CN218725458U - Rotatable telescopic concrete coring device - Google Patents

Rotatable telescopic concrete coring device Download PDF

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Publication number
CN218725458U
CN218725458U CN202222617694.6U CN202222617694U CN218725458U CN 218725458 U CN218725458 U CN 218725458U CN 202222617694 U CN202222617694 U CN 202222617694U CN 218725458 U CN218725458 U CN 218725458U
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China
Prior art keywords
coring device
bolt
fastening bolt
base
hole
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CN202222617694.6U
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Chinese (zh)
Inventor
陈志永
渠忠
任贵华
董寿强
王强
李永杰
毛卫帅
马伟平
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China Railway 12th Bureau Group Co Ltd
Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
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China Railway 12th Bureau Group Co Ltd
Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
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Abstract

The utility model provides a rotatable telescopic concrete coring device, belong to concrete structure thing core detection's technical field, when boring in same region and get a plurality of core appearance, pass expansion bolts earlier and squeeze into in the concrete in the expansion bolt hole, rotatory leveling bolt carries out the leveling, preset position according to the core appearance, the rotating column, adjust the grafting length of outer dead lever and interior telescopic link, then it is connected with the second screw hole to pass the punchhole on the ring flange with second fastening bolt, the angle of fixed column, pass outer dead lever and third screw hole with third fastening bolt and be connected, the total length of fixed outer dead lever and interior telescopic link, take a sample, accomplish once sample back, need not lift concrete coring device off, but take out second fastening bolt and third fastening bolt, again according to the preset position of core appearance, the rotating column, adjust the grafting length of outer dead lever and interior telescopic link can, the working strength is reduced, the work efficiency is improved.

