assembling frame, which faces the sliding block, is provided with a tooth socket; a gear is rotatably arranged in the sliding block, a rotating handle is fixedly connected to the axis of the gear, and the rotating handle penetrates out of the sliding block.
As an alternative of the technical solution of the present application, a positioning mechanism for clamping the core body is arranged in the drill cylinder, the positioning mechanism includes at least one movable baffle plate arranged in the rotary cylinder, and a notch is formed in the drill cylinder corresponding to the movable baffle plate; a threaded rod A is rotatably arranged in the drill cylinder, and the movable baffle is in threaded connection with the threaded rod A; and when the threaded rod A is rotated, the movable baffle plate slides relative to the drill barrel.
As an alternative of the technical solution of the present application, the number of the movable baffles is two, and the two movable baffles are arranged oppositely, and correspondingly, the two notches are arranged oppositely; the two movable baffles are in threaded connection with two threaded sections of the same threaded rod A in opposite threaded directions.
As an alternative of the technical solution of the present application, the positioning mechanism includes a connection ring disposed on at least one side of the fixing ring, the fixing ring and the connection ring are provided with a same rotation rod in a penetrating manner, the rotation rod is provided with a polished rod section in a penetrating manner, and the connection ring is provided with a threaded section in a penetrating manner; the positioning mechanism further comprises a plurality of positioning wheels which are arranged along the circumference of the fixed ring, connecting rods are movably connected to the two sides of the positioning wheels, and the other ends of the connecting rods are hinged to the fixed ring and the connecting ring respectively.
As an alternative scheme of the technical scheme of the application, the number of the connecting rings is two, and the two connecting rings are oppositely arranged on two sides of the fixing ring; the two connecting rings are respectively in threaded connection with two threaded sections of the same rotating rod in opposite threaded directions.
As an alternative of the technical solution of the present application, the measuring mechanism further includes a sliding block B, the sliding block B is fixedly connected with the communication disc, and the sliding block B can move along the mounting bracket under the action of an external force; one side of the communication disc, which faces the fixing ring, is fixedly provided with at least one hydraulic cylinder A, a piston rod is arranged in the hydraulic cylinder A in a sliding mode, and a rod body part of the piston rod penetrates out of the hydraulic cylinder A and is arranged towards the fixing ring; the communication disc is far away from one side of the hydraulic cylinder A is fixedly provided with a hydraulic cylinder B, a piston rod B is arranged in the hydraulic cylinder B in a sliding mode, the rod body end of the piston rod B penetrates out of the hydraulic cylinder B and is fixedly connected with the indicating rod, and the communication disc is communicated with the hydraulic cylinder A and the hydraulic cylinder B.
As an alternative of the technical solution of the present application, a spring is sleeved on a part of the outer wall of the piston rod located in the hydraulic cylinder B.
As an alternative of this application technical scheme, the intercommunication dish is for setting up relatively two of solid fixed ring both sides, and two all be provided with hydraulic cylinder A and hydraulic cylinder B on the intercommunication dish, with the downside hydraulic cylinder B sliding connection the rod body end and a length of piston rod B offset the pole and be connected fixedly, just the length offsets the pole and slides and wear to locate in the cavity of seting up in the sighting rod.
As an alternative of this application technical scheme, slider B slip cap is located the outside of scale, just slider B keeps away from one side threaded connection of scale has a threaded rod B, threaded rod B receive drive in one fixed set up in drive arrangement on the assembly jig.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the invention, by arranging the positioning mechanism, the core body can be fixed by the positioning wheels in the positioning mechanism, so that the core body is parallel to the device, the core body can be conveniently and accurately measured by the measuring mechanism, and the problems that when an original device lifts the road surface core sample at a constant speed through a steel wire and a hook, the road surface core sample swings in the upward lifting process due to the gap between the road surface core sample and the drill cylinder, the shielding distance of the infrared emission tube is increased when the road surface core sample inclines, the actually measured thickness result is larger, and the reliability of the monitoring result is reduced are effectively solved.
(2) According to the invention, the piston rods A are arranged in the measuring mechanism, so that when the measuring mechanism measures the core body, the piston rods A can be in contact with multiple positions on the surface of the core body, hydraulic pressure in the hydraulic cylinder A is conveyed into the hydraulic cylinder B through the piston rods A, and the cross section area of the hydraulic cylinder B is the sum of the cross section areas of the hydraulic cylinders A, so that the rising value of the liquid level in the hydraulic cylinder B can reflect the average value of relative movement of the piston rods A relative to the communication disc, and the problem of overlarge measuring error caused by uneven surface of the core body can be reduced when the device carries out side measurement on the core body, namely the device can improve the reliability of measured data.
