CN204485132U - A kind of fire-fighting catching device with anti-self-locking device - Google Patents
A kind of fire-fighting catching device with anti-self-locking device Download PDFInfo
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- CN204485132U CN204485132U CN201520073561.4U CN201520073561U CN204485132U CN 204485132 U CN204485132 U CN 204485132U CN 201520073561 U CN201520073561 U CN 201520073561U CN 204485132 U CN204485132 U CN 204485132U
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Abstract
The utility model announces a kind of fire-fighting catching device with anti-self-locking device, belongs to fire-fighting equipment field.This catching device comprises main shaft, I-beam wheel and clockwork spring for being wound around rope are arranged on main shaft, be fixedly connected with I-beam wheel or be wholely set ratchet, the other rotation of ratchet is provided with ratchet, ratchet touches ratchet when accelerating to rotate and rotates locked ratchet, is provided with anti-self-locking device, catching device is provided with anti-self-locking device switch near described ratchet, when opening switch, anti-self-locking device restriction ratchet rotates locked ratchet; During closing switch, ratchet can the locked ratchet of normal rotation.This application of installation is easy to operate in fire-fighting, and neither impact is executed the task and can be prevented is the generation of injures and deaths at accidental falling.
Description
Technical field
The utility model relates to a kind of high-altitude safe protection catching device, and particularly a kind of fire-fighting fire extinguishing with anti-self-locking device is rescued and high-altitude training catching device, belongs to fire-fighting equipment field.
Background technology
When carrying out work high above the ground in outdoor, in order to prevent the unexpected falling from high altitude of personnel, being developed a kind of catching device, being also called speed difference automatic controller.This catching device comprises a rotation and is arranged on rotating shaft on shell, rotating shaft is arranged a clockwork spring, clockwork spring periphery is provided with I-beam wheel, I-beam wheel is wound with anti-fall rope, ratchet has been wholely set in I-beam wheel side and I-beam wheel, the other rotation of ratchet is provided with ratchet, ratchet comprises two teeth, one is locking teeth, one is loosening tooth, ratchet is connected to and determines back-moving spring, when normal speed of travel motion, pull cable tie start building character wheel rotate, the loosening tooth on ratchet is contacted in I-beam wheel rotation process, can not rotate at the pulling force effect bottom ratchet wheel determining back-moving spring, when falling suddenly, ratchet rotary speed strengthens instantaneously, thus, produce larger acceleration, according to momentum theory, this acceleration produces larger power when ratchet can be made to touch the loosening tooth of ratchet, the pulling force of rational design spring, the power that can overcome spring tension of moment is transmitted when ratchet touching loosens tooth when can make to fall suddenly, ratchet is rotated, after rotating, the locking teeth of ratchet can enter into the ratchet on ratchet, realize the auto lock of I-beam wheel, I-beam wheel can not be rotated by locked again, rope no longer can decline.Based on this structural principle, in actual applications catching device is fixed on firm place, rope one end is fixed on the person, or adopts contrary mode, all can realize the transient protection when falling fast to human body.In time rescuing arrival, in catching device, direction loosens rope, under the effect of clockwork spring, I-beam wheel rotates backward, ratchet rotates under the action of the spring, locking teeth can be deviate from realization and be automatically reset from ratchet, due to the anti-fall performance that it is good, be widely applied in construction or other work high above the ground, serve the effect of casualties when reducing operation.People's Armed Police's fire-fighting fire extinguishing rescue or high-altitude training in, utilize this anti-fall device can avoid equally fire fighter aloft operation fall.Owing to not being equipped with this equipment, cause many casualty accidents.Bamboo wood company of Jiangxi Province in 2006 breaking out of fire, 3 firemans unfortunately crash in the industrial well of temperatures as high 80 degree in the process of searching and rescuing trapped personnel, cause two sides officers and men to sacrifice then and there, a major injuries, 2007, Liaoning Province's residential building fire, the protection rope of fireman is blown and born sacrifice by thermal-flame at the scene, Beijing in 2013 market breaking out of fire, because on-the-spot high temperature causes internal steel structure temperature distortion four layers of north side to occur to cave in instantaneously, two firemans sacrifice then and there, 2015 in certain warehouse fire casualty, several fire fighter is caused to sacrifice then and there because building body caves in instantaneously, if be equipped with catching device at that time, this casualty situations can not be freeed, not being equipped with catching device in fire-fighting equipment is not the effect that fire prevention personnel do not know catching device, but because use when current catching device has following defect and is not suitable for fire-fighting operation, one is that usual fire-fighting is on-the-spot and fire fighting rescue task is urgent, fire fighter needs to accelerate to advance in many cases, this acceleration can cause the locking teeth locking ratchet of catching device, may miss an opportunity because of a delay on the contrary, be about at the scene to blast or other peril needs to withdraw time equally can be locked, cause withdrawing from time, two is that the scope of activities of current fire fighter requires large, requirement is had to the configuration minimum length of rope, current catching device clockwork spring is in the centre of I-beam wheel and main shaft, words I-beam wheel being wound around longer rope can cause the diameter of whole catching device very large very heavy, according to market survey, scope of activities is at the safety anti-falling device of 30 meters, and weigh 11-15 kilogram certainly, is not easy to use in fire-fighting operation.
