CN107401125B - Traveling device of mobile trolley and using method - Google Patents
Traveling device of mobile trolley and using method Download PDFInfo
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- CN107401125B CN107401125B CN201710660086.4A CN201710660086A CN107401125B CN 107401125 B CN107401125 B CN 107401125B CN 201710660086 A CN201710660086 A CN 201710660086A CN 107401125 B CN107401125 B CN 107401125B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 238000010276 construction Methods 0.000 claims abstract description 24
- 238000004873 anchoring Methods 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 2
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E01D21/10—Cantilevered erection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a traveling device of a mobile trolley and a using method thereof, the traveling device comprises a main truss, a hanging basket lifting part, a traveling part, a template part and an anchoring part, wherein the main truss realizes the fixation of a mobile hanging basket, the main truss is connected with the top of the hanging basket lifting part, the bottom of the hanging basket lifting part is connected with the template part, the traveling of the mobile hanging basket is realized through the traveling part, and the traveling part is fixed on the anchoring part. The template part of the traveling device of the mobile trolley does not comprise a top plate template and a flange plate template, so that the self weight of the mobile hanging basket is reduced, and the working stability and safety are improved; a temporary supporting cross beam is arranged between the left corrugated steel web plate and the right corrugated steel web plate to ensure that the corrugated steel web plates have enough transverse rigidity and longitudinal rigidity; the setting of anticollision barrier guarantees the security of hanging the basket use. This remove string basket has overcome SCC self-supporting construction method and has removed the limitation of hanging the basket, can be applicable to arbitrary wave form steel web prestressed bridge, has increased the practicality, has enlarged application scope.
Description
Technical Field
The invention relates to a device for bridge construction, in particular to a traveling device of a mobile trolley and a using method thereof.
Background
The corrugated steel web prestressed concrete box girder bridge has a series of advantages of good earthquake resistance, simple and convenient construction, good economy and the like, and is more and more concerned by bridge engineers along with the development of theory and practical application. The different bridge types of the corrugated steel web PC box girder bridge can adopt various construction methods similar to PC bridges, such as support cast-in-place construction, movable formwork hole-by-hole cast-in-place, prefabricated installation, cantilever pouring, pushing construction and the like. For the environment with difficulty in erecting the bracket under the corrugated steel web PC box girder bridge or the bridge with large span, the construction method of the cantilever is usually adopted.
In order to overcome the defects of complex assembly of the hanging basket, insufficient stability, long construction period and the like of the traditional cantilever construction method, the SCC self-bearing construction method is developed. The construction method utilizes the corrugated steel web as the bearing structure of the cradle, greatly reduces the self weight of the cradle, improves the stability and shortens the construction period. But the construction method has the greatest limitation that the construction method is only suitable for the condition that the corrugated steel web connecting piece adopts a double-hole connecting piece. When the corrugated steel web adopts other connecting pieces, the construction method cannot be adopted.
In view of the limitations of the above SCC self-supporting method, it is of great practical significance to provide a traveling apparatus for a mobile cart that simplifies the construction steps and has a wide application range.
Disclosure of Invention
The invention aims to overcome the defects of the conventional hanging basket, and provides a traveling device of a mobile trolley and a using method thereof, which reduce the weight and improve the stability, thereby being more practical and having industrial utilization value.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The walking device of the mobile trolley provided by the invention comprises a main truss, a cradle lifting part, a walking part, a template part and an anchoring part,
the main truss realizes that the removal hangs the fixed of basket, the main truss is connected hang the top of basket lift portion, hang basket lift portion bottom and be connected with template portion, realize removing the removal of hanging the basket through walking portion, walking portion fixes on the anchor portion.
In the travelling device of the mobile trolley, the main truss consists of an upper cross beam, a longitudinal beam and a cradle support leg;
the longitudinal beam is arranged below the upper cross beam, and the longitudinal beam and the upper cross beam are mutually perpendicular and fixed;
the longitudinal beam is fixedly connected with the hanging basket supporting leg.
