CN215474604U - Bilateral hard beam contact net suspension structure - Google Patents
Bilateral hard beam contact net suspension structure Download PDFInfo
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- CN215474604U CN215474604U CN202121500390.0U CN202121500390U CN215474604U CN 215474604 U CN215474604 U CN 215474604U CN 202121500390 U CN202121500390 U CN 202121500390U CN 215474604 U CN215474604 U CN 215474604U
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- 239000000725 suspension Substances 0.000 title claims abstract description 33
- 230000002146 bilateral effect Effects 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 9
- 230000002787 reinforcement Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a bilateral hard beam contact net suspension structure, and belongs to the field of rail transit construction. The structure comprises at least two hard cross beams which are longitudinally arranged along the bridge, wherein the two ends of each hard cross beam are respectively connected with a hard cross beam strut, each hard cross beam strut is used for being arranged on at least one side of the bridge, adjacent hard cross beams are connected through at least two transverse fixing beams, all the transverse fixing beams between the same adjacent hard cross beams are arranged at intervals along the longitudinal direction of the bridge, and at least two transverse fixing beams are used for hanging a contact net. Adopt two sets of hard crossbeams that vertically set up along the bridge, hard crossbeam both ends are equipped with hard crossbeam pillar respectively, add between hard crossbeam and establish horizontal fixed beam, make middle horizontal fixed beam come as the support of hanging location installation, have solved existing box girder bridge and have not had usable pier, can't satisfy the problem of hanging location installation requirement to make whole structural style melt into a whole, improved the stability of structure.
Description
Technical Field
The utility model relates to the field of rail transit construction, in particular to a bilateral hard beam contact net suspension structure.
Background
On existing box girder bridge floor, the both sides of rail are equipped with railway bridge walking board, and contact net suspension structure does not have the basis and pours the position, so, at present in the construction that the contact net hangs, generally utilize the pier in existing box girder bridge middle part as pouring the basis, set up the steel column, utilize the steel column as contact net suspension structure's support, then erect.
The length of the rigid suspension standard bus bar is 12 m/root, the span of the suspension point requires 8-10 m, when no available bridge pier exists in the middle of the existing box girder bridge and the length of the existing box girder bridge is greater than the span requirement of the suspension point, the bridge pier with the height suitable for the bridge at the newly constructed position is used for assembling the steel column on the side surface in the middle of the bridge, but the construction mode has high difficulty and huge cost consumption.
Therefore, when the length of the existing box girder bridge is larger than the span requirement of the suspension point and no available pier exists, special design becomes necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the problem that the requirement for suspension, positioning and installation of a contact net cannot be met when the length of an existing box girder bridge is larger than the requirement for the span of a suspension point and no available pier exists in the prior art is solved, and the suspension structure of the contact net with the double-side hard cross beams is provided.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a bilateral hard beam contact net suspended structure, includes two piece at least hard crossbeams that vertically set up along the bridge, hard crossbeam both ends are connected with hard crossbeam pillar respectively, hard crossbeam pillar is used for setting up in at least one side of bridge, and is adjacent hard crossbeam is connected through two piece at least horizontal fixed beams, and is same adjacent all horizontal fixed beams between the hard crossbeam are arranged along the vertical interval of bridge, two at least horizontal fixed beams are used for hanging the contact net.
Adopt two sets of hard crossbeams that vertically set up along the bridge, hard crossbeam both ends are equipped with hard crossbeam pillar respectively, add between hard crossbeam and establish horizontal fixed beam, make middle horizontal fixed beam come as the support of hanging the location installation, the weight dispersion of hanging the net has been to the hard crossbeam of the adjacent setting in both sides, when having avoided hanging the net to set up in one side, great bearing pressure who brings for hard crossbeam reduces the life of hard crossbeam, on the other hand, the pillar basis of hard crossbeam pillar bottom has set up on the land at bridge both ends, and whether do not need the bridge middle part have usable pier, the problem that existing box girder bridge does not have usable pier has been solved, can't satisfy and hang the location installation requirement, and make whole structural style melt into a whole, the stability of structure is improved.
In a preferred embodiment of the present invention, the hard beam and the hard beam support are detachably connected by a connecting device.
As a preferable scheme of the present invention, the first connecting device includes at least four first connecting angles, wherein at least two first connecting angles are disposed on the hard cross beam strut, and the first connecting angles disposed on the hard cross beam strut are correspondingly connected.
In a preferred embodiment of the present invention, a flange is fixedly mounted at the bottom of the hard beam support.
