CN207862749U - A kind of novel combination type sunpender - Google Patents
A kind of novel combination type sunpender Download PDFInfo
- Publication number
- CN207862749U CN207862749U CN201721462280.3U CN201721462280U CN207862749U CN 207862749 U CN207862749 U CN 207862749U CN 201721462280 U CN201721462280 U CN 201721462280U CN 207862749 U CN207862749 U CN 207862749U
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- Prior art keywords
- pull rod
- stretching
- reinforcing pull
- combination type
- novel combination
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Abstract
The utility model discloses a kind of novel combination type sunpenders, including fixing end reinforcing pull rod, flexible cable, stretching end reinforcing pull rod, after the fixing end reinforcing pull rod passes through superstructure, it is connected with No. I fixing end anchorage of flexible cable by fixing end branch sleeve, rod end pressure-bearing nut, after the stretching end reinforcing pull rod passes through substructure, it is connected with No. II stretching end anchorage of flexible cable by stretching end branch sleeve, rod end pressure-bearing nut.The utility model improves the durability of sunpender；Using intermediate stretching mode, avoid the influence of superstructure top surface and substructure bottom surface erection construction platform to ambient enviroments such as traffic, reduce construction risk, it is provided conveniently for the maintenance of sunpender, replacement especially for existing structure sunpender provides a kind of better solution, there is good application prospect in Practical Project.
Description
Technical field
The utility model belongs to prestressing force rigging field, and in particular to a kind of novel combination type sunpender.
Background technology
With the raising of national economy level, national basis Facilities Construction is grown rapidly, building, bridge structure all gradually to
Longspan structure develops, and prestressing technique is used widely.Since the nineties in last century, arched bridge pre-stressed boom has been obtained in China
Incremental advances, but the safety problem for also exposing many problems, especially arch bridge suspender in use seems especially prominent.It hangs
Bar is the main force transferring structure of lower bearing arch bridge, and parallel wire stay, stretching end is generally used to be located under vault or beam.Due to drawing
For the PE sheaths of rope there are problem of aging, this sunpender has certain service life, in Bridge Design a century validity period, need to sunpender into
Row is repeatedly replaced.Conventional stretching mode, installation and replacement are all relatively difficult, replace construction period to the traffic on bridge and under bridge all
It can adversely affect.
Invention content
The utility model proposes in order to solve the problems existing in the prior art, and the purpose is to provide a kind of novel combination type to hang
Bar.
The technical solution of the utility model is：A kind of novel combination type sunpender, including fixing end reinforcing pull rod, flexible cable,
Stretching end reinforcing pull rod, the fixing end reinforcing pull rod pass through superstructure after, by fixing end branch sleeve, rod end pressure-bearing nut with
No. I fixing end anchorage of flexible cable is connected, and after the stretching end reinforcing pull rod passes through substructure, passes through stretching end connector sleeve
Cylinder, rod end pressure-bearing nut are connected with No. II stretching end anchorage of flexible cable.
It is equipped with screw thread at the stretching end branch sleeve outer wall and is provided with locking locking nut.
It is provided with tensioning nut on the stretching end reinforcing pull rod.
It is provided with tensioning equipment between No. II stretching end anchorage, the tensioning nut.
The tensioning equipment includes being fixed on No. I clamping plate of No. II stretching end anchorage upper end and being fixed on tensioning nut lower end
No. II clamping plate, be provided with preload finish rolling deformed bar, the finish rolling deformed bar between No. I clamping plate, No. II clamping plate
Positioned at No. II stretching end anchorage both sides.
The finish rolling deformed bar lower end passes through No. II clamping plate and is fixed by Bar Anchorage nut.
No. I clamping plate upper end is provided with jack, and the jack is connected with finish rolling deformed bar.
The fixing end reinforcing pull rod, stretching end reinforcing pull rod are made of high strength alloy steel, anchored end it is forged it is upset at
Type.
The flexible cable is made of high-strength galvanized steel wire, outsourcing HDPE sheaths, and both ends use special chill casting pier nose
Anchorage.
The fixing end reinforcing pull rod, stretching end reinforcing pull rod anchored end as needed and sleeve connection end can be inverted.
The problem of the utility model, the durability for solving arch bridge suspender is poor, tensioning and replacement constructional difficulties, has as follows
Advantage：
First, boom sections use high-strength alloy reinforcing pull rod in arch rib and beam body, anchored end under vault anchored end and beam
Forged upset molding, bulk heat treatmet reach mechanical property requirements, and durability is good, it is possible to reduce arch bridge design service life one
Replacement number in a century, or from replacing.
Second, middle flexible drag-line part is made of high-strength galvanized steel wire, outsourcing HDPE sheaths, and both ends are using special
Chill casting pier nose anchorage is full waterproof construction, can check and replace.
