CN215811728U

CN215811728U - Sampling device for concrete detection

Info

Publication number: CN215811728U
Application number: CN202121713284.0U
Authority: CN
Inventors: 陈旭琳
Original assignee: Hangzhou Zhouqiao Building Materials Co ltd
Current assignee: Hangzhou Zhouqiao Building Materials Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-11
Anticipated expiration: 2031-07-26

Abstract

The application relates to a sampling device for concrete detection, which comprises a coring motor and a coring bit, wherein one end of the coring bit is a sampling end, the other end of the coring bit is a connecting end, the sampling end of the coring bit is provided with a sampling gear ring, and the connecting end of the coring bit is detachably connected with the coring motor; the coring bit comprises an upper semicircular shell and a lower semicircular shell, the upper semicircular shell and the lower semicircular shell are detachably connected, and the upper semicircular shell and the lower semicircular shell form a coring cavity. Can open core bit through dismantling the forked tail tenon piece, take out the sample, this application has the effect that reduces the sample and receive the damage probability.

Description

Sampling device for concrete detection

Technical Field

The application relates to the field of engineering check out test set, especially relate to a sampling device for concrete inspection.

Background

In the construction engineering, the quality of the engineering which is already constructed needs to be detected, and one of the important items is to detect the concrete structure in the engineering. Core drills are used to obtain samples when sampling concrete.

Chinese patent with publication number CN207351725U discloses a concrete core machine, including frame, hoisting device and coring device, hoisting device includes the hoisting frame, be provided with the cooling water pipe on the hoisting frame, coring device includes coring sleeve, hydraulic power machine and sets up on the hoisting frame and with the flexible protection casing that coring sleeve cup jointed, flexible protection casing bottom is provided with the balancing weight. The power machine drives the coring rotary drum to rotate, and the coring sleeve moves up and down through the rotation of the screw rod, so that concrete is sampled, the telescopic protective cover can change along with the height change of the coring sleeve, and slurry generated by the coring sleeve is limited in the telescopic protective cover.

Aiming at the related technologies, the inventor thinks that the sample can only be taken out in a prying or dumping mode under the overlapping action of the telescopic protective cover and the core taking sleeve, and the sample is solid concrete and is easy to damage by prying or colliding.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the sample received the damage, this application provides a sampling device for concrete detection.

The application provides a sampling device for concrete detection adopts following technical scheme:

a sampling device for concrete detection comprises a core motor and a core bit, wherein one end of the core bit is a sampling end, the other end of the core bit is a connecting end, a sampling gear ring is arranged at the sampling end of the core bit, and the connecting end of the core bit is detachably connected with the core motor; the coring bit comprises an upper semicircular shell and a lower semicircular shell, the upper semicircular shell and the lower semicircular shell are detachably connected, and the upper semicircular shell and the lower semicircular shell form a coring cavity.

Through adopting above-mentioned technical scheme, because most coring bit adopts the sled to move or empty the mode and take out the sample, consequently will coring bit design to constitute by detachable first semicircle shell and lower semicircle shell, after the sample, dismantle coring bit from getting the core motor, the inside sample of coring bit just can be taken out easily to last semicircle shell of split and lower semicircle shell again, and the probability that the sample received the damage reduces greatly.

Optionally, the dovetail joint structure further comprises a dovetail block, the upper semicircular shell is provided with a first dovetail long groove in a penetrating manner, the lower semicircular shell is provided with a second dovetail long groove in a penetrating manner, the dovetail block is inserted into the first dovetail long groove and the second dovetail long groove at the same time, and the upper semicircular shell and the lower semicircular shell form detachable connection through the matching relationship between the dovetail block and the first dovetail long groove and the second dovetail long groove.

By adopting the technical scheme, the upper semicircular shell and the lower semicircular shell are both provided with the dovetail elongated slots, and the dovetail tenon blocks are vertically inserted into the dovetail elongated slots, so that the coring bit is integrated again. When the core is drilled and sampled, because the dovetail block receives the action force that the sampling surface of concrete extrudes towards the direction of the coring motor in the vertical direction, and the coring motor and the coring bit can offset the action force, the dovetail block is not easy to fall off from the dovetail long groove.

Optionally, the exposed part of the dovetail block close to the sampling end of the core bit is provided with a sampling tooth block, and the sampling tooth block and the cutting surface of the sampling tooth on the sampling gear ring are in the same horizontal plane.

Through adopting above-mentioned technical scheme, the sample tooth piece that dovetail block one end surface had and original sample ring gear mutually support for have evenly and have the same height sample tooth on the coring bit, the application of force is more even when getting the sample when boring.

Optionally, a chip removing groove is formed between the two sampling teeth on the sampling gear ring along the sampling direction.

Through adopting above-mentioned technical scheme, can have the concrete piece production when boring to get, set up behind the chip groove, the piece that produces can be followed and discharged in the chip groove, avoids the inner chamber that the piece blockked up coring bit to make the sampling efficiency reduce.

Optionally, it is connected with the support frame that is used for supporting sampling device to get the core motor, just it is provided with the draw-in groove on being close to global of ground to get the core motor, be provided with the dop on the support frame, get the core motor with the support frame passes through dop draw-in groove fixed connection.

By adopting the technical scheme, because the device vibrates continuously and the concrete sample has certain weight in the operation process, the support frame is arranged to provide a new supporting point to enable the sampling device to be in a balanced state, and the stability of the sampling device is improved by the support frame.

Optionally, the one end of coring bit can be dismantled and be connected with and get the core sleeve, get the core sleeve with get core motor fixed connection.

Through adopting above-mentioned technical scheme, because coring motor need drive coring bit and rotate, get the in-process and probably lead to coring bit each part atress uneven boring to directly damage coring bit's structure, consequently set up in the junction and get the core sleeve, can enough make forked tail tenon piece and last semicircle shell and semicircle shell zonulae occludens down, can reduce again and get the influence that coring motor vibrations brought coring bit.

Optionally, the outer surface of the coring sleeve is provided with a rubber sleeve.

Through adopting above-mentioned technical scheme, because at the drill core in-process, the user need get the core sleeve with handheld, and get the core sleeve and constantly shake when using, the rubber sleeve has anti-skidding effect, can improve sampling device's availability factor.

Optionally, the coring sleeve is in threaded connection with the coring bit, and the coring bit and the coring sleeve are provided with a positioning shaft rod in a penetrating manner.

Through adopting above-mentioned technical scheme, coring sleeve and mandrel can produce limiting displacement to forked tail tenon piece and last semicircle shell and semicircle shell down, have the additional strengthening to coring bit's wholeness.

Optionally, core drill bit global is provided with the stopper, the stopper embedded have be used for with core drill bit connects the rubber rope, the other end embedding of rubber rope inside core drill bit, set up the spacing groove on the core sleeve, the length of spacing groove is greater than the length and the width of stopper are less than the length of stopper, the stopper card is located the spacing groove, just the lower surface of stopper with rubber sleeve looks butt.

Through adopting above-mentioned technical scheme, because the width of spacing groove is less than the length of stopper, consequently the spacing groove is then located to the card after the stopper rotates certain angle, again because the lower surface and the rubber sleeve looks butt of stopper, the frictional force of rubber is great makes the stopper be difficult to remove. Simultaneously owing to be connected with the rubber rope, inside the rubber rope embedding coring bit, consequently can make coring bit and coring sleeve hug closely to sampling device's wholeness has been strengthened.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the core bit is divided into two parts which are provided with the dovetail elongated grooves, the dovetail blocks are vertically inserted into the dovetail elongated grooves and adsorb the dovetail elongated grooves on two sides, so that the core bit is integrated again, the dovetail blocks are vertically taken out during core taking, and after the upper semicircular shell and the lower semicircular shell are separated, a sample in the core bit can be easily taken out, and the probability of damage to the sample is greatly reduced;

2. the integrity of the device is enhanced by arranging the positioning shaft rod and the limiting block;

3. through having set up rubber sleeve, chip groove and support frame, improved the convenience of sampling device in the use.

Drawings

Fig. 1 is an overall configuration diagram of a concrete testing sampling device according to example 1.

FIG. 2 is an exploded view of example 1 showing the connection of the core bit and the core barrel.

Fig. 3 is an overall configuration diagram of embodiment 2 for showing the connection relationship between the core bit and the core sleeve.

Description of reference numerals: 1. a coring bit; 2. a coring sleeve; 3. a coring motor; 4. a handle; 5. a switch; 6. a support frame; 7. a coring cavity; 11. a dovetail tenon block; 12. an upper semicircular shell; 13. a lower semicircular shell; 14. a chip removal groove; 15. a first dovetail elongated slot; 16. a second dovetail elongated slot; 17. an external thread; 18. a limiting block; 21. positioning the shaft rod; 22. an internal thread; 23. a rubber sleeve; 24. a limiting groove; 181. buckling grooves; 182. a rubber rope.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment 1 of the application discloses sampling device for concrete detection. Referring to fig. 1 and 2, a sampling device for concrete testing includes a coring bit 1, a coring sleeve 2, and a coring motor 3. The coring bit 1 comprises an upper semicircular shell 12, a lower semicircular shell 13 and a dovetail block 11, the upper semicircular shell 12 is provided with a first dovetail elongated slot 15 in a penetrating mode, the lower semicircular shell 13 is provided with a second dovetail elongated slot 16 in a penetrating mode, the first dovetail elongated slot 15 and the second dovetail elongated slot 16 are opposite in opening and provided with the dovetail block 11 in a penetrating mode, the dovetail block 11 has magnetic performance and can absorb the first dovetail elongated slot 15 and the second dovetail elongated slot 16 at the same time, the coring bit 1 is integrated, and a coring cavity 7 is formed inside the upper semicircular shell 12 and the lower semicircular shell 13 after being spliced.

The one end of dovetail piece 11 still is provided with the sample tooth piece, and the sample end of coring bit 1 is provided with the sample ring gear, and the cutting face of the sample tooth on sample tooth piece and the sample ring gear has the same height. The surface of the link of coring bit 1 is provided with external screw thread 17, and the inner wall of coring sleeve 2 is provided with internal thread 22, and the two threaded connection, and still seted up chip-removing groove 14 on coring bit 1.

The outer surface of the coring sleeve 2 is provided with a rubber sleeve 23 for enhancing the friction force when being held by hand. The rubber sleeve 23, the coring bit 1 and the coring sleeve 2 are provided with a positioning shaft rod 21 together in a penetrating manner, so that the possibility of dislocation of the coring bit 1 during rotation is reduced.

Get core sleeve 2 and get core motor 3 threaded connection, get and be provided with support frame 6 on the core motor 3, the upper end of support frame 6 is provided with the dop, and the lower surface of getting core motor 3 is provided with the draw-in groove, gets core motor 3 and support frame 6 through the cooperation relation interconnect of dop draw-in groove. The handle 4 of the coring motor 3 is provided with a switch 5 which can control the power supply of the sampling device.

When using, now with last semicircle shell 12, semicircle shell 13 and the concatenation of forked tail tenon piece 11 become coring bit 1 down, will coring bit 1 again with get core sleeve 2 threaded connection, location axle stick 21 runs through rubber sleeve 23 simultaneously, gets core sleeve 2 and coring bit 1, get core sleeve 2 again with get core motor 3 threaded connection, get core motor 3 below card and be equipped with support frame 6, press and get the switch 5 on the core motor 3 and begin the sample. After the sampling is finished, the coring bit 1 is separated from the coring sleeve, and the sample in the inner cavity is taken out after the coring bit 1 is opened.

The implementation principle of the embodiment 1 of the application is as follows: through the combination relation of the dovetail block 11 and the dovetail long groove, the core bit 1 can be opened and closed to take out the sample inside the core bit 1, and the possibility of damaging the sample in the taking-out process after the sample is collected is reduced.

