CN211393661U

CN211393661U - Crane supporting leg

Info

Publication number: CN211393661U
Application number: CN202020035545.7U
Authority: CN
Inventors: 杨崇庆; 邹士鹏
Original assignee: Taian Dadi Dynamic Compaction Heavy Industry Technology Co ltd
Current assignee: Taian Dadi Dynamic Compaction Heavy Industry Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-01
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a: crane supporting leg, including activity landing leg, lift cylinder and landing leg subassembly, the axle sleeve has been welded to one side of activity landing leg, the mount is installed through the locating pin in the outside of axle sleeve, one side of activity landing leg is equipped with the mounting groove, the stop collar is installed through the bolt in the bottom of mounting groove, lift cylinder is installed through the bolt in the top of activity landing leg one side, landing leg subassembly is installed through the bolt in lift cylinder's bottom, the pedestal is installed through the bolt in landing leg subassembly's bottom. The utility model discloses an install movable leg, through the horizontal bearing structure of the multiplicable device of movable leg, enlarged the horizontal supporting area of device, make the supporting area of its multiplicable hoist, guaranteed the steadiness that the hoist supported, prevent that the hoist from taking place the danger of turning on one's side, guaranteed the security of hoist, improved the practicality of device.

Description

Crane supporting leg

Technical Field

The utility model relates to a hoist technical field specifically is the hoist supporting leg.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as overhead traveling crane, the navigation hangs, the crane, the hoist can be divided into tire crane and crawler crane, and tire crane is formed by crawler crane evolution, becomes the chassis that has the tire with running gear's track and walking support part, has overcome the shortcoming that crawler crane grip-pad caused the destruction to the road surface, compares stability relatively poor because crawler crane of tire crane's equilibrium, so can be at tire crane's both sides installation supporting leg, increase tire crane's stability.

The existing crane supporting leg has the defects that:

1. the existing crane supporting legs cannot increase the transverse supporting area of the crane, so that the supporting stability of the crane is poor, the crane is easy to cause the risk of side turning of the crane, and the safety performance is low;

2. the existing crane supporting leg cannot be used on the ground with an inclined plane, so that the existing crane supporting leg has limitation and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane supporting leg to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: crane supporting leg, including activity landing leg, lift cylinder and landing leg subassembly, the axle sleeve has been welded to one side of activity landing leg, the mount is installed through the locating pin in the outside of axle sleeve, one side of activity landing leg is equipped with the mounting groove, the stop collar is installed through the bolt in the bottom of mounting groove, lift cylinder is installed through the bolt in the top of activity landing leg one side, and lift cylinder's bottom extends to the inside of mounting groove, landing leg subassembly is installed through the bolt in lift cylinder's bottom, the pedestal is installed through the bolt in landing leg subassembly's bottom.

Preferably, the locating pin internally mounted has the axostylus axostyle, and the bottom of axostylus axostyle is equipped with the threaded rod, and the outside of threaded rod is equipped with fixing nut, and the top welding of axostylus axostyle has the ear.

Preferably, the inside mounting of landing leg subassembly has the bracing piece, and the bottom welding of bracing piece has spacing dish, and the bottom welding of spacing dish has the shaft member, and the welding of the top of bracing piece has the adapter sleeve.

Preferably, the bottom welding of pedestal has the mounting disc, and the landing leg dish is installed through the bolt in the bottom of mounting disc, and the outside welding of pedestal has the reinforcement.

Preferably, two groups of limiting plates are welded on one side of the fixing frame, and a penetrating fixing bolt is movably mounted on one side of the fixing frame.

Preferably, the bottom of the lifting oil cylinder is provided with a mounting seat together with a bolt, and the output end of the lifting oil cylinder is movably provided with a telescopic rod.

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

1. the utility model discloses an install movable leg, through the horizontal bearing structure of the multiplicable device of movable leg, enlarged the horizontal supporting area of device, make the supporting area of its multiplicable hoist, guaranteed the steadiness that the hoist supported, prevent that the hoist from taking place the danger of turning on one's side, guaranteed the security of hoist, improved the practicality of device.

2. The utility model discloses an install the pedestal through the bolt in landing leg assembly's bottom, can be convenient for adjust landing leg dish and landing leg assembly connection angle through the pedestal, make its landing leg dish can adjust according to the inclination of holding surface, the device of being convenient for is applicable to supporting on different inclined planes, has increased the practicality of device, and the device of being convenient for uses.

3. The utility model discloses an install the axle sleeve in one side of activity landing leg, the angle of being convenient for adjust the activity landing leg through the cooperation of axle sleeve and mount makes its activity landing leg can make things convenient for the staff to adjust when not using and retrieve, reduces the storage area of activity landing leg, and the hoist of being convenient for removes.

4. The utility model discloses an install the landing leg dish in the bottom of mounting disc, through the contact surface of this device of landing leg dish multiplicable and ground, prevent that this device from taking place to turn on one's side, guaranteed the steadiness that the device supported, improve the stability of this device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic view of a local structure of the positioning pin of the present invention;

fig. 4 is a schematic view of a partial structure of the leg assembly of the present invention.

In the figure: 1. positioning pins; 101. a shaft lever; 102. a threaded rod; 103. fixing a nut; 104. an ear piece; 2. a fixed mount; 201. a limiting plate; 202. fixing the bolt; 3. a movable leg; 301. a shaft sleeve; 302. mounting grooves; 303. a limiting sleeve; 4. a pedestal; 401. mounting a disc; 402. a leg plate; 403. a reinforcement; 5. a leg assembly; 501. a support bar; 502. a limiting disc; 503. a shaft member; 504. connecting sleeves; 6. a lift cylinder; 601. a telescopic rod; 602. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a crane supporting leg comprises a movable supporting leg 3, a lifting oil cylinder 6 and a supporting leg assembly 5, wherein one side of the movable supporting leg 3 is welded with a shaft sleeve 301, the transverse supporting structure of a device can be increased through the movable supporting leg 3, the transverse supporting area of the device is enlarged, the supporting area of the crane can be increased, the supporting stability of the crane is ensured, the danger of side turning of the crane is prevented, the safety of the crane is ensured, the practicability of the device is improved, the angle of the movable supporting leg 3 can be conveniently adjusted through the matching of the shaft sleeve 301 and a fixing frame 2, the movable supporting leg 3 can be conveniently adjusted and recovered by a worker when not in use, the storage area of the movable supporting leg 3 is reduced, the crane can be conveniently moved, the fixing frame 2 is installed on the outer side of the shaft sleeve 301 through a positioning pin 1, the positioning pin 1 can be conveniently connected with, the installation efficiency of the device is improved, the installation angle of the movable supporting leg 3 is convenient to adjust, one side of the movable supporting leg 3 is provided with an installation groove 302, the installation groove 302 can provide an installation space for the supporting leg assembly 5 and the lifting oil cylinder 6 and is convenient to fixedly install, the bottom of the installation groove 302 is provided with a limit sleeve 303 through a bolt, the limit sleeve 303 can limit the moving direction of the supporting leg assembly 5 and ensure the moving stability of the supporting leg assembly 5, the top of one side of the movable supporting leg 3 is provided with the lifting oil cylinder 6 through a bolt, the lifting oil cylinder 6 can convert electric energy into hydraulic energy and push an internal piston through the hydraulic energy, so that the piston of the lifting oil cylinder pushes the telescopic rod 601 inside the lifting oil cylinder 6 to vertically move, the bottom of the lifting oil cylinder 6 is provided with the supporting leg assembly 5 through a bolt, and the lifting oil cylinder 6 can adjust, the adjustability of the device is improved, the shaft bracket 4 is installed through the bolt in the bottom of the supporting leg assembly 5, the angle between the supporting leg disc 402 and the supporting leg assembly 5 can be conveniently adjusted through the shaft bracket 4, the supporting leg disc 402 can be adjusted according to the inclination angle of the supporting surface, the device convenient to use is suitable for supporting different inclined surfaces, the practicability of the device is improved, and the device convenient to use is used.

Further, the internally mounted of locating pin 1 has axostylus axostyle 101, axostylus axostyle 101 can be convenient for run through axle sleeve 301, the position of the fixed axle sleeve 301 of being convenient for, the movable landing leg 3 that is convenient for moves about carries out movable mounting, the bottom of axostylus axostyle 101 is equipped with threaded rod 102, threaded rod 102 can cooperate the position of the fixed axostylus axostyle 101 of being convenient for with fixation nut 103, prevent that axostylus axostyle 101 from droing, the fastness of axostylus axostyle 101 installation has been guaranteed, the outside of threaded rod 102 is equipped with fixation nut 103.

Further, the internally mounted of landing leg subassembly 5 has bracing piece 501, what bracing piece 501 adopted is that stainless steel material has good toughness and rust-resistant nature, can improve the life of device, spacing dish 502 has been welded to the bottom of bracing piece 501, spacing dish 502 can prevent that bracing piece 501 and pedestal 4 angle of connection are too big, influence the steadiness that the device supported, the bottom welding of spacing dish 502 has axle 503, axle 503 accessible bolt is connected with pedestal 4, be convenient for adjust pedestal 4 angle of connection, the controllability of device has been improved, and the top welding of bracing piece 501 has adapter sleeve 504, adapter sleeve 504 can be connected with telescopic link 601, be convenient for landing leg subassembly 5 and telescopic link 601 to be connected the installation, the fastness of landing leg subassembly 5 and telescopic link 601 installation has been improved.

Further, the bottom welding of pedestal 4 has mounting disc 401, can be convenient for install landing leg dish 402 through mounting disc 401, the efficiency of landing leg dish 402 installation has been improved, landing leg dish 402 is installed through the bolt in mounting disc 401's bottom, contact surface through landing leg dish 402 multiplicable this device and ground prevents that this device from taking place to turn on one's side, the steadiness that the device supported has been guaranteed, the stability of this device is improved, and the outside welding of pedestal 4 has reinforcement 403, robustness through reinforcement 403 multiplicable pedestal 4, the fastness of pedestal 4 is improved.

Further, the welding of one side of mount 2 has two sets of limiting plate 201, can inject the position of axle sleeve 301 through two sets of limiting plate 201, and axle sleeve 301 and the installation of 1 cooperation of locating pin of being convenient for have improved device installation effectiveness, and one side movable mounting of mount 2 has fixing bolt 202 that runs through, and fixing bolt 202 can be convenient for install the device in one side of hoist, and the installation of the device of being convenient for has improved the efficiency of device installation.

Further, mount pad 602 is installed with the bolt in the bottom of lift cylinder 6, mount pad 602 can be convenient for fix lift cylinder 6 at the top of movable landing leg 3, lift cylinder 6 of being convenient for carries out fixed mounting, the fastness of lift cylinder 6 installation has been improved, and lift cylinder 6's output movable mounting has telescopic link 601, the bottom of telescopic link 601 is passed through the bolt and is connected with adapter sleeve 504, the landing leg subassembly 5 of being convenient for is connected the installation with telescopic link 601, the fastness of telescopic link 601 installation has been improved.

The working principle is as follows: before using this device, the user of service detects the device earlier, confirm not using after the problem, through the horizontal bearing structure of 3 multiplicable devices of activity landing leg, the device horizontal support area has been enlarged, make the support area of its multiplicable hoist, the steadiness that the hoist supported has been guaranteed, prevent that the hoist from taking place the danger of turning on one's side, the security of hoist has been guaranteed, the practicality of device has been improved, and the angle of being convenient for adjust activity landing leg 3 through the cooperation of axle sleeve 301 and mount 2, make its activity landing leg 3 can make things convenient for the staff to adjust when not using and retrieve, reduce the storage area of activity landing leg 3, the hoist of being convenient for removes.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. Crane supporting leg, including activity landing leg (3), lift cylinder (6) and landing leg subassembly (5), its characterized in that: one side welding of activity landing leg (3) has axle sleeve (301), mount (2) are installed through locating pin (1) in the outside of axle sleeve (301), one side of activity landing leg (3) is equipped with mounting groove (302), stop collar (303) are installed through the bolt in the bottom of mounting groove (302), lift cylinder (6) are installed through the bolt in the top of activity landing leg (3) one side, and the bottom of lift cylinder (6) extends to the inside of mounting groove (302), landing leg assembly (5) are installed through the bolt in the bottom of lift cylinder (6), pedestal (4) are installed through the bolt in the bottom of landing leg assembly (5).

2. The crane support leg of claim 1, wherein: the locating pin is characterized in that a shaft rod (101) is mounted inside the locating pin (1), a threaded rod (102) is arranged at the bottom of the shaft rod (101), a fixing nut (103) is arranged on the outer side of the threaded rod (102), and an ear piece (104) is welded to the top of the shaft rod (101).

3. The crane support leg of claim 1, wherein: the supporting leg assembly is characterized in that a supporting rod (501) is mounted inside the supporting leg assembly (5), a limiting disc (502) is welded at the bottom of the supporting rod (501), a shaft piece (503) is welded at the bottom of the limiting disc (502), and a connecting sleeve (504) is welded at the top of the supporting rod (501).

4. The crane support leg of claim 1, wherein: the bottom welding of pedestal (4) has mounting disc (401), and landing leg dish (402) are installed through the bolt in the bottom of mounting disc (401), and the outside welding of pedestal (4) has reinforcement (403).

5. The crane support leg of claim 1, wherein: two sets of limiting plates (201) are welded to one side of the fixing frame (2), and a penetrating fixing bolt (202) is movably mounted on one side of the fixing frame (2).

6. The crane support leg of claim 1, wherein: the bottom of the lifting oil cylinder (6) is provided with a mounting seat (602) together with a bolt, and the output end of the lifting oil cylinder (6) is movably provided with a telescopic rod (601).