A kind of flybar driving machine
Affiliated technical field
The utility model relates to a kind of driving machine of flybar machine.
Background technology
Traditional topping winch principle of work such as Fig. 4 and shown in Figure 5: distance tube (104) is connected as a single entity front end panel (106) and rear bearing sheet (102); Motor and reductor (101) are installed in rear bearing sheet (102) and go up driving drum shaft (105), and reel (103) is installed between the back and front supporting plate through drum shaft (105) and is driven in rotation; Steel rope (302) one ends are fixed on that reel (103) is gone up and are flat around, the load that the other end is sling through last quarter block (301) connection flybar at the lip-deep plug helix of reel (103) upper edge reel (103); The stroke of suspension rod is long more, steel rope (302) reel (103) go up flat around the number of turns many more.When suspension rod need be when vertex be lowered into the stage table top, steel rope (302) reel (103) go up flat around the number of turns will progressively all discharge from whole number of turns, become state like the state of Fig. 4 like Fig. 5.Because the position of last quarter block (301) is a unmodified; Highly bigger between reel (103) and last quarter block (301); Steel rope (302) is also little with respect to the angle that the lip-deep plug helix of reel (103) departs from; Steel rope (302) is difficult for deviating from plug helix, and steel rope (302) is flat around can not be disorderly reel (103) surface, and boom system can guarantee reliable operation.But installing space is limited sometimes; Highly very little between reel (103) and the quarter block (301); Just need make between reel (103) and the last quarter block (301) and do relative translation along the axis of reel (103); Make suspension rod guarantee that in when work steel rope (302) keeps flat around can not be disorderly with respect to the lip-deep plug helix of reel (103), thereby guarantee the boom system reliable operation.
Summary of the invention
The object of the present invention is to provide a kind ofly under the installing space condition of limited, can under situation highly very little between reel (103) and the quarter block (301), reliably accomplish the flybar driving machine that suspension rod drives, thus the safety when guaranteeing the stage performance.
The technical solution adopted for the present invention to solve the technical problems is:
Motor and retarder (101), rear bearing sheet (102), reel (103), distance tube (104), drum shaft (105) and the front end panel (106) etc. of traditional suspension rod driving machine are designed to and can move integral body by a whole driving machine that moves; Drum shaft (105) is provided with sprocket wheel driving wheel (107), is provided with screw rod sprocket shaft (110) in the below of drum shaft (105); The two ends of screw rod sprocket shaft (110) are installed on front end panel (106) and the rear bearing sheet (102), and screw rod sprocket shaft (110) can rotate but translation vertically by the line of centers of axle; Sprocket wheel flower wheel (109) is installed on the screw rod sprocket shaft (110); Sprocket wheel flower wheel (109) links to each other with sprocket wheel driving wheel (107) through chain (108) and when work, drives screw rod sprocket shaft (110) rotation by drum shaft (105); The both sides, below of rear bearing sheet (102) and front end panel (106) respectively are provided with cover quadruplet stay bearing plate wheel carrier (112) altogether, and stay bearing plate wheel carrier (112) is provided with translation position-limited wheel (111) and the moving position-limited wheel (113) of side; Translation position-limited wheel (111) is arranged between getting on the right track of the interior survey of slide rail base (201) and the lower railway, can guarantee that driving machine moves integral body and vertically moves along slide rail; Side is moved position-limited wheel (113) and is arranged in the groove of surveying in the slide rail base (201), in the siding track of slide rail base (201), surveys, and moves whole its movement position that when slide rail vertically moves, limits in order to guarantee driving machine; Be set with nut support transverse slat (202) between the slide rail base (201) of the left and right sides; Nut base (203) is installed on the nut support transverse slat (202); Nut (204) is housed, nut (204) work that matches with screw rod sprocket shaft (110) on the nut base (203); On a side of slide rail base (201), be provided with assembly pulley bearing (205), be provided with pulley bracket (206) above the assembly pulley bearing (205), quarter block (207) is installed down on the pulley bracket (206); Flat steel rope (302) on the reel (103) through quarter block (207) down, go up quarter block (301) and arrive suspension rod and remove to promote or put down suspension rod.When motor and retarder (101) driving drum shaft (105) rotation; Drive screw rod sprocket shaft (110) rotation through sprocket wheel driving wheel (107), chain (108) and sprocket wheel flower wheel (109); Through screw rod sprocket shaft (110) work that matches with nut (204); Whole driving machine is moved between whole and the slide rail base (201) produce relative translation; Pitch through screw rod sprocket shaft (110) goes up the consistent of steel wire rope groove pitch with reel (103) again, and the speed that whole driving machine is moved produce relative translation between whole and the slide rail base (201) and the speed of steel rope release are consistent, thereby steel rope is all the time at the last stable operation in the steel wire rope groove of reel (103).
The invention has the beneficial effects as follows,, can guarantee whole topping winch stable operation, thereby can guarantee the person and the safety of property below the suspension rod because steel rope is gone up stable operation in the steel wire rope groove at reel (103) all the time.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1, Fig. 2 and Fig. 3 are the structural representations of the embodiment of the invention, and wherein, Fig. 1 is a front view, and Fig. 2 is an A-A direction cutaway view among Fig. 1, and Fig. 2 is a B-B direction cutaway view among Fig. 1, among the figure:
101, motor and retarder; 102, rear bearing sheet; 103, reel; 104, distance tube; 105, drum shaft; 106, front end panel; 107, sprocket wheel driving wheel; 108, chain; 109, sprocket wheel flower wheel; 110, screw rod sprocket shaft; 111, translation position-limited wheel; 112, stay bearing plate wheel carrier; 113, the moving position-limited wheel of side; 201, slide rail base; 202, nut support transverse slat; 203, nut base; 204, nut; 205, assembly pulley bearing; 206, pulley bracket, 207, following quarter block; 301, go up quarter block; 302, steel rope.
Fig. 4 and Fig. 5 are traditional suspension rod driving machine work structuring scheme drawings, among the figure:
101, motor and retarder; 102, rear bearing sheet; 103, reel; 104, distance tube; 105, drum shaft; 106, front end panel; 301, go up quarter block; 302, steel rope; 303, base.
The specific embodiment
Whole driving machine is designed to move integral body and fixed slide rail base two parts; The both sides of slide rail base portion are two slide rail bases (201) that are arranged in parallel, and the interior survey of slide rail base (201) has upper and lower slide rail and side slide rail; The both sides, bottom of the back and front supporting plate of mobile integral part respectively are equipped with the translation position-limited wheel (111) and the restriction of a cover restriction up-and-down movement and move position-limited wheel (113) to the side of two lateral movements; Translation position-limited wheel (111) can roll along the upper and lower slide rail of surveying in the slide rail base (201), and side is moved position-limited wheel (113) and can be rolled along the side slide rail of surveying in the slide rail base (201); Make between whole mobile integral body and slide rail base two parts slide rail translation by slide rail base (201).
Be described further below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 and Fig. 3 are the structural representations of the embodiment of the invention.
Between rear bearing sheet (102) and the front end panel (106) drum shaft (105) is installed; Reel (103) is installed on the drum shaft (105); Reel (103) appearance is processed with the plug helix of a constant pitch according to the stroke of the thickness of all steel ropes of topping winch (302) and suspension rod, and the just fixing back of an end of steel rope (302) is flat in these grooves, when suspension rod puts down from eminence toward the stage table top; Steel rope (302) constantly discharges again, flat around the number of turns just fewer and feweri; Motor and retarder (101) are installed in rear bearing sheet (102) and go up and to cooperate with drum shaft (105) and drive drum shaft (105), drive reel (103) rotation, pass through steel rope (302) folding and unfolding suspension rod again; Drum shaft (105) is through sprocket wheel driving wheel (107), chain (108) and sprocket wheel flower wheel (109) screw rod sprocket shaft (110) rotation.
Be set with nut support transverse slat (202) between the slide rail base (201) of the left and right sides; Nut base (203) is installed on the nut support transverse slat (202); Nut (204) is housed, nut (204) work that matches with screw rod sprocket shaft (110) on the nut base (203); During screw rod sprocket shaft (110) rotation; Drive nut (204) moves forward and backward along screw rod sprocket shaft (110) relatively; Because nut (204) is fixed, thereby screw rod sprocket shaft (110) just drives whole driving machine and moves the relative slide rail base portion of integral part and do relative translation.Because
Top in a side of slide rail base (201) is provided with assembly pulley bearing (205), is provided with pulley bracket (206) above the assembly pulley bearing (205), and quarter block (207) is installed down on the pulley bracket (206); Flat steel rope (302) on the reel (103) through quarter block (207) down, go up quarter block (301) and arrive suspension rod and remove to promote or put down suspension rod.
Because the pitch of screw rod sprocket shaft (110) goes up the consistent of steel wire rope groove pitch with reel (103); Therefore to move the speed of the speed that produces relative translation between whole and the slide rail base (201) and steel rope release consistent for whole driving machine; Following quarter block (207) remains unchanged with the position of the corresponding steel wire rope groove of reel (103), thereby steel rope is gone up stable operation in steel wire rope groove and the following quarter block (207) at reel (103) all the time.
Because the position of quarter block (207) and last quarter block (301) is fixed down; Therefore the distance between quarter block (207) and the last quarter block (301) can be provided with arbitrarily down; Promptly do not receive the influence of distance; Like this, flybar driving machine of the present invention just goes for very little installing space.