CN210286540U

CN210286540U - Column cantilever crane

Info

Publication number: CN210286540U
Application number: CN201920859419.0U
Authority: CN
Inventors: 李享; 刘云峰; 徐龙俊
Original assignee: CHANGZHOU CHANGKUANG HOISTING MACHINERY CO LTD
Current assignee: CHANGZHOU CHANGKUANG HOISTING MACHINERY CO LTD
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-10
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a column cantilever crane, which comprises a column, a rotating arm rotationally connected with the column, a rotary driving device for driving the rotating arm to rotate around the column, a crane trolley sliding along the rotating arm, an electric hoist arranged at the lower end of the crane trolley, and baffles arranged at two ends of the rotating arm for limiting the crane trolley, a damping part is arranged on one side opposite to the baffle plate, the damping part comprises hemispherical rubber and rubber strips arranged at the upper end and the lower end of the hemispherical rubber, one end of the rubber strip is abutted against the end part of the rotating arm, the other end of the rubber strip is abutted against the hemispherical rubber, compared with the prior art, the beneficial effects of the utility model reside in that, the embodiment of the utility model provides a stand cantilever type crane can effectively fall makes an uproar, shock attenuation, prevents that the baffle is because the too big production of impact force is out of shape.

Description

Column cantilever crane

Technical Field

The utility model relates to a hoist technical field particularly, relates to a stand cantilever type crane.

Background

Stand cantilever crane is by wide application because its simple nimble and with low costs, stand cantilever crane includes stand and swinging boom, the swinging boom rotates with the stand to be connected, be equipped with the rotary drive device who corresponds with the swinging boom on the stand, rotary drive device can drive the swinging boom and rotate around the stand, be equipped with the single track monkey on the swinging boom, single track monkey lower extreme is equipped with electric block, the single track monkey can drive electric block along the length direction motion of swinging boom, utilize electric block to drive the goods up-and-down motion.

Current stand cantilever crane sets up the baffle at the both ends of swinging boom usually and carries on spacingly to monkey's the biggest and minimum stroke, in the actual operation in-process, often bumps, and the impact that the collision produced is whole to be acted on the baffle, makes the baffle take place deformation easily, influences its life, and simultaneously, the collision still can produce very big noise.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a column cantilever crane, which is more practical.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a stand cantilever crane aims at solving among the prior art when monkey bumps with the baffle, and the noise is big and make the baffle take place the technical problem of deformation easily.

The utility model provides a stand cantilever crane, include, the stand, rotate rotor arm, the drive rotor arm of being connected with the stand around stand pivoted rotary drive device, along the gliding monkey of rotor arm, set up in the electric block of monkey lower extreme, still including set up in the rotor arm both ends, it is right for the spacing baffle of monkey, one side that the baffle is relative is provided with the shock attenuation portion, the shock attenuation portion include hemisphere rubber and set up in the rubber strip at hemisphere rubber upper and lower both ends, its one end of rubber strip with the rotor arm tip is contradicted, the other end with hemisphere rubber is inconsistent.

Furthermore, the end part of the electric hoist is provided with a lifting hook for hooking a heavy object.

Further, the lifting hook comprises a connecting portion and a hooking portion, the connecting portion is columnar, the hooking portion is semicircular, and the center line of the connecting portion coincides with the center line of the hooking portion.

Further, the anti-falling device is arranged at the opening of the lifting hook and used for preventing the heavy object from falling off from the lifting hook in the lifting process.

Further, the anti-falling device comprises a fixed end, a limiting end and a bolt;

the fixed end is used for fixedly connecting the limiting end to the lifting hook;

the bolt vertically penetrates through the threaded hole of the limiting end.

Furthermore, the fixed end comprises two hoop bodies, a screw rod and a fixed buckle which are oppositely arranged;

one end of the hoop body is rotatably connected with the limiting end, and the other end of the hoop body extends outwards to form a horizontal part;

one end of the screw rod is hinged with one of the horizontal parts, and the other end of the screw rod penetrates through the other horizontal part and is in threaded connection with the fixed buckle.

Further, the fixing buckle comprises a sleeve head and a receiving ring;

the sleeve head is provided with a threaded hole for being in threaded connection with the screw rod;

the receiving ring is fixedly connected to one end, far away from the horizontal part, of the sleeve head.

Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model discloses a stand cantilever crane that provides sets up hemisphere rubber and rubber strip through one side relative at the baffle, and rubber itself has and makes an uproar, absorbing effect, and impact force when can greatly reduce the collision, simultaneously, when taking place the striking, hemisphere rubber shifts partial impact force to the upper and lower both sides of rotor arm through the rubber strip, can prevent effectively that the baffle from taking place deformation.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic view of an overall structure of a column cantilever crane according to an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of a lifting hook provided in an embodiment of the present invention;

fig. 3 is a front view of the anti-falling device provided by the embodiment of the present invention;

fig. 4 is a top view of the anti-falling device provided in the embodiment of the present invention;

fig. 5 is a schematic structural view of a shock absorption portion provided in an embodiment of the present invention;

reference numerals: 1. a column; 2. a rotating arm; 21. a baffle plate; 221. a rubber strip; 222. hemispherical rubber; 3. a rotation driving device; 4. a crane trolley; 5. an electric hoist; 6. a hook; 61. a connecting portion; 62. a hooking part; 7. an anti-falling device; 71. a fixed end; 711. a hoop body; 712. a horizontal portion; 72. a limiting end; 73. a bolt; 74. a screw; 75. fixing the buckle; 751. a receiving ring; 752. and (5) sleeving a head.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 5, can know by the figure, the embodiment of the utility model provides a stand cantilever crane, include, stand 1, rotate the rotor arm 2 of being connected with stand 1, drive rotor arm 2 around stand 1 pivoted rotary drive device 3, along the gliding monkey 4 of rotor arm 2, set up in electric block 5 of 4 lower extremes of monkey, still including set up in 2 both ends of rotor arm for to the spacing baffle 21 of monkey 4, one side that the baffle 21 is relative is provided with shock attenuation portion 22, shock attenuation portion 22 includes hemisphere rubber 222 and sets up in the rubber strip 221 at hemisphere rubber 222 upper and lower both ends, its one end of rubber strip 221 is contradicted with rotor arm 2 tip, and the other end is inconsistent with hemisphere rubber 222. Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model discloses a stand cantilever crane that provides sets up hemisphere rubber 222 and rubber strip 221 through the one side relative at baffle 21, and rubber itself has and makes an uproar, absorbing effect, and impact force when can greatly reduce the collision, simultaneously, when taking place the striking, hemisphere rubber 222 shifts partial impact force to the upper and lower both sides of rotor arm through rubber strip 221, can prevent effectively that baffle 21 from taking place deformation.

In this embodiment, 5 tip of electric block is provided with lifting hook 6 for the heavy object is established to the hook, and lifting hook 6 includes connecting portion 61, the hook portion 62 of establishing, and connecting portion 61 is the column shape, and the hook portion 62 of establishing is semi-circular, and the central line of connecting portion 61 and the coincidence of the central line of establishing portion 62 of hook avoid lifting by crane in-process lifting hook 6 and take place to rotate, lead to the heavy object to establish the phenomenon of landing on the portion 62 from the hook.

In this embodiment, still include the dropout prevention means 7 who sets up in the lifting hook 6 opening part for prevent that the heavy object from droing from lifting hook 6 at the in-process of lifting by crane, dropout prevention means 7 includes stiff end 71, spacing end 72, bolt 73, and stiff end 71 is used for with spacing end 72 rigid coupling on lifting hook 6, and the threaded hole of spacing end 72 is vertically worn to establish by bolt 73. Compare with setting up the elasticity separation blade at 6 open ends of lifting hook, at first, this anti-drop device 7 rigid coupling need not carry out the opening in the 6 outsides of lifting hook 6, has ensured lifting hook 6's bulk strength, and secondly, when the wire rope that lifts by crane the article is thick, the phenomenon that can't kick-back can take place for the elasticity separation blade, and this application is through setting up bolt 73 in the outside spacing, and the limitation is little, and the application is wide.

Specifically, the fixed end 71 includes two oppositely disposed hoops 711, screws 74 and a fixed buckle 75, wherein one end of the hoop 711 is rotatably connected to the limiting end 72, the other end of the hoop extends outward to form a horizontal portion 712, one end of the screw 74 is hinged to one of the horizontal portions 712, and the other end of the screw passes through the other horizontal portion 712 and is in threaded connection with the fixed buckle 75. The fixing buckle 75 comprises a sleeve head 752 and a receiving ring 751, wherein the sleeve head 752 is provided with a threaded hole for being in threaded connection with the screw 74, the receiving ring 751 is fixedly connected to one end of the sleeve head 752, which is far away from the horizontal part 712, and the hoop body 711 can be relatively opened and closed by rotating the receiving ring 751, so that the connection is convenient and quick.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A column cantilever crane comprises a column (1), a rotating arm (2) rotationally connected with the column (1), a rotary driving device (3) for driving the rotating arm (2) to rotate around the column (1), a crane trolley (4) sliding along the rotating arm (2), and an electric hoist (5) arranged at the lower end of the crane trolley (4), characterized in that the crane further comprises baffle plates (21) arranged at two ends of the rotating arm (2) and used for limiting the crane trolley (4), a damping part (22) is arranged on one side opposite to the baffle (21), the damping part (22) comprises hemispherical rubber (222) and rubber strips (221) arranged at the upper end and the lower end of the hemispherical rubber (222), one end of the rubber strip (221) is abutted against the end part of the rotating arm (2), and the other end of the rubber strip is abutted against the hemispherical rubber (222).

2. The column cantilever crane according to claim 1, wherein the end of the electric hoist (5) is provided with a hook (6) for hooking a heavy object.

3. The column cantilever crane according to claim 2, wherein the hook (6) comprises a connecting portion (61) and a hooking portion (62), the connecting portion (61) is cylindrical, the hooking portion (62) is semicircular, and a center line of the connecting portion (61) coincides with a center line of the hooking portion (62).

4. The column cantilever crane according to claim 3, further comprising an anti-drop device (7) disposed at the opening of the hook (6) for preventing the heavy object from dropping off the hook (6) during the lifting process.

5. The column cantilever crane according to claim 4, wherein the drop-off preventing means (7) comprises a fixed end (71), a limit end (72), a bolt (73);

the fixed end (71) is used for fixedly connecting the limiting end (72) to the lifting hook (6);

the bolt (73) vertically penetrates through the threaded hole of the limiting end (72).

6. The column cantilever crane according to claim 5, wherein the fixed end (71) comprises two oppositely arranged hoop bodies (711), a screw rod (74) and a fixed buckle (75);

one end of the hoop body (711) is rotatably connected with the limiting end (72), and the other end of the hoop body extends outwards to form a horizontal part (712);

one end of the screw rod (74) is hinged with one horizontal part (712), and the other end of the screw rod passes through the other horizontal part (712) and is in threaded connection with the fixed buckle (75).

7. The column cantilever crane according to claim 6, wherein the fixing catch (75) comprises a socket (752), a receiving ring (751);

the sleeve head (752) is provided with a threaded hole for being in threaded connection with the screw rod (74);

the receiving ring (751) is fixedly connected to one end of the sleeve head (752) far away from the horizontal part (712).