CN206437835U - Self-balancing extension means for duplex type rope - Google Patents
Self-balancing extension means for duplex type rope Download PDFInfo
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- CN206437835U CN206437835U CN201621379100.0U CN201621379100U CN206437835U CN 206437835 U CN206437835 U CN 206437835U CN 201621379100 U CN201621379100 U CN 201621379100U CN 206437835 U CN206437835 U CN 206437835U
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- steel wire
- rope
- duplex type
- wire rope
- bearing
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Abstract
The utility model discloses a kind of self-balancing extension means for duplex type rope, belongs to aerial work platform technical field, including steel wire rope bearing I, stabilizer, duplex type rope, telescopic oil cylinder, steel wire rope bearing II and balance weight；Telescopic oil cylinder includes cylinder barrel and cylinder rod, and cylinder barrel is fixed with the joint arm of arm support second, and cylinder rod is fixed with the joint arm of arm support first, and the cylinder barrel end of telescopic oil cylinder is provided with to stretch and taken turns provided with wheel seat, stretching, extension wheel seat is stretched；Duplex type rope is single joint loop configuration, and the non junction end steel wire rope of duplex type rope is wound on stabilizer to be slidably connected with steel wire rope bearing I, and the tip side steel wire rope of duplex type rope bypasses stretching, extension wheel and is connected with the balance weight.The extension means can balance the load between two ropes of left and right and the stress of duplex type rope inner cable simultaneously, make the stress of every steel cable all consistent, so as to avoid part steel wire rope appearance overload, premature abrasion and fatigue and the situation of premature failure, the life-span of steel wire rope and the security of extension means are improved.
Description
Technical field
The utility model is related to a kind of self-balancing extension means for duplex type rope, belongs to aerial work platform technology neck
Domain.
Background technology
Aerial work platform serves the mobility work high above the ground such as every profession and trade work high above the ground, equipment installation, maintenance
Engineering machinery.Aerial work platform mainly has：The types such as scissor-type, vehicular, crank arm type, straight arm type.Aerial work platform has
Have versatility it is good, can fast transfer, safety, the advantages of quick, be widely used in the engineering construction of work high above the ground.Wherein arm support
Formula (including crank arm type and straight arm type) aerial work platform is because of its travel position compact conformation；What working condition platform can reach
The advantages of height and big amplitude, is widely used.Its arm support generally quickly can stretch and retract, and realize working condition and fortune
The rapid translating of defeated state.
Telescopic arm support is the groundwork mechanism of boom type aerial work platform；Telescoping mechanism is the core for realizing its function
The heart, is typically driven by telescopic oil cylinder, and the synchronization telescope for realizing single oil cylinder by pulley-rope is moved.For security consideration, stretch
Pulley and rope of the contracting mechanism provided with two sets of identical sets.During normal operation, two sets of pulley-rope mechanisms are acted on simultaneously, are realized
The stretching motion of arm support；When appearance overload, abrasion or fatigue cause one of which pulley-rope mechanism failure, another group still
Can normal work, to ensure the safety of operating personnel.
But, because two sets of pulley-ropes can not ensure that its stress is completely the same in installation and steel wire tensioning, very
To occurring by one of which pulley-rope stress, and another group of then fully relaxed situation；Rope is caused to overload, so as to lead
Cause rope premature failure, strong influence life-span of equipment；In addition, with the development of high rice number product, the load of extension means
Lotus is increasing, and demand can not be met using the rope of single wire rope, generally using two or many steel wire ropes simultaneously now
Connection, two ends are attached using same rope rig, rope are made and uses.But it is due to the mistake in steel wire rope manufacturing process
Difference, the length of many steel wire ropes in same group of rope is different, certainly will produce the uneven situation of each steel wire rope stand under load, make
It is larger into a portion steel wire rope stand under load, cause steel wire rope premature failure, life-span and the production of influence rope and extension means
The security performance of product, as great potential safety hazard.
Current telescoping mechanism is used to be increased balance weight to solve the feelings of two sets of pulleys-rope unbalance stress between two ropes
Condition.The program increases balance weight in rope one end, and two ropes are connected with balance weight, and two ropes are drawn by adjusting the length of rope
Power is equal, and now balance weight is located at middle position.If rope extended length is different during use, when bringing difference in length, balance weight
Offset to one side, length compensation is carried out automatically, it is ensured that two rope uniform forces.But this scheme needs to adjust rope capacity, leads to
The rope that single wire rope is made often is only applicable to, is unsuitable for rope structure, can not more solve rope inner cable stress
Uneven the problem of.
The content of the invention
Stretched in view of the above-mentioned problems of the prior art, the utility model provides a kind of self-balancing for duplex type rope
Mechanism, it is adaptable to rope structure, the problem of effectively solving rope inner cable unbalance stress.
To achieve these goals, a kind of self-balancing extension means for duplex type rope that the utility model is used, bag
Include the steel wire rope bearing I being fixedly connected with the joint arm of telescopic arm support first, the stabilizer being arranged in steel wire rope bearing I, be connected
Duplex type rope on steel wire rope bearing I, telescopic oil cylinder and arm support below duplex type rope for driving each joint arm to stretch
Steel wire rope bearing II that three joint arms are fixedly connected and the balance weight being connected with steel wire rope bearing II；
The telescopic oil cylinder includes cylinder barrel and cylinder rod, and cylinder barrel and the joint arm of arm support second of telescopic oil cylinder are fixed, telescopic oil cylinder
Cylinder rod fixed with the joint arm of arm support first, wheel seat is stretched provided with stretching in the cylinder barrel end of the telescopic oil cylinder provided with wheel seat is stretched
Exhibition wheel；
The duplex type rope is single joint loop configuration, and the non junction end steel wire rope of duplex type rope is wound on stabilizer and steel
Cord bearing I is slidably connected, and the tip side steel wire rope of the duplex type rope bypasses stretching, extension wheel and is connected with the balance weight.
As an improvement, the stabilizer is connected by bearing pin with steel wire rope bearing I.
As a further improvement, the wheel that stretches is connected by bearing pin with stretching wheel seat.
As an improvement, the balance weight two ends are connected by bearing pin with steel wire rope bearing II, the tip side of duplex type rope respectively
Connect.
As an improvement, the balance weight is in isosceles triangle shape, it is big to be provided with one at the drift angle of isosceles triangle shape balance weight
Two apertures are provided with hole, two base angles, the balance weight is connected by drift angle macropore with steel wire rope bearing II, and balance weight passes through two bottoms
Angle aperture is connected with the tip side of duplex type rope.
As an improvement, the stabilizer has two, two stabilizers are arranged symmetrically in the two ends inside steel wire rope bearing I,
Two coordinated with stabilizer are provided with the stretching, extension wheel seat and stretch wheel.
If as an improvement, the steel wire rope bearing II is fastened in arm support three joint arms by bolt stem.
The operation principle of duplex type rope Self-balancing of the present utility model is as follows：Rope is using single joint ring junction first
The duplex type rope of structure, its only one of which joint, one end wirerope-winding without joint is on stabilizer, and stabilizer plays pulley
Effect, the pulling force of autobalance both sides steel wire rope wound on it, it is ensured that steel wire rope stress is identical in unilateral rope；Secondly, it is left
The tip side of the duplex type rope of the single joint loop configuration in the right side two is connected with balance weight by bearing pin, when the rope stress of left and right two
When, duplex type rope is swung with dynamic balance weight around its bearing pin being connected with steel wire rope bearing II, the single joint ring junction in compensation left and right two
The difference in length of the duplex type rope of structure, the stress of two ropes of balance left and right, it is ensured that the duplex type rope of the single joint loop configuration in left and right two
The stress of row is identical all the time.
The utility model provide self-balancing extension means be applied to duplex type rope, can balance simultaneously left and right two ropes between
Load and duplex type rope inner cable stress, make the stress of every steel cable in extension means all consistent, from
And avoid part steel wire rope and overload, premature abrasion and fatigue and the situation of premature failure occur, improve the life-span of steel wire rope
With the security of extension means.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model extension means；
Fig. 2 is the fitting arrangement of extension means；
Fig. 3 is the connection diagram of extension means；
Fig. 4 is the connection diagram of balance weight in extension means；
In figure：1st, steel wire rope bearing I, 2, stabilizer, 3, duplex type rope, 4, stretch wheel, 5, stretch wheel seat, 6, flexible oil
Cylinder, 7, balance weight, 8, steel wire rope bearing II, 9, bearing pin.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by drawings and Examples,
The utility model is further elaborated.However, it should be understood that specific embodiment described herein is only to solve
The utility model is released, scope of the present utility model is not limited to.
Unless otherwise defined, all technical terms and scientific terminology used herein are with belonging to skill of the present utility model
The implication that the technical staff in art field is generally understood that is identical, herein in term used in the description of the present utility model only
It is to describe the purpose of specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1 and Figure 2, a kind of self-balancing extension means for duplex type rope, including with telescopic arm support first segment
Steel wire rope bearing I 1 that arm is fixedly connected, the stabilizer 2 being arranged in steel wire rope bearing I 1, it is connected on steel wire rope bearing I 1
Duplex type rope 3, the telescopic oil cylinder 6 for being used to driving each joint arm to stretch positioned at the lower section of duplex type rope 3, fix and connect with arm support three joint arms
The steel wire rope bearing II 8 connect and the balance weight 7 being connected with steel wire rope bearing II 8；
The telescopic oil cylinder 6 includes cylinder barrel and cylinder rod, and cylinder barrel and the joint arm of arm support second of telescopic oil cylinder 6 are fixed, and stretch oil
The cylinder rod of cylinder 6 is fixed with the joint arm of arm support first, and the cylinder barrel end of the telescopic oil cylinder 6 is stretched on wheel seat 5 provided with wheel seat 5 is stretched
4 are taken turns provided with stretching；
The duplex type rope 3 is single joint loop configuration, and the non junction end steel wire rope of duplex type rope 3 is wound on stabilizer 2
It is slidably connected with steel wire rope bearing I 1, the tip side steel wire rope of the duplex type rope 3 bypasses stretching, extension wheel 4 and connected with the balance weight 7
Connect.
As the improvement of embodiment, the stabilizer 2 is connected by bearing pin 9 with steel wire rope bearing I 1.Connected using bearing pin,
Ensure that stabilizer 2 plays pulley action, when duplex type rope 3 is wrapped on stabilizer 2, stabilizer 2 being capable of autobalance winding
The pulling force of both sides steel wire rope thereon, it is ensured that steel wire rope stress is identical in unilateral rope.
As the improvement of embodiment, the stretching, extension wheel 4 is connected by bearing pin 9 with stretching wheel seat 5.Stretched using the connection of bearing pin 9
Exhibition wheel 4 is with stretching wheel seat 5, it is ensured that stretching wheel 4 can rotate, and plays movable pulley effect.
As the further improvement of embodiment, the two ends of balance weight 7 are respectively by bearing pin 9 and steel wire rope bearing II 8, double
The tip side connection for rope 3 of restricting.
As the further improvement of embodiment, as shown in figure 4, the section of the balance weight 7 is in isosceles triangle shape, isosceles
It is provided with the drift angle of the balance weight 7 of triangle at a macropore, two base angles and is provided with two apertures, and two apertures correspondence is arranged in balance
The lower end of block 7, the balance weight 7 is connected by drift angle macropore with steel wire rope bearing II 8, balance weight 7 by two base angle apertures with
The tip side of duplex type rope 3 is connected.When the rope stress of left and right two is not waited, duplex type rope 3 is with dynamic balance weight 7 around itself and steel wire rope
The bearing pin 9 that bearing II 8 is connected is swung, the difference in length of the duplex type rope 3 of the single joint loop configuration in compensation left and right two, balance left and right
The stress of two ropes, it is ensured that the stress of the duplex type rope 3 of the single joint loop configuration in left and right two is identical all the time.
As the improvement of embodiment, the stabilizer 2 has two, and two stabilizers 2 are arranged symmetrically in steel wire rope bearing I 1
Two coordinated with stabilizer 2 are provided with internal two ends, the stretching, extension wheel seat 5 and stretch wheel 4.2 points of the stabilizer is flat for left side
Weighing apparatus wheel, right hand balance wheel, the stretching, extension wheel 4 be also classified into left side stretch wheel, right side stretch wheel, and positioned at homonymy stabilizer 2 with
Stretch wheel 4 to cooperate, it is ensured that the normal rotation of duplex type rope 3 is used.
As the improvement of embodiment, if the steel wire rope bearing II 8 is fastened in arm support three joint arms by bolt stem.Peace
Dress is convenient, and integrated model steadiness is high.
When arm support stretches, telescopic oil cylinder 6 is overhanging, because its cylinder rod is fixedly connected (in such as Fig. 3 at A with the joint arm of arm support first
It is shown), its cylinder barrel is fixedly connected with (as shown in B in Fig. 3) with the joint arm of arm support second, now, and telescopic oil cylinder 6 drives the second joint arm
Flex outward；Simultaneously as the duplex type rope 3 of single joint loop configuration is bypassed after the stretching, extension wheel 4 of the end of telescopic oil cylinder 6, duplex type
The tip side steel wire rope of rope 3 is connected by balance weight 7 and steel wire rope bearing II 8 with arm support three joint arms, wherein stretching 4, wheel
To movable pulley effect, therefore, the duplex type rope 3 of single joint loop configuration drives three joint arms with the overhanging speed of telescopic oil cylinder 6
Two speeds are flexed outward, so as to realize the two, function of three joint arms synchronous extension.
The operation principle of duplex type rope Self-balancing of the present utility model is as follows：Rope is using single joint ring junction first
The duplex type rope 3 of structure, its only one of which joint, one end wirerope-winding without joint is on stabilizer 2, and stabilizer 2 is played
Pulley action, the pulling force of autobalance both sides steel wire rope wound on it, it is ensured that steel wire rope stress is identical in unilateral rope；Its
Secondary, the tip side of the duplex type rope 3 of the single joint loop configuration in left and right two is connected with balance weight 7 by bearing pin 9, when the rope of left and right two
When stress is not waited, duplex type rope 3 is swung with dynamic balance weight 7 around its bearing pin 9 being connected with steel wire rope bearing II 8, compensation left and right two
The difference in length of the duplex type rope of single joint loop configuration, the stress of two ropes of balance left and right, it is ensured that the single joint annular in left and right two
The stress of the duplex type rope 3 of structure is identical all the time.
