CN206051362U - Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device - Google Patents
Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device Download PDFInfo
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- CN206051362U CN206051362U CN201621089105.XU CN201621089105U CN206051362U CN 206051362 U CN206051362 U CN 206051362U CN 201621089105 U CN201621089105 U CN 201621089105U CN 206051362 U CN206051362 U CN 206051362U
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- connecting plate
- steel wire
- wire rope
- tower crane
- plate
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Abstract
This utility model discloses a kind of tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, including first, second connecting plate, screw rod, union joint and several pulleys, first connecting plate is threadedly connected to each screw rod one end, second connecting plate is threadedly connected to the other end of each screw rod, described first on each screw rod, nut is respectively arranged with the outside of second connecting plate, the union joint includes the upper junction plate being parallel to each other, lower connecting plate and it is fixed on, two gussets between lower connecting plate, two gusset is rotationally connected with the outside of first connecting plate, the second connecting plate lateral wall is fixed with second installing plate perpendicular with second connecting plate, the pulley is arranged on second installing plate.This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, tower crane Upon Flexible Adhesion can be realized, for attachment point is away from tower body building farther out and variable cross-section building, site operation requirement had both been met, meet the safety work of derrick crane again, smoothly install, smoothly remove.
Description
Technical field
This utility model is related to a kind of building machinery, more particularly to a kind of tower crane Upon Flexible Adhesion steel wire rope pre-tightening device.
Background technology
Jobs that requires special skills industry specifies that the attachment pull bar length of the rigid attachment of derrick crane is not to be exceeded 8m, for change
Section building structure such as Hyperbolic cooling tower and attachment point are ensureing tower for the construction operation of more than tower body 30m
Crane construction operation is met after terminating in the case that normal drop section removes, at least together the length of attachment pull bar considerably beyond
8m, and the own wt of the attachment pull bar of overlength will necessarily cause attachment Tiebar structure to be deformed, this deformation does not often have
Method is corrected it, and this will necessarily cause serious potential safety hazard to the daily construction of derrick crane；So rigid attachment is not
Attachment suitable for overlength distance is constructed.
Utility model content
The purpose of this utility model is to provide a kind of tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, to solve above-mentioned existing skill
The problem that art is present, realizes tower crane Upon Flexible Adhesion, for attachment point is away from tower body building farther out and variable cross-section building, both meets existing
Field construction requirement, meets the safety work of derrick crane again, smoothly installs, smoothly removes.
For achieving the above object, this utility model provides following scheme：A kind of tower crane Upon Flexible Adhesion steel wire rope pretension dress
Put, including the first connecting plate, the second connecting plate, at least three screw rods being parallel to each other, union joint and several pulleys, described
One connecting plate is threadedly connected to described each screw rod one end, and second connecting plate is threadedly connected to the other end of each screw rod,
Nut is respectively arranged with the outside of first, second connecting plate on each screw rod, the union joint includes what is be parallel to each other
Upper junction plate, lower connecting plate and two gussets being fixed between upper and lower connecting plate, two gusset are rotationally connected with described
On the outside of one connecting plate, the second connecting plate lateral wall is fixed with second installing plate perpendicular with second connecting plate, institute
State pulley to be arranged on second installing plate.
This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, wherein, the screw rod is four.
This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, wherein, it is fixed on the first connecting plate lateral wall
There are two the first installing plates being parallel to each other, the first installing plate described in two is perpendicular with first connecting plate, the upper and lower connection
Plate and two gussets are respectively positioned on described in two between first installing plate, and two gusset is connected to the first installing plate described in two by bearing pin
On.
This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, wherein, the pulley is four, and described second installs
Plate is three, per being provided with two pulleys described in two between the second installing plate.
This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, wherein, the first installing plate described in two and described first
Gusset is respectively and fixedly provided between connecting plate.
This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, wherein, the second installing plate described in two and described second
Gusset is respectively and fixedly provided between connecting plate.
This utility model achieves following technique effect relative to prior art：Due to this utility model tower crane Upon Flexible Adhesion
Steel wire rope pre-tightening device includes first, second connecting plate, screw rod, union joint and several pulleys, and first, second connecting plate can be
Move left and right on screw rod, make the distance between union joint and pulley change, as union joint is articulated with building, therefore
The distance between pulley and building can change, so as to can adjust the pulley of the pulley being wound on building and pre-tightening apparatus
Between steel wire rope pretightning force, realize the Upon Flexible Adhesion of tower crane, for attachment point is built away from tower body building farther out and variable cross-section
Build, both met site operation requirement, meet the safety work of derrick crane, the needs smoothly installed, smoothly remove again.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other accompanying drawings.
Front view structure figures of the Fig. 1 for this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device；
Overlooking structure figures of the Fig. 2 for this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device.
Description of reference numerals：First connecting plate 11, the second connecting plate 12, screw rod 13, union joint 14, pulley 15, nut 16,
17th, upper junction plate 141, lower connecting plate 142, gusset 143, the first installing plate 19, the second installing plate 18, gusset 21,22.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to this utility model.
