Rotary adjustable heat insulation protection device

Abstract

A rotary adjustable heat insulation protection device comprises a plurality of mounting seats evenly arranged at the lower end of a main beam of a crane at intervals, a heat insulation plate arranged in the length direction of the main beam is arranged below the main beam, the upper end of the heat insulation plate is hinged to the mounting seats, and a rotating shaft parallel to the main beam is rotationally assembled at the top end of the main beam through a support. Power mechanisms are arranged at the two ends of the main beam and are in transmission connection with rotating shafts; steel wire ropes are connected between the steel wire rope reels and the heat insulation plate, the upper ends of the steel wire ropes are wound on the steel wire rope reels, and the lower ends of the steel wire ropes are detachably fixed to the lower end of the heat insulation plate. The device is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to crane technical field especially relates to a rotatable heat -proof device of heat insulation. BACKGROUND

[0002] Crane refers to the vertical lifting and horizontal transport heavy load in a certain range multi -action hoisting machinery, also called sky crane, navigation, crane, crane mostly includes main beam, lower end beam, upper end beam, support leg, running gear, trolley, hoisting mechanism and sling composition, crane is widely used in all walks of life, sometimes need to hoist high temperature product, when crane hoists high temperature product, the heat radiation of product itself can cause the influence of electric appliance and cable in the distribution cabinet above the main beam of crane, reduces the service life of crane, also improves the requirement to material performance. In prior art, when crane hoists high temperature article, the heat radiation of high temperature can cause damage to cable and electric appliance above the main beam of crane, thereby influence its service life, therefore prior art lacks the protection of crane hoisting high temperature product. CONTENT OF UTILITY MODEL

[0003] The utility model discloses in order to solve the technical problem that the crane hoists high temperature product, because the heat radiation of high temperature can cause damage to cable and electric appliance above the main beam of crane, provide a rotatable heat -proof device of heat insulation, including the installation seat that a plurality of even interval is arranged in the main beam lower end of crane, the heat insulation board that is provided along the main beam length direction is equipped below the main beam, and the upper end of heat insulation board is hinged on the installation seat, and heat insulation board can rotate along the installation seat. The top of main beam is rotatably assembled with the rotating shaft that is arranged in parallel with the main beam through the support, and the both ends of main beam are each equipped with power mechanism, and power mechanism includes the speed reducer and motor that can detachably fixed at the top of main beam of crane, and the power output shaft of motor is connected with the power input shaft of speed reducer, and the power output shaft of speed reducer is connected with rotating shaft. A plurality of even interval setting steel wire rope winding drums are fixed on rotating shaft, and steel wire rope winding drum is connected with heat insulation board between steel wire rope, and the upper end of steel wire rope is wound on steel wire rope winding drum, and the lower end of steel wire rope is detachably fixed at the lower end of heat insulation board, when using, start motor, and motor drives steel wire rope winding drum to rotate through rotating shaft, and steel wire rope winding drum drives heat insulation board to rotate through winding steel wire rope, and the angle of heat insulation board is adjusted. The top outside of main beam is equipped with a plurality of first fixed pulley sets that correspond with steel wire rope winding drum one to one, and the lower end outside of main beam is equipped with a plurality of second fixed pulley sets that correspond with first fixed pulley set, and steel wire rope is respectively wound through first fixed pulley set and second fixed pulley set, and first fixed pulley set and second fixed pulley set facilitate steel wire rope to drive heat insulation board, reduce the wear and tear of steel wire rope, and improve the service life of steel wire rope.

[0004] Preferably, the rotating shaft is divided into several segments, and the segments of the rotating shaft are detachably fixed and connected through couplings, facilitating production and installation.

[0005] Preferably, the heat insulation plate is divided into several segments, and the segments of the heat insulation plate are detachably fixed and connected through flanges, facilitating production and installation.

[0006] Preferably, the bottom end of the main beam is provided with a stopper limiting the rotating angle of the heat insulation plate.

[0007] The above scheme has the following advantages:

[0008] The heat insulation plate is arranged on both sides of the main beam, can block the heat radiation generated by the heat source on the lifting tool, can effectively reduce the protection of the electric controller and cable in the electric appliance cabinet above the main beam by high temperature and high heat, prolongs the service life of the crane, and reduces the maintenance cost; the power mechanism is arranged, the steel wire rope is dragged to rotate the heat insulation plate through the motor, the angle of the heat insulation plate is adjusted, and the rotating angle of the heat insulation plate is limited through the stopper. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is an installation structure schematic of the utility model Figure 1 ;

[0010] Figure 2 It is an installation structure schematic of the utility model Figure 2 ;

[0011] Figure 3 It is an A part enlarged view of Figure 1 ;

[0012] Figure 4 It is a B part enlarged view of Figure 2 .

[0013] Fig. 1, main beam; 2, heat insulation plate; 3, power mechanism; 4, stopper; 11, upper end beam; 12, lower end beam; 13, supporting leg; 14, travelling mechanism; 21, mounting seat; 31, rotating shaft; 32, speed reducer; 33, motor; 34, coupling; 35, steel wire rope winding drum; 36, first fixed pulley block; 37, second fixed pulley block; 38, steel wire rope. DETAILED DESCRIPTION

[0014] As Figures 1-4As shown, a rotating adjustable heat shield device includes a plurality of mounting seats 21 evenly spaced at the lower end of the main beam 1 of the crane, a heat shield plate 2 is arranged below the main beam 1 along the length direction of the main beam 1, the upper end of the heat shield plate 2 is hinged to the mounting seat 21, and the heat shield plate 2 can rotate along the mounting seat 21. The top end of the main beam 1 is rotatably assembled with a rotating shaft 31 arranged in parallel with the main beam 1 through a support, both ends of the main beam 1 are provided with a power mechanism 3, the power mechanism 3 includes a speed reducer 32 and a motor 33 which are detachably fixed to the top end of the main beam 1 of the crane, the power output shaft of the motor 33 is in transmission connection with the power input shaft of the speed reducer 32, and the power output shaft of the speed reducer 32 is in transmission connection with the rotating shaft 31. A plurality of steel wire rope drums 35 are fixed to the rotating shaft 31 and evenly spaced, a steel wire rope 38 is connected between the steel wire rope drum 35 and the heat shield plate 2, the upper end of the steel wire rope 38 is wound on the steel wire rope drum 35, and the lower end of the steel wire rope 38 is detachably fixed to the lower end of the heat shield plate 2. In use, the motor 33 is started, the motor 33 drives the steel wire rope drum 35 to rotate through the rotating shaft 31, the steel wire rope drum 35 drives the heat shield plate 2 to rotate through the winding steel wire rope 38, and the angle of the heat shield plate 2 is adjusted. A plurality of first fixed pulley sets 36 are arranged on the outside of the top end of the main beam 1 and correspond to the steel wire rope drums 35 one by one; a plurality of second fixed pulley sets 37 are arranged on the outside of the lower end of the main beam 1 and correspond to the first fixed pulley sets 36, and the steel wire rope 38 passes through the first fixed pulley set 36 and the second fixed pulley set 37 respectively, the first fixed pulley set 36 and the second fixed pulley set 37 facilitate the steel wire rope 38 to drive the heat shield plate 2, reduce the wear of the steel wire rope 38, and improve the service life of the steel wire rope 38.

[0015] Preferably, the rotating shaft 31 is divided into a plurality of segments, and the segments of the rotating shaft 31 are detachably fixed and connected through the shaft couplings 34, facilitating production and installation.

[0016] Preferably, the heat shield plate 2 is divided into a plurality of segments, and the segments of the heat shield plate 2 are detachably fixed and connected through flanges, facilitating production and installation.

[0017] Preferably, the bottom end of the main beam 1 is provided with a stopper 4 limiting the rotation angle of the heat shield plate 2.

[0018] Use process:

[0019] The utility model discloses when using, when the crane hoisting mechanism promotes high temperature high heat heavy lifting, starts motor 33, motor 33 drives rotation axis 31 counterclockwise rotation, and the steel wire rope reel 35 on rotation axis 31 releases steel wire rope 38, and heat insulation board 2 is under the action of gravity downward rotation for vertical state, and heat insulation board shields the heat radiation of the high temperature high heat of the lifting appliance, and after the lifting appliance is hanging high temperature high heat and falls, starts motor 33 again, and motor 33 is through the steel wire rope reel 35 on driving rotation axis 31 and is wound and is dragged steel wire rope 38, and steel wire rope 38 drags heat insulation board 2 and rotates a certain angle upwards, until the next lifting appliance hoists heavy, and the angle of heat insulation board 2 can be adjusted through power mechanism 3 again.

[0020] In the description of the utility model, it is understood that the orientation or position relation of the terms "up", "down", "left", "right", "top", "bottom", "horizontal", "vertical" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0021] The above embodiment is the description of the utility model, is not the limitation of the utility model, and any simple transformation of the utility model belongs to the protection scope of the utility model.

Claims

1. A rotating adjustable thermal shield characterized by: The crane comprises a plurality of mounting seats uniformly arranged at the lower end of the main beam, a heat insulation plate arranged below the main beam along the length direction of the main beam, the upper end of the heat insulation plate being hinged to the mounting seat, the top end of the main beam being rotatably assembled with a rotating shaft parallel to the main beam through a support, the two ends of the main beam each being provided with a power mechanism, the rotating shafts of the power mechanisms being in transmission connection, a plurality of steel wire rope reels being uniformly arranged on the rotating shaft, a steel wire rope being connected between the steel wire rope reel and the heat insulation plate, the upper end of the steel wire rope being wound on the steel wire rope reel, and the lower end of the steel wire rope being detachably fixed to the lower end of the heat insulation plate.

2. A rotating adjustable heat shield according to claim 1, wherein: A plurality of first fixed pulley sets corresponding to the steel wire rope reels are arranged on the outside of the top end of the main beam, and a plurality of second fixed pulley sets corresponding to the first fixed pulley sets are arranged on the outside of the lower end of the main beam, and the steel wire ropes pass through the first fixed pulley sets and the second fixed pulley sets, respectively.

3. A rotating adjustable thermal shield according to claim 1, wherein: The power mechanism comprises a speed reducer and a motor detachably fixed to the top end of the main beam of the crane, the power output shaft of the motor being in transmission connection with the power input shaft of the speed reducer, and the power output shaft of the speed reducer being in transmission connection with the rotating shaft.

4. A rotating adjustable thermal shield according to claim 1, wherein: The rotating shaft is divided into a plurality of segments, and the segments of the rotating shaft are detachably fixedly connected through couplings.

5. A rotating adjustable thermal shield according to claim 1, wherein: The heat insulation plate is divided into a plurality of segments, and the segments of the heat insulation plate are detachably fixedly connected through flanges.

6. A rotating adjustable thermal shield according to claim 1, wherein: The bottom end of the main beam is provided with a stopper limiting the rotation angle of the heat insulation plate.

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