CN103437541A - Falling preventing device of electric chimney elevating climbing frame - Google Patents
Falling preventing device of electric chimney elevating climbing frame Download PDFInfo
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- CN103437541A CN103437541A CN2013103930614A CN201310393061A CN103437541A CN 103437541 A CN103437541 A CN 103437541A CN 2013103930614 A CN2013103930614 A CN 2013103930614A CN 201310393061 A CN201310393061 A CN 201310393061A CN 103437541 A CN103437541 A CN 103437541A
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- climbing frame
- chamfer
- retaining
- trapezoidal block
- stop block
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Abstract
The invention discloses a falling preventing device of an electric chimney elevating climbing frame, solving the technical problem that the falling of the lead screw copper nut of the existing electric climbing frame system cannot be prevented. The falling preventing device of the electric chimney elevating climbing frame comprises a pin shaft (6) which is arranged on an inner climbing frame (5), wherein the right-angled base angle end of an inverted right trapezoid stop block (8) is movably connected with the pin shaft in such a manner that the pin shaft penetrates through the right-angled base angle end; a spring hook (9) and a spring (10) are arranged on the inner climbing frame (5) under the inverted right trapezoid stop block; a support point stop block (11) for the inverted right trapezoid stop block is arranged on the inner climbing frame on the inner side of the inverted right trapezoid stop block; a handle (12) is arranged on the inverted right trapezoid stop block; a retaining slot plate (13) is arranged on the inner side surface of an outer climbing frame (7); retaining slot holes (14) are formed in the retaining slot plate at equal intervals; the trapezoidal inclined side surface of the inverted right trapezoid stop block is in movable fit and contact with the retaining slot plate; the oblique-angled base angle end of the inverted right trapezoid stop block is movably arranged in one retaining slot hole. The falling preventing device of the electric chimney elevating climbing frame is simple in structure and convenient to use and operate.
Description
Technical field
The present invention relates to a kind of anti-drop device, particularly a kind of falling proof device of electric hoist climbing frame of constructing used when setting up chimney.
Background technology
In the construction of large-sized reinforced concrete chimney wall, generally adopt hydraulic pressure or electronic the climbing scaffold system lifting appliance as operation platform, particularly electronic climbing scaffold system because its principle is simple, fabricating cost is low, easy to maintenance, is widely used.The principle of electronic climbing scaffold system is by alternately the rise lifting that realizes integral platform of interior outer climbing frame, the leading screw be fixed on interior climbing frame is to be driven by micro-machine and reducer, interact by the leading screw copper nut with being fixed on outrigger, realize the relative motion of inside and outside.During each the lifting, it is motionless that outrigger first keeps, and micro-machine pioneer movable wire thick stick forward internal frame rises, and after internal frame is raised to position and is fixed, then drives the leading screw reversion by micro-machine, drives whole outer climbing frame by the leading screw copper nut and rise.The Integral lifting that rises to platform of outrigger provides power, is also exerting oneself the stage of system.In construction, the screw thread of leading screw copper nut can, because of the long term wear attenuation that attenuates, finally make the leading screw slippage.This situation, as in the process that occurs in outrigger and promote, made a cornicult of whole operation platform so fall, causes great potential safety hazard, because the wearing and tearing of the screw thread of leading screw copper nut can't be observed intuitively, the anticreep prevention can't be realized.
Summary of the invention
The invention provides a kind of anti-drop device of chimney electric hoist climbing frame, solved the technical problem that the leading screw copper nut of existing electronic climbing scaffold system comes off and can't prevent.
The present invention solves above technical problem by the following technical programs:
A kind of anti-drop device of chimney electric hoist climbing frame, comprise interior climbing frame and outer climbing frame, be respectively arranged with motor on interior climbing frame, reducer and leading screw, outer climbing frame is fixedly connected with feed screw nut, be provided with bearing pin on interior climbing frame, base angle, the right angle end activity cross-under of the trapezoidal block of chamfer is on bearing pin, be provided with spring carrier arm on interior climbing frame below the trapezoidal block of chamfer, one end of spring is fixedly connected with spring carrier arm, the other end of spring is fixedly connected with the stopper spring hook on the trapezoidal block of chamfer, be provided with the fulcrum block of the trapezoidal block of chamfer on the interior climbing frame of the inboard of the trapezoidal block of chamfer, be provided with handle on the trapezoidal block of chamfer, be provided with the retaining frid on the medial surface of outer climbing frame, be provided with the retaining slotted eye in the first-class compartment of terrain of retaining frid, the spacing of two adjacent retaining slotted eyes and retaining slotted eye equal in length, the trapezoidal prism of the trapezoidal block of chamfer contacted with movable cooperation of retaining frid, and base angle, the oblique angle end of the trapezoidal block of chamfer is movably arranged in the retaining slotted eye, equally spaced be provided with the trapezoidal block of chamfer on the lateral surface of interior climbing frame.
The spacing of the two adjacent trapezoidal blocks of chamfer that arrange on the lateral surface of interior climbing frame is odd-multiple of the length of retaining slotted eye.
The invention solves electronic climbing frame due to the feed screw nut danger that the platform produce falls of threading off, simple in structure, use operation also convenient, greatly reduced the degree of danger that operation platform falls.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention when outer climbing frame rises;
Fig. 3 is the structural representation of the present invention when interior climbing frame rises.
The specific embodiment
A kind of anti-drop device of chimney electric hoist climbing frame, comprise interior climbing frame 5 and outer climbing frame 7, be respectively arranged with motor 1 on interior climbing frame 5, reducer 2 and leading screw 3, outer climbing frame 7 is fixedly connected with feed screw nut 4, be provided with bearing pin 6 on interior climbing frame 5, base angle, the right angle end activity cross-under of the trapezoidal block 8 of chamfer is on bearing pin 6, be provided with spring carrier arm 9 on interior climbing frame 5 below the trapezoidal block 8 of chamfer, one end of spring 10 is fixedly connected with spring carrier arm 9, the other end of spring 10 is fixedly connected with the stopper spring hook on the trapezoidal block 8 of chamfer, be provided with the fulcrum block 11 of the trapezoidal block 8 of chamfer on the interior climbing frame 5 of the inboard of the trapezoidal block 8 of chamfer, be provided with handle 12 on the trapezoidal block 8 of chamfer, be provided with retaining frid 13 on the medial surface of outer climbing frame 7, equally spaced be provided with retaining slotted eye 14 on retaining frid 13, the spacing of two adjacent retaining slotted eyes and retaining slotted eye 14 equal in length, the trapezoidal prism of the trapezoidal block 8 of chamfer contacted with movable cooperation of retaining frid 13, and base angle, the oblique angle end of the trapezoidal block 8 of chamfer is movably arranged in retaining slotted eye 14, equally spaced be provided with the trapezoidal block 8 of chamfer on the lateral surface of interior climbing frame 5.
The spacing of the two adjacent trapezoidal blocks 8 of chamfer that arrange on the lateral surface of interior climbing frame 5 is odd-multiple of the length of retaining slotted eye 14.Such design is to guarantee whenever to have a trapezoidal block 8 of chamfer can be embedded in retaining slotted eye 14, guarantees to greatest extent safety.
