CN110499706B - Manufacturing method and mounting method of large-tonnage swivel support - Google Patents
Manufacturing method and mounting method of large-tonnage swivel support Download PDFInfo
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- CN110499706B CN110499706B CN201910771080.3A CN201910771080A CN110499706B CN 110499706 B CN110499706 B CN 110499706B CN 201910771080 A CN201910771080 A CN 201910771080A CN 110499706 B CN110499706 B CN 110499706B
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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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
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Abstract
The application provides a manufacturing method and an installation method of a large-tonnage swivel support, wherein the manufacturing method of the swivel support comprises the following steps: respectively processing at least two embedded plate sub-plates, and splicing the embedded plates into the required embedded plate; make the support body, the support body includes that core pin axle, bedplate, slide and last bedplate down, and it includes: respectively processing at least two lower seat sub-plates, and assembling the lower seat sub-plates into the required lower seat plate; manufacturing a central pin shaft; respectively processing at least two upper seat sub-plates, and assembling the upper seat sub-plates into a required upper seat plate; manufacturing a sliding plate; arranging a central pin shaft between the lower seat plate and the upper seat plate, and arranging a sliding plate between the top surface of the lower seat plate and the bottom surface of the upper seat plate to obtain a support body; and fixedly connecting the support body with the embedded plate to obtain the swivel support. This application can make things convenient for the large-tonnage to turn the support and swiftly install and transport.
Description
Technical Field
The application belongs to the technical field of bridge supports, and particularly relates to a manufacturing method and an installation method of a large-tonnage swivel support.
Background
At present, as the traffic network of China is more and more dense, the rotating bridge is more and more widely used in bridge construction. Compared with the prior construction processes of cantilever assembly, cantilever pouring, in-situ cast-in-place and the like, the swivel construction process has the advantages of no interference to traffic, uninterrupted navigation, capability of crossing deep trenches, rivers, roads with frequent traffic and the like, and also has the advantages of high construction speed, high economic benefit and the like.
With the continuous improvement of the traffic design capability in China, the turning bridge develops towards the direction of large tonnage and large span of more than 350 million newtons, so that the overall dimension of a turning support which is a main component of a turning system is also continuously increased. However, the swivel support with an over-limited size cannot be transported, so it is urgently needed to change the existing manufacturing method of the swivel support and develop a method capable of manufacturing the large-tonnage swivel support.
Disclosure of Invention
In view of this, the present application provides a method for manufacturing a large-tonnage swivel support and a method for mounting the large-tonnage swivel support.
According to a first aspect of the embodiments of the present application, the present application provides a method for manufacturing a large-tonnage swivel support, which includes the following steps:
making an embedded plate, which comprises: respectively processing at least two embedded plate sub-plates; splicing the embedded plates into the required embedded plates;
make the support body, the support body includes that core pin axle, bedplate, slide and last bedplate down, and it includes:
respectively processing at least two lower seat sub-plates, and assembling the lower seat sub-plates into the required lower seat plate;
manufacturing a central pin shaft;
respectively processing at least two upper seat sub-plates, and assembling the upper seat sub-plates into a required upper seat plate;
manufacturing a sliding plate;
arranging a central pin shaft between the lower seat plate and the upper seat plate, and arranging a sliding plate between the top surface of the lower seat plate and the bottom surface of the upper seat plate to obtain a support body;
and fixedly connecting the support body with the embedded plate to obtain the swivel support.
In the manufacturing method of the large-tonnage rotating body support, in the step of manufacturing the embedded plate, the embedded plate is divided into three embedded plates, and the three embedded plates are spliced into a round embedded plate.
Furthermore, the embedded sub-plates are provided with connecting bolt holes and positioning pin holes, and the positioning pin holes comprise a first longitudinal positioning pin hole and a first transverse positioning pin hole;
the embedded sub-plate is provided with a first longitudinal positioning pin hole, a first transverse positioning pin hole and a first longitudinal positioning pin hole, wherein the first longitudinal positioning pin hole is arranged on the embedded sub-plate along the direction perpendicular to the top surface of the embedded sub-plate, the central line of the first transverse positioning pin hole is perpendicular to the central line of the connecting bolt hole, and the central line of the first transverse positioning pin hole and the central line of the connecting bolt hole are perpendicular to the central line of the first longitudinal positioning pin hole.
