CN210379390U - Novel antenna goes up and down device - Google Patents
Novel antenna goes up and down device Download PDFInfo
- Publication number
- CN210379390U CN210379390U CN201921110922.2U CN201921110922U CN210379390U CN 210379390 U CN210379390 U CN 210379390U CN 201921110922 U CN201921110922 U CN 201921110922U CN 210379390 U CN210379390 U CN 210379390U
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- box body
- connecting rod
- driving unit
- rotating shaft
- pawl
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- 238000004804 winding Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model provides a novel antenna lifting device, which comprises a plurality of barrels, a box body, a driving unit and a winding roller, wherein the adjacent barrels are nested and connected in a sliding way, the box body is fixedly arranged on the barrel body at the outermost side, the driving unit and the winding roller are both arranged in the box body, and the winding roller is rotationally connected with the box body; the driving unit drives the winding roller to rotate; a steel wire rope is wound on the winding drum and connected with the drum body on the outermost side; the winding device further comprises a connecting rod, one end of the connecting rod is in threaded connection with the driving unit, and the other end of the connecting rod is in sliding connection with the winding drum. The utility model discloses a connecting rod reaches rather than complex transmission shaft and stopper, realizes the limited function of barrel limit stroke, can prevent that first pivot from continuing to rotate after the barrel reachs extreme position, avoids excessively dragging wire rope and leads to wire rope to damage or life-span to shorten.
Description
Technical Field
The utility model relates to an antenna equipment field especially relates to a novel antenna lift device.
Background
The antenna is widely applied to the fields of wireless base stations, monitoring, military and the like as common communication equipment, and the outdoor antenna is usually matched with an antenna lifting mechanism for use. The antenna lifting mechanism is a lifting device for an elevated antenna, and can lift the load on the top of the antenna to a specified height. The antenna lifting mechanism usually adopts a hand-cranking mode to drive the steel wire rope to lift and further drive the antenna to lift, corresponding limitation is mostly not lacked at the extreme position, a user always packs the antenna at an initial position or raises the antenna to the extreme position and then continues to rotate forwards or backwards, so that the steel wire rope and the steel wire rope assembly bear extra tensile force, the time is long, the service life of the steel wire rope can be greatly reduced, and potential safety hazards exist for the antenna user.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a novel antenna elevating system with function is injectd to position.
The technical scheme of the utility model is realized like this: a novel antenna lifting device comprises a plurality of barrels (1), a box body (2), a driving unit (3) and a winding roller (4), wherein the adjacent barrels (1) are nested and connected in a sliding mode, the box body (2) is fixedly arranged on the barrel (1) on the outermost side, the driving unit (3) and the winding roller (4) are both arranged in the box body (2), and the winding roller (4) is rotatably connected with the box body (2); the driving unit (3) drives the winding roller (4) to rotate; a steel wire rope is wound on the winding drum (4) and is connected with the drum body (1) on the outermost side; the method is characterized in that: the winding device is characterized by further comprising a connecting rod (5), one end of the connecting rod (5) is in threaded connection with the driving unit (3), and the other end of the connecting rod (5) is in sliding connection with the winding drum (4).
On the basis of the technical scheme, preferably, the winding drum (4) comprises a transmission shaft (42), and two ends of the transmission shaft (42) are hinged with the box body (2); two limiting blocks (43) are arranged on the transmission shaft (42), the two limiting blocks (43) are fixedly connected with the transmission shaft (42), and the connecting rod (5) is connected with the transmission shaft (42) between the two limiting blocks (43) in a sliding manner.
Preferably, the position where the connecting rod (5) abuts against one limiting block (43) corresponds to the position where each cylinder (1) is located at the lowest point, and the position where the connecting rod (5) abuts against the other limiting block (43) corresponds to the position where each cylinder (1) rises to the highest point.
Preferably, the box body (2) is provided with a first window (21), and the length of the first window (21) is matched with the distance between the two limit blocks (43).
Further preferably, the driving unit (3) comprises a first rotating shaft (31), and two ends of the first rotating shaft (31) are hinged with the box body (2); the surface of one end, close to the cylinder body (1), of the first rotating shaft (31) is provided with external threads, one end, connected with the first rotating shaft (31), of the connecting rod (5) is provided with internal threads, and the connecting rod (5) is in threaded connection with the first rotating shaft (31).
Further preferably, the transmission shaft (42) is further provided with a second toothed disc (41), the first rotating shaft (31) is provided with a first toothed disc (32), and the first toothed disc (32) is meshed with the second toothed disc (41).
Preferably, the box body (2) is provided with a second window (22), one end of the steel wire rope is fixedly connected with the winding drum (4), and the other end of the steel wire rope penetrates through the second window (22) and extends into the outermost cylinder body (1) and is fixedly connected with the inner surface of the cylinder body (1) far away from the first rotating shaft (31).
Still further preferably, a ratchet wheel (7) is arranged on the first rotating shaft (31), and the ratchet wheel (7) is connected with the first rotating shaft (31); a fixing rod (23) is arranged in the box body (2), the fixing rod (23) is fixedly connected with the box body (2), a pawl (24) is arranged at one end, away from the box body (2), of the fixing rod (23), the pawl (24) is hinged with the fixing rod (23), a tension spring (25) is further arranged on the pawl (24), one end of the tension spring (25) is fixedly connected with the pawl (24), and the other end of the tension spring (25) is fixedly connected with the box body (2); the pawl (24) is abutted against the ratchet wheel (7).
Still further preferably, a shifting rod (26) is arranged on the pawl (24), the shifting rod (26) is fixedly connected with the pawl (24), a third window (27) is arranged on the box body (2), the shifting rod (26) penetrates through the third window (27) and extends outwards, and the shifting rod (26) is connected with the third window (27) in a sliding mode.
On the basis of the technical scheme, preferably, a handle (6) is arranged at one end, far away from the barrel body (1), of the driving unit (3), and the handle (6) is fixedly connected with the driving unit (3).
On the basis of the above technical solution, preferably, the first rotating shaft (31) is further provided with a one-way damping unit (8), and the one-way damping unit (8) comprises a first fixing ring (81), a second fixing ring (82), a first gasket (83) and a second gasket (84); the first fixing ring (81) and the second fixing ring (82) are oppositely arranged on the first rotating shaft (31) at two sides of the ratchet wheel (7), and the first fixing ring (81) and the second fixing ring (82) are fixedly connected with the first rotating shaft (31); a first gasket (83) is arranged between the first fixing ring (81) and the ratchet wheel (7), a second gasket (84) is arranged between the ratchet wheel (7) and the second fixing ring (82), and the first gasket (83) and the second gasket (84) are hinged with the first rotating shaft (31); the first gasket (83) is in contact with the ratchet wheel (7) and the compression ring (85), and the second gasket (84) is in contact with the ratchet wheel (7) and the second fixing ring (82); the first fixing ring (81) is in threaded connection with the first fluted disc (32).
Still more preferably, the first toothed disc (32) rotates relative to the first fixed ring (81), and when the cylinder (1) is lifted, the end face of the first toothed disc (32) abuts against the end face of the first fixed ring (81); when the cylinder body (1) descends, the end face of the first fluted disc (32) is abutted against the end face of the first gasket (83).
Still preferably, the one-way damping unit (8) further comprises a compression ring (85), the compression ring is rotatably or slidably connected with the first fixing ring (81), and an end face of the compression ring (85) abuts against the surface of the first toothed disc (32) or the first gasket (83).
