CN112343101A - Pile foundation detection counterforce device - Google Patents

Pile foundation detection counterforce device Download PDF

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Publication number
CN112343101A
CN112343101A CN202011219408.XA CN202011219408A CN112343101A CN 112343101 A CN112343101 A CN 112343101A CN 202011219408 A CN202011219408 A CN 202011219408A CN 112343101 A CN112343101 A CN 112343101A
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lifting
pile foundation
group
driving
rotary
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CN112343101B (en
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房磊
胡绍辉
罗强
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
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  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a pile foundation detection counterforce device, relates to the technical field of building construction, and solves the problems that the existing pile foundation can only detect a fixed position during detection, the installation and the use are inconvenient, the operation is troublesome, the detection efficiency is low, and meanwhile, the existing detection device is generally installed on one side, the impact on a counterforce frame is large, the vibration is easily caused, and the detection effect is influenced; the lower part of the outer side of the counter-force support outer frame is fixedly connected with a group of lifting driving pieces; the inner side of the rotating bracket is connected with four groups of test mounting assemblies in a circumferential array arrangement hinge; and the mounting support connecting piece is provided with a test device. The invention can realize the test of the pile foundation at different positions, angles and heights, has more comprehensive test data and more accurate test result, and simultaneously, the invention adopts the oppositely arranged installation components to detect the pile foundation, so that the impacts on two sides can be mutually offset, the vibration is reduced, and the supporting performance is ensured.

Description

Pile foundation detection counterforce device
Technical Field
The invention relates to the technical field of building construction, in particular to a pile foundation detection counterforce device.
Background
Deep foundations (see the figure) consisting of piles and pile caps (referred to as caps for short) connecting pile tops or single-pile foundations, referred to as pile foundations for short, connecting piles with piles. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; when the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is positioned above the ground, the pile body is called a high pile cap pile foundation. The building pile foundation is usually a low-bearing platform pile foundation, and in a high-rise building, the pile foundation is widely applied, and the performance of the pile foundation needs to be detected after the pile foundation is poured.
For example, application No.: CN201810451492.4 a building pile foundation detection technique, through side hole transmission wave method detection pile foundation quality, wherein set up the difference signal and produce the post by the detection pipe, produce the mechanical wave signal that the capital produced through the detector detection difference signal, carry out the difference calculation to the mechanical wave signal that the pile foundation top produced, through the first wave slope inflection point in the time-depth oscillogram that the difference signal produced, confirm the quality situation of pile foundation. By the building pile foundation detection technology, the accuracy and the reliability of pile body defect detection can be improved.
Based on the above, the existing pile foundation can only detect the fixed position during detection, and when the pile foundation is detected at different heights, heights and circumferential positions, the detection device needs to be disassembled and reinstalled, so that the installation and use are inconvenient, the operation is troublesome, the detection efficiency is low, and meanwhile, the existing detection device is generally installed on one side, so that the impact on the reaction frame is large, the vibration is easily caused, and the detection effect is influenced; therefore, the existing requirements are not met, and a pile foundation detection counterforce device is provided for the pile foundation detection counterforce device.
Disclosure of Invention
The invention aims to provide a pile foundation detection counterforce device, which aims to solve the problems that the conventional pile foundation provided in the background technology can only detect a fixed position during detection, the detection device needs to be disassembled and reinstalled when detecting different heights, heights and circumferential positions, the installation and use are inconvenient, the operation is troublesome, the detection efficiency is low, and the conventional detection device is generally installed on one side, has large impact on a counterforce frame, is easy to cause vibration and affects the detection effect.
In order to achieve the purpose, the invention provides the following technical scheme: a pile foundation detection counterforce device comprises a counterforce support outer frame; the lower part of the outer side of the counter-force support outer frame is fixedly connected with a group of lifting driving pieces; the inner circumference of the rotary driving piece is arranged in an array manner and is rotationally connected with five groups of lifting screw rods; the inner part of the counter-force support outer frame is connected with a group of lifting frames in a sliding manner; the inner side of the lifting frame is rotatably connected with a group of rotating supports; the upper end face of the lifting frame is fixedly connected with a group of rotary driving pieces; four groups of swing driving pieces are fixedly connected to the top of the rotary support in a circumferential array manner; the inner side of the rotating bracket is connected with four groups of test mounting assemblies in a circumferential array arrangement hinge; the bottom of each group of test mounting assemblies is hinged with a group of mounting support connecting pieces; and the mounting support connecting piece is provided with a test device.
Preferably, the counterforce support outer frame further comprises a lifting guide sliding rail, the lifting guide sliding rail is arranged and arranged on the inner circumference of the counterforce support outer frame, the lifting frame further comprises a lifting guide sliding groove, the lifting guide sliding groove is arranged and arranged on the outer circumference of the lifting frame, and the lifting guide sliding groove is connected with the lifting guide sliding rail in a sliding mode.
Preferably, the lifting driving part further comprises a lifting driving bevel gear, a group of lifting driving bevel gears is coaxially and fixedly connected to a rotating shaft of the lifting driving part, the lifting screw rod further comprises a lifting driven bevel gear, a group of lifting driven bevel gears is coaxially and fixedly connected to the bottom of the rightmost group of lifting screw rods, and the lifting driving bevel gear and the lifting driven bevel gears are meshed to form a bevel gear transmission mechanism.
Preferably, the lifting screw rods further comprise lifting synchronous chain wheels, the bottoms of the lifting screw rods are coaxially and fixedly connected with two groups of lifting synchronous chain wheels, and the lifting synchronous chain wheels between two adjacent groups of lifting screw rods are connected through a transmission chain in a transmission manner to form a transmission chain transmission mechanism.
Preferably, ten groups of lifting screw rods are simultaneously in threaded transmission connection with the lifting frame, and the lifting screw rods and the lifting frame jointly form a screw rod nut transmission pair.
Preferably, the rotary driving part further comprises a rotary driving gear, a group of rotary driving gears are coaxially and fixedly connected to the bottom rotating shaft of the rotary driving part, the rotary support further comprises a rotary driven gear ring, a group of rotary driven gear rings are fixedly connected to the outer side of the top of the rotary support, and the rotary driving gear and the rotary driven gear rings are meshed to form a gear transmission mechanism together.
Preferably, a group of swing driving blocks is fixedly connected to a piston rod of the swing driving member, and the swing driving blocks are slidably connected with the reaction force supporting outer frame.
Preferably, the other end of the mounting support connecting piece is hinged with the swinging driving block, and the swinging driving block, the test mounting assembly, the mounting support connecting piece and the counterforce support outer frame jointly form a slider-crank mechanism.
Compared with the prior art, the invention has the beneficial effects that:
the lifting frame is uniformly lifted by adopting the bevel gear transmission mechanism, the transmission chain transmission mechanism and the lead screw nut transmission pair, the mounting height of the testing device is adjusted, and the testing detection can be carried out on different heights of the pile foundation; the gear transmission mechanism is adopted to drive the rotating bracket to rotate, the installation position of the testing device is changed, and testing tests can be carried out on different positions of the pile foundation; the test installation assembly is driven to swing by the crank slider mechanism, the installation angle of the test installation assembly is adjusted, detection tests under different angles are realized, testing on pile foundations at different positions, angles and heights can be realized, test data are more comprehensive, and test results are more accurate.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the internal axial side structure of the present invention;
FIG. 3 is a schematic side view of the mounting shaft of the elevating screw rod of the present invention;
FIG. 4 is a schematic side view of the lift screw shaft of the present invention;
FIG. 5 is a schematic side view of the drive shaft of the rotating bracket of the present invention;
FIG. 6 is a schematic side view of the mounting shaft of the swivel bracket of the present invention;
FIG. 7 is a schematic side view of the test mounting assembly mounting shaft of the present invention;
FIG. 8 is a schematic side view of the reaction support outer frame of the present invention;
in the figure: 1. the counter-force supports the outer frame; 101. a lifting guide slide rail; 2. a lifting drive member; 201. a lifting drive bevel gear; 3. a lifting screw rod; 301. lifting the driven bevel gear; 302. a lifting simultaneous movement chain wheel; 4. a lifting frame; 401. a lifting guide chute; 5. a rotary drive member; 501. a rotary drive gear; 6. rotating the bracket; 601. rotating the driven gear ring; 7. a swing drive; 701. swinging the driving block; 8. testing the installation component; 9. and installing a supporting connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a pile foundation detection counterforce device comprises a counterforce support outer frame 1; the lower part of the outer side of the counter-force supporting outer frame 1 is fixedly connected with a group of lifting driving pieces 2; five groups of lifting screw rods 3 are arranged and rotationally connected in the internal circumference of the rotary driving piece 5; the inner part of the counter-force support outer frame 1 is connected with a group of lifting frames 4 in a sliding way; the inner side of the lifting frame 4 is rotatably connected with a group of rotating brackets 6; the upper end surface of the lifting frame 4 is fixedly connected with a group of rotary driving pieces 5; four groups of swing driving pieces 7 are fixedly connected to the top of the rotating bracket 6 in a circumferential array manner; the inner side of the rotating bracket 6 is connected with four groups of test mounting assemblies 8 in a circumferential array arrangement hinge manner; the bottom of each group of test mounting assemblies 8 is hinged with a group of mounting support connecting pieces 9; the mounting support connecting piece 9 is provided with a test device.
Further, counterforce supports outrigger 1 and still including lift direction slide rail 101, the inside circumference array of counterforce support outrigger 1 arranges and is provided with lift direction slide rail 101, crane 4 is still including lift direction spout 401, crane 4's outside circumference array arranges and has seted up lift direction spout 401, lift direction spout 401 and lift direction slide rail 101 sliding connection, in use, when having realized the direction to crane 4 through lift direction spout 401 and lift direction slide rail 101 sliding connection.
Further, the lifting driving member 2 further comprises a lifting driving bevel gear 201, a group of lifting driving bevel gears 201 is coaxially and fixedly connected to a rotating shaft of the lifting driving member 2, the lifting screw rod 3 further comprises a lifting driven bevel gear 301, a group of lifting driven bevel gears 301 is coaxially and fixedly connected to the bottom of the group of lifting screw rods 3 on the rightmost side, the lifting driving bevel gear 201 and the lifting driven bevel gears 301 are meshed to jointly form a bevel gear transmission mechanism, and in use, the lifting driving member 2 drives the lifting screw rod 3 to rotate through the bevel gear transmission mechanism formed by the meshing of the lifting driving bevel gear 201 and the lifting driven bevel gears 301.
Further, the lifting screw rods 3 further comprise lifting co-acting chain wheels 302, the bottoms of the lifting screw rods 3 are coaxially and fixedly connected with two groups of lifting co-acting chain wheels 302, the lifting co-acting chain wheels 302 between two adjacent groups of lifting screw rods 3 are connected through transmission of a transmission chain to jointly form a transmission chain transmission mechanism, and when one group of the lifting screw rods 3 rotates, the lifting screw rods 3 drive all the lifting screw rods 3 to synchronously rotate through the transmission chain transmission mechanism formed by the lifting co-acting chain wheels 302.
Further, ten sets of lifting screw rods 3 are simultaneously in threaded transmission connection with the lifting frame 4, the lifting screw rods 3 and the lifting frame 4 jointly form a screw rod nut transmission pair, and when all the lifting screw rods 3 rotate synchronously in use, the lifting screw rods 3 drive the lifting frame 4 to lift uniformly through the screw rod nut transmission pair formed by the lifting screw rods 3 and the lifting frame 4 jointly.
Further, the rotary driving member 5 further comprises a rotary driving gear 501, a group of rotary driving gears 501 are coaxially and fixedly connected to a rotating shaft at the bottom of the rotary driving member 5, the rotary support 6 further comprises a rotary driven gear ring 601, a group of rotary driven gear rings 601 are fixedly connected to the outer side of the top of the rotary support 6, the rotary driving gear 501 and the rotary driven gear rings 601 are meshed to jointly form a gear transmission mechanism, and in use, the rotary driving member 5 and the rotary driven gear rings 601 are meshed to jointly form the gear transmission mechanism to drive the rotary support 6 to rotate.
Further, a set of swing driving blocks 701 is fixedly connected to the piston rod of the swing driving member 7, the swing driving blocks 701 are slidably connected to the reaction force supporting frame 1, and in use, the swing driving member 7 drives the swing driving blocks 701 to slide up and down.
Further, the other end of the mounting support connecting piece 9 is hinged with the swing driving block 701, a slider-crank mechanism is formed by the swing driving block 701, the test mounting assembly 8, the mounting support connecting piece 9 and the reaction support outer frame 1 together, when the swing driving block 701 slides up and down in use, the swing driving block 701 drives the test mounting assembly 8 to swing through the slider-crank mechanism formed by the swing driving block 701, the test mounting assembly 8, the mounting support connecting piece 9 and the reaction support outer frame 1 together, the mounting angle of the test mounting assembly 8 is adjusted, and detection tests at different angles are achieved.
The working principle is as follows: when the lifting testing device is used, the lifting driving piece 2 is meshed with the lifting driven bevel gear 301 through the lifting driving bevel gear 201 to jointly form a bevel gear transmission mechanism to drive the lifting screw rods 3 to rotate, the lifting screw rods 3 drive all the lifting screw rods 3 to synchronously rotate through a transmission chain transmission mechanism formed by the lifting synchronous chain wheel 302, the lifting screw rods 3 drive the lifting frames 4 to uniformly lift through a screw rod nut transmission pair formed by the lifting screw rods 3 and the lifting frames 4, the mounting height of the testing device is adjusted, and different heights of pile foundations can be tested and detected; the rotary driving part 5 is meshed with the rotary driven gear ring 601 through the rotary driving gear 501 to form a gear transmission mechanism together to drive the rotary support 6 to rotate, the installation position of the testing device is changed, and testing tests can be carried out on different positions of a pile foundation; the swing driving piece 7 drives the swing driving block 701 to slide up and down, the swing driving block 701 drives the test mounting assembly 8 to swing through a slider-crank mechanism jointly formed by the swing driving block 701, the test mounting assembly 8, the mounting support connecting piece 9 and the counterforce support outer frame 1, the mounting angle of the test mounting assembly 8 is adjusted, and detection tests at different angles are achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a pile foundation detects counterforce device which characterized in that: comprises a counterforce support outer frame (1); the lower part of the outer side of the counter-force supporting outer frame (1) is fixedly connected with a group of lifting driving pieces (2); five groups of lifting screw rods (3) are arranged and rotationally connected with the inner circumference of the rotary driving piece (5) in an array manner; a group of lifting frames (4) are connected inside the counter-force supporting outer frame (1) in a sliding manner; the inner side of the lifting frame (4) is rotatably connected with a group of rotating brackets (6); the upper end surface of the lifting frame (4) is fixedly connected with a group of rotary driving pieces (5); four groups of swing driving pieces (7) are fixedly connected to the top of the rotary support (6) in a circumferential array arrangement; the inner side of the rotating bracket (6) is connected with four groups of test mounting assemblies (8) in a circumferential array arrangement hinge manner; the bottom of each group of test mounting assemblies (8) is hinged with a group of mounting support connecting pieces (9); and the mounting support connecting piece (9) is provided with a test device.
2. The pile foundation detection counterforce device of claim 1, wherein: the reaction support outer frame (1) is characterized by further comprising a lifting guide sliding rail (101), the inner circumference array of the reaction support outer frame (1) is provided with the lifting guide sliding rail (101), the lifting frame (4) is further provided with a lifting guide sliding groove (401), the outer circumference array of the lifting frame (4) is provided with the lifting guide sliding groove (401), and the lifting guide sliding groove (401) is connected with the lifting guide sliding rail (101) in a sliding mode.
3. The pile foundation detection counterforce device of claim 1, wherein: the lifting driving piece (2) is characterized by further comprising a lifting driving bevel gear (201), a group of lifting driving bevel gears (201) are coaxially and fixedly connected to a rotating shaft of the lifting driving piece (2), the lifting screw rod (3) is further comprising a lifting driven bevel gear (301), a group of lifting driven bevel gears (301) are coaxially and fixedly connected to the bottom of a group of lifting screw rods (3) on the rightmost side, and the lifting driving bevel gears (201) and the lifting driven bevel gears (301) are meshed to form a bevel gear transmission mechanism.
4. The pile foundation detection counterforce device of claim 1, wherein: the lifting screw rods (3) further comprise lifting synchronous chain wheels (302), the bottoms of the lifting screw rods (3) are coaxially and fixedly connected with two groups of lifting synchronous chain wheels (302), and the lifting synchronous chain wheels (302) between two adjacent groups of lifting screw rods (3) are connected through transmission chains to jointly form a transmission chain transmission mechanism.
5. The pile foundation detection counterforce device of claim 1, wherein: the ten groups of lifting screw rods (3) are simultaneously in threaded transmission connection with the lifting frame (4), and the lifting screw rods (3) and the lifting frame (4) jointly form a screw rod nut transmission pair.
6. The pile foundation detection counterforce device of claim 1, wherein: the rotary driving part (5) is characterized by further comprising a rotary driving gear (501), a group of rotary driving gears (501) are coaxially and fixedly connected to the bottom rotating shaft of the rotary driving part (5), the rotary support (6) is further provided with a rotary driven gear ring (601), a group of rotary driven gear rings (601) are fixedly connected to the outer side of the top of the rotary support (6), and the rotary driving gear (501) and the rotary driven gear rings (601) are meshed to form a gear transmission mechanism together.
7. The pile foundation detection counterforce device of claim 1, wherein: a group of swing driving blocks (701) are fixedly connected to a piston rod of the swing driving piece (7), and the swing driving blocks (701) are in sliding connection with the reaction force supporting outer frame (1).
8. The pile foundation detection counterforce device of claim 1, wherein: the other end of the mounting support connecting piece (9) is hinged with the swing driving block (701), and a crank slider mechanism is formed among the swing driving block (701), the test mounting assembly (8), the mounting support connecting piece (9) and the counter force support outer frame (1) together.
CN202011219408.XA 2020-11-05 2020-11-05 Pile foundation detection counterforce device Active CN112343101B (en)

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CN112343101B CN112343101B (en) 2021-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117188541A (en) * 2023-11-06 2023-12-08 合肥工大共达工程检测试验有限公司 Building pile foundation detects counter-force device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110217125A1 (en) * 2010-02-22 2011-09-08 Ben Kasprick Method and apparatus for load testing a pile
CN107724442A (en) * 2017-10-16 2018-02-23 浙江煤炭测绘院 A kind of static load resistance to compression lotus experimental rig
CN207215591U (en) * 2017-09-09 2018-04-10 浙江煤炭测绘院有限公司 A kind of pile foundation resistance to plucking static test counterforce device
CN108547332A (en) * 2018-05-12 2018-09-18 宁波亿诺维信息技术有限公司 A kind of buildings pile detection technique
CN211340889U (en) * 2019-11-25 2020-08-25 河南日盛综合检测有限公司 Static load detection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110217125A1 (en) * 2010-02-22 2011-09-08 Ben Kasprick Method and apparatus for load testing a pile
CN207215591U (en) * 2017-09-09 2018-04-10 浙江煤炭测绘院有限公司 A kind of pile foundation resistance to plucking static test counterforce device
CN107724442A (en) * 2017-10-16 2018-02-23 浙江煤炭测绘院 A kind of static load resistance to compression lotus experimental rig
CN108547332A (en) * 2018-05-12 2018-09-18 宁波亿诺维信息技术有限公司 A kind of buildings pile detection technique
CN211340889U (en) * 2019-11-25 2020-08-25 河南日盛综合检测有限公司 Static load detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117188541A (en) * 2023-11-06 2023-12-08 合肥工大共达工程检测试验有限公司 Building pile foundation detects counter-force device
CN117188541B (en) * 2023-11-06 2024-02-13 合肥工大共达工程检测试验有限公司 Building pile foundation detects counter-force device

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