CN111121601A - A kind of concrete yin and yang angle formwork squareness detection tool and application method thereof - Google Patents
A kind of concrete yin and yang angle formwork squareness detection tool and application method thereof Download PDFInfo
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- CN111121601A CN111121601A CN202010061418.9A CN202010061418A CN111121601A CN 111121601 A CN111121601 A CN 111121601A CN 202010061418 A CN202010061418 A CN 202010061418A CN 111121601 A CN111121601 A CN 111121601A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a detection tool for the squareness of a concrete male and female angle template and an application method thereof.
Background
The internal and external corners are one of the building constructions. The internal corner of the wall surface refers to a recessed corner, such as an included angle between the top surface and the surrounding walls; the external corner of the wall surface refers to a protruded corner, such as an included angle formed by two walls at a turning part of a walkway. With the development of the building market, the quality requirements of cast-in-place reinforced concrete wall columns of more high-rise and super high-rise buildings at present meet the plastering-free standard, and the decoration construction of putty and paint can be directly carried out on the surface of a concrete wall body after the concrete wall body is finished. The surface flatness, verticality and internal and external corner squareness of the concrete wall body need to meet the quality requirements of common plastering.
In the construction process of reinforced concrete formwork engineering, a control and detection method for the flatness and the verticality of the formwork is mature, but a detection tool and a detection method for the internal and external corners of the concrete formwork are not available.
Disclosure of Invention
The invention aims to provide a tool capable of conveniently and accurately detecting the internal and external corners of a concrete template and an application method thereof.
The invention provides a squareness detection tool for a concrete internal and external corner template, which comprises two internal corner measuring supporting legs, two external corner measuring supporting legs, a dial and a vertical central shaft, wherein one internal corner measuring supporting leg is fixedly hinged with the vertical central shaft to form a fixed supporting leg, the other internal corner measuring supporting leg is rotatably hinged with the vertical central shaft to form a movable supporting leg, an angle dial is fixed at the position, corresponding to the hinged position, of the fixed supporting leg, the angle dial takes a hinged hole of the supporting leg as the center of a circle, an observation groove is arranged at the position, corresponding to the angle dial, on the movable supporting leg, the two external corner measuring supporting legs are respectively connected with the two internal corner measuring supporting legs, and the two external corner measuring supporting legs can be respectively folded along the corresponding internal corner measuring supporting legs and can also be opened to be perpendicular to.
In an embodiment of the above technical scheme, the supporting leg is measured to reentrant corner is the frame structure of U type, including last horizon bar, lower horizon bar and vertical connecting rod, the length of going up the horizon bar is greater than the length of lower horizon bar, and two horizon bars align with one end and arrange, and vertical connecting rod is connected the end of aliging of two horizon bars, and there is the hinge hole lower horizon bar's the other end, and the relevant position department of going up the horizon bar has the hinge hole, and reentrant corner is measured and is interference fit between the fixed landing leg of landing leg and the vertical axis, is clearance fit between activity landing leg and the vertical axis.
In one embodiment of the above technical scheme, the upper horizontal rod, the lower horizontal rod and the vertical connecting rod are square tubes with the same specification, and the outer vertical surface of the vertical connecting rod is a detection surface contacting with the template.
In one embodiment of the above technical scheme, the lower end of the vertical central shaft is provided with a limiting disc with a diameter larger than that of the shaft body, the two internal angle measuring support legs are sleeved in the openings of the movable support legs through the opening ends of the fixed support legs and hinged with the vertical central shaft, and the lower horizontal rod of the movable support leg is limited by the limiting disc.
In an embodiment of the above technical solution, the angle dial is fixed at the hinge joint of the horizontal rod on the fixed leg of the internal corner measuring leg, and the observation groove is disposed on the movable leg of the internal corner measuring leg.
