CN216997377U

CN216997377U - High-strength cantilever crane with damper

Info

Publication number: CN216997377U
Application number: CN202123236946.2U
Authority: CN
Inventors: 王强; 孙磊; 向煜; 杨双铭
Original assignee: 703th Research Institute of CSIC Wuxi Branch
Current assignee: 703th Research Institute of CSIC Wuxi Branch
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-19
Anticipated expiration: 2031-12-21

Abstract

A high-strength cantilever crane with a damper comprises a support body, wherein a cantilever crane mounting plate is fixed at one end of the support body, a rotary joint mounting plate is fixed at the other end of the support body, the cantilever crane mounting plate, the support body and the rotary joint mounting plate are connected and locked through screws, an upper plate and a lower plate which are vertically spaced are fixed on the outer side of the rotary joint mounting plate, a step shaft penetrates through the upper plate and the lower plate, a bidirectional rotary damper is mounted at the top of the step shaft and locked on the top surface of the upper plate through bolts, a cantilever crane fixing frame is further mounted between the upper plate and the lower plate, meanwhile, the step shaft also penetrates through the cantilever crane fixing frame, an aluminum alloy cantilever crane is mounted on the outer side of the cantilever crane fixing frame, one end of the aluminum alloy cantilever crane is locked with the cantilever crane fixing frame through two outer plates, and a limiter is mounted at the other end of the aluminum alloy cantilever crane, the bottom of the aluminum alloy cantilever crane is provided with a small rail car; reliable operation and convenient operation.

Description

High-strength cantilever crane with damper

Technical Field

The utility model relates to the technical field of cantilever cranes, in particular to a high-strength cantilever crane with a damper.

Background

At present, a certain number of gantry cranes are usually configured in a workshop, in order to improve the universality of the lifting tools, the bearing capacity of the gantry cranes is generally designed to be large, when small objects are lifted by the gantry cranes, the performance is often excessive, and meanwhile, the large gantry cranes generally run at a low speed in order to ensure safety, so that various types of lifting equipment are often used in an assembly workshop so as to improve the efficiency.

The cantilever crane is simple and portable hoisting equipment, can hoist small objects within a certain radius range, can enable the objects to freely move in three dimensions within the range, and is widely applied to assembly workshops. Particularly for some machining centers or assembly lines, the stations need to frequently carry small parts and equipment, and a plurality of stations are often arranged in the same workshop, and the traditional gantry crane cannot be suitable for the scenes. Therefore, a simple and convenient small hoisting device needs to be designed.

The device should have the following characteristics:

firstly, the small parts are required to be light enough and operate quickly, and the small parts can be hoisted quickly;

secondly, the root is convenient to take, and the root can be taken on the wall surface or the wall of the equipment box body under the condition of a plurality of stations, so that the area of a factory building is not additionally occupied;

thirdly, safety is considered, the station is usually operated by a part of workers, and the lifting appliance cannot threaten the safety of workers in the station range;

fourthly, the appearance of the lifting appliance is best, concise and attractive, so that the production line in the whole factory building is neat and attractive.

The prior art discloses a column type cantilever crane, but the cantilever crane must take root on the ground of a factory building, and the occupied area is large. The cantilever crane can enhance the bearing capacity of the cantilever crane in a mode of adding a longer rotating shaft and a stay cable, but occupies larger space in the vertical direction and is inconvenient to root on the wall surface of a processing center box body; and the cantilever crane is not provided with a rotary damping device, so that the object striking injury caused by quick rotation of the lifting appliance in no-load can not be effectively avoided.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a high-strength cantilever crane with a damper, which is reasonable in structure, simple in structure, convenient to operate, flexible and reliable in action and can take roots on the wall surface of the cantilever crane with rotary damping.

The technical scheme adopted by the utility model is as follows:

a high-strength cantilever crane with a damper comprises a support body, wherein a cantilever crane mounting plate is fixed at one end of the support body, a rotating joint mounting plate is fixed at the other end of the support body, the cantilever crane mounting plate, the support body and the rotating joint mounting plate are connected and locked through screws, an upper plate and a lower plate which are vertically spaced are fixed on the outer side of the rotating joint mounting plate, a stepped shaft penetrates through the upper plate and the lower plate, a bidirectional rotating damper is mounted at the top of the stepped shaft and locked on the top surface of the upper plate through bolts, a cantilever crane fixing frame is further mounted between the upper plate and the lower plate, meanwhile, the stepped shaft also penetrates through the cantilever crane fixing frame, an aluminum alloy cantilever crane is mounted on the outer side of the cantilever crane fixing frame, one end of the aluminum alloy cantilever crane is locked with the cantilever crane fixing frame through two outer side plates, and a limiter is mounted at the other end of the aluminum alloy cantilever crane, and a small rail car is arranged at the bottom of the aluminum alloy cantilever crane.

The further technical scheme is as follows:

the upper plate and the lower plate are both provided with bearing holes, an upper bearing is arranged in each bearing hole of the upper plate, a lower bearing is arranged in each bearing hole of the lower plate, the stepped shaft is supported and arranged between the upper bearing and the lower bearing, and the top of the stepped shaft extends out of the upper plate.

The upper bearing adopts a rolling bearing, and the lower bearing adopts a one-way thrust bearing.

The structure of the rotary joint mounting plate is as follows: the novel plate comprises a plate body, the plate body is the cuboid structure, a terminal surface of plate body is the plane, alternate recess about another terminal surface of plate body is provided with, the height of recess is unanimous with the thickness of lower plate with the upper plate, it has the countersunk head through-hole to open in the recess, and the plate body lead screw that is located the recess outside is opened there is the fastening hole.

The cantilever crane fixing frame is structurally characterized in that: the aluminum alloy cantilever crane is characterized by comprising a groove frame, wherein a groove opening is formed in the left end of the groove frame, a large round hole penetrating through a stepped shaft is formed in the groove opening, two clamping plates at intervals extend outwards from the right end of the groove frame, the distance between the two clamping plates is consistent with the width of an aluminum alloy cantilever crane, and a plurality of small round holes are formed in the clamping plates.

The aluminum alloy cantilever crane adopts a KBK aluminum alloy track.

The support body is a wall body, a support surface or a rooting surface.

The utility model has the following beneficial effects:

the cantilever crane has the advantages of compact and reasonable structure and convenient operation, can conveniently finish the installation of the cantilever crane on the supporting body by mutually matching the key components such as the cantilever crane installation plate, the rotary joint installation plate, the cantilever crane fixing frame, the stepped shaft and the like, has good working reliability and flexible and convenient action, and takes root in the cantilever crane with the rotary damping on the wall surface.

The rail trolley is hidden in the aluminum alloy cantilever, and has the characteristics of simple appearance, low rolling resistance and the like.

The cantilever crane has the advantages of reliable and compact structure and simple appearance, and can prevent the object striking damage caused by the over-fast free rotation of the cantilever in no-load.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of another embodiment of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a sectional view taken along a-a in fig. 5.

Fig. 7 is a schematic structural view of the rotary joint mounting plate of the present invention.

Fig. 8 is a schematic structural view of the cantilever crane fixing frame according to the present invention.

Wherein: 1. a support body; 2. a cantilever crane mounting plate; 3. a screw; 4. a rotary joint mounting plate; 5. an upper plate; 6. a bi-directional rotational damper; 7. a bolt; 8. a cantilever crane fixing frame; 9. a stepped shaft; 10. an outer panel; 11. an aluminum alloy cantilever crane; 12. a small rail car; 13. a stopper; 14. a lower plate; 15. a lower bearing; 16. an upper bearing;

401. a plate body; 402. a fastening hole; 403. a groove; 404. countersunk through holes;

801. a slot frame; 802. a large circular hole; 803. a small circular hole; 804. and (4) clamping the plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-8, the high-strength cantilever crane with damper of this embodiment includes a supporting body 1, a cantilever crane mounting plate 2 fixed at one end of the supporting body 1, a rotating joint mounting plate 4 fixed at the other end of the supporting body 1, the cantilever crane mounting plate 2, the supporting body 1 and the rotating joint mounting plate 4 are connected and locked by a screw 3, an upper plate 5 and a lower plate 14 spaced up and down are fixed at the outer side of the rotating joint mounting plate 4, a stepped shaft 9 passes through between the upper plate 5 and the lower plate 14, a bidirectional rotating damper 6 is mounted at the top of the stepped shaft 9, the bidirectional rotating damper 6 is locked at the top surface of the upper plate 5 by a bolt 7, a cantilever crane fixing frame 8 is further mounted between the upper plate 5 and the lower plate 14, meanwhile, the stepped shaft 9 also passes through the cantilever crane fixing frame 8, an aluminum alloy cantilever crane 11 is mounted at the outer side of the cantilever crane fixing frame 8, one end of the aluminum alloy cantilever crane 11 is locked with the cantilever crane fixing frame 8 by two outer plates 10, and the other end of the aluminum alloy cantilever crane 11 is provided with a stopper 13, and the bottom of the aluminum alloy cantilever crane 11 is provided with a small rail car 12.

The upper plate 5 and the lower plate 14 are provided with bearing holes, an upper bearing 16 is arranged in the bearing hole of the upper plate 5, a lower bearing 15 is arranged in the bearing hole of the lower plate 14, the stepped shaft 9 is supported and arranged between the upper bearing 16 and the lower bearing 15, and the top of the stepped shaft 9 extends out of the upper plate 5.

The upper bearing 16 is a rolling bearing, and the lower bearing 15 is a one-way thrust bearing.

The structure of the rotary joint mounting plate 4 is as follows: including plate body 401, plate body 401 is the cuboid structure, and a terminal surface of plate body 401 is the plane, and another terminal surface of plate body 401 is provided with interval recess 403 from top to bottom, and the height of recess 403 is unanimous with the thickness of upper plate 5 and hypoplastron 14, has seted up countersunk head through-hole 404 in the recess 403, and the plate body 401 lead screw that is located the recess 403 outside is opened there is fastening hole 402.

The cantilever crane fixing frame 8 has the structure that: the aluminum alloy cantilever crane comprises a groove frame 801, wherein a groove opening is formed in the left end of the groove frame 801, a large round hole 802 penetrating through a stepped shaft 9 is formed in the groove opening, two clamping plates 804 at intervals extend outwards from the right end of the groove frame 801, the distance between the two clamping plates 804 is consistent with the width of an aluminum alloy cantilever crane 11, and a plurality of small round holes 803 are formed in the clamping plates 804.

The aluminum alloy cantilever crane 11 adopts a KBK aluminum alloy track.

The support body 1 is a wall body, a support surface or a rooting surface.

The specific structure and function of the utility model are as follows:

the device mainly comprises three parts:

firstly, the rotating mechanism with the rotating damping is arranged,

secondly, a cantilever crane fixing system mechanism consisting of a cantilever crane mounting plate 2 and a screw 3,

and thirdly, an aluminum alloy track and a small rail car 12.

Firstly, the specific structure of the rotating mechanism with the rotation damping is as follows: the device consists of a rotary joint mounting plate 4, an upper plate 5, a lower plate 14, a fastener, a stepped shaft 9, a one-way thrust bearing (a lower bearing 15), a rolling bearing (an upper bearing 16) and a cantilever crane fixing frame 8.

The rotary joint mounting plate 4 is required to be provided with a groove 403 with the same thickness as the upper plate 5 and the lower plate 14, and transition assembly is adopted between the groove 403 and the upper plate 5 and the lower plate 14 so as to form a mortise and tenon structure between the rotary joint mounting plate 4 and the upper bearing seat and the lower bearing seat.

A countersunk through hole 404 is formed in the back of the groove 403 of the rotary joint mounting plate 4, the countersunk through hole 404 is fixed to the upper plate 5 and the lower plate 14 through fasteners, a fastening hole 402 is formed in the plate body 401 outside the groove 403 and used for mounting a screw 3, and the cantilever crane mounting plate 2, the support body 1 and the rotary joint mounting plate 4 are connected through the screw 3.

The groove 403 can bear the weight of the cantilever in the vertical direction.

The mortise and tenon and fastening structure not only can improve the stress condition of the fixed part of the rotary joint, but also can ensure that the assembly between the rotary joint mounting plate 4 and the upper plate 5 and the lower plate 14 is more compact and beautiful.

The top end of the stepped shaft 9 is provided with a rolling bearing (an upper bearing 16) so that the upper end can bear radial force; a thrust roller bearing (lower bearing 15) is provided at the lower end thereof, so that the lower end thereof receives an axial force; the middle part of the stepped shaft 9 is used for connecting the cantilever crane fixing frame 8 and bearing bending moment generated by the cantilever and the heavy object.

Three stepped holes (the diameters of which are respectively big, hollow and small from big to small) with different diameters are arranged on the lower plate 14, and the small holes ensure clearance fit with a single thrust bearing (a lower bearing 15) and cannot block a moving coil of the thrust roller bearing; the hollow structure ensures the interference fit with a single thrust bearing (a lower bearing 15) and is used for fixing a bearing ring of the thrust roller bearing; the large hole is in clearance fit with the lower end of the stepped shaft 9, and the stepped shaft 9 cannot be prevented from rotating.

The threaded blind hole is arranged at the top of the stepped shaft 9 so as to transmit the rotation of the shaft to the bidirectional rotary damper 6 through the bolt 7, and the specific implementation mode is as follows: the bolt 7 is screwed with the stepped shaft 9 into a whole through a nut (not shown) and a spring washer (not shown), and the elastic force generated by the compression of the spring washer (not shown) can be used for self-locking the bolt 7, so that the rotation of the stepped shaft 9 can be transmitted to the bidirectional rotary damper 6 through the nut.

The cantilever crane fixing frame 8 and the aluminum alloy cantilever crane 11 are installed through fasteners, the aluminum alloy cantilever crane 11 is hollow and can be matched with the small rail car 12 in a low rolling resistance mode, and the tail end of the aluminum alloy cantilever crane 11 is provided with a stopper 13 for preventing the small rail car 12 from being separated from a rail.

According to the utility model, a KBK aluminum alloy track is used as a suspension arm of the cantilever crane, a small rail car 12 is arranged in the track, and a limiter 13 is arranged at the tail end of the suspension arm. Because the aluminum alloy track has the advantages of high strength, light weight, low rolling resistance of the matched small rail car 12 and the like, the track is selected as the track which can reduce the weight of the device, and the labor intensity of hoisting operation can be reduced.

The above description is intended to illustrate the present invention and not to limit the present invention, which is defined by the scope of the claims, and may be modified in any manner within the scope of the present invention.

Claims

1. The utility model provides a from high strength cantilever crane of taking attenuator, includes supporter (1), its characterized in that: the cantilever crane is characterized in that a cantilever crane mounting plate (2) is fixed at one end of a support body (1), a rotary joint mounting plate (4) is fixed at the other end of the support body (1), the cantilever crane mounting plate (2), the support body (1) and the rotary joint mounting plate (4) are connected and locked through a screw (3), an upper plate (5) and a lower plate (14) which are spaced from each other are fixed on the outer side of the rotary joint mounting plate (4), a stepped shaft (9) penetrates through the upper plate (5) and the lower plate (14), a bidirectional rotary damper (6) is mounted at the top of the stepped shaft (9), the bidirectional rotary damper (6) is locked on the top surface of the upper plate (5) through a bolt (7), a cantilever crane fixing frame (8) is further mounted between the upper plate (5) and the lower plate (14), meanwhile, the stepped shaft (9) also penetrates through the cantilever crane fixing frame (8), and an aluminum alloy cantilever crane (11) is mounted on the outer side of the cantilever crane fixing frame (8), one end of an aluminum alloy cantilever crane (11) is locked with a cantilever crane fixing frame (8) through two outer side plates (10), the other end of the aluminum alloy cantilever crane (11) is provided with a limiter (13), and the bottom of the aluminum alloy cantilever crane (11) is provided with a small rail car (12).

2. The high-strength cantilever crane with the damper as claimed in claim 1, wherein: bearing holes are formed in the upper plate (5) and the lower plate (14), an upper bearing (16) is installed in the bearing hole of the upper plate (5), a lower bearing (15) is installed in the bearing hole of the lower plate (14), the stepped shaft (9) is supported and installed between the upper bearing (16) and the lower bearing (15), and the top of the stepped shaft (9) extends out of the upper plate (5).

3. The high-strength cantilever crane with damper as claimed in claim 2, wherein: the upper bearing (16) adopts a rolling bearing, and the lower bearing (15) adopts a one-way thrust bearing.

4. The high-strength cantilever crane with the damper as claimed in claim 1, wherein: the structure of the rotary joint mounting plate (4) is as follows: the novel plate comprises a plate body (401), the plate body (401) is of a cuboid structure, one end face of the plate body (401) is a plane, an upper groove (403) and a lower groove (403) which are spaced are formed in the other end face of the plate body (401), the height of each groove (403) is consistent with the thickness of an upper plate (5) and a lower plate (14), a countersunk through hole (404) is formed in each groove (403), and a screw rod of the plate body (401) located on the outer side of each groove (403) is provided with a fastening hole (402).

5. The high-strength cantilever crane with the damper as claimed in claim 1, wherein: the cantilever crane fixing frame (8) is structurally characterized in that: including cell frame (801), the left end of cell frame (801) is provided with the notch, it has big round hole (802) of passing stepped shaft (9) to open on the notch, the right-hand member of cell frame (801) outwards extends has two spaced splint (804), and the distance between two splint (804) is unanimous with the width of aluminum alloy cantilever crane (11), it has a plurality of little round holes (803) to open on splint (804).

6. The high-strength cantilever crane with the damper as claimed in claim 1, wherein: the aluminum alloy cantilever crane (11) adopts a KBK aluminum alloy track.

7. The high-strength cantilever crane with the damper as claimed in claim 1, wherein: the support body (1) is a wall body, a support surface or a rooting surface.