CN110886236B - Detachable high-speed bridge turns steel support and uses ball seat down - Google Patents
Detachable high-speed bridge turns steel support and uses ball seat down Download PDFInfo
- Publication number
- CN110886236B CN110886236B CN201911358255.4A CN201911358255A CN110886236B CN 110886236 B CN110886236 B CN 110886236B CN 201911358255 A CN201911358255 A CN 201911358255A CN 110886236 B CN110886236 B CN 110886236B
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- Prior art keywords
- lower ball
- ball seat
- bridge
- block
- plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
The invention provides a detachable lower ball seat for a high-speed bridge swivel steel support, which relates to the technical field of bridge construction and aims to solve the problems that when the existing lower ball seat for the detachable bridge swivel steel support is detached, a bridge needs to be jacked up and then detached, the operation of jacking the bridge is very difficult, and the bridge is jacked up and then falls down, so that the bridge has great potential safety hazards and deviation possibly occurs in the falling position; and a lower spherical hinge is horizontally arranged at the upper end of the lower ball seat. According to the invention, the horizontal side support plates are respectively and fixedly arranged at the left end edge and the right end edge of the lower ball seat, so that the fixing effect can be achieved, and after construction is finished, the squeezing block and the self-discharging block can be separated, so that the lower ball hinge part falls down, a gap is reserved between the device and a bridge, and the device can be freely withdrawn.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a detachable lower ball seat for a high-speed bridge swivel steel support.
Background
At present, in the domestic bridge rotation construction process, a bridge rotation steel support is generally disposable, and after the bridge rotation is completed, the steel support and a beam body are integrally cast.
According to patent application CN201420521212.X, the lower ball seat for the detachable bridge swivel steel support comprises an upper ball hinge and a lower ball hinge which are meshed with each other, the lower ball hinge is fixed on the lower ball seat through a bolt, the upper ball hinge is fixed on the lower part of a beam body through a bolt, and the lower ball seat is fixed on the top of a lower bearing platform or a pier. After the rotation of the beam is completed, the bolt connection between the lower spherical hinge and the lower ball seat is loosened, the beam is jacked to a certain height, the bridge rotation steel support is taken out, the beam falls in place, the subsequent construction is completed, and the bridge rotation steel support can be reused.
In actual work progress, because the bridge rotates steel support can not reuse, cause the engineering investment big, and current can dismantle the bridge and rotate steel support with ball seat down when using, like the device in the above-mentioned patent, when dismantling, need dismantle earlier the jack-up of bridge again, at first very difficult with the operation of bridge jack-up, the bridge jack-up falls down again in addition, also makes the bridge have very big potential safety hazard, the deviation appears in the position of probably falling.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a detachable lower ball seat for a high-speed bridge swivel steel support is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a detachable lower ball seat for a high-speed bridge rotation steel support, which aims to solve the problems that when the existing lower ball seat for the detachable bridge rotation steel support is detached, a bridge needs to be jacked up and then detached, the operation of jacking the bridge is very difficult, and the bridge is jacked up and then falls down, so that the bridge has great potential safety hazards and the deviation of the falling position is possible.
The invention relates to a detachable lower ball seat for a high-speed bridge swivel steel support, which is realized by the following specific technical means:
a detachable lower ball seat for a high-speed bridge swivel steel support comprises a lower ball seat; the upper end of the lower ball seat is horizontally provided with a lower ball hinge; the middle part of the upper end of the lower spherical hinge is rotatably connected with an upper spherical hinge through a ball head; the edges of the left end and the right end of the lower spherical hinge are respectively vertically inserted with a left limiting plate and a right limiting plate which are parallel to each other; the left end and the right end of the lower ball seat are respectively and fixedly provided with a jacking mechanism; and the four corners of the lower spherical hinge are respectively and vertically provided with a buffering guide mechanism, and the lower end of the buffering guide mechanism is fixedly arranged on the lower ball seat.
Further, the lower ball seat comprises side support plates, blind holes and communicating holes, the left end edge and the right end edge of the lower ball seat are respectively and fixedly provided with the horizontal side support plates, the lower ball seat and the side support plates integrally form a structure shaped like a Chinese character 'ji', the blind holes corresponding to the limiting plates are formed in the top planes of the side support plates, and the rectangular communicating holes are transversely formed in the middle of the lower ball seat vertical plates in a penetrating mode.