In one embodiment of the above technical scheme, two clamping plates for connecting the supporting leg for measuring the external corner are respectively hinged on the upper horizontal rod of the supporting leg for measuring the internal corner, the clamping plates are rectangular plates, one end of the length direction of each clamping plate is rotatably hinged with the upper horizontal rod through a pin shaft, and the other end of each clamping plate is provided with a U-shaped groove along the width direction of the clamping plate.
In an embodiment of the above technical scheme, the two external corner measuring support legs are both rectangular frame structures, the heights of the two external corner measuring support legs are the same as the heights of the connected internal corner measuring support legs, the upper ends of the two external corner measuring support legs are respectively provided with a pin connected with the clamping plate, and the two external corner measuring support legs are clamped in a U-shaped groove of the clamping plate and fixed.
In an embodiment of the above technical solution, the external corner measuring leg is made of a square tube, and the specification of the square tube is the same as that of the square tube for making the internal corner measuring leg.
The method for detecting the internal angle squareness of the concrete template by using the tool comprises the following steps:
(1) cleaning sundries on the surface of the internal corner template at the measuring part;
(2) opening a movable supporting leg of the internal corner measuring supporting leg;
(3) respectively vertically and closely attaching the vertical end parts of the fixed supporting leg and the movable supporting leg to the surfaces of the templates on two sides of the internal corner;
(4) and reading and recording an outer included angle between the movable supporting leg and the fixed supporting leg from the observation groove, wherein the outer included angle is the internal angle of the template.
The method for detecting the external angle squareness of the concrete template by using the tool comprises the following steps:
(1) cleaning sundries on the surface of the internal corner template at the measuring part;
(2) the two external corner measuring supporting legs are respectively and vertically connected with the inner walls of the two internal corner measuring supporting legs;
(3) the vertical surface end parts of an external corner measuring supporting leg and another external corner measuring supporting leg which are connected with the fixed supporting leg of the internal corner measuring supporting leg are clung to the surfaces of the templates on two sides of the external corner;
(4) reading and recording an inner included angle between the movable supporting leg and the fixed supporting leg from the observation groove, wherein the inner included angle is an external angle of the template;
(5) after all the measurements are finished, the two external angle measurement supporting legs are retracted and folded on the inner walls of the two internal angle measurement supporting legs, and the movable supporting legs of the internal angle measurement supporting legs are folded.
Two internal angle measuring support legs are hinged on a vertical central shaft, an angle dial (equivalent to a protractor) is arranged at the corresponding hinged position of a fixed support leg fixedly hinged with the vertical central shaft, and the other internal angle measuring support leg is rotatably hinged with the vertical central shaft, so that when the end vertical surfaces of the fixed support leg and the movable support leg are respectively and vertically attached to two sides of the internal angle, the internal angle of the template can be directly read from the angle dial according to the internal angle sum of a quadrangle of 360 degrees to judge the squareness of the internal angle template. When the squareness of the external corner template is detected, the two external corner measuring supporting legs are respectively and vertically connected with the two internal corner measuring supporting legs, the end vertical faces of the two external corner measuring supporting legs are respectively and vertically attached to the templates on two sides of the external corner, so that the two internal corner measuring supporting legs and the templates on two sides of the external corner form two groups of parallel edges, and the external corner angle of the template can be directly read from the angle dial according to the equal internal stagger angle between the two parallel edges to judge the squareness of the external corner template. The detection of the squareness of the wood boards with the internal and external corners is quick and accurate. The method has the advantages that the squareness of the formwork can be detected after the concrete member formwork is installed, and then the internal and external corners of the concrete can be detected in advance before the concrete is poured, so that the control and the adjustment are realized in advance.
Drawings
FIG. 1 is a diagram illustrating the state of a detection tool in detecting the squareness of a negative angle of a template according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating the state of the inspection tool in inspecting the squareness of the external corner of the template.
FIG. 3 is a schematic top view of the present tool for detecting the internal corner angle of a template.
