CN203558780U

CN203558780U - Ship-mounted crane suspension arm supporting mechanism

Info

Publication number: CN203558780U
Application number: CN201320745913.7U
Authority: CN
Inventors: 胡江; 梁磊
Original assignee: WUXI DISCRANE HEAVY MACHINERY Co Ltd
Current assignee: WUXI DISCRANE HEAVY MACHINERY Co Ltd
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2014-04-23
Anticipated expiration: 2023-11-25

Abstract

The utility model discloses a ship-mounted crane suspension arm supporting mechanism which comprises a suspension arm pivot, wherein a stop plate is mounted at one end of the suspension arm pivot through a fastening piece; a step is arranged on the suspension arm pivot; a joint bearing is arranged at the step; a support is mounted on the outer circumferential surface of the joint bearing; the support is connected with the root part of the suspension arm through a flange; a retainer ring is further mounted at one end of the joint bearing and positioned at the position of the step; a through cover is mounted on the outer circumferential surface of the retainer ring through a dustproof ring; the through cover is connected with the support through a fastening member; a baffle is mounted at the outer end of the suspension arm pivot; the baffle is used for shielding the end face of the suspension arm pivot and the joint bearing; the baffle is fastened on the end face of the suspension arm through a plurality of second bolts; an end cover is further arranged on the outer end face of the suspension arm pivot; the end cover is connected with the support through a plurality of third bolts. By using the joint bearing, the ship-mounted crane suspension arm supporting mechanism has a self-aligning function, not only can the mounting error due to mounting disalignment generated in a mounting process of the root part of the suspension arm be effectively solved, but also the ship-mounted crane suspension arm supporting mechanism is good in reliability and strong in practicability.

Description

Marine crane boom supporting construction

Technical field

The utility model relates to weight-lifting equipment technical field, especially a kind of marine crane boom supporting construction.

Background technology

Deck crane is the device for handling goods and the machinery that boats and ships are provided for oneself, mainly contains derrick rig, deck crane and other loading-unload machines.

Existing ship is with on crane market, the arm supporting structure of the arm root of rope luffing crane for ship, what its inside adopted is copper sheathing liner, in arm working process, wearing and tearing are more serious, long-time use after wearing and tearing, making internal clearance, excessive to cause arm to rock more serious, affects the safety that whole rope luffing crane for ship used; The installation errors such as the installation disalignment that arm root produces in installation process in addition, himself can not carry out the functions such as Self-aligning.

Utility model content

The applicant, for the shortcoming in above-mentioned existing production technology, provides a kind of marine crane boom supporting construction rational in infrastructure, thereby has improved the reliability of service of arm, improves the complete machine safety performance of hoisting crane.

The technical scheme that the utility model adopts is as follows:

A kind of marine crane boom supporting construction, comprise arm pivot, one end of described arm pivot is provided with check plate by fastener, on described arm pivot, be provided with step, be positioned at step place oscillating bearing is installed, erection support on the outer circumference surface of described oscillating bearing, described bearing is connected with arm root by flange, one end of described oscillating bearing is also positioned at step place back-up ring is also installed, the outer circumference surface place of described back-up ring is provided with logical lid by dust ring, described logical lid is connected with bearing by fastener, be positioned at arm pivot outer end baffle plate is installed, described baffle plate blocks arm pivot end face and oscillating bearing, described baffle plate by multiple the second bolted in arm pivot end face, be positioned at arm pivot outer face and be also provided with end cap, described end cap is connected with bearing by multiple the 3rd bolts.

As the further improvement of technique scheme:

Arm pivot middle part has oil circuit, and described oil circuit extends to bearing place, and the top that is positioned at oil circuit is provided with lubricating cup;

Described check plate middle part is also porose, and described check plate is by multiple the first bolts and arm pivotal joint.

The beneficial effects of the utility model are as follows:

The utility model compact conformation, reasonable, make with easy for installation, can effectively avoid the inner arm that uses copper sheathing liner and cause of arm root arm supporting structure of rope luffing crane for ship to rock large defect, affect a difficult problem for whole rope luffing crane for ship safety in utilization, the utility model adopts oscillating bearing, make himself to exist Self-aligning function, the installation error such as installation disalignment that the arm root of can efficient solution determining produces in installation process.Its reliability of service is good, practical.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model (full sectional view).

Wherein: 1, the first bolt; 2, check plate; 3, lubricating cup; 4, oil circuit; 5, arm pivot; 6, bearing; 7, Tong Gai; 8, dust ring; 9, back-up ring; 10, oscillating bearing; 11, baffle plate; 12, the second bolt; 13, end cap; 14, the 3rd bolt.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.

As shown in Figure 1, the marine crane boom supporting construction of the present embodiment, comprise arm pivot 5, one end of arm pivot 5 is provided with check plate 2 by fastener, on arm pivot 5, be provided with step, be positioned at step place oscillating bearing 10 is installed, erection support 6 on the outer circumference surface of oscillating bearing 10, bearing 6 is connected with arm root by flange, one end of oscillating bearing 10 is also positioned at step place back-up ring 9 is also installed, the outer circumference surface place of back-up ring 9 is provided with to lead to by dust ring 8 covers 7, logical cover 7 and be connected with bearing 6 by fastener, be positioned at arm pivot 5 outer ends baffle plate 11 is installed, baffle plate 11 blocks arm pivot 5 end faces and oscillating bearing 10, baffle plate 11 is anchored on arm pivot 5 end faces by multiple the second bolts 12, be positioned at arm pivot 5 outer faces and be also provided with end cap 13, end cap 13 is connected with bearing 6 by multiple the 3rd bolts 14.

Arm pivot 5 middle parts have oil circuit 4, and oil circuit 4 extends to bearing 6 places, and the top that is positioned at oil circuit 4 is provided with lubricating cup 3.

Check plate 2 middle parts are also porose, and check plate 2 is connected with arm pivot 5 by multiple the first bolts 1.

Bearing 6 described in the utility model processes by 45# steel, for being connected by high strength flange with arm flange at bottom.

End cap 13 described in the utility model, for workpiece is used for covering bearing 6 outsides, to prevent that external contamination thing from entering bearing 6 inside, plays dustproof and the left transverse shifting effect of fixing arm.

Baffle plate 11 described in the utility model is for fixing left and right arm transverse shifting.

Arm pivot 5 described in the utility model adopts 40Cr bar to form, by the distinctive performance of its material, thus can corrosion prevention, high strength, high hardness etc., arm pivot 5 is mainly used for supporting arm function.

Logical lid 7 described in the utility model is workpiece, logical 7 the interstitial hole of covering is to insert bearing 6 inside for arm pivot 5, logical cover 7 and be mainly used in covering bearing 6 inboard aperture and enter bearing 6 inside to prevent external contamination thing, play and prevent dust and the right transverse shifting effect of fixing arm.

Check plate 2 described in the utility model is arranged on arm pivot 5 ends by the first bolt 1, for the transverse shifting of fixing arm.

Oscillating bearing 10 is arranged on bearing 6 inside, is enclosed within on arm pivot 5 one end, within the scope of suspension arm variable-amplitude, plays the relative motion effect between arm pivot 5 and bearing 6.

Lubricating cup 3 is for add lubricating oil in oscillating bearing 10, to guarantee the normal slip of oscillating bearing 10.

More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range, referring to claim, within protection domain of the present utility model, can be done any type of modification.

Claims

1. a marine crane boom supporting construction, it is characterized in that: comprise arm pivot (5), one end of described arm pivot (5) is provided with check plate (2) by fastener, on described arm pivot (5), be provided with step, be positioned at step place oscillating bearing (10) is installed, erection support (6) on the outer circumference surface of described oscillating bearing (10), described bearing (6) is connected with arm root by flange, one end of described oscillating bearing (10) is also positioned at step place back-up ring (9) is also installed, the outer circumference surface place of described back-up ring (9) is provided with logical lid (7) by dust ring (8), described logical lid (7) is connected with bearing (6) by fastener, be positioned at arm pivot (5) outer end baffle plate (11) is installed, described baffle plate (11) blocks arm pivot (5) end face and oscillating bearing (10), described baffle plate (11) is anchored on arm pivot (5) end face by multiple the second bolts (12), be positioned at arm pivot (5) outer face and be also provided with end cap (13), described end cap (13) is connected with bearing (6) by multiple the 3rd bolts (14).

2. marine crane boom supporting construction as claimed in claim 1, is characterized in that: arm pivot (5) middle part has oil circuit (4), and described oil circuit (4) extends to bearing (6) and locates, and the top that is positioned at oil circuit (4) is provided with lubricating cup (3).

3. marine crane boom supporting construction as claimed in claim 1, is characterized in that: described check plate (2) middle part is also porose, and described check plate (2) is connected with arm pivot (5) by multiple the first bolts (1).