CN219284725U

CN219284725U - Concrete coring device

Info

Publication number: CN219284725U
Application number: CN202320451621.6U
Authority: CN
Inventors: 战庆玉; 陈新; 李红兵; 由萌
Original assignee: Beidahuang Construction Group Co ltd
Current assignee: Beidahuang Construction Group Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-06-30
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a concrete coring device, which has the technical scheme that: the automatic sample placing device comprises a base and a drilling machine, wherein the drilling machine is arranged above the base, an extension shaft is fixed at the output end of the drilling machine in the vertical direction, a fixed shaft is fixed at the bottom end of the extension shaft, an annular knife is fixed at the end part of the fixed shaft, an annular sleeve is fixed at the upper end of the annular knife, the annular sleeve is hollow, an air nozzle is arranged at the bottom, a placing table is arranged in the base in a drawing manner, a plurality of sample placing cavities are arranged on the placing table, and an air pump for blowing to the inside of the annular sleeve and the sample placing cavities is fixed on the placing table; this concrete coring device is when coring, can carry out the jetting to the outside of annular sword to the dust removal is handled to the sample core that the intracavity was placed to the usable air pump, makes things convenient for follow-up detection experiment.

Description

Concrete coring device

Technical Field

The utility model relates to the field of construction detection devices, in particular to a concrete coring device.

Background

An important step in quality inspection of construction roads is to perform concrete coring, i.e., drilling a core sample from a concrete structure or member, preparing a concrete strength test piece, measuring the strength of the concrete core sample, which is used to check and verify the strength of the concrete of a building, or as a primary quality indicator for evaluating the structure.

The device comprises a base, a vertical rod arranged on the base, racks connected to the side surfaces of the vertical rod in parallel, a first motor shell sleeved on the periphery of the vertical rod and the racks, a first rotating motor and a gear arranged in the first motor shell, a second rotating motor connected with the outer side wall of the first motor shell, and a drill bit connected below a rotating shaft at the bottom of the second rotating motor in a transmission manner.

The prior art patent with the publication number of CN115200923A discloses a concrete coring machine, which relates to a concrete engineering test instrument and solves the problem of poor stability in the moving process of the concrete coring machine, and the concrete coring machine comprises a base and a coring machine body, wherein the base is provided with a mounting seat, the coring machine body is arranged on the mounting seat, the base is provided with a plurality of upper bottom posts, the mounting seat slides on the upper bottom posts in the height direction, lifting pieces are arranged on the upper bottom posts, the base is provided with lower bottom posts in one-to-one correspondence with the upper bottom posts, buffer springs are arranged between the upper bottom posts and the lower bottom posts, a plurality of rotating plates are connected on the lower bottom posts in a rotating way, the rotating plates are provided with clamping blocks, clamping grooves are formed in the upper bottom posts, and fixing components are arranged on the upper bottom posts.

Both of the above patents use a drill coring approach to achieve sampling, which is also the method currently used in the art, but the above patents and most other approaches currently suffer from drawbacks such as: because the chip sweeps are more during sampling, the chip sweeps cannot be blown away in time, the coring difficulty is increased, dust is fully distributed on the surface of the cored piece after coring, a test core cleaning function is not provided, and the follow-up detection is affected.

Disclosure of Invention

In view of the problems mentioned in the background, it is an object of the present utility model to provide a concrete coring device, to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a concrete coring device, includes base and drilling machine, the drilling machine is installed in the base top, the output of the vertical direction of drilling machine is fixed with the extension axle, the bottom mounting of extension axle has the fixed axle, the tip of fixed axle is fixed with annular sword, the upper end of annular sword is fixed with the ring cover, the ring cover is cavity form and has seted up the gas spout in the bottom, the pull is provided with in the base and places the platform, place bench and seted up a plurality of appearance core and placed the chamber, place bench and be fixed with and be arranged in to the ring cover, appearance core place the air pump of intracavity portion jetting.

