CN206616915U

CN206616915U - Lift falling proof device

Info

Publication number: CN206616915U
Application number: CN201621492185.3U
Authority: CN
Inventors: 郑俭余
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-31
Filing date: 2016-12-31
Publication date: 2017-11-07
Anticipated expiration: 2026-12-31

Abstract

The utility model provides a kind of lifting falling proof device, belongs to jacking equipment technical field.It solves the problem of existing jacking equipment anti-falling function compares shortcoming.This lifting falling proof device is used to prevent lifting body from falling in lifting process, it includes rack, lifter wheel, blocking mechanism, main shaft and stops triggering device, rack is fixedly installed vertically, lifter wheel is connected by main shaft with lifting body, main shaft is rotated with lifting body and is connected, lifter wheel is coaxially connected with main shaft, lifting tooth wheel and rack is engaged, blocking mechanism is arranged on lifting body, and can be locked by main shaft in the case of lifting body falls, stop that triggering device controls the working condition of blocking mechanism.Once present apparatus chain disconnects, stop that triggering device can control blocking mechanism to stop main shaft and lifter wheel immediately, preventing lifting body from falling, being swift in response, safety coefficient is high.

Description

Lift falling proof device

Technical field

The utility model belongs to jacking equipment technical field, is related to the lifting falling proof device of jacking equipment.

Background technology

In recent years, with the rapid growth of China's Motor Maintenance amount, the supporting parking stall in city builds serious delayed, especially China big city downtown Public Parking and its deficient, the appearance of parking difficulty problem and continuous aggravation in recent years, result in A series of social concerns, or even trip, work efficiency and the quality of life of people are badly influenced, while also govern automobile production The development of industry.Therefore, how efficiently, environmentally friendlyly to solve parking problem turns into a great problem of each big city facing, stands Body garage with its save floor space, go out that storage is convenient, Transport Vehicle is time saving and energy saving, configure flexible the features such as turn into and solve city The important channel of " parking difficulty " problem and developing direction.

Most multi-storied garages all have Multilayer parking position up and down, when to high-rise parking stall carrier vehicle, generally all It is to realize lifting in the form of vertical distraction, because vehicle overall weight is heavier, once haulage gear breaks down hair Raw vehicle falls, and consequence is hardly imaginable, not only vehicle damage, sometimes can also cause casualties, and this situation is also current Masses repel where the main misgivings of multi-storied garage, and other jacking equipments also all have this potential safety hazard.

Utility model content

The purpose of this utility model is the above mentioned problem present in existing jacking equipment, and proposes a kind of protection The good lifting falling proof device of effect.

The purpose of this utility model can be realized by following technical proposal：

One kind lifting falling proof device, for preventing lifting body from being fallen in lifting process, it is characterised in that it includes tooth Bar, lifter wheel, blocking mechanism, main shaft and stop triggering device, rack are fixedly installed vertically, and lifter wheel passes through main shaft with rising Body connection drops, main shaft is rotated with lifting body and is connected, and lifter wheel is coaxially connected with main shaft, the engagement of lifting tooth wheel and rack stops Mechanism is arranged on lifting body, and can be locked by main shaft in the case of lifting body falls, and stops that triggering device control stops The working condition of mechanism.

In above-mentioned lifting falling proof device, described blocking mechanism includes brake drum, and the brake drum is located at above-mentioned master The sidepiece of axle, being provided between brake drum and lifting body can be by the arrestment mechanism of principal shaft braking.

In above-mentioned lifting falling proof device, described arrestment mechanism includes stop part and the drive being arranged on brake drum Open-and-close mechanism of the stop part closer or far from main shaft is moved, main shaft lateral surface is provided with braking parts, and above-mentioned stop part is in opening-closing machine Braking parts can be blocked in on the motion path of main axis when the driving of structure is close to main shaft.

In above-mentioned lifting falling proof device, described brake drum is multiple, and multiple brake drums are around setting and in Hoop hole is formed centrally, above-mentioned main shaft passes through the hoop hole, and the size in open-and-close mechanism control hoop hole, above-mentioned stop part is arranged on the interior of hoop hole On wall.

In above-mentioned lifting falling proof device, described brake drum only one of which.During brake drum only one of which, opening-closing machine Structure can drive the brake drum and stop part thereon closer or far from main shaft by the way of cylinder or oil cylinder, so as to realize master The braking of axle.

