CN109779380A - Laterally docking assembles the quick tightening device of angle steel tower and group tower method to helicopter - Google Patents
Laterally docking assembles the quick tightening device of angle steel tower and group tower method to helicopter Download PDFInfo
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- CN109779380A CN109779380A CN201910063497.4A CN201910063497A CN109779380A CN 109779380 A CN109779380 A CN 109779380A CN 201910063497 A CN201910063497 A CN 201910063497A CN 109779380 A CN109779380 A CN 109779380A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 110
- 239000010959 steel Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003032 molecular docking Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 80
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Abstract
The invention discloses a kind of helicopter, laterally docking assembles the quick tightening device of angle steel tower and its group tower method, is related to Overhead Transmission Line Construction field.Helicopter Forming framework sky angle steel tower of power transmission line, for helicopter when lifting angle steel tower cross-arm, due to helicopter hovering limited time in place, how reducing the hovering activity duration of helicopter and fast implementing cross-arm becomes difficult point in place.The present invention includes screw rod, the rotatable only cantilever for being connected to screw rod left end, the round nut with wind screwed in from the right end of screw rod, in helicopter cross-arm, quick tightening device insertion cross-arm main material bolt hole and steel tower tower body main material bolt hole, then cocked 90 degree of only cantilever, rotate wind tightening, it is quick in place on steel tower tower body to have conveniently realized steel tower cross-arm, the helicopter hovering activity duration can be effectively reduced.
Description
Technical field
The present invention relates to Overhead Transmission Line Construction field more particularly to helicopter, laterally docking assembling angle steel tower is quickly received
Tight device and its group tower method.
Background technique
Currently, facing overhead transmission line Large scale construction, helicopter, which has become, solves the extreme construction difficult problem of engineering construction,
The important selection of the outstanding problems such as response environment protection, construction safety, duration pressure promotes helicopter to build in overhead transmission line
If strengthened research in is very necessary.State Grid Corporation of China has carried out helicopter in overhead transmission line demonstration project in recent years
The exploration and experiment work of construction, and phasic results are achieved, have the technology and substance for promoting helicopter strengthened research
Basis.
Helicopter Forming framework sky angle steel tower of power transmission line, cross-arm lifting is quickly difficult point in place.Helicopter angle steel tower
When cross-arm, due to helicopter hovering limited time in place, the hovering activity duration for how reducing helicopter is simultaneously quickly real
Existing cross-arm becomes difficult point in place.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
The helicopter laterally quick tightening device of docking assembling angle steel tower and its group tower method are provided, to reduce the helicopter hovering activity duration
And fast implement cross-arm it is in place for the purpose of.For this purpose, the present invention takes following technical scheme.
Laterally docking assembles the quick tightening device of angle steel tower to helicopter, including screw rod, stops cantilever, top cover and with wind
Round nut, the only rotatable left end for being connected to screw rod of cantilever, the round nut is screwed in from the right end of screw rod, described
Top cover be placed on the only screw position between cantilever and round nut, only cantilever stretch after and screw rod be in same axis, it is described
The cross-arm main material bolt hole and steel tower tower body main material bolt that only cantilever and screw rod can have the inserted angle steel tower in gap laterally to dock
Hole.It is postponed in place in use, steel tower cross-arm is hung in helicopter, operator moves toward straightening cantilever is stopped, and is allowed to be in same with screw rod
On one straight line, only cantilever and screw rod are successively then inserted into cross-arm main material bolt hole and steel tower tower body main material bolt hole, then wearing
Cross after only cantilever is pulled and is turn 90 degrees, push top cover to advance by wind rotating nuts, tighten steel tower tower body coupling part and cross
Main material is carried on a shoulder pole, after tightening, only cantilever, cross-arm main material and steel tower tower body coupling part is successively adjacent is affixed, have conveniently realized steel tower
Cross-arm is quick in place on steel tower tower body, can effectively reduce the helicopter hovering activity duration.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
The only cantilever is circular bar shape, and diameter is less than or equal to outer screw diameter, is only connected between cantilever and screw rod by rivet
It connects.It is convenient to realize by rivet and be rotatably connected, only cantilever diameter is less than or equal to outer screw diameter, convenient for across cross-arm main material
Bolt hole and steel tower tower body main material bolt hole.
The left end of the screw rod is equipped with flat connection, is only upper and lower perforative link slot among the right end of cantilever, and
Only cantilever front and rear sides at link slot are cut flat with, and when connection, the flat connection insertion of screw rod stops in the link slot of cantilever, rivet
Front and back is to through connection.Connection structure is simple and reliable, is easy to use rivet.
