CN211895824U - Crane for small-sized engineering construction - Google Patents

Abstract

The utility model discloses a small-size for engineering building hoist relates to construction engineering apparatus field. The spiral driving roller is connected with a servo motor, a rope winding wheel disc coaxially fixed with the rotating wheel is arranged on the outer wheel face of the rotating wheel, a lifting rope is fixed on the rope winding wheel disc, meshing transmission tooth columns which are distributed at equal intervals are arranged on the outer wheel face of the rotating wheel, a spiral tooth groove meshed with the meshing transmission tooth columns in a transmission mode is arranged on the roller face of the spiral driving roller, and the outer end head of each meshing transmission tooth column is a circular end head. The utility model discloses a small-size for engineering building hoist equipment structure is simple practical, and screw drive roller, runner and serving wheel dish can be followed mount and workstation and dismantled, conveniently carry and assemble on the construction platform, can conveniently be applicable to the building construction of the little three-layer in rural area in a flexible way.

Description

Crane for small-sized engineering construction

Technical Field

The utility model relates to a construction engineering apparatus field, concretely relates to small-size for engineering building hoist.

Background

In the building engineering of buildings, construction building materials need to be transported to an upper construction platform, and equipment commonly adopted comprises a tower crane or a winch. The tower crane is usually suitable for large-scale construction sites, and the winch is generally suitable for the construction of small and high-rise buildings in towns. In the building construction of the small three-storey building in the rural area, the construction building materials are often required to be carried upwards, the existing mode of carrying by manpower or shouldering is often adopted for carrying, the mode is low in efficiency and large in labor capacity, the cost is high by adopting a tower crane or a winch, in addition, equipment of the tower crane and the winch is large in submission, the installation and the use are inconvenient, and the flexibility is not enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the technology, the utility model provides a small-size engineering crane for building.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides a small-size engineering crane for building, is including being used for unsettled workstation of fixing on construction platform, be equipped with the mount on the workstation, the centre of mount be equipped with the runner and with runner transmission engaged spiral drive roller, spiral drive roller is connected with servo motor, be equipped with on the foreign steamer face of runner with the coaxial fixed serving wheel dish of runner, be fixed with the lifting rope on the serving wheel dish, be equipped with equidistant distribution's meshing transmission tooth post on the outer circumference round face of runner, be equipped with on the roll surface of spiral drive roller with meshing transmission engaged spiral tooth's socket, the outer end of meshing transmission tooth post is circular end.

Preferably, in the crane for small engineering construction described above, the lower surface of the working platform is provided with a first fixed beam, a second fixed beam and a third fixed beam for suspended fixation on a building construction platform, and the fixed frame is disposed on the working platform at a position of the first fixed beam and the second fixed beam.

Preferably, in the crane for small engineering and construction described above, the work table is provided with a lift passage opening through which a hoisted object passes at a position located between the first fixed beam and the second fixed beam.

Preferably, in the crane for small engineering buildings described above, the fixing frame includes two vertical frames and a cross beam frame fixed to upper ends of the two vertical frames, the screw driving roller is disposed below the cross beam frame through a driving rotating shaft, and the servo motor is fixed to the vertical frame on one side and is in transmission connection with the driving rotating shaft.

Preferably, in the crane for small engineering and construction described above, a wheel frame is fixed to the table between the two vertical frames, and an axle of the wheel is rotatably connected to an upper end of the wheel frame.

Preferably, in the crane for small engineering and construction described above, the work table is provided with a discharge table at a portion corresponding to the second fixed beam and the third fixed beam, a side guard beam is fixed to the upright frame at a side corresponding to the discharge table, and an outer guard rail inclined outward is provided along an outer end of the discharge table.

Preferably, in the crane for small engineering and construction described above, the outer guard rail includes a plurality of inclined vertical poles inclined toward the outside by 30 °, and the upper ends of the inclined vertical poles are fixed with cross-connecting rods.

Preferably, in the crane for small engineering and construction described above, two reinforcing connecting frames arranged in an inverted-splayed shape are fixed to the lower ends of the uprights.

The utility model has the advantages that: the utility model discloses a small-size loop wheel machine equipment for engineering building simple structure is practical, drives the spiral drive roller through servo motor, and then drives the rolling that the lifting rope can be accomplished to the serving wheel dish and transfer through the runner with spiral drive roller transmission meshing, and spiral drive roller, runner and serving wheel dish can be followed mount and workstation and dismantled, conveniently carry and assemble to the construction platform on. The outer protective guard arranged at the outer end of the unloading platform and inclined towards the outside and the side protective cross beam arranged on the vertical frame close to one side of the unloading platform can well protect upper-layer unloading constructors on the unloading platform and prevent the upper-layer unloading constructors from being accidentally out of order.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a transmission structure diagram of the spiral driving roller, the rotating wheel and the rope winding wheel disc of the present invention.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the embodiment of the utility model provides a crane for small-size engineering construction, this crane is applicable to the building construction of the little three-layer building in rural area. The crane comprises a workbench 2 which is suspended and fixed on a building construction platform, and a fixing frame 3 is arranged on the workbench 2. The middle of the fixed frame 3 is provided with a rotating wheel 5 and a spiral driving roller 7 which is in transmission engagement with the rotating wheel 5, and the spiral driving roller 7 is connected with a servo motor 9. The outer wheel surface of the turning wheel 5 is provided with a rope winding wheel disc 6 coaxially fixed with the turning wheel 5, a lifting rope is fixed on the rope winding wheel disc 6, and the lower end of the lifting rope is provided with a carrier for hanging and carrying the hoisted object 100. As shown in fig. 2, the outer circumferential surface of the rotating wheel 5 is provided with meshing transmission toothed columns 51 which are distributed at equal intervals, the roll surface of the helical driving roll 7 is provided with helical tooth grooves 71 which are in transmission meshing with the meshing transmission toothed columns 51, and the outer end of the meshing transmission toothed columns 51 is a circular end. Spiral drive roller 7, runner 5 and serving wheel 6 can be followed mount 3 and workstation 2 and dismantled, conveniently carry and assemble on the construction platform, and convenient to use is nimble.

Further, in the preferred embodiment of the present invention, the lower surface of the working platform 2 is provided with a first fixed beam 1, a second fixed beam 11 and a third fixed beam 12 for suspended fixation on the construction platform. The fixed frame 3 is provided at the position of the table 2 at the first fixed beam 1 and the second fixed beam 11. The table 2 is provided with a lift passage opening 21 through which the hoists 100 pass at positions on the first fixed beam 1 and the second fixed beam 11.

Further, in the preferred embodiment of the present invention, as shown in fig. 1, the fixing frame 3 includes two vertical frames 31 and a cross beam frame 32 fixed to the upper ends of the two vertical frames 31. The helical drive roller 7 is arranged below the cross beam frame 32 through a drive rotating shaft (not shown), and the servo motor 9 is fixed on one side of the stand frame 31 and is in transmission connection with the drive rotating shaft. The worktable 2 is fixed with a rotary wheel frame 4 between two vertical frames 31, and the wheel shaft of the rotary wheel 5 is rotationally connected with the upper end of the rotary wheel frame 4. The two ends of the beam frame 32 are respectively provided with bolts to be tightly connected with the upper ends of the two upright frames 31, and the lower ends of the two upright frames 31 are provided with bolts to be tightly connected with the workbench 2.

Further, in the preferred embodiment of the present invention, the working platform 2 is provided with a discharging platform 22 at the portion corresponding to the second fixed beam 11 and the third fixed beam 12, and the discharging platform 22 is used for providing a discharging operation position for discharging constructors on the upper layer. A side protection beam 311 is fixed to the vertical frame 31 on the side corresponding to the unloading platform 22, and the protection beam 311 provides protection for the unloading constructor during unloading and prevents the unloading constructor from falling into the lifting passage opening 21 from the side. To further enhance the operational safety of the discharge workers on the discharge table 22, the outer end of the discharge table 22 is provided with an outer guard rail 8 inclined towards the outside, which outer guard rail 8 provides protection towards the outside for the discharge workers on the discharge table 22. Specifically, the outer guard rail 8 includes a plurality of inclined uprights 81 inclined toward the outside by 30 °, and a cross-connecting rod 82 is fixed to an upper end edge of the inclined uprights 81. In the preferred embodiment of the present invention, the lower end of the vertical frame 31 is fixed with two reinforced connecting frames 33 arranged in an inverted splayed shape, and the working table 2 is constructed by splicing wooden slats.

