CN112720834B - Auxiliary mechanism for bridge and using method thereof - Google Patents
Auxiliary mechanism for bridge and using method thereof Download PDFInfo
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- CN112720834B CN112720834B CN202011556093.8A CN202011556093A CN112720834B CN 112720834 B CN112720834 B CN 112720834B CN 202011556093 A CN202011556093 A CN 202011556093A CN 112720834 B CN112720834 B CN 112720834B
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- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an auxiliary mechanism for a bridge and a using method thereof, wherein the auxiliary mechanism comprises a chassis frame and a plurality of sleeves which are uniformly arranged on the chassis frame; the chassis frame comprises a bottom block, a bottom plate and a lower bottom plate, wherein the bottom plate and the lower bottom plate are respectively arranged on two surfaces of the bottom block; set up a plurality of evenly distributed's thread groove on the upper plate, during thread groove downwardly extending to the bottom block, install the screw thread post in the thread groove, the top of screw thread post is equipped with the hexagonal piece of screwing up, telescopic lower extreme inner wall and the upper end threaded connection of screw thread post, and telescopic outer wall is equipped with a plurality of locating pieces, sets up the recess strip of caving in to sleeve outer wall direction on the locating piece, is equipped with grouting hole, excessive thick liquid hole on the sleeve. The invention has the advantages of ingenious design and good effect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an auxiliary mechanism for a bridge and a using method thereof.
Background
The modern building construction increasingly uses the prefabrication assembly construction process, the prefabrication assembly construction means that the structure of a building (structure) is subjected to modular design, the factory modular prefabrication is adopted, after relevant preparation work on a construction site is ready, the site is quickly assembled to construct various buildings (structures), in recent years, the prefabricated stand column assembling technology is widely applied to projects such as municipal bridges and the like, the bridge stand column hoisting construction is adopted in various bridge projects, and the construction speed of the municipal bridges is continuously refreshed.
In the prior art, when a prefabricated stand column is manufactured, reinforcing bars are directly inserted into a chassis, then the reinforcing bars are bound, and concrete slurry is poured after the binding, however, in this way, the bottom of each reinforcing bar is unstable when the concrete slurry is poured, and the manufactured prefabricated stand column is easy to cause that the prefabricated stand column does not meet the requirements, so that an auxiliary mechanism for a bridge and a using method thereof need to be designed.
Disclosure of Invention
The invention provides an auxiliary mechanism for a bridge and a using method thereof, which can effectively solve the technical problems in the background.
In order to achieve the above purpose, the invention provides the following technical scheme:
an auxiliary mechanism for a bridge comprises a whole frame, a chassis frame and a plurality of sleeves which are uniformly arranged on the chassis frame; the chassis frame comprises a bottom block, an upper bottom plate and a lower bottom plate which are respectively arranged on two surfaces of the bottom block, and an adjusting mechanism is arranged on the bottom block; the upper bottom plate is provided with a plurality of uniformly distributed thread grooves, the thread grooves extend downwards to the bottom block, thread columns are mounted in the thread grooves, hexagonal screwing blocks are arranged at the tops of the thread columns, the inner wall of the lower end of the sleeve is in threaded connection with the upper ends of the thread columns, the outer wall of the sleeve is provided with a plurality of positioning blocks, groove strips sinking inwards towards the outer wall of the sleeve are arranged on the positioning blocks, and the sleeve is provided with grouting holes and slurry overflowing holes; the whole frame comprises a base, a first support and a second support, wherein the first support and the second support are arranged on the base, the adjusting mechanism is connected to the first support, supporting rods are arranged between the upper base plate and the base and between the lower base plate and the base, a reinforcing steel bar positioning plate is arranged on the second support, and a plurality of positioning holes are formed in the reinforcing steel bar positioning plate.
Preferably, the adjusting mechanism comprises a moving body, an extruding body and a spring, an adjusting groove and a through groove are formed in the side wall of the bottom block, a first through hole and a second through hole are formed in the groove wall of the through groove, the first through hole extends into the adjusting groove, the second through hole penetrates through the lower bottom plate, a pressing plate is sleeved on the extruding body and is located in the through groove, two ends of the spring are respectively connected to the groove walls of the pressing plate and the through groove, the top of the extruding body penetrates into the adjusting groove, the end of the extruding body penetrates into the second through hole, the moving body is in threaded engagement with the adjusting groove, the end of the moving body is conical, the top of the extruding body is hemispherical, and the end of the moving body is in contact with the top of the extruding body; the end part of the extrusion body is connected to the first bracket.
Preferably, the slurry overflow hole, the adjusting groove and the through hole are all close to the upper bottom plate.
On the other hand, the use method of the auxiliary mechanism for the bridge comprises the following steps:
s1: positively rotating and installing the threaded columns into corresponding threaded grooves, and positively rotating and installing the lower ends of the sleeves onto the corresponding threaded columns;
s2: the socket wrench is used for stretching into the socket and aligning with the hexagonal screwing block, the socket wrench is reversely screwed to enable the threaded column to reversely rotate, the socket can also reversely rotate together, the socket wrench is kept stationary after the threaded column moves upwards to a certain position, and then the socket is rotated in the positive direction to enable the bottom of the socket to be in contact with the upper bottom plate, so that the grouting hole and the grout overflow hole in the socket are ensured to be outward;
s3: in step S2, if the grouting holes and the grout overflow holes are not outward, adjusting the threaded column to move up or down, and then rotating the sleeve forward or backward until the grouting holes and the grout overflow holes on the sleeve are outward;
s4: bundling the plurality of sleeves by using reinforcing steel bars, wherein the reinforcing steel bars can be correspondingly arranged in the groove strips;
s5: supporting rods are arranged between the upper base plate and the base and between the lower base plate and the base, then the adjusting mechanism is arranged on the first support, and the sleeve is kept transversely;
s6: and transversely inserting the reinforcing steel bars into the corresponding sleeves from the positioning holes, then injecting concrete grout from the grouting holes of the sleeves, observing the flow of the grout overflow holes after the concrete grout overflows and keeping stable after a period of time, stopping injecting the concrete grout into the grouting holes, and standing for a period of time.
On the other hand, the method comprises the following steps:
s1: positively rotating and installing the threaded columns into corresponding threaded grooves, and positively rotating and installing the lower ends of the sleeves onto the corresponding threaded columns;
s2: the socket wrench is used for stretching into the socket and aligning with the hexagonal screwing block, the socket wrench is reversely screwed to enable the threaded column to reversely rotate, the socket can also reversely rotate together, the socket wrench is kept stationary after the threaded column moves upwards to a certain position, and then the socket is rotated in the positive direction to enable the bottom of the socket to be in contact with the upper bottom plate, so that the grouting hole and the grout overflow hole in the socket are ensured to be outward;
s3: in step S2, if the grouting holes and the grout overflow holes are not outward, adjusting the threaded column to move up or down, and then rotating the sleeve forward or backward until the grouting holes and the grout overflow holes on the sleeve are outward;
s4: bundling the plurality of sleeves by using reinforcing steel bars, wherein the reinforcing steel bars can be correspondingly arranged in the groove strips;
s5: the whole chassis frame is transversely placed, the sleeve is kept transversely placed, then each moving body is rotated, the moving bodies move, the end portions of the moving bodies are in contact with the top of the extrusion body, and the lower end of the extrusion body penetrates through the corresponding second through hole;
s6: fix a plurality of extrusions that run through out, raise whole chassis underframe of crossing, then in the sleeve, transversely insert the reinforcing bar, then pour into the concrete thick liquid into from telescopic injected hole, after a period, observe the excessive thick liquid hole and after the flow that spills over behind the concrete thick liquid remains stable, stop to pour into the concrete thick liquid into the injected hole, then it can to stew for a period.
The invention has the beneficial effects that:
the sleeve is convenient to position by arranging the threaded column, and the grouting hole and the grout overflow hole on the sleeve can be rotated to correct positions by reversely rotating the threaded column, so that concrete grout can be conveniently injected from the grouting hole; the whole chassis frame is conveniently fixed by arranging the whole frame; through setting up the reinforcing bar locating plate, conveniently insert the reinforcing bar. The invention has skillful design and good effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1: the invention has a schematic structure.
FIG. 2: the invention A is a structural schematic diagram.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the attached drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims:
as shown in fig. 1 to 2, the present invention provides an auxiliary mechanism for a bridge, which includes a chassis frame and a plurality of uniformly arranged sleeves 1 provided on the chassis frame.
The chassis frame comprises a bottom block 2, an upper bottom plate 3 and a lower bottom plate 4 which are respectively arranged on two surfaces of the bottom block 2, and an adjusting mechanism is arranged on the bottom block 2.
Set up a plurality of evenly distributed's thread groove 5 on the upper plate 3, thread groove 5 downwardly extending to in the bottom block 2, install screw thread post 6 in the thread groove 5, the top of screw thread post 6 is equipped with hexagon and screws up piece 7, the lower extreme inner wall of sleeve 1 and the upper end threaded connection of screw thread post 6, the outer wall of sleeve 1 is equipped with a plurality of locating pieces 8, set up the recess strip 9 that caves in to sleeve 1 outer wall direction on the locating piece 8, be equipped with grouting holes 10 on the sleeve 1, overfall hole 11 is close to upper plate 3, grouting holes 10 are used for pouring into the concrete thick liquid, the concrete thick liquid can flow from overfall hole 11.
The adjusting mechanism comprises a moving body 12, an extruding body 13 and a spring 14, an adjusting groove 15 and a through groove 16 are formed in the side wall of the bottom block 2, the adjusting groove 15 and a first through hole 17 are close to the upper base plate 3, a first through hole 17 and a second through hole 18 are formed in the groove wall of the through groove 16, the first through hole 17 extends into the adjusting groove 15, the second through hole 18 penetrates through the lower base plate 4, a pressing plate 19 is sleeved on the extruding body 13, the pressing plate 19 is located in the through groove 16, two ends of the spring 14 are respectively connected to the pressing plate 19 and the groove wall of the through groove 16, the top of the extruding body 13 penetrates into the adjusting groove 15, the end of the extruding body 13 penetrates into the second through hole 18, and the moving body 12 is in threaded engagement with the adjusting groove 15.
The whole frame comprises a base 20, a first support 21 and a first support 22, wherein the first support 21 and the first support 22 are arranged on the base 20, an adjusting mechanism is connected to the first support 21, supporting rods 23 are respectively arranged between an upper base plate and the base 20 and between a lower base plate and the base 20, a reinforcing steel bar positioning plate 24 is arranged on the first support 22, a plurality of positioning holes 25 are formed in the reinforcing steel bar positioning plate 24, and the end part of the extruding body 13 is connected to the first support 21.
The end of the moving body 12 is conical, the top of the extruding body 13 is hemispherical, the end of the moving body 12 is in contact with the top of the extruding body 13, when the moving body 12 is rotated, the moving body 12 can move into the adjusting groove 15 and can be in contact with the top of the extruding body 13 for extrusion, so that the extruding body 13 can move downwards, and the end of the extruding body 13 is connected to the first support 21.
On the other hand, the present embodiment further provides the following mold construction steps:
s1: positively rotating the threaded columns 6 into the corresponding threaded grooves 5, and positively rotating the lower ends of the sleeves 1 onto the corresponding threaded columns 6;
s2: stretch into from sleeve 1 with 1 spanner of sleeve, and aim at hexagon and screw up piece 7, reverse twist 1 spanner of commentaries on classics sleeve, make 6 reverse rotations of screw thread post, sleeve 1 also can follow reverse rotation together this moment, can upwards move to a certain position after screw thread post 6, keep 1 spanner of sleeve motionless, sleeve 1 is rotated to the positive direction again, make sleeve 1 make bottom and upper plate 3 contact, guarantee that slip casting hole 10 on the sleeve 1, excessive grout hole 11 all be outside as shown in figure 1, this is for conveniently pouring into the concrete thick liquid from slip casting hole 10.
S3: in step S2, if the grouting holes 10 and the grout overflow holes 11 are not outward, the threaded rod 6 is adjusted to move up or down, and then the sleeve 1 is rotated forward or backward until the grouting holes 10 and the grout overflow holes 11 on the sleeve 1 are outward.
S4: the plurality of sleeves 1 are bundled with reinforcing bars which can be correspondingly fitted into the groove strips 9.
S5: supporting rods 23 are arranged between the upper base plate 3 and the base 20 and between the lower base plate 4 and the base 20, and then the extruding body 13 extending out of the second through hole 18 is arranged on the first support 21.
S6: transversely inserting reinforcing bars into the corresponding sleeves 1 from the positioning holes 25, transversely inserting the reinforcing bars into the sleeves 1, then injecting concrete slurry into the grouting holes 10 of the sleeves 1, observing the flow of the concrete slurry overflowing from the slurry overflowing holes 11 after a period of time is stable, stopping injecting the concrete slurry into the grouting holes 10, standing for a period of time, detaching and erecting the whole chassis frame together with the reinforcing steel positioning plate 24 after the reinforcing bars are all fixed in the corresponding sleeves 1 after a period of time, retracting the extrusion body 13, and then pouring the concrete slurry after binding the reinforcing steel bars.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (3)
1. An auxiliary mechanism that bridge was used which characterized in that: comprises a whole frame, a chassis frame and a plurality of sleeves which are uniformly arranged on the chassis frame; the chassis frame comprises a bottom block, an upper bottom plate and a lower bottom plate which are respectively arranged on two surfaces of the bottom block, and an adjusting mechanism is arranged on the bottom block; the upper bottom plate is provided with a plurality of uniformly distributed thread grooves, the thread grooves extend downwards to the bottom block, thread columns are mounted in the thread grooves, hexagonal screwing blocks are arranged at the tops of the thread columns, the inner wall of the lower end of the sleeve is in threaded connection with the upper ends of the thread columns, the outer wall of the sleeve is provided with a plurality of positioning blocks, groove strips sinking inwards towards the outer wall of the sleeve are arranged on the positioning blocks, and the sleeve is provided with grouting holes and slurry overflowing holes; the whole frame comprises a base, a first support and a second support, wherein the first support and the second support are arranged on the base;
the adjusting mechanism comprises a moving body, an extruding body and a spring, wherein an adjusting groove and a through groove are formed in the side wall of the bottom block, a first through hole and a second through hole are formed in the groove wall of the through groove, the first through hole extends into the adjusting groove, the second through hole penetrates through the lower bottom plate, a pressing plate is sleeved on the extruding body and is positioned in the through groove, two ends of the spring are respectively connected to the groove walls of the pressing plate and the through groove, the top of the extruding body penetrates into the adjusting groove, the end of the extruding body penetrates into the second through hole, the moving body is in threaded engagement with the adjusting groove, the end of the moving body is conical, the top of the extruding body is hemispherical, and the end of the moving body is in contact with the top of the extruding body; the end part of the extrusion body is connected to the first bracket.
2. An attachment mechanism for a bridge, according to claim 1, wherein: the slurry overflow hole, the adjusting groove and the through hole are all close to the upper bottom plate.
3. The method for constructing an auxiliary mechanism for a bridge according to claim 1, wherein: the method comprises the following steps:
s1: forward rotation of the threaded columns is mounted in the corresponding threaded grooves, and forward rotation of the lower ends of the sleeves is mounted on the corresponding threaded columns;
s2: the socket wrench is used for stretching into the socket and aligning with the hexagonal screwing block, the socket wrench is reversely screwed to enable the threaded column to reversely rotate, the socket can also reversely rotate together, the socket wrench is kept stationary after the threaded column moves upwards to a certain position, and then the socket is rotated in the positive direction to enable the bottom of the socket to be in contact with the upper bottom plate, so that the grouting hole and the grout overflow hole in the socket are ensured to be outward;
s3: in step S2, if the grouting holes and the grout overflow holes are not aligned, adjusting the threaded column to move up or down, and then rotating the sleeve forward or backward until the grouting holes and the grout overflow holes on the sleeve are aligned;
s4: bundling the plurality of sleeves by using reinforcing steel bars, wherein the reinforcing steel bars are correspondingly arranged in the groove strips;
s5: supporting rods are arranged between the upper base plate and the base and between the lower base plate and the base, then the adjusting mechanism is arranged on the first support, and the sleeve is kept transversely;
s6: and transversely inserting the reinforcing steel bars into the corresponding sleeves from the positioning holes, then injecting concrete grout from the grouting holes of the sleeves, observing the flow of the grout overflow holes after the concrete grout overflows and keeping stable after a period of time, stopping injecting the concrete grout into the grouting holes, and standing for a period of time.
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CN202011556093.8A CN112720834B (en) | 2020-12-24 | 2020-12-24 | Auxiliary mechanism for bridge and using method thereof |
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CN202011556093.8A CN112720834B (en) | 2020-12-24 | 2020-12-24 | Auxiliary mechanism for bridge and using method thereof |
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CN112720834B true CN112720834B (en) | 2022-05-17 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH569159A5 (en) * | 1973-06-29 | 1975-11-14 | Neomat Ag | Threaded spindle for holding building facing plates - connects plate support profile to masonry wall with adjusting sleeve |
CN203401570U (en) * | 2013-08-12 | 2014-01-22 | 福建安吉屋新型建材有限公司 | Side formwork folding and unfolding device for producing foam concrete composite board |
CN103590510A (en) * | 2013-11-27 | 2014-02-19 | 上海建工五建集团有限公司 | Method for fixedly connecting embedded bars in assembly-type structure and cast-in-place structure |
CN107989274A (en) * | 2017-12-20 | 2018-05-04 | 佛山科学技术学院 | A kind of steel bar positioning plate for building vertical column construction |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06322822A (en) * | 1994-06-03 | 1994-11-22 | Kajima Corp | Method for connecting precast reinforced concrete column |
KR20010048018A (en) * | 1999-11-24 | 2001-06-15 | 김영구 | Connector for reinforceing rod |
KR20020046414A (en) * | 2000-12-14 | 2002-06-21 | 윤요현 | Sleeve for reinforcing bar fixing at steel-reinforced concrete structure and construction method using the same |
US6622442B2 (en) * | 2001-07-30 | 2003-09-23 | Heug Jin Kwon | Combination light-weight deck form, with connectors |
US7182316B2 (en) * | 2004-02-05 | 2007-02-27 | Sykes Richard D | Adjustable support bracket |
CN104790291A (en) * | 2015-04-22 | 2015-07-22 | 上海市城市建设设计研究总院 | Prefabricated type bridge pier column and connecting method thereof |
JP6461338B2 (en) * | 2015-06-19 | 2019-01-30 | 東京製綱株式会社 | Continuous fiber reinforcing material tensioning device, continuous fiber reinforcing material tensioning method and wedge body |
CN106088482A (en) * | 2016-07-29 | 2016-11-09 | 上海建工二建集团有限公司 | A kind of fixed grout sleeve and using method |
CN207812840U (en) * | 2017-12-29 | 2018-09-04 | 玫德集团有限公司 | A kind of full grout sleeve |
CN108560405A (en) * | 2018-07-17 | 2018-09-21 | 中冶长天国际工程有限责任公司 | The construction method of assembled column, assembled bridge pier and assembled bridge pier |
CN209491944U (en) * | 2018-09-28 | 2019-10-15 | 湖南中铁五新钢模有限责任公司 | A kind of full prefabricated bridge pier stud main reinforcement locator |
-
2020
- 2020-12-24 CN CN202011556093.8A patent/CN112720834B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH569159A5 (en) * | 1973-06-29 | 1975-11-14 | Neomat Ag | Threaded spindle for holding building facing plates - connects plate support profile to masonry wall with adjusting sleeve |
CN203401570U (en) * | 2013-08-12 | 2014-01-22 | 福建安吉屋新型建材有限公司 | Side formwork folding and unfolding device for producing foam concrete composite board |
CN103590510A (en) * | 2013-11-27 | 2014-02-19 | 上海建工五建集团有限公司 | Method for fixedly connecting embedded bars in assembly-type structure and cast-in-place structure |
CN107989274A (en) * | 2017-12-20 | 2018-05-04 | 佛山科学技术学院 | A kind of steel bar positioning plate for building vertical column construction |
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