A kind of Foldable electric gate
The utility model relates to a kind of motor-driven Foldable electric gate, is applicable to that enterprises and institutions and government department have the gate of big courtyard wall.
ZL92235067.1 discloses a kind of Foldable electric door.This door is made up of motor, active door, driven door.Initiatively on the door drive rod is housed, this bar one end links to each other with screw mandrel in the machine shaft, and motor is contained on the pedestal, initiatively door upward and the coaxial fixed wheel that is equipped with of rotary column, this is taken turns and is fixed on the pedestal.Driven door is equipped with driven pulley with the rotary column end that the active door links to each other, and driven wheel is in same plane, and two-wheeled links to each other through wire rope, and guide wheel and cable regulator are housed therebetween.
This door is by the driven by motor drive rod, promotes initiatively door rotation, again through fixed wheel on two and the motion of the wire rope between driven pulley, realizes two fold.
The structure at this gate is compared with opposite opened or parallel-moving type Power-driven gate, and its progress has reduced shared place when being the switch gate, need not to be provided with the exclusive guideway of door; During power failure, need not to take bigger measure just can realize that manpower drives the gate.But also there are some problems in this gate: pulley one steel cable transmission, often,, two guide wheels must be housed between fixed wheel and driven pulley in order to guarantee the tension force of steel cable because in use the tension force of steel cable reduces, loosening skidding and arrive and make transmission failure; The driving of main door is that the flexible screw mandrel that the machine shaft push-and-pull by the cylindrical tube shape of screw in being matches with it is realized, because the frequent forward and reverse rotation of motor, screw mandrel and motor tube axle wearing and tearing consume are bigger, the possibility generation that causes frequent maintenance therefrom, changes part.
The purpose of this utility model designs at the existing problem of above-mentioned Foldable electric door, and its driving mechanism and passive driving-chain structure can guarantee that transmission is reliable continuously, and simple in structure, handling safety.
Structure of the present utility model is achieved in that
A kind of Foldable electric gate is the driving mechanism by main door, inferior door, main door, with the turning cylinder with main door be the center, a this center extremely time center of rotation is formed by the passive driving-chain of radius, and its characteristics are that the driving mechanism of main door (1) is attachment pegs (7) formation by motor deceleration device (2), worm and gear (3), safety device (4), a pair of bevel gear (5), master's door power transmission shaft (6), connection main door turning cylinder (6) He Zhumen (1); Passive driving-chain is by being formed with minor sprocket (11) and the chain (12) of leading a hinge wheel (8) that turning cylinder (6) assembles movingly and be fixed on time door (9) turning cylinder (10).
With an embodiment and accompanying drawing structure of the present utility model is described in further detail below.
Fig. 1 is the utility model, the main TV structure schematic diagram at a kind of Foldable electric gate.
Fig. 2 is the working state schematic representation that the utility model opens the door.
Fig. 3 is the working state schematic representation that the utility model is closed the door.
A kind of Foldable electric gate is the driving mechanism by main door, inferior door, main door, with the turning cylinder with main door be the center, this center to a time center of rotation is formed by the passive driving-chain of radius, is characterized in that the driving mechanism of main door (1) is made up of the wheel shaft (6) (promptly being main door turning cylinder (6)) of motor deceleration device (2), worm and gear (3), safety device (4), a pair of bevel gear (5), passive bevel gear (5), the attachment pegs (7) of connection main door turning cylinder (6) He Zhumen (1); Passive driving-chain is by the hinge wheel (8) that assemble movingly with main door turning cylinder (6) and be fixed on minor sprocket (11) on time turning cylinder (10) of (9) and the chain (12) on the sprocket wheel is formed, and hinge wheel (8) is fixed on transfixion on the pedestal.
Another one characteristics of the present utility model are spring assemblies (14) that screw thread adjusting device (13) and two symmetric arrangement are housed on chain (12).The effect of screw thread adjusting device (13) is to adjust the tensioning degree of whole chain (12) by adjusting screw on it, make it operate as normal, when the gate reaches extreme position and is blocked, two springs (14) work, one is drawn spring to stretch, another draws length of spring compressed, plays buffering speed governing effect.
The course of work that the gate opens the door:
When motor deceleration device (2) starts along a certain direction rotation, drive worm and wormwheel, bevel gear (5), the rotating shaft (6) of passive umbrella wheel wheel (5) makes main door (1) rotate by inhour (arrow direction indication) by attachment pegs (7), because chain (12) Sui Zhumen (1) rotates counter clockwise it is also rotated around hinge wheel (8) by inhour, because hinge wheel (8) transfixion, being equivalent to hinge wheel (8) clockwise rotates along self center, at this moment, chain (12) just drives minor sprocket and the center clockwise direction rotation of time door (9) along minor sprocket (11).When main door (1) went to 90 °, inferior door was along center Rotate 180 ° (the diameter ratio of big minor sprocket of minor sprocket (11)
) realize opening the door.
The course of work of closing the door in the gate:
When starting, rotates motor deceleration device (2) along other direction, drive worm and wormwheel, bevel gear (5), the turning cylinder (6) of passive bevel gear (5) makes main door (1) by (arrow direction indication) rotation clockwise by attachment pegs (7), as a same reason. because chain (12) Sui Zhumen (1) moves in the direction of the clock its (chain) is rotated around hinge wheel (8) in the direction of the clock, because hinge wheel (8) transfixion, being equivalent to hinge wheel (8) rotates along counter-clockwise direction, at this moment, chain (12) just drives minor sprocket (11) and time door (9) rotates along the center counter-clockwise direction of minor sprocket (11).When main door (1) went to 90 °, inferior door (9) was realized closing the door along the center Rotate 180 of minor sprocket (11) °.
When the gate is in arbitrary position:
When running into the power failure gate and be in arbitrary position, folding falls attachment pegs (7), and the utility model Foldable electric gate at this moment is the same with common door, can arbitrarily be pushed away or is drawn realization to close the door or open the door by staff.
Novel structure of the present utility model is simple and reliable, owing to adopted the chain sprocket transmission, can guarantee that the transmission continous-stable is reliable.Its floor space is little, and safety simple to operate can realize the automatic or manual switch at gate.It is applicable to the gate of enterprises and institutions and government department.