Third, flexible cable lower end use special stretching end anchorage, by tensioning branch sleeve and rod end pressure-bearing nut with
Reinforcing pull rod connects, and stretching end connecting structure is located at floorings top certain altitude, by between stretching end anchorage and tensioning nut
Apply pressure on top surface, tensioning is carried out to sunpender and sunpender power adjusts, facilitates construction.
The utility model improves the durability of sunpender；Using intermediate stretching mode, superstructure top surface is avoided under
Influence of portion's structure floor erection construction platform to ambient enviroments such as traffic reduces construction risk, is carried for the maintenance of sunpender
For convenient, the replacement especially for existing structure sunpender provides a kind of better solution, has in Practical Project good
Application prospect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the scheme of installation of the utility model；
Wherein：
1 fixing end reinforcing pull rod, 2 flexible cable
The 3 fixing end anchorages of stretching end reinforcing pull rod 4 I
5 No. II 6 fixing end branch sleeves of stretching end anchorage
7 rod end pressure-bearing nut, 8 stretching end branch sleeve
9 locking nut, 10 tensioning nut
11 clamping plates of jack 12 I
13 finish rolling deformed bar, 14 backing plate
15 clamping plates of Bar Anchorage nut 16 II.
Specific implementation mode
Hereinafter, the utility model is described in detail with reference to drawings and examples：
As shown in Figure 1, 2, a kind of novel combination type sunpender, including fixing end reinforcing pull rod 1, flexible cable 2, stretching end steel are drawn
Bar 3, the fixing end reinforcing pull rod 1 pass through arch rib from vault, are drawn with flexible by fixing end branch sleeve 6, rod end pressure-bearing nut 7
No. I fixing end anchorage 4 of rope 2 is connected, and the stretching end reinforcing pull rod 3 passes through beam body from beam bottom, by stretching end branch sleeve 8,
Rod end pressure-bearing nut 7 is connected with No. II stretching end anchorage 5 of flexible cable 2.
It is provided with locking locking nut 9 at 8 outer wall of stretching end branch sleeve.
It is provided with tensioning nut 10 on the stretching end reinforcing pull rod 3.
It is provided with tensioning equipment between No. II stretching end anchorage 5, tensioning nut 10.
The tensioning equipment includes being fixed on No. I clamping plate 12 of No. II 5 upper end of stretching end anchorage and being fixed on tensioning nut
No. II clamping plate 16 of 10 lower ends is provided with preload finish rolling deformed bar 13 between 12, No. II clamping plates 16 of No. I clamping plate.
The finish rolling deformed bar 13 is located at No. II 5 both sides of stretching end anchorage.
13 lower end of the finish rolling deformed bar passes through No. II clamping plate 16 and is fixed by Bar Anchorage nut 15.
12 upper end of No. I clamping plate is provided with jack 11, and the jack 11 is connected with finish rolling deformed bar 13.
The fixing end reinforcing pull rod 1, stretching end reinforcing pull rod 3 are made of high strength alloy steel, and anchored end is forged upset
Molding.
The flexible cable 2 is made of high-strength galvanized steel wire, outsourcing HDPE sheaths, and both ends use special chill casting pier nose
Anchorage.
The fixing end reinforcing pull rod 1, stretching end reinforcing pull rod 3 anchored end reach mechanical property requirements through bulk heat treatmet.
The flexible cable 2 is full waterproof construction.
The axial position of the tensioning nut 10 can adjust 12, No. II 16 spacing of clamping plate of No. I clamping plate.
The utility model can be, but not limited in arch bridge.
The utility model installation process is as follows：
By stretch-draw jack 11, steeve tension is adjusted, after reaching predetermined value, precession tensioning branch sleeve 8 is anchored,
Then tighten locking nut 9.Tensioning equipment is removed, after carrying out sunpender damping, the construction of waterproof accessory structure, that is, completes the peace of sunpender
Dress.
The utility model demolishing process is as follows：
After removing sunpender damping, waterproof accessory structure, combination suspender tension device is installed in bridge floor.It is very heavy by tensioning
Top after reaching predetermined value, screws out tensioning branch sleeve 8, and jack 11 is gradually loosened in cooperation, until after sunpender power is released to zero,
Tensioning equipment is removed, fixing end branch sleeve 6 is screwed out, flexible cable 2 is removed, is changed to new cable body.
It is provided with backing plate 14 between No. II clamping plate 16, Bar Anchorage nut 15.
The utility model improves the durability of sunpender；Using intermediate stretching mode, superstructure top surface is avoided under
Influence of portion's structure floor erection construction platform to ambient enviroments such as traffic reduces construction risk, is carried for the maintenance of sunpender
For convenient, the replacement especially for existing structure sunpender provides a kind of better solution, has in Practical Project good
Application prospect.
