CN103378403A - Railway vehicle antenna installation device and installation method thereof - Google Patents
Railway vehicle antenna installation device and installation method thereof Download PDFInfo
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- CN103378403A CN103378403A CN2012101264915A CN201210126491A CN103378403A CN 103378403 A CN103378403 A CN 103378403A CN 2012101264915 A CN2012101264915 A CN 2012101264915A CN 201210126491 A CN201210126491 A CN 201210126491A CN 103378403 A CN103378403 A CN 103378403A
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- 238000009434 installation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The invention relates to a railway vehicle antenna installation device and an installation method of the railway vehicle antenna installation device. The railway vehicle antenna installation device comprises an antenna, and further comprises an installing base which is fixedly connected with a vehicle body. The antenna and the installing base are connected through a height adjustment mechanism. The height adjustment mechanism comprises a transition base and an adjustment base, wherein the transition base and the adjustment base are connected with each other, the transition base is fixedly connected with the installing base, the antenna is fixedly connected to the adjustment base, and the adjustment base moves up and down relative to the transition base in the height direction so as to realize the height adjustment of the antenna. The railway vehicle antenna installation device is simple in overall structure, light in weight and low in manufacturing cost; the height adjustment of the antenna is simple and fast; the complex process that the number of gaskets is increased or reduced to adjust the height of the antenna in the past is ended, and the height adjustment process of the antenna off the vehicle body is simplified; integrated installation is realized, and secondary dismounting and mounting in later adjustment are avoided; the manufacturing and installation period is shortened, labor intensity is lowered for workers, and later maintenance is facilitated.
Description
Technical field
The present invention relates to a kind of antenna mounting device, particularly a kind of for the antenna mounting device on the rail vehicle and installation method thereof, belong to the rail vehicle design field.
Background technology
Antenna equipment is arranged in the locomotive equipment cabin dispersedly under the car of current track rolling stock, owing to receive in the more stable height regional extent of signal demand and rail maintenance, so antenna is installed in the vehicle manufacturing front needs that dispatch from the factory and measures exactly height value with track, its height tolerance requires to be 5mm, as long as exceed the scope of standard value+5mm, will judge that the antenna installation does not meet requirement for height, thereby need to readjust antenna height.
In 201120008188.6 Chinese patent " a kind of antenna mounting device ", disclose a kind of antenna mounting device of rail vehicle take the patent No., wherein, highly regulated and realize by the Height Adjustment pad.This mounting means need to be pulled down antenna from mount pad, adding or minimizing pad are regulated height between mount pad and antenna, are to carry out behind the car that falls and dismantle antenna this moment, and it is very inconvenient to operate, and also is unfavorable for the care and maintenance in later stage.When rolling stock carries out assembly, consider the dimensional discrepancy that errors at different levels and car body amount of deflection cause, the location dimension of antenna can not accurately be determined, randomness is larger, when mounted, can only carry out pre-installation to antenna, adjusting height process is very complicated, length consuming time, and workman's labour intensity is very large.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of simple to operation, can simplify the total assembling flow path of car load, realizes the one installation, reduces rail vehicle antenna mounting device and the installation method thereof of workman's labour intensity.
For achieving the above object, technical scheme of the present invention is:
A kind of rail vehicle antenna mounting device, comprise antenna, also comprise the mount pad that is fixedly connected with car body, be connected by height adjustment mechanism between described antenna and the described mount pad, described height adjustment mechanism comprises interconnective transition seat and adjustment seat, described transition seat is fixedly connected with described mount pad, and described antenna is fixedly connected on the described adjustment seat, and described adjustment seat moves up and down to realize the height adjusting of described antenna with respect to described transition seat along short transverse.
Further, relatively move that on described transition seat and the described adjustment seat intermeshing tooth is realized by being separately positioned between described transition seat and the described adjustment seat.
Further, the section of described transition seat is L-type, is provided with at least one first field of conjugate action at a side of described transition seat, is provided with at least one and intermeshing second field of conjugate action of described first field of conjugate action in described adjustment seat.
Further, lock relative position by at least one first set bolt between described transition seat and the described adjustment seat.
Further, have the first bolt hole at first field of conjugate action of described transition seat, correspondence has the second bolt hole on second field of conjugate action of described adjustment seat, and described the first bolt hole or the second bolt hole are to prolong short transverse to extend the slotted hole that is used for regulating height.
Further, described adjustment seat is fixedly connected with described antenna by connector, is provided be used at least one installing hole that is fixedly connected with described antenna at described connector.
Further, described installing hole is to prolong the slotted hole that horizontal direction is extended.
Further, described connector is the inverted U structure, and the second set bolt passes the described installing hole of described connector dual-side, and described antenna is fixedly connected on described the second set bolt.
Another technical scheme of the present invention is:
A kind of installation method of rail vehicle antenna mounting device comprises the steps:
Mount pad is fixed on the car body;
Transition seat is fixedly connected on the described mount pad;
By the first set bolt described transition seat and adjustment seat being carried out pretension fixes;
Antenna is fixedly connected on the described adjustment seat;
After car load falls car, accurately measure described lower antenna surface apart from the height of rail level;
Unclamp described the first set bolt, described adjustment seat is moved up and down with respect to described transition seat, and then regulate described antenna height, when reaching requirement for height, tighten described the first set bolt, described adjustment seat and described transition seat are locked, finish antenna and install.
Further, relatively move that on described transition seat and the described adjustment seat intermeshing tooth is realized by being separately positioned between described transition seat and the described adjustment seat.
Content to sum up, a kind of rail vehicle antenna mounting device of the present invention and installation method thereof, overall structure is simple, lightweight, low cost of manufacture, and the form that meshes by profile of tooth links together signal antenna and car body under the car in the rail vehicle safely and effectively.This device is by the variation of upper lower tooth position, height to antenna is regulated, the simple and fast so that the adjusting antenna height becomes, be through with and regulate the complex process of height in the past by adding and subtracting pad, simplified antenna height adjusting flow process under the car, realize the one installation, secondary when avoiding the later stage to regulate removes and installs, shorten and make installation period, reduce workman's labour intensity, and be conducive to the maintaining in later stage.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the I partial enlarged drawing of Fig. 1;
Fig. 4 is transition seat structural representation of the present invention;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is adjustment seat structural representation of the present invention;
Fig. 7 is that the C of Fig. 6 is to view.
Such as Fig. 1 to shown in Figure 7, antenna 1, mount pad 2, height adjustment mechanism 3, transition seat 4, adjustment seat 5, first field of conjugate action, 6, the first bolts hole, 7, the first set bolts, 8, the second fields of conjugate action 9, connector 10, the second bolts hole 11, installing hole 12, the second set bolts 13, beam 14, bolt 15, bolt 16.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of rail vehicle antenna mounting device, comprise antenna 1, antenna 1 is installed under the car, in order stably to receive signal, the lower surface of antenna 1 should be strict controlled in the prescribed limit apart from the height of rail level, and in the present embodiment, the lower surface of antenna 1 is 155 ± 5mm apart from the height of rail level.
As depicted in figs. 1 and 2, this device also comprises mount pad 2, and mount pad 2 is metal frame posture structure, and mount pad 2 is fixedly mounted on the beam 14 of vehicle bottom by the bolt 15 at top, is connected by height adjustment mechanism 3 between antenna 1 and the mount pad 2.
As shown in Figure 2, height adjustment mechanism 3 comprises transition seat 4 and adjustment seat 5, and transition seat 4 is fixedly mounted on the bottom of mount pad 2, and adjustment seat 5 is connected with transition seat 4, and antenna 1 is fixedly connected on the below of adjustment seat 5.As shown in Figure 3, be fixedly connected with by the first horizontal set bolt 8 between adjustment seat 5 and the transition seat 4.
As shown in Figure 4 and Figure 5, the cross section of transition seat 4 is L-type, the side of its level is fixedly connected with by the bottom of bolt 16 with mount pad 2, be provided with at least one first field of conjugate action 6 on its vertical side, structure needs according to antenna 1, in order to fixedly secure antenna 1, at transition seat two first fields of conjugate action 6 are set, on first field of conjugate action 6, laterally be placed with a plurality of teeth.First field of conjugate action 6 can be integrally formed on transition seat 4, and as shown in Figure 5, in the present embodiment, first field of conjugate action 6 is that discrete item is welded on the transition seat 4, and manufacturing process is relatively simple like this.
