CN113957934A - Foundation pit displacement measuring instrument for engineering supervision construction - Google Patents

Foundation pit displacement measuring instrument for engineering supervision construction Download PDF

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Publication number
CN113957934A
CN113957934A CN202111469395.6A CN202111469395A CN113957934A CN 113957934 A CN113957934 A CN 113957934A CN 202111469395 A CN202111469395 A CN 202111469395A CN 113957934 A CN113957934 A CN 113957934A
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CN
China
Prior art keywords
disc
installation
foundation pit
displacement
column
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Withdrawn
Application number
CN202111469395.6A
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Chinese (zh)
Inventor
周健生
陈天骄
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Anhui Wanwei Engineering Management Co ltd
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Anhui Wanwei Engineering Management Co ltd
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Priority to CN202111469395.6A priority Critical patent/CN113957934A/en
Publication of CN113957934A publication Critical patent/CN113957934A/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention discloses a foundation pit displacement measuring instrument for engineering supervision construction in the technical field of detection devices, which comprises an installation seat, an installation column, a sliding sleeve, a detection rod, scale marks, an adjusting device, an installation disc, a displacement sensor, a connecting rod and a tightening disc, wherein the tightening disc is tightly installed on the inner wall of an external foundation pit through a fastening device, four induction blocks which correspond to the displacement sensor one by one are arranged on the tightening disc, and the induction blocks are matched with the displacement sensor for use. Support tight dish through setting up and rotate to be connected on the connecting rod for when the foundation ditch inboard produced the displacement, support tight dish and produce corresponding swing or horizontal migration, four displacement sensor of rethread gather the displacement data of four response pieces respectively, and through observing the scale mark that sliding sleeve terminal surface corresponds, and then can comprehensive analysis go out the displacement of foundation ditch, improve and detect the precision, through setting up fastener, make to support tight dish can more firmly support tightly install on the inboard of foundation ditch, guaranteed the precision that detects.

