CN218261861U - A overhaul platform for two roof beam hoist - Google Patents

Abstract

The utility model relates to an overhaul platform for a double-beam crane, which comprises a platform body and an installation box, wherein a breast board is fixed on the upper surface of the platform body, a lifting mechanism is arranged in the installation box, a bottom box is fixed on the lower surface of the installation box, and a stabilizing mechanism is arranged in the bottom box; elevating system include with install bin upper surface fixed's first motor, the output shaft of first motor runs through and extends to the inside one end of install bin and is fixed with the pivot, the surface mounting of pivot has drive sprocket, drive sprocket's surface transmission is connected with the chain, the chain is kept away from drive sprocket and is all transmitted at both ends and be connected with driven sprocket about. This a maintenance platform for two roof beam hoist makes it can drive the platform body and reciprocate through setting up elevating system, and stable keeping when having made things convenient for the hoist to overhaul is located same height with the hoist, has made things convenient for maintenance personal to the maintenance and the maintenance of hoist.

Description

A overhaul platform for two roof beam hoist

Technical Field

The utility model relates to an overhaul platform technical field, specifically be an overhaul platform for two roof beam hoists.

Background

The double-beam crane is a material handling machine which can lift, descend and horizontally move materials in a clearance operation mode, has special use characteristics, can cause casualties and property loss once accidents occur if management and inspection are not enhanced, is widely used in indoor and outdoor warehouses, factory buildings, wharfs, open storage yards and the like, is the most important part of hoisting equipment, directly influences the safe operation and the service life of the crane, and therefore, the maintenance and daily inspection of a crane main beam and a hoisting mechanism are enhanced.

For example, the granted patent (publication number: CN 213895130U), chinese utility model patent with publication date of 2021-08-06, discloses a crane safety maintenance platform, which comprises a forward and reverse rotation motor, a rotation shaft, a threaded lead screw and a sliding block, and uses the lifting structure to drive the bearing platform to ascend, so as to transport the working personnel to the working interface, the fence net protects the working personnel, and uses the support rod, the support rod and the bearing platform to form a triangle structure, and uses the stability of the triangle, so as to improve the stability of the bearing platform, and the electric wheel can drive the L-shaped working platform to move, so as to facilitate the movement of the whole maintenance platform, and the buffer structure formed by the support column, the shock-reducing spring, the guide groove and the guide block can reduce the possibility of shaking during the movement of the L-shaped working platform, and can also play a shock-reducing effect on the L-shaped working platform.

Among the above-mentioned technical scheme, some problems to be improved still need to use and rises to overhaul the platform to the height corresponding with the hoist when for example overhauing the two-beam hoist, and among the above-mentioned technical scheme, use wheel contact ground, lead to when overhauing the hoist, can make the maintenance platform remove, lead to the people on the maintenance platform to produce and rock, improved the danger of overhauing the platform, stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an overhaul platform for two roof beam hoist possesses the higher advantage of stability, has solved the relatively poor problem of maintenance platform stability.

In order to achieve the above object, the utility model provides a following technical scheme: an overhaul platform for a double-beam crane comprises a platform body and an installation box, wherein a breast board is fixed on the upper surface of the platform body, a lifting mechanism is arranged inside the installation box, a bottom box is fixed on the lower surface of the installation box, and a stabilizing mechanism is arranged inside the bottom box;

elevating system include with install bin upper surface fixed's first motor, the one end that the output shaft of first motor runs through and extends to the install bin inside is fixed with the pivot, the surface mounting of pivot has drive sprocket, drive sprocket's surface transmission is connected with the chain, the chain is kept away from drive sprocket and is connected with driven sprocket in the equal transmission in both ends about, driven sprocket's internal perisporium is fixed with first threaded rod, the surface threaded connection of first threaded rod has the thread bush, the surface mounting of thread bush has the fixed block, two the one end that the fixed block was carried on the back mutually all is fixed with the slider, elevating system still include with install bin upper surface fixed's two guard boxes.

Furthermore, the upper surfaces of the two first threaded rods are rotatably connected with the top wall of the inner cavity of the protective box through bearings, and the bottoms of the first threaded rods are rotatably connected with the bottom wall of the inner cavity of the installation box through bearings.

Further, two the spout has all been seted up to the one end that the protective housing inner chamber was carried on the back mutually, two the one end that the slider was carried on the back mutually all is located the inside of spout and rather than sliding connection, spout and slider all are the T shape.

Further, the outside face mounting of first threaded rod has solid fixed ring, gu the fixed ring's upper surface laminates with the lower surface of thread bush mutually, the rectangle that is inside cavity and lower surface disappearance of under casing.

Further, stabilizing mean includes the second motor fixed with the under casing right-hand member, the output shaft of second motor runs through to the right side wall of under casing and extends to its inside and be connected rather than rotating through the bearing, the output of second motor is fixed with the connecting rod, the fixed surface of connecting rod has two worms, two the back of worm all meshes the worm wheel, the internal perisporium of worm wheel is fixed with the screwed pipe, the internal perisporium threaded connection of screwed pipe has the second threaded rod, two the lower surface of second threaded rod all is fixed with the fixed plate, both ends all are fixed with the slide bar about the fixed plate, the lower fixed surface of fixed plate has four to remove the wheel.

Further, it is the universal wheel to remove the wheel, the upper surface of screwed pipe passes through the bearing rotation with the roof of under casing inner chamber and is connected, rectangular hole has all been seted up to the left and right sides wall of under casing inner chamber, two the one end that the slide bar was carried on the back mutually all is located the inside in rectangular hole and rather than sliding connection.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this an overhaul platform for two roof beam cranes through setting up elevating system, makes it can drive the platform body and reciprocates, and stable keeping and the hoist is located same height when having made things convenient for the hoist to overhaul, has made things convenient for maintenance personal to the maintenance and the maintenance of hoist.

2. This an overhaul platform for two roof beam cranes through setting up stabilizing mean, makes the platform body when overhauing the hoist, can make the lower surface contact ground of under casing, has avoided removing the problem that the wheel contact bottom surface caused the platform body to remove, has improved the stability of platform body.

Drawings

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

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

fig. 3 is a schematic structural diagram of the stabilizing mechanism of the present invention.

In the figure: the platform comprises a platform body 1, a breast board 2, a mounting box 3, a lifting mechanism 4, a first motor 401, a rotating shaft 402, a driving sprocket 403, a chain 404, a driven sprocket 405, a first threaded rod 406, a threaded sleeve 407, a fixed block 408, a slider 409, a protective box 410, a bottom box 5, a stabilizing mechanism 6, a second motor 601, a connecting rod 602, a worm 603, a worm wheel 604, a threaded pipe 605, a second threaded rod 606, a fixing plate 607, a sliding rod 608 and a moving wheel 609.

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.

Referring to fig. 1-2, an overhaul platform for a dual-beam crane in this embodiment includes a platform body 1 and an installation box 3, a breast board 2 is fixed on an upper surface of the platform body 1, a lifting mechanism 4 is disposed inside the installation box 3, a bottom box 5 is fixed on a lower surface of the installation box 3, long holes are disposed on left and right side walls of an inner cavity of the bottom box 5, the bottom box 5 is a hollow rectangle with a missing lower surface for a stabilizing mechanism 6 to move, and the stabilizing mechanism 6 is disposed inside the bottom box 5.

The lifting mechanism 4 comprises a first motor 401 fixed on the upper surface of the installation box 3, a rotating shaft 402 is fixed at one end of the output shaft of the first motor 401 penetrating and extending into the installation box 3, a driving sprocket 403 is fixed on the outer surface of the rotating shaft 402, a chain 404 is connected on the outer surface of the driving sprocket 403 in a transmission manner, driven sprockets 405 are respectively connected on the left end and the right end of the chain 404 far away from the driving sprocket 403 in a transmission manner, a first threaded rod 406 is fixed on the inner peripheral wall of each driven sprocket 405, a fixing ring is fixed on the outer surface of each first threaded rod 406 and used for preventing the platform body 1 from moving downwards to extrude the first motor 401, the upper surfaces of the two first threaded rods 406 are respectively connected with the top wall of the inner cavity of the protection box 410 in a rotation manner through bearings and used for connecting the upper surfaces of the first threaded rods 406, its bottom is passed through the bearing and is connected with the diapire rotation of 3 inner chambers of install bin, a lower surface for being to first threaded rod 406 provides the support, the surface threaded connection of first threaded rod 406 has thread bush 407, gu fixed ring's upper surface and the lower surface of thread bush 407 laminate mutually, be used for supporting thread bush 407, the external fixed surface of thread bush 407 has fixed block 408, two fixed block 408 one ends that carry on the back mutually all are fixed with slider 409, two sliders 409 one ends that carry on the back mutually all are located the inside of spout and rather than sliding connection, spout and slider 409 all are T shape, be used for improving the stability of device, elevating system 4 still includes two protective box 410 with the fixed surface on install bin 3, the spout has all been seted up to two protective box 410 inner chamber one end that carry on the back mutually, be used for slider 409 slides.

Wherein, for the stability that improves fixed block 408, the spout has all been seted up to the one end that two protective housing 410 inner chambers carried on the back mutually, and the one end that two sliders 409 carried on the back mutually all is located the inside of spout and rather than sliding connection, and spout and slider 409 all are T shape.

In this embodiment, the first motor 401 is started to drive the two first threaded rods 406 to rotate, so that the two fixing blocks 408 drive the platform body 1 to move up and down, thereby achieving the purpose of adjusting the height of the platform body 1.

It should be noted that the control mode of the present invention is controlled by the controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art, and the present invention is mainly used to protect the mechanical device, so the present invention does not explain the control mode and the circuit connection in detail.

Referring to fig. 3, in order to improve the stability of the platform body 1, the stabilizing mechanism 6 in this embodiment includes a second motor 601 fixed to the right end of the bottom box 5, an output shaft of the second motor 601 penetrates through a right side wall of the bottom box 5 and extends into the bottom box 5 and is rotatably connected thereto through a bearing, an output end of the second motor 601 is fixed with a connecting rod 602, an upper surface of a threaded pipe 605 is rotatably connected to a top wall of an inner cavity of the bottom box 5 through a bearing to provide connection to the threaded pipe 605, an outer surface of the connecting rod 602 is fixed with two worms 603, back surfaces of the two worms 603 are respectively engaged with a worm wheel 604, an inner peripheral wall of the worm wheel 604 is fixed with the threaded pipe 605, an inner peripheral wall of the threaded pipe 605 is threadedly connected with a second threaded rod 606, lower surfaces of the two second threaded rods 606 are respectively fixed with a fixing plate 607, left and right ends of the fixing plate 607 are respectively fixed with sliding rods 608, opposite ends of the two sliding rods 608 are respectively located inside a slotted hole and slidably connected thereto, a lower surface of the fixing plate 607 is fixed with four moving wheels 609, so that the moving wheels 609 are universal wheels, and a moving direction of the moving wheel 609 can be adjusted.

However, in order to allow the moving wheel 609 to adjust its direction at any time, the moving wheel 609 is a universal wheel.

In this embodiment, when the second motor 601 works, it drives the fixing plate 607 to move downward, and further the moving wheel 609 jacks up the bottom case 5, so that the moving wheel 609 is grounded, thereby achieving the purpose of moving the platform body 1.

The working principle of the above embodiment is as follows:

(1) When the height of platform body 1 needs to be adjusted with the adaptation hoist height, at first the rotatory pivot 402 that drives of output of first motor 401 is rotatory, in the rotatory in-process of pivot 402, can drive sprocket 403 rotatory, further drive sprocket 403 is rotatory to drive two driven sprocket 405 through chain 404 rotatory, further driven sprocket 405 can drive first threaded rod 406 rotatory when rotatory, and in the rotatory in-process of first threaded rod 406, can drive two fixed blocks 408 upwards or move down, and because the connected mode of two fixed block 408 relative one end and platform body 1 is fixed, so can make the height of platform body 1 obtain adjusting, the height of adaptation hoist has been reached, and overhaul it.

(2) When the stability of platform body 1 needs to be improved, first, second motor 601 is turned on, further, the output end of second motor 601 rotates to drive connecting rod 602 to rotate, thereby drive worm 603 drive the worm wheel 604 that is located at the back of worm 603 and meshes with worm 603, further drive worm wheel 604 to rotate, and when worm wheel 604 rotates, can drive screwed pipe 605 to rotate, further drive second threaded rod 606 rebound, thereby drive fixed plate 607 rebound, make and move wheel 609 and take in bottom case 5, contact ground by the lower surface of bottom case 5, thereby the purpose of improving the stability of platform body 1 has been reached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an overhaul platform for two roof beam hoist, includes platform body (1) and install bin (3), its characterized in that: a breast board (2) is fixed on the upper surface of the platform body (1), a lifting mechanism (4) is arranged inside the installation box (3), a bottom box (5) is fixed on the lower surface of the installation box (3), and a stabilizing mechanism (6) is arranged inside the bottom box (5);

elevating system (4) include with install bin (3) fixed surface's first motor (401), the output shaft of first motor (401) runs through and extends to install bin (3) inside one end be fixed with pivot (402), the external surface mounting of pivot (402) has drive sprocket (403), the surface transmission of drive sprocket (403) is connected with chain (404), drive sprocket (403) is kept away from in chain (404) and all the transmission in both ends is connected with driven sprocket (405) about, the internal perisporium of driven sprocket (405) is fixed with first threaded rod (406), the surface threaded connection of first threaded rod (406) has thread bush (407), the external surface mounting of thread bush (407) has fixed block (408), two the one end that fixed block (408) carried on the back mutually all is fixed with slider (409), elevating system (4) still include with install bin (3) two protective box (410) of surface mounting.

2. A service platform for a double beam crane according to claim 1, characterised in that: the upper surfaces of the two first threaded rods (406) are rotatably connected with the top wall of the inner cavity of the protective box (410) through bearings, and the bottoms of the two first threaded rods are rotatably connected with the bottom wall of the inner cavity of the installation box (3) through bearings.

3. A service platform for a double beam crane according to claim 1, characterised in that: two the spout has all been seted up to protective housing (410) one end that the inner chamber was carried on the back mutually, two the one end that slider (409) were carried on the back mutually all is located the inside of spout and rather than sliding connection, spout and slider (409) all are T shape.

4. A service platform for a double beam crane according to claim 1, characterised in that: the outer edge face of first threaded rod (406) is fixed with solid fixed ring, gu fixed ring's upper surface laminates mutually with the lower surface of thread bush (407), the rectangle that is inside cavity and lower surface disappearance of under casing (5).

5. A service platform for a double beam crane according to claim 1, characterised in that: the stabilizing mechanism (6) comprises a second motor (601) fixed to the right end of the bottom box (5), an output shaft of the second motor (601) penetrates through the right side wall of the bottom box (5), extends into the right side wall of the bottom box (5) and is connected with the right side wall of the bottom box in a rotating mode through a bearing, a connecting rod (602) is fixed to the output end of the second motor (601), two worms (603) are fixed to the outer surface of the connecting rod (602), worm wheels (604) are meshed with the back faces of the two worms (603), threaded pipes (605) are fixed to the inner peripheral walls of the worm wheels (604), second threaded rods (606) are in threaded connection with the inner peripheral walls of the threaded pipes (605), fixing plates (607) are fixed to the lower surfaces of the two second threaded rods (606), sliding rods (608) are fixed to the left ends and the right ends of the fixing plates (607), and four moving wheels (609) are fixed to the lower surfaces of the fixing plates (607).

6. An inspection platform for a double beam crane according to claim 5, wherein: the movable wheel (609) is a universal wheel, the upper surface of the threaded pipe (605) is rotatably connected with the top wall of the inner cavity of the bottom box (5) through a bearing, the left side wall and the right side wall of the inner cavity of the bottom box (5) are both provided with a long hole, and the two ends, back to back, of the sliding rods (608) are both positioned in the long holes and are in sliding connection with the long holes.

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