As shown in Figure 4, be provided with two the first bolts hole 7 at transition seat 4, for easy to adjust, the first bolt hole 7 is just opened the position at first field of conjugate action 6.The first bolt hole 7 can be circular hole or slotted hole, and in the present embodiment, the first bolt hole 7 is circular hole, only passes for the first set bolt 8, is used for limiting the position of the first set bolt 8.
As shown in Figure 6 and Figure 7, adjustment seat 5 is elongated, is provided with at least one and first field of conjugate action, 6 intermeshing second fields of conjugate action 9 in adjustment seat 5, laterally is placed with a plurality of teeth on second field of conjugate action 9.Second field of conjugate action 9 of adjustment seat 5 and first field of conjugate action 6 of transition seat 4 are moved up and down under intermeshing state, variation by upper lower tooth position, can realize highly regulating, the displacement that moves up and down of regulating and controlling seat 5 preferably, the simple and fast so that adjusting antenna 1 highly becomes, the complex process that is through with in the past and regulates height by the plus-minus pad has been simplified under the car antenna 1 and has highly been regulated flow process.
Cooperate with first field of conjugate action 6, in the present embodiment, two second fields of conjugate action 9 are set equally.The bottom of two second fields of conjugate action 9 links together by a horizontal connector 10.
As shown in Figure 6, be provided with two the second bolts hole 11 in adjustment seat 5, for easy to adjust, the second bolt hole 11 is just opened the position at second field of conjugate action 9.The second bolt hole 11 can be circular hole or slotted hole, in the present embodiment, and the slotted hole that the second bolt hole 11 extends for prolonging short transverse, pass for the first set bolt 8, and be used for adjustment seat 5 and move up and down, regulating the height of antenna 1, and can limit the left and right displacement of adjustment seat 5.When adjusting to the height of requirement, only need to adjustment seat 5 and transition seat 4 can be locked by tightening the first set bolt 8.Adjust antenna 1 such as need, only need to unscrew the first set bolt 8 and get final product, realized the one installation, the secondary to this device when avoiding the later stage to regulate removes and installs, and shortens and makes installation period, reduces workman's labour intensity, and is conducive to the maintaining in later stage.
As shown in Figure 6, be correspondingly provided with two installing holes 12 at connector 10, the slotted hole that installing hole 12 extends for prolonging horizontal direction in order to the installation site of the horizontal direction of regulating antenna 1, uses the installation of antenna 1 more simple and convenient.
As shown in Figure 7, connector 10 is the inverted U structure, passes the second set bolt 13 in the installing hole 12 of the correspondence of connector 10 dual-sides, antenna 1 is hung on the second set bolt 13, like this, can increase the versatility of this device, to cooperate antenna 1 equipment of difference in functionality.
Convenient for operating repairs, have access door for maintenance at the end plate of the equipment compartment corresponding with antenna 1 installation site, make things convenient for the workman to operate.
The below describes the installation method of this device in detail, specifically comprises the steps:
Step 1, the bolt 15 of mount pad 2 by the top is fixedly mounted on the beam 14 of vehicle bottom.
Step 2, the horizontal side of transition seat 4 is fixedly connected on the bottom of mount pad 2 by bolt 16.
Step 3, first field of conjugate action 6 on the transition seat 4 and second field of conjugate action 9 on adjustment seat is connected connected relatively two teeth on the field of conjugate action are meshed fully, the first set bolt 8 is passed the first bolt hole 7 and the second bolt hole 11, tighten the first set bolt 8, transition seat 4 and adjustment seat 5 are carried out pretension fix.
In this initial pretension step, the setting height(from bottom) of antenna 1 needn't be considered in the random fixed position between secured adjusted seat 5 and the transition seat 4.
When reaching the requirement for height of regulation, again the first set bolt 8 to be tightened, and then adjustment seat 5 and transition seat 5 are locked, the setting height(from bottom) of antenna 1 is also determined at this point.By the thrust of the first set bolt 8, antenna 1 is fixedly secured on mount pad 2.
If step 7 needs the position of the horizontal direction of adjustment antenna 1 this moment, can unclamp the second set bolt 13, suitably regulate the fixed position of two the second set bolts 13, tighten again the second set bolt 13.
So far, the installation process of antenna 1 is all finished.
As mentioned above, given scheme content can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.
Claims (10)
1. rail vehicle antenna mounting device, comprise antenna, it is characterized in that: also comprise the mount pad that is fixedly connected with car body, be connected by height adjustment mechanism between described antenna and the described mount pad, described height adjustment mechanism comprises interconnective transition seat and adjustment seat, described transition seat is fixedly connected with described mount pad, and described antenna is fixedly connected on the described adjustment seat, and described adjustment seat moves up and down to realize the height adjusting of described antenna with respect to described transition seat along short transverse.
2. rail vehicle antenna mounting device according to claim 1 is characterized in that: relatively move that on described transition seat and the described adjustment seat intermeshing tooth is realized by being separately positioned between described transition seat and the described adjustment seat.
3. rail vehicle antenna mounting device according to claim 2, it is characterized in that: the section of described transition seat is L-type, side at described transition seat is provided with at least one first field of conjugate action, is provided with at least one and intermeshing second field of conjugate action of described first field of conjugate action in described adjustment seat.
4. rail vehicle antenna mounting device according to claim 3 is characterized in that: lock relative position by at least one first set bolt between described transition seat and the described adjustment seat.
5. rail vehicle antenna mounting device according to claim 4, it is characterized in that: first field of conjugate action at described transition seat has the first bolt hole, correspondence has the second bolt hole on second field of conjugate action of described adjustment seat, and described the first bolt hole or the second bolt hole are to prolong short transverse to extend the slotted hole that is used for regulating height.
6. rail vehicle antenna mounting device according to claim 1, it is characterized in that: described adjustment seat is fixedly connected with described antenna by connector, is provided be used at least one installing hole that is fixedly connected with described antenna at described connector.
7. rail vehicle antenna mounting device according to claim 6 is characterized in that: described installing hole is to prolong the slotted hole that horizontal direction is extended.
8. rail vehicle antenna mounting device according to claim 7, it is characterized in that: described connector is the inverted U structure, and the second set bolt passes the described installing hole of described connector dual-side, and described antenna is fixedly connected on described the second set bolt.
9. the installation method of a rail vehicle antenna mounting device as claimed in claim 1 is characterized in that, comprises the steps:
Mount pad is fixed on the car body;
Transition seat is fixedly connected on the described mount pad;
By the first set bolt described transition seat and adjustment seat being carried out pretension fixes;
Antenna is fixedly connected on the described adjustment seat;
After car load falls car, accurately measure described lower antenna surface apart from the height of rail level;
Unclamp described the first set bolt, described adjustment seat is moved up and down with respect to described transition seat, and then regulate described antenna height, when reaching requirement for height, tighten described the first set bolt, described adjustment seat and described transition seat are locked, finish antenna and install.
