CN211524269U - Lifting tower and mobile base station - Google Patents
Lifting tower and mobile base station Download PDFInfo
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- CN211524269U CN211524269U CN201921862089.7U CN201921862089U CN211524269U CN 211524269 U CN211524269 U CN 211524269U CN 201921862089 U CN201921862089 U CN 201921862089U CN 211524269 U CN211524269 U CN 211524269U
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Abstract
The utility model discloses a lifting tower and portable basic station, include: the tower body comprises a base, a first tower frame and a top frame, the first tower frame is arranged in the base and can extend out of the base or retract into the base, the top frame is arranged in the first tower frame and can extend out of the first tower frame or retract into the first tower frame, the base is rotatably provided with a first pulley, the first tower frame is rotatably provided with a second pulley, a third pulley and a fourth pulley, and the top frame is rotatably provided with a fifth pulley; the lifting device comprises a winding device and a traction rope, the first end of the traction rope is wound on a winding drum of the winding device, the second end of the traction rope is connected to the base after sequentially passing through the first pulley, the second pulley, the third pulley, the fifth pulley and the fourth pulley, and the winding drum of the winding device can wind the traction rope so as to enable the top frame to extend out of the first tower frame and enable the first tower frame to extend out of the base. The utility model discloses a lifting tower simple structure, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the communication equipment technique and specifically relates to a lifting tower and portable basic station are related to.
Background
At present, although there is also the lifting tower for satisfy the demand that communication operator built the station fast, however, between the multisection tower body of current lifting tower, what adopted is many sets of elevating gear, and this makes lifting tower structure complicated, and the cost of manufacture is high, and the operation is inconvenient during the lift, and lifting tower's whole weight is big, and the transportation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lifting tower can use one set of elevating gear to accomplish that whole lifting tower extends or contracts, simple structure, convenient to use.
The utility model discloses still provide a portable basic station.
In a first aspect, an embodiment of the present invention provides a lifting tower, including:
the tower body comprises a base, a first tower and a top frame, wherein the first tower is arranged in the base and can extend out of the base or retract into the base, the top frame is arranged in the first tower and can extend out of the first tower or retract into the first tower, a first pulley is rotatably arranged on the base, a second pulley, a third pulley and a fourth pulley are rotatably arranged on the first tower, and a fifth pulley is rotatably arranged on the top frame;
the lifting device comprises a winding device and a traction rope, the first end of the traction rope is wound on a winding drum of the winding device, the second end of the traction rope is connected to the base after sequentially passing through the first pulley, the second pulley, the third pulley, the fifth pulley and the fourth pulley, and the winding drum of the winding device can wind the traction rope so that the top frame extends out of the first tower frame and the first tower frame extends out of the base.
The utility model discloses the lift tower has following beneficial effect at least: first pylon can retract to in the base, and the second pylon can retract to in first pylon, from this, conveniently carries out folding transportation, through hoisting device and haulage rope, can once only realize stretching out of roof-rack follow first pylon to and stretching out of first pylon follow base, easy operation can accomplish the extension of lift tower fast, and overall structure is simple, and the cost of manufacture is low.
According to the utility model discloses a lifting tower of other embodiments, the body of the tower still includes the second pylon, first pylon is arranged in the second pylon, and can follow stretch out in the second pylon, or retract in the second pylon, the second pylon is arranged in the base, and can follow stretch out in the base, or retract in the base, be provided with sixth pulley and seventh pulley on the second pylon, the second end of haulage rope loops through first pulley, sixth pulley, seventh pulley, second pulley, third pulley, fifth pulley and fourth pulley, hoisting device the winding reel can wind the haulage rope, so that the roof-rack stretches out from in the second pylon, and makes the second pylon stretch out from in the first pylon.
According to the utility model discloses a lifting tower of other embodiments, elevating gear still includes elastic element, locating part and limit switch, the first end of locating part with haulage rope fixed connection, the second end of locating part can be close to limit switch, and then trigger limit switch, elastic element can give one of locating part is kept away from limit switch's elastic force.
According to the utility model discloses a lifting tower of other embodiments, elastic element is compression spring, the compression spring cover is established outside the locating part, compression spring's one end with the base supports and holds, compression spring's the other end with the locating part supports and holds.
According to other embodiments of the present invention, the base and the first tower can be fixed by fastening.
According to the utility model discloses a lifting tower of other embodiments, the second pulley is provided with two, two the second pulley is located respectively first pylon is close to the both ends of one side of base.
According to the utility model discloses a lifting tower of other embodiments, the base with first pylon all is the cuboid form, the base cover is established outside first pylon.
According to other embodiments of the present invention, the lifting tower further comprises a winch or a winch.
In a second aspect, an embodiment of the present invention provides a mobile base station, which includes the above-mentioned lifting tower, and a communication device is fixed on the top frame.
The utility model discloses portable basic station has following beneficial effect at least: the communication device on the top frame can be quickly lifted through the winding device and the traction rope, and the establishment of the temporary communication station is completed.
According to other embodiments of the present invention, the mobile base station further comprises a communication device.
Drawings
Fig. 1 is an isometric view of a mobile base station of a first embodiment;
FIG. 2 is an enlarged schematic view of region I of FIG. 1;
fig. 3 is an isometric view of another angle of the mobile base station of fig. 1;
fig. 4 is a front view of the mobile base station of fig. 1;
fig. 5 is a top view of the mobile base station of fig. 1;
fig. 6 is a schematic view illustrating an elevating principle of the mobile base station of fig. 1.
Detailed Description
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1 to 5, fig. 1 is an isometric view of a mobile base station of a first embodiment, fig. 2 is an enlarged schematic view of a region i in fig. 1, fig. 3 is an isometric view of another angle of the mobile base station in fig. 1, fig. 4 is a front view of the mobile base station in fig. 1, and fig. 5 is a top view of the mobile base station in fig. 1. The mobile base station of the present embodiment includes a millimeter wave communication device 100, a tower 200 and a lifting device 300, wherein, the tower body 200 and the lifting device 300 form a lifting tower, the tower body 200 comprises a base 210, a second tower 240, a first tower 220 and a top frame 230, the base 210, the second tower 240, the first tower 220 and the top frame 230 are arranged from bottom to top in sequence, the top frame 230 is arranged in the first tower 220, and the top frame 230 can extend out from the first tower 220, or retracted into the first tower 220, in a similar manner, the first tower 220 is disposed within the second tower 240, and the first tower 220 may be extended from the second tower 240, or retracted into, second tower 240 is positioned in base 210, and second tower 240 may be extended from base 210, or retracted into the base 210, and the millimeter wave communication device 100 is fixed to the upper end of the top frame 230, and the fixing manner may be fastening members such as bolts.
In this embodiment, the base 210, the second tower 240, the first tower 220, and the top frame 230 are all rectangular frames, and are formed by splicing angle steels, the base 210 is sleeved outside the second tower 240, and a gap exists between the base 210 and the second tower 240, and the base 210 plays a role in limiting and guiding the second tower 240, so that the second tower 240 can only move up and down relative to the base 210, and similarly, the first tower 220 is sleeved outside the top frame 230, and a gap exists between the first tower 220 and the top frame 230.
In another embodiment, the base 210, the second tower 240, the first tower 220 and the top frame 230 may also be triangular frames made of round steel, and the base 210 is sleeved outside the second tower 240, and a gap exists between the base 210 and the second tower 240, so that the second tower 240 can also move in the up-and-down direction relative to the base 210, and the first tower 220 and the top frame 230 are the same.
Referring to fig. 1, 2, 3 and 6, it should be noted that fig. 6 is a schematic diagram of the mobile base station of the present embodiment, and a partially overlapping intermediate tower is omitted to briefly explain the principle. The lifting device 300 includes a winding device 310, a traction rope 320, a limiting member 330, a limiting switch 340, a pulley block 350 and an elastic element, the pulley block 350 includes a first pulley 351, a second pulley 352, a third pulley 353, a fourth pulley 354, a fifth pulley 355, a sixth pulley 356, a seventh pulley 357 and an eighth pulley 358, wherein the first pulley 351 is rotatably disposed at the upper left corner of the base 210 (see fig. 6), the rotational connection can be realized by fixing a rotational shaft on the base 210, the first pulley 351 is sleeved on the rotational shaft, the second pulley 352 is rotatably disposed at the lower side of the first tower 220, the third pulley 353 is rotatably disposed at the upper left corner of the first tower 220 (see fig. 6), the fourth pulley 354 is rotatably disposed at the upper right corner of the first tower 220 (see fig. 6), the fifth pulley 355 is disposed at the lower side of the top frame 230, the sixth pulley 356 is rotatably disposed at the lower side of the second tower 240, the seventh pulley 357 is rotatably provided at the upper right corner of the second tower 240 (refer to fig. 6), and the eighth pulley 358 is rotatably provided at the upper right corner of the base 210 (refer to fig. 6).
The winding device 310 includes a winding drum 311 (see fig. 5), one end of the traction rope 320 is wound on the winding drum 311, and the other end of the traction rope 320 is first wound on a first pulley 351, then sequentially wound on a sixth pulley 356, a seventh pulley 357, a second pulley 352, a third pulley 353, a fifth pulley 355, a fourth pulley 354, and an eighth pulley 358, and finally connected to the base 210, wherein the fifth pulley 355 is used for supporting the top frame 230, the second pulley 352 is used for supporting the first tower 220, the sixth pulley 356 is used for supporting the second tower 240, and the eighth pulley 358 is used for spreading the traction rope 320 and preventing the traction rope 320 from rubbing against the tower body 320.
From this, drive the winding reel 311 through hoisting device 310 and rotate, winding reel 311 coils haulage rope 320, haulage rope 320 is taut gradually, the roof-rack 230 will stretch out from first pylon 220, first pylon 220 will stretch out from second pylon 240, second pylon 240 will stretch out from base 210, through one set of hoisting device 310, realized stretching out of roof-rack 230, first pylon 220 and second pylon 240 promptly, overall structure is simple, the cost of manufacture is low, once only realize the extension of mobile base station, and convenient operation.
When the pulling rope 320 is wound around the pulley block 350, the pulling rope 320 can be pre-tensioned by the gravity of each tower of the tower body 350, that is, when the pulling rope 320 is wound, each tower of the tower body 350 is slightly lifted, so that the pulling rope 320 can be prevented from falling off from the pulley block 350.
In this embodiment, after the top frame 230 is extended from the first tower frame 220 to a certain position, the top frame 230 and the first tower frame 220 can be locked and fixed by fasteners such as bolts to prevent the top frame 230 from loosening, and similarly, after the second tower frame 240 is extended from the base frame 210 to a certain position, the second tower frame 240 and the base frame 210 can also be locked and fixed by fasteners such as bolts, when the tower body 200 is extended, the top frame 230 is first raised, then the towers nested inside and outside are sequentially raised, that is, the first tower frame 220 is raised behind the top frame 230, then the tower frame between the first tower frame 220 and the second tower frame 240 is raised, and the second tower frame 240 is finally raised.
In the present embodiment, two second pulleys 352 are provided, and two second pulleys 352 are provided at both ends of the lower side of first tower 220 (see fig. 6), respectively, so that the force applied to first tower 220 can be more balanced.
In another embodiment, there may be one second pulley 352, in which case, the second pulley 352 is disposed at a middle position of the lower side of the first tower 220, and one second pulley 352 is engaged with the second tower 240 (based on the structure shown in fig. 6), so as to lift and lower the first tower 220, and similarly, there is one fifth pulley 355 and one sixth pulley 356.
In the present embodiment, the second tower 240 is mainly used to increase the overall height of the mobile base station after being extended, and referring to fig. 1, two additional towers having a similar structure (i.e., a rectangular parallelepiped frame) and a similar configuration (provided with one each of the sixth pulley 356 and the seventh pulley 357) as the second tower 240 are provided, thereby enabling the mobile base station to reach a predetermined height after being extended.
In further embodiments, the second tower 240, sixth pulley 356, and seventh pulley 357 may be eliminated as needed by the mobile base station height.
In this embodiment, the hauling cable 320 is a steel cable, and in the case that the height of the mobile base station is low, a hemp rope can be used as the hauling cable 320.
In other embodiments, millimeter-wave communication device 100 may be replaced with communication devices in other bands.
In this embodiment, the winding device 310 is a winding machine, referring to fig. 1 and 2, in order to prevent the winding machine from excessively winding the traction rope 320, which causes damage to the winding machine or the pulley block 350, a limiting member 330, a limiting switch 340, the pulley block 350 and an elastic element are provided, in this embodiment, the limiting member 330 is a stud with a threaded upper end, the elastic element is a compression spring, one end of the traction rope 320, which is far away from the winding machine, is fixed at the upper end of the stud, the fixing manner can be realized by using a hanging piece, one end of the traction rope 320, which is far away from the winding machine, penetrates through a hole at the upper end of the hanging piece, the lower end of the hanging piece abuts against the stud through a first nut (after the first nut is screwed, the upper end of the stud abuts against the hanging piece, and the hanging piece abuts against the lower end of the first nut), the stud penetrates through a hole of the base 210 and can move up and down, the upper end of the compression spring abuts against the base 210, and the compression spring abuts against the stud through the second nut, so that the compression spring gives an elastic force for downward movement to the stud, and the limit switch 340 is fixed on the base 210.
Therefore, when each tower of the tower body 200 extends in place, if the winch continues to wind the traction rope 320, the traction rope 320 overcomes the elastic force of the compression spring to drive the stud to move upwards to trigger the limit switch 340, and after receiving a signal of the limit switch 340, the power-on circuit of the winch can be disconnected, so that the winch, the traction rope 320 and the pulley block 350 are protected.
In other embodiments, the hoisting device 310 is a winch.
In another embodiment, the elastic element may also be an extension spring, which is different from the embodiment in that the lower end of the extension spring is fixed on the base 210, the upper end of the extension spring is fixedly connected with the limiting member 330, and the limiting member 330 triggers the limiting switch 340 after moving upward.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A lift tower, comprising:
the tower body comprises a base, a first tower and a top frame, wherein the first tower is arranged in the base and can extend out of the base or retract into the base, the top frame is arranged in the first tower and can extend out of the first tower or retract into the first tower, a first pulley is rotatably arranged on the base, a second pulley, a third pulley and a fourth pulley are rotatably arranged on the first tower, and a fifth pulley is rotatably arranged on the top frame;
the lifting device comprises a winding device and a traction rope, the first end of the traction rope is wound on a winding drum of the winding device, the second end of the traction rope is connected to the base after sequentially passing through the first pulley, the second pulley, the third pulley, the fifth pulley and the fourth pulley, and the winding drum of the winding device can wind the traction rope so that the top frame extends out of the first tower frame and the first tower frame extends out of the base.
2. The lifting tower according to claim 1, wherein the tower body further comprises a second tower, the first tower is disposed in the second tower and can be extended from or retracted into the second tower, the second tower is disposed in the base and can be extended from or retracted into the base, a sixth pulley and a seventh pulley are disposed on the second tower, the second end of the traction rope passes through the first pulley, the sixth pulley, the seventh pulley, the second pulley, the third pulley, the fifth pulley and the fourth pulley in sequence, and the winding drum of the winding device can wind the traction rope so that the head frame is extended from the second tower and the second tower is extended from the first tower.
3. The lifting tower according to claim 1, wherein the lifting device further comprises an elastic element, a limiting member and a limiting switch, a first end of the limiting member is fixedly connected with the traction rope, a second end of the limiting member can be close to the limiting switch to trigger the limiting switch, and the elastic element can give an elastic force to the limiting member away from the limiting switch.
4. The lift tower of claim 3, wherein the resilient member is a compression spring, the compression spring is sleeved outside the position-limiting member, one end of the compression spring abuts against the base, and the other end of the compression spring abuts against the position-limiting member.
5. The lift tower of claim 1, wherein the base and the first tower are securable by a fastener.
6. The lifting tower of claim 1, wherein there are two of the second pulleys, and the two second pulleys are respectively located at both ends of a side of the first tower near the base.
7. The lift tower of claim 1, wherein the base and the first tower are each rectangular parallelepiped shaped, the base fitting outside the first tower.
8. A lifting tower according to claim 1, wherein the hoisting device is a winch or a winch.
9. A mobile base station comprising a tower as claimed in any one of claims 1 to 8, wherein a communication means is secured to the head frame.
10. The mobile base station of claim 9, wherein the communication device is a millimeter wave communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862089.7U CN211524269U (en) | 2019-10-31 | 2019-10-31 | Lifting tower and mobile base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862089.7U CN211524269U (en) | 2019-10-31 | 2019-10-31 | Lifting tower and mobile base station |
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| Publication Number | Publication Date |
|---|---|
| CN211524269U true CN211524269U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921862089.7U Active CN211524269U (en) | 2019-10-31 | 2019-10-31 | Lifting tower and mobile base station |
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| CN (1) | CN211524269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135760A (en) * | 2021-12-06 | 2022-03-04 | 四川省建筑科学研究院有限公司 | Remote control formula building monitoring facilities strutting arrangement |
-
2019
- 2019-10-31 CN CN201921862089.7U patent/CN211524269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135760A (en) * | 2021-12-06 | 2022-03-04 | 四川省建筑科学研究院有限公司 | Remote control formula building monitoring facilities strutting arrangement |
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