The right end of the only cantilever is planar end surface, and the left end of the only cantilever is circular arc chamfering.In cross-arm main material and
After the tightening of steel tower tower body main material, only the planar end surface of cantilever connecting pin can effectively realize the rotation stop limit of only cantilever, prevent only cantilever
The use that topples over and can be reduced only cantilever material is rotated, left end circular arc chamfering helps to hold safety when contact.
The wind includes handle and rocker arm, and the left end of handle is equipped with screw thread, uses after the through-hole of rocker arm upper end
Acorn nut fastening, rocker arm lower end and round nut are welded to connect.Connection structure is simple and reliable, reduces manufacture difficulty, reduces
Manufacturing cost.
Helicopter laterally docks the group tower method of the assembling quick tightening device of angle steel tower, comprising the following steps:
1) pre-process to steel tower cross-arm: the oblique material of one group of cross-arm by plane on steel tower cross-arm and lower plane close to tower body side is used
Iron wire is bound respectively in cross-arm main material, and is connected cross-arm main material by the oblique material of cross-arm and consolidated far from the spiro keyhole position of tower body side
It is fixed；
2) steel tower cross-arm is hung: when helicopter hanger steel tower cross-arm, cross-arm lift posture should with the horizontal plane angle of depression in 5~
10 ° of angles, i.e. cross arm end should be 5~10 ° lower than cross-arm root；
3) steel tower cross-arm lower plane is carried out in place: two of helicopter steel tower cross-arm steel tower cross-arm lower plane in place first
Cross-arm main material, concrete operation step is that two cross-arm main materials of cross-arm lower plane are inserted on the inside of tower bodies, in place close to tower body main material
Spiro keyhole position, while plane angle steel being avoided to touch with tower body；
4) steel tower cross-arm is quickly tightened in place: rapidly will be under tower section in place by quick tightening device by high altitude operation personnel on tower
Two, plane point tightenings in place, helicopter remains floating state in this process；
5) steel tower cross-arm rotation is promoted: after steel tower cross-arm lower plane penetrates quick tightening device and tightens fixation, as axis, directly
The machine of liter is slowly lifted up the steel tower cross-arm of lifting, makes on steel tower cross-arm on the inside of plane cross-arm main material insertion tower body；
6) plane is in place on steel tower cross-arm: after on steel tower cross-arm on the inside of two cross-arm main materials insertion tower body of plane, close to tower
Body main material spiro keyhole position in place, by high altitude operation personnel on tower by quick tightening device rapidly by plane two in tower section in place
A point tightening in place, helicopter remains floating state in this process；
7) helicopter, which breaks off relations, mends dress bolt: after plane is completed in place and tightened with quick tightening device on steel tower cross-arm, by ground
Face commanding issues to helicopter pilot and instructs, and helicopter, which breaks off relations, returns to landing point, then, by high altitude operation personnel on tower
After with regard to concatenating 3-5 bolt at site, removes quick tightening device and mend remaining tower material bolt of dress.
The quick precise and reliable of operating method can substantially reduce operation difficulty, promote service speed, reduce helicopter hovering and make
The industry time.
Step 4) and 6) in, quick tightening device penetrates steel tower tower body main material bolt hole and cross-arm main material spiral shell on the outside of the tower body
Then keyhole rotates the only cantilever of quick tightening device, when only cantilever is in 90 ° of angles with quick tightening device screw rod and consolidates
Afterwards, it is rotated clockwise by the wind of quick tightening device, round nut is made to push top cover tightening steel tower tower body main material and cross-arm
Main material spacing, until steel tower tower body main material is mutually abutted with cross-arm main material.Tighten it is simple to operate, securely and reliably.
The utility model has the advantages that quickly tightening device structure is simple, and it is easy to operate, steel tower cross-arm has been conveniently realized in steel tower tower body
On it is quick in place, greatly improve operating efficiency, the helicopter hovering activity duration can be effectively reduced, improve the peace of operation
Full property and reliability.
Detailed description of the invention
Fig. 1 is quickly tightening device schematic view of the front view of the invention.
Fig. 2 is quickly tightening device present invention looks up structural representation of the invention.
Fig. 3 is quickly tightening device insertion cross-arm main material bolt hole and steel tower tower body main material bolt hole schematic diagram of the invention.
Fig. 4 is the only cocked 90 degree of schematic diagrames of cantilever of quickly tightening device of the invention.
Fig. 5 is the tightening operation chart of quickly tightening device of the invention.
Fig. 6 is the status diagram after quickly tightening device tightening of the invention.
Fig. 7 is the floor map before steel tower cross-arm pretreatment of the present invention.
