CN205934733U - Whole bundle of tensioning device subassembly that clear hole was used is changed to jib - Google Patents
Whole bundle of tensioning device subassembly that clear hole was used is changed to jib Download PDFInfo
- Publication number
- CN205934733U CN205934733U CN201620866146.9U CN201620866146U CN205934733U CN 205934733 U CN205934733 U CN 205934733U CN 201620866146 U CN201620866146 U CN 201620866146U CN 205934733 U CN205934733 U CN 205934733U
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- China
- Prior art keywords
- jack
- connector
- spike
- draw
- instrument nut
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a whole bundle of tensioning device subassembly that clear hole was used is changed to jib, includes connector, instrument nut I, the screw rod that excels in, spike, stressing jack and instrument nut II, connector both ends head has a round hole respectively, and stressing jack is center hole jack, under the user state, round hole cover in connector upper end is through welding mode fixed connection with it on waiting to draw the anchor slab of steel wire anchor head, and connector lower extreme round hole entangles the screw rod one end of excelling in to be passed through instrument nut I and adopt screw thread connection fixed connection with it, and the spike is installed in underbridge crossbeam bottom surface as stressing jack's counter -force support frame, and stressing jack installs under the spike in the upper end, the screw rod that excels in is locked through backing plate and instrument nut II to the stressing jack lower extreme. When being used for demolising steel wire and the clear hole of the old jib of arched bridge with the the device subassembly, earlier with concrete core drill machine in bridge floor top -down drilling old jib anchor head section extremely, again with the the device unit mount under the bridge floor, its construction operation time is shorter relatively, and is with low costs, safe and reliable.
Description
Technical field
The utility model is related to a kind of bridge construction device, particularly a kind of withdrawing for changing the old suspension rod of arched bridge pre-stressed boom
Steel wire and hole cleaning device.
Background technology
Due to past most of suspension rod anticorrosion process using perfusion high-strength cement slurry outsourcing anti-corrosion so that suspender replacement engineering
In old suspension rod demolishing process need to carry out cable guide pipe borehole cleaning process.At present, borehole cleaning processes and mainly takes the method for cutting, bore extracting core process.
Cut method, using pneumatic pick or air drill, high-strength cement slurry in cable guide pipe is cut, remove old suspension rod steel wire and reach borehole cleaning purpose, it lacks
Putting is：Manual work intensity is big, and airborne dust is big, and pneumatic pick or air drill are easily stuck in steel wire with cable guide pipe gap it is impossible to extract, thus affecting
Job scheduling；Bore extracting core process, using core drill to high-strength cement slurry in cable guide pipe and steel wire or steel strand wires boring and coring, reaches
Borehole cleaning purpose；Shortcoming is：Core drill is easily stuck in steel wire with cable guide pipe gap it is impossible to extract, and affects job scheduling；Core drill simultaneously
Head needs grinding, causes the rig proportion of goods damageds big, work efficiency is relatively low, high cost.
Patent publication No. is the application for a patent for invention of CN104746442A, discloses one kind and is used for changing that arched bridge pre-stressed boom is old to be hung
The withdrawing steel wire of bar and hole cleaning device assembly and its method removed for old suspension rod, although this application for a patent for invention has manually
Operation intensity is little, safe and reliable, the advantage being easy to standardized construction, but the withdrawing steel wire of this application for a patent for invention and hole cleaning device
Assembly is single withdrawing device, and the method for employing is by root withdrawing steel wire, finally carries out borehole cleaning, manual work intensity is relatively
Height, the construction operation time is relatively long, and construction cost is of a relatively high.
Content of the invention
The purpose of this utility model is：A kind of whole bundle draw-off gear assembly of suspender replacement borehole cleaning is provided, this is filled
Put and remove and borehole cleaning for the old suspension rod of arch bridge, its mechanization degree is higher than the application for a patent for invention of CN104746442A, construction
Activity duration is relatively short, and construction cost is lower, both economical, safe and reliable, is easy to standardized construction again.
The technical scheme solving the above problems is：A kind of whole bundle draw-off gear assembly of suspender replacement borehole cleaning, its feature
It is：This device assembly includes connector, instrument nut I, high-strength bolt, spike, stretch-draw jack and instrument nut II；
Described connector two ends have a circular hole respectively, and described stretch-draw jack is centre-hole jack；
Under use state：Connector upper end circular hole is enclosed within the anchor slab treating drawn steel wire anchor head and passes through welding manner therewith admittedly
Fixed connection, connector lower end circular hole entangles high-strength bolt one end and adopts thread connecting mode company fixed thereto by instrument nut I
Connect, spike is arranged on bridge sill bottom surface as the counter-force bracing frame of stretch-draw jack, and stretch-draw jack upper end is arranged on support
Backing plate is passed through in underfooting, stretch-draw jack lower end and instrument nut II locks high-strength bolt.
Due to taking said structure, the whole bundle draw-off gear assembly of the suspender replacement borehole cleaning of the utility model has following
Beneficial effect：
1. process with existing borehole cleaning compared with mainly taking the method for cutting, bore extracting core process, manual work intensity is little, safely may be used
Lean on, be easy to standardized construction.
2. the application for a patent for invention with Publication No. CN104746442A《For changing the withdrawing steel of the old suspension rod of arched bridge pre-stressed boom
Silk and hole cleaning device assembly and its method removed for old suspension rod》Single withdrawing steel wire device compare, the utility model fill
Put assembly to hole from top to bottom to old Hanger Anchor head section in bridge floor first with concrete core drilling rig, recycle hydraulic tensioning very heavy
Top tensioning high-strength bolt, the steel wire of the old suspension rod of whole bundle drawing arch bridge or stranded wire anchor head, mechanization degree is higher, during construction operation
Between relatively short, construction cost is lower, not only economical but also safe and reliable.
