CN2570232Y - Vertical-lift system overwind distance internal plastic non-return buffer unit - Google Patents
Vertical-lift system overwind distance internal plastic non-return buffer unit Download PDFInfo
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- CN2570232Y CN2570232Y CN 02278140 CN02278140U CN2570232Y CN 2570232 Y CN2570232 Y CN 2570232Y CN 02278140 CN02278140 CN 02278140 CN 02278140 U CN02278140 U CN 02278140U CN 2570232 Y CN2570232 Y CN 2570232Y
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Abstract
The utility model relates to a buffering device, which is arranged and used in an overwinding (or overfall) distance in a vertically lifting system, the plastic deformation of metal materials is used for absorbing the kinetic energy of a lifting container to conduct braking, and the lifting container can be prevented from sliding down in an inverse direction (or rebound). The utility model is used for overcoming the abuse that the structure of the prior art is simple and rough, or the down slide in the inverse direction can not be prevented, or reliability is low, etc. The utility model is provided with two fixed hollow sleeve poles, the inner parts of the sleeve poles are provided with hollow slide poles which can slide, and two slide poles are crossly supported through a cross beam. The effect that a plastic deformation steel belt (or long rods of other sections, ropes, etc.) is penetrated through the hollow sleeve poles and the slide poles can be generated, both ends are arranged on and connected to the sleeve poles, and each slide pole is provided with a group of (three) press rollers. When the slide poles move, the press rollers are driven to make the steel belt generate S-shaped plastic deformation in a mandatory mode so as to generate buffering braking force. The utility model can be widely used for the safe protection of lifting systems in a coal mine or other industrial and civil engineering.
Description
Technical field
The utility model relates to the overwinding safety gears of vertical hoisting system in mine or other industry and the civil engineering.Can realize pulleying lifting container at full speed in overwind clearance gradual braking and prevent the lifting container braking after reverse downslide or bounce-back, can be located within the overwind clearance of vertical hoisting system upper/lower terminal (install conversely the down-hole).
Background technology
At present, in order to guarantee the safety of coal mine shaft lining elevator system, early there is explicit stipulation in country in " safety regulations in coal mine ": " in overwind height or distance of overfall, should establish the shock absorber of dependable performance.Shock absorber should be able to stop the container or the bob-weight of full speed pulleying (cross and put) reposefully, and guarantee no longer oppositely to glide (or bounce-back)." but the at present domestic still incompetent shock absorber that fully satisfies this requirement, as widely used wooden wedge guide, owing to be subjected to the influence of air humidity, temperature, wood grain difference, reliability is difficult to guarantee.Though and steel rope twines the drum-type friction shock absorber and can play certain buffer action, can not prevent the reverse downslide of lifting container fully, and friction braking itself is subject to external environment influence, is unsuitable for the pit shaft harsh conditions.
Summary of the invention
The purpose of this utility model is to provide a kind of reasonable in design, safe and reliable interior shock absorber of vertical shaft hoisting overwind clearance, to satisfy the safe operation of active vertical elevator system.
The purpose of this utility model is achieved in that it has two fixing hollow sleeve poles 1, has 2, two travellers of traveller of the hollow that can slide by crossbeam 3 cross-arms in the every sleeve column.Power-absorbing steel band 4 (or the stock in other cross section, rope etc.) passes through the sleeve column 1 and the traveller 2 of hollow, and the two ends of steel band 4 are connected in the two ends of sleeve column 1.Pressure roller group 5 is housed on the traveller 2.When traveller 2 moved in sleeve column 1, pressure roller group 5 compressing steel bands 4 produced the distortion of moulding property of S, and the resistance or the reverse check power of braking buffering is provided; Check dead bolt 6 also is housed on the traveller 2, when traveller 2 in sleeve column 1 during setting in motion, check dead bolt 6 is with traveller 2 motions, the inclined-plane at check dead bolt 6 rear portions is subjected to fixed sleeve column 1 compressing simultaneously, the check dead bolt is extend on the lifting container 12 under the dish, thereby realize the check function.
