CN205740058U - A kind of fixed double leval jib gantry crane - Google Patents
A kind of fixed double leval jib gantry crane Download PDFInfo
- Publication number
- CN205740058U CN205740058U CN201620689830.4U CN201620689830U CN205740058U CN 205740058 U CN205740058 U CN 205740058U CN 201620689830 U CN201620689830 U CN 201620689830U CN 205740058 U CN205740058 U CN 205740058U
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- China
- Prior art keywords
- fixed
- double leval
- leval jib
- gantry crane
- display rack
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Abstract
The utility model discloses a kind of fixed double leval jib gantry crane, belong to technical field of crane equipment.This utility model includes fixing base station, cylinder, turntable and the head tree being sequentially connected with from bottom to up, also includes jib lubbing mechanism and 2 big connecting rods and the double leval jib framework of 2 small rod compositions；Wherein: described head tree is perpendicularly fixed at turntable center position；The both sides of turntable radial line are fixed in one end of described 2 big connecting rods, and one end of the other end and 2 small rods is connected by rotating shaft, and the other end of 2 small rods gradually closes up the top being joined together to form arm Display Rack；Described jib lubbing mechanism is arranged on turntable in the machine room arranged.The arm display rack structure of this utility model double leval jib framework is stable, it is not easy to affected by wind and swing, and jib lubbing mechanism is capable of the effect of lifting amplitude of variation, only need to increase luffing assembly pulley and steel wire rope, and cost of manufacture is low.
Description
Technical field
This utility model relates to technical field of crane equipment, particularly relates to a kind of fixed double leval jib gantry crane.
Background technology
Crane gear is divided into gantry crane, bridge crane, beam cranes and cantilever crane by device structure, its
Middle gantry crane main representative equipment is straddle truck, and it is Bridge Erector that bridge crane mainly represents equipment, cantilever crane master
Equipment to be represented is tower crane.Gantry crane is mainly used in construction site, factory floor and the lifting of shipyard harbour weight, water
The work operations such as translation is dynamic.Gantry crane is mainly by hoisting overhead travelling crane, girder, supporting leg, walking mechanism and electric hydraulic system group
Become.Its operation principle is: utilize the hoisting overhead travelling crane being arranged on girder that heavy lift, supporting leg upper end are coupled girder, under
End couples with walking mechanism, by being arranged on the driving of motor in walking mechanism, it is achieved crane is the effect of movement on rail,
Hoisting overhead travelling crane also can be walked on girder simultaneously, finally realizes weight hangs the effect moving on to another place from a place.
High pedestal jib crane is as what the development of harbour cause got up.1890, for the first time can not by amplitude
The fixed rotatable arm Display Rack type crane become is contained on operation type half gate seat being across above narrow harbour, becomes in early days
Port is developed along with the increasing of harbour width, gate seat and half gantry crane side by side with half gantry crane, and commonly used pitching
Arm Display Rack and level luffing system.After World War II, port gantry crane develops rapidly for ease of multiple stage crane
Same ship is worked side by side, the rotary-column type gantry crane that commonly used rotating part is connected with column body, or turn
The rolling bearing type supporting rotaring device that dynamic part is connected with gate seat by big bearing, to reduce the tail footpath of rotating part, and adopts
The gate seat structure of face (projection to ground of the gate seat main body) is covered with reduction harbour.In evolution, gantry crane is also
Progressively promote the use of the operating condition building berth close with harbour and building site, power station etc..
The lifting structure of existing high pedestal jib crane there are and hoists and luffing conversion complexity, asking of inconvenient operation
Topic, is additionally, since the side single load bearing of rotating disk jib stress, and rotating disk, by force unbalance, have impact on the service life of rotating disk.
Through retrieval, Publication No. CN104891350A, the Chinese patent of publication date 2015.09.09 discloses a kind of gate seat
Formula crane suspension system, it includes turntable, upper rotary column, big pull bar, arm Display Rack and trunk beam, described turntable rotatably arranged with
On the door frame of crane, described upper rotary column is arranged on described turntable, and wherein, one end of described big pull bar is articulated with on described
The upper end of rotary column, one end of the hinged described trunk beam of the other end, the other end of described trunk beam stretches out lifting steel wire connecting shackle,
One end of described arm Display Rack is articulated with on described turntable, and the other end is articulated with the middle part of described trunk beam, described arm Display Rack and institute
Stating and be hinged with lower link bar between big pull bar, one end that described lower link bar is connected with described big pull bar is provided with bascule, described
Lower link bar is connected with the hinged place of described arm Display Rack driving tooth bar, coordinates and drives tooth bar to be provided with driving on described upper rotary column
Gear.This utility model realizes luffing by the lifting and decline increasing baroque trunk beam, adds manufacturing cost.
Utility model content
1. utility model to solve the technical problem that
For high pedestal jib crane lifting present in prior art with luffing conversion is complicated, rotating disk stress is unbalanced asks
Topic, this utility model provides a kind of fixed double leval jib gantry crane.It achieves liter by the combination of luffing assembly pulley
Fall and the synergistic purpose of luffing, by rotating disk bottom weight, reduce the imbalance of rotating disk both sides stress, only need to increase cunning
Wheels, steel wire rope and counterweight, cost of manufacture is low.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
A kind of fixed double leval jib gantry crane, including the fixing base station being sequentially connected with from bottom to up, cylinder, turntable and
Head tree, also includes jib lubbing mechanism and 2 big connecting rods and the double leval jib framework of 2 small rod compositions, the arm exhibition of double leval jib framework
Shelf structure is stable, it is not easy to affected by wind and swing；Wherein: described head tree is perpendicularly fixed at turntable center position；Described 2
The both sides of turntable radial line are fixed in one end of individual big connecting rod, and one end of the other end and 2 small rods is connected by rotating shaft, and 2 little
The other end of connecting rod gradually closes up the top being joined together to form arm Display Rack；Described jib lubbing mechanism is arranged on turntable setting
In machine room, jib lubbing mechanism is capable of the effect of lifting amplitude of variation, only need to increase luffing assembly pulley and steel wire rope, makes
Low cost.
Preferably, described jib lubbing mechanism includes amplitude-changing drum, luffing pulley A and variable-amplitude steel wire rope；The one of variable-amplitude steel wire rope
End is fixed on amplitude-changing drum, and the other end is fixed on the head of arm Display Rack after walking around luffing pulley A；Described amplitude-changing drum (91) is solid
In machine room, three simply coordinates, and i.e. achieves the change of lifting amplitude, simple to operate, it is possible to coordinate the change of lifting height
Change.
Preferably, described jib lubbing mechanism also includes the luffing pulley B being fixed on the head of arm Display Rack；Variable-amplitude steel wire rope another
One end is fixed on head tree after walking around luffing pulley A and luffing pulley B successively, and the sister block structure of luffing assembly pulley plays
Labour-saving effect.
Preferably, being embedded with at least 4 barbs in fixing base station, shank connects by flange and bolt and cylinder are fixing,
To ensure stability during crane load.
Preferably, connect between described 2 big connecting rods and have the gimbal lever, the gimbal lever is fixed with the balancing stand of external-open, balance
The bearing of trend of the free end of frame and arm Display Rack in opposite direction, the gimbal lever and balance erect the work that counter-jib Display Rack bears a heavy burden
With, alleviating bears a heavy burden due to arm Display Rack both sides produces the de-stabilising effect that balance causes.
Preferably, the exterior wall of described machine room arranges drivers' cab, and the operator seat visual field is towards arm Display Rack, the most properly, the visual field
Space is good；It is provided with wiper on the transparent part for front sight glass of drivers' cab, driver can be allowed to tackle rainy weather, when rainy also
Lifting work can be realized.
Preferably, the bottom side of arm Display Rack is provided with device of surely restricting, and is connected by steel wire rope and weight, can prevent weight wind-engaging shadow
The swing rung；Connect on the steel wire rope of the hook assembly of heavy burden weight and have swirel, it is possible to avoid steel wire rope to be affected by weight
Rotate excessively reduction of service life.
Preferably, the bottom of described turntable is fixed with counterweight, at the opposite side that arm Display Rack is relative, alleviates rotating disk both sides
The harmful effect that the imbalance of stress causes.
Preferably, all pulleys are rolling pulley, can tackle the working condition of complexity, and pulley minimum diameter is not less than steel wire
25 times of rope diameter, angle ＜ 5 ° of deflection during steel wire rope turnover pulley, to ensure the concordance of steel wire rope force direction, it is to avoid
Produce to turn round and promote and luffing to power impact.
3. beneficial effect
The technical scheme using this utility model to provide, compared with prior art, has the advantages that
(1) one of the present utility model fixed double leval jib gantry crane, the arm display rack structure of double leval jib framework is stable,
Being not easy affected by wind and swing, jib lubbing mechanism is capable of the effect of lifting amplitude of variation, only need to increase luffing assembly pulley
With steel wire rope, cost of manufacture is low；
(2) one of the present utility model fixed double leval jib gantry crane, amplitude-changing drum, luffing pulley A and luffing steel
The simple cooperation of cord, i.e. achieves the change of lifting amplitude, simple to operate, it is possible to coordinate the change of lifting height；
(3) one of the present utility model fixed double leval jib gantry crane, the sister block structure of luffing assembly pulley, plays
Labour-saving effect；
(4) one of the present utility model fixed double leval jib gantry crane, Reinforced Concrete Materials, be inside embedded with at least
4 barbs, to ensure stability during crane load；
(5) one of the present utility model fixed double leval jib gantry crane, the gimbal lever plays what counter-jib Display Rack bore a heavy burden
Effect, alleviating bears a heavy burden due to arm Display Rack both sides produces the de-stabilising effect that balance causes；
(6) one of the present utility model fixed double leval jib gantry crane, the exterior wall of machine room arranges drivers' cab, and height closes
Suitable, the Space in the visual field is good；Wiper can allow driver tackle rainy weather, also can realize lifting work when rainy；
(7) one of the present utility model fixed double leval jib gantry crane, steady rope device can prevent weight by wind effect
Swing, improve lifting height and the stability of amplitude of variation；Swirel is it can be avoided that steel wire rope is affected rotation excessively by weight
And reduction of service life；
(8) one of the present utility model fixed double leval jib gantry crane, counterweight is fixed on the bottom of turntable, alleviates
The harmful effect that the imbalance of rotating disk both sides stress causes；
(9) one of the present utility model fixed double leval jib gantry crane, rolling pulley can tackle the operating mode bar of complexity
Part, service life is long, and pulley minimum diameter is not less than 25 times of wirerope diameter, angle ＜ of deflection during steel wire rope turnover pulley
5 °, to ensure the concordance of steel wire rope force direction, it is to avoid produce and turn round to power impact lifting and luffing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Label declaration in schematic diagram: 1, fixing base station；2, cylinder；3, turntable；4, head tree；5, balancing stand；6, Dalian
Bar；7, small rod；8, conical mount；10, drivers' cab；11, barb；12, hook assembly；13, surely restrict device；14, weight；15, anti-rotation
Joint；16, the gimbal lever；31, counterweight；91, amplitude-changing drum；92, variable-amplitude steel wire rope；93, luffing pulley A；94, luffing pulley B.
Detailed description of the invention
For further appreciating that content of the present utility model, in conjunction with accompanying drawing, this utility model is described in detail.
Embodiment 1
The one fixed double leval jib gantry crane of the present embodiment, including the fixing base station 1 being sequentially connected with from bottom to up,
Cylinder 2, turntable 3 and head tree 4, also include jib lubbing mechanism and 2 big connecting rods 6 and the double leval jib framework of 2 small rod 7 compositions；
Wherein: described head tree 4 is perpendicularly fixed at turntable 4 center；Turntable 3 radial line is fixed in one end of described 2 big connecting rods 6
Both sides, one end of the other end and 2 small rods 7 is connected by rotating shaft, and the other end of 2 small rods 7 gradually closes up and is connected to one
Act the top forming arm Display Rack；Described jib lubbing mechanism is arranged on turntable 3 in the machine room arranged.
The one fixed double leval jib gantry crane of the present embodiment, jib lubbing mechanism is capable of the effect of lifting amplitude of variation
Really, only need to increase luffing assembly pulley and steel wire rope, cost of manufacture is low, and the arm display rack structure of double leval jib framework is stable, does not allows
The most affected by wind and swing.
Embodiment 2
The one fixed double leval jib gantry crane of the present embodiment, its basic structure is with embodiment 2, and improvements exist
In: as it is shown in figure 1, jib lubbing mechanism includes amplitude-changing drum 91, luffing pulley A93 and variable-amplitude steel wire rope 92；Variable-amplitude steel wire rope 92
One end is fixed on amplitude-changing drum 91, and the other end is fixed on the head of arm Display Rack after walking around luffing pulley A93；Described amplitude-changing drum
91 be fixed on machine room in three simply coordinate, i.e. achieve the change of lifting amplitude, simple to operate, it is possible to coordinate lifting height
Change.Described jib lubbing mechanism also includes the luffing pulley B94 being fixed on the head of arm Display Rack；The other end of variable-amplitude steel wire rope 92 depends on
Secondary walk around luffing pulley A93 and luffing pulley B94 after be fixed on head tree 7, the sister block structure of luffing assembly pulley, play province
The effect of power.Being embedded with at least 4 barbs 11 in fixing base station 1, shank is fixed connected by flange and bolt and cylinder 2, with
Ensure stability during crane load.
Embodiment 3
The one fixed double leval jib gantry crane of the present embodiment, its basic structure is with embodiment 2, and improvements exist
In: connect between 2 big connecting rods 6 and have the gimbal lever 16, the gimbal lever 16 is fixed with the balancing stand 5 of external-open, the free end of balancing stand 5
Bearing of trend and arm Display Rack in opposite direction, the gimbal lever and balance erect the effect that counter-jib Display Rack bears a heavy burden, alleviate due to
Bear a heavy burden and produce the de-stabilising effect that balance causes in arm Display Rack both sides.The exterior wall of machine room arranges drivers' cab 10, and the operator seat visual field is towards arm
Display Rack, the most properly, the Space in the visual field is good；It is provided with wiper on the transparent part for front sight glass of drivers' cab 10, can allow driver
Reply rainy weather, also can realize lifting work when rainy.The bottom side of arm Display Rack is provided with steady rope device 13, by steel wire rope and
Weight 14 connects, and can prevent weight from being swung by wind effect；On the steel wire rope of the hook assembly 12 of heavy burden weight 14, connection has anti-
Adaptor 15, it is possible to avoid steel wire rope to be affected by weight and rotate excessively reduction of service life.
Embodiment 4
The one fixed double leval jib gantry crane of the present embodiment, its basic structure is with embodiment 3, and improvements exist
In: the bottom of turntable 4 is fixed with counterweight 31, at the opposite side that arm Display Rack is relative, alleviates the imbalance of rotating disk both sides stress
The harmful effect caused.All pulleys are rolling pulley, can tackle the working condition of complexity, and pulley minimum diameter is not less than steel wire
25 times of rope diameter, angle ＜ 5 ° of deflection during steel wire rope turnover pulley, to ensure the concordance of steel wire rope force direction, it is to avoid
Produce to turn round and promote and luffing to power impact.
Schematically being described this utility model and embodiment thereof above, this description does not has restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, creating in the case of objective without departing from this utility model, designing without creative
The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (9)
1. a fixed double leval jib gantry crane, including the fixing base station (1) being sequentially connected with from bottom to up, cylinder (2), turns
Platform (3) and head tree (4), it is characterised in that: also include what jib lubbing mechanism and 2 big connecting rods (6) and 2 small rods (7) formed
Double leval jib framework；Wherein: described head tree (4) is perpendicularly fixed at turntable (4) center；One end of described 2 big connecting rods (6)
Being fixed on the both sides of turntable (3) radial line, one end of the other end and 2 small rods (7) is connected by rotating shaft, 2 small rods (7)
The other end gradually closes up the top being joined together to form arm Display Rack；Described jib lubbing mechanism is arranged at the upper machine arranged of turntable (3)
In room.
One the most according to claim 1 fixed double leval jib gantry crane, it is characterised in that: described jib lubbing mechanism bag
Include amplitude-changing drum (91), luffing pulley A (93) and variable-amplitude steel wire rope (92)；Luffing volume is fixed in one end of variable-amplitude steel wire rope (92)
On cylinder (91), the other end is fixed on the head of arm Display Rack after walking around luffing pulley A (93)；Described amplitude-changing drum (91) is fixed on machine
In room.
One the most according to claim 2 fixed double leval jib gantry crane, it is characterised in that: described jib lubbing mechanism is also
Luffing pulley B (94) including the head being fixed on arm Display Rack；The other end of variable-amplitude steel wire rope (92) walks around luffing pulley A successively
(93) and it is fixed on head tree (7) after luffing pulley B (94).
One the most according to claim 2 fixed double leval jib gantry crane, it is characterised in that: described fixing base station
(1) being embedded with at least 4 barbs (11) in, shank connects by flange and bolt and cylinder (2) are fixing.
One the most according to claim 4 fixed double leval jib gantry crane, it is characterised in that: described 2 big connecting rods
(6) connect between and have the gimbal lever (16), the gimbal lever (16) is fixed with the balancing stand (5) of external-open, the free end of balancing stand (5)
Bearing of trend and arm Display Rack in opposite direction.
One the most according to claim 4 fixed double leval jib gantry crane, it is characterised in that: the exterior wall of described machine room
Arranging drivers' cab (10), the operator seat visual field is towards arm Display Rack；It is provided with wiper on the transparent part for front sight glass of drivers' cab (10).
One the most according to claim 6 fixed double leval jib gantry crane, it is characterised in that: the end of described arm Display Rack
Side is provided with device of surely restricting (13), is connected by steel wire rope and weight (14)；The steel wire of the hook assembly (12) of heavy burden weight (14)
On rope, connection has swirel (15).
One the most according to claim 6 fixed double leval jib gantry crane, it is characterised in that: described turntable (4)
Bottom is fixed with counterweight (31), at the opposite side that arm Display Rack is relative.
One the most according to claim 6 fixed double leval jib gantry crane, it is characterised in that: all pulleys are rolling
Pulley, pulley minimum diameter is not less than 25 times of wirerope diameter, angle ＜ 5 ° of deflection during steel wire rope turnover pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689830.4U CN205740058U (en) | 2016-06-30 | 2016-06-30 | A kind of fixed double leval jib gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689830.4U CN205740058U (en) | 2016-06-30 | 2016-06-30 | A kind of fixed double leval jib gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205740058U true CN205740058U (en) | 2016-11-30 |
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ID=57379723
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620689830.4U Expired - Fee Related CN205740058U (en) | 2016-06-30 | 2016-06-30 | A kind of fixed double leval jib gantry crane |
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| Country | Link |
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| CN (1) | CN205740058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946171A (en) * | 2017-05-11 | 2017-07-14 | 中船第九设计研究院工程有限公司 | A kind of single-cantilever-crane gantry crane counterweight self-regulation structure |
| CN115849212A (en) * | 2022-12-26 | 2023-03-28 | 杭州华新机电工程有限公司 | Fixed gantry crane |
-
2016
- 2016-06-30 CN CN201620689830.4U patent/CN205740058U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946171A (en) * | 2017-05-11 | 2017-07-14 | 中船第九设计研究院工程有限公司 | A kind of single-cantilever-crane gantry crane counterweight self-regulation structure |
| CN115849212A (en) * | 2022-12-26 | 2023-03-28 | 杭州华新机电工程有限公司 | Fixed gantry crane |
| CN115849212B (en) * | 2022-12-26 | 2024-09-20 | 杭州华新机电工程有限公司 | Fixed gantry crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |