CN203755633U - Anti-drop device for electric lifting climbing frame for chimney - Google Patents
Anti-drop device for electric lifting climbing frame for chimney Download PDFInfo
- Publication number
- CN203755633U CN203755633U CN201320541956.3U CN201320541956U CN203755633U CN 203755633 U CN203755633 U CN 203755633U CN 201320541956 U CN201320541956 U CN 201320541956U CN 203755633 U CN203755633 U CN 203755633U
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- CN
- China
- Prior art keywords
- climbing frame
- chamfer
- trapezoidal block
- retaining
- check block
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- Expired - Lifetime
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Abstract
The utility model discloses an anti-drop device for an electric lifting climbing frame for a chimney and solves the technical problem that the drop of screw copper nuts cannot be prevented in the conventional electric climbing frame system. The anti-drop device is characterized in that a pin roll (6) is arranged on an inner climbing frame (5); the right-angled base angle end of an inverted right trapezoid check block (8) is movably connected to the pin roll in a penetrating manner; the inner climbing frame (5) below the inverted right trapezoid check block is provided with a spring hanger (9) and a spring (10); the inner climbing frame (5) on the inner side of the inverted right trapezoid check block is provided with a supporting point check block (11) of the inverted right trapezoid check block; the inverted right trapezoid check block is provided with a handle (12); the inner side face of an outer climbing frame (7) is provided with a retreating stop slot plate (13); retreating stop slotted holes (14) are formed in the stop slot plate at equal intervals; the trapezoid inclined side face of the inverted right trapezoid check block is in movable match and contact with the retreating stop slot plate; the oblique-angled base angle end of the inverted right trapezoid check block is movably arranged in the corresponding stop slotted hole. The anti-drop device 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 in the time setting up chimney.
Background technology
In the construction of large-sized reinforced concrete chimney wall, generally adopt hydraulic pressure or the electronic climbing scaffold system lifting appliance as operation platform, particularly electronic climbing scaffold system is because its principle is simple, and fabricating cost is low, easy to maintenance, is widely used.The principle of electronic climbing scaffold system is alternately to be risen and to be realized the lifting of integral platform by interior outer climbing frame, the leading screw being fixed on interior climbing frame is to be driven by micro-machine and reducer, by interacting with the leading screw copper nut being fixed on outrigger, realize the relative motion of inside and outside.When each 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 leading screw to reverse by micro-machine, drives whole outer climbing frame to rise by leading screw copper nut.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 leading screw slippage.This situation, as made a cornicult of whole operation platform so fall in the process that occurs in outrigger and promote, causes great potential safety hazard, because the wearing and tearing of the screw thread of leading screw copper nut cannot be observed intuitively, anticreep prevention cannot be realized.
Summary of the invention
The invention provides a kind of anti-drop device of chimney electric hoist climbing frame, the leading screw copper nut that the has solved existing electronic climbing scaffold system technical problem that cannot prevent that comes off.
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, on interior climbing frame, be respectively arranged with motor, reducer and leading screw, outer climbing frame is fixedly connected with feed screw nut, on interior climbing frame, be provided with bearing pin, base angle, the right angle end activity cross-under of the trapezoidal block of chamfer is on bearing pin, on interior climbing frame below the trapezoidal block of chamfer, be provided with spring carrier arm, 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, on the interior climbing frame of the inner side of the trapezoidal block of chamfer, be provided with the fulcrum block of the trapezoidal block of chamfer, on the trapezoidal block of chamfer, be provided with handle, on the medial surface of outer climbing frame, be provided with retaining frid, be provided with 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 retaining slotted eye, on the lateral surface of interior climbing frame, be equally spaced provided with the trapezoidal block of chamfer.
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 that produces falls of threading off, simple in structure, use operation also convenient, greatly reduce the degree of danger that operation platform falls.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention in the time that outer climbing frame rises;
Fig. 3 is the structural representation of the present invention in the time that interior climbing frame rises.
Detailed description of the invention
A kind of anti-drop device of chimney electric hoist climbing frame, comprise interior climbing frame 5 and outer climbing frame 7, on interior climbing frame 5, be respectively arranged with motor 1, reducer 2 and leading screw 3, outer climbing frame 7 is fixedly connected with feed screw nut 4, on interior climbing frame 5, be provided with bearing pin 6, base angle, the right angle end activity cross-under of the trapezoidal block 8 of chamfer is on bearing pin 6, on interior climbing frame 5 below the trapezoidal block 8 of chamfer, be provided with spring carrier arm 9, 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, on the interior climbing frame 5 of the inner side of the trapezoidal block 8 of chamfer, be provided with the fulcrum block 11 of the trapezoidal block 8 of chamfer, on the trapezoidal block 8 of chamfer, be provided with handle 12, on the medial surface of outer climbing frame 7, be provided with retaining frid 13, on retaining frid 13, be equally spaced provided with retaining slotted eye 14, 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, on the lateral surface of interior climbing frame 5, be equally spaced provided with the trapezoidal block 8 of chamfer.
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, ensures 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 outer climbing frame lifting process.Retaining frid 13, according to being symmetrically arranged, is fixed by welding on outer climbing frame, and remaining part is all 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 of the fulcrum blocks turned position to the trapezoidal block 8 of chamfer limits, 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 to fall.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, now the trapezoidal block 8 of chamfer is subject to the pulling force effect of spring 10 and the restriction effect of fulcrum block 11 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 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, and the trapezoidal block 8 of chamfer can be embedded in retaining slotted eye 14 under the pulling force effect of spring 10, plays and stops outer climbing frame to continue the effect of whereabouts.
In the time that the stroke of inside and outside climbing frame relative motion exceedes 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), on interior climbing frame (5), be respectively arranged with motor (1), reducer (2) and leading screw (3), outer climbing frame (7) is fixedly connected with feed screw nut (4), it is characterized in that, on interior climbing frame (5), be provided with bearing pin (6), base angle, the right angle end activity cross-under of the trapezoidal block of chamfer (8) is on bearing pin (6), on the interior climbing frame (5) of the below of the trapezoidal block of chamfer (8), be provided with spring carrier arm (9), 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), on the interior climbing frame (5) of the inner side of the trapezoidal block of chamfer (8), be provided with the fulcrum block (11) of the trapezoidal block of chamfer (8), on the trapezoidal block of chamfer (8), be provided with handle (12), on the medial surface of outer climbing frame (7), be provided with retaining frid (13), on retaining frid (13), be equally spaced provided with retaining slotted eye (14), 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), on the lateral surface of interior climbing frame (5), be equally spaced provided with the trapezoidal block of chamfer (8).
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 |
|---|---|---|---|
| CN201320541956.3U CN203755633U (en) | 2013-08-30 | 2013-08-30 | Anti-drop device for electric lifting climbing frame for chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541956.3U CN203755633U (en) | 2013-08-30 | 2013-08-30 | Anti-drop device for electric lifting climbing frame for chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755633U true CN203755633U (en) | 2014-08-06 |
Family
ID=51250924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541956.3U Expired - Lifetime CN203755633U (en) | 2013-08-30 | 2013-08-30 | Anti-drop device for electric lifting climbing frame for chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437541A (en) * | 2013-08-30 | 2013-12-11 | 中国能源建设集团山西省电力建设四公司 | Falling preventing device of electric chimney elevating climbing frame |
-
2013
- 2013-08-30 CN CN201320541956.3U patent/CN203755633U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437541A (en) * | 2013-08-30 | 2013-12-11 | 中国能源建设集团山西省电力建设四公司 | Falling preventing device of electric chimney elevating climbing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POW Free format text: FORMER NAME: SHANXI NO 4 ELECTRIC POWER CONSTRUCTION COMPANY CHINA ENERGY ENGINEERING GROUP |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 030012 Shanxi city of Taiyuan province Pingyang road two lane 24 Patentee after: CEEC SHANXI ELECTRIC POWER CONSTRUCTION Co.,Ltd. Address before: 030012 Shanxi city of Taiyuan province Pingyang road two lane 24 Patentee before: CEEC SHANXI NO.4 ELECTRIC POWER CONSTRUCTION CO. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Tiejun Document name: Notice of Termination of Patent Rights |