CN203461655U - Mechanical anti-dropping device - Google Patents

Mechanical anti-dropping device Download PDF

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Publication number
CN203461655U
CN203461655U CN201320458481.1U CN201320458481U CN203461655U CN 203461655 U CN203461655 U CN 203461655U CN 201320458481 U CN201320458481 U CN 201320458481U CN 203461655 U CN203461655 U CN 203461655U
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CN
China
Prior art keywords
latch hook
screens
adapter plate
guide rail
lift
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.)
Expired - Lifetime
Application number
CN201320458481.1U
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Chinese (zh)
Inventor
周治平
黄志邦
黄敬球
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.)
Zhuhai Lianyi Engineering Management Service Co ltd
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Associated Engineers Zhuhai Sez Ltd
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Priority to CN201320458481.1U priority Critical patent/CN203461655U/en
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Publication of CN203461655U publication Critical patent/CN203461655U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a mechanical anti-dropping device which is simple in structure, convenient to operate and high in safety. The mechanical anti-dropping device comprises a guide rail, a lifting platform, a fixing platform, a locking hook, a plurality of locking strips and a handle, wherein the lifting platform is arranged on the guide rail slidably, the fixing plate is fixed in the lifting platform, the locking hook is arranged on the fixing plate and hinged to the fixing plate, the plurality of locking strips are fixedly arranged on the guide rail and correspond to the locking hook, and the handle is connected with the locking hook through a connection rod and used for controlling the locking hook to rotate around the fixing plate. A slide groove is arranged on the connection rod and at the connection position of the connection rod and the locking hook, the upper end of the locking hook is provided with a hooked portion matched with the locking strips, a stop plate for limiting the movement of the locking hook is hinged onto the fixing plate, a clamping position is arranged on the stop plate, and the lower end of the lock hook is provided with a clamping hook corresponding to the clamping position. The mechanical anti-dropping device can be applied to operation platforms for lifting elevators and vertical lifting platforms or operation platforms of climbing mechanisms.

Description

A kind of mechanical type anti-fall device
Technical field
The utility model relates to a kind of mechanical type anti-fall device.
Background technology
In prior art; in order to protect the safety of personnel on jacking equipment, existing lifting machinery is all provided with the falling proof devices such as anti-falling safety device, safety tongs as elevator, vertical conveyor, scaffold etc.; coordinate electrical equipment to use together simultaneously, provide power with carrying personnel, goods and materials.And existing falling proof device complex structure and poor stability, generally to trigger with lapse rate, when some falling proof device also needs the speed of enough large diff-H or decline to reach the setting value of device, device just can start, cannot embody the due omnibearing protection effect of safety gear, can cause safety device to lose efficacy; Or while being used in conjunction with electric system, when electric system has a power failure or the system failure goes wrong; Or as the anti-fall device in existing lifting table under water; the inefficacy that this anti-fall device easily gets rusty and causes because of immersion; and when in water, lapse rate changes; while not having to drop in air so obviously and fast; this can not guarantee that anti-fall device embodies protective effect in time equally, all has great potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, easy to operate, safe mechanical type anti-fall device with lapse rate starter gear is not provided.
The technical scheme that the utility model adopts is: the utility model comprises guide rail, be slidably mounted on the bay-lift on guide rail, be fixedly installed on the adapter plate in described bay-lift, be arranged on latch hook hinged with described adapter plate on described adapter plate, be fixedly installed on described guide rail and the some piece bolts corresponding with described latch hook, the handle that is connected and rotates around described adapter plate for handling described latch hook by pipe link, on described pipe link, be provided with chute with the junction of described latch hook, the upper end of described latch hook is provided with the crook with described bolt adaptation, on described adapter plate, be hinged with the check plate moving for limiting described latch hook, described check plate is provided with screens, described latch hook lower end is provided with the grab corresponding with described screens.
Further, a side of described screens is provided with and can limits the projection that described grab falls into described screens.
Further, described check plate is provided with and can contacts with horizontal surface so that the described screens bottom contact switch separated with described grab.
Further, described adapter plate is provided with and can pulls described check plate so that the described screens pull bar separated with described grab, and described pull bar stretches out described bay-lift.
The beneficial effects of the utility model are: because the utility model comprises guide rail, be slidably mounted on the bay-lift on guide rail, be fixedly installed on the adapter plate in described bay-lift, be arranged on latch hook hinged with described adapter plate on described adapter plate, be fixedly installed on described guide rail and the some piece bolts corresponding with described latch hook, the handle that is connected and rotates around described adapter plate for handling described latch hook by pipe link, on described pipe link, be provided with chute with the junction of described latch hook, the upper end of described latch hook is provided with the crook with described bolt adaptation, on described adapter plate, be hinged with the check plate moving for limiting described latch hook, described check plate is provided with screens, described latch hook lower end is provided with the grab corresponding with described screens, solved existing falling proof device about the problem of independence and power operation, when bay-lift rises, whole device is without any need for electrical equipment, instrument or personnel's operation, described in each, bolt forms a security node, with described latch hook combined action, described latch hook can promote thereupon step by step, can be fixed on the described bolt of any one height, and described chute can not drive described handle can guarantee to regulate time, even if promoting the power of bay-lift suddenly disappears, lock hook also can steadily catch on bolt and guarantee that bay-lift rises, the safety of climbing platform, when bay-lift need to decline, operator just takes in described lock hook in described bay-lift completely by described handle, described latch hook departs from described bolt, described grab will fall into described screens, described latch hook cannot automatically reset, bay-lift just can free fall under the drive of elevator, the utility model does not trigger with lapse rate, but the avidity buckle mode coordinating with tooth bar with snap fit realizes fall arrest, do not rely on conventional resistance friction formula operation, so the utility model is simple in structure, cost of manufacture is cheap, easy to operate, hommization more, safety performance is higher, especially under water workplatform, can reduce inefficacy and the accident of getting rusty and causing because of immersion.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model locking;
Fig. 2 is the structural representation of the utility model while unclamping.
The specific embodiment
As Fig. 1, shown in Fig. 2, the utility model comprises guide rail 1, be slidably mounted on the bay-lift on guide rail 1, be fixedly installed on the adapter plate 2 in described bay-lift, be arranged on latch hook 3 hinged with described adapter plate 2 on described adapter plate 2, be fixedly installed on described guide rail 1 and the some piece bolts 4 corresponding with described latch hook 3, the handle 5 that is connected and rotates around described adapter plate 2 for handling described latch hook 3 by pipe link 6, on described pipe link 6, be provided with chute 61 with the junction of described latch hook 3, the upper end of described latch hook 3 is provided with the crook 31 with described bolt 4 adaptations, described crook 31 is angular shape, shape angle in an acute angle between the body of one side and described latch hook 3, be used for catching on described bolt 4, opposite side is dip plane, while making described bay-lift increase, described bolt 4 can be automatically easily described latch hook 3 toward pusher, guarantee that described latch hook 3 can not blocked by bolt 4, the cross sectional shape of described bolt 4 does not limit to, can be circle or rack-shaped etc., so long as the gradual pattern step by step of ratchet shape all meets the demands, but preferably adopt circular, on described adapter plate 2, be hinged with the check plate 7 moving for limiting described latch hook 3, described check plate 7 is provided with screens 71, described latch hook 3 lower ends are provided with the grab 32 corresponding with described screens 71, described check plate 7 is provided with a projection 72 and blocks described grab 32, described grab 32 is not fallen in described screens 71, described protruding 72 one sides that contact with described grab 32 are dip plane, when one end of described latch hook 3 is inwardly pushed away by described bolt 4, described protruding 72 generation one opposite effect masterpieces are used on the described grab 32 that is positioned at described latch hook 3 other one end, make described latch hook 3 can stretch out described bay-lift and hook on described bolt 4, when described handle 5 is by operator's pull-up, described pipe link 6 moves backward, and described latch hook 3 is pulled back, take in described bay-lift, described in when the Amplitude Ratio that described latch hook 3 retreats is normally used, the amplitude of the described latch hook 3 of bolt 4 promotion is large, the moving range of described grab 32 has crossed described protruding 72, therefore described grab 32 just falls in described screens 71, described latch hook 3 cannot move, described bay-lift just can slowly decline under the draw of hydraulic efficiency pressure system.
Described check plate 7 is provided with can be with horizontal surface contact so that described screens 71 bottom contact switch 8 separated with described grab 32, when described bay-lift drops to horizontal surface, described bottom contact switch 8 will be by horizontal surface jack-up, described check plate 7 forms a lever construction, described check plate 7 rotates around the hinge-point of itself and described adapter plate 2, rise one end of described screens 71, and its other end just departs from described grab 32, and described latch hook 3 just can move.Described adapter plate 2 is provided with and can pulls described check plate 7 so that described screens 71 pull bar 9 separated with described grab 32, and described pull bar 9 stretches out described bay-lift, when described pull bar 9 can be used for needing emergency braking, described bay-lift is fixed on to a certain position.Its principle is similar to described bottom contact switch 8, but operator can pull at any time, when described bay-lift drops to certain height, operator just pulls described pull bar 9, described screens 71 and described grab 32 are departed from, described latch hook 3 just can move, and described crook 31 just can snap in described bolt 4, and described bay-lift is fixed on to a certain height.
The one end being connected with described check plate 7 on described pull bar 9 is provided with pull bar chute 91, the end of described check plate 7 can be in the interior slip of described pull bar chute 91, because described bay-lift is in the process rising, described bolt 4 can constantly promote latch hook 3 and move, described latch hook 3 can promote described check plate 7, increased after described pull bar chute 91, in the time of can making described check plate 7 move, described pull bar 9 can be by described check plate 7 jack-up.
The utility model can be used for the needs such as lifting gig, vertical lifting platform vertically or the service platform of climbing mechanism.

Claims (4)

1. a mechanical type anti-fall device, comprise guide rail (1), be slidably mounted on the bay-lift on guide rail (1), be fixedly installed on the adapter plate (2) in described bay-lift, it is characterized in that: described mechanical type anti-fall device also comprises that being arranged on described adapter plate (2) goes up the latch hook (3) hinged with described adapter plate (2), be fixedly installed on described guide rail (1) and the some piece bolts (4) corresponding with described latch hook (3), the handle (5) that is connected and rotates around described adapter plate (2) for handling described latch hook (3) by pipe link (6), described pipe link (6) is upper is provided with chute (61) with the junction of described latch hook (3), the upper end of described latch hook (3) is provided with the crook (31) adaptive with described bolt (4), on described adapter plate (2), be hinged with for limiting the mobile check plate (7) of described latch hook (3), described check plate (7) is provided with screens (71), described latch hook (3) lower end is provided with the grab (32) corresponding with described screens (71).
2. a kind of mechanical type anti-fall device according to claim 1, is characterized in that: a side of described screens (71) is provided with and can limits the projection (72) that described grab (32) falls into described screens (71).
3. a kind of mechanical type anti-fall device according to claim 1, is characterized in that: described check plate (7) is provided with can be with horizontal surface contact so that described screens (71) bottom contact switch (8) separated with described grab (32).
4. a kind of mechanical type anti-fall device according to claim 1, it is characterized in that: described adapter plate (2) is provided with and can pulls described check plate (7) so that described screens (71) pull bar (9) separated with described grab (32), and described pull bar (9) stretches out described bay-lift.
CN201320458481.1U 2013-07-30 2013-07-30 Mechanical anti-dropping device Expired - Lifetime CN203461655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320458481.1U CN203461655U (en) 2013-07-30 2013-07-30 Mechanical anti-dropping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320458481.1U CN203461655U (en) 2013-07-30 2013-07-30 Mechanical anti-dropping device

Publications (1)

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CN203461655U true CN203461655U (en) 2014-03-05

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261222A (en) * 2014-10-12 2015-01-07 黄可椅 Elevator lifting floor safety hook ring
CN106006292A (en) * 2016-06-26 2016-10-12 苏州中远电梯有限公司 Elevator fall-prevention mechanism with compound locking sliding block
CN109091777A (en) * 2018-10-25 2018-12-28 广东四维科技有限公司 A kind of falling proof device
CN109200500A (en) * 2018-10-25 2019-01-15 广东四维科技有限公司 A kind of high altitude anti-falling dropping control device
CN109626175A (en) * 2018-12-12 2019-04-16 宁津汇丰消声器有限公司 A kind of single-track lift car
CN110065870A (en) * 2019-04-28 2019-07-30 苏顺财 A kind of construction cage speed-limiting protection secondary protection device
CN110761608A (en) * 2019-09-17 2020-02-07 安吉仓储(上海)有限公司 Mechanical anti-falling device and lifting equipment
CN114436090A (en) * 2022-02-09 2022-05-06 辽宁石油化工大学 Anti-falling device for guide rail

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104261222A (en) * 2014-10-12 2015-01-07 黄可椅 Elevator lifting floor safety hook ring
CN106006292A (en) * 2016-06-26 2016-10-12 苏州中远电梯有限公司 Elevator fall-prevention mechanism with compound locking sliding block
CN106006292B (en) * 2016-06-26 2018-04-17 苏州中远电梯有限公司 A kind of anti-fall mechanism of the elevator with composite lock limited slip block
CN109091777A (en) * 2018-10-25 2018-12-28 广东四维科技有限公司 A kind of falling proof device
CN109200500A (en) * 2018-10-25 2019-01-15 广东四维科技有限公司 A kind of high altitude anti-falling dropping control device
CN109626175A (en) * 2018-12-12 2019-04-16 宁津汇丰消声器有限公司 A kind of single-track lift car
CN110065870A (en) * 2019-04-28 2019-07-30 苏顺财 A kind of construction cage speed-limiting protection secondary protection device
CN110761608A (en) * 2019-09-17 2020-02-07 安吉仓储(上海)有限公司 Mechanical anti-falling device and lifting equipment
CN114436090A (en) * 2022-02-09 2022-05-06 辽宁石油化工大学 Anti-falling device for guide rail
CN114436090B (en) * 2022-02-09 2023-07-18 辽宁石油化工大学 Anti-falling device for guide rail

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GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Liu Jinzhong

Inventor after: Zhou Zhihan

Inventor before: Zhou Zhiping

Inventor before: Huang Zhibang

Inventor before: Huang Jingqiu

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180528

Address after: 519070 Zhuhai, Xiangzhou, Guangdong Gongbei Zhuhai Macao cross border industrial zone Dapeng warehousing and logistics office building 5 floor

Patentee after: ZHUHAI LIANYI ENGINEERING MANAGEMENT SERVICE Co.,Ltd.

Address before: 519000 Qianshan shellfish Industrial Zone, Zhuhai, Guangdong Province

Patentee before: Associated Engineers Zhuhai S.E.Z. Ltd.

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Liu Jinzhong

Inventor after: Zhou Zhihan

Inventor before: Zhou Zhiping

Inventor before: Huang Zhibang

Inventor before: Huang Jingqiu

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180530

Address after: 519070 Zhuhai, Xiangzhou, Guangdong Gongbei Zhuhai Macao cross border industrial zone Dapeng warehousing and logistics office building 5 floor

Patentee after: ZHUHAI LIANYI ENGINEERING MANAGEMENT SERVICE Co.,Ltd.

Address before: 519000 Qianshan shellfish Industrial Zone, Zhuhai, Guangdong Province

Patentee before: Associated Engineers Zhuhai S.E.Z. Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140305