The utility model provides a pair of novel antenna goes up and down device for prior art, has following beneficial effect:
(1) the utility model realizes the limiting function of the limit stroke of the cylinder body through the connecting rod and the transmission shaft and the limiting block which are matched with the connecting rod, can prevent the first rotating shaft from continuing to rotate after the cylinder body reaches the limit position, and avoids the damage of the steel wire rope or the shortening of the service life caused by excessively pulling the steel wire rope;
(2) the connecting rod is driven by the driving unit to rotate relative to the first rotating shaft and slide relative to the transmission shaft, so that the connecting rod runs stably;
(3) the winding drum can take up the steel wire rope or pay out the steel wire rope under the driving of the driving unit, and the effect of lifting the drum body is achieved;
(4) the matching structure of the ratchet wheel and the pawl can ensure that the first rotating shaft can only rotate in one direction, thereby playing the role of preventing falling;
(5) the single damping unit can increase the resistance that the ratchet received when the barrel descends, reduces the rotational speed of first pivot, prevents the potential safety hazard that the barrel descends fast and brings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a novel antenna elevating device of the present invention;
fig. 2 is a front sectional view of the novel antenna lifting device of the present invention;
fig. 3 is a front view of the novel antenna elevating device of the present invention, showing a half-section of the connecting rod, two stoppers, the driving unit, the winding drum and the transmission shaft in combination;
fig. 4 is a right side view of the combination state of the ratchet, the pawl, the fixing rod, the shift lever and the tension spring of the novel antenna lifting device of the present invention;
FIG. 5 is a schematic view of another operating condition of FIG. 3;
fig. 6 is a front view of a one-way damping unit of the novel antenna elevating device of the present invention;
fig. 7 is a front sectional view of the combined state of the cylinder and the wire rope of the novel antenna lifting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 combined with fig. 2 and 3, the utility model provides a novel antenna lifting device, which comprises a plurality of cylinder bodies 1, a box body 2, a driving unit 3, a winding roller 4, a connecting rod 5, a handle 6, a ratchet wheel 7 and a one-way damping unit 8, wherein the adjacent cylinder bodies 1 are nested and slidably connected, the box body 2 is fixedly arranged on the cylinder body 1 at the outermost side, the driving unit 3 and the winding roller 4 are both arranged in the box body 2, and the winding roller 4 is rotatably connected with the box body 2; the driving unit 3 drives the winding roller 4 to rotate; a steel wire rope is wound on the winding drum 4 and connected with the drum body 1 on the outermost side; one end of the connecting rod 5 is connected with the driving unit 3 by screw thread, and the other end of the connecting rod 5 is connected with the winding drum 4 in a sliding way. Because the driving unit 3 is hinged with the box body 2, the connecting rod 5 slides along the winding roller 4 under the driving of the driving unit 3, thereby having the effect of stroke limitation.
As shown in fig. 2, the winding drum 4 comprises a transmission shaft 42, and both ends of the transmission shaft 42 are hinged with the box body 2; two limit blocks 43 are arranged on the transmission shaft 42, the two limit blocks 43 are fixedly connected with the transmission shaft 42, and the connecting rod 5 is connected with the transmission shaft 42 between the two limit blocks 43 in a sliding manner. The transmission shaft 42 of the winding roller 4 is matched to enable the two limit blocks 43 to accurately limit the stroke of the connecting rod 5. The position where the connecting rod 5 abuts against one limiting block 43 corresponds to the position where each cylinder 1 is located at the lowest point, and the position where the connecting rod 5 abuts against the other limiting block 43 corresponds to the position where each cylinder 1 rises to the highest point.
The box body 2 is provided with a first window 21, and the length of the first window 21 is matched with the distance between the two limit blocks 43. Through the first window 21, the operator can easily observe the current position of the link 5.
As shown in fig. 2, the driving unit 3 includes a first rotating shaft 31, and both ends of the first rotating shaft 31 are hinged to the box 2; the surface of the first rotating shaft 31 near one end of the barrel 1 is provided with an external thread, the end of the connecting rod 5 connected with the first rotating shaft 31 is provided with an internal thread, and the connecting rod 5 is in threaded connection with the first rotating shaft 31. The transmission shaft 42 is further provided with a second toothed disc 41, the first rotating shaft 31 is provided with a first toothed disc 32, and the first toothed disc 32 is meshed with the second toothed disc 41. The first shaft 31 can drive the connecting rod 5 to slide along the winding drum 4, while the first shaft 31 drives the winding drum 4 to rotate via the first toothed disc 32.
The box body 2 is provided with a second window 22, one end of the steel wire rope is fixedly connected with the winding drum 4, and the other end of the steel wire rope passes through the second window 22, extends into the outermost cylinder body 1 and is fixedly connected with the inner surface of the cylinder body 1 far away from the first rotating shaft 31. The second window 22 may serve as a passage for the wire rope to wrap around or extend out of the housing 2.
As shown in fig. 7, the outermost cylindrical body 1 is connected to a wire rope wound around the winding drum 4 via a pulley a, a pulley B, a pulley C, and a pulley D, and when the wire rope is pulled, the direction of the force applied by each pulley is changed to lift or lower the adjacent cylindrical body 1, thereby lifting or lowering the cylindrical body 1. Further, a pulley E, a pulley F, a pulley G and a pulley H are sequentially arranged on the inner barrel 1, the driven steel wire rope sequentially penetrates through the pulley E, the pulley F, the pulley G and the pulley H and is fixedly connected with the bottom of the outermost barrel 1, and when the outermost barrel 1 goes up and down, the adjacent barrel 1 can support or lower other inner barrels 1, so that the purpose of going up and down together is achieved. The cross-sectional shape of the cylinder 1 is preferably rectangular.
