CN116816117A - Positioning method for reference circle center of circular arc-shaped stair and positioning method for special-shaped stair - Google Patents

Abstract

The invention relates to the field of building construction, and discloses a positioning method of a reference circle center of a circular arc-shaped stair and a positioning method of a special-shaped stair, wherein the positioning method of the reference circle center of the circular arc-shaped stair comprises the following steps: s1, installing a circle center positioning rod for positioning the reference circle center position of the circular-arc stair on one step of the circular-arc stair, wherein the circle center positioning rod comprises a fixed end and a positioning end, the fixed end is fixedly connected to the step and is close to the external corner of the step, and the positioning end extends towards the inner side of the circular-arc stair along the edge of the external corner and protrudes out of the inner side surface of the circular-arc stair; s2, executing the step S1 on at least one other step of the circular arc-shaped stair; s3, observing the intersection condition of projections of the plurality of circle center positioning rods on the ground, and determining a reference circle center point on the ground. The beneficial effects are that: the method is beneficial to saving economic cost, labor cost and time cost, reducing pollution to a construction site and enabling the circular arc-shaped stairs after decoration to be more attractive.

Description

Positioning method for reference circle center of circular arc-shaped stair and positioning method for special-shaped stair

Technical Field

The invention relates to the technical field of building construction, in particular to a positioning method for a reference circle center of a circular arc-shaped stair and a positioning method for a special-shaped stair.

Background

In the building construction process of the present day, in many cases, building developers are responsible for building the basic structure of the building according to building drawings, including building stairs in the building, and then users of the building find other decoration teams to carry out decoration construction before using the building. After the building is built by a developer, the actual parameters of the stairs in the building are different from the standard parameters in the building drawings to a certain extent, and the building drawings on the hand of the developer are difficult to be taken by a decoration team.

Under the precondition, for circular arc stairs or special-shaped stairs with circular arc stairs, a stair decoration method generally adopted by a decoration team for improving efficiency comprises the following steps: according to the shape of the built blank stairs, a template of the porcelain sheet is manufactured by using materials such as a wood board or a foam board, then the template is brought to a porcelain sheet customizing party, the porcelain sheet customizing party manufactures porcelain sheets according to the shape of the template, and finally the porcelain sheets are brought to a construction site to pave and paste the stairs.

However, the above-mentioned stair finishing method has at least the following disadvantages:

1. because the actual parameters of the stairs are different from the standard parameters, at least one part of the actually built circular-arc stairs do not extend around the standard circle center set in the building drawing by the radius of the stairs set in the building drawing, and therefore, the circular-arc stairs after the porcelain pieces are attached are not standard circular-arc stairs, so that the circular-arc stairs are not attractive;

2. The ceramic tile is manufactured according to the shape of the template, the template is manufactured according to the shape of the built blank stair, the ceramic tile customizing party does not have accurate practical parameters of the blank stair, the size of each step of the blank stair is not consistent, and a decoration team also carries out secondary processing on the ceramic tile manufactured by the ceramic tile customizing party on a construction site, so that not only is the economic cost, the time cost and the labor cost improved, but also the environment of the construction site is polluted.

Disclosure of Invention

The invention mainly aims to provide a circular arc stair reference circle center positioning method, which aims to solve the defects in at least one prior art.

In order to achieve the above purpose, the invention provides a circular arc stair reference circle center positioning method, which comprises the following steps:

s1, installing a circle center positioning rod for positioning the reference circle center position of the circular-arc stair on one step of the circular-arc stair, wherein the circle center positioning rod comprises a fixed end and a positioning end, the fixed end is fixedly connected to the step and is close to the external corner of the step, and the positioning end extends towards the inner side of the circular-arc stair along the edge of the external corner and protrudes out of the inner side surface of the circular-arc stair;

S2, executing the step S1 on at least one other step of the circular arc-shaped stair;

s3, observing the intersection condition of projections of the plurality of circle center positioning rods on the ground, and determining a reference circle center point on the ground.

The beneficial effects of the invention are as follows: before decoration construction, a plurality of circle center positioning rods are utilized to determine a reference circle center point of the circular arc-shaped stair, then the reference circle center point is used as a reference standard for measurement and calculation, and accurate parameters of the circular arc-shaped stair after finishing are calculated, so that the parameters of each step after finishing are the same, the circular arc-shaped stair in a blank state is repaired according to the accurate parameters, a batch of porcelain tiles with standard sizes are manufactured synchronously according to the parameters of the steps, and the porcelain tiles can be directly paved after being transported to a construction site. The positioning method of the reference circle center of the circular-arc stair is beneficial to saving economic cost, labor cost and time cost, reducing pollution to a construction site and enabling the circular-arc stair after decoration to be more attractive.

Preferably, step S1 comprises the steps of:

s1-1, installing a circle center positioning base for fixing a circle center positioning rod on an external corner of one of the steps of the circular-arc stair, wherein the circle center positioning base comprises a first fixing plate and a second fixing plate which are fixedly connected, the first fixing plate and the second fixing plate are intersected and form an installation included angle matched with the external corner, the first fixing plate is an iron plate or is fixedly connected with the first fixing plate, the first fixing plate is fixed on a pedal of the step and/or the second fixing plate is fixed on a kickplate of the step, and the iron plate is at least partially paved on the pedal;

S1-2, a magnet is arranged on the peripheral wall of the circle center positioning rod, which is close to the fixed end, the circle center positioning rod is fixed on the upper side surface of the iron plate through the magnet in an adsorption mode, and the circle center positioning rod is moved so as to adjust the circle center positioning rod to the position that the positioning end extends to the inner side of the circular-arc-shaped stair along the edge of the external corner and protrudes out of the inner side surface of the circular-arc-shaped stair.

Through the effect of magnet and iron plate, adsorb the centre of a circle locating lever and fix on the footboard of marking time, conveniently remove the centre of a circle locating lever to adjust the position of centre of a circle locating lever.

Preferably, step S3 comprises the steps of:

s3-1, observing the intersection condition of projection of a plurality of circle center positioning rods on the ground, and finding out the intersection point through which the most circle center positioning rods are projected as a preset reference point;

s3-2, setting the number of the circle center positioning rods as b, finding out circle center positioning rods of which the projections do not pass through the preset reference point, setting the number of the circle center positioning rods of which the projections do not pass through the preset reference point as a, and executing the step S3-3 if a is more than 25% b; if a is less than or equal to 25% b, executing the step S3-5;

s3-3, moving or swinging the circle center positioning rod of which the projection does not pass through a preset reference point along the width direction of the pedal so as to adjust the position of the circle center positioning rod in an adjusting range;

S3-4, repeating the steps S3-1 to S3-2;

s3-5, marking a preset datum point on the ground and taking the datum point as a datum center point.

Because the circular arc stair in a blank state can have the parameter of certain pedals and the standard parameter which are excessively different, the circle center positioning rod can be extended along the original external corner edge on the step as far as possible through the adjustment of constructors, so that the finally positioned reference circle center point is closer to the circle center point of the circular arc stair serving as the reference during the construction, and the decoration effect is further improved.

Preferably, the positioning method of the reference circle center of the circular arc-shaped stair further comprises the following steps:

s4, installing a wire hanging assembly on the circular-arc-shaped stair, wherein the wire hanging assembly comprises a wire hanging base, a supporting vertical rod, a supporting cross rod and a wire hanging structure, the supporting vertical rod is vertically and fixedly connected to the wire hanging base, the supporting cross rod is fixedly connected to the supporting vertical rod and is perpendicular to the supporting vertical rod, one end of the supporting cross rod is provided with the wire hanging structure, the wire hanging base is fixedly connected to a step at the top of the circular-arc-shaped stair, and the wire hanging structure is positioned right above a reference circle center point;

s5, a datum line fixing structure is fixedly arranged on the ground, the datum line fixing structure is positioned right below the hanging wire structure, and the datum line fixing structure comprises a datum line binding structure;

S6, hanging an arc stair datum line on the hanging line structure, and binding the arc stair datum line on the datum line binding structure, so that the arc stair datum line extends vertically and is located right above the datum circle center point.

The hanging wire component is arranged on the stairs, so that hanging wires at the top of a building are avoided, and the wall body is not damaged. And the position of the standard center point is three-dimensional by utilizing the circular arc stair datum line, so that the measurement and construction of the stair are facilitated.

Preferably, in step S4, the hooking component is provided on a tread or a kick plate of a tread of the top of the circular-arc-shaped staircase or on the inner side of the circular-arc-shaped staircase near the top.

Preferably, in step S2, one step is spaced between adjacent steps provided with the center positioning rod.

The invention also provides a special-shaped stair positioning method comprising the circular arc stair reference circle center positioning method.

Preferably, the method for positioning the special-shaped stairs further comprises the following steps:

s6, executing the steps S1 to S3 in the standard circle center positioning method of the circular-arc-shaped stairs, and finding out the standard circle center point corresponding to each section of circular-arc-shaped stairs in the special-shaped stairs.

Preferably, the method for positioning the special-shaped stairs further comprises the following steps:

s7, installing a wire hanging assembly on the special-shaped stair, wherein the wire hanging assembly comprises one or more wire hanging bases, one or more supporting vertical rods, a plurality of supporting cross rods and a plurality of wire hanging structures, one vertical extending supporting vertical rod is fixedly connected to one wire hanging base, one or more supporting cross rods are fixedly connected to one supporting vertical rod and are vertical to the corresponding supporting vertical rods, the wire hanging structure is arranged at one end of the supporting cross rods, one wire hanging structure is arranged on one supporting cross rod, the plurality of wire hanging structures comprise a plurality of arc stair datum line wire hanging structures, the wire hanging bases are fixedly connected to steps at the tops of the arc stair, and the plurality of arc stair datum line hanging structures are positioned right above a plurality of datum circle center points in a one-to-one correspondence manner;

S8, fixedly arranging a plurality of datum line fixing structures on the ground, wherein the datum line fixing structures are positioned under the plurality of hanging wire structures in a one-to-one correspondence manner, and the datum line fixing structures comprise datum line binding structures;

s9, hanging a plurality of datum lines on the plurality of hanging line structures in a one-to-one correspondence manner, wherein the plurality of datum lines comprise a plurality of circular arc stair datum lines, and the circular arc stair datum lines are bound on the corresponding datum line binding structures, so that the circular arc stair datum lines vertically extend and are located right above the corresponding datum circle center points.

For the multi-section circular arc stair built based on different reference circle centers, the hanging wire assembly and the plurality of circular arc stair reference lines are utilized to carry out three-dimensional construction on the plurality of reference circle centers, and the stair is convenient to measure and construct.

Preferably, in step S7, the plurality of hanging wire structures further includes a plurality of straight stair baseline hanging wire structures; in step S9, the plurality of datum lines further include a plurality of straight stair datum lines, and the straight stair datum lines are bound to the corresponding datum line binding structures, so that each section of straight stair in the special-shaped stair is correspondingly provided with a plurality of straight stair datum lines located on the same plane, and the side finishing surface of the straight stair is parallel to the plane where the corresponding plurality of straight stair datum lines are located. For the special-shaped stairs with the straight-plate stairs, the side edge finishing surfaces of the straight-plate stairs are positioned by utilizing a plurality of straight-plate stair datum lines, so that convenience is provided for subsequent construction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a circular arc stair and a circle center positioning rod in an embodiment of the invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a center positioning rod and a center positioning base according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a center positioning rod according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a hanging wire assembly according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a wire hanging base in an embodiment of the invention;

FIG. 7 is a schematic view of a structure of a supporting vertical rod according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of the auxiliary supporting vertical rod according to the embodiment of the present invention;

FIG. 9 is a schematic view of a first cross bar according to an embodiment of the present invention;

FIG. 10 is a schematic view of a second cross bar in an embodiment of the invention;

