CN115288461A - Height-adjustable measuring device and application method - Google Patents
Height-adjustable measuring device and application method Download PDFInfo
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- CN115288461A CN115288461A CN202211031051.1A CN202211031051A CN115288461A CN 115288461 A CN115288461 A CN 115288461A CN 202211031051 A CN202211031051 A CN 202211031051A CN 115288461 A CN115288461 A CN 115288461A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a height-adjustable measuring device which comprises a tower crane, a measuring tower, a base tower, a tower fixing rod, a chain block, a channel steel beam and a channel steel combined beam, wherein the tower crane is arranged on the base tower; the tower crane is arranged in the center of a factory building, the base tower and the measuring tower are arranged in the tower crane, the channel steel beam and the channel steel combination beam are arranged above the measuring tower, the channel steel combination beam hoists the chain block through a steel wire rope, the upper end of the measuring tower is connected with a lifting hook below the chain block, the lower end of the measuring tower is detachably connected with the base tower, and the measuring tower is provided with a measuring device; the invention also provides an application method of the height-adjustable measuring device, the measuring tower is lifted or descended and fixed by the chain block, the measuring tower at the bottom meets the instrument height required by measurement, the height of the measuring instrument and the measured positioning construction surface are in the same plane, the through-view condition is good, the information transmission is convenient and quick during positioning and lofting, the measuring precision is high, the working efficiency is improved, and the requirement of construction progress optimization is favorably met.
Description
The technical field is as follows:
the invention belongs to the technical field of civil engineering construction, particularly relates to a measuring device with adjustable height and an application method, and is suitable for measuring and paying off of a part with a deeper central part and a larger height difference with the surrounding environment.
The background art comprises the following steps:
the nuclear power station reactor factory building construction is provided with multiple barriers due to safety requirements, and the central part is located in the pit and is large in height difference with the periphery, and the ring wall enables the central part to form an independent space and cannot be seen through the periphery. Based on the height adjustable measuring device and the application method, the height adjustable measuring device is positioned at the central part of the nuclear power plant reactor workshop, so that the measurement control work is perfected, and the construction quality and the construction progress of the measurement paying-off are ensured.
The invention content is as follows:
the invention aims to overcome the defects of the prior art, provides a height-adjustable measuring device and an application method thereof, solves the problem that the traditional central point erecting instrument cannot be seen through with the periphery, enables a central point position to be seen through with a peripheral measuring pay-off area by adjusting the height of a central measuring frame, quickly and conveniently carries out measuring work by using the central point, optimizes the engineering progress, and has stable and reliable measuring work quality, flexible inspection and convenient measurement.
In order to realize the technical purpose, the invention adopts the following technical scheme:
the height-adjustable measuring device comprises a tower crane, a measuring tower, a base tower, a tower fixing rod, a chain block, a channel steel beam and a channel steel combined beam; the tower crane is arranged in the center of a factory building, the base tower is vertically arranged in the tower crane, and the measuring tower is hoisted in the tower crane and distributed above the base tower; the steel channel beam is arranged above the measuring tower and is fixedly connected with the tower crane; the measuring tower is characterized in that the channel steel combined beam is fixedly arranged on the channel steel beam, the chain block is hoisted below the channel steel combined beam through a steel wire rope, the upper end of the measuring tower is connected with a lifting hook below the chain block, the lower end of the measuring tower is detachably connected with the base tower, and the measuring tower is provided with a measuring device; the measuring tower is lifted or lowered by the chain block and is fixed by the tower fixing rod, so that the effect of adjustable height of the measuring tower is achieved.
Furthermore, the measuring tower is a frame structure with a triangular cross section and is formed by assembling a plurality of first towers and a plurality of second towers in a vertically staggered mode; the first tower and the second tower are connected through bolts.
Further, the first tower frame and the second tower frame are assembled by a cross beam, an inclined strut and three support legs; 190X 126X 10 oval steel plates are installed at the upper end and the lower end of each supporting leg, round holes matched with M16 bolts are formed in the oval steel plates, and the first tower and the second tower are connected through the M16 bolts.
Further, the height of the first tower is 1.1m, and the height of the second tower is 2m; the supporting legs are phi 76 multiplied by 6 steel pipes, and the inclined struts and the cross beams are phi 48 multiplied by 6 steel pipes.
Furthermore, the channel steel beam is No. 14 channel steel; the channel steel combination beam is arranged at the center of the channel steel beam and is formed by combining 2 pieces of No. 14 channel steel; the channel steel combination beam is fixedly connected with the channel steel beam through bolts.
Further, the channel steel beam is fixedly connected with the tower crane; arranging 260 multiplied by 200 multiplied by 10 steel plates on the upright post of the tower crane, drilling a phi 17 bolt hole on the steel plate, oppositely pulling and fixing the steel channel beam and the tower crane through a phi 16 bolt, and obtaining a torque of 200N <
furthermore, the lower end of the measuring tower is fixedly connected with the base tower through a connecting bolt.
Further, the base tower and the second tower are consistent in structure and fixedly installed on the embedded device; the embedded device comprises a bottom plate and three embedded parts of 300 multiplied by 10, wherein the three embedded parts are distributed in an equal angle by taking the center of the bottom plate as the circle center; the bottom plate is poured on the embedded part.
Further, the center of the bottom plate is located on a central axis of the base tower.
The invention also provides an application method of the height-adjustable measuring device, which comprises the following steps:
s1, embedding three embedded parts of 300 x 10 in the center of a factory building, pouring a bottom plate on the embedded parts, wherein the center of the bottom plate is superposed with the center of the factory building, and the three embedded parts are distributed at equal angles by taking the center of the bottom plate as the center of a circle;
s2, fixing the base tower on the bottom plate;
s3, installing a tower crane;
s4, assembling a plurality of sections of the first tower and the second tower into a measuring tower according to the required height, wherein the height of the measuring tower is lower than that of the tower crane;
s5, hoisting the measuring tower into the tower crane, and connecting the measuring tower with the base tower through a connecting bolt;
s6, hanging a channel steel beam at the position with the height of 4m at the top of the measuring tower, and fixedly connecting the channel steel beam with the tower crane through bolts;
s7, hanging a channel steel combination beam at the center above the channel steel beam, and fixing the channel steel combination beam and the channel steel beam through bolts;
s8, hanging a double-strand steel wire rope in the center of the channel steel composite beam, wherein the length of the double-strand steel wire rope is 0.6m, and the double-strand steel wire rope is in a closed shape;
s9, hanging a chain block hook on the double-strand steel wire rope;
s10, respectively hanging steel wire ropes with the length of 1m on three support legs at the upper end of a measuring tower frame, and hanging the three steel wire ropes on a hook at the lower part of a chain block;
s11, tightening the steel wire rope through a chain block, but not in a stressed state;
s12, detaching the connecting bolts to separate the measuring tower from the base tower;
s13, operating the chain block, lifting the measuring tower until the lifting difference is larger than 2.7m, and stopping lifting;
s14, penetrating 2 steel pipes at the lower opening part of the lifted measuring tower frame to enable the steel pipes to be supported on a cross bar of the tower crane, and slightly dropping the measuring tower frame after the steel pipes are supported and fixed to enable the steel pipes to bear force slightly;
s15, arranging an enclosure structure and an operation platform on the measuring tower, erecting a measuring instrument, and carrying out positioning and paying-off work.
The invention has the beneficial effects that:
the invention solves the problem that the measuring instrument cannot be seen through when the measuring instrument is erected at the central point position, and the problem that the measuring instrument has no through-viewing condition can be improved by adjusting the height of the measuring tower according to the height of the working surface of the measuring pay-off part, so that the measuring efficiency is greatly improved. The device and the method for measuring the position of the steel pipe are convenient to position, safe and efficient, accurate positioning results can be obtained, the calculated amount of on-site measurement and positioning can be greatly reduced, the erection is flexible, the space of other construction procedures is not occupied, the requirement for optimizing the construction progress is favorably met, the quality requirement of on-site construction is effectively met, the operation is simple, the practicability is high, and the popularization is suitable.
Description of the drawings:
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a plan view of a tower mount for measurement according to the present invention;
FIG. 3 is an elevation view of the steel channel beam, the steel channel composite beam, the steel wire rope and the chain block;
FIG. 4 is an elevational view of a first tower of the present invention;
FIG. 5 is an elevational view of a second tower of the present invention;
FIG. 6 is a plan view of a measuring tower of the present invention.
The symbols in the drawings are:
1. measuring the tower; 1-1, a first tower; 1-2, a second tower; 1-3, oval steel plates; 2. a base tower; 3. a factory center; 4. a tower fixing rod; 5. a wire rope; 6. a chain block; 7. a channel steel beam; 8. a channel steel composite beam; 9. tower crane; 10. a double strand wire rope.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The radius of a steel lining of a reactor factory building of a certain nuclear power station is R23.4m, a central point is positioned in a pit of-3.37 m, the height of a peripheral bottom plate is +/-0, two ring walls are arranged at the periphery, four layers of platform plates are required to be positioned and laid out, and the engineering quality and the construction progress are directly influenced by the fact that whether the measurement control work is perfect or not.
Referring to fig. 1 to 6, an embodiment of the present invention provides a height-adjustable measuring apparatus, including a tower crane 9, a measuring tower 1, a base tower 2, a tower fixing rod 4, a chain block 6, a channel steel beam 7, and a channel steel composite beam 8; the tower crane 9 is arranged in the center 3 of the factory building, the base tower 2 is vertically arranged in the tower crane 9, and the measuring tower 1 is hoisted in the tower crane 9 and distributed above the base tower 2; the channel steel beam 7 is arranged above the measuring tower frame 1 and is fixedly connected with a tower crane 9; the measuring tower frame 1 is fixedly arranged on a channel steel beam 7, a chain block 6 is hoisted below the channel steel combination beam 8 through a steel wire rope, the upper end of the measuring tower frame 1 is connected with a lifting hook below the chain block 6, the lower end of the measuring tower frame 1 is detachably connected with the base tower frame 2 through a connecting bolt, and a measuring device is arranged on the measuring tower frame 1; the measuring tower frame 1 is lifted or lowered through the chain block 6 and is fixed through the tower frame fixing rod 4, and the effect of adjusting the height of the measuring tower frame 1 is achieved.
Specifically, the measuring tower frame 1 is a frame structure with a triangular cross section (the side length is 0.8 m), and is formed by vertically and alternately assembling a plurality of first tower frames 1-1 and second tower frames 1-2; the first tower 1-1 and the second tower 1-2 are connected through bolts; the first tower frame 1-1 and the second tower frame 1-2 are assembled by a cross beam, an inclined strut and three support legs; the upper end and the lower end of each supporting leg are respectively provided with a 190X 126X 10 oval steel plate 1-3, the oval steel plates 1-3 are provided with phi 18 round holes matched with M16 bolts, and the first tower frame 1-1 and the second tower frame 1-2 are connected through the M16 bolts; the height of the first tower 1-1 is 1.1m, and the height of the second tower 1-2 is 2m; the supporting legs are phi 76 multiplied by 6 steel pipes, and the inclined struts and the cross beams are phi 48 multiplied by 6 steel pipes.
In the embodiment of the invention, the channel steel beam 7 is No. 14 channel steel, and each side of the channel steel beam 7 is 0.1mm longer than an outer frame of the tower crane 9; the channel steel combination beam 8 is arranged in the center of the channel steel beam 7 and is formed by combining 2 channels of No. 14 channels, and the channel steel combination beam 8 is fixedly connected with the channel steel beam 7 through bolts; and both ends of the channel steel combination beam 8 are longer than the channel steel beam 7.1mm.
In the embodiment of the invention, the channel steel beam 7 is fixedly connected with a tower crane 9; a 260X 200X 10 steel plate is arranged on the upright column of the tower crane 9, a phi 17 bolt hole is drilled in the steel plate, the steel channel beam 7 and the tower crane 9 are oppositely pulled and fixed through a phi 16 bolt, and the torque is 200N & lt + >
in the embodiment of the invention, the base tower frame 2 and the second tower frame 1-2 have the same structure, are 2 m-sized measuring tower frames and are fixedly arranged on the embedded device; the embedded device comprises a bottom plate and three embedded parts of 300 multiplied by 10, wherein the three embedded parts are distributed in an equal angle by taking the center of the bottom plate as the circle center; the center of the bottom plate is positioned on the central axis of the base tower 2, and the bottom plate is poured on the embedded part.
Example 2
The embodiment of the invention provides an application method of a height-adjustable measuring device, which comprises the following steps:
step one, embedding three embedded parts of 300 multiplied by 10 at the center 3 of a factory building, pouring a bottom plate on the embedded parts, wherein the center of the bottom plate is superposed with the center 3 of the factory building, and the three embedded parts are distributed at equal angles by taking the center of the bottom plate as the center of a circle;
secondly, fixing the base tower 2 on a bottom plate;
step three, installing a tower crane 9;
step four, assembling a plurality of sections of 1.1m first towers 1-1 and 2m second towers 1-2 into a measuring tower 1 according to the required height, wherein the height of the measuring tower 1 is lower than that of a tower crane 9;
step five, hoisting the measuring tower frame 1 into a tower crane 9, and connecting the measuring tower frame 1 with the base tower frame 2 through a connecting bolt;
step six, hanging a steel channel beam 7 at the position of the top elevation 4m of the tower frame 1, fixedly connecting the steel channel beam 7 with the tower crane 9 through bolts, arranging a 260 x 200 x 10 steel plate on a stand column of the tower crane 9, drilling a phi 17 bolt hole on the steel plate, oppositely pulling and fixing the steel channel beam 7 and the tower crane 9 through a phi 16 bolt, and enabling the torque to be 200N and m;
step seven, hanging a channel steel combination beam 8 at the center above the channel steel beam 7, and fixing the channel steel combination beam 8 and the channel steel beam 7 through bolts;
step eight, hanging a double-strand steel wire rope at the center of the channel steel combination beam 8, wherein the length of the double-strand steel wire rope is 0.6m, and the double-strand steel wire rope is in a closed shape;
step nine, hanging a 5T chain block 6 hook on the double-strand steel wire rope;
step ten, respectively hanging steel wire ropes 5 with the length of 1m on three support legs at the upper end of the measuring tower frame 1, and hanging the three steel wire ropes 5 on a hook at the lower part of a 5T chain block 6;
step eleven, tightening the steel wire rope 5 through a chain block 6, but not in a stressed state;
step twelve, dismounting the connecting bolts to separate the measuring tower 1 from the base tower 2;
step thirteen, operating the chain block 6, lifting the measuring tower frame 1 until the lifting height difference is more than 2.7m, and stopping lifting;
fourteen, penetrating 2 steel pipes at the lower opening part of the lifted measuring tower frame 1 to support the steel pipes on a cross bar of a tower crane 9, and slightly dropping the measuring tower frame 1 after the support is fixed to enable the steel pipes to bear force slightly;
and fifteen, arranging an enclosure structure and an operation platform on the measuring tower frame 1, erecting a measuring instrument and carrying out positioning and paying-off work.
Repeated practice proves that the structure and the method effectively solve the problem of measurement of paying-off and communication, and have the following remarkable advantages:
1. the height of the measuring tower can be adjusted according to the height of the working surface of the measuring paying-off part, so that the problem that the measuring instrument has no sight condition is changed,
2. the central point position is adopted, so that the measurement internal calculation workload is greatly reduced;
3. the frame station is nimble, does not occupy the space of other construction processes, can be according to the height condition element of leading to the sight height adjust the height as appropriate, and the measurement pylon can used repeatedly, reduce cost input.
According to the invention, the measuring tower frame is lifted or descended and fixed through the chain block, so that the measuring tower frame at the bottom meets the instrument height required by measurement, and the measuring instrument height and the measured positioning construction surface are in the same plane, thus not only can an accurate positioning result be obtained, but also the viewing conditions of the frame station and the lofting point are good, the information transmission is convenient and fast during positioning and lofting, the guarantee of the measuring precision is facilitated, the labor productivity is improved, and the requirement of construction progress optimization is met.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention, it should be noted that, for those skilled in the art, several modifications and decorations without departing from the principle of the present invention should be regarded as the protection scope of the present invention.
Claims (10)
1. A height-adjustable measuring device is characterized in that,
the tower crane comprises a tower crane (9), a measuring tower (1), a base tower (2), a tower fixing rod (4), a chain block (6), a steel channel beam (7) and a channel steel composite beam (8);
the tower crane (9) is arranged in the center (3) of the factory building, the base tower frame (2) is vertically arranged in the tower crane (9),
the measuring tower (1) is hoisted in the tower crane (9) and is distributed above the base tower (2);
the channel steel beam (7) is arranged above the measuring tower frame (1) and is fixedly connected with the tower crane (9);
the channel steel combination beam (8) is fixedly arranged on the channel steel beam (7), a chain block (6) is hoisted below the channel steel combination beam (8) through a steel wire rope,
the upper end of the measuring tower frame (1) is connected with a lifting hook below the chain block (6), the lower end of the measuring tower frame is detachably connected with the base tower frame (2), and a measuring device is installed on the measuring tower frame (1); the measuring tower (1) is lifted or lowered through the chain block (6) and is fixed through the tower fixing rod (4), and the effect of adjusting the height of the measuring tower (1) is achieved.
2. Height adjustable measuring device according to claim 1,
the measuring tower (1) is a frame structure with a triangular cross section and is formed by assembling a plurality of first towers (1-1) and second towers (1-2) in a vertically staggered manner; the first tower (1-1) and the second tower (1-2) are connected through bolts.
3. Height adjustable measuring device according to claim 2,
the first tower frame (1-1) and the second tower frame (1-2) are assembled by a cross beam, an inclined strut and three support legs;
oval steel plates (1-3) are mounted at the upper ends and the lower ends of the supporting legs, round holes matched with M16 bolts are formed in the oval steel plates (1-3), and the first tower frame (1-1) is connected with the second tower frame (1-2) through the M16 bolts.
4. Height adjustable measuring device according to claim 3,
the height of the first tower (1-1) is 1.1m, and the height of the second tower (1-2) is 2m;
the supporting legs are phi 76 multiplied by 6 steel pipes, and the inclined struts and the cross beams are phi 48 multiplied by 6 steel pipes.
5. Height adjustable measuring device according to claim 1,
the channel steel beam (7) is No. 14 channel steel;
the channel steel combination beam (8) is arranged at the center of the channel steel beam (7) and is formed by combining 2 pieces of No. 14 channel steel;
the channel steel combination beam (8) is fixedly connected with the channel steel beam (7) through bolts.
6. Height adjustable measuring device according to claim 1,
the channel steel beam (7) is fixedly connected with the tower crane (9);
and a 260X 200X 10 steel plate is arranged on the upright column of the tower crane (9), a phi 17 bolt hole is drilled in the steel plate, the steel channel beam (7) and the tower crane (9) are oppositely pulled and fixed through a phi 16 bolt, and the torque is 200N-.
7. Height adjustable measuring device according to claim 1,
the lower end of the measuring tower (1) is fixedly connected with the base tower (2) through a connecting bolt.
8. Height adjustable measuring device according to claim 1,
the base tower (2) and the second tower (1-2) are consistent in structure and fixedly arranged on the pre-buried device;
the embedded device comprises a bottom plate and three embedded parts, wherein the three embedded parts are distributed at equal angles by taking the center of the bottom plate as the circle center; the bottom plate is poured on the embedded part.
9. Height adjustable measuring device according to claim 7,
the center of the bottom plate is positioned on the central axis of the base tower (2).
