CN109138581B - Normal installation lifting method for large-section lattice type steel pipe holding pole - Google Patents
Normal installation lifting method for large-section lattice type steel pipe holding pole Download PDFInfo
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- CN109138581B CN109138581B CN201810928758.XA CN201810928758A CN109138581B CN 109138581 B CN109138581 B CN 109138581B CN 201810928758 A CN201810928758 A CN 201810928758A CN 109138581 B CN109138581 B CN 109138581B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000011900 installation process Methods 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/344—Arrangements for lifting tower sections for placing additional sections under them
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a large-section lattice type steel pipe holding pole normal mounting lifting method, which comprises the following steps of: (a) the end section of the bottom and a standard section are assembled, and then a lifting hoop and a small steel pipe holding pole are installed and erected integrally; (b) lifting the standard knot to be installed by using a pulley at the top end of the small steel pipe holding rod; (c) manually installing the standard knot after the standard knot to be installed rises to the required height; (d) lifting the small holding pole of the steel pipe; (e) repeating steps (b) to (d) until all standard sections are installed. The method provided by the invention can realize the positive sequence installation of the standard knot, reduces the safety risk in the positive sequence installation process of the holding pole standard knot, can be suitable for different terrains, is not limited by fields, is wide in application, simple, practical, safe and reliable, and greatly improves the work efficiency of holding pole high-altitude installation operation.
Description
Technical Field
The invention relates to the field of power transmission, in particular to a method for normally assembling and lifting a large-section lattice type steel pipe holding pole.
Background
At present, the terrain of a plurality of internal extra-high voltage transmission line projects along the line is complex, a plurality of line tower positions are positioned in mountainous regions and mountains, the tower assembling terrain is special, when a traditional suspension holding pole is adopted to assemble an iron tower, because the construction site at the pile position is narrow and small, the gradient is steep, and the herringbone holding pole cannot be adopted to integrally erect the large-section lattice type steel pipe holding pole at one time. The normal preface installation of traditional big cross-section lattice formula steel pipe pole standard festival will set up 3 layers such as little steel pipe pole, upper standard festival, lower floor's standard festival and fall to the ground temporary guy wire usually, and the operation personnel mistake very easily takes place when the dismouting is acted as go-between, and construction safety risk is great.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a normal-installation lifting method for a large-section lattice type steel pipe holding pole.
In order to solve the technical problems, the invention adopts the following technical scheme:
a normal mounting and lifting method for a large-section lattice type steel pipe holding pole comprises the following steps:
(a) assembling the end section at the bottommost part of the large-section lattice type steel pipe holding pole and a standard section, respectively installing lifting hoops at the top end and the bottom end of the standard section, respectively installing the bottom part and the middle part of the small steel pipe holding pole in the lifting hoops at the bottom end and the top end of the standard section, integrally erecting after the installation, and fixing the small steel pipe holding pole on the ground;
(b) sequentially penetrating a traction rope through two pulleys at the top end of the small holding pole of the steel pipe, connecting one end of the traction rope with a traction power device, connecting the other end of the traction rope with a standard knot to be installed, and starting the traction power device to enable the standard knot to be installed to be lifted under the traction of the traction rope;
(c) when the standard knot to be installed rises to the installation height, the rotary bearing at the top end of the small holding pole of the steel pipe drives the cross beam to rotate, so that the standard knot to be installed is moved to the position above the installed standard knot, and the standard knot to be installed is installed and fixed by high-altitude operators;
(d) after one standard knot is installed, an aerial worker installs a lifting hoop at the top of the newly installed standard knot, then lifts the small steel pipe holding pole, installs the bottom end of the small steel pipe holding pole in the lifting hoop at the top end of the last standard knot after lifting, and installs the middle part of the small steel pipe holding pole in the lifting hoop at the top end of the newly installed standard knot;
(e) and (d) repeating the steps (b) to (d) to install the next standard knot until all the standard knots are installed, finally installing the topmost end knot by the same method, and removing the small steel pipe holding pole and each lifting hoop after the installation is completed.
As preferred, the promotion staple bolt includes that the standard festival embraces the frame tightly, the frame is embraced tightly to one side fixedly connected with little pole of embracing of frame is embraced to the standard festival, and the frame is embraced tightly to the standard festival and the frame is held tightly for a little pole squarely, it all is equipped with on four angles of frame to embrace tightly the pole for a little and embraces the structure tightly, it embraces the bottom plate on the frame including fixing little pole of embracing tightly to embrace the structure tightly, be equipped with the riser on the bottom plate, wear to be equipped with tightly to decide the bolt on the riser.
As preferred, the little pole of embracing of steel pipe is including embracing the pole main part, it is cuboid steel structural framework to embrace the pole main part, the top of embracing the pole main part is equipped with the slewing bearing support, be equipped with slewing bearing on the slewing bearing support, the slewing bearing top is equipped with the crossbeam, the both ends of crossbeam are equipped with the pulley.
Preferably, in the step (d), the method for lifting the small steel pipe holding pole comprises the steps of arranging a pulley at the top of the newly installed standard knot, winding the pulley by using a rope, connecting one end of the rope to a position below the middle part of the small steel pipe holding pole, and pulling the other end of the rope to lift the small steel pipe holding pole.
Preferably, the traction power device is a motor-driven winch device or a winch device.
Preferably, the standard knot clasping frame is a square frame consisting of four L-shaped steel pipes, connecting plates are arranged at two ends of each L-shaped steel pipe, two adjacent L-shaped steel pipes are connected with each other through the connecting plates and bolts, the small clasping rod clasping frame is a square frame consisting of two half square frames, the connecting plates are arranged at two ends of each half square frame, and two adjacent half square frames are connected with each other through the connecting plates and the bolts.
Preferably, each corner inner side of the small holding frame is provided with two roller devices, each roller device comprises a roller, a roller shaft and an ear plate, the ear plates are fixedly connected with the small holding frame, the roller shafts are arranged on the ear plates in a penetrating manner, and rollers are arranged on the roller shafts.
Preferably, the length of the holding pole main body is more than or equal to two times of the standard knot to be installed.
Preferably, the outer side of the vertical plate is further provided with a rib plate, one side of the rib plate is fixedly connected with the vertical plate, and the bottom of the rib plate is fixedly connected with the bottom plate.
Preferably, two opposite side frames of the small holding pole holding frame are provided with bolt holes for mounting support angle steel.
The invention has the beneficial effects that:
the method provided by the invention can realize the positive sequence installation of the standard knot, reduces the safety risk in the positive sequence installation process of the holding pole standard knot, can be suitable for different terrains, is not limited by fields, is wide in application, simple, practical, safe and reliable, and greatly improves the work efficiency of high-altitude installation operation.
Drawings
Fig. 1 is a schematic structural diagram of a lifting hoop;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a small holding pole of a steel pipe;
FIG. 4 is a schematic structural view of the top of a small holding pole of a steel pipe;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a diagram of the installation process of step (b);
FIG. 7 is a diagram of the installation process of step (c);
fig. 8 is a view of the installation process of step (d).