Furthermore, the center of the built-in plate which is assembled is provided with a first pin shaft groove.
In the manufacturing method of the large-tonnage rotating support, the specific process of processing the two lower seat sub-plates with the semicircular top surfaces comprises the following steps:
respectively carrying out primary rough machining on the splicing surfaces of the two lower seat sub-plates;
positioning a central pin shaft hole at the center when the two lower seat sub-plates are assembled into the lower seat plate, splicing the two rough-machined lower seat sub-plates together, and respectively performing secondary rough machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing;
splitting the lower seat plate into two lower seat sub-plates, and performing primary finish machining on the split surfaces of the two split lower seat sub-plates respectively;
and (4) splicing the two lower seat sub-plates after the finish machining of the spliced surface, and performing secondary finish machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing respectively.
Further, the diameter of the center pin shaft is smaller than or equal to the diameter of the first pin shaft groove.
In the manufacturing method of the large-tonnage rotating support, the specific process of processing the two upper seat sub-plates with the semicircular top surfaces comprises the following steps:
respectively carrying out primary rough machining on the splicing surfaces of the two upper seat sub-plates;
positioning through a second pin shaft groove at the center when the two upper seat sub-plates are assembled into the upper seat plate, splicing the two rough-machined upper seat sub-plates together, and respectively performing secondary rough machining on an upper plane, an outer ring surface and a lower cambered surface formed by splicing;
splitting the upper seat plate into two upper seat sub-plates, and respectively carrying out primary finish machining on the assembled surfaces of the two split upper seat sub-plates;
and (3) splicing the two upper seat sub-plates after the finish machining of the spliced surface, and performing secondary finish machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing respectively.
Further, the diameter of the second pin shaft groove is larger than that of the center pin shaft.
Further, the size and shape of the sliding plate are matched with the arc top surface.
According to a second aspect of the embodiments of the present application, the present application further provides a method for installing a large-tonnage swivel support, which includes the following steps:
transporting the embedded plate and the support body to a designated place in a split transportation mode;
obtaining an embedded plate through field splicing, anchoring the embedded plate by using an anchoring assembly, and pouring concrete;
fixing one end of a central pin shaft on the embedded plate;
a lower seat plate is obtained through on-site splicing, the lower seat plate is positioned through a central pin shaft, the lower seat plate is integrally hoisted above the embedded plate, and the lower seat plate and the embedded plate are fixed;
splicing the sliding plate on the arc top surface of the lower seat plate in sections, and smearing silicone grease after fixing;
the upper seat plate is obtained through on-site splicing, the upper seat plate is positioned through the center pin shaft, the upper seat plate is integrally hoisted to the upper side of the lower seat plate, and the upper seat plate and the lower seat plate are fixed.
According to the above embodiments of the present application, at least the following advantages are obtained: through with each part block processing, the piece packing of transfiniting and transport to the job site, assemble the shaping with each part again at the job site, the problem that large-tonnage swivel support appearance transfinites can be solved in this application, and convenient transportation, installation, can practice thrift the cost of transportation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification of the application, illustrate exemplary embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a cross-sectional view of a large-tonnage swivel support manufactured by using the method for manufacturing a large-tonnage swivel support provided by the present application according to an embodiment of the present application.
Fig. 2 is a schematic view of a split structure of an embedded plate manufactured by a method for manufacturing a large-tonnage swivel support according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a lower seat sub-plate manufactured by the method for manufacturing a large-tonnage swivel support according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an upper seat sub-plate manufactured by a method for manufacturing a large-tonnage swivel support according to an embodiment of the present application.
Description of reference numerals:
1. pre-burying a plate; 11. pre-burying the sub-plates; 12. a first pin shaft slot; 13. connecting bolt holes; 14. a positioning pin hole;
2. a support body;
21. a lower seat plate; 211. lower seat division plate; 212. a central pin hole; 213. a circular arc top surface; 214. an outer annular surface; 215. the bottom surface of the lower seat plate;
22. a center pin;
23. an upper seat plate; 231. an upper seat is divided into plates; 232. a second pin shaft slot; 233. an upper plane; 234. an outer circular surface; 235. a lower arc surface;
24. a slide board.