Fig. 4 is a simplified schematic diagram of fig. 3.
FIG. 5 is a schematic top view of the tool for detecting the external corner angle of the template.
Fig. 6 is a simplified schematic diagram of fig. 5.
Detailed Description
As shown in fig. 1 and fig. 2, the squareness detection tool for the concrete internal and external corner formwork disclosed in the present embodiment includes a left internal corner measurement supporting leg 1, a right internal corner measurement supporting leg 2, an angle dial 3, a vertical central axis 4, a left external corner measurement supporting leg 5, a right external corner measurement supporting leg 6, and a clamping plate 7.
Two negative angles measure the frame structure that the landing leg is the U type, including last horizon bar, lower horizon bar and vertical connecting rod, the length of going up the horizon bar is greater than the length of horizon bar down, and two horizon bars align with one end and arrange, and vertical connecting rod is connected the end that aligns of two horizon bars, and the other end of lower horizon bar has the hinge hole, and the relevant position department of going up the horizon bar has the hinge hole.
The upper horizontal rod, the lower horizontal rod and the vertical connecting rod are square tubes with the same specification.
The opening height of the right internal corner measuring supporting leg 2 is larger than that of the left internal corner measuring supporting leg 1, an angle dial 3 is fixed on the top surface of an upper horizontal rod of the left internal corner measuring supporting leg 1 corresponding to the hinge hole, the circle center of the angle dial is the hinge hole, and a zero line of the angle scale is located on the width direction central plane of the upper horizontal rod of the right internal corner measuring supporting leg 2.
The lower end of the vertical middle shaft 4 is provided with a limiting disc (not shown in the figure) with the diameter larger than that of the shaft body.
The left internal corner measuring supporting leg 1 is sleeved in an opening of the right internal corner measuring supporting leg 2 through an opening end and is hinged to the vertical center shaft 4, the left internal corner measuring supporting leg 1 and the vertical center shaft 4 are in interference fit to form a fixed supporting leg, the right internal corner measuring supporting leg 2 and the vertical center shaft 4 are in clearance fit to form a movable supporting leg, a lower horizontal rod of the movable supporting leg is used as a lower limiting position through a limiting disc, and an observation groove GCC is formed in the position, corresponding to the angle dial 3, of the upper horizontal rod.
The left external corner measuring supporting leg 5 and the right external corner measuring supporting leg 6 are both rectangular frame structures, the height of the left external corner measuring supporting leg and the height of the right external corner measuring supporting leg are respectively the same as the height of the left internal corner measuring supporting leg and the right internal corner measuring supporting leg, and square tubes of corresponding specifications are also adopted.
The connecting member between the inside corner measuring leg and the outside corner measuring leg is a snap plate 7. The cardboard is the rectangular plate, and its length direction one end articulates the top surface of the horizon bar on the reentrant corner measurement landing leg through the round pin axle, and the other end is provided with along width direction's U type groove. The top surfaces of the left and right internal corner measuring supporting legs of the clamping plate are respectively provided with two clamping plates which are respectively positioned at the outer end part and the middle part.
The top surfaces of the two external corner measuring supporting legs are provided with two pins which are respectively used for being clamped with the U-shaped groove on the clamping plate 7.
When the tool is not used, the two external corner measuring supporting legs are folded on the inner walls of the two internal corner measuring supporting legs through the clamping plates and the pins respectively, as shown in figure 1. This condition is maintained when used to measure internal corner angles and when used to measure external corner angles, the two external corner measuring legs are connected perpendicularly to the two internal corner measuring legs, respectively, as shown in fig. 2.
