CN205369009U - Three -dimensional adjustment prestressing force support of PC roof beam - Google Patents
Three -dimensional adjustment prestressing force support of PC roof beam Download PDFInfo
- Publication number
- CN205369009U CN205369009U CN201620030581.8U CN201620030581U CN205369009U CN 205369009 U CN205369009 U CN 205369009U CN 201620030581 U CN201620030581 U CN 201620030581U CN 205369009 U CN205369009 U CN 205369009U
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- prestressing force
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- 238000010276 construction Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a prestressing force support, especially a three -dimensional adjustment prestressing force support of PC roof beam. The utility model provides a can be in the construction three -dimensional position adjustment's three -dimensional adjustment prestressing force support of PC roof beam, including roof, curved plate and sliding construction, the top of roof is provided with the roof beam connecting portion, sets up at least two the rectangular holes that are parallel to each other on the roof, and all rectangular holes divide into two sets ofly, two sets of both sides that set up respectively at the roof, sliding construction divide into the sliding part on upper portion and the fixed part of lower part, and the sliding part can slide for the fixed part, and the top of sliding part is provided with the locking part, and the sliding part sets up two at least, and the bottom of fixed part is provided with the pier connecting portion, the top surface of curved plate is the low curved surface in middle high both ends, after the assembly, the curved plate is located between roof and the sliding construction, and sliding construction's locking part passes the rectangular hole of roof and fixes to the length direction in rectangular hole is perpendicular with the slip direction of sliding part.
Description
Technical field
This utility model relates to a kind of prestressing force bearing, and especially a kind of PC beam three-dimensional adjusts prestressing force bearing.
Background technology
Cross-saddle single-track traffic is the urban track traffic mode of a kind of medium transport power, except having urban track traffic advantage easily and efficiently, has and takes up an area less relative to subway, invest feature low, that noise is little.Since within 2000, Chongqing City has introduced straddle-type monorail, 80 kilometers of circuits of operation are built up.The track that the PC beam of cross-saddle single-track traffic is bridge and vehicle runs.It is by the bearing of a kind of special construction, the superstructure of bridge and substructure is linked together.
Type monorail traffic has two kinds of forms of construction work, is beam structure and simple-supported thencontinuous respectively.
The construction of current Cities of Foreign Countries track traffic has and adopts beam structure, but continuous beam mode to there is the completion time of project long, the defects such as construction area area is big.Urban transportation affecting too big and linear shape in urban track traffic be difficult to reach designing requirement, the comfortableness causing operation is poor, does not typically now adopt.
The form of construction work of simple-supported thencontinuous, in a kind of relatively advanced construction technology of presently can yet be regarded as, owing to cross-saddle single-track traffic is higher to the linear requirement of PC track girder, PC track girder complete beam seam wet connect fixing before, for ensureing the LFM signal of PC track girder, PC track girder can only be fixed temporarily, therefore the security and stability of PC track girder is very poor, particularly in sharp radius curve section, PC track girder is even difficult to steadily place on bent cap, therefore after PC track girder is lifted on pier cap beam and forms simple beam structure, until LFM signal is to meeting design requirement, wet seam completes to need a kind of satisfied 1 before), safety before PC track girder LFM signal, convenient, stably it is fixed；2), when LFM signal safe ready to longitudinally, laterally, vertically, horizontal wall inscription is adjusted；3), LFM signal can be conveniently carried out fastening location, and apply pretightning force on request after completing；4), cheap；A kind of three-dimensional adjust prestressing force bearing.
External many some interim localization methods of employing at present, welding type, nested type, the forms such as embedded anchor bar formula connection, with the equal Shortcomings of upper type in actually used, need to install during construction and want support, traffic impact is bigger, it is difficult to ensure that construction quality and safety, such as welding type is limited by execution conditions at the scene is difficult to ensure that welding quality, its anti-fatigue performance is difficult to ensure that, nested type is again because beam is difficult to ensure that with nested gap, cause Serial regulation difficulty, and embedded anchor bar mode because of embedded anchor bar time precision be difficult to control to, para-position difficulty when causing installation, LFM signal is difficult etc., cause that difficulty of construction is big, safety extreme difference when particularly small radius horizontal wall inscription adjusts, overseas construction once occurred because of the accident of track girder sheet rollover casualties.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can in construction three-dimensional position adjust PC beam three-dimensional adjust prestressing force bearing.
This utility model solves the PC beam three-dimensional adjustment prestressing force bearing that its technical problem adopts, including top board, curved slab and slide construction；
The top of described top board is provided with beam connecting portion, and top board offers the strip hole that at least two is parallel to each other, and all of strip hole is divided into two groups, two groups of both sides being separately positioned on top board；
Described slide construction is divided into the sliding part on top and the fixed part of bottom, and sliding part can slide relative to fixed part, and the top of sliding part is provided with locking part, and sliding part is at least provided with two, and the bottom of fixed part is provided with bridge pier connecting portion；
The end face of described curved slab is the curved surface that middle high two ends are low；
After mounting, described curved slab is between top board and slide construction, and the locking part of slide construction is fixed through the strip hole of top board, and the length direction of strip hole is vertical with the glide direction of sliding part.
Further, described beam connecting portion and bridge pier connecting portion are anchor bar.
Further, described locking part is bolt.
Further, described sliding part is slide block, and described fixed part is sliding groove structure.
Further, described slide block is T-shaped slide block, and sliding groove structure is T-shaped sliding groove structure.
Further, the end face of described T-shaped slide block is the curved surface that middle high two ends are low.
Further, the strip hole of described top board is provided with two, and described sliding part is provided with two groups and corresponding with two strip holes respectively with fixed part.
Further, described curved slab is provided with two pieces, and two pieces of curved slabs are separately positioned on two sliding parts.
Further, described curved slab is provided for the elongated hole of locking part traverse.
The beneficial effects of the utility model are: utilize strip hole can regulate the position of PC beam axial direction, utilize slide construction can regulate the position of PC beam horizontal direction, utilize curved slab can regulate PC and measure angle of inclination, therefore this bearing can regulate PC beam on three-dimensional, this bearing is especially suitable for the form of construction work of simple-supported thencontinuous, this bearing is not required to PC track girder and has higher installation accuracy, can also by regulating the requirement meeting installation, it does not need extra support when construction, when it is installed when construction, para-position and LFM signal are all easier.
Accompanying drawing explanation
Fig. 1 is explosive view of the present utility model；
Fig. 2 is the front view after this utility model is installed；
Fig. 3 is the side view after this utility model is installed；
Fig. 4 is the schematic diagram of T-shaped slide block；
Parts, position and numbering in figure: top board 1, curved slab 2, slide construction 3, anchor bar 4, PC beam 5, strip hole 11, T-shaped slide block 31, T-shaped sliding groove structure 32, locking part 33.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As it is shown in figure 1, this utility model includes top board 1, curved slab 2 and slide construction 3, this three is three parts of upper, middle and lower respectively；
The top of described top board 1 is provided with beam connecting portion, and beam connecting portion is used for and PC beam is fixing connects, and is generally anchor bar 4, pre-buried when PC beam pour into a mould fixes, and makes the length direction of strip hole 11 parallel with PC beam axial direction；Offering the strip hole 11 that at least two is parallel to each other on top board 1, all of strip hole 11 is divided into two groups, two groups of both sides being separately positioned on top board 1；
Described slide construction 3 is divided into the sliding part on top and the fixed part of bottom, sliding part can slide relative to fixed part, the top of sliding part is provided with locking part 33, locking part 33 is generally adopted bolt arrangement, sliding part is at least provided with two, the bottom of fixed part is provided with bridge pier connecting portion, and bridge pier meets portion and connects for fixing with bridge pier, is generally adopted anchor bar 4；Sliding part is coordinated by slide construction with fixed part, is generally chute slide block structure；
The end face of described curved slab 2 is the curved surface that middle high two ends are low, is generally arc surface, it is also possible to be sphere；
After mounting, described curved slab 2 is between top board 1 and slide construction 3, and the locking part 33 of slide construction 3 is fixed through the strip hole 11 of top board 1, and the length direction of strip hole 11 is vertical with the glide direction of sliding part.
This prestressing force bearing regulates the three-dimensional of PC beam in the following manner, and the length direction of PC beam axle is regulated by strip hole 11, is namely slided in strip hole 11 realization by the locking part 33 of sliding part；PC beam width direction is realized by slide construction 3, utilizes the relative sliding of sliding part and fixed part to realize；The angle of inclination of PC beam 5 is realized by curved slab 2, utilizes top board 1 to realize in the rotation of curved slab 2 top curve surface.After the three-dimensional of PC beam 5 has all adjusted, top board 1, curved slab 2 and slide construction 3 three are drawn together in locking, then complete beam and stitch wet connecing so that each PC beam 5 connects into entirety.Final structure is referring to shown in Fig. 2 and Fig. 3.
Concrete, as it is shown in figure 1, described slide block is T-shaped slide block 31, sliding groove structure is T-shaped sliding groove structure 32.The end face of described T-shaped slide block 31 is the curved surface that middle high two ends are low.
Concrete, as it is shown in figure 1, the strip hole 11 of described top board 1 is provided with two, described sliding part and fixed part are provided with two groups and corresponding with two strip holes 11 respectively.This structure is relatively simple.Described curved slab 2 is provided with two pieces, and two pieces of curved slabs 2 are separately positioned on two sliding parts, and described curved slab 2 is provided for the elongated hole of locking part 33 traverse.
These concrete structures are when mounted:
1), T-shaped for curved surface slide block 31 is put into T-shaped sliding groove structure 32, after PC beam 5 lifting puts in place, with the curved surface of the T-shaped slide block of curved surface 31 at T-shaped sliding groove structure 32 intrinsic deflection and lateral displacement, the anchor bolt on T-shaped slide block 31 is allowed to be inserted in the strip hole 11 that PC beam 5 pushes up pre-buried top board 1.
2), by being embedded in the strip hole 11 of PC beam 5 bottom surface top board 1, the length travel of relative anchor bolt, the needs of the longitudinal LFM signal of PC beam 5 are met.
3), treat that PC beam 5 Primary Location tightens the secure localization before Ball faced nut carries out LFM signal.
4), during LFM signal, unclamp Ball faced nut, the strip hole 11 utilizing the pre-buried top board of PC beam 51 meets the longitudinally adjusted of circuit, the T-shaped slide block of curved surface 31 is utilized to meet linear laterally adjusting in the slip of T-shaped sliding groove structure 32, the plate thickness adjusting curved slab 2 meets vertical LFM signal, utilize the curved surface of curved slab 2 and the curved surface of T-shaped slide block 31 can ensure that the LFM signal of horizontal wall inscription and fasten reliably,
5), complete to fasten according to designing requirement Shi Hanzhang after LFM signal, location, carry out wet the connecing of beam seam and become beam structure
This PC beam three-dimensional adjusts it is critical only that of prestressing force bearing and adopts a kind of bearing simple and reliable, with low cost to meet innovation and the technological progress of monorail transit engineering construction process.
This PC beam three-dimensional adjusts prestressing force bearing and original single-track traffic PC rail beam cast steel supporter structure is carried out brand-new design, eliminates pendulum, the bottom, rolls hinge, bearing weight saving more than 80%, and machining amount reduces 90%, greatly reduces production cost.
This PC beam three-dimensional adjusts prestressing force bearing and uses:
The three-dimensional prestressing force bearing top board 1 that adjusts instead of pendulum, the bottom on the cast steel supporter of complexity, and in top board both sides, (longitudinal direction) devises strip hole, meets the longitudinally adjusted of PC beam 5.
Adopt prestressing force bearing curved slab 2, when PC beam 5 is when laterally height changes in horizontal wall inscription adjustment, it is ensured that with the good contact of PC track bottom surface, meet the needs that PC beam 5 horizontal wall inscription adjusts.
Adopt coordinating of T-shaped slide block 31 and T-shaped sliding groove structure 32, meet laterally adjusting of PC track girder.
Adopting the T-shaped slide block 31 of curved surface, PC tramway beam can be carried out fastening location with coordinating of top Ball faced nut and apply pretightning force by deflection at T-shaped sliding groove structure 32 reliably.
Claims (9)
1.PC beam three-dimensional adjusts prestressing force bearing, it is characterised in that: include top board (1), curved slab (2) and slide construction (3)；
The top of described top board (1) is provided with beam connecting portion, top board (1) offers the strip hole (11) that at least two is parallel to each other, all of strip hole (11) is divided into two groups, two groups of both sides being separately positioned on top board (1)；
Described slide construction (3) is divided into the sliding part on top and the fixed part of bottom, sliding part can slide relative to fixed part, the top of sliding part is provided with locking part (33), and sliding part is at least provided with two, and the bottom of fixed part is provided with bridge pier connecting portion；
The end face of described curved slab (2) is the curved surface that middle high two ends are low；
After mounting, described curved slab (2) is positioned between top board (1) and slide construction (3), the locking part (33) of slide construction (3) is fixed through the strip hole (11) of top board (1), and the length direction of strip hole (11) is vertical with the glide direction of sliding part.
2. PC beam three-dimensional as claimed in claim 1 adjusts prestressing force bearing, it is characterised in that: described beam connecting portion and bridge pier connecting portion are anchor bar (4).
3. PC beam three-dimensional as claimed in claim 1 adjusts prestressing force bearing, it is characterised in that: described locking part (33) is bolt.
4. PC beam three-dimensional as claimed in claim 1 adjusts prestressing force bearing, it is characterised in that: described sliding part is slide block, and described fixed part is sliding groove structure.
5. PC beam three-dimensional as claimed in claim 4 adjusts prestressing force bearing, it is characterised in that: described slide block is T-shaped slide block (31), and sliding groove structure is T-shaped sliding groove structure (32).
6. PC beam three-dimensional as claimed in claim 5 adjusts prestressing force bearing, it is characterised in that: the end face of described T-shaped slide block (31) is the curved surface that middle high two ends are low.
7. PC beam three-dimensional as claimed in claim 1 adjusts prestressing force bearing, it is characterized in that: the strip hole (11) of described top board (1) is provided with two, described sliding part and fixed part are provided with two groups and corresponding with two strip holes (11) respectively.
8. PC beam three-dimensional as claimed in claim 7 adjusts prestressing force bearing, it is characterised in that: described curved slab (2) is provided with two pieces, and two pieces of curved slabs (2) are separately positioned on two sliding parts.
9. PC beam three-dimensional as claimed in claim 8 adjusts prestressing force bearing, it is characterised in that: described curved slab (2) is provided for the elongated hole of locking part (33) traverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030581.8U CN205369009U (en) | 2016-01-13 | 2016-01-13 | Three -dimensional adjustment prestressing force support of PC roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030581.8U CN205369009U (en) | 2016-01-13 | 2016-01-13 | Three -dimensional adjustment prestressing force support of PC roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205369009U true CN205369009U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620030581.8U Active CN205369009U (en) | 2016-01-13 | 2016-01-13 | Three -dimensional adjustment prestressing force support of PC roof beam |
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| CN (1) | CN205369009U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024258A (en) * | 2018-09-20 | 2018-12-18 | 重庆单轨交通工程有限责任公司 | A kind of straddle type monorail rail tracks pulling force support and its pulling force support wire tune device |
| CN109505235A (en) * | 2018-12-03 | 2019-03-22 | 中铁大桥局武汉桥梁特种技术有限公司 | A kind of bridge pad |
| CN110318335A (en) * | 2018-03-30 | 2019-10-11 | 比亚迪股份有限公司 | Rail beam bearing and track with it |
| CN111519522A (en) * | 2020-06-05 | 2020-08-11 | 招商局重庆交通科研设计院有限公司 | Bridge beam supports adjusting device |
| CN113047096A (en) * | 2021-04-21 | 2021-06-29 | 石家庄铁道大学 | Ballastless track assembly for longitudinal and transverse beam system steel bridge, construction device and process |
-
2016
- 2016-01-13 CN CN201620030581.8U patent/CN205369009U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318335A (en) * | 2018-03-30 | 2019-10-11 | 比亚迪股份有限公司 | Rail beam bearing and track with it |
| CN109024258A (en) * | 2018-09-20 | 2018-12-18 | 重庆单轨交通工程有限责任公司 | A kind of straddle type monorail rail tracks pulling force support and its pulling force support wire tune device |
| CN109024258B (en) * | 2018-09-20 | 2024-02-09 | 重庆单轨交通工程有限责任公司 | Straddle type monorail Liang Lali support and tension support line adjusting device thereof |
| CN109505235A (en) * | 2018-12-03 | 2019-03-22 | 中铁大桥局武汉桥梁特种技术有限公司 | A kind of bridge pad |
| CN111519522A (en) * | 2020-06-05 | 2020-08-11 | 招商局重庆交通科研设计院有限公司 | Bridge beam supports adjusting device |
| CN111519522B (en) * | 2020-06-05 | 2021-06-25 | 招商局重庆交通科研设计院有限公司 | A bridge bearing adjustment device |
| CN113047096A (en) * | 2021-04-21 | 2021-06-29 | 石家庄铁道大学 | Ballastless track assembly for longitudinal and transverse beam system steel bridge, construction device and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210929 Address after: 610000 No. 12-5, Minxing North 1st Road, Chenghua District, Chengdu, Sichuan (2nd floor) Patentee after: Sichuan Lightspeed Qiyang Track Construction Technology Co.,Ltd. Address before: 610000 No. 77, Tianmu Road, high tech Zone, Chengdu, Sichuan Patentee before: CHENGDU SOUTHWEST JIAOTONG UNIVERSITY TONGLIAN TECHNOLOGY INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220418 Address after: 400000 10-1, No. 16-3, gang'an Second Road, Jiangbei District, Chongqing Patentee after: Chongqing yuzhidian rail transit equipment (Group) Co.,Ltd. Address before: 610000 No. 12-5, Minxing North 1st Road, Chenghua District, Chengdu, Sichuan (2nd floor) Patentee before: Sichuan Lightspeed Qiyang Track Construction Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |