CN209820468U - Central hanging scaffold for measuring and controlling hyperbolic cooling tower barrel body - Google Patents
Central hanging scaffold for measuring and controlling hyperbolic cooling tower barrel body Download PDFInfo
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- CN209820468U CN209820468U CN201821263772.4U CN201821263772U CN209820468U CN 209820468 U CN209820468 U CN 209820468U CN 201821263772 U CN201821263772 U CN 201821263772U CN 209820468 U CN209820468 U CN 209820468U
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Abstract
The utility model provides a central platform sling for hyperbola cooling tower section of thick bamboo body measurement control. The central hanging scaffold comprises a special steel disc and a 45-degree angle laser reflector, wherein the laser reflector is arranged at the center of the bottom of the hanging scaffold. During operation, the laser reflector can reflect the laser of laser vertical appearance to stack shell operation platform department, conveniently carries out central control, and can fix a plurality of steel tape measures, conveniently measures control. The use method of the central hanging scaffold comprises the steps of hanging scaffold manufacturing and installation, steel wire rope tensioning, center alignment and the like. The central hanging scaffold is low in manufacturing cost, high in measurement precision, simple to operate and low in requirement on operators, and can shorten the construction period and reduce the cost.
Description
Technical Field
The utility model relates to a building engineering measurement control field, in particular to center location during cylinder building construction.
Background
Currently, hyperbolic cooling towers are widely used for their economy and applicability, and their radius and height are increasing with the development of technology. In the hyperbolic cooling tower construction, an integral operating platform is not erected, and the elevation measurement and the radius measurement are difficult.
Some cooling towers have large radius and high height, and the traditional plumb bob positioning method has poor precision in consideration of the action of wind, and cannot meet the current construction requirements.
In addition, the system is used for the observation of the constructors in short distance, and the operation difficulty is increased. At present, a plurality of instruments are used for positioning or cameras or sensors are added, but the construction cost is greatly increased, some instruments are expensive, the operation is complex, the requirement on operators is high, and the main reason is that the construction of the cooling tower is hindered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a central platform sling for hyperbola cooling tower section of thick bamboo body measurement control, its characterized in that mainly includes laser mirror, central platform sling, wire rope, radius measurement screw rod, radius measurement nut, radius measurement packing ring, radius measurement steel tape, elevation measurement screw rod, elevation measurement nut, elevation measurement packing ring, elevation measurement steel tape, triangular prism steel billet, the target is accepted to laser.
The central hanging scaffold is a hollow disc body, the upper surface and the lower surface of the central hanging scaffold are mutually parallel circular disc surfaces, the side surface of the central hanging scaffold is an annular side wall, the center of the upper surface of the central hanging scaffold is provided with a radius measuring screw rod, the side surface of the central hanging scaffold is provided with four steel wire rope through holes, and the side surface of the central hanging scaffold is provided with two elevation measuring screw rods.
The radius measuring screw is perpendicular to the upper disc surface of the central hanging scaffold. A lantern ring is arranged at one end of a radius measuring steel tape for measuring the radius of a hyperbolic cooling tower cylinder body, and a radius measuring gasket is firstly installed and then screwed in a radius measuring nut after the lantern ring is sleeved on a radius measuring screw rod.
The elevation measuring screw rods are symmetrically distributed on two sides of the central hanging scaffold. The axis of the elevation measuring screw is parallel to the upper disc surface of the central hanging scaffold. One end of an elevation measuring screw rod for measuring the height of a hyperbolic cooling tower barrel body is provided with a lantern ring, the lantern ring is sleeved on the elevation measuring screw rod, an elevation measuring gasket is installed firstly, and then the elevation measuring nut is screwed in.
And the lower surface of the central hanging scaffold is provided with a triangular prism steel block. And a laser reflector is fixed on one side surface of the triangular prism steel block. The laser reflector is obliquely arranged, and the included angle between the laser reflector and the lower surface of the central hanging scaffold is 45 degrees. The central point of the laser reflector is positioned on the central shaft of the central hanging scaffold.
When the hyperbolic cooling tower barrel is constructed, a template operation platform is built inside the hyperbolic cooling tower barrel. The template operation platform is built around the inner wall of the hyperbolic cooling tower, the bottom plane of the cooling tower is arranged below the template operation platform, and a hollow ascending space is arranged in the center of the template operation platform. Four fixed pulleys are arranged on the template operating platform. The four fixed pulleys are positioned above the bottom plane of the cooling tower. A winder is arranged below each fixed pulley. Above the crown block is the lower edge of the form.
The central platform is located in the riser space.
The four steel wire rope through holes are uniformly distributed on the side face of the central hanging scaffold. Two of the four steel wire rope through holes are in a group, and the two steel wire rope through holes in the same group are located on two opposite sides of the central hanging scaffold.
Two steel wire ropes are configured. One steel wire rope passes through the two steel wire rope through holes in the same group. After the two ends of each steel wire rope are wound around the fixed pulleys, the steel wire rope is wound on the corresponding winch of the winder.
And the four reels stretch or release the corresponding steel wire ropes, so that the central hanging scaffold is lifted up and down in the ascending space.
The center of the laser reflector on the central hanging scaffold faces a steel wire rope through hole and a fixed pulley, the steel wire rope through hole is marked as a point a, the center of the laser reflector is marked as a point b, and the upper end of the fixed pulley is marked as a point c.
The height difference between the points a and b is H.
When the central hanging scaffold rises to the right position, the points a and c are positioned on a section of horizontally stretched steel wire rope.
Erecting a laser vertical instrument at the central point d of the surface of the base bottom plate of the cooling tower, wherein the laser vertical instrument upwards emits a light beam vertical to the horizontal plane.
And installing a laser receiving target at the template operation platform below the point c. The center of the laser receiving target is marked as point e. The point e is below the point c, and the height difference between the two is H.
When the central hanging scaffold is lifted to the right position, the light beam reflected by the central point of the laser reflector falls on the center of the laser receiving target.
Further, the central hanging scaffold can fix a plurality of steel measuring tapes.
Furthermore, two of the four steel wire rope through holes form a group, and the steel wire rope through holes in different groups are staggered up and down. The staggered height difference is h.
Furthermore, the four fixed pulleys are in a group in pairs corresponding to the through holes of the steel wire rope. The height difference of the vertical stagger of the fixed pulleys of different groups is h.
The technical effects of the utility model are undoubted:
A. a plurality of steel tape measures can be fixed, and the center control and the elevation and radius measurement of the hyperbolic cooling tower can be accurately carried out;
B. the central hanging scaffold is simple to manufacture, mostly welded and punched, and can be manufactured on the construction site;
C. the center hanging scaffold material is readily available. Special materials and a plurality of instruments are not used, and a laser reflector is common to a laser receiving target;
D. the installation steps are few, the steel wire rope is tightly fixed, the steel tape is tightly fixed, and the construction safety is high;
E. the method is simple to implement and operate, has low requirement on operators, can shorten the construction period and reduce the cost.
F. The central hanging scaffold can be repeatedly used, so that resources are saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of a central platform construction;
FIG. 2 is a partial schematic view of a laser mirror;
FIG. 3 is a schematic view of the center alignment principle;
FIG. 4 is a top view of the radius measurement.
In the figure: the device comprises a laser reflector (1), a central hanging scaffold (2), a steel wire rope through hole (3), a steel wire rope (4), a radius measuring screw (5), a radius measuring nut (6), a radius measuring gasket (7), a radius measuring steel tape (8), an elevation measuring screw (9), an elevation measuring nut (10), an elevation measuring gasket (11), an elevation measuring steel tape (12), a triangular prism steel block (13) and a laser receiving target (14).
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
a central hanging scaffold for measuring and controlling a hyperbolic cooling tower barrel body is characterized by mainly comprising a laser reflector 1, a central hanging scaffold 2, a steel wire rope 4, a radius measuring screw rod 5, a radius measuring nut 6, a radius measuring gasket 7, a radius measuring steel tape 8, an elevation measuring screw rod 9, an elevation measuring nut 10, an elevation measuring gasket 11, an elevation measuring steel tape 12, a triangular prism steel block 13 and a laser receiving target 14.