(3) According to the invention, the movable baffles are arranged on the two sides of the drilling barrel in the sampling mechanism, so that after the core body is drilled, the two movable baffles can move towards the middle by rotating the threaded rod A to clamp the core body, the core body can be taken out of a drilled hole along with the lifting of the drilling barrel, the use by a user is facilitated, and the measuring efficiency of the device is further improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an automatic detachable core drilling thickness measurement evaluation device for a road surface in highway engineering according to a preferred embodiment of the present application;
FIG. 2 is an exploded view of the overall structure of the automatic detachable core drilling thickness measurement evaluation device for road surface in road construction according to a preferred embodiment of the present application;
FIG. 3 is a schematic diagram of a sampling structure of the automatic detachable core drilling thickness measurement evaluation device for road surface in road engineering according to a preferred embodiment of the present application;
FIG. 4 is a schematic view of a measuring structure of the automatic detachable core drilling thickness measuring evaluation device for road surface in road engineering according to a preferred embodiment of the present application;
FIG. 5 is a schematic view of a positioning mechanism of the automatic detachable core drilling thickness measurement evaluation device for road surface in road construction according to a preferred embodiment of the present application;
FIG. 6 is a disassembled view of the measuring structure of the automatic detachable core drilling thickness measuring evaluation device for road surface of highway engineering in accordance with a preferred embodiment of the present application;
the reference numbers in the figures illustrate: 1. an assembly frame; 2. a tooth socket; 3. a limiting groove; 4. a sampling mechanism; 5. a measuring mechanism; 6. an electric motor; 7. a slide block A; 8. a chute; 9. a gear; 10. rotating the handle; 11. drilling a barrel; 12. a notch; 13. a movable baffle; 14. a threaded rod A; 15. a positioning mechanism; 16. adjusting a hand wheel; 17. a core body; 18. a communication disc; 19. a hydraulic cylinder A; 20. a piston rod A; 21. a hydraulic cylinder B; 22. a piston rod B; 23. a spring; 24. an indication lever; 25. a scale; 26. a length-counteracting rod; 27. a slide block B; 28. a threaded rod B; 29. a drive device; 30. a fixing ring; 31. rotating the rod; 32. positioning a rod; 33. a connecting ring; 34. positioning wheels; 35. a connecting rod.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides a highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device, as shown in figure 1, including assembly jig 1, assembly jig 1 can load and unload through the cantilever crane on the transport vechicle, and tooth's socket 2 has been seted up to assembly jig 1 right side, the left side is equipped with spacing groove 3, and assembly jig 1 right side is equipped with sampling mechanism 4, and assembly jig 1 left side is equipped with solid fixed ring 30 and the measuring mechanism 5 of placing core 17, and the core 17 outside is equipped with positioning mechanism 15.
So that the present apparatus can position the core 17 by the positioning mechanism 15.
Specifically, as shown in fig. 2 and 3, the sampling mechanism 4 includes a motor 6, a slider a7 is arranged on the rear side of the motor 6, a sliding groove 8 is formed in the left portion of the slider a7, a gear 9 is arranged in the middle of the slider a7, a rotating handle 10 is connected in the middle of the gear 9, a drill barrel 11 is arranged below the motor 6, notches 12 are symmetrically formed in two sides of the drill barrel 11, a movable baffle 13 is arranged in each notch 12, and a threaded rod a14 is arranged on the upper portion of the movable baffle 13.
So that the user can control the up and down movement of the drill barrel 11 by turning the handle 10.
Further, as shown in fig. 3 again, the motor 6 is fixedly installed with the slide block a7, the chute 8 is slidably connected with the mounting bracket 1, the gear 9 is fixedly connected with the rotating handle 10, the rotating handle 10 is rotatably connected with the slide block a7, the gear 9 is engaged with the tooth space 2, and the output end of the motor 6 is fixedly connected with the drill barrel 11.
So that the motor 6 can move along the jig 1.
Still further, the movable baffle 13 is connected with the notch 12 in a sliding mode, the movable baffle 13 is connected with the threaded rod A14 in a threaded mode, symmetrical threads are arranged on the threaded rod A14, the threaded rod A14 is connected with the drill barrel 11 in a sliding mode, and an adjusting hand wheel 16 is fixed at one end of the threaded rod A14.