Summary of the invention
For People's Armed Police's fire fighters when fire fighting and rescue, social helping or daily high-altitude are trained; easy generation falling from high altitude; need to carry out anti-falling protection; and must move fast or withdraw scene when needing according to scene; need the restriction not being subject to catching device self-locking in this case; in light of this situation; the utility model provides a kind of fire-fighting catching device with anti-self-locking device; its objective is the falling from high altitude that can prevent People's Armed Police fire fighter, can go to rapidly according to field condition or withdraw scene again.
The technical solution of the utility model is: a kind of fire-fighting catching device with anti-self-locking device, comprise main shaft, I-beam wheel and clockwork spring for being wound around rope are arranged on main shaft, be fixedly connected with I-beam wheel or be wholely set ratchet, the other rotation of ratchet is provided with ratchet, touches ratchet and rotate locked ratchet when ratchet accelerates to rotate, anti-self-locking device is provided with near described ratchet, catching device is provided with anti-self-locking device switch, and when opening switch, anti-self-locking device restriction ratchet rotates locked ratchet, during closing switch, ratchet can the locked ratchet of normal rotation, described anti-self-locking device is arranged on the catching device hull outside near ratchet, spacer pin is provided with in anti-self-locking device, spacer pin is provided with spring compression portion, spacer pin is equipped with spring, spring is between spring compression portion and catching device housing, one end of spacer pin is press button, the other end stretches near ratchet by perforate on catching device housing, press the button switch spacer pin descending restriction ratchet and rotate locked ratchet, described ratchet is saddle, two lower ends of saddle are respectively locking teeth and loosening tooth, described spacer pin is arranged at the outside of loosening tooth or the inner side of locking teeth, described I-beam wheel and going barrel are axially set up in parallel, I-beam wheel and going barrel string are located on same main shaft, described spacer pin bottom is cone-shaped.
The good effect that the utility model has is: when executing the task, and the rope ends of catching device is fixed on firm place.At the fire-fighting catching device of the anti-self-locking device of band that People's Armed Police's fire fighters is fastened in the utility model with it, falling of People's Armed Police's fire fighters can be prevented, by I-beam wheel and going barrel are axially set up in parallel, I-beam wheel and going barrel string are located on same main shaft, the volume of catching device can be reduced, extend rope coiling length in I-beam wheel, by arranging anti-self-locking device on existing catching device, in needs situation, fire fighters can press the press button that anti-self-locking device is arranged, can accelerate to arrive the site of the accident with prestissimo, process emergency, avoid when going to fast, because speed is accelerated, locking catching device, can ensure in very first time process emergency situation, not according under the situation of press button, press button is upspring by the spring of anti-self-locking device automatically, normally play anti-fall effect, by utilizing the catching device of the anti-self-locking device of this band, namely falling of People's Armed Police's fire fighters can be prevented, fire fighters can be made again to arrive fast or withdraw incident place, this apparatus structure is simple, make easily, prevent to increase anti-self-locking device on traditional catching device from locked, in order to meet requirement I-beam wheel being wound around longer rope, going barrel and I-beam wheel are set up in parallel can to realize this device volume less, be applied in fire-fighting easy to operate, can prevent People's Armed Police's fire fighters from being the generation of injures and deaths at accidental falling.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of inside, the utility model front.
Fig. 2 is the schematic diagram of the utility model lateral inner.
Fig. 3 is the schematic diagram of the utility model spacer pin and button.
Detailed description of the invention
In order to explain enforcement of the present utility model more fully, provide embodiment of the present utility model.These embodiments are only the elaborations to this device, do not limit scope of the present utility model.
