CN109763715A - A kind of locking device - Google Patents

A kind of locking device Download PDF

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Publication number
CN109763715A
CN109763715A CN201910164467.2A CN201910164467A CN109763715A CN 109763715 A CN109763715 A CN 109763715A CN 201910164467 A CN201910164467 A CN 201910164467A CN 109763715 A CN109763715 A CN 109763715A
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CN
China
Prior art keywords
fixing piece
electromagnetic lock
fixed
tension spring
lengthening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910164467.2A
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Chinese (zh)
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CN109763715B (en
Inventor
崔兴民
罗威
孔德兵
石峰
郭俊义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fangda Zhiyuan Technology Co ltd
Original Assignee
Fang Dazhi Chuang Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Fang Dazhi Chuang Technology Co Ltd filed Critical Fang Dazhi Chuang Technology Co Ltd
Priority to CN201910164467.2A priority Critical patent/CN109763715B/en
Priority to PCT/CN2019/079408 priority patent/WO2020177161A1/en
Publication of CN109763715A publication Critical patent/CN109763715A/en
Application granted granted Critical
Publication of CN109763715B publication Critical patent/CN109763715B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B5/00Elevated railway systems without suspended vehicles
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

A kind of locking device includes: a Telescopic Fixed beam that can move back and forth, and is fixed with stretches out locked pin plate and retraction locked pin plate thereon;One electromagnetic lock fixing piece, at its side for being set to Telescopic Fixed beam, it is fixed on one first fixing piece close to the one end for retracting locked pin plate by a shaft on electromagnetic lock fixing piece, the other end of electromagnetic lock fixing piece is fixed on one second fixing piece by a tension spring component, and the middle part of electromagnetic lock fixing piece is equipped with a lock tongue mounting hole;One electromagnetic lock, it is fixed on electromagnetic lock fixing piece, and electromagnetic lock includes a lock tongue, and lock tongue is inserted in lock tongue mounting hole, and lock tongue is connected with a lengthening axle core component by fastener, lengthens axle core component and stretches out lock tongue mounting hole to be clamped and stretch out locked pin plate or retraction locked pin plate.It can guarantee the locking of stretching and the retraction of Telescopic Fixed beam;And when being hit or being impacted, electromagnetic lock fixing piece and electromagnetic lock are rotated, and Telescopic Fixed beam retracts certain distance backward, achieve the purpose that retract in time.

Description

A kind of locking device
Technical field
The present invention relates to electromagnetic lock technical field more particularly to a kind of locking devices.
Background technique
On railway platform, to prevent train and platform slab from scratching, there are the skies of 50mm-200mm between train and platform Gap, but this gap also causes inconvenience to passenger getting on/off, or even sometimes part passenger can accidentally enter into In gap, Personal Risk is caused.Empty situation is stepped on to avoid the occurrence of passenger, many platforms are additionally arranged platform expansion plate, it is intended to solve The certainly dangerous problem in the gap between train and platform.However, the telescopic pedal on platform enters the station generation in train at present It cannot largely be retracted in time when shaking, can so scratch to the vehicle body of train, cause the damage of train, once train break, It most probably causes to stop transport, economic loss is larger;Sometimes also can there is a situation where telescopic pedals to retract after passenger tramples, To the personal safety of passenger, there are potential dangers.
In consideration of it, the fixed effect of stretching and retraction can be effectively ensured when it is necessary to which a kind of normal work is arranged, and The locking device of retraction can be realized when it is hit or is impacted immediately.
Summary of the invention
Technical problem to be solved by the present invention lies in stretching and retraction can be effectively ensured when providing a kind of normal work Fixed effect, and when being hit or impacted at it, can realize the locking device of retraction immediately.
In order to solve the above-mentioned technical problem, the invention discloses following technical solutions.A kind of locking device includes:
The one Telescopic Fixed beam that can move back and forth is fixed with a stretching locked pin plate and a retraction locked pin plate thereon;
One electromagnetic lock fixing piece is set at a side of the Telescopic Fixed beam, close on the electromagnetic lock fixing piece Described one end for retracting locked pin plate is fixed on one first fixing piece by a shaft, and first fixing piece is equipped with several the The other end of one mounting hole, the electromagnetic lock fixing piece is fixed on one second fixing piece by a tension spring component, and described second Fixing piece is equipped with several second mounting holes, and the middle part of the electromagnetic lock fixing piece is equipped with a lock tongue mounting hole;
One electromagnetic lock is fixed on the electromagnetic lock fixing piece, and the electromagnetic lock includes a lock tongue, the lock tongue It is inserted in the lock tongue mounting hole, and the lock tongue is connected with a lengthening axle core component, the lengthening central spindle by fastener Component stretches out the lock tongue mounting hole to be clamped the stretching locked pin plate or retract locked pin plate.
Its further technical solution are as follows: the tension spring component includes one first tension spring and a lifting bolt, and described first One end of tension spring is connect with the electromagnetic lock fixing piece, and the other end of first tension spring and the hanging ring of the lifting bolt connect It connects, the screw rod of the lifting bolt is fixed on second fixing piece.
Its further technical solution are as follows: second fixing piece includes that one first firm banking and one from described first are solid Determine hanging ring fixing piece made of pedestal upwardly extends, the two sides of first firm banking are respectively equipped with second installation Hole, second mounting hole are poroid in item;The lifting bolt is fixed on the hanging ring fixing piece.
Its further technical solution are as follows: one first screw hole is additionally provided on the hanging ring fixing piece;Second fixing piece It is additionally provided with a tension spring regulation device at top, the tension spring regulation device includes one second firm banking and a bolt, described Second firm banking is equipped with several third mounting holes, and second firm banking, which upwardly extends, is formed with a bolt mounting portion, The bolt mounting portion is equipped with one second screw hole, and the bolt is screwed together in the hanging ring fixing piece after passing through second screw hole The first screw hole in.
Its further technical solution are as follows: the lengthening axle core component include one first lengthen set, one second lengthen set and One lengthens central spindle, and described first one end for lengthening set is fixedly connected with the lock tongue, and described first other end for lengthening set is fixed It is set in described second to lengthen in set, described one end for lengthening central spindle is fixed on described second and lengthens in set, the lengthening central spindle The other end stretch out be clamped the stretchings locked pin plate or retraction locked pin plate.
Its further technical solution are as follows: the first lengthening set includes one first hollow cylinder, and described first is hollow A third screw hole is offered on the bottom surface of cylindrical body, the top sides of first hollow cylinder are round along having extended outward to form one Cricoid boss;
The second lengthening set includes one second hollow cylinder, is offered on the bottom surface of second hollow cylinder One through-hole, the internal diameter of the through-hole are matched with the outer diameter of first hollow cylinder, the inside of second hollow cylinder Respectively at least provided with two for installing the card hole of circlip at the bottom of wall and top position;
The lengthening central spindle include one first cylindrical body, one extend outwardly from the top surface of first cylindrical body made of Two cylindrical bodies and one extend outwardly from the top surface of second cylindrical body made of rotary table, the outer diameter of first cylindrical body and institute State the internal diameter matching of the second hollow cylinder.
Its further technical solution are as follows: at least provided with a strip hole on the Telescopic Fixed beam, the stretching locked pin plate and Retraction locked pin plate passes through fastener and is fixed on the strip hole.
Its further technical solution are as follows: the locking device further includes having a manual unlocking component, the manual unlocking group Part includes a third firm banking and a fork, and the third firm banking is equipped with several 4th mounting holes and a fork is pacified Hole is filled, and is upwardly extended on the third firm banking and is formed with a shift fork baffle;The fork includes a fork-join part and one Rotary mount, the fork-join part are fixed on the upper end of the rotary mount, and the side of the fork-join part is connected to institute It states and lengthens on axle core component, the other side of the fork-join part is resisted against on the inside of the shift fork baffle, the rotary mount The other end pass through the fork mounting hole be fixed on the third firm banking, the table of the upper end of the rotary mount Inward-facing recess is formed with a polygonal grooves.
Its further technical solution are as follows: the manual unlocking component further includes having one second tension spring, the fixed bottom of the third The lower position that second tension spring is corresponded on seat, which also upwardly extends, is formed with a tension spring fixed plate, and the one of second tension spring End is connect with the fork-join part, and the other end of second tension spring is fixed in the tension spring fixed plate.
Its further technical solution are as follows: the locking device further includes having a support block, which is provided with one the 4th fixed bottom Seat and a support stopper, the 4th firm banking are equipped with several 4th mounting holes;The support stopper is in Staging, the support gear Portion is for electromagnetic lock fixing piece described in support close to one end of the tension spring component.
The method have the benefit that: the locking device include a Telescopic Fixed beam, an electromagnetic lock fixing piece and One electromagnetic lock, the locking device work normally when, Telescopic Fixed beam move back and forth so that stretches out locked pin plate or retraction locked pin plate can It is clamped on the lengthening axle core component being fixedly connected with the lock tongue of electromagnetic lock, realizes that the fixation of different location is sealed, can have Effect guarantees the fixed effect for stretching out and retracting;And when the Telescopic Fixed beam of the locking device is hit or impacted, it stretches solid The power transmitting that determining beam will hit or impact lengthens axle core component, lengthens axle core component and strength is passed to electromagnetic lock fixing piece again, The damage of the lock tongue of electromagnetic lock is avoided, meanwhile, when the strength hit or impacted is greater than the drawing that electromagnetic lock fixing piece is connected When the power of spring component, the rotation far from Telescopic Fixed beam occurs for electromagnetic lock fixing piece, and electromagnetic lock is driven to rotate with, in this way, Stretch out locked pin plate be detached from lengthen axle core component clamping and so that Telescopic Fixed beam is moved backward retraction certain distance, thus avoid after It is continuous to be in close contact with shock or alluvium and cause further to destroy, effectively achieve the purpose of timely retraction.
Detailed description of the invention
Fig. 1 is the structural assembly diagram that Telescopic Fixed beam is in stretching state in one embodiment of the invention;
Fig. 2 is the structural assembly diagram that Telescopic Fixed beam is in retracted mode in one embodiment of the invention;
Fig. 3 is the structural blast enlarged drawing of electromagnetic lock fixing piece and electromagnetic lock in one embodiment of the invention;
Fig. 4 is the part-structure cutaway view Amplified image of electromagnetic lock fixing piece and electromagnetic lock in one embodiment of the invention;
Fig. 5 is the structural blast enlarged drawing of hanging ring fixing piece and tension spring regulation device in one embodiment of the invention;
Fig. 6 is the schematic enlarged-scale view of Telescopic Fixed beam in one embodiment of the invention;
Fig. 7 is the schematic enlarged-scale view of manual unlocking component in one embodiment of the invention;
Fig. 8 is the schematic enlarged-scale view that block is held in the palm in one embodiment of the invention.
Specific embodiment
It is further to technical solution of the present invention below with reference to schematic diagram in order to more fully understand technology contents of the invention It introduces and illustrates, but not limited to this.
Locking device in the present invention is applicable to many technical fields and uses, such as may be used at the telescopic pedal of platform On to realize the locking of stretching or the retraction of shimming plate in telescopic pedal, certainly, which can also apply needs at other Locking device is wanted to carry out in the device of extension and contraction control, use scope is unlimited.
As shown in Fig. 1 to Fig. 8 in the present invention, locking device include a Telescopic Fixed beam 1, an electromagnetic lock fixing piece 2 and One electromagnetic lock 5, for Telescopic Fixed beam 1 with electromagnetic lock fixing piece 2 in being arranged side by side, Telescopic Fixed beam 1 is movably arranged at a bottom plate 100 At top, electromagnetic lock fixing piece 2 is set at a side of Telescopic Fixed beam 1 and is fixed on the bottom plate 100, and electromagnetic lock 5 is fixed On electromagnetic lock fixing piece 2, wherein the Telescopic Fixed beam 1 of the locking device can move back and forth, and fixation is set on Telescopic Fixed beam 1 There is a stretching locked pin plate 11 and one to retract locked pin plate 12;Pass through one close to the one end for retracting locked pin plate 12 on electromagnetic lock fixing piece 2 Shaft 20 is fixed on one first fixing piece 21, and the first fixing piece 21 is equipped with several first mounting holes, and the first fixing piece 21 is logical It crosses the fasteners such as screw to be fixed on the bottom plate 100 after the first mounting hole, the other end of electromagnetic lock fixing piece 2 is drawn by one Spring component 3 is fixed on one second fixing piece 4, and the second fixing piece 4 is equipped with several second mounting holes 42, and the second fixing piece 4 is logical It crosses the fasteners such as screw to be fixed on the bottom plate 100 after the second mounting hole 42, the middle part of electromagnetic lock fixing piece 2 is equipped with a lock Tongue mounting hole 22;Electromagnetic lock 5 includes a lock tongue 50, and lock tongue 50 is inserted in lock tongue mounting hole 22, and lock tongue 50 passes through fastening Part is connected with a lengthening axle core component 6, lengthens axle core component 6 and stretches out lock tongue mounting hole 22 to be clamped and stretch out locked pin plate 11 or retraction Locked pin plate 12.
When work, Telescopic Fixed beam 1 moves back and forth, to drive stretching locked pin plate 11 thereon and retraction 12 phase of locked pin plate Electromagnetic lock 5 is subjected to displacement, while lengthening axle core component 6 with the stretching or retraction of the lock tongue 50 of electromagnetic lock 5 and pacifying from lock tongue It fills and stretches out or retract in hole 22, as shown in Figure 1, being fixedly connected when stretching out locked pin plate 11 and being connected in the lock tongue 50 of electromagnetic lock 5 It lengthens on axle core component 6, the case where Telescopic Fixed beam 1 stretches out and fixing-stable, and Telescopic Fixed beam 1 is not in inside retraction; As shown in Fig. 2, being connected on the lengthening axle core component 6 being fixedly connected with the lock tongue 50 of electromagnetic lock 5 when retracting locked pin plate 12, stretch Fixed beam 1 retracts and fixing-stable, and Telescopic Fixed beam 1 is not in protruding situation.Wherein, as shown in Figure 1, when stretching out When locked pin plate 11 is connected in axle core component 6 is lengthened, Telescopic Fixed beam 1 is forward extended out, if Telescopic Fixed beam 1 is hit at this time Or impact etc., Telescopic Fixed beam 1 have the trend moved inward, stretching out locked pin plate 11 will strike on lengthening axle core component 6, add After 6 stress of long axis core assembly power can be transferred on electromagnetic lock fixing piece 2, in this way, the lock tongue 50 of electromagnetic lock 5 will not directly by Hit or impact influence and suffer damage, lengthen axle core component 6 be conducive to protect electromagnetic lock 5 lock tongue 50;Wherein, if hitting When the strength hit or impacted is greater than the pulling force for the tension spring component 3 connecting with electromagnetic lock fixing piece 2, axle core component 6 is lengthened by the power After being transferred to electromagnetic lock fixing piece 2, electromagnetic lock fixing piece 2 can overcome the pulling force of tension spring component 3 and occur with respect to shaft 20 separate The rotation of Telescopic Fixed beam 1, electromagnetic lock 5 rotate with, at this point, stretching out locked pin plate 11 is detached from the clamping for lengthening axle core component 6, make It obtains Telescopic Fixed beam 1 and retracts certain distance backward, after the strength hit or impacted dies down or disappears, due to electromagnetic lock fixing piece 2 Fixed by tension spring component 3, electromagnetic lock fixing piece 2 will receive the pulling force of tension spring and be rotated to Telescopic Fixed 1 direction of beam until turning Be back to place in situ, at this point, stretch out locked pin plate 11 again by lengthen axle core component 6 blocking, but stretch out locked pin plate 11 be located at plus At the rear of long axis core assembly 6 so that Telescopic Fixed beam 1 inwardly retracts certain distance, avoid Telescopic Fixed beam 1 continue with It hits or alluvium is in close contact.
In the present embodiment, as shown in Figure 1 and Figure 5, tension spring component 3 includes one first tension spring 30 and a lifting bolt 31, one end of the first tension spring 30 is connect with electromagnetic lock fixing piece 2, and the other end of the first tension spring 30 and the hanging ring of lifting bolt 31 connect It connects, the screw rod of lifting bolt 31 is fixed on the second fixing piece 4.Wherein, the first tension spring 30 is used to tense electromagnetic lock fixing piece 2, When relative to shaft 20 rotation far from Telescopic Fixed beam 1 occurs for electromagnetic lock fixing piece 2, electromagnetic lock fixing piece 2 is gone back to To original position, the first tension spring 30 cooperates with shaft 20 so that certain rotation can occur if necessary for electromagnetic lock fixing piece 2, avoids stretching When contracting fixed beam 1 is by strong impaction or impact, the electromagnetic lock 5 being fixed on electromagnetic lock fixing piece 2 is wrecked or is avoided Extraneous rammer or alluvium is damaged.In the embodiment shown in Figure 3, electromagnetic lock fixing piece 2 is close to tension spring component 3 One end be equipped with a circular hole 23, the first tension spring 30 suspension hook hook is located in circular hole 23, so realize electromagnetic lock fixing piece 2 and first The connection of tension spring 30.
In the present embodiment, as shown in figure 5, the second fixing piece 4 includes that one first firm banking 40 and one from first is solid Determine hanging ring fixing piece 41 made of pedestal 40 upwardly extends, the two sides of the first firm banking 40 are respectively equipped with one second mounting hole 42, the second mounting hole 42 is poroid in item;Lifting bolt 31 is fixed on hanging ring fixing piece 41.Due to the two of the first firm banking 40 Side is respectively equipped with a second poroid mounting hole 42, when so installing and using, can arbitrarily adjust the position of the second fixing piece 4 It sets, to adjust the pulling force of the first tension spring 30.
But in actual use, since the pulling force of the first tension spring 30 is relatively large, pass through the second fixing piece of manpower movement It is relatively laborious when pulling force of 4 position to adjust the first tension spring 30, it has not been convenient to adjust.For the drawing for easily adjusting the first tension spring 30 Power, in the present embodiment, as shown in figure 5, being additionally provided with one first screw hole 410 on hanging ring fixing piece 41;The top of second fixing piece 4 Place is additionally provided with a tension spring regulation device 9, and tension spring regulation device 9 includes one second firm banking 90 and a bolt 91, and second is solid Pedestal 90 is determined equipped with several third mounting holes, and the second firm banking 90, which upwardly extends, is formed with a bolt mounting portion 92, bolt Mounting portion 92 is equipped with one second screw hole, and bolt 91 is screwed together in the first screw hole 410 of hanging ring fixing piece 41 after the second screw hole In.When installing and using, first tension spring regulation device 9 and the second fixing piece 4 are connected, when the position for needing to adjust the second fixing piece 4 When setting, the fasteners such as the screw on the second fixing piece 4 in second mounting hole 42 are first loosened, then pass through rotation tension spring regulation device Bolt 91 on 9, so that the second fixing piece 4 is moved upwardly or downwardly relative to tension spring regulation device 9, after adjusting, then will The fasteners such as the screw on the second fixing piece 4 in second mounting hole 42 are fixed, and so realize that the pulling force of the first tension spring 30 is adjusted. Wherein, the position of the second fixing piece 4 is adjusted by rotation bolt 91, it is more convenient laborsaving.
In the present embodiment, as shown in Figure 3 and Figure 4, lengthening axle core component 6 includes one first lengthening set 60, one second Set 61 and a lengthening central spindle 62 are lengthened, first one end for lengthening set 60 is fixedly connected by screw 63 with lock tongue 50, and first lengthens The other end of set 60 is fixed to be set in the second lengthening set 61, and the one end for lengthening central spindle 62 is fixed in the second lengthening set 61, is added The other end of long-shaft-core 62 is stretched out to be clamped and stretch out locked pin plate 11 or retraction locked pin plate 12.After assembling, lengthening axle core component 6 can As the lock tongue 50 of electromagnetic lock 5 moves back and forth in lock tongue mounting hole 22, locked pin plate 11 or retraction locked pin plate are stretched out to realize 12 clamping or unlock.
In the present embodiment, as shown in Figure 3 and Figure 4, lock tongue mounting hole 22 is in hollow cylinder shape, and first, which lengthens set 60, includes There is one first hollow cylinder 600, a third screw hole, the first hollow cylinder are offered on the bottom surface of the first hollow cylinder 600 The top sides of body 600 are along the boss 601 for extending outward to form an annular shape;Second lengthening set 61 includes one second open circles Cylinder 610, offers a through-hole on the bottom surface of the second hollow cylinder 610, the internal diameter of through-hole and the first hollow cylinder 600 Outer diameter matches, and is used for installation card at least provided with two respectively at the bottom of the inner sidewall of the second hollow cylinder 610 and top position The card hole 611 of spring (not shown);Lengthening central spindle 62 includes one first cylindrical body 620, one from first cylindrical body 620 Second cylindrical body 621 made of top surface extends outwardly and one extend outwardly from the top surface of second cylindrical body 621 made of circle Platform 622, the outer diameter of the first cylindrical body 620 are matched with the internal diameter of the second hollow cylinder 610.When installation, first first is lengthened and is covered 60 are set in the second lengthening set 61, lengthen set 60 for first by screw 63 and screw togather on the lock tongue 50 for being fixed on electromagnetic lock 5, so Load onto circlip in the card hole 611 of the bottom position for the inner sidewall for lengthening set 61 second afterwards, circlip be clamped in card hole 611 and There is part to stretch out card hole 611 to abut and be fixed on the first lengthening set 60, then central spindle 62 will be lengthened and be set in the second lengthening set 61 In, circlip is loaded onto the card hole 611 at the top position for the inner sidewall for finally lengthening set 61 second, circlip is clamped on card hole In 611 and there is part to stretch out card hole 611 to abut to be fixed on and lengthen in central spindle 62, in this way, first lengthens set 60 and lengthen central spindle 62 are fixed in the second lengthening set 61, realize connection.Certainly, in some other embodiment, the fasteners such as screw can be used It lengthens the 60, second lengthening of set set 61 by first and lengthens central spindle 62 and be attached fixation.
In the present embodiment, as shown in fig. 6, stretch out locked pin plate 11 include one the 5th firm banking 110 and one from this First lock pin 111 made of five firm bankings 110 extend outwardly;Retract locked pin plate 12 include one the 6th firm banking 120 and One from the 6th firm banking 120 extend outwardly made of the second lock pin 121, when installing and using, the first lock pin 111 and the second lock 121 relative telescopic fixed beam 1 of pin protrusion lengthens axle core component 6 and is connected on the first lock pin 111 or the second lock pin 121 to realize It is fixed.In the present embodiment, for convenience of the position stretched out locked pin plate 11 and retract locked pin plate 12 is adjusted, as shown in fig. 6, flexible solid Determine to stretch out the 5th firm banking 110 of locked pin plate 11 at least provided with a strip hole 13 on beam 1 and the 6th of retraction locked pin plate 12 consolidates Determine pedestal 120 to be fixed on strip hole 13 by fasteners such as screws, in this way, stretching locked pin plate 11 and retraction locked pin plate 12 can Relative position is adjusted on strip hole 13, to meet the needs of different spacing.In addition, extending away from lock pin on Telescopic Fixed beam 1 Plate 11 and the one end for retracting locked pin plate 12 are equipped with one and are connected and fixed plate for connect other component or device (such as shimming plate) 14。
In the application, which may require artificially solving the locking device in some cases Lock, for this purpose, being additionally provided with a manual unlocking component 7 as shown in Figure 1 and Figure 7, on locking device, manual unlocking component 7 includes one Third firm banking 70 and a fork 71, third firm banking 70 are equipped with several 4th mounting holes 700 and a fork mounting hole 701, and third firm banking 70 upwardly extends and is formed with a shift fork baffle 702;Fork 71 includes a fork-join part 710 and a rotation Turn fixing piece 711, fork-join part 710 is fixed on the upper end of rotary mount 711, and the side of fork-join part 710 is connected to lengthening On axle core component 6, the other side of fork-join part 710 is resisted against on the inside of shift fork baffle 702, the other end of rotary mount 711 It is fixed on third firm banking 70 across fork mounting hole 701, the surface of the upper end of rotary mount 711 is recessed inwardly shape Cheng Youyi polygonal grooves.When manual unlocking, it is set in the polygonal grooves of rotary mount 711 simultaneously by a unlocking tool Rotary mount 711 is rotated, so that the fork-join part 710 being fixedly connected with rotary mount 711 is driven to rotate, fork-join part Make to lengthen the inwardly movement retraction of axle core component 6 when 710 rotation, in this way, stretching out locked pin plate 11 or retracting locked pin plate 12 can be detached from The clamping for lengthening axle core component 6, to realize unlock.
Normally, manual unlocking component 7 can not automatically reset after rotation, need manually to be rotated again, such phase It to trouble, is resetted for convenience of manual unlocking component 7, in the present embodiment, as shown in fig. 7, manual unlocking component 7 further includes There is one second tension spring 72, the lower position of corresponding second tension spring 72, which also upwardly extends, on third firm banking 70 is formed with a drawing One end of spring fixed plate 703, the second tension spring 72 is connect with fork-join part 710, and the other end of the second tension spring 72 is fixed on tension spring and fixes On plate 703.The pulling force effect of the second tension spring 72 will be overcome when can be manually rotated manual unlocking component 7 and fork 71 is revolved Turn, after the completion of unlock, unclamp unlocking tool, fork 71 rotates back to original position under the pulling force effect of the second tension spring 72, realizes manual Solve the reset of lock set 7.
In this application, it is fixed on one second fixing piece 4 due to electromagnetic lock fixing piece 2 by tension spring component 3, tension spring group The pulling force of part 3 is larger, makes electromagnetic lock fixing piece 2 close to the inclined trend of the oriented Telescopic Fixed beam 1 in one end of tension spring component 3, has It may cause normally to be clamped and stretch out locked pin plate 11 or retraction locked pin plate 12.Holding when in order to make electromagnetic lock fixing piece 2 work Normotopia, as illustrated in figures 1 and 8, locking device further include having a support block 8, support block 8 be equipped with one the 4th firm banking 80 and One support stopper 81, the 4th firm banking 80 are equipped with several 4th mounting holes 82;Holding in the palm stopper 81 is in Staging, and support stopper 81 is used for Support electromagnetic lock fixing piece 2 is close to one end of tension spring component 3.Wherein, low order platform of 2 support of electromagnetic lock fixing piece in support stopper 81 At position, the high stage of support stopper 81 can limit electromagnetic lock fixing piece 2 and tilt to Telescopic Fixed beam 1, reach support and limit Purpose so that the locking device work normally.
Locking device in the application can effectively realize the clamping stretched out locked pin plate 11 or retract locked pin plate 12, meet just It is often used, the fixed effect of stretching and retraction can be effectively ensured in when normal work;Hit simultaneously in Telescopic Fixed beam 1 or When impact, the damage of electromagnetic lock 5 can be effectively avoided, avoid loss and the generation of accident.
In actual use, which is commonly applied on the telescopic pedal of platform to realize the calking in telescopic pedal The locking of stretching or the retraction of plate, wherein the telescopic pedal of platform has also typically included shell other than including the locking device Body, shimming plate and power device etc., shell include bottom plate 100, side plate and cover board etc., and the locking device and power device are set to In shell, one end of shimming plate respectively in locking device Telescopic Fixed beam 1 and power device be fixedly connected, shimming plate it is another One end passes through the side plate of shell, and power device is for driving shimming plate from stretching out or being retracted in shell in shell, to drive Telescopic Fixed beam 1 in the locking device moves back and forth in the top of bottom plate 100, in this way, the stretching lock pin on Telescopic Fixed beam 1 Plate 11 or retraction locked pin plate 12 can be connected on the lengthening axle core component 6 being fixedly connected with the lock tongue 50 of electromagnetic lock 5, be realized flexible The fixation of stretching or the retraction of fixed beam 1.Wherein, the first fixing piece 21 in locking device, the second fixing piece 4, tension spring are adjusted On the bottom plate 100 for the shell that device 9 and manual unlocking component 7 are fixed on telescopic pedal by fasteners such as screws, peace is used It fills simple and convenient.
In the solution of the present invention, locking device includes a Telescopic Fixed beam 1, an electromagnetic lock fixing piece 2 and an electromagnetic lock 5, when which works normally, Telescopic Fixed beam 1 moves back and forth so that stretching out locked pin plate 11 or retracting locked pin plate 12 can block It connects on the lengthening axle core component 6 that the lock tongue 50 with electromagnetic lock 5 is fixedly connected, realizes the stretching or retraction of Telescopic Fixed beam 1 Fixation is sealed;And when the Telescopic Fixed beam 1 of the locking device is hit or impacted, Telescopic Fixed beam 1 will be hit or impact Power transmitting lengthen axle core component 6, lengthen axle core component 6 strength is passed into electromagnetic lock fixing piece 2 again, to avoid electricity The damage of the lock tongue 50 of magnetic padlock 5, meanwhile, when the strength hit or impacted is greater than the tension spring component 3 that electromagnetic lock fixing piece 2 is connected Power when, electromagnetic lock fixing piece 2 occurs centainly to rotate, and electromagnetic lock 5 is driven to rotate with, stretch out locked pin plate 11 be detached from extension shaft The clamping of core assembly 6 is hit or is impacted to avoid continuing to be in close contact so that Telescopic Fixed beam 1 can retract certain distance backward Object and cause further to destroy.When the locking device is installed on the telescopic pedal of platform in use, telescopic pedal can also be realized The locking of stretching and the retraction of middle shimming plate, fix stably when telescopic pedal stretches out, is not in the case where retraction after trampling;Together When in the shock by train, Telescopic Fixed beam 1 will hit or impact power transmitting lengthen axle core component 6, can effectively protect The lock tongue 50 for protecting electromagnetic lock 5, can be effectively protected electromagnetic lock 5 and realize the retraction of shimming plate, and in the strength hit or impacted When the power of the tension spring component 3 connected greater than electromagnetic lock fixing piece 2, electromagnetic lock fixing piece 2 and electromagnetic lock 5 occur centainly to rotate, So that Telescopic Fixed beam 1 can retract certain distance backward, train is avoided to be damaged by the scratch of shimming plate, reduces economic damage It loses.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder Same, approximate or technology deduction, replacement, improvement for making based on this etc., are regarded as the protection scope of this patent.

Claims (10)

1. a kind of locking device, which is characterized in that include:
The one Telescopic Fixed beam that can move back and forth is fixed with a stretching locked pin plate and a retraction locked pin plate thereon;
One electromagnetic lock fixing piece is set at a side of the Telescopic Fixed beam, close to described on the electromagnetic lock fixing piece The one end for retracting locked pin plate is fixed on one first fixing piece by a shaft, and first fixing piece is equipped with several first peaces Hole is filled, the other end of the electromagnetic lock fixing piece is fixed on one second fixing piece by a tension spring component, and described second is fixed Part is equipped with several second mounting holes, and the middle part of the electromagnetic lock fixing piece is equipped with a lock tongue mounting hole;
One electromagnetic lock is fixed on the electromagnetic lock fixing piece, and the electromagnetic lock includes a lock tongue, and the lock tongue plugs In the lock tongue mounting hole, and the lock tongue is connected with a lengthening axle core component, the lengthening axle core component by fastener The lock tongue mounting hole is stretched out to be clamped the stretching locked pin plate or retract locked pin plate.
2. locking device according to claim 1, which is characterized in that the tension spring component includes one first tension spring and one Lifting bolt, one end of first tension spring are connect with the electromagnetic lock fixing piece, the other end of first tension spring with it is described The hanging ring of lifting bolt connects, and the screw rod of the lifting bolt is fixed on second fixing piece.
3. locking device according to claim 2, which is characterized in that second fixing piece includes one first fixed bottom Seat and one from first firm banking upwardly extend made of hanging ring fixing piece, the two sides of first firm banking are set respectively There is second mounting hole, second mounting hole is poroid in item;The lifting bolt is fixed on the hanging ring fixing piece.
4. locking device according to claim 3, which is characterized in that be additionally provided with one first spiral shell on the hanging ring fixing piece Hole;A tension spring regulation device is additionally provided at the top of second fixing piece, the tension spring regulation device includes one second solid Determine pedestal and a bolt, second firm banking is equipped with several third mounting holes, and second firm banking upwardly extends It is formed with a bolt mounting portion, the bolt mounting portion is equipped with one second screw hole, after the bolt passes through second screw hole It is screwed together in the first screw hole of the hanging ring fixing piece.
5. locking device according to claim 1, which is characterized in that the lengthening axle core component includes one first lengthening Set, one second lengthening set and one lengthen central spindle, and described first one end for lengthening set is fixedly connected with the lock tongue, and described first adds The other end of long set is fixed to be set in the second lengthening set, and described one end for lengthening central spindle is fixed on described second and lengthens set Interior, the other end for lengthening central spindle is stretched out to be clamped the stretching locked pin plate or retract locked pin plate.
6. locking device according to claim 5, which is characterized in that the first lengthening set includes one first open circles Cylinder offers a third screw hole, the top sides edge of first hollow cylinder on the bottom surface of first hollow cylinder Extend outward to form a circular boss;
The second lengthening set includes one second hollow cylinder, and it is logical that one is offered on the bottom surface of second hollow cylinder Hole, the internal diameter of the through-hole are matched with the outer diameter of first hollow cylinder, the inner sidewall of second hollow cylinder Respectively at least provided with two for installing the card hole of circlip at bottom and top position;
The lengthening central spindle include one first cylindrical body, one extend outwardly from the top surface of first cylindrical body made of second circle Cylinder and one extend outwardly from the top surface of second cylindrical body made of rotary table, the outer diameter of first cylindrical body and described the The internal diameter of two hollow cylinders matches.
7. locking device according to claim 1, which is characterized in that at least provided with a strip on the Telescopic Fixed beam Hole, the stretching locked pin plate and retraction locked pin plate pass through fastener and are fixed on the strip hole.
8. locking device according to claim 1, which is characterized in that the locking device further includes having a manual unlocking group Part, the manual unlocking component include a third firm banking and a fork, and the third firm banking is equipped with several the Four mounting holes and a fork mounting hole, and upwardly extended on the third firm banking and be formed with a shift fork baffle;The fork It include a fork-join part and a rotary mount, the fork-join part is fixed on the upper end of the rotary mount, the fork The side of fitting is connected on the lengthening axle core component, and the other side of the fork-join part is resisted against the inside of the shift fork baffle On, the other end of the rotary mount passes through the fork mounting hole and is fixed on the third firm banking, the rotation The surface of the upper end of fixing piece, which is recessed inwardly, is formed with a polygonal grooves.
9. locking device according to claim 8, which is characterized in that the manual unlocking component further includes having one second drawing Spring, the lower position that second tension spring is corresponded on the third firm banking, which also upwardly extends, to be formed with a tension spring and fixes Plate, one end of second tension spring are connect with the fork-join part, and the other end of second tension spring is fixed on the tension spring and fixes On plate.
10. locking device according to claim 1, which is characterized in that the locking device further includes having a support block, It is equipped with one the 4th firm banking and a support stopper, the 4th firm banking is equipped with several 4th mounting holes;The support gear Portion is in Staging, and the support stopper is for electromagnetic lock fixing piece described in support close to one end of the tension spring component.
CN201910164467.2A 2019-03-05 2019-03-05 Locking device Active CN109763715B (en)

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CN201910164467.2A CN109763715B (en) 2019-03-05 2019-03-05 Locking device
PCT/CN2019/079408 WO2020177161A1 (en) 2019-03-05 2019-03-25 Locking device

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