The specific operation of the tool for measuring the internal angle and the principle of determining the internal angle are as follows:
it can be seen from fig. 3 and 4 that the left internal corner measuring leg 1 and the right internal corner measuring leg 2 of the tool are respectively inserted between the back ridges on the outer sides of the templates, and the vertical surfaces of the outer ends of the two legs are respectively and tightly adhered and fixed to the template surfaces on the two sides of the internal corner (the template surfaces are cleaned of impurities), ∠ APC on the angle dial in fig. 4 is the internal corner angle, because a quadrilateral BPCQ is formed between the two internal corner measuring legs and the two templates, and the sum of the inner angles of the quadrilateral is 360 °, the sum of ∠ CQB and ∠ BPC in fig. 4 is 180 °, and the sum of ∠ APC and ∠ BPC is 180 °, the internal corner 2 APC 387387 ∠ b, the value of the cq64 APC directly read from the angle dial is the internal corner angle, and the internal corner angle is determined conveniently, quickly and accurately.
The specific operation of the tool for measuring the external angle and the external angle determination principle are as follows:
it can be seen from fig. 5 and 6 that the left external corner measuring leg 5 and the right external corner measuring leg 6 of the tool are respectively inserted between the back ridges on the outer sides of the templates, and the vertical surfaces of the outer ends of the two legs are respectively and tightly attached to and fixed with the templates on the two sides of the external corner (the surfaces of the templates are cleaned of impurities), at this time, two intersecting quadrangles BQGE and CPHF are formed, BP is parallel to EQ, CP is parallel to HF, and then the external corner ∠ EQF is ∠ BPC according to the equality of the internal stagger angle and the homonymy angle between the parallel lines, so that the numerical value of ∠ BPC directly read from the angle dial is the external corner angle.
After the external corner detection is finished, the two external corner supporting legs are returned to the folded state, and the movable supporting legs of the internal corner measuring supporting legs are folded to be convenient to store and keep.
This instrument is ingenious is connected external corner measurement landing leg and reentrant corner measurement landing leg and is measured the external corner, uses reentrant corner measurement landing leg as the basis when measuring the external corner promptly, makes the square degree of one set of instrument ability convenient accurate measurement reentrant corner and external corner. The squareness detection of the template can be carried out after the concrete member template is installed by utilizing the tool, so that the internal and external angles of concrete can be detected in advance before concrete pouring, the control and adjustment are realized in advance, and the quality requirement of the squareness of the internal and external angles of the concrete wall is ensured at last.
Claims (10)
1. The utility model provides a concrete negative and positive angle template squareness detects instrument which characterized in that: the supporting leg is measured to two internal corners, two external corners are measured the landing leg, calibrated scale and vertical axis, an internal corner is measured the landing leg and is fixed with vertical axis and articulate as fixed landing leg, another internal corner is measured the landing leg and is rotatable articulated as the activity landing leg with vertical axis, the fixed landing leg corresponds articulated position department and is fixed with the angle calibrated scale, the angle calibrated scale uses the hinge hole of this landing leg as the centre of a circle, it surveys the groove to correspond angle calibrated scale department on the activity landing leg, two external corners are measured the landing leg and are connected with two internal corners respectively, and two external corners are measured the landing leg and both can be followed corresponding internal corners respectively and measure the landing leg folding, can open again and measure the landing leg perpendicularly with corresponding internal corners.
2. The tool for detecting the squareness of a concrete male-female angle template according to claim 1, wherein: the frame structure that the landing leg is the U type is measured to reentrant corner, including last horizon bar, lower horizon bar and vertical connecting rod, the length of going up the horizon bar is greater than the length of horizon bar down, and two horizon bars align with one end and arrange, and vertical connecting rod is connected the end that aligns of two horizon bars, and the other end of lower horizon bar has the hinge hole, and the relevant position department of going up the horizon bar has the hinge hole, is clearance fit between fixed landing leg and the vertical axis of reentrant corner measurement landing leg, activity landing leg and the vertical axis.
3. The tool for detecting the squareness of a concrete inside and outside corner formwork of claim 2, wherein: the upper horizontal rod, the lower horizontal rod and the vertical connecting rod are square tubes with the same specification, and the outer vertical surface of the vertical connecting rod is a detection surface in contact with the template.
4. The tool for detecting the squareness of a concrete inside and outside corner formwork of claim 2, wherein: the lower end of the vertical center shaft is provided with a limiting disc with the diameter larger than that of the shaft body, the two internal angle measuring supporting legs are sleeved in the openings of the movable supporting legs through the opening ends of the fixed supporting legs and hinged with the vertical center shaft, and the lower horizontal rods of the movable supporting legs are limited by the limiting disc.
5. The tool for detecting the squareness of a concrete male-female angle template according to claim 4, wherein: the angle dial is fixed at the hinged position of the horizontal rod on the fixed supporting leg of the internal corner measuring supporting leg, and the observation groove is arranged on the movable supporting leg of the internal corner measuring supporting leg.
6. The tool for detecting the squareness of a concrete inside and outside corner formwork of claim 2, wherein: the upper horizontal rods of the two internal corner measuring supporting legs are respectively hinged with two clamping plates used for being connected with the external corner measuring supporting legs, the clamping plates are rectangular plates, one end of each clamping plate in the length direction is rotatably hinged with the upper horizontal rods through pin shafts, and the other end of each clamping plate is provided with a U-shaped groove along the width direction of the clamping plate.
7. The tool for detecting the squareness of a concrete male-female angle template according to claim 1, wherein: the two external corner measuring supporting legs are of rectangular frame structures, the heights of the two external corner measuring supporting legs are the same as the heights of the connected internal corner measuring supporting legs, the upper ends of the two external corner measuring supporting legs are respectively provided with a pin connected with the clamping plate, and the two external corner measuring supporting legs are clamped in a U-shaped groove of the clamping plate through the pins and fixed.
8. The tool for detecting the squareness of a concrete inside and outside corner formwork of claim 7, wherein: the external corner measuring supporting leg is made of a square tube, and the specification of the square tube is the same as that of the square tube for making the internal corner measuring supporting leg.
9. A method of detecting the squareness of a negative angle of a concrete form using the detection tool of claim 1, comprising the steps of:
(1) cleaning sundries on the surface of the internal corner template at the measuring part;
(2) opening a movable supporting leg of the internal corner measuring supporting leg;
(3) respectively vertically and closely attaching the vertical end parts of the fixed supporting leg and the movable supporting leg to the surfaces of the templates on two sides of the internal corner;
(4) and reading and recording an outer included angle between the movable supporting leg and the fixed supporting leg from the observation groove, wherein the outer included angle is the internal angle of the template.
10. A method of testing the squareness of an external corner of a concrete form using the testing tool of claim 1, comprising the steps of:
(1) cleaning sundries on the surface of the internal corner template at the measuring part;
(2) the two external corner measuring supporting legs are respectively and vertically connected with the inner walls of the two internal corner measuring supporting legs;
(3) the vertical surface end parts of an external corner measuring supporting leg and another external corner measuring supporting leg which are connected with the fixed supporting leg of the internal corner measuring supporting leg are clung to the surfaces of the templates on two sides of the external corner;
(4) reading and recording an inner included angle between the movable supporting leg and the fixed supporting leg from the observation groove, wherein the inner included angle is an external angle of the template;
(5) after all the measurements are finished, the two external angle measurement supporting legs are retracted and folded on the inner walls of the two internal angle measurement supporting legs, and the movable supporting legs of the internal angle measurement supporting legs are folded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061418.9A CN111121601A (en) | 2020-01-19 | 2020-01-19 | A kind of concrete yin and yang angle formwork squareness detection tool and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010061418.9A CN111121601A (en) | 2020-01-19 | 2020-01-19 | A kind of concrete yin and yang angle formwork squareness detection tool and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112502396A (en) * | 2020-11-26 | 2021-03-16 | 浙江亚厦装饰股份有限公司 | Device for adjusting squareness of internal corner wallboard and using method |
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