Further, the ball pivot includes limit piece, spacing hole and self-discharging piece down, the left end of ball pivot and right-hand member respectively fixed mounting have the limit piece of cuboid form down, set up the spacing hole that runs through from top to bottom with the corresponding position department of limiting plate on the limit piece, fixed mounting has the self-discharging piece of wedge form on the plane of ball pivot bottom down, it is corresponding with the top holding mechanism position of below to unload the piece.
Furthermore, the buffering guide mechanism comprises a buffering spring, the upper end of the buffering guide mechanism is in sliding connection with the corner of the edge block in a penetrating mode, the buffering guide mechanism below the edge block is sleeved with the buffering spring in a sleeved mode, and the upper end of the buffering guide mechanism is connected with a plug in a threaded mode.
Further, the mechanism is held on top includes screw rod, hand wheel, crowded tight piece, UNICOM board and direction cardboard, the vertical spiro union in middle part of the mechanism is held on top has the screw rod, the front end fixed mounting of screw rod has the hand wheel, screw rod middle part spiro union has crowded tight piece, the upper end of crowded tight piece is wedge-shaped structure, and the upper end and the self-discharging piece of its crowded tight piece suit, vertically install the direction cardboard among the mechanism is held on top of crowded tight piece below, the draw-in groove that suits with the direction cardboard is seted up to the lower extreme of its crowded tight piece, and the lower extreme of crowded tight piece is tangent with the top plane of side extension board.
Furthermore, the jacking mechanism also comprises a communicating plate, the left and right squeezing blocks in the jacking mechanism are fixedly connected through the communicating plate, and the communicating plate penetrates through a communicating hole in the lower ball seat.
Furthermore, the left end side wall and the right end side wall of the upper spherical hinge are tangent to the inner side wall of the limiting plate respectively.
Compared with the prior art, the invention has the following beneficial effects:
because the edge of the left end and the edge of the right end of the lower ball seat are respectively fixedly provided with a horizontal side support plate, the lower ball seat and the side support plate integrally form a structure in the shape of a Chinese character 'ji', the top plane of the side support plate is provided with a blind hole corresponding to the limiting plate, the middle part of the vertical plate of the lower ball seat is transversely provided with a rectangular communication hole in a penetrating way, the left end and the right end of the lower ball hinge are respectively and fixedly provided with a cuboid edge block, the edge block is provided with a limiting hole in a penetrating way up and down at the position corresponding to the limiting plate, the bottom plane of the lower ball hinge is fixedly provided with a cuniform self-discharging block corresponding to the position of the lower propping mechanism, the upper end of the buffering guide mechanism is slidably penetrated at the edge of the edge block, the buffering guide mechanism below the edge block is sleeved with a buffering spring, the upper end of the buffering guide mechanism is screwed with a plug, and the buffering guide, the self-discharging bridge support is convenient to reset and descend for withdrawing after use, a screw rod is longitudinally screwed in the middle of the jacking mechanism, a hand wheel is fixedly installed at the front end of the screw rod, a squeezing block is screwed in the middle of the screw rod, the upper end of the squeezing block is of a wedge-shaped structure, the upper end of the squeezing block is matched with a self-discharging block, a guide clamping plate is longitudinally installed in the jacking mechanism below the squeezing block, the lower end of the squeezing block is provided with a clamping groove matched with the guide clamping plate, and the lower end of the squeezing block is tangent to the top plane of the side support plate, when the self-discharging bridge support is needed, the squeezing block moves along the guide clamping plate by rotating the screw rod, the self-discharging block above is squeezed, the lower spherical hinge part is forced to move upwards, the bridge support purpose is achieved, the self-locking function of the screw rod can also play a role in fixing at the same time, and after construction, the squeezing block and the, therefore, a gap is reserved between the device and the bridge and the device can be freely withdrawn.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front right upper axial view of the present invention.
Fig. 2 is a schematic diagram of the left rear upper axial view structure of the invention.
Fig. 3 is a front right lower axial view of the present invention.
Fig. 4 is a schematic front view of the present invention.
Fig. 5 is a right-view structural diagram of the present invention.
Fig. 6 is a schematic structural view of the extracted state of the limiting plate of the invention.
Fig. 7 is an upper view schematically showing the structure of the lower ball hinge and the lower ball seat of the present invention in a separated state.
Fig. 8 is an axial view schematically showing the structure of the lower ball hinge and the lower ball seat of the present invention in a state where they are separated from each other.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a ball seat is arranged; 101. a side support plate; 102. blind holes; 103. a communicating hole; 2. a lower spherical hinge; 201. an edge block; 202. a limiting hole; 203. self-discharging blocks; 3. a buffer guide mechanism; 301. a buffer spring; 4. a jacking mechanism; 401. a screw; 402. a hand wheel; 403. a compaction block; 404. a communication plate; 405. a guide clamping plate; 5. spherical hinge mounting; 6. a limiting plate; 7. a ball head.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a detachable lower ball seat for a high-speed bridge swivel steel support, which comprises a lower ball seat 1; the upper end of the lower ball seat 1 is horizontally provided with a lower ball hinge 2; the middle part of the upper end of the lower spherical hinge 2 is rotatably connected with an upper spherical hinge 5 through a ball head 7; the edges of the left end and the right end of the lower spherical hinge 2 are respectively vertically inserted with a left limiting plate 6 and a right limiting plate 6 which are parallel to each other; the left end and the right end of the lower ball seat 1 are respectively and fixedly provided with a supporting mechanism 4, the supporting mechanism 4 comprises a screw rod 401, a hand wheel 402, a compaction block 403, a communication plate 404 and a guide clamping plate 405, the middle part of the supporting mechanism 4 is longitudinally screwed with the screw rod 401, the front end of the screw rod 401 is fixedly provided with the hand wheel 402, the middle part of the screw rod 401 is screwed with the compaction block 403, the upper end of the compaction block 403 is in a wedge-shaped structure, the upper end of the compaction block 403 is matched with the self-discharging block 203, the supporting mechanism 4 below the compaction block 403 is longitudinally provided with the guide clamping plate 405, the lower end of the compaction block 403 is provided with a clamping groove matched with the guide clamping plate 405, the lower end of the compaction block is tangent with the top plane of the side supporting plate 101, when in use, the compaction block 403 moves along the guide clamping plate 405 by rotating the screw rod 401 to extrude the self-discharging block 203 above the guide clamping plate to force the lower ball hinge 2, the screw 401 has a self-locking function and can also play a role in fixing, and after construction is finished, the squeezing block 403 and the self-unloading block 203 can be separated, so that the lower spherical hinge 2 partially falls down, a gap is reserved between the device and the bridge, and the device can be freely withdrawn; the four corners of the lower spherical hinge 2 are respectively and vertically provided with a buffering guide mechanism 3, and the lower end of the buffering guide mechanism 3 is fixedly arranged on the lower ball seat 1.
Wherein, lower ball seat 1 includes side extension board 101, blind hole 102 and intercommunicating pore 103, and lower ball seat 1's left end edge department and right-hand member edge department fixed mounting have horizontally side extension board 101 respectively, and lower ball seat 1 and side extension board 101 wholly constitute nearly word column structure, have seted up on the plane of side extension board 101 top with the corresponding blind hole 102 of limiting plate 6, and the middle part of lower ball seat 1 riser transversely runs through the intercommunicating pore 103 that is provided with the rectangle.
The lower spherical hinge 2 comprises a side block 201, a limiting hole 202 and a self-discharging block 203, the left end and the right end of the lower spherical hinge 2 are respectively and fixedly provided with the cuboid side block 201, the limiting hole 202 which penetrates through the side block 201 from top to bottom is formed in the position corresponding to the limiting plate 6, the bottom plane of the lower spherical hinge 2 is fixedly provided with the wedge-shaped self-discharging block 203, and the self-discharging block 203 corresponds to the lower jacking mechanism 4.
Wherein, buffering guiding mechanism 3 includes buffer spring 301, and the upper end sliding cross-under of buffering guiding mechanism 3 has cup jointed buffer spring 301 in the edge of limit piece 201 on the buffering guiding mechanism 3 of limit piece 201 below, and the upper end spiro union of buffering guiding mechanism 3 has the plug, and accessible buffering guiding mechanism 3 provides the guide effect in buffering and little displacement space for the partial structure on the spherical hinge 2 down, is convenient for restore to the throne after the use and descend and withdraw from.
The supporting mechanism 4 further comprises a communicating plate 404, the squeezing blocks 403 in the left supporting mechanism 4 and the right supporting mechanism 4 are fixedly connected through the communicating plate 404, and the communicating plate 404 penetrates through the communicating hole 103 in the lower ball seat 1, so that different movements can be kept, and the self-locking capability is enhanced.
Wherein, go up the left end lateral wall and the right-hand member lateral wall of ball pivot 5 and tangent with limiting plate 6's inside wall respectively, can be when not needing the pivoted, carry on spacingly through limiting plate 6.
The specific use mode and function of the embodiment are as follows:
when in use, because the left end edge and the right end edge of the lower ball seat 1 are respectively fixedly provided with a horizontal side support plate 101, the lower ball seat 1 and the side support plate 101 integrally form a structure like a Chinese character 'ji', the top plane of the side support plate 101 is provided with a blind hole 102 corresponding to the limit plate 6, the middle part of the vertical plate of the lower ball seat 1 is transversely provided with a rectangular communication hole 103 in a penetrating way, the left end and the right end of the lower ball hinge 2 are respectively fixedly provided with a cuboid edge block 201, the edge block 201 is provided with a limit hole 202 which is vertically penetrated in a penetrating way at the position corresponding to the limit plate 6, the bottom plane of the lower ball hinge 2 is fixedly provided with a wedge-shaped self-discharging block 203, the position of the self-discharging block 203 corresponds to the position of the lower jacking mechanism 4, the upper end of the buffer guide mechanism 3 is slidably penetrated at the edge of the edge block 201, the buffer guide mechanism 3 below the edge block 201 is sleeved, the buffer guide mechanism 3 can provide buffer and small displacement space guide effects for partial structures on the lower spherical hinge 2, so that the lower spherical hinge can be conveniently reset and lowered for withdrawing after use, the middle part of the jacking mechanism 4 is longitudinally screwed with a screw rod 401, the front end of the screw rod 401 is fixedly provided with a hand wheel 402, the middle part of the screw rod 401 is screwed with a squeezing block 403, the upper end of the squeezing block 403 is of a wedge-shaped structure, the upper end of the squeezing block 403 is matched with a self-discharging block 203, the jacking mechanism 4 below the squeezing block 403 is longitudinally provided with a guide clamping plate 405, the lower end of the squeezing block 403 is provided with a clamping groove matched with the guide clamping plate 405, the lower end of the squeezing block 403 is tangent to the top plane of the side supporting plate 101, when the lower spherical hinge is used, the squeezing block 403 moves along the guide clamping plate 405 by rotating the screw rod 401 to squeeze the self-discharging block 203 above, so as to force the lower spherical hinge 2 to move upwards, because the screw rod 401 has the self-locking function, the self-locking device can also play a role in fixing, and after construction is finished, the squeezing block 403 and the self-discharging block 203 can be separated, so that the lower spherical hinge 2 partially falls down, a gap is reserved between the device and a bridge, and the device can be withdrawn freely.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (3)
1. The utility model provides a detachable high-speed bridge turns steel support with lower ball seat which characterized in that: comprises a lower ball seat (1); the upper end of the lower ball seat (1) is horizontally provided with a lower ball hinge (2); the middle part of the upper end of the lower spherical hinge (2) is rotatably connected with an upper spherical hinge (5) through a ball head (7); the edges of the left end and the right end of the lower spherical hinge (2) are respectively vertically inserted with a left limiting plate (6) and a right limiting plate (6) which are parallel to each other; the left end and the right end of the lower ball seat (1) are respectively and fixedly provided with a jacking mechanism (4); the four corners of the lower spherical hinge (2) are respectively and vertically provided with a buffering guide mechanism (3), and the lower end of the buffering guide mechanism (3) is fixedly arranged on the lower ball seat (1); the buffering guide mechanism (3) comprises a buffering spring (301), the upper end of the buffering guide mechanism (3) is connected to the corner of the edge block (201) in a sliding and penetrating mode, the buffering spring (301) is sleeved on the buffering guide mechanism (3) below the edge block (201), and the upper end of the buffering guide mechanism (3) is connected with a plug in a threaded mode; the ejection mechanism (4) comprises a screw rod (401), a hand wheel (402), a compaction block (403), a communication plate (404) and a guide clamping plate (405), the screw rod (401) is longitudinally screwed in the middle of the ejection mechanism (4), the hand wheel (402) is fixedly mounted at the front end of the screw rod (401), the compaction block (403) is screwed in the middle of the screw rod (401), the upper end of the compaction block (403) is of a wedge-shaped structure, the upper end of the compaction block (403) is adapted to the self-discharging block (203), the guide clamping plate (405) is longitudinally mounted in the ejection mechanism (4) below the compaction block (403), the lower end of the compaction block (403) is provided with a clamping groove adapted to the guide clamping plate (405), and the lower end of the compaction block (403) is tangent to the top plane of the side support plate (101); the lower ball seat (1) comprises side supporting plates (101), blind holes (102) and communicating holes (103), the edge of the left end and the edge of the right end of the lower ball seat (1) are respectively and fixedly provided with the horizontal side supporting plates (101), the lower ball seat (1) and the side supporting plates (101) integrally form a structure shaped like a Chinese character 'ji', the top plane of the side supporting plates (101) is provided with the blind holes (102) corresponding to the limiting plates (6), and the middle of the vertical plate of the lower ball seat (1) is transversely provided with the rectangular communicating holes (103) in a penetrating mode; lower ball pivot (2) are including limit piece (201), spacing hole (202) and self-discharging piece (203), the left end and the right-hand member of lower ball pivot (2) fixed mounting have limit piece (201) of cuboid form respectively, limit piece (201) go up with limiting plate (6) corresponding position department offer about the spacing hole (202) that run through, fixed mounting has self-discharging piece (203) of wedge form on lower ball pivot (2) bottom plane, it is corresponding with top holding mechanism (4) position of below to self-discharging piece (203).
2. The detachable lower ball seat for the steel support of the swivel of the high-speed bridge, according to claim 1, is characterized in that: the jacking mechanism (4) further comprises a communication plate (404), the left and right squeezing blocks (403) in the jacking mechanism (4) are fixedly connected through the communication plate (404), and the communication plate (404) penetrates through a communication hole (103) in the lower ball seat (1).
3. The detachable lower ball seat for the steel support of the swivel of the high-speed bridge, according to claim 1, is characterized in that: the left end side wall and the right end side wall of the upper spherical hinge (5) are tangent to the inner side wall of the limiting plate (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358255.4A CN110886236B (en) | 2019-12-25 | 2019-12-25 | Detachable high-speed bridge turns steel support and uses ball seat down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358255.4A CN110886236B (en) | 2019-12-25 | 2019-12-25 | Detachable high-speed bridge turns steel support and uses ball seat down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110886236A CN110886236A (en) | 2020-03-17 |
| CN110886236B true CN110886236B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911358255.4A Expired - Fee Related CN110886236B (en) | 2019-12-25 | 2019-12-25 | Detachable high-speed bridge turns steel support and uses ball seat down |
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| Country | Link |
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| CN (1) | CN110886236B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112681120A (en) * | 2020-12-16 | 2021-04-20 | 青岛酒店管理职业技术学院 | Elastic iron base plate vibration reduction support for bridge and building structural engineering and installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204080644U (en) * | 2014-09-11 | 2015-01-07 | 北京铁五院工程机械有限公司 | Detachable bridge rotating steel support lower ball base |
| CN206070379U (en) * | 2016-08-30 | 2017-04-05 | 中交武汉港湾工程设计研究院有限公司 | A kind of large-scale structure pose adjusts constructing device |
| CN107313359A (en) * | 2016-04-27 | 2017-11-03 | 成都亚佳工程新技术开发有限公司 | One kind is general to exempt from steel bridge Rotary ball hinge system of weighing |
| CN209652749U (en) * | 2019-03-07 | 2019-11-19 | 艾明明 | A kind of bridge pad convenient for adjusting height |
| CN110670485A (en) * | 2019-09-19 | 2020-01-10 | 中铁武汉勘察设计研究院有限公司 | Bridge construction method combining rotation and height adjustment |
-
2019
- 2019-12-25 CN CN201911358255.4A patent/CN110886236B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204080644U (en) * | 2014-09-11 | 2015-01-07 | 北京铁五院工程机械有限公司 | Detachable bridge rotating steel support lower ball base |
| CN107313359A (en) * | 2016-04-27 | 2017-11-03 | 成都亚佳工程新技术开发有限公司 | One kind is general to exempt from steel bridge Rotary ball hinge system of weighing |
| CN206070379U (en) * | 2016-08-30 | 2017-04-05 | 中交武汉港湾工程设计研究院有限公司 | A kind of large-scale structure pose adjusts constructing device |
| CN209652749U (en) * | 2019-03-07 | 2019-11-19 | 艾明明 | A kind of bridge pad convenient for adjusting height |
| CN110670485A (en) * | 2019-09-19 | 2020-01-10 | 中铁武汉勘察设计研究院有限公司 | Bridge construction method combining rotation and height adjustment |
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| CN110886236A (en) | 2020-03-17 |
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