List of reference numerals:
1-lifting the hoop; 2-a small steel pipe holding pole; 3, holding the pole main body; 4-a slewing bearing support; 5-a slew bearing; 6-a cross beam; 7-a pulley; 8-standard knot holding frame; 9-a small holding pole holding frame; 10-a holding structure; 11-a base plate; 12-a riser; 13-tightening the bolt; 14-a connecting plate; 15-rib plate; 16-a roller device; 17-a roller; 18-roller shaft; 19-ear plate; 20-bolt holes; 21-support angle steel; 22-a first reinforcing plate; 23-a second reinforcing plate; 24-standard section; 25-temporary stay wire.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
a normal mounting and lifting method for a large-section lattice type steel pipe holding pole comprises the following steps:
(a) assembling the bottommost end section of a large-section lattice type steel pipe holding pole (the large-section holding pole generally refers to the section size of 900mm x 900mm, the length of 42m, and consists of 9 sections of 4m standard sections 24 and 2 sections of 3m end sections) and one standard section 24, respectively installing lifting hoops 1 at the top end and the bottom end of the standard section 24, respectively installing the bottom and the middle part of a small steel pipe holding pole 2 in the lifting hoops 1 at the bottom end and the top end of the standard section 24, integrally erecting after installation, and fixing on the ground; in order to improve the safety, a plurality of temporary pull wires 25 can be arranged around the standard knot 24 to enhance the stability;
(b) as shown in fig. 6, a traction rope sequentially passes through two pulleys 7 at the top end of the small holding pole 2 of the steel pipe, one end of the traction rope is connected with a traction power device, the other end of the traction rope is connected with a standard knot 24 to be installed, and the traction power device is started to enable the standard knot 24 to be installed to be lifted under the traction of the traction rope; the traction power device can be a motor winch device or a winch device;
(c) as shown in fig. 7, after the standard knot 24 to be installed rises to the installation height, the slewing bearing 5 at the top end of the small steel pipe holding pole 2 drives the cross beam 6 to rotate, so that the standard knot 24 to be installed is moved above the installed standard knot 24, and the standard knot 24 to be installed is installed and fixed by an overhead worker; after the installation is finished, arranging temporary pull wires 25 around the newly-installed standard knot 24, and then removing the temporary pull wires 25 on the standard knot 24 below the standard knot 24;
(d) as shown in fig. 8, after one standard knot 24 is installed, an aerial worker installs a lifting hoop 1 at the top of the newly installed standard knot 24, then lifts a small steel pipe holding pole 2, loosens a fastening bolt 13 on the lifting hoop 1 before lifting, installs the bottom end of the small steel pipe holding pole 2 in the lifting hoop 1 at the top end of the last standard knot 24 after lifting, and installs the middle part of the small steel pipe holding pole 2 in the lifting hoop 1 at the top end of the newly installed standard knot 24; the method for lifting the small steel pipe holding pole comprises the steps that a pulley is arranged at the top of a newly installed standard knot, a rope is used for winding the pulley, one end of the rope is connected with the position below the middle part of the small steel pipe holding pole, and then the other end of the rope is pulled by a traction power device to lift the small steel pipe holding pole;
(e) and (d) repeating the steps (b) to (d) to install the next standard knot 24 until all the standard knots 24 are installed, finally installing the topmost end knot by the same method, and removing the small steel pipe holding pole 2, each lifting hoop 1 and each temporary pull wire 25 after the installation is finished.
As shown in fig. 3 to 8, the large-section lattice type steel pipe holding pole normal lifting device used in the method comprises a steel pipe small holding pole 2 and a plurality of lifting hoops 1, the steel pipe small holding pole 2 comprises a holding pole main body 3, the holding pole main body 3 is a cuboid steel structure frame, a rotary bearing support 4 is arranged at the top end of the holding pole main body 3, a rotary bearing 5 is arranged on the rotary bearing support 4, a cross beam 6 is arranged above the rotary bearing 5, pulleys 7 are arranged at two ends of the cross beam 6, the lifting hoops 1 comprise standard knot holding frames 8, one side of each standard knot holding frame 8 is fixedly connected with a small holding pole holding frame 9, each of the standard knot holding frames 8 and the small holding pole holding frames 9 is square, holding structures 10 are arranged on four corners of each small holding pole holding frame 9, each of the holding structure 10 comprises a bottom plate 11 fixed on each small pole holding frame 9, a vertical plate 12 is arranged on the bottom plate 11, and a vertical plate 13 is arranged on each vertical plate 12 in. The length of the pole body 3 is more than or equal to twice of the standard knot 24 to be installed.
The standard knot clasping frame 8 is a square frame consisting of four L-shaped steel pipes, connecting plates 14 are arranged at two ends of each L-shaped steel pipe, and two adjacent L-shaped steel pipes are connected with bolts through the connecting plates 14. The small holding pole holding frame 9 is a square frame consisting of two half square frames, two ends of each half square frame are respectively provided with a connecting plate 14, and two adjacent half square frames are connected through the connecting plates 14 and bolts.
The outside of riser 12 still is equipped with gusset 15, gusset 15 one side and riser fixed connection, and the bottom plate 11 fixed connection of gusset 15, the setting of gusset 15 can improve the intensity of riser, and the installation that makes the little armful of pole 2 of steel pipe can be more stable is fixed on promoting staple bolt 1.
In order to ensure that the small steel pipe holding pole 2 stably and smoothly passes through the lifting hoop 1 in the lifting process and does not have serious inclination in the process of installing the standard knot 24, two roller devices 16 are arranged on the inner side of each corner of the small holding pole holding frame 9, each roller device 16 comprises a roller 17, a roller shaft 18 and an ear plate 19, each ear plate 19 is fixedly connected with the small holding pole holding frame 9, each ear plate 19 is provided with the roller shaft 18 in a penetrating manner, and each roller shaft 18 is provided with the roller 17.
The two frames opposite to the small holding pole holding frame 9 of the lifting hoop 1 are provided with bolt holes 20 for mounting support angle steel 21, and in practical use, the support angle steel 21 for supporting the small holding pole 2 of the steel pipe is mounted on the lifting hoop 1 at the bottom end of the small holding pole 2 of the steel pipe.
And a first reinforcing plate 22 is arranged at the joint of the standard knot holding frame 8 and the small holding pole holding frame 9. And a second reinforcing plate 23 is arranged on the connecting plates 14 on the other three sides except the side where the standard knot enclasping frame 8 is connected with the small enclasping pole enclasping frame 9.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (9)
1. The method for normally installing and lifting the large-section lattice type steel pipe holding pole is characterized by comprising the following steps of:
(a) assembling the end section at the bottommost part of the large-section lattice type steel pipe holding pole and a standard section, respectively installing lifting hoops at the top end and the bottom end of the standard section, respectively installing the bottom part and the middle part of the small steel pipe holding pole in the lifting hoops at the bottom end and the top end of the standard section, integrally erecting after the installation, and fixing the small steel pipe holding pole on the ground;
(b) sequentially penetrating a traction rope through two pulleys at the top end of the small holding pole of the steel pipe, connecting one end of the traction rope with a traction power device, connecting the other end of the traction rope with a standard knot to be installed, and starting the traction power device to enable the standard knot to be installed to be lifted under the traction of the traction rope;
(c) when the standard knot to be installed rises to the installation height, the rotary bearing at the top end of the small holding pole of the steel pipe drives the cross beam to rotate, so that the standard knot to be installed is moved to the position above the installed standard knot, and the standard knot to be installed is installed and fixed by high-altitude operators;
(d) after one standard knot is installed, an aerial worker installs a lifting hoop at the top of the newly installed standard knot, then lifts the small steel pipe holding pole, installs the bottom end of the small steel pipe holding pole in the lifting hoop at the top end of the last standard knot after lifting, and installs the middle part of the small steel pipe holding pole in the lifting hoop at the top end of the newly installed standard knot;
(e) repeating the steps (b) to (d) to install the next standard knot until all the standard knots are installed, finally installing the topmost end knot by the same method, and removing the small steel pipe holding poles and the lifting hoops after the installation is finished;
the steel pipe small holding pole comprises a holding pole main body, the holding pole main body is a cuboid steel structure frame, a rotary bearing support is arranged at the top end of the holding pole main body, a rotary bearing is arranged on the rotary bearing support, a cross beam is arranged above the rotary bearing, and pulleys are arranged at two ends of the cross beam.
2. The large-section lattice type steel pipe holding pole formal lifting method according to claim 1, wherein the lifting hoop comprises a standard section holding frame, one side of the standard section holding frame is fixedly connected with a small holding pole holding frame, the standard section holding frame and the small holding pole holding frame are both square, four corners of the small holding pole holding frame are provided with holding structures, each holding structure comprises a bottom plate fixed on the small holding pole holding frame, a vertical plate is arranged on the bottom plate, and a holding bolt penetrates through the vertical plate.
3. The method for normally lifting a large-section lattice type steel pipe holding pole as claimed in claim 1, wherein in the step (d), the method for lifting the small steel pipe holding pole is to arrange a pulley at the top of the newly installed standard knot, use a rope to pass around the pulley, connect one end of the rope to a position below the middle part of the small steel pipe holding pole, and then pull the other end of the rope to lift the small steel pipe holding pole.
4. The large-section lattice type steel pipe derrick erecting and lifting method according to claim 1, wherein the traction power device is a motorized winch or a winch device.
5. The method for normally assembling and lifting a large-section lattice type steel pipe holding pole according to claim 2, wherein the standard section holding frame is a square frame composed of four L-shaped steel pipes, two ends of each L-shaped steel pipe are provided with connecting plates, two adjacent L-shaped steel pipes are connected through the connecting plates and bolts, the small holding pole holding frame is a square frame composed of two half square frames, two ends of each half square frame are provided with connecting plates, and two adjacent half square frames are connected through the connecting plates and the bolts.
6. The method for normally lifting a large-section lattice type steel pipe holding pole as claimed in claim 2, wherein two roller devices are arranged inside each corner of the small holding pole holding frame, each roller device comprises a roller, a roller shaft and an ear plate, the ear plate is fixedly connected with the small holding pole holding frame, the roller shaft penetrates through the ear plate, and the roller shaft is provided with a roller.
7. The method for normally assembling and lifting a large-section lattice type steel pipe holding pole according to claim 1, wherein the length of the holding pole main body is more than or equal to two times of a standard knot to be assembled.
8. The large-section lattice type steel pipe holding pole forward-assembling lifting method according to claim 2, wherein a rib plate is further arranged on the outer side of the vertical plate, one side of the rib plate is fixedly connected with the vertical plate, and the bottom of the rib plate is fixedly connected with the bottom plate.
9. The method for normally assembling and lifting the large-section lattice type steel pipe holding pole according to claim 2, wherein bolt holes for installing support angle steel are formed in two opposite side frames of the small holding pole holding frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928758.XA CN109138581B (en) | 2018-08-15 | 2018-08-15 | Normal installation lifting method for large-section lattice type steel pipe holding pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928758.XA CN109138581B (en) | 2018-08-15 | 2018-08-15 | Normal installation lifting method for large-section lattice type steel pipe holding pole |
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| Publication Number | Publication Date |
|---|---|
| CN109138581A CN109138581A (en) | 2019-01-04 |
| CN109138581B true CN109138581B (en) | 2020-06-09 |
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| CN201810928758.XA Active CN109138581B (en) | 2018-08-15 | 2018-08-15 | Normal installation lifting method for large-section lattice type steel pipe holding pole |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202175518U (en) * | 2011-05-27 | 2012-03-28 | 浙江富达工程建设有限公司 | Attached type light derrick |
| CN103669978A (en) * | 2013-12-24 | 2014-03-26 | 国家电网公司 | Multifunctional hoop device for assembling embracing rods |
| CN203794500U (en) * | 2014-02-24 | 2014-08-27 | 扬州国电通用电力机具制造有限公司 | Tower hoisting device |
| CN206110810U (en) * | 2016-10-24 | 2017-04-19 | 国网冀北电力有限公司迁西县供电分公司 | Fixed armful of pole structure of staple bolt that slides |
| CN107620515A (en) * | 2017-11-06 | 2018-01-23 | 贵州电网有限责任公司 | Vertical device is hung in tower section segmentation |
| CN207033023U (en) * | 2017-05-10 | 2018-02-23 | 陕西九天电力科技有限公司 | A kind of adhesion type is from lifting pole |
-
2018
- 2018-08-15 CN CN201810928758.XA patent/CN109138581B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202175518U (en) * | 2011-05-27 | 2012-03-28 | 浙江富达工程建设有限公司 | Attached type light derrick |
| CN103669978A (en) * | 2013-12-24 | 2014-03-26 | 国家电网公司 | Multifunctional hoop device for assembling embracing rods |
| CN203794500U (en) * | 2014-02-24 | 2014-08-27 | 扬州国电通用电力机具制造有限公司 | Tower hoisting device |
| CN206110810U (en) * | 2016-10-24 | 2017-04-19 | 国网冀北电力有限公司迁西县供电分公司 | Fixed armful of pole structure of staple bolt that slides |
| CN207033023U (en) * | 2017-05-10 | 2018-02-23 | 陕西九天电力科技有限公司 | A kind of adhesion type is from lifting pole |
| CN107620515A (en) * | 2017-11-06 | 2018-01-23 | 贵州电网有限责任公司 | Vertical device is hung in tower section segmentation |
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| CN109138581A (en) | 2019-01-04 |
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