CN202223148U - Overload protector for winch type window cleaning equipment - Google Patents
Overload protector for winch type window cleaning equipment Download PDFInfo
- Publication number
- CN202223148U CN202223148U CN2011203156831U CN201120315683U CN202223148U CN 202223148 U CN202223148 U CN 202223148U CN 2011203156831 U CN2011203156831 U CN 2011203156831U CN 201120315683 U CN201120315683 U CN 201120315683U CN 202223148 U CN202223148 U CN 202223148U
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- spring
- ejector rod
- push rod
- limit
- cleaning equipment
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- Expired - Fee Related
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Abstract
The utility model discloses an overload protector for winch type window cleaning equipment, which comprises a guide column, a spring, a spring seat, a structural rack, an ejector rod, an adjusting bolt, an ejector rod rack, a load limiting rack, a tension spring and a limiting switch. The spring is arranged between the guide column and the spring seat, a fixed end of the ejector rod is connected with the guide column, a touch end of the ejector rod touches with a fixed point of the load limiting rack, the structural rack is located below the ejector rod and connected with an extension end of the guide column, and the structural rack is combined by a lifting lug, a transverse lifting plate, two groups of wedge sleeves and two groups of wedge blocks. The overload protector is in a purely mechanical design, the ejector rod and the spring seat move relatively by the aid of compression of the spring, after displacement reaches a certain degree, the load limiting rack touches with the limiting switch to realize power failure protection, the length of the ejector rod is adjusted by the adjusting bolt of the ejector rod, influences due to processing errors are reduced, and rope grooves are wedge-shaped so that payload can be improved. The overload protector is stable in performance and low in cost, and can effectively guarantee high-altitude safety operation.
Description
Technical field
The utility model relates to a kind of construction and decoration overload protection device, is specifically related to a kind of overload protection device that is used in the winding type window cleaning equipment of external wall clean and maintenance.
Background technology
Building permanence maintenance clean equipment (abbreviation window cleaning equipment) is along with the prosperity of construction market has become requisite mechanized construction equipment in the construction; Because hanging basket should deliver finishing material in construction manned again; Security performance is very important, but is not having overload device basically with hanging basket now, has great potential safety hazard; The serious accident that causes because of overload has finding repeatly, so the installation of hanging cradle overload protector is imperative; The normal on the market overload electric current that uses is as overload protection; Its shortcoming is: 1, the hanging basket support do not have anti-tilting apparatus 2, because the working environment of electric elements requirement is harsh; Less stable 3 when being applied to hanging basket, window cleaning equipment hanging basket are lighter; It is bigger that wind-engaging carries influence, be prone to produce the vibration overload and cause misoperation, and adjustment overcurrent protector difficulty is bigger; Number of patent application is that 200810155479.0 file discloses a kind of high-lift operation hanging cradle overload protector, and its primary structure comprises mount pad, guide pillar and spring, in overload protection device, adopts spring to measure load; But because in the actual processing; The length of push rod is nonstandard, causes overload device malfunctioning during use, and then causes gross overload accident; And the rope hinged place is common conductor rope cover in this patent document, the not high and easy generation hanging basket overthrow accident of payload.
The utility model content
The utility model is intended to provide a kind of winding type window cleaning equipment overload protection device that can when overload, cut off the electricity supply and give the alarm, and this device has improved the validity of system's operation, and can prevent the hanging basket overthrow accident.
The purpose of the utility model can reach through following measure: a kind of winding type window cleaning equipment overload protection device, and scheme is following:
A, its primary structure comprise: guide pillar, spring, spring base, structure-steel framing, push rod, adjusting bolt, mandril frame, limit for tonnage frame, extension spring and limit switch; Said spring is arranged between guide pillar and the spring base; The stiff end of said push rod is connected with guide pillar, and the shake-up end of said push rod and limit for tonnage frame fixed point are touched; Said structure-steel framing is positioned at the push rod below and is connected with the guide pillar extended end;
B, said structure-steel framing are by adjusting rod, hanger, horizontal boatswain chair, voussoir and carve cover and constitute, and said hanger stiff end connects adjusting rod, movable end connection horizontal boatswain chair, and the two ends of horizontal boatswain chair are connected with respectively carves cover, and said carving is fixed with voussoir in the cover;
The shake-up end of C, said push rod passes the through hole on the mandril frame, and the end of said shake-up end is provided with the adjusting bolt.
The technique scheme difference with the prior art is: the overload protection device of the utility model adopts pure Machine Design; Through the compression of spring, make push rod and spring base relative motion, after displacement acquires a certain degree; The limit for tonnage frame touches limit switch; Power-off protection, push rod regulating system can normal, effectively use overload protection device for reducing the influence that mismachining tolerance is brought; The push rod front end is provided with the adjusting bolt specially, is used for finely tuning the length of push rod, makes that under any state, push rod can both touch the limit for tonnage frame, guarantees the validity of system at any time; The combination of hanger, horizontal boatswain chair and two groups of covers of wedge, voussoir is adopted in steel wire articulated section on the structure-steel framing; Make steel wire rope be in tight poised state, the control overthrow accident takes place, because grooving is wedge shape always; Can improve payload; This overload protection stable performance, cost is low, can guarantee the high-altitude safe operation effectively.
Further, the stiff end of said limit for tonnage frame is connected on the fixed head through bearing pin, and the shake-up end of said limit for tonnage frame is connected with extension spring; The shake-up end of limit for tonnage frame rotates around stiff end, and after push rod touched the limit for tonnage frame, the shake-up end of limit for tonnage frame touched limit switch, cuts off the electricity supply, and the limit for tonnage frame returns to the home position under the pulling force of extension spring.
Further, said spring base is fixed on the left and right connecting plates through left and right sides supporting plate, improves the stability of spring base.
Further, said limit switch is connected with warning device, and limit switch is cut off the electricity supply after being touched and opened warning device, gives the alarm to remind the related personnel to take appropriate measures, to avoid going here and there personnel's danger and the mechanical failure that causes in overload.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation:
The structural representation of a kind of winding type window cleaning equipment of Fig. 1 the utility model overload protection device embodiment;
Fig. 2 is the side view of Fig. 1.
Label among the figure: 1. guide pillar 2. cylindrically coiled springs 3. spring bases 4. adjusting rods 5. hangers 6. horizontal boatswain chair 7. covers of wedge 8. voussoirs 9. push rods 10. mandril frames 11. fixed heads 12. limit for tonnage framves 13. extension springs 14. supporting plates 15. limit switches 16. brackets 17. are regulated bolt
The specific embodiment
See figures.1.and.2, a kind of winding type window cleaning equipment overload protection device, this overload device comprises guide pillar 1, spring base 3; The said guide pillar 1 terminal hanging basket that connects, spring base 3 dual-sides are connected with left and right sides supporting plate 14, and left and right sides supporting plate 14 is fixed on the left and right connecting plates; Be with cylindrically coiled spring 2 between guide pillar 1 and the spring base 3, guide pillar 1 end is provided with bracket 16, and cylindrically coiled spring 2 can be done stretching motion between bracket 16 and spring base 3; Guide pillar 1 front end is connected with push rod 9, and the extended end of guide pillar 1 is connected with adjusting rod 4, and said adjusting rod 4 is positioned under push rod 9 horizontal levels; Be fixed with hanger 5 on the said adjusting rod 4, the movable end of hanger 5 is connected in the middle part of horizontal boatswain chair 6, and the two ends of horizontal boatswain chair 6 all are connected with cover of wedge 7; Be fixed with voussoir 8 in the said cover of wedge 7, the rope pin joint is arranged on the voussoir 8, hinged for rope; Push rod 1 passes the through hole on the mandril frame 10, and mandril frame 10 plays the load-bearing effect, and the shake-up end white silk of push rod 9 is connected to regulates bolt 17; Be used to regulate push rod 1 length, the shake-up end of push rod 9 and limit for tonnage frame 12 fixed points are touched, and an end of said limit for tonnage frame 12 is connected on the fixed head 11 through bearing pin; The other end is connected with extension spring 13 on the mandril frame 10, and limit for tonnage frame 12 can touch limit switch 15, and said limit switch 15 also is connected with alarm.
During the hanging basket overload, during the overload of winding type window cleaning equipment, hanging basket has downward movement tendency, and cylindrically coiled spring 2 is compressed; Through the relative motion of cylindrically coiled spring 2 and spring base 3, when load-carrying reached nominal load capacity 25%, push rod 9 touched limit for tonnage frame 12; Limit for tonnage frame 12 touches limit switch 15, cuts off the electricity supply and sends the overload alarm signal, realizes the function of overload protection; This mechanism design is safe and reliable, and behind the dump, limit for tonnage frame 12 returns to initial position under the pulling force of extension spring 13.
For reducing the influence that mismachining tolerance is brought, make normal, the effectively use of overload protection device ability, push rod 9 touches to hold to be provided with regulates bolt 17; Be used for finely tuning the length of push rod 9; Make that under any state, push rod 9 can both touch limit for tonnage frame 12, guarantees the validity of system at any time.
In real work, owing to can't guarantee the synchronism of winding type window cleaning equipment load cable and safe steel wire rope fully, if nonsynchronous situation takes place; Arbitrary steel wire rope is not tightened, and all is easy to cause hanging basket to tumble, and the utility model utilizes lever principle; Adopt the combination of hanger 5, horizontal boatswain chair 6 and two groups of covers of wedge 7, voussoir 8, make steel wire rope be in tight poised state always, the control overthrow accident takes place; The grooving of rope pin joint is wedge shape, can improve payload.
Above-described only is the preferred implementation of the utility model; Should be understood that; For a person skilled in the art, under the prerequisite that does not break away from the utility model structure, can also make some distortion and improvement; These also should be regarded as the protection domain of the utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (4)
1. winding type window cleaning equipment overload protection device is characterized in that:
A, its primary structure comprise: guide pillar, spring, spring base, structure-steel framing, push rod, adjusting bolt, mandril frame, limit for tonnage frame, extension spring and limit switch; Said spring is arranged between guide pillar and the spring base; The stiff end of said push rod is connected with guide pillar, and the shake-up end of said push rod and limit for tonnage frame fixed point are touched; Said structure-steel framing is positioned at the push rod below and is connected with the guide pillar extended end;
B, said structure-steel framing are by adjusting rod, hanger, horizontal boatswain chair, voussoir and carve cover and constitute, and said hanger stiff end connects adjusting rod, movable end connection horizontal boatswain chair, and the two ends of horizontal boatswain chair are connected with respectively carves cover, and said carving is fixed with voussoir in the cover;
The shake-up end of C, said push rod passes the through hole on the mandril frame, and the end of said shake-up end is provided with the adjusting bolt.
2. winding type window cleaning equipment overload protection device according to claim 1, it is characterized in that: the stiff end of said limit for tonnage frame is connected on the fixed head through bearing pin, and the shake-up end of said limit for tonnage frame is connected with extension spring.
3. winding type window cleaning equipment overload protection device according to claim 1, it is characterized in that: said spring base is fixed on the left and right connecting plates through left and right sides supporting plate.
4. winding type window cleaning equipment overload protection device according to claim 1, it is characterized in that: said limit switch is connected with warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203156831U CN202223148U (en) | 2011-08-26 | 2011-08-26 | Overload protector for winch type window cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203156831U CN202223148U (en) | 2011-08-26 | 2011-08-26 | Overload protector for winch type window cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202223148U true CN202223148U (en) | 2012-05-23 |
Family
ID=46073759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203156831U Expired - Fee Related CN202223148U (en) | 2011-08-26 | 2011-08-26 | Overload protector for winch type window cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202223148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336021A (en) * | 2018-10-10 | 2019-02-15 | 泉州台商投资区泰全机械科技有限公司 | A kind of automatic extension lifting rope device locked using rapidly frictional heat generation moment |
| CN109683580A (en) * | 2019-02-26 | 2019-04-26 | 上海旌连科技有限公司 | An a kind of ancient type of banner hoisted on a featherdecked mast connects high-altitude facility stability condition monitoring system |
-
2011
- 2011-08-26 CN CN2011203156831U patent/CN202223148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336021A (en) * | 2018-10-10 | 2019-02-15 | 泉州台商投资区泰全机械科技有限公司 | A kind of automatic extension lifting rope device locked using rapidly frictional heat generation moment |
| CN109683580A (en) * | 2019-02-26 | 2019-04-26 | 上海旌连科技有限公司 | An a kind of ancient type of banner hoisted on a featherdecked mast connects high-altitude facility stability condition monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |