CN102303802B - Broken rope protective device of upright lift gate - Google Patents

Broken rope protective device of upright lift gate Download PDF

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Publication number
CN102303802B
CN102303802B CN 201110222332 CN201110222332A CN102303802B CN 102303802 B CN102303802 B CN 102303802B CN 201110222332 CN201110222332 CN 201110222332 CN 201110222332 A CN201110222332 A CN 201110222332A CN 102303802 B CN102303802 B CN 102303802B
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CN
China
Prior art keywords
pair
base plate
load
installation base
support
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 - Fee Related
Application number
CN 201110222332
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Chinese (zh)
Other versions
CN102303802A (en
Inventor
孙生环
郭继明
陈学军
陈旭华
白晓舟
王晓勇
滕建华
吴玲鸽
史旭洲
吴斌
王超
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.)
Inst. No.202 Ministry of Ordanace Industry
Xianyang Zhongbing Electromechanical Equipment Manufacturing Co., Ltd.
Original Assignee
CNGC INSTITUTE NO 202 OF CHINA ARMS INDUSTRY GROUP Corp
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 CNGC INSTITUTE NO 202 OF CHINA ARMS INDUSTRY GROUP Corp filed Critical CNGC INSTITUTE NO 202 OF CHINA ARMS INDUSTRY GROUP Corp
Priority to CN 201110222332 priority Critical patent/CN102303802B/en
Publication of CN102303802A publication Critical patent/CN102303802A/en
Application granted granted Critical
Publication of CN102303802B publication Critical patent/CN102303802B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a broken rope protective device of an upright lift gate. The broken rope protective device comprises a bearing shaft, one end of the bearing shaft is connected with the upright lift gate, and the other end is equipped with a mounting substrate, two surfaces of the mounting substrate are respectively equipped with a broken rope triggering mechanism and a track clamping executive mechanism. The invention adopts a bearing shaft as a protected object to connect with the device, the gravity of the lift gate is used for braking, and the spring force is mainly used for triggering the broken rope; and therefore, the braking force is in proportion to the gravity of the lift gate directly, that is, the heavier the lift gate is, the greater the braking force is. The broken rope protective device is reliable in braking, and compact in structure. By adopting a pair of lever mechanisms in the broken rope triggering mechanism in the invention, the broken rope protective device is flexible in action and reliable. A rack mechanism and a gear mechanism are applied to the track clamping executive mechanism to convert the linear motion into the rotary motion; and the clamping force is amplified by using a method for reducing a clamping cam force arm, so that the broken rope protective device has a compact structure, and high action reliability.

Description

The rope broken protector of upright lift gate
Technical field
The present invention relates to a kind of rope broken protector, especially a kind of rope broken protector of upright lift gate.It is mainly used in the fall arrest protection of heavier door body.
Background technology
In prior art, the kind of rope broken protector is a lot, and internet Baidu library " structural analysis of a SS type Building Hoist of Safety Device For Rope Breaking " literary composition has been introduced " a kind of eccentric wheel type rope broken protector ".As shown in Figure 8, it mainly is made of spring 100, connecting rod mechanism 300, a pair of slide rail clamping eccentric block 400, wherein connecting rod mechanism 300 and eccentric block 400 are affixed, can be together around the axis rotation of eccentric block 400, the upper lifting force of steel rope 200 should be added on the connecting rod mechanism 300 by the switching mechanism of a straight line and rotation.In steel cable when tension,, spring is subjected to the pulling force of steel rope and is in the energy storage state of compression, and simultaneously, connecting rod mechanism and eccentric block make eccentric block do to unclamp action to the counter-rotation of arrow; During wire cable rupture, spring loses steel rope the constraint of its compression is released energy rapidly, and then connecting rod mechanism and eccentric block 400 rotate to the direction of arrow under the effect of spring force, makes eccentric block do to clamp the action of slide rail, thereby has prevented falling of elevator.Can find out from the principle of this action; its braking clamps braking by spring force, does not utilize the gravity of elevator, if obtain larger braking force; the volume of spring and connecting rod mechanism must increase, and the volume that makes fender guard is large, structure also is difficult for layout.Moreover this article has only provided the theory of machines of device, does not provide concrete structure, and in fact, the design of concrete structure is only and guarantees be active in one's movements failure-free key of rope broken protector.Therefore, if with the mechanical action application of principle of pointing out in this article in reality, it still is faced with problems such as " how to make be active in one's movements, reliable, rational in infrastructure layout ".
Summary of the invention
The rope broken protector that the purpose of this invention is to provide a kind of upright lift gate by the design of concrete structure, reaches the action sensitivity height, reliability is strong, volume is small and exquisite and the purpose being convenient to install.
For achieving the above object, technical scheme of the present invention is as follows:
It has a load-bearing axle, and an end and the upright lift gate of this load-bearing axle link, and its other end is provided with an installation base plate, and described installation base plate is installed on the described load-bearing axle by a load-bearing axial length bar shaped sliding eye on it;
One side at described installation base plate is equipped with a disconnected rope trigger mechanism, the trigger mechanism of should disconnectedly restricting has an interlock hanger and the support with the installation base plate arrangement in parallel, described interlock hanger is contained on the load-bearing axle by its strip shape hanger borehole jack, described support and load-bearing axle connect firmly together, below interlock hanger and support, be provided with and be a pair of lever that chevron pointing is arranged, in the bottom of described interlock hanger with the first pole, in the bottom of described support with second, the 3rd pole, two the termination hinges in the top of described a pair of lever are associated on described the first pole, wherein section cuts with scissors respectively and is associated in second, on the 3rd pole, its afterbody is pressed in respectively on a pair of fulcrum, this is fixed on the installation base plate fulcrum, both sides at described interlock hanger and support are provided with a pair of spring energy storage device, this upper end to spring energy storage device is fixed on the installation base plate by the front strut on the installation base plate, the both sides of described support are with a pair of flank bar, and this flank bar is sleeved on the lower end of described spring energy storage device;
Another side at described installation base plate is provided with a track clamping actuating unit, this track clamping actuating unit has a two-sided rack that is vertically fixed on the load-bearing axle, bilateral symmetry at this two-sided rack is provided with a pair of driving gear, described the two-sided rack and this mesh driving gear, above described a pair of driving gear, be provided with a pair of double linked wheel, this double linked wheel is made of the driven gear and the clamp cam that stack together, described driven gear and driving gear engagement.
Further improved technical scheme of the present invention is as follows:
Described support is nested together mutually with the interlock hanger.
Characteristics of the present invention are as follows:
One, the present invention has adopted a load-bearing axle contacting as protected object and this device; in braking, this device is used the gravity of protected object and is braked, and spring force is mainly used in disconnected rope triggering; not as the braking force source; like this, braking force is directly proportional with the gravity of protected object, that is to say; protected object is heavier; its braking force is larger, not only makes braking reliable, also can laborsaving and simplified structure.
Two, the present invention has adopted a pair of leverage in disconnected rope trigger mechanism, and when not triggering, it moves down installation base plate, spring energy-storage, and clamp cam is unclamped track; During triggering, lever energy overturns and release spring power rapidly, and installation base plate is moved up, the clamp cam grip track, and it is active in one's movements, reliably.
Three, the present invention adopts tooth bar, gear structure that straight-line motion is converted in track clamping actuating unit to rotatablely move, and adopts the method that reduces the clamp cam arm of force to carry out Clamping force and amplify, and makes compact conformation, and Reliability of Microprocessor is high.
Four, the present invention stacks layout by an installation base plate with trigger mechanism and actuating unit, and realizes the contact of two mechanisms and mounting structure with the load-bearing axle, is skillfully constructed, compact conformation, volume be small and exquisite, easy for installation.
Description of drawings
Fig. 1 is integral structure of the present invention (when trigger mechanism does not trigger) scheme drawing.
Fig. 2 is the A-A section-drawing of Fig. 1.
Fig. 3 is the B-B section-drawing of Fig. 6.
Fig. 4 is the back view of Fig. 1.
Fig. 5 is the triggering view of Fig. 1.
Fig. 6 is the clamped condition scheme drawing of Fig. 4.
Fig. 7 is that the present invention uses view.
Fig. 8 is the mechanical schematic diagram of existing rope broken protector.
The specific embodiment
Referring to Fig. 1,2,3, it has a load-bearing axle 1, one end and the upright lift gate of this load-bearing axle link, its other end is provided with an installation base plate 2, described installation base plate 2 is installed on the load-bearing axle 1 by a load-bearing axial length bar shaped sliding eye 2-1 on it, and described installation base plate can be with respect to the 1 upper and lower slip of load-bearing axle, and its sliding scale is limited with the length of strip shape sliding eye 2-1, described load-bearing axle 1 adopts flat axle or square shaft, to guarantee it circumferential rotation does not occur in slip.One side at described installation base plate 2 is equipped with a disconnected rope trigger mechanism, should have an interlock hanger 3 and a support 4 by disconnected rope trigger mechanism, described interlock hanger 3 is sleeved on the load-bearing axle 1 by its strip shape hanger hole 3-1, and described support 4 is fixed together with load-bearing axle 1; Below interlock hanger 3 and support 4, be provided with and be a pair of lever 5 that chevron pointing is arranged, the bottom of described interlock hanger 3 is with first a pole 3-2, the bottom of described support 4 is with second, the 3rd pole 4-1, two the termination hinges in the top of described a pair of lever 5 are associated on described the first pole 3-2, wherein section cuts with scissors respectively and is associated in second, on the 3rd pole 4-1, its afterbody is pressed in respectively on a pair of fulcrum 7, this is fixed on the installation base plate 2 fulcrum 7, be provided with a pair of spring energy storage device 6 in the both sides of described interlock hanger 3 and support 4, the upper end of this spring energy storage device 6 is fixed on the installation base plate 2 by the front strut 2-2 on the installation base plate, the both sides of described support 4 are with a pair of flank bar 4-2, and this offside wing bar 4-2 is sleeved on the lower end of described spring energy storage device 6.For the structure that makes this trigger mechanism is compacter, described support 4 is nested together mutually with interlock hanger 3, and namely support 4 can be made a sliding sleeve, and interlock hanger 3 can be in sliding sleeve 4 interior slips, as shown in Figure 3.
Referring to Fig. 2,3,4, another side at described installation base plate 2 is provided with a track clamping actuating unit, this track clamping actuating unit has a two-sided rack 8 that is vertically fixed on the load-bearing axle 1, in the bilateral symmetry of this two-sided rack a pair of driving gear 9 and a pair of double linked wheel 10 are installed, described driving gear and double linked wheel are installed on the installation base plate 2 by its wheel shaft, described a pair of main gear 9 and described the two-sided rack 8 engagements, described double linked wheel is made of the driven gear 10-1 and the clamp cam 10-2 that stack together, described driven gear 10-1 and driving gear 9 engagements.
Referring to Fig. 7, when this fender guard is used for upright lift gate, need paired symmetry to be installed in the both sides of a body 12, described load-bearing axle 1 connects firmly by 13 realizations of an axle sleeve and upright lift gate 12; Steel rope 14 1 ends join with the interlock hanger, and the other end links by a deflection sheave 15 and door body gig 16.Piece number 11 is slide rails among the figure, the 17th, and doorframe, the 18th, the beam of calling.
Again referring to Fig. 1~7, when steel rope 14 is normal, carry interlock hanger 3 on the steel wire, when the lower edge of the strip shape hanger hole 3-1 of interlock hanger does not contact with load-bearing axle 1, load-bearing axle 1 and support 4 keep motionless, carry the upper end of a pair of lever 5 on the first pole 3-2 of interlock hanger 3 lower ends, then the lower end of a pair of lever presses down fulcrum 7, installation base plate 2 is moved down along load-bearing axle 1, and make the upper limb of its strip shape sliding eye 2-1 contact (as shown in Figure 2) with load-bearing axle 1, compressed and energy storage, i.e. state shown in Figure 1 of the upper pressing spring accumulator of two of support 4 flank bar 4-2 6 then; Simultaneously, also connect firmly with load-bearing axle 1 owing to the two-sided rack 8 again, when so installation base plate 2 moves down with respect to load-bearing axle 1, be equivalent to the two-sided rack with respect to moving on the installation base plate 2, then the two-sided rack 8 drives driven gear 10-1 rotation by driving gear 9, and clamp cam 10-2 is unclamped, i.e. as shown in Figure 4 state.When steel rope disconnected, interlock hanger 3 lost upper lifting force and discharges load-bearing axle 1, and load-bearing axle 1 and protected object together fall downwards.At this moment, because the first pole (3-2) on the interlock hanger is removed the effect of drawing on a pair of lever 5 upper ends, allow a pair of lever 5 upsets, then a pair of lever 5 upsets, release is to the downforce (namely discharging pressing down installation base plate 2) of a pair of fulcrum 7, at this moment, installation base plate 2 moves state as shown in Figure 5 with respect to load-bearing axle 1 under spring energy storage device 6 promotes; Again owing to load-bearing axle 1 and the two-sided rack connect firmly, so installation base plate 2 is when moving on the load-bearing axle 1, namely being equivalent to the two-sided rack 8 moves down with respect to installation base plate 2, thereby the two-sided rack 8 drives a pair of driving gear 9 and drives a pair of driven gear 10-1 and clamp cam 10-2 rotation, makes the pre-grip track 11 of clamp cam 10-2.After the pre-grip track 11 of clamp cam 10-2, because clamp cam 10-2 and installation base plate 2 are affixed, installation base plate 2 no longer descends.But owing to the two-sided rack 8 and load-bearing axle 1 connect firmly; load-bearing axle 1 and protected object are in continuing the process that descends; the two-sided rack 8 further promotes driving gear 9 and rotates; and drive driven gear 10-1 rotates; make the further grip track of clamp cam 10-2; until being delivered to clamp cam 10-2 through load-bearing axle 1, the two-sided rack 8, driving gear 9, moving driven gear 10-1, the gravity of protected object upward and after making its grip track 11 just stops, i.e. state shown in Fig. 3,6.Equate principle according to torque in the transmission process; arm of force when clamp cam 10-2 is clamped is designed to the part of main gear 9 pitch radiuss; just can obtain the gripping power times over protected object weight, stop protected object to continue to fall downwards thereby obtain enough friction force.
The present invention shows through experiment, in lifting process, two symmetrical clamp cam can and the certain design gaps of T shape track maintenance, do not come in contact and rub; After steel wire rope looseness or fracture, this device reaction is rapid, reliable in action.