This utility model provides a kind of tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, as shown in Figure 1, 2, including the first connection
Plate 11,12, four screw rods being parallel to each other 13 of the second connecting plate, union joint 14 and several pulleys 15, first, second connecting plate
Steel plate, the first connecting plate 11 is adopted to be threadedly connected to four 13 one end of screw rod, the second connecting plate 12 is threadedly connected to four spiral shells
The other end of bar 13, is respectively arranged with nut 16,17 on each screw rod 13 on the outside of first, second connecting plate, and union joint 14 includes
Upper junction plate 141, lower connecting plate 142 and two gussets 143 being fixedly welded between upper and lower connecting plate being parallel to each other, two muscle
Plate 143 is rotationally connected with the outside of the first connecting plate 11, and 12 lateral wall of the second connecting plate is welded with and the second connecting plate 12
The second perpendicular installing plate 18, pulley 15 are arranged on the second installing plate 18.
As shown in Figure 1, 2, it is welded with two the first installing plates 19 being parallel to each other on 11 lateral wall of the first connecting plate, two
First installing plate 19 is perpendicular with the first connecting plate 11, and 141,142 and two gusset 143 of upper and lower connecting plate is respectively positioned on two first peaces
Between dress plate 19, and upper and lower connecting plate 141,142 is welded on two first installing plates 19, and two gussets 143 are connected by bearing pin
On two first installing plates 19.
Pulley 15 arranges four, and the second installing plate 18 arranges three, and three the second installing plates 18 are parallel to each other, per two second
Two pulleys 15 are installed between installing plate 18.
Screw rod 13 may also be configured to three, five etc..
For further increase this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device intensity, in two first installing plates
19 and first are welded with gusset 21 between connecting plate 11, weld between two second installing plates 18 and the second connecting plate 12
It is fixed with gusset 22.
The installation process of this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device comprises the steps：
Attachment frame is installed first, then this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device is installed,
Steel wire rope pre-tightening device is mainly used in steel wire rope to be fixed at tower body and applies pretightning force, Ke Yi to steel wire rope
Pretightning force of the steel wire rope to tower crane is adjusted at any time in whole work progress.
The union joint 14 of this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device is connected by bearing pin with attachment frame,
4 pulleys 15 of the other end are used to pass around steel wire rope, and its operation principle is：By the pulley on building masonry wall and installation
Pulley Jing steel wire ropes on tower crane Upon Flexible Adhesion steel wire rope pre-tightening device are passed around, and the two ends of steel wire rope are fixed, and use spanner
The nut on pre-tightening apparatus bolt is tightened, makes the first connecting plate 11 of pre-tightening apparatus, the second connecting plate 12 constantly close, and finally
Reach the purpose to steel wire rope pretension.This utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device is mainly used in steel wire rope in tower
It is in fixed and pretightning force is applied to steel wire rope, pretension of the steel wire rope to tower crane can be adjusted in whole work progress at any time
Power.
When this utility model tower crane Upon Flexible Adhesion steel wire rope pre-tightening device is used for cooling tower tower crane attachment, first on cooling tower
Built-in fitting is set, then erection support and pulley on built-in fitting：
The projection line of attachment steel wire rope is released on cooling tower base plate by the position and angle of conceptual scheme, according to projection line and
Absolute altitude theodolite in scheme determines position of each anchor point on Cooling Tower Wall, in anchor point both sides and upper and lower colligation
The reinforcement of annular and meridian to barrel, the specification of reinforcement, quantity, length, position must not must be put accurately and less, leak and put and mistake
Put.
During tower crane attachment, per layer of uniform 5 built-in fitting on each direction, the level interval of built-in fitting are 3 meters, between the upper and lower away from
Pre-buried point on 2.6 meters of each directions is divided into upper and lower two-layer arrangement again, wherein, in 5 built-in fittings, middle installation of embedded parts exists
The point of intersection of 45 ° of extension lines of standard section of tower crane and body of wall.The elevation of pre-buried point is as shown in the table：
| Attachment | Attachment frame institute | Attachment collimation mark | Upper strata is pre-buried | Lower floor is pre-buried |
| Passage 1 | Put 9 sections in place position the | High 23.49m | Point 3 high 2.5m of mark | Point 2 high 9.5m of mark |
Pulley is arranged on bearing in advance on ground, and confirms installation site of the different pulleys in wall body built-in fitting
Afterwards, bearing is connected with the corrugated tubing of built-in fitting by 6 M24 high-strength bolts.
Pass around steel wire rope：
Steel wire rope is fixed on tower crane attachment frame：Fill by steel wire rope pretension is installed at tower crane facade layout drawing attachment position
Put, steel wire rope bypassed into steel wire rope pre-tightening device, it is fixed after diagonally opposed use pulling force jack applies pretension, while two with
Theodolite verifies tower crane perpendicularity, fixes steel wire rope when strain gauge reading is identical, fixes remaining steel wire with same method
Rope.The single pretension of steel wire rope is controlled in 5600kg.
Pass around steel wire rope detailed process：
1) pull rope of 200 meters of long Φ 12, steel wire rope is needed to receive construction technology when mounted when steel wire rope is installed
Impact needs to increase by 1000 meters.
2) by pull rope one end with attachment steel wire rope using snapping connection, other end is connected with crane hook, using tower
Hang to carry out auxiliary installation.
3) other end that attachment steel wire rope is connected with pull rope is fixed on attachment frame, pull rope is hung using crane hook
To structure built-in fitting position, and built-in fitting pulley is passed through, fag end is hung to into tower crane direction again afterwards, it is pre- through attachment frame steel wire rope
Pulley on tight device, same mode complete ten multiplying power wire rope handlings.
4) finally the attachment steel wire rope end head being connected with pull rope is connected with jack, completes pretension work is installed.
Note：Diagonal steel wire rope must be while pretension.
This installation procedure is only applicable to the attachment of JCD260 derrick cranes and installs.
Points for attention
1) it is unloaded, in the state of wind speed is not more than 3m/s, free height tower body side more than attachment state highest attachment point
To perpendicularity franchise to control within 4/1000, the tower body axial line perpendicularity franchise below highest attachment point is 2/
1000。
2) at the top of tower body swing-scanning control in the range of 1/100, the such as amplitude of oscillation is excessive, reason to be analyzed, solve in time.
3) observe the amount of deflection of steel cable in use at any time, such as find that amount of deflection is excessive, steel cable should be tensioned in time.
4) forbid to hang other articles on steel wire rope.
Apply specific case to be set forth principle of the present utility model and embodiment in this utility model, the above
The explanation of embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up
Described, this specification content is should not be construed as to restriction of the present utility model.
Claims (6)
1. a kind of tower crane Upon Flexible Adhesion steel wire rope pre-tightening device, it is characterised in that：Including the first connecting plate (11), the second connecting plate
(12), at least three screw rods being parallel to each other (13), union joint (14) and several pulleys (15), first connecting plate (11)
Described each screw rod (13) one end is threadedly connected to, second connecting plate (12) is threadedly connected to the another of each screw rod (13)
End, is respectively arranged with nut (16,17), the union joint on the outside of first, second connecting plate on each screw rod (13)
(14) including the upper junction plate (141), lower connecting plate (142) and two gussets being fixed between upper and lower connecting plate being parallel to each other
(143), two gusset (143) is rotationally connected with the outside of first connecting plate (11), and second connecting plate (12) is outward
Side wall is fixed with second installing plate (18) perpendicular with second connecting plate (12), and the pulley (15) is arranged at described
On two installing plates (18).
2. tower crane Upon Flexible Adhesion steel wire rope pre-tightening device according to claim 1, it is characterised in that：The screw rod (13) is
Four.
3. tower crane Upon Flexible Adhesion steel wire rope pre-tightening device according to claim 1, it is characterised in that：First connecting plate
(11) two the first installing plates (19) being parallel to each other are fixed with lateral wall, the first installing plate (19) described in two connects with described first
Fishplate bar (11) is perpendicular, and the upper and lower connecting plate and two gussets (143) are respectively positioned on described in two between first installing plate (19), institute
State two gussets (143) to be connected on the first installing plate (19) described in two by bearing pin.
4. tower crane Upon Flexible Adhesion steel wire rope pre-tightening device according to claim 1, it is characterised in that：The pulley (15) is
Four, second installing plate (18) is three, per being provided with two pulleys described in two between the second installing plate (18).
5. tower crane Upon Flexible Adhesion steel wire rope pre-tightening device according to claim 3, it is characterised in that：Described in two, first installs
Gusset (21) is respectively and fixedly provided between plate (19) and first connecting plate (11).
6. tower crane Upon Flexible Adhesion steel wire rope pre-tightening device according to claim 1, it is characterised in that：Described in two, second installs
Gusset (22) is respectively and fixedly provided between plate (18) and second connecting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089105.XU CN206051362U (en) | 2016-09-28 | 2016-09-28 | Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089105.XU CN206051362U (en) | 2016-09-28 | 2016-09-28 | Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051362U true CN206051362U (en) | 2017-03-29 |
Family
ID=58367742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621089105.XU Withdrawn - After Issue CN206051362U (en) | 2016-09-28 | 2016-09-28 | Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185642A (en) * | 2016-09-28 | 2016-12-07 | 北京庞源机械工程有限公司 | Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device |
| CN109928307A (en) * | 2017-12-19 | 2019-06-25 | 广东庞源工程机械有限公司 | A kind of novel tower airfoil type attached wall structure |
-
2016
- 2016-09-28 CN CN201621089105.XU patent/CN206051362U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185642A (en) * | 2016-09-28 | 2016-12-07 | 北京庞源机械工程有限公司 | Tower crane Upon Flexible Adhesion steel wire rope pre-tightening device |
| CN109928307A (en) * | 2017-12-19 | 2019-06-25 | 广东庞源工程机械有限公司 | A kind of novel tower airfoil type attached wall structure |
| CN109928307B (en) * | 2017-12-19 | 2023-11-10 | 广东庞源工程机械有限公司 | Novel tower wing type wall-attached structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20170815 |
|
| AV01 | Patent right actively abandoned |