As shown in fig. 2 in combination with fig. 4 and 5, the first rotating shaft 31 is provided with a ratchet wheel 7, and the ratchet wheel 7 is connected with the first rotating shaft 31; a fixing rod 23 is arranged in the box body 2, the fixing rod 23 is fixedly connected with the box body 2, a pawl 24 is arranged at one end, far away from the box body 2, of the fixing rod 23, the pawl 24 is hinged with the fixing rod 23, a tension spring 25 is further arranged on the pawl 24, one end of the tension spring 25 is fixedly connected with the pawl 24, and the other end of the tension spring 25 is fixedly connected with the box body 2; the pawl 24 abuts against the ratchet 7. The pawl 24 limits the rotation direction of the ratchet wheel 7, realizes the unidirectional rotation of the first rotating shaft 31 and prevents the lifted barrel 1 from falling.
The pawl 24 is provided with a shift lever 26, the shift lever 26 is fixedly connected with the pawl 24, the box body 2 is provided with a third window 27, the shift lever 26 penetrates through the third window 27 and extends outwards, and the shift lever 26 is connected with the third window 27 in a sliding mode. The current position of the driver 26 and the pawl 24 can be observed through the third window 27, and the operating state of the pawl 24 can be switched by adjusting the position of the driver 26.
One end of the driving unit 3 far away from the cylinder 1 is provided with a handle 6, and the handle 6 is fixedly connected with the driving unit 3. The first rotating shaft 31 is driven to rotate by rotating the handle 6, and the barrel 1 can be lifted manually.
As shown in fig. 6, the first rotating shaft 31 is further provided with a one-way damping unit 8, and the one-way damping unit 8 comprises a first fixing ring 81, a second fixing ring 82, a first gasket 83 and a second gasket 84; the first fixing ring 81 and the second fixing ring 82 are oppositely arranged on the first rotating shaft 31 at two sides of the ratchet 7, and the first fixing ring 81 and the second fixing ring 82 are fixedly connected with the first rotating shaft 31; a first gasket 83 is arranged between the first fixing ring 81 and the ratchet 7, a second gasket 84 is arranged between the ratchet 7 and the second fixing ring 82, and both the first gasket 83 and the second gasket 84 are hinged with the first rotating shaft 31; the first washer 83 is in contact with the ratchet 7 and the compression ring 85, and the second washer 84 is in contact with the ratchet 7 and the second fixing ring 82; the first fixing ring 81 is threadedly connected to the first toothed disc 32.
The first fluted disc 32 rotates relative to the first fixing ring 81, and when the cylinder body 1 ascends, the end surface of the first fluted disc 32 is abutted against the end surface of the first fixing ring 81; when the cylinder 1 is lowered, the end surface of the first gear 32 abuts against the end surface of the first pad 83. That is, the first gear 32 has two limit positions on the first fixing ring 81, when the first gear 32 drives the cylinder 1 to ascend, the first gear 32 abuts against the first fixing ring 81, and when the first gear 32 drives the cylinder 1 to descend, in order to reduce the descending speed and prevent accidents, the first gear 32 abuts against the end surface of the first gasket 83, and then the first gasket 83 increases the resistance received by the ratchet 7, thereby realizing the deceleration effect.
In a further improvement, the one-way damping unit 8 further includes a clamp ring 85, the clamp ring is rotatably or slidably connected to the first fixing ring 81, and an end surface of the clamp ring 85 abuts against a surface of the first toothed disc 32 or the first gasket 83. The compression ring 85 can shorten the stroke of the first toothed disc 32 on the first fixed ring 81.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel antenna lifting device comprises a plurality of barrels (1), a box body (2), a driving unit (3) and a winding roller (4), wherein the adjacent barrels (1) are nested and connected in a sliding mode, the box body (2) is fixedly arranged on the barrel (1) on the outermost side, the driving unit (3) and the winding roller (4) are both arranged in the box body (2), and the winding roller (4) is rotatably connected with the box body (2); the driving unit (3) drives the winding roller (4) to rotate; a steel wire rope is wound on the winding drum (4) and is connected with the drum body (1) on the outermost side; the method is characterized in that: the winding device is characterized by further comprising a connecting rod (5), one end of the connecting rod (5) is in threaded connection with the driving unit (3), and the other end of the connecting rod (5) is in sliding connection with the winding drum (4).
