CN103508354B - The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine - Google Patents
The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine Download PDFInfo
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- CN103508354B CN103508354B CN201310484382.5A CN201310484382A CN103508354B CN 103508354 B CN103508354 B CN 103508354B CN 201310484382 A CN201310484382 A CN 201310484382A CN 103508354 B CN103508354 B CN 103508354B
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Abstract
The invention discloses a kind of method that sliding hopper controlling aerial ladder mechanism falls, device and system and aerial operation machine, aerial ladder mechanism comprises aerial ladder and the sliding hopper that can slide along the length direction of aerial ladder and the actuating device for driving sliding hopper to slide, actuating device comprises elevator, pulley and rope, elevator and pulley are arranged on aerial ladder respectively, one end of rope is connected to sliding hopper, the other end walks around pulley and by elevator folding and unfolding, wherein, the method comprises: in the dropping process of sliding hopper, obtain v1 and v2 simultaneously, v1 be pulley go out rope speed, v2 is the speed rope speed or described sliding hopper of elevator, when v1 equals v2, make elevator keep rope stretching operation, when v1 is not equal to v2, make elevator stop rope stretching operation.The speed of sliding hopper can be replaced with the rope speed that goes out of pulley, thus can by detecting pulley and whether elevator synchronously judge whether rope loosens, and carry out operating to guarantee safe in operation accordingly.
Description
Technical field
The present invention relates to aerial operation machine, particularly, relate to the methods, devices and systems that a kind of sliding hopper controlling aerial ladder mechanism falls and the aerial operation machine comprising described device.
Background technology
Aerial operation machine (aerial operation machine in such as CN 102979449 A) can realize conveying and the rescue of personnel by the sliding hopper be arranged on aerial ladder.Wherein, rope is driven to drive the lifting of sliding hopper by elevator.Elevator, must be synchronous with the operation of sliding hopper as vitals, otherwise, rope easily loosen and cause disorder cable thus, blocked by mechanical part, the potential safety hazard such as broken lot.Therefore, in prior art, be badly in need of solving the safety problem that rope loosens initiation.
Summary of the invention
The object of this invention is to provide a kind of method that sliding hopper controlling aerial ladder mechanism falls.
To achieve these goals, the invention provides a kind of method that sliding hopper controlling aerial ladder mechanism falls, described aerial ladder mechanism comprises aerial ladder, the sliding hopper that can slide along the length direction of described aerial ladder and the actuating device for driving described sliding hopper to slide, described actuating device comprises elevator, pulley and rope, described elevator and pulley are arranged on described aerial ladder respectively, one end of described rope is connected to described sliding hopper, the other end of described rope walks around described pulley and by described elevator folding and unfolding, it is characterized in that, the method comprises: in the dropping process of described sliding hopper, obtain v1 and v2 simultaneously, v1 is the speed rope speed or described sliding hopper of described pulley, v2 be described elevator go out rope speed, when v1 equals v2, make described elevator keep rope stretching operation, when v1 is not equal to v2, make described elevator stop rope stretching operation.
The device that the present invention also provides a kind of sliding hopper controlling aerial ladder mechanism to fall, described aerial ladder mechanism comprises aerial ladder, the sliding hopper that can slide along the length direction of described aerial ladder and the actuating device for driving described sliding hopper to slide, described actuating device comprises elevator, pulley and rope, described elevator and pulley are arranged on described aerial ladder respectively, one end of described rope is connected to described sliding hopper, the other end of described rope walks around described pulley and by described elevator folding and unfolding, wherein, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit is used for the signal of v1 and v2 of acquisition reflection simultaneously in the dropping process of described sliding hopper and this signal is sent to described control unit, v1 is the speed rope speed or described sliding hopper of described pulley, v2 be described elevator go out rope speed, described control unit is for receiving described signal also according to the operation judgement of described signal being controlled to described elevator, wherein: when v1 equals v2, described control unit controls described elevator and keeps rope stretching operation, when v1 is not equal to v2, described control unit controls described elevator and stops rope stretching operation.
The system that the present invention also provides a kind of sliding hopper controlling aerial ladder mechanism to fall, wherein, this system comprise control aerial ladder mechanism of the present invention sliding hopper fall device and for driving the executive device of described elevator, the operation of described control unit executive device according to described signal control.
By technique scheme, the speed of sliding hopper can be replaced with the rope speed that goes out of pulley, thus can by detecting pulley and whether elevator synchronously judge whether rope loosens, and carry out operating to guarantee safe in operation accordingly.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the aerial ladder mechanism of a kind of embodiment that the device using the sliding hopper of control aerial ladder mechanism of the present invention to fall is described
Fig. 2 is the diagram of circuit of a kind of embodiment that the method that the sliding hopper of control aerial ladder mechanism of the present invention falls is described;
Fig. 3 is the schematic diagram of the mounting structure that pulley is described.
Description of reference numerals
10 aerial ladder 20 working bucket 30 sliding hoppers
40 actuating device 41 elevator 42 pulley 43 ropes
44 pulley base 45 sensor 46 bearing pin 47 back-up rings
48 nut 49 sensing holes
50 slide bar 60 turntable 70 amplitude oil cylinder
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
According to an aspect of the present invention, a kind of method that sliding hopper controlling aerial ladder mechanism falls is provided, described aerial ladder mechanism comprises aerial ladder 10, the sliding hopper 30 that can slide along the length direction of described aerial ladder 10 and the actuating device 40 for driving described sliding hopper 30 to slide, described actuating device 40 comprises elevator 41, pulley 42 and rope 43, described elevator 41 and pulley 42 are arranged on described aerial ladder 10 respectively, one end of described rope 43 is connected to described sliding hopper 30, the other end of described rope 43 walks around described pulley 42 and by the folding and unfolding of described elevator 41, wherein, the method comprises: in the dropping process of described sliding hopper 30, obtain v1 and v2 simultaneously, v1 is the speed rope speed or described sliding hopper 30 of described pulley 42, v2 be described elevator 41 go out rope speed, when v1 equals v2, make described elevator 41 keep rope stretching to operate, when v1 is not equal to v2, make described elevator 41 stop rope stretching operating.
As shown in Figure 1, sliding hopper 30 can slide along aerial ladder 10, to carry out fast lifting, thus the personnel be arranged in the working bucket 20 on aerial ladder 10 top can be made to transfer to rapidly on sliding hopper 30 and drop to ground rapidly, safely by sliding hopper 30, to withdraw rapidly.
Wherein, sliding hopper 30 can slide along the track-type facilities be arranged on aerial ladder 10, the bottom that described track-type facilities comprises guide rail in the main body being arranged on aerial ladder 10 and is arranged on described main body arranges and can relative to described main body along the flexible slide bar 50 of the length direction of described main body, described slide bar 50 can as the extension of described guide rail, so that sliding hopper 30 can drop to ground.
In normal course of operation, the speed going out rope speed and sliding hopper 30 of pulley 42 is consistent, and is namely all v1.Therefore, by detecting v1 with v2 and whether numerical value is identical can judge whether rope 43 loosens according to the two.
In one embodiment of the invention, v1 be pulley 42 go out rope speed, thus whether can synchronously judge whether rope 43 loosens by detecting pulley 42 and elevator 41, and carry out operating to guarantee safe in operation accordingly.
Wherein, v1 and v2 can be obtained by various suitable mode, such as can direct-detection.Selectively, can by detecting the rotational angular velocity ω 1 of described the pulley 42 and rotational angular velocity ω 2 of elevator 41 and calculating v1 and v2 according to v1=r1 × ω 1 and v2=r2 × ω 2, wherein, r1 and r2 is respectively the swinging radius of described pulley 42 and described elevator 41.
In one embodiment of the invention, v1 is the speed of described sliding hopper 30, thus can by judging that whether synchronously the rope speed that of the speed of sliding hopper 30 and elevator 41 judges whether rope 43 loosens, and carry out operating to guarantee safe in operation accordingly.
Wherein, v1 and v2 can be obtained by various suitable mode.Such as, can by detect described sliding hopper 30 along described aerial ladder 10 length direction slip preset distance s time t used and calculate v1 according to v1=s/t, and pass through the rotational angular velocity ω 2 of the described elevator 41 of detection and calculate v2 according to v2=r2 × ω 2, wherein, r2 is the swinging radius of described elevator 41.
According to a further aspect in the invention, the device that a kind of sliding hopper controlling aerial ladder mechanism falls is provided, described aerial ladder mechanism comprises aerial ladder 10, the sliding hopper 30 that can slide along the length direction of described aerial ladder 10 and the actuating device 40 for driving described sliding hopper 30 to slide, described actuating device 40 comprises elevator 41, pulley 42 and rope 43, described elevator 41 and pulley 42 are arranged on described aerial ladder 10 respectively, one end of described rope 43 is connected to described sliding hopper 30, the other end of described rope 43 walks around described pulley 42 and by the folding and unfolding of described elevator 41, wherein, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit is used for the signal of v1 and v2 of acquisition reflection simultaneously in the dropping process of described sliding hopper 30 and this signal is sent to described control unit, v1 is the speed rope speed or described sliding hopper 30 of described pulley 42, v2 be described elevator 41 go out rope speed, described control unit is for receiving described signal also according to the operation judgement of described signal being controlled to described elevator 41, wherein: when v1 equals v2, described control unit controls described elevator 41 and keeps rope stretching to operate, when v1 is not equal to v2, described control unit controls described elevator 41 and stops rope stretching operating.
Wherein, detecting unit can adopt various suitable form, and the object that detecting unit detects can be v1 and v2 itself, also can be corresponding parameter.
In one embodiment of the invention, v1 be pulley 42 go out rope speed.Preferably, described detecting unit comprises the sensor 45 of the rotational angular velocity ω 1 for detecting described pulley 42 and the coder for the rotational angular velocity ω 2 that detects described elevator 41, described control unit calculates v1 and v2 according to v1=r1 × ω 1 and v2=r2 × ω 2, wherein, r1 and r2 is respectively the swinging radius of described pulley 42 and described elevator 41.
Particularly, as shown in Figure 2, when sliding hopper starts to fall (such as manual handles starts to fall to control sliding hopper), elevator 41 starts rope stretching.Meanwhile, start to detect the rotational angular velocity ω 1 of the pulley 42 and rotational angular velocity ω 2 of elevator 41, and obtain v1 and v2 by calculating.In dropping process, by real time contrast v1 and v2, decide corresponding operation.That is, as v1=v2, illustrate that rope 43 is strained, then keep the rope stretching operation of elevator 41; As v1 ≠ v2, illustrate that rope 43 loosens (such as sliding hopper 30 blocks or slides into the end), then stop the rope stretching operation of elevator 41, and teaching process personnel inspection of reporting to the police.
Fig. 3 shows the mounting structure of pulley 42.Particularly, pulley 42 is installed on pulley base 44 by bearing pin 46 and back-up ring 47, pulley 42 is provided with in same circumference angularly spaced multiple sensing hole 49.Sensor 45 is installed on pulley base 44 by two nuts 48, thus can according to the rotational angular velocity ω 1 by obtaining pulley 42 of sensing sensing hole.Coder can directly be installed on elevator 41, and directly obtains the rotational angular velocity ω 2 of elevator 41, does not elaborate at this.
In another embodiment of the invention, v1 is the speed of described sliding hopper 30.Preferably, described detecting unit comprises for detecting the detector along the length direction slip preset distance s time used t of described aerial ladder 10 and the coder for the rotational angular velocity ω 2 that detects described elevator 41, described control unit calculates v1 and v2 according to v1=s/t and v2=r2 × ω 2, wherein, r2 is the swinging radius of described elevator 41.
For obtaining the speed v 1 of sliding hopper 30 as far as possible exactly, preset distance s can be arranged short as far as possible, can arrange multiple measuring section along the sliding path of sliding hopper 30 in addition, the length of each measuring section as the preset distance s of this section, thus can detect the speed of sliding hopper 30 substantially in real time.
In addition, detector can be various forms, slides the preset distance s time used as long as can detect sliding hopper 30.Preferably, described detector is the spaced multiple travel switch of sliding path along described sliding hopper 30.Thus, by multiple travel switch, the sliding path of sliding hopper 30 can be divided into multiple above-mentioned detection segment, distance between adjacent two travel switches is the preset distance s of this detection segment, sliding hopper 30 is through travel switch by energizing signal, and the time gap between adjacent two travel switch institute give a signals is sliding hopper 30 and slides preset distance s time t used.
According to a further aspect in the invention, the system that a kind of sliding hopper controlling aerial ladder mechanism falls is provided, wherein, this system comprise control aerial ladder mechanism of the present invention sliding hopper fall device and for driving the executive device (such as motor) of described elevator 41, the operation of described control unit executive device according to described signal control.
According to a further aspect in the invention, provide a kind of aerial operation machine, wherein, the device that the sliding hopper that this aerial operation machine comprises aerial ladder mechanism and control aerial ladder mechanism of the present invention falls.
Wherein, aerial ladder 10 can be arranged on the turntable 60 of aerial operation machine, and carries out luffing operation by amplitude oil cylinder 70 pairs of aerial ladders 10.Turntable 60 is arranged on the crawler body (such as vehicle frame) of aerial operation machine, and the two ends of amplitude oil cylinder 70 are articulated with aerial ladder 10 and turntable 60 respectively.
Aerial ladder mechanism of the present invention can adopt various suitable mode, as long as have sliding hopper 30.The structure of each parts and arrange and can arrange as required.Such as, aerial ladder mechanism can be the aerial ladder mechanism in CN102979449A, and corresponding parts adopt structure wherein and setting.
Wherein, rope can adopt various suitable material, as long as can meet power transmission required for the present invention, transmission needs be convenient to detect and whether loosen, preferably steel rope.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. one kind controls the method for the sliding hopper whereabouts of aerial ladder mechanism, described aerial ladder mechanism comprises aerial ladder (10), the sliding hopper (30) that can slide along the length direction of described aerial ladder (10) and the actuating device (40) for driving described sliding hopper (30) to slide, described actuating device (40) comprises elevator (41), pulley (42) and rope (43), described elevator (41) and pulley (42) are arranged on described aerial ladder (10) respectively, one end of described rope (43) is connected to described sliding hopper (30), the other end of described rope (43) walks around described pulley (42) and by described elevator (41) folding and unfolding, it is characterized in that, the method comprises:
In the dropping process of described sliding hopper (30), obtain v1 and v2, v1 is the speed rope speed or described sliding hopper (30) of described pulley (42) simultaneously, v2 be described elevator (41) go out rope speed;
When v1 equals v2, make described elevator (41) keep rope stretching operation, when v1 is not equal to v2, make described elevator (41) stop rope stretching operation.
2. the method for the sliding hopper whereabouts of control aerial ladder mechanism according to claim 1, it is characterized in that, v1 be described pulley (42) go out rope speed, by detecting the rotational angular velocity ω 1 of described pulley (42) and calculating v1 according to v1=r1 × ω 1, and pass through the rotational angular velocity ω 2 of the described elevator of detection (41) and calculate v2 according to v2=r2 × ω 2, wherein, r1 and r2 is respectively the swinging radius of described pulley (42) and described elevator (41).
3. the method for the sliding hopper whereabouts of control aerial ladder mechanism according to claim 1, it is characterized in that, v1 is the speed of described sliding hopper (30), v1 is calculated according to v1=s/t by detecting described sliding hopper (30) along the length direction slip preset distance s time t used of described aerial ladder (10), and pass through the rotational angular velocity ω 2 of the described elevator of detection (41) and calculate v2 according to v2=r2 × ω 2, wherein, r2 is the swinging radius of described elevator (41).
4. one kind controls the device of the sliding hopper whereabouts of aerial ladder mechanism, described aerial ladder mechanism comprises aerial ladder (10), the sliding hopper (30) that can slide along the length direction of described aerial ladder (10) and the actuating device (40) for driving described sliding hopper (30) to slide, described actuating device (40) comprises elevator (41), pulley (42) and rope (43), described elevator (41) and pulley (42) are arranged on described aerial ladder (10) respectively, one end of described rope (43) is connected to described sliding hopper (30), the other end of described rope (43) walks around described pulley (42) and by described elevator (41) folding and unfolding, it is characterized in that, the device that the sliding hopper of described control aerial ladder mechanism falls comprises detecting unit and control unit, described detecting unit is used for the signal of v1 and v2 of acquisition reflection simultaneously in the dropping process of described sliding hopper (30) and this signal is sent to described control unit, v1 is the speed rope speed or described sliding hopper (30) of described pulley (42), v2 be described elevator (41) go out rope speed, described control unit is for receiving described signal also according to the operation judgement of described signal being controlled to described elevator (41), wherein: when v1 equals v2, described control unit controls described elevator (41) and keeps rope stretching operation, when v1 is not equal to v2, described control unit controls described elevator (41) and stops rope stretching operation.
5. the device of the sliding hopper whereabouts of control aerial ladder mechanism according to claim 4, it is characterized in that, v1 be described pulley (42) go out rope speed, described detecting unit comprises the sensor (45) of the rotational angular velocity ω 1 for detecting described pulley (42) and the coder for the rotational angular velocity ω 2 that detects described elevator (41), described control unit calculates v1 and v2 according to v1=r1 × ω 1 and v2=r2 × ω 2, wherein, r1 and r2 is respectively the swinging radius of described pulley (42) and described elevator (41).
6. the device of the sliding hopper whereabouts of control aerial ladder mechanism according to claim 4, it is characterized in that, v1 is the speed of described sliding hopper (30), described detecting unit comprises for detecting the detector along the length direction slip preset distance s time used t of described aerial ladder (10) and the coder for the rotational angular velocity ω 2 that detects described elevator (41), described control unit calculates v1 and v2 according to v1=s/t and v2=r2 × ω 2, wherein, r2 is the swinging radius of described elevator (41).
7. the device of the sliding hopper whereabouts of control aerial ladder mechanism according to claim 6, it is characterized in that, described detector is the spaced multiple travel switch of sliding path along described sliding hopper (30).
8. one kind controls the system of the sliding hopper whereabouts of aerial ladder mechanism, it is characterized in that, this system comprises the device that falls according to the sliding hopper of the control aerial ladder mechanism in claim 4-7 described in any one and for driving the executive device of described elevator (41), the operation of described control unit executive device according to described signal control.
9. an aerial operation machine, is characterized in that, the device that this aerial operation machine comprises aerial ladder mechanism and falls according to the sliding hopper of the control aerial ladder mechanism in claim 4-8 described in any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484382.5A CN103508354B (en) | 2013-10-16 | 2013-10-16 | The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine |
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| CN201310484382.5A CN103508354B (en) | 2013-10-16 | 2013-10-16 | The methods, devices and systems that the sliding hopper controlling aerial ladder mechanism falls and aerial operation machine |
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| CN103508354A CN103508354A (en) | 2014-01-15 |
| CN103508354B true CN103508354B (en) | 2015-08-05 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104785B (en) * | 2021-04-19 | 2022-07-05 | 威海高丽亚专用汽车制造有限公司 | Aerial ladder arm protection and goods fill accurate positioning coordinated control system |
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| GB2061220B (en) * | 1979-10-24 | 1983-03-09 | Elba Werk Maschinen Gmbh & Co | Cable scraper device |
| SU1110748A1 (en) * | 1983-03-01 | 1984-08-30 | Оренбургский политехнический институт | Lift |
| US6276449B1 (en) * | 2000-03-23 | 2001-08-21 | Frederic M. Newman | Engine speed control for hoist and tongs |
| CN201192540Y (en) * | 2008-03-17 | 2009-02-11 | 李景海 | Movable rescue slideway |
| CN102979449A (en) * | 2012-12-06 | 2013-03-20 | 长沙中联消防机械有限公司 | Scaling ladder mechanism and overhead working machine |
| CN103086302A (en) * | 2012-12-25 | 2013-05-08 | 长沙中联消防机械有限公司 | Rope anti-loose detection mechanism, rope anti-loose detection device and aerial ladder fire truck |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0449198A (en) * | 1990-06-18 | 1992-02-18 | Toyota Autom Loom Works Ltd | Boom for industrial vehicle |
| JPH05256078A (en) * | 1992-03-12 | 1993-10-05 | Nissan Shatai Co Ltd | Ladder device stored in ceiling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU874594A1 (en) * | 1979-09-05 | 1981-10-23 | Златоустовское Монтажное Управление Треста "Востокметаллургмонтаж" | Safety rope-type tackle block |
| GB2061220B (en) * | 1979-10-24 | 1983-03-09 | Elba Werk Maschinen Gmbh & Co | Cable scraper device |
| SU1110748A1 (en) * | 1983-03-01 | 1984-08-30 | Оренбургский политехнический институт | Lift |
| US6276449B1 (en) * | 2000-03-23 | 2001-08-21 | Frederic M. Newman | Engine speed control for hoist and tongs |
| CN201192540Y (en) * | 2008-03-17 | 2009-02-11 | 李景海 | Movable rescue slideway |
| CN102979449A (en) * | 2012-12-06 | 2013-03-20 | 长沙中联消防机械有限公司 | Scaling ladder mechanism and overhead working machine |
| CN103086302A (en) * | 2012-12-25 | 2013-05-08 | 长沙中联消防机械有限公司 | Rope anti-loose detection mechanism, rope anti-loose detection device and aerial ladder fire truck |
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Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co., Ltd Patentee after: Zoomlion Heavy Industry Co., Ltd Address before: 410200 No. 997, Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian fire fighting Machinery Co., Ltd Patentee before: Zoomlion Heavy Industry Co., Ltd |
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