CN209292897U - Fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device - Google Patents
Fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device Download PDFInfo
- Publication number
- CN209292897U CN209292897U CN201821973005.2U CN201821973005U CN209292897U CN 209292897 U CN209292897 U CN 209292897U CN 201821973005 U CN201821973005 U CN 201821973005U CN 209292897 U CN209292897 U CN 209292897U
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- CN
- China
- Prior art keywords
- anchorage
- tensioning
- twisted steel
- fining twisted
- spanner
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device, anchorage spanner includes wrench socket (11) and pinch bar (12)；Wrench socket (11) bottom is fixed with anchorage cutting ferrule (13), and circle latch (14) is equipped at the top of the wrench socket (11)；The pinch bar (12) includes round head (15) and handle portion (16), and round head (15) inner ring is equipped with card slot (17) of the circle for latch at the top of catch sleeve, the notch tightening of the card slot (17).The utility model has been filled up currently without a kind of blank dedicated for vertical prestressing fining twisted steel anchorage impact wrench, on the basis of not influencing stretching construction, construction efficiency is effectively improved by anchorage handle, while also secure to pre-stress construction quality.
Description
Technical field
The utility model relates to prestressed concrete fields, specially a kind of to be used for science of bridge building finish rolling screw thread presstressed reinforcing steel
The fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device that anchorage is tightened after tensioning.
Background technique
In science of bridge building, prestressed concrete continuous beam usually designs accurate screw-thread steel as vertical prestressing bar, in advance
Tension slot groove is arranged in stress rib top, and vertical prestressing adopts the anchorage that screws up with a wrench (hex nut) after being stretched to proof stress.By
In the influence of vertical fining twisted steel tension of prestressed tendon technique, anchorage is in tension slot groove, tightens relatively difficult, use at present
The oblique tension slot groove of going deep into of fork spanner (open-end wrench) tightens anchorage, constructs more difficult, and quality is difficult to ensure.
There is presently no the equipment of a effective simplicity can easily be used for vertical fining twisted steel presstressed reinforcing steel anchorage
It tightens.
Summary of the invention
Anchorage is tightened difficult, quality and is difficult to ensure when in view of current vertical prestressing fining twisted steel tension of prestressed tendon
Status, the utility model aim one are to provide a kind of accurate screw-thread steel anchorage spanner, and anchorage anchoring construction when facilitating tensioning improves
Work efficiency guarantees pre-stress construction quality；The utility model aim two is to provide a kind of concrete continuous beam pre-stress stretching device.
The utility model aim is first is that adopt the following technical scheme that realization:
A kind of fining twisted steel anchorage spanner, including wrench socket and pinch bar；The wrench socket bottom fixation is set
There is anchorage cutting ferrule, a circle latch is equipped at the top of the wrench socket；The pinch bar includes round head and handle portion, the circle
Head inner ring is equipped with card slot of the circle for latch at the top of catch sleeve, the notch tightening of the card slot.
The utility model aim is second is that adopt the following technical scheme that realization:
A kind of concrete continuous beam pre-stress stretching device, including the prestressing force conduit peschel that is embedded in concrete beam body in advance and
Prestressing force fining twisted steel, the prestressing force are pierced by prestressing force conduit peschel with fining twisted steel；Outside the prestressing force conduit peschel
Anchor rear screw muscle is banded between beam body tension slot groove 20-30cm；Prestressing force finish rolling screw thread in beam body tension slot groove
It is set with backing plate on steel and has screwed anchorage.
It further include anchorage spanner, tensioning split heads and prestressed stretch-draw jack.
The anchorage spanner includes wrench socket and pinch bar；The wrench socket bottom is fixed with anchorage cutting ferrule,
A circle latch is equipped at the top of the wrench socket；The pinch bar includes round head and handle portion, and the round head inner ring is set
There are card slot of the circle for latch at the top of catch sleeve, the notch tightening of the card slot.
The prestressing force connects sleeve connection tensioning spreading fining twisted steel by tensioning with fining twisted steel top.
The anchorage cutting ferrule of the wrench socket bottom of the anchorage spanner is sheathed on outside anchorage, i.e. tensioning spreading finish rolling screw thread
Steel passes through the round head of wrench socket and pinch bar.
Tensioning split heads is placed outside the beam body tension slot groove of the concrete beam body, installation tensioning is very heavy on the tensioning split heads
Top, tensioning spreading fining twisted steel are connect after passing through tensioning split heads with stretch-draw jack.