So that the flapper 13 can clamp the core 17.
Further, as shown in fig. 4, the measuring mechanism 5 includes a communication disc 18, the upper and lower sides of the core 17 are provided with the communication disc 18, the inner side of the communication disc 18 is provided with a plurality of hydraulic cylinders a19, a piston rod a20 is provided in the hydraulic cylinder a19, the outer side of the communication disc 18 is provided with a hydraulic cylinder B21, a piston rod B22 is provided in the hydraulic cylinder B21, the outer side of the piston rod B22 is sleeved with a spring 23, the upper portion of the piston rod B22 located above is connected with an indicating rod 24, one end of the indicating rod 24 is provided with a scale 25, the lower end of the scale 25 is provided with a length offsetting rod 26, the middle portion of the communication disc 18 located above is provided with a slider B27, the middle portion of the slider B27 is provided with a threaded rod B28, and the upper portion of the threaded rod B28 is provided with a driving device 29.
So that the indicator rod 24 and the scale 25 can indicate the thickness of the core body 17.
It should be noted that, as shown in fig. 6, the communication disc 18 is communicated with both the hydraulic cylinder a19 and the hydraulic cylinder B21, the communication disc 18, the hydraulic cylinder a19 and the hydraulic cylinder B21 are filled with hydraulic oil, and the piston rod B22 can apply pressure to the hydraulic oil by the spring 23, so that the hydraulic oil can push the piston rod a20 in the hydraulic cylinder a19 outward.
The position of the piston rod A20 is changed, and the position of the piston rod B22 can be changed by pushing hydraulic oil
It is worth noting that the cross-sectional area of the hydraulic cylinder B21 is equal to the sum of the cross-sectional areas of the hydraulic cylinders A19, the piston rod B22 is in sliding connection with the hydraulic cylinder B21, the piston rod A20 is in sliding connection with the hydraulic cylinder A19, the threaded rod B28 is in threaded connection with the sliding block B27, the sliding block B27 is in sliding connection with the limiting groove 3, and the driving device 29 can drive the threaded rod B28 to rotate.
So that the device can reliably measure the core body 17 with uneven surface.
In addition, as shown in fig. 6 again, the indicating rod 24 is fixedly connected to the piston rod B22 located at the upper portion, the indicating rod 24 is fixedly connected to the length-canceling rod 26, the length-canceling rod 26 is fixedly connected to the piston rod B22 located at the lower portion, and the length of the length-canceling rod 26 is twice the distance between the outer ends of the piston rod B22 and the piston rod a20 located at the upper portion, that is, the overall height of the measuring mechanism 5 is measured when the inner ends of the upper and lower piston rods a20 are in contact.
So that the indicator lever 24 and the length-canceling lever 26 can be changed as the position of the piston rod B22 is changed.
Furthermore, the positioning mechanism 15 includes a fixing ring 30, the fixing ring 30 is provided with a rotating rod 31 and a plurality of positioning rods 32, the upper and lower sides of the rotating rod 31 are provided with connecting rings 33, a plurality of positioning wheels 34 are arranged below the connecting rings 33, and two connecting rods 35 are symmetrically arranged on two sides of the positioning wheels 34.
So that the positioning wheel 34 can fix the core 17.
As shown in fig. 5, the fixing ring 30 is fixedly connected to the mounting bracket 1, the fixing ring 30 is fixedly connected to the positioning rod 32 and rotatably connected to the rotating rod 31, the rotating rod 31 is symmetrically threaded, the rotating rod 31 is threadedly connected to the connecting ring 33, the connecting ring 33 is rotatably connected to the connecting rod 35, the connecting rod 35 is rotatably connected to the positioning wheel 34, and the connecting rod 35 is rotatably connected to the fixing ring 30.
So that the position of the positioning wheel 34 can be changed by changing the distance between the fixed ring 30 and the connection ring 33 when the rotating rod 31 rotates.
When the automatic loading and unloading type core drilling thickness measurement evaluation device for the road surface of the highway engineering is used, the device is firstly placed to a sampling point through a cantilever crane on a transport vehicle; and then, the motor 6 is controlled to drive the drill barrel 11 to rotate, the handle 10 is rotated to enable the handle 10 to move downwards in the tooth grooves 2 through driving the gear 9, the drill barrel 11 is pushed downwards, the handle 10 is rotated continuously, downward acting force is applied to the drill barrel 11, the drill barrel 11 can drill into the road surface, and after the drill barrel 11 drills into the road surface to reach the specified depth, the motor 6 is stopped to rotate.
The two movable baffle plates 13 on the threaded rod A14 can move inwards relatively by rotating the adjusting hand wheel 16 to clamp the core body 17, and finally the drill barrel 11 is lifted upwards by rotating the rotating handle 10 in the reverse direction and the core body 17 in the drill barrel 11 is taken out by rotating the adjusting hand wheel 16 in the reverse direction.
The core body 17 is then placed on top of the piston rod a20 at the lower part of the measuring mechanism 5, and the rotating rod 31 is rotated, so that the rotating rod 31 can push the connecting ring 33 toward the fixed ring 30, so that the connecting rod 35 can push the positioning wheel 34 inward, so that the positioning wheel 34 can fix the core body 17.
The drive device 29 is controlled again to drive the threaded rod B28 to rotate, so that the threaded rod B28 can push the communication disc 18 at the upper part downwards through the slider B27, the piston rod a20 at the lower part of the communication disc 18 is in contact with the upper part of the core 17, when the slider B27 applies pressure to the communication disc 18, the piston rod a20 will contract into the hydraulic cylinder a19 under the interaction with the core 17, the hydraulic oil in the hydraulic cylinder a19 is moved and pushed into the hydraulic cylinder B21, the liquid level in the hydraulic cylinder B21 rises and pushes the piston rod B22, because the cross-sectional area of the hydraulic cylinder B21 is equal to the sum of the cross-sectional areas of the plurality of hydraulic cylinders a19, when the piston rod a20 is in contact with the surface of the core 17, through the liquid level design, the distance that the piston rod B22 rises is an average value of the distance that the plurality of piston rods a20 move relative to the hydraulic cylinder a19, and the slider B27 continues to push downwards, because the piston rod a20 is in close contact with the surface of the core 17, the relative movement to the core 17 cannot be continued, so that the positions of the two piston rods B22 are no longer changed relative to the core 17, so that the position of the indicating rod 24 on the scale 25 does not change with the change of the position of the slide B27, the rotation of the threaded rod B28 is stopped, and the scale number of the indicating rod 24 on the scale 25 at this time is recorded, which is the average thickness of the multi-point measurement of the core 17.
Claims (10)
1. An automatic loading and unloading type core drilling thickness measurement evaluation device for a road surface of highway engineering is characterized by comprising,
an assembly frame;
the sampling mechanism is arranged on one side of the assembly frame and comprises a motor arranged on one side of the assembly frame in a sliding mode and a drill cylinder driven by the motor;
measuring mechanism, measuring mechanism sets up the opposite side of assembly jig, measuring mechanism includes a solid fixed ring, and the volume of awaiting measuring core is placed in the solid fixed ring, just gu fixed ring still is provided with the positioning mechanism who is used for fixing a position the core towards its central side, just
The measuring mechanism further comprises a communication disc arranged on at least one side of the fixing ring, and the communication disc can move towards the fixing ring under the external driving; an indicating rod is further arranged on one side of the communication disc;
and a scale is fixedly arranged on one side of the assembly frame, and the indicating rod is arranged in a sliding manner relative to the scale.
2. The automatic loading and unloading type core drilling thickness measurement evaluation device for the road engineering pavement according to claim 1, wherein a slide block A is fixedly arranged on one side of the motor, and a sliding groove is formed in one side, facing the assembly frame, of the slide block A;
the sliding block is sleeved on the assembling frame in a sliding manner through the sliding groove;
one side of the assembling frame, which faces the sliding block, is provided with a tooth socket;
a gear is rotatably arranged in the sliding block, a rotating handle is fixedly connected to the axis of the gear, and the rotating handle penetrates out of the sliding block.
3. The device for automatically loading and unloading type core drilling thickness measurement and evaluation according to claim 1, wherein a positioning mechanism for clamping the core body is arranged in the drilling barrel, the positioning mechanism comprises at least one movable baffle plate arranged in the rotary barrel, and
a notch is formed in the drill cylinder corresponding to the movable baffle;
a threaded rod A is rotatably arranged in the drill cylinder, and the movable baffle is in threaded connection with the threaded rod A; and when the threaded rod A is rotated, the movable baffle plate slides relative to the drill barrel.
4. The automatic loading and unloading type core drilling thickness measurement evaluation device for the road surface of the road engineering according to claim 3, wherein the number of the movable baffles is two, the two movable baffles are oppositely arranged and correspondingly,
the two notches are oppositely arranged;
the two movable baffles are in threaded connection with two threaded sections of the same threaded rod A in opposite threaded directions.
5. The device for automatically loading and unloading type core drilling thickness measurement and evaluation according to claim 1, wherein the positioning mechanism comprises a connecting ring arranged on at least one side of the fixing ring, the fixing ring and the connecting ring are provided with the same rotating rod in a penetrating manner, and the fixing ring and the connecting ring are provided with the same rotating rod in a penetrating manner
The fixed rod penetrates through the polished rod section of the rotating rod, and the connecting ring penetrates through the threaded section of the rotating rod;
the positioning mechanism further comprises a plurality of positioning wheels which are arranged along the circumference of the fixed ring, connecting rods are movably connected to the two sides of the positioning wheels, and the other ends of the connecting rods are hinged to the fixed ring and the connecting ring respectively.
6. The automatic loading and unloading type core drilling thickness measurement evaluation device for the road engineering road surface as claimed in claim 5, wherein the number of the connecting rings is two, and the two connecting rings are oppositely arranged on two sides of the fixing ring;
the two connecting rings are respectively in threaded connection with two threaded sections of the same rotating rod in opposite threaded directions.
7. The device for automatically loading and unloading type core drilling and thickness measuring evaluation on the road surface of the highway engineering according to claim 1, wherein the measuring mechanism further comprises a sliding block B, the sliding block B is fixedly connected with the communication disc, and the sliding block B can move along the assembly frame under the action of external force;
one side of the communication disc, which faces the fixing ring, is fixedly provided with at least one hydraulic cylinder A, a piston rod is arranged in the hydraulic cylinder A in a sliding mode, and a rod body part of the piston rod penetrates out of the hydraulic cylinder A and is arranged towards the fixing ring;
one side of the communication disc, which is far away from the hydraulic cylinder A, is fixedly provided with a hydraulic cylinder B, a piston rod B is arranged in the hydraulic cylinder B in a sliding manner, the rod body end of the piston rod B penetrates out of the hydraulic cylinder B and is fixedly connected with the indicating rod, and
the communication disc is communicated with the hydraulic cylinder A and the hydraulic cylinder B.
8. The device for automatically loading and unloading type core drilling thickness measurement and evaluation on the road engineering road surface according to claim 7, wherein a spring is sleeved on the outer wall of the part of the piston rod, which is positioned in the hydraulic cylinder B.
9. The device for automatically loading and unloading type core drill thickness measurement and evaluation according to claim 7, wherein the two communication discs are oppositely arranged at two sides of the fixing ring, a hydraulic cylinder A and a hydraulic cylinder B are respectively arranged on the two communication discs, a rod body end of the piston rod B which is slidably connected with the hydraulic cylinder B at the lower side is fixedly connected with a length counteracting rod, and the length counteracting rod is connected with the rod body end of the piston rod B which is slidably connected with the hydraulic cylinder B at the lower side
The length offsetting rod is slidably arranged in a cavity formed in the marker post in a penetrating mode.
10. The device for automatically assembling and disassembling core drill thickness measurement and evaluation according to claim 7, wherein the sliding block B is slidably sleeved outside the scale, and the sliding block B is arranged on the outer side of the scale
One side threaded connection that slider B kept away from the scale has a threaded rod B, threaded rod B receive drive in one fixed set up in drive arrangement on the assembly jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251809.6A CN114541236A (en) | 2022-03-15 | 2022-03-15 | Highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251809.6A CN114541236A (en) | 2022-03-15 | 2022-03-15 | Highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device |
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| Publication Number | Publication Date |
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| CN114541236A true CN114541236A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210251809.6A Pending CN114541236A (en) | 2022-03-15 | 2022-03-15 | Highway engineering road surface auto-control handling formula bores core thickness measurement evaluation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718419A (en) * | 2023-08-10 | 2023-09-08 | 新乡中铁公路发展有限公司 | Road and bridge detects with sampling device that punches |
Citations (7)
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| CN116718419A (en) * | 2023-08-10 | 2023-09-08 | 新乡中铁公路发展有限公司 | Road and bridge detects with sampling device that punches |
| CN116718419B (en) * | 2023-08-10 | 2023-12-08 | 新乡中铁公路发展有限公司 | Road and bridge detects with sampling device that punches |
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