The central hanging scaffold 2 is a hollow disc body, the upper surface and the lower surface of the central hanging scaffold are mutually parallel circular disc surfaces, the side surface of the central hanging scaffold is an annular side wall, the center of the upper surface of the central hanging scaffold is provided with a radius measuring screw rod 5, the side surface of the central hanging scaffold is provided with four steel wire rope through holes 3, and the side surface of the central hanging scaffold is provided with two elevation measuring screw rods 9.
The radius measuring screw 5 is perpendicular to the upper disc surface of the central hanging scaffold 2. A lantern ring is arranged at one end of a radius measuring steel tape 8 for measuring the radius of a hyperbolic cooling tower cylinder body, and after the lantern ring is sleeved on a radius measuring screw rod 5, a radius measuring washer 7 is installed firstly, and then a radius measuring nut 6 is screwed in. The central platform 2 can hold a plurality of steel tapes 8.
The elevation measurement screws 9 are symmetrically distributed on both sides of the central hanging scaffold 2. The axis of the elevation measuring screw 9 is parallel to the upper disc surface of the central hanging scaffold 2. One end of an elevation measuring screw 9 for measuring the height of a hyperbolic cooling tower barrel body is provided with a lantern ring, the lantern ring is sleeved on the elevation measuring screw 9, an elevation measuring gasket 11 is installed firstly, and then the elevation measuring nut 10 is screwed in.
The lower surface of the central hanging scaffold 2 is provided with a triangular prism steel block 13. And a laser reflector 1 is fixed on one side surface of the triangular prism steel block 13. The laser reflector 1 is obliquely arranged, and the included angle between the laser reflector 1 and the lower surface of the central hanging scaffold 2 is 45 degrees. The central point of the laser reflector 1 is positioned on the central shaft of the central hanging scaffold 2.
When the hyperbolic cooling tower barrel is constructed, a template operation platform is built inside the hyperbolic cooling tower barrel. The template operation platform is built around the inner wall of the hyperbolic cooling tower, the bottom plane of the cooling tower is arranged below the template operation platform, and a hollow ascending space is arranged in the center of the template operation platform. Four fixed pulleys are arranged on the template operating platform. The four fixed pulleys are positioned above the bottom plane of the cooling tower and are at 90 degrees to each other. A winder is arranged below each fixed pulley. Above the crown block is the lower edge of the form.
The central platform 2 is located in the uptake space.
The four steel wire rope through holes 3 are uniformly distributed on the side surface of the central hanging scaffold 2. Two of the four steel wire rope through holes 3 form a group, and the two steel wire rope through holes 3 in the same group are positioned on two opposite sides of the central hanging scaffold 2. Namely, the four steel wire rope through holes 3 are distributed at the positions of 0 o 'clock, 3 o' clock, 6 o 'clock and 9 o' clock on the side surface of the central hanging scaffold 2, wherein the steel wire rope through holes 3 of 0 o 'clock and 6 o' clock are in a group, and the steel wire rope through holes 3 of 3 o 'clock and 9 o' clock are in a group.
Two steel cables 4 are arranged. One wire rope 4 is passed through the two wire rope through holes 3 of the same group. After the two ends of each steel wire rope 4 are wound around the fixed pulleys, the steel wire ropes are wound on the corresponding winches of the winder.
And the four reels stretch or release the corresponding steel wire ropes 4, so that the central hanging scaffold 2 can be lifted up and down in the ascending space.
The center of the laser reflector 1 on the central hanging scaffold 2 faces a steel wire rope through hole 3 and a fixed pulley, the steel wire rope through hole 3 is marked as a point a, the center of the laser reflector 1 is marked as a point b, and the upper end of the fixed pulley is marked as a point c.
The height difference between the points a and b is H. The line connecting the points a and b is required to be on one axial section of the central platform 2.
When the central hanging scaffold 2 is lifted to the right position, the points a and c are positioned on a section of horizontally stretched steel wire rope.
Erecting a laser vertical instrument at the central point d of the surface of the base bottom plate of the cooling tower, wherein the laser vertical instrument upwards emits a light beam vertical to the horizontal plane.
And a laser receiving target 14 is installed at the position of the cooling tower barrel template below the point c. The center of the laser receiving target 14 is denoted as point e. The point e is below the point c, and the height difference between the two is H. A plumb line is drawn from point c, which defines a plane with point d, in which plane point e is intended to lie.
In four wire rope through-holes 3, two liang are a set of, and the wire rope through-hole 3 of different groups staggers from top to bottom for two wire rope 4 are crisscross, but do not contact. The staggered height difference is h. The four fixed pulleys are in a group in pairs corresponding to the steel wire rope through hole 3. The height difference of the vertical stagger of the fixed pulleys of different groups is h, so that the steel wire rope 4 is straightened and leveled after the central hanging scaffold 2 is lifted in place.
When the central hanging scaffold 2 is lifted to the right and horizontal position, the light beam reflected by the central point of the laser reflector 1 falls on the center of the laser receiving target 14.
The central hanging scaffold is used as follows: and carrying out horizontal plane positioning on the bottom plane of the cooling tower and aligning the central point of the bottom plane of the cooling tower. And erecting an operation platform for the cooling tower barrel template, and installing a central hanging scaffold 2. And the wire rope 4 is tensioned through the winder to ensure the level of the central hanging scaffold 2. The elevation of the two sides of the central hanging scaffold 2 can be measured by adopting the elevation measuring steel ruler 12, and the horizontal alignment of the central hanging scaffold 2 is carried out again. Erecting a laser vertical instrument at the central point of the surface of the base bottom plate of the cooling tower, wherein the laser vertical instrument upwards emits a light beam vertical to the horizontal plane. If the hanging point of the central hanging scaffold 2 is low, the bottom of the central hanging scaffold 2 is easily observed at the moment, the steel wire rope 4 is adjusted, and the center point (with a mark) of the reflector 1 is used for centering. If the suspension point of the central hanging scaffold 2 is high, the bottom of the central hanging scaffold 2 is not easy to be observed at the moment, the steel wire rope 4 is adjusted, and the center of the laser receiving target 14 is used for centering. And taking the center of the central hanging scaffold 2 as a central point for measurement control, and measuring the elevation and the radius of the cooling tower barrel body.
Claims (4)
1. A central hanging scaffold for measuring and controlling a hyperbolic cooling tower barrel body is characterized by mainly comprising a laser reflector (1), a central hanging scaffold (2), a steel wire rope (4), a radius measuring screw rod (5), a radius measuring nut (6), a radius measuring gasket (7), a radius measuring steel tape (8), an elevation measuring screw rod (9), an elevation measuring nut (10), an elevation measuring gasket (11), an elevation measuring steel tape (12), a triangular prism steel block (13) and a laser receiving target (14);
the central hanging scaffold (2) is a hollow disc body, the upper surface and the lower surface of the central hanging scaffold are mutually parallel circular disc surfaces, the side surface of the central hanging scaffold is an annular side wall, the center of the upper surface of the central hanging scaffold is provided with a radius measuring screw rod (5), the side surface of the central hanging scaffold is provided with four steel wire rope through holes (3), and the side surface of the central hanging scaffold is provided with two elevation measuring screw rods (9);
the radius measuring screw (5) is vertical to the upper disc surface of the central hanging scaffold (2); one end of a radius measuring steel tape (8) for measuring the radius of the cylinder body of the hyperbolic cooling tower is provided with a lantern ring, and after the lantern ring is sleeved on the radius measuring screw rod (5), a radius measuring washer (7) is firstly installed and then a radius measuring nut (6) is screwed in;
the elevation measuring screw rods (9) are symmetrically distributed on two sides of the central hanging scaffold (2); the axis of the elevation measuring screw (9) is parallel to the upper disc surface of the central hanging scaffold (2); one end of an elevation measuring screw (9) for measuring the height of the hyperbolic cooling tower barrel body is provided with a lantern ring, and after the elevation measuring screw (9) is sleeved with the lantern ring, an elevation measuring washer (11) is firstly installed, and then an elevation measuring nut (10) is screwed in;
the lower surface of the central hanging scaffold (2) is provided with a triangular prism steel block (13); a laser reflector (1) is fixed on one side surface of the triangular prism steel block (13); the laser reflector (1) is obliquely arranged, and an included angle of the laser reflector and the lower surface of the central hanging scaffold (2) is 45 degrees; the central point of the laser reflector (1) is positioned on the central shaft of the central hanging scaffold (2);
a template operation platform is built inside the hyperbolic cooling tower cylinder body; the template operating platform is built around the inner wall of the hyperbolic cooling tower, the bottom plane of the cooling tower is arranged below the template operating platform, and a hollow ascending space is arranged in the center of the template operating platform; four fixed pulleys are arranged on the template operating platform; the four fixed pulleys are positioned above the bottom plane of the cooling tower; a winder is arranged below each fixed pulley; the lower edge of the template is arranged above the fixed pulley;
the central hanging scaffold (2) is positioned in the ascending space;
the four steel wire rope through holes (3) are uniformly distributed on the side surface of the central hanging scaffold (2); two of the four steel wire rope through holes (3) form a group, and the two steel wire rope through holes (3) in the same group are positioned at two opposite sides of the central hanging scaffold (2);
two steel wire ropes (4) are configured; one steel wire rope (4) passes through the two steel wire rope through holes (3) of the same group; after two ends of each steel wire rope (4) are wound around the fixed pulleys, the steel wire ropes are wound on the corresponding winches of the wire reels;
tensioning or loosening the corresponding steel wire rope (4) through four wire winders to enable the central hanging scaffold (2) to ascend and descend vertically in the ascending space;
the center of the laser reflector (1) on the central hanging scaffold (2) faces a steel wire rope through hole (3) and a fixed pulley, the steel wire rope through hole (3) is marked as a point a, the center of the laser reflector (1) is marked as a point b, and the upper end of the fixed pulley is marked as a point c;
the height difference between the point a and the point b is H;
when the central hanging scaffold (2) rises to the right position, the point a and the point c are positioned on a section of horizontally stretched steel wire rope;
erecting a laser vertical instrument at the central point d of the surface of the base bottom plate of the cooling tower, wherein the laser vertical instrument upwards emits a light beam vertical to the horizontal plane;
installing a laser receiving target (14) at the template operation platform below the point c; the center of the laser receiving target (14) is marked as an e point; the point e is positioned below the point c, and the height difference between the point e and the point c is H;
when the central hanging scaffold (2) rises to the right position, the light beam reflected by the central point of the laser reflector (1) falls on the center of the laser receiving target (14).
2. The central platform of claim 1, wherein: the central hanging scaffold (2) can fix a plurality of steel tape measures (8) or height measuring steel tape measures (12).
3. The central platform of claim 1, wherein: two of the four steel wire rope through holes (3) form a group, and the steel wire rope through holes (3) in different groups are staggered up and down; the staggered height difference is h.
4. The central platform of claim 3, wherein: the four fixed pulleys are in a group in pairs corresponding to the steel wire rope through hole (3); the height difference of the vertical stagger of the fixed pulleys of different groups is h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263772.4U CN209820468U (en) | 2018-08-07 | 2018-08-07 | Central hanging scaffold for measuring and controlling hyperbolic cooling tower barrel body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263772.4U CN209820468U (en) | 2018-08-07 | 2018-08-07 | Central hanging scaffold for measuring and controlling hyperbolic cooling tower barrel body |
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| Publication Number | Publication Date |
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| CN209820468U true CN209820468U (en) | 2019-12-20 |
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| CN201821263772.4U Active CN209820468U (en) | 2018-08-07 | 2018-08-07 | Central hanging scaffold for measuring and controlling hyperbolic cooling tower barrel body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200562A (en) * | 2022-07-14 | 2022-10-18 | 河北省安装工程有限公司 | Use method for auxiliary tool for setting vertical lines and angular points |
-
2018
- 2018-08-07 CN CN201821263772.4U patent/CN209820468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200562A (en) * | 2022-07-14 | 2022-10-18 | 河北省安装工程有限公司 | Use method for auxiliary tool for setting vertical lines and angular points |
| CN115200562B (en) * | 2022-07-14 | 2023-10-27 | 河北省安装工程有限公司 | Application method for auxiliary tool for vertical line and corner placement |
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