This concrete coring device is when coring, can carry out the jetting to annular sword's outside, carry out the jetting to the dust, the heap of cutting into slit department promptly when annular sword cuts into the road surface, can effectively prevent to take place to block up the sword phenomenon when cutting, when the drilling machine starts to drive extension axle, fixed axle rotation, drive annular sword cutting sample after, removable sample is placed the sample core in place the platform and is convenient for follow-up collection and processing to the dust removal is handled to the sample core of the intracavity is placed to the usable air pump, makes things convenient for follow-up detection experiment.

Preferably, one of the air outlet ports of the air pump is fixed with a first air pipe, the other air outlet port of the air pump is fixed with a second air pipe, the end part of the first air pipe is communicated with the annular sleeve, a plurality of third air pipes are fixedly communicated with the second air pipe, and the third air pipes are respectively communicated with the sample core placing cavity.

Through adopting above-mentioned technical scheme, when the air pump starts, accessible first gas tube spouts gas in to the ring cover, and gas gets into the cavity of ring cover earlier in, can spout from the gas spouting mouth afterwards to carry out the jetting to the outer wall area of annular sword, blow away the outside of annular sword with grit dust etc..

Preferably, the first air pipe is provided with a first air control valve, the second air pipe is provided with a plurality of second air control valves, and the first air pipe and the second air pipe are respectively rubber hoses.

Through adopting above-mentioned technical scheme, utilize first pneumatic control valve on the first tracheal can control first tracheal break-make, utilize the second pneumatic control valve on the second tracheal can control the tracheal break-make of second, adopt the rubber hose to make first trachea, second trachea have sufficient margin, satisfy the core drilling demand to can improve life.

Preferably, the outside of extension axle is fixed with the carrier board, wear to be equipped with the depression bar in the carrier board, the jack that supplies depression bar tip male has been seted up at the top of annular sword, the outside of depression bar is fixed with the bulge loop, the outside cover of depression bar is equipped with the spring, the one end of spring is contradicted on the bulge loop, the other end of spring is contradicted on the carrier board.

Through adopting above-mentioned technical scheme, after the sample core is blocked in the annular sword, can press the depression bar in the supporting plate to drive the spring between bulge loop and the supporting plate and lengthen, thereby make the depression bar tip insert in the jack, thereby will block the sample core in the annular sword and push down, make things convenient for follow-up taking out.

Preferably, a cross rod is fixed on the outer part of the pressure rod, and the bottom end of the pressure rod is arranged to be conical.

Through adopting above-mentioned technical scheme, the outside fixed horizontal pole of depression bar can supply to press the manual pressure when pressing the depression bar, adopts the toper to make things convenient for the depression bar tip to impress to in the annular sword with the depression bar bottom.

Preferably, the top of fixed axle is fixed with the thread bush, thread bush threaded connection is in the bottom of extension axle, the outside of extension axle is fixed with the shaft shoulder, the outside threaded connection of shaft shoulder and thread bush has the fastening ring.

Through adopting above-mentioned technical scheme, when needs installation fixed axle and extension axle, can be with thread bush threaded connection in the outside of extension axle, make it contradict with the shoulder terminal surface, later can screw the fastening ring and realize secondary locking, two-way fixed can be effective.

Preferably, the placing table is provided with inclined grooves at the sample core placing cavities, and the inclined grooves are respectively arranged in an inclined manner.

Through adopting above-mentioned technical scheme, the setting in the mouth groove of leaning on can be when the third trachea is to the injection of appearance core place chamber department, place the interior appearance core surface dust of chamber with appearance core and blow out.

Preferably, the base is provided with a sliding groove, the placing table is slidably connected in the sliding groove, the bottom of the placing table is fixedly provided with a guide block, and the base is provided with a guide groove for the guide block to slide.