FIG. 11 is a schematic view of a third cross bar in an embodiment of the present invention;

FIG. 12 is a schematic view of a wire hanging assembly with an auxiliary vertical support rod and a third vertical cross rod according to an embodiment of the present invention;

FIG. 13 is a schematic view of a structure of a reference line fixing frame according to an embodiment of the present invention;

FIG. 14 is a schematic structural view of a datum line fixing base and a datum line fixing bar according to an embodiment of the present invention;

FIG. 15 is a schematic view of the structure of the present invention when the cable assembly is used on a straight stairway;

FIG. 16 is an enlarged view of a portion of FIG. 14 at C, also illustrating the construction of the suspension wire assembly mounted on the top of the stairway;

FIG. 17 is an enlarged view of a portion of the portion B of FIG. 14, also showing the construction of the suspension wire assembly mounted on the side of the stair;

FIG. 18 is a top view of a profiled stair in an embodiment of the present invention;

FIG. 19 is a schematic view showing the intersection of eight center positioning rods in an embodiment of the present invention;

fig. 20 is a partial enlarged view at D in fig. 19.

In the accompanying drawings: 11-center positioning base, 111-iron plate, 112-first fixing plate, 113-second fixing plate, 114-positioning base fixing hole, 12-center positioning rod, 121-fixing end, 122-positioning end, 123-magnet particle, 10-step, 101-pedal, 102-kickplate, 103-external corner, 20-datum line, 201-circular arc stair datum line, 202-straight stair datum line, 21-hanging wire base, 211-bottom plate, 212-side plate, 213-hanging wire base fixing hole, 214-connecting component, 2141-connecting pipe, 2142-connecting pipe fixing plate, 21421-through hole, 221-supporting vertical rod, 2211-horizontal rod mounting pipe, 22111-screw mounting plate, 22112-screw connecting screw hole, 2212-first vertical rod connecting screw rod 2213-first vertical rod connecting nut, 2214-first vertical rod connecting screw hole, 222-supporting cross rod, 2221-first cross rod, 22211-first cross rod connecting screw hole, 22212-fastener, 2222-second cross rod, 22221-second cross rod connecting screw rod, 2223-third cross rod, 22231-second cross rod connecting screw hole, 22232-third cross rod connecting screw rod, 223-threading hole, 23-threading structure, 231-circular arc stair datum line threading structure, 232-straight stair datum line threading structure, 24-auxiliary supporting vertical rod, 241-second vertical rod connecting screw rod, 242-second vertical rod connecting screw hole, 25-datum line fixing frame, 251-avoiding cavity, 252-first datum line limiting plate, 2521-second long hole, 253-first slot hole, 254-second datum line limiting plate, 255-balance weight pipe, 26-datum line fixing seat, 261-mounting hole, 262-datum line fixing strip, 27-first horizontal pole connecting screw.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

As shown in fig. 1 to 14, 19 and 20, a circular arc stair reference circle center positioning method comprises the following steps:

s1, installing a circle center positioning rod 12 for positioning the reference circle center position of the circular-arc stair on one step 10 of the circular-arc stair, wherein the circle center positioning rod 12 comprises a fixed end 121 and a positioning end 122, the fixed end 121 is fixedly connected to the step 10 and is close to an external corner 103 of the step 10, and the positioning end 122 extends towards the inner side of the circular-arc stair along the edge of the external corner 103 and protrudes out of the inner side surface of the circular-arc stair;

s2, executing a step S1 on at least one other step 10 of the circular arc-shaped stair;

s3, observing the intersection condition of projections of the plurality of circle center positioning rods 12 on the ground, and determining a reference circle center point on the ground.

Before decoration construction, a plurality of circle center positioning rods 12 are utilized to determine the standard circle center point of the circular arc stair, then the standard circle center point is used as a reference standard for measurement and calculation, and the accurate parameters of the circular arc stair after finishing decoration are calculated, so that the parameters of each step 10 after finishing decoration are the same, the circular arc stair in a blank state is repaired according to the accurate parameters, a batch of porcelain tiles with standard sizes are manufactured synchronously according to the parameters of the steps 10, and the porcelain tiles can be directly paved after being transported to a construction site. The positioning method of the reference circle center of the circular-arc stair is beneficial to saving economic cost, labor cost and time cost, reducing pollution to a construction site and enabling the circular-arc stair after decoration to be more attractive.

In some embodiments, step S1 comprises the steps of:

s1-1, installing a circle center positioning base 11 for fixing a circle center positioning rod 12 on an external corner 103 of one of the steps 10 of the circular-arc stair, wherein the circle center positioning base 11 comprises a first fixed plate 112 and a second fixed plate 113 which are fixedly connected, the first fixed plate 112 and the second fixed plate 113 intersect and form an installation included angle matched with the external corner 103, the first fixed plate 112 is an iron plate 111 or the iron plate 111 is fixedly connected to the first fixed plate 112, the first fixed plate 112 is fixed on a pedal 101 of the step 10 and/or the second fixed plate 113 is fixed on a kickplate 102 of the step 10, and the iron plate 111 is at least partially paved on the pedal 101;

s1-2, a magnet is arranged on the peripheral wall of the circle center positioning rod 12, which is close to the fixed end 121, the circle center positioning rod 12 is fixed on the upper side surface of the iron plate 111 through the magnet, and the circle center positioning rod 12 is moved, so that the circle center positioning rod 12 is adjusted to the position end 122 which extends to the inner side of the circular arc-shaped stair along the edge of the external corner 103 and protrudes out of the inner side surface of the circular arc-shaped stair.

The center positioning rod 12 is fixedly adsorbed on the pedal 101 of the step 10 through the action of the magnet and the iron plate 111, so that the center positioning rod 12 is conveniently moved to adjust the position of the center positioning rod 12.

Specifically, the first fixing plate 112 and the second fixing plate 113 are respectively provided with three positioning base fixing holes 114, the first fixing plate 112 is fixedly connected to the pedal 101 of the step 10 through the three positioning base fixing holes 114 formed in the first fixing plate, and the second fixing plate 113 is fixedly connected to the kick plate 102 of the step 10 through the three positioning base fixing holes 114 formed in the second fixing plate. The first fixing plate 112 is an iron plate 111, and when the circle center positioning base 11 is installed, the iron plate 111 is at least partially laid on the pedal 101.

The magnet provided on the center positioning rod 12 is specifically a magnet particle 123. Two magnet particles 123 are arranged on the peripheral wall of the circle center positioning rod 12, and the two magnet particles 123 are distributed along the axial direction of the circle center positioning rod 12. The magnet is arranged on the circle center positioning rod 12 in the form of the magnet particles 123, and constructors do not need to use too much force when moving the circle center positioning rod 12, so that the possibility that the constructors seriously deviate the circle center positioning rod 12 due to excessive force is reduced, and the circular positioning rod is convenient to adjust.

Further, the first fixing plate 112 is an iron plate 111, and the iron plate 111 and the second fixing plate 113 are arranged in a T shape, and one side of the second fixing plate 113 is fixedly connected to the iron plate 111, so that: when the center positioning base 11 is fixed to the external corner 103, a part of the iron plate 111 is laid flat on the pedal 101, and the other part extends in the width direction of the pedal 101 and protrudes from the pedal 101.

In general, when the center positioning base 11 is disposed on the outer corner 103 of the stair tread 10, the tread 101 and the kick plate 102 on the tread 10 are both in a state where no tile has been laid. After the tile is applied to the skirt 102, the tile on the skirt 102 can be considered as a part of the skirt 102, and the edge of the skirt 102 expands outwards, i.e. the position of the external corner 103 moves outwards. The iron plates 111 and the second fixing plates 113 are arranged in a T shape, so that when the circle center positioning base 11 is fixed on the external corners 103, one part of the iron plates 111 is flatly paved on the pedal 101, the other part of the iron plates extends along the width direction of the pedal 101 and protrudes out of the pedal 101, and the circle center positioning rod 12 can be arranged on the part of the iron plates 111 protruding out of the pedal 101, so that the position of the circle center positioning rod 12 is closer to the edge position of the external corners 103 after the tile is paved, and the construction quality is improved.

Further, the second fixing plate 113 is also an iron plate.

In other embodiments, the center positioning rod 12 may be directly fixed to the step 10 without passing through the center positioning base 11.

In some embodiments, step S3 comprises the steps of:

s3-1, observing the intersection condition of projections of a plurality of circle center positioning rods 12 on the ground, and finding out the intersection point through which the most circle center positioning rods 12 are projected as a preset reference point;

S3-2, setting the number of the circle center positioning rods 12 as b, finding out the circle center positioning rods 12 with the projection not passing through the preset reference point, setting the number of the circle center positioning rods 12 with the projection not passing through the preset reference point as a, and executing the step S3-3 if a is more than 25% b; if a is less than or equal to 25% b, executing the step S3-5;

s3-3, moving or swinging the circle center positioning rod 12 projected to pass through no preset reference point along the width direction of the pedal 101 so as to adjust the position of the circle center positioning rod 12 in an adjusting range;

s3-4, repeating the steps S3-1 to S3-2;

s3-5, marking a preset datum point on the ground and taking the datum point as a datum center point.

Because the circular arc stair in a blank state may have too large difference between the parameters of certain pedals 101 and standard parameters, the circle center positioning rod 12 can be extended along the edge of the original external corner 103 on the step 10 as far as possible through adjustment of constructors, so that the finally positioned reference circle center point is closer to the circle center point of the circular arc stair serving as the reference during construction, and further improvement of the decoration effect is facilitated.

When observing, the constructor needs to observe the projection of the circle center positioning rod 12 on the ground from above the stairs.

Regarding the relationship of the above-described amount a to the amount b, examples are given herein: eight circle center positioning rods 12, namely b=8, are arranged on the circular arc-shaped stairs. If a=1, then a <25% b, step S3-5 can be performed directly; if a=2, a=25%b, step S3-5 can be performed directly; if a=3, a >25% b, S3-3 needs to be performed. According to the method, a reference circle center point is measured, the dimension parameter of each mark after finishing is calculated according to the reference circle center point, and then a batch of ceramic tiles with uniform dimension are manufactured according to the dimension parameter of the mark. In the link of paving ceramic tiles in decoration, most ceramic tiles can be directly paved on the steps, and only a small part of ceramic tiles possibly need to be subjected to light secondary processing, so that the efficiency of decoration construction is improved, and the pollution to a construction site is reduced.

In other embodiments, depending on the quality of the completed blank stairs, the step S3-5 can be performed directly as to what ratio is reached between a and b, which can be reset by the constructor. Such as: under the premise that the finished quality of the blank stairs is good, the following steps are set: if a >20% b, executing step S3-3; if a is less than or equal to 20 percent b, executing the step S3-5. On the premise that the finished quality of the blank stairs is poor, the following steps are set: if a >30% b, executing step S3-3; if a is less than or equal to 30% b, executing the step S3-5.

In step S3-3, the adjustment range of the center positioning rod 12 is also obtained according to experience of constructors: in the face of the step 10 with poor finishing quality and overlarge parameter deviation of the external corner 103 in the circular arc-shaped stair, a constructor can estimate the actual finishing position of the external corner 103 of the step 10 according to experience, and the constructor can move the circle center positioning rod 12 to the vicinity of the actual finishing position of the external corner 103 of the step 10, and then S3-4 is executed.

In an actual construction environment, due to uneven quality of the blank stairs, in many cases, many intersecting points of projections of the circle center positioning rods 12 may exist, and if the intersecting points are close to each other, a reference circle center point can be obtained according to the intersecting points. For example: referring to fig. 19 and 20, eight circle center positioning rods 12 are arranged on the circular arc stair, twelve intersecting points are arranged between projections of the circle center positioning rods 12, but the distance between the intersecting points is very close, the distance between the intersecting points is not more than three centimeters, three intersecting points at the outermost periphery of the intersecting points are used as triangles, other intersecting bottoms are enclosed in the triangles, one point is selected from the triangles as a reference circle center point, and the reference circle center point is appropriately close to a region with relatively dense intersecting points, such as h point in fig. 20. In other embodiments, the constructor may tool the outermost three of the intersections to make a circle and then use the center of the circle as the reference center point.

In some embodiments, the circular arc stair reference circle center positioning method further comprises the following steps:

s4, installing a wire hanging assembly on the circular-arc stair, wherein the wire hanging assembly comprises a wire hanging base 21, a support vertical rod 221, a support cross rod 222 and a wire hanging structure 23, the support vertical rod 221 is vertically and fixedly connected to the wire hanging base 21, the support cross rod 222 is fixedly connected to the support vertical rod 221 and is perpendicular to the support vertical rod 221, one end of the support cross rod 222 is provided with the wire hanging structure 23, the wire hanging base 21 is fixedly connected to the step 10 at the top of the circular-arc stair, and the wire hanging structure 23 is positioned right above a reference center point;

s5, a datum line fixing structure is fixedly arranged on the ground, and the datum line fixing structure is located right below the hanging wire structure 23, wherein the datum line fixing structure comprises a datum line binding structure;

s6, hanging an arc stair datum line 201 on the hanging line structure 23, and binding the arc stair datum line 201 on the datum line binding structure, so that the arc stair datum line 201 extends vertically and is located right above a datum circle center point.

The hanging wire component is arranged on the stairs, so that hanging wires at the top of a building are avoided, and the wall body is not damaged. The reference center point is located in a three-dimensional mode by utilizing the circular arc stair datum line 201, and measurement and construction of the stair are facilitated.

In some embodiments, in step S4, the hooking component is provided on the tread 101 or the kick plate 102 of the tread 10 at the top of the circular arc-shaped staircase, or on the inner side of the circular arc-shaped staircase near the top.

Specifically, the hanging wire base 21 includes a bottom plate 211 and a side plate 212 perpendicular to each other, and fixing holes for fixing the base to the hanging wire base 21 on the stair step 10 are formed on the bottom plate 211 and the side plate 212, so that the base can be fixed to the pedal 101 or the kick plate 102 of the stair step 10 or to the side of the stair. In the construction process, a constructor can choose to arrange the hanging wire base 21 on the pedal 101, the skirting board 102 or the side surface of the stairs according to the situation that the stairs are tiled.

The bottom plate 211 is provided with a connecting component 214 for connecting the support vertical rods 221, the connecting component 214 comprises a connecting pipe 2141 and a connecting pipe fixing plate 2142, the connecting pipe fixing plate 2142 is fixed on the side plate 212 and is positioned above the bottom plate 211, the lower end of the connecting pipe 2141 is fixed on the bottom plate 211, and the upper end is fixed on the connecting pipe fixing plate 2142; the inner hole of the connecting pipe 2141 is a screw hole, a through hole 21421 opposite to the inner hole of the connecting pipe 2141 is arranged on the connecting pipe fixing plate 2142, a first vertical rod connecting screw 2212 is fixedly arranged at the lower end of the supporting vertical rod 221, and the first vertical rod connecting screw 2212 is arranged in the through hole 21421 in a penetrating mode and is in threaded connection with the inner hole of the connecting pipe 2141.

The first vertical rod connecting screw 2212 is further spirally connected with a first vertical rod connecting nut 2213, and the first vertical rod connecting nut 2213 is located on the upper side of the connecting pipe fixing plate 2142, so that the position of the supporting vertical rod 221 is favorably and firmly supported, and the supporting cross rod 222 faces a certain fixing direction. In use, since the orientation of the support cross bar 222 is required, it may occur that the support cross bar 222 is oriented in a given direction, but the first vertical bar connecting screw 2212 is not tightened on the connecting tube 2141. At this time, the first vertical rod connecting screw 2212 needs to be screwed on the connecting tube 2141 by using the first vertical rod connecting nut 2213, so that the supporting vertical rod 221 and the hanging wire base 21 are relatively fixed.

A cross rod mounting pipe 2211 is arranged on the support vertical rod 221, and the cross rod mounting pipe 2211 transversely extends; the wire hanging assembly further comprises a first cross rod 2221 connected with a screw rod, one end of the cross rod mounting tube 2211 is provided with a screw rod mounting plate 22111, the screw rod mounting plate 22111 is arranged on the inner side of the cross rod mounting tube 2211 and seals an opening at one end of the cross rod mounting tube 2211, the screw rod mounting plate 22111 is provided with a screw rod connecting screw hole 22112, the screw rod connecting screw hole 22112 is communicated with the inner space of the cross rod mounting tube 2211, and the first cross rod 2221 is connected with the screw rod in a screw connection mode on the screw rod connecting screw hole 22112; the support cross bar 222 is worn to be equipped with by the one end that screw rod mounting panel 22111 was kept away from to cross bar mounting tube 2211, and support cross bar 222 part is located cross bar mounting tube 2211, and the one end that first cross bar 2221 connecting screw rod is close to support cross bar 222 is equipped with the fastener, and the one end that support cross bar 222 is close to first cross bar 2221 connecting screw rod is equipped with the fastener 22212 that sets up with the fastener match, and the fastener card is located on the fastener 22212 for: when the first cross bar 2221 is rotated to connect the screw, the support cross bar 222 is movable in the extending direction of the cross bar mounting tube 2211. The purpose is to allow adjustment of the length of extension of the support rail 222 to adjust the position of the wire hanging structure 23. Specifically, the outer diameter of the support rail 222 matches the inner diameter of the rail mounting tube 2211, and the support rail 222 has substantially no radial play within the rail mounting tube 2211. The cross rod mounting pipe 2211 is a circular pipe, the screw mounting plate 22111 is a circular plate, and the screw connecting screw hole 22112 is positioned at the center of the screw mounting plate 22111.

Further, the support cross bar 222 includes a first cross bar 2221 and a second cross bar 2222 that are sequentially and coaxially connected, one end of the first cross bar 2221 is disposed on the support vertical bar 221, and the other end is connected with the second cross bar 2222; the first cross bar 2221 is coaxially provided with a first cross bar 2221 connecting screw hole at one end, close to the second cross bar 2222, of the first cross bar 2221, and a second cross bar 2222 connecting screw rod is coaxially and fixedly arranged at one end, close to the first cross bar 2221, of the second cross bar 2222, and the second cross bar 2222 connecting screw rod is spirally connected in the first cross bar 2221 connecting screw hole; the second cross bar 2222 is provided with a hanger structure 23 at an end thereof remote from the first cross bar 2221. The support cross bar 222 is divided into a plurality of cross bars which are detachably connected, so that the support cross bar is favorable for adapting to various hanging wire requirements and is also favorable for being convenient to carry.

The support cross bar 222 further includes a third cross bar 2223, two ends of the third cross bar 2223 are coaxially provided with a third cross bar 2223 connecting screw and a second cross bar 2222 connecting screw respectively, the third cross bar 2223 connecting screw is in threaded connection with the first cross bar 2221 connecting screw, and the second cross bar 2222 connecting screw is in threaded connection with the second cross bar 2222 connecting screw. Depending on the actual situation at the construction site, one or more third cross bars 2223 may be provided between the first cross bar 2221 and the second cross bar 2222 to adjust the length of extension of the hanging wire structure 23.

The datum line fixing structure comprises a datum line fixing frame 25, wherein an avoidance cavity 251 allowing a datum line 20 to penetrate from top to bottom is formed in the datum line fixing frame 25, a first datum line limiting plate 252 is arranged on the datum line fixing frame 25, a first long hole 253 extending in the horizontal direction is formed in the datum line fixing frame 25, and the first datum line limiting plate 252 is connected to the datum line fixing frame 25 in an adjustable mode through the first long hole 253; the first datum line limiting plate 252 is provided with a second long hole 2521 extending along the horizontal direction and perpendicular to the first long hole 253, the first datum line limiting plate 252 is provided with a second datum line limiting plate 254, the second datum line limiting plate 254 is adjustably connected to the first datum line limiting plate 252 through the second long hole 2521, and the first datum line limiting plate 252 and the second datum line limiting plate 254 are both positioned on the upper side of the avoidance cavity 251; the first and second reference line limiting plates 252 and 254 are used to stabilize the position of the reference line 20 and fix the reference line 20 such that the reference line 20 extends in the vertical direction.

After the hanging of the wire and the binding of the weight at the lower end of the reference wire 20 are completed, the reference wire 20 is swung for a while. The first reference line limiting plate 252 and the second reference line limiting plate 254 can define the swinging position of the reference line 20, so that the swinging time of the reference line 20 is shortened. After the reference line 20 stops swinging, the first reference line limiting plate 252 is adjusted along the extending direction of the first long hole 253 such that the side wall of the first reference line limiting plate 252 just touches the reference line 20: the second reference line limiter plate 254 is adjusted along the extending direction of the second long hole 2521 such that the side wall of the second reference line limiter plate 254 just touches the reference line 20. Finally, the datum line 20 is bound to the first datum line limiting plate 252 or the second datum line limiting plate 254.

Further, two parallel weight tubes 255 are disposed below the reference line fixing frame 25, and when in use, after the reference line fixing frame 25 is placed, a weight can be placed on the weight tubes 255 to avoid displacement of the reference line fixing frame 25. Accordingly, the datum line 20 can be fixed using the datum line fixing bracket 25 regardless of whether the tile is laid on the ground or not.

In another embodiment, the reference line fixing structure further includes a reference line fixing seat 26, a mounting hole 261 for fixing the reference line fixing seat 26 to the bottom surface is formed in the reference line fixing seat 26, a reference line fixing bar 262 extending in the horizontal direction is formed in the reference line fixing seat 26, and the reference line 20 is tied to the reference line fixing bar 262. Because the datum line fixing seat 26 needs to be fixed on the ground by means of expansion screws, the method is only suitable for construction sites on which tiles are not laid on the ground.

In some embodiments, in step S2, a step 10 is spaced between adjacent steps 10 provided with a center positioning rod 12, so as to obtain a reference center point more suitable for corresponding to the actual shape of the circular-arc-shaped stair.

As shown in fig. 1 to 20, the invention also provides a special-shaped stair positioning method comprising the circular arc stair reference circle center positioning method.

In some embodiments, the method for positioning the profiled stair further comprises the steps of:

s6, executing the steps S1 to S3 in the standard circle center positioning method of the circular-arc-shaped stairs, and finding out the standard circle center point corresponding to each section of circular-arc-shaped stairs in the special-shaped stairs.

The special-shaped stair is a stair structure formed by a plurality of sections of circular-arc-shaped stairs or combining the circular-arc-shaped stairs with straight-plate stairs. For the multi-section circular arc stairs, the reference center point of each section of circular arc stairs is different and the radius is different, so that the reference center point of each section of circular arc stairs is confirmed well before the next construction can be carried out.

Referring to fig. 18, the special-shaped stair shown in the drawing is provided with three sections of circular arc-shaped stairs, and e, f and g in the drawing are respectively reference center points corresponding to the three sections of circular arc-shaped stairs.

In some embodiments, the method for positioning the profiled stair further comprises the steps of:

s7, installing a hanging wire assembly on the special-shaped stair, wherein the hanging wire assembly comprises one or more hanging wire bases 21, one or more supporting vertical rods 221, a plurality of supporting cross rods 222 and a plurality of hanging wire structures 23, one supporting vertical rod 221 which extends vertically is fixedly connected to one hanging wire base 21, one or more supporting cross rods 222 are fixedly connected to one supporting vertical rod 221, the supporting cross rods 222 are perpendicular to the corresponding supporting vertical rods 221, the hanging wire structures 23 are arranged at one ends of the supporting cross rods 222, one hanging wire structure 23 is arranged on one supporting cross rod 222, the hanging wire structures 23 comprise a plurality of arc stair datum line hanging wire structures 231, the hanging wire bases 21 are fixedly connected to steps 10 at the tops of the arc stair, and the arc stair datum line hanging wire structures 231 are positioned right above a plurality of datum circle center points in a one-to-one correspondence manner;

S8, fixedly arranging a plurality of datum line fixing structures on the ground, wherein the datum line fixing structures are located under the plurality of hanging wire structures 23 in a one-to-one correspondence manner, and the datum line fixing structures comprise datum line binding structures;

s9, a plurality of datum lines 20 are correspondingly hung on the plurality of hanging line structures 23 one by one, the plurality of datum lines 20 comprise a plurality of circular-arc stair datum lines 201, the circular-arc stair datum lines 201 are bound on the corresponding datum line binding structures, and the circular-arc stair datum lines 201 extend vertically and are located right above corresponding datum circle center points.

For the multi-section circular arc stair built based on different reference circle centers, the hanging wire assembly and the plurality of circular arc stair reference lines 201 are utilized to carry out three-dimensional construction on a plurality of reference circle points, and the stair is convenient to measure and construct.

Specifically, the hanging wire assembly further includes a secondary support vertical rod 24221, a first vertical rod connection screw hole 2214 is formed at the upper end of the support vertical rod 221, a second vertical rod connection screw rod 241 is formed at the lower end of the secondary support vertical rod 24221, the second vertical rod connection screw rod 241 is in screwed connection with the first vertical rod connection screw hole 2214, and the secondary support vertical rod 24221 can be used for setting the support horizontal rod 222; the upper end of the auxiliary supporting vertical rod 24221 is provided with a second vertical rod connecting screw hole 242, and the second vertical rod connecting screw hole 242 can be used for connecting other auxiliary supporting vertical rods 24221, so that a plurality of datum lines 20 are arranged, and the auxiliary supporting vertical rod is particularly suitable for special-shaped stairs formed by combining various stair structures. The first vertical rod connecting screw 2212 has the same specification as the second vertical rod connecting screw 241, and the first vertical rod connecting screw 2214 has the same specification as the second vertical rod connecting screw 242.

The arrangement of the auxiliary supporting vertical rods 24221 enables a plurality of supporting cross rods 222 to be arranged on one supporting vertical rod 221, namely a plurality of hanging wire structures 23 to be arranged, and a plurality of datum lines 20 to be hung on one supporting vertical rod 221, so that the number of the hanging wire bases 21 to be installed is reduced, the construction efficiency is improved, and the stair structure is protected.

In other embodiments, a plurality of hanger bases 21 and a plurality of support posts 221 may be provided, but the number of hanger bases 21 is less than the number of hanger structures 23.

In other embodiments, a plurality of wire hanging bases 21 and a plurality of supporting vertical rods 221 may be provided, where the number of wire hanging bases 21 is consistent with the number of wire hanging structures 23, and the plurality of wire hanging bases 21 are in one-to-one correspondence with the plurality of wire hanging structures 23.

In some embodiments, in step S7, the plurality of hanging wire structures 23 further includes a plurality of straight stair baseline hanging wire structures 232; in step S9, the plurality of datum lines 20 further include a plurality of straight stair datum lines 202, and the straight stair datum lines 202 are bound to corresponding datum line binding structures, so that each section of straight stair in the special-shaped stair is correspondingly provided with a plurality of straight stair datum lines 202 located on the same plane, and the side finishing surface of the straight stair is parallel to the plane where the corresponding plurality of straight stair datum lines 202 are located. For the special-shaped stairs with straight-plate stairs, the side edge finishing surface of the straight-plate stairs is positioned by utilizing the plurality of straight stair datum lines 202, so that convenience is provided for subsequent construction.

The side finishing surface of the straight-plate stair refers to the side surface of the straight-plate stair after construction is finished. In the construction process, a construction team can find out the straight-plate stair positioning line in the house, and the vertical plane where the straight-plate stair positioning line is located is parallel or perpendicular to the side completion plane of the straight-plate stair. Therefore, the plane where the plurality of straight stair datum lines 202 are located may be parallel or perpendicular to the vertical plane where the straight stair positioning lines are located: when the whole extending direction of the straight stair is parallel to the straight stair positioning line, the planes of the plurality of straight stair datum lines 202 are parallel to the vertical planes of the straight stair positioning line; when the whole extending direction of the straight stair is perpendicular to the straight stair positioning line, the planes of the plurality of straight stair datum lines 202 are perpendicular to the vertical plane of the straight stair positioning line.

Specifically, each straight-plate stair in the special-shaped stair corresponds to two straight stair datum lines 202.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. The circular arc stair reference circle center positioning method is characterized by comprising the following steps of:

s1, installing a circle center positioning rod (12) for positioning the reference circle center position of the circular-arc stair on one step (10) of the circular-arc stair, wherein the circle center positioning rod (12) comprises a fixed end (121) and a positioning end (122), the fixed end (121) is fixedly connected to an external corner (103) of the step (10) and close to the step (10), and the positioning end (122) extends towards the inner side of the circular-arc stair along the edge of the external corner (103) and protrudes out of the inner side surface of the circular-arc stair;

s2, executing the step S1 on at least one other tread (10) of the circular arc-shaped stair;

s3, observing the intersecting condition of the projections of the circle center positioning rods (12) on the ground, and determining a reference circle center point on the ground.

2. The circular arc stair reference circle center positioning method according to claim 1, wherein the step S1 comprises the following steps:

s1-1, installing a circle center positioning base (11) for fixing the circle center positioning rod (12) on the external corner (103) of one of the circular arc stairs, wherein the circle center positioning base (11) comprises a first fixing plate (112) and a second fixing plate (113) which are fixedly connected, the first fixing plate (112) and the second fixing plate (113) are intersected and form an installation included angle matched with the external corner (103), the first fixing plate (112) is an iron plate (111) or an iron plate (111) is fixedly connected to the first fixing plate (112), the first fixing plate (112) is fixed on a pedal (101) of the stair (10) and/or the second fixing plate (113) is fixed on a kickplate (102) of the stair (10), and the iron plate (111) is at least partially tiled on the pedal (101);

S1-2, a magnet is arranged on the peripheral wall of the circle center positioning rod (12) close to the fixed end (121), the circle center positioning rod (12) is fixedly adsorbed on the upper side surface of the iron plate (111) through the magnet, and the circle center positioning rod (12) is moved, so that the circle center positioning rod (12) is adjusted until the positioning end (122) extends towards the inner side of the circular-arc-shaped stair along the edge of the external corner (103) and protrudes out of the inner side surface of the circular-arc-shaped stair.

3. The circular arc stair reference circle center positioning method according to claim 1 or 2, wherein the step S3 comprises the following steps:

s3-1, observing the intersection condition of projections of a plurality of circle center positioning rods (12) on the ground, and finding out the intersection point through which the most of the circle center positioning rods (12) are projected as a preset reference point;

s3-2, setting the number of the circle center positioning rods (12) as b, finding out the circle center positioning rods (12) of which the projections do not pass through the preset reference point, setting the number of the circle center positioning rods (12) of which the projections do not pass through the preset reference point as a, and executing the step S3-3 if a is more than 25% b; if a is less than or equal to 25% b, executing the step S3-5;

s3-3, moving or swinging the circle center positioning rod (12) projected to pass through the preset reference point along the width direction of the pedal (101) so as to adjust the position of the circle center positioning rod (12) in an adjusting range;

S3-4, repeating the steps S3-1 to S3-2;

s3-5, marking a preset datum point on the ground and taking the datum point as the datum center point.

4. The circular arc stair reference circle center positioning method according to claim 1, further comprising the steps of:

s4, installing a wire hanging assembly on the circular-arc-shaped stair, wherein the wire hanging assembly comprises a wire hanging base (21), a supporting vertical rod (221), a supporting cross rod (222) and a wire hanging structure (23), the supporting vertical rod (221) is vertically and fixedly connected to the wire hanging base (21), the supporting cross rod (222) is fixedly connected to the supporting vertical rod (221) and is perpendicular to the supporting vertical rod (221), one end of the supporting cross rod (222) is provided with the wire hanging structure (23), the wire hanging base (21) is fixedly connected to the step (10) at the top of the circular-arc-shaped stair, and the wire hanging structure (23) is positioned right above the reference center point;

s5, a datum line fixing structure is fixedly arranged on the ground, the datum line fixing structure is positioned right below the hanging wire structure (23), and the datum line fixing structure comprises a datum line binding structure;

s6, hanging an arc stair datum line (201) on the thread hanging structure (23), and binding the arc stair datum line (201) on the datum line binding structure, so that the arc stair datum line (201) extends vertically and is located right above the datum center point.

5. The circular arc stair reference circle center positioning method according to claim 4, wherein the method comprises the following steps of: in step S4, the hanging wire assembly is disposed on a pedal (101) or a kick plate (102) of the tread (10) at the top of the circular-arc-shaped stair or on the inner side surface of the circular-arc-shaped stair close to the top.

6. The circular arc stair reference circle center positioning method according to claim 1, wherein the method comprises the following steps of: in step S2, one step (10) is arranged between every two adjacent steps (10) provided with the circle center positioning rod (12).

7. A special-shaped stair positioning method is characterized in that: a reference circle center positioning method comprising the circular arc stair according to any one of claims 1 to 6.

8. The profiled stair positioning method according to claim 7 further comprising the steps of:

s6, executing the steps S1 to S3 in the circular-arc-shaped stair reference circle center positioning method, and finding out the reference circle center point corresponding to each section of circular-arc-shaped stair in the special-shaped stair.

9. The profiled stair positioning method according to claim 8 further comprising the steps of:

s7, installing a wire hanging assembly on the special-shaped stair, wherein the wire hanging assembly comprises one or more wire hanging bases (21), one or more support vertical rods (221), a plurality of support cross rods (222) and a plurality of wire hanging structures (23), one vertical support vertical rod (221) is fixedly connected to the wire hanging base (21), one or more support cross rods (222) are fixedly connected to one support vertical rod (221) and the support cross rods (222) are perpendicular to the corresponding support vertical rods (221), the wire hanging structures (23) are arranged at one end of the support cross rods (222) and one support cross rod (222) is provided with one wire hanging structure (23), the wire hanging structures (23) comprise a plurality of arc stair datum line wire hanging structures (231), the wire hanging bases (21) are fixedly connected to the steps (10) at the tops of the stair, and the plurality of arc stair datum line hanging structures (231) are located right above the circle centers of the circle centers in a corresponding mode;

S8, fixedly arranging a plurality of datum line fixing structures on the ground, wherein the datum line fixing structures are located under the hanging wire structures (23) in a one-to-one correspondence mode, and the datum line fixing structures comprise datum line binding structures;

s9, a plurality of datum lines (20) are correspondingly hung on the plurality of line hanging structures (23), the plurality of datum lines (20) comprise a plurality of circular-arc stair datum lines (201), the circular-arc stair datum lines (201) are bound on the corresponding datum line binding structures, and the circular-arc stair datum lines (201) vertically extend and are located right above the corresponding datum center points.

10. The profiled stair positioning method according to claim 9 wherein: in step S7, the plurality of thread hanging structures (23) further includes a plurality of straight stair baseline thread hanging structures (232);

in step S9, the plurality of datum lines (20) further includes a plurality of straight stair datum lines (202), and the straight stair datum lines (202) are bound to the corresponding datum line binding structures, so that each section of straight stair in the special-shaped stair is correspondingly provided with a plurality of straight stair datum lines (202) located on the same plane, and the side finishing surface of the straight stair is parallel to the plane where the corresponding plurality of straight stair datum lines (202) are located.