CN207686144U - A kind of high stress steel strand integral bundle extruding drag-line - Google Patents
A kind of high stress steel strand integral bundle extruding drag-line Download PDFInfo
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- CN207686144U CN207686144U CN201721828093.2U CN201721828093U CN207686144U CN 207686144 U CN207686144 U CN 207686144U CN 201721828093 U CN201721828093 U CN 201721828093U CN 207686144 U CN207686144 U CN 207686144U
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- sealing drum
- anchor head
- guy
- sleeve
- steel cable
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Abstract
The utility model is related to a kind of high stress steel strand integral bundles to squeeze drag-line, two anchorages including guy of twisted steel cable and mounted on guy of twisted steel cable both ends, anchorage includes squeezing anchor head, nut, sealing drum, seal assembly, buffer sleeve and damper, nut, which is mounted on, to be squeezed on anchor head, buffering sleeve one end is connect with anchor head is squeezed, the buffering sleeve other end is connect with sealing drum, damper is mounted in sealing drum and is close to buffer sleeve end face, guy of twisted steel cable end penetrates sealing drum, guy of twisted steel cable end divests PE steel strand wires across damper and buffering sleeve and is fixed in extruding anchor head, extruding anchor cephalic par is sealed by anchor head seal cover board, it buffers and is filled with epoxy resin mortar in sleeve, anti-corrosion packing material is perfused in sealing drum, it is sealed by seal assembly between sealing drum end and guy of twisted steel cable.The utility model can meet the fatigue behaviour of 400MPa stress amplitudes, can bear the stress variation amplitude of bigger.
Description
Technical field
The utility model is related to a kind of drag-line, more particularly to a kind of high stress steel strand integral bundle squeezes drag-line.
Background technology
At present country's bridge and the application of building construction drag-line it is most be that steel strand integral bundle squeezes drag-line, the stayed structure ruler
Very little small, drag-line intensity is high, is largely applied in bridge and building construction.
The design Suo Li of drag-line（Drag-line allows the maximum pull used on bridge, generally considers 2~2.5 times of safety systems
Number）Generally the 0.4~0.45 of drag-line limit fracture Suo Li, while drag-line should also meet the requirement of fatigue behaviour.Fatigue behaviour
It is required that it is 0.45 times of drag-line ultimate tension that drag-line, which should be able to meet upper threshold force, stress amplitude 200MPa is recycled 2,000,000 times, and drag-line is not
Allow have 2%~5% fracture of wire.Popular says, 0.45 times that drag-line is exactly moved to ultimate tension.Then power is lowered again,
Range of decrease intensity is 200MPa, then moves 0.45 times of ultimate tension to again, is repeated 2,000,000 times.It is influenced by material and structure, at present
The stress amplitude of this drag-line is very low, is no more than 200MPa.Main cause is caused by the structure of anchorage, steel strand wires extruding anchor, steel
Twisted wire is directly extruded in anchor cup from finished product rope to anchor cup, the process of neither one transition, steel strand wires are squeezed, and stress is too big, steel
For twisted wire when being shaken, power is directly delivered to steel strand wires extruded parts, is easy fatigue break.
In recent years, the increasing of infrastructure, various special bridges and building increase.Both existing drag-lines have been expired
The needs that foot is not built, the drag-lines of more requirement of engineering high stress width.Especially in coastal waters or bridge over strait, disliked
The influence of bad weather, drag-line moment stress change very greatly, it is desirable that drag-line can bear the stress variation amplitude of bigger.
Invention content
The technical problems to be solved in the utility model is：A kind of high stress steel strand integral bundle extruding drag-line, the drag-line are provided
The fatigue behaviour of 400MPa stress amplitudes can be met, the stress variation amplitude of bigger can be born.
