CN201727853U - High altitude rescue lifting device - Google Patents
High altitude rescue lifting device Download PDFInfo
- Publication number
- CN201727853U CN201727853U CN2010202531905U CN201020253190U CN201727853U CN 201727853 U CN201727853 U CN 201727853U CN 2010202531905 U CN2010202531905 U CN 2010202531905U CN 201020253190 U CN201020253190 U CN 201020253190U CN 201727853 U CN201727853 U CN 201727853U
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- contact roller
- steel wire
- wire rope
- bearing pin
- stabilizer
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Abstract
The utility model discloses a high altitude rescue lifting device, wherein a steel wire rope 15 led out from a steel wire rope fixed end 18 passes through guide pulleys 12 and 13, and is then changed into a steel wire rope free end 18 through a balanced friction brake mechanism; and the upper surface of the balanced friction brake mechanism is provided with a screw drive mechanism. The device uses the self gravity of a user to provide friction, the friction equal to gravity is provided along with the change of the self gravity of the user, fussy adjustment on the mechanism is not needed in advance, under the same functions, the device is simple in structure and high in mechanical strength, is convenient in using and carrying, has unidirectional self-locking function, and can be applicable to rescue operation, traveling, mountain-climbing, exploration and other fields.
Description
Technical field
The utility model is about height rescue equipment, relates in particular to a kind of lowering or hoisting gear of height rescue that can simple and easy speed governing.
Background technology
At present, domestic and international existing slow descending device primary structure has: centrifugal, air damp type, Hydrautic damping, spring damping formula or the like.Existing rescue class descending lifeline of a great variety, each is variant for design principle, but final design focal point all is the at the uniform velocity decline that how to guarantee descending lifeline, and user's safety is landed.In the processing of this problem, some product needed manually provide a controlled external force that different frictional force is provided, and allow frictional force remove balance Different Weight people's gravity.Therefore, often need regulate slow descending device in advance at the people of Different Weight, otherwise just can't guarantee the purpose that at the uniform velocity descends, this needs to consider to regulate a series of problems such as sensitivity again.Returning on the scheme of processing descending lifeline, the scheme of some mechanisms is too complicated, and some does not then possess the function of returning the rescue of field conduct secondary, can only once rescue or save oneself.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, mechanical strength is high, easy to operate, safe and reliable, multi-functional height rescue lowering or hoisting gear.This device can provide the frictional force of suitable gravity with the change of human body self gravity, and need not to regulate in advance, and have the unidirectional self-lock function, but the fast return rescue site.
The utility model is achieved by the following technical programs:
A kind of height rescue lowering or hoisting gear, comprise steel wire rope and shell, it is characterized in that, the steel wire rope 15 that steel wire rope stiff end 18 is drawn is by directive wheel 12 and 13, change steel wire rope free end 19 into by balance friction catch mechanism again, be provided with screw-drive mechanism above the described balance friction catch mechanism;
Described balance friction catch mechanism comprises stabilizer 1, reinforcement directive wheel 2, friction shoe 3, contact roller gripper shoe 4 contact rollers 6 and lever 7; Described stabilizer 1, reinforcement directive wheel 2 and contact roller 6 are arranged on the lower end of shell, are provided with friction shoe 3 below the contact roller (6), and the front and back of friction shoe 3 respectively are provided with contact roller gripper shoe 4, and contact roller 6 is arranged between the two contact roller gripper shoes 4; The steel wire rope 15 that enters balance friction catch mechanism changes steel wire rope free end 19 into by stabilizer 1, reinforcement directive wheel 2 and contact roller 6; Be provided with shifting chute 21 above the described contact roller gripper shoe 4, the home position of contact roller 6 and stabilizer 1 is provided with contact roller bearing pin 5 and stabilizer bearing pin 22; Described lever 7 is on the contact roller bearing pin 5 of ∏ shape, the stabilizer bearing pin 22 that is fixed on stabilizer 1 and contact roller 6, the top of lever 7 is provided with elongated slot 20, be provided with fulcrum slide block bearing pin 17 in the elongated slot 20, fulcrum slide block bearing pin 17 is the fulcrum of lever 7, can be in elongated slot 20 move left and right, and stabilizer 1, contact roller 6 rotate relative to fulcrum with lever 7; Contact roller 6 vertically moves in the shifting chute 21 of contact roller gripper shoe 4 and self rotates by contact roller bearing pin 5 and produces frictional force so that steel wire rope is pressed on the friction shoe 3; Directive wheel 13 is provided with extension spring 23 with the proximity of lever 7;
Described screw-drive mechanism is made up of leading screw 9, handle 10, two bearings 11, fulcrum slide block 8, guide rail 16, and described leading screw 9 is fixed in the middle of the two bearings 11, and handle 10 is rigidly connected with leading screw 9, and rotational lead screw 9 drives fulcrum slide block 8 and slides in guide rail 16;
Screw-drive mechanism is connected by fulcrum slide block 8 with balance friction catch mechanism, and the lower end of fulcrum slide block 8 is the fulcrum slide block bearing pin 17 of balance friction catch mechanism.
The utility model apparent size is 240 * 220 * 60mm.
The diameter of the utility model steel wire rope 15 is 3-5mm.
The beneficial effects of the utility model are, provide a kind of under the function of as much, simple in structure, and the mechanical strength height is easy to use, and profile is small and exquisite, portable height rescue lowering or hoisting gear.This device utilizes user's self gravity that frictional force is provided, and provides the frictional force of suitable gravity size with the change of human body self gravity, need not in advance mechanism to be carried out loaded down with trivial details adjusting, and simple to operate, safe and reliable.On the processing scheme of returning, this mechanism has the unidirectional self-lock function, descending lifeline has frictional resistance to steel wire rope during decline, in-house when zero load is returned almost do not have resistance to steel wire rope, and can spur the steel wire rope free end by external equipment, the fast return rescue site is implemented the secondary rescue task.
Description of drawings
Fig. 1 is the utility model height rescue lowering or hoisting gear schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is a contact roller supporting plate structure schematic diagram;
Fig. 5 is the free sagging mounting means schematic diagram of single single line of saving oneself;
Fig. 6 is single installation fixed pulley mode schematic diagram of saving oneself;
Fig. 7 is the mounting means schematic diagram of rescuing one to one;
Fig. 8 is the mounting means schematic diagram that many people escape continuously fast.
Description of reference numerals is as follows:
1---stabilizer 2---reinforcement directive wheel 3---friction shoe
4---contact roller gripper shoe 5---contact roller bearing pin 6---contact rollers
7---lever 8---fulcrum slide block 9---leading screws
10---handle 11---bearing 12,13---directive wheels
14---shell bottom surface 15---steel wire rope 16---guide rails
17---fulcrum slide block bearing pin 18---steel wire rope stiff end 19---steel wire rope free ends
20---elongated slot 21---shifting chute 22---stabilizer bearing pins
23---extension spring
The specific embodiment
The utility model adopts conventional material and conventional manufacturing process to be prepared.
The utility model mainly utilizes lever principle, user's self gravity is acted on lever one end, at the other end steel wire rope is produced corresponding thrust, thereby the deadweight that this thrust makes friction plate and steel wire rope produce certain frictional force balance human body at the uniform velocity down will guarantee.The different thrust of fulcrum generation by adjustment (adjusting) lever is regulated frictional force, if make frictional force greater than gravity, down will just can slow down.
