CN204885415U - Large -scale vehicle antenna electric lift platform - Google Patents
Large -scale vehicle antenna electric lift platform Download PDFInfo
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- CN204885415U CN204885415U CN201520539757.8U CN201520539757U CN204885415U CN 204885415 U CN204885415 U CN 204885415U CN 201520539757 U CN201520539757 U CN 201520539757U CN 204885415 U CN204885415 U CN 204885415U
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Abstract
The utility model discloses a large -scale vehicle antenna electric lift platform, including large -scale vehicle antenna, tray and antenna elevating gear, antenna elevating gear include transmission power device, perpendicular supporting in the body four corners of railway carriage or compartment drive screw and fix the transmission nut in end of tray board four corners, it is rotatory that the power of motor - speed reducer combination output drives 4 drive screw through 4 driving sprocket in step, the large -scale vehicle antenna that 4 transmission nut of rethread drove on the trays goes up and down. Be equipped with drive chain overspeed device tensioner at drive chain's middle part, close and become middle part in -line, the bifid dual tensioning pattern in both ends with the drive chain tensioning including two sets of symmetry settings, 3 one -tenth trefoil formation tensioning chain wheel group in the every group. The utility model discloses transmission structure is simple, low in manufacturing cost, the utility model discloses a dual tensioning knot has solved overlength drive chain and be difficult to the tensioning, a difficult problem that drops easily improves the reliability that large -scale vehicle antenna electric lift platform goes up and down.
Description
Technical field
The utility model relates to a kind of car antenna lowering or hoisting gear, and the large-scale car antenna hoistable platform that particularly a kind of width is larger, belongs to car antenna technical field.
Background technology
The Main Function of car antenna electric lifting platform is after operationally antenna being risen from compartment top and is fixed in compartment top, is dropped in envelope by antenna, and be fixed on envelope base plate when transporting and collect.In car antenna lifting process, go back the tray top of demand fulfillment car antenna bottom without ponding, compartment is water-tight.Existing car antenna electric lifting platform mechanical transmission mechanism is complicated, disclosed in CN2037060626U, car antenna hoistable platform is arranged in the automobile shelter in skylight, four right-angular drive gearboxes are arranged on shelter horizonal base plate, satellite earth antenna is arranged on horizontal platen, horizontal platen is connected with drive unit, four right-angular drive gearboxes that drive unit has power transmission shaft to be connected, there is screw the corner of horizontal platen respectively, the power shaft of gear box is crossed transmission case and is connected with motor, second and the 3 two right-angular drive gearbox have horizontal output shaft respectively, the bevel gear be meshed is connected with between power transmission shaft in right-angular drive gearbox.During use, the horizontal input shaft rotation of second and the 3 two right-angular drive gearbox is driven with motor, and driven the power shaft rotation of first and the 4 two right-angular drive gearbox, and then drive four right-angular drive gearboxes screw rod output shaft synchronous vertically upward to rotate, four right-angular drive gearboxes screw rod output shaft synchronous vertically upward rotates and can drive horizontal platen elevating movement, and horizontal platen elevating movement can drive antenna to be elevated.Be transmission device with right-angular drive gearbox, be the direct drive unit of horizontal platen with screw rod, nut, this car antenna hoistable platform has rational in infrastructure, and lifting is convenient, good stability, the advantages such as anti-jitter, wind loading rating are strong.But, this defect such as car antenna hoistable platform also exists complex structure, manufacturing cost is high, inconvenient maintenance.Particularly when for the car antenna lifting platform of width more than 3 meters, be difficult to adopt above-mentioned drive mechanism.
Utility model content
In order to overcome existing antenna electric lifting platform complex structure, shortcoming that manufacturing cost is high, the utility model provides a kind of structure simple and is applicable to move hoistable platform compared with the large-scale vehicle-mounted antenna electric of Wide antenna lifting, improve the stability of electric lifting platform transmission process, thus improve the reliability of electric lifting platform lifting.
The utility model is achieved by the following technical programs.
A kind of large-scale vehicle-mounted antenna electric moves hoistable platform, and comprise large-scale car antenna, pallet and antenna hoisting gear, described large-scale car antenna lower end is fixedly connected with pallet upper end, and tray substrate is connected with antenna hoisting gear; Described antenna hoisting gear comprises drive screw in envelope corner of transfer motion power device, vertical support and is fixed on the transmission nut of tray substrate corner, and 4 drive screws and transmission nut match one by one and screw; Described transfer motion power device comprises motor-speed reducer combination and chain drive, motor-speed reducer combination vertical is fixed on envelope base plate one jiao, speed reducer output shaft is engaged with the driven gear being fixed on adjacent drive screw lower end by driving gear fixed thereon, 4 drive screw lower ends are respectively equipped with drive sprocket, 4 drive sprockets walked around by the driving chain closed, synchronously drive 4 drive screws to rotate by 4 drive sprockets the power of motor-speed reducer array output, then drive the large-scale car antenna lifting on pallet by 4 transmission nuts; Be provided with tensioning device for transmission chain at the middle part of driving chain, comprise two groups and be symmetrical arranged, often organize the combination of 3 triangularities arrangement tightener sprockets, driving chain tensioning is become middle part in-line, two ends fork-shaped dual tensioning pattern.
The purpose of this utility model can also be realized further by following technical measures.
Aforesaid large-scale vehicle-mounted antenna electric moves hoistable platform, wherein said tightener sprocket combination comprises tightener sprocket, vertical shaft, tightener sprocket bearing and base, tightener sprocket is supported on vertical shaft upper end by tightener sprocket bearing, and vertical shaft lower end is fixed on the upside of base, and Its lower side is fixed on envelope base plate.Multiple anti-chain vibrations block is symmetricly set in the middle part of driving chain.
Aforesaid large-scale vehicle-mounted antenna electric moves hoistable platform, also be provided with proof mechanism of water, described proof mechanism of water comprises waterproof back-up ring and water-proof sealing strip, tray substrate surrounding is provided with waterproof back-up ring vertically upward, water-proof sealing strip is pasted onto waterproof back-up ring stop portion, when pallet rises to car body top, water-proof sealing strip top is extruded by inside compartment roof.
Aforesaid large-scale vehicle-mounted antenna electric moves hoistable platform, also be provided with drainage mechanism, described drainage mechanism comprises pipe joint, transparent hose and drainage flange, pipe joint is through tray substrate, be fixed on pallet, drainage flange is fixed on compartment diapire, and transparent hose upper end is connected with pipe joint lower end, and transparent hose lower end is docked with drainage flange.
The utility model is adopted motor-speed reducer combination driving drive sprocket to rotate and is rotated by its excess-three of driving chain Synchronous Transmission drive sprocket, thus make the drive screw synchronous axial system in envelope corner, driven the lifting of large-scale car antenna by pallet, drive mechanism be simple, low cost of manufacture.The utility model adopts often organizes the dual tension structure that tightener sprocket is combined into triangle setting, the tightener sprocket combination being particularly positioned at triangular apex increases driving chain to the cornerite of drive sprocket and normal pressure, solve overlength driving chain and be difficult to tensioning, hold a caducous difficult problem, improve the reliability improving electric lifting platform lifting.
The utility model feature, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model raised configuration;
Fig. 2 is the structural representation of transfer motion power device;
Fig. 3 is running part structural representation of the present invention;
Fig. 4 is the structure for amplifying schematic diagram of tightener sprocket combination;
Fig. 5 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 6 is the B-B cutaway view Amplified image of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model comprises large-scale car antenna 1, pallet 2 and antenna hoisting gear 3, and large-scale car antenna 1 lower end is fixed on pallet 2 upper end of welding structural element, and tray substrate 21 is connected with antenna hoisting gear 3; Transmission nut 33,4 drive screws 32 that antenna hoisting gear 3 comprises drive screw 32 in envelope 4 four jiaos of transfer motion power device 31, vertical support and is fixed on tray substrate 21 4 jiaos match one by one with transmission nut 33 and screw.Transfer motion power device 31 comprises motor-speed reducer combination 311 and chain drive 312, motor-speed reducer 311 combination vertical is fixed on envelope base plate 41 1 jiaos, speed reducer output shaft is engaged with the driven gear 314 being fixed on adjacent drive screw 32 lower end by driving gear 313 fixed thereon, 4 drive screw 32 lower ends are respectively equipped with drive sprocket 315, 4 drive sprockets 315 walked around by the driving chain 316 closed, power motor-speed reducer combination 311 exported synchronously drives 4 drive screws 32 to rotate by 4 drive sprockets 315, the large-scale car antenna 1 vertically movement on pallet 2 is driven again by 4 transmission nuts 33, motor rotates forward, car antenna 1 rises, otherwise car antenna 1 declines.
As shown in Figure 3, tensioning device for transmission chain 5 is provided with at the middle part of driving chain 315, described tensioning device for transmission chain 5 is arranged in the middle part of driving chain 316, comprise two groups to be symmetrical arranged, often organize 3 triangularity arrangement tightener sprockets combination 51, driving chain 316 tensioning is become middle part in-line, the dual tension structure pattern of two ends fork-shaped, namely except in the middle part of driving chain 316 bilateral symmetry be provided with except 2 tightener sprockets combination 51 as triangle base two ends, between two drive sprockets 315, be also provided with 1 tightener sprocket combination 51 as triangular apex, the cornerite and normal pressure that strengthen driving chain 316 pairs of drive sprockets 315 can be reached.10 anti-chain vibrations blocks 52 are symmetricly set in the middle part of driving chain 316, prevent the vertical tremor of driving chain 316 in transmission process.Tightener sprocket combination 51 and anti-chain vibrations block 52 solve overlength driving chain and are difficult to tensioning, hold a caducous difficult problem.
As shown in Figure 4, tightener sprocket combination 51 comprises tightener sprocket 511, vertical shaft 512, tightener sprocket bearing 513 and base 514, tightener sprocket 511 is supported on vertical shaft 512 upper end by tightener sprocket bearing 515, vertical shaft 512 lower end is fixed on on the upside of the base 514 of inversion flute profile, base 514 is welded steel structure part, is weldingly fixed on envelope base plate 41 on the downside of it.
The utility model is also provided with proof mechanism of water 6 and drainage mechanism 7, as shown in Figure 5, proof mechanism of water 6 comprises waterproof back-up ring 61 and water-proof sealing strip 62, tray substrate 41 surrounding is provided with waterproof back-up ring 61 vertically upward, water-proof sealing strip 62 is pasted onto waterproof back-up ring 61 stop portion, when pallet 2 rises to car body top, sealing function is played by extruding inside compartment roof 9 in water-proof sealing strip 62 top, and rainwater can be avoided to enter in envelope.
As shown in Figure 6, drainage mechanism 7 comprises pipe joint 71, transparent hose 72 and drainage flange 73, pipe joint 71 is through tray substrate 21, be fixed on tray substrate 41, drainage flange 73 is fixed on platform floor 41, transparent hose 72 upper end is connected with pipe joint 71 lower end, and lower end is docked with drainage flange 73.When pallet 2 rises to car body top, when rainwater drenches into pallet 2, by the pipe joint 71 on pallet 2, connect drainage flange 73 through transparent hose 72 and rainwater is discharged to outside compartment.
Large-scale car antenna 1 rises to put in place or decline and puts in place all spacing by travel switch, large-scale car antenna 1 is locked in rise to put in place or the extreme position put in place that declines, guarantees its use safety.
As shown in Figure 3, the utility model manual transmission 8 of meeting an urgent need is arranged on outside the drive screw 32 in Fig. 2 upper right corner, by being separately fixed at the engagement of a pair bevel gear of drive screw 32 and manual transmission axle 81 termination, make the rotation of manual transmission axle 81 that drive screw 32 can be driven to rotate, drive the drive sprocket 315 being fixed on this drive screw 32 lower end to rotate, then drive all the other 3 drive sprockets 315 to rotate by the driving chain 316 closed.When electric power system power-off, hand crank can be utilized to drive manual transmission axle 81 to rotate, make 4 drive screw 32 synchronous axial system, realize the lifting of large-scale car antenna 1, manual transmission, as a kind of miscellaneous function of the present utility model, is guarantee that large-scale car antenna 1 is elevated stable reliable guarantee.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (5)
1. large-scale vehicle-mounted antenna electric moves a hoistable platform, comprises large-scale car antenna, pallet and antenna hoisting gear, and described large-scale car antenna lower end is fixedly connected with pallet upper end, and tray substrate is connected with antenna hoisting gear, described antenna hoisting gear comprises drive screw in envelope corner of transfer motion power device, vertical support and is fixed on the transmission nut of tray substrate corner, and 4 drive screws and transmission nut match one by one and screw, it is characterized in that, described transfer motion power device comprises motor-speed reducer combination and chain drive, motor-speed reducer combination vertical is fixed on envelope base plate one jiao, speed reducer output shaft is engaged with the driven gear being fixed on adjacent drive screw lower end by driving gear fixed thereon, 4 drive screw lower ends are respectively equipped with drive sprocket, 4 drive sprockets walked around by the driving chain closed, 4 drive screws are synchronously driven to rotate by 4 drive sprockets the power of motor-speed reducer array output, the large-scale car antenna lifting on pallet is driven again by 4 transmission nuts, be provided with tensioning device for transmission chain at the middle part of driving chain, comprise two groups and be symmetrical arranged, often organize the combination of 3 triangularities arrangement tightener sprockets, driving chain tensioning is become middle part in-line, two ends fork-shaped dual tensioning pattern.
2. large-scale vehicle-mounted antenna electric according to claim 1 moves hoistable platform, it is characterized in that, described tightener sprocket combination comprises tightener sprocket, vertical shaft, tightener sprocket bearing and base, tightener sprocket is supported on vertical shaft upper end by tightener sprocket bearing, vertical shaft lower end is fixed on the upside of base, and Its lower side is fixed on envelope base plate.
3. large-scale vehicle-mounted antenna electric according to claim 1 moves hoistable platform, it is characterized in that, multiple anti-chain vibrations block is symmetricly set in the middle part of driving chain.
4. large-scale vehicle-mounted antenna electric according to claim 1 moves hoistable platform, it is characterized in that, also be provided with proof mechanism of water, described proof mechanism of water comprises waterproof back-up ring and water-proof sealing strip, tray substrate surrounding is provided with waterproof back-up ring vertically upward, sealing strip is pasted onto waterproof back-up ring stop portion, and when pallet rises to car body top, sealing strip top is extruded by inside compartment roof.
5. large-scale vehicle-mounted antenna electric according to claim 1 moves hoistable platform, it is characterized in that, also be provided with drainage mechanism, described drainage mechanism comprises pipe joint, transparent hose and drainage flange, pipe joint is through tray substrate, and be fixed on pallet, drainage flange is fixed on envelope base plate platform floor, transparent hose upper end is connected with pipe joint lower end, and transparent hose lower end is docked with drainage flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539757.8U CN204885415U (en) | 2015-07-24 | 2015-07-24 | Large -scale vehicle antenna electric lift platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539757.8U CN204885415U (en) | 2015-07-24 | 2015-07-24 | Large -scale vehicle antenna electric lift platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204885415U true CN204885415U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520539757.8U Expired - Fee Related CN204885415U (en) | 2015-07-24 | 2015-07-24 | Large -scale vehicle antenna electric lift platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204885415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993218A (en) * | 2015-07-24 | 2015-10-21 | 江苏捷诚车载电子信息工程有限公司 | Large vehicle antenna electric lifting platform |
| CN112406679A (en) * | 2019-08-21 | 2021-02-26 | 赵建国 | Cabin hard compartment lifting box body and supporting device thereof |
-
2015
- 2015-07-24 CN CN201520539757.8U patent/CN204885415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993218A (en) * | 2015-07-24 | 2015-10-21 | 江苏捷诚车载电子信息工程有限公司 | Large vehicle antenna electric lifting platform |
| CN112406679A (en) * | 2019-08-21 | 2021-02-26 | 赵建国 | Cabin hard compartment lifting box body and supporting device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160724 |