Solving the technical solution of above-mentioned technical problem is：A kind of high stress steel strand integral bundle extruding drag-line, including steel strand wires
Drag-line and two anchorages mounted on guy of twisted steel cable both ends, the anchorage include squeezing anchor head, nut, sealing drum and sealing
Component, the anchorage further include having buffering sleeve and damper, and nut, which is mounted on, to be squeezed on anchor head, is buffered sleeve one end and is squeezed
Anchor head connection, the buffering sleeve other end is pressed to be connect with sealing drum, damper is mounted in sealing drum and is close to buffer sleeve end face,
Guy of twisted steel cable end penetrates sealing drum, and guy of twisted steel cable end divests PE steel strand wires across damper and buffering sleeve and consolidates
It is scheduled on and squeezes in anchor head, extruding anchor cephalic par is sealed by anchor head seal cover board, and epoxy resin mortar, sealing are filled in buffering sleeve
It is perfused with anti-corrosion packing material in cylinder, is sealed by seal assembly between sealing drum end and guy of twisted steel cable.
The both ends of the buffering sleeve are that the mode being connected through a screw thread is connect with extruding anchor head, sealing drum respectively.
The cross sectional shape of the buffering sleeve lining is dentation.
The utility model is characterized in that：1, a buffering sleeve is increased, high-strength epoxy mortar is perfused in buffering sleeve Inner,
Effectively reduce the vibrations that steel strand wires are generated in stress alternation variation；2, damper is increased, steel strand wires are effectively eliminated
Vibrations.
For drag-line when stress, steel strand wires will produce vibrations, when especially stress amplitude generation alternately changes, vibrations
It can be more severe.Drag-line of the present invention and conventional extruding drag-line compare, more buffering sleeve, epoxy resin mortar and dampers, drag-line
Vibrations major part is eliminated by damper, be then passed on the epoxy resin mortar of solidification, then by buffer sleeve, be transmitted to crowded
Anchor head, the steel strand wires position being finally easily broken off are pressed, that is, the steel strand wires position that anchor head Inner is extruded, the vibrations being subject to are
Very little.So, the fatigue behaviour of drag-line is significantly improved, and can hold the lotus for can standing high stress amplitude variation
It carries.
It is detected according to method specified in People's Republic of China (PRC) traffic transport industry standard JT/T 850-2013, this reality
Reach 400MPa with novel stress amplitude.
In the following, squeezing a kind of high stress steel strand integral bundle of the utility model the technology of drag-line in conjunction with the accompanying drawings and embodiments
Feature is further described.
Description of the drawings
Fig. 1：The high stress steel strand integral bundle of the utility model squeezes stayed structure schematic diagram.
Fig. 2：When the utility model makes, the pre-installed position schematic diagram of each parts.
Fig. 3：When the utility model makes, steel strand wires, which penetrate to squeeze, squeezes tight schematic diagram in anchor head.
Fig. 4：When the utility model makes, the schematic diagram of buffering sleeve Inner perfusion epoxy resin mortars.
In figure：1- anchor head seal cover boards, 2- extruding anchor heads, 3- nuts, 4- buffering sleeves, 5- epoxy resin mortars, 6- dampers,
7- guy of twisted steel cable, 8- anti-corrosion packing materials, 9- sealing drums, 10- seal assemblies.
P indicates extrusion die core in Fig. 3.
Specific implementation mode
Embodiment 1：A kind of high stress steel strand integral bundle extruding drag-line, as shown in Figure 1, including guy of twisted steel cable 7 and installation
Two anchorages at guy of twisted steel cable both ends, the anchorage include squeezing anchor head 2, nut 3, sealing drum 9 and seal assembly 10,
The anchorage further includes having buffering sleeve 4 and damper 6, and damper 6 is made of rubber material, and nut is mounted on extruding anchor
On head, buffering sleeve one end is connect with anchor head is squeezed, and the buffering sleeve other end is connect with sealing drum, and damper is mounted on sealing drum
Interior and be close to buffer sleeve end face, guy of twisted steel cable end penetrates sealing drum, and the PE steel strand wires that divest of guy of twisted steel cable end are worn
It crosses damper and buffering sleeve and is fixed on and squeeze in anchor head, extruding anchor cephalic par is sealed by anchor head seal cover board 1, cushion collar
It is filled with epoxy resin mortar 5 in cylinder, anti-corrosion packing material 8 is perfused in sealing drum, leads between sealing drum end and guy of twisted steel cable
Cross seal assembly sealing.
In the present embodiment, the both ends of the buffering sleeve be the mode that is connected through a screw thread respectively with squeeze anchor head, close
Sealed tube connects.
In the present embodiment, the cross sectional shape of the buffering sleeve lining is the dentation with multiple trapezoidal grooves, to increase
Add epoxy resin mortar and buffer the contact area of sleeve, epoxy resin mortar is enable to be firmly fixed in buffering sleeve.
The production process of the utility model is as follows：
1, the prepackage of parts is installed each part by Fig. 2.
2, steel strand wires are penetrated into extruding anchor head, by extruder, drag-line steel strand wires is squeezed to tight, as shown in Figure 3
3, after squeezing, by cushion collar wound packages on squeezing anchor head, drag-line is placed vertically, as shown in figure 4, in buffering sleeve
Epoxy resin mortar is perfused in Inner, and epoxy resin mortar intensity is very high, has 100MPa or more after solidification, energy is effective and steel strand wires are bonded to one
It rises, prevents steel strand wires from generating vibrations after entering to squeeze anchor head.
4, after epoxy resin mortar solidification, damper is pushed to come, has refilled sealing drum, seal assembly, sealing drum Inner perfusions are anti-
Rotten packing material, then processing squeeze the external screw thread of anchor head, and whole drag-line is with regard to completion of processing.
Claims (3)
1. a kind of high stress steel strand integral bundle squeezes drag-line, including guy of twisted steel cable（7）With mounted on guy of twisted steel cable both ends
Two anchorages, the anchorage include squeezing anchor head（2）, nut（3）, sealing drum（9）And seal assembly（10）, feature exists
In：The anchorage further includes having buffering sleeve（4）And damper（6）, nut, which is mounted on, to be squeezed on anchor head, and sleeve one end is buffered
It is connect with anchor head is squeezed, the buffering sleeve other end is connect with sealing drum, and damper is mounted in sealing drum and is close to buffer sleeve
End face, guy of twisted steel cable end penetrate sealing drum, and the PE steel strand wires that divest of guy of twisted steel cable end pass through damper and cushion collar
Cylinder is simultaneously fixed in extruding anchor head, and extruding anchor cephalic par passes through anchor head seal cover board（1）Sealing, buffering sleeve is interior to be filled with epoxy
Mortar（5）, anti-corrosion packing material is perfused in sealing drum（8）, pass through seal assembly between sealing drum end and guy of twisted steel cable
Sealing.
2. a kind of high stress steel strand integral bundle according to claim 1 squeezes drag-line, it is characterised in that：The cushion collar
The both ends of cylinder are that the mode being connected through a screw thread is connect with extruding anchor head, sealing drum respectively.
3. a kind of high stress steel strand integral bundle according to claim 1 or 2 squeezes drag-line, it is characterised in that：Described is slow
The cross sectional shape for rushing sleeve lining is dentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828093.2U CN207686144U (en) | 2017-12-22 | 2017-12-22 | A kind of high stress steel strand integral bundle extruding drag-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828093.2U CN207686144U (en) | 2017-12-22 | 2017-12-22 | A kind of high stress steel strand integral bundle extruding drag-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686144U true CN207686144U (en) | 2018-08-03 |
Family
ID=62995958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721828093.2U Active CN207686144U (en) | 2017-12-22 | 2017-12-22 | A kind of high stress steel strand integral bundle extruding drag-line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725547A (en) * | 2019-10-17 | 2020-01-24 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN112942102A (en) * | 2021-02-03 | 2021-06-11 | 柳州欧维姆机械股份有限公司 | Prestressed inhaul cable anchorage device with elastic sealing cylinder |
-
2017
- 2017-12-22 CN CN201721828093.2U patent/CN207686144U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725547A (en) * | 2019-10-17 | 2020-01-24 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN110725547B (en) * | 2019-10-17 | 2023-08-11 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN112942102A (en) * | 2021-02-03 | 2021-06-11 | 柳州欧维姆机械股份有限公司 | Prestressed inhaul cable anchorage device with elastic sealing cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high stress steel strand whole bundle extrusion cable Effective date of registration: 20220412 Granted publication date: 20180803 Pledgee: Guangxi Guihui Financing Guarantee Co.,Ltd. Pledgor: LIUZHOU GUIQIAO CABLE Co.,Ltd. Registration number: Y2022450000041 |