3. the whole bundle draw-off gear assembly of the suspender replacement borehole cleaning of the utility model is used for removing the old suspension rod of arch bridge
Steel wire and borehole cleaning method are to be arranged under bridge floor, provide driving force with hydraulic tensioning jack whole bundle draw-off gear assembly, with
High-strength bolt is jack tension part；High-strength bolt and the old suspension rod of arch bridge are treated to connect by connector is fixing between withdrawing steel wire anchor head
Connect；Therefore, on bridge deck traffic impact less, practicality and the security of construction are more increased.
With reference to the accompanying drawings and examples to the whole bundle draw-off gear assembly of the suspender replacement borehole cleaning of the utility model
Technical characteristic is described further.
Brief description
Fig. 1：The structural representation of the whole bundle draw-off gear assembly of the suspender replacement borehole cleaning of the utility model（Front view）；
Fig. 2：The stereoscopic-state figure of Fig. 1；
Fig. 3：The whole bundle draw-off gear assembly of the suspender replacement borehole cleaning of the utility model is used for the installation of old suspension rod dismounting
Use state reference view（Front view）；
Fig. 4：The stereoscopic-state figure of Fig. 3.
In figure：
The suspension rod steel wire of 1- bar to be changed, 2- cable guide pipe, the suspension rod anchor head of 3- bar to be changed, 4- spike, 5- connector,
6- instrument nut I, 7- stretch-draw jack, 8- backing plate, 9- instrument nut II, 10- high-strength bolt,
11- concrete core drilling rig, 12- bridge sill.
Specific embodiment
A kind of whole bundle draw-off gear assembly of suspender replacement borehole cleaning, as shown in Figure 1 and Figure 2, this device assembly includes connecting
Device 5, instrument nut I 6, high-strength bolt 10, spike 4, stretch-draw jack 7 and instrument nut II 9；
Described connector 5 two ends have a circular hole respectively, and described stretch-draw jack 7 is centre-hole jack；
Under use state：Connector 5 upper end circular hole is enclosed within and passes through welding manner therewith on the anchor slab treating drawn steel wire anchor head
It is fixedly connected, connector 5 lower end circular hole entangles high-strength bolt 10 one end and adopts thread connecting mode therewith by instrument nut I 6
It is fixedly connected, spike 4 is arranged on bridge sill bottom surface as the counter-force bracing frame of stretch-draw jack 7, and stretch-draw jack 7 upper end is pacified
It is contained under spike 4, backing plate 8 is passed through in stretch-draw jack 7 lower end and instrument nut II 9 locks high-strength bolt 10（Referring to Fig. 3, Fig. 4）.
The whole bundle draw-off gear components of the utility model suspender replacement borehole cleaning are used for removing the old suspension rod of arch bridge
Steel wire and borehole cleaning method are：Hole from top to bottom to old Hanger Anchor head section in bridge floor first with concrete core drilling rig, then will be whole
Bundle draw-off gear assembly is arranged under bridge floor, provides driving force with hydraulic tensioning jack, with high-strength bolt as jack tension
Part, the steel wire of the old suspension rod of whole bundle drawing arch bridge or stranded wire anchor head.
Claims (1)
1. a kind of suspender replacement borehole cleaning whole bundle draw-off gear assembly it is characterised in that：This device assembly includes connector
（5）, instrument nut I（6）, high-strength bolt（10）, spike（4）, stretch-draw jack（7）With instrument nut II（9）；
Described connector（5）Two ends have a circular hole respectively, described stretch-draw jack（7）For centre-hole jack；
Under use state：Connector（5）Upper end circular hole is enclosed within the anchor slab treating drawn steel wire anchor head and passes through welding manner therewith admittedly
Fixed connection, connector（5）Lower end circular hole entangles high-strength bolt（10）Instrument nut I is passed through in one end（6）Using thread connecting mode
Connection fixed thereto, spike（4）As stretch-draw jack（7）Counter-force bracing frame be arranged on bridge（12）Sill bottom surface,
Draw jack（7）Upper end is arranged on spike（4）Under, stretch-draw jack（7）Backing plate is passed through in lower end（8）With instrument nut II（9）Lock
Tight high-strength bolt（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866146.9U CN205934733U (en) | 2016-08-11 | 2016-08-11 | Whole bundle of tensioning device subassembly that clear hole was used is changed to jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866146.9U CN205934733U (en) | 2016-08-11 | 2016-08-11 | Whole bundle of tensioning device subassembly that clear hole was used is changed to jib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205934733U true CN205934733U (en) | 2017-02-08 |
Family
ID=57919675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866146.9U Withdrawn - After Issue CN205934733U (en) | 2016-08-11 | 2016-08-11 | Whole bundle of tensioning device subassembly that clear hole was used is changed to jib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205934733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087767A (en) * | 2016-08-11 | 2016-11-09 | 柳州欧维姆工程有限公司 | The whole bundle draw-off gear assembly in the clear hole of suspender replacement and remove steel wire and the clear hole method of the old suspension rod of arch bridge |
-
2016
- 2016-08-11 CN CN201620866146.9U patent/CN205934733U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087767A (en) * | 2016-08-11 | 2016-11-09 | 柳州欧维姆工程有限公司 | The whole bundle draw-off gear assembly in the clear hole of suspender replacement and remove steel wire and the clear hole method of the old suspension rod of arch bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20171031 |