CN109264597A - Folding-jib crane - Google Patents
Folding-jib crane Download PDFInfo
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- CN109264597A CN109264597A CN201811309429.3A CN201811309429A CN109264597A CN 109264597 A CN109264597 A CN 109264597A CN 201811309429 A CN201811309429 A CN 201811309429A CN 109264597 A CN109264597 A CN 109264597A
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
A kind of folding-jib crane, comprising: revolute joint including first level arm, the second horizontal arm and realizes the hinged articulated shaft of the two；Flexible gear, including fixed wheel group, horizontal driving wheel and flexible element, fixed wheel group is set on articulated shaft and including axial vertical vertical fixed wheel, vertical fixed wheel is arranged in pairs, press horizontal mobile wheel shaft is to horizontally being arranged on the second horizontal arm, flexible element is successively tensioned any one for connecting first level arm, pair of vertical fixed wheel and horizontal driving wheel, flexible element and can be held in linear reciprocation between pair of vertical fixed wheel；Position compensation mechanism, including cam and driven member group, cam are set on articulated shaft, and driven member group is used to drive horizontal driving wheel with respect to the second horizontal arm vertical lifting by actuated by cams.Folding-jib crane provided by the invention can be such that load center of gravity remains unchanged with respect to the horizontal position of the second horizontal arm with vertical position, realize the compensation of trailing type sync bit, guarantee smoothness, sensitivity and the precision of folding arm rotary motion.
Description
Technical field
The invention belongs to lifting technique fields, are a kind of folding-jib cranes specifically.
Background technique
Crane arm is a kind of important hoisting mechanism.Traditional crane arm generally in installing electric hoist on straight-arm, is directly applied
Add castering action.Electric hoist self weight is very big, and generally uses I-steel guide rail, causes the horizontal movement inertia of electric hoist very big,
Horizontal movement is inconvenient.
In order to realize moving horizontally for load, industry proposes folding-jib structure.Folding-jib structure is generally by mostly folding arm
It hingedly forms step by step, moving horizontally for load is realized with the rotary motion between folding arm.Nevertheless, folding-jib structure also has
Be difficult to the drawbacks of overcoming.Existing folding-jib structure cannot achieve position compensation, to the autokinesis and precision band of folding arm
Carry out serious negative effect.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of folding-jib crane, it can be achieved that trailing type is synchronous
Position compensation avoids load that relative position play occurs, and guarantees smoothness, sensitivity and the precision of folding arm rotary motion.
The purpose of the present invention is achieved through the following technical solutions:
A kind of folding-jib crane, comprising:
Revolute joint including first level arm, the second horizontal arm and realizes the hinged articulated shaft of the two；
Flexible gear, including fixed wheel group, horizontal driving wheel and flexible element, the fixed wheel group are set on the articulated shaft
And including axial vertical vertical fixed wheel, the vertical fixed wheel is arranged in pairs, and the press horizontal mobile wheel shaft is to horizontally being arranged at
It states on the second horizontal arm, the flexible element is successively tensioned any one for connecting the first level arm, pair of vertical fixed wheel and institute
Horizontal driving wheel is stated, the flexible element can be held in linear reciprocation between the pair of vertical fixed wheel；
Position compensation mechanism, including cam and driven member group, the cam are set on the articulated shaft；The driven member
Group by the actuated by cams and can horizontal linear move back and forth on second horizontal arm, for driving the horizontal driving wheel phase
To the second horizontal arm vertical lifting.
As an improvement of the above technical solution, the driven member group include sequentially connected roller follower, movable body with
Be oriented to actuator, the movable body can horizontal linear move back and forth on second horizontal arm, the guiding actuator is used for
Guiding drives the horizontal driving wheel along inclined direction straight reciprocating motion, and the inclined direction and horizontal direction, vertical direction are equal
It is not parallel.
As a further improvement of the above technical scheme, the guiding actuator has and leads along what the inclined direction was arranged
To slot, the horizontal driving wheel can be held in straight reciprocating motion in the guide groove；Or the guiding actuator includes along institute
State inclined direction arrangement linear guide, the horizontal driving wheel by sliding block can straight reciprocating motion in the linear guide
On.
As a further improvement of the above technical scheme, the press horizontal mobile axle end has spring bearing, the support shaft
Hold can along inclined direction straight reciprocating motion on the guiding actuator.
As a further improvement of the above technical scheme, second horizontal arm has limiting slot, and the horizontal driving wheel can
It is held in vertical lifting in the limiting slot.
As a further improvement of the above technical scheme, the folding-jib crane further includes rigid lifting mechanism, described
Rigid lifting mechanism includes the first vertical arm and the second vertical arm, and it is separate that first vertical arm is installed on second horizontal arm
One end of the articulated shaft, second vertical arm can vertical lifting in first vertical arm, the horizontal driving wheel setting
In the junction of second horizontal arm and first vertical arm, the flexible element extended downwardly from the horizontal driving wheel one
End is connected to second vertical arm.
As a further improvement of the above technical scheme, second horizontal arm or first vertical arm have limit
Slot, the press horizontal mobile axle end have spring bearing, the spring bearing is horizontally moveable and vertical lifting be held in it is described
In limiting slot.
As a further improvement of the above technical scheme, the limiting slot is arranged in a vertical direction, the spring bearing with
There is fit clearance between the limiting slot.
As a further improvement of the above technical scheme, the flexible gear includes being rotatably held in the hinge
Gear frame in spindle, the vertical fixed wheel are arranged in pairs on the gear frame, and the flexible element is tensioned to pair of vertical
It can be held in any one of fixed wheel and linear reciprocation therebetween.
As a further improvement of the above technical scheme, pairs of vertical fixed wheel is symmetrical about the articulated shaft.
The beneficial effects of the present invention are:
Horizontal convolution with the second horizontal arm with respect to first level arm, actuated by cams driven member group level of synchronization straight line are past
It is multiple, drive horizontal driving wheel with respect to the second horizontal arm vertical lifting by driven member group, to bear caused by offsetting due to level convolution
The center of gravity of load is gone up and down, and is remained unchanged load center of gravity with vertical position with respect to the horizontal position of the second horizontal arm, is realized trailing type
Sync bit compensation, guarantees smoothness, sensitivity and the precision of folding arm rotary motion.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the axonometric schematic diagram for the folding-jib crane that the embodiment of the present invention 1 provides；
Fig. 2 is enlarged diagram at the M of folding-jib crane in Fig. 1；
Fig. 3 is the partial schematic diagram of the joint portion for the folding-jib crane that the embodiment of the present invention 1 provides；
Fig. 4 is the partial schematic diagram of the second horizontal arm of the folding-jib crane that the embodiment of the present invention 1 provides；
Fig. 5 is the partial schematic diagram at the horizontal driving wheel for the folding-jib crane that the embodiment of the present invention 1 provides；
Fig. 6 is the application schematic diagram for the folding-jib crane that the embodiment of the present invention 1 provides.
Main element symbol description:
1000- folding-jib crane, 0100- revolute joint, 0110- first level arm, the second horizontal arm of 0120-, 0121-
Limiting slot, 0130- articulated shaft, 0200- rigid lifting mechanism, the first vertical arm of 0210-, the second vertical arm of 0220-, 0300- are scratched
Property transmission mechanism, the vertical fixed wheel of 0310-, 0311- be tensioned face, the horizontal driving wheel of 0320-, 0321- first bearing, the second axis of 0322-
It holds, 0330- flexible element, 0340- gear frame, 0400- position compensation mechanism, 0410- cam, 0420- driven member group, 0421- rolling
Sub- driven member, 0422- movable body, 0423- guiding actuator, 0423a- guide groove, 0424- sliding seat, 2000- pole bracket,
3000- drives host.
Specific embodiment
To facilitate the understanding of the present invention, folding-jib crane is described more fully below with reference to relevant drawings.
The preferred embodiment of folding-jib crane is given in attached drawing.But folding-jib crane can pass through many different forms
To realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to folding-jib lifting
The disclosure of machine is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.It is intended merely to herein in the term used in the description of folding-jib crane
The purpose of specific embodiment is described, it is not intended that the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of a relevant listed item.
Embodiment 1
Referring to Fig. 1, the present embodiment discloses a kind of folding-jib crane 1000, including revolute joint 0100, flexible driving
Mechanism 0300 and position compensation mechanism 0400 guarantee the steady of folding arm rotary motion for realizing the compensation of trailing type sync bit
Degree, sensitivity and precision.
Revolute joint 0100 includes the hinged articulated shaft of both first level arm 0110, the second horizontal arm 0120 and realizations
0130, form the basic joint structure of folding arm.Under hinged relationship, the second horizontal arm 0120 can be real around the rotation of articulated shaft 0130
Now with respect to the folding or expansion of first level arm 0110.It is appreciated that articulated shaft 0130 is installed on first level arm 0110 and
On one of two horizontal arms 0120, and has between another one and relatively rotate.Exemplarily, articulated shaft 0130 is installed on first
On horizontal arm 0110, the second horizontal arm 0120 is rotated around articulated shaft 0130.
Wherein, first level arm 0110 is distinguished horizontally extending with the second horizontal arm 0120, and articulated shaft 0130 is axial
Keep vertical.Exemplarily, in the application of single folding arm, Fig. 1 and Fig. 6 are please referred to, first level arm 0110 is installed on cantilever
On bracket 2000；In the application of more folding arms, first level arm 0110 is articulated with another water far from one end of the second horizontal arm 0120
On flat arm.
Fig. 1 and Fig. 3 are please referred to, flexible gear 0300 transmits for realizing the movement of revolution folding arm, including fixed
Wheel group, horizontal driving wheel 0320 and flexible element 0330.Fixed wheel group is set on articulated shaft 0130, including axial vertical vertical fixed wheel
0310.Vertical fixed wheel 0310 is arranged in pairs, and realizes first level arm 0110 and for respectively driving the rotation of articulated shaft 0130
Folding/expansion between two horizontal arms 0120.Horizontal driving wheel 0320 is axial horizontally to be arranged on the second horizontal arm 0120, is used for
Realize the guiding to flexible element 0330.
Wherein, flexible element 0330 is successively tensioned one of connection first level arm 0110, pairs of vertical fixed wheel 0310
With horizontal driving wheel 0320, for realizing the transmitting of vertical lifting force and horizontal impulse.Wherein, flexible element 0330 can linear reciprocation
Ground is held between aforementioned pairs of vertical fixed wheel 0310.In other words, vertical fixed wheel 0310 has tensioning face 0311, and pairs of is perpendicular
The tensioning face 0311 of straight fixed wheel 0310 keeps opposite and surrounds to form a receiving portion, and flexible element 0330 can run through to linear reciprocation should
Receiving portion.
Under driving force effect, when the second horizontal arm 0120 is turned round in the side of first level arm 0110, flexible element
0330 is tensioned on one of pairs of vertical fixed wheel 0310；When the second horizontal arm 0120 is in the another of first level arm 0110
When side is turned round, flexible element 0330 is tensioned on the other of pairs of vertical fixed wheel 0310；When first level arm 0110 and
When two 0120 keeping parallelisms of horizontal arm, 0120 keeping parallelism of flexible element 0330 and the second horizontal arm.It should be appreciated that flexible element 0330
Sliding for drive load linearity move or rotation.
Flexible element 0330 is tensioned to horizontal driving wheel 0320 and extends outwardly and formed and load end, for receiving additional driving
Power or induction force signal.It is appreciated that the rotary power of the second horizontal arm 0120, which is originated from, is applied to flexible element 0330 in operator
Load end driving force, which is input to the second horizontal arm 0120 through flexible element 0330 and horizontal driving wheel 0320.
Flexible element 0330 and the connection of first level arm 0110 can be accomplished in several ways.For example, in single folding arm application
In, on pole bracket 2000 installation driving host 3000,0330 one ends wound of flexible element in driving host 3000 on and realize with
The connection of first level arm 0110, flexible element 0330 are driven by driving host 3000 and realize folding and unfolding；In the application of more folding arms, the
Vertical fixed wheel 0310 is arranged in the articulated section of one horizontal arm 0110 and another horizontal arm, and is tensioned and is connected to together by flexible element 0330
On the vertical fixed wheel 0310 of articulated shaft 0130.
Supplementary explanation, flexible driving relationship is a kind of mechanically operated form, usually by two or more driving wheels with scratch
Property part 0330 form, by flexible element 0330 between driving wheel passing movement and power.Not according to the type of flexible element 0330
Together, flexible driving mainly has V belt translation, chain conveyer and rope drive.Correspondingly, driving wheel is respectively belt wheel, sprocket wheel and rope sheave, is scratched
Property part 0330 be respectively transmission belt, transmission chain and transmission rope.In other words, vertical fixed wheel 0310 and horizontal driving wheel 0320 be sprocket wheel,
One of belt wheel or rope sheave, and match with the type of flexible element 0330.