Detailed Description
For the purpose of promoting a clear understanding of the objects, aspects and advantages of the embodiments of the present application, reference will now be made to the accompanying drawings and detailed description, wherein like reference numerals refer to like elements throughout.
The illustrative embodiments and descriptions of the present application are provided to explain the present application and not to limit the present application. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.
As used herein, "first," "second," …, etc., are not specifically intended to mean in a sequential or chronological order, nor are they intended to limit the application, but merely to distinguish between elements or operations described in the same technical language.
With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
As used herein, "and/or" includes any and all combinations of the described items.
References to "plurality" herein include "two" and "more than two"; reference to "multiple sets" herein includes "two sets" and "more than two sets".
As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.
Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.
As shown in fig. 1, the large-tonnage swivel support can be manufactured by the method for manufacturing the large-tonnage swivel support, and the large-tonnage swivel support comprises an embedded plate 1 and a support body 2.
The holder body 2 includes a lower seat plate 21, a center pin 22, an upper seat plate 23, and a slide plate 24. Wherein, the bottom surface of lower seat board 21 and pre-buried board 1 fixed connection are provided with slide 24 between lower seat board 21 and the upper seat board 23. The slide plate 24 is specifically provided on the top surface of the lower seat plate 21. The center pin shaft 22 is arranged on the center axis of the embedded plate 1 and the support body 2.
One end of the center pin shaft 22 is arranged in the embedded plate 1, and the other end of the center pin shaft passes through the lower seat plate 21 and the sliding plate 24 in sequence and then is arranged in the upper seat plate 23.
The method for manufacturing the large-tonnage swivel support will be described in detail below.
The manufacturing method of the large-tonnage rotating support comprises the following steps:
s1, manufacturing the embedded plate 1, wherein the concrete process is as follows:
at least two pre-buried sub-plates 11 are respectively processed.
And splicing the embedded sub-boards 11 into the required embedded board 1.
For example, as shown in fig. 2, three embedded sub-boards 11 are respectively processed according to a design drawing, and the three embedded sub-boards 11 can be assembled into a circular embedded board 1. A first pin shaft groove 12 is formed in the center of one embedded sub-plate 11.
The embedded sub-plate 11 is provided with a connecting bolt hole 13 and a positioning pin hole 14, and the positioning pin hole 14 comprises a first longitudinal positioning pin hole and a first transverse positioning pin hole.
The first longitudinal positioning pin hole is formed in the embedded sub plate 11 in the direction perpendicular to the top surface of the embedded sub plate 11, the center line of the first transverse positioning pin hole is perpendicular to the center line of the connecting bolt hole 13, and the center line of the first transverse positioning pin hole and the center line of the connecting bolt hole 13 are perpendicular to the center line of the first longitudinal positioning pin hole.
Specifically, first lateral positioning pin holes may be provided in the embedded sub-boards 11 in the left-right direction for restricting movement of the assembled embedded sub-boards 11 in the front-rear direction.
The first longitudinal positioning pin holes can be arranged in the embedded sub-plates 11 in the vertical direction and used for limiting the movement of the assembled embedded sub-plates 11 in the left-right direction.
The connecting bolt holes 13 may be provided in the embedded sub-plates 11 in the front-rear direction for restricting the movement of the assembled embedded sub-plates 11 in the up-down direction.
The embedded sub-plates 11 are assembled together through the positioning pin holes 14 and the first positioning pins, and the connecting bolt holes 13 and the first connecting bolts.
As shown in fig. 2, there are three pre-buried sub-plates 11, a middle pre-buried sub-plate and a right pre-buried sub-plate, the connecting bolt holes 13 are all arranged on the side where the straight line segments of the pre-buried sub-plates 11 are located, and the opening directions of the connecting bolt holes 13 are all perpendicular to the side where the straight line segments of the pre-buried sub-plates 11 are located.
The center of the top surface of the middle embedded sub-plate 11 is provided with a first pin shaft groove 12.