A kind of fire-fighting catching device with anti-self-locking device, comprise main shaft, I-beam wheel and clockwork spring for being wound around rope are arranged on main shaft, be fixedly connected with I-beam wheel or be wholely set ratchet, the other rotation of ratchet is provided with ratchet, touches ratchet and rotate locked ratchet when ratchet accelerates to rotate, anti-self-locking device is provided with near described ratchet, catching device is provided with anti-self-locking device switch, and when opening switch, anti-self-locking device restriction ratchet rotates locked ratchet, during closing switch, ratchet can the locked ratchet of normal rotation, described anti-self-locking device is arranged on the catching device hull outside near ratchet, spacer pin is provided with in anti-self-locking device, spacer pin is provided with spring compression portion, spacer pin is equipped with spring, spring is between spring compression portion and catching device housing, one end of spacer pin is press button, the other end stretches near ratchet by perforate on catching device housing, press the button switch spacer pin descending restriction ratchet and rotate locked ratchet, described ratchet is saddle, two lower ends of saddle are respectively locking teeth and loosening tooth, described spacer pin is arranged at the outside of loosening tooth or the inner side of locking teeth, described I-beam wheel and going barrel are axially set up in parallel, I-beam wheel and going barrel string are located on same main shaft, described spacer pin bottom is cone-shaped.The back-moving spring of determining be connected in the utility model on ratchet does not illustrate in the drawings, the structure of this part is the same with traditional catching device, the one end of determining back-moving spring is fixed on catching device inner casing, the other end is connected on loosening tooth, when falling ratchet trigger loosen tooth rotate be ratchet rotation lock gear enter ratchet locking time,, determine back-moving spring and pulling force produced to loosening tooth.
Embodiment specifically as shown in drawings, is respectively labeled as in accompanying drawing: 1: shell; 2: main shaft; 3: I-beam wheel; 4: ratchet; 5: going barrel; 6: hanging nose; 7: ratchet; 71: locking teeth; 72: loosen tooth; 8: pawl axis; 9: steel wire rope; 10: spacer pin press button; 11: button box; 13: spring compression portion; 12: spring; 14: spacer pin.The back-moving spring of determining be connected in the utility model on ratchet does not illustrate in the drawings, the structure of this part is the same with traditional catching device, the one end of determining back-moving spring is fixed on catching device inner casing, the other end is connected on loosening tooth, when falling, ratchet triggers that to loosen that tooth rotates be ratchet rotation lock gear when entering ratchet locking, determine back-moving spring to loosening tooth generation pulling force.As shown in the drawings, with the fire-fighting catching device of anti-self-locking device, comprise main shaft 2, main shaft 2 is arranged on shell 1, I-beam wheel 3 and going barrel 5 for being wound around rope are axially disposed in parallel in main shaft 2 along main shaft, rope adopts steel wire rope 9, ratchet 4 has been wholely set with I-beam wheel 3, the other rotation of ratchet 4 is provided with ratchet 7, ratchet 7 is rotated by pawl axis 8 and is arranged on by ratchet, catching device shell 1 near ratchet 4 is provided with spacer pin 14, spacer pin 14 is provided with spring compression portion 13, spacer pin 14 is equipped with spring 12, spring 12 is between spring compression portion 13 and catching device housing, shell 1 connects button box 11 is set for positioning limit pin 14, one end of spacer pin 14 is spacer pin press button 10, spacer pin 14 other end stretches near ratchet 4 by the perforate on catching device shell, press the descending restriction ratchet 7 of spacer pin press button 10 spacer pin to rotate, at this moment to draw when accelerating in the process of steel wire rope 9 ratchet 7 can not locked ratchet 4 again, ratchet 7 is saddle, two lower ends of saddle are respectively locking teeth 71 and loosening tooth 72, spacer pin 14 can be arranged at the outside of loosening tooth 71 or the inner side of locking teeth 72, spacer pin shown in figure is arranged on the outside of loosening tooth 71, for the ease of descending, spacer pin 14 bottom adopts cone-shaped.The course of work of the present utility model is: in use, the end winding support of the steel wire rope of being drawn by catching device is at firm place, this catching device ties up to the waist of fire fighter by hanging nose 6, at emergency escape or when needing to move at top speed, at this moment catching device can not open anti-drop function, the spacer pin press button only needing fire fighter to pin this device in moving process can limit ratchet and rotate locked ratchet, this device can not be locked, when needing the anti-drop function normally realizing this device, only need unclamp spacer pin press button, spacer pin is upspring under the action of the spring, spacer pin no longer stops ratchet to rotate, this device can the same with traditional catching device when suddenly dropping the locked ratchet of ratchet, prevent unexpected fall and occur time cause the injures and deaths of personnel.
After detailed description embodiment of the present utility model, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the scope of technical solutions of the utility model, and the utility model is not also limited to the embodiment of example in description.
Claims (5)
1. the fire-fighting catching device of the anti-self-locking device of band, comprise main shaft, I-beam wheel and clockwork spring for being wound around rope are arranged on main shaft, be fixedly connected with I-beam wheel or be wholely set ratchet, the other rotation of ratchet is provided with ratchet, touches ratchet and rotate locked ratchet when ratchet accelerates to rotate, it is characterized in that: near described ratchet, be provided with anti-self-locking device, catching device is provided with anti-self-locking device switch, and when opening switch, anti-self-locking device restriction ratchet rotates locked ratchet; During closing switch, ratchet can the locked ratchet of normal rotation.