Example 2: the difference from embodiment 1 is that, referring to fig. 3, a stopper 18 is embedded in the circumferential surface of the core bit 1, and the stopper 18 is connected to the core bit 1 by a rubber rope 182. Still be provided with catching groove 181 on the stopper 18, core sleeve 2 and rubber sleeve 23 correspond and are provided with spacing groove 24, and the width of spacing groove 24 is less than stopper 18's length, and stopper 18 card is located spacing groove 24 and is just with rubber sleeve 23 butt.

When using, put into catching groove 181 with the finger and make stopper 18 vertical through spacing groove 24, twist reverse 90 degrees backs with stopper 18 again, stopper 18 can't pass through spacing groove 24 this moment, and with rubber sleeve 23 butt, has great frictional force, is difficult for taking place to rotate, stopper 18 card this moment is located spacing groove 24, coring bit 1 also with because the elastic characteristic of rubber rope 182, hug closely with coring sleeve 2.

The implementation principle of embodiment 2 of the present application is as follows: the coring bit 1 is tightly attached to the coring sleeve 2 under the combined action of the limiting block 18 and the limiting groove 24, the elastic property of the rubber rope 182 and the property of the rubber sleeve 23 with larger friction force.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete inspection uses sampling device which characterized in that: the core drill bit comprises a core motor (3) and a core drill bit (1), wherein one end of the core drill bit (1) is a sampling end, the other end of the core drill bit is a connecting end, a sampling gear ring (19) is arranged at the sampling end of the core drill bit (1), and the connecting end of the core drill bit (1) is detachably connected with the core motor (3); coring bit (1) includes semicircle shell (12) and lower semicircle shell (13), go up semicircle shell (12) with connection can be dismantled in lower semicircle shell (13), just go up semicircle shell (12) with lower semicircle shell (13) form and get core chamber (7).

2. The sampling device for concrete test according to claim 1, wherein: the dovetail joint is characterized by further comprising a dovetail block (11), a first dovetail long groove (15) penetrates through the upper semicircular shell (12), a second dovetail long groove (16) penetrates through the lower semicircular shell (13), the dovetail block (11) is inserted into the first dovetail long groove (15) and the second dovetail long groove (16) at the same time, and the upper semicircular shell (12) and the lower semicircular shell (13) are detachably connected through the matching relation of the dovetail block (11), the first dovetail long groove (15) and the second dovetail long groove (16).

3. The sampling device for concrete test according to claim 2, wherein: the dovetail tenon block (11) is close to the exposed part of the sampling end of the core bit (1) and is provided with a sampling tooth block (111), and the cutting surfaces of the sampling teeth on the sampling tooth block (111) and the sampling gear ring (19) are positioned on the same horizontal plane.

4. The sampling device for concrete test according to claim 1, wherein: a chip removing groove (14) is formed between the two sampling teeth on the sampling gear ring (19) along the sampling direction.

5. The sampling device for concrete test according to claim 1, wherein: get core motor (3) and be connected with support frame (6) that are used for supporting sampling device, just get core motor (3) and be provided with the draw-in groove on being close to ground global, be provided with the dop on support frame (6), get core motor (3) with support frame (6) are through dop draw-in groove fixed connection.

6. The sampling device for concrete test according to claim 1, wherein: the one end of coring bit (1) can dismantle and be connected with and get core sleeve (2), get core sleeve (2) with get core motor (3) fixed connection.

7. The sampling device for concrete test according to claim 6, wherein: the outer surface of the coring sleeve (2) sleeve is provided with a rubber sleeve (23).

8. The sampling device for concrete test according to claim 6, wherein: coring sleeve (2) with coring bit (1) threaded connection, coring bit (1) with coring sleeve (2) wears to be equipped with location axle stick (21).

9. The sampling device for concrete test according to claim 7, wherein: the global stopper (18) that is provided with of coring bit (1), stopper (18) embedded be used for with rubber rope (182) is connected in coring bit (1), the other end embedding of rubber rope (182) inside coring bit (1), set up spacing groove (24) on coring sleeve (2), the length of spacing groove (24) is greater than the length and the width of stopper (18) are less than the length of stopper (18), stopper (18) card is located spacing groove (24), just the lower surface of stopper (18) with rubber sleeve (23) looks butt.