The left, middle and right embedded sub-plates 11 are spliced into the embedded plate 1 with the round top surface through the positioning pin hole 14, the first positioning pin, the connecting bolt hole 13 and the first connecting bolt.
S2, manufacturing the support body 2, wherein the support body 2 comprises a lower seat plate 21, a center pin shaft 22, an upper seat plate 23 and a sliding plate 24, and the specific process is as follows:
s21, manufacturing a lower seat plate 21;
at least two lower seating sub-plates 211 are respectively processed.
The lower seat sub-plate 211 is assembled into the desired lower seat plate 21.
Specifically, as shown in fig. 3, when two lower seating plates 211 having a semicircular top surface are processed,
firstly, the assembling surfaces of the two lower seat division plates 211 are respectively subjected to primary rough machining, and the machining amount of more than 10mm is reserved during the primary rough machining. The centers of the two lower seat sub-plates 211 are respectively provided with a central pin shaft hole 212 with a semicircular cross section, and when the two lower seat sub-plates 211 are assembled into the required lower seat plate 21, the two central pin shaft holes 212 with semicircular cross sections form the central pin shaft hole 212 with a circular cross section.
Next, the two rough-machined lower seat sub-plates 211 are joined together by bolts while being positioned through the center pin hole 212, and the circular arc top surface 213, the outer annular surface 214, and the bottom surface 215 formed by joining the two rough-machined lower seat sub-plates 211 together are respectively rough-machined for the second time. The second rough machining leaves a machining amount of 10mm or more.
And thirdly, the lower seat plate 21 is split into two lower seat sub-plates 211 by dismounting the bolts so as to release the internal stress of the lower seat plate 21, and the assembling surfaces of the two split lower seat sub-plates 211 are respectively subjected to primary finish machining to reach the preset design size.
Finally, the two lower seat sub-plates 211 after the finish machining of the assembling surface are assembled together, and the circular arc top surface 213, the outer ring surface 214 and the lower seat plate bottom surface 215 formed by the two lower seat sub-plates 211 which are assembled together are respectively subjected to secondary finish machining to reach the preset design size.
S22, manufacturing the center pin shaft 22;
one end of the center pin 22 is disposed in the first pin groove 12, and the other end passes through the center pin hole 212.
The diameter of the first pin groove 12 may be set to be equal to the diameter of the center pin hole 212, and the diameter of the center pin 22 may be set to be smaller than or equal to the diameter of the first pin groove 12.
S23, manufacturing an upper seat plate 23;
at least two upper seat plates 231 are respectively processed.
The upper seat part 231 is assembled to the desired upper seat plate 23.
Specifically, as shown in fig. 4, when two upper seating plates 231 having a semicircular top surface are processed,
first, the assembled surfaces of the two upper seat plates 231 are subjected to primary rough machining, and a machining amount of 10mm or more is left in the primary rough machining. The center of two upper seat partial plates 231 is all offered the cross section and is the semicircular second pin shaft groove 232, and when two upper seat partial plates 231 assembled required upper seat plate 23, two cross sections are the semicircular second pin shaft groove 232 and constitute a cross section and be circular shape second pin shaft groove 232.
Secondly, the center pin 22 and the second pin groove 232 are used for positioning, the two rough upper seat plates 231 are spliced together through bolts, and an upper plane 233, an outer circular surface 234 and a lower arc surface 235 formed by splicing the two upper seat plates 231 are respectively subjected to secondary rough machining. The second rough machining leaves a machining amount of more than 10 mm.
And thirdly, detaching the upper seat plate 23 into two upper seat sub-plates 231 by detaching the bolts so as to release the internal stress of the upper seat plate 23, and performing primary finish machining on the assembled surfaces of the two detached upper seat sub-plates 231 respectively to a preset design size.
Finally, the two upper seat sub-plates 231 after the assembled surface is finished are assembled together, and the upper plane 233, the outer circular surface 234 and the lower arc surface 235 formed by splicing the two upper seat sub-plates 231 together are respectively subjected to secondary finishing to reach a preset design size.
Specifically, the diameter of the second pin groove 232 is greater than the diameter of the center pin 22.
The lower arc surface 235 is one of a polished surface, a chrome-plated surface, and a welded stainless steel surface.
S24, manufacturing the sliding plate 24;
considering that the slide plate 24 is disposed between the top surface of the lower seat plate 21 and the lower seat plate bottom surface 215 of the upper seat plate 23, the slide plate 24 is sized and shaped to match the circular arc top surface 213 of the lower seat plate 21.
S25, the center pin 22 is disposed between the lower seat plate 21 and the upper seat plate 23, and the slide plate 24 is disposed between the top surface of the lower seat plate 21 and the bottom surface of the upper seat plate 23, thereby obtaining the seat body 2.
And S3, fixedly connecting the support body 2 with the embedded plate 1 to obtain the swivel support.
The above steps S21 to S25 may be performed in this order, or the order of the steps S21 to S25 may be changed as necessary.
In the above embodiment, the upper seat plate 23 and the lower seat plate 21 are both made of cast structures and cast through the processes of molding, pouring, smelting, heat treatment, cleaning, and the like.
In addition, in step S3, the support body 2 may be assembled and then hoisted to the embedded plate 1, or the lower seat plate 21, the sliding plate 24, the center pin 22, and the upper seat plate 23 may be directly assembled to the embedded plate 1.
The application also provides an installation method of the large-tonnage rotating support, which comprises the following steps:
and the embedded plate 1 and the support body 2 are transported to a designated place in a split transportation mode.
And (3) obtaining the embedded plate 1 through on-site splicing, anchoring the embedded plate 1 by utilizing the anchoring assembly, and pouring concrete.
One end of the center pin shaft 22 is fixed to the embedment plate 1.
Obtaining lower seat board 21 through on-the-spot concatenation, fix a position through core pin axle 22, with lower seat board 21 integral hoisting to pre-buried board 1 top, fix lower seat board 21 and pre-buried board 1.
The sliding plate 24 is spliced on the arc top surface 213 of the lower seat plate 21 in sections, fixed by countersunk screws and coated with silicone grease.
Get upper seat board 23 through on-the-spot concatenation, fix a position through core pin axle 22, with upper seat board 23 integral hoisting to lower bedplate 21 top, fix upper seat board 23 and lower bedplate 21.
And after the installation of the large-tonnage rotating support is finished, the elevation of the rotating support is adjusted.
The application provides a support method and an installation method of a large-tonnage swivel support, which can solve the problem that the appearance of the large-tonnage swivel support is out of limit, parts which are out of limit are processed in a blocking mode, packaged in a blocking mode and transported to a construction site, and then all the parts are assembled and formed on the construction site.
The foregoing is merely an illustrative embodiment of the present application, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present application shall fall within the protection scope of the present application.
Claims (5)
1. A manufacturing method of a large-tonnage rotating support is characterized by comprising the following steps:
making an embedded plate, which comprises: respectively processing at least two embedded plate sub-plates; splicing the embedded plates into the required embedded plates; the embedded plate sub-plate is provided with a connecting bolt hole and a positioning pin hole, and the positioning pin hole comprises a first longitudinal positioning pin hole and a first transverse positioning pin hole; the first longitudinal positioning pin hole is arranged on the embedded plate sub-plate along a direction perpendicular to the top surface of the embedded plate sub-plate, the central line of the first transverse positioning pin hole is perpendicular to the central line of the connecting bolt hole, and the central line of the first transverse positioning pin hole and the central line of the connecting bolt hole are perpendicular to the central line of the first longitudinal positioning pin hole;
make the support body, the support body includes that core pin axle, bedplate, slide and last bedplate down, and it includes:
respectively processing at least two lower seat sub-plates, and assembling the lower seat sub-plates into the required lower seat plate;
manufacturing a central pin shaft;
respectively processing at least two upper seat sub-plates, and assembling the upper seat sub-plates into a required upper seat plate; when the upper seat sub-plates are assembled into the upper seat plate, the center of the upper seat plate is provided with a second pin shaft groove, and the diameter of the second pin shaft groove is larger than that of the central pin shaft;
manufacturing a sliding plate;
arranging a central pin shaft between the lower seat plate and the upper seat plate, and arranging a sliding plate between the top surface of the lower seat plate and the bottom surface of the upper seat plate to obtain a support body; fixing one end of a central pin shaft on the embedded plate, positioning through the central pin shaft, and fixing the lower seat plate and the embedded plate;
fixedly connecting the support body with the embedded plate to obtain a swivel support;
respectively carrying out primary rough machining on the splicing surfaces of the two lower seat sub-plates;
positioning a central pin shaft hole at the center when the two lower seat sub-plates are assembled into the lower seat plate, splicing the two rough-machined lower seat sub-plates together, and respectively performing secondary rough machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing;
splitting the lower seat plate into two lower seat sub-plates, and performing primary finish machining on the split surfaces of the two split lower seat sub-plates respectively;
assembling the two lower seat sub-plates after the assembled surface is subjected to finish machining for the second time, and respectively performing secondary finish machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing;
respectively carrying out primary rough machining on the splicing surfaces of the two upper seat sub-plates;
positioning through a second pin shaft groove at the center when the two upper seat sub-plates are assembled into the upper seat plate, splicing the two rough-machined upper seat sub-plates together, and respectively performing secondary rough machining on an upper plane, an outer ring surface and a lower cambered surface formed by splicing;
splitting the upper seat plate into two upper seat sub-plates, and respectively carrying out primary finish machining on the assembled surfaces of the two split upper seat sub-plates;
and (3) splicing the two upper seat sub-plates after the finish machining of the spliced surface, and performing secondary finish machining on the arc top surface, the outer ring surface and the bottom surface formed by splicing respectively.
2. The method for manufacturing the large-tonnage swivel support according to claim 1, wherein in the step of manufacturing the embedded plate, the embedded plate sub-plates are arranged into three, and the three embedded plate sub-plates are assembled into a round embedded plate.
3. The manufacturing method of the large-tonnage swivel support according to claim 2, wherein the center of the assembled pre-buried plate is a first pin shaft groove.
4. The method for manufacturing a large-tonnage swivel support according to claim 3, wherein the diameter of the center pin is smaller than or equal to the diameter of the first pin slot.
5. The method for manufacturing a large-tonnage swivel support according to claim 1, wherein the size and shape of the slide plate are matched with the circular arc top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771080.3A CN110499706B (en) | 2019-08-20 | 2019-08-20 | Manufacturing method and mounting method of large-tonnage swivel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771080.3A CN110499706B (en) | 2019-08-20 | 2019-08-20 | Manufacturing method and mounting method of large-tonnage swivel support |
Publications (2)
| Publication Number | Publication Date |
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| CN110499706A CN110499706A (en) | 2019-11-26 |
| CN110499706B true CN110499706B (en) | 2022-02-18 |
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| CN201910771080.3A Active CN110499706B (en) | 2019-08-20 | 2019-08-20 | Manufacturing method and mounting method of large-tonnage swivel support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111691316B (en) * | 2020-06-28 | 2022-02-18 | 重庆交通大学 | Shock-proof bridge structure of turning |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100443343B1 (en) * | 2001-12-21 | 2004-08-09 | 황낙연 | Apparatus for Rotating Bridge Superstructure |
| CN203188133U (en) * | 2013-03-29 | 2013-09-11 | 中铁工程设计咨询集团有限公司 | Super-tonnage rotary body flat-hinge structure |
| CN203440759U (en) * | 2013-05-21 | 2014-02-19 | 洛阳双瑞特种装备有限公司 | A spherical hinge for large-tonnage bridge swiveling construction |
| CN105421247A (en) * | 2014-09-11 | 2016-03-23 | 中铁工程设计咨询集团有限公司 | Novel swivel flat hinge structure with super-large tonnage, and swivel structure |
| CN105155429B (en) * | 2015-07-02 | 2017-03-01 | 北京交达铁工科技有限公司 | A kind of rotator construction ball pivot and its processing and installation method |
| CN204982683U (en) * | 2015-07-24 | 2016-01-20 | 武汉海润工程设备有限公司 | A ball pivot of turning for bridge construction of turning |
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