2. a kind of fire-fighting catching device with anti-self-locking device according to claim 1, it is characterized in that: described anti-self-locking device is arranged on the catching device hull outside near ratchet, spacer pin is provided with in anti-self-locking device, spacer pin is provided with spring compression portion, spacer pin is equipped with spring, spring is between spring compression portion and catching device housing, one end of spacer pin is press button, the other end stretches near ratchet by perforate on catching device housing, presses the button switch spacer pin descending restriction ratchet and rotates locked ratchet.
3. a kind of fire-fighting catching device with anti-self-locking device according to claim 2, it is characterized in that: described ratchet is saddle, two lower ends of saddle are respectively locking teeth and loosening tooth, and described spacer pin is arranged at the outside of loosening tooth or the inner side of locking teeth.
4. a kind of fire-fighting catching device with anti-self-locking device according to claim 1, is characterized in that: described I-beam wheel and going barrel are axially set up in parallel, and I-beam wheel and going barrel string are located on same main shaft.
5. a kind of fire-fighting catching device with anti-self-locking device according to claim 2, is characterized in that: described spacer pin bottom is cone-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073561.4U CN204485132U (en) | 2015-02-03 | 2015-02-03 | A kind of fire-fighting catching device with anti-self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073561.4U CN204485132U (en) | 2015-02-03 | 2015-02-03 | A kind of fire-fighting catching device with anti-self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204485132U true CN204485132U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520073561.4U Expired - Fee Related CN204485132U (en) | 2015-02-03 | 2015-02-03 | A kind of fire-fighting catching device with anti-self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204485132U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193737A (en) * | 2016-08-24 | 2016-12-07 | 湖南泰安智能立体车库设备有限公司 | A kind of falling-prevention protecting device and there is the multi-storied garage of anti-fall insurance function |
| CN109380816A (en) * | 2018-11-12 | 2019-02-26 | 太湖县和顺汽车配件有限公司 | A kind of higher construction worker's safety belt lock catch of more convenient reliability |
| CN110075433A (en) * | 2018-01-25 | 2019-08-02 | 东莞市红火安全科技有限公司 | A kind of rate controlling catching device |
| CN111228676A (en) * | 2020-01-15 | 2020-06-05 | 陈景顺 | Safety rope anti-impact device for base station signal tower |
| CN111921122A (en) * | 2020-08-24 | 2020-11-13 | 杭州合泰安防科技有限公司 | High-reliability falling protector |
| CN112136550A (en) * | 2020-09-09 | 2020-12-29 | 景宁畲族自治县牧风工艺品厂 | Box is planted to integration that is not hard up and irrigates to soil |
| CN115721886A (en) * | 2021-08-30 | 2023-03-03 | 中油国家油气钻井装备工程技术研究中心有限公司 | Anti-falling climbing ladder power assisting device |
-
2015
- 2015-02-03 CN CN201520073561.4U patent/CN204485132U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193737A (en) * | 2016-08-24 | 2016-12-07 | 湖南泰安智能立体车库设备有限公司 | A kind of falling-prevention protecting device and there is the multi-storied garage of anti-fall insurance function |
| CN106193737B (en) * | 2016-08-24 | 2019-04-26 | 湖南泰安智能立体车库设备有限公司 | A kind of falling-prevention protecting device and the stereo garage with anti-fall insurance function |
| CN110075433A (en) * | 2018-01-25 | 2019-08-02 | 东莞市红火安全科技有限公司 | A kind of rate controlling catching device |
| CN109380816A (en) * | 2018-11-12 | 2019-02-26 | 太湖县和顺汽车配件有限公司 | A kind of higher construction worker's safety belt lock catch of more convenient reliability |
| CN111228676A (en) * | 2020-01-15 | 2020-06-05 | 陈景顺 | Safety rope anti-impact device for base station signal tower |
| CN111921122A (en) * | 2020-08-24 | 2020-11-13 | 杭州合泰安防科技有限公司 | High-reliability falling protector |
| CN112136550A (en) * | 2020-09-09 | 2020-12-29 | 景宁畲族自治县牧风工艺品厂 | Box is planted to integration that is not hard up and irrigates to soil |
| CN115721886A (en) * | 2021-08-30 | 2023-03-03 | 中油国家油气钻井装备工程技术研究中心有限公司 | Anti-falling climbing ladder power assisting device |
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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: 20150722 Termination date: 20170203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |