CN220182643U - Structure of single-screw multi-round-tube sequentially-telescopic mechanical lifting rod - Google Patents
Structure of single-screw multi-round-tube sequentially-telescopic mechanical lifting rod Download PDFInfo
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- CN220182643U CN220182643U CN202321937024.0U CN202321937024U CN220182643U CN 220182643 U CN220182643 U CN 220182643U CN 202321937024 U CN202321937024 U CN 202321937024U CN 220182643 U CN220182643 U CN 220182643U
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Abstract
The utility model provides a structure of a single-screw multi-round-tube sequentially telescopic mechanical lifting rod, which comprises a tube body and a telescopic driving device; the pipe body is provided with N pipes with axes on the same straight line and diameters from large to small, the bottom pipes are fixed on the base, gaps are reserved between adjacent pipes, and sliding isolation sleeves fixed on the inner pipes are arranged between the adjacent pipes; the inner walls of the bottom pipe, the top pipe and the inner pipe are provided with axial guide keys, and the sliding isolation sleeves at the lower ends of the top pipe and the inner pipe are provided with guide grooves matched with the guide keys; the telescopic driving device can drive the plurality of pipes to extend or shorten; the multi-round-tube sequentially telescopic mechanical lifting rod is provided with a tube body and a telescopic driving device and also provided with a tube-to-tube interlocking device; the upper ends of the bottom tube and the inner tube of the single-screw multi-round tube sequentially telescopic mechanical lifting rod are provided with annular sleeves. The utility model has the advantages that: the principle structure is simple, safe, reliable and stable, has a certain weight lifting capacity, and is suitable for rapidly erecting equipment such as antennas or lighting lamps.
Description
Technical Field
The utility model relates to the field of lifting equipment, in particular to a structure of a single-screw multi-round-tube sequentially telescopic mechanical lifting rod.
Background
At present, in engineering construction, equipment such as an antenna or a lighting lamp is quickly erected, the existing scheme is generally complicated in structure, heavy, or too simple to provide safe and reliable support, and in order to achieve safety and reliability, the lifting device is convenient to use and needs to be reasonable in structure.
Disclosure of Invention
The utility model aims to realize safety and reliability, has certain weight lifting capacity, and particularly provides a structure of a single-screw multi-round-tube sequentially telescopic mechanical lifting rod.
The utility model provides a structure of a single-screw multi-round-tube sequentially telescopic mechanical lifting rod, which is characterized in that: the structure of the single-wire multi-round-tube sequentially telescopic mechanical lifting rod comprises a tube body and a telescopic driving device; the pipe body is provided with N pipes with axes on the same straight line and diameters of which are sleeved together from large to small, one pipe at the outermost part is a bottom pipe 1, one pipe at the innermost part is a top pipe 8, the other pipes are inner pipes, the bottom pipe 1 is fixed on a base 15, gaps are reserved between adjacent pipes, and a sliding isolation sleeve fixed on an inner pipe is arranged between the adjacent pipes;
the plurality of tubes sleeved together are round tubes, in order to prevent the round tubes from rotating when the rod body stretches, the inner walls of the bottom tube 1, the top tube 8 and the inner tube are provided with axial guide keys 17, and the sliding isolation sleeves at the lower ends of the top tube 8 and the inner tube are provided with guide grooves matched with the guide keys 17;
the telescopic driving device can drive the plurality of pipes to extend or shorten; the multi-round-tube sequentially telescopic mechanical lifting rod is provided with a tube body and a telescopic driving device and also provided with a tube-to-tube interlocking device 10;
the driving device of the single-screw multi-round-tube sequentially telescopic mechanical lifting rod is provided with a screw 13 in the lower end tube of the jacking tube 8 and the inner tube, a screw 16 with the axis on the same straight line with the axis of the plurality of round tubes in the jacking tube 8 on the base 15, a screw thread section matched with the screw 13 in the lower end tube of the jacking tube 8 and the inner tube on the upper section of the screw 16, the lower end of the screw 16 is a rotary power input end, and the lower end of the screw 16 is connected with a motor through a speed reducing device;
the bottom tube 1 of single-screw multi-tube telescopic mechanical lifting rod and the upper end of the inner tube are provided with annular sleeves 9, an inter-tube interlocking device 10 is arranged between each annular sleeve 9 and the annular sleeve 9 at the upper end of the adjacent inner tube, each inter-tube interlocking device 10 is provided with an inter-tube axial connecting device and an inter-tube radial connecting device, when the multi-tube telescopic mechanical lifting rod is sequentially telescopic, the inter-tube axial connecting devices can ensure that the tubes are sequentially telescopic one by one, and when one tube is driven to be telescopic in place, the inter-tube radial connecting devices can drive adjacent outer tubes to be telescopic.
The single-screw multi-round-tube sequentially telescopic mechanical lifting rod comprises a shortened state that a jacking tube 8 and an inner tube descend into a bottom tube 1 and an extended state that the jacking tube 8 and the inner tube extend out from the bottom tube 1. In a shortened state, only a nut 13 at the inner lower end of the jacking pipe 8 is screwed on a threaded section at the upper section of the lead screw 16 by a single lead screw and multiple round pipes in sequence;
in the extended state, only the nut 13 in the lower end pipe of the Nth inner pipe adjacent to the outer sleeve is screwed on the thread section at the upper end of the screw rod 16.
The N pipes are 5-10 in N.
When the single-screw 16 multi-tube telescopic mechanical lifting rod is in a shortened state to an extended state, a motor is used for driving the screw 16 to rotate positively, the screw 16 is used for driving the jacking pipe 8 to stretch out, after the jacking pipe 8 stretches out, a pipe-pipe interlocking device 10 between the lower section of the jacking pipe 8 and the annular sleeve 9 at the upper end of the first inner tube is used for connecting the jacking pipe 8 with the first inner tube, after the jacking pipe 8 continues to stretch out, the first inner tube is driven to release the axial lock to stretch out, so that a screw 13 at the inner lower end of the first inner tube is screwed on a threaded section at the upper section of the screw 16, the first inner tube is connected with the jacking pipe 8 to stretch out, and then the screw 13 at the inner lower end of the jacking pipe 8 is separated from the lead screw 16 to stretch out continuously. And the second inner tube and the third inner tube … … are sequentially extended in the same extending process, so that the single-screw 16 multi-tube telescopic mechanical lifting rod is completed to an extending state.
When the single screw 16 multi-tube telescopic mechanical lifting rod is in an extended state to a shortened state, the motor drives the screw 16 to reversely rotate, and the inner tube is sequentially retracted through the reverse process, so that the single screw 16 multi-tube telescopic mechanical lifting rod is completed in the shortened state.
The utility model has the advantages that:
the structure of the single-screw multi-round-tube sequentially telescopic mechanical lifting rod is simple in principle and structure, safe, reliable and stable, has a certain weight lifting capacity, and is suitable for equipment such as an antenna or a lighting lamp to be quickly erected.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic view of a single-wire multi-tube telescoping mechanical lifter in a main cross section; the sectional view is the contracted state of the lifting rod;
fig. 2 is a front sectional view of the push pipe 8;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic view of a main sectional split of the inner tube;
fig. 5 is a schematic cross-sectional view of fig. 4.
Detailed Description
Example 1
In fig. 1-5, the single lead screw 16 multi-tube telescopic mechanical lifting rod is provided with a base 15, eight tubes with axes on the same straight line and diameters sleeved together from large to small are arranged on the base 15, one of the eight tubes is a bottom tube 1, the other tube is a top tube 8, the other is a first inner tube 7, a second inner tube 6, a third inner tube 5, a fourth inner tube 4, a fifth inner tube 3 and a sixth inner tube 2, the bottom tube 1 is fixed on the base 15, gaps are reserved between adjacent tubes, the bottom tube 1, the top tube 8 and the inner walls of the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 3 and the sixth inner tube 2 are provided with guide keys 17 along the axial direction, the upper ends of the bottom tube 1, the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3 and the sixth inner tube 2 are provided with annular upper guide sleeves 9 and 18, the upper guide sleeves 18 have two functions, one function is a guide function, and the other function is a function that the upper joint is a guide sleeve is driven by the upper joint of the upper joint tube to move to the adjacent guide plate 14 to the lower joint segment of the lead screw 16. The lower ends of the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3 and the sixth inner tube 2 are provided with circular limiting sleeves 12, the circumferential outer wall of each limiting sleeve 12 is provided with guide grooves 19 matched with the guide keys 17, the lower end of each jacking tube 8 is provided with an inner thread 13 and an outer convex edge 20, and the edges of the outer convex edges 20 are provided with guide grooves 19 matched with the guide keys 17.
In the jacking pipe 8, a screw rod 16 with the axis on the same line with the axis of the circular pipe is arranged, the upper section of the screw rod 16 is provided with a thread section matched with the jacking pipe 8, the first inner pipe 7, the second inner pipe 6, the third inner pipe 5, the fourth inner pipe 4, the fifth inner pipe 3 and the screw nut 13 in the lower end pipe of the sixth inner pipe 2, the lower end of the screw rod 16 is a rotary power input end, and the lower end of the screw rod 16 is connected with a motor through a speed reducer.
The bottom tube 1 of the single lead screw multi-tube sequentially telescopic mechanical lifting rod, the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3 and the sixth inner tube 2 are provided with annular sleeves 9 at the upper ends, inter-tube interlocking devices 10 are arranged between the annular sleeves 9 and the upper end annular sleeves 9 of the adjacent inner tubes, the inter-tube interlocking devices 10 are provided with inter-tube axial connecting devices 10 and inter-tube radial connecting devices 11, when the multi-tube sequentially stretches, the inter-tube axial connecting devices 10 can ensure that the tubes sequentially stretch one by one, and when one tube is driven to stretch, the inter-tube radial connecting devices 11 can drive the adjacent outer tubes to stretch.
The single-screw multi-round-tube sequentially telescopic mechanical lifting rod comprises a push pipe 8, a first inner tube 7, a second inner tube 6, a third inner tube 5, a fourth inner tube 4, a fifth inner tube 3 and a sixth inner tube 2, which are in a shortened state in the bottom tube 1, and an extended state in which the push pipe 8, the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3 and the sixth inner tube 2 extend out of the bottom tube 1. In the shortened state, only the screw 13 at the lower end in the jacking pipe 8 is screwed on the threaded section at the upper section of the screw 16, and in the extended state, only the screw 13 in the lower end pipe of the first inner pipe 2 adjacent to the bottom pipe 1 is screwed on the threaded section at the upper end of the screw 16.
When the single screw rod 16 and the multi-round tube telescopic mechanical lifting rod are in a shortened state to an extended state, the screw rod 16 is driven by a motor to rotate positively, the screw rod 16 is driven to rotate so as to drive the push pipe 8 to extend, after the push pipe 8 extends, after the push pipe 8 walks in place, the lower end contact piece 14 of the push pipe 8 pushes the axial connecting device 10 in the upper end annular sleeve 9 of the first inner tube 7 open and unlocks, the lower end contact piece 14 is simultaneously engaged with the guide sleeve 18 at the upper end of the first inner tube 7, the first inner tube 7 is supported, meanwhile, the inter-tube radial interlocking device 1011 between the lower section of the push pipe 8 and the annular sleeve 9 at the upper end of the first inner tube connects the push pipe 8 with the first inner tube 7, after the push pipe 8 continues to extend, the first inner tube 7 is driven to release the axial interlocking device 10, the screw 13 at the lower end in the first inner tube 7 is screwed on the screw thread section at the upper section of the screw rod 16, the first inner tube 7 and 8 are connected together to extend, and then the screw 13 at the lower end in the first inner tube 8 is separated from the upper end annular sleeve 9, and the push pipe continues to extend. The second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3 and the sixth first inner tube 2 are sequentially extended in the same extending process, so that the single-screw 16 multi-tube telescopic mechanical lifting rod is completed to an extending state.
When the single screw rod 16 and the multi-tube telescopic mechanical lifting rod are in the extended state to the shortened state, the screw rod 16 is driven by a motor to reversely rotate, and the first inner tube 7, the second inner tube 6, the third inner tube 5, the fourth inner tube 4, the fifth inner tube 3, the sixth inner tube 2 and the jacking tube 8 are sequentially retracted through the reverse process, so that the single screw rod 16 and the multi-tube telescopic mechanical lifting rod are completed to the shortened state.
Claims (3)
1. A structure of a single-screw multi-round-tube sequentially-telescopic mechanical lifting rod is characterized in that: the structure of the single-wire multi-round-tube sequentially telescopic mechanical lifting rod comprises a tube body and a telescopic driving device; the pipe body is provided with N pipes with axes on the same straight line and diameters of which are sleeved together from large to small, one pipe at the outermost part is a bottom pipe (1), one pipe at the innermost part is a top pipe (8), the other pipes are inner pipes, the bottom pipe (1) is fixed on a base (15), gaps are reserved between adjacent pipes, and a sliding isolation sleeve fixed on an inner pipe is arranged between the adjacent pipes; the inner walls of the bottom pipe (1), the top pipe (8) and the inner pipe are provided with axial guide keys (17), and the sliding isolation sleeves at the lower ends of the top pipe (8) and the inner pipe are provided with guide grooves matched with the guide keys (17); the telescopic driving device can drive the plurality of pipes to extend or shorten; the multi-round-tube sequentially telescopic mechanical lifting rod is provided with a tube body and a telescopic driving device and also provided with a tube-to-tube interlocking device (10); the driving device of the single-screw multi-round-tube sequentially telescopic mechanical lifting rod is provided with a screw nut (13) in a pipe jacking pipe (8) and the lower end tube of the inner tube, a screw rod (16) with the axis on the same straight line with the axis of the plurality of round tubes in the pipe jacking pipe (8) on a base (15), a screw thread section matched with the screw nut (13) in the pipe jacking pipe (8) and the lower end tube of the inner tube at the upper section of the screw rod (16), the lower end of the screw rod (16) is a rotary power input end, and the lower end of the screw rod (16) is connected with a motor through a speed reducing device.
2. The structure of the single-screw multi-round-tube sequential telescopic mechanical lifting rod according to claim 1, wherein the structure is characterized in that: the single-wire multi-round-tube sequentially telescopic mechanical lifting rod is characterized in that the bottom tube (1) and the upper end of the inner tube of the single-wire multi-round-tube sequentially telescopic mechanical lifting rod are provided with annular sleeves (9), a tube-to-tube interlocking device (10) is arranged between each annular sleeve (9) and the annular sleeve (9) at the upper end of the adjacent inner tube, the tube-to-tube interlocking device (10) is provided with a tube-to-tube axial connecting device and a tube-to-tube radial connecting device, and in a shortened state, only a screw nut (13) at the inner lower end of the top tube (8) is screwed on a threaded section of the upper section of the screw rod (16);
in the extended state, only the nut (13) in the lower end pipe of the Nth inner pipe adjacent to the outer sleeve is screwed on the thread section at the upper end of the screw rod (16).
3. The structure of the single-screw multi-round-tube sequential telescopic mechanical lifting rod according to claim 1, wherein the structure is characterized in that: the N pipes are 5-10 in N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321937024.0U CN220182643U (en) | 2023-07-22 | 2023-07-22 | Structure of single-screw multi-round-tube sequentially-telescopic mechanical lifting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321937024.0U CN220182643U (en) | 2023-07-22 | 2023-07-22 | Structure of single-screw multi-round-tube sequentially-telescopic mechanical lifting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220182643U true CN220182643U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321937024.0U Active CN220182643U (en) | 2023-07-22 | 2023-07-22 | Structure of single-screw multi-round-tube sequentially-telescopic mechanical lifting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220182643U (en) |
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2023
- 2023-07-22 CN CN202321937024.0U patent/CN220182643U/en active Active
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