In the structure, the top of the hard beam support post and the first beam edge section in the hard beam are fixed to form a whole, the bottom of the hard beam support post is connected with the support base through the flange plate, and a stable base is provided for the whole structure.
As a preferable scheme of the utility model, the hard beam comprises at least two hard beam units connected along the hard beam, and the adjacent hard beam units are detachably connected through a second connecting device;
and the connecting device II comprises a fastening mechanism and two fixing frames, the fixing frames are arranged at the end parts corresponding to the hard beam units, the fixing frames are connected through bolts, and the middle parts corresponding to the fixing frames are fixed through the fastening mechanism.
The fastening mechanism comprises a U-shaped fastening bolt and a fastening clamping plate, two through holes are formed in the fastening clamping plate, the fastening clamping plate is sleeved at two threaded ends of the U-shaped fastening bolt, and a nut is in threaded connection after the threaded end of the U-shaped fastening bolt penetrates through the through hole.
In the structure, the U-shaped fastening bolt is M16 in specification, the nut is screwed and locked by the thread fit of the U-shaped fastening bolt, and the fastening clamping plate is added to enable the U-shaped fastening bolt to be tightly attached to and fixed on the fixing frame better.
According to a preferable scheme of the utility model, the fastening mechanism comprises reinforcing angle steels and reinforcing steel plates, reinforcing mounting holes are formed in the reinforcing angle steels and the reinforcing steel plates, the two reinforcing angle steels which are oppositely arranged are fixedly connected through bolts and nuts, and the bottoms of the two reinforcing angle steels which are oppositely arranged are fixedly connected with the reinforcing steel plates through bolts and nuts.
In the structure, the cross section of the reinforcing angle steel is L-shaped, two reinforcing mounting holes are respectively formed in two side faces of the reinforcing angle steel, the reinforcing angle steel is oppositely arranged, the reinforcing angle steel is fixedly connected to the upper portion of the fixing frame through bolts and nuts, and the reinforcing angle steel is oppositely arranged, the bottom of the reinforcing angle steel is fixedly connected to the reinforcing steel plate through bolts and nuts, and the reinforcing steel plate is fixedly connected to the lower portion of the fixing frame through bolts and nuts.
As a preferable scheme of the present invention, the third connecting device includes a second connecting angle, four second connecting angles and four flange angle, the second connecting angle is welded and fixed to one side of the rigid beam connected to the transverse fixing beam, two of the second connecting angles are welded and fixed to one side of the rigid beam opposite to the flange angle, the other two second connecting angles are welded to one end of the transverse fixing beam, and the flange plate is fixedly welded to one end of the transverse fixing beam.
According to the preferable scheme, the flange plate is connected with the flange angle steel through bolts, and the two opposite connecting angle steels are connected through bolts.
In the structure, the first path of fixation is carried out between the hard beam and the second connecting angle steel on the transverse fixed beam method, and then the second path of fixation is carried out between the flange plate of the transverse fixed beam and the flange angle steel of the hard beam, so that the hard beam and the transverse fixed beam form a whole.
As a preferable scheme of the utility model, a contact line positioning device is also fixedly mounted on the transverse fixed beam.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. adopt two sets of hard crossbeams that vertically set up along the bridge, hard crossbeam both ends are equipped with hard crossbeam pillar respectively, add between hard crossbeam and establish horizontal fixed beam, make middle horizontal fixed beam come as the support of hanging the location installation, the weight dispersion of hanging the net has been to the hard crossbeam of the adjacent setting in both sides, when having avoided hanging the net to set up in one side, great bearing pressure who brings for hard crossbeam reduces the life of hard crossbeam, on the other hand, the pillar basis of hard crossbeam pillar bottom has set up on the land at bridge both ends, and whether do not need the bridge middle part have usable pier, the problem that existing box girder bridge does not have usable pier has been solved, can't satisfy and hang the location installation requirement, and make whole structural style melt into a whole, the stability of structure is improved.
2. In the aspect of engineering investment, one-time investment is high in the prior art, after the scheme of the utility model is adopted, materials and structural parts are conventional materials, and the installation mode is mature process, so that the scheme has considerable economic advantages, and meanwhile, the whole supporting structure is a lattice-like hard beam, and the operation and maintenance pressure of an equipment management unit is reduced.
3. In the utility model, flange plates are arranged on the lower bottom surfaces of two ends of the transverse fixed beam and are arranged on the top surface of the hard cross beam through hoops. The hard cross beam and the transverse fixing beam are connected in a flange plate mode, back angle steel is adopted on the back face, and the back angle steel is wrapped and locked through bolts, so that the installation mode is convenient to construct.
Drawings
FIG. 1 is a front view of a double-sided hard beam catenary suspension of the present invention;
FIG. 2 is a right side view of the double-sided hard beam catenary suspension of the present invention;
FIG. 3 is a top view of the double-sided rigid beam catenary suspension of the present invention;
FIG. 4 is a schematic overall structure diagram of the double-sided hard beam catenary suspension structure of the present invention;
FIG. 5 is a front view of a second coupling device of the present invention using U-shaped fastening bolts;
FIG. 6 is a top view of the utility model of FIG. 5;
FIG. 7 is a schematic structural view of a U-shaped fastening bolt of the present invention;
FIG. 8 is a schematic view of the construction of the fastening clip of the present invention;
FIG. 9 is a front view of a second embodiment of the present invention using reinforcement angles;
FIG. 10 is a top view of the utility model of FIG. 9;
FIG. 11 is a schematic structural view of the reinforcement angle of the present invention;
FIG. 12 is a top view of FIG. 11 in accordance with the present invention;
FIG. 13 is a schematic structural view of a reinforced steel plate of the present invention;
FIG. 14 is a schematic structural view of a first connecting device of the present invention;
FIG. 15 is a top structural view of the hard beam strut of the present invention;
FIG. 16 is a schematic bottom view of the rigid beam support of the present invention;
FIG. 17 is a schematic structural view of a third connecting device of the present invention;
FIG. 18 is a top view of the utility model of FIG. 17;
FIG. 19 is a schematic view of the construction of the two ends of the transverse anchor beam of the present invention;
FIG. 20 is a schematic structural view of the flange angle of the present invention;
FIG. 21 is a schematic view of the contact wire positioning device of the present invention;
the labels in the figure are: the structure comprises 1 hard beam strut, 2 transverse fixed beams, 3 hard beams, 301 first beam edge section, 302 second beam edge section, 303 beam middle section, 4 connecting devices III, 401 connecting angle II, 402 flange plate, 403 flange angle, 5 connecting devices II, 501 fixing frame, 502U-shaped fastening bolt, 503 fastening clamping plate, 504 reinforcing angle steel, 505 reinforcing installation hole, 506 reinforcing steel plate, 6 connecting device I, 601 connecting angle steel I, 701 suspension column, 702 rotary adjustable base, 703 insulator, 704 adjusting base, 705 adjustable elastic suspension wire clamp and 8 support foundation.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
Referring to fig. 1 to 8, the double-sided hard beam catenary suspension structure provided by the utility model comprises a hard beam 3, a hard beam strut 1, a transverse fixed beam 2 and a support foundation 8;
The utility model adopts two groups of hard cross beams 3 which are longitudinally arranged along a bridge, hard cross beam pillars 1 are respectively arranged at two ends of each hard cross beam 3, and the transverse fixing beam 2 is additionally arranged between the hard cross beams 3, so that the transverse fixing beam 2 in the middle is used as a support for suspension positioning installation, the problems that the existing box girder bridge has no available pier and can not meet the requirements for suspension positioning installation are solved, the whole structural form is integrated, the structural stability is improved, the scheme of the utility model is implemented by only a conventional hoisting and splicing mode for conventional part construction, is simple and convenient, does not need to organize professionals to carry out pier construction, optimizes construction organization arrangement, simultaneously, steel beams and members are in complete set for goods, greatly reduces the transportation difficulty, and saves the use cost of rail devices.
In the device, the hard beam 3 comprises at least two hard beam units connected along the hard beam 3, and the adjacent hard beam units are detachably connected through a second connecting device 5.
Specifically, taking five sections of hard beam units as an example, two sections of first beam edge sections 301, two sections of second beam edge sections 302 and one section of beam middle section 303, such hard beam 3 is totally provided with two groups in the structure, two ends of the beam middle section 303 are both connected with one second beam edge section 302 through a connecting device two 5, then the other end of the second beam edge section 302 is also connected with one first beam edge section 301 through a connecting device two 5, the connecting device two 5 comprises a fastening mechanism and two fixing frames 501, threaded holes for bolt connection are formed on the two fixing frames, two ends of the correspondingly arranged fixing frame 501 are connected through bolts and nuts, the fixing frames are welded at two ends of the first beam edge section 301, the second beam edge section 302 and the beam middle section 303, the middle parts of the two fixing frames 501 are fixedly locked through the fastening mechanism, further fixation is performed.
Preferably, a parallel line with the cross section size of 1000mm of the hard cross beam support 1 is vertical to a line x800mm, and main angle steels L100x10 and web members L45x5 are adopted for improving the stability of the whole structure. To manufacture the pillars.
Preferably, the hard cross beam 3 has the cross section size of 1000mm and the height of x800mm width, and main angle steel L100x8 and web members L45x5 are adopted for bearing larger stress. The cross-sectional dimension of the transverse fixed beam 2 is 600mm, the height is x500mm, the width is L80x8, and the web member is L45x 5. To increase the load bearing capacity of the transverse fixed beam 2.
Preferably, due to the high levels of structural stress, the steel material used for the hard cross-over structure is generally Q235B, but the material used for the engineered hard cross-over structure steel material is Q355B. To increase the load bearing capacity of the transverse fixed beam 2.
In the above device, the fastening mechanism includes a U-shaped fastening bolt 502 and a fastening clamping plate 503, two through holes are opened on the fastening clamping plate 503, in order to make the fastening clamping plate 503 sleeve-joint the two threaded ends of the U-shaped fastening bolt 502, the fastening clamping plate 503 is close to the joint of the hard beam 3, then nuts are added on the threaded ends of the U-shaped fastening bolt 502 for fastening and reinforcing, and the fixing frame 501 is prevented from loosening.
Referring to fig. 14-16, in the above-mentioned apparatus, the hard beam 3 is connected to the hard beam column 1 through a first connecting device 6, the first connecting device 6 includes a first connecting angle 601, the first connecting angle 601 includes four connecting angles, two of the first connecting angle 601 are fixedly disposed at the top of the hard beam column 1, the remaining two of the first connecting angle 601 are fixedly disposed at one end of the first beam edge section 301 away from the second beam edge section 302, generally, a welding manner is used, the two first connecting angles 601 oppositely disposed are fixedly connected through bolts, so that an integral body is formed between the hard beam column 1 and the hard beam 3, and a flange plate 602 is fixedly mounted at the bottom of the hard beam column 1 for fixedly connecting the hard beam column 1 to the column foundation.
Referring to fig. 17-20, in the above-mentioned apparatus, the rigid cross beam 3 is connected to the transverse fixed beam 2 through a third connecting device 4, the third connecting device 4 includes a second connecting angle 401, a flange plate 402 and a flange angle 403, the flange angle 403 is welded and fixed to one side of the rigid cross beam 3 connected to the transverse fixed beam 2, the number of the second connecting angles 401 is four, two of the second connecting angles 401 are welded and fixed to one side of the rigid cross beam 3 opposite to the flange angle 403, that is, one side of the front view plane of the whole structure, the other two second connecting angles 401 are welded to one end of the transverse fixed beam 2, preparation is made for the subsequent installation, and the flange plate 402 is fixedly welded to one end of the transverse fixed beam 2. The flange plate 402 and the flange angle steel 403 can be connected through bolts and nuts, the two opposite connecting angle steels 401 are connected through long bolts, the transverse fixing beam 2 and the hard cross beam 3 are connected in a flange plate mode, the back face of the transverse fixing beam is provided with back angle steel, the back face of the transverse fixing beam is locked through bolt wrapping, and the installation mode is convenient to construct.
Referring to fig. 21, the transverse fixed beam 2 is further fixedly provided with a contact wire positioning device, which includes a conventional suspension post 701, a rotary adjustable base 702, an insulator 703, an adjusting base 704, and an adjustable elastic suspension clamp 705.
Example 2
Referring to fig. 9 to 13, on the basis of the first embodiment, another embodiment is provided for a fastening mechanism, where the fastening mechanism includes a reinforcement angle 504 and a reinforcement steel plate 506, the reinforcement angle 504 and the reinforcement steel plate 506 are both provided with reinforcement mounting holes 505, two reinforcement angles 504 which are oppositely arranged are fixedly connected through bolts and nuts, and the bottoms of two reinforcement angles 504 which are oppositely arranged are fixedly connected with the reinforcement steel plate 506 through bolts and nuts.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bilateral hard beam contact net suspended structure, includes pillar basis (8), its characterized in that still includes two piece at least hard crossbeam (3) along the vertical setting of bridge, every hard crossbeam (3) both ends are connected with hard beam pillar (1) respectively, hard beam pillar (1) set up in the both ends of bridge, the bottom of hard beam pillar (1) with pillar basis (8) are connected, pillar basis (8) set up in ground, and are adjacent hard crossbeam (3) are connected through two piece at least horizontal fixed beam (2), and adjacent two all horizontal fixed beam (2) between hard crossbeam (3) are arranged along the vertical interval of bridge, at least two horizontal fixed beam (2) are used for hanging the contact net.
2. A bilateral hard beam catenary suspension structure according to claim 1, characterized in that the hard beam (3) is detachably connected with the hard beam strut (1) by a first connecting device (6).
3. The double-sided hard beam overhead line system suspension structure of claim 2, wherein the first connecting device (6) comprises at least four first connecting angles (601), at least two of the first connecting angles (601) are arranged on the hard beam strut (1), at least two of the first connecting angles (601) are arranged on the hard beam (3), and the first connecting angles (601) arranged on the hard beam strut (1) are correspondingly connected with the first connecting angles (601) arranged on the hard beam (3).
4. A double-sided hard beam catenary suspension structure according to claim 3, characterized in that a flange (602) is fixedly arranged at the bottom of the hard beam strut (1).
5. The double-sided hard beam catenary suspension structure of claim 1, characterized in that the hard beam (3) comprises at least two hard beam units connected along the hard beam (3), and the adjacent hard beam units are detachably connected by a second connecting device (5);
and the second connecting device (5) comprises a fastening mechanism and two fixing frames (501), the adjacent end parts corresponding to the hard beam units are provided with the fixing frames (501), the fixing frames (501) are connected through bolts, and the middle parts corresponding to the fixing frames (501) are fixed through the fastening mechanism.
6. The double-sided hard beam overhead line system suspension structure of claim 5, wherein the fastening mechanism comprises a U-shaped fastening bolt (502) and a fastening clamp plate (503), two through holes are formed in the fastening clamp plate (503), the fastening clamp plate (503) is sleeved at two threaded ends of the U-shaped fastening bolt (502), and a nut is connected to the threaded end of the U-shaped fastening bolt (502).
7. The double-sided hard beam overhead line system suspension structure of claim 5, wherein the fastening mechanism comprises a reinforcing angle steel (504) and a reinforcing steel plate (506), the reinforcing angle steel (504) and the reinforcing steel plate (506) are respectively provided with a reinforcing mounting hole (505), the two reinforcing angle steels (504) which are oppositely arranged are fixedly connected through bolts and nuts, and the bottoms of the two reinforcing angle steels (504) which are oppositely arranged are fixedly connected with the reinforcing steel plate (506) through bolts and nuts.
8. The bilateral hard beam catenary suspension structure of claim 1, wherein the hard beam (3) is connected with the transverse fixed beam (2) through a third connecting device (4);
connecting device three (4) includes angle steel two (401), flange board (402) and flange angle steel (403), angle steel flange (403) welded fastening in one side of being connected with horizontal fixed beam (2) on hard crossbeam (3), connecting device three (4) are equipped with four angle steel two (401), two of them angle steel two (401) welded fastening in on hard crossbeam (3), two other angle steel two (401) weld in the one end of horizontal fixed beam (2), flange board (402) fixed welding in the one end of horizontal fixed beam (2).
9. The double-sided hard beam catenary suspension structure of claim 8, wherein the flange plate (402) is connected with the flange angle steel (403) through a bolt, and the two opposite connecting angle steels (401) are connected through a bolt.
10. The suspension structure of a double-sided hard beam catenary as claimed in any one of claims 1 to 9, wherein the transverse fixed beam (2) is further fixedly provided with a contact wire positioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500390.0U CN215474604U (en) | 2021-07-02 | 2021-07-02 | Bilateral hard beam contact net suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500390.0U CN215474604U (en) | 2021-07-02 | 2021-07-02 | Bilateral hard beam contact net suspension structure |
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| Publication Number | Publication Date |
|---|---|
| CN215474604U true CN215474604U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121500390.0U Active CN215474604U (en) | 2021-07-02 | 2021-07-02 | Bilateral hard beam contact net suspension structure |
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| CN (1) | CN215474604U (en) |
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2021
- 2021-07-02 CN CN202121500390.0U patent/CN215474604U/en active Active
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Effective date of registration: 20220424 Address after: No.9, Tongjin Road, Chengdu, Sichuan 610031 Patentee after: CHINA RAILWAY SECOND BUREAU GROUP ELECTRIC POWER ENGINEERING CO.,LTD. Patentee after: China Liuzhou Railway Construction Bureau Patentee after: Liuzhou power supply section of China Railway Nanning Bureau Group Co.,Ltd. Address before: No.9, Tongjin Road, Chengdu, Sichuan 610031 Patentee before: CHINA RAILWAY SECOND BUREAU GROUP ELECTRIC POWER ENGINEERING CO.,LTD. |