In above-mentioned lifting falling proof device, described brake drum has two and into C-shaped, the arc of brake drum is recessed Mouth is opposite opposed.

In above-mentioned lifting falling proof device, described braking parts are to be located on main shaft and at least exposed braking in one end Bar, above-mentioned stop part be fixedly installed on the inside of brake drum and with the pin of main axis parallel, when hoop hole reduces, pin can be to main shaft Draw close and be blocked in brake bar exposed junction with the motion path of main axis.

In above-mentioned lifting falling proof device, described open-and-close mechanism includes bidirectional push-pull type electromagnet, bi-directional push-pull Same side of two push rods of formula electromagnet respectively with above-mentioned two brake drum connects one to one.

In above-mentioned lifting falling proof device, described open-and-close mechanism also includes brake compression spring, brake compression bullet Spring is arranged on another same side of two brake drums relative to bidirectional push-pull type electromagnet, and two brake drums of flexible drive are same at this Side is drawn close.

In above-mentioned lifting falling proof device, described pin is located at main shaft in setting coordinate system and rotates clockwise direction First quartile and/or third quadrant in, the coordinate system that sets is using spindle axis as origin, perpendicular to the brake drum direction of motion For X-direction.

In above-mentioned lifting falling proof device, described pin is located at spindle axis counterclockwise rotation direction in setting coordinate system The second quadrant and/or fourth quadrant in, the coordinate system that sets is using spindle axis as origin, perpendicular to the brake drum direction of motion For X-direction.

In above-mentioned lifting falling proof device, described stop triggering device includes many power supply wiring, wiring of powering Sequentially fixed along the traction rope chain of lifting body, adjacent two power supplies wiring join end to end and are sequentially connected into power line, power line Head and the tail two ends be electrically connected with respectively with power supply and open-and-close mechanism.The open-and-close mechanism of electricity consumption is needed to be triggered suitable for the stop Device, during power supply, main shaft rotation does not stop dead, during power-off, and open-and-close mechanism keeps off main shaft dead (i.e. main shaft can not rotate).

It is detachable between the two power supply wiring that are connected to be plugged in together in above-mentioned lifting falling proof device.

In above-mentioned lifting falling proof device, described stop triggering device includes controller and for detecting that main shaft turns The detector of speed or lifting body lifting speed, controller receives the detection signal of detector and controls the work of above-mentioned open-and-close mechanism State.

In above-mentioned lifting falling proof device, described detector is photoelectric encoder or Hall revolution speed transducer, if Put is used for the rotating speed for detecting main shaft between main shaft and lifting body.

In above-mentioned lifting falling proof device, described detector is velocity sensor, the liter for detecting lifting body Reduction of speed degree.

Compared with prior art, once present apparatus chain disconnects, stop that triggering device can control blocking mechanism main immediately Axle and lifter wheel stop, prevent lifting body from falling, are swift in response, and safety coefficient is high.

Brief description of the drawings

Fig. 1 is the structural representation of the multi-storied garage of the utility model application.

Fig. 2 is the structural representation of the riser guide cooperation of lifting body and multi-storied garage.

Fig. 3 is structural representation of the present utility model.

Fig. 4 is that Fig. 3 removes the structural representation after rack and a brake drum.

Fig. 5 is the structural representation that brake drum coordinates with main shaft.

Fig. 6 is the structural representation that protective chain coordinates with lifting body.

Fig. 7 is the structural representation that working chain coordinates with lifting body.

In figure, 1, column；2nd, lifting body；3rd, jiffy stand；4th, car bearing platform；5th, riser guide；6th, rack；7th, lifter wheel； 8th, main shaft；9th, brake drum；10th, bidirectional push-pull type electromagnet；11st, brake compression spring；12nd, brake bar；13rd, pin；14th, photoelectricity Encoder；15th, push rod；16th, working chain；17th, protective chain；18th, bar is reserved；19th, drive sprocket；20th, driven sprocket；21st, elastic force Act on block；22nd, spring is reserved；23rd, tensioning wheel；24th, guide rod；25th, tensioning spring；26th, weighing sensor；27th, rotating shaft.

Embodiment

The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model Description, but the utility model is not limited to these embodiments.

As depicted in figs. 1 and 2, the multi-storied garage of the utility model application includes column 1, lifting body 2 and jiffy stand 3, stops Have on vehicle frame 3 to that there should be a car bearing platform 4 on two parking stalls up and down, each parking stall, column 1 is provided with riser guide 5, rises Drop body 2 is arranged on riser guide 5 and can moved up and down under the driving of lifting drive mechanism along riser guide 5, lifting body 2 with Can combine or separate by clutch carrier mechanism between each car bearing platform 4, with reference to when, lifting body 2 is with corresponding car bearing platform 4 Lower motion.

As shown in Figure 3 and Figure 4, the inner vertical of column 1 is fixed with rack 6, lifter wheel 7, blocking mechanism and stops tactile Transmitting apparatus, lifter wheel 7 is nibbled merga pass main shaft 8 with rack 6 and is connected with lifting body 2, and main shaft 8 is rotated with lifting body 2 and is connected, and rises Gear 7 drops coaxial connected with main shaft 8, blocking mechanism is located between lifting body 2 and main shaft 8, and the feelings that can be fallen in lifting body 2 It is under condition that main shaft 8 is locked, stop that triggering device controls the working condition of blocking mechanism.

In the present embodiment, blocking mechanism includes two C-shaped brake drums 9, and the arc-shaped notch of brake drum 9 is opposed in opposite directions simultaneously Hoop hole is formed centrally within, above-mentioned main shaft 8 passes through the hoop hole, and bidirectional push-pull type electromagnet is respectively arranged with two openings for binding round hole 10 and brake compression spring 11, the same side one of two push rods 15 of bidirectional push-pull type electromagnet 10 respectively with two brake drums 9 One correspondence connection, another same side is then drawn close by the compression of two brake compression springs 11, and two brake drums 9 can around the shaft 27 freely Rotate.Be provided with the arrestment mechanism for main shaft 8 being braked when binding round hole and reducing between brake drum 9 and main shaft 8.Arrestment mechanism includes vertical Be located on main shaft 8 and at least exposed brake bar 12 in one end, the inner side of brake drum 9 set is fixed with neck, neck with it is main The parallel pin 13 of axle 8.When binding round hole diminution, pin 13 can be drawn close to main shaft 8 and be blocked in the exposed junction of brake bar 12 and be rotated with main shaft 8 Motion path on.

In the present embodiment, brake drum 9 has two, and pin 13 equally has two, shown in Fig. 5, when lifting body 2 is descending, main shaft 8 When rotating clockwise, coordinate system is set, is X-direction (this reality perpendicular to the direction of motion of brake drum 9 using the axle center of main shaft 8 as origin It is horizontal X axle to apply in example, and two brake drums 9 symmetrically set up separately in both sides), the diagonally opposing corner of above-mentioned two pin 13 is separately positioned on main shaft In the first quartile and third quadrant that 8 diagrams are turned to, when main shaft 8 is braked, brake bar 12 will not to the force direction of pin 13 Two brake drums 9 are driven to separate.When rack 6 is arranged on opposite side, the front of main shaft 8 is shown as turning counterclockwise when lifting body 2 is descending Dynamic, pin 13 at this time is arranged in the second quadrant and fourth quadrant (establishment of coordinate system mode is same as described above).Work as braking During 9 only one of which of drum, the corresponding also only one of which of pin 13 is arranged in single quadrant.

According to the difference of lifting drive mechanism, adoptable stop triggering device is also different, and the present embodiment is led using chain Draw form driving the oscilaltion of lifting body 2, therefore lifting drive mechanism include drive sprocket 19, driven sprocket 20, chain and Lifting motor, drive sprocket 19 and driven sprocket 20 set up the upper and lower ends in column 1 separately, chain be engaged on drive sprocket 19 and from On movable sprocket 20, lifting motor driving drive sprocket 19 is rotated, and above-mentioned lifting body 2 is fixed on one side of chain.For this Lifting drive mechanism can trigger stop by the way of chain chain rupture is then powered off.The stop triggering device of which includes many Power supply wiring, power supply wiring is sequentially fixed along chain, and the detachable grafting of adjacent two power supplies wiring head and the tail are simultaneously sequentially connected into Power line, the head and the tail two ends of power line are electrically connected with power supply and above-mentioned bidirectional push-pull type electromagnet 10 respectively.Except this it Outside, photoelectric encoder 14 can be also set between main shaft 8 and lifting body 2, and photoelectric encoder 14 is used for the rotating speed for detecting main shaft 8, And detection signal is sent to controller, the working condition of bidirectional push-pull type electromagnet 10 is controlled by controller.

During work, lifting motor drives chain operation, and lifting body 2 oscilaltion campaign by chain traction, carries out carrier vehicle The carrying of platform 4, lifter wheel 7 and main shaft 8 can be rotated with the oscilaltion of lifting body 2 relative to lifting body 2, make lifting tooth Wheel 7 engages traveling along rack about 6.When chain chain rupture, two near at chain rupture wiring of powering are caused to disconnect, power line It is disconnected, bidirectional push-pull type electromagnet 10 is powered off, the push rod 15 at two stretches out, drives two brake drums 9 to draw close, hoop hole is contracted It is small, and then pin 13 is close to main shaft 8 and is blocked on the motion path that the exposed junction of brake bar 12 is rotated with main shaft 8.Brake bar 12 After being kept off by pin 13, main shaft 8 and lifter wheel 7 stop operating, and lifter wheel 7 is stuck in the current position of rack 6, cause to rise Drop body 2 is also stuck can not be descending, prevents the generation of falling accident.

Photoelectric encoder 14 can aid in above-mentioned power-down mode to carry out fall arrest protection or separately as stop triggering device Control blocking mechanism action, once detect the falling speed of lifting body 2 it is too fast when, controller can control bidirectional push-pull type electromagnet 10 power-off complete to stop.In addition to this it is possible to using other detectors, such as to detect under the rotating speed of main shaft 8 or lifting body 2 The mode of reduction of speed degree is triggered.

As shown in Figure 6 and Figure 7, in addition to above-mentioned fall arrest is protected, two chains can also be set, be the work of breakaway-element Chain 16 and protective chain 17, working chain 16 and protective chain 17 respectively to should have one group of work sprocket wheel and protection sprocket wheel, work sprocket wheel and Sprocket wheel is protected to include drive sprocket 19 and driven sprocket 20, the two ends of working chain 16 are connected formation lifting loop chain with lifting body 2, The chain body of working chain 16 is around being located on corresponding work sprocket wheel, and the two ends of protective chain 17 are equally connected formation protection with lifting body 2 Loop chain, the chain body of protective chain 17 is around being located on corresponding protection sprocket wheel, and power set drive above-mentioned work sprocket wheel and protection sprocket wheel Synchronous axial system.

The traction end of protective chain 17 is connected by reserved strainer with lifting body 2, and reserved strainer includes being arranged on Reserved bar 18 inside lifting body 2, reserved bar 18 is vertically arranged, and lower end acts on block 21 provided with elastic force, forms an inverted T-shaped, is reserved Reserved spring 22 is arranged with bar 18, spring 22 is reserved and is in compressive state, the upper end of reserved spring 22 is resisted against lifting body 2 On, lower end is acted on elastic force effect block 21, and the upper end of reserved bar 18 is stretched out lifting body 2 and is connected with the traction end of protective chain 17.

Lifting body 2 is provided with two and protective chain 17 and the one-to-one tensioning wheel 23 of working chain 16, above-mentioned protective chain 17 Connected with lifting body 2 after correspondence tensioning wheel 23, each tensioning wheel 23 and liter are bypassed relative to the other end of traction end with working chain 16 The corresponding tensioning wheel 23 of driving is respectively provided between drop body 2 to the elasticity for driving correspondence protection loop chain and work loop chain diminution direction to be moved Strainer.Elastic tension mechanism includes being arranged with the tensioning spring 25 in compressive state on guide rod 24, guide rod 24, is tensioned bullet The two ends of spring 25 are respectively acting on correspondence tensioning wheel 23 and lifting body 2.Concatenated between the traction end of working chain 16 and lifting body 2 There is weighing sensor 26.

Under normal condition, working chain 16 is in running order, and traction lifting body 2 is moved up and down, and due to protective chain 17 Tension force be less than the tension force of working chain 16, therefore under normal circumstances, protective chain 17 is in the operating condition compared with Smaller load.Work as working chain During 16 generation chain rupture, protective chain 17 enters working condition, on the one hand can ensure that lifting body 2 will not fall, on the other hand can take over Working chain 16 works, and continues to complete lift work.When protective chain 17 works, tension force becomes big, reserves the reserved spring 22 on bar 18 Further compression, the upper part of reserved bar 18 is further stretched out.

In addition to the mode of braking of anchor ear form, main shaft 8 can be braked in the way of stop part horizontal extension.

It should be understood that in claims of the present utility model, specification, all " including ... " should be understood as out The implication of formula is put, that is, its implication is equal to " at least containing ... ", and should not be construed as enclosed implication, i.e. its implication It should not be construed " only including ... ".

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims

1. one kind lifting falling proof device, for preventing lifting body (2) from being fallen in lifting process, it is characterised in that it includes Rack (6), lifter wheel (7), main shaft (8), blocking mechanism and stop triggering device, rack (6) are fixedly installed vertically, lifting tooth Wheel (7) is connected by main shaft (8) with lifting body (2), and main shaft (8) is rotated with lifting body (2) and is connected, lifter wheel (7) and main shaft (8) coaxial to be connected, lifter wheel (7) is engaged with rack (6), and blocking mechanism is arranged on lifting body (2), and can be in lifting body (2) it is in the case of falling that main shaft (8) is locked, stop that triggering device controls the working condition of blocking mechanism.

2. lifting falling proof device according to claim 1, it is characterised in that described blocking mechanism includes brake drum (9), the brake drum (9) is located at the sidepiece of above-mentioned main shaft (8), and being provided between brake drum (9) and lifting body (2) can be by main shaft (8) The arrestment mechanism of braking.

3. lifting falling proof device according to claim 2, it is characterised in that described arrestment mechanism includes being arranged on system Set on stop part and open-and-close mechanism of the driving stop part closer or far from main shaft (8) on dynamic drum (9), main shaft (8) lateral surface There are braking parts, above-mentioned stop part can be blocked in the fortune that braking parts are rotated with main shaft (8) when the driving of open-and-close mechanism is close to main shaft (8) On dynamic path.

4. lifting falling proof device according to claim 3, it is characterised in that described brake drum (9) be it is multiple, it is multiple Brake drum (9) is around setting and being formed centrally within hoop hole, and above-mentioned main shaft (8) passes through the hoop hole, and open-and-close mechanism controls the big of hoop hole Small, above-mentioned stop part is arranged on the inwall in hoop hole.

5. the lifting falling proof device according to claim 3 or 4, it is characterised in that described braking parts are to be located at main shaft (8) on the and at least exposed brake bar in one end (12), above-mentioned stop part is is fixedly installed on the inside of brake drum (9) and and main shaft (8) parallel pin (13), hoop hole reduce when, pin (13) can be drawn close to main shaft (8) and be blocked in brake bar (12) exposed junction with On the motion path that main shaft (8) is rotated.

6. lifting falling proof device according to claim 4, it is characterised in that described open-and-close mechanism includes bi-directional push-pull Formula electromagnet (10), the homonymy of two push rods (15) of bidirectional push-pull type electromagnet (10) respectively with above-mentioned two brake drum (9) End connects one to one.

7. lifting falling proof device according to claim 6, it is characterised in that described open-and-close mechanism also includes braking pressure Contracting spring (11), it is another relative to bidirectional push-pull type electromagnet (10) that brake compression spring (11) is arranged on two brake drums (9) Together side, two brake drums (9) of flexible drive are drawn close at this with side.

8. lifting falling proof device according to claim 5, it is characterised in that described pin (13) is located at setting coordinate Main shaft (8) is rotated clockwise in the first quartile and/or third quadrant in direction or the main shaft (8) in setting coordinate system in system In the second quadrant and/or fourth quadrant that rotate counterclockwise direction, the coordinate system that sets hangs down using main shaft (8) axle center as origin It is straight in brake drum (9) direction of motion be X-direction.

9. the lifting falling proof device according to claim 1-4 or 6-8 any one, it is characterised in that described stop Triggering device includes many power supply wiring, and power supply wiring is sequentially fixed along the traction rope chain of lifting body (2), and adjacent two power supplies connect Line joins end to end and is sequentially connected into power line, and the head and the tail two ends of power line electrically connect with power supply and open-and-close mechanism respectively Connect, it is detachable between the two power supply wiring that are connected to be plugged in together.

10. the lifting falling proof device according to claim 3 or 4, it is characterised in that described stop triggering device includes Controller and the detector for detecting main shaft (8) rotating speed or lifting body (2) lifting speed, controller receive the detection of detector Signal and the working condition for controlling above-mentioned open-and-close mechanism.