CN212475910U - Portable indoor building tower crane - Google Patents

Abstract

The utility model discloses a portable indoor building tower crane, the on-line screen storage device comprises a base, the inside cavity of having seted up in base top, the lateral wall welded fastening of base has a pipe, a pipe one end welded fastening has the motor, the output shaft welded fastening of motor has the pivot, welded fastening has spacing part in the pivot, welded fastening has the reel in the pivot, it has the pull wire to rotate the winding on the reel, welded fastening has the action wheel in the pivot, the cavity rotates at pivot left side position and is connected with from driving wheel and another reel, the action wheel passes through the hold-in range with from the driving wheel and connects, two through-holes have been seted up to the bottom of cavity, the dead slot has been seted up to the bottom symmetry of base, the dead slot internal rotation is connected with sliding part, the recess internal welding of base has the extensible part. Make this device be convenient for remove with stretch out and draw back to the height that indoor building needs, two pull wires combined action simultaneously make the material more stable at the in-process that promotes.

Description

Portable indoor building tower crane

Technical Field

The utility model relates to a building tower crane technical field especially relates to a portable indoor building tower crane.

Background

The tower crane is the most common hoisting equipment on the building site, is lengthened (raised) section by section like an iron tower, is also called as a tower crane, is used for hoisting equipment for construction raw materials such as reinforcing steel bars, wood ridges, scaffold tubes and the like for construction, and is indispensable equipment for building construction.

But at present indoor construction's in-process, often also need promote some building materials with the help of the tower crane instrument, because of receiving the environment and the restriction of size in indoor place, this just needs design a portable indoor building tower crane.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a portable indoor building tower crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable indoor building tower crane comprises a base, wherein the base is of an inverted-concave-shaped structure with a groove in the bottom, a cavity is formed in the upper portion of the base, a folding pipe is welded and fixed to the side wall of the base, a motor is welded and fixed to one end of the folding pipe, a rotating shaft is welded and fixed to an output shaft of the motor, the rotating shaft penetrates through the side wall of the base and extends into the cavity, a limiting component for stopping the rotating shaft is welded and fixed to the rotating shaft, a reel is welded and fixed to the rotating shaft, a traction wire is wound on the reel in a rotating mode, a driving wheel is welded and fixed to the rotating shaft, a driven wheel and another reel are rotatably connected to the cavity at the position of the left side of the rotating shaft, the driving wheel and the driven wheel are connected through a synchronous belt, two through holes are formed in the bottom of the cavity, each through hole is, every the circular hole has been seted up to the dead slot lateral wall, the dead slot internal rotation is connected with the sliding part that the transport was carried conveniently, the recess internal symmetry welded fastening of base has the flexible part of this device height of regulation.

Preferably, sliding part is including rotating the slide bar of connection in the downthehole circle, the one end welded fastening that the dead slot was kept away from to the slide bar has the runner, the one end welded fastening of slide bar in the dead slot has first cone pulley, first cone pulley meshing is connected with second cone pulley, second cone pulley welded fastening is on the montant, threaded and threaded connection has the pulley holder to the bottom of montant.

Preferably, the telescopic part comprises a first branch pipe symmetrically welded and fixed in the groove of the base, a second support column is connected in the first branch pipe in a sliding mode, a plurality of small holes are formed in the side wall of the first branch pipe, jacks corresponding to the small holes are formed in the side wall of the second support column, and screws are connected in the small holes in an internal thread mode.

Preferably, the limiting component comprises a ratchet wheel fixed on the rotating shaft in a welding mode, and a pawl is rotatably connected to the inner wall of the base.

Preferably, the side wall of the empty groove is provided with a sliding groove, the side wall of the pulley seat is fixedly welded with a limiting rod, and the limiting rod is connected in the sliding groove in a sliding manner.

Preferably, a support plate is fixedly installed at the bottom of the second support column, and a non-slip mat is adhered to the bottom of the support plate.

The utility model provides a beneficial effect:

1. through setting up sliding part, including slide bar, runner, first cone pulley, second cone pulley, montant and pulley holder, pulley holder accessible runner's rotation makes the position adjust from top to bottom, when needing to remove this device, and the pulley holder slides with ground contact, and the pulley holder is packed up during the transport, prevents unexpected the slip.

2. Through setting up flexible part, including the aperture on first branch pipe, second pillar and the first branch pipe lateral wall, the jack that corresponds with the aperture is seted up to second pillar lateral wall, and aperture female connection has the screw, can change the height of this device, reaches the tower crane distance of needs, is applicable to and needs promote the not building scene of co-altitude.

3. Through setting up spacing part, including ratchet and pawl, when the material was mentioned upwards to the pull wire in this device, if want to keep the material to keep motionless, can artifically with the interlock of pawl in the ratchet, make the pivot stall, the material remains steady motionless.

4. Set up two pivoted reels simultaneously, can carry out both ends to the material that needs to promote on the ground and fix with lifting hook or other fixed part on the pull wire simultaneously, improve the stability at material promotion in-process.

Drawings

Fig. 1 is the utility model provides a structural schematic of portable indoor building tower crane.

Fig. 2 is the utility model provides a ratchet, reel and action wheel part's schematic structure in portable indoor building tower crane.

Fig. 3 is the utility model provides an enlarged schematic diagram of a part of structure in portable indoor building tower crane.

In the figure: the device comprises a base 1, a motor 2, a rotating shaft 3, a driven wheel 4, a driving wheel 5, a winding wheel 6, a ratchet wheel 7, a pawl 8, a synchronous belt 9, a traction wire 10, a through hole 11, a rotating handle 12, a first conical wheel 13, a second conical wheel 14, a pulley seat 15, a limiting rod 16, a first branch pipe 17, a second support 18 and a screw 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-3, a portable indoor building tower crane comprises a base 1, wherein the base 1 is an inverted concave structure with a groove at the bottom, a cavity is arranged in the upper part of the base 1, a folding pipe is welded and fixed on the side wall of the base 1, a motor 2 is welded and fixed at one end of the folding pipe, a rotating shaft 3 is welded and fixed on an output shaft of the motor 2, the rotating shaft 3 penetrates through the side wall of the base 1 and extends into the cavity, a limiting component for stopping the rotating shaft 3 is welded and fixed on the rotating shaft 3, a reel 6 is welded and fixed on the rotating shaft 3, a traction wire 10 is wound on the reel 6 in a rotating manner, a driving wheel 5 is welded and fixed on the rotating shaft 3, the cavity is rotatably connected with a driven wheel 4 and another reel 6 at the left side position of the rotating shaft 3, the driving wheel 5 is connected with the driven wheel 4 through a synchronous belt 9, the dead slot has been seted up to base 1's bottom symmetry, and the round hole has been seted up to every dead slot lateral wall, and the dead slot internal rotation is connected with the sliding part that the transport of being convenient for carried carries, and the symmetry welded fastening has the flexible part of this device height of regulation in base 1's the recess.

The sliding part is including rotating the slide bar of connection in the downthehole circle, the one end welded fastening that the dead slot was kept away from to the slide bar has runner 12, the one end welded fastening of slide bar in the dead slot has first cone pulley 13, first cone pulley 13 meshing is connected with second cone pulley 14, second cone pulley 14 welded fastening is on the montant, screw thread and threaded connection have pulley holder 15 are seted up to the bottom of montant, pulley holder 15 accessible runner 12's rotation is adjusted from top to bottom, when needing to remove this device, pulley holder 15 slides with ground contact, pulley holder 15 packs up during the transport, prevent unexpected slip.

The telescopic part comprises a first branch pipe 17 which is symmetrically welded and fixed in a groove of the base 1, a second support column 18 is connected in the first branch pipe 17 in a sliding mode, a plurality of small holes are formed in the side wall of the first branch pipe 17, inserting holes corresponding to the small holes are formed in the side wall of the second support column 18, screws 19 are connected in the small holes in a threaded mode, the height of the device can be changed, and the required tower crane distance is reached.

The limiting component comprises a ratchet wheel 7 welded and fixed on the rotating shaft 3, the inner wall of the base 1 is rotatably connected with a pawl 8, and when the material is lifted upwards by the traction wire 10 in the device, if the material is kept still, the pawl 8 can be manually occluded in the ratchet wheel 7, so that the rotating shaft 3 stops rotating, and the material is kept stable and still.

The lateral wall of dead slot has seted up the spout, and the lateral wall welded fastening of pulley holder 15 has gag lever post 16, and gag lever post 16 sliding connection is in the spout, and gag lever post 16 cooperation spout can make pulley holder 15 about the screw thread rotate and do not produce the rotation.

The bottom of the second support column 18 is fixedly provided with a support plate, and the bottom of the support plate is adhered with a non-slip mat, so that the non-slip performance of the device is improved, and the use is safer.

In the utility model, firstly, the pulley seat 15 is extended out from the empty groove by rotating the rotating hand 12, at this time, the position of a tower crane is needed to be adjusted by pushing the device to slide, then the telescopic device is adjusted, the second supporting column 18 is slid out from the first supporting column 17, the height is limited by connecting the screw 19 in the small hole of the side wall of the first supporting column 17 through the screw thread, the motor 2 is opened, the motor with the model of Y80M1-2 can be adopted in the device, the rotating shaft 3 drives the ratchet 7, the reel 6 and the driving wheel 5 to rotate, the driving wheel 5 drives the driven wheel 4 to rotate through the synchronous belt, thereby rotating with the other reel 6 welded and fixed on the same straight rod by the driven wheel 4, the bottom of the traction line 10 on the two reels 6 is connected with the lifting hook, the lifting hook continuously moves downwards until hooking with the material, the motor 2 is opened to rotate reversely, the stability in the lifting process is improved, after the material is lifted to a certain position, a user can enable the pawl 8 to be meshed with the ratchet wheel 7, due to the fact that the rotating tracks of the pawl 8 and the ratchet wheel 7 are different, the pawl 8 interferes with the rotation of the ratchet wheel 7, the ratchet wheel 7 stops rotating, the reel 6 stops rotating, and the material to be lifted is stable in the air and is used by the user.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a portable indoor building tower crane, includes base (1), base (1) is the notched structure of shape of falling character cut in bas portion, its characterized in that, the inside cavity of having seted up in base (1) top, the lateral wall welded fastening of base (1) has a pipe, it has motor (2) to roll over a pipe one end welded fastening, the output shaft welded fastening of motor (2) has pivot (3), pivot (3) run through base (1) lateral wall and extend to in the cavity, welded fastening has the spacing part that makes pivot (3) stall on pivot (3), welded fastening has reel (6) on pivot (3), it has pull wire (10) to rotate the winding on reel (6), welded fastening has action wheel (5) on pivot (3), the cavity rotates at pivot (3) left side position and is connected with from driving wheel (4) and another reel (6), the utility model discloses a take turns to the drawing of force, including action wheel (5) and driven wheel (4), two through-holes (11) have been seted up to the bottom of cavity, every through-hole (11) are seted up under pull wire (10), the dead slot has been seted up to the bottom symmetry of base (1), every the round hole has been seted up to the dead slot lateral wall, the dead slot internal rotation is connected with the sliding part that the transport of being convenient for carried, symmetry welded fastening has the extensible part of adjusting this device height in the recess of base (1).

2. The portable indoor building tower crane according to claim 1, wherein the sliding component comprises a sliding rod rotatably connected in a circular hole, a rotating handle (12) is welded and fixed to one end, away from the empty slot, of the sliding rod, a first conical wheel (13) is welded and fixed to one end, in the empty slot, of the sliding rod, the first conical wheel (13) is meshed and connected with a second conical wheel (14), the second conical wheel (14) is welded and fixed to a vertical rod, and the bottom of the vertical rod is threaded and is connected with a pulley seat (15) in a threaded manner.

3. The portable indoor building tower crane according to claim 1, wherein the telescopic component comprises a first branch pipe (17) which is symmetrically welded and fixed in a groove of the base (1), a second support column (18) is slidably connected in the first branch pipe (17), a plurality of small holes are formed in the side wall of the first branch pipe (17), jacks corresponding to the small holes are formed in the side wall of the second support column (18), and screws (19) are connected in the small holes in a threaded manner.

4. The portable indoor building tower crane according to claim 3, wherein the limiting component comprises a ratchet wheel (7) welded and fixed on the rotating shaft (3), and a pawl (8) is rotatably connected to the inner wall of the base (1).

5. The portable indoor building tower crane according to claim 2, wherein a sliding groove is formed in a side wall of the empty groove, a limiting rod (16) is fixed to the side wall of the pulley seat (15) in a welded mode, and the limiting rod (16) is connected in the sliding groove in a sliding mode.

6. The portable indoor building tower crane according to claim 3, wherein a support plate is fixedly arranged at the bottom of the second support column (18), and a non-slip mat is adhered to the bottom of the support plate.

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