CN206308399U - For the swing arm door mechanism of loop system and loop system - Google Patents

Abstract

The utility model provides a kind of swing arm door mechanism for loop system,Including the swing arm door being oppositely arranged,Swing arm door is led and turns component and mounting bracket,Swing arm door includes rotary shaft and is vertically arranged some swing arms on the rotating shaft,Swing arm door is led and turns component including affixed arm,First be connected with affixed arm rotates part,Rotated the connecting rod that part is hinged with first,Second is hinged with connecting rod to rotate part,Affixed arm one end is affixed on the rotating shaft,Each mounting bracket includes two support bars set along guide rail bearing of trend,Between two support bars and two connecting plate set up and down and the first connecting shaft for being connected between two connecting plates and the second connecting shaft,First rotates offer axle sleeve hole on part,It is inserted in for the first connecting shaft,Second part that rotates is provided with overlap aperture,It is inserted in for the second connecting shaft,The second relative one end being hinged of part that rotates is provided with pulley.The swing arm door mechanism that the utility model is used for loop system can be such that looping car neatly passes through, and be rapidly completed filling for steel band and cover and put set.

Description

For the swing arm door mechanism of loop system and loop system

Technical field

The utility model is related to the manufacture field of steel band, more particularly to a kind of for the swing arm door of loop system and with this The loop system for processing steel band of swing arm door mechanism.

Background technology

During processing, it is weight in process that the steel band after mill milling anneal to stainless steel belt One of step is wanted, to eliminate the hardening effect of steel strip surface, the mechanical performance of steel band is improved.In the mistake that steel band is made annealing treatment In journey, it is necessary to use loop system to deposit, conveying steel belt, to ensure that whole production line still is able to continuously in roll change Operation.

Existing loop system has multiple looping cars, and during set is filled, the looping car in system can be pulled open one by one, The amount of storage of steel band is improved, so as to when steel band conveys change of lap, i.e., when front end stops conveying steel belt, by the steel band amount for storing Continuously can still convey to the back-end, detailed process for the handling rolls of output end first conveyed soon when, the first handling rolls steel band Tail end stop on the conveyor line conveying, the second handling rolls are changed on carriage, and the steel band front end of the second handling rolls is pulled to The tail end welding of the steel band of pipeline and the first handling rolls, forms a continuous steel band, in welding, the first handling rolls steel band Rear end conveying always, loop system be in put set during, many looping cars in system can be close to one by one, will store Amount conveying, whole process can be understood as a large-scale reciprocal broken line, become a small-sized reciprocal broken line, the break of broken line Quantity is unchanged, the amount of storage output of steel band in change procedure.So will not because of change of lap the steel band front end of the second handling rolls with Stop the conveying (such as sending band to annealing furnace) of steel band rear end when the tail end of the first handling rolls steel band is welded.At present, it is existing , it is necessary to looping car coordinates the loop trolley of some in loop system, loop trolley quantity is more, whole loop system knot Structure is complicated, takes up room big.

Utility model content

In view of the above, the utility model is necessary to provide a kind of swing arm door mechanism for loop system, for propping up Support steel band so that loop system simple structure, occupies little space, and high degree of automation.

The technical scheme that the utility model is provided is as follows：A kind of swing arm door mechanism for loop system, is built up in kink The both sides of system guideways, for lifting steel band, swing arm door mechanism includes the swing arm door being oppositely arranged, the pendulum for driving swing arm door to rotate Arm is led and turns component and lead the mounting bracket for turning component installation for corresponding swing arm door, and the swing arm door is including rotary shaft and vertically Some swing arms on the rotating shaft are set, and rotary shaft is rotationally built up in the side of guide rail, and the swing arm door is led and turns component bag Include the first of affixed arm and the connection of affixed arm rotate part and first rotate connecting rod that part is hinged and connecting rod be hinged second around Turn part, one end of affixed arm is fixed in the rotary shaft of swing arm door, and mounting bracket is relatively built up in guide rail both sides, Mei Yian two-by-two Shelve including set along guide rail bearing of trend two support bars, between two support bars and it is set up and down first connection Plate and the second connecting plate and regularly set up the first connecting shaft being connected between the first connecting plate and the second connecting plate and Second connecting shaft, described first rotates offer axle sleeve hole on part, so that the first connecting shaft is inserted in so that first rotates part can be around First connecting shaft is rotated, and second part that rotates is provided with overlap aperture, so that the second connecting shaft is inserted in so that second rotates part can be around the Two connecting shafts are rotated, and the second relative one end being hinged of part that rotates is provided with pulley.

Further, the parallel spaced set of some swing arms.

Further, the top surface of each swing arm has rotatable roller, and roller is installed along swing arm bearing of trend.

Further, sliding groove is offered on the affixed arm, first rotates part including being fixedly connected with each other two cranks at one end, Two cranks are formed with angle and offer the axle sleeve hole in fixing position, wherein a crank is formed with away from one end of axle sleeve hole Slide protrusion, slide protrusion is placed in sliding groove, is rotated with by first part that rotates, and slide protrusion slides simultaneously in sliding groove Affixed arm is driven to rotate.

Further, described second part is rotated including first body of rod and second body of rod, one end of first body of rod and the second bar One end of body is affixed, and fixing position is provided with the overlap aperture, and first body of rod cuts with scissors away from one end of overlap aperture with connecting rod Connect, second body of rod is provided with the pulley away from one end of overlap aperture.

In addition, the utility model is necessary to provide a kind of loop system.

A kind of loop system, including guide rail and the looping car that is arranged on guide rail, the both sides of guide rail set have the right it is described For loop system swing arm door mechanism.

Compared with prior art, the utility model can be such that looping car neatly wears for the swing arm door mechanism of loop system Cross, set is covered and put to filling for steel band to quickly complete, improve loop system automaticity.

Brief description of the drawings

Fig. 1 is that the utility model is used to processing structural front view when the loop system of steel band fills set；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is that the utility model is used to processing structural front view when the loop system of steel band puts set；

Fig. 4 is the top view of Fig. 3；

Fig. 5 is the front view of looping car；

Fig. 6 is the top view of Fig. 5；

Fig. 7 is the front view of one of which swing arm door mechanism；

Fig. 8 is the top view of Fig. 7；

Fig. 9 is that the swing arm door of swing arm door mechanism wherein side in Fig. 7 leads the dimensional structure diagram for turning component with swing arm door；

Figure 10 is the front view of swing arm door closure state in swing arm door mechanism of the present utility model；

Figure 11 is the top view of swing arm door closure state in swing arm door mechanism of the present utility model；

Figure 12 is the top view of swing arm door open mode in swing arm door mechanism of the present utility model.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined, below will ginseng Examine accompanying drawing and describe the utility model in detail in conjunction with the embodiments.

Refer to Fig. 1 to Fig. 4, a kind of loop system for processing steel band to deposit steel band 100, including guide rail 10, is put In the looping car 20 on guide rail 10, ordering about the drive mechanism that looping car 20 is moved along guide rail 10 when steel band 100 fills set 30th, ordering about the jockey pulley (not shown) and be arranged on guide rail that looping car 20 moves along guide rail 10 when steel band 100 puts set 10 both sides are used to lift some groups of swing arms door mechanism 40 of steel band 100.Fig. 1, Fig. 2 show set process of filling, and looping car 20 is driving Motivation structure 30 act under, along guide rail 10 from diagram location A to B location move, by the composite steel band of round formation come and go away from From elongation, i.e. one end of relative tension roller is more and more remote, improves the amount of storage of steel band 100, so as in steel band change of lap, can continuously not The amount of storage of disconnected ground conveying steel belt 100, maintains production line continuously to run, and the support layering of each swing arm door mechanism 40 Steel band 100；Fig. 3, Fig. 4 show set process of putting, looping car 20 in the presence of jockey pulley, on guide rail 10 from diagram B Put and moved to position A, be i.e. one end of relative tension roller is more and more nearer, and the amount of storage of steel band 100 is continuously delivered to tension force One end output of roller, there is provided the coil of strip change of lap time conveys without stopping.