2. The novel antenna lifting device as claimed in claim 1, wherein: the winding drum (4) comprises a transmission shaft (42), and two ends of the transmission shaft (42) are hinged with the box body (2); two limiting blocks (43) are arranged on the transmission shaft (42), the two limiting blocks (43) are fixedly connected with the transmission shaft (42), and the connecting rod (5) is connected with the transmission shaft (42) between the two limiting blocks (43) in a sliding manner.
3. A novel antenna elevating device as claimed in claim 2, characterized in that: the position where the connecting rod (5) abuts against one limiting block (43) corresponds to the position where each cylinder (1) is located at the lowest point, and the position where the connecting rod (5) abuts against the other limiting block (43) corresponds to the position where each cylinder (1) rises to the highest point.
4. A novel antenna elevating device as claimed in claim 3, characterized in that: a first window (21) is formed in the box body (2), and the length of the first window (21) is matched with the distance between the two limiting blocks (43).
5. A novel antenna elevating device as claimed in claim 2, characterized in that: the driving unit (3) comprises a first rotating shaft (31), and two ends of the first rotating shaft (31) are hinged with the box body (2); the surface of one end, close to the cylinder body (1), of the first rotating shaft (31) is provided with external threads, one end, connected with the first rotating shaft (31), of the connecting rod (5) is provided with internal threads, and the connecting rod (5) is in threaded connection with the first rotating shaft (31).
6. The novel antenna lifting device as claimed in claim 5, wherein: the transmission shaft (42) is further provided with a second fluted disc (41), the first rotating shaft (31) is provided with a first fluted disc (32), and the first fluted disc (32) is meshed with the second fluted disc (41).
7. The novel antenna lifting device as claimed in claim 6, wherein: and a second window (22) is arranged on the box body (2), one end of the steel wire rope is fixedly connected with the winding drum (4), and the other end of the steel wire rope penetrates through the second window (22) and extends into the outermost side barrel body (1) and is fixedly connected with the inner surface of the barrel body (1) far away from the first rotating shaft (31).
8. The novel antenna lifting device as claimed in claim 5, wherein: the first rotating shaft (31) is provided with a ratchet wheel (7), and the ratchet wheel (7) is connected with the first rotating shaft (31); a fixing rod (23) is arranged in the box body (2), the fixing rod (23) is fixedly connected with the box body (2), a pawl (24) is arranged at one end, away from the box body (2), of the fixing rod (23), the pawl (24) is hinged with the fixing rod (23), a tension spring (25) is further arranged on the pawl (24), one end of the tension spring (25) is fixedly connected with the pawl (24), and the other end of the tension spring (25) is fixedly connected with the box body (2); the pawl (24) is abutted against the ratchet wheel (7).
9. The novel antenna lifting device as claimed in claim 8, wherein: the novel lifting device is characterized in that a shifting rod (26) is arranged on the pawl (24), the shifting rod (26) is fixedly connected with the pawl (24), a third window (27) is arranged on the box body (2), the shifting rod (26) penetrates through the third window (27) and extends outwards, and the shifting rod (26) is connected with the third window (27) in a sliding mode.
10. The novel antenna lifting device as claimed in claim 1, wherein: one end of the driving unit (3) far away from the cylinder body (1) is provided with a handle (6), and the handle (6) is fixedly connected with the driving unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110922.2U CN210379390U (en) | 2019-07-16 | 2019-07-16 | Novel antenna goes up and down device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110922.2U CN210379390U (en) | 2019-07-16 | 2019-07-16 | Novel antenna goes up and down device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210379390U true CN210379390U (en) | 2020-04-21 |
Family
ID=70271782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110922.2U Expired - Fee Related CN210379390U (en) | 2019-07-16 | 2019-07-16 | Novel antenna goes up and down device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210379390U (en) |
-
2019
- 2019-07-16 CN CN201921110922.2U patent/CN210379390U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |