CN113048961A - Measuring tool for independent foundation positioning and using method - Google Patents

Measuring tool for independent foundation positioning and using method Download PDF

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Publication number
CN113048961A
CN113048961A CN202110492583.4A CN202110492583A CN113048961A CN 113048961 A CN113048961 A CN 113048961A CN 202110492583 A CN202110492583 A CN 202110492583A CN 113048961 A CN113048961 A CN 113048961A
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China
Prior art keywords
line
lifting
plumb bob
wide
positioning
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Pending
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CN202110492583.4A
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Chinese (zh)
Inventor
张华�
彭进
刘滔滔
黄世晨
张元甫
吴小君
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China Construction Fourth Bureau Third Construction Engineering Co Ltd
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China Construction Fourth Bureau Third Construction Engineering Co Ltd
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Priority to CN202110492583.4A priority Critical patent/CN113048961A/en
Publication of CN113048961A publication Critical patent/CN113048961A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/10Plumb lines

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a measuring tool for independent foundation positioning and a using method thereof, wherein the measuring tool comprises two support frames, a wide line, a lifting ring, a lifting line and a plumb bob, the two support frames are symmetrically arranged, the wide line which is detachably connected is arranged between the two support frames, the lifting ring is sleeved in the wide line and can move left and right on the wide line, the lower end of the lifting line is fixedly connected with the plumb bob, the upper end of the lifting line is movably connected with the lifting ring, the lifting line forms a movable joint through the lifting ring, and the plumb bob can adjust the lifting height or the falling height of the plumb bob through the movable joint under the action of the lifting line; the suspension wire is vertical to the axis of the wide wire, and the plumb bob can freely move along the axis of the wide wire through the suspension wire and the hanging ring. The measuring tool is used for independent foundation positioning measurement, can quickly and accurately determine foundation positioning, shortens measuring time and improves lofting efficiency; the novel LED lamp has the advantages of simple structure, reasonable design, low manufacturing cost and strong practicability, and is favorable for popularization and application.

Description

Measuring tool for independent foundation positioning and using method
Technical Field
The invention relates to the technical field of civil engineering, in particular to a measuring tool for positioning an independent foundation and a using method thereof.
Background
In the building construction process, when a pouring foundation structure is installed in an excavated foundation pit, the position needs to be accurately positioned. According to field investigation, in the building engineering at present, a construction method is to mark the bottom of a foundation pit, a measurer repeatedly uses a total station to position and pay off the foundation pit, when the existing construction method is used for measuring and positioning the foundation pit with deeper excavation and complex construction site, the total station is used for measuring, and a measurement control point needs to be rotated for multiple times, so that the paying-off process takes much time, the error of a coordinate point is increased due to the fact that the measurement control point is rotated for multiple times, and if positioning deviation is caused, the quality of the whole building is affected. The mode not only consumes more manpower, but also has more determined number of measurement control points, and the on-site positioning and leveling process is more troublesome, so that the speed is low, and the mode is not suitable for being adopted in a large amount on a construction site.
Disclosure of Invention
The invention aims to solve the technical problems in the background art, and provides a measuring tool which is simple in structure, low in cost and convenient to operate and use.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a measuring tool for independent foundation positioning comprises two support frames, a wide line, a lifting ring, a lifting line and a plumb bob, wherein the two support frames are symmetrically arranged, the wide line which is detachably connected is arranged between the two support frames, the lifting ring is sleeved in the wide line and can move left and right on the wide line, the lower end of the lifting line is fixedly connected with the plumb bob, the upper end of the lifting line is movably connected with the lifting ring, the lifting line forms a movable knot through the lifting ring, and the plumb bob can adjust the lifting height or the falling height of the plumb bob through the movable knot under the action of the lifting line; the plumb bob can freely move along the axis of the wide line through the plumb line and the hanging ring.
Furthermore, the measuring tool for positioning the independent foundation comprises a plurality of supporting rods, bolts and supporting legs, wherein the bolts are fixed on the supporting rods at equal intervals, the supporting legs are arranged at the bottom of the supporting rods, and the wide lines are connected with the supporting frames through the bolts.
Furthermore, the measuring tool for positioning the independent foundation is characterized in that the supporting rod is a 650mm × 50mm × 4mm square aluminum alloy tube, the number of the bolts is three, the bolts are M8 × 1.25 × 50 bolts, the distance between the three bolts is 200mm, the distance between the bolt at the upper part and the top of the supporting rod is 100mm, the distance between the bolt at the lower part and the bottom of the supporting rod is 150mm, and the three bolts fixed in the two supporting frames are distributed in a symmetrical state; the supporting legs are composed of four reinforcing steel bars with the length of 350mm and the diameter of 10mm, the four reinforcing steel bars are fixedly connected with the bottom of the supporting rod in a radial mode through a welding mode, and the included angle between each reinforcing steel bar and the ground is 30 degrees.
Further, the measuring tool for independent foundation positioning is characterized in that a steel wire rope with the length of 8-10 m is adopted as the wide wire, a metal ring with the diameter of 10mm is adopted as the lifting ring, a flexible rope with the length of 5-7 m is adopted as the lifting wire, and a solid metal hammer with the weight of 0.2-0.3 kg is adopted as the hammer.
The invention also discloses a using method for positioning the independent foundation by using the measuring tool, the using method comprises the steps of tool installation before use and foundation positioning point determination during use, and the using method specifically comprises the following steps:
(1) before use, a total station is used for finding out two axes at the upper part of an excavated foundation pit, and then the support frame is placed on the excavated foundation pit by using the support legs, and the placing position is required to be stable; finally, the hanging ring is threaded on the wide line, so that two ends of the wide line are respectively connected with the bolts on the supporting frame; meanwhile, the lower end of the suspension wire is fixedly connected with the plumb bob, and the upper end of the suspension wire penetrates through the hanging ring to form a movable knot, so that tool installation before use is completed;
(2) when the device is used, the wide line is aligned with one of the found axes at the upper part of the foundation pit, the projection of the wide line and the axis are on the same straight line by using a projection principle, the hammer freely moves along the axis where the wide line is located under the action of a suspension wire and a hanging ring, two different points are marked in the foundation pit by using the free falling point of the hammer, and the axes where the two points are located are popped up, so that a first axis in the foundation pit is determined; then aligning the broad line with another found axis at the upper part of the foundation pit, using a projection principle to enable the projection of the broad line and the axis to be on the same straight line, marking two different points in the foundation pit by using a free falling point of a plumb bob through the free movement of the plumb bob along the axis of the broad line under the action of a suspension line and a suspension ring, and popping up the axes of the two points so as to determine a second axis in the foundation pit; and finally, marking out a positioning line of the independent foundation by using a tape according to two axis lines popped out in the foundation pit, and determining a geometric dimension sideline of the independent foundation through the marked positioning line to obtain the positioning position of the foundation pit.
Further, by adopting the using method of the invention, before using, the span of the wide line can be adjusted according to the width of the foundation pit, the wide line is required to be in a straight state, the height of the plumb bob can be adjusted according to the depth of the foundation pit, and the rising or falling height of the plumb bob is adjusted through a movable joint in the suspension line; when the device is used, the plumb bob freely falls to the body point, and when the measuring positioning point mark is carried out, the plumb bob is required to be in a static state.
Compared with the prior art, the measuring tool for independent foundation positioning and the using method thereof have the advantages that: because be equipped with wide line between two support frames, and rings cover are arranged in on the wide line to can follow wide line removal, simultaneously, plumb bob passes through suspension wire and rings swing joint, plumb bob can follow the axis free movement that the wide line was located under rings's effect, through plumb bob free falling body point, conveniently confirm corresponding axis in the foundation ditch. Before the positioning device is used, the axis is found out at the upper part of the foundation pit, when the positioning device is used, the projection principle is utilized, the wide line is aligned to the axis, the independent foundation positioning axis point in the foundation pit is based on the free floor point of the plumb bob, the axis is popped out according to the floor point of the plumb bob, and the independent foundation positioning line is released by the tape measure, so that the positioning position of the foundation pit can be obtained. The measuring tool is used for independent foundation positioning measurement, effectively solves the problems of time consumption, labor waste and poor measuring precision in the foundation positioning measurement, has simple structure and reasonable design, can quickly and accurately determine the foundation positioning, greatly shortens the measuring time and improves the lofting efficiency; and the tool is made of common materials, low in manufacturing cost, less in labor required for operation, strong in practicability and beneficial to popularization and application.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structural state of the measuring tool according to the invention in use.
Shown in the figure: 1-support frame, 11-support rod, 12-bolt, 13-support foot, 2-wide line, 3-hanging ring, 4-hanging line, 41-movable knot and 5-plumb bob.
Detailed Description
To further illustrate the concepts of the present invention, embodiments of the present invention will be described in further detail below with reference to the following drawings:
as shown in fig. 1 and 2, the measuring tool for independent foundation positioning according to the present invention comprises two support frames 1, a wide line 2, a hanging ring 3, a hanging line 4 and a plumb bob 5, wherein the two support frames 1 are arranged symmetrically, the wide line 2 detachably connected is arranged between the two support frames 1, the hanging ring 3 is sleeved in the wide line 2 and can move left and right on the wide line 2, the lower end of the hanging line 4 is fixedly connected with the plumb bob 5, the upper end of the hanging line 4 is movably connected with the hanging ring 3, a movable joint 41 is formed on the hanging line 4 through the hanging ring 3, and the plumb bob 5 can adjust the rising or falling height of the plumb bob 5 through the movable joint 41 under the action of the hanging line 4; the suspension wire 4 is perpendicular to the axis of the wide wire 2, and the plumb bob 5 can freely move along the axis of the wide wire 2 through the suspension wire 4 and the hanging ring 3.
Further, the measuring tool for positioning the independent foundation comprises a support frame 1, wherein the support frame 1 comprises a plurality of support rods 11, bolts 12 and support legs 13, the bolts 12 are arranged, the bolts 12 are fixed on the support rods 11 at equal intervals, the support legs 13 are arranged at the bottom of the support rods 11, and the wide lines 2 are connected with the support frame 1 through the bolts 12.
Further, the measuring tool for positioning the independent foundation is characterized in that the supporting rod 11 is a 650mm × 50mm × 4mm square aluminum alloy tube, the number of the bolts 12 is three, M8 × 1.25 × 50 bolts are adopted, the distance between the three bolts 12 is 200mm, the distance between the bolt 12 at the upper part and the top of the supporting rod 11 is 100mm, the distance between the bolt 12 at the lower part and the bottom of the supporting rod 11 is 150mm, and the three bolts 12 fixed in the two supporting frames 1 are distributed in a symmetrical state; the supporting legs 13 are composed of four reinforcing steel bars with the length of 350mm and the diameter of 10mm, the four reinforcing steel bars are fixedly connected with the bottom of the supporting rod 11 in a radial mode through a welding mode, and the included angle between each reinforcing steel bar and the ground is 30 degrees.
Further, the measuring tool for independent foundation positioning is characterized in that the wide wire 2 is a steel wire rope with the length of 8-10 m, the hanging ring 3 is a metal ring with the diameter of 10mm, the hanging wire 4 is a flexible rope with the length of 5-7 m, and the plumb bob 5 is a solid metal hammer with the weight of 0.2-0.3 kg.
The invention also discloses a using method for positioning the independent foundation by using the measuring tool, the using method comprises the steps of tool installation before use and foundation positioning point determination during use, and the using method specifically comprises the following steps:
(1) before use, a foundation pit is dug in advance in a soil layer, a corresponding cushion layer is laid at the bottom of the foundation pit, a total station is used for finding out two axes at the upper part of the dug foundation pit, then the support frame 1 is placed on the dug foundation pit by using the support legs 13, and the placement position is required to be stable; finally, the hanging ring 3 penetrates through the wide line 2, so that two ends of the wide line 2 are respectively connected with the bolts 12 on the support frame 1; meanwhile, the lower end of the suspension wire 4 is fixedly connected with the plumb bob 5, and the upper end of the suspension wire passes through the hanging ring 3 to form a movable knot 41, wherein the span of the wide wire 2 can be adjusted according to the width of the foundation pit, the wide wire 2 is required to be in a straight state, the height of the plumb bob 5 can be adjusted according to the depth of the foundation pit, and the movable knot 41 in the suspension wire 4 is used for adjusting the rising or falling height of the plumb bob 5 so as to finish tool installation before use;
(2) when the device is used, the broad line 2 is aligned to one of the found axes at the upper part of the foundation pit, the projection of the broad line 2 and the axis are on the same straight line by using a projection principle, under the action of the suspension wire 4 and the suspension ring 3, the line hammer 5 freely moves along the axis where the broad line 2 is located, two different points are marked in the foundation pit by using the free falling point of the line hammer 5, and the axes where the two points are located are popped up, so that a first axis in the foundation pit is determined; then aligning the broad line 2 with another found axis at the upper part of the foundation pit, utilizing the projection principle to enable the projection of the broad line 2 and the axis to be on the same straight line, under the action of the suspension wire 4 and the suspension ring 3, freely moving along the axis where the broad line 2 is located through the plumb bob 5, marking two different points in the foundation pit by utilizing the free falling point of the plumb bob 5, and popping up the axes where the two points are located, thereby determining a second axis in the foundation pit; finally, marking out a positioning line of the independent foundation by using a tape according to two axes popped up in the foundation pit, and determining a geometric dimension sideline of the independent foundation through the marked positioning line to obtain a positioning position of the foundation pit; wherein the hammer 5 must be in a stationary state when measuring the mark of the positioning point according to the free falling point of the hammer 5.
The working principle of the measuring tool for positioning the independent foundation and the using method thereof is that the projection principle is utilized, the total station is a measuring tool frequently adopted in the field of buildings, in the specific application process, an axis is found at the upper part of the foundation pit before use, when in use, the projection principle is utilized, the broad line 2 is aligned to the found axis at the upper part of the foundation pit, the axis point of the independent foundation positioning in the foundation pit is based on the free floor point of the plumb bob, the axis in the foundation pit is popped out according to the floor point of the plumb bob 5, and the independent foundation positioning line is marked out by using the measuring tape, so that the positioning position of the foundation pit can be obtained.
In conclusion, the measuring tool is used for independent foundation positioning measurement, the problems of time consumption, labor waste and poor measurement precision in the foundation positioning measurement are effectively solved, and the measuring tool has the advantages of simple structure, reasonable design, capability of quickly and accurately determining the foundation positioning, greatly shortened measurement time and improved lofting efficiency; and the tool is made of common materials, low in manufacturing cost, less in labor required for operation, strong in practicability and beneficial to popularization and application.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A measuring tool for independent foundation positioning, characterized by: the measuring tool comprises two support frames (1), a wide line (2), a lifting ring (3), a lifting line (4) and a plumb bob (5), wherein the two support frames (1) are symmetrically arranged, the wide line (2) detachably connected is arranged between the two support frames (1), the lifting ring (3) is sleeved in the wide line (2) and can move left and right on the wide line (2), the lower end of the lifting line (4) is fixedly connected with the plumb bob (5), the upper end of the lifting line (4) is movably connected with the lifting ring (3), a movable joint (41) is formed on the lifting line (4) through the lifting ring (3), and the plumb bob (5) can adjust the lifting height or the falling height of the plumb bob (5) through the movable joint (41) under the action of the lifting line (4); the line hammer (5) can freely move along the axis where the wide line (2) is located through the suspension wire (4) and the hanging ring (3).
2. A measuring tool for independent foundation positioning according to claim 1, characterized in that: the support frame (1) is including bracing piece (11), bolt (12) and supporting legs (13), bolt (12) are equipped with a plurality ofly, and a plurality of bolts (12) are equidistant to be fixed in on bracing piece (11), supporting legs (13) set up in bracing piece (11) bottom, wide line (2) are connected with support frame (1) through bolt (12).
3. A measuring tool for independent foundation positioning according to claim 2, characterized in that: the supporting rod (11) is an aluminum alloy square tube with the thickness of 650mm multiplied by 50mm multiplied by 4mm, the number of the bolts (12) is three, M8 multiplied by 1.25 multiplied by 50 bolts are adopted, the distance between the three bolts (12) is 200mm, the distance between the bolt (12) positioned at the upper part and the top of the supporting rod (11) is 100mm, the distance between the bolt (12) positioned at the lower part and the bottom of the supporting rod (11) is 150mm, and the three bolts (12) fixed in the two supporting frames (1) are distributed in a symmetrical state; the supporting legs (13) are composed of four reinforcing steel bars with the length of 350mm and the diameter of 10mm, the four reinforcing steel bars are fixedly connected with the bottom of the supporting rod (11) in a radial mode through a welding mode, and the included angle between each reinforcing steel bar and the ground is 30 degrees.
4. A measuring tool for independent foundation positioning according to claim 1, characterized in that: the above-mentioned
The wide wire (2) is a steel wire rope with the length of 8-10 m, the hanging ring (3) is a metal circular ring with the diameter of 10mm, the hanging wire (4) is a flexible rope with the length of 5-7 m, and the plumb bob (5) is a solid metal hammer with the weight of 0.2-0.3 kg.
5. Use of a tool according to any of claims 1 to 4 for independent basis positioning measurements, characterized in that: the using method comprises the steps of tool installation before use and basic positioning point determination during use, and specifically comprises the following steps:
(1) before use, a total station is used for finding out two axes at the upper part of an excavated foundation pit, and then a support frame (1) is placed on the excavated foundation pit by using a support leg (13), wherein the placement position is required to be stable; finally, the hanging ring (3) is threaded on the wide line (2), so that two ends of the wide line (2) are respectively connected with the bolts (12) on the support frame (1); meanwhile, the lower end of the suspension wire (4) is fixedly connected with the plumb bob (5), and the upper end of the suspension wire penetrates through the suspension ring (3) to form a movable knot (41) so as to finish tool installation before use;
(2) when the device is used, the broad line (2) is aligned to one of the found axes at the upper part of the foundation pit, the projection of the broad line (2) and the axis are on the same straight line by using a projection principle, the line hammer (5) freely moves along the axis where the broad line (2) is located under the action of the suspension wire (4) and the suspension ring (3), two different points are marked in the foundation pit by using the free falling point of the line hammer (5), and the axes where the two points are located are popped up, so that a first axis in the foundation pit is determined; then aligning the broad line (2) with another found axis at the upper part of the foundation pit, enabling the projection of the broad line (2) and the axis to be on the same straight line by using a projection principle, marking two different points in the foundation pit by using a free falling point of the plumb line (5) through the free movement of the plumb line (5) along the axis where the broad line (2) is located under the action of the suspension wire (4) and the suspension ring (3), and popping up the axes where the two points are located, thereby determining a second axis in the foundation pit; and finally, marking out a positioning line of the independent foundation by using a tape according to two axis lines popped out in the foundation pit, and determining a geometric dimension sideline of the independent foundation through the marked positioning line to obtain the positioning position of the foundation pit.
6. Use according to claim 5, characterized in that: before the use, the span of the wide line (2) can be adjusted according to the width of a foundation pit, the wide line (2) is required to be in a straight state, the height of the plumb bob (5) can be adjusted according to the depth of the foundation pit, and the ascending or descending height of the plumb bob (5) is adjusted through a movable knot (41) in the suspension wire (4); when the device is used, the plumb bob (5) freely falls to the body point, and when the measuring positioning point mark is carried out, the plumb bob (5) is required to be in a static state.
CN202110492583.4A 2021-05-07 2021-05-07 Measuring tool for independent foundation positioning and using method Pending CN113048961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110492583.4A CN113048961A (en) 2021-05-07 2021-05-07 Measuring tool for independent foundation positioning and using method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110492583.4A CN113048961A (en) 2021-05-07 2021-05-07 Measuring tool for independent foundation positioning and using method

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CN113048961A true CN113048961A (en) 2021-06-29

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Application Number Title Priority Date Filing Date
CN202110492583.4A Pending CN113048961A (en) 2021-05-07 2021-05-07 Measuring tool for independent foundation positioning and using method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115218882A (en) * 2022-06-09 2022-10-21 江苏国鹏建工集团有限公司 Force transmission key support steel bar positioning deviation measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115218882A (en) * 2022-06-09 2022-10-21 江苏国鹏建工集团有限公司 Force transmission key support steel bar positioning deviation measuring device

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