Guide rail 10 is two, is abreast set on the ground, is used to support and guide looping car 20.Please refer to Fig. 5, Fig. 6, looping car 20 includes car body 21, some rubber rolls 22 in car body 21 and deflecting roller 23, is placed in car body 21 1 Some steel band carrying rollers 24 at end and the slide rail 25 being fixed at the top of car body 21.Car body 21 includes underframe 211, is formed in underframe The support frame 212 at 211 two ends, the upper frame 213 for being connected to the top of two support frame 212 and the roller being arranged under underframe 211 214, roller 214 is accordingly placed on guide rail 10.In the present embodiment, rubber roll 22 is three, is set in parallel in the underframe of car body 21 On 211, the spacing between every adjacent two rubber rolls 22 is equal.Specifically, the two ends of the roll shaft of each rubber roll 22 pass through an axle respectively Bearing 221 is arranged on underframe 211, and the roll surface of rubber roll 22 is contacted with the surface of steel band 100 transmitted, the roll surface of rubber roll 22 by with Friction is produced between steel band 100, and then drives the bearing block 221 of the opposite end of rubber roll 22 to rotate.

Deflecting roller 23 be two (referring to top view shown in Fig. 6), be arranged on one end of underframe 211 of car body 21, to Drive mechanism 30 coordinates, and drives looping car 20 to be slided on guide rail 10 by drive mechanism 30.

Some steel band carrying rollers 24 are lived apart in car body 21 towards on the support frame 212 of jockey pulley one end, away from the institute of deflecting roller 23 One end, steel band carrying roller 24 coordinate rubber roll 22, realize the rotating in the one end of car body 21 of steel band 100.It is appreciated that in jockey pulley One end be correspondingly provided with the roll body (not shown) of correspondence rubber roll 22 quantity, with looping car 20 on the corresponding matching of rubber roll 22 Rotate, so as to be formed between jockey pulley one end and looping car 20 steel band that there is multilayer to come and go.Specifically, steel band processing On line, by handling rolls discharge steel band along pipeline send out (through prick machine pressure it is thinning after), then by looping car 20 and tension force Roller end come and go after, jockey pulley one end export, into following process section, such as enter annealed wire or pickling line.Steel band 100 exists Steel band carrying roller 24 is equipped with during each rubber roll 22 of one end coiling of looping car 20 to guide, i.e., passing through a steel band before rubber roll 22 is entered Carrying roller 24 is introduced, and is drawn by a steel band carrying roller 24 after rubber roll 22 is laid out, and specifically, steel band 100 draws from a steel band carrying roller 24 Enter after being rotated through the roll surface of rubber roll 22, then drawn through another steel band carrying roller 24, produced between the roll surface and steel band 100 of rubber roll 22 and rubbed Wipe, and then drive the bearing block 221 of the opposite end of rubber roll 22 to rotate.

Slide rail 25 is fixed on the upper frame 213 of car body 21, to coordinate with swing arm door mechanism 40.Slide rail 25 is two, and In "eight" shape separation (Fig. 6 is referred on the upper frame 213 of car body 21).Chute 251 is offered on every slide rail 25, with by car Body 21 is moved on guide rail 10, the chute 251 for making one group of pulley 4226 in swing arm door mechanism 40 accordingly enter on slide rail 25 Interior (please referring to Fig. 2 or Fig. 4) drives the swing arm door mechanism 40 to open or close, for living when swing arm door mechanism 40 opens Harness an animal to a cart 20 processes, when swing arm door mechanism 40 closes after lift steel band.

Fig. 2 or Fig. 4 is please referred to, drive mechanism 30 is arranged on the side of guide rail 10, be used to drive looping car 20 in guide rail Moved on 10.In Fig. 2, drive mechanism 30 when looping car 20 is pulled into B location from location A, one end of steel band relative tension roller More and more remote, the amount of storage increase of steel band is realized gradually becoming round length long from short round-trip length to fill set, the i.e. steel band of steel band Degree, so stores steel band.Drive mechanism 30 include motor 31, hoist engine 32, reduction box 33, bracket 34, directive wheel 35 and Fixed seat 36.The main shaft of motor 31 is connected by reduction box 33 with the rotating shaft of hoist engine 32, is rotated by motor 31, drives elevator Machine 32 is rotated, and makes the retractable steel wire rope 322 of hoist engine 32.Further, hoist engine 32 includes rotating shaft, is regularly set in rotating shaft On reel, helix groove is offered on reel, helix groove is built-in with steel wire rope 322, and steel wire rope 322 is by the looping car that rotates 20 two deflecting rollers 23 adjust the direction that rotates, and realize that return rotates.Refering to Fig. 6, in this implementation specifically, steel wire rope 322 Rotated two deflecting rollers 23 in horizontal U-shaped, with two periphery side contacts of deflecting roller 23.When hoist engine 32 is rotated, steel wire rope Receive or put on 322 helix groove on the reel of hoist engine 32, deflecting roller 23 can be driven to rotate.In shown in Fig. 2, steel wire rope 322 hold end positioned at putting for hoist engine 32, and the state of holding is put in maximum, and hoist engine 32 pulls and supports looping car 20 from A with winding Put to the trend of B location.

Further, reel periphery is provided with along the axially extending retainer (not shown) of reel, between retainer and reel Diameter of the gap less than steel wire rope 322, during can so preventing the retractable of steel wire rope 322 on reel in helix groove The wrong rail on helix groove.

The supporting steel-cable 322 of some brackets 34；The directive wheel 35 needs corner installed in steel wire rope 322, realizes The corner of steel wire rope, directive wheel 35 is two in the present embodiment, and separation is in the both sides of the one end of guide rail 10.The one end of steel wire rope 322 It is connected on hoist engine, by after two races of deflecting roller 23 in race and the looping car 20 of directive wheel 35, steel wire rope 322 Terminal part is connected in fixed seat 36, and the end of steel wire rope 322 is fixed；Fixed seat 36 is placed in being located at the extension line of guide rail end Direction, realizes steel wire rope 322 along guide rail direction folding and unfolding.Support roller 361 can be further provided with fixed seat 36, for steel wire rope 322 By improving the tension force of steel wire rope 322.When filling set, motor 31 is rotated, and drives hoist engine 32 to rotate, and makes the reel 321 of hoist engine 32 On steel wire rope 322, overcome the pulling force of tension force roller end, and then drive looping car 20 move on guide rail 10, realization is to steel band 100 Fill set, store steel band amount.

Jockey pulley is used to when motor 31 stops providing and fills the active force of set, and the pulling force that tension force roller end is maintained can be by looping car 20 retract, and order about looping car 20 and are moved along guide rail 10, realize that steel band 100 puts set.Shown in Fig. 4, jockey pulley is by looping car 20 from B When position is pulled to location A, the amount of storage of steel band is reduced, and realizes gradually becoming put set, the i.e. steel band of steel band from round-trip length long Short round-trip length, so releases the amount of storage of steel band.During this, hoist engine 32 is rotated under the pulling force effect of jockey pulley, Coordinate release steel wire rope 322.In Fig. 4, steel wire rope 322 is located at the winding end of hoist engine 32, in maximum winding state, has Meet looping car 20 and the required burst size of steel wire rope 322 is moved from B location to location A.

Some swing arm door mechanisms 40 are equidistantly arranged on the outside of guide rail 10, are used to lift the steel band for filling and covering or put during set 100, otherwise steel band can hang under gravity if being lifted if nothing in filling set elongation, it is impossible to which set is filled in realization.Swing arm door mechanism 40 open when looping car 20 passes through, in looping car 20 through closing later.Refer to Fig. 8, Fig. 9, each group of swing arm door mechanism 40 Including the swing arm door 421 being oppositely arranged and be used to drive the swing arm door that corresponding swing arm door 421 is rotated lead turn component 42 and The mounting bracket 43 for turning the installation of component 42 is led for corresponding swing arm door.It is oppositely arranged swing arm door 421 relative to open or close, relatively The swing arm door 421 of setting may be provided on a base plate 41 (door of swing arm shown in Fig. 8 is closed mode).Each swing arm door 421 includes Rotary shaft 4211 and some swing arms 4212 being vertically set in rotary shaft 4211, rotary shaft 4211 are rotationally built up in guide rail 10 side, in the present embodiment, the bottom of guide rail 10 is provided with base plate 41, and rotary shaft 4211 is rotationally built up on base plate 41. The parallel spaced set of some swing arms 4212, the top surface of each swing arm 4212 has rotatable roller 4213, and roller 4213 is along pendulum Arm bearing of trend is installed, and can be rotated under the drive of steel band with when support carries steel band 100, reduces the friction with steel band.It is relative to set When the swing arm door 421 put is closed, the swing arm 4212 on two swing arms door 421 aligns to form some support beams two-by-two, if support is carried Dried layer steel band 100.

Mounting bracket 43 is relatively built up in the both sides of guide rail 10 two-by-two, and each mounting bracket 43 is used to install the swing arm of place side Door is led and turns component 42, and mounting bracket 43 can be fixedly arranged on base plate 41.Fig. 7 is referred to, each mounting bracket 43 includes extending along guide rail 10 Two support bars 431 that direction is set and between two support bars 431 and the first connecting plate 432 set up and down and the Two connecting plates 433.The progress of mounting bracket 43 one include regularly setting up be connected to the first connecting plate 432 and the second connecting plate 433 it Between the first connecting shaft 4343 and the second connecting shaft 4345, turn component 42 and install for coordinating swing arm door to lead.

Each swing arm door is led and turns component 42 and be arranged between the first connecting plate 432 of mounting bracket 43 and the second connecting plate 433, And coordinate with the first connecting shaft 4343 and the second connecting shaft 4345 and install.Swing arm door is led and turns the one end of component 42 and be fixed in swing arm In the rotary shaft 4211 of door 421, the other end coordinates with the chute 251 on the slide rail 25 of looping car 20, to order about 421 turns of swing arm door It is dynamic, make swing arm 4212 while opening or being closed at.Please refer to Fig. 9, swing arm door lead turn component 42 including affixed arm 4221, First be connected with affixed arm 4221 part 4222 and first that rotates rotates the connecting rod 4223 and connecting rod that part 4222 is hinged 4223 are hinged second rotates part (figure do not mark).

One end of affixed arm 4221 is fixed in the rotary shaft 4211 of swing arm door 421, and slip is offered on affixed arm 4221 Groove 4227, first rotates part 4222 including being fixedly connected with each other two cranks at one end, and two cranks are formed with angle and are opened in fixing position Axle sleeve hole is provided with, so that the first connecting shaft 4343 is inserted in so that first part 4222 that rotates can be rotated around the first connecting shaft 4343, its In a crank be formed with slide protrusion 4228 away from one end of axle sleeve hole, slide protrusion 4228 is placed in sliding groove 4227, with Rotated by first part 4222 that rotates, slide protrusion 4228 drives affixed arm 4221 to rotate.The first another song for rotating part 4222 Handle bar that is articulated and connected 4223, the other end of connecting rod 4223 is hinged with second part that rotates.Second rotates part including first body of rod 4224 and second body of rod 4225, one end of first body of rod 4224 is affixed with one end of second body of rod 4225, and is set in fixing position Overlap aperture is equipped with, so that the second connecting shaft 4345 is inserted in so that second part that rotates can be rotated around the second connecting shaft 4345.First bar Body 4224 is hinged away from one end of overlap aperture with connecting rod 4223, and second body of rod 4225 is provided with pulley away from one end of overlap aperture 4226, pulley 4226 is used in the chute 251 that accordingly slips on slide rail 25.

When filling set or putting set, as looping car 20 is moved on guide rail 10, each group of two pulleys of swing arm door mechanism 40 In 4226 chutes 251 for accordingly entering on splayed slide rail 25, and slide in the chute 251, drive second to rotate part around the Two connecting shafts 4345 are rotated, second rotate part drive connecting rod 4223 swing, and then order about first rotate part 4222 around first connect Spindle 4343 is rotated, and the first slide protrusion 4228 rotated on part 4222 drives affixed arm 4221 to rotate, and is driven and affixed arm 4221 rotary shafts 4211 being fixedly connected are rotated, so as to drive whole swing arm door 421 to rotate.So it is capable of achieving two swing arm doors 421 open or are closed at simultaneously.

The loop system running of the utility model processing steel band is as follows：

Refer to Fig. 1, Fig. 2 and combine Figure 10 to Figure 12, when filling set, the swing arm 4212 in some swing arm door mechanisms 40 is initial In opened condition, moved at B at the A that looping car 20 is placed in figure, the motor 31 in drive mechanism 30 is rotated forward, by subtracting Fast case 33 drives hoist engine 32 to rotate, and hoist engine 32 is received steel wire rope 322, and looping car 20 moves (figure to B on guide rail 10 from A Direction shown in middle horizontal arrow), when looping car 20 moves to one group of swing arm door mechanism 40, one group of cunning in swing arm door mechanism 40 Wheel 4226 accordingly enters in the chute 251 of the narrow end of the splayed slide rail 25 of looping car 20, and as looping car 20 is in guide rail Continue to be moved at B on 10, from narrow end to wide end gradually transition in chute 251 of the pulley 4226 on splayed slide rail 25, the Two parts that rotate will be rotated around the second connecting shaft 4345, drive connecting rod 4223 to swing, and then be ordered about first and rotated part 4222 around the One connecting shaft 4343 is rotated, and makes the first slide protrusion 4228 rotated on part 4222 drive affixed arm 4221 to rotate, in this way, driving Rotary shaft 4211 is rotated, so as to drive whole swing arm door 421 to rotate, two swing arm doors 421 relatively rotate closure.Swing arm door 421 After closure, the swing arm 4212 of closure is used to hold up the steel band 100 of the layering of looping car 20.Looping car 20 passes through some swing arms door mechanism After 40, at the B that looping car 20 is placed in figure, close to set extreme position is filled, set is filled in completion, so as in steel band change of lap, steel band 100 Amount of storage it is exportable.

Refer to shown in Fig. 3, Fig. 4, during steel band change of lap, the output end of steel band is continued to output, loop system is in put and covered Journey, the swing arm 4212 in swing arm door mechanism 40 is in initially closure state, and looping car 20 is located at the B in figure, and jockey pulley orders about work Harness an animal to a cart 20 along guide rail 10 from B to moving (direction shown in horizontal arrow in figure), in the presence of jockey pulley tension force, elevator at A Machine 32 discharges steel wire rope 322, when looping car 20 moves to swing arm door mechanism 40, one group of pulley in swing arm door mechanism 40 In the chute 251 of the wide end of the 4226 splayed slide rails 25 for accordingly entering looping car 20, and as looping car 20 is in guide rail 10 On continue to be moved to A, from wide end to narrow end gradually transition in chute 251 of the pulley 4226 on splayed slide rail 25, drive the Two parts that rotate are rotated around the second connecting shaft 4345, and then drive connecting rod 4223 to swing, so order about first rotate part 4222 around First connecting shaft 4343 is rotated, and drives affixed arm 4221 to rotate, and drives rotary shaft 4211 to rotate, and drives whole swing arm door 421 Rotate, in this way, can realize that two swing arms 421 are relative opening, after swing arm door 421 is opened, looping car 20 passes through swing arm door machine Structure 40.Similarly, after looping car 20 passes through some swing arms door mechanism 40, at the A that looping car 20 is placed in figure, limit position is covered close to putting Put, set is put in completion.

In sum, the utility model is used to process the loop system of steel band by designing swing arm door mechanism and and swing arm The looping car that door mechanism coordinates, is occupied little space with looping car in reducing the cost of loop system, and the loop system, is led to Looping car is crossed flexible automaticly through swing arm door mechanism, quickly completes and the set that fills of steel band is automated with set, loop system is put Degree is high.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases The technical field of pass, is similarly included in scope of patent protection of the present utility model.

Claims (6)

1. a kind of swing arm door mechanism (40) for loop system, is built up in the both sides of loop system guide rail (10), for lifting Steel band, it is characterised in that：Swing arm door mechanism (40) including be oppositely arranged swing arm door (421), drive swing arm door (421) rotate Swing arm door is led and turns component (42) and lead the mounting bracket (43) for turning component (42) installation, the swing arm door for corresponding swing arm door (421) including rotary shaft (4211) and some swing arms (4212) being vertically set in rotary shaft (4211), rotary shaft (4211) Rotationally it is built up in the side of guide rail (10), the swing arm door is led and turns component (42) and include affixed arm (4221) and affixed arm (4221) part (4222) and first that rotates of the first of connection rotates the connecting rod (4223) and connecting rod that part (4222) is hinged (4223) it is hinged second to rotate part, one end of affixed arm (4221) is fixed in the rotary shaft (4211) of swing arm door (421), is installed Frame (43) is relatively built up in guide rail (10) both sides two-by-two, and each mounting bracket (43) along guide rail (10) bearing of trend including setting Two support bars (431), between two support bars (431) and the first connecting plate set up and down (432) is connected with second Plate (433) and regularly set up the first connecting shaft being connected between the first connecting plate (432) and the second connecting plate (433) (4343) and the second connecting shaft (4345), described first to rotate and offer axle sleeve hole on part (4222), for the first connecting shaft (4343) it is inserted in so that first part (4222) that rotates is rotated rotatably about the first connecting shaft (4343), and second rotates set on part There is overlap aperture, so that the second connecting shaft (4345) is inserted in so that second rotates part rotatably about the second connecting shaft (4345) turn Dynamic, the second relative one end being hinged of part that rotates is provided with pulley (4226).

2. swing arm door mechanism (40) for loop system according to claim 1, it is characterised in that：Some swing arms (4212) parallel spaced set.

3. swing arm door mechanism (40) for loop system according to claim 2, it is characterised in that：Each swing arm (4212) top surface has rotatable roller (4213), and roller (4213) is installed along swing arm (4212) bearing of trend.

4. swing arm door mechanism (40) for loop system according to claim 1, it is characterised in that：The affixed arm (4221) sliding groove (4227) is offered on, first rotates part (4222) including being fixedly connected with each other two cranks, two crank shapes at one end Into having angle and in fixing position offering the axle sleeve hole, wherein a crank is formed with slide protrusion away from one end of axle sleeve hole (4228), slide protrusion (4228) is placed in sliding groove (4227), is rotated with by first part (4222) that rotates, slide protrusion (4228) slided in sliding groove (4227) and drive affixed arm (4221) to rotate.

5. swing arm door mechanism (40) for loop system according to claim 1, it is characterised in that：Described second rotates Part includes first body of rod (4224) and second body of rod (4225), one end of first body of rod (4224) and the one of second body of rod (4225) End is affixed, and fixing position is provided with the overlap aperture, the one end and connecting rod of first body of rod (4224) away from overlap aperture (4223) it is hinged, second body of rod (4225) is provided with the pulley (4226) away from one end of overlap aperture.

6. a kind of loop system, including guide rail (10) and the looping car (20) being arranged on guide rail (10), it is characterised in that：Leading The both sides of rail (10) are provided with swing arm door mechanism (40) for loop system described in any one of claim 1 to 5.