CN102092617B - Anti-falling device of vertical elevating equipment - Google Patents
Anti-falling device of vertical elevating equipment Download PDFInfo
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- CN102092617B CN102092617B CN 201110004353 CN201110004353A CN102092617B CN 102092617 B CN102092617 B CN 102092617B CN 201110004353 CN201110004353 CN 201110004353 CN 201110004353 A CN201110004353 A CN 201110004353A CN 102092617 B CN102092617 B CN 102092617B
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- wedge shape
- lift
- bay
- wedge
- vertical lifting
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Abstract
The invention discloses an anti-falling device of vertical elevating equipment, which comprises a brake control connecting lever and a brake locking mechanism which is arranged in a groove-shaped guide rail, wherein the brake locking mechanism comprises a wedge-shaped inner brake block which is fixedly connected with an elevating platform and two wedge-shaped outer brake blocks which are arranged on the two sides of the wedge-shaped inner brake block respectively; one side, which is close to the groove-shaped guide rail, on each wedge-shaped outer brake block is provided with a friction plate; the two wedge-shaped outer brake blocks are hinged with each other through a wedge-shaped outer brake block pin for a waist-shaped hole on the lower part of the two wedge-shaped outer brake blocks; a tension spring is connected on the wedge-shaped outer brake block pin; the upper end of the tension spring is connected on the wedge-shaped inner brake block; the brake locking mechanism is connected at one end of the brake control connecting lever; the other end of the brake control connecting lever is connected to an elevating pull rod; the elevating pull rod is inserted into the hole of the elevating platform; and pressure springs are arranged in the space between the elevating pull rod and the hole of the elevating platform. By the anti-falling device, the problem of insufficient safety of the elevating platform capable of vertically ascending and descending is solved; and the anti-falling device has a simple structure and low cost and can be flexibly braked.
Description
Technical field
the present invention relates to a kind of anti-fall device of the vertical lifting equipment with channled rail guiding.
Background technology
The rising and the decline of the bay-lift of
vertical lifting equipment; Generally all be to drive with modes such as steel rope, chain, rack-and-gear, gas, hydraulic actuating cylinders; Above type of drive all possibly disconnect because of reasons such as long-term use fatigue of material fracture make driver train and bay-lift; Lose the make progress application force of direction of bay-lift, bay-lift free falling under the effect of gravity usually takes place, cause bay-lift and contained object to damage; Safety misadventures such as personal casualty influence the normal operation of jacking equipment.The falling proof device of vertical lifting platform is the research difficult problem of the industry always.
are present, and vertical lifting equipment is a kind of good version with the channled rail guiding, and its guide effect is good, normalisation, the seriation of groove shape section bar, and the guide rail manufacturing is simple, easy, efficient is high, and cost is low.But, also there is not a kind of comparatively ideal anti-fall device with the bay-lift of flute profile guiding rail, directly have influence on the further developing of vertical lift platform of flute profile guiding rail.Therefore, the falling proof device of studying safe and reliable vertical lifting platform is very important.
Summary of the invention
the present invention seeks to: to the deficiency of prior art; A kind of anti-fall device of the vertical lifting equipment with channled rail guiding is provided; Solve the not enough problem of safety of the bay-lift of vertical lifting equipment, and design anti-fall device simple in structure, with low cost, that braking is sensitive.
technical scheme of the present invention is: a kind of anti-fall device of vertical lifting equipment comprises that control of braking connects lever and is arranged on the lock actuater in the flute profile guiding rail; Said lock actuater comprises a wedge shape inside brake piece of captiveing joint with bay-lift and two outer slipper of wedge shape that are arranged at wedge shape inside brake piece both sides respectively; The side near the flute profile guiding rail is provided with friction lining on the slipper outside said wedge shape, and two outer slipper of wedge shape are hinged with the outer slipper pin of wedge shape through the waist-shaped hole of its underpart; Outside said wedge shape, be connected with extension spring on the slipper pin, the upper end of extension spring is connected on the wedge shape inside brake piece; Said lock actuater is connected the end that control of braking connects lever, and the other end that control of braking connects lever is connected to lifter drawing bar; Said lifter drawing bar inserts in the hole of bay-lift, and is provided with stage clip in the space between the hole of said lifter drawing bar and bay-lift.
are further, and in the anti-fall device of described a kind of vertical lifting equipment, said control of braking connects lever and is supported on the lever shaft, and said lever shaft is fixed on the bay-lift.
are further; In the anti-fall device of described a kind of vertical lifting equipment; The outer slipper of the wedge shape of said lock actuater is connected the end that control of braking is connected lever through the outer slipper pin of wedge shape with pull bar; Pull bar is arranged on the lower end of the outer slipper pin of wedge shape, and pull bar connects through articulation piece is connected lever with control of braking a end.
are further, and in the anti-fall device of described a kind of vertical lifting equipment, said wedge shape inside brake piece is captiveed joint with bay-lift through permanent seat.
are further; In the anti-fall device of described a kind of vertical lifting equipment; The other end that said control of braking connects lever is connected to lifter drawing bar through steel rope, and said lifter drawing bar is spacing in the hole of bay-lift stage clip through nuts and washers.
are further, and in the anti-fall device of described a kind of vertical lifting equipment, the top of said extension spring links to each other with wedge shape inside brake piece through last extension spring pull bar.
are further, and in the anti-fall device of described a kind of vertical lifting equipment, the upper end of said stage clip acts on the bay-lift, and the lower end acts on the lifter drawing bar, and said lifter drawing bar upper end links to each other with elevating chain.
are further; In the anti-fall device of described a kind of vertical lifting equipment; The cross section of said wedge shape inside brake piece is trapezoidal that upper bottom surface is wide, bottom surface is narrow; The cross section of the outer slipper of said wedge shape is at right angles trapezoidal, and the square edge of right-angled trapezium is parallel with the flute profile guiding rail.
are further, and in the anti-fall device of described a kind of vertical lifting equipment, the both sides of said wedge shape inside brake piece are respectively arranged with T type protuberant bar, embed in the groove of the outer slipper side of wedge shape.
are further; The anti-fall device of described a kind of vertical lifting equipment; Be arranged in pairs in vertical lift platform both sides guide rail position up and down, also can respectively adorn an anti-fall device, make anti-fall better effects if in upper left side, lower left, upper right side, the lower right of vertical lift platform.
Advantage of the present invention is:
1. this anti-fall device is simple in structure, and is with low cost, be convenient to make, and is easy to realize normalisation, producing in serial form;
2. contacting between glancing impact slipper and the channled rail is the face contact, and its bearing capacity is big, and guide rail is not had obvious impression, arrests accurately, and reliable operation can not produce tangible impact shock;
3. during the lifting table normal operation, stage clip is in compressive state, in case promote the chain fracture; The power that lifter drawing bar makes progress disappears, and stage clip recovers distortion rapidly, and the steel rope that control of braking connects lever end one side rapidly disappears at the effect lower pulling force of stage clip; Through leverage, extension spring recovers distortion in the slipper, and the outer slipper of pulling wedge shape is along wedge shape inside brake piece axial motion; Simultaneously, the width of lock actuater broadens fast, with the inboard generation friction of channled rail; Under the effect of axial friction; Lock actuater increases to the component several times that width increases direction, and lock actuater and channled rail are tightened each other, and braking is sensitive.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of the anti-fall device of the embodiment of the invention;
Fig. 2 is the structural representation of lock actuater of the anti-fall device of the embodiment of the invention;
Fig. 3 is that the A-A of Fig. 2 is to birds-eye view.
wherein: 1 channled rail; 2 bay-lifts; 3 control of brakings connect lever; 4 wedge shape inside brake pieces; The outer slipper of 5 wedge shapes; 6 friction linings; 7 pull bars; The outer slipper pin of 8 wedge shapes; 9 extension springs; Extension spring pull bar on 10; 11 articulation pieces; 12 lever shafts; 13 lower lift rings; 14 steel ropes; 15 upper lift rings; 16 nuts; 17 stage clips; 18 lifter drawing bars; 19 lock actuaters; 20 packing rings; 21 permanent seats.
The specific embodiment
embodiment: patent of the present invention discloses a kind of anti-fall device of the vertical lifting equipment with channled rail guiding, shown in accompanying drawing, comprises that lock actuater is connected leverage with control of braking.The realization of anti-drop function of the present invention is bay-lift to be stopped and be stuck in flute profile guiding rail inside through the friction force that produces between lock actuater and flute profile guiding rail medial surface to realize.
The anti-fall device of the vertical lifting equipment of
present embodiment is shown in accompanying drawing 1, and the lock actuater among Fig. 2 is the right elevation of the lock actuater among Fig. 1, and Fig. 3 is the birds-eye view of Fig. 2.The anti-fall device of present embodiment comprises that control of braking connects lever 3 and is arranged on the lock actuater 19 in the flute profile guiding rail 1; Lock actuater 19 comprises wedge shape inside brake piece 4, two the outer slipper 5 of wedge shape, friction lining 6, pull bar 7, the outer slipper pin 8 of wedge shape, extension springs 9, goes up extension spring pull bar 10 and permanent seat 21.Control of braking connects lever 3 and comprises articulation piece 11, lever shaft 12, steel rope 14, nut 16, packing ring 20, stage clip 17 and lifter drawing bar 18.
wedge shape inside brake piece 4, two outer slipper 5 of wedge shape all are arranged in flute profile guiding rail 1, and axially relative motion between inside and outside wedge shape slipper can not separate.Wedge shape inside brake piece 4 is captiveed joint with bay-lift 2 through permanent seat 21, and permanent seat 21 is Connection Blocks of lock actuater 19 and bay-lift 2.Two outer slipper 5 of wedge shape are arranged at the both sides of wedge shape inside brake piece 4 respectively; Wedge shape inside brake piece 4 is provided with T type projection near a side of wedge shape inside brake piece 4; Embed in the groove of outer slipper 5 sides of wedge shape, T type projection constitutes T type guide frame and links with groove is in the same place.The cross section of wedge shape inside brake piece 4 is trapezoidal that upper bottom surface is wide, bottom surface is narrow, and the cross section of the outer slipper 4 of wedge shape is at right angles trapezoidal, and the square edge of right-angled trapezium is parallel with flute profile guiding rail 1.It is hinged with the outer slipper pin 8 of wedge shape through the waist shaped hole of its underpart outside wedge shape, to be provided with the outer slipper 5 of 6, two wedge shapes of friction lining near a side of flute profile guiding rail 1 inner side edge on the slipper 5.The outer slipper pin 8 of wedge shape connects the lower end of extension spring 9, thereby extension spring 9 is connect with the outer slipper 5 of two wedge shapes indirectly.The upper end of extension spring 9 is connected on the wedge shape inside brake piece 4, captives joint with bay-lift 2 indirectly.
The lower end of the outer slipper pin 8 of the wedge shape of the lock actuater 19 that
are shown in Figure 2 is provided with pull bar 7, and is connected the left end that control of braking connects lever 3 through articulation piece 11.Control of braking connects lever 3 and is supported on the lever shaft 12, and lever shaft 12 is fixed on the bay-lift 2.The right-hand member that control of braking connects lever 3 is connected to lifter drawing bar 18 through steel rope 14.Be specially steel rope 14 strings between upper lift ring 15 and lower lift ring 13, lower lift ring 13 is fixed on the right-hand member that control of braking connects lever 3, and upper lift ring 15 is fixed in the lifter drawing bar 18.Lifter drawing bar 18 inserts in the hole at lifting acting point position of bay-lift 2 from the top down; And be provided with stage clip 17 in the annular space between the hole of lifter drawing bar 18 and bay-lift 2; The upper end of stage clip 17 acts on the bay-lift 2, and the lower end acts on the lifter drawing bar 18.Lifter drawing bar 18 is spacing in the space of bay-lift 2 through nut 16 and packing ring 20, and lifter drawing bar 18 and bay-lift 2 are linked together.Lifter drawing bar 18 nut 16 and the part of packing ring more than 20 can be in the hole of bay-lift 2 axial motion.Lifter drawing bar 18 upper ends link to each other with elevating chain, and when lifter drawing bar 18 was upwards promoted, stage clip 17 was compressed, and give bay-lift 2 force transmission through nut 16 and packing ring 20.
The working process of the anti-fall device of this vertical lifting equipment is following:
When bay-lift normally was connected with driving system, lifter drawing bar was moved up by the pulling force of the lifting chain of bay-lift
, made the stage clip compression; Under the effect of nuts and washers, the masterpiece of lifter drawing bar is used on the acting point of bay-lift, and steel rope is tightened; Control of braking connects lever and under the effect of steel rope, makes counter-clockwise swing around lever shaft; The articulation piece that control of braking connects the lever left end moves down, and the pull bar that drives lock actuater moves downward, and pull bar acts on the outer slipper pin of wedge shape; The outer slipper of wedge shape two wedge shapes of outer slipper pin drive moves down along the T slot of wedge shape inside brake piece; The extension spring that is connected on the outer slipper pin of wedge shape is elongated simultaneously, and the reduced width of lock actuater 19 does not contact with the inner side edge of channled rail;, bay-lift do not produce friction force when normally moving up and down, the bay-lift normal operation.In this case,, guarantee to leave enough gaps between slipper and the channled rail, guarantee that lifting table moves up and down by extension spring control brake piece and the inboard distance of guide rail.
are when bay-lift and driving system disconnection or the fracture of lifting chain; Lifter drawing bar loses hoisting force upwards; The stage clip of compression recovers distortion rapidly, promotes packing ring and nut lifter drawing bar is moved downward, and the lineoutofservice signal pull that control of braking connects lever disappears; Control of braking connects the ineffective power of right-hand member of lever, and meanwhile, extension spring is shunk because of losing pulling force; The outer slipper pin of pulling wedge shape is shunk in extension spring; Drive the outer slipper of two wedge shapes and move up along T shape guide groove, outer slipper of wedge shape and wedge shape inside brake piece are moved to axial, the width of lock actuater 19 increases; And the distance between the dual-side of channled rail guide rail reduces fast; The friction lining near a side of flute profile guiding rail contacts with the guide-track groove medial surface on the slipper outside wedge shape, produces friction, and the outer slipper of two wedge shapes, wedge shape inside brake piece and guide rail are solidified as a whole under the effect of horizontal force.Because channled rail is fixed, so lock actuater also with regard to stop motion, because the anti-fall device and the bay-lift of vertical lifting equipment are solidified as a whole, so bay-lift stops falling, has reached anti-fall, purpose of safety.Because the outside of the outer slipper of wedge shape is parallel with the inside groove of channled rail groove, contacting between slipper and the guide-track groove is that face contacts outside the glancing impact wedge shape, and its load-carrying capacity is big; Channled rail there is not obvious impression; Be not easy distortion, arrest accurately reliable operation; Highly sensitive, can not produce excessive impact; And simple in structure, be convenient to make, be easy to realize normalisation, producing in serial form.
the above, be merely the preferred embodiments of the present invention, can not limit the scope that the present invention implements with this, all simple conversion of doing according to claim of the present invention and description all should still belong to the protection domain that the present invention covers.
Claims (9)
1. the anti-fall device of a vertical lifting equipment is characterized in that: comprise that control of braking connects lever (3) and is arranged on the lock actuater (19) in the flute profile guiding rail (1); Said lock actuater (19) comprises a wedge shape inside brake piece (4) of captiveing joint with bay-lift (2) and two outer slipper (5) of wedge shape that are arranged at wedge shape inside brake piece (4) both sides respectively; The side that slipper outside said wedge shape (5) is gone up near flute profile guiding rail (1) is provided with friction lining (6), and two outer slipper (5) of wedge shape are hinged with the outer slipper pin (8) of wedge shape through the waist-shaped hole of its underpart; Outside said wedge shape, be connected with extension spring (9) on the slipper pin (8), the upper end of extension spring (9) is connected on the wedge shape inside brake piece (4); Said lock actuater (19) is connected the end that control of braking connects lever (3), and the other end that control of braking connects lever (3) is connected to lifter drawing bar (18); Said lifter drawing bar (18) inserts in the hole of bay-lift (2), and is provided with stage clip (17) in the space between the hole of said lifter drawing bar (18) and bay-lift (2).
2. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1, it is characterized in that: said control of braking connects lever (3) and is supported on the lever shaft (12), and said lever shaft (12) is fixed on the bay-lift (2).
3. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1; It is characterized in that: the outer slipper (5) of the wedge shape of said lock actuater (19) is connected the end that control of braking is connected lever (3) through the outer slipper pin (8) of wedge shape with pull bar (7); Pull bar (7) is arranged on the lower end of the outer slipper pin (8) of wedge shape, and pull bar (7) connects through articulation piece (11) is connected lever (3) with control of braking a end.
4. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1, it is characterized in that: said wedge shape inside brake piece (4) is captiveed joint with bay-lift (2) through permanent seat (21).
5. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1; It is characterized in that: the other end that said control of braking connects lever (3) is connected to lifter drawing bar (18) through steel rope (14), and said lifter drawing bar (18) is spacing in the hole of bay-lift (2) stage clip (17) through nut (16) and packing ring (20).
6. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1, it is characterized in that: the top of said extension spring (9) links to each other with wedge shape inside brake piece (4) through last extension spring pull bar (10).
7. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1; It is characterized in that: the upper end of said stage clip (17) acts on the bay-lift (2); The lower end acts on the lifter drawing bar (18), and said lifter drawing bar (18) upper end links to each other with elevating chain.
8. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1; It is characterized in that: the cross section of said wedge shape inside brake piece (4) is trapezoidal that upper bottom surface is wide, bottom surface is narrow; The cross section of the outer slipper (4) of said wedge shape is at right angles trapezoidal, and the square edge of right-angled trapezium is parallel with flute profile guiding rail (1).
9. according to the anti-fall device of a kind of vertical lifting equipment described in the claim 1, it is characterized in that: the both sides of said wedge shape inside brake piece (4) are respectively arranged with T type protuberant bar, embed in the groove of outer slipper (5) side of wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004353 CN102092617B (en) | 2011-01-11 | 2011-01-11 | Anti-falling device of vertical elevating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110004353 CN102092617B (en) | 2011-01-11 | 2011-01-11 | Anti-falling device of vertical elevating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102092617A CN102092617A (en) | 2011-06-15 |
| CN102092617B true CN102092617B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110004353 Expired - Fee Related CN102092617B (en) | 2011-01-11 | 2011-01-11 | Anti-falling device of vertical elevating equipment |
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| CN (1) | CN102092617B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616620B (en) * | 2012-03-08 | 2015-04-01 | 谭锦泉 | Progressive type safety gear of anti-falling safety device |
| DE202019101479U1 (en) | 2019-03-15 | 2020-06-18 | Inventio Ag | Safety brake device |
| CN109931347B (en) * | 2019-04-02 | 2022-11-15 | 北京航空航天大学 | High-speed linear brake device |
| CN112678708B (en) * | 2020-12-30 | 2022-04-29 | 科捷智能科技股份有限公司 | Protection method for preventing rope belt of hoist from breaking |
| CN115626544B (en) * | 2022-12-01 | 2023-04-18 | 江苏驰昇建筑工程设备有限公司 | Prevent weighing down guide rail with additional strengthening |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316303Y (en) * | 1997-10-13 | 1999-04-28 | 苏茂兵 | Parachute for vertical lifting machinery |
| ES2146167B1 (en) * | 1998-05-13 | 2001-04-01 | Orona S Coop | SAFETY BRAKE FOR AN ELEVATOR CAB. |
| CN2721587Y (en) * | 2004-07-05 | 2005-08-31 | 彭忠杰 | Automatic drop preventive brake of vertical transporation |
| CN100443393C (en) * | 2006-04-30 | 2008-12-17 | 王朝前 | Buffer-braking anti-falling device for disposing rope breakage of vertical conveyor |
| CN201980828U (en) * | 2011-01-11 | 2011-09-21 | 西安交通大学苏州研究院 | Falling-preventing device of vertical lifting equipment |
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2011
- 2011-01-11 CN CN 201110004353 patent/CN102092617B/en not_active Expired - Fee Related
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| CN102092617A (en) | 2011-06-15 |
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Granted publication date: 20121128 Termination date: 20150111 |
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