Fixedly bend 7 is housed on the above-mentioned sleeve column 1, when the starting stage of traveller 2 setting in motions, be subjected to the fixedly motion of bend 7 compressing generation horizontal directions with the middle pressure roller 5z in the pressure roller group 5 of traveller 2 motions, the deflection of steel band 4 is increased gradually, the braking cushion effect increases thereupon, makes braking procedure more steady.
The middle pressure roller 5z of above-mentioned pressure roller group 5 is made of lock core 8, spring 9 and roller shell 10.
Be provided with disk spring group 11 in the above-mentioned steel band 4 and the draw bail of sleeve column 1, become the required elongation of S shape by linearity with compensation steel band 4.
Advantage of the present utility model is: utilize plastic deformation of metal material to realize that energy-absorbing buffering, its braking characteristics are not subjected to that environmental conditions is time dependent to be influenced, thereby have the braking buffering reliability of height.The action of check dead bolt 6 is forced to guarantee by mechanical mechanism, propulsion source is from the motion of lifting container 12, in the process of braking, under the check dead bolt at first stretches into and coils on the container, move with traveller 2 and container afterwards, no matter container any point stop motion in braking distance, it oppositely glides and is all stoped by the check dead bolt, therefore has the reliability of anti-fall, the fall arrest of height equally.In the starting stage that begins to brake, employing fixedly bend progressively increases the deflection of steel band, makes braking more steady, has good braking cushion characteristic.Adopt the frame of sleeve column, make its installation very convenient, and have the effect of protecting jacket concurrently as this device.Device is had an effect the back recovery simply, and is reusable, need not daily attention.Space length between check dead bolt and the crossbeam, can set according to the requirement of lifting container, thick, thin, the width and the material of steel band can be set according to the quality and the load of lifting container, therefore, this utility model has very strong applicability, can be used for lifting container, bob-weight of various types etc.Since the check dead bolt stretch out and the pressure roller group in the relative position of each pressure roller guarantee by compulsory mechanical force that from theory of machines this compulsory mechanical force is provided by the motion of lifting container itself.Therefore this utility model has high reliability, and this point is that operating principle, the energy-absorbing buffering principle of this device determines, also is the primary requirement of safety apparatus simultaneously.
Description of drawings
Fig. 1 is structure of the present utility model and operating principle scheme drawing.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the structural representation of middle pressure roller 5z.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the structural representation of the lock core 8 of pressure roller 5z.
Fig. 6 is the lateral plan of Fig. 5.
The specific embodiment
The disclosed structure of above accompanying drawing is exactly embodiment of the present utility model.1 is sleeve column among the figure; 2 is traveller; 3 is crossbeam; 4 is the power-absorbing steel band; 5 are pressure roller group (wherein 5z is middle pressure roller); 6 is the check dead bolt; 7 is bend; 8 is the lock core of middle pressure roller; 9 is spring; 10 is roller shell; 11 are steel band initial deformation compensation pressurized disk spring group; 12 is lifting container.
Separate unit flow check shock absorber is made up of two sleeve columns, two travellers, a crossbeam in the utility model.Sleeve column 1 connects firmly with each layer (derrick) beam or the platform of institute installation site.Steel band 4 and disk spring group 11, bend 7 etc. are installed on the fixing sleeve column 1; Pressure roller group 5, check dead bolt 6 are installed on the traveller 2, two travellers 2 of crossbeam 3 cross-arms.When crossbeam 3 was promoted by the lifting container 12 of pulleying, two travellers 2 were with crossbeam 3 motions, and traveller 2 slides in sleeve column 1.Have corresponding slotted eye on the sleeve column 1, crossbeam 3, check dead bolt 6 etc. can be moved in slotted eye in cushion stroke.The utility model can use in groups.
Fundamental operation principle of the present utility model is: when the lifting container 12 of pulleying rising began to promote crossbeam 3 upward movements of shock absorber in overwind clearance, crossbeam 3 cross-arms the together upwards operation of two travellers 2.When traveller 2 upwards slides in sleeve column 1, check dead bolt 6 is with traveller 2 upward movements, the inclined-plane in check dead bolt 6 outsides is fixed pressing down of (static) sleeve column 1 and is stretched out to the inside simultaneously, pinning withstands on the lifting container under the crossbeam 3, traveller 2, crossbeam 3 are associated in the lifting container lock, all must move together up or down; Equally, pressure roller group 5 is also up with traveller 2, parallel motion is made in pressure roller 5z bend 7 compressings that are fixed simultaneously in the middle of it, the motion of pressure roller group makes passes through sleeve column, the steel band 4 at traveller center produces the distortion of moulding property of S, and in the segment of curve of bend 7, progressively increase, buffer-braking power also increases thereupon, when middle pressure roller 5z walks on the bend 7 linear portion, its lock core 8 ejects under the effect of spring 9 and inserts in the traveller 2 corresponding holes, makes the relative position locking between each pressure roller, thereafter, no matter traveller 2 is upwards, still move downward, all be subject to the deformation force that steel band 4 is determined, just buffer-braking power or check power.Under the synergy of crossbeam 3, traveller 2, power-absorbing steel band 4, pressure roller group 5, check dead bolt 6, the lifting container of pulleying can be in the overwind clearance that allows buffer-braking reliably, promptly remain on this point after stopping to rise and no longer oppositely glide.Power that makes progress of lifting container is given earlier in accident post-processing (release lifting container), and its gravity is no longer acted on the check dead bolt, then from the slotted eye in sleeve column 1 outside pull out dead bolt 6 can make lifting container transfer by.
Claims (4)
1, in a kind of vertical hoisting system in pulleying (or cross put) distance kinetic energy that install and use, that utilize plastic deformation of metal material to absorb lifting container brake and prevent oppositely the glide shock absorber of (or bounce-back) of lifting container, it is characterized in that: it has two fixing sleeve columns (1), be provided with the hollow traveller (2) that can slide, two travellers in the sleeve column by crossbeam (3) cross-arm, steel band (4) passes through hollow from the center sleeve column (1) and traveller (2) are housed in sleeve column (1), pressure roller group (5) and check dead bolt (6) are housed on the traveller (2).
2, shock absorber according to claim 1 is characterized in that: above-mentioned sleeve column (1) is provided with bend (7).
3, shock absorber according to claim 1 is characterized in that: the middle pressure roller (5z) of above-mentioned pressure roller group (5) is to be made of lock core (8), spring (9) and roller shell (10).
4, shock absorber according to claim 1 is characterized in that: be provided with a disk spring group (11) in the draw bail of above-mentioned steel band (4) and sleeve column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02278140 CN2570232Y (en) | 2002-06-27 | 2002-06-27 | Vertical-lift system overwind distance internal plastic non-return buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02278140 CN2570232Y (en) | 2002-06-27 | 2002-06-27 | Vertical-lift system overwind distance internal plastic non-return buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570232Y true CN2570232Y (en) | 2003-09-03 |
Family
ID=33741541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02278140 Expired - Lifetime CN2570232Y (en) | 2002-06-27 | 2002-06-27 | Vertical-lift system overwind distance internal plastic non-return buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570232Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275794A (en) * | 2011-07-12 | 2011-12-14 | 徐州煤矿安全设备制造有限公司 | Steel wire rope deformation energy over-winding and over-unwinding buffer supporting tank device |
| CN102674107A (en) * | 2012-06-05 | 2012-09-19 | 太原理工大学 | Pulleying cushioning device of mine vertical shaft hoisting system |
| CN105263846A (en) * | 2013-06-07 | 2016-01-20 | 技术资源有限公司 | Overwind conveyance drop protection |
| CN105668376A (en) * | 2016-04-26 | 2016-06-15 | 黄河科技学院 | Elevator lifting device |
| CN106494961A (en) * | 2016-12-05 | 2017-03-15 | 中国矿业大学 | A kind of deep-well lift system overtravel protection method and apparatus |
| CN106564808A (en) * | 2016-10-17 | 2017-04-19 | 太原理工大学 | Overwinding buffering device and method for perpendicular lifting system |
| CN110435708A (en) * | 2019-08-20 | 2019-11-12 | 武汉市云竹机电新技术开发有限公司 | The disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling |
| CN110466559A (en) * | 2019-08-20 | 2019-11-19 | 武汉市云竹机电新技术开发有限公司 | The self-locking buffer brake device of prevention of sliding-down in inclined well unhook |
| CN113911875A (en) * | 2021-08-27 | 2022-01-11 | 中国矿业大学 | Overwinding protection device and method for deep well large-tonnage lifting system |
-
2002
- 2002-06-27 CN CN 02278140 patent/CN2570232Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275794A (en) * | 2011-07-12 | 2011-12-14 | 徐州煤矿安全设备制造有限公司 | Steel wire rope deformation energy over-winding and over-unwinding buffer supporting tank device |
| CN102275794B (en) * | 2011-07-12 | 2014-04-02 | 徐州煤矿安全设备制造有限公司 | Steel wire rope deformation energy over-winding and over-unwinding buffer supporting tank device |
| CN102674107A (en) * | 2012-06-05 | 2012-09-19 | 太原理工大学 | Pulleying cushioning device of mine vertical shaft hoisting system |
| CN105263846A (en) * | 2013-06-07 | 2016-01-20 | 技术资源有限公司 | Overwind conveyance drop protection |
| CN105263846B (en) * | 2013-06-07 | 2019-02-05 | 技术资源有限公司 | The decline protection of pulleying means of transport |
| US10150649B2 (en) | 2013-06-07 | 2018-12-11 | Technological Resources Pty. Limited | Overwind conveyance drop protection |
| CN105668376A (en) * | 2016-04-26 | 2016-06-15 | 黄河科技学院 | Elevator lifting device |
| CN105668376B (en) * | 2016-04-26 | 2017-11-24 | 黄河科技学院 | Elevator hoist apparatus |
| WO2018072228A1 (en) * | 2016-10-17 | 2018-04-26 | 太原理工大学 | Overwinding buffer device and method for vertical hoisting system |
| CN106564808A (en) * | 2016-10-17 | 2017-04-19 | 太原理工大学 | Overwinding buffering device and method for perpendicular lifting system |
| CN106564808B (en) * | 2016-10-17 | 2019-09-17 | 太原理工大学 | A kind of vertical hoisting system overwinding buffer |
| US11174125B2 (en) | 2016-10-17 | 2021-11-16 | Taiyuan University Of Technology | Overwinding buffer device and method for vertical hoisting system |
| CN106494961B (en) * | 2016-12-05 | 2018-09-21 | 中国矿业大学 | A kind of deep-well lifting system overtravel protection method and apparatus |
| CN106494961A (en) * | 2016-12-05 | 2017-03-15 | 中国矿业大学 | A kind of deep-well lift system overtravel protection method and apparatus |
| CN110435708A (en) * | 2019-08-20 | 2019-11-12 | 武汉市云竹机电新技术开发有限公司 | The disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling |
| CN110466559A (en) * | 2019-08-20 | 2019-11-19 | 武汉市云竹机电新技术开发有限公司 | The self-locking buffer brake device of prevention of sliding-down in inclined well unhook |
| CN110466559B (en) * | 2019-08-20 | 2020-12-01 | 武汉市云竹机电新技术开发有限公司 | Inclined shaft anti-sliding car unhooking self-locking buffer brake device |
| CN113911875A (en) * | 2021-08-27 | 2022-01-11 | 中国矿业大学 | Overwinding protection device and method for deep well large-tonnage lifting system |
| CN113911875B (en) * | 2021-08-27 | 2023-08-25 | 中国矿业大学 | Overwinding protection device and method for deep well large-tonnage lifting system |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120627 Granted publication date: 20030903 |