Fig. 8 is the pretreated floor map of steel tower cross-arm of the present invention.
Fig. 9 is helicopter hanger steel tower cross-arm schematic diagram of the present invention.
Figure 10 is steel tower cross-arm lower plane schematic diagram in place of the present invention.
Figure 11 is that steel tower cross-arm rotation of the present invention promotes schematic diagram.
Figure 12 is that plane is in place and helicopter unhook schematic diagram on steel tower cross-arm of the present invention.
In figure: the quick tightening device of 1-；2- steel tower cross-arm；3- helicopter；4- tower body main material；5-；101- screw rod；102- stops
Cantilever；103- top cover；104- round nut；105- rocker arm；106- handle；107- acorn nut；201- cross-arm main material；202- cross-arm
Oblique material；203- cross arm end；204- cross-arm root.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in figures 1 to 6, helicopter laterally docking assembling the quick tightening device of angle steel tower, including screw rod 101, only cantilever
102, top cover 103 and the round nut 104 with wind, the only rotatable left end for being connected to screw rod 101 of cantilever 102, round nut
104 screw in from the right end of screw rod 101, and top cover 103 is placed on only 101 position of screw rod between cantilever 102 and round nut 104, only hangs
After arm 102 stretches and screw rod 101 is in same axis, and only cantilever 102 and screw rod 101 can have the inserted angle steel tower in gap lateral
4 bolt hole of 201 bolt hole of cross-arm main material and steel tower tower body main material of docking.
It is rotatably connected to easily realize, only cantilever 102 is circular bar shape, and diameter is less than or equal to 101 outer diameter of screw rod, only
Pass through rivet interlacement between cantilever 102 and screw rod 101.It is convenient to realize by rivet and be rotatably connected, only 102 diameter of cantilever
Less than or equal to 101 outer diameter of screw rod, convenient for across 4 bolt hole of 201 bolt hole of cross-arm main material and steel tower tower body main material.
For the ease of using rivet interlacement, the left end of screw rod 101 is equipped with flat connection, only among the right end of cantilever 102
For upper and lower perforative link slot, and only 102 front and rear sides of cantilever at link slot are cut flat with, when connection, the flat connection of screw rod 101
Portion's insertion stops in the link slot of cantilever 102, to through connection before and after rivet.Connection structure is simple and reliable, is easy to use rivet.
In order to prevent rotating again for only cantilever 102, only cantilever 4 after cross-arm main material 201 and the tightening of steel tower tower body main material
102 right end is planar end surface, and only the left end of cantilever 102 is circular arc chamfering.After cross-arm main material 201 and the tightening of steel tower tower body main material
4, only the planar end surface of 102 connecting pin of cantilever can effectively realize only cantilever 102 rotation stop limit, prevent only cantilever 102 rotate
Topple over and can be reduced the use of only 102 material of cantilever, left end circular arc chamfering helps to hold safety when contact.
In order to simplify structure, wind includes handle 106 and rocker arm 105, and the left end of handle 106 is equipped with screw thread, across shaking
It is fastened after the through-hole of 105 upper end of arm with acorn nut 107,105 lower end of rocker arm and round nut 104 are welded to connect.Connection structure letter
It is single reliable, manufacture difficulty is reduced, manufacturing cost is reduced.
Helicopter laterally docks the group tower method of the assembling quick tightening device of angle steel tower, comprising the following steps:
1 pair of steel tower cross-arm 2 pre-processes: as Figure 7-8, by plane on steel tower cross-arm 2 and lower plane close to tower body side
The oblique material 202 of one group of cross-arm is bound in cross-arm main material 201 respectively with iron wire, and connects cross-arm main material 201 by the oblique material 202 of cross-arm
Spiro keyhole position far from tower body side is fixed；
2 pairs of steel tower cross-arms 2 are hung: as shown in figure 9, cross-arm lifts posture Ying Yushui when helicopter 3 hangs steel tower cross-arm 2
The plane angle of depression is in 10 ° of angles, i.e. cross arm end 203 should be 204 low 10 ° than cross-arm root；
3 pairs of 2 lower planes of steel tower cross-arm carry out in place: as shown in Figure 10, it is horizontal that helicopter 3 lifts the steel tower in place first of steel tower cross-arm 2
Two cross-arm main materials 201 of 2 lower planes are carried on a shoulder pole, concrete operation step is that two cross-arm main materials 201 of cross-arm lower plane are inserted into tower body
Inside, the spiro keyhole position in place close to tower body main material 4, while plane angle steel being avoided to touch with tower body；
The quickly tightening in place of 4 steel tower cross-arm 2: by high altitude operation personnel on tower by quick tightening device 1 rapidly by tower section in place
Lower plane two point tightenings in place, helicopter 3 remains floating state in this process；
The rotation of 5 steel tower cross-arms 2 is promoted: as shown in figure 11,2 lower plane of steel tower cross-arm penetrates quick tightening device 1 and tightens fixation
Afterwards, as axis, helicopter 3 is slowly lifted up the steel tower cross-arm 2 of lifting, inserts plane cross-arm main material 201 on steel tower cross-arm 2
Enter on the inside of tower body；
Plane is in place on 6 steel tower cross-arms 2: as shown in figure 12, when two cross-arm main materials 201 of plane on steel tower cross-arm 2 are inserted into tower
After on the inside of body, the spiro keyhole position in place close to tower body main material 4 is rapid by quick tightening device 1 by high altitude operation personnel on tower
By two, plane in tower section in place point tightenings in place, helicopter 3 remains floating state in this process；
7 helicopters 3, which break off relations, mends dress bolt: after plane completes in place and tightening with quick tightening device 1 on steel tower cross-arm 2, by
Ground control personnel issue to 3 driver of helicopter and instruct, and helicopter 3, which breaks off relations, returns to landing point, then, by high altitude operation on tower
Personnel remove quick tightening device 1 and mend remaining tower material bolt of dress after with regard to concatenating 5 bolts at site.
The quick precise and reliable of operating method can substantially reduce operation difficulty, promote service speed, reduce helicopter 3 and hover
Activity duration.
In step 4 and 6, as seen in figures 3-6, quick tightening device 1 penetrates 4 bolt hole of steel tower tower body main material on the outside of tower body
With 201 bolt hole of cross-arm main material, the only cantilever 102 of quick tightening device 1 is then rotated, when only cantilever 102 and quickly tightening dress
1 screw rod 101 is set in 90 ° of angles and after consolidating, is rotated clockwise by the wind of quick tightening device 1, pushes away round nut 104
Dynamic top cover 103 tightens steel tower tower body main material 4 and 201 spacing of cross-arm main material, until 201 phase of steel tower tower body main material 4 and cross-arm main material
It abuts.Tighten simple to operate, securely and reliably, it is quick in place on steel tower tower body to have conveniently realized steel tower cross-arm 2, energy
Helicopter 3 is enough effectively reduced to hover the activity duration.
Laterally the quick tightening device of docking assembling angle steel tower and its group tower method are these to helicopter shown in figure 1 above -12
The specific embodiment of invention has embodied present invention substantive distinguishing features outstanding and marked improvement, can be according to actual use
It needs, under the inspiration of the present invention, the equivalent modifications of shape, structure etc. is carried out to it, in the protection scope of this programme
Column.
Claims (7)
1. laterally docking assembles the quick tightening device of angle steel tower to helicopter, it is characterised in that: including screw rod (101), stop cantilever
(102), top cover (103) and the round nut (104) with wind, cantilever (102) are rotatable to be connected to screw rod for described stopping
(101) left end, the round nut (104) are screwed in from the right end of screw rod (101), and the top cover (103) is placed on only cantilever
(102) screw rod (101) position between round nut (104), after only cantilever (102) stretches and screw rod (101) is in same axis
Line, the cross-arm main material (201) that only cantilever (102) and screw rod (101) can have the inserted angle steel tower in gap laterally to dock
Bolt hole and steel tower tower body main material (4) bolt hole.
2. laterally docking assembles the quick tightening device of angle steel tower to helicopter according to claim 1, it is characterised in that: described
Only cantilever (102) be circular bar shape, diameter is less than or equal to screw rod (101) outer diameter, only logical between cantilever (102) and screw rod (101)
Cross rivet interlacement.
3. laterally docking assembles the quick tightening device of angle steel tower to helicopter according to claim 2, it is characterised in that: described
The left end of screw rod (101) be equipped with flat connection, be upper and lower perforative link slot among the right end of only cantilever (102), and even
Only cantilever (102) front and rear sides at access slot are cut flat with, and when connection, the flat connection insertion of screw rod (101) stops cantilever (102)
In link slot, to through connection before and after rivet.
4. laterally docking assembles the quick tightening device of angle steel tower to helicopter according to claim 3, it is characterised in that: described
The right end of only cantilever (102) be planar end surface, the left end of described only cantilever (102) is circular arc chamfering.
5. laterally docking assembles the quick tightening device of angle steel tower to helicopter according to claim 1, it is characterised in that: described
Wind include handle (106) and rocker arm (105), the left end of handle (106) is equipped with screw thread, passes through rocker arm (105) upper end
It is fastened after through-hole with acorn nut (107), rocker arm (105) lower end and round nut (104) are welded to connect.