To sum up, the utility model discloses a small-size loop wheel machine equipment for engineering building simple structure is practical, drives the spiral drive roller through servo motor, and then drives the rolling that the lifting rope can be accomplished to the serving wheel dish and transfer through the runner with spiral drive roller transmission meshing, and spiral drive roller, runner and serving wheel dish can be followed mount and workstation and dismantled, conveniently carry and assemble to construction platform. The outer protective guard arranged at the outer end of the unloading platform and inclined towards the outside and the side protective cross beam arranged on the vertical frame close to one side of the unloading platform can well protect upper-layer unloading constructors on the unloading platform and prevent the upper-layer unloading constructors from being accidentally out of order.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims (8)

1. A small-sized crane for engineering construction comprises a workbench (2) which is suspended and fixed on a building construction platform, a fixed frame (3) is arranged on the workbench (2), it is characterized in that a rotating wheel (5) and a spiral driving roller (7) which is in transmission engagement with the rotating wheel (5) are arranged in the middle of the fixing frame (3), the spiral driving roller (7) is connected with a servo motor (9), a rope coiling wheel disc (6) coaxially fixed with the rotating wheel (5) is arranged on the outer wheel surface of the rotating wheel (5), a lifting rope is fixed on the rope winding wheel disc (6), meshing transmission tooth columns (51) which are distributed at equal intervals are arranged on the outer circumferential wheel surface of the rotating wheel (5), the roller surface of the spiral driving roller (7) is provided with a spiral tooth groove (71) which is engaged with the meshing transmission tooth column (51) in a transmission way, and the outer end of the meshing transmission tooth column (51) is a circular end.

2. The small-sized construction crane according to claim 1, wherein the lower surface of the working platform (2) is provided with a first fixed beam (1), a second fixed beam (11) and a third fixed beam (12) for suspended fixation on a construction platform, and the fixed frame (3) is arranged on the working platform (2) at a position of the first fixed beam (1) and the second fixed beam (11).

3. The small-sized construction crane according to claim 2, wherein the work table (2) is provided with a lifting passage opening (21) through which a hoisted object (100) passes at a position located at the first fixed beam (1) and the second fixed beam (11).

4. The small construction crane according to claim 2, wherein the fixed frame (3) comprises two vertical frames (31) and a cross frame (32) fixed to the upper ends of the two vertical frames (31), the helical drive roller (7) is disposed below the cross frame (32) through a drive rotating shaft, and the servo motor (9) is fixed to the vertical frame (31) on one side and is in transmission connection with the drive rotating shaft.

5. The small-sized construction crane according to claim 4, wherein the working platform (2) is provided with a rotating wheel frame (4) fixed between the two vertical frames (31), and the wheel shaft of the rotating wheel (5) is rotatably connected to the upper end of the rotating wheel frame (4).

6. The hoist for small engineering construction according to claim 4, wherein the working table (2) is provided with a discharge platform (22) at a portion corresponding to the second fixing beam (11) and the third fixing beam (12), a side guard beam (311) is fixed to the stand (31) corresponding to the discharge platform (22), and an outer guard rail (8) inclined toward the outside is provided along an outer end of the discharge platform (22).

7. The small-sized construction crane according to claim 6, wherein the outer guard rail (8) comprises a plurality of inclined poles (81) inclined toward the outside by 30 °, and a cross connecting rod (82) is fixed to the upper ends of the inclined poles (81).

8. The small construction crane according to claim 4, wherein two reinforcing connecting frames (33) are fixed to the lower ends of the vertical frames (31) in an inverted splayed configuration.

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