Description

Rotatable telescopic concrete coring device
Technical Field
The utility model belongs to the technical field of concrete structure thing coring detection, a rotatable telescopic concrete coring device is specifically disclosed.
Background
The coring method is one of the common concrete structure entity detection methods. The core-taking machine is used for drilling core samples from a tunnel lining, a bridge pier, a culvert or a retaining wall body, so that the compactness of concrete pouring, the existence of cavities behind concrete and the strength of a concrete structure can be directly analyzed.
The currently available concrete coring device, for example, CN207147810U, is a concrete core drilling machine with a separation device, which includes a base, an upright post fixedly connected to the base, a motor slidably connected to the upright post, a drill bit fixedly connected to a main shaft of the motor, and a driving device for driving the motor to move up and down along the upright post, wherein at least two short slots are processed at the bottom end of the drill bit, the separation device is disposed on the base, and the separation device includes a fixing member located directly below the drill bit and allowing the drill bit to pass through, and a clamping member fixed on the fixing member and radially penetrating through the short slots to clamp the core member.
The concrete coring device has the following technical problems:
a plurality of core samples are taken in the same range area, and after each core sample is taken, expansion bolt holes are required to be drilled in the concrete structure in the range area again, and the base is fixed again, so that long time is required for dismounting the concrete coring device every time, and the working strength is extremely high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotatable telescopic concrete coring device to solve the background art the problem.
The rotatable telescopic concrete coring device comprises a base, an upright post, a motor, a drill bit fixedly connected to a main shaft of the motor, a driving assembly for driving the motor to move up and down along the upright post, a rotating assembly and a telescopic assembly; the base is provided with an expansion bolt hole, an expansion bolt, a leveling bolt, a round hole and a second threaded hole; the expansion bolt holes are strip-shaped holes, and the expansion bolts penetrate through the expansion bolt holes; a plurality of leveling bolt threads penetrate through the base; the plurality of second threaded holes are uniformly arranged around the round hole; the rotating assembly comprises a flange plate, a connecting cylinder, a nut and a second fastening bolt; the top surface of the flange plate is fixedly connected with the bottom surface of the upright post, and the bottom surface of the flange plate is fixedly connected with the top surface of the connecting cylinder; the connecting cylinder penetrates through a round hole in the base, and an external thread is arranged at a position below the base; the nut is sleeved on the external thread of the connecting cylinder; the second fastening bolt penetrates through the hole on the flange plate and is connected with the second threaded hole; the telescopic assembly comprises an outer fixed rod, an inner telescopic rod, a third fastening bolt and a third threaded hole; the outer fixing rod and the inner telescopic rod are in sliding insertion connection, a plurality of third threaded holes are formed in the inner telescopic rod, and third fastening bolts penetrate through the outer fixing rod and are connected with the third threaded holes; the telescopic assembly is connected with the driving assembly and the motor.
Furthermore, a rack is arranged on the side surface of the upright post; the driving assembly comprises a sliding table, a gear and a lifting handle; the sliding table is sleeved on the upright post in a sliding manner; the gear is rotatably arranged in the sliding table and is meshed with the rack; the lifting handle penetrates through the sliding table and is fixedly connected with the center of the gear.
Furthermore, wear to be equipped with the first fastening bolt that is used for pushing up the stand on the slip table.
Furthermore, the side of the upright post is provided with scale marks.
Furthermore, the top surface of the upright post is provided with a limiting block.
Furthermore, the drill bit is provided with a water inlet, and a switch valve is arranged on the water inlet.
Furthermore, the expansion bolt holes are formed in the center line of the base, and two expansion bolt holes are formed along the center line.
The utility model discloses following beneficial effect has:
1. the utility model provides a concrete coring device is rotatable flexible, when boring a plurality of core appearance in same region, firstly, expansion bolts passes the expansion bolt hole and squeezes into in the concrete, guarantee that concrete coring device installs firmly safety, rotatory leveling bolt levels, according to the preset position of core appearance, the rotating stand, adjust the grafting length of outer dead lever and interior telescopic link, then pass second fastening bolt hole on the ring flange and be connected with the second screw hole, the angle of fixed stand, pass third fastening bolt outer dead lever and be connected with the third screw hole, fix the total length of outer dead lever and interior telescopic link, take a sample, after accomplishing once taking a sample, need not lift off concrete device, beat expansion bolt hole again and carry out fixed mounting, but take out second fastening bolt and third fastening bolt, again according to the preset position of core appearance, the rotating stand, adjust the grafting length of outer dead lever and interior telescopic link can, greatly reduce working strength, and improve work efficiency;
2. the side of the upright post is provided with scale marks, so that the drilling depth can be known at any time in the drilling process, and the water leakage of the tunnel caused by the fact that the drill penetrates through a waterproof layer behind the secondary lining concrete of the tunnel is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a rotatable telescopic concrete coring device;
FIG. 2 is a schematic structural diagram of a base;
FIG. 3 is a schematic view of a rotary assembly;
fig. 4 is a schematic structural view of the telescopic assembly.
In the figure: 1-base, 2-column, 3-motor, 4-drill bit, 5-rack, 6-sliding table, 7-lifting handle, 8-first fastening bolt, 9-scale mark, 10-limiting block, 11-expansion bolt hole, 12-expansion bolt, 13-leveling bolt, 14-round hole, 15-second threaded hole, 16-flange plate, 17-connecting cylinder, 18-nut, 19-second fastening bolt, 20-external fixing rod, 21-internal telescopic rod, 22-third fastening bolt, 23-third threaded hole, 24-water inlet, 25-motor switch.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a rotatable telescopic concrete coring device, including base 1, stand 2, motor 3, fixed connection at 3 main shafts of motor drill bit 4, driving motor 3 along 2 up-and-down motion's of stand drive assembly, rotating assembly and flexible subassembly.
A rack 5 is arranged on the side surface of the upright post 2; the driving assembly comprises a sliding table 6, a gear and a lifting handle 7; the sliding table 6 is sleeved on the upright post 2 in a sliding manner; the gear is rotatably arranged in the sliding table 6 and is meshed with the rack 5; the lifting handle 7 passes through the sliding table 6 and is fixedly connected with the center of the gear. The lifting handle 7 is rotated to move the sliding table 6. And lifting handles 7 are arranged on two sides of the sliding table 6.
A first fastening bolt 8 for tightly propping the upright post 2 penetrates through the sliding table 6. The first fastening bolt 8 is screwed down, so that the sliding table 6 can be fixed on the upright post 2. When sampling is performed, the first fastening bolt 8 needs to be loosened.
The side of the upright post 2 is provided with scale marks 9. The drilling depth can be known at any time in the drilling process, and tunnel water leakage caused by drilling through a waterproof layer behind the secondary lining concrete of the tunnel is avoided.
The top surface of the upright post 2 is provided with a limiting block 10. The slide table 6 is moved upward to be positioned.
The base 1 is provided with an expansion bolt hole 11, an expansion bolt 12, a leveling bolt 13, a round hole 14 and a second threaded hole 15; the expansion bolt holes 11 are strip-shaped holes, and the expansion bolts 12 penetrate through the expansion bolt holes 11; a plurality of leveling bolts 13 are threaded through the base; a plurality of second threaded holes 15 are uniformly arranged around the circular hole 14. The leveling bolt 13 is used for adjusting the levelness of the base 1 so as to ensure that the upright post 2 on the base 1 keeps the vertical direction with the surface of the cored concrete structure, thereby ensuring the verticality of the concrete core sample. The expansion bolt holes 11 are arranged at the central line position of the base 1, and two expansion bolt holes are arranged along the central line. The leveling bolts 13 are symmetrically arranged on two sides of the central line of the base 1.
The rotating component comprises a flange plate 16, a connecting cylinder 17, a nut 18 and a second fastening bolt 19; the top surface of the flange 16 is fixedly connected with the bottom surface of the upright post 2, and the bottom surface is fixedly connected with the top surface of the connecting cylinder 17; the connecting cylinder 17 penetrates through a round hole in the base 1, and an external thread is arranged at the position below the base 1; the nut 18 is sleeved on the external thread of the connecting cylinder 17; and rotating the upright post 2 according to the preset position of the core sample, and connecting a second fastening bolt 19 with the second threaded hole 15 through the hole on the flange plate 16 to realize the fixation of the upright post 2. The number of the second fastening bolts 19 may be one or more than one, and is not more than the number of the holes on the flange plate 16.
The telescopic assembly comprises an outer fixed rod 20, an inner telescopic rod 21, a third fastening bolt 22 and a third threaded hole 23; the outer fixing rod 20 and the inner telescopic rod 21 are in sliding insertion connection, a plurality of third threaded holes 23 are formed in the inner telescopic rod 21, and when the outer fixing rod 20 and the inner telescopic rod 21 are adjusted to be proper in length, third fastening bolts 23 penetrate through the outer fixing rod 20 to be connected with the third threaded holes 23, so that the length of the outer fixing rod 20 and the length of the inner telescopic rod 21 are fixed; the outer fixed rod 20 is connected with the sliding table 6, and the inner telescopic rod 21 is connected with the motor 3.
Further, the drill bit 4 is provided with a water inlet 24, the water inlet 24 is provided with a switch valve, and cooling water is added into the drill bit 4 through the water inlet 24 to prevent the drill bit 4 from being too high in temperature in the drilling process. The motor 3 is provided with a motor switch 25.
When the rotatable telescopic concrete coring device is used for drilling a plurality of core samples in the same area, firstly, expansion bolts 12 penetrate through expansion bolt holes 11 and are driven into concrete, firm and safe installation of the concrete coring device is guaranteed, leveling is carried out by rotating leveling bolts 13, the upright post 2 is rotated according to the preset positions of the core samples, the inserting length of the outer fixing rod 20 and the inserting length of the inner telescopic rod 21 are adjusted, then, second fastening bolts 19 penetrate through holes in a flange plate 16 and are connected with second threaded holes 15, the angle of the upright post 2 is fixed, third fastening bolts 22 penetrate through the outer fixing rod 20 and are connected with third threaded holes 23, the total length of the outer fixing rod 20 and the total length of the inner telescopic rod 21 are fixed, sampling is carried out, after once sampling is finished, the concrete coring device does not need to be dismounted, the expansion bolt holes are driven again for fixed installation, the second fastening bolts 19 and the third fastening bolts 22 are taken out, the inserting lengths of the outer fixing rod 20 and the inner telescopic rod 21 are rotated according to the preset positions of the core samples again, the working strength is greatly reduced, and the working efficiency is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. A rotatable telescopic concrete coring device comprises a base, an upright post, a motor, a drill bit fixedly connected to a main shaft of the motor and a driving assembly for driving the motor to move up and down along the upright post;
it is characterized by also comprising a rotating component and a telescopic component;
the base is provided with an expansion bolt hole, an expansion bolt, a leveling bolt, a round hole and a second threaded hole;
the expansion bolt holes are strip-shaped holes, and the expansion bolts penetrate through the expansion bolt holes;
a plurality of leveling bolt threads penetrate through the base;
the plurality of second threaded holes are uniformly arranged around the round hole;
the rotating assembly comprises a flange plate, a connecting cylinder, a nut and a second fastening bolt;
the top surface of the flange plate is fixedly connected with the bottom surface of the upright post, and the bottom surface of the flange plate is fixedly connected with the top surface of the connecting cylinder;
the connecting cylinder penetrates through a round hole in the base, and an external thread is arranged at the position below the base;
the nut is sleeved on the external thread of the connecting cylinder;
the second fastening bolt penetrates through the hole in the flange plate and is connected with the second threaded hole;
the telescopic assembly comprises an outer fixed rod, an inner telescopic rod, a third fastening bolt and a third threaded hole;
the outer fixing rod and the inner telescopic rod are in sliding insertion connection, a plurality of third threaded holes are formed in the inner telescopic rod, and third fastening bolts penetrate through the outer fixing rod and are connected with the third threaded holes;
the telescopic assembly is connected with the driving assembly and the motor.
2. The rotatable telescopic concrete coring device of claim 1, wherein a rack is provided on a side of the column;
the driving assembly comprises a sliding table, a gear and a lifting handle;
the sliding table is sleeved on the upright post in a sliding manner;
the gear is rotatably arranged in the sliding table and meshed with the rack;
the lifting handle penetrates through the sliding table and is fixedly connected with the center of the gear.
3. The rotatable telescopic concrete coring device of claim 2, wherein a first fastening bolt for abutting against the upright column is arranged on the sliding table in a penetrating manner.
4. The rotatable telescopic concrete coring device of claim 3, wherein the side of the post is provided with graduation marks.
5. The rotatable telescopic concrete coring device of claim 4, wherein the top surface of the column is provided with a stop block.
6. The rotatable telescopic concrete coring device of claim 1, wherein the drill bit is provided with a water inlet, and a switching valve is provided on the water inlet.
7. The rotatable telescopic concrete coring device of claim 1, wherein the expansion bolt hole is provided at a center line position of the base, and two along the center line.
CN202222617694.6U 2022-10-06 2022-10-06 Rotatable telescopic concrete coring device Active CN218725458U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222617694.6U CN218725458U (en) 2022-10-06 2022-10-06 Rotatable telescopic concrete coring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222617694.6U CN218725458U (en) 2022-10-06 2022-10-06 Rotatable telescopic concrete coring device

Publications (1)

Publication Number Publication Date
CN218725458U true CN218725458U (en) 2023-03-24

Family

ID=85640409

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222617694.6U Active CN218725458U (en) 2022-10-06 2022-10-06 Rotatable telescopic concrete coring device

Country Status (1)

Country Link
CN (1) CN218725458U (en)

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