Claims (10)
1. a kind of novel combination type sunpender, including fixing end reinforcing pull rod（1）, flexible cable（2）, stretching end reinforcing pull rod（3）, special
Sign is：The fixing end reinforcing pull rod（1）After superstructure, pass through fixing end branch sleeve（6）, rod end pressure-bearing nut
（7）With flexible cable（2）No. I fixing end anchorage（4）It is connected, the stretching end reinforcing pull rod（3）After substructure, pass through
Stretching end branch sleeve（8）, rod end pressure-bearing nut（7）With flexible cable（2）No. II stretching end anchorage（5）It is connected.
2. a kind of novel combination type sunpender according to claim 1, it is characterised in that：The stretching end branch sleeve（8）
It is equipped with screw thread at outer wall and is provided with locking locking nut（9）.
3. a kind of novel combination type sunpender according to claim 2, it is characterised in that：The stretching end reinforcing pull rod（3）On
It is provided with tensioning nut（10）.
4. a kind of novel combination type sunpender according to claim 3, it is characterised in that：No. II stretching end anchorage（5）、
Tensioning nut（10）Between be provided with tensioning equipment.
5. a kind of novel combination type sunpender according to claim 4, it is characterised in that：The tensioning equipment includes being fixed on
No. II stretching end anchorage（5）No. I clamping plate of upper end（12）Be fixed on tensioning nut（10）No. II clamping plate of lower end（16）, described
No. I clamping plate（12）, No. II clamping plate（16）Between be provided with preload finish rolling deformed bar（13）, the finish rolling deformed bar（13）
Positioned at No. II stretching end anchorage（5）Both sides.
6. a kind of novel combination type sunpender according to claim 5, it is characterised in that：The finish rolling deformed bar（13）Under
End is across No. II clamping plate（16）And pass through Bar Anchorage nut（15）It is fixed.
7. a kind of novel combination type sunpender according to claim 5, it is characterised in that：No. I clamping plate（12）Upper end is set
It is equipped with jack（11）, the jack（11）With finish rolling deformed bar（13）It is connected.
8. a kind of novel combination type sunpender according to claim 1, it is characterised in that：The fixing end reinforcing pull rod（1）,
Pull end reinforcing pull rod（3）It is made of high strength alloy steel, the forged upset molding of anchored end.
9. a kind of novel combination type sunpender according to claim 1, it is characterised in that：The flexible cable（2）Using height
Intensity zinc-coated wire is made, outsourcing HDPE sheaths, and both ends use special chill casting pier nose anchorage.
10. a kind of novel combination type sunpender according to claim 1, it is characterised in that：The fixing end reinforcing pull rod（1）、
Stretching end reinforcing pull rod（3）Anchored end as needed and sleeve connection end can be inverted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462280.3U CN207862749U (en) | 2017-11-06 | 2017-11-06 | A kind of novel combination type sunpender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462280.3U CN207862749U (en) | 2017-11-06 | 2017-11-06 | A kind of novel combination type sunpender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862749U true CN207862749U (en) | 2018-09-14 |
Family
ID=63475601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721462280.3U Active CN207862749U (en) | 2017-11-06 | 2017-11-06 | A kind of novel combination type sunpender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207862749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820518A (en) * | 2019-11-16 | 2020-02-21 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN111472251A (en) * | 2020-04-21 | 2020-07-31 | 合肥皖兴建设工程有限公司 | Large-span steel structure connecting node adds solid connection structure |
| CN111996930A (en) * | 2020-09-15 | 2020-11-27 | 兰州交通大学工程检测有限公司 | Novel replacement structure and replacement method for reinforced concrete through arch bridge suspender |
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2017
- 2017-11-06 CN CN201721462280.3U patent/CN207862749U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820518A (en) * | 2019-11-16 | 2020-02-21 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN110820518B (en) * | 2019-11-16 | 2021-03-02 | 中交路桥建设有限公司 | Machining and hoisting method for steel arch bridge suspender |
| CN111472251A (en) * | 2020-04-21 | 2020-07-31 | 合肥皖兴建设工程有限公司 | Large-span steel structure connecting node adds solid connection structure |
| CN111996930A (en) * | 2020-09-15 | 2020-11-27 | 兰州交通大学工程检测有限公司 | Novel replacement structure and replacement method for reinforced concrete through arch bridge suspender |
| CN111996930B (en) * | 2020-09-15 | 2022-04-19 | 兰州交通大学工程检测有限公司 | Replacing structure and replacing method for reinforced concrete through arch bridge suspender |
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