CN207597242U - A kind of ring orientation prestress bridge pier structure - Google Patents
A kind of ring orientation prestress bridge pier structure Download PDFInfo
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- CN207597242U CN207597242U CN201721660847.8U CN201721660847U CN207597242U CN 207597242 U CN207597242 U CN 207597242U CN 201721660847 U CN201721660847 U CN 201721660847U CN 207597242 U CN207597242 U CN 207597242U
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- Prior art keywords
- anchor head
- fixed link
- hole
- steel hinge
- annular groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The utility model discloses a kind of ring orientation prestress bridge pier structures, and including pier stud, the pier stud lateral wall is provided with several annular grooves, and the steel being bonded with annular groove bottom wall is provided in the mounting groove and cuts with scissors band；The steel hinge is separately provided for the anchor head and fixed block of tensioning steel hinge band with both ends；The fixed block is radially provided with through-hole along pier stud, and the mounting hole communicated with through-hole is provided on the anchor head；Sliding setting fixed link in the through-hole, when the anchor head and fixed block are bonded, the fixed link is inserted into mounting hole, its key points of the technical solution are that steel hinge band is tensioned in annular groove using anchor head and fixed block, and after using fixed link, anchor head is mutually fixed with fixed block, steel hinge can be made to apply pressure with the state for keeping tensioning to pier stud in advance, have the advantages that convenient for construction.
Description
Technical field
The utility model is related to a kind of bridge pier structure, more specifically, it relates to a kind of ring orientation prestress bridge pier structure.
Background technology
Prestressing force is in order to improve structure military service performance, in the compression that construction period is previously applied to structure, structure clothes
Tensile stress caused by pre-compression stress can completely or partially offset load during labour, avoids structure from destroying.It is usually used in concrete knot
Structure.Prestressed reinforced concrete construction is before structure bearing load, applies pressure to it in advance, makes it in outer load action
Concrete in tension zone internal force generate compression, to offset or reduce external load generation tensile stress, structure is made normally to make
It does not generate crack in the case of or splits than later.
Existing Authorization Notice No. is that the Chinese patent of CN205711744U discloses a kind of ring orientation prestress bridge pier structure,
Including tower hat, steel anchor box, upper king-post strut, middle king-post, steel box-girder, lower king-post strut；Tower hat is arranged on whole top；Lower king-post strut is arranged on
Whole bottom；Middle king-post setting is mounted on whole middle level, and tapered with tower hat, lower king-post strut and upper king-post strut；Upper king-post strut
It is arranged on the upside of middle king-post；Steel anchor box is arranged between tower hat and upper king-post strut；Steel box-girder is horizontally installed on middle king-post and lower tower
Between column, and insertion is supported on the inside of tower wall.
But the prestressing apparatus such as steel anchor box, steel box-girder of this ring orientation prestress bridge pier structure are arranged on the interior of king-post
Portion, construction is more inconvenient, and therefore, this problem has to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ring orientation prestress bridge pier knots
Structure has the advantage convenient for construction.
To achieve the above object, the utility model provides following technical solution：
A kind of ring orientation prestress bridge pier structure, including pier stud, it is characterised in that：The pier stud lateral wall is provided with several
Annular groove is provided with steel hinge band be bonded with annular groove bottom wall in the annular groove；The steel hinge band both ends are respectively arranged with use
In the anchor head and fixed block of tensioning steel hinge band；The fixed block along pier stud radially be provided with through-hole, be provided on the anchor head with
The mounting hole that through-hole communicates；Sliding setting fixed link in the through-hole, when the anchor head and fixed block are bonded, the fixed link
It is inserted into mounting hole.
By using above-mentioned technical proposal, during construction, after pier stud pours completion and final set, steel hinge band is placed on to the ring of pier stud
In shape slot.Then, steel is cut with scissors into band tensioning using anchor head and fixed block, makes steel hinge band that pressure be previously applied to pier stud.Treat through-hole and
When mounting hole communicates, fixed link is inserted into through-hole and mounting hole, fixed block is made mutually to be fixed with anchor head, so that steel hinge band is protected
The state of tensioning is held, there is the effect convenient for construction.
Further, the madial wall of the through-hole is provided with installation annular groove, described to install outside annular groove madial wall and fixed link
The elastic component for fixed link to be prevented to be detached from mounting hole is connected between side wall.
By using above-mentioned technical proposal, since the elastic force direction of elastic component is identical with fixed link axis direction, so solid
Fixed pole can keep stretching into the state in mounting hole.It when fixed link is not acted on by external force, will not be detached from, improve from mounting hole automatically
The stability of fixed link.
Further, the fixed link is provided with taper guide pad close to one end of pier stud.
By using above-mentioned technical proposal, taper guide pad has guiding role, convenient for fixed link is inserted into mounting hole.
Further, one end rotation of the fixed link far from pier stud is provided with draw ring.
By using above-mentioned technical proposal, draw ring is pulled, it may be convenient to pull out fixed link from mounting hole.
Further, it is arranged with elastic cushion cover on the draw ring.
By using above-mentioned technical proposal, the upper stiction of cushion set is larger, convenient for exerting a force to draw ring.The opposing party
Face, cushion tackling is flexible, and finger is enable to be come into full contact with elastic cushion cover, is increased comfortable when finger is contacted with draw ring
Degree.
Further, the cushion, which is put on, is provided with several protrusions.
By using above-mentioned technical proposal, protrusion increases the frictional force between elastic cushion cover and finger, more easily will
Fixed link is pulled out from mounting hole.
Further, the steel hinge band is made of more steel hinge lines.
By using above-mentioned technical proposal, steel hinge line has the advantages that intensity is high, elastic limit is high, stress relaxation is low etc., by
The intensity higher of the steel hinge band of more steel hinge line compositions, effect are more preferable.
Further, the annular groove madial wall is provided with the caulking groove coordinated with anchor head inlay card.
By using above-mentioned technical proposal, after anchor head is stuck in caulking groove, you can pull fixed block using tool, make solid
Determine block to be bonded with anchor head.Fixed block with after anchor head is bonded and through-hole is communicated with mounting hole, fixed link will be in the elastic force of elastic component
It is inserted into mounting hole under effect, has the function of to facilitate tensioning steel hinge band.
In conclusion the utility model has the advantages that：
1st, the design that steel hinge band is placed in annular groove is employed, after steel hinge band tensioning, pressure can be previously applied to pier stud,
With the effect that can offset or reduce the tensile stress that external load generates pier stud；
2nd, the design of anchor head and fixed block is employed, after anchor head is stuck in caulking groove, you can pull and fix using tool
Block makes fixed block be bonded with anchor head, and after through-hole is communicated with mounting hole, fixed link will be inserted under the effect of the elastic force of elastic component
Into mounting hole, there is the effect convenient for construction；
3rd, the design of more steel hinge line composition steel hinge bands is employed, intensity is high, elastic limit is high, should since steel hinge line has
The low advantage of power relaxation, so that the intensity higher of steel hinge band, it is more preferable to apply pier stud stressed effect.
Description of the drawings
Fig. 1 is the overall structure diagram of circumferential prestressed bridge pier structure in embodiment；
Fig. 2 is the sectional view of circumferential prestressed bridge pier structure in embodiment；
Fig. 3 is the enlarged drawing of part A in Fig. 2.
In figure：1st, pier stud；11st, annular groove；12nd, caulking groove；2nd, steel hinge band；3rd, anchor head；31st, mounting hole；4th, fixed block；
41st, through-hole；The 42nd, annular groove is installed；43rd, elastic component；5th, fixed link；51st, taper guide pad；52nd, draw ring；53rd, elastic cushion cover；54、
Protrusion.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Embodiment：
A kind of ring orientation prestress bridge pier structure, with reference to Fig. 1, including pier stud 1, the lateral wall of pier stud 1 offers several
Annular groove 11.Steel hinge band 2 is cased in annular groove 11, steel hinge band 2 is fitted closely with 11 bottom wall of annular groove.
With reference to Fig. 2,2 both ends of steel hinge band are fixedly installed anchor head 3 and fixed block 4 respectively, for steel hinge band 2 to be tensioned, with
Pressure is previously applied to pier stud 1, has the function of to offset or reduce the tensile stress that external load generates pier stud 1.Steel cuts with scissors band 2
It is made of more steel hinge lines so that steel cuts with scissors the intensity higher of band 2, and it is more preferable to apply stressed effect to pier stud 1.
With reference to Fig. 3, fixed block 4 offers through-hole 41 along 1 radial direction of pier stud, offers on anchor head 3 and consolidate with what through-hole 41 communicated
Determine hole 31.Sliding is provided with fixed link 5 in through-hole 41, when anchor head 3 and fixed block 4 are bonded and through-hole 41 is communicated with mounting hole 31,
Fixed link 5 is inserted into mounting hole 31, and steel hinge band 2 can be made to keep the state of tensioning.The madial wall of through-hole 41 offers
Annular groove 42 is installed, elastic component 43 is provided between installation 5 lateral wall of 42 madial wall of annular groove and fixed link.Elastic component in the present embodiment
43 be spring, and spring is fixedly connected close to one end of mounting hole 31 with 5 lateral wall of fixed link, the other end and 42 inside of installation annular groove
Wall is fixedly connected, for fixed link 5 to be prevented to be detached from mounting hole 31.During original state, fixed link 5 is stretched into mounting hole 31, spring
In non-stress.
With reference to Fig. 3,11 madial wall of annular groove offers caulking groove 12, and caulking groove 12 coordinates with 3 inlay card of anchor head.By anchor head 3
After being stuck in caulking groove 12, you can pull fixed block 4 using tool, be tensioned steel hinge band 2.Be bonded with anchor head 3 for be fixed piece 4 and
After through-hole 41 is communicated with mounting hole 31, fixed link 5 will be inserted under the effect of the elastic force of elastic component 43 in mounting hole 31, will be solid
Determine block 4 to fix with 3 phase of anchor head, have the function of to facilitate tensioning steel hinge band 2.
With reference to Fig. 3, fixed link 5 is fixedly installed taper guide pad 51 close to one end of pier stud 1, and taper guide pad 51 has
Guiding role so that fixed link 5 is easier to insert into mounting hole 31.One end rotation of the fixed link 5 far from pier stud 1 is provided with drawing
Ring 52 pulls draw ring 52, it may be convenient to pull out fixed link 5 from mounting hole 31.Elastic cushion cover 53 is arranged on draw ring 52,
Increase comfort level when finger is contacted with draw ring 52.Several protrusions 54 are provided on elastic cushion cover 53, increase cushion
Frictional force between set 53 and finger so that fixed link 5 is easier to be drawn out from mounting hole 31.
Operation principle is as follows：
After pier stud 1 pours completion and final set, steel hinge band 2 is placed in the installation annular groove 42 of pier stud 1.Anchor head 3 is stuck in card
After in caulking groove 12, fixed block 4 is pulled using tool, is tensioned steel hinge band 2, pressure is previously applied to pier stud 1.Then, pass through
Draw ring 52 pulls draw ring 52, and 51 one end of taper guide pad of fixed link 5 is made to be reduced in through-hole 41.It is bonded with anchor head 3 for be fixed piece 4
And after through-hole 41 is communicated with mounting hole 31, draw ring 52 is unclamped, fixed link 5 can be inserted into fixation under the elastic force effect of elastic component 43
In hole 31, fixed block 4 is made mutually to be fixed with anchor head 3, so that steel hinge band 2 keeps the state of tensioning, there is the effect convenient for construction
Fruit.
When needing replacing steel hinge band 2, fixed link 5 is pulled by draw ring 52, fixed link 5 is made to be detached from mounting hole 31.Fixed link 5
After being detached from mounting hole 31, fixed block 4 and the effect of being fixed to each other of anchor head 3 release.At this point, pull out fixed block 4, you can need to
The steel to be replaced hinge band 2 is removed, and band 2 is cut with scissors in order to change new steel.
Claims (8)
1. a kind of ring orientation prestress bridge pier structure, including pier stud (1), it is characterised in that：The pier stud (1) is if lateral wall is provided with
Dry annular groove (11), the annular groove (11) is interior to be provided with the steel hinge band (2) being bonded with annular groove (11) bottom wall；The steel hinge
Band (2) both ends are separately provided for tensioning steel hinge the band anchor head (3) of (2) and fixed block (4)；The fixed block (4) is along pier stud
(1) through-hole (41) is radially provided with, the mounting hole (31) communicated with through-hole (41) is provided on the anchor head (3)；The through-hole
(41) sliding setting fixed link (5) in, when the anchor head (3) and fixed block (4) are bonded, the fixed link (5) is inserted into
Into mounting hole (31).
2. ring orientation prestress bridge pier structure according to claim 1, it is characterised in that：The madial wall of the through-hole (41) is set
Installation annular groove (42) is equipped with, is connected between installation annular groove (42) madial wall and fixed link (5) lateral wall solid for preventing
Fixed pole (5) is detached from the elastic component (43) of mounting hole (31).
3. ring orientation prestress bridge pier structure according to claim 2, it is characterised in that：The fixed link (5) is close to pier stud
(1) one end is provided with taper guide pad (51).
4. ring orientation prestress bridge pier structure according to claim 3, it is characterised in that：The fixed link (5) is far from pier stud
(1) one end rotation is provided with draw ring (52).
5. ring orientation prestress bridge pier structure according to claim 4, it is characterised in that：Bullet is arranged on the draw ring (52)
Property cushion cover (53).
6. ring orientation prestress bridge pier structure according to claim 5, it is characterised in that：It is set on the elasticity cushion cover (53)
Have several raised (54).
7. according to the ring orientation prestress bridge pier structure described in any one of claim 1-6 claims, it is characterised in that：It is described
Steel hinge band (2) is made of more steel hinge lines.
8. ring orientation prestress bridge pier structure according to claim 7, it is characterised in that：Annular groove (11) madial wall is set
It is equipped with the caulking groove (12) with the cooperation of anchor head (3) inlay card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660847.8U CN207597242U (en) | 2017-12-02 | 2017-12-02 | A kind of ring orientation prestress bridge pier structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660847.8U CN207597242U (en) | 2017-12-02 | 2017-12-02 | A kind of ring orientation prestress bridge pier structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207597242U true CN207597242U (en) | 2018-07-10 |
Family
ID=62763079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721660847.8U Expired - Fee Related CN207597242U (en) | 2017-12-02 | 2017-12-02 | A kind of ring orientation prestress bridge pier structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207597242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960432A (en) * | 2022-05-16 | 2022-08-30 | 安徽省路桥工程集团有限责任公司 | Annular prestress structure for bridge tower column and construction method |
-
2017
- 2017-12-02 CN CN201721660847.8U patent/CN207597242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960432A (en) * | 2022-05-16 | 2022-08-30 | 安徽省路桥工程集团有限责任公司 | Annular prestress structure for bridge tower column and construction method |
| CN114960432B (en) * | 2022-05-16 | 2023-09-05 | 安徽省路桥工程集团有限责任公司 | Circumferential prestress structure for bridge tower column and construction method |
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| 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: 20180710 |