CN102303802A - Broken rope protective device of upright lift gate - Google Patents
Broken rope protective device of upright lift gate Download PDFInfo
- Publication number
- CN102303802A CN102303802A CN201110222332A CN201110222332A CN102303802A CN 102303802 A CN102303802 A CN 102303802A CN 201110222332 A CN201110222332 A CN 201110222332A CN 201110222332 A CN201110222332 A CN 201110222332A CN 102303802 A CN102303802 A CN 102303802A
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- bearing axle
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- 230000001681 protective effect Effects 0.000 title abstract 6
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 38
- 238000004146 energy storage Methods 0.000 claims description 13
- 230000001012 protector Effects 0.000 claims description 10
- 230000004323 axial length Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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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
Technical field
The present invention relates to a kind of rope broken protector, especially a kind of rope broken protector of vertical lift door.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 up of spring 100, connecting rod mechanism 300, a pair of slide rail clamping eccentric block 400; Wherein connecting rod mechanism 300 is affixed with eccentric block 400; Can be together around the rotational of eccentric block 400, the upper lifting force of steel rope 200 should be added on the connecting rod mechanism 300 through the switching mechanism of a straight line and rotation.In steel cable when tension,, spring receives pull of steel wire and is in the energy storage state of compression, and simultaneously, connecting rod mechanism and eccentric block make the eccentric block work 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 bigger braking force; The volume of spring and connecting rod mechanism must increase, and the volume that makes fender guard is big, 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 the mechanical action principle of pointing out in this article is applied to 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 vertical lift door, through the design of concrete structure, the purpose that reaches action sensitivity height, good reliability, advantages of small volume and be convenient to install.
For realizing above-mentioned purpose, technical scheme of the present invention is following:
It has a load-bearing axle, and an end and the vertical lift door of this load-bearing axle link, and its other end is provided with an installation base plate, and said installation base plate is installed on the described load-bearing axle through a load-bearing axial length bar shaped sliding eye on it;
One side at said installation base plate is equipped with a disconnected rope trigger mechanism, and this disconnected rope trigger mechanism has an interlock hanger and the support with the installation base plate arrangement in parallel, and described interlock hanger is contained on the load-bearing axle through its strip shape hanger borehole jack; Described support and load-bearing axle connect firmly together; Below interlock hanger and support, be provided with a pair of lever that is the chevron pointing layout, have first pole, have second, third pole in the bottom of said support in the bottom of said interlock hanger; Two the termination hinges in the top of described a pair of lever join on described first pole; The center is cut with scissors couplet respectively on second, third pole, and its afterbody is pressed in respectively on a pair of fulcrum, and this is fixed on the installation base plate fulcrum; Both sides at said 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 through the front strut on the installation base plate, and the both sides of said support have a pair of flank bar, and this flank bar is sleeved on the lower end of said 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 tooth bar that is vertically fixed on the load-bearing axle; Bilateral symmetry at this two-sided tooth bar is provided with a pair of driving gear, and said two-sided tooth bar and this mesh driving gear, above said a pair of driving gear, are provided with a pair of double linked wheel; This double linked wheel is made up of the driven gear and the clamp cam that stack together, described driven gear and driving gear engagement.
The further improved technical scheme of the present invention is following:
Said support is nested together with the interlock hanger mutually.
Characteristics of the present invention are following:
One, the present invention has adopted a load-bearing axle as the getting in touch of protected object and this device, and in braking, this device is used the gravity of protected object and 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 heavy more; Its braking force is big more, 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 can overturn 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 reliable in action property is high.
Four, the present invention stacks layout through 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, advantages of small volume, and is easy for installation.
Description of drawings
Fig. 1 is integral structure of the present invention (when trigger mechanism a 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 a running condition scheme drawing of the present invention.
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, and an end and the vertical lift door of this load-bearing axle link; Its other end is provided with an installation base plate 2; Said installation base plate 2 is installed on the load-bearing axle 1 through a load-bearing axial length bar shaped sliding eye 2-1 on it, and said installation base plate can be with respect to the 1 upper and lower slip of load-bearing axle, and its sliding scale exceeds 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 take place in slip.One side at said 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 through 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 said interlock hanger 3 has one first pole 3-2; The bottom of said support 4 has second, third pole 4-1, and two the termination hinges in the top of described a pair of lever 5 join on the described first pole 3-2, and the center is cut with scissors couplet respectively on second, third 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, is provided with a pair of spring energy storage device 6 in the both sides of said interlock hanger 3 and support 4, and the upper end of this spring energy storage device 6 is fixed on the installation base plate 2 through the front strut 2-2 on the installation base plate; The both sides of said support 4 have a pair of flank bar 4-2, and this offside wing bar 4-2 is sleeved on the lower end of said spring energy storage device 6.For the structure that makes this trigger mechanism is compact more, said support 4 is nested together with interlock hanger 3 mutually, and promptly support 4 can be processed a sliding sleeve, and the hanger 3 that links can slide in sliding sleeve 4, and is 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 tooth bar 8 that is vertically fixed on the load-bearing axle 1; In the bilateral symmetry of this two-sided tooth bar 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 through its wheel shaft, said a pair of main gear 9 and said two-sided tooth bar 8 engagements; Said double linked wheel is made up 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 the vertical lift door, need paired symmetry to be installed in the both sides of a body 12, said load-bearing axle 1 connects firmly through 13 realizations of an axle sleeve and vertical lift door 12; Steel rope 14 1 ends join with the interlock hanger, and the other end links through 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.
Referring to Fig. 1～7, steel rope 14 is just often carried interlock hanger 3 on the steel wire again; 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 keeps motionless with support 4, carries the upper end of a pair of lever 5 on the first pole 3-2 of interlock hanger 3 lower ends, and 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, then two of support 4 flank bar 4-2 go up pressing spring accumulator 6 and are compressed and energy storage state promptly shown in Figure 1; Simultaneously; Also connect firmly owing to two-sided tooth bar 8 again with load-bearing axle 1; So when installation base plate 2 moves down with respect to load-bearing axle 1, be equivalent to two-sided tooth bar with respect to moving on the installation base plate 2, then two-sided tooth bar 8 drives driven gear 10-1 through driving gear 9 and rotates; And clamp cam 10-2 is unclamped, state promptly as shown in Figure 4.When steel rope broke off, interlock hanger 3 lost upper lifting force and discharges load-bearing axle 1, and load-bearing axle 1 together falls downwards with protected object.At this moment; Because 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 (just 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 on respect to load-bearing axle 1 under spring energy storage device 6 promotes; Again owing to load-bearing axle 1 and two-sided tooth bar connect firmly; So installation base plate 2 is when moving on the load-bearing axle 1; Just being equivalent to two-sided tooth bar 8 moves down with respect to installation base plate 2; Thereby two-sided tooth bar 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 preparatory grip track 11 of clamp cam 10-2.After the preparatory 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 two-sided tooth bar 8 connects firmly with load-bearing axle 1; Load-bearing axle 1 and protected object are in continuing the process that descends; Two-sided tooth bar 8 further promotes driving gear 9 and rotates, and drives driven gear 10-1 rotation, makes the further grip track of clamp cam 10-2; Gravity process load-bearing axle 1, two-sided tooth bar 8, driving gear 9, moving driven gear 10-1 up to protected object are delivered to clamp cam 10-2 and upward and after making its grip track 11 just stop, promptly like Fig. 3, the state shown in 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 several times of gripping powers, stop protected object to continue to fall downwards thereby obtain enough friction force to protected object weight.
The present invention shows through experiment, in lifting process, two symmetrical clamp cam can with T shape track maintenance certain designed gap, do not come in contact and rub; After steel rope relaxed or ruptures, this device reaction was rapid, reliable in action.
Claims (2)
1. the rope broken protector of a vertical lift door is characterized in that:
It has a load-bearing axle (1), and an end and the vertical lift door of this load-bearing axle link, and its other end is provided with an installation base plate (2), and said installation base plate (2) is installed on the described load-bearing axle (1) through the load-bearing axial length bar shaped sliding eye (2-1) on it;
One side at said installation base plate (2) is equipped with a disconnected rope trigger mechanism; The trigger mechanism of should disconnectedly restricting has link a 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) through 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), have first pole (3-2) in the bottom of said interlock hanger, have second, third pole (4-1) in the bottom of said support (4); Two the termination hinges in the top of described a pair of lever (5) join on described first pole (3-2); The center is cut with scissors couplet respectively on second, third pole (4-1), and its afterbody is pressed in respectively on a pair of fulcrum (7), and this is fixed on the installation base plate (2) fulcrum (7); Both sides at said 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) through the front strut on the installation base plate (2-2), and the both sides of said support (4) have a pair of flank bar (4-2), and this flank bar (4-2) is sleeved on the lower end of said 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 tooth bar (8) that is vertically fixed on the load-bearing axle (1); Bilateral symmetry at this two-sided tooth bar is provided with a pair of driving gear (9); Said two-sided tooth bar and this mesh driving gear; Be provided with a pair of double linked wheel (10) in the top of said a pair of driving gear (9), this double linked wheel is made up 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 vertical lift door according to claim 1 is characterized in that: said support (4) is nested together with interlock hanger (3) mutually.
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 |
Publications (2)
| Publication Number | Publication Date |
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| CN102303802A true CN102303802A (en) | 2012-01-04 |
| CN102303802B CN102303802B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110222332 Expired - Fee Related CN102303802B (en) | 2011-08-04 | 2011-08-04 | Broken rope protective device of upright lift gate |
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| CN (1) | CN102303802B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482544A (en) * | 2013-09-18 | 2014-01-01 | 长治市金篮科技有限公司 | Basket rope breakage protection device |
| CN103523633A (en) * | 2013-10-22 | 2014-01-22 | 杭州沪宁电梯配件有限公司 | Elevator clamping rail device |
| CN103708312A (en) * | 2012-10-06 | 2014-04-09 | 李卫东 | Elevator passenger/freight car aerial rope-breakage magnetic attraction automatic/manual brake protector |
| CN104150312A (en) * | 2014-07-23 | 2014-11-19 | 河北东方富达机械有限公司 | Safety protection device for accidental movement of elevator car |
| CN104370177A (en) * | 2014-11-21 | 2015-02-25 | 王少腾 | Anti-falling safety device with pinion and rack overload protection |
| CN104676518A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Lifting device of lamp |
| 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 |
| CN104103559B (en) * | 2014-07-23 | 2017-01-04 | 济南晶博电子有限公司 | Clipping silicon chip coating whirler |
| 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 |
| CN107466287A (en) * | 2015-04-10 | 2017-12-12 | 奥的斯电梯公司 | Elevator safety gear guides sub-assembly and method |
| CN108821054A (en) * | 2018-08-27 | 2018-11-16 | 博众精工科技股份有限公司 | Anti-falling device for carriage and carriage jacking system |
| CN114269672A (en) * | 2019-08-29 | 2022-04-01 | 戴纳泰克动力与科技有限公司 | Electromechanical activation of a one-way emergency stop device for an elevator |
| CN115735501A (en) * | 2022-11-21 | 2023-03-07 | 黑龙江八一农垦大学 | Large-range fertilizing equipment |
| CN115818389A (en) * | 2022-11-02 | 2023-03-21 | 华能新能源股份有限公司河北分公司 | Anti-falling device for lift-car type lifting equipment of wind turbine generator |
| CN119059389A (en) * | 2024-11-06 | 2024-12-03 | 苏州优备精密智能装备股份有限公司 | An automatic braking system for industrial lifts |
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| 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 |
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Cited By (22)
| 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 |
| CN103523633A (en) * | 2013-10-22 | 2014-01-22 | 杭州沪宁电梯配件有限公司 | Elevator clamping rail 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 |
| CN104676518A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Lifting device of lamp |
| CN104103559B (en) * | 2014-07-23 | 2017-01-04 | 济南晶博电子有限公司 | Clipping silicon chip coating whirler |
| CN104150312A (en) * | 2014-07-23 | 2014-11-19 | 河北东方富达机械有限公司 | Safety protection device for accidental movement of elevator car |
| 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 |
| CN104370177A (en) * | 2014-11-21 | 2015-02-25 | 王少腾 | Anti-falling safety device with pinion and rack overload protection |
| CN107466287A (en) * | 2015-04-10 | 2017-12-12 | 奥的斯电梯公司 | Elevator safety gear guides sub-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 |
| CN108821054A (en) * | 2018-08-27 | 2018-11-16 | 博众精工科技股份有限公司 | Anti-falling device for carriage and carriage jacking system |
| CN108821054B (en) * | 2018-08-27 | 2024-03-19 | 博众精工科技股份有限公司 | Car anti-falling device and car lifting system |
| CN114269672A (en) * | 2019-08-29 | 2022-04-01 | 戴纳泰克动力与科技有限公司 | Electromechanical activation of a one-way emergency stop device for an elevator |
| CN114269672B (en) * | 2019-08-29 | 2023-09-05 | 戴纳泰克动力与科技有限公司 | Electromechanical unidirectional emergency stop device for elevator |
| CN115818389A (en) * | 2022-11-02 | 2023-03-21 | 华能新能源股份有限公司河北分公司 | Anti-falling device for lift-car type lifting equipment of wind turbine generator |
| CN115818389B (en) * | 2022-11-02 | 2024-05-28 | 华能新能源股份有限公司河北分公司 | Anti-falling device for lift car type lifting equipment of wind turbine generator |
| CN115735501A (en) * | 2022-11-21 | 2023-03-07 | 黑龙江八一农垦大学 | Large-range fertilizing equipment |
| CN119059389A (en) * | 2024-11-06 | 2024-12-03 | 苏州优备精密智能装备股份有限公司 | An automatic braking system for industrial lifts |
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|---|---|
| CN102303802B (en) | 2013-01-09 |
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