Through adopting above-mentioned technical scheme, can nimble adjustment place the position of platform through pulling placing the platform in the sliding tray, the setting of guide block and guide slot can provide the support direction for the placing platform of pulling.

Preferably, the section of the guide block is trapezoid or arched, and the section of the guide groove is trapezoid or arched matched with the guide block.

Through adopting above-mentioned technical scheme, when the guide block adopts trapezoidal or bow-shaped, it can guarantee that the guide block can not break away from the guide way easily, improves the slip direction effect.

In summary, the utility model has the following advantages:

this concrete coring device can carry out the jetting to the outside of annular sword through the air jet when coring, dust, the heap jetting of cutting into slit department when annular sword cuts into the road surface promptly can effectively prevent taking place to block up the sword phenomenon when cutting, when the drilling machine starts to drive extension axle, fixed axle rotation, drive annular sword cutting sample after, removable sample is placed the sample core in place the platform and is convenient for follow-up collection and processing to the dust removal is handled to the sample core of the intracavity is placed to the usable air pump, makes things convenient for follow-up detection experiment.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A;

FIG. 4 is a cross-sectional view of the structure of the present utility model;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

fig. 6 is a schematic view of the structure of the drilling machine of the present utility model.

Reference numerals: 1. a base; 2. drilling machine; 3. an extension shaft; 4. a fixed shaft; 5. an annular knife; 6. a ring sleeve; 7. a gas jet; 8. a placement table; 9. a sample core placement cavity; 10. an air pump; 11. a first air tube; 12. a second air pipe; 13. a third air pipe; 14. a first pneumatic valve; 15. a second pneumatic valve; 16. a bearing plate; 17. a compression bar; 18. a jack; 19. a convex ring; 20. a spring; 21. a cross bar; 22. a thread sleeve; 23. a shaft shoulder; 24. a fastening ring; 25. a tilting slot; 26. a sliding groove; 27. a guide block; 28. a guide groove.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 4 and 5, in order to realize the coring of concrete, the device is provided with a base 1 and a drilling machine 2, wherein the drilling machine 2 is a bench drill, is a currently common drilling machine device, and fig. 6 shows the existing drilling machine 2. The drilling machine 2 is arranged above the base 1, an extension shaft 3 is fixed at the output end of the drilling machine 2 in the vertical direction, a fixed shaft 4 is fixed at the bottom end of the extension shaft 3, an annular cutter 5 is fixed at the end part of the fixed shaft 4, an annular sleeve 6 is fixed at the upper end of the annular cutter 5, the annular sleeve 6 is hollow, an air nozzle 7 is arranged at the bottom, a placing table 8 is arranged in the base 1 in a drawing manner, a plurality of sample core placing cavities 9 are arranged on the placing table 8, and an air pump 10 for blowing to the inside of the annular sleeve 6 and the sample core placing cavities 9 is fixed on the placing table 8; this concrete coring device is when coring, can carry out the jetting to the outside of annular sword 5 through air jet 7, dust, the heap jetting to cutting into gap department when annular sword 5 cuts into the road surface promptly, can effectively prevent to take place to block up the sword phenomenon when cutting, when drilling machine 2 starts to drive extension shaft 3, fixed axle 4 rotates, drive annular sword 5 cutting sample after, removable sample is placed the sample core in place bench 8 and is convenient for follow-up collection and processing, and the sample core that the intracavity was placed to the usable air pump 10 carries out the dust removal to the sample core in 9 is placed to the sample core and is handled, make things convenient for follow-up detection experiment.

Referring to fig. 2 and 3, in order to realize blowing in the cutting process of the annular knife 5 and blowing in the sample core placing cavity 9, a first air pipe 11 is fixed at one air outlet port of the air pump 10, a second air pipe 12 is fixed at the other air outlet port of the air pump 10, the end part of the first air pipe 11 is communicated with the annular sleeve 6, a plurality of third air pipes 13 are fixedly communicated with the second air pipe 12, and the plurality of third air pipes 13 are respectively communicated with the sample core placing cavity 9; when the air pump 10 is started, air can be blown into the annular sleeve 6 through the first air pipe 11, the air firstly enters the cavity of the annular sleeve 6 and then is sprayed out from the air nozzle 7, so that the outer wall area of the annular knife 5 is blown, and sand dust and the like are blown away from the outer part of the annular knife 5.

Referring to fig. 2 and 3, in order to realize air path control, a first air control valve 14 is installed on a first air pipe 11, a plurality of second air control valves 15 are installed on a second air pipe 12, and the first air pipe 11 and the second air pipe 12 are respectively rubber hoses; the first pneumatic control valve 14 on the first air pipe 11 is utilized to control the on-off of the first air pipe 11, the second pneumatic control valve 15 on the second air pipe 12 is utilized to control the on-off of the second air pipe 12, and the rubber hose is adopted to enable the first air pipe 11 and the second air pipe 12 to have sufficient allowance, so that the drilling core requirement is met, and the service life can be prolonged.

Referring to fig. 4 and 5, in order to prevent the sample core from being stuck in the annular cutter 5, a supporting plate 16 is fixed outside the extension shaft 3, a pressing rod 17 is arranged in the supporting plate 16 in a penetrating manner, an inserting hole 18 for inserting the end part of the pressing rod 17 is formed in the top of the annular cutter 5, a convex ring 19 is fixed outside the pressing rod 17, a spring 20 is sleeved outside the pressing rod 17, one end of the spring 20 is abutted against the convex ring 19, and the other end of the spring 20 is abutted against the supporting plate 16; after the sample core is clamped in the annular cutter 5, the pressing rod 17 in the bearing plate 16 can be pressed, so that the spring 20 between the convex ring 19 and the bearing plate 16 is driven to be stretched, the end part of the pressing rod 17 is inserted into the insertion hole 18, and the sample core clamped in the annular cutter 5 is pressed down, so that the subsequent taking out is facilitated.

Referring to fig. 4 and 5, in order to facilitate the operation and the pressing, a cross bar 21 is fixed at the outside of the pressing bar 17, the bottom end of the pressing bar 17 is tapered, the cross bar 21 fixed at the outside of the pressing bar 17 can be manually pressed when the pressing bar 17 is pressed, and the end of the pressing bar 17 can be conveniently pressed into the annular knife 5 by adopting the taper shape at the bottom end of the pressing bar 17; in order to facilitate the connection and fixation of the fixed shaft 4 and the extension shaft 3, a thread bush 22 is fixed at the top end of the fixed shaft 4, the thread bush 22 is in threaded connection with the bottom end of the extension shaft 3, a shaft shoulder 23 is fixed outside the extension shaft 3, and a fastening ring 24 is in threaded connection with the shaft shoulder 23 and the thread bush 22; when the fixed shaft 4 and the extension shaft 3 are required to be installed, the threaded sleeve 22 can be in threaded connection with the outside of the extension shaft 3 to enable the threaded sleeve to be in contact with the end face of the shaft shoulder 23, and then the fastening ring 24 can be screwed tightly to achieve secondary locking, so that bidirectional fixing can be achieved effectively.

Referring to fig. 1 and 2, in order to facilitate blowing out of the gravel from the sample core placing cavities 9, the placing table 8 is respectively provided with a plurality of inclined grooves 25 at the sample core placing cavities 9, and the inclined grooves 25 are respectively provided in an inclined shape; the inclined slot 25 is provided to blow out dust on the surface of the sample core in the sample core accommodating chamber 9 when the third air pipe 13 blows out to the sample core accommodating chamber 9.

Referring to fig. 1 and 2, in order to enable the position of the placement platform 8 to be adjustable, a sliding groove 26 is formed in the base 1, the placement platform 8 is slidably connected in the sliding groove 26, a guide block 27 is fixed at the bottom of the placement platform 8, a guide groove 28 for sliding the guide block 27 is formed in the base 1, the position of the placement platform 8 can be flexibly adjusted by pulling the placement platform 8 in the sliding groove 26, and the placement platform 8 pulled by the guide block 27 and the guide groove 28 can provide supporting and guiding for the placement platform 8; in order to guide the sliding of the placement table 8, the section of the guide block 27 is trapezoid or arched, the section of the guide groove 28 is trapezoid or arched matched with the guide block 27, and when the guide block 27 adopts the trapezoid or arched, the guide block 27 can be prevented from easily separating from the guide groove 28, so that the sliding guide effect is improved.

Claims

1. Concrete coring device, including base (1) and drilling machine (2), drilling machine (2) are installed in base (1) top, the output of the vertical direction of drilling machine (2) is fixed with extension axle (3), its characterized in that: the utility model discloses a novel structure of a solid-state machine, including extension axle (3), fixed axle (3), ring cutter (5) are fixed with to the bottom mounting of extension axle (3), the upper end of ring cutter (5) is fixed with ring cover (6), ring cover (6) are cavity form and have seted up gas spout (7) in the bottom, the pull is provided with places platform (8) in base (1), place and offered a plurality of appearance core on platform (8) and placed chamber (9), place be fixed with on platform (8) be arranged in ring cover (6), appearance core place air pump (10) of the inside jetting of chamber (9).

2. A concrete coring device as set forth in claim 1, wherein: one of the air outlet ports of the air pump (10) is fixed with a first air pipe (11), the other air outlet port of the air pump (10) is fixed with a second air pipe (12), the end part of the first air pipe (11) is communicated with the annular sleeve (6), a plurality of third air pipes (13) are fixedly communicated with the second air pipe (12), and the plurality of third air pipes (13) are respectively communicated with the sample core placing cavity (9).

3. A concrete coring device as set forth in claim 2, wherein: the first air pipe (11) is provided with a first air control valve (14), the second air pipe (12) is provided with a plurality of second air control valves (15), and the first air pipe (11) and the second air pipe (12) are respectively rubber hoses.

4. A concrete coring device as set forth in claim 1, wherein: the outside of extension axle (3) is fixed with carrier plate (16), wear to be equipped with depression bar (17) in carrier plate (16), jack (18) that supply depression bar (17) tip male are seted up at the top of annular sword (5), the outside of depression bar (17) is fixed with bulge loop (19), the outside cover of depression bar (17) is equipped with spring (20), the one end of spring (20) is contradicted on bulge loop (19), the other end of spring (20) is contradicted on carrier plate (16).

5. A concrete coring device as set forth in claim 4, wherein: the outside of depression bar (17) is fixed with horizontal pole (21), the bottom of depression bar (17) sets up to the toper.

6. A concrete coring device as set forth in claim 1, wherein: the top of fixed axle (4) is fixed with thread bush (22), thread bush (22) threaded connection is in the bottom of extension axle (3), the outside of extension axle (3) is fixed with shoulder (23), the outside threaded connection of shoulder (23) and thread bush (22) has fastening ring (24).

7. A concrete coring device as set forth in claim 1, wherein: the placing table (8) is provided with a plurality of tilting slots (25) respectively in the sample core placing cavities (9), and the tilting slots (25) are respectively arranged in an inclined mode.

8. A concrete coring device as set forth in claim 1, wherein: the base (1) is internally provided with a sliding groove (26), the placing table (8) is slidably connected in the sliding groove (26), the bottom of the placing table (8) is fixedly provided with a guide block (27), and the base (1) is internally provided with a guide groove (28) for the guide block (27) to slide.

9. A concrete coring device as set forth in claim 8, wherein: the section of the guide block (27) is trapezoid or arched, and the section of the guide groove (28) is trapezoid or arched matched with the guide block (27).