10. The method of using the height adjustable measuring device of any one of claims 1 to 9, comprising the steps of:
s1, embedding three embedded parts in a center (3) of a factory building, pouring a bottom plate on the embedded parts, wherein the center of the bottom plate is superposed with the center (3) of the factory building, and the three embedded parts are distributed in an equiangular manner by taking the center of the bottom plate as a circle center;
s2, fixing the base tower (2) on a bottom plate;
s3, installing a tower crane (9);
s4, assembling a plurality of sections of the first tower frame (1-1) and the second tower frame (1-2) into a measuring tower frame (1) according to the required height, wherein the height of the measuring tower frame (1) is lower than that of a tower crane (9);
s5, hoisting the measuring tower (1) into a tower crane (9), and connecting the measuring tower (1) with the base tower (2) through a connecting bolt;
s6, hanging a channel steel beam (7) at the position 4m higher than the top of the measuring tower frame (1), and fixedly connecting the channel steel beam (7) with a tower crane (9) through bolts;
s7, hanging a channel steel combination beam (8) at the center above the channel steel beam (7), and fixing the channel steel combination beam (8) and the channel steel beam (7) through bolts;
s8, hanging a double-strand steel wire rope in the center of the channel steel combination beam (8), wherein the length of the double-strand steel wire rope is 0.6m, and the double-strand steel wire rope is in a closed shape;
s9, hanging a chain block (6) hook on the double-strand steel wire rope;
s10, respectively hanging steel wire ropes (5) with the length of 1m on three support legs at the upper end of a measuring tower frame (1), and hanging the three steel wire ropes (5) on a hook at the lower part of a chain block (6);
s11, tightening the steel wire rope (5) through the chain block (6), but not in a stressed state;
s12, detaching the connecting bolts to separate the measuring tower (1) from the base tower (2);
s13, operating the chain block (6), lifting the measuring tower frame (1) until the lifting height difference is larger than 2.7m, and stopping lifting;
s14, penetrating 2 steel pipes at the lower opening part of the lifted measuring tower frame (1) to enable the steel pipes to be supported on a cross bar of a tower crane (9), and slightly dropping the measuring tower frame (1) after the steel pipes are supported and fixed to enable the steel pipes to be slightly stressed;
s15, arranging a building enclosure and an operation platform on the measuring tower frame (1), erecting a measuring instrument, and carrying out positioning and paying-off work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211031051.1A CN115288461A (en) | 2022-08-26 | 2022-08-26 | Height-adjustable measuring device and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211031051.1A CN115288461A (en) | 2022-08-26 | 2022-08-26 | Height-adjustable measuring device and application method |
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| CN202211031051.1A Pending CN115288461A (en) | 2022-08-26 | 2022-08-26 | Height-adjustable measuring device and application method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081653Y (en) * | 2007-09-24 | 2008-07-02 | 中国核工业华兴建设有限公司 | Internal nuclear island structure survey control rack |
| RU2353569C1 (en) * | 2007-11-07 | 2009-04-27 | Общество с ограниченной ответственностью "Конструкторско-технологический институт КТИ-155" | Tower crane with device for tower growing and method for assembly and growing of tower crane tower |
| CN204944519U (en) * | 2015-09-24 | 2016-01-06 | 中国科学院遥感与数字地球研究所 | Orbit movable multi-dimensional measurement platform |
| CN209367703U (en) * | 2019-01-16 | 2019-09-10 | 上海颐东机械施工工程有限公司 | A kind of novel tower crane type crane |
-
2022
- 2022-08-26 CN CN202211031051.1A patent/CN115288461A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081653Y (en) * | 2007-09-24 | 2008-07-02 | 中国核工业华兴建设有限公司 | Internal nuclear island structure survey control rack |
| RU2353569C1 (en) * | 2007-11-07 | 2009-04-27 | Общество с ограниченной ответственностью "Конструкторско-технологический институт КТИ-155" | Tower crane with device for tower growing and method for assembly and growing of tower crane tower |
| CN204944519U (en) * | 2015-09-24 | 2016-01-06 | 中国科学院遥感与数字地球研究所 | Orbit movable multi-dimensional measurement platform |
| CN209367703U (en) * | 2019-01-16 | 2019-09-10 | 上海颐东机械施工工程有限公司 | A kind of novel tower crane type crane |
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