CN109534190A - Cantilever crane and crane - Google Patents
Cantilever crane and crane Download PDFInfo
- Publication number
- CN109534190A CN109534190A CN201811409072.6A CN201811409072A CN109534190A CN 109534190 A CN109534190 A CN 109534190A CN 201811409072 A CN201811409072 A CN 201811409072A CN 109534190 A CN109534190 A CN 109534190A
- Authority
- CN
- China
- Prior art keywords
- stair
- ontology
- cantilever crane
- locating part
- regulating part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The present invention relates to crane technical fields, more particularly to a kind of cantilever crane and crane.The cantilever crane includes cantilever crane ontology and stair, the cantilever crane ontology includes horizontally extending and setting up and down upper main chord and lower main chord, stair include stair ontology, regulating part and locating part, the top of stair ontology is set as the first hinged end and bottom includes articulated section, first hinged end and upper main chord are hinged, one end of regulating part and articulated section are hinged, lower main chord is connect with locating part, regulating part is connected to locating part and is configured to adjustable along the length direction of regulating part and locating part activity, regulating part is configured to that stair ontology is driven to move under external force, so that the idle state that stair ontology is able to maintain the working condition in articulated section far from locating part or is maintained at articulated section adjacent to locating part.For the cantilever crane by setting regulating part and locating part so that stair ontology is able to maintain working condition or keeps idle state, rotation is adjustable, convenient and efficient.
Description
Technical field
The present invention relates to crane technical fields, more particularly to a kind of cantilever crane and crane.
Background technique
Crawler crane refers to the flow-type whipping crane with crawler belt running gear, mainly by power device (hair
Motivation), transmission device (main clutch, retarder, reversing mechanism etc.), swing mechanism, traveling mechanism (crawler belt, mobile holder),
Hoisting mechanism (suspension hook and sunpender elevating mechanism), operating system, equipment (sunpender, hoisting sheave etc.) and electrical equipment etc.
Composition.
Wherein, the purlin cantilever crane of crane is the crane arm that cancelled structure part is welded by fashioned iron, tubing, often by several arms
Section is linked together by bolt or pin shaft to reach required length.In operation field, when operating personnel's upper and lower cantilever crane, needs to match
Standby dedicated stair.It is to be transported by flat car in the form laid flat in view of cantilever crane, therefore, stair cannot be arranged in cantilever crane
Outside, be usually fixed between the ipsilateral upper and lower chord member for being connected to cantilever crane and with ground degree in a vertical angle, operating personnel
It is then that the stair being arranged along the vertical direction climb progress operation up and down.But as market is to the need of large-tonnage crawler crane
It asks and is growing, also require crawler crane that can have bigger elevating capacity, and being held as the main of crawler crane
Mount components truss arm width and height dimension are also correspondingly increased, and the difficulty for thereby resulting in upper and lower cantilever crane also increases therewith, are held
Easily cause safety accident.
Summary of the invention
It is of the existing technology because stair are fixedly connected on the ipsilateral upper and lower of cantilever crane the purpose of the invention is to overcome
It is hidden to there is safety in the stair that climbing is vertically arranged between chord member and with operating personnel caused by the degree in a vertical angle of ground
The problem of suffering from, a kind of cantilever crane and crane are provided, which is adjusted by setting regulating part according to the mobile adjusting of locating part
The extending direction of part itself and stair ontology so that stair ontology be able to maintain far from the stopper section working condition or
Person is maintained at the idle state of the neighbouring stopper section, and rotation is adjustable, convenient and efficient.
To achieve the goals above, one aspect of the present invention provides a kind of cantilever crane, and the cantilever crane includes cantilever crane ontology and stair,
The cantilever crane ontology includes that horizontally extending and setting up and down upper main chord and lower main chord, the stair include building
The top of terraced ontology, regulating part and locating part, the stair ontology is set as the first hinged end and bottom includes articulated section, described
First hinged end and the upper main chord are hinged, and one end of the regulating part and the articulated section are hinged, the lower main chord with
The locating part connection, the regulating part are connected to the locating part and are configured to the length direction along the regulating part
Adjustable with the locating part activity, the regulating part is configured to that opposite fortune occurs with the locating part under external force
It moves and is rotated to drive the articulated section to carry out the movement close to or far from the locating part, in turn around one end of the regulating part
Drive the stair ontology to rotate around first hinged end so that the stair ontology be able to maintain it is remote in the articulated section
Working condition from the locating part is maintained at the articulated section adjacent to the idle state of the locating part.
Preferably, under the idle state, the regulating part is set as upwardly extending from one end of the regulating part.
Preferably, stair body bottom portion two sides are respectively set there are two the articulated section, and the locating part is set as using
In the lever connecting with the pedestal, the regulating part includes a pair of of adjustable plate that is parallel to each other and being oppositely arranged, the adjusting
Plate offers the through slot that the length direction of itself extends, through slot of the lever through a pair of adjustable plate, a pair of tune
The through slot of section plate is correspondingly arranged on stopper section, the stopper section of a pair of adjustable plate be configured to lever described in backstop so that
The stair ontology is able to maintain as the working condition.
Preferably, the through slot is set as strip grooves, and the stopper section is set as the notch being connected to the through slot, described to lack
The opening that mouth is connected to the through slot is set as the cross-sections match with the lever.
Preferably, the notch tilts relative to the through slot and extends, so that the lever can be self-locking in described lack
In mouthful.
Preferably, the adjustable plate includes multiple notches so that the stair ontology can be correspondingly arranged on it is more
A working condition.
Preferably, one end of the adjustable plate is articulated with the articulated section, and the stair include for connecting described in two
The connector of adjustable plate, the connector are connect with the other end of a pair of adjustable plate respectively.
Preferably, the stair ontology includes two staircase bars that are parallel to each other and being oppositely arranged, and the articulated section is formed
The staircase bar bottom and along towards the direction of the lever extend.
Preferably, the lower main chord be equipped with pedestal, the locating part and the pedestal are detachably connected, it is described on
Main chord is equipped with hinged seat, and first hinged end and the hinged seat are hinged, and the hinged seat and the pedestal are arranged at
Region between the upper main chord and two outer tangent lines of the lower main chord.
Second aspect of the present invention provides a kind of crane, which is characterized in that the crane includes the cantilever crane.
Through the above technical solutions, the present invention provides a kind of cantilever crane and crane, the cantilever crane is by setting regulating part come root
The extending direction of regulating part itself and stair ontology is adjusted according to the movement of locating part, so that stair ontology is able to maintain remote
Working condition from the stopper section or the idle state for being maintained at the neighbouring stopper section, rotate it is adjustable, it is convenient and efficient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that stair ontology is in running order provided by the invention；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Fig. 3 is the structural schematic diagram that a kind of stair ontology provided by the invention is in idle state；
Fig. 4 is the partial enlarged view of part B in Fig. 3；
Fig. 5 is the explosive view of Fig. 3；
Fig. 6 is the front view of Fig. 3；
Fig. 7 is a kind of structural schematic diagram of adjustable plate provided by the invention.
Description of symbols
1, upper main chord；11, hinged seat；2, lower main chord；21, pedestal；3, stair ontology；31, articulated section；32, first
Hinged end；4, adjustable plate；43, notch；44, through slot；5, lever；6, connector.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
One aspect of the present invention provides a kind of cantilever crane, and as shown in figs. 1-7, the cantilever crane includes cantilever crane ontology and stair, institute
It includes building that state cantilever crane ontology, which include horizontally extending and setting up and down upper main chord 1 and lower main chord 2, the stair,
Terraced ontology 3, regulating part and locating part, the top of the stair ontology 3 is set as the first hinged end 32 and bottom includes articulated section
31, first hinged end 32 and the upper main chord 1 are hinged, and one end of the regulating part and the articulated section 31 are hinged, institute
It states lower main chord 2 to connect with the locating part, the regulating part is connected to the locating part and is configured to along the tune
Save part length direction and the locating part activity it is adjustable, the regulating part be configured under external force with the limit
Position part occurs relative motion and is rotated around one end of the regulating part to drive the articulated section 31 to carry out close to or far from described
The movement of locating part, and then the stair ontology 3 is driven to rotate around first hinged end 32, so that the stair ontology 3
It is able to maintain the working condition in the articulated section 31 far from the locating part or is maintained at the articulated section 31 adjacent to described
The idle state of locating part.
Through the above technical solutions, the present invention provides a kind of cantilever crane and crane, the cantilever crane is by setting regulating part come root
The extending direction of regulating part itself and stair ontology is adjusted according to the movement of locating part, so that stair ontology is able to maintain remote
Working condition from the stopper section or the idle state for being maintained at the neighbouring stopper section, rotate it is adjustable, it is convenient and efficient.
According to the present invention, the set-up mode of regulating part is not particularly limited, as long as stair ontology can be made to be maintained at institute
It states working condition or is maintained at the idle state.For example, regulating part can be set to certainly under the idle state
One end of the regulating part extends downwardly, and when being in working condition by idle state switching, the other end of regulating part is needed around tune
One end of section part rotates upwards, and one end of regulating part can be separate along the length direction progress of regulating part relative to locating part
The movement of locating part；Preferably, under the idle state, the regulating part is set as prolonging upwards from one end of the regulating part
It stretches, when being in working condition by idle state switching, the other end of regulating part needs to be rotated down around one end of regulating part (along such as
It is shown in Fig. 3 to be rotated clockwise), and regulating part can be carried out relative to locating part along the length direction of regulating part it is remote
Movement from locating part, by above-mentioned set-up mode, advantageously ensure that the length of stair ontology more coincide up and down main chord it
Between distance, by the maximum length of stair ontology, reduce the stair ontology under working condition bottom end and lower main chord it
Between difference in height, climb convenient for operating personnel on stair ontology.
In order to simplify the structure of stair, locating part is set as lever structure, and regulating part is set as a pair of of adjustable plate.For example, described
3 two sides of the bottom of stair ontology are respectively set there are two the articulated section 31, and the locating part includes connecting with the lower main chord 2
Lever 5, the regulating part includes a pair of of adjustable plate 4 that is parallel to each other and being oppositely arranged, and the adjustable plate 4 offers itself
The through slot 44 that length direction extends, the lever 5 run through the through slot 44 of a pair of adjustable plate 4, and a pair of adjustable plate 4 leads to
Slot 44 is correspondingly arranged on stopper section, and the stopper section of a pair of adjustable plate 4 is configured to lever 5 described in backstop so that described
Stair ontology 3 is able to maintain as the working condition, facilitate it is adjustable, it is swift to operate, be easily installed.Wherein, adjustable plate 4 can be set
Various structures are set to, for example, adjustable plate 4 is set as elongate configuration as shown in Figure 7.In use, stair ontology is cut by idle state
It is changed to working condition, concrete operations are as follows: the bottom of artificial promptly stair ontology, and a back is applied to the bottom of stair ontology
Horizontal pull from lower main chord direction applies the horizontal pull of the left direction along Fig. 3 to the bottom of stair ontology, so that
The bottom of stair ontology and articulated section can around the first hinged end 32 along the synchronous upward rotation of clockwise direction shown in Fig. 3, into
And it drives one end of adjustable plate to be directed away from the direction movement of lever and makes the other end of adjusting rod simultaneously around adjustable plate
One end is rotated down along clockwise direction shown in Fig. 3, with being manually continuously applied the horizontal pull, the bottom of stair ontology by
Gradually far from lever, lever is constantly moved along the extending direction of through slot with the other end of continuous close adjusting rod relative to adjustable plate,
Until the stopper section of a pair of adjustable plate 4 is overlapped with lever, at this point, the extending direction of ontology by Fig. 3 with upper master
The central axis of the central axis of chord member and lower main chord is formed by the idle state that plane is almost consistent and is switched to Fig. 1
In be formed by the work that plane deviates biggish angle with the central axis of upper main chord and the central axis of lower main chord
State allows hand over to realize the stair ontology 3 and is maintained at the work of the articulated section 31 far from the locating part
State；Pair after to be used, a horizontal thrust contrary with the horizontal pull is applied to the bottom of stair ontology, i.e.,
The bottom of stair ontology applies the horizontal pull of the right direction along Fig. 1, so that stair ontology is by working condition as shown in Figure 1
It is switched to idle state as shown in Figure 3, is conducive to cantilever crane and carries out other operations, avoids stair ontology to other operations of cantilever crane
Have an adverse effect.
In order to simplify the processing technology of adjustable plate, cost of manufacture is reduced, the through slot 44 is set as strip grooves, the stopper section
It is set as the notch 43 being connected to the through slot 44, the opening that the notch 43 is connected to the through slot 44 is set as and the shelves
The cross-sections match of bar 5.Further, it is rectangular shape that through slot 44, which is also set as longitudinal section as shown in Figure 7,.In use, working as
Stair ontology is in working condition by idle state switching, is applied one by the bottom manually to stair ontology and is deviated from lower main chord
The horizontal pull in direction applies the horizontal pull of the left direction along Fig. 3 to the bottom of stair ontology, drive stair ontology
Bottom is gradually distance from lever, and lever is constantly moved along the extending direction of through slot with continuous close adjusting rod relative to adjustable plate
The other end, until the notch that lever slides into a pair of adjustable plate 4, so that realizing the stair ontology 3 can cut
It changes and is maintained at the working condition of the articulated section 31 far from the locating part；It is to be used to finish, manually to the bottom of stair ontology
Portion applies active force so that lever is detached from notch and moves along one end of the extending direction of through slot towards adjustable plate, until stair
Ontology is switched to idle state as shown in Figure 3 by working condition as shown in Figure 1, at this point, lever, which can be set to, to be resisted
Through slot on the inner sidewall of adjusting rod one end.
In order to enable stair ontology can remain more stably in working condition, while convenient under external force by building
Terraced ontology is switched to idle state by working condition, and the notch 43 is tilted relative to the through slot 44 to be extended, so that described
Lever 5 can be self-locking in the notch 43, so that stair ontology is not easy in its institute when operating personnel is in climbing upstairs ontology
What is be subject to moves under the action of horizontal component to the right as shown in Figure 2, safety and firmness.Specifically, notch can be opened
It is located at the upper side wall of through slot as shown in Figure 7 and extends along upper left side inclination as shown in Figure 7；Either, notch can open up
Extend in the lower wall and being tilted along lower left as shown in Figure 7 of through slot as shown in Figure 7.After to be used, need artificial
The horizontal pull of right direction to the bottom one of stair ontology along Fig. 2, so that stair body bottom portion departs slightly from lever, with
It drives lever to be slightly closer to the other end of adjusting rod along the extending direction of through slot relative to adjustable plate and remove notch, also just makes
Lever can come back in through slot structure, then, apply the left direction along Fig. 3 by the bottom manually to stair ontology
Horizontal pull drives the bottom of stair ontology constantly close to lever, until stair ontology is switched by working condition as shown in Figure 1
For idle state as shown in Figure 3.
Further, the adjustable plate 4 includes multiple notches 43, so that the stair ontology can be correspondingly arranged
There are multiple working conditions, stair ontology is enabled to be adjusted to suitable work shape according to the use demand of operating personnel
State improves the usage experience of user.
In order to reinforce a pair of of adjustable plate, stair further include connector.For example, one end of the adjustable plate 4 be articulated with it is described
Articulated section 31, the stair include the connector 6 for connecting two adjustable plates 4, the connector 6 respectively with a pair of of institute
State the other end connection of adjustable plate 4.Wherein, connector 6 can be set to various Rational structures, for example, bolt and nut component, a pair of
The other end of adjustable plate is correspondingly arranged on through-hole, and the through-hole of screw bolt passes a pair of adjustable plate is simultaneously fixed by nut, favorably
It remains and moves synchronously in a pair of of adjustable plate.
Further, the stair ontology 3 includes two staircase bars that are parallel to each other and being oppositely arranged, the articulated section 31
It is formed in the bottom of the staircase bar and extends along towards the direction of the lever 5, so that spare time of the adjustable plate in stair ontology
Setting can even be fit together with the way of contact as shown in Figure 3, be efficiently avoided with stair body contacts under state
Stair ontology influences other operations of cantilever crane in an idle state.
Further, the lower main chord 2 is equipped with pedestal 21, and the locating part removably connects with the pedestal 21
It connects, the upper main chord 1 is equipped with hinged seat 11, and first hinged end 32 and the hinged seat 11 are hinged, the hinged seat 11
And the pedestal 21 is arranged at the region between the upper main chord 1 and two outer tangent lines of the lower main chord 2, is conducive to
Further avoiding stair ontology in an idle state influences other operations of cantilever crane.Wherein, shown in Fig. 1 that two outer tangent lines refer to
Tangent line a and tangent line b.
A kind of crane is provided according to a second aspect of the present invention, and the crane includes the cantilever crane.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
It, can be with various simple variants of the technical solution of the present invention are made, in order to avoid unnecessary in the range of the technology design of invention
It repeats, the invention will not be further described in various possible combinations.But these simple variants and combination equally should be considered as
Content disclosed in this invention, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of cantilever crane, which is characterized in that the cantilever crane includes cantilever crane ontology and stair, and the cantilever crane ontology includes along level side
To extending and upper main chord (1) and lower main chord (2) setting up and down, the stair include stair ontology (3), regulating part and
The top of locating part, the stair ontology (3) is set as the first hinged end (32) and bottom includes articulated section (31), and described first
Hinged end (32) and the upper main chord (1) hingedly, one end of the regulating part and the articulated section (31) hingedly, the lower master
Chord member (2) is connect with the locating part, and the regulating part is connected to the locating part and is configured to along the regulating part
Length direction and the locating part activity it is adjustable, the regulating part be configured under external force with the locating part
Relative motion occurs and is rotated around one end of the regulating part to drive the articulated section (31) to carry out close to or far from the limit
The movement of position part, and then the stair ontology (3) is driven to rotate around first hinged end (32), so that the stair ontology
(3) it is able to maintain the working condition in the articulated section (31) far from the locating part or is maintained at the articulated section (31) neighbour
The idle state of the nearly locating part.
2. cantilever crane according to claim 1, which is characterized in that under the idle state, the regulating part is set as certainly
One end of the regulating part upwardly extends.
3. cantilever crane according to claim 2, which is characterized in that stair ontology (3) two sides of the bottom are respectively arranged with two
A articulated section (31), the locating part include the lever (5) connecting with the lower main chord (2), and the regulating part includes
A pair of of adjustable plate (4) that is parallel to each other and being oppositely arranged, the adjustable plate (4) offer the through slot that the length direction of itself extends
(44), the lever (5) runs through the through slot (44) of a pair of adjustable plate (4), and the through slot (44) of a pair of adjustable plate (4) is right
It should be provided with stopper section, the stopper section of a pair of adjustable plate (4) is configured to lever described in backstop (5) so that the building
Terraced ontology (3) is able to maintain as the working condition.
4. cantilever crane according to claim 3, which is characterized in that the through slot (44) is set as strip grooves, and the stopper section is set
Be set to the notch (43) being connected to the through slot (44), the opening that the notch (43) is connected to the through slot (44) be set as with
The cross-sections match of the lever (5).
5. cantilever crane according to claim 4, which is characterized in that the notch (43) is prolonged relative to the through slot (44) inclination
It stretches, so that the lever (5) can be self-locking in the notch (43).
6. cantilever crane according to claim 5, which is characterized in that the adjustable plate (4) includes multiple notches (43), with
The stair ontology is enabled to be correspondingly arranged on multiple working conditions.
7. the cantilever crane according to any one of claim 3-6, which is characterized in that one end of the adjustable plate (4) is hinged
In the articulated section (31), the stair include the connector (6) for connecting two adjustable plates (4), the connector
(6) it is connect respectively with the other end of a pair of adjustable plate (4).
8. cantilever crane according to claim 7, which is characterized in that the stair ontology (3) includes parallel to each other and sets relatively
The two staircase bars set, the articulated section (31) are formed in the bottom of the staircase bar and along the sides towards the lever (5)
To extension.
9. cantilever crane according to claim 1, which is characterized in that the lower main chord (2) is equipped with pedestal (21), the limit
Position part and the pedestal (21) are detachably connected, and the upper main chord (1) is equipped with hinged seat (11), first hinged end
(32) hingedly with the hinged seat (11), the hinged seat (11) and the pedestal (21) are arranged at the upper main chord (1)
Region between two outer tangent lines of the lower main chord (2).
10. a kind of crane, which is characterized in that the crane includes arm described in any one of -9 according to claim 1
Frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409072.6A CN109534190A (en) | 2018-11-23 | 2018-11-23 | Cantilever crane and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409072.6A CN109534190A (en) | 2018-11-23 | 2018-11-23 | Cantilever crane and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534190A true CN109534190A (en) | 2019-03-29 |
Family
ID=65849815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811409072.6A Pending CN109534190A (en) | 2018-11-23 | 2018-11-23 | Cantilever crane and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109534190A (en) |
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| CN207142694U (en) * | 2017-07-27 | 2018-03-27 | 贺欢 | The complete split type spelling tower crane frame for being readily transported and stacking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201901541U (en) * | 2010-11-17 | 2011-07-20 | 昆山三一机械有限公司 | High-safety ladder stand for arm support |
| CN103407910A (en) * | 2013-08-23 | 2013-11-27 | 徐州重型机械有限公司 | Crane and boom system thereof |
| CN203770330U (en) * | 2014-01-02 | 2014-08-13 | 杨云 | Self-locking telescopic rod |
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| CN207332737U (en) * | 2017-10-09 | 2018-05-08 | 贵州电网有限责任公司 | A kind of adjustable cat ladder |
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Application publication date: 20190329 |
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| RJ01 | Rejection of invention patent application after publication |