CN219567372U

CN219567372U - Light cantilever crane

Info

Publication number: CN219567372U
Application number: CN202320195425.7U
Authority: CN
Inventors: 梁庆军
Original assignee: Tianjin Hesite Lifting Machinery Co ltd
Current assignee: Tianjin Hesite Lifting Machinery Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-22
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a light cantilever crane, which relates to the field of cranes and comprises a supporting bottom plate, wherein a fixing through hole is uniformly formed in the top surface of the supporting bottom plate, a fixing sleeve rod is vertically and upwards welded on the top surface of the supporting bottom plate, a limiting hole is uniformly formed in the outer side edge of the fixing sleeve rod, an extending ejector rod is vertically inserted in the top end of the fixing sleeve rod, a winding box body is horizontally abutted to the top end of the extending ejector rod, a side through hole is horizontally formed in the outer side edge of the winding box body, an end box body is connected with one end bolt of the winding box body, a horizontal connecting rod is horizontally arranged on the outer side edge of the extending ejector rod, an adjusting hole is uniformly formed in one side edge of the horizontal connecting rod, an extending end rod is horizontally inserted in one end far away from the extending ejector rod, and an adjustable rod body structure is adopted to enable adjustment operation to be used according to requirements, so that the environment fitness is greatly improved, and meanwhile, the whole structure is simple and convenient to carry.

Description

Light cantilever crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a light cantilever crane.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. Also known as crown block, aerial crane and crane. The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The hoisting machine has the advantages of being the hoisting machine with the widest application range and the largest number.

The crane is large in size, and is inconvenient to carry, install and use together when carrying articles and needing to hoist and mount, and the structure that can carry, install and use is a synchronous fixed knot structure, can not adjust and can not satisfy present changeable environment and use, receives certain restriction when hoisting and use for some special environments, influences the efficiency of hoist and mount.

Disclosure of Invention

The utility model aims to provide a light cantilever crane, which aims to solve the problems that the prior cranes are large in size, inconvenient to carry, install and use together and have a structure of a same-time fixed structure when carrying articles and needing to be hoisted, and can not be adjusted to meet the current changeable environment, so that the hoisting efficiency is affected due to certain limitation on the hoisting of some special environments.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a light-duty cantilever crane, includes supporting baseplate, fixed through-hole has evenly been seted up to supporting baseplate's top surface, the perpendicular upward welding of top surface of supporting baseplate has fixed loop bar, the spacing hole has evenly been seted up to fixed loop bar's outside limit, the vertical grafting in top of fixed loop bar has extension ejector pin, the top level butt joint of extension ejector pin has a rolling box body, the lateral side level of rolling box body has seted up the side through-hole, the one end bolted connection of rolling box body has the end box body, the lateral side level of extension ejector pin is provided with the horizontal connecting rod, the regulation hole has evenly been seted up on one side of horizontal connecting rod, the horizontal connecting rod has the extension end pole in the one end horizontal grafting of keeping away from the horizontal connecting rod, the inboard limit joint of end clamp piece has the leading wheel, the top screw has evenly been seted up on the top of extension ejector pin, the side of extension ejector pin evenly has been seted up to the lateral side screw, the one end welding of horizontal connecting rod has the butt joint end piece, the side of butt joint end piece has the even set up the cooperation end clamp piece, the wire winding end has the winding end box body to have the winding end side of rolling box body, the winding end side has the winding end box body.

As a preferred embodiment of the present utility model: the fixed through holes are all one-to-one correspondingly and are arranged at the top surface of the supporting bottom plate close to the four-side corner, the bottom end fixing of the fixed sleeve rod is arranged at the center of the top surface of the supporting bottom plate, and the limiting holes are uniformly distributed along the vertical direction in a straight line.

As a preferred embodiment of the present utility model: the connecting plate butt joint of the bottom surface central point of rolling box body sets up in the top position of extension ejector pin, and sets up the medial border position at the top screw through bolt fixed connection, and the lateral through-hole is the lateral border central point who runs through and sets up at the rolling box body, and the inside of lateral through-hole keeps the intercommunication setting each other with the inside of rolling box body.

As a preferred embodiment of the present utility model: the horizontal connecting rod is horizontally arranged at the top end position of the outer side edge of the extension ejector rod, the number of the adjusting holes is multiple, the adjusting holes are horizontally arranged in a line shape and are arranged at the side edge central line position of the horizontal connecting rod, and the guide wheel is clamped and arranged at the inner side edge of the end clamping groove.

As a preferred embodiment of the present utility model: the side screw holes are uniformly formed in the position, close to the top end, of the outer side edge of the extending ejector rod, the opening ends are uniformly and correspondingly butted with the opening ends of the matched side holes, the butted end blocks are butted with the top end position of the outer side edge of the extending ejector rod, and the butted end blocks penetrate through the matched side holes through bolts and are fixedly connected with the side screw holes through threads.

As a preferred embodiment of the present utility model: the winding axostylus axostyle level sets up in the inboard axis position of rolling box body, and the output level extension welding of winding motor sets up in the one end position of winding axostylus axostyle, and the one end of jack-up steel wire runs through the side through-hole and extends to the outside limit and twines at the outside limit of leading wheel.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, after the supporting bottom plate is horizontally placed at a designated position, the supporting bottom plate is fixed through the fixing through holes by bolts, after the extending ejector rod at the top end is stretched upwards to a designated length, the supporting bottom plate is clamped and arranged in the corresponding limiting hole to be fixed, meanwhile, after the extending end rod is stretched to the designated length, the clamping block is clamped and fixed in the adjusting hole, after the whole supporting bottom plate is adjusted, the winding motor is controlled to rotate to drive the winding shaft rod to rotate, the winding shaft rod releases the lifting steel wire at the outer side to release, the winding shaft rod is guided by the guide wheel at one end to move downwards to be fixed on an object, and then the winding shaft rod is driven to wind the lifting steel wire under the rotation of the winding motor, so that the object is lifted to the designated height position to be lifted.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a light jib crane;

FIG. 2 is a schematic structural view of a fixed loop bar side view cross-section connection detail of a light-duty jib crane;

FIG. 3 is a schematic view of the structure of an extension ram of a light jib crane in top-down connection detail;

FIG. 4 is a schematic structural view of a light jib crane with horizontal links in top view and cross-section connection details;

fig. 5 is a schematic structural view of a connection detail of a top view section of a winding box of a light cantilever crane.

In the figure: 1. a support base plate; 2. a fixing through hole; 3. fixing the loop bar; 4. a limiting hole; 5. extending the ejector rod; 6. winding the box body; 7. a side through hole; 8. an end box body; 9. a horizontal link; 10. an adjustment aperture; 11. extending the end rod; 12. an end clamping block; 13. a guide wheel; 14. a top screw hole; 15. a side screw hole; 16. abutting the end blocks; 17. matching with the side holes; 18. an end clamping groove; 19. winding a shaft lever; 20. a winding motor; 21. and (5) hoisting the steel wire.

Detailed Description

Referring to fig. 1, in the embodiment of the utility model, a light cantilever crane comprises a supporting bottom plate 1, wherein a fixing through hole 2 is uniformly formed on the top surface of the supporting bottom plate 1, a fixing sleeve rod 3 is vertically welded upwards on the top surface of the supporting bottom plate 1, a limit hole 4 is uniformly formed on the outer side edge of the fixing sleeve rod 3, the fixing through hole 2 is correspondingly and correspondingly formed on the top surface of the supporting bottom plate 1 near the four-corner position, the bottom end of the fixing sleeve rod 3 is fixedly arranged on the center of the top surface of the supporting bottom plate 1, the limit holes 4 are uniformly arranged in a straight line from the vertical direction, an extension ejector rod 5 is vertically inserted into the top end of the fixing sleeve rod 3, a winding box body 6 is horizontally abutted to the top end of the extension ejector rod 5, a side through hole 7 is horizontally formed on the outer side edge of the winding box body 6, a connecting plate at the center of the bottom surface of the winding box body 6 is abutted to the top end of the extension ejector rod 5, the side through hole 7 is arranged at the center of the outer side of the winding box body 6 in a penetrating way, the inside of the side through hole 7 and the inside of the winding box body 6 are mutually kept in a communicating way, one end of the winding box body 6 is connected with the end box body 8 through bolts, the outer side of the extending ejector rod 5 is horizontally provided with a horizontal connecting rod 9, one side of the horizontal connecting rod 9 is uniformly provided with an adjusting hole 10, one end of the horizontal connecting rod 9 far away from the extending ejector rod 5 is horizontally inserted with an extending end rod 11, one end of the extending end rod 11 far away from the horizontal connecting rod 9 is obliquely welded with an end clamping block 12, the inner side of the end clamping block 12 is clamped with a guide wheel 13, the horizontal connecting rod 9 is horizontally arranged at the top end of the outer side of the extending ejector rod 5, the number of the adjusting holes 10 is multiple, the adjusting holes 10 are horizontally arranged at the side center line of the horizontal connecting rod 9 in a line shape, the guide wheel 13 is clamped and arranged on the inner side edge of the end clamping groove 18;

referring to fig. 2-5, in an embodiment of the present utility model, a top screw hole 14 is uniformly formed at the top end of the extension ejector rod 5, a side screw hole 15 is uniformly formed at the side edge of the extension ejector rod 5, a butt end block 16 is welded at one end of the horizontal connecting rod 9, a mating side hole 17 is uniformly formed at the side edge of the butt end block 16, the side screw hole 15 is uniformly formed at the outer side edge of the extension ejector rod 5 near the top end, an open end is uniformly and correspondingly butt-jointed at the open end of the mating side hole 17, the butt end block 16 is butt-jointed at the top end of the outer side edge of the extension ejector rod 5, and is fixedly connected with the side screw hole 15 by penetrating through the mating side hole 17 through a bolt, an end clamping groove 18 is formed at one end far away from the extension end rod 11, a winding shaft lever 19 is horizontally inserted at the inner side edge of the winding box 6, a winding motor 20 is bolted at the inner side edge of the end box 8, a hoisting steel wire 21 is horizontally wound at the inner side edge of the winding box 6, an output end of the winding motor 20 is horizontally extended and welded at one end position of the winding shaft 19, and the hoisting steel wire 21 is penetrated at the outer side of the central axis 13 of the winding wheel 13.

The working principle of the utility model is as follows:

after the supporting bottom plate 1 is horizontally placed at a designated position, the supporting bottom plate is fixed through the fixing through hole 2 by a bolt, after the extending ejector rod 5 at the top is stretched upwards to a designated length, the supporting bottom plate is fixed in the corresponding limiting hole 4 by clamping the clamping blocks, meanwhile, after the extending end rod 11 is stretched to the designated length, the clamping blocks are clamped into the adjusting holes 10 to be fixed, after the whole supporting bottom plate is adjusted, the winding motor 20 is controlled to rotate, the winding shaft rod 19 is driven to rotate, the winding shaft rod 19 releases the lifting steel wire 21 at the outer side to release the lifting steel wire, the winding shaft rod 19 moves downwards to be fixed on an object under the guide of the guide wheel 13 at one end, and then the winding shaft rod 19 winds the lifting steel wire 21 under the rotation of the winding motor 20, so that the object is lifted at the designated height position to complete the lifting operation.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a light cantilever crane, includes supporting baseplate (1), its characterized in that, fixed through-hole (2) have evenly been seted up to the top surface of supporting baseplate (1), fixed loop bar (3) have evenly been seted up to the top surface of supporting baseplate (1) perpendicularly upwards welding, spacing hole (4) have evenly been seted up to the lateral margin of fixed loop bar (3), the vertical grafting in top of fixed loop bar (3) has extension ejector pin (5), the top level butt joint of extension ejector pin (5) has rolling box body (6), lateral side horizontal offer side through-hole (7) of rolling box body (6), the one end bolted connection of rolling box body (6) has end box body (8), the lateral side level of extension ejector pin (5) is provided with horizontal connecting rod (9), one side of horizontal connecting rod (9) has evenly been seted up extension end bar (11) in the one end level of keeping away from extension ejector rod (5), extension end bar (11) has inclined block (12) of one end of keeping away from horizontal connecting rod (9), the one end of extension end (14) has evenly been cut into screw (14) and has been provided with end box body (8), the side of extension wheel (13), the one end welding of horizontal connecting rod (9) has butt joint end block (16), cooperation side opening (17) have evenly been seted up to the side of butt joint end block (16), end joint groove (18) have been seted up in the one end of keeping away from extension end pole (11) to end joint block (12), the inboard side level grafting of rolling box body (6) has rolling axostylus axostyle (19), the inboard side bolted connection of end box body (8) has rolling motor (20), the outside limit winding of rolling axostylus axostyle (19) has jack-up steel wire (21).

2. The light cantilever crane according to claim 1, wherein the fixing through holes (2) are uniformly and correspondingly arranged at the top surface of the supporting bottom plate (1) near the four-side angle, the bottom end fixing of the fixing sleeve rod (3) is arranged at the center of the top surface of the supporting bottom plate (1), and the limiting holes (4) are uniformly arranged in a straight line from the vertical direction.

3. The light cantilever crane according to claim 1, wherein the connecting plate at the center of the bottom surface of the winding box body (6) is abutted to the top end of the extension ejector rod (5) and fixedly connected to the inner side of the ejector rod hole (14) through bolts, the side through hole (7) is arranged at the center of the outer side of the winding box body (6) in a penetrating manner, and the inside of the side through hole (7) and the inside of the winding box body (6) are in communication.

4. The light cantilever crane according to claim 1, wherein the horizontal connecting rod (9) is horizontally arranged at the top end position of the outer side edge of the extension ejector rod (5), the number of the adjusting holes (10) is multiple, the plurality of the adjusting holes (10) are horizontally arranged at the side center line position of the horizontal connecting rod (9) in a straight line shape, and the guide wheel (13) is clamped and arranged at the inner side edge of the end clamping groove (18).

5. The light cantilever crane according to claim 1, wherein the side screw holes (15) are uniformly formed in the outer side edge of the extension ejector rod (5) near the top end, the open ends are uniformly and correspondingly butted at the open ends of the matched side holes (17), the butted end blocks (16) are butted at the top end of the outer side edge of the extension ejector rod (5), and the butted end blocks are fixedly connected with the side screw holes (15) through the matched side holes (17) in a threaded manner.

6. The light cantilever crane according to claim 1, wherein the winding shaft lever (19) is horizontally arranged at the inner side central axis position of the winding box body (6), the output end of the winding motor (20) is horizontally extended and welded at one end position of the winding shaft lever (19), and one end of the hoisting steel wire (21) penetrates through the side through hole (7) to extend to the outer side edge and is wound on the outer side edge of the guide wheel (13).