Referring to Fig. 3, exemplarily, flexible gear 0300 further includes being rotatably held on articulated shaft 0130
Gear frame 0340, vertical fixed wheel 0310 are arranged in pairs on gear frame 0340.Exemplarily, pairs of vertical fixed wheel 0310 closes
It is symmetrical in articulated shaft 0130, guarantee preferably transmission effect.
Fig. 3~4 are please referred to, position compensation mechanism 0400 includes cam 0410 and the driven member group driven
0420, for realizing position compensation.Cam engagement relationship is formed between cam 0410 and driven member group 0420, by with curve wheel
Wide cam 0410 drives driven member group 0420, realizes the horizontal movement of driven member group 0420.Cam 0410 is set to articulated shaft
On 0130, moved with 0130 one of articulated shaft.Driven member group 0420 can horizontal linear move back and forth on the second horizontal arm 0120,
For driving horizontal driving wheel 0320 to realize shift in position.Wherein, the shift in position of horizontal driving wheel 0320, refers to it relative to second
The vertical lifting of horizontal arm 0120.
In other words, with the second horizontal arm 0120 around the rotation of articulated shaft 0130, between cam 0410 and driven member group 0420
Relative rotation occurs, due to the influence of the curved profile of cam 0410, driven member group 0420 occurs with respect to the second horizontal arm 0120
It moves horizontally.Driven member group 0420 moves horizontally and acts on horizontal driving wheel 0320, makes horizontal driving wheel 0320 relative to the second water
Flat 0120 vertical lifting of arm, so that the center of gravity lifting loaded caused by offsetting due to horizontal convolution, makes to load center of gravity with respect to second
The horizontal position of horizontal arm is remained unchanged with vertical position.
Exemplarily, under the driving of driven member group 0420, the forms of motion of horizontal driving wheel 0320 can be one of the following: when
When the second 0120 rotary expansion of horizontal arm, horizontal driving wheel 0320 rises vertically, offsets the decline that center of gravity is loaded caused by outreach；When
When second horizontal arm 0120 rotates folding, horizontal driving wheel 0320 is vertically lowered, and offsets the rising that center of gravity is loaded caused by folding.
It is compensated based on above-mentioned vertical position, length of the flexible element 0330 between vertical fixed wheel 0310 and horizontal driving wheel 0320
The vertical for spending constant, horizontal driving wheel 0320 is tangentially constant with the relative position of the first vertical arm 0210, avoids load center of gravity lifting
And the horizontal resistance as it caused by increases and folding arm is sprung back, and reduces required levels operation power and promotes operation ease, and advises
The potential interference to the rotational freedom of load is kept away, handling process is steady, has good safety.Further, since position is mended
The effect of mechanism 0400 is repaid, the second horizontal arm 0120 has indifferent equilibrium characteristic, can be in appointing relative to first level arm 0110
Meaning angular position stochastic equilibrium.
A variety of driven members, the types such as knife-edge follower, flat-face follower can be used in driven member group 0420.Incorporated by reference to ginseng
Fig. 3~5 are read, exemplarily, driven member group 0420 includes that sequentially connected roller follower 0421, movable body 0422 and guiding are driven
Moving part 0423.Wherein, roller follower 0421 and cam 0410 form cam engagement relationship.Movable body 0422 can horizontal linear it is past
Multiple movement realizes the horizontal drive to guiding actuator 0423 on the second horizontal arm 0120.
The implementation of movable body 0422 is numerous, including guiding rail mechanism, linear bearing mechanism, guide rod guide sleeve mechanism etc.
Type.Exemplarily, driven member group 0420 further includes sliding seat 0424, and sliding seat 0424 is installed on the second horizontal arm 0120,
Movable body 0422 can be held in straight reciprocating motion on sliding seat 0424.
Horizontal driving wheel 0320 can along inclined direction straight reciprocating motion in guiding actuator 0423 on, by guiding actuator
0423 realizes that motion guide and movement drive together.Wherein, the inclined direction and horizontal direction, vertical direction are not parallel.
Inclined direction and the angle of horizontal direction are selected according to actual needs, such as 30 °, 45 °, 60 ° etc..Exemplarily, second is horizontal
Arm 0120 has limiting slot 0121, and the banking motion of horizontal driving wheel 0320 is made to be converted to vertical lifting movement.Exemplarily, it limits
Slot 0121 is arranged in a vertical direction (can be vertical waist-shaped hole).The implementation for being oriented to actuator 0423 is numerous, only lifts number below
Example explanation.
Exemplarily, it (can be inclination waist type that guiding actuator 0423, which has the guide groove 0423a along inclined direction arranged,
Hole), horizontal driving wheel 0320 can be held in straight reciprocating motion in guide groove 0423a.In the reciprocating motion of movable body 0422
Journey, guide groove 0423a in folding or were unfolded horizontal driving wheel 0320 from horizontal driving wheel 0320, realization is acted on forward or backwards
The guiding of journey drives.
Exemplarily, guiding actuator 0423 includes the linear guide along inclined direction arranged, horizontal driving wheel 0320 passes through
Sliding block and can straight reciprocating motion in linear guide.Linear guide and sliding block form linear guiding mechanism, and are driven by guiding
0423 output action power of part and realize driving.
Exemplarily, the shaft end of horizontal driving wheel 0320 has spring bearing (i.e. first bearing 0321), first bearing 0321
Can along inclined direction straight reciprocating motion in guiding actuator 0423 on.First bearing 0321 is for realizing to horizontal driving wheel 0320
Movement carrying, guarantee that the movement of horizontal driving wheel 0320 is steady.Meanwhile shape between first bearing 0321 and guiding actuator 0423
Cooperate at rolling, sport efficiency is prominent.Exemplarily, first bearing 0321 is set in guide groove 0423a.
Exemplarily, folding-jib crane 1000 further includes rigid lifting mechanism 0200.Rigid lifting mechanism 0200 includes
The first vertical arm 0210 and the second vertical arm 0220 extended along the vertical direction respectively carries for realizing to the rigidity of load,
It especially offsets torque caused by eccentric load and avoids thus caused beat shaking, guarantee that carrying is steady.
Wherein, the first vertical arm 0210 is installed on second one end of horizontal arm 0120 far from articulated shaft 0130, and second is vertical
Arm 0220 can vertical lifting in the first vertical arm 0210.In other words, the second vertical arm 0220 can be realized relatively along the vertical direction
The straight reciprocating motion of first vertical arm 0210.Meanwhile first vertical arm 0210 and the second vertical arm 0220 together with the second water
The movement of horizontal direction is put and realized to the rotary folding of flat arm 0120.Second vertical arm 0220 makes to load with for being hung load
Two vertical arm 0220 are realized vertical lifting together or are moved horizontally.
Wherein, the first vertical arm 0210 and the second vertical arm 0220 are rigid arm, form rigid motion cooperation.In rigidity
Under construction, the first vertical arm 0210 and the second vertical arm 0220 can be considered rigid body, deform extremely small and ignore.It is negative
It carries, especially eccentric load, the eccentric moment as caused by self weight or lateral external force is overcome by rigid body without becoming
Shape guarantees transmission accuracy and movement position precision, it is ensured that the suspention conveying of load is steady.
Wherein, horizontal driving wheel 0320 is set to the junction of the second horizontal arm 0120 and the first vertical arm 0210, flexible element
0330 is connected to the second vertical arm 0220 from one end that horizontal driving wheel 0320 extends downwardly, vertical by the driving of flexible element 0,330 second
0220 vertical lifting of arm.
Flexible element 0330 and the connection of the second vertical arm 0220 can be accomplished in several ways.For example, flexible element 0,330 1
The one end of the second vertical arm 0220 far from the first vertical arm 0210 is fixed at end, and the movement of the second vertical arm 0220 is led in realization
Draw, especially drives 0220 vertical lifting of the second vertical arm.Exemplarily, the lower end setting of the second vertical arm 0220 is axial horizontal
Horizontal fixed wheel, flexible element 0330 tensioning ground be fixed on horizontal fixed wheel.Wherein, between horizontal fixed wheel and the second vertical arm 0220
Relative motion does not occur.
Exemplarily, the second horizontal arm 0120 or the first vertical arm 0210 have limiting slot 0121, horizontal 0320 axis of driving wheel
End has spring bearing (i.e. second bearing 0322), and second bearing 0322 can be held in vertical lifting in limiting slot 0121.Show
Plasticity, limiting slot 0121 is arranged in a vertical direction (can be vertical waist-shaped hole).
Exemplarily, axial direction of the first bearing 0321 with second bearing 0322 along horizontal driving wheel 0320 is set gradually, and is used for
Realize different movement carryings.Exemplarily, first bearing 0321 and second bearing 0322 can be substituted by other rolling elements realizes.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitation of the scope of the invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of folding-jib crane characterized by comprising
Revolute joint including first level arm, the second horizontal arm and realizes the hinged articulated shaft of the two；
Flexible gear, including fixed wheel group, horizontal driving wheel and flexible element, the fixed wheel group are set on the articulated shaft and wrap
Axial vertical vertical fixed wheel is included, the vertical fixed wheel is arranged in pairs, and the press horizontal mobile wheel shaft is to horizontally being arranged at described the
On two horizontal arms, the flexible element is successively tensioned any one for connecting the first level arm, pair of vertical fixed wheel and the water
Translation wheel, the flexible element can be held in linear reciprocation between the pair of vertical fixed wheel；
Position compensation mechanism, including cam and driven member group, the cam are set on the articulated shaft；The driven member group by
The actuated by cams and can horizontal linear move back and forth on second horizontal arm, for driving the horizontal driving wheel with respect to institute
State the second horizontal arm vertical lifting.
2. folding-jib crane according to claim 1, which is characterized in that the driven member group includes sequentially connected rolling
Sub- driven member, movable body and guiding actuator, the movable body can horizontal linear move back and forth on second horizontal arm, institute
It states and is oriented to actuator for being oriented to the driving horizontal driving wheel along inclined direction straight reciprocating motion, the inclined direction and level
Direction, vertical direction are not parallel.
3. folding-jib crane according to claim 2, which is characterized in that the guiding actuator has along the inclination
The guide groove of direction arrangement, the horizontal driving wheel can be held in straight reciprocating motion in the guide groove；Or the guiding is driven
Moving part include along the inclined direction arrangement linear guide, the horizontal driving wheel by sliding block can straight reciprocating motion in institute
It states in linear guide.
4. folding-jib crane according to claim 2, which is characterized in that the press horizontal mobile axle end has support shaft
Hold, the spring bearing can along inclined direction straight reciprocating motion on the guiding actuator.
5. folding-jib crane according to claim 2, which is characterized in that second horizontal arm has limiting slot, institute
Stating horizontal driving wheel can be held in vertical lifting in the limiting slot.
6. folding-jib crane according to claim 1, which is characterized in that it further include rigid lifting mechanism, the rigidity
Elevating mechanism includes the first vertical arm and the second vertical arm, and first vertical arm is installed on second horizontal arm far from described
One end of articulated shaft, second vertical arm can vertical lifting in first vertical arm, the horizontal driving wheel is set to institute
The junction of the second horizontal arm Yu first vertical arm is stated, the flexible element connects from one end that the horizontal driving wheel extends downwardly
It is connected to second vertical arm.
7. folding-jib crane according to claim 6, which is characterized in that second horizontal arm or described first is vertically
Arm has limiting slot, and the press horizontal mobile axle end has spring bearing, and the spring bearing can be held in vertical lifting described
In limiting slot.
8. folding-jib crane according to claim 7, which is characterized in that the limiting slot is arranged in a vertical direction, institute
Stating has fit clearance between spring bearing and the limiting slot.
9. folding-jib crane according to claim 1, which is characterized in that the flexible gear further includes rotatable
Ground is held in the gear frame on the articulated shaft, and the vertical fixed wheel is arranged in pairs on the gear frame.
10. folding-jib crane according to claim 9, which is characterized in that pairs of vertical fixed wheel is about described hinged
Axial symmetry distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309429.3A CN109264597A (en) | 2018-11-05 | 2018-11-05 | Folding-jib crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309429.3A CN109264597A (en) | 2018-11-05 | 2018-11-05 | Folding-jib crane |
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| CN109264597A true CN109264597A (en) | 2019-01-25 |
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| CN201811309429.3A Pending CN109264597A (en) | 2018-11-05 | 2018-11-05 | Folding-jib crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307156A (en) * | 2021-04-22 | 2021-08-27 | 中国水利水电夹江水工机械有限公司 | Hoisting and transporting system and method for low space |
| EP4194387A1 (en) * | 2021-12-10 | 2023-06-14 | Commissariat à l'énergie atomique et aux énergies alternatives | Articulated lifting apparatus with reduced parasitic forces |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152299A (en) * | 2011-02-25 | 2011-08-17 | 天津工业大学 | (6 plus 1)-dimension force feedback sensing device |
| CN102448683A (en) * | 2009-07-02 | 2012-05-09 | 松下电器产业株式会社 | Robot, control device for robot arm, and control program for robot arm |
| CN203582335U (en) * | 2013-09-22 | 2014-05-07 | 南车株洲电力机车研究所有限公司 | Cantilever crane of engine room |
| CN203767881U (en) * | 2014-04-11 | 2014-08-13 | 李忠伦 | Tower crane type brick moving and stacking device |
| CN203807000U (en) * | 2013-01-11 | 2014-09-03 | 科恩起重机有限公司 | Foldable cantilever crane framework |
| CN205772967U (en) * | 2016-07-21 | 2016-12-07 | 浙江翱力机械有限公司 | Molten steel loop wheel machine is used in a kind of casting |
| CN206336953U (en) * | 2016-12-27 | 2017-07-18 | 浙江中建路桥设备有限公司 | A kind of Mobile rotary cantilever crane |
| CN206494662U (en) * | 2016-12-30 | 2017-09-15 | 上海涵勋自动化设备有限公司 | A kind of folding-jib crane |
| CN108726397A (en) * | 2018-07-05 | 2018-11-02 | 北京诚田恒业煤矿设备有限公司 | A kind of underground mine use stent-type hydraulic crane device |
| CN208037874U (en) * | 2018-03-19 | 2018-11-02 | 江阴市凯力起重电机有限公司 | Crank arm type cantilever crane |
| CN208964422U (en) * | 2018-11-05 | 2019-06-11 | 深圳龙海特机器人科技有限公司 | Folding-jib crane |
-
2018
- 2018-11-05 CN CN201811309429.3A patent/CN109264597A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448683A (en) * | 2009-07-02 | 2012-05-09 | 松下电器产业株式会社 | Robot, control device for robot arm, and control program for robot arm |
| CN102152299A (en) * | 2011-02-25 | 2011-08-17 | 天津工业大学 | (6 plus 1)-dimension force feedback sensing device |
| CN203807000U (en) * | 2013-01-11 | 2014-09-03 | 科恩起重机有限公司 | Foldable cantilever crane framework |
| CN203582335U (en) * | 2013-09-22 | 2014-05-07 | 南车株洲电力机车研究所有限公司 | Cantilever crane of engine room |
| CN203767881U (en) * | 2014-04-11 | 2014-08-13 | 李忠伦 | Tower crane type brick moving and stacking device |
| CN205772967U (en) * | 2016-07-21 | 2016-12-07 | 浙江翱力机械有限公司 | Molten steel loop wheel machine is used in a kind of casting |
| CN206336953U (en) * | 2016-12-27 | 2017-07-18 | 浙江中建路桥设备有限公司 | A kind of Mobile rotary cantilever crane |
| CN206494662U (en) * | 2016-12-30 | 2017-09-15 | 上海涵勋自动化设备有限公司 | A kind of folding-jib crane |
| CN208037874U (en) * | 2018-03-19 | 2018-11-02 | 江阴市凯力起重电机有限公司 | Crank arm type cantilever crane |
| CN108726397A (en) * | 2018-07-05 | 2018-11-02 | 北京诚田恒业煤矿设备有限公司 | A kind of underground mine use stent-type hydraulic crane device |
| CN208964422U (en) * | 2018-11-05 | 2019-06-11 | 深圳龙海特机器人科技有限公司 | Folding-jib crane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307156A (en) * | 2021-04-22 | 2021-08-27 | 中国水利水电夹江水工机械有限公司 | Hoisting and transporting system and method for low space |
| CN113307156B (en) * | 2021-04-22 | 2022-11-08 | 中国水利水电夹江水工机械有限公司 | Hoisting and transporting system and method for low space |
| EP4194387A1 (en) * | 2021-12-10 | 2023-06-14 | Commissariat à l'énergie atomique et aux énergies alternatives | Articulated lifting apparatus with reduced parasitic forces |
| FR3130182A1 (en) * | 2021-12-10 | 2023-06-16 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Articulated lifting device with reduced parasitic forces |
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