CN212954147U

CN212954147U - Lifting device

Info

Publication number: CN212954147U
Application number: CN202021322007.2U
Authority: CN
Inventors: 陈子轩; 陈建平; 冼伟强; 潘伟根; 陈宏敏; 麦理炫; 纪孟辉
Original assignee: Guangdong Provincial Architectural Engineering Machinery Construction Co Ltd
Current assignee: Guangdong Provincial Architectural Engineering Machinery Construction Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-13
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a lifting device, which comprises a driving mechanism, a lifting rod and a lifting platform, wherein a rotating screw rod is arranged in the lifting rod, the rotating screw rod is arranged on the driving mechanism, the driving mechanism is used for driving the rotating screw rod to rotate, the driving mechanism provides power for the rotation of the rotating screw rod, the rotating screw rod is used for rotating to drive the lifting platform to slide upwards or downwards along the lifting rod, so that the lifting platform can realize the lifting operation along the lifting rod, and the structure is simple; through set up spacing wheel and leading wheel on the elevating platform, set up the direction spout on the lifting rod, the leading wheel is used for sliding to set up on the direction spout, and the combined action of spacing wheel and leading wheel provides spacing and leads the looks to the elevating platform along the lift operation of lifting rod down for the construction procedure of elevating platform is comparatively simple and convenient, helps improving the efficiency of construction.

Description

Lifting device

Technical Field

The utility model relates to a prefabricated construction erection equipment technical field, in particular to hoisting device.

Background

As is well known, with the development of industry, the engineering prefabrication processing and manufacturing level is improved, factory prefabrication is a means for improving the quality assurance of various projects, and compared with field manufacturing, the factory prefabrication has the following advantages: the factory equipment is complete, the realization possibility of the advanced production process is high, and the production is not influenced by conditions such as weather; the template can be reused, and the production cost is low; the standardization and batch production can be realized; the material consumption is less, and the resources are saved; the field installation time is short, and the field construction environment is easy to control. Because of the advantages of the prefabricated structure, the assembly type project installation is gradually realized in the construction projects of the building, high-speed rail, bridge and aerospace industries in China, and the installation technology is continuously improved.

At present, the assembled mounting structure is popularized in some civil and environmental engineering countries, and the large-scale equipment installation, the tank body installation and the like are involved. However, the installation of the prefabricated structure also has various requirements, such as the precision problem of the assembly, a complex bracket needs to be erected for supporting in order to ensure the assembly precision, the actual construction steps are complex, the problems of repeated disassembly and assembly of the bracket are involved, and the construction efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the not enough in the background art, provide a hoisting device that can solve this technical problem.

The utility model provides a lifting device, includes actuating mechanism, lifting bar and elevating platform, be provided with the rotation screw rod in the lifting bar, rotate the screw rod set up in actuating mechanism is last, actuating mechanism is used for the drive rotate the screw rod and rotate, the elevating platform with it connects to rotate the screw rod transmission, it is used for rotating in order to drive to rotate the elevating platform edge the lifting bar upwards or slides downwards.

Preferably, the lifting device further comprises a connecting piece, the connecting piece is fixed with the lifting platform, and the connecting piece is used for being fixed with the object to be lifted.

Preferably, a hoisting device still includes adjusting part, adjusting part includes the connection frame and regulating plate, the connection frame with the regulating plate is connected, the connection frame cover put with outside the elevating platform, the connection frame reaches the regulating plate respectively with the elevating platform is connected, the connecting piece passes through the regulating plate with the elevating platform is fixed mutually.

Preferably, an accommodating cavity is arranged in the lifting rod, a guide chute is formed in the lifting rod, the guide chute is communicated with the accommodating cavity, and the rotating screw is accommodated in the accommodating cavity;

the elevating platform includes base and trapezoidal nut component, sliding through hole has been seted up on the base, the lifter wears to establish sliding through hole is in order to realize the base set up in outside the lifter, trapezoidal nut component includes connecting plate and trapezoidal nut, trapezoidal nut slide set up in the holding intracavity, trapezoidal nut with the rotation screw rod spiro union, the connecting plate is used for wearing to establish the direction spout respectively with trapezoidal nut reaches sliding through hole's inboard wall is fixed mutually, the rotation screw rod is used for rotating in order to drive trapezoidal nut follows the lifter realizes upwards or the lapse, the connecting plate in slide setting in the direction spout is in order to drive the base is followed the lifter realizes upwards or lapse.

Preferably, the elevating platform still includes spacing wheel and leading wheel, spacing wheel reaches the leading wheel set up respectively in on the base, the slip through-hole is located spacing wheel with between the leading wheel, the leading wheel be used for sliding set up in on the direction spout, spacing wheel is used for following the lateral wall of lifter bar slides and sets up.

Preferably, the limiting wheel comprises a rotating wheel and two limiting plates, the rotating wheel is arranged on the base, the two limiting plates are respectively arranged at two ends of the rotating wheel, and the limiting plates are used for abutting against the side wall of the lifting rod when the rotating wheel slides along the outer side wall of the lifting rod.

Preferably, a guide ring is arranged on the guide wheel and is used for being limited in the guide sliding groove so that the guide wheel can slide upwards or downwards along the guide sliding groove.

Preferably, the central line of the limiting wheel is aligned with the central line of the guide wheel.

Preferably, the lifting device further comprises a support rod connected to the lifting rod, and the support rod is used for reinforcing the lifting rod.

Preferably, the driving mechanism comprises a motor, a driving rod and a rotating seat, the driving rod is respectively connected with the motor and the rotating seat, the motor drives the driving rod to rotate so as to drive the rotating seat to rotate, the rotating screw rod is arranged on the rotating seat, and the rotating seat rotates to drive the rotating screw rod to rotate.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

the utility model provides a hoisting device is through setting up actuating mechanism, lifting bar and elevating platform, actuating mechanism does the rotation that rotates the screw rod provides power, it is used for rotating in order to drive to rotate the screw rod the elevating platform is followed the lifting bar upwards or the lapse, in order to realize the elevating platform is being followed the operation that the lifting bar realized going up and down, such structure is comparatively simple, through set up on the elevating platform spacing wheel reaches the leading wheel is right the elevating platform is followed the lift operation of lifting bar provides spacing and leads the looks, makes the construction steps of elevating platform is comparatively simple and convenient, helps improving efficiency of construction.

Drawings

Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lifting device according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a lifting device according to another embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a lifting device according to yet another embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a lifting rod according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a lifting rod according to another embodiment of the present invention.

Fig. 7 is a schematic structural view of a lifting rod according to another embodiment of the present invention.

Fig. 8 is a schematic structural view of a rotary screw according to an embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.

Please refer to fig. 1, which is a schematic structural diagram of a lifting device according to an embodiment of the present invention. Referring to fig. 2 and fig. 3, a lifting device includes a driving mechanism 100, a lifting rod 200 and a lifting platform 300, wherein a rotating screw 210 is disposed in the lifting rod 200, the rotating screw 210 is disposed on the driving mechanism 100, and the driving mechanism 100 is configured to drive the rotating screw 210 to rotate, that is, the driving mechanism 100 provides power for the rotation of the rotating screw 210; the lifting platform 300 is used for being in transmission connection with the rotating screw 210, the rotating screw 210 is used for rotating to drive the lifting platform 300 to slide upwards or downwards along the lifting rod 200, that is, the lifting platform 300 is lifted along the lifting rod 200, it should be noted that the lifting platform 300 is used for being fixed with an object to be lifted, for example, the lifting platform 300 is used for being fixed with a tank preform, and the lifting operation of the lifting platform 300 is used for driving the tank preform to be lifted.

In an embodiment, referring to fig. 3, the lifting device further includes a connecting member 400, the connecting member 400 is fixed to the lifting platform 300, and the connecting member 400 is used for being fixed to an object to be lifted, that is, the lifting platform 300 is fixed to the tank body prefabricated member through the connecting member 400, so that the installation and the removal can be better realized, for example, in case that the connecting member 400 is damaged, only the connecting member 400 needs to be replaced, and the connecting member 400 does not need to be better combined with the lifting platform 300, and thus, the construction material cost can also be reduced. As another example, please refer to fig. 4, the lifting apparatus further includes an adjusting assembly 500, the adjusting assembly 500 includes a connecting frame 510 and an adjusting plate 520, the connecting frame 510 is connected to the adjusting plate 520, the connecting frame 510 is sleeved outside the lifting platform 300, the connecting frame and the adjusting plate 520 are respectively connected to the lifting platform 300, the connecting member 400 is fixed to the lifting platform 300 through the adjusting plate 520, the adjusting assembly 500 is arranged on the lifting platform 300 to better adjust the connecting member 400, and the connecting frame 510 is arranged to reinforce the connection between the adjusting assembly 500 and the lifting platform 300, so that the adjusting plate 520 and the connecting member 400 are fixed to each other and can be stressed more.

In order to realize the upward or downward sliding of the lifting platform 300 along the lifting rod 200, in an embodiment, referring to fig. 4 to 7, a receiving cavity 220 is disposed in the lifting rod 200, a guide chute 230 is disposed on the lifting rod 200, the guide chute 230 is communicated with the receiving cavity 220, and the rotating screw 210 is received in the receiving cavity 220; the lifting platform 300 comprises a base 310 and a trapezoidal nut component 320, a sliding through hole 311 is formed in the base 310, the lifting rod 200 is arranged through the sliding through hole 311 to realize that the base 310 is arranged outside the lifting rod 200, that is, the lifting rod 200 is arranged through the sliding through hole 311, and the base 310 slides along the lifting rod 200 through the sliding through hole 311. Referring to fig. 2 and 8, the trapezoidal nut assembly 320 includes a connecting plate 321 and a trapezoidal nut 322, the trapezoidal nut 322 is slidably disposed in the accommodating cavity 220, the trapezoidal nut 322 is screwed with the rotating screw 210, the connecting plate 321 is configured to penetrate through the guide chute 230 and is fixed to the inner side walls of the trapezoidal nut 322 and the sliding through hole 311, the rotating screw 210 is configured to rotate to drive the trapezoidal nut 322 to slide upward or downward along the lifting rod 200, the connecting plate 321 is slidably disposed in the guide chute 230 to drive the base 310 to slide upward or downward along the lifting rod 200, it should be noted that the guide chute 230 facilitates the sliding of the connecting plate 321 therein to drive the trapezoidal nut 322 and the base 310 to slide upward or downward along the lifting rod 200, that is, the guide chute 230 guides the sliding of the base 310.

In order to ensure that the lifting platform 300 can smoothly move up or down along the lifting rod 200 without walking, in an embodiment, please refer to fig. 2 to 4 together, the lifting platform 300 further includes a limiting wheel 330 and a guiding wheel 340, the limiting wheel 330 and the guiding wheel 340 are respectively disposed on the base 310, the sliding through hole 311 is located between the limiting wheel 330 and the guiding wheel 340, the guiding wheel 340 is configured to be slidably disposed on the guiding chute 230, the limiting wheel 330 is configured to be slidably disposed along an outer side wall of the lifting rod 200, that is, the lifting rod is disposed through the sliding through hole, the lifting rod is located between the limiting wheel 330 and the guiding wheel 340, and is diagonally disposed on the base between the limiting wheel and the guiding wheel, the limiting wheel is located above the guiding wheel, and when the connecting piece is fixed with the object to be lifted, spacing wheel the leading wheel reaches wait to promote the thing and form the structure of triangle of falling, spacing wheel the leading wheel reaches wait to promote the thing and be located three points of triangle of falling respectively, the leading wheel is located one of the bottom of triangle of falling and is clicked, through the atress analysis, can make like this the elevating platform is comparatively firm along the lifter makes progress or lapse. For another example, the limiting wheel 330 includes a rotating wheel 331 and two limiting plates 332, the rotating wheel 331 is disposed on the base 310, the two limiting plates 332 are respectively disposed on two ends of the rotating wheel 331, and the limiting plates 332 are configured to abut against the side wall of the lifting rod 200 when the rotating wheel 331 slides along the outer side wall of the lifting rod 200. For another example, a guide ring 341 is disposed on the guide wheel 340, and the guide ring 341 is configured to be limited in the guide chute 230 so that the guide wheel 340 slides upwards or downwards along the guide chute 230. As another example, the centerline of the spacing wheel 330 is aligned with the centerline of the guide wheel 340. In order to make the base 310 slide more smoothly along the lifting rod 200, two of the limiting plates 332 are arranged on the limiting wheel 330, and the two limiting plates 332 play a limiting role when the rotating wheel 331 slides along the outer side wall of the lifting rod 200, meanwhile, the guide ring 341 is arranged on the guide wheel 340, the guide ring 341 is embedded in the guide chute 230, and when the guide wheel 340 slides along the lifting rod 200, the guide ring 341 plays a guiding role on the sliding of the guide wheel 340, and by arranging the two structures, the base 310 can be ensured to slide well without deviation.

In order to enable the lifting platform 300 to achieve stable lifting on the lifting rod 200, in an embodiment, referring to fig. 1 or fig. 3, the lifting device further includes a supporting rod 600, the supporting rod 600 is connected to the lifting rod 200, and the supporting rod 600 is used to reinforce the lifting rod 200 to reduce the occurrence of shaking of the lifting rod 200.

In an embodiment, referring to fig. 1 and fig. 5, the driving mechanism 100 includes a motor (not shown), a driving rod 110 and a rotating base 120, the driving rod 110 is connected to the motor and the rotating base 120, the motor drives the driving rod 110 to rotate to drive the rotating base 120 to rotate, the rotating screw 210 is disposed on the rotating base 120, the rotating base 120 rotates to drive the rotating screw 210 to rotate, it should be noted that the motor provides power for the rotation of the rotating screw 210, and the rotating screw 210 is mounted on the rotating base 120, and the driving rod 110 transmits the motor to the rotating base 120 to rotate the rotating base 120, so as to drive the rotating screw 210 to rotate.

a lifting device is through setting up actuating mechanism 100, lifter 200 and elevating platform 300, actuating mechanism 100 does the rotation that rotates screw 210 provides power, it is used for rotating in order to drive to rotate screw 210 the elevating platform 300 is followed the lifter 200 upwards or slides downwards, in order to realize the elevating platform 300 along the operation that the lifter 200 realized going up and down, such structure is comparatively simple, through set up on the elevating platform spacing wheel 330 and leading wheel 340, it is right the elevating platform is followed the lift operation of lifter provides spacing and leads mutually, makes the construction procedure of elevating platform 300 is comparatively simple and convenient, helps improving the efficiency of construction.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The lifting device is characterized by comprising a driving mechanism (100), a lifting rod (200) and a lifting platform (300), wherein a rotating screw (210) is arranged in the lifting rod (200), the rotating screw (210) is arranged on the driving mechanism (100), the driving mechanism (100) is used for driving the rotating screw (210) to rotate, the lifting platform (300) is in transmission connection with the rotating screw (210), and the rotating screw (210) is used for rotating so as to drive the lifting platform (300) to slide upwards or downwards along the lifting rod (200).

2. A lifting device according to claim 1, further comprising a connecting member (400), said connecting member (400) being secured to said lifting platform (300), said connecting member (400) being adapted to be secured to an object to be lifted.

3. A lifting device as claimed in claim 2, further comprising an adjusting assembly (500), wherein the adjusting assembly (500) comprises a connecting frame (510) and an adjusting plate (520), the connecting frame (510) is connected to the adjusting plate (520), the connecting frame (510) is sleeved outside the lifting platform (300), the connecting frame (510) and the adjusting plate (520) are respectively connected to the lifting platform (300), and the connecting member (400) is fixed to the lifting platform (300) through the adjusting plate (520).

4. A lifting device as claimed in claim 1, wherein a receiving cavity (220) is provided in the lifting rod (200), a guide chute (230) is provided in the lifting rod (200), the guide chute (230) is communicated with the receiving cavity (220), and the rotating screw (210) is received in the receiving cavity (220);

elevating platform (300) includes base (310) and trapezoidal nut component (320), sliding through hole (311) have been seted up on base (310), lifting bar (200) wear to establish sliding through hole (311) in order to realize base (310) set up in outside lifting bar (200), trapezoidal nut component (320) include connecting plate (321) and trapezoidal nut (322), trapezoidal nut (322) slide set up in holding chamber (220), trapezoidal nut (322) with rotation screw rod (210) spiro union, connecting plate (321) are used for wearing to establish direction spout (230) respectively with trapezoidal nut (322) and the inside wall of sliding through hole (311) is fixed, rotation screw rod (210) are used for rotating in order to drive trapezoidal nut (322) are followed lifting bar (200) realize upwards or downwards sliding, connecting plate (321) in the direction spout (230) interior slide arrangement in order to drive base (310) Sliding up or down along the lifting bar (200) is achieved.

5. The lifting device according to claim 4, wherein the lifting platform (300) further comprises a limiting wheel (330) and a guiding wheel (340), the limiting wheel (330) and the guiding wheel (340) are respectively disposed on the base (310), the sliding through hole (311) is located between the limiting wheel (330) and the guiding wheel (340), the guiding wheel (340) is configured to be slidably disposed on the guiding chute (230), and the limiting wheel (330) is configured to be slidably disposed along an outer sidewall of the lifting rod (200).

6. A lifting device as claimed in claim 5, wherein the limiting wheel (330) comprises a rotating wheel (331) and two limiting plates (332), the rotating wheel (331) is disposed on the base (310), the two limiting plates (332) are respectively disposed on two ends of the rotating wheel (331), and the limiting plates (332) are configured to abut against the side wall of the lifting rod (200) when the rotating wheel (331) slides along the outer side wall of the lifting rod (200).

7. A lifting device as claimed in claim 5, characterized in that the guide wheel (340) is provided with a guide ring (341), the guide ring (341) being adapted to be retained in the guide runner (230) so that the guide wheel (340) slides up or down the guide runner (230).

8. A lifting device as claimed in claim 5, characterized in that the centre line of the limit wheel (330) is aligned with the centre line of the guide wheel (340).

9. A lifting device as claimed in claim 1, further comprising a support bar (600), said support bar (600) being connected to said lifting bar (200), said support bar (600) serving to stiffen said lifting bar (200).

10. The lifting device according to claim 1, wherein the driving mechanism (100) comprises an electric motor, a driving rod (110) and a rotating base (120), the driving rod (110) is connected to the electric motor and the rotating base (120), the electric motor drives the driving rod (110) to rotate so as to drive the rotating base (120) to rotate, the rotating screw (210) is disposed on the rotating base (120), and the rotating base (120) rotates to drive the rotating screw (210) to rotate.