CN203187313U

CN203187313U - Bridge crane

Info

Publication number: CN203187313U
Application number: CN 201320113223
Authority: CN
Inventors: 于泽群
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-13
Filing date: 2013-03-13
Publication date: 2013-09-11
Anticipated expiration: 2023-03-13

Abstract

The utility model discloses a bridge crane. The bridge crane comprises a girder, a cross frame and a lifting appliance which is installed on the girder and can axially move along the girder, wherein movable pulley is arranged on the lifting appliance and connected with a motion control device on the girder through a steel wire rope; a fixed frame is fixed below the motion control device, arranged on the periphery of the lifting appliance and limits the swinging of the lifting appliance; the movable pulley is in shaft connection with the beam of the lifting appliance; rollers are respectively arranged on the two ends of the lifting appliance and are close to but not contacted with the inner side of the fixed frame; the peripheral surfaces of the rollers are opposite to the inner side of the fixed frame. The fixed frame is used to prevent the lifting appliance from swinging in lifting and moving processes, and an adopted contact mode of pulley structures not only cannot influence the lifting of the lifting appliance but also can avoid friction. A rotary apparatus which is controlled by an actuating device is adopted to mechanically control the rotating angle of an object to be lifted. By utilizing the bridge crane, the safety of the crane can be improved, the labor intensity of workers is reduced, and the working efficiency is increased.

Description

A kind of crane in bridge type

Technical field

The utility model relates to mechanical field, be specifically related to a kind of can be vertical and the crane in bridge type of parallel hoisting heavy.

Background technology

In the prior art, between some Oversize vehicles, all be provided with crane in bridge type, for the production of traditional thread bindingly join, work such as goods transports, general crane in bridge type comprises crossbeam, be arranged on the crossbearer that both sides are used for supporting crossbeam and orbit is provided, be installed on the crossbeam and can be along the axially movable suspender of crossbeam, utilize suspender that thing to be hung is sling in use, controlling crossbeam again moves to placement location along crossbearer and puts down thing to be hung, bridge-type plays living heavy-duty machine and greatly facilitates production process, and has improved work efficiency.But existing suspender is when lifting is waited to hang thing, owing to be to adopt steel rope control suspension hook, thing to be hung can wave phenomenon aloft when motion like this, in the prior art for overcoming this problem, adopted the structure that reduces rope capacity or rigidity suspension bracket, though aforesaid way can solve subproblem, wave and to overcome fully but the minimizing rope capacity means partly to reduce, though and the rigidity suspension bracket can be avoided waving, but because self structure problem, cause the sling height deficiency, can impact the ground work-site.The suspension hook of suspender can not or be difficult for adjusting waiting to hang the thing anglec of rotation in the plane after will thing be hung slinging in addition, can only rely on manual operation to realize, increased artificial labour intensity, and when waiting to hang thing when very heavy, manual operation is not only dangerous but also be difficult to realize.

The utility model content

Can produce the problem of waving for solving prior art crane in bridge type lifting thing to be hung, the utility model provides a kind of crane in bridge type that can avoid thing to be hung to wave, concrete scheme is as follows: a kind of crane in bridge type, comprise crossbeam, be arranged on the crossbearer that both sides are used for supporting crossbeam and orbit is provided, be installed on the crossbeam and can be along the axially movable suspender of crossbeam, it is characterized in that, described suspender is provided with movable pulley, described movable pulley is connected with mobile controller on the crossbeam by steel rope, the below of described mobile controller fixedly has and is located at suspender periphery and the fixed mount that rocks of restriction suspender, described movable pulley axle is connected on the hanger beam, be provided with near the fixed mount inboard but discontiguous roller at the two ends of hanger beam, the side face of described roller is inboard relative with fixed mount.

For preventing suspender rotation diametrically: described fixed mount is provided with the parallel rail that extends to both sides, hanger beam termination with hanger beam two ends opposed inside, and the position relative with parallel rail, the termination of described hanger beam is provided with auxiliary pulley.

For avoiding influencing ground object: described fixed mount is perpendicular to ground and the length adjustable height less than the suspender hook.

Be the convenient anglec of rotation of waiting to hang thing of controlling: described suspender comprises the rotating mechanism that the control suspension hook radially rotates, described rotating mechanism comprises the bearing seat that is fixed on the hanger beam, one end is installed in the suspension hook axle that the interior other end of bearing seat is equipped with the suspension hook support, suspension hook is movably arranged on the suspension hook support by anchor shaft, be fixed with driven gear on the described anchor shaft, the periphery of described driven gear contacts with the gear wheel shaft of actuating unit.

Be the anglec of rotation that realizes that accurately control waits to hang thing: the diameter of described driven gear is greater than the diameter of gear wheel shaft.

The utility model has been avoided suspender rocking when promoting and move by fixed mount, and the way of contact of employing roller structure neither influences the rising of suspender can avoid friction again.Adopt the slewing arrangement of actuating unit control can realize the anglec of rotation that machinery control waits to hang thing, the utility model can improve the safety of hoisting crane, reduces hand labor intensity, increases work efficiency.

Description of drawings

Fig. 1 structural representation of the present utility model;

The schematic top plan view of Fig. 2 fixed mount and crossbeam;

The schematic top plan view of Fig. 3 slewing arrangement;

Label declaration in the accompanying drawing: 1-crossbeam, 2-suspender, 201-movable pulley, 202-hanger beam, 203-roller, 204-suspension hook, 3-fixed mount, the parallel rail of 301-, 4-rotating mechanism, 401-bearing seat, 402-suspension hook axle, 403-suspender support, 404-anchor shaft, 405-driven gear, 406-gear wheel shaft, 407-actuating unit, 5-mobile controller.

The specific embodiment

As Fig. 1, shown in 2, crane in bridge type of the present utility model, comprise crossbeam 1, be arranged on the crossbearer that both sides are used for supporting crossbeam 1 and orbit is provided, be installed on the crossbeam 1 and can be along the axially movable suspender 2 of crossbeam, it is characterized in that, described suspender 2 is provided with movable pulley 201, described movable pulley 201 is connected with mobile controller 5 on the crossbeam 1 by steel rope, the below of described mobile controller 5 fixedly has and is located at suspender 2 peripheries and the fixed mount 3 that rocks of restriction suspender, 201 on described movable pulley is connected on the hanger beam 202, be provided with near the fixed mount inboard but discontiguous roller 203 at the two ends of hanger beam 202, the side face of described roller 203 is inboard relative with fixed mount.

Suspender rises after waiting to hang thing slinging during work, hanger beam on the suspender enters in the fixed mount and is fixed frame restriction mobile space at this moment, the roller at hanger beam two ends can bump with the inboard of fixed mount when rising, because roller is that movable installation and rotating direction are identical with the ascent direction of hanger beam, therefore roller and the lifting that can not influence suspender after fixed mount contacts, but fixed mount can prevent rocking of suspender.When being raised to the desired location, suspender begins when mobile, because fixed mount is to captive joint with the mobile controller on the crossbeam, itself can with the same moved further of crossbeam, therefore fixed mount can rock the generation restriction to the suspender in the movement, prevent rocking when suspender moves in the air, improved the safety of hoisting crane.

For preventing suspender rotation diametrically, the utility model is provided with the parallel rail 301 that extends to both sides, hanger beam termination at fixed mount 3 with hanger beam 202 two ends opposed inside, and the termination of described hanger beam 202 and parallel rail 301 relative positions are provided with auxiliary wheel 205.Auxiliary wheel keeps at a certain distance away equally with between the parallel rail 301, when suspender 2 liftings, if suspender takes place radially to rotate, then the auxiliary wheel of both sides, hanger beam two ends can bump with relative parallel rail, because the side face of auxiliary wheel is relative with parallel rail, so hanger beam and the collision of parallel rail also can not influence the lifting of suspender.Parallel rail 301 can adopt channel-section steel, square steel or steel plate one class directly to be fixed on the fixed mount.For fear of the effect length ground object of fixed mount, fixed mount 3 of the present utility model is perpendicular to ground and the length adjustable height less than suspension hook 204.Substantially can not rock when lifting owing to wait to hang thing, and arrive eminence owing to produce stack between the vibrations of hoisting crane and the self gravitation, bigger rocking just can take place, therefore the length of fixed mount can be set according to concrete big depth of beam.

Shown in Fig. 1,3, in order to control the rotation of suspension hook, suspender of the present utility model comprises the rotating mechanism 4 that the control suspension hook radially rotates, described rotating mechanism 4 comprises the bearing seat 401 that is fixed on the hanger beam 202, one end is installed in the suspension hook axle 402 that the bearing seat 401 interior other ends are equipped with suspension hook support 403, suspension hook 204 is movably arranged on the suspension hook support 403 by anchor shaft 404, be fixed with driven gear 405 on the described anchor shaft 404, gear wheel shaft 406 engagements of the periphery of described driven gear 405 and actuating unit 407.Actuating unit 407 gear shaft 406 rotations during work, the rotation of gear wheel shaft 406 drives driven gear 405 rotations of engagement, because driven gear 405 captives joint with the anchor shaft 404 of suspension hook 204, thereby so the rotation of gear 405 then drive suspension hook 204 and do corresponding rotation.Suspension hook axle 402 is installed in the bearing seat 401, can self realize the swing of suspension hook 204 by suspension hook support 403 as fulcrum.For improving rotation precision, the diameter of driven gear 405 of the present utility model is greater than the diameter of gear wheel shaft 406.Actuating unit only needs the rotation number of turns of gear shaft just can control the rotational angle of driven gear like this, and then control waits to hang the rotational angle of thing.

The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, anyly be familiar with the technical personnel of this patent in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned prompting is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of the utility model scheme.

Claims

1. crane in bridge type, comprise crossbeam (1), be arranged on the crossbearer that both sides are used for supporting crossbeam and orbit is provided, be installed in that crossbeam (1) is gone up and can be along the axially movable suspender of crossbeam (2), it is characterized in that, described suspender (2) is provided with movable pulley (201), described movable pulley (201) is connected with mobile controller (5) on the crossbeam (1) by steel rope, the below of described mobile controller (5) fixedly has and is located at suspender (2) periphery and the fixed mount (3) that rocks of restriction suspender (2), described movable pulley (201) axle is connected on the hanger beam (202), be provided with near the fixed mount inboard but discontiguous roller (203) at the two ends of hanger beam (202), the side face of described roller (203) is inboard relative with fixed mount.

2. a kind of crane in bridge type as claimed in claim 1, it is characterized in that, described fixed mount (3) is provided with the parallel rail (301) that extends to both sides, hanger beam termination with hanger beam (202) two ends opposed inside, and the position relative with parallel rail (301), the termination of described hanger beam (202) is provided with auxiliary pulley (205).

3. a kind of crane in bridge type as claimed in claim 2 is characterized in that, described fixed mount (3) is perpendicular to ground and the length adjustable height less than suspender (2) hook (204).

4. a kind of crane in bridge type as claimed in claim 3, it is characterized in that, described suspender (2) comprises the rotating mechanism (4) that control suspension hook (204) radially rotates, described rotating mechanism (4) comprises the bearing seat (401) that is fixed on the hanger beam (202), one end is installed in the suspension hook axle (402) that the interior other end of bearing seat (401) is equipped with suspension hook support (403), suspension hook (204) is movably arranged on the suspension hook support (403) by anchor shaft (404), be fixed with driven gear (405) on the described anchor shaft (404), the periphery of described driven gear (405) contacts with the gear wheel shaft (406) of actuating unit (407).

5. a kind of crane in bridge type as claimed in claim 4 is characterized in that, the diameter of described driven gear (405) is greater than the diameter of gear wheel shaft (406).