This extension means with Self-balancing suitable for duplex type rope that the utility model is provided, can be simultaneously
The stress of load and duplex type rope inner cable between two ropes of balance left and right, makes every steel cable in extension means
Stress it is all consistent so that avoiding part steel wire rope overload, premature abrasion and fatigue and the situation of premature failure occurs, improve
The life-span of steel wire rope and the securities of extension means.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of self-balancing extension means for duplex type rope, it is characterised in that including solid with the joint arm of telescopic arm support first
Surely the steel wire rope bearing I (1) that connects, the stabilizer (2) being arranged in steel wire rope bearing I (1), it is connected to steel wire rope bearing I (1)
On duplex type rope (3), be used to below the duplex type rope (3) driving each joint arm to stretch telescopic oil cylinder (6), with arm support the 3rd
Steel wire rope bearing II (8) that joint arm is fixedly connected and the balance weight (7) being connected with steel wire rope bearing II (8)；
The telescopic oil cylinder (6) includes cylinder barrel and cylinder rod, and cylinder barrel and the joint arm of arm support second of telescopic oil cylinder (6) are fixed, and stretch oil
The cylinder rod of cylinder (6) is fixed with the joint arm of arm support first, and wheel is stretched in the cylinder barrel end of the telescopic oil cylinder (6) provided with wheel seat (5) is stretched
Seat (5) is provided with stretching, extension wheel (4)；
The duplex type rope (3) is single joint loop configuration, and the non junction end steel wire rope of duplex type rope (3) is wound on stabilizer (2)
Upper to be slidably connected with steel wire rope bearing I (1), the tip side steel wire rope of the duplex type rope (3) bypasses stretching, extension wheel (4) and put down with described
The block (7) that weighs is connected.
2. a kind of self-balancing extension means for duplex type rope according to claim 1, it is characterised in that the balance
Wheel (2) is connected by bearing pin (9) with steel wire rope bearing I (1).
3. a kind of self-balancing extension means for duplex type rope according to claim 2, it is characterised in that the stretching, extension
Wheel (4) is connected by bearing pin (9) with stretching wheel seat (5).
4. a kind of self-balancing extension means for duplex type rope according to claim 3, it is characterised in that the balance
Block (7) two ends are connected by bearing pin (9) with the tip side of steel wire rope bearing II (8), duplex type rope (3) respectively.
5. a kind of self-balancing extension means for duplex type rope according to claim 4, it is characterised in that the balance
Block (7) is in isosceles triangle shape, is provided with a macropore, two base angles that to be provided with two small at the drift angle of isosceles triangle shape balance weight (7)
Hole, the balance weight (7) is connected by drift angle macropore with steel wire rope bearing II (8), balance weight (7) by two base angle apertures with it is double
The tip side of rope of restricting (3) is connected.
6. a kind of self-balancing extension means for duplex type rope according to claim 1, it is characterised in that the balance
Taking turns (2) has two, and two stabilizers (2) are arranged symmetrically in the internal two ends of steel wire rope bearing I (1), the stretching, extension wheel seat (5)
(4) are taken turns provided with being stretched with stabilizer (2) coordinates two.
7. a kind of self-balancing extension means for duplex type rope according to claim 1, it is characterised in that the steel wire
Bearing II (8) restrict if being fastened on by bolt stem in arm support three joint arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379100.0U CN206437835U (en) | 2016-12-15 | 2016-12-15 | Self-balancing extension means for duplex type rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379100.0U CN206437835U (en) | 2016-12-15 | 2016-12-15 | Self-balancing extension means for duplex type rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206437835U true CN206437835U (en) | 2017-08-25 |
Family
ID=59648514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621379100.0U Withdrawn - After Issue CN206437835U (en) | 2016-12-15 | 2016-12-15 | Self-balancing extension means for duplex type rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206437835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495065A (en) * | 2016-12-15 | 2017-03-15 | 徐工消防安全装备有限公司 | A kind of self-balancing extension means for duplex type rope |
-
2016
- 2016-12-15 CN CN201621379100.0U patent/CN206437835U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495065A (en) * | 2016-12-15 | 2017-03-15 | 徐工消防安全装备有限公司 | A kind of self-balancing extension means for duplex type rope |
| CN106495065B (en) * | 2016-12-15 | 2019-05-14 | 徐工消防安全装备有限公司 | A kind of self-balancing extension means for duplex type rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170825 Effective date of abandoning: 20190514 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170825 Effective date of abandoning: 20190514 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |