CN117051892A - Tool for positioning bar-shaped foundation coordinates and measuring plane and construction method - Google Patents

Abstract

The invention discloses a tool for positioning bar-shaped basic coordinates and measuring planes, which comprises: the leveling instrument is arranged on the horizontal keel; the standard pole comprises a support and an adjusting rod, the support is fixed at one end of the horizontal keel, the adjusting rod is perpendicular to the horizontal keel, the adjusting rod can adjust the position on the support along the vertical direction, and a first abutting part is arranged at one end of the adjusting rod; the movable scale comprises a sleeve, a vertical adjusting rod and a positioning pile guide part, the sleeve is in sliding connection with the horizontal keel, the vertical adjusting rod is perpendicular to the horizontal keel, the vertical adjusting rod can adjust the position on the sleeve along the vertical direction, one end of the vertical adjusting rod is provided with a second abutting part, and the positioning pile guide part is fixed on the sleeve; the first abutting part and the second abutting part are positioned on the same side of the horizontal keel. The strip-shaped foundation of the protective railing is measured by a total station/level meter, and the problem that manpower and material resources are wasted easily is solved.

Description

Tool for positioning bar-shaped foundation coordinates and measuring plane and construction method

Technical Field

The invention relates to the field of building construction, in particular to a tool for positioning bar-shaped foundation coordinates and measuring planes and a construction method.

Background

At present, the concrete construction of the strip foundation adopts a total station/level to carry out positioning or plane control, and the total station/level usually needs two to three professional measuring staff to carry out measurement in cooperation with each other, so that the investment of precise instruments and manpower is large. The strip-shaped foundation of the guard rail is measured by adopting a total station/level meter, the consumed labor and equipment cost is high, and the waste of manpower and material resources is easily caused.

Disclosure of Invention

The invention provides a tool for positioning bar-shaped foundation coordinates and measuring a plane and a construction method thereof, which aim to solve the problem that the bar-shaped foundation of a protective railing is measured by a total station/level meter, and is easy to cause waste of manpower and material resources.

In order to achieve the above object, the technical scheme of the present invention is as follows:

a bar-based coordinate positioning and plane measuring tool comprising: the device comprises a level gauge, a level keel, a marker post and two movable scales, wherein the level gauge is arranged on the level keel;

the standard pole comprises a support and an adjusting rod, the support is fixed at one end of the horizontal keel, the adjusting rod is perpendicular to the horizontal keel, the adjusting rod can adjust the position on the support along the vertical direction, and one end of the adjusting rod is provided with a first abutting part;

the movable scale comprises a sleeve, a vertical adjusting rod and a positioning pile guide part, the sleeve is in sliding connection with the horizontal keel, the vertical adjusting rod is perpendicular to the horizontal keel, the vertical adjusting rod can adjust the position on the sleeve along the vertical direction, one end of the vertical adjusting rod is provided with a second abutting part, and the positioning pile guide part is fixed on the sleeve;

the first abutting part and the second abutting part are positioned on the same side of the horizontal keel.

Further, the support is provided with a through hole, the end faces of the two ends of the through hole of the support are respectively fixed with a first nut and a second nut, the periphery of the adjusting rod is provided with threads, and the adjusting rod is connected with the support through threads;

the sleeve is provided with a through hole, a first vertical nut and a second vertical nut are respectively fixed on the end surfaces of two ends of the through hole of the sleeve, threads are arranged on the periphery of the vertical adjusting rod, and the vertical adjusting rod is connected with the sleeve through threads.

Further, the moving scale further comprises a horizontal locking rod;

the periphery of the horizontal locking rod is provided with threads, a first horizontal nut is fixed on the sleeve, the horizontal locking rod is connected with the sleeve through threads, and one end of the horizontal locking rod can be abutted to the surface of the horizontal keel after penetrating through the first horizontal nut and the outer wall of the sleeve.

Further, the guide part of the positioning pile is provided with a semicircular groove, an opening of the groove is far away from the sleeve, a semicircular axis is parallel to the central line of the vertical adjusting rod, and is positioned between the central lines of the vertical adjusting rods of the two movable scales along the length direction of the horizontal keels.

Further, the first abutting part is a base, and the base comprises a bottom plate and a vertical plate vertically fixed at one end of the bottom plate;

the adjusting rod is sleeved with a first baffle, the first baffle is fixed on the bottom plate through a threaded fastener, one end of the adjusting rod, which is close to the base, is provided with a hemispherical head, the bottom plate is provided with a hemispherical groove, a first space for accommodating the hemispherical head is surrounded by the first baffle and the hemispherical groove, and the hemispherical head can rotate in the first space.

Further, the marker post further comprises a locking nut;

the locking nut is sleeved on the adjusting rod, and the locking nut is arranged at one end of the first nut far away from the support.

Further, the movable scale further comprises a vertical locking nut and a horizontal locking nut;

the vertical locking nut is sleeved on the vertical adjusting rod, and the vertical locking nut is arranged at one end of the first vertical nut far away from the sleeve;

the horizontal locking nut is sleeved on the horizontal locking rod, and the horizontal locking nut is arranged at one end of the first horizontal nut far away from the sleeve.

Further, the second abutting part is a scale base plate;

the vertical adjusting rod is sleeved with a second baffle, the first baffle is fixed on the scale base plate through a threaded fastener, one end of the vertical adjusting rod, which is close to the scale base plate, is provided with a scale hemispherical head, the scale base plate is provided with a scale hemispherical groove, the second baffle and the scale hemispherical groove enclose a second space for accommodating the scale hemispherical head, and the scale hemispherical head can rotate in the second space.

Further, scale marks are arranged on the length direction of the horizontal keel, and a limiting ridge is fixed at the end part of one end of the horizontal keel, which is far away from the support, so as to prevent the sleeve from being separated from the horizontal keel.

The invention also discloses a construction method for constructing the strip foundation by using a tool for positioning the coordinates of the strip foundation and measuring the plane, which comprises the following steps:

s1: sliding a movable scale close to one side of the marker post according to parameters of a construction drawing to enable the distance between a positioning pile guide part of the movable scale and the standing edge stone to be the same as the construction drawing, and adjusting the other movable scale according to the width of the strip-shaped foundation to enable the distance between the positioning pile guide parts of the two movable scales to be the same as the width of the strip-shaped foundation;

s2: the first abutting part is abutted against the standing stone, constructors mark the ground on the separated sides of the two second abutting parts by scribing, excavation is carried out by taking the mark as a reference, and a part of working areas are additionally excavated to the outer sides of the marks on the two sides during excavation;

s3: the adjusting rod is adjusted, and the distance between the bottom surface of the first abutting part and the bottom surface of the horizontal keel is set to be not less than the height y of the marker post, which is higher than the height of the standing stone, of the earthwork after excavation;

calculating the foundation pit bottom elevation of the strip foundation according to the pavement parameters on the construction drawing, wherein the pavement drainage gradient is i%, the pavement width is x, the template height is a, and the vertical adjusting rod is adjusted to enable the distance between the bottom surface of the second abutting part and the bottom surface of the horizontal keel to be equal to the foundation pit bottom elevation = x i% + a+y;

s4: the foundation pit is excavated, a constructor detects the depth of the foundation pit by using a tool, the first abutting part is abutted on the standing stone, the second abutting part is abutted on the bottom surface of the foundation pit, whether the water drop of the level meter is centered or not is watched, the depth requirement is met after centering, and otherwise, the depth of the foundation pit is adjusted until the water drop is centered;

s5: inserting and driving a positioning pile by constructors through the guiding part of the positioning pile;

s6: setting a wood square with the width of 10-20cm at the bottom of the foundation pit by taking the positioning pile as a reference, placing the wood square perpendicular to the positioning pile, detecting by a tool to ensure that the height of the wood Fang Dingmian is equal to that of the bottom of the foundation pit, abutting the second abutting part against the top surface of the wood square, observing whether the water drop of the level meter is centered, wherein the centering meets the depth requirement, otherwise, adjusting the wood square until the water drop is centered;

s7: the bottom surface of the template is placed on the square top surface, the side surface of the template leans against the positioning pile for template installation, and the template is reinforced by the pull rod after the template installation;

s8: after the template is installed and reinforced, constructors adjust the vertical adjusting rod to enable the distance between the bottom surface of the second abutting part and the bottom surface of the horizontal keel to be equal to the height of the calibration mould=x.i% +y, the tools are used for detecting the height of the template, the first abutting part is abutted on the vertical rim, whether the water drops of the level ruler are centered or not is watched, the depth requirement is met immediately after centering, otherwise, the template is adjusted until the water drops are centered, meanwhile, tools are used for detecting whether the distance between the templates is matched with the tools, whether the second abutting part abuts against the top surface of the template or not, the distance requirement is met after abutting, otherwise, the template is adjusted until the second abutting part abuts against the top surface of the template.

The invention has the beneficial effects that:

the invention provides a tool for positioning bar-shaped basic coordinates and measuring planes, which comprises: the device comprises a level gauge, a horizontal keel, a marker post and two movable scales; the position of the adjusting rod of the marker post is adjusted on the support along the vertical direction, and the position of the vertical adjusting rod of the movable scale is adjusted on the sleeve along the vertical direction, so that the tool can be suitable for strip foundations with different depths; the distance between the two movable scales and the distance between the marker post and the movable scales are changed by sliding the two movable scales, so that the tool can determine the width of the strip foundation and the positioning of the strip foundation relative to the standing rim; the guide part of the positioning pile of the movable scale is convenient for constructors to pile for limiting the width of the strip foundation;

according to the tool for positioning the coordinates of the strip foundation and measuring the plane, provided by the invention, after the constructors adjust the positions of the adjusting rods and the vertical adjusting rods, the constructors can observe the level to confirm whether the foundation pit and the template of the strip foundation are in place, and compared with a total station/level, the operation is simpler, a plurality of professional measuring staff are not needed, and the cost is lower.

Drawings

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

FIG. 1 is a schematic view of a tool for positioning bar-based coordinates and measuring plane according to the present invention;

FIG. 2 is a schematic diagram of a moving scale of a tool for positioning and measuring bar-shaped basic coordinates according to the present invention;

FIG. 3 is a schematic illustration of a target structure of a tool for positioning and measuring bar-based coordinates according to the present invention;

FIG. 4 is a front view of a bar-based coordinate positioning and planar measurement tool of the present disclosure;

FIG. 5 is a top view of a bar-based coordinate positioning and planar measurement tool of the present disclosure;

FIG. 6 is an enlarged view of FIG. 4 at K;

FIG. 7 is an enlarged view at L of FIG. 4;

FIG. 8 is an enlarged view at M of FIG. 4;

fig. 9 is an enlarged view at N of fig. 4;

FIG. 10 is an enlarged view at J of FIG. 5;

FIG. 11 is a pavement design of the present disclosure;

FIG. 12 is a schematic diagram of a foundation pit prior to excavation in accordance with the present disclosure;

FIG. 13 is a schematic illustration of a foundation pit excavation in accordance with the present disclosure;

FIG. 14 is a schematic view of the installation of the steel piles and skids of the present disclosure;

FIG. 15 is a schematic view of a formwork installation of the present disclosure;

FIG. 16 is a schematic diagram of a template calibration according to the present disclosure.

In the figure:

1. a level gauge;

2. a horizontal keel;

21. limiting ridge; 22. a scale; 23. a slotted hole;

3. a target;

31. a support; 311. a first nut; 312. a second nut; 32. an adjusting lever; 321. a hemispherical head; 33. a lock nut; 341. a bottom plate; 342. a vertical plate; 343. hemispherical grooves; 35. a first baffle;

4. moving the scale;

41. a sleeve; 411. a first vertical nut; 412. a second vertical nut; 413. a first horizontal nut; 42. a vertical adjustment rod; 421. hemispherical head of scale; 43. a horizontal locking bar; 44. a positioning pile guide part; 45. a vertical locking nut; 46. a horizontal locking nut; 47. a scale base plate; 471. hemispherical grooves of the ruler bottom plate; 48. a second baffle;

A. road surface; B. a curb; C. standing edge stone; D. sidewalk; E. earthwork; F. a strip-shaped foundation; G. a foundation pit; H. slope; o, imitating wood railing; p, a skid; q, steel piles; r, template.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present 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.

The present embodiment provides a tool for positioning bar-shaped basic coordinates and measuring plane, as shown in fig. 1 and 4, including: the level gauge comprises a level gauge 1, a level keel 2, a marker post 3 and two movable scales 4, wherein the level gauge 1 is arranged on the level keel 2;

as shown in fig. 3, the marker post 3 includes a support 31 and an adjusting rod 32, the support 31 is welded and fixed at one end of the horizontal keel 2, the adjusting rod 32 is perpendicular to the horizontal keel 2, the adjusting rod 32 can adjust the position on the support 31 along the vertical direction, and a first abutting part is arranged at one end of the adjusting rod 32;

as shown in fig. 2, the moving scale 4 includes a sleeve 41, a vertical adjusting rod 42, and a positioning pile guide portion 44, where the sleeve 41 is slidably connected with the horizontal keel 2, the vertical adjusting rod 42 is perpendicular to the horizontal keel 2, the vertical adjusting rod 42 can adjust a position on the sleeve 41 along a vertical direction, one end of the vertical adjusting rod 42 is provided with a second abutting portion, and the positioning pile guide portion 44 is welded and fixed on the sleeve 41;

the first abutting part and the second abutting part are positioned on the same side of the horizontal keel 2;

the position of the adjusting rod 32 of the marker post 3 can be adjusted on the support 31 along the vertical direction, and the position of the vertical adjusting rod 42 of the movable scale 4 can be adjusted on the sleeve 41 along the vertical direction, so that the tool can be suitable for strip foundations with different depths, and meanwhile, the horizontal keel 3 can span the earthwork after excavation of a foundation pit, and the earthwork is prevented from influencing measurement;

the sleeve 41 of the movable scale 4 is in sliding connection with the horizontal keel 3, so that the distance between the two movable scales 4 and the distance between the marker post 3 and the movable scale 4 can be changed through sliding, and a constructor can conveniently determine the width of the strip-shaped foundation and the positioning of the strip-shaped foundation relative to the standing rim;

the positioning pile guide part 44 fixed on the sleeve 41 of the movable scale 4 is convenient for constructors to pile for positioning the width of the strip foundation, so that the accurate positioning of the follow-up templates is ensured;

during road construction, the strip foundation construction of guardrail bar is carried out after the construction of standing edge stone, and the position and the top surface elevation of standing edge stone after the construction have been qualified by quality inspection personnel, and the instrument of a strip foundation coordinate location and plane measurement that this embodiment provided uses the standing edge stone after the construction as the benchmark, and after constructor adjustment adjusting lever 32 and vertical adjusting lever 42 position, whether the foundation ditch and the template of strip foundation can be confirmed to the observation spirit level 1 are in place, compares in total station appearance spirit level, and the operation is simpler, does not need a plurality of professional measuring staff, and the cost is cheaper.

In the specific embodiment, the level meter 1 is in a magnetic attraction type and is attached to the horizontal keel 2 through a magnet;

in actual use, the non-magnetic level meter 1 can be selected, and constructors can bind the level meter 1 on the horizontal keel 2 through ropes.

In a specific embodiment, the support 31 is provided with a through hole, as shown in fig. 8, a first nut 311 and a second nut 312 are welded and fixed on the end surfaces of two ends of the through hole of the support 31, the periphery of the adjusting rod 32 is provided with threads, and the adjusting rod 32 is connected with the support 31 through threads;

the sleeve 41 is provided with a through hole, as shown in fig. 6, a first vertical nut 411 and a second vertical nut 412 are welded and fixed on the end surfaces of the two ends of the through hole of the sleeve 41, the periphery of the vertical adjusting rod 42 is provided with threads, and the vertical adjusting rod 42 is connected with the sleeve 41 through threads;

in this embodiment, as shown in fig. 5, the horizontal keel 2 is provided with a oblong hole 23, and the vertical adjusting rod 42 penetrates through the oblong hole 23 to prevent interference with the horizontal keel 2 when the vertical adjusting rod 42 moves horizontally.

In a specific embodiment, as shown in fig. 2, the moving scale 4 further comprises a horizontal locking bar 43;

the periphery of the horizontal locking rod 43 is provided with threads, as shown in fig. 10, a first horizontal nut 413 is welded and fixed on the sleeve 41, the horizontal locking rod 43 is connected with the sleeve 41 through threads, one end of the horizontal locking rod 43 can be abutted against the surface of the horizontal keel 2 after penetrating through the first horizontal nut 413 and the outer wall of the sleeve 41, and after the sleeve 41 slides to a required position, a constructor locks in the horizontal direction by screwing the horizontal locking rod 43.

In a specific embodiment, the guide portion 44 of the positioning pile is provided with a semicircular groove, the opening of the groove is far away from the sleeve 41, the semicircular axis is parallel to the central line of the vertical adjusting rod 42, after the positioning pile is installed by the semicircular groove, the positioning pile is not required to be pulled out vertically upwards during the dismantling process, but can be dismantled from the side face, so that the positioning pile is more convenient and labor-saving, the positioning pile is along the length direction of the horizontal keel 2, the axis is positioned between the central lines of the vertical adjusting rods 42 of the two movable scales 4, and the positioning pile is positioned by leaning on the positioning pile during the template installation, as shown in fig. 15, the positioning pile (steel pile Q) is positioned inside the two templates R after the template installation, a certain supporting effect is achieved, and the width of the strip-shaped foundation after the pouring is prevented from being influenced by the inward shrinkage of the two templates R.

In a specific embodiment, the first abutting portion is a base, as shown in fig. 9, and the base includes a bottom plate 341 and a vertical plate 342 vertically welded and fixed to one end of the bottom plate 341;

as shown in fig. 3, the adjusting rod 32 is sleeved with a first baffle 35, the first baffle 35 is fixed on the bottom plate 341 through a threaded fastener, as shown in fig. 9, one end, close to the base, of the adjusting rod 32 is provided with a hemispherical head 321, the bottom plate 341 is provided with a hemispherical groove 343, the first baffle 35 and the hemispherical groove 343 enclose a first space for accommodating the hemispherical head 321, and the hemispherical head 321 can rotate in the first space, so that the base does not rotate along with the adjusting rod 32, abrasion between the base and the standing stone is reduced, and meanwhile, the rotation of the adjusting rod 32 is smoother.

In a specific embodiment, as shown in fig. 8, the marker post 3 further includes a lock nut 33;

the locking nut 33 is sleeved on the adjusting rod 32, the locking nut 33 is arranged at one end of the first nut 311 far away from the support 31, and the locking nut 33 and the first nut 311 form a double-nut anti-loose structure.

In a specific embodiment, as shown in fig. 2, the moving scale 4 further comprises a vertical lock nut 45 and a horizontal lock nut 46;

as shown in fig. 6, the vertical locking nut 45 is sleeved on the vertical adjusting rod 42, the vertical locking nut 45 is arranged at one end of the first vertical nut 411 away from the sleeve 41, and the vertical locking nut 45 and the first vertical nut 411 form a double-nut anti-loose structure;

as shown in fig. 10, the horizontal locking nut 46 is sleeved on the horizontal locking rod 43, the horizontal locking nut 46 is arranged at one end of the first horizontal nut 411 away from the sleeve 41, and the horizontal locking nut 46 and the first horizontal nut 411 form a double-nut anti-loose structure.

In a specific embodiment, as shown in fig. 2, the second abutment portion is a scale base plate 47;

as shown in fig. 7, the second baffle 48 is sleeved on the vertical adjusting rod 42, the first baffle 48 is fixed on the scale base plate 47 through a threaded fastener, one end of the vertical adjusting rod 42, which is close to the scale base plate 47, is provided with a scale hemispherical head 421, the scale base plate 47 is provided with a scale hemispherical groove 471, the second baffle 48 and the scale hemispherical groove 471 enclose a second space for accommodating the scale hemispherical head 421, and the scale hemispherical head 421 can rotate in the second space, so that the scale base plate 47 does not rotate along with the vertical adjusting rod 42, abrasion between the scale base plate 47 and the bottom surface of a foundation pit is reduced, and meanwhile, the rotation of the vertical adjusting rod 42 is smoother.

In a specific embodiment, the end of the adjusting rod 32 away from the first abutting portion and the end of the vertical adjusting rod 42 away from the second abutting portion are both provided with handles, and the locking nut 33, the vertical locking nut 45 and the horizontal locking nut 46 are all hand-screwed nuts, so that the constructor can screw the same.

In a specific embodiment, as shown in fig. 4, a scale 22 is arranged on the length direction of the horizontal keel 2, so that a constructor can observe the distance between the two movable scales 4 conveniently, and as shown in fig. 5, a limit ridge 21 is welded and fixed at the end part of one end of the horizontal keel 2 far away from the support 31 so as to prevent the sleeve 41 from being separated from the horizontal keel 2.

Fig. 11 shows a common pavement design diagram, the pavement a is provided with a curb B and a curb C on both sides, the pavement a is provided with a slope to facilitate drainage, the concrete poured strip foundation F is provided with a protection railing (wood-like railing O), the outer side of the protection railing is provided with a slope H, and the pavement construction geology is generally a soil foundation, so that the elevation of the template is not easy to control, and the elevation of the template bottom is controlled accurately before the template is installed, so that the elevation of the top surface of the template is ensured, and the quality of the poured strip foundation is ensured.

In practical operation, as shown in fig. 12 to 16, the process of excavation of foundation pit and template calibration of the strip foundation by using the tool, the invention further comprises a construction method for constructing the strip foundation by using the tool for positioning coordinates and measuring plane of the strip foundation, comprising the following steps:

s1: sliding the movable scale 4 close to one side of the marker post 3 according to the parameters of the construction drawing, enabling the distance between the guide part 44 of the positioning pile of the movable scale 4 and the standing rim C to be the same as the construction drawing (namely, ensuring the distance between the standing rim C and the strip foundation), and adjusting the other movable scale 4 according to the width of the strip foundation so that the distance between the guide parts 44 of the positioning piles of the two movable scales 4 is the same as the width of the strip foundation;

s2: the first abutting part is abutted on the standing rim C (namely, the bottom plate 341 is placed on the top surface of the standing rim C, the standing plate 342 is abutted against the side surface of the standing rim C), constructors mark the ground on the separated sides of the two second abutting parts by scribing, excavation is carried out by taking the marks as references, and a part of working areas are additionally excavated outside the marks on the two sides respectively during excavation (space is provided for dismantling the template R after the pouring of the follow-up strip foundation is finished);

s3: the adjusting rod 32 is adjusted, and the distance between the bottom surface of the first abutting part (the bottom surface of the bottom plate 341) and the bottom surface of the horizontal keel 2 (the distance is determined by a tape measure/a steel rule) is set to be not less than the height y of the marker post of the excavated earthwork E, which is higher than the height of the standing stone C, as shown in fig. 13, so that the horizontal keel 2 can span the earthwork E after the excavation of the foundation pit G, and the earthwork E is prevented from influencing the measurement;

calculating the foundation pit G bottom elevation of the strip foundation according to the pavement parameters on the construction drawing (shown in fig. 11), wherein the drainage gradient of the pavement D is i%, the width of the pavement D is x, the height of the template R is a, and the vertical adjusting rod 42 is adjusted so that the distance from the bottom surface of the second abutting part (the scale bottom plate 47) to the bottom surface of the horizontal keel 2 is equal to the foundation pit bottom elevation = x i% + a+y;

s4: digging a foundation pit G, detecting the depth of the foundation pit G by a constructor by using a tool, abutting a first abutting part on a standing stone C, abutting a second abutting part on the bottom surface of the foundation pit G, and watching whether the water drop of the level meter 1 is centered or not, wherein the centering meets the depth requirement, otherwise, adjusting (digging/backfilling) the depth of the foundation pit G until the water drop is centered;

s5: inserting and driving a positioning pile (steel pile Q) through the positioning pile guide part 44 by constructors;

s6: as shown in fig. 14, a positioning pile (steel pile Q) is used as a reference, a timber square (skid P) with the width of 10-20cm is arranged at the bottom of a foundation pit G, the skid P is placed perpendicular to the steel pile Q, tool detection is used for ensuring that the height of the top surface of the skid P is equal to that of the bottom of the foundation pit G, a second abutting part abuts against the top surface of the skid P, whether the water drop of a level meter 1 is centered or not is watched, namely the depth requirement is met, otherwise, the skid P is adjusted until the water drop is centered;

s7: as shown in fig. 15, the bottom surface of the form R is placed on the top surface of the skid P while the side surface of the form R is abutted against the steel pile Q for the form R installation (in actual operation, the thickness of the form R is 6.5cm, the width of the skid P is much larger than the thickness of the form R), and the form R is reinforced by the tie bars after the installation;

s8: after the installation and reinforcement of the formwork R are completed, the constructor adjusts the vertical adjusting rod 42 to enable the distance between the bottom surface of the second abutting portion and the bottom surface of the horizontal keel 2 to be equal to the die calibrating height=x×i++y (the die calibrating height is different from the bottom height of the foundation pit G by one formwork R in height a), as shown in fig. 16, the tool is used for detecting the height of the formwork R, the first abutting portion is abutted on the standing edge stone C, whether the water drops of the level ruler 1 are centered or not is watched, namely, the depth requirement is met, otherwise, the formwork R is adjusted until the water drops are centered, meanwhile, whether the distance between the templates R is matched with the tool is detected, whether the second abutting portion abuts against the top surface of the formwork R is watched, the distance requirement is met by abutting, otherwise, the formwork R is adjusted until the second abutting portion abuts against the top surface of the formwork R.

For some large road engineering, the number of precise instruments and professional measuring staff is limited, and the bar-shaped foundation of the protective railing occupies the precise instruments and the professional measuring staff to measure, so that the construction measurement progress of other road sections can be influenced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (10)

1. A tool for bar-based coordinate positioning and planar measurement, comprising: the device comprises a level gauge (1), a level keel (2), a marker post (3) and two movable scales (4), wherein the level gauge (1) is arranged on the level keel (2);

the marker post (3) comprises a support (31) and an adjusting rod (32), the support (31) is fixed at one end of the horizontal keel (2), the adjusting rod (32) is perpendicular to the horizontal keel (2), the adjusting rod (32) can adjust the position on the support (31) along the vertical direction, and a first abutting part is arranged at one end of the adjusting rod (32);

the movable scale (4) comprises a sleeve (41), a vertical adjusting rod (42) and a positioning pile guide part (44), the sleeve (41) is in sliding connection with the horizontal keel (2), the vertical adjusting rod (42) is perpendicular to the horizontal keel (2), the vertical adjusting rod (42) can adjust the position on the sleeve (41) along the vertical direction, one end of the vertical adjusting rod (42) is provided with a second abutting part, and the positioning pile guide part (44) is fixed on the sleeve (41);

the first abutting part and the second abutting part are positioned on the same side of the horizontal keel (2).

2. The bar-shaped basic coordinate positioning and plane measuring tool according to claim 1, wherein the support (31) is provided with a through hole, a first nut (311) and a second nut (312) are respectively fixed on end surfaces of two ends of the through hole of the support (31), threads are arranged on the periphery of the adjusting rod (32), and the adjusting rod (32) is connected with the support (31) through threads;

the sleeve (41) is provided with a through hole, a first vertical nut (411) and a second vertical nut (412) are respectively fixed on the end faces of two ends of the through hole of the sleeve (41), threads are arranged on the periphery of the vertical adjusting rod (42), and the vertical adjusting rod (42) is connected with the sleeve (41) through threads.

3. A bar base coordinate positioning and flatness measuring tool according to claim 2, characterized in that the moving scale (4) further comprises a horizontal locking bar (43);

the periphery of the horizontal locking rod (43) is provided with threads, a first horizontal nut (413) is fixed on the sleeve (41), the horizontal locking rod (43) is connected with the sleeve (41) through threads, and one end part of one end of the horizontal locking rod (43) can be abutted to the surface of the horizontal keel (2) after penetrating through the first horizontal nut (413) and the outer wall of the sleeve (41).

4. The bar-type basic coordinate positioning and plane measuring tool according to claim 1, wherein the guide part (44) of the positioning pile is provided with a semicircular groove, the opening of the groove is far away from the sleeve (41), the semicircular axis is parallel to the central line of the vertical adjusting rod (42), and along the length direction of the horizontal keel (2), the axis is positioned between the central lines of the vertical adjusting rods (42) of the two movable scales (4).

5. The tool for positioning and planar measurement of bar-shaped basic coordinates according to claim 2, wherein the first abutting portion is a base, and the base includes a bottom plate (341) and a vertical plate (342) vertically fixed to one end of the bottom plate (341);

the adjusting rod (32) is sleeved with a first baffle (35), the first baffle (35) is fixed on the bottom plate (341) through a threaded fastener, one end, close to the base, of the adjusting rod (32) is provided with a hemispherical head (321), the bottom plate (341) is provided with a hemispherical groove (343), a first space for accommodating the hemispherical head (321) is surrounded by the first baffle (35) and the hemispherical groove (343), and the hemispherical head (321) can rotate in the first space.

6. The tool for positioning and planar measurement of bar-shaped basic coordinates according to claim 2, characterized in that the marker post (3) further comprises a locking nut (33);

the locking nut (33) is sleeved on the adjusting rod (32), and the locking nut (33) is arranged at one end of the first nut (311) far away from the support (31).

7. A bar base coordinate positioning and flatness measuring tool according to claim 3, characterized in that the moving scale (4) further comprises a vertical locking nut (45) and a horizontal locking nut (46);

the vertical locking nut (45) is sleeved on the vertical adjusting rod (42), and the vertical locking nut (45) is arranged at one end of the first vertical nut (411) far away from the sleeve (41);

the horizontal locking nut (46) is sleeved on the horizontal locking rod (43), and the horizontal locking nut (46) is arranged at one end of the first horizontal nut (411) far away from the sleeve (41).

8. A bar base coordinate positioning and flatness measuring tool according to claim 3, characterized in that the second abutment is a scale plate (47);

the utility model discloses a scale semi-sphere head, including scale bottom plate (47), vertical adjustment pole (42) are equipped with second baffle (48) on cover, first baffle (48) are fixed on scale bottom plate (47) through threaded fastener, one end that vertical adjustment pole (42) is close to scale bottom plate (47) is equipped with scale semi-sphere head (421), scale bottom plate (47) are equipped with scale semi-sphere recess (471), second baffle (48) and scale semi-sphere recess (471) enclose into the second space that holds scale semi-sphere head (421), scale semi-sphere head (421) can rotate in the second space.

9. The bar-type basic coordinate positioning and plane measuring tool according to claim 1, wherein the length direction of the horizontal keel (2) is provided with scales (22), and a limiting ridge (21) is fixed at the end part of the horizontal keel (2) far away from the support (31) so as to prevent the sleeve (41) from being separated from the horizontal keel (2).

10. A construction method for performing bar foundation construction using the tool for bar foundation coordinate positioning and plane measurement according to any one of claims 1 to 9, characterized by comprising the steps of:

s1: sliding a movable scale (4) close to one side of the marker post (3) according to parameters of a construction drawing, enabling the distance between a positioning pile guide part (44) of the movable scale (4) and a standing stone to be the same as the construction drawing, and adjusting the other movable scale (4) according to the width of the strip-shaped foundation so that the distance between the positioning pile guide parts (44) of the two movable scales (4) is the same as the width of the strip-shaped foundation;

s2: the first abutting part is abutted against the standing stone, constructors mark the ground on the separated sides of the two second abutting parts by scribing, excavation is carried out by taking the mark as a reference, and a part of working areas are additionally excavated to the outer sides of the marks on the two sides during excavation;

s3: the adjusting rod (32) is adjusted, and the distance between the bottom surface of the first abutting part and the bottom surface of the horizontal keel (2) is set to be not less than the height y of the marker post, which is higher than the height of the standing stone, of the earthwork after excavation;

calculating the foundation pit bottom elevation of the strip foundation according to the pavement parameters on the construction drawing, wherein the pavement drainage gradient is i%, the pavement width is x, the template height is a, and the vertical adjusting rod (42) is adjusted to enable the distance between the bottom surface of the second abutting part and the bottom surface of the horizontal keel (2) to be equal to the foundation pit bottom elevation = x i% + a+y;

s4: the foundation pit is excavated, a constructor detects the depth of the foundation pit by using a tool, the first abutting part is abutted on the standing stone, the second abutting part is abutted on the bottom surface of the foundation pit, whether the water drop of the level meter (1) is centered or not is watched, the depth requirement is met after centering, and otherwise, the depth of the foundation pit is adjusted until the water drop is centered;

s5: inserting and driving a positioning pile by constructors through a positioning pile guide part (44);

s6: setting a wood square with the width of 10-20cm at the bottom of a foundation pit by taking a positioning pile as a reference, placing the wood square perpendicular to the positioning pile, detecting by a tool to ensure that the height of wood Fang Dingmian is equal to that of the bottom of the foundation pit, abutting a second abutting part against the top surface of the wood square, observing whether the water drop of a level meter (1) is centered, wherein the centering meets the depth requirement, otherwise, adjusting the wood square until the water drop is centered;

s7: the bottom surface of the template is placed on the square top surface, the side surface of the template leans against the positioning pile for template installation, and the template is reinforced by the pull rod after the template installation;

s8: after the template is installed and reinforced, a constructor adjusts the vertical adjusting rod (42) to enable the distance between the bottom surface of the second abutting part and the bottom surface of the horizontal keel (2) to be equal to the die calibrating elevation = x i ++y, detecting the height of the template by using a tool, abutting the first abutting part on the standing rim stone, observing whether the water drop of the level bar (1) is centered, the depth requirement is met in the middle, otherwise, the template is adjusted until the water drops are centered, meanwhile, whether the distance between the templates is matched with the tool is detected by the tool, whether the second abutting part abuts against the top surface of the template is watched, the distance requirement is met in the abutting mode, otherwise, the template is adjusted until the second abutting part abuts against the top surface of the template.