CN113914229A - High-speed railway simply supported case roof beam contact net built-in fitting positioner - Google Patents
High-speed railway simply supported case roof beam contact net built-in fitting positioner Download PDFInfo
- Publication number
- CN113914229A CN113914229A CN202111341060.6A CN202111341060A CN113914229A CN 113914229 A CN113914229 A CN 113914229A CN 202111341060 A CN202111341060 A CN 202111341060A CN 113914229 A CN113914229 A CN 113914229A
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- China
- Prior art keywords
- embedded
- plate frame
- embedded part
- positioning
- concave 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
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a positioning device for an embedded part of a simply supported box girder overhead line system of a high-speed railway, which comprises a concave plate frame and a lifting support plate movably sleeved on the concave plate frame, wherein positioning steel parts are fixed on the upper parts of two ends of the concave plate frame, a vertically downward electric push rod is fixed at the middle position of the upper parts of the two positioning steel parts, a rubber clamping plate is fixed at the driving end of the electric push rod, and the rubber clamping plate is arranged on the inner side of the positioning steel part; and a plurality of guide wheels which are distributed at equal intervals are arranged at the upper end part of the concave plate frame. According to the invention, after the embedded part is assembled at the later stage, an operator can directly horizontally move and extract the whole embedded part from the guide wheel on the concave plate frame, so that the problem that the embedded part needs to be lifted by a crane to be taken out from the bracket in the prior art is solved, and many unsafe factors exist in the process of lifting and taking out the embedded part, so that the embedded part lifting device is practical and suitable for wide popularization and use.
Description
Technical Field
The invention belongs to the technical field of embedded parts of high-speed railways, and particularly relates to an embedded part positioning device for a simply supported box girder overhead line system of a high-speed railway.
Background
At present, in the installation and construction process of the contact net embedded part of the prestressed concrete simply-supported box girder of the high-speed railway, due to large manual installation error, the installation of contact net bolts and the positioning and installation of the contact net embedded part need to be accurately positioned by adopting necessary and effective measures, and the installation deviation of the contact net embedded part is ensured to meet the relevant specifications.
But the inventor finds out through the exploration that: at present, after the embedded part is assembled, the embedded part needs to be lifted by a crane to be taken out from a support, and many unsafe factors exist in the process of lifting and taking out the embedded part.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a positioning device for an embedded part of a simply supported box girder overhead line system of a high-speed railway, and in order to solve the technical problems, the basic concept of the technical scheme adopted by the invention is as follows:
a high-speed railway simply supported box girder contact net embedded part positioning device comprises a concave plate frame and a lifting support plate movably sleeved on the concave plate frame, wherein positioning steel parts are fixed on the upper parts of two ends of the concave plate frame, a vertically downward electric push rod is fixed at the middle position of the upper parts of the two positioning steel parts, a rubber clamping plate is fixed at the driving end of the electric push rod, and the rubber clamping plate is arranged on the inner side of the positioning steel part;
the upper end part of the concave plate frame is provided with a plurality of guide wheels which are distributed at equal intervals, and the same embedded plate is lapped on the guide wheels positioned at the upper end of the concave plate frame;
the middle position on the concave plate frame is fixed with a vertical upward stepping jacking cylinder, and the end part of a piston rod of the stepping jacking cylinder is vertically fixed at the bottom of the lifting supporting plate.
Furthermore, a plurality of embedded screw rods distributed at equal intervals are inserted into the embedded plates, and each embedded screw rod extends out of the end part of each embedded plate and is screwed with a nut.
Furthermore, the front end of the positioning steel piece is distributed in an open shape, and the rear end of the positioning steel piece is distributed in a closed shape.
Further, the rubber clamping plate is pressed on the embedded plate.
Furthermore, the positioning steel piece is integrally C-shaped galvanized channel steel.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
When the embedded parts are assembled, the embedded plates are firstly lapped on the guide wheels at the upper end parts of the concave plate frames and pushed to the rear end parts of the positioning steel parts, then electric push rods on the two positioning steel parts are started to drive the rubber clamping plates to move downwards and clamp and fix the rubber clamping plates on the embedded plates, and the embedded plates are further clamped and fixed; then according to the length of embedded screw rod, the jacking cylinder is trampled in the operation and drives the lift layer board and carry out the height that goes up and down, thereby guarantee after embedded plate is pegged graft to embedded screw rod, the lower extreme of embedded screw rod can the overlap joint on lift layer board, and can also guarantee that embedded screw rod's upper end stretches out embedded plate, through the design of this device, can make things convenient for after the embedded part of later stage combination, operating personnel can directly follow concave type grillage translation extraction with whole embedded part, avoid needing to adopt the loop wheel machine among the prior art to hoist the embedded part just can follow the loaded down with trivial details problem that the support was taken out, and hoist the in-process of taking out the embedded part and also can have unsafe many factors.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the distribution positions of the guide wheels on the concave plate frame according to the present invention;
FIG. 4 is a schematic structural diagram of a positioning steel member according to the present invention.
In the figure: 1-concave plate frame; 2-lifting supporting plates; 3, pre-embedding a screw rod; 4-positioning the steel part; 5, pre-embedding a plate; 6, an electric push rod; 7-a rubber clamping plate; 8-treading a jacking cylinder; 9-guide wheel.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 one
As shown in fig. 1 to 4, the positioning device for an embedded part of a simply supported box girder overhead line system of a high-speed railway in the embodiment comprises a concave plate frame 1 and a lifting support plate 2 movably sleeved on the concave plate frame 1, wherein positioning steel parts 4 are fixed on the upper parts of both ends of the concave plate frame 1, a vertically downward electric push rod 6 is fixed at the middle position of the upper parts of the two positioning steel parts 4, a rubber clamping plate 7 is fixed at the driving end of the electric push rod 6, the rubber clamping plate 7 is arranged on the inner side of the positioning steel part 4, when the embedded part is assembled, the embedded plate 5 is firstly lapped on a guide wheel 9 at the upper end part of the concave plate frame 1 and pushes the embedded plate 5 to the rear end part of the positioning steel part 4, then the electric push rods 6 on the two positioning steel parts 4 are started to drive the rubber clamping plate 7 to move downwards and clamp and fix the embedded plate 5, and further clamp the embedded plate 5, the whole positioning steel part 4 is C-shaped galvanized channel steel.
The upper end part of the concave plate frame 1 is provided with a plurality of guide wheels 9 which are distributed at equal intervals, so that the resistance of the embedded plate 5 is reduced, an operator can conveniently extract the embedded part, and the same embedded plate 5 is lapped on the guide wheels 9 positioned at the upper end of the concave plate frame 1; the middle position on the concave plate frame 1 is fixed with a vertical upward treading jacking cylinder 8, and the end part of a piston rod of the treading jacking cylinder 8 is vertically fixed at the bottom of the lifting supporting plate 2.
The embedded lead screw 3 that has many equidistance distributions of pegging graft on the embedded plate 5, the end screw that every embedded lead screw 3 stretches out embedded plate 5 twists and has closed the nut, and the front end of location steel part 4 distributes for the opening form, and the rear end distributes for sealing the form, and 7 pressfittings of rubber grip block are on embedded plate 5, and rubber grip block 7 not only can carry out the centre gripping to embedded plate 5 fixed, can also avoid taking place the condition of sideslipping to embedded plate 5.
When the embedded parts are assembled, the embedded plates 5 are firstly lapped on the guide wheels 9 at the upper end parts of the concave plate frames 1, the embedded plates 5 are pushed to the rear end parts of the positioning steel parts 4, then the electric push rods 6 on the two positioning steel parts 4 are started to drive the rubber clamping plates 7 to move downwards and be clamped and fixed on the embedded plates 5, and further the embedded plates 5 are clamped and fixed; then according to the length of pre-buried lead screw 3, the operation is trampled jacking cylinder 8 and is driven lifting support plate 2 and carry out the height that goes up and down, thereby guarantee after pre-buried plate 5 is pegged graft to pre-buried lead screw 3, pre-buried lead screw 3's lower extreme can the overlap joint on lifting support plate 2, and can also guarantee that pre-buried lead screw 3's upper end stretches out pre-buried plate 5, through the design of this device, can make things convenient for after the built-in fitting of later stage combination, operating personnel can directly follow concave type grillage 1 translation extraction with whole built-in fitting, avoid needing to adopt the loop wheel machine to hoist among the prior art just can follow the loaded down with trivial details problem that the support was taken out with the built-in fitting, and also can have a lot of unsafe factors to hoist the in-process of taking out the built-in fitting.
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. A high-speed railway simply supported box girder contact net embedded part positioning device comprises a concave plate frame (1) and a lifting support plate (2) movably sleeved on the concave plate frame (1), and is characterized in that positioning steel parts (4) are fixed on the upper parts of two ends of the concave plate frame (1), a vertically downward electric push rod (6) is fixed at the middle position of the upper parts of the two positioning steel parts (4), a rubber clamping plate (7) is fixed at the driving end of the electric push rod (6), and the rubber clamping plate (7) is arranged on the inner side of the positioning steel part (4);
a plurality of guide wheels (9) which are distributed at equal intervals are arranged at the upper end part of the concave plate frame (1), and the same embedded plate (5) is lapped on the guide wheel (9) positioned at the upper end of the concave plate frame (1);
the middle position above concave grillage (1) is fixed with vertical ascending trampling jacking cylinder (8), and the piston rod tip vertical fixation who tramples jacking cylinder (8) is in the bottom of lift layer board (2).
2. The positioning device for the embedded part of the simply supported box girder overhead contact system of the high-speed railway according to claim 1, wherein a plurality of embedded screws (3) are inserted into the embedded plate (5) and distributed at equal intervals, and nuts are screwed on the end parts of the embedded screws (3) extending out of the embedded plate (5).
3. The device for positioning the embedded part of the simply supported box girder overhead contact system of the high-speed railway according to claim 1, wherein the front ends of the positioning steel parts (4) are distributed in an open shape, and the rear ends of the positioning steel parts are distributed in a closed shape.
4. The positioning device for the embedded part of the simply supported box girder overhead contact system of the high-speed railway according to claim 1, wherein the rubber clamping plate (7) is pressed on the embedded plate (5).
5. The positioning device for the embedded part of the simply supported box girder overhead contact system of the high-speed railway according to claim 3, wherein the positioning steel part (4) is integrally a C-shaped galvanized channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111341060.6A CN113914229B (en) | 2021-11-12 | 2021-11-12 | High-speed railway simply supported case roof beam contact net built-in fitting positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111341060.6A CN113914229B (en) | 2021-11-12 | 2021-11-12 | High-speed railway simply supported case roof beam contact net built-in fitting positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113914229A true CN113914229A (en) | 2022-01-11 |
| CN113914229B CN113914229B (en) | 2023-03-14 |
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| CN202111341060.6A Active CN113914229B (en) | 2021-11-12 | 2021-11-12 | High-speed railway simply supported case roof beam contact net built-in fitting positioner |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09302674A (en) * | 1996-05-20 | 1997-11-25 | Sumitomo Forestry Co Ltd | Anchor bolt positioning tool and its method |
| CN206052702U (en) * | 2016-08-31 | 2017-03-29 | 中国核工业第二二建设有限公司 | A kind of foundation bolt mounting structure |
| CN207448776U (en) * | 2017-10-30 | 2018-06-05 | 中铁四局集团第四工程有限公司 | A kind of high ferro box beam catenary mast built-in fitting calibrating installation |
| CN108775021A (en) * | 2018-07-11 | 2018-11-09 | 中铁三局集团有限公司 | Contact net basic construction built-in fitting precise positioning tooling |
| CN112047251A (en) * | 2020-08-15 | 2020-12-08 | 沈洪林 | Auxiliary type installation equipment for road and bridge embedded parts |
| CN112922032A (en) * | 2021-04-08 | 2021-06-08 | 中建八局轨道交通建设有限公司 | Embedded plate flatness adjusting device and adjusting method |
| CN213573090U (en) * | 2020-10-09 | 2021-06-29 | 中铁北京工程局集团第二工程有限公司 | Accurate positioning structure of railway general contact net basis embedded bolt |
-
2021
- 2021-11-12 CN CN202111341060.6A patent/CN113914229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09302674A (en) * | 1996-05-20 | 1997-11-25 | Sumitomo Forestry Co Ltd | Anchor bolt positioning tool and its method |
| CN206052702U (en) * | 2016-08-31 | 2017-03-29 | 中国核工业第二二建设有限公司 | A kind of foundation bolt mounting structure |
| CN207448776U (en) * | 2017-10-30 | 2018-06-05 | 中铁四局集团第四工程有限公司 | A kind of high ferro box beam catenary mast built-in fitting calibrating installation |
| CN108775021A (en) * | 2018-07-11 | 2018-11-09 | 中铁三局集团有限公司 | Contact net basic construction built-in fitting precise positioning tooling |
| CN112047251A (en) * | 2020-08-15 | 2020-12-08 | 沈洪林 | Auxiliary type installation equipment for road and bridge embedded parts |
| CN213573090U (en) * | 2020-10-09 | 2021-06-29 | 中铁北京工程局集团第二工程有限公司 | Accurate positioning structure of railway general contact net basis embedded bolt |
| CN112922032A (en) * | 2021-04-08 | 2021-06-08 | 中建八局轨道交通建设有限公司 | Embedded plate flatness adjusting device and adjusting method |
Non-Patent Citations (1)
| Title |
|---|
| 佟晓超: "槽式预埋件安装性能试验研究", 《工业建筑》 * |
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| CN113914229B (en) | 2023-03-14 |
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