CN218860193U

CN218860193U - Foldable crane boom

Info

Publication number: CN218860193U
Application number: CN202221863825.2U
Authority: CN
Inventors: 姚义军; 叶萍; 曾松青
Original assignee: Hubei Jiatong Electromechanical Equipment Installation Co ltd
Current assignee: Hubei Jiatong Electromechanical Equipment Installation Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-04-14
Anticipated expiration: 2032-07-20

Abstract

The utility model provides a folded cascade jib loading boom, including the jib loading boom body, the inside connection chamber of nesting mutually with folding arm of seting up of jib loading boom body, this folded cascade jib loading boom, transmission through the inside driving motor of jib loading boom body and screw shaft, it is spacing with running through of folding arm rear end limiting plate that multiunit guide bar, can carry out stable release to folding arm and use and folding accomodating, and the threaded connection through screw shaft and folding arm rear end hub connection, can carry out stable anti-skidding auto-lock protection to folding arm's use, the steadiness in the folding flexible use of the device has been improved, simultaneously through the fixed of jib loading boom body outside connecting axle and hoist rope, jib loading boom body and the spacing bearing of erection column junction lead to the position of restrainting of hoist rope, and the tightening up of hoist rope of erection column outside rolling motor output department rolling axle, can carry out stable hoist and mount reinforcement protection to the jib loading boom body outside, the security in the use has been improved.

Description

Foldable crane boom

Technical Field

The utility model relates to a jib loading boom technical field specifically is a folded cascade jib loading boom.

Background

The crane boom is a common hoisting device in hoisting equipment, is used for hoisting, lifting and shipping heavy objects, and is widely applied to logistics transportation in areas such as warehouses, wharfs and the like and building material transportation of engineering buildings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folded cascade jib loading boom to the not enough of prior art existence to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a folded cascade jib loading boom, includes the jib loading boom body, the inside cavity of being connected of nesting mutually with folding arm of seting up of jib loading boom body, folding arm rear end integration is provided with the limiting plate with jib loading boom body front end opening looks block, limiting plate rear end integration is provided with the coupling seat that runs through mutually with screw shaft looks spiro union and with folding arm inside, jib loading boom body rear end integration is provided with the inside mount pad of seting up the coupling groove and pegging graft with the through-shaft, the jib loading boom body is connected with the stand connecting seat of erection column upper end through mount pad and through-shaft, the jib loading boom body outside is provided with the connecting axle of fixing mutually with hoist and mount rope one end.

Furthermore, a buffering cushion block which is in jacking position with the limit plate at the rear end of the folding arm is fixedly installed at the opening at the front end of the crane boom body.

Furthermore, the front end of the folding arm is integrally provided with a hoisting seat used for being connected with a hoisting mechanism.

Furthermore, the threaded shaft is integrally connected to the output end of the transmission motor inside the protective cavity, and the protective cavity is fixedly mounted at the rear end of the connecting cavity inside the crane boom body.

Furthermore, the opening end of the crane boom body, the limiting plate and the buffering cushion block are all internally aligned and run through with a plurality of groups of running-through grooves which are nested with the guide rods, and the transmission motor in the protection cavity forms a telescopic structure with the folding arm through a threaded shaft and a coupling seat.

Furthermore, a hydraulic cylinder connecting seat connected with the output end of the inclined hydraulic cylinder in a shaft connection mode is arranged at the bottom of the crane boom body, and an inclined plane fixing seat fixed to the bottom of the inclined hydraulic cylinder is arranged on the outer side of the mounting upright post.

Furthermore, the mounting upright post and the crane boom body form a turnover structure through an inclined hydraulic cylinder.

Furthermore, the penetrating shaft is provided with a limiting bearing which is opposite to the connecting shaft and connected with the hoisting rope bundling position, the bottom side of the mounting upright post is provided with a limiting groove which is embedded with the winding motor 25, and the output end of the winding motor is connected with a winding shaft which is used for limiting the winding of the hoisting rope.

The utility model has the advantages that: the utility model discloses a folded cascade jib loading boom, including jib loading boom body, connection chamber, folding arm, hoist and mount seat, limiting plate, cushion block, coupling seat, run through groove, driving motor, threaded shaft, protection chamber, guide bar, mount pad, coupling groove, run through axle, installation stand, stand connecting seat, pneumatic cylinder connecting seat, put pneumatic cylinder, inclined plane fixing base, connecting axle, hoist and mount rope, spacing bearing, spacing groove, rolling motor and rolling axle to one side.

1. This folded cascade jib loading boom, the inside cavity of being connected of nesting mutually with folding arm of seting up of jib loading boom body, and through the transmission of the inside transmission motor of jib loading boom body and screw spindle, multiunit guide bar and the running through of folding arm rear end limiting plate are spacing, can carry out stable release use and folding the accomodating to folding arm, and through the threaded connection of screw spindle with folding arm rear end coupling seat, can send out folding arm through the transmission of transmission motor and screw spindle after, carry out stable anti-skidding auto-lock protection to folding arm, the steadiness in the folding flexible use of the device has been improved, simultaneously through the fixed of jib loading boom body outside connecting axle and hoist rope, jib loading boom body and installation stand junction spacing bearing are to the position direction of restrainting of hoist rope, and installation stand outside motor output department's axle tightens up the hoist rope, can carry out stable hoist and mount reinforcement protection to the jib loading boom body outside, the security in the device uses has been improved, and through the setting up of jib loading boom body front end opening part buffering cushion, can carry out stable anticollision protection to folding of folding arm, the device's flexibility has been improved the functionality.

Drawings

Fig. 1 is a schematic view of a main view structure of a boom body of a foldable boom according to the present invention when connected to an installation column;

fig. 2 is a schematic view of a main-view appearance structure of a boom body of the foldable boom of the present invention;

fig. 3 is a schematic view of a folding arm front-view appearance structure of the foldable crane boom of the present invention;

fig. 4 is a front view structural section view of the foldable boom of the present invention extending from the inside of the boom body;

fig. 5 is an enlarged structural schematic view of a position a in fig. 4 of the foldable boom according to the present invention;

in the figure: 1. a boom body; 2. a connecting cavity; 3. a folding arm; 4. hoisting a base; 5. a limiting plate; 6. buffering cushion blocks; 7. a shaft joint seat; 8. a through groove; 9. a drive motor; 10. a threaded shaft; 11. a protective cavity; 12. a guide bar; 13. a mounting base; 14. a shaft connecting groove; 15. penetrating the shaft; 16. mounting the upright post; 17. a column connecting base; 18. a hydraulic cylinder connecting seat; 19. obliquely arranging a hydraulic cylinder; 20. a slope fixing seat; 21. a connecting shaft; 22. hoisting a rope; 23. a limit bearing; 24. a limiting groove; 25. a winding motor; 26. and (7) winding the shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a foldable crane boom comprises a crane boom body 1, wherein a connecting cavity 2 nested with a folding arm 3 is formed in the crane boom body 1, a limiting plate 5 clamped with an opening at the front end of the crane boom body 1 is integrally arranged at the rear end of the folding arm 3, a shaft connecting seat 7 which is screwed with a threaded shaft 10 and penetrates through the folding arm 3 is integrally arranged at the rear end of the limiting plate 5, a shaft connecting groove 14 is formed in the rear end of the crane boom body 1, a mounting seat 13 which is inserted with a through shaft 15 is integrally arranged at the rear end of the crane boom body 1, the crane boom body 1 is connected with a stand column connecting seat 17 at the upper end of a mounting stand column 16 through the mounting seat 13 and the through shaft 15, a connecting shaft 21 which is fixed with one end of a hoisting rope 22 is arranged at the outer side of the crane boom body 1, and the stable combined installation of the crane boom can be realized through the combined insertion of the shaft connecting groove 14 and the through shaft 15 at the stand column connecting seat 17 at the rear end of the crane boom body 1 and the mounting stand column 16.

This embodiment, 1 front end opening part fixed mounting of jib loading boom body has the cushion 6 with the 5 looks top positions of folding 3 rear end spacing boards of arm, 3 front end integration of folding arm is provided with and is used for the hoist and mount seat 4 that is connected with hoisting machine structure, when the device carries out the use, through 1 front end opening part cushion 6's of jib loading boom body setting, can carry out stable anticollision protection to folding 3 flexible folding.

This embodiment, threaded shaft 10 integration is connected in the output of the inside transmission motor 9 of protection chamber 11, protection chamber 11 fixed mounting is in the rear end in 1 internal connection chamber 2 of jib loading boom, 1 open end of jib loading boom body, limiting plate 5 and the inside all counterpoint of cushion block 6 run through set up multiunit and guide bar 12 nested through groove 8 mutually, protection chamber 11 inside transmission motor 9 passes through threaded shaft 10 and hub connection 7 and folding arm 3 constitution extending structure, and when the device was used, through seting up of 1 internal connection chamber 2 of jib loading boom body, can carry out stable nested accomodating to folding arm 3, and through the transmission of 1 inside transmission motor 9 of jib loading boom body and threaded shaft 10, and the multiunit guide bar 12 between 1 of jib loading boom body and the folding arm 3 run through spacingly, can carry out stable release use and folding accomodating to folding arm 3.

In this embodiment, a hydraulic cylinder connecting base 18 connected with an output end of an inclined hydraulic cylinder 19 in a shaft coupling manner is arranged at the bottom of the boom body 1, an inclined surface fixing base 20 fixed to the bottom of the inclined hydraulic cylinder 19 is arranged on the outer side of the mounting upright post 16, the mounting upright post 16 and the boom body 1 form an overturning structure through the inclined hydraulic cylinder 19, and when the device is used, the lifting and hoisting angles of the boom body 1 and the folding arm 3 can be stably adjusted through hydraulic expansion and contraction of the inclined hydraulic cylinder 19 between the boom body 1 and the mounting upright post 16.

In this embodiment, the penetrating shaft 15 is provided with a limiting bearing 23 opposite to the connecting shaft 21 and connected to the position of the hoisting rope 22, the bottom side of the mounting column 16 is provided with a limiting groove 24 nested with the winding motor 25, the output end of the winding motor 25 is connected to a winding shaft 26 for winding and limiting the hoisting rope 22, and when the device is used, the hoisting rope 22 is tightened by the winding motor 25 and the winding shaft 26 outside the mounting column 16, so that the crane boom body 1 can be stably hoisted and reinforced.

When the foldable crane boom is used, firstly, the crane boom body 1 and the installation upright post 16 are stably assembled through the combination insertion of the shaft connecting groove 14 at the position of the installation base 13 at the rear end of the crane boom body 1 and the upright post connecting base 17 at the upper end of the installation upright post 16 and the through shaft 15, the hydraulic cylinder connecting base 18 at the bottom of the crane boom body 1 and the inclined plane fixing base 20 at the outer side of the installation upright post 16 are fixedly connected, the device is stably connected with a hoisting mechanism through the arrangement of the hoisting base 4 at the front end of the foldable arm 3, the device is fixedly installed at a position required to be used through the bottom fixing of the installation upright post 16, when the device is used, the foldable crane boom body 1 can be driven to stably overturn and adjust through the extension and retraction of the inclined hydraulic cylinder 19, and the foldable arm 3 and the hoisting base 4 connected with the hoisting mechanism can be driven to stably use and fold and store through the transmission of the transmission motor 9 and the extension of the threaded shaft 10 in the crane boom body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A foldable jib loading boom, comprising a jib loading boom body (1), characterized in that: the crane boom is characterized in that a connecting cavity (2) which is embedded with a folding arm (3) is formed in the crane boom body (1), a limiting plate (5) which is clamped with an opening in the front end of the crane boom body (1) is integrally arranged at the rear end of the folding arm (3), a shaft connecting seat (7) which is screwed with a threaded shaft (10) and penetrates through the interior of the folding arm (3) is integrally arranged at the rear end of the limiting plate (5), a shaft connecting groove (14) is formed in the rear end of the crane boom body (1) and a mounting seat (13) which is inserted with a penetrating shaft (15) is integrally arranged at the rear end of the crane boom body (1), the crane boom body (1) is connected with a stand column connecting seat (17) at the upper end of a mounting stand column (16) through the mounting seat (13) and the penetrating shaft (15), and a connecting shaft (21) which is fixed with one end of a hoisting rope (22) is arranged on the outer side of the crane boom body (1).

2. Foldable boom according to claim 1, characterized in that: the front end opening of the cargo boom body (1) is fixedly provided with a buffer cushion block (6) which is in jacking position with the rear end limiting plate (5) of the folding arm (3).

3. Foldable boom according to claim 2, characterized in that: the front end of the folding arm (3) is integrally provided with a hoisting seat (4) connected with a hoisting mechanism.

4. Foldable boom according to claim 1, characterized in that: the threaded shaft (10) is integrally connected to the output end of a transmission motor (9) in the protection cavity (11), and the protection cavity (11) is fixedly installed at the rear end of the internal connection cavity (2) of the crane boom body (1).

5. Foldable boom according to claim 4, characterized in that: the crane boom is characterized in that the opening end of the crane boom body (1), the limiting plate (5) and the buffering cushion block (6) are internally aligned and run through with a plurality of groups of running-through grooves (8) which are nested with the guide rods (12), and the transmission motor (9) in the protective cavity (11) and the folding arm (3) form a telescopic structure through a threaded shaft (10) and a shaft connecting seat (7).

6. Foldable boom according to claim 1, characterized in that: the hydraulic cylinder connecting base (18) connected with the output end of the inclined hydraulic cylinder (19) in a shaft coupling mode is arranged at the bottom of the cargo boom body (1), and the inclined plane fixing base (20) fixed to the bottom of the inclined hydraulic cylinder (19) is arranged on the outer side of the mounting upright post (16).

7. Foldable boom according to claim 6, characterized in that: the mounting upright post (16) and the crane arm body (1) form a turning structure through an inclined hydraulic cylinder (19).

8. Foldable boom according to claim 1, characterized in that: the outer side of the penetrating shaft (15) is provided with a limiting bearing (23) which is opposite to the connecting shaft (21) and connected with the bundle position of the hoisting rope (22), the bottom side of the mounting upright post (16) is provided with a limiting groove (24) which is embedded and mounted with a winding motor (25), and the output end of the winding motor (25) is connected with a winding shaft (26) which is used for winding and limiting the hoisting rope (22).