CN115258970A

CN115258970A - Lifting arm for building

Info

Publication number: CN115258970A
Application number: CN202210874552.XA
Authority: CN
Inventors: 翟拯国; 翟拯军; 翟恒年
Original assignee: Tianchang Dacheng Construction Co ltd
Current assignee: Tianchang Dacheng Construction Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-01

Abstract

The invention relates to the technical field of crane boom devices, in particular to a crane boom for buildings, which comprises a rotating sleeve, wherein an adjusting mechanism is arranged on the rotating sleeve, a connecting arm is fixedly connected to one side of the middle part of the rotating sleeve, a replacing mechanism is arranged on the connecting arm, the replacing mechanism comprises an installation box, sliding grooves are formed in the front end and the rear end of the bottom of the inner side of the installation box, a first sliding block is connected to one side of the inner part of each sliding groove in a sliding manner, the upper end of each first sliding block is fixedly connected to the front side and the rear side of the middle part of the lower end of a corresponding balancing weight, and first through holes are formed in the front side and the rear side of the middle lower part of the balancing weight. According to the invention, the first gear is driven to rotate on the gear ring through the motor, the crane boom is driven to synchronously rotate by the rotating sleeve, the conveying angle of the crane boom is adjusted, meanwhile, the counterweight of the crane boom is conveniently replaced through the replacing mechanism, and the number of the counterweights can be adjusted according to different building materials.

Description

Lifting arm for building

Technical Field

The invention relates to the technical field of crane boom devices, in particular to a crane boom for buildings.

Background

The cargo boom is commonly called as an arm support and a suspension arm, a bidirectional bending metal structural part for supporting a lifting rope, a fetching device or an amplitude variation trolley is supported on a rotary table or a tower body of the crane by a connecting pin shaft, a steel wire rope or a hydraulic cylinder, and for the cargo boom which can swing in a pitching way, the inclination angle of the cargo boom is changed by an amplitude variation mechanism so as to change the amplitude and the lifting height of the crane; the horizontal crane boom is changed in amplitude by using an amplitude variation trolley to move back and forth on the horizontal crane boom and is divided into a truss crane boom and a box crane boom according to different structures; the device is divided into a movable arm of a crane, a main cargo boom, an auxiliary cargo boom, a telescopic boom, a folding boom, a goose head frame and the like according to different functions. The existing building crane boom is generally a hoisting machine for vertically lifting and horizontally transporting heavy objects within a certain range, but the building type crane boom cannot adjust the angle in the process of transporting heavy objects, can only horizontally and vertically transport building articles, and cannot transport the building articles to some specified positions, and the counterweight on the existing crane boom is fixed on the crane boom, so that the counterweight of the crane boom cannot be adjusted according to the weight of the transported articles, and the use is inconvenient, so that the improvement is needed.

Therefore, it is necessary to develop a crane arm for construction to solve at least one of the above-mentioned technical problems.

Disclosure of Invention

The object of the present invention is to provide a crane arm for construction, which solves the problems mentioned in the background art.

The above object of the present invention can be achieved by the following technical solutions:

the invention provides a lifting arm for a building, which comprises a rotating sleeve, wherein an adjusting mechanism is arranged on the rotating sleeve, one side of the middle part of the rotating sleeve is fixedly connected with a connecting arm, and the connecting arm is provided with a replacing mechanism;

change mechanism and include the install bin, the inboard bottom front and back end of install bin all is provided with the spout, the equal sliding connection in inside one side of spout has first slider, the upper end of first slider is fixed connection respectively and is being located the lower extreme middle part front and back side of corresponding balancing weight, the well lower part front and back side of balancing weight all is provided with first through-hole, the inside opposite side sliding connection of spout has the second slider, the upper end of second slider is fixed connection respectively and is being located the lower extreme middle part front and back side of limiting plate, the equal equidistance in middle part one side of side is provided with a plurality of jack, left side around the install bin all be provided with connecting screw in the jack, just connecting screw's rear end runs through corresponding connecting hole and outwards extends.

Further, adjustment mechanism includes the motor, the pivot fixed connection of motor is in the middle part of first gear, the meshing is connected with the ring gear on the first gear, the inboard fixed connection of ring gear is in the well upper end of first fixed column.

Furthermore, it still includes the second fixed column to change the mechanism, the one end of second fixed column runs through the first through-hole and the second through-hole that the homonymy corresponds respectively and outwards extends, the equal threaded connection in rear end of connecting screw has stop nut.

Furtherly, the inboard rotation of rotating the cover is connected in the well upper end of first fixed column, the equal fixedly connected with spacing ring in upper middle part of first fixed column.

Furthermore, the other side of the middle part of the rotating sleeve is fixedly connected to one end of the crane boom body, and one side of the middle part of the lower end of the crane boom body is provided with a suspension hook.

Further, the bottom fixed connection of first fixed column is in the upper end middle part of base, the equidistance is provided with a plurality of fixed orifices on the base.

Further, the upper end middle part of first fixed column is provided with the warning light, be provided with safety warning label on the first fixed column.

Furthermore, the cross-sections of the sliding groove, the first sliding block and the second sliding block are T-shaped, and the outer diameter of the second fixing column is matched with the inner diameters of the first through hole and the second through hole.

Furthermore, the jack is matched with the connecting screw rod.

Further, the material that the balancing weight adopted is the concrete material.

The invention has the characteristics and advantages that:

according to the invention, the motor on the rotating sleeve works, the rotating shaft of the motor drives the first gear to rotate, and the first gear rotates on the gear ring on the first fixed column, so that the rotating sleeve, the crane boom body and the connecting arm are driven to synchronously rotate on the first fixed column, and the angle of the crane boom is adjusted when the crane boom conveys building materials.

According to the invention, the connecting screw rod in the jack is taken out, the second sliding block of the limiting plate slides out of the sliding groove, the counterweight block in the installation box is taken out or inserted into the second fixed column and the sliding groove, the number of the counterweight blocks on the second fixed column in the installation box is increased or reduced, after the adjustment is finished, the second sliding block on the limiting plate slides into the sliding groove, the second fixed column is inserted into the second through hole, the counterweight block in the installation box is limited through the limiting plate, and finally the limiting plate and the installation box are fixed by penetrating through the jack and the connecting hole at the alignment position through the connecting screw rod, so that the adjustment of the counterweight is realized, and the counterweight of the crane boom can be adjusted according to the weight of conveyed articles.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front side view of a construction boom;

FIG. 2 is a rear side view of a construction boom;

FIG. 3 is a side view of the internal structure of a mounting box of a crane arm for construction;

FIG. 4 is a side view of a counterweight structure for a lifting arm for a building;

fig. 5 is a side view of a limiting plate structure of the crane arm for construction.

The reference numbers illustrate:

1. a base; 2. a first fixed column; 3. a first gear; 4. suspending a hook; 5. a boom body; 6. a motor; 7. a limiting ring; 8. an adjustment mechanism; 9. installing a box; 10. a counterweight block; 11. a limiting plate; 12. a second fixed column; 13. a mechanism is replaced; 14. a chute; 15. connecting a screw rod; 16. a jack; 17. a toothed ring; 18. a connecting arm; 19. a warning light; 20. rotating the sleeve; 21. a first through hole; 22. a first slider; 23. a second through hole; 24. a second slider; 25. and (4) connecting the holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-5, the invention provides a lifting arm for buildings, which comprises a rotating sleeve 20, wherein an adjusting mechanism 8 is arranged on the rotating sleeve 20, a connecting arm 18 is fixedly connected to one side of the middle part of the rotating sleeve 20, and the connecting arm 18 is provided with a replacing mechanism 13; the replacing mechanism 13 comprises an installation box 9, the front and rear ends of the inner bottom of the installation box 9 are respectively provided with a sliding groove 14, one side inside the sliding groove 14 is respectively connected with a first sliding block 22 in a sliding way, the upper end of the first sliding block 22 is respectively fixedly connected with the front and rear sides of the middle part of the lower end of the corresponding balancing weight 10, the front and rear sides of the middle lower part of the balancing weight 10 are respectively provided with a first through hole 21, the other side inside the sliding groove 14 is connected with a second sliding block 24 in a sliding way, the upper end of the second sliding block 24 is respectively fixedly connected with the front and rear sides of the middle part of the lower end of the limiting plate 11, the upper and lower ends of the middle part of the front and rear sides of the installation box 9 are respectively provided with a plurality of jack holes 16 at equal intervals, the jack hole 16 at the left side is provided with a connecting screw 15, the rear end of the connecting screw 15 penetrates through the corresponding connecting hole 25 and extends outwards, when the balance weight on the crane boom needs to be adjusted, firstly, take out the connecting screw 15 in the jack 16, then slide out the second slider 24 of the limiting plate 11 from the sliding chute 14, then take out or insert the balancing weight 10 in the installation box 9 from the second fixed column 12 and the sliding chute 14, increase or reduce the number of the balancing weights 10 on the second fixed column 12 in the installation box 9, after the adjustment is finished, slide the second slider 24 on the limiting plate 11 into the sliding chute 14, simultaneously insert the second fixed column 12 into the second through hole 23, limit the balancing weight 10 in the installation box 9 through the limiting plate 11, finally penetrate through the jack 16 and the connecting hole 25 at the alignment position through the connecting screw 15, fix the limiting plate 11 and the installation box 9, and thus realize the adjustment and replacement of the balancing weight.

The second embodiment:

as shown in fig. 1 to 5, in the present embodiment, based on the structural arrangement disclosed in the above embodiment, the adjusting mechanism 8 includes a motor 6, a rotating shaft of the motor 6 is fixedly connected to a middle portion of the first gear 3, a toothed ring 17 is engaged and connected to the first gear 3, an inner side of the toothed ring 17 is fixedly connected to a middle upper end of the first fixed column 2, the replacing mechanism 13 further includes a second fixed column 12, one end of the second fixed column 12 penetrates through the first through hole 21 and the second through hole 23 corresponding to the same side and extends outward, a limit nut is screwed to a rear end of the connecting screw 15, the motor 6 on the rotating sleeve 20 operates, the rotating shaft of the motor 6 drives the first gear 3 to rotate, the first gear 3 rotates on the toothed ring 17 on the first fixed column 2, so as to drive the rotating sleeve 20, the boom body 5 and the connecting arm 18 to synchronously rotate on the first fixed column 2, thereby adjusting an angle of the boom when the boom is conveying a building material.

Example three:

as shown in fig. 1-5, in the present embodiment, based on the structural arrangement disclosed in the above embodiments, the inner side of the rotating sleeve 20 is rotatably connected to the middle upper end of the first fixing column 2, the middle upper portion of the first fixing column 2 is fixedly connected to the limiting ring 7, when the rotating sleeve 20 rotates on the first fixing column 2, the rotating sleeve 20 is limited at the upper end and the lower end on the first fixing column 2 by the limiting ring 7, which is beneficial to improving the stability of the whole device, the other side of the middle portion of the rotating sleeve 20 is fixedly connected to one end of the jib body 5, one side of the middle portion of the lower end of the jib body 5 is provided with the suspension hook 4, the jib body 5 is driven to rotate synchronously by the rotating sleeve 20 rotating on the first fixing column 2, so as to adjust the angle of the jib body 5, and the construction material in the construction engineering is suspended by the suspension hook 4, the bottom end of the first fixing column 2 is fixedly connected to the middle portion of the upper end of the base 1, A plurality of fixing holes are equidistantly arranged on a base 1, the lower end of a first fixing column 2 is fixed through the base 1, the base 1 and an upper end device are fixed with the ground through connecting bolts through the fixing holes on the base 1, a warning lamp 19 is arranged in the middle of the upper end of the first fixing column 2, a safety warning label is arranged on the first fixing column 2, surrounding workers are warned safely through the warning lamp 19 and a safety warning label column on the first fixing column 2, safety accidents are prevented, sections of a sliding groove 14, a first sliding block 22 and a second sliding block 24 are all in a T shape, the outer diameter of the second fixing column 12 is matched with the inner diameters of a first through hole 21 and a second through hole 23, a balancing weight 10 and a limiting plate 11 are connected and fixed with the sliding groove 14 through the sliding groove 14, the first sliding block 22 and a second sliding block 24 which are matched with the T shape, improve the stability of whole device, jack 16 and connecting screw 15 phase-match, jack 16 and connecting hole 25 through connecting screw 15 running through the counterpoint position fix limiting plate 11 in install bin 9, and carry out spacing fixed with the balancing weight 10 in the install bin 9 through limiting plate 11, the material that balancing weight 10 adopted is the concrete material, the balancing weight 10 quality of concrete material is heavier, be convenient for do the counter weight and use, and concrete material structural strength is higher, and life is longer.

The working principle is as follows: when the crane boom conveys building materials, the motor 6 on the rotating sleeve 20 works, a rotating shaft of the motor 6 drives the first gear 3 to rotate, the first gear 3 rotates on the toothed ring 17 on the first fixed column 2, so that the rotating sleeve 20, the crane boom body 5 and the connecting arm 18 are driven to synchronously rotate on the first fixed column 2, and accordingly angle adjustment of the crane boom during conveying of the building materials is achieved.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lifting arm for construction, comprising a rotating sleeve (20), characterized in that: an adjusting mechanism (8) is arranged on the rotating sleeve (20), a connecting arm (18) is fixedly connected to one side of the middle of the rotating sleeve (20), and a replacing mechanism (13) is arranged on the connecting arm (18);

change mechanism (13) and include install bin (9), the inboard bottom front and back end of install bin (9) all is provided with spout (14), spout (14) inside one side equal sliding connection has first slider (22), the upper end difference fixed connection of first slider (22) is in the lower extreme middle part front and back side of corresponding balancing weight (10), the well lower part front and back side of balancing weight (10) all is provided with first through-hole (21), spout (14) inside opposite side sliding connection has second slider (24), the upper end difference fixed connection of second slider (24) is in the lower extreme middle part front and back side of limiting plate (11), the equal equidistance of middle part one side upper and lower extreme of install bin (9) front and back side is provided with a plurality of jack (16), left side all be provided with connecting screw rod (15) in jack (16), just the rear end of connecting screw rod (15) runs through corresponding connecting hole (25) and outwards extends.

2. A lifting arm for construction as claimed in claim 1, wherein: adjustment mechanism (8) include motor (6), the pivot fixed connection of motor (6) is in the middle part of first gear (3), meshing is connected with ring gear (17) on first gear (3), the inboard fixed connection of ring gear (17) is in the well upper end of first fixed column (2).

3. A lifting arm for construction as claimed in claim 1, wherein: the replacing mechanism (13) further comprises a second fixing column (12), one end of the second fixing column (12) penetrates through a first through hole (21) and a second through hole (23) which correspond to the same side respectively and extends outwards, and a limiting nut is connected to the rear end of the connecting screw rod (15) in a threaded mode.

4. A lifting arm for construction as claimed in claim 1, wherein: the inboard of rotating cover (20) is rotated and is connected the well upper end at first fixed column (2), the equal fixedly connected with spacing ring (7) in the well upper portion of first fixed column (2).

5. A lifting arm for construction as claimed in claim 1, wherein: the other side of the middle part of the rotating sleeve (20) is fixedly connected to one end of the crane boom body (5), and one side of the middle part of the lower end of the crane boom body (5) is provided with a suspension hook (4).

6. A lifting arm for construction as claimed in claim 2, wherein: the bottom end of the first fixing column (2) is fixedly connected to the middle of the upper end of the base (1), and a plurality of fixing holes are formed in the base (1) at equal intervals.

7. A construction jib according to claim 2, wherein: the upper end middle part of first fixed column (2) is provided with warning light (19), be provided with safety warning label on first fixed column (2).

8. A lifting arm for construction as claimed in claim 3, wherein: the cross sections of the sliding groove (14), the first sliding block (22) and the second sliding block (24) are all T-shaped, and the outer diameter of the second fixing column (12) is matched with the inner diameters of the first through hole (21) and the second through hole (23).

9. A construction jib according to claim 1, wherein: the jack (16) is matched with the connecting screw rod (15).

10. A lifting arm for construction as claimed in claim 1, wherein: the material that balancing weight (10) adopted is the concrete material.