Aforementioned running gear of mobile trolley, hang basket promotion portion and be the jib, the jib is many, the jib bottom is connected template portion the jib with the hookup location department of template portion sets up the jack of the same and/or different specifications.
In the travelling device of the movable trolley, the anchoring part is a base plate which is anchored on the upper flange steel plate of the corrugated steel web.
In the traveling device of the mobile trolley, the traveling part consists of the rail, and the rail is anchored on the base plate.
In the travelling device of the mobile trolley, the base plate is an n-shaped base plate.
In the traveling device of the mobile cart, the rail is an i-shaped steel beam.
In the aforementioned traveling device for a mobile trolley, the template portion is arranged below the corrugated steel web, and comprises a bottom template and side dies arranged on two sides of the bottom template.
The travelling device of the mobile trolley further comprises a working platform, the bottom of the working platform is connected with the lower end of the hanging basket lifting portion, and the working platform is arranged on two sides of the template portion, and anti-collision guardrails are arranged on the outer sides of the working platform respectively.
According to the walking device of the movable trolley, the corrugated steel web comprises the left corrugated steel web and the right corrugated steel web, and the temporary supporting cross beam is arranged between the left corrugated steel web and the right corrugated steel web.
The use method of the traveling device of the mobile trolley comprises the following steps,
1) And (3) constructing a pier and a zero block, hoisting the (N-1) section corrugated steel web after the construction of the zero block and the (N-0) section corrugated steel web is completed, and connecting the sections of the corrugated steel web together through high-strength bolts. A transverse support (10) is arranged between the two sides of the corrugated steel web plates (9) in the transverse direction;
2) Anchoring an N-shaped base plate (7) on an upper flange steel plate (5) of the (N-1) corrugated steel web plate, anchoring an I-shaped track (6) on the base plate (7), installing a hanging basket on the track (6), arranging a bottom template (12) and a side mold (11), fixing steel bars in a bottom plate of the (N-1) section corrugated steel web plate and a shear connector of the corrugated steel web plate together, pouring (N-1) section bottom plate concrete and maintaining;
3) Installing (N-2) section corrugated steel webs while manufacturing (N-1) section concrete bottom plates;
4) After the (N-1) section corrugated steel web bottom plate concrete meets the design strength requirement, removing a bottom template (12), anchoring an N-shaped base plate (7) and an I-shaped track (6) on an (N-2) section corrugated steel web upper flange steel plate (5), removing the N-shaped base plate (7) and the I-shaped track (6) on the (N-1) section corrugated steel web upper flange steel plate (5) after a hanging basket moves forwards, and synchronously constructing (N-1) section corrugated steel web concrete top plates and (N-2) section corrugated steel web concrete bottom plates;
5) After (N-1) section corrugated steel web top plate concrete and (N-2) section corrugated steel web bottom plate concrete meet the design strength requirement, removing (N-1) section corrugated steel web top plate and (N-2) section corrugated steel web bottom plate templates, removing (N-1) section corrugated steel web transverse support and (N-2) section corrugated steel web transverse support, respectively tensioning (N-1) section corrugated steel web top plate prestressed steel bars and (N-2) section corrugated steel web bottom plate prestressed steel bars, and grouting; simultaneously installing (N-3) segment corrugated steel webs;
6) And (5) the hanging basket moves forwards, and the construction is carried out circularly according to the sequence until the completion.
By means of the technical scheme, the traveling device of the mobile trolley and the using method at least have the following advantages:
the walking device of the mobile trolley and the using method thereof provided by the invention comprise a main truss, a hanging basket lifting part, a walking part, a template part and an anchoring part, wherein the template part does not comprise a top plate template and a flange plate template, so that the weight of the mobile trolley is reduced, and the working stability and the safety are provided; a temporary supporting cross beam is arranged between the left corrugated steel web plate and the right corrugated steel web plate to ensure that the corrugated steel web plates have sufficient transverse and longitudinal rigidity; the setting of anticollision barrier guarantees the security of hanging the basket use. This remove string basket has overcome SCC self-supporting construction method and has removed the limitation of hanging the basket, can be applicable to arbitrary wave form steel web prestressed bridge, has increased the practicality, has enlarged application scope.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Drawings
FIG. 1 is a cross-sectional view schematically illustrating a traveling device of a mobile cart according to the present invention;
FIG. 2 is a left side view of the traveling unit of the mobile cart according to the present invention;
the notation in the figures: 1. the steel plate hanging basket comprises an upper cross beam, 2 suspension rods, 3 longitudinal beams, 4 hanging basket supporting legs, 5 corrugated steel web upper flange steel plates, 6 tracks, 7 backing plates, 8 studs, 9 corrugated steel web plates, 10 temporary supporting cross beams, 11 side dies, 12 bottom templates, 13 crash barriers, 14 working platforms and 15 reverse buckling wheels.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the embodiments, features and effects of the traveling device of a mobile cart and the method for using the same according to the present invention will be described in detail below.
Example 1
As shown in fig. 1 to 2, the traveling device of the mobile cart according to the present invention comprises a main truss, a cradle lifting portion, a traveling portion, a template portion, and an anchoring portion, wherein the main truss fixes the mobile cradle, the main truss is connected to the top of the cradle lifting portion, the bottom of the cradle lifting portion is connected to the template portion, the traveling portion moves the mobile cradle, and the traveling portion is fixed to the anchoring portion.
The main truss is composed of an upper cross beam 1, a longitudinal beam 3 and a cradle supporting leg 4, wherein the longitudinal beam 3 is arranged below the upper cross beam 1, the longitudinal beam 3 and the upper cross beam 1 are mutually perpendicular and fixed, and the upper cross beam 1 and the longitudinal beam 3 are connected by welding; the longitudinal beam 3 and the hanging basket supporting leg 4 are fixedly connected. Hang basket landing leg 4 and set up between longeron 3 and track 6, connect with the welded mode between hanging basket landing leg 4 and the longeron 3, connect with left-hand thread wheel 15 between hanging basket landing leg 4 and the track 6, hang the basket landing leg and play the effect of supporting whole basket structure.
Hang basket lifting portion and be jib 2, jib 2 is many, and 2 bottom connection template portions of jib set up the jack of the same and/or different specifications in jib 2 and the hookup location department of template portion, locate to set up the jack of different specifications according to the atress size at every hoisting point to in time adjust bottom template elevation fast, improve production efficiency, shorten construction cycle.
The anchoring part is an n-shaped base plate 7, the base plate 7 is anchored on the upper flange steel plate 5 of the corrugated steel web plate, and a stud 8 is connected to the upper flange steel plate 5 of the corrugated steel web plate to provide a platform for the hanging basket walking track 6. The walking part consists of a track 6, the track 6 is an I-shaped steel beam, and the track 6 is anchored on a base plate 7.
The template part is arranged below the corrugated steel web plate 9 and comprises a bottom template 12 and side dies 11 arranged on two sides of the bottom template 12, the bottom of the working platform 14 is connected with the lower end of the hanging basket lifting part and arranged on two sides of the template part, and anti-collision guardrails 13 are respectively arranged on the outer sides of the working platform 14.
The corrugated steel web 9 comprises a left corrugated steel web and a right corrugated steel web, and a temporary support cross beam 10 is arranged between the left corrugated steel web and the right corrugated steel web to ensure that the corrugated steel web has enough transverse rigidity and longitudinal rigidity.
The use method of the traveling device of the mobile trolley comprises the following steps:
firstly, constructing a pier and a zero-number block, and constructing the zero-number block and the (N-0) section corrugated steel web plate simultaneously; after the construction of the bridge pier and the zero block is finished, hoisting (N-1) segment corrugated steel webs, connecting the segments of the corrugated steel webs together through high-strength bolts, and arranging transverse supports 10 between the transverse directions of the corrugated steel webs to ensure the stability of the corrugated steel webs;
use wave form steel web as load-carrying members, anchor pi shape backing plate 7 on wave form steel web top flange steel sheet, anchor I-shaped track 6 on backing plate 7, hang the basket with this novel removal and install on track 6. After the hanging basket is installed, the bottom mould part of the hanging basket is utilized to carry out the manufacturing process of the (N-1) segmental bottom plate, a bottom template 12 and a side mould 11 are arranged, steel bars in the (N-1) segmental bottom plate and the wave-shaped steel web shear connectors are bound or welded together, and (N-1) segmental bottom plate concrete is poured and maintained;
the method comprises the following steps that (N-1) a section concrete bottom plate is manufactured, meanwhile, a (N-2) section corrugated steel web is hoisted, the sections of the corrugated steel web are connected together through high-strength bolts, and transverse supports are arranged between the transverse directions of the corrugated steel web to guarantee stability of the corrugated steel web;
after the concrete of the (N-1) section corrugated steel web bottom plate meets the design strength requirement, removing the bottom template 12, anchoring an N-shaped base plate 7 and an I-shaped rail 6 on the (N-2) section corrugated steel web upper flange steel plate 5, moving a hanging basket forwards, removing the N-shaped base plate 7 and the I-shaped rail 6 on the (N-1) section corrugated steel web upper flange steel plate 5, and synchronously constructing the (N-1) section corrugated steel web concrete top plate and the (N-2) section corrugated steel web concrete bottom plate;
after the (N-1) section top plate concrete and the (N-2) section bottom plate concrete meet the design strength requirement, removing the (N-1) section top plate and the (N-2) section bottom plate template, removing the (N-1) and (N-2) section corrugated steel web temporary supports, respectively tensioning the (N-1) top plate and the (N-2) section bottom plate prestressed steel bars, and grouting; and simultaneously installing (N-3) section corrugated steel webs, and circularly constructing according to the sequence.
According to the travelling device of the mobile trolley, the template part does not comprise the top plate template and the flange plate template, so that the self weight of the mobile hanging basket is reduced, and the working stability and safety are provided; a temporary supporting cross beam is arranged between the left corrugated steel web plate and the right corrugated steel web plate to ensure that the corrugated steel web plates have sufficient transverse and longitudinal rigidity; the setting of anticollision barrier guarantees the security of hanging the basket use. The limitation that the SCC self-bearing construction method removes the hanging basket is overcome, the method can be applied to any corrugated steel web prestressed bridge, the practicability is increased, and the application range is enlarged.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a running gear of mobile station car which characterized in that: the movable hanging basket comprises a main truss, a hanging basket lifting part, a walking part, a template part and an anchoring part, wherein the main truss realizes the fixation of the movable hanging basket, the main truss is connected with the top of the hanging basket lifting part, the bottom of the hanging basket lifting part is connected with the template part, the movement of the movable hanging basket is realized through the walking part, and the walking part is fixed on the anchoring part;
the main truss consists of an upper cross beam (1), a longitudinal beam (3) and a hanging basket supporting leg (4);
the longitudinal beam (3) is arranged below the upper cross beam (1), and the longitudinal beam (3) and the upper cross beam (1) are mutually perpendicular and fixed;
the longitudinal beam (3) is fixedly connected with the hanging basket supporting leg (4);
the anchoring part is a base plate (7), and the base plate (7) is anchored on the corrugated steel web upper flange steel plate (5);
the walking part consists of a track (6), and the track (6) is anchored on the base plate (7);
the base plate (7) is an n-shaped base plate;
the track (6) is an I-shaped steel beam;
the hanging basket supporting legs (4) are connected with the tracks (6) through reverse buckling wheels (15).
2. The traveling device of a mobile cart according to claim 1, characterized in that: hang basket lifting portion and be jib (2), jib (2) are many, jib (2) bottom is connected template portion jib (2) with the hookup location department of template portion sets up the jack of the same and/or different specifications.
3. The traveling device of a mobile cart according to claim 2, characterized in that: the template part is arranged below the corrugated steel web (9) and comprises a bottom template (12) and side templates (11) arranged on two sides of the bottom template (12); the corrugated steel web (9) comprises a left corrugated steel web and a right corrugated steel web, and a temporary supporting cross beam (10) is arranged between the left corrugated steel web and the right corrugated steel web.
4. The traveling device for mobile carriage according to claim 3, wherein: still including work platform (14), work platform (14) bottom with hang basket lift portion lower extreme and be connected, and set up in the both sides of template portion the outside of work platform (14) is provided with anticollision barrier (13) respectively.
5. The method for using a traveling device of a mobile cart according to claim 4, comprising: comprises the following steps of (a) carrying out,
1) Constructing a pier and a zero-number block, hoisting (N-1) segment corrugated steel webs after the construction of the zero-number block and the (N-0) segment corrugated steel webs is completed, and arranging temporary supporting beams (10) between the adjacent corrugated steel webs (9) in the transverse direction;
2) Anchoring an N-shaped base plate (7) on an upper flange steel plate (5) of the (N-1) corrugated steel web plate, anchoring an I-shaped track (6) on the base plate (7), installing a hanging basket on the track (6), arranging a bottom template (12) and a side template (11), fixing steel bars in a bottom plate of the (N-1) section corrugated steel web plate and a shear connector of the corrugated steel web plate together, pouring (N-1) section bottom plate concrete and maintaining;
3) Hoisting (N-2) the section corrugated steel web while manufacturing (N-1) the section concrete bottom plate;
4) After the (N-1) section corrugated steel web bottom plate concrete meets the design strength requirement, removing a bottom template (12), anchoring an N-shaped base plate (7) and an I-shaped track (6) on an (N-2) section corrugated steel web upper flange steel plate (5), removing the N-shaped base plate (7) and the I-shaped track (6) on the (N-1) section corrugated steel web upper flange steel plate (5) after a hanging basket moves forwards, and synchronously constructing (N-1) section corrugated steel web concrete top plates and (N-2) section corrugated steel web concrete bottom plates;
5) After (N-1) section corrugated steel web top plate concrete and (N-2) section corrugated steel web bottom plate concrete meet the design strength requirement, removing (N-1) section corrugated steel web top plate and (N-2) section corrugated steel web bottom plate templates, removing (N-1) section corrugated steel web temporary supports and (N-2) section corrugated steel web temporary supports, respectively tensioning (N-1) section corrugated steel web top plate prestressed reinforcing steel bars and (N-2) section corrugated steel web bottom plate prestressed reinforcing steel bars, and grouting; simultaneously installing (N-3) segment corrugated steel webs;
6) And (5) the hanging basket moves forwards, and the construction is carried out circularly according to the sequence until the completion.
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| CN201710660086.4A CN107401125B (en) | 2017-08-04 | 2017-08-04 | Traveling device of mobile trolley and using method |
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| CN201710660086.4A CN107401125B (en) | 2017-08-04 | 2017-08-04 | Traveling device of mobile trolley and using method |
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| CN108589558B (en) * | 2018-02-09 | 2020-04-10 | 安庆中巨机电科技有限公司 | Viaduct outer wall facility maintenance support |
| CN110184889A (en) * | 2019-06-19 | 2019-08-30 | 苏交科集团股份有限公司 | Composite structure bridge with corrugated web bearing construction load and erection method thereof |
| CN110593107B (en) * | 2019-09-23 | 2024-02-06 | 中国建筑股份有限公司 | Movable cantilever hanging basket for steel box girder construction and construction method |
| CN111455873A (en) * | 2020-04-10 | 2020-07-28 | 中铁十一局集团第二工程有限公司 | Suspension system of hanging basket |
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| 错位法施工在波形钢腹板预应力混凝土箱梁桥中的应用;颉明军;《铁道建筑》;20170420(第04期);全文 * |
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