CN205204702U - Winding system , ladder frame and hook and ladder - Google Patents

Winding system , ladder frame and hook and ladder Download PDF

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Publication number
CN205204702U
CN205204702U CN201521136694.8U CN201521136694U CN205204702U CN 205204702 U CN205204702 U CN 205204702U CN 201521136694 U CN201521136694 U CN 201521136694U CN 205204702 U CN205204702 U CN 205204702U
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China
Prior art keywords
rope
ladder
reel
hoisting
basic
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Active
Application number
CN201521136694.8U
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Chinese (zh)
Inventor
刘宇
周磊
艾国栋
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Changsha Zoomlion Fire Fighting Machinery Co Ltd
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Changsha Zoomlion Fire Fighting Machinery Co Ltd
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Priority to CN201521136694.8U priority Critical patent/CN205204702U/en
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Abstract

The utility model relates to a winding system field to a winding system, a ladder frame and a hook and ladder is disclosed, winding system includes single reel (1), can drive single reel (1) positive reverse rotation driver (2) and respectively the winding be in first rope (3) and second rope (4) on the outer peripheral face of reel (1), the one end of first rope (3) with the one end of second rope (4) is fixed in respectively work as reel (1) driver (2) drive when reel (1) is rotatory, first rope (3) and the rope is put to in second rope (4) no. 1, and another person receives the rope. The utility model discloses a winding system has synchronism and the better advantage of stability.

Description

Hoisting system, ladder and fire fighting turnable ladder
Technical field
The utility model relates to hoisting system field, particularly, relates to a kind of hoisting system.In addition, the utility model also relates to a kind of ladder and a kind of fire fighting turnable ladder.
Background technology
The ladder of the fire fighting turnable ladder steel rope being pulled through assembly pulley primarily of hydraulic ram or hoisting system that stretches has come.When the nominal operation height of fire extinguishing tanker is lower, the motion that main use oil cylinder is steel rope provides power, and structure is easy to realize, and through several years development, Technical comparing is ripe; Along with the increase of nominal operation height, use oil cylinder to be difficult to ensure the efficiency of transmission and the compact of structure, hoisting system then obtains application because it holds the large feature of rope amount.
In prior art, for realizing the motion that ladder stretches out and regains both direction, hoisting system often comprises two independently hoisting mechanisms, and one is held ladder and stretches out steel rope used, one is held ladder and regains steel rope used, and under the control of a set of hydraulic efficiency pressure system, realize the flexible of ladder.The HM Hydraulic Motor 2 that similar hoisting system (as shown in Figure 1) generally includes reel 1 and reel 1 can be driven to rotate, because the nominal operation height of fire extinguishing tanker is higher, to stretch requirement for meeting ladder, required rope capacity is longer; Meanwhile, ladder from great, be ensure design safety factor, the diameter of steel rope used is also larger.Based on above 2 points, the grooving radius of reel 1 and Rong Shengliang also need corresponding increasing, cause the oad of reel 1 excessive.According to fire fighting turnable ladder actual conditions, the optimum position that reel 1 is placed is below the bracket of basic ladder afterbody, locus is herein more limited, be difficult to realize being arranged in parallel shown in Fig. 1, also more difficult to the layout of hydraulic efficiency pressure system and assembly pulley, cause upper frame part structure too fat to move, have impact on the efficiency of transmission, simultaneously, in order to make the synchronous rotary of two hoisting mechanisms, by using flow divider-combiner, prior art ensures that the flow that HM Hydraulic Motor 2 exports is identical, thus make the rotating speed of two winding drum 1 identical.But in a practical situation, there is many unfavorable factors, let out in such as HM Hydraulic Motor 2, the trueness error etc. of flow divider-combiner, capital has influence on the stability of whole hydraulic efficiency pressure system, the rotating speed of two reels 1 is caused to be difficult to synchronously, cause the problem that steel rope crosses pine or tension, for the trouble free service of fire fighting turnable ladder hides some dangers for.Visible, existing hoisting system has and takes up room excessive, and be difficult to reasonable Arrangement, synchronism is poor, the shortcoming of less stable.
In view of this, need to provide a kind of synchronism and the good hoisting system of stability.
Utility model content
Technical problem to be solved in the utility model needs to provide a kind of synchronism and the good hoisting system of stability and a kind of synchronism and the good ladder of stability and a kind of synchronism and the good fire fighting turnable ladder of stability.
In order to solve the problems of the technologies described above, the utility model provides a kind of hoisting system, this hoisting system comprises single reel, can drive the actuator of the forward and reverse rotation of described single reel and the first rope be wrapped in respectively on the outer peripheral face of described reel and the second rope, one end of described first rope and one end of described second rope are individually fixed in described reel, when reel described in described driver drives rotates, one in described first rope and described second rope puts rope, and another one rope closing.
Preferably, one end of described first rope and one end of described second rope are individually fixed in the two ends of described reel, and described first rope is wound around from the two ends of described reel along identical winding direction towards the middle part of described reel respectively with described second rope.
Preferably, the outer peripheral face of described reel is provided with the rope groove of a spiral extension, described first rope and described second rope are wound in described rope groove respectively.
Preferably, described rope groove comprises the common sparing being alternately wound around described first rope and described second rope.
Preferably, described actuator is HM Hydraulic Motor.
On the basis of the technical scheme of above-mentioned hoisting system, the utility model also provides a kind of ladder, this ladder comprises the basic ladder be hinged on by jointed shaft on erecting stage, bearing of trend along described basic ladder is connected to flexible ladder on described basic ladder and hoisting system of the present utility model slidably, described flexible ladder is provided with the drive pulley group for driving described flexible ladder to slide, the other end pulley walked around in described drive pulley group of described first rope is connected to one end of described basic ladder, the other end another pulley walked around in described drive pulley group of described second rope is connected to the other end of described basic ladder.
Preferably, described hoisting system also comprises the self-steering wire-crossing wheel be axially movably arranged on described jointed shaft, the central axis of described self-steering wire-crossing wheel and the centerline axis parallel of described reel, and its outer peripheral face is formed with the groove for coordinating with described second rope contact, be wrapped in the groove of described self-steering wire-crossing wheel described second rope por-tion.
Preferably, the outer peripheral face of described installation shaft is formed with screw thread, described self-steering wire-crossing wheel is provided with the mounting hole for being connected with described installation shaft, and the periphery of this mounting hole is formed with the matching thread corresponding to described screw thread.
Preferably, described basic ladder comprises installation end and telescopic end, described flexible ladder stretches out from described telescopic end or shrinks from described telescopic end and enters described basic ladder inside, described ladder also comprises the bracket of the installation end being fixed on described basic ladder, and described hoisting system and described jointed shaft are all arranged on described bracket.
In addition, on the basis of the technical scheme of above-mentioned ladder, the utility model also provides a kind of fire fighting turnable ladder, and this fire fighting turnable ladder comprises ladder described in the utility model.
Hoisting system of the present utility model is owing to comprising single reel, the actuator of the forward and reverse rotation of single reel and the first rope be wrapped in respectively on the outer peripheral face of reel and the second rope can be driven, simultaneously, one end of first rope and one end of the second rope are individually fixed in reel, when driver drives reel rotates, one in first rope and the second rope puts rope, and another one rope closing, thus can synchronously make the first rope and the second rope put rope or rope closing by the forward and reverse rotation of driver drives reel simultaneously, the first rope and the second rope is avoided to cross the problem of pine or tension, visible hoisting system of the present utility model has synchronism and the good advantage of stability.In addition, ladder of the present utility model and fire fighting turnable ladder are owing to comprising hoisting system of the present utility model, and therefore it has above advantage equally.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the hoisting system of prior art;
Fig. 2 is the structural representation of the hoisting system according to detailed description of the invention of the present utility model;
Fig. 3 is the birds-eye view of the hoisting system in Fig. 2;
Fig. 4 is the structural representation of the ladder according to detailed description of the invention of the present utility model;
Fig. 5 is the birds-eye view of the ladder in Fig. 4.
Description of reference numerals
1, reel 2, actuator
3, the first rope 4, second rope
5, self-steering wire-crossing wheel 6, installation shaft
7, rope groove 8, basic ladder
9, flexible ladder 10, drive pulley group
11, bracket 12a, the first angle pulley
12b, the second angle pulley 13, first angle pulley again
14, the second angle pulley again
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
The utility model provides a kind of hoisting system, particularly, as shown in Figures 2 and 3, this hoisting system comprises single reel 1, can drive the actuator 2 of the forward and reverse rotation of described single reel 1 and is wrapped in the first rope 3 and the second rope 4 on the outer peripheral face of described reel 1 respectively, one end of described first rope 3 and one end of described second rope 4 are individually fixed in described reel 1, when described actuator 2 drives described reel 1 to rotate, one in described first rope 3 and described second rope 4 puts rope, and another one rope closing.
It should be noted that, the specific constructive form of reel 1, actuator 2, first rope 3 and the second rope 4 can be arranged as required, and these all belong within technical conceive scope of the present utility model.Such as actuator 2 can be directly HM Hydraulic Motor, the reductor that also can comprise motor and be connected with this motor-driven, and the first rope 3 and the second rope 4 can be steel rope or other ropes.
Hoisting system of the present utility model is owing to comprising single reel 1, the actuator 2 of the forward and reverse rotation of single reel 1 can be driven and be wrapped in the first rope 3 and the second rope 4 on the outer peripheral face of reel 1 respectively, simultaneously, one end of first rope 3 and one end of the second rope 4 are individually fixed in reel 1, when actuator 2 drives reel 1 to rotate, one in first rope 3 and the second rope 4 puts rope, and another one rope closing, thus drive the forward and reverse rotation of reel 1 synchronously to make the first rope 3 and the second rope 4 put rope or rope closing by actuator 2 simultaneously, the first rope 3 and the second rope 4 is avoided to cross the problem of pine or tension, visible hoisting system of the present utility model has synchronism and the good advantage of stability.
In hoisting system of the present utility model, particularly, one end of described first rope 3 and one end of described second rope 4 are individually fixed in the two ends of described reel 1, described first rope 3 and described second rope 4 are wound around from the two ends of described reel 1 along identical winding direction (the first rope 3 in the diagram and the winding direction of the second rope 4 are clockwise direction) towards the middle part of described reel 1 respectively, thus make when actuator 2 drives reel 1 to rotate, one in first rope 3 and the second rope 4 puts rope, and another one rope closing.
It should be noted that, the first rope 3 and the winding direction of the second rope 4 refer to the winding direction from the respective end be fixedly connected with reel 1 of the first rope 3 and the second rope 4 around reel 1.In addition, the winding direction of the first rope 3 and the second rope 4 and bearing of trend (the first rope 3 in the diagram and the bearing of trend of the second rope 4 are respectively from the two ends of reel 1 respectively towards the middle part of reel 1) all can be arranged as required, as long as it can meet when actuator 2 drives reel 1 to rotate, one in first rope 3 and the second rope 4 puts rope, and another one rope closing.
In hoisting system of the present utility model, preferably, the outer peripheral face of described reel 1 is provided with the rope groove 7 of a spiral extension, described first rope 3 and described second rope 4 are wound in described rope groove 7 respectively, thus the first rope 3 and the second rope 4 are wound in along rope groove 7 on the outer peripheral face of reel 1 respectively.
In hoisting system of the present utility model, during owing to driving reel 1 to rotate when actuator 2, one in first rope 3 and the second rope 4 puts rope, and another one rope closing, thus the first rope 3 be wrapped on reel 1 and the second rope 4 also correspondingly shorten with elongated respectively, simultaneously again due to the equal diameters of the outer peripheral face of reel 1, therefore the rope amount of putting of the first rope 3 and the second rope 4 is equal with rope closing amount, and the first rope 3 be wrapped on reel 1 and the total length of the second rope 4 are more and less accordingly all the time, therefore more preferably, described rope groove 7 comprises the common sparing being alternately wound around described first rope 3 and described second rope 4, thus the number of turns of the required rope groove 7 for being wound around the first rope 3 and the second rope 4 can be reduced, and then greatly reduce reel 1 size in the axial direction, make the structure of hoisting system of the present utility model compacter.
The utility model also provides a kind of ladder, as shown in Fig. 4 to Fig. 5, this ladder comprises the basic ladder 8 be hinged on by jointed shaft on erecting stage, bearing of trend along described basic ladder 8 is connected to flexible ladder 9 on described basic ladder 8 and hoisting system described in the utility model slidably, described flexible ladder 9 is provided with the drive pulley group 10 for driving described flexible ladder 9 to slide, the other end pulley walked around in described drive pulley group 10 of described first rope 3 is connected to one end of described basic ladder 8, the other end another pulley walked around in described drive pulley group 10 of described second rope 4 is connected to the other end of described basic ladder 8.
Hoisting system of the present utility model is owing to comprising single reel 1, the actuator 2 of the forward and reverse rotation of single reel 1 can be driven and be wrapped in the first rope 3 and the second rope 4 on the outer peripheral face of reel 1 respectively, simultaneously, one end of first rope 3 and one end of the second rope 4 are individually fixed in reel 1, when actuator 2 drives reel 1 to rotate, one in first rope 3 and the second rope 4 puts rope, and another one rope closing, thus drive the forward and reverse rotation of reel 1 synchronously to make the first rope 3 and the second rope 4 put rope or rope closing by actuator 2 simultaneously, the first rope 3 and the second rope 4 is avoided to cross the problem of pine or tension, visible hoisting system of the present utility model has synchronism and the good advantage of stability.
In ladder of the present utility model, preferably, described hoisting system also comprises the self-steering wire-crossing wheel 5 be axially movably arranged on described jointed shaft, the central axis of described self-steering wire-crossing wheel 5 and the centerline axis parallel of described reel 1, and its outer peripheral face is formed for contacting with described second rope 4 groove coordinated, described second rope 4 is partly wrapped in the groove of described self-steering wire-crossing wheel 5, thus make the spacing between the first rope 3 and the second rope 4 less, so that the layout of the first follow-up rope 3 and the second rope 4 and pulley, meanwhile, when reel 1 rotate and the second rope 4 when the axial direction of reel 1 is traversing, because the second rope 4 is partly wrapped in the groove of self-steering wire-crossing wheel 5, therefore the second rope 4 drives self-steering wire-crossing wheel 5 synchronously traversing by groove.
In above-mentioned ladder, particularly, the outer peripheral face of described installation shaft 6 is formed with screw thread, described self-steering wire-crossing wheel 5 is provided with the mounting hole for being connected with described installation shaft 6, the periphery of this mounting hole is formed with the matching thread corresponding to described screw thread, and more specifically, the diameter of reel 1 is D 1, the pitch of rope groove 7 is P 1, the diameter of self-steering wire-crossing wheel 5 is D 2, the pitch of the screw thread of installation shaft 6 is P 2, due to reel 1 rotate the number of turns and the folding and unfolding amount of the second rope 4 and the length through the second rope 4 of self-steering wire-crossing wheel 5 all corresponding, therefore D 1× P 1=D 2× P 2, thus to make self-steering wire-crossing wheel 5 and the second rope 4 synchronously traversing, only need the diameter D of self-steering wire-crossing wheel 5 2with the pitch P of the screw thread of installation shaft 6 2meet above-mentioned relation formula.
In addition, self-steering wire-crossing wheel 5 and the synchronously traversing concrete mode of the second rope 4 is made to be not limited in above form, the outer peripheral face of such as installation shaft 6 can be formed as smooth side, self-steering wire-crossing wheel 5 is correspondingly sleeved in this installation shaft 6 slidably, because the second rope 4 is partly wrapped in the groove of self-steering wire-crossing wheel 5, when the second rope 4 is traversing, the second rope 4 will force self-steering wire-crossing wheel 5 synchronously traversing by groove.
In ladder of the present utility model, particularly, described basic ladder 8 comprises installation end respect to one another and telescopic end and the intermediate ends between installation end and telescopic end, described flexible ladder 9 stretches out from described telescopic end or shrinks from described telescopic end and enters described basic ladder 8 inside, described ladder also comprises the bracket 11 of the installation end being fixed on described basic ladder 8, and described hoisting system and described jointed shaft are all arranged on described bracket 11.More specifically, as shown in Figure 4 and Figure 5, the intermediate ends of basis ladder 8 is provided with two groups of angle pulley groups (angle pulley group comprises the first angle pulley 12a and the second angle pulley 12b), the basis installation end of ladder 8 and telescopic end are also provided with the first angle pulley 13 and second angle pulley 14 more respectively, the other end of described first rope 3 walks around the first angle pulley 12a successively, second angle pulley 12b, first angle pulley 13 again, a pulley in drive pulley group 10 is also finally connected to the installation end of described basic ladder 8, the other end of described second rope 4 walks around self-steering wire-crossing wheel 5 successively, first angle pulley 12a, second angle pulley 12b, second angle pulley 14 again, another pulley in drive pulley group 10 is also finally connected to the telescopic end of described basic ladder 8.
In addition, the utility model also provides a kind of fire fighting turnable ladder, and this fire fighting turnable ladder comprises ladder described in the utility model.
Hoisting system of the present utility model is owing to comprising single reel 1, the actuator 2 of the forward and reverse rotation of single reel 1 can be driven and be wrapped in the first rope 3 and the second rope 4 on the outer peripheral face of reel 1 respectively, simultaneously, one end of first rope 3 and one end of the second rope 4 are individually fixed in reel 1, when actuator 2 drives reel 1 to rotate, one in first rope 3 and the second rope 4 puts rope, and another one rope closing, thus drive the forward and reverse rotation of reel 1 synchronously to make the first rope 3 and the second rope 4 put rope or rope closing by actuator 2 simultaneously, the first rope 3 and the second rope 4 is avoided to cross the problem of pine or tension, visible hoisting system of the present utility model has synchronism and the good advantage of stability.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each 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 utility model 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 utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a hoisting system, it is characterized in that, this hoisting system comprises single reel (1), the actuator (2) of the forward and reverse rotation of described single reel (1) and the first rope (3) be wrapped in respectively on the outer peripheral face of described reel (1) and the second rope (4) can be driven, one end of described first rope (3) and one end of described second rope (4) are individually fixed in described reel (1), when described actuator (2) drives described reel (1) to rotate, one in described first rope (3) and described second rope (4) puts rope, and another one rope closing.
2. hoisting system according to claim 1, it is characterized in that, one end of described first rope (3) and one end of described second rope (4) are individually fixed in the two ends of described reel (1), and described first rope (3) is wound around from the two ends of described reel (1) along identical winding direction towards the middle part of described reel (1) respectively with described second rope (4).
3. hoisting system according to claim 2, it is characterized in that, the outer peripheral face of described reel (1) is provided with the rope groove (7) of a spiral extension, described first rope (3) and described second rope (4) are wound in described rope groove (7) respectively.
4. hoisting system according to claim 3, is characterized in that, described rope groove (7) comprises the common sparing being alternately wound around described first rope (3) and described second rope (4).
5. hoisting system according to claim 1, is characterized in that, described actuator (2) is HM Hydraulic Motor.
6. a ladder, this ladder comprises and is hinged on the basic ladder (8) on erecting stage by jointed shaft and is connected to the flexible ladder (9) on described basic ladder (8) slidably along the bearing of trend of described basic ladder (8), described flexible ladder (9) is provided with the drive pulley group (10) for driving described flexible ladder (9) to slide, it is characterized in that, described ladder also comprises hoisting system as claimed in any of claims 1 to 5, the other end pulley walked around in described drive pulley group (10) of described first rope (3) is connected to one end of described basic ladder (8), the other end another pulley walked around in described drive pulley group (10) of described second rope (4) is connected to the other end of described basic ladder (8).
7. ladder according to claim 6, it is characterized in that, described hoisting system also comprises the self-steering wire-crossing wheel (5) be axially movably arranged on described jointed shaft, the central axis of described self-steering wire-crossing wheel (5) and the centerline axis parallel of described reel (1), and its outer peripheral face is formed for contacting with described second rope (4) groove coordinated, and described second rope (4) is partly wrapped in the groove of described self-steering wire-crossing wheel (5).
8. ladder according to claim 7, it is characterized in that, the outer peripheral face of described installation shaft (6) is formed with screw thread, described self-steering wire-crossing wheel (5) is provided with the mounting hole for being connected with described installation shaft (6), and the periphery of this mounting hole is formed with the matching thread corresponding to described screw thread.
9. ladder according to claim 7, it is characterized in that, described basic ladder (8) comprises installation end and telescopic end, described flexible ladder (9) is stretched out from described telescopic end or is shunk from described telescopic end and enters described basic ladder (8) inside, described ladder also comprises the bracket (11) of the installation end being fixed on described basic ladder (8), and described hoisting system and described jointed shaft are all arranged on described bracket (11).
10. a fire fighting turnable ladder, is characterized in that, described fire fighting turnable ladder comprises according to the ladder in claim 6-9 described in any one.
CN201521136694.8U 2015-12-31 2015-12-31 Winding system , ladder frame and hook and ladder Active CN205204702U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106081999A (en) * 2016-08-30 2016-11-09 徐工消防安全装备有限公司 One utilizes elevator to drive flexible technology and engineering mechanical device
CN108309401A (en) * 2018-02-01 2018-07-24 闫越颖 A kind of dept. of dermatology's wart cutter device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106081999A (en) * 2016-08-30 2016-11-09 徐工消防安全装备有限公司 One utilizes elevator to drive flexible technology and engineering mechanical device
CN108309401A (en) * 2018-02-01 2018-07-24 闫越颖 A kind of dept. of dermatology's wart cutter device

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