Description

Foundation pit displacement measuring instrument for engineering supervision construction
Technical Field
The invention relates to the technical field of detection devices, in particular to a foundation pit displacement measuring instrument for engineering supervision construction.
Background
Project supervision refers to the entrust of a supervision unit with related qualification by a party A, and represents a specialized service activity for monitoring the project construction of a party B by the party A according to project construction documents approved by the country, laws and regulations related to the project construction, project construction supervision contracts and other project construction contracts. The project supervision is a paid project consultation service which is entrusted by the first party, the supervision is mainly based on laws, regulations, technical standards, related contracts and documents, the supervision criterion is law keeping, integrity, justice and science, and the supervision aims to ensure the quality and safety of project construction, improve the project construction level and fully exert investment benefits.
Through retrieval, the Chinese patent No. CN208023626U discloses a foundation pit displacement measuring device for construction engineering supervision, which comprises a displacement transmission rod and a fixed pile, wherein the fixed pile is fixed with a support frame, a cylinder is fixed on the support frame, a spring is arranged in the cylinder, the right end of the spring is connected with a tension and compression sensor, the tension and compression sensor is connected with a shift lever through a push-pull rod, the upper end of the shift lever penetrates through a slot opening on the side wall of the cylinder to be fixed with the right end of the displacement transmission rod, and the left end of the displacement transmission rod is fixed with a pressing top ring beam fixedly arranged above a foundation pit supporting pile; displacement scales are further arranged on the side wall of the cylinder body along the slot opening; the tension and compression sensor is in signal connection with the microprocessor, the microprocessor is in signal connection with the touch operation screen, the storage module, the alarm module and the wireless communication module respectively, and the wireless communication module is in wireless communication connection with the handheld receiving terminal for construction engineering supervision.
Above-mentioned detection device among the prior art can only play and detect foundation ditch lateral displacement, because soil in the foundation ditch is receiving bottom surface settlement effort, probably produces horizontal, longitudinal movement, and only singly detects lateral displacement, can not detect the displacement of foundation ditch all-roundly, causes detection effect and precision lower.
Based on the above, the invention designs a foundation pit displacement measuring instrument for engineering supervision construction to solve the problems.
Disclosure of Invention
The invention aims to provide a foundation pit displacement measuring instrument for engineering supervision construction, which aims to solve the problems that the detection device in the prior art provided by the background technology can only detect the transverse displacement of the foundation pit, and the soil in the foundation pit can move transversely and longitudinally when being subjected to bottom surface settlement acting force, only the transverse displacement is detected singly, and the displacement of the foundation pit cannot be detected in all directions, so that the detection effect and the precision are low.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation pit displacement measuring instrument for supervision construction of engineering comprises an installation seat, wherein an installation column is vertically arranged on the installation seat, the upper end of the mounting column is hinged with a sliding sleeve which can swing up and down, a detection rod which can freely slide along the axial direction of the sliding sleeve is arranged on the sliding sleeve in a penetrating way, the detection rod is provided with a plurality of scale marks, the sliding sleeve is driven by the adjusting device to swing along the hinged part of the mounting column, one end of the detection rod, which penetrates out of the sliding sleeve, is provided with a mounting disc, four displacement sensors are arranged on the mounting disc in an array manner along the axial direction of the mounting disc, a connecting rod is coaxially and fixedly connected to the mounting disc, one end of the connecting rod, far away from the mounting disc, is coaxially and rotatably connected with a resisting disc, the resisting disc is tightly installed on the inner wall of the external foundation pit through a fastening device, and four induction blocks which are in one-to-one correspondence with the displacement sensors are arranged on the displacement sensor, and the induction blocks are matched with the displacement sensors for use.
Preferably, adjusting device is including articulating the spliced pole on sliding sleeve and mount pad respectively, two be connected with the regulation pole jointly on the spliced pole, the length direction both ends of regulation pole are equipped with screw thread portion respectively, two the screw thread of screw thread portion revolves to opposite, and respectively with two the spliced pole screw thread closes soon.
Preferably, a ball head is coaxially and fixedly connected to the connecting rod, a protruding portion is arranged on the end face of the abutting disc, and a spherical groove which is used for clamping the ball head and can freely rotate is formed in the protruding portion.
Preferably, the fastening device includes an insertion column coaxially disposed on the tightening plate, one end of the insertion column, which is far away from the tightening plate, is coaxially provided with a pointed cone, the insertion column is hollow and provided with a sliding plug capable of freely sliding along an axial direction of the insertion column, one end of the sliding plug, which faces the tightening plate, is provided with a magnetic conduction block, a conical portion is disposed in the insertion column, a tip portion of the conical portion faces the sliding plug and is embedded with an electromagnet, two through grooves corresponding to inclined surfaces of the conical portion are disposed on an outer wall of the insertion column, a spring plate with a V-shaped outer contour is disposed in the insertion column, and the electromagnet generates magnetism when being powered on and drives the sliding plug to drive the spring plate to move towards the electromagnet, so that two wing plates of the spring plate penetrate out of the through grooves along the inclined surfaces of the conical portion.
Preferably, two fixing blocks are arranged in the inserting column, a return spring is arranged between the fixing blocks and the sliding plug, the return spring elastically abuts against the sliding plug, and the sliding plug is driven to be away from the electromagnet in a natural state, so that the two wing plates of the elastic sheet are retracted into the inserting column.
Compared with the prior art, the invention has the beneficial effects that: the tightening disc is rotatably connected to the connecting rod through the arrangement, when the inner side of the foundation pit generates displacement, the tightening disc generates corresponding swing or horizontal movement, the displacement data of the four induction blocks are respectively collected through the four displacement sensors, and the scale marks corresponding to the end face of the sliding sleeve are observed, so that the displacement of the foundation pit can be comprehensively analyzed, the detection precision is improved, the tightening disc can be firmly and tightly installed on the inner side of the foundation pit through the arrangement of the fastening device, the detection precision is ensured, in addition, the tightening disc, the sliding sleeve and the coaxiality of the detection rod can be adjusted through the arrangement of the adjusting device, the original displacement data of the four displacement sensors are basically kept consistent, the misjudgment phenomenon of workers is reduced, in addition, the longitudinal component force effect when the detection rod is subjected to the displacement of the inner side of the foundation pit is avoided as much as possible, and the detection precision is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the final assembly of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a mounting seat, 2-a mounting column, 3-a threaded part, 4-a connecting column, 5-a detection rod, 6-a scale mark, 7-a sliding sleeve, 8-a displacement sensor, 9-a holding disc, 10-a pointed cone, 11-an inserting column, 12-a mounting disc, 13-a fixed block, 14-a through groove, 15-a sensing block, 16-a ball head, 17-a connecting rod, 18-a convex part, 19-an electromagnet, 20-a conical part, 21-an elastic sheet, 22-a reset spring, 23-a magnetic conduction block and 24-a sliding plug.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a foundation pit displacement measuring instrument for supervision construction of engineering comprises an installation base 1, wherein an installation column 2 is vertically installed on the installation base 1, the upper end of the installation column 2 is hinged with a sliding sleeve 7 capable of swinging up and down, a detection rod 5 capable of freely sliding along the axial direction of the sliding sleeve 7 is arranged on the sliding sleeve 7 in a penetrating mode, a plurality of scale marks 6 are arranged on the detection rod 5, the sliding sleeve 7 is driven by an adjusting device to swing along the hinged position with the installation column 2, one end, penetrating out of the sliding sleeve 7, of the detection rod 5 is provided with an installation disc 12, four displacement sensors 8 are arranged on the installation disc 12 along the axial direction array of the installation disc, a connecting rod 17 is coaxially and fixedly connected onto the installation disc 12, one end, far away from the installation disc 12, of the connecting rod 17 is coaxially and rotatably connected with a resisting disc 9, specifically, a ball head 16 is coaxially and fixedly connected onto the connecting rod 17, a bulge 18 is arranged on the end face of the resisting disc 9, and a spherical groove for the ball head 16 to clamp and capable of freely rotating is arranged on the bulge 18, the connecting rod 17 is rotatably connected with the abutting disc 9 through the rotation and the limitation of the ball head 16 in the spherical groove, the adjusting device comprises connecting columns 4 respectively hinged on the sliding sleeve 7 and the mounting seat 1, adjusting rods are commonly connected to the two connecting columns 4, thread parts 3 are respectively arranged at two ends of the length direction of each adjusting rod, the thread directions of the two thread parts 3 are opposite and are respectively screwed with the two connecting columns 4, when the abutting disc 9 is mounted, the abutting disc 9, the detecting rod 5 and the sliding sleeve 7 are required to be in a basic coaxial state, the adjusting rods are rotated at the moment, the two thread parts 3 are respectively screwed on the two connecting columns 4, the two connecting columns 4 relatively move due to the opposite thread directions of the two thread parts 3, the sliding sleeve 7 is driven to swing up and down along the hinged part with the mounting column 2, so that the abutting disc 9 and the detecting rod 5 can swing up and down along the hinged part of the abutting disc 9 after the abutting disc 9 is mounted, the detecting rod 5, The sliding sleeve 7 is in a basic coaxial state, the abutting disc 9 is abutted and mounted on the inner wall of an external foundation pit through a fastening device, the fastening device comprises an inserting column 11 coaxially arranged on the abutting disc 9, one end of the inserting column 11 far away from the abutting disc 9 is coaxially provided with a pointed cone 10, the inserting column 11 is hollow and is provided with a sliding plug 24 capable of freely sliding along the axial direction, one end of the sliding plug 24 facing the abutting disc 9 is provided with a magnetic conduction block 23, the inserting column 11 is internally provided with a conical part 20, the tip part of the conical part 20 faces the sliding plug 24 and is internally embedded with an electromagnet 19, the outer wall of the inserting column 11 is provided with two through grooves 14 corresponding to the inclined surfaces of the conical part 20, the inserting column 11 is internally provided with an elastic sheet 21 with a V-shaped outer contour, the electromagnet 19 generates magnetism when being electrified and drives the sliding plug 24 to drive the elastic sheet 21 to move towards the direction of the electromagnet 19, so that two wing plates of the elastic sheet 21 penetrate out of the through grooves 14 along the inclined surfaces of the conical part 20, two fixing blocks 13 are arranged in the inserting column 11, a return spring 22 is arranged between the fixing blocks 13 and the sliding plug 24, the return spring 22 elastically abuts against the sliding plug 24, in a natural state, the sliding plug 24 is driven to be away from the electromagnet 19, so that two wing plates of the elastic plate 21 are retracted into the inserting column 11, when the abutting disc 9 is installed, firstly, the pointed cone 10 is inserted into soil on the inner side of a foundation pit, then, an external power supply is switched on, the electromagnet 19 is powered on to generate magnetism, further, the magnetic conduction block 23 is driven to move towards the electromagnet 19, further, the sliding plug 24 is driven to move, in the moving process, the sliding plug 24 compresses the return spring 22, meanwhile, the magnetic conduction block 23 pushes the elastic plate 21 to move towards the conical part 20, and the two wing plates on the elastic plate 21 penetrate out of the through groove 14 along the inclined plane of the conical part 20, so that the parts of the two wing plates of the elastic plate 21, which penetrate out of the through groove 14, can limit the inserting column 11, or make the inserting column 11 difficult to pull out of the soil, the stability of the inserted column 11 after installation is improved, four induction blocks 15 which are in one-to-one correspondence with the displacement sensors 8 are arranged on the abutting disc 9, the induction blocks 15 are matched with the displacement sensors 8 for use, after installation is finished, when the inner side of a foundation pit generates displacement, the abutting disc 9 correspondingly swings up and down and left and right or drives the abutting disc 9 to horizontally move, at the moment, the reset spring 22 generates elastic abutting on the sliding plug 24 by observing the scale marks corresponding to the end surface of the sliding sleeve 7 and the displacement data of the induction blocks 15 collected by the displacement sensors 8, so that the omnibearing displacement of the foundation pit can be detected, the detection precision of the displacement of the foundation pit is improved, when the device is disassembled, the power supply of the electromagnet 19 is directly disconnected, the reset spring 22 generates elastic abutting on the sliding plug 24, the sliding plug 24 is further driven to reversely slide, the elastic sheet 21 loses abutting force and retracts into the inserted column 11, and the inserted column 11 can be easily extracted from the soil on the inner side of the foundation pit, and finishing the dismantling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The foundation pit displacement measuring instrument for the supervision and construction of engineering is characterized by comprising an installation base (1), wherein an installation column (2) is vertically installed on the installation base (1), a sliding sleeve (7) capable of swinging up and down is hinged to the upper end of the installation column (2), a detection rod (5) capable of freely sliding along the axial direction of the detection rod is arranged on the sliding sleeve (7) in a penetrating mode, a plurality of scale marks (6) are arranged on the detection rod (5), the sliding sleeve (7) is driven by an adjusting device to swing along the hinged position with the installation column (2), one end, penetrating out of the sliding sleeve (7), of the detection rod (5) is provided with an installation disc (12), four displacement sensors (8) are arranged on the installation disc (12) along the axial direction of the installation disc, a connecting rod (17) is coaxially fixedly connected on the installation disc (12), one end, far away from the installation disc (12), of the connecting rod (17) is coaxially rotatably connected with a resisting disc (9), the abutting disc (9) is abutted and mounted on the inner wall of an external foundation pit through a fastening device, four induction blocks (15) which correspond to the displacement sensors (8) one to one are arranged on the abutting disc, and the induction blocks (15) are matched with the displacement sensors (8) for use.
2. The foundation pit displacement measuring instrument for supervision of engineering construction according to claim 1, wherein the adjusting device comprises two connecting columns (4) respectively hinged to the sliding sleeve (7) and the mounting base (1), two connecting columns (4) are commonly connected with an adjusting rod, two ends of the adjusting rod in the length direction are respectively provided with a threaded portion (3), the threads of the two threaded portions (3) are opposite in thread direction, and are respectively screwed with the two connecting columns (4).
3. The foundation pit displacement measuring instrument for supervision and construction of engineering according to claim 1, wherein the connecting rod (17) is coaxially and fixedly connected with a ball head (16), the end surface of the abutting disc (9) is provided with a protruding part (18), and the protruding part (18) is provided with a spherical groove which is used for clamping the ball head (16) and can freely rotate.
4. The foundation pit displacement measuring instrument for engineering supervision construction according to claim 1, wherein the fastening device comprises an insert column (11) coaxially arranged on the tightening disc (9), one end of the insert column (11) far away from the tightening disc (9) is coaxially provided with a pointed cone (10), the insert column (11) is hollow and provided with a sliding plug (24) capable of freely sliding along the axial direction of the insert column, one end of the sliding plug (24) facing the tightening disc (9) is provided with a magnetic conduction block (23), a conical part (20) is arranged in the insert column (11), the tip of the conical part (20) faces the sliding plug (24) and is embedded with an electromagnet (19), the outer wall of the insert column (11) is provided with two through grooves (14) corresponding to the inclined surfaces of the conical part (20), an elastic sheet (21) with a V-shaped outer contour is arranged in the insert column (11), and the electromagnet (19) generates magnetism when being electrified, and the sliding plug (24) is driven to drive the elastic sheet (21) to move towards the electromagnet (19), so that the two wing plates of the elastic sheet (21) penetrate out of the through groove (14) along the inclined surface of the conical part (20).
5. The foundation pit displacement measuring instrument for engineering supervision construction according to claim 4, wherein two fixing blocks (13) are arranged in the insert column (11), a return spring (22) is arranged between the fixing blocks (13) and the sliding plug (24), the return spring (22) elastically abuts against the sliding plug (24), and in a natural state, the sliding plug (24) is driven to be away from the electromagnet (19), so that two wing plates of the elastic sheet (21) are retracted into the insert column (11).
CN202111469395.6A 2021-12-04 2021-12-04 Foundation pit displacement measuring instrument for engineering supervision construction Withdrawn CN113957934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111469395.6A CN113957934A (en) 2021-12-04 2021-12-04 Foundation pit displacement measuring instrument for engineering supervision construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111469395.6A CN113957934A (en) 2021-12-04 2021-12-04 Foundation pit displacement measuring instrument for engineering supervision construction

Publications (1)

Publication Number Publication Date
CN113957934A true CN113957934A (en) 2022-01-21

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Application Number Title Priority Date Filing Date
CN202111469395.6A Withdrawn CN113957934A (en) 2021-12-04 2021-12-04 Foundation pit displacement measuring instrument for engineering supervision construction

Country Status (1)

Country Link
CN (1) CN113957934A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115234799A (en) * 2022-05-05 2022-10-25 佛山市平石深基坑工程有限公司 Wisdom building site foundation ditch displacement monitoring devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115234799A (en) * 2022-05-05 2022-10-25 佛山市平石深基坑工程有限公司 Wisdom building site foundation ditch displacement monitoring devices
CN115234799B (en) * 2022-05-05 2024-04-12 佛山市平石深基坑工程有限公司 Intelligent site pit displacement monitoring device

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