It is the steel wire rope of 3-5mm that the utility model adopts diameter, steel wire rope stiff end 18 is drawn steel wire rope 15, by directive wheel 12 and 13, change steel wire rope free end 19 into by balance friction catch mechanism again, be provided with screw-drive mechanism above the described balance friction catch mechanism;
Described balance friction catch mechanism comprises stabilizer 1, reinforcement directive wheel 2, friction shoe 3, contact roller gripper shoe 4 contact rollers 6 and lever 7; Described stabilizer 1, reinforcement directive wheel 2 and contact roller 6 are arranged on the lower end of shell, are provided with friction shoe 3 below the contact roller 6, and the front and back of friction shoe 3 respectively are provided with contact roller gripper shoe 4, and contact roller 6 is arranged between the two contact roller gripper shoes 4; The steel wire rope 15 that enters balance friction catch mechanism changes steel wire rope free end 19 into by stabilizer 1, reinforcement directive wheel 2 and contact roller 6; Be provided with shifting chute 21 above the described contact roller gripper shoe 4, the home position of contact roller 6 and stabilizer 1 is provided with contact roller bearing pin 5 and stabilizer bearing pin 22; Described lever 7 is on the contact roller bearing pin 5 of ∏ shape, the stabilizer bearing pin 22 that is fixed on stabilizer 1 and contact roller 6, the top of lever 7 is provided with elongated slot 20, be provided with fulcrum slide block bearing pin 17 in the elongated slot 20, fulcrum slide block bearing pin 17 is the fulcrum of lever 7, can be in elongated slot 20 move left and right, and stabilizer 1, contact roller 6 rotate relative to fulcrum with lever 7; Contact roller 6 vertically moves in the shifting chute 21 of contact roller gripper shoe (4) and self rotates by contact roller bearing pin 5 and produces frictional force so that steel wire rope is pressed on the friction shoe 3, comes balance user's gravity; Directive wheel 13 is provided with extension spring 23 with the proximity of lever 7;
Described screw-drive mechanism is made up of leading screw 9, handle 10, two bearings 11, fulcrum slide block 8, guide rail 16, described leading screw 9 is fixed in the middle of the two bearings 11, guide rail 16 is fixing with shell 14, handle 10 is rigidly connected with leading screw 9, regulate the position of fulcrum slide block 8 in guide rail 16 by handle 10 rotary screw rods 9, the change lever is moving, the ratio of resistance arm, regulates 6 pairs of steel wire ropes of contact roller and produces thrust, thereby adjusting frictional resistance is realized hovering, anxious stop and at the uniform velocity;
Screw-drive mechanism is connected by fulcrum slide block 8 with balance friction catch mechanism, and the lower end of fulcrum slide block 8 is the fulcrum slide block bearing pin 17 of balance friction catch mechanism.
The main installation process that the utility model adopts is as follows:
Earlier leading screw 9 is packed in the fulcrum slide block 8, again with the fixing leading screw 9 of two bearings 11, with fulcrum slide block 8 guide rail 16 of packing into, and by bearing spider that two side rails are fixedly connected.
With contact roller 6 lever 7 of packing into, connect contact roller gripper shoe 4 again, again contact roller gripper shoe 4 is installed on the friction shoe 3.
At last guide rail 16, friction shoe 3 are fixed on shell bottom surface 14; Again directive wheel 12,13, reinforcement directive wheel 2 usefulness bearing pins are fixed in shell bottom surface and outer casing frontispiece.
Adopt slight interference to cooperate between contact roller gripper shoe 4 of the present utility model and the friction shoe 3, thereby guarantee that accurately the position between contact roller gripper shoe and the friction shoe concerns.
Want strict guarantee contact roller gripper shoe 4 and friction shoe 3 each dimensional accuracy; Also want the axiality of cylindrical and its bearing pin endoporus of strict guarantee contact roller 6.
Decline function of the present utility model: fix by safety belt and the utility model, the gravity of human body passes on the lever through steel wire rope, and the fulcrum right-hand member is a power arm, and left end is a resistance arm.Balance pivot is when moving to left, and power arm increases, and resistance arm reduces, and contact roller increases the pressure of steel wire rope, and frictional force also increases simultaneously.When frictional force equates with people's gravity, can realize at the uniform velocity descending, when frictional force during greater than people's gravity, can realize slowing down descends.
Rising function of the present utility model: the free end of pulling steel wire rope, lever moving arm and resistance arm exchange, and at this moment, 6 pairs of steel wire ropes 15 of contact roller do not have pressure, have the unidirectional self-lock function, can realize that intermittently safety upwards promotes; Unclamp free end, contact roller 6 compresses steel wire rope 15 again, prevents from.According to this, under load or Light Condition, can spur the steel wire rope free end or, control the intermittently rising of this device by other external equipment coiling steel wire rope free end.
The utility model can also pass through different mounting means except the decline and rising function that have, realize multiple function conversion, thereby tackle different rescue sites.
Function one: single saving oneself.
Adopt the free sagging mounting means of single line, can reduce the card security of trying hard to keep that internal mechanism bears by fixed pulley is installed for body weight the greater, as shown in Figure 5 and Figure 6.
Function two: rescue one to one.
The ground rescuer implements rescue to the high-altitude victim.The rope free end is walked around fixed pulley, and the rescuer directs the rescue operations to rescue site by pulling rope free end (or by ground hoist engine) lifting oneself, implements rescue, as shown in Figure 7.
Function three: many people are escape fast continuously.
Two cover same mechanism are used in combination.Can realize two covering devices one on the other by mechanism's combination, thereby rescue work is carried out continuously, as shown in Figure 8.
The utility model also can be applicable to occasions such as tourism, mountain-climbing, exploration except that being used for rescue work.
Claims (3)
1. height rescue lowering or hoisting gear, comprise steel wire rope and shell, it is characterized in that, the steel wire rope (15) that steel wire rope stiff end (18) is drawn is by directive wheel (12) and (13), change steel wire rope free end (19) into by balance friction catch mechanism again, be provided with screw-drive mechanism above the described balance friction catch mechanism;
Described balance friction catch mechanism comprises stabilizer (1), reinforcement directive wheel (2), friction shoe (3), contact roller gripper shoe (4) contact roller (6) and lever (7); Described stabilizer (1), reinforcement directive wheel (2) and contact roller (6) are arranged on the lower end of shell, be provided with friction shoe (3) below the contact roller (6), the front and back of friction shoe (3) respectively are provided with contact roller gripper shoe (4), and contact roller (6) is arranged between the two contact roller gripper shoes (4); The steel wire rope (15) that enters balance friction catch mechanism changes steel wire rope free end (19) into by stabilizer (1), reinforcement directive wheel (2) and contact roller (6); Be provided with shifting chute (21) above the described contact roller gripper shoe (4), the home position of contact roller (6) and stabilizer (1) is provided with contact roller bearing pin (5) and stabilizer bearing pin (22); Described lever (7) is on the contact roller bearing pin (5) of ∏ shape, the stabilizer bearing pin (22) that is fixed on stabilizer (1) and contact roller (6), the top of lever (7) is provided with elongated slot (20), be provided with fulcrum slide block bearing pin (17) in the elongated slot (20), fulcrum slide block bearing pin (17) is the fulcrum of lever (7), can be in elongated slot (20) move left and right, and stabilizer (1), contact roller (6) rotate relative to fulcrum with lever (7); Contact roller (6) vertically moves in the shifting chute (21) of contact roller gripper shoe (4) and self rotates steel wire rope is pressed on friction shoe (3) by contact roller bearing pin (5) and upward produces frictional force; The proximity of the bearing pin of directive wheel (13) and lever (7) is provided with extension spring (23); Described screw-drive mechanism is made up of leading screw (9), handle (10), two bearings (11), fulcrum slide block (8), guide rail (16), described leading screw (9) is fixed in the middle of the two bearings (11), handle (10) is rigidly connected with leading screw (9), and rotational lead screw (9) drives fulcrum slide block (8) and slides in guide rail (16);
Screw-drive mechanism is connected by fulcrum slide block (8) with balance friction catch mechanism, and the lower end of fulcrum slide block (8) is the fulcrum slide block bearing pin (17) of balance friction catch mechanism.
2. according to the height rescue lowering or hoisting gear of claim 1, it is characterized in that its apparent size is 240 * 220 * 60mm.
3. according to the height rescue lowering or hoisting gear of claim 1, it is characterized in that the diameter of steel wire rope (15) is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531905U CN201727853U (en) | 2010-07-09 | 2010-07-09 | High altitude rescue lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531905U CN201727853U (en) | 2010-07-09 | 2010-07-09 | High altitude rescue lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201727853U true CN201727853U (en) | 2011-02-02 |
Family
ID=43519011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202531905U Expired - Fee Related CN201727853U (en) | 2010-07-09 | 2010-07-09 | High altitude rescue lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201727853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302148A (en) * | 2020-03-25 | 2020-06-19 | 翱文狄风电设备制造(上海)有限公司 | Steel wire rope pay-off device for mounting elevator in tower barrel of wind driven generator |
-
2010
- 2010-07-09 CN CN2010202531905U patent/CN201727853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302148A (en) * | 2020-03-25 | 2020-06-19 | 翱文狄风电设备制造(上海)有限公司 | Steel wire rope pay-off device for mounting elevator in tower barrel of wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Xinglong Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130709 |