CN212769498U

CN212769498U - Electric single-beam crane convenient to maintain

Info

Publication number: CN212769498U
Application number: CN202021056160.5U
Authority: CN
Inventors: 林国荣; 卓世珍
Original assignee: Fujian Shenli Heavy Industry Technology Co ltd
Current assignee: Fujian Shenli Heavy Industry Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-23
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses an electric single-beam crane convenient for maintenance in the technical field of cranes, which comprises a girder, wherein the front side of the girder is provided with a fixed seat, the right side of the fixed seat is provided with a first motor, the left side of the first motor is connected with a first rotating shaft, the first rotating shaft is rotationally connected with the fixed seat, the first rotating shaft is screwed with a mounting seat, the bottom of the mounting seat is connected with a mounting plate through a connecting part, the bottom of the mounting plate is connected with a telescopic device, the bottom of the telescopic device is connected with a maintenance platform, and the mounting plate is positioned at the rear upper part of the maintenance platform, the maintenance work of staff is facilitated.

Description

Electric single-beam crane convenient to maintain

Technical Field

The utility model relates to a hoist technical field specifically is an electronic monospar hoist of convenient maintenance.

Background

An electric single-beam crane is a light and small hoisting device, and generally, a heavy object is hoisted by an electric hoist to realize transportation. Electric block can follow girder length direction horizontal slip, and when electric block broke down in the use, the staff need maintain it. Because the electric hoist is higher from the ground height and is far away from the two ends, the electric hoist is not beneficial to the maintenance of workers.

To this end, a person skilled in the relevant art improves this technology, for example, the chinese patent application No. CN201521002557.5 discloses "an electric single-beam crane", in which the technical features are: "an electronic monospar hoist, including girder and electric block, the girder is equipped with the maintenance platform, the girder is connected with drive assembly, drive assembly is connected with the driving piece, the maintenance platform is connected in drive assembly, move on the girder through the drive maintenance platform, reach and make things convenient for the effect in staff's maintenance under maintenance platform drive to electric block, nevertheless the technical scheme in this application file still exists not enoughly, if the device maintenance platform area occupied is great, the scope of electric block removal on the girder has been reduced, the working range of hoist has been reduced.

Based on this, the utility model designs a convenient electronic monospar hoist of maintenance to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic monospar hoist of convenient maintenance to it is great to solve the shared area of above-mentioned the device maintenance platform, has reduced the scope that electric block moved on the girder, has reduced the problem of the working range of hoist.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic monospar hoist of convenient maintenance, includes girder, end beam and electric block, the girder front side is provided with two fixing bases of controlling, be provided with first motor on the fixing base of right side, first motor left side output is connected with first pivot through the coupling, first pivot with control two the fixing base rotates to be connected, the spiro union has the mount pad in the first pivot, the mount pad with lateral wall sliding connection before the girder, the mount pad bottom rotates and is connected with connecting portion, connecting portion bottom fixedly connected with mounting panel, the mounting panel bottom is connected with the telescoping device, the telescoping device bottom is connected with the maintenance platform, the mounting panel is located maintenance platform back upper place.

Preferably, the center of mount pad bottom is provided with the second motor, second motor bottom output is connected with the second pivot, be provided with the driving gear in the second pivot, the meshing of the driving gear outside has transition gear, the meshing of the transition gear outside has driven gear, driven gear fixed set up in the connecting portion top.

Preferably, the outer wall of the connecting portion is provided with a clamping groove, a tapered roller bearing is installed in the clamping groove, a step is arranged at the bottom of the installing seat, a limiting plate is arranged on the outer wall of the step, and the limiting plate is locked through a clamping spring.

Preferably, the telescopic device comprises a hydraulic cylinder fixedly arranged at the bottom of the mounting plate, and a telescopic rod is connected to the bottom of the hydraulic cylinder.

Preferably, a guardrail is arranged on the outer side of the maintenance platform.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, on one hand, when the hoist normally works, the maintenance platform is positioned at the front side of the girder and keeps parallel with the girder, and the movement of the electric hoist on the girder is not interfered, so that the working range of the hoist is maximized, when the maintenance is carried out, the effective range of the maintenance platform is positioned below the girder by rotating the maintenance platform, and the maintenance platform is moved to the position near the electric hoist through the first rotating shaft for maintenance; on the other hand, the telescopic device is arranged on the maintenance platform, so that the height of the maintenance platform can be adjusted according to the maintenance position, and the maintenance work of workers is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the maintenance platform of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 5 is the assembly relationship diagram of the driving gear, the transition gear and the driven gear of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main beam; 2. an end beam; 3. an electric hoist; 4. a fixed seat; 5. a first motor; 6. a first rotating shaft; 7. a mounting seat; 71. a driving gear; 72. a step; 73. a limiting plate; 74. a clamp spring; 75. a second motor; 76. a second rotating shaft; 8. mounting a plate; 9. a telescoping device; 91. a hydraulic cylinder; 92. a telescopic rod; 10. maintaining the platform; 101. a guardrail; 11. a connecting portion; 111. a driven gear; 112. a transition gear; 113. a card slot; 114. a tapered roller bearing.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an electronic monospar hoist of convenient maintenance, including girder 1, end beam 2 and electric block 3, two fixing bases 4 about 1 front side of girder is provided with, fixing base 4 sets up in 3 tops of electric block, be provided with first motor 5 on the fixing base 4 of right side, 5 left side outputs of first motor are connected with first pivot 6 through the coupling, first pivot 6 rotates with two fixing bases 4 of controlling and is connected, the spiro union has mount pad 7 on the first pivot 6, lateral wall sliding connection before mount pad 7 and the girder, 7 bottoms of mount pad rotate and are connected with connecting

portion

11, 11 bottom fixedly connected with mounting panel 8 of connecting portion, 8 bottoms of mounting panel are connected with telescoping device 9, 9 bottoms of telescoping device are connected with

maintenance platform

10, 8 mounting panel is located maintenance platform 10 upper backs.

Further, a second motor 75 is arranged at the center of the bottom of the mounting seat 7, an output end of the bottom of the second motor 75 is connected with a second rotating shaft 76, a driving gear 71 is arranged on the second rotating shaft 76, a transition gear 112 is engaged with the outer side of the driving gear 71, the transition gear 112 is arranged at the top of the connecting portion 11, a driven gear 111 is engaged with the outer side of the transition gear 112, the driven gear 111 is fixedly arranged at the top of the connecting portion 11, the driving gear 71 is driven by the second motor 75 to drive the connecting portion 11 to rotate along the mounting seat 7 when the electric hoist 3 needs to be maintained, and then the maintenance platform 10 is driven to rotate, so that.

Further, a clamping groove 113 is formed in the outer wall of the connecting portion 11, a tapered roller bearing 114 is installed in the clamping groove 113, a step 72 is arranged at the bottom of the mounting seat 7, a limiting plate 73 is arranged on the outer wall of the step 72, and the limiting plate 73 is locked by a clamp spring 74, so that the connecting portion 11 can stably rotate along the mounting seat 7.

Further, telescoping device 9 is connected with telescopic link 92 including fixed setting in the pneumatic cylinder 91 of mounting panel 8 bottom pneumatic cylinder 91, pneumatic cylinder 91 bottom, and adjustable maintenance platform 10 height makes things convenient for the staff to maintain.

Further, the guardrail 101 is arranged on the outer side of the maintenance platform 10, personal safety of workers is protected, and the workers are prevented from sliding off the maintenance platform 10 to cause safety accidents.

One specific application of this embodiment is: when the electric hoist 3 is in fault and is stopped in the middle of the main beam 1 to be maintained, the second motor 75 drives the second rotating shaft 76 to drive the driving gear 71 to rotate, the driving gear 71 drives the transition gear 112 to rotate along the driven gear 111, thereby the connecting part 11 rotates along the mounting seat 7, the maintenance platform 10 rotates around the circle center of the driving gear 71, the effective working range of the maintenance platform 10 is positioned below the main beam 1, the working personnel enters the maintenance platform 10, the first motor 5 drives the first rotating shaft 6 to rotate, the mounting seat 7 slides to the middle of the main beam 1 along the front side wall of the main beam 1, so that the maintenance platform 10 reaches a position where the electric hoist 3 is conveniently maintained, the hydraulic cylinder 91 drives the telescopic rod 92 to stretch and retract, so that the maintenance platform 10 is lifted or lowered, the position to be maintained is positioned at a height which is convenient for a worker standing on the maintenance platform 10 to operate, and the worker maintains the electric hoist 3;

after the maintenance is finished, the first motor 5 is controlled to drive the first rotating shaft 6 to rotate reversely, so that the mounting base 7 moves to the original position, the worker leaves from the maintenance platform 10, the second motor 75 is controlled to rotate reversely, the maintenance platform 10 is restored to the original position, the main beam 1 is kept parallel, the interference with the movement track of the electric hoist 3 is avoided, and the maximum working range of the crane is ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a convenient electronic monospar hoist of maintenance, includes girder (1), end beam (2) and electric block (3), its characterized in that: girder (1) front side is provided with about two fixing base (4), be provided with first motor (5) on right side fixing base (4), first motor (5) left side output is connected with first pivot (6) through the coupling, first pivot (6) with control two fixing base (4) are rotated and are connected, the spiro union has mount pad (7) on first pivot (6), mount pad (7) with girder (1) preceding lateral wall sliding connection, mount pad (7) bottom is rotated and is connected with connecting portion (11), connecting portion (11) bottom fixedly connected with mounting panel (8), mounting panel (8) bottom is connected with telescoping device (9), telescoping device (9) bottom is connected with maintenance platform (10), mounting panel (8) are located maintenance platform (10) upper back.

2. The electric single-beam crane convenient to maintain as claimed in claim 1, wherein: the utility model discloses a motor, including mount pad (7), driving gear (71), transition gear (112) have been meshed in the driving gear (71), transition gear (112) outside, driven gear (111) outside meshing have, driven gear (111) fixed set up in connecting portion (11) top, be provided with second motor (75) in mount pad (7) bottom center, second motor (75) bottom output is connected with second pivot (76), be provided with driving gear (71) on second pivot (76).

3. The electric single-beam crane convenient to maintain as claimed in claim 1, wherein: connecting portion (11) outer wall is provided with draw-in groove (113), install tapered roller bearing (114) in draw-in groove (113), mount pad (7) bottom is provided with step (72), step (72) outer wall is provided with limiting plate (73), limiting plate (73) are locked through jump ring (74).

4. The electric single-beam crane convenient to maintain as claimed in claim 1, wherein: the telescopic device (9) comprises a hydraulic cylinder (91) fixedly arranged at the bottom of the mounting plate (8), and a telescopic rod (92) is connected to the bottom of the hydraulic cylinder (91).

5. The electric single-beam crane convenient to maintain as claimed in claim 1, wherein: and a guardrail (101) is arranged on the outer side of the maintenance platform (10).