Claims (2)

1. the rope broken protector of a upright lift gate is characterized in that:
It has a load-bearing axle (1), one end and the upright lift gate of this load-bearing axle link, its other end is provided with an installation base plate (2), and described installation base plate (2) is installed on the described load-bearing axle (1) by the load-bearing axial length bar shaped sliding eye (2-1) on it;
One side at described installation base plate (2) is equipped with a disconnected rope trigger mechanism, the trigger mechanism of should disconnectedly restricting has link hanger (3) and a support (4) with the installation base plate arrangement in parallel, described interlock hanger (3) is sleeved on the load-bearing axle (1) by its strip shape hanger hole (3-1), described support (4) connects firmly together with load-bearing axle (1), be provided with a pair of lever (5) that is the chevron pointing layout in the below of interlock hanger (3) and support (4), in the bottom of described interlock hanger with the first pole (3-2), in the bottom of described support (4) with second, the 3rd pole (4-1), two the termination hinges in the top of described a pair of lever (5) are associated on described the first pole (3-2), wherein section cuts with scissors respectively and is associated in second, on the 3rd pole (4-1), its afterbody is pressed in respectively on a pair of fulcrum (7), this is fixed on the installation base plate (2) fulcrum (7), both sides at described interlock hanger (3) and support (4) are provided with a pair of spring energy storage device (6), this upper end to spring energy storage device (6) is fixed on the installation base plate (2) by the front strut on the installation base plate (2-2), the both sides of described support (4) are with a pair of flank bar (4-2), and this flank bar (4-2) is sleeved on the lower end of described spring energy storage device (6);
Another side at described installation base plate (2) is provided with a track clamping actuating unit, this track clamping actuating unit has a two-sided rack (8) that is vertically fixed on the load-bearing axle (1), bilateral symmetry at this two-sided rack is provided with a pair of driving gear (9), described the two-sided rack and this mesh driving gear, be provided with a pair of double linked wheel (10) in the top of described a pair of driving gear (9), this double linked wheel is made of the driven gear (10-1) and the clamp cam (10-2) that stack together, described driven gear (10-1) and driving gear (9) engagement.
2. the rope broken protector of upright lift gate according to claim 1 is characterized in that: described support (4) is nested together mutually with interlock hanger (3).
CN 201110222332 2011-08-04 2011-08-04 Broken rope protective device of upright lift gate Expired - Fee Related CN102303802B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110222332 CN102303802B (en) 2011-08-04 2011-08-04 Broken rope protective device of upright lift gate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110222332 CN102303802B (en) 2011-08-04 2011-08-04 Broken rope protective device of upright lift gate

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CN102303802A CN102303802A (en) 2012-01-04
CN102303802B true CN102303802B (en) 2013-01-09

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103708312A (en) * 2012-10-06 2014-04-09 李卫东 Elevator passenger/freight car aerial rope-breakage magnetic attraction automatic/manual brake protector
CN103482544A (en) * 2013-09-18 2014-01-01 长治市金篮科技有限公司 Basket rope breakage protection device
CN103523633B (en) * 2013-10-22 2015-09-09 杭州沪宁电梯配件有限公司 A kind of elevator rail clamping device
CN104676518B (en) * 2013-11-29 2019-07-23 海洋王(东莞)照明科技有限公司 The hanging apparatus of lamps and lanterns
CN104150312B (en) * 2014-07-23 2016-06-01 河北东方富达机械有限公司 Accidental movement of elevator cage safeguard protection device
CN104370177B (en) * 2014-11-21 2017-02-01 王少腾 Anti-falling safety device with pinion and rack overload protection
CN107466287B (en) * 2015-04-10 2020-11-03 奥的斯电梯公司 Elevator safety gear guide assembly and method
CN105417390A (en) * 2016-01-26 2016-03-23 南通准信自动化科技有限公司 Safety lock braking tool
CN106639723A (en) * 2016-11-25 2017-05-10 辽宁虹圆现代农业装备技术开发有限公司 Linking device for mechanically opening window of greenhouse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2070728U (en) * 1989-12-08 1991-02-06 山西省长治市故漳矿机配件厂 Anti-fall cam type safety device for mining elevator
CN2806411Y (en) * 2005-06-06 2006-08-16 韩基鹏 Anti-falling elevator protector
CN2844386Y (en) * 2005-12-09 2006-12-06 北京繁星特奇门业有限公司 Rope-cut safety device
CN201062180Y (en) * 2007-07-04 2008-05-21 南通建工集团股份有限公司 Hoister rope-breaking protection device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004033354A1 (en) * 2002-10-09 2004-04-22 Otis Elevator Company Elevator safety device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2070728U (en) * 1989-12-08 1991-02-06 山西省长治市故漳矿机配件厂 Anti-fall cam type safety device for mining elevator
CN2806411Y (en) * 2005-06-06 2006-08-16 韩基鹏 Anti-falling elevator protector
CN2844386Y (en) * 2005-12-09 2006-12-06 北京繁星特奇门业有限公司 Rope-cut safety device
CN201062180Y (en) * 2007-07-04 2008-05-21 南通建工集团股份有限公司 Hoister rope-breaking protection device

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Inventor after: Sun Shenghuan

Inventor after: Wu Bin

Inventor after: Wang Chao

Inventor after: Guo Jiming

Inventor after: Chen Xuejun

Inventor after: Chen Xuhua

Inventor after: Bai Xiaozhou

Inventor after: Wang Xiaoyong

Inventor after: Teng Jianhua

Inventor after: Wu Lingge

Inventor after: Shi Xuzhou

Inventor before: Sun Shenghuan

Inventor before: Wu Bin

Inventor before: Wang Chao

Inventor before: Guo Jiming

Inventor before: Chen Xuejun

Inventor before: Chen Xuhua

Inventor before: Bai Xiaozhou

Inventor before: Wang Xiaoyong

Inventor before: Teng Jianhua

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Effective date of registration: 20140818

Address after: 712099 Xianyang City, Shaanxi province Bi Yuan Road No. 5

Patentee after: Inst. No.202 Ministry of Ordanace Industry

Patentee after: Xianyang Zhongbing Electromechanical Equipment Manufacturing Co., Ltd.

Address before: 712099 Xianyang City, Shaanxi province Bi Yuan Road No. 5

Patentee before: Inst. No.202 Ministry of Ordanace Industry

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Granted publication date: 20130109

Termination date: 20160804