The present invention causes the situation of the whereabouts of outrigger and platform to design mainly for the screw thread long term wear Sudden failure due to feed screw nut 4 in the outer climbing frame lifting process.Retaining frid 13, according to being symmetrically arranged, is fixed by welding on outer climbing frame, and remaining part all is fixed on interior climbing frame.Retaining frid 13, along the stroke layout of interior climbing frame, is interrupted and has back stop slot hole 14 on steel plate, and the length of retaining slotted eye 14 and the interval of slotted eye are isometric, are 50 millimeters.Fig. 2 demonstrates the state of the anti-drop device in interior climbing frame uphill process: the trapezoidal block 8 of chamfer can rotate around pivot pin 6,11 turned positions to the trapezoidal block 8 of chamfer of fulcrum block are limited, at this moment base angle, the oblique angle end of the trapezoidal block 8 of chamfer is embedded in retaining slotted eye 14, if outer climbing frame landing, base angle, the oblique angle end of the trapezoidal block 8 of chamfer withstands on the upper end face of retaining slotted eye 14, fulcrum block 11 withstands the trapezoidal block 8 of chamfer from trailing flank, to stop outer climbing frame, falls.Pulling handle 12 makes the trapezoidal block 8 of chamfer be rotated counterclockwise 180 degree, whole anti-drop device presents the state of Fig. 3, the restriction effect that now the trapezoidal block 8 of chamfer is subject to the pulling force effect of spring 10 and fulcrum block 11 is in metastable state, and interior climbing frame can slide freely in stroke range.After interior climbing frame lifting puts in place and after fixing, pull handle 12 and make the trapezoidal block 8 dextrorotation turnbacks of chamfer, in the outer climbing frame uphill process, retaining frid 13 produces relative motion with the trapezoidal block 8 of chamfer, and base angle, the oblique angle end of the trapezoidal block 8 of chamfer can not stop the rising of outer climbing frame 7.When the base angle, oblique angle of the trapezoidal block 8 of chamfer, end slides in retaining slotted eye 14, during the trapezoidal block 8 of chamfer can be embedded into retaining slotted eye 14 under the pulling force effect of spring 10, plays and stops outer climbing frame to continue the effect of whereabouts.
When the stroke of inside and outside climbing frame relative motion surpasses 1500 millimeters, as outer climbing frame falls suddenly at highest point, theoretically, the distance that falls of outer climbing frame also can surpass 1500 millimeters, and its harmfulness is self-evident; After using the present invention, can make the distance that falls of outer climbing frame the most very much not surpass 50 millimeters, can not impact platform and integrally, greatly improve the safe coefficient of construction.
Claims (2)
1. the anti-drop device of a chimney electric hoist climbing frame, comprise interior climbing frame (5) and outer climbing frame (7), be respectively arranged with motor (1) on interior climbing frame (5), reducer (2) and leading screw (3), outer climbing frame (7) is fixedly connected with feed screw nut (4), it is characterized in that, be provided with bearing pin (6) on interior climbing frame (5), base angle, the right angle end activity cross-under of the trapezoidal block of chamfer (8) is on bearing pin (6), be provided with spring carrier arm (9) on the interior climbing frame (5) of the below of the trapezoidal block of chamfer (8), one end of spring (10) is fixedly connected with spring carrier arm (9), the other end of spring (10) is fixedly connected with the stopper spring hook on the trapezoidal block of chamfer (8), be provided with the fulcrum block (11) of the trapezoidal block of chamfer (8) on the interior climbing frame (5) of the inboard of the trapezoidal block of chamfer (8), be provided with handle (12) on the trapezoidal block of chamfer (8), be provided with retaining frid (13) on the medial surface of outer climbing frame (7), equally spaced be provided with retaining slotted eye (14) on retaining frid (13), the spacing of two adjacent retaining slotted eyes and retaining slotted eye (14) equal in length, the trapezoidal prism of the trapezoidal block of chamfer (8) contacted with movable cooperation of retaining frid (13), and base angle, the oblique angle end of the trapezoidal block of chamfer (8) is movably arranged in retaining slotted eye (14), equally spaced be provided with the trapezoidal block of chamfer (8) on the lateral surface of interior climbing frame (5).
2. the anti-drop device of a kind of chimney electric hoist climbing frame according to claim 1, it is characterized in that, the spacing of the two adjacent trapezoidal blocks of chamfer (8) that arrange on the lateral surface of interior climbing frame (5) is the odd-multiple of the length of retaining slotted eye (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103930614A CN103437541A (en) | 2013-08-30 | 2013-08-30 | Falling preventing device of electric chimney elevating climbing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103930614A CN103437541A (en) | 2013-08-30 | 2013-08-30 | Falling preventing device of electric chimney elevating climbing frame |
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| Publication Number | Publication Date |
|---|---|
| CN103437541A true CN103437541A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103930614A Pending CN103437541A (en) | 2013-08-30 | 2013-08-30 | Falling preventing device of electric chimney elevating climbing frame |
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| CN (1) | CN103437541A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628138A (en) * | 2017-08-15 | 2018-01-26 | 广东省特种设备检测研究院珠海检测院 | A kind of climbing robot for detecting cage guide multi-parameter |
| CN114059778A (en) * | 2021-11-10 | 2022-02-18 | 湖北工业大学 | Make building machine safety jacking device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3797608A (en) * | 1971-03-26 | 1974-03-19 | Pomagalski Sa | Scaffolding winch |
| JPS59138659A (en) * | 1983-01-25 | 1984-08-09 | 日本ビソ−株式会社 | Lock operating mechanism of hanging rope in gondra elevator |
| CN2364133Y (en) * | 1999-04-13 | 2000-02-16 | 沈海晏 | Balancing point type fall preventing device |
| CN2813770Y (en) * | 2005-06-14 | 2006-09-06 | 贵州建工集团第二建筑工程公司 | Fast mounting safety hook |
| CN201314117Y (en) * | 2008-12-16 | 2009-09-23 | 贺昌义 | Anti-falling mechanism of attached lifting scaffold |
| CN202519975U (en) * | 2012-01-11 | 2012-11-07 | 北城致远集团有限公司 | Reciprocating slip form platform |
| CN202644949U (en) * | 2012-05-10 | 2013-01-02 | 深圳市明远建材科技有限公司 | Inorganic decorative veneer installation pressing bar |
| CN202925874U (en) * | 2012-11-16 | 2013-05-08 | 天津隆镐科技有限公司 | Scaffold-climbing falling prevention device |
| CN203755633U (en) * | 2013-08-30 | 2014-08-06 | 中国能源建设集团山西省电力建设四公司 | Anti-drop device for electric lifting climbing frame for chimney |
-
2013
- 2013-08-30 CN CN2013103930614A patent/CN103437541A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3797608A (en) * | 1971-03-26 | 1974-03-19 | Pomagalski Sa | Scaffolding winch |
| JPS59138659A (en) * | 1983-01-25 | 1984-08-09 | 日本ビソ−株式会社 | Lock operating mechanism of hanging rope in gondra elevator |
| CN2364133Y (en) * | 1999-04-13 | 2000-02-16 | 沈海晏 | Balancing point type fall preventing device |
| CN2813770Y (en) * | 2005-06-14 | 2006-09-06 | 贵州建工集团第二建筑工程公司 | Fast mounting safety hook |
| CN201314117Y (en) * | 2008-12-16 | 2009-09-23 | 贺昌义 | Anti-falling mechanism of attached lifting scaffold |
| CN202519975U (en) * | 2012-01-11 | 2012-11-07 | 北城致远集团有限公司 | Reciprocating slip form platform |
| CN202644949U (en) * | 2012-05-10 | 2013-01-02 | 深圳市明远建材科技有限公司 | Inorganic decorative veneer installation pressing bar |
| CN202925874U (en) * | 2012-11-16 | 2013-05-08 | 天津隆镐科技有限公司 | Scaffold-climbing falling prevention device |
| CN203755633U (en) * | 2013-08-30 | 2014-08-06 | 中国能源建设集团山西省电力建设四公司 | Anti-drop device for electric lifting climbing frame for chimney |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628138A (en) * | 2017-08-15 | 2018-01-26 | 广东省特种设备检测研究院珠海检测院 | A kind of climbing robot for detecting cage guide multi-parameter |
| CN107628138B (en) * | 2017-08-15 | 2024-03-29 | 广东省特种设备检测研究院珠海检测院 | Climbing robot for detecting multiple parameters of elevator guide rail |
| CN114059778A (en) * | 2021-11-10 | 2022-02-18 | 湖北工业大学 | Make building machine safety jacking device |
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Application publication date: 20131211 |