CN2753700Y - Steel rope overspeed protection safety device - Google Patents
Steel rope overspeed protection safety device Download PDFInfo
- Publication number
- CN2753700Y CN2753700Y CN 200420095396 CN200420095396U CN2753700Y CN 2753700 Y CN2753700 Y CN 2753700Y CN 200420095396 CN200420095396 CN 200420095396 CN 200420095396 U CN200420095396 U CN 200420095396U CN 2753700 Y CN2753700 Y CN 2753700Y
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- China
- Prior art keywords
- steel rope
- voussoir
- safety device
- overspeed protection
- utility
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- Expired - Fee Related
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Abstract
The utility model discloses a wire cable overspeed protection safety device, the aim of the utility model is to provide an overspeed security protection device which realizes the mandatory driving of a lifting appliance by tightly clamping the wire cable used for lifting. The structure of the utility model comprises a speed measurement trigger, a wedge block and a wedge block sleeve, wherein the speed measurement trigger is provided with a rope pulley, the wedge block sleeve is matched with the wedge block and the wedge block is tightly attached to a lifting wire cable and is slid in the wedge block sleeve. The utility model is characterized in that the wire cable overspeed protection safety device also comprises a pinch roller, the pinch roller is used for clamping the lifting wire cable on the rope pulley, the rope pulley is a friction roller and the speed measurement trigger is connected with the wedge block through a guide rod. The utility model has the advantages of simple installation and safety, the safety performance is improved, and the utility model can be instantly arranged on on-site equipment for using.
Description
Technical field
The utility model relates to a kind of safety guard of mandatory driving jacking equipment, in particular, is a kind of hypervelocity rope gripper.
Background technology
Rely on the mandatory driven lifting of wire rope pulling to be widely used in the applications that various as constructions waits the manned loading of needs lifting, as winch etc., these equipment all need to add safety guard.With the winch is example; its existing safety guard all is the situation design-calculated at disconnected rope; as the disclosed a kind of rope broken protector of Chinese patent publication number CN2067696U; when hanging basket generation steel rope ruptures suddenly, speed is very big during tenesmus, and the spring in its rod assembly can promote eccentric wheel automatically and rotate; make eccentric wheel block guide rail; friction force is increasing, thereby blocks the weight of tenesmus, and principle similarly also has spring pin shaft type and wedge-type rope broken protector.Winch in the market substantially all is to use this several fender guards.But all there is a very big potential safety hazard in above-mentioned device, promptly has only when wire cable rupture, and its rope broken protector just can work.And the dangerous emergency case of winch is diversified; for example brake failure, the damage of motor shaft coupler etc.; the capital is caused steel rope not rupture but is dropped with the speed that surpasses safety requirements; in this case; above-mentioned fender guard can't work; see yet this situation is not only more, and be extremely dangerous.
In the technical field of elevator; equally also must install safety system additional to it; this technology is generally velocity limiter safety tongs system, promptly stops the safety device that shields that it moves downward by the safety tongs grip track when hypervelocity and disconnected rope take place elevator.
As the disclosed a kind of elevator governor of China Patent No. CN2098492U, it relates to a kind ofly limits elevator overspeed and give a signal and brake the device of elevator by safety tongs when elevator wire rope rupture, mainly by rope sheave, ratchet, pull bar, get rid of piece etc. and form, centnifugal force when utilizing hypervelocity on the rope sheave, control travel switch and drive are fixed on the pull bar of clamped wire rope on the elevator, mention safety tongs, slow down until making the elevator stop motion.Its keystone configuration is a speed limit binary pair, and when relative velocity surpassed safety requirements, speed limit trigger pull pull bar was mentioned safety tongs.This mechanism has simple in structure.Stable performance, advantages such as noiselessness, and also it can be realized dealing with and comprises multiple dangerous situations such as disconnected rope, hypervelocity.
If this structure that is used for elevator brake is installed to mandatory driven lifting such as winch, just can solve the problem that its brake system is unable to cope with protection hypervelocity tenesmus, but this and be not easy to realize.At first, the mode of motion of elevator is different with winch, and most of elevators drive by the friction traction, and winch then is to use the mandatory driving of steel rope; Secondly, the equipment that is assemblied in field activity such as the hanging basket of winch etc. being installed additional mechanism is unusual difficulty; At last, its mechanism's more complicated, cost of installation is very high, and can influence the progress of work.
From above-mentioned data, the mandatory driven lifting of most existing is necessary at once it to be installed additional a safety device that overlaps overspeed protection to improve its safety, reduces personal injury and property damage.
Summary of the invention
The utility model is at the deficiencies in the prior art part; provide a kind of and realize the hypervelocity safety guard-safeguard of mandatory driving jacking equipment by clamping the steel rope that promotes usefulness, it installs simple, and is safe and reliable; improve safety performance greatly, and can be installed in place in operation on the on-the-spot equipment immediately.
For achieving the above object; the utility model provides a kind of steel rope overspeed protection safety device; comprise that one has the binary pair that tests the speed, a voussoir and the voussoir cover with matching of rope sheave; it is characterized in that; also comprise the contact roller of rope sheave interlock with the binary pair that tests the speed; described contact roller lifts steel rope with the rope sheave clamping of the binary pair that tests the speed, and the binary pair that tests the speed connects voussoir by a guide rod.
The binary pair that tests the speed is that above-mentioned speed limit binary pair is in the application of prior art, its principle is as follows: rope sheave is that fifth wheel connects a hand log line separately, when the speed of institute's bonded assembly hand log line surpasses security value (s), promptly trigger pull bar with the mechanism of getting rid of formations such as piece by ratchet, mention the safety tongs that is fixed on the lift car by pull bar, clamp tight track, stop the cab tenesmus.
As a kind of improvement of the present utility model, in its structure, do not use hand log line, lift steel rope and change rope sheave into direct clamping, and install one additional and be used for that steel rope is pressed on pinch wheels on the rope sheave and make between rope sheave and the steel rope and do not have relative motion, and when rope belt running rope wheel and when making both speed surpass safety value, promptly can trigger mechanism and promote guide rod.
As further improvement of the utility model, rope sheave bonded assembly guide rod directly promotes voussoir and makes it clamp steel rope, after voussoir is pushed, and the friction force between the steel rope increases, this friction force can drive voussoir further to front slide and cause positive pressure to increase, friction force increases thereupon, and final voussoir clamps steel rope, stops its motion.
The structure that steel rope overspeed protection safety device of the present utility model, brake portion have adopted voussoir to clamp is so safety is very high.And its structure is also fairly simple, very is easy to produce, use, and particularly can realize braking because of it to the steel rope effect, so install very conveniently, matching is very high, is applicable on various device and installs immediately.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is specific embodiment of the utility model.
Among the figure: the binary pair 1 that tests the speed, rope sheave 2, contact roller 3, guide rod 4, voussoir 5, voussoir cover 6, steel rope overspeed protection safety device 7, hanging basket 8, lift steel rope 9, winch 10
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Be illustrated in figure 1 as structural representation of the present utility model: arrow is depicted as the sense of motion of steel rope 9, the fifth wheel on the binary pair 1 of testing the speed be rope sheave 2 with contact roller 3 respectively at fixing up and down, rope sheave 2 is a friction wheel, lift steel rope 9 from passing between the two-wheeled and being clamped by two-wheeled, rope sheave 2 rotates along with the feeding of steel rope 9.At its place ahead fixed in position voussoir cover 6 and therein a pair of voussoir 5 of sliding, the binary pair 1 that tests the speed is connected with voussoir 5 usefulness one guide rod 4, and steel rope 9 passes between two voussoirs space and is close to voussoir.
During normal transmission, lift that steel rope 9 is advanced with normal speed and drive rope sheave 2 and rotate together by friction, when brake failure takes place, during situations such as motor shaft coupler damage, lift steel rope when surpassing the speed motion of safety requirements, also drive rope sheave 2 overspeed rotation, shake-up test the speed binary pair 1 mechanism urges guide rod 4 and cut off the electricity supply, guide rod 4 promotes voussoir 5 and slides, after voussoir is pushed, and the friction force that lifts between the steel rope 9 increases, and this friction force can drive voussoir further to front slide, and friction force increases thereupon, final voussoir 5 clamps steel rope 9, stops its motion.
Be illustrated in figure 2 as a specific embodiment of the present utility model; hanging basket 8 is connected on the winch 10 by lifting steel rope 9; and by winch 10 drive up-and-down movements; steel rope overspeed protection safety device 7 integral body are in the ground fixed in position; steel rope overspeed protection safety device 7 is inoperative under the normal working; when hanging basket 8 drops with the speed that surpasses safety rate; lift steel rope 9 hypervelocity feedings; when the speed of rope sheave 2 surpasses safety value; steel rope overspeed protection safety device 7 promptly can trigger; cut off the power supply of motor on the one hand, clamp rapidly on the other hand and lift steel rope 9, the accident that prevents takes place.
Voussoir driving surface in the present embodiment be shaped as the plane, can make curved surface or other shape as required during production.
The safety value of speed can be formulated and be adjusted by actual conditions.
Voussoir quantity in the present embodiment is a pair of, and reality can be made as required and many voussoir be clamped together, perhaps can use single or multiple voussoirs, when being promoted and the voussoir cover finish jointly and clamp action.
Claims (6)
1, a kind of steel rope overspeed protection safety device; comprise the binary pair that tests the speed (1), voussoir (5) and the voussoir cover with matching (6) that have rope sheave (2); described voussoir (5) is close to and is lifted steel rope (9) and slide on voussoir cover (6); it is characterized in that; also comprise and be used for being clamped in contact roller (3) on the rope sheave (2) lifting steel rope (9); described rope sheave (2) is a friction wheel, and the binary pair that tests the speed (1) connects voussoir (5) by guide rod (4).
2, steel rope overspeed protection safety device as claimed in claim 1 is characterized in that: voussoir (5) driving surface be shaped as plane or curved surface.
3, steel rope overspeed protection safety device as claimed in claim 1 is characterized in that: the described binary pair that tests the speed (1) connects and the control source switch.
4, steel rope overspeed protection safety device as claimed in claim 1 or 2, it is characterized in that: described voussoir is one or more pairs of.
5, steel rope overspeed protection safety device as claimed in claim 1 or 2, it is characterized in that: described voussoir is one or more.
6, steel rope overspeed protection safety device as claimed in claim 1 is characterized in that: described device is an integral body and is fixed on ground or the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095396 CN2753700Y (en) | 2004-11-19 | 2004-11-19 | Steel rope overspeed protection safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095396 CN2753700Y (en) | 2004-11-19 | 2004-11-19 | Steel rope overspeed protection safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2753700Y true CN2753700Y (en) | 2006-01-25 |
Family
ID=35925807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420095396 Expired - Fee Related CN2753700Y (en) | 2004-11-19 | 2004-11-19 | Steel rope overspeed protection safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2753700Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
| CN105540440A (en) * | 2016-01-25 | 2016-05-04 | 系新电子技术（苏州）有限公司 | Monitoring device for hoisting of steel wire rope |
| WO2016095536A1 (en) * | 2014-12-17 | 2016-06-23 | 邹家春 | Power-losing trigger device |
| CN106517016A (en) * | 2016-06-24 | 2017-03-22 | 华北电力大学（保定） | Jacking clamping and broke rope protection mechanism of single-column winch lifting device |
| CN107934821A (en) * | 2017-11-11 | 2018-04-20 | 华强方特（芜湖）文化科技有限公司 | A kind of stage single-point hangs complemental brake system |
| CN112661076A (en) * | 2021-03-17 | 2021-04-16 | 新乡职业技术学院 | Positioning and braking device of cargo lifting equipment |
| WO2021175070A1 (en) * | 2020-03-05 | 2021-09-10 | 无锡瑞吉德机械有限公司 | Heavy-duty centrifuge-triggered safety lock |
| CN113494251A (en) * | 2021-09-07 | 2021-10-12 | 四川瑞卡威新材料科技有限公司 | Slip device of sucker rod |
| CN117068981A (en) * | 2023-10-18 | 2023-11-17 | 阿尔法起重机有限公司 | Anti-falling intelligent winch |
-
2004
- 2004-11-19 CN CN 200420095396 patent/CN2753700Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
| WO2016095536A1 (en) * | 2014-12-17 | 2016-06-23 | 邹家春 | Power-losing trigger device |
| US10144614B2 (en) | 2014-12-17 | 2018-12-04 | Hangzhou Huning Elevator Parts Co., Ltd. | Power-loss triggering device |
| CN105540440A (en) * | 2016-01-25 | 2016-05-04 | 系新电子技术（苏州）有限公司 | Monitoring device for hoisting of steel wire rope |
| CN106517016A (en) * | 2016-06-24 | 2017-03-22 | 华北电力大学（保定） | Jacking clamping and broke rope protection mechanism of single-column winch lifting device |
| CN107934821A (en) * | 2017-11-11 | 2018-04-20 | 华强方特（芜湖）文化科技有限公司 | A kind of stage single-point hangs complemental brake system |
| CN107934821B (en) * | 2017-11-11 | 2023-10-13 | 华强方特（芜湖）文化科技有限公司 | Auxiliary braking device for single-point crane of stage |
| WO2021175070A1 (en) * | 2020-03-05 | 2021-09-10 | 无锡瑞吉德机械有限公司 | Heavy-duty centrifuge-triggered safety lock |
| CN112661076A (en) * | 2021-03-17 | 2021-04-16 | 新乡职业技术学院 | Positioning and braking device of cargo lifting equipment |
| CN112661076B (en) * | 2021-03-17 | 2021-06-01 | 新乡职业技术学院 | Positioning and braking device of cargo lifting equipment |
| CN113494251A (en) * | 2021-09-07 | 2021-10-12 | 四川瑞卡威新材料科技有限公司 | Slip device of sucker rod |
| CN113494251B (en) * | 2021-09-07 | 2021-11-09 | 四川瑞卡威新材料科技有限公司 | Slip device of sucker rod |
| CN117068981A (en) * | 2023-10-18 | 2023-11-17 | 阿尔法起重机有限公司 | Anti-falling intelligent winch |
| CN117068981B (en) * | 2023-10-18 | 2024-01-30 | 阿尔法起重机有限公司 | Anti-falling intelligent winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060125 Termination date: 20101119 |