When implementation, installation screw-thread steel tensioning connects sleeve before vertical prestressing fining twisted steel prepares tensioning, then by anchorage
The accurate screw-thread steel of spanner sleeve portion housing and anchorage make anchorage be caught in anchorage cutting ferrule pipe, then connect sleeve connection by tensioning
Spreading fining twisted steel installs tensioning split heads, installs tensioning with jack and carries out tensioning, be stretched to design proof stress, uses
The card slot of the round head of anchorage pinch bar and the latch of cannula tip cooperate, and the band wrench casing rotation of rotational handle portion is tightened
Anchorage.
The utility model is ingenious in design rationally, easy to operate, can be widely applied to apply in sciences of bridge building such as highway, railways
Work has good practical application and promotional value.
Detailed description of the invention
Fig. 1 shows fining twisted steel prestressed stretch-draw structural schematic diagrams.
Fig. 2 indicates anchorage spanner structure schematic diagram.
Fig. 3 indicates pinch bar front view.
Fig. 4 a indicates status diagram before the accurate screw-thread steel tensioning of prestressing force.
Fig. 4 b indicates that installation tensioning connection sleeve and anchorage spanner casing prepare status diagram.
Fig. 4 c indicates working state schematic representation when tensioning.
In figure: 1- beam body tension slot groove, 2- anchorage (nut), 3- backing plate, 4- prestressing force fining twisted steel, 5- anchor rear screw
Muscle, 6- tensioning connect sleeve, 7- tensioning split heads, 8- stretch-draw jack, 9- tensioning spreading fining twisted steel, 10- prestressing force iron
Leather hose, 11- wrench socket, 12- pinch bar, 13- anchorage cutting ferrule, 14- latch, 15- round head, 16- handle portion, 17- card slot,
18- concrete beam body.
Specific embodiment
Specific embodiment of the utility model is described in detail with reference to the accompanying drawing.
A kind of fining twisted steel anchorage spanner, as shown in Figure 2,3, including wrench socket 11 and pinch bar 12；Spanner set
11 bottoms of cylinder are fixed with anchorage cutting ferrule 13, and a circle latch 14 is equipped at the top of wrench socket 11；Pinch bar 12 includes round head
15 and handle portion 16,15 inner ring of round head is equipped with card slot 17 of the circle for latch at the top of catch sleeve, and the notch of card slot 17 is received
Tightly.
When it is implemented, the spanner is mainly made of spanner casing, pinch bar, middle sleeve is hollow, and lower part is according to essence
Roll the processing of screw-thread steel anchorage size (32 anchorage the widest part 67mm of Φ is processed to guarantee centainly to be inserted in reserved hole by 75mm).Set
Cylinder by Φ 90*5mm seamless steel pipe and 3cm thick steel plate custom cut welding be composed, spanner by 1cm thick steel plate shape cutting and
At.
Using the accurate screw-thread steel of casing hollow sleeve and anchorage, handle drives casing rotation, casing part when stretch-draw anchor
Anchorage cutting ferrule drive anchorage rotation anchored.
A kind of concrete continuous beam pre-stress stretching device, as shown in Figure 1, pre- in concrete beam body 18 including being embedded in advance
Stress conduit peschel 10 and prestressing force fining twisted steel 4, prestressing force fining twisted steel 4 are pierced by prestressing force conduit peschel 10；It answers in advance
It is banded with anchor rear screw muscle 5 between the outer 20-30cm apart from beam body tension slot groove 1 of power conduit peschel 10, due to carrying out anchoring prestress
When screw-thread steel, the concrete stress of tensioning trench bottom, to prevent the concrete cracking at tension slot groove, spy is in prestressing force conduit peschel
To increase arrangement of reinforcement (anchor rear screw muscle)；Prestressing force suit backing plate 3 on fining twisted steel 4 and rotation in beam body tension slot groove 1
It is screwed with anchorage 2.
It further include anchorage spanner, tensioning split heads 7 and prestressed stretch-draw jack 8.
Anchorage spanner includes wrench socket 11 and pinch bar 12；11 bottom of wrench socket is fixed with anchorage cutting ferrule 13,
A circle latch 14 is equipped at the top of wrench socket 11；Pinch bar 12 includes round head 15 and handle portion 16, and 15 inner ring of round head is set
There are card slot 17 of the circle for latch at the top of catch sleeve, the notch tightening of card slot 17.
Prestressing force connects sleeve 6 by tensioning with 4 top of fining twisted steel and connects tensioning spreading fining twisted steel 9.
The anchorage cutting ferrule 13 of 11 bottom of wrench socket of anchorage spanner is sheathed on outside anchorage 2, i.e. tensioning spreading finish rolling spiral shell
Line steel 9 passes through the round head 15 of wrench socket 11 and pinch bar 12.
Tensioning split heads 7 is placed outside the beam body tension slot groove 1 of concrete beam body 18, and stretch-draw jack 8 is installed on tensioning split heads 7,
Tensioning spreading fining twisted steel 9 is connect after passing through tensioning split heads 7 with stretch-draw jack 8.
When it is implemented, state is as shown in fig. 4 a before the accurate screw-thread steel tensioning of prestressing force.Vertical prestressing fining twisted steel 4
Installation screw-thread steel tensioning connects sleeve 6 before preparing tensioning, then by the accurate screw-thread steel of anchorage spanner sleeve portion housing and anchorage, makes
Anchorage is caught in anchorage cutting ferrule, as shown in Figure 4 b.Sleeve connection tensioning spreading fining twisted steel, installation are connected by tensioning again
Tensioning split heads installs tensioning with jack and carries out tensioning, design proof stress is stretched to, using the round head of anchorage pinch bar
Card slot and cannula tip latch cooperate, rotational handle portion band wrench casing rotate and tighten anchorage (as illustrated in fig. 4 c).
The utility model has been filled up currently without one kind dedicated for vertical prestressing fining twisted steel anchorage impact wrench
Blank construction efficiency effectively improved by anchorage handle, while to prestressing force on the basis of not influencing stretching construction
Construction quality is also secure.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (2)
1. a kind of fining twisted steel anchorage spanner, it is characterised in that: including wrench socket (11) and pinch bar (12)；It is described to pull
Gloves cylinder (11) bottom is fixed with anchorage cutting ferrule (13), and circle latch (14) is equipped at the top of the wrench socket (11)；It is described
Pinch bar (12) includes round head (15) and handle portion (16), and round head (15) inner ring is equipped with a circle and is used for catch sleeve
The card slot (17) of top latch.
2. a kind of concrete continuous beam pre-stress stretching device, including the prestressing force conduit peschel being embedded in concrete beam body (18) in advance
(10) and prestressing force is with fining twisted steel (4), and the prestressing force is pierced by prestressing force conduit peschel (10) with fining twisted steel (4)；Its
Be characterized in that: the prestressing force conduit peschel (10) is banded with anchor rear screw muscle between beam body tension slot groove (1) 20-30cm outside
(5)；It is set with backing plate (3) on the prestressing force fining twisted steel (4) in beam body tension slot groove (1) and has screwed anchorage (2)；
It further include anchorage spanner, tensioning split heads (7) and prestressed stretch-draw jack (8)；
The anchorage spanner includes wrench socket (11) and pinch bar (12)；Wrench socket (11) bottom is fixed with anchor
Have cutting ferrule (13), circle latch (14) is equipped at the top of the wrench socket (11)；The pinch bar (12) includes round head
(15) and handle portion (16), round head (15) inner ring are equipped with card slot (17) of the circle for latch at the top of catch sleeve；
The prestressing force connects tensioning spreading fining twisted steel by tensioning connection sleeve (6) with fining twisted steel (4) top
(9)；
The anchorage cutting ferrule (13) of wrench socket (11) bottom of the anchorage spanner is sheathed on anchorage (2) outside, i.e. tensioning spreading
Fining twisted steel (9) passes through the round head (15) of wrench socket (11) and pinch bar (12)；
The beam body tension slot groove (1) of the concrete beam body (18) places tensioning split heads (7) outside, installs on the tensioning split heads (7)
Stretch-draw jack (8), the tensioning pass through tensioning split heads (7) with spreading fining twisted steel (9) and connect afterwards with stretch-draw jack (8)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973005.2U CN209292897U (en) | 2018-11-28 | 2018-11-28 | Fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973005.2U CN209292897U (en) | 2018-11-28 | 2018-11-28 | Fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292897U true CN209292897U (en) | 2019-08-23 |
Family
ID=67656258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821973005.2U Expired - Fee Related CN209292897U (en) | 2018-11-28 | 2018-11-28 | Fining twisted steel anchorage spanner and concrete continuous beam pre-stress stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209292897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700596A (en) * | 2019-10-31 | 2020-01-17 | 广西路建工程集团有限公司 | Finish-rolled deformed steel bar tensioning anchor device and construction method thereof |
-
2018
- 2018-11-28 CN CN201821973005.2U patent/CN209292897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700596A (en) * | 2019-10-31 | 2020-01-17 | 广西路建工程集团有限公司 | Finish-rolled deformed steel bar tensioning anchor device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20211128 |