10. installation method according to claim 9 is characterized in that: relatively moving by being separately positioned on described transition seat and described accent between described transition seat and the described adjustment seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126491.5A CN103378403B (en) | 2012-04-27 | 2012-04-27 | Railway vehicle antenna installation device and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126491.5A CN103378403B (en) | 2012-04-27 | 2012-04-27 | Railway vehicle antenna installation device and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103378403A true CN103378403A (en) | 2013-10-30 |
| CN103378403B CN103378403B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210126491.5A Active CN103378403B (en) | 2012-04-27 | 2012-04-27 | Railway vehicle antenna installation device and installation method thereof |
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| CN (1) | CN103378403B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015111578A1 (en) | 2015-07-16 | 2017-01-19 | Bombardier Transportation Gmbh | MOUNTING FOR ANTENNAS |
| DE102016121363A1 (en) | 2016-11-08 | 2018-05-09 | Bombardier Transportation Gmbh | Bracket for antennas |
| CN108281749A (en) * | 2018-01-23 | 2018-07-13 | 宫长河 | A kind of train for railway traffic communication identifies antenna |
| CN109676567A (en) * | 2018-11-28 | 2019-04-26 | 西安华运天成通讯科技有限公司 | A kind of communication antenna Intelligent Installation equipment and its installation method |
| EP4199248A1 (en) * | 2021-12-17 | 2023-06-21 | SpeedInnov | Antenna mounting device, related assembly and public transport vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931809A (en) * | 1988-06-06 | 1990-06-05 | Sony Corporation | Mounting assembly for satellite transmitting antenna |
| JP2003224414A (en) * | 2003-01-20 | 2003-08-08 | Mitsubishi Electric Corp | Millimeter-wave planar antenna |
| CN201260513Y (en) * | 2008-04-30 | 2009-06-24 | 武亚青 | Freely adjustable bracket |
| CN201584488U (en) * | 2009-12-18 | 2010-09-15 | 中国航空无线电电子研究所 | Installing and positioning support frame of annulet antenna |
| CN101933711A (en) * | 2010-08-27 | 2011-01-05 | 封晏 | Table with lifting device |
| CN201956450U (en) * | 2011-01-12 | 2011-08-31 | 南车株洲电力机车有限公司 | Antenna installation device |
| CN202013936U (en) * | 2011-02-24 | 2011-10-19 | 靖江国信通信有限公司 | Compact antenna installing support |
| CN202564534U (en) * | 2012-04-27 | 2012-11-28 | 南车青岛四方机车车辆股份有限公司 | Antenna installing apparatus for railway vehicles |
-
2012
- 2012-04-27 CN CN201210126491.5A patent/CN103378403B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931809A (en) * | 1988-06-06 | 1990-06-05 | Sony Corporation | Mounting assembly for satellite transmitting antenna |
| JP2003224414A (en) * | 2003-01-20 | 2003-08-08 | Mitsubishi Electric Corp | Millimeter-wave planar antenna |
| CN201260513Y (en) * | 2008-04-30 | 2009-06-24 | 武亚青 | Freely adjustable bracket |
| CN201584488U (en) * | 2009-12-18 | 2010-09-15 | 中国航空无线电电子研究所 | Installing and positioning support frame of annulet antenna |
| CN101933711A (en) * | 2010-08-27 | 2011-01-05 | 封晏 | Table with lifting device |
| CN201956450U (en) * | 2011-01-12 | 2011-08-31 | 南车株洲电力机车有限公司 | Antenna installation device |
| CN202013936U (en) * | 2011-02-24 | 2011-10-19 | 靖江国信通信有限公司 | Compact antenna installing support |
| CN202564534U (en) * | 2012-04-27 | 2012-11-28 | 南车青岛四方机车车辆股份有限公司 | Antenna installing apparatus for railway vehicles |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015111578A1 (en) | 2015-07-16 | 2017-01-19 | Bombardier Transportation Gmbh | MOUNTING FOR ANTENNAS |
| EP3121091A1 (en) | 2015-07-16 | 2017-01-25 | Bombardier Transportation GmbH | Holder for antennas |
| DE102016121363A1 (en) | 2016-11-08 | 2018-05-09 | Bombardier Transportation Gmbh | Bracket for antennas |
| CN108281749A (en) * | 2018-01-23 | 2018-07-13 | 宫长河 | A kind of train for railway traffic communication identifies antenna |
| CN109676567A (en) * | 2018-11-28 | 2019-04-26 | 西安华运天成通讯科技有限公司 | A kind of communication antenna Intelligent Installation equipment and its installation method |
| EP4199248A1 (en) * | 2021-12-17 | 2023-06-21 | SpeedInnov | Antenna mounting device, related assembly and public transport vehicle |
| FR3131104A1 (en) * | 2021-12-17 | 2023-06-23 | Speedinnov | Antenna attachment device, assembly and associated public transport vehicle |
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| Publication number | Publication date |
|---|---|
| CN103378403B (en) | 2015-06-24 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |