CN211238465U

CN211238465U - Self-rotating lifting rod

Info

Publication number: CN211238465U
Application number: CN202020328931.5U
Authority: CN
Inventors: 朱洪宇; 韦先勇; 刘明辉; 张一民; 隋鄂
Original assignee: Chengdu Changtianhe Technology Co ltd
Current assignee: Chengdu Changtianhe Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-08-11
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a self-rotating lifting rod has the lead screw drive device of body and body, the body has the bottom tube, lead screw drive device includes lead screw and elevator motor, and elevator motor can drive the lead screw rotation through the gear train that sets up in the first gear box of bottom tube below and the power input end cooperation of bottom of the screw, the gear train including adorn in the first driven gear of bottom of the screw power input end and by elevator motor driven first driving gear, the bottom tube can its axis rotate for the axle. The utility model discloses a from rotatory lifter, the bottom tube can its axis rotate for the axle, and then can drive the rotation of whole body, the utility model discloses need not increase position revolving stage, increase lift load on the lifter, also need not take great gyration space with lifter integral mounting on the revolving stage.

Description

Self-rotating lifting rod

Technical Field

The utility model relates to a lifter, specifically speaking relate to a self-rotating lifter.

Background

The lifting rod with certain lifting capacity can be used for quickly erecting communication facilities such as antennas and the like. The basic structure of lifter comprises a pipe body and a lead screw driving device of the pipe body, the pipe body is provided with a plurality of round pipes which are sleeved together from large to small in diameter, the outermost pipe is a bottom pipe, the innermost pipe is a top pipe, other pipes are inner pipes, the lead screw driving device comprises a lead screw and a lead screw driving motor, the lead screw driving motor passes through a clutch, a gear and a power input end at the bottom end of the lead screw are matched to drive the lead screw to rotate and stop, the top pipe of the pipe body can be driven through the corresponding matching relation of the pipe body and the lead screw, the inner pipes are lifted section by section or synchronously lifted, and then the lifting action of the lifter is completed. The top pipe and the inner pipe of the pipe body, and the inner pipe and the bottom pipe in the prior art are matched through corresponding guide keys and guide grooves, and the pipe cannot rotate relatively in the lifting process.

When the lifting rod for quickly erecting the antenna is used, the direction of the antenna installed at the top needs to be adjusted after the lifting rod is erected and unfolded, so that the optimal receiving state is determined. The conventional method comprises the following steps: one method is to add an azimuth turntable between the antenna and the lifting rod, and the antenna is adjusted in azimuth through the turntable, and the method has the disadvantages that the load of the lifting rod is additionally increased, and the service life of the lifting rod is influenced to a certain extent; the other method is that the lifting rod is integrally arranged on the rotary table, so that the lifting rod integrally rotates to adjust the direction.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a not need not increase lift load and gyration space is less from rotatory lifter relatively.

For solving the technical problem, the utility model discloses a from rotatory lifter has the screw drive device of body and body, the body has the bottom tube, screw drive device includes lead screw and elevator motor, and elevator motor can drive the lead screw rotation through the gear train that sets up in the first gear box of bottom tube below and the power input end cooperation of bottom of the lead screw, the gear train including adorn in the first driven gear of bottom of the lead screw power input end and by elevator motor driven first driving gear, the bottom tube can rotate for the axle by its axis.

Adopt the autogyration lifter of above-mentioned structure, the bottom tube can rotate for the axle by its axis, and then can drive the rotation of whole body, the utility model discloses need not increase position revolving stage, increase lift load on the lifter, also need not occupy great gyration space with lifter monolithic mounting on the revolving stage.

In the utility model, an annular mounting seat for the lead screw to pass is fixedly arranged in a bottom pipe orifice of the bottom pipe, a second gear box fixed on the first gear box is arranged below the bottom pipe, a gap is left between the top of the second gear box and the bottom end of the bottom pipe, a second driving gear which is meshed with each other and a slewing bearing with teeth on the outer ring are arranged in the second gear box, the top of the outer ring of the slewing bearing extends out from the top of the second gear box and is fixedly connected with the annular mounting seat, the slewing bearing is fixedly connected with the bottom of the second gear box by the inner ring, the power input end at the bottom end of the lead screw sequentially penetrates through the annular mounting seat and the inner ring of the slewing bearing and then extends into the first gear box, and the gearbox also comprises an azimuth motor, the second driving gear is fixedly arranged on an output shaft of an azimuth motor extending from the top of the box to the inside of the second gear box.

The utility model discloses in through adorn the corresponding rotation that the rotation of outer lane top fixed connection, messenger slewing bearing outer lane of the intraoral annular mount pad of bottom tube and slewing bearing of solid, messenger slewing bearing outer lane drove the bottom tube, the rotation of slewing bearing outer lane is driven by position motor drive second driving gear, the top of second gear box with leave the clearance between the bottom of bottom tube, can not produce the friction with the second gear box when guaranteeing the bottom tube rotation.

As the improvement of the utility model, the bearing is installed on the upper portion of the bottom tube, and the connection fixing piece is installed on the outer ring of the bearing. The lifter rises hack lever self needs the location when exhibition erects, and the location is realized through the bottom tube of fixed lifter, because the utility model provides a but the bottom tube rotation through set up the bearing outside the bottom tube, is equipped with the structure of connecting the mounting on the outer lane of bearing after, can fix a position the bottom tube through connecting the mounting, does not influence the rotation of bottom tube simultaneously.

As a further improvement of the utility model, a clutch is additionally arranged between the lifting motor and the first driving gear.

The clutch is an electromagnetic clutch.

After installing the clutch additional, can make the utility model discloses autogyration lifter is after rising to appointed height, and first driving gear breaks away from elevator motor's control to can realize that the bottom tube lead screw can rotate in step when rotating, can not produce the body once more go up and down.

As a further improvement of the utility model, a second transition gear is further arranged between the second driving gear in the second gear box and the slewing bearing with the outer ring teeth. The installation position of the azimuth motor can be conveniently adjusted after the transition gear is additionally arranged.

Furthermore, the brake is installed on the tail shaft of the azimuth motor, and the rotation of the pipe body when external force is applied to the pipe body can be prevented by locking the motor after the lifting rod is unfolded and erected.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of the structure of the self-rotating lifting rod of the present invention.

Detailed Description

Referring to fig. 1, the utility model discloses a self-rotation lifter has the lead screw drive device 2 of body 1 and body, body 1 has bottom tube 3, lead screw drive device 2 includes lead screw 4 and elevator motor 5, and elevator motor can drive the lead screw through the gear train 7 that sets up in first gear box 6 of bottom tube below and the power input end cooperation of lead screw bottom and rotate, and the corresponding cooperation relation through body and lead screw, the rotation of lead screw can drive the push pipe of body, the gradual festival of inner tube go up and down or go up and down in step again, and then can accomplish the lift action of lifter. The gear set 7 comprises a first driven gear 71 arranged at the power input end at the bottom end of the screw rod 4 and a first driving gear 72 driven by the lifting motor 5, the first driven gear 71 is meshed with the first driving gear 72, and a first transition gear 73 can be additionally arranged between the first driven gear 71 and the first driving gear 72. An annular mounting seat 8 for the lead screw 4 to pass through is fixedly arranged in a bottom pipe orifice of the bottom pipe 3, a second gear box 9 fixed on the first gear box 6 is further arranged below the bottom pipe, a gap 10 is reserved between the top of the second gear box and the bottom end of the bottom pipe 3, a second driving gear 91 and a slewing bearing 92 with toothed outer ring which are meshed with each other are arranged in the second gear box, the top of the outer ring of the slewing bearing extends out of the top of the second gear box 9 and is fixedly connected with the annular mounting seat 8, the slewing bearing is fixedly connected with the bottom of the second gear box 9 through an inner ring 93 of the slewing bearing, the power input end at the bottom end of the lead screw 4 sequentially passes through the annular mounting seat 8 and the inner ring 93 of the slewing bearing and then extends into the first gear box 6, and the gearbox also comprises an azimuth motor 11, the second driving gear 91 is fixedly arranged on an output shaft of the azimuth motor extending from the top of the box to the inside of the second gear box 9. The position motor drives the second driving gear to rotate, further drives the outer ring of the slewing bearing to rotate, so that the bottom pipe can be driven to rotate, and the top pipe and the inner pipe of the lifting rod sleeve are matched by the guide key and the guide groove, so that the bottom pipe can be driven to rotate integrally to adjust the position of the antenna arranged at the top end of the lifting rod.

In the utility model, the upper part of the bottom tube 3 is provided with the bearing 12, and the outer ring of the bearing is provided with the connecting and fixing part 13. A clutch 14 is installed between the lifting motor 5 and the first driving gear 72, and the clutch 14 is preferably an electromagnetic clutch. A second transition gear 94 is further disposed between the second driving gear 91 and the outer ring toothed slewing bearing 92 in the second gear box 9, and the second transition gear is respectively engaged with the second driving gear and the outer ring toothed slewing bearing. The azimuth motor is provided with a brake 15 on its tail shaft, preferably an electromagnetic brake.

The utility model discloses in only given the slewing bearing drive bottom tube rotation of taking the tooth through motor, gear and outer lane to the bottom tube rotates and is realized through the fixed linking to each other in the outer lane top that sets up at its bottom intraductal annular mount pad and slewing bearing, the utility model discloses do not confine to above-mentioned embodiment, rotate as long as through the drive bottom tube, and then drive whole body pivoted, all fall into the utility model discloses a protection range. In addition, bottom tube pivoted drive mode can also be through drive modes such as chain drive, belt drive, and the bottom tube rotates, also can establish the fixed cover in the bottom tube lower part outside through the cover and realize through establishing fixed cover and chain drive or the corresponding cooperation relation of belt drive, and this should all be considered within the protection scope of the utility model.

Claims

1. The utility model provides a self-rotating lifting rod, has lead screw drive arrangement (2) of body (1) and body, body (1) has bottom tube (3), lead screw drive arrangement (2) include lead screw (4) and elevator motor (5), and elevator motor can drive the lead screw rotation through gear train (7) that sets up in first gear box (6) of bottom tube below and the power input end cooperation of lead screw bottom end, gear train (7) including adorn in first driven gear (71) of lead screw (4) bottom power input end and by elevator motor (5) driven first driving gear (72), its characterized in that: the bottom tube (3) can rotate by taking the axis thereof as an axis.

2. A self-rotating lifter according to claim 1, wherein: an annular mounting seat (8) for the lead screw (4) to pass through is fixedly arranged in a bottom pipe orifice of the bottom pipe (3), a second gear box (9) fixed on the first gear box (6) is further arranged below the bottom pipe, a gap (10) is reserved between the top of the second gear box and the bottom end of the bottom pipe (3), a second driving gear (91) and a slewing bearing (92) with toothed outer ring which are meshed with each other are arranged in the second gear box, the top of the outer ring of the slewing bearing extends out of the top of the second gear box (9) and is fixedly connected with the annular mounting seat (8), the slewing bearing is fixedly connected with the bottom of the second gear box (9) through an inner ring (93) of the slewing bearing, a power input end at the bottom end of the lead screw (4) sequentially passes through the annular mounting seat (8) and the inner ring (93) of the slewing bearing and then extends into the first gear box (6), the bearing gear box is characterized by further comprising an azimuth motor (11), wherein the second driving gear (91) is fixedly arranged on an output shaft of the azimuth motor, and the output shaft extends from the box top to the inside of the second gear box (9).

3. A self-rotating lifter according to claim 2, wherein: the upper part of the bottom tube (3) is provided with a bearing (12), and the outer ring of the bearing is provided with a connecting and fixing piece (13).

4. A self-rotating lifter according to claim 2, wherein: and a clutch (14) is additionally arranged between the lifting motor (5) and the first driving gear (72).

5. A self-rotating lifter according to claim 4, wherein: the clutch (14) is an electromagnetic clutch.

6. A self-rotating lifting rod according to any one of claims 2 to 5, wherein: and a second transition gear (94) is also arranged between a second driving gear (91) in the second gear box (9) and a slewing bearing (92) with toothed outer ring.

7. A self-rotating lifting rod according to any one of claims 2 to 5, wherein: and a brake (15) is arranged on a tail shaft of the azimuth motor (11).

8. A self-rotating lifter according to claim 7, wherein: the brake (15) is an electromagnetic brake.