6. the group tower method of the assembling quick tightening device of angle steel tower is laterally docked using helicopter described in claim 1, it is special
Sign be the following steps are included:
1) steel tower cross-arm (2) is pre-processed: one group of cross-arm by plane on steel tower cross-arm (2) and lower plane close to tower body side
Oblique material (202) is bound with iron wire respectively on cross-arm main material (201), and passes through the oblique material of cross-arm (202) connection cross-arm main material (201)
Spiro keyhole position far from tower body side is fixed；
2) hang to steel tower cross-arm (2): when helicopter (3) hangs steel tower cross-arm (2), cross-arm lifts posture should be with horizontal plane
The angle of depression is in 5~10 ° of angles, i.e. cross arm end (203) should be 5~10 ° lower than cross-arm root (204)；
3) carry out to steel tower cross-arm (2) lower plane in place: helicopter (3) lifts steel tower cross-arm (2) steel tower cross-arm (2) in place first
Two cross-arm main materials (201) of lower plane, concrete operation step are by two cross-arm main material (201) insertion tower bodies of cross-arm lower plane
Inside, the spiro keyhole position in place close to tower body main material (4), while plane angle steel being avoided to touch with tower body；
4) steel tower cross-arm (2) quickly tightening in place: rapidly will be in place by quick tightening device (1) by high altitude operation personnel on tower
Tower section lower plane two point tightenings in place, helicopter (3) remains floating state in this process；
5) steel tower cross-arm (2) rotation is promoted: after steel tower cross-arm (2) lower plane penetrates quick tightening device (1) and tightens fixation, with
This is axis, and helicopter (3) is slowly lifted up the steel tower cross-arm (2) of lifting, makes plane cross-arm main material on steel tower cross-arm (2)
(201) on the inside of insertion tower body；
6) plane is in place on steel tower cross-arm (2): when two cross-arm main materials (201) of plane on steel tower cross-arm (2) are inserted into tower body
Behind side, the spiro keyhole position in place close to tower body main material (4) is rapid by quick tightening device (1) by high altitude operation personnel on tower
By two, plane in tower section in place point tightenings in place, helicopter (3) remains floating state in this process；
7) helicopter (3), which breaks off relations, mends dress bolt: when plane is in place with quick tightening device (1) completion on steel tower cross-arm (2) and receives
It is next, it issues and instructs from ground control personnel to helicopter (3) driver, helicopter (3), which breaks off relations, returns to landing point, then, by
High altitude operation personnel remove quick tightening device (1) and mend remaining tower material spiral shell of dress after with regard to concatenating 3-5 bolt at site on tower
Bolt.
7. helicopter according to claim 6 laterally docks the group tower method of the assembling quick tightening device of angle steel tower, special
Sign is: step 4) and 6) in, quick tightening device (1) penetrates steel tower tower body main material (4) bolt hole and cross-arm on the outside of the tower body
Main material (201) bolt hole, then rotate quick tightening device (1) stops cantilever (102), when only cantilever (102) and quickly tightening
Device (1) screw rod (101) is rotated clockwise by the wind of quick tightening device (1) in 90 ° of angles and after consolidating, makes to justify
Nut (104) pushes top cover (103) tightening steel tower tower body main material (4) and cross-arm main material (201) spacing, until steel tower tower body main material
(4) it is mutually abutted with cross-arm main material (201).
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| CN201910063497.4A CN109779380A (en) | 2019-01-23 | 2019-01-23 | Laterally docking assembles the quick tightening device of angle steel tower and group tower method to helicopter |
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| CN104564961A (en) * | 2014-12-22 | 2015-04-29 | 宁波市镇海翔遨机电有限公司 | Expansion bolt |
| CN204828180U (en) * | 2015-07-18 | 2015-12-02 | 宁波永诚五金机械有限公司 | Orchid is pressed from both sides |
| CN105464456A (en) * | 2015-12-30 | 2016-04-06 | 国家电网公司 | Method and lifting sling for assembling extra-high voltage transmission iron tower through helicopter |
| CN105927640A (en) * | 2016-06-02 | 2016-09-07 | 祁欣妤 | Single-sheet type riveting device |
| CN106382046A (en) * | 2016-11-18 | 2017-02-08 | 国网通用航空有限公司 | Helicopter hoisting auxiliary device for ultrahigh voltage cup tower head and hoisting method |
| CN209704154U (en) * | 2019-01-23 | 2019-11-29 | 浙江省送变电工程有限公司 | Laterally docking assembles the quick tightening device of angle steel tower to helicopter |
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