CN212896855U - Buried blind hole structure - Google Patents

Buried blind hole structure Download PDF

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Publication number
CN212896855U
CN212896855U CN202021320256.8U CN202021320256U CN212896855U CN 212896855 U CN212896855 U CN 212896855U CN 202021320256 U CN202021320256 U CN 202021320256U CN 212896855 U CN212896855 U CN 212896855U
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China
Prior art keywords
connecting pipe
pipe
blind hole
pipe body
bolt
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CN202021320256.8U
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Chinese (zh)
Inventor
于长江
孙加齐
王岩峰
周志健
于海申
陈学光
李富强
黄志昕
高记远
毛春燕
卜锦希
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Priority to CN202021320256.8U priority Critical patent/CN212896855U/en
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Abstract

The utility model relates to a bury blind hole structure, include: the pipe body is embedded in the concrete structure, is hollow and is vertically communicated; the connecting pipe is hollow and runs through up and down, the connecting pipe is inserted into the pipe body, the connecting pipe is fixedly connected with the pipe body in a detachable manner, and a force transmission rod piece used for an experiment is arranged in the connecting pipe; after the force transmission rod piece is removed, the plugging piece is detachably inserted and fixed in the connecting pipe to plug the connecting pipe. Through setting up the connecting piece and can dismantle the change, the effectual life who prolongs the blind hole improves the availability factor in laboratory, has avoided because of changing the blind hole and causing the waste that the concrete structure was torn open and is changed.

Description

Buried blind hole structure
Technical Field
The utility model relates to a construction field indicates especially one kind and buries blind hole structure.
Background
In the process of building a mechanical laboratory, a fixing hole is usually reserved during the construction of a concrete structure and used for fixing a force transmission rod piece in the later period. The conventional fixing hole is a through hole, namely a hole is through, so that the situation that sundries are blocked and difficult to clean is avoided. However, in a large-scale mechanical experiment (such as an earthquake simulation research experiment), the structural floor slab is thick, and a through hole cannot be used, so that a blind hole needs to be reserved, namely one end of the blind hole is closed, the other end of the blind hole is opened, and the blind hole is often a group embedded part in the mechanical experiment, so that the absolute positioning and relative position precision requirements are high.
In the prior art, internal threads are formed on the inner wall of the blind hole, and when the blind hole is in a non-working state, the blind hole is fastened by bolts, so that sundries are prevented from entering the blind hole and being blocked; during the operating condition, unscrew the bolt, twist the used power transmission member spare of experiment, satisfy the experiment requirement. However, in repeated experiments, the force transmission rod piece can cause abrasion to the internal thread of the inner wall of the blind hole, the blind hole is difficult to replace, and the requirement of obtaining accurate experimental data by stable fixation cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide one kind and bury blind hole structure, solve and pass the power member among the prior art and can cause wearing and tearing to the internal thread of blind hole inner wall, and be difficult to change the blind hole, can't satisfy the problem of the requirement that the firm fixed accurate experimental data that obtains.
The technical scheme for realizing the purpose is as follows:
the utility model provides a bury blind hole structure, include:
the pipe body is embedded in the concrete structure, and the inside of the pipe body is hollow and is communicated up and down;
the connecting pipe is hollow and runs through up and down, the connecting pipe is inserted into the pipe body, the connecting pipe is fixedly connected with the pipe body in a detachable mode, and a force transmission rod piece for experiments is installed in the connecting pipe; and
and after the force transmission rod piece is removed, a plugging piece which is detachably inserted and fixed in the connecting pipe to plug the connecting pipe is inserted and fixed.
The buried blind hole structure of the utility model is further improved in that,
threads are formed on the inner wall of the pipe body;
the inner wall and the outer wall of the connecting pipe are both formed with threads, the connecting pipe is screwed in the pipe body, and the force transmission rod piece is screwed in the connecting pipe.
The buried blind hole structure of the utility model is further improved in that,
the blocking piece is a bolt, and after the force transmission rod piece is removed, the bolt is inserted into the connecting pipe in a threaded mode.
The buried blind hole structure of the utility model is further improved in that,
the top of the connecting pipe is located below the top of the pipe body, so that a distance corresponding to a nut of the bolt is reserved.
The buried blind hole structure of the utility model is further improved in that,
the top surface of a nut of the bolt is flush with the top end of the pipe body;
the bottom surface of the nut of the bolt is positioned above the connecting pipe.
The buried blind hole structure of the utility model is further improved in that,
a lower end plate is fixed at the bottom end of the pipe body in a plugging way;
an upper end plate is fixed at the top end of the tube body, and an opening correspondingly communicated with the tube body is formed in the upper end plate.
The utility model discloses bury blind hole structure's beneficial effect:
the utility model discloses an adopt connecting piece detachably to install in the body, easy to assemble and dismantlement, the connecting piece inner wall forms the screw thread that supplies the biography power member installation of experiment usefulness to facilitate the installation to pass the power member. When the force transmission rod piece is detached in a non-working state, the plugging piece is inserted and fixed in the connecting pipe to plug the connecting pipe, and the connecting pipe is prevented from being plugged due to sundries falling into the connecting pipe. In large-scale mechanics experiment, the utility model discloses not only can make and pass the accurate location of power member, make the experimental data more accurate have research value. And the connecting piece can be dismantled and change, has effectually prolonged the life of blind hole, improves the availability factor in laboratory, has avoided because of changing the blind hole and causing the waste that concrete structure torn open and modified.
Drawings
Fig. 1 to fig. 3 are schematic diagrams of the construction steps of the buried blind hole structure of the present invention.
Fig. 4 is a cross-sectional view of the working state of the buried blind hole structure of the present invention.
Fig. 5 is a cross-sectional view of the buried blind hole structure according to the present invention in an inoperative state.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, schematic diagrams of the construction steps of the buried blind hole structure of the present invention are shown. Fig. 4 is a cross-sectional view of the working state of the buried blind hole structure of the present invention. With reference to fig. 1 to 4, the buried blind hole structure of the present invention includes:
the pipe body 10 is embedded in the concrete structure, and the pipe body 10 is hollow and is vertically communicated;
the connecting pipe 20 is hollow and is penetrated up and down, the connecting pipe 20 is inserted into the pipe body 10, the connecting pipe 20 is fixedly connected with the pipe body 10 in a detachable manner, and a force transmission rod piece 30 for experiments is arranged in the connecting pipe 20; and
after removal of the force transfer rod element 30, a closure element 40 is detachably inserted into the connecting tube 20, which closure element is secured to the connecting tube 20 in order to close off the connecting tube 20.
As a preferred embodiment of the buried blind hole structure of the present invention, the inner wall of the pipe body 10 is formed with a thread; the inner wall and the outer wall of the connecting pipe 20 are both formed with screw threads, the connecting pipe 20 is screwed in the pipe body 10, and the force transmission rod piece 30 is screwed in the connecting pipe 20.
Specifically, the pipe body 10 is a large-diameter steel pipe, and the inner threading is advanced, so that the inner wall of the pipe body 10 is formed with threads. Connecting pipe 20 is the steel pipe that the diameter is less than body 10, carries out the mantle fiber in advance and makes the outer wall inner wall all form the screw thread to insert connecting pipe 20 and locate in body 10, and connecting pipe 20 closes with the spiral shell in body 10 and connects, with convenient installation and dismantlement, be convenient for change connecting pipe 20 after connecting pipe 20 damages, the replacement is convenient, has avoided because of changing the blind hole and has caused the waste that concrete structure torn open and changes.
Referring to fig. 5, a cross-sectional view of the non-operating state of the buried blind hole structure of the present invention is shown as a preferred embodiment of the buried blind hole structure of the present invention. Referring to fig. 1 to 5, the plugging member 40 is a bolt, and after the force transmission rod 30 is removed, the bolt is inserted into the connecting pipe 20 and screwed therein, so as to prevent impurities from entering the connecting pipe 20 and causing blockage of the connecting pipe 20.
As a preferred embodiment of the buried blind hole structure of the present invention, the top end of the connecting pipe 20 is located below the top end of the pipe body 10 to set a distance corresponding to the nut 41 of the bolt.
As a preferred embodiment of the buried blind hole structure of the present invention, the top surface of the nut 41 of the bolt is flush with the top end of the pipe body 10; the bottom surface of the nut 41 of the bolt is located above the connection pipe 20.
Specifically, the nut 41 of the bolt has a thickness such that the bottom surface of the nut 41 of the bolt is positioned above the connection pipe 20, and the top surface of the nut 41 of the bolt is flush with the top end of the pipe 10 without protruding out of the pipe 10, thereby affecting the use of the concrete structure. The top end of the connection pipe 20 is located below the top end of the pipe body 10 to leave a distance corresponding to the nut 41 of the bolt.
As a preferred embodiment of the buried blind hole structure of the present invention, a lower end plate 11 is fixed to the bottom end of the pipe body 10;
an upper end plate 12 is fixed to the top end of the tubular body 10, and the upper end plate 12 is formed with an opening correspondingly communicating with the tubular body 10.
Specifically, the pipe body 10 and the lower end plate 11 made of square steel plate are welded through fillet welding; a round hole is formed in the middle of the upper end plate 12 made of square materials, the aperture of the round hole is slightly larger than the inner diameter of the pipe body 10, and the upper end plate 12 and the pipe body 10 are welded through fillet welding.
Specifically, during the non-operating condition, screw in the equal mantle fiber of the interior outer wall with the bolt and form in the screwed connecting pipe and fasten to avoid debris to get into the blind hole and cause the blind hole jam. When the device is in a working state, the bolt is screwed out and screwed into a force transmission rod piece used for experiments so as to meet the experiment requirements; when the repeated experiment reaches a certain abrasion degree, the connecting pipe is taken out for replacement, so that the experimental state is reached again after the replacement.
The utility model discloses bury blind hole structure's beneficial effect does:
the utility model discloses an adopt connecting piece detachably to install in the body, easy to assemble and dismantlement, the connecting piece inner wall forms the screw thread that supplies the biography power member installation of experiment usefulness to facilitate the installation to pass the power member. When the force transmission rod piece is detached in a non-working state, the plugging piece is inserted and fixed in the connecting pipe to plug the connecting pipe, so that the connecting pipe is prevented from being plugged due to sundries falling into the connecting pipe. In large-scale mechanics experiment, the utility model discloses not only can make and pass the accurate location of power member, make the experimental data more accurate have research value. And the connecting piece can be dismantled and change, has effectually prolonged the life of blind hole, improves the availability factor in laboratory, has avoided because of changing the blind hole and causing the waste that concrete structure torn open and modified.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims (6)

1. An underground blind via structure, comprising:
the pipe body is embedded in the concrete structure, and the inside of the pipe body is hollow and is communicated up and down;
the connecting pipe is hollow and runs through up and down, the connecting pipe is inserted into the pipe body, the connecting pipe is fixedly connected with the pipe body in a detachable mode, and a force transmission rod piece for experiments is installed in the connecting pipe; and
and after the force transmission rod piece is removed, a plugging piece which is detachably inserted and fixed in the connecting pipe to plug the connecting pipe is inserted and fixed.
2. The buried blind via structure of claim 1,
threads are formed on the inner wall of the pipe body;
the inner wall and the outer wall of the connecting pipe are both formed with threads, the connecting pipe is screwed in the pipe body, and the force transmission rod piece is screwed in the connecting pipe.
3. The buried blind via structure of claim 2,
the blocking piece is a bolt, and after the force transmission rod piece is removed, the bolt is inserted into the connecting pipe in a threaded mode.
4. The buried blind via structure of claim 3,
the top of the connecting pipe is located below the top of the pipe body, so that a distance corresponding to a nut of the bolt is reserved.
5. The buried blind via structure of claim 4,
the top surface of a nut of the bolt is flush with the top end of the pipe body;
the bottom surface of the nut of the bolt is positioned above the connecting pipe.
6. The buried blind via structure of claim 1,
a lower end plate is fixed at the bottom end of the pipe body in a plugging way;
an upper end plate is fixed at the top end of the tube body, and an opening correspondingly communicated with the tube body is formed in the upper end plate.
CN202021320256.8U 2020-07-08 2020-07-08 Buried blind hole structure Active CN212896855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021320256.8U CN212896855U (en) 2020-07-08 2020-07-08 Buried blind hole structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021320256.8U CN212896855U (en) 2020-07-08 2020-07-08 Buried blind hole structure

Publications (1)

Publication Number Publication Date
CN212896855U true CN212896855U (en) 2021-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021320256.8U Active CN212896855U (en) 2020-07-08 2020-07-08 Buried blind hole structure

Country Status (1)

Country Link
CN (1) CN212896855U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358105A (en) * 2021-05-13 2021-09-07 中国建筑第八工程局有限公司 Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358105A (en) * 2021-05-13 2021-09-07 中国建筑第八工程局有限公司 Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method
CN113358105B (en) * 2